/* roulang page: index */
:root {
            --color-primary: #c5a47e;
            --color-primary-hover: #b08d5c;
            --color-primary-light: #f0e6d8;
            --color-dark: #111111;
            --color-dark-secondary: #1c1c1c;
            --color-dark-tertiary: #2a2a2a;
            --color-light: #ffffff;
            --color-off-white: #fafaf8;
            --color-cream: #f5f2ec;
            --color-gray-100: #f7f6f4;
            --color-gray-200: #e8e5df;
            --color-gray-300: #d4d0c9;
            --color-gray-400: #a8a49d;
            --color-gray-500: #7a7670;
            --color-gray-600: #5c5854;
            --color-gray-700: #3d3a37;
            --color-text: #1a1a1a;
            --color-text-secondary: #555555;
            --color-text-muted: #888888;
            --color-text-light: #cccccc;
            --color-success: #4a7c59;
            --color-border-light: #e8e5e0;
            --color-border-dark: #3a3a3a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --max-width: 1280px;
            --header-height: 72px;
            --section-gap: 88px;
            --section-gap-sm: 56px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-light);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
        }

        input,
        button {
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(17, 17, 17, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-base);
            height: var(--header-height);
        }
        .site-header.scrolled {
            background: rgba(17, 17, 17, 0.98);
            box-shadow: var(--shadow-lg);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), #d4b88c);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #111;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-light);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-primary);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            border-radius: var(--radius-sm);
            transition: var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--color-primary);
            background: rgba(197, 164, 126, 0.08);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        /* Mega Menu Panel */
        .nav-mega-trigger {
            position: relative;
        }
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #1a1a1a;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 20px;
            min-width: 420px;
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            box-shadow: var(--shadow-xl);
            z-index: 1001;
        }
        .nav-mega-trigger:hover .mega-panel {
            display: grid;
        }
        .mega-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition-fast);
            cursor: pointer;
            color: #ddd;
            font-size: 0.88rem;
            font-weight: 500;
        }
        .mega-card:hover {
            background: rgba(197, 164, 126, 0.12);
            color: var(--color-primary);
        }
        .mega-card-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(197, 164, 126, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 14px;
            color: var(--color-primary);
        }

        .header-cta {
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 20px;
            font-size: 0.88rem;
            font-weight: 600;
            color: #111;
            background: var(--color-primary);
            border-radius: 50px;
            transition: var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--color-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 18px rgba(197, 164, 126, 0.35);
        }

        /* Hamburger */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1002;
            background: none;
            border: none;
        }
        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-light);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-dark);
            overflow: hidden;
            padding-top: var(--header-height);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.4;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(17, 17, 17, 0.7) 0%, rgba(17, 17, 17, 0.85) 40%, rgba(17, 17, 17, 0.95) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 40px 24px;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 18px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            border: 1px solid rgba(197, 164, 126, 0.4);
            border-radius: 50px;
            margin-bottom: 24px;
            text-transform: uppercase;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(2.8rem, 5.5vw, 4.2rem);
            font-weight: 700;
            color: var(--color-light);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }
        .hero-title em {
            font-style: normal;
            color: var(--color-primary);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: #c8c8c8;
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto 36px;
            letter-spacing: 0.02em;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            color: #111;
            background: var(--color-primary);
            border-radius: 50px;
            transition: var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-hero-primary:hover {
            background: #d4b88c;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(197, 164, 126, 0.4);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-light);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            border-radius: 50px;
            transition: var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-hero-outline:hover {
            border-color: var(--color-light);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            animation: bounceDown 2s infinite;
            color: var(--color-text-light);
            font-size: 1.2rem;
            opacity: 0.7;
        }
        @keyframes bounceDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(12px);
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-dark {
            background: var(--color-dark-secondary);
            color: var(--color-light);
        }
        .section-cream {
            background: var(--color-cream);
        }
        .section-off-white {
            background: var(--color-off-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            color: inherit;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-dark .section-subtitle {
            color: #b0b0b0;
        }

        /* ========== BRAND MATRIX ========== */
        .brand-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 20px;
        }
        .brand-card {
            background: var(--color-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            cursor: pointer;
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .brand-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }
        .brand-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .brand-card-img .brand-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 12px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }
        .brand-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .brand-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
        }
        .brand-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            flex: 1;
        }
        .brand-card-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition-fast);
        }
        .brand-card-link:hover {
            gap: 8px;
            color: var(--color-primary-hover);
        }

        /* ========== DATA DASHBOARD ========== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            background: var(--color-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .data-number {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .data-number sup {
            font-size: 1.4rem;
            font-weight: 600;
        }
        .data-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .data-trend {
            display: inline-block;
            margin-top: 8px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 50px;
        }
        .data-trend.up {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .data-trend.stable {
            background: #fff8e1;
            color: #f57f17;
        }

        /* Progress bars */
        .progress-group {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .progress-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .progress-label {
            width: 90px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            flex-shrink: 0;
            text-align: right;
        }
        .progress-bar-wrap {
            flex: 1;
            height: 8px;
            background: #e8e5e0;
            border-radius: 4px;
            overflow: hidden;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--color-primary), #d4b88c);
            transition: width 1.2s ease;
        }
        .progress-val {
            width: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        /* ========== CARDS ========== */
        .cards-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cards-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .info-card {
            background: var(--color-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .info-card-img {
            height: 220px;
            background-size: cover;
            background-position: center;
        }
        .info-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .info-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
        }
        .info-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .info-card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 14px;
        }
        .tag-chip {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--color-primary-light);
            color: #7a5c3a;
            letter-spacing: 0.03em;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 24px;
            background: var(--color-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }
        .news-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-content p {
            font-size: 0.84rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
            text-align: right;
            min-width: 70px;
            padding-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-light);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition-fast);
        }
        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
            background: none;
            border: none;
            font-family: inherit;
            letter-spacing: 0.01em;
            transition: var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: var(--transition-base);
            color: var(--color-text-secondary);
        }
        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #111;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: var(--color-dark);
            text-align: center;
            padding: 72px 0;
            overflow: hidden;
        }
        .cta-bg-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(197, 164, 126, 0.08) 0%, transparent 70%);
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--color-light);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: #b8b8b8;
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 36px;
            font-size: 1.05rem;
            font-weight: 600;
            color: #111;
            background: var(--color-primary);
            border-radius: 50px;
            transition: var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-cta-lg:hover {
            background: #d4b88c;
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(197, 164, 126, 0.45);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: #b0b0b0;
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-light);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #999;
            transition: var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-light);
            margin-bottom: 10px;
        }
        .footer-brand span {
            color: var(--color-primary);
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #888;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .footer-disclaimer {
            font-size: 0.78rem;
            color: #777;
            line-height: 1.5;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }

        /* ========== SERVICE ENTRY CARDS ========== */
        .service-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .service-entry-card {
            background: var(--color-light);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .service-entry-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--color-primary);
        }
        .service-entry-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: #7a5c3a;
            transition: var(--transition-base);
        }
        .service-entry-card:hover .service-entry-icon {
            background: var(--color-primary);
            color: #111;
        }
        .service-entry-card h3 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .service-entry-card p {
            font-size: 0.84rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ========== TWO COLUMN BLOCK ========== */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .two-col-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 420px;
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-lg);
        }
        .two-col-text h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 2.5vw, 2rem);
            font-weight: 700;
            color: inherit;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .two-col-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .two-col-text .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: 50px;
            transition: var(--transition-base);
            margin-top: 8px;
        }
        .two-col-text .btn-outline:hover {
            background: var(--color-primary);
            color: #111;
        }

        /* ========== MOBILE SECTION ========== */
        .mobile-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .mobile-mockup {
            text-align: center;
        }
        .mobile-mockup-inner {
            width: 260px;
            height: 480px;
            background: #1a1a1a;
            border-radius: 36px;
            margin: 0 auto;
            border: 3px solid #333;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
        }
        .mobile-mockup-screen {
            position: absolute;
            inset: 8px;
            border-radius: 28px;
            background: url('assets/images/coverpic/cover-9.webp') center/cover no-repeat;
            display: flex;
            align-items: flex-end;
            justify-content: center;
            padding-bottom: 20px;
        }
        .mobile-mockup-badge {
            background: rgba(0, 0, 0, 0.8);
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        .mobile-features {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .mobile-feature-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .mobile-feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
            color: #7a5c3a;
        }
        .mobile-feature-text h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-light);
            margin-bottom: 4px;
        }
        .mobile-feature-text p {
            font-size: 0.85rem;
            color: #b0b0b0;
            line-height: 1.5;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-2 {
                grid-template-columns: 1fr;
            }
            .two-col {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .two-col-image {
                height: 300px;
                order: -1;
            }
            .mobile-showcase {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .brand-grid {
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            }
            .nav-main {
                gap: 2px;
            }
            .nav-link {
                padding: 10px 12px;
                font-size: 0.82rem;
            }
            .mega-panel {
                min-width: 340px;
                padding: 14px;
                gap: 8px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 56px;
                --section-gap-sm: 36px;
                --header-height: 60px;
            }
            .hamburger-btn {
                display: flex;
            }
            .nav-main {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #1a1a1a;
                flex-direction: column;
                padding: 80px 24px 32px;
                gap: 4px;
                transition: right 0.35s ease;
                z-index: 1001;
                overflow-y: auto;
                border-left: 1px solid rgba(255, 255, 255, 0.08);
            }
            .nav-main.open {
                right: 0;
            }
            .nav-link {
                width: 100%;
                padding: 14px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: rgba(197, 164, 126, 0.15);
                border-left: 3px solid var(--color-primary);
            }
            .mega-panel {
                position: static;
                transform: none;
                min-width: auto;
                display: none;
                grid-template-columns: 1fr;
                background: rgba(255, 255, 255, 0.02);
                border: none;
                padding: 8px;
                margin-top: 4px;
                box-shadow: none;
            }
            .nav-mega-trigger.active .mega-panel {
                display: grid;
            }
            .header-cta {
                display: none;
            }
            .header-cta-mobile {
                display: block;
                margin-top: 16px;
            }
            .header-cta-mobile .btn-nav-cta {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-number {
                font-size: 2.2rem;
            }
            .service-entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .cards-grid-3 {
                grid-template-columns: 1fr;
            }
            .brand-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
            .news-date {
                text-align: left;
            }
            .two-col-image {
                height: 240px;
            }
            .mobile-mockup-inner {
                width: 200px;
                height: 380px;
                border-radius: 28px;
            }
            .mobile-mockup-screen {
                border-radius: 22px;
                inset: 6px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .progress-label {
                width: 65px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .service-entry-grid {
                grid-template-columns: 1fr;
            }
            .brand-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .brand-card-img {
                height: 130px;
            }
            .brand-card-body {
                padding: 14px;
            }
            .brand-card-body h3 {
                font-size: 1rem;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .two-col-image {
                height: 200px;
            }
            .mobile-mockup-inner {
                width: 170px;
                height: 330px;
                border-radius: 24px;
            }
            .mobile-mockup-screen {
                border-radius: 18px;
                inset: 5px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* Mobile overlay */
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
        }
        .mobile-overlay.show {
            display: block;
        }

/* roulang page: category3 */
:root {
            --color-primary: #8B6914;
            --color-primary-light: #B8922E;
            --color-primary-dark: #6B4F10;
            --color-accent: #C8A052;
            --color-accent-soft: #E8D5A3;
            --color-bg: #FBF8F3;
            --color-bg-alt: #F3EDE0;
            --color-bg-dark: #1C1814;
            --color-bg-card: #FFFFFF;
            --color-text: #2C2418;
            --color-text-soft: #6B5F4F;
            --color-text-light: #9B8E7A;
            --color-border: #E0D5C0;
            --color-border-light: #F0E8D8;
            --color-shadow-sm: 0 1px 3px rgba(44, 36, 24, 0.06);
            --color-shadow-md: 0 4px 16px rgba(44, 36, 24, 0.10);
            --color-shadow-lg: 0 12px 40px rgba(44, 36, 24, 0.14);
            --color-shadow-xl: 0 20px 60px rgba(44, 36, 24, 0.18);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-full: 50%;
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1rem;
            --space-lg: 1.5rem;
            --space-xl: 2rem;
            --space-2xl: 3rem;
            --space-3xl: 4rem;
            --space-4xl: 5rem;
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--space-md);
            }
            html {
                font-size: 15px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--color-shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--color-shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--space-lg);
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--color-text);
            transition: opacity var(--transition-fast);
        }
        .logo-wrap:hover {
            opacity: 0.82;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--color-text);
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-primary);
            font-weight: 400;
            margin-left: 2px;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(139, 105, 20, 0.05);
        }
        .nav-link.active {
            color: var(--color-primary-dark);
            font-weight: 600;
            background: rgba(139, 105, 20, 0.08);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .nav-mega-trigger {
            position: relative;
        }
        .nav-mega-trigger>.nav-link {
            cursor: pointer;
        }
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(6px);
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--color-shadow-xl);
            padding: var(--space-lg);
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
            min-width: 380px;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            z-index: 999;
        }
        .nav-mega-trigger:hover .mega-panel,
        .nav-mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        .mega-card {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            padding: var(--space-md);
            border-radius: var(--radius-md);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            background: var(--color-bg);
        }
        .mega-card:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--color-shadow-sm);
        }
        .mega-card-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-xs);
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-dark);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.55rem 1.25rem;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .btn-nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--color-shadow-md);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: var(--color-shadow-sm);
        }
        .btn-nav-cta:focus-visible {
            outline: 2px solid var(--color-primary-dark);
            outline-offset: 3px;
        }

        .header-cta {
            flex-shrink: 0;
        }
        .header-cta-mobile {
            display: none;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--color-text);
            font-size: 1.4rem;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            color: var(--color-primary);
        }
        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-xs);
        }

        @media (max-width: 1024px) {
            .nav-main {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-lg);
                gap: 4px;
                overflow-y: auto;
                transform: translateX(100%);
                transition: transform var(--transition-smooth);
                z-index: 998;
                box-shadow: var(--color-shadow-xl);
            }
            .nav-main.open {
                transform: translateX(0);
            }
            .nav-link {
                padding: 0.75rem 1rem;
                font-size: 1rem;
                border-radius: var(--radius-md);
                justify-content: flex-start;
            }
            .nav-mega-trigger {
                position: static;
            }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                grid-template-columns: 1fr;
                min-width: auto;
                box-shadow: none;
                border: none;
                padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
                background: transparent;
                display: none;
            }
            .nav-mega-trigger.mega-open .mega-panel {
                display: grid;
            }
            .mega-card {
                background: var(--color-bg);
                border-radius: var(--radius-sm);
            }
            .header-cta {
                display: none;
            }
            .header-cta-mobile {
                display: block;
                padding: var(--space-md) 0;
            }
            .header-cta-mobile .btn-nav-cta {
                width: 100%;
                justify-content: center;
                padding: 0.75rem;
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
                gap: var(--space-sm);
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.15rem;
            }
            .logo-text {
                font-size: 1.05rem;
            }
            .nav-main {
                top: 56px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(28, 24, 20, 0.55) 0%,
                    rgba(28, 24, 20, 0.7) 40%,
                    rgba(28, 24, 20, 0.85) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 30% 30%, rgba(200, 160, 82, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(139, 105, 20, 0.12) 0%, transparent 55%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            padding: var(--space-4xl) 0;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-block;
            padding: 0.4rem 1rem;
            background: rgba(200, 160, 82, 0.2);
            border: 1px solid rgba(200, 160, 82, 0.4);
            color: var(--color-accent);
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: var(--space-lg);
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: var(--space-md);
            letter-spacing: 1px;
        }
        .hero-title span {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: var(--space-xl);
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            gap: var(--space-md);
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.75rem 1.8rem;
            background: var(--color-accent);
            color: #1C1814;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .btn-hero-primary:hover {
            background: #D4AE5C;
            box-shadow: 0 8px 28px rgba(200, 160, 82, 0.35);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.7rem 1.7rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 340px;
            }
            .hero-content {
                padding: var(--space-3xl) 0;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: var(--space-sm);
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: 300px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
        }

        /* Section共通 */
        .section {
            padding: var(--space-4xl) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-3xl);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-md);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-3xl) 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-header {
                margin-bottom: var(--space-2xl);
            }
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--space-xl);
        }
        .card-grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        @media (max-width: 1024px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .card-grid-2,
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* Card组件 */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--color-shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-img-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.3rem 0.75rem;
            background: rgba(28, 24, 20, 0.8);
            color: var(--color-accent);
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 1px;
            backdrop-filter: blur(6px);
        }
        .card-body {
            padding: var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-tag {
            font-size: 0.78rem;
            color: var(--color-primary);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: var(--space-xs);
        }
        .card-title {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-sm);
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin-bottom: var(--space-md);
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            margin-top: auto;
        }
        .card-link:hover {
            color: var(--color-primary-dark);
            gap: 10px;
        }
        .card-link i {
            transition: transform var(--transition-fast);
        }
        .card-link:hover i {
            transform: translateX(3px);
        }

        /* 工艺流程步骤 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--space-lg);
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-accent-soft), var(--color-accent), var(--color-accent-soft));
            border-radius: 1px;
            z-index: 0;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-step-num {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-full);
            background: #fff;
            border: 3px solid var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-md);
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            transition: all var(--transition-smooth);
            box-shadow: var(--color-shadow-sm);
        }
        .process-step:hover .process-step-num {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--color-shadow-md);
            transform: scale(1.08);
        }
        .process-step-label {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .process-step-desc {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--space-xl);
            }
            .process-steps::before {
                display: none;
            }
        }
        @media (max-width: 600px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .process-step-num {
                width: 56px;
                height: 56px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 400px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* Data Highlight */
        .data-highlights {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-xl);
            text-align: center;
        }
        .data-item {
            padding: var(--space-xl) var(--space-md);
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-smooth);
        }
        .data-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }
        .data-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: var(--space-xs);
        }
        .data-unit {
            font-size: 1rem;
            color: var(--color-accent);
            font-weight: 400;
        }
        .data-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .data-highlights {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-lg);
            }
        }
        @media (max-width: 520px) {
            .data-highlights {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .data-number {
                font-size: 2rem;
            }
        }

        /* 图文区块 */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-3xl);
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--color-shadow-lg);
        }
        .media-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .media-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            color: var(--color-text);
            line-height: 1.3;
        }
        .media-text p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.8;
            margin-bottom: var(--space-md);
        }
        .media-text .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.6rem 1.5rem;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: transparent;
        }
        .media-text .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--color-shadow-md);
        }

        @media (max-width: 768px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: var(--space-xl);
            }
            .media-text h3 {
                font-size: 1.35rem;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-md);
            overflow: hidden;
            background: var(--color-bg-card);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--color-shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-lg);
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            gap: var(--space-md);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-primary);
            transition: all var(--transition-smooth);
        }
        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 var(--space-lg) var(--space-lg);
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--space-4xl) 0;
            background: linear-gradient(160deg, var(--color-bg-dark) 0%, #2a2018 50%, #1C1814 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(200, 160, 82, 0.1) 0%, transparent 70%);
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--space-xl);
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .cta-btn-group {
            display: flex;
            gap: var(--space-md);
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            padding: 0.8rem 2rem;
            background: var(--color-accent);
            color: #1C1814;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-primary:hover {
            background: #D4AE5C;
            box-shadow: 0 10px 32px rgba(200, 160, 82, 0.4);
            transform: translateY(-2px);
        }
        .btn-cta-secondary {
            padding: 0.75rem 1.8rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-2px);
        }

        @media (max-width: 520px) {
            .cta-title {
                font-size: 1.5rem;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* Footer */
        .site-footer {
            background: #1A1713;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-4xl) 0 var(--space-xl);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: var(--space-2xl);
            margin-bottom: var(--space-2xl);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
        }
        .footer-brand span {
            color: var(--color-accent);
            font-weight: 400;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-disclaimer {
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
            padding-top: var(--space-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xl);
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }

        /* 精选作品画廊 */
        .gallery-mini {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: var(--space-md);
        }
        .gallery-mini-item {
            aspect-ratio: 1;
            border-radius: var(--radius-md);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
        }
        .gallery-mini-item:hover {
            transform: scale(1.05);
            border-color: var(--color-accent);
            box-shadow: var(--color-shadow-lg);
            z-index: 2;
        }
        .gallery-mini-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .gallery-mini {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--space-sm);
            }
        }
        @media (max-width: 400px) {
            .gallery-mini {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* 标签/徽章 */
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag {
            display: inline-block;
            padding: 0.35rem 0.9rem;
            background: var(--color-bg-alt);
            color: var(--color-text-soft);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            cursor: default;
        }
        .tag:hover {
            border-color: var(--color-border);
            color: var(--color-text);
            background: #fff;
            box-shadow: var(--color-shadow-sm);
        }
        .tag.active-tag {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .tag.active-tag:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        /* 工具提示与辅助 */
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }
        .mt-xl {
            margin-top: var(--space-xl);
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1a1a;
            --color-accent: #c9a96e;
            --color-accent-hover: #b8944f;
            --color-accent-light: #f0e6d3;
            --color-bg: #fafaf8;
            --color-bg-alt: #f5f2ec;
            --color-bg-dark: #1c1c1c;
            --color-text: #2d2d2d;
            --color-text-light: #6b6b6b;
            --color-text-muted: #999999;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece4;
            --color-white: #ffffff;
            --color-success: #5a8a6a;
            --color-warm: #d4a574;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.13);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Serif SC', Georgia, serif;
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1.25rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4.5rem;
            --space-3xl: 6rem;
            --nav-height: 68px;
            --max-width: 1200px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--space-md);
            }
            :root {
                --nav-height: 60px;
                --space-xl: 2rem;
                --space-2xl: 3rem;
                --space-3xl: 4rem;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--space-lg);
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--color-primary);
            transition: opacity var(--transition-fast);
        }

        .logo-wrap:hover {
            opacity: 0.82;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            color: var(--color-accent);
            background: var(--color-accent-light);
        }

        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-mega-trigger {
            position: relative;
        }

        .nav-mega-trigger .nav-link {
            cursor: pointer;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: var(--space-md);
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
            min-width: 360px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            z-index: 1001;
        }

        .nav-mega-trigger:hover .mega-panel,
        .mega-panel:hover {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .mega-card:hover {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }

        .mega-card-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .mega-card:hover .mega-card-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
            transform: translateY(-1px);
        }

        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(201, 169, 110, 0.2);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .header-cta-mobile {
            display: none;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1002;
            background: transparent;
            border: none;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 1024px) {
            .nav-main {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .mega-panel {
                min-width: 300px;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-main {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-white);
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-lg);
                gap: 4px;
                transform: translateX(100%);
                transition: transform var(--transition-base);
                z-index: 999;
                overflow-y: auto;
                box-shadow: var(--shadow-lg);
            }
            .nav-main.open {
                transform: translateX(0);
            }
            .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
                justify-content: flex-start;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: var(--color-accent-light);
            }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                grid-template-columns: 1fr;
                min-width: auto;
                box-shadow: none;
                border: none;
                padding: 4px 0 4px 16px;
                background: transparent;
                display: none;
            }
            .nav-mega-trigger.open-mobile .mega-panel {
                display: grid;
            }
            .mega-card {
                padding: 8px 12px;
            }
            .header-cta {
                display: none;
            }
            .header-cta-mobile {
                display: block;
                padding: 0 16px;
                margin-top: 8px;
            }
            .header-cta-mobile .btn-nav-cta {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .nav-mega-trigger .nav-link {
                cursor: pointer;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-dark);
            overflow: hidden;
        }

        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            opacity: 0.55;
        }

        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.65) 0%, rgba(26, 26, 26, 0.8) 100%);
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: var(--space-2xl) var(--space-lg);
            max-width: 700px;
        }

        .page-banner .banner-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(201, 169, 110, 0.3);
            border: 1px solid rgba(201, 169, 110, 0.5);
            border-radius: 20px;
            font-size: 0.82rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: var(--space-lg);
            font-weight: 500;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            margin-bottom: var(--space-md);
            font-family: var(--font-display);
            line-height: 1.25;
        }

        .page-banner .banner-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 520px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 320px;
            }
            .page-banner h1 {
                font-size: 2rem;
                letter-spacing: 1px;
            }
            .page-banner .banner-sub {
                font-size: 0.95rem;
            }
            .page-banner .banner-tag {
                font-size: 0.72rem;
                padding: 4px 12px;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-content {
                padding: var(--space-xl) var(--space-md);
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--space-3xl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--space-2xl);
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-header .section-eyebrow {
            display: inline-block;
            font-size: 0.82rem;
            letter-spacing: 2.5px;
            text-transform: uppercase;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: var(--space-sm);
            font-family: var(--font-display);
            line-height: 1.3;
            color: var(--color-primary);
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-desc {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .section-dark .section-header .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-2xl) 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .section-header {
                margin-bottom: var(--space-xl);
            }
        }

        /* ========== INTRO BLOCK ========== */
        .intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-2xl);
            align-items: center;
        }

        .intro-block .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
            height: 100%;
        }

        .intro-block .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .intro-block .intro-image:hover img {
            transform: scale(1.03);
        }

        .intro-block .intro-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
            font-family: var(--font-display);
        }

        .intro-block .intro-text p {
            font-size: 0.98rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: var(--space-sm);
        }

        .intro-block .intro-text .highlight-stat {
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-top: var(--space-md);
            font-family: var(--font-display);
        }

        .intro-block .intro-text .highlight-stat span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
        }

        @media (max-width: 768px) {
            .intro-block {
                grid-template-columns: 1fr;
                gap: var(--space-xl);
            }
            .intro-block .intro-image {
                aspect-ratio: 16/10;
                order: -1;
            }
            .intro-block .intro-text h3 {
                font-size: 1.35rem;
            }
        }

        /* ========== CRAFT CARDS GRID ========== */
        .craft-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .craft-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

        .craft-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }

        .craft-card .card-img-wrap {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .craft-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .craft-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .craft-card .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: rgba(26, 26, 26, 0.8);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 14px;
            letter-spacing: 1px;
            backdrop-filter: blur(4px);
        }

        .craft-card .card-body {
            padding: var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .craft-card .card-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .craft-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.65;
            flex: 1;
        }

        .craft-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: var(--space-md);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: gap var(--transition-fast);
        }

        .craft-card .card-body .card-link:hover {
            gap: 10px;
        }

        .craft-card .card-body .card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .craft-card .card-body .card-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 1024px) {
            .craft-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }
        }

        @media (max-width: 600px) {
            .craft-cards-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }

        /* ========== PHILOSOPHY BLOCK ========== */
        .philosophy-block {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: var(--space-2xl);
            align-items: center;
        }

        .philosophy-block .phil-image-area {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3/4;
            box-shadow: var(--shadow-lg);
        }

        .philosophy-block .phil-image-area img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .philosophy-block .phil-image-area .phil-accent {
            position: absolute;
            bottom: -20px;
            right: -20px;
            width: 100px;
            height: 100px;
            background: var(--color-accent);
            border-radius: 50%;
            opacity: 0.15;
            pointer-events: none;
        }

        .philosophy-block .phil-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
            font-family: var(--font-display);
        }

        .philosophy-block .phil-content p {
            font-size: 0.98rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: var(--space-md);
        }

        .philosophy-block .phil-pillars {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: var(--space-md);
        }

        .philosophy-block .phil-pillar {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--color-accent-light);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-primary);
            letter-spacing: 0.3px;
        }

        .philosophy-block .phil-pillar i {
            color: var(--color-accent);
            font-size: 0.7rem;
        }

        @media (max-width: 768px) {
            .philosophy-block {
                grid-template-columns: 1fr;
                gap: var(--space-xl);
            }
            .philosophy-block .phil-image-area {
                aspect-ratio: 16/10;
                order: -1;
            }
            .philosophy-block .phil-image-area .phil-accent {
                width: 60px;
                height: 60px;
                bottom: -10px;
                right: -10px;
            }
            .philosophy-block .phil-content h3 {
                font-size: 1.35rem;
            }
        }

        /* ========== PROCESS TIMELINE ========== */
        .process-timeline {
            display: flex;
            gap: 0;
            position: relative;
            counter-reset: step;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 40px;
            right: 40px;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }

        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step .step-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--color-white);
            border: 2px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-md);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent);
            counter-increment: step;
            position: relative;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

        .process-step .step-circle::after {
            content: counter(step);
        }

        .process-step:hover .step-circle {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: scale(1.05);
            background: var(--color-accent-light);
        }

        .process-step h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .process-step p {
            font-size: 0.84rem;
            color: var(--color-text-light);
            line-height: 1.55;
            max-width: 180px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .process-timeline {
                flex-direction: column;
                gap: var(--space-lg);
            }
            .process-timeline::before {
                top: 0;
                bottom: 0;
                left: 36px;
                right: auto;
                width: 2px;
                height: auto;
            }
            .process-step {
                display: flex;
                align-items: flex-start;
                gap: var(--space-md);
                text-align: left;
            }
            .process-step .step-circle {
                margin: 0;
                flex-shrink: 0;
                width: 56px;
                height: 56px;
                font-size: 1.1rem;
            }
            .process-step p {
                max-width: none;
            }
        }

        /* ========== STORY CARDS ========== */
        .story-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .story-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            gap: var(--space-lg);
            align-items: flex-start;
        }

        .story-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
            transform: translateY(-2px);
        }

        .story-card .story-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .story-card .story-info h5 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .story-card .story-info p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        .story-card .story-info .story-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 8px;
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .story-cards {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .story-card {
                flex-direction: column;
                gap: var(--space-md);
                padding: var(--space-lg);
            }
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-item.active {
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-lg);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
            gap: var(--space-md);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            font-size: 0.7rem;
            color: var(--color-text-muted);
        }

        .faq-item.active .faq-question .faq-icon {
            border-color: var(--color-accent);
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 var(--space-lg) var(--space-lg);
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.75;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-bg-dark);
            padding: var(--space-3xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        .cta-section h3 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
            font-family: var(--font-display);
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: var(--space-xl);
            line-height: 1.7;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
        }

        .btn-cta-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.45);
            transform: translateY(-2px);
        }

        .btn-cta-lg:active {
            transform: translateY(0);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            margin-left: 12px;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 768px) {
            .cta-section h3 {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: var(--space-2xl) 0;
            }
            .btn-outline-light {
                margin-left: 0;
                margin-top: 10px;
                display: inline-flex;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #ccc;
            padding: var(--space-2xl) 0 var(--space-lg);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.5px;
        }

        .footer-brand span {
            color: var(--color-accent);
            font-weight: 600;
        }

        .footer-desc {
            font-size: 0.84rem;
            color: #999;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #999;
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-disclaimer {
            text-align: center;
            font-size: 0.78rem;
            color: #777;
            padding-top: var(--space-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-muted {
            color: var(--color-text-light);
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }
        .mt-xl {
            margin-top: var(--space-xl);
        }
        .text-center {
            text-align: center;
        }

        /* ========== FOCUS VISIBLE ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ========== SCROLLBAR ========== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg-alt);
        }
        ::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #aaa;
        }

/* roulang page: category1 */
:root {
            --primary: #1a1a2e;
            --primary-light: #252540;
            --accent: #c9a96e;
            --accent-hover: #b8924f;
            --accent-light: #e8d5b0;
            --accent-subtle: #f7f2e8;
            --bg: #fafaf8;
            --bg-alt: #f3f0eb;
            --bg-warm: #fdfaf5;
            --white: #ffffff;
            --text: #2c2c2c;
            --text-strong: #1a1a1a;
            --text-light: #6b6b6b;
            --text-muted: #999999;
            --border: #e5e2dd;
            --border-light: #f0ede8;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50%;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1240px;
            --header-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            color: var(--text-strong);
            letter-spacing: -0.01em;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 100%;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
            text-decoration: none;
        }
        .logo-wrap:hover {
            opacity: 0.82;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--accent);
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            letter-spacing: 0;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .logo-wrap:hover .logo-icon {
            background: var(--primary-light);
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.22rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: baseline;
            gap: 3px;
        }
        .logo-text span {
            color: var(--accent);
            font-weight: 500;
            font-size: 0.85em;
        }

        /* Nav */
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            cursor: pointer;
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 26, 46, 0.04);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            background: var(--accent-subtle);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2.5px;
            background: var(--accent);
            border-radius: 3px;
        }

        /* Mega Menu */
        .nav-mega-trigger {
            position: relative;
        }
        .nav-mega-trigger>.nav-link {
            padding-right: 26px;
        }
        .nav-mega-trigger>.nav-link::before {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.7rem;
            color: var(--text-light);
            transition: transform var(--transition-fast);
        }
        .nav-mega-trigger:hover>.nav-link::before {
            transform: translateY(-50%) rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(6px);
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 16px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
            min-width: 340px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            z-index: 100;
        }
        .nav-mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: var(--text);
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            white-space: nowrap;
        }
        .mega-card:hover {
            background: var(--accent-subtle);
            color: var(--primary);
        }
        .mega-card-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-xs);
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .mega-card:hover .mega-card-icon {
            background: var(--accent);
            color: #fff;
        }

        /* Header CTA */
        .header-cta {
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            text-decoration: none;
            border: none;
            cursor: pointer;
        }
        .btn-nav-cta:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        /* Hamburger */
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 1.4rem;
            line-height: 1;
            transition: color var(--transition-fast);
        }
        .hamburger-btn:hover {
            color: var(--accent);
        }

        .header-cta-mobile {
            display: none;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: var(--primary);
            overflow: hidden;
        }
        .page-banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            opacity: 0.35;
            filter: brightness(0.7) saturate(0.6);
        }
        .page-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.75) 0%, rgba(26, 26, 46, 0.9) 100%);
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 0;
        }
        .page-banner-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            color: var(--accent-light);
            border: 1px solid rgba(201, 169, 110, 0.35);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            margin-bottom: 18px;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .page-banner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .page-banner-meta {
            display: flex;
            gap: 28px;
            justify-content: center;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .page-banner-meta span {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .page-banner-meta span i {
            color: var(--accent-light);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-warm {
            background: var(--bg-warm);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-dark .text-light {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-header .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            max-width: 520px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-badge {
            display: inline-block;
            background: var(--accent-subtle);
            color: var(--accent);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cards-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .brand-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .brand-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .brand-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--bg-alt);
            transition: transform var(--transition-slow);
        }
        .brand-card:hover .brand-card-img {
            transform: scale(1.04);
        }
        .brand-card-body {
            padding: 22px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .brand-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-subtle);
            padding: 3px 10px;
            border-radius: 14px;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .brand-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .brand-card .brand-origin {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .brand-card .brand-origin i {
            color: var(--accent);
            font-size: 0.7rem;
        }
        .brand-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }
        .brand-card-footer {
            margin-top: 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .brand-card-stat {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .brand-card-link {
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            text-decoration: none;
        }
        .brand-card-link:hover {
            gap: 8px;
            color: var(--accent-hover);
        }
        .brand-card-link i {
            font-size: 0.7rem;
        }

        /* ========== DATA HIGHLIGHTS ========== */
        .data-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .data-card .data-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-heading);
            line-height: 1;
            margin-bottom: 8px;
        }
        .data-card .data-label {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .data-card .data-icon {
            font-size: 1.6rem;
            color: var(--accent-light);
            margin-bottom: 10px;
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-row.reverse {
            direction: rtl;
        }
        .feature-row.reverse>* {
            direction: ltr;
        }
        .feature-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
            background: var(--bg-alt);
        }
        .feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .feature-img-wrap:hover img {
            transform: scale(1.03);
        }
        .feature-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .feature-text p {
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.5;
        }
        .feature-list li i {
            color: var(--accent);
            font-size: 0.85rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== TABLE STYLE LIST ========== */
        .info-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            background: var(--white);
        }
        .info-table th,
        .info-table td {
            padding: 14px 20px;
            text-align: left;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-light);
        }
        .info-table th {
            background: var(--bg-alt);
            font-weight: 600;
            color: var(--text-strong);
            font-size: 0.82rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .info-table tr:last-child td {
            border-bottom: none;
        }
        .info-table tbody tr:hover td {
            background: var(--accent-subtle);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            border: none;
            text-decoration: none;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-xs);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: var(--radius-xs);
        }

        /* ========== BADGE / TAG ========== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.76rem;
            font-weight: 600;
            border-radius: 16px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .tag-gold {
            background: var(--accent-subtle);
            color: var(--accent);
        }
        .tag-dark {
            background: rgba(26, 26, 46, 0.08);
            color: var(--primary);
        }
        .tag-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            color: var(--text-strong);
        }
        .faq-question i {
            font-size: 0.75rem;
            color: var(--accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            border-radius: var(--radius-xl);
            margin: 60px auto;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            max-width: 500px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
            font-size: 0.95rem;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-primary {
            background: var(--accent);
            font-size: 0.95rem;
        }
        .cta-section .btn-primary:hover {
            background: #d4b87a;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: #ccc;
            padding: 48px 0 28px;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: baseline;
            gap: 3px;
        }
        .footer-brand span {
            color: var(--accent-light);
            font-weight: 500;
            font-size: 0.85em;
        }
        .footer-desc {
            font-size: 0.84rem;
            color: #999;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: 0.84rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-disclaimer {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 0.78rem;
            color: #777;
            text-align: center;
            line-height: 1.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
                --section-gap-sm: 36px;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .data-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .nav-main {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.84rem;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .mega-panel {
                min-width: 280px;
                left: auto;
                right: -40px;
                transform: translateY(6px);
            }
            .nav-mega-trigger:hover .mega-panel {
                transform: translateY(0);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-gap: 40px;
                --section-gap-sm: 28px;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }

            /* Mobile nav */
            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 20px;
                overflow-y: auto;
                z-index: 999;
                transform: translateX(100%);
                transition: transform var(--transition-base);
                justify-content: flex-start;
            }
            .nav-main.open {
                transform: translateX(0);
            }
            .nav-link {
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
                display: block;
                text-align: left;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid var(--accent);
                border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            }
            .nav-mega-trigger {
                position: static;
            }
            .nav-mega-trigger>.nav-link::before {
                display: none;
            }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                background: transparent;
                grid-template-columns: 1fr;
                padding: 6px 0 6px 16px;
                min-width: auto;
                display: none;
                transition: none;
            }
            .nav-mega-trigger.open-mobile .mega-panel {
                display: grid;
            }
            .mega-card {
                padding: 10px 14px;
                font-size: 0.9rem;
            }

            .hamburger-btn {
                display: block;
            }
            .header-cta {
                display: none;
            }
            .header-cta-mobile {
                display: block;
            }
            .header-cta-mobile .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .data-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .page-banner-meta {
                gap: 14px;
            }
            .page-banner-meta span {
                font-size: 0.78rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                margin: 36px 8px;
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .info-table {
                font-size: 0.78rem;
            }
            .info-table th,
            .info-table td {
                padding: 10px 12px;
                font-size: 0.76rem;
            }
            .feature-text h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .data-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .data-card {
                padding: 20px 16px;
            }
            .data-card .data-number {
                font-size: 1.8rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .brand-card-body {
                padding: 16px 14px 14px;
            }
            .brand-card h3 {
                font-size: 1.05rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.84rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.9rem;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }
            .page-banner-meta {
                flex-direction: column;
                gap: 6px;
                align-items: center;
            }
        }

        /* Focus */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

/* roulang page: category4 */
:root {
            --color-primary: #1c1c1c;
            --color-accent: #2d6a4f;
            --color-accent-light: #40916c;
            --color-accent-pale: #d8f3dc;
            --color-gold: #b8860b;
            --color-gold-light: #d4a745;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f4f0;
            --color-bg-dark: #1c1c1c;
            --color-text: #1a1a1a;
            --color-text-soft: #555555;
            --color-text-light: #777777;
            --color-text-inverse: #f5f5f5;
            --color-border: #e5e5e0;
            --color-border-light: #efefeb;
            --color-white: #ffffff;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1.25rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4.5rem;
            --space-3xl: 6rem;
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            --max-width: 1200px;
            --max-width-narrow: 960px;
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1rem;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
        }

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        .container-narrow {
            max-width: var(--max-width-narrow);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--space-md);
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--color-primary);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(45, 106, 79, 0.25);
        }

        .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--color-primary);
            white-space: nowrap;
            font-family: var(--font-heading);
        }

        .logo-text span {
            color: var(--color-accent);
            font-weight: 800;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
            cursor: pointer;
            text-decoration: none;
        }

        .nav-link:hover {
            color: var(--color-accent);
            background: rgba(45, 106, 79, 0.05);
        }

        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(45, 106, 79, 0.07);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2.5px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .nav-mega-trigger {
            position: relative;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: var(--space-md);
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            min-width: 320px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            z-index: 1001;
        }

        .nav-mega-trigger:hover .mega-panel,
        .nav-mega-trigger:focus-within .mega-panel,
        .mega-panel.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.7rem 0.9rem;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .mega-card:hover {
            background: var(--color-accent-pale);
            color: var(--color-accent);
        }

        .mega-card-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: rgba(45, 106, 79, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .mega-card:hover .mega-card-icon {
            background: rgba(45, 106, 79, 0.16);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 0.55rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border-radius: 25px;
            text-decoration: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(45, 106, 79, 0.2);
        }

        .btn-nav-cta:hover {
            background: var(--color-accent-light);
            box-shadow: 0 4px 16px rgba(45, 106, 79, 0.3);
            transform: translateY(-1px);
        }

        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 1px 4px rgba(45, 106, 79, 0.2);
        }

        .header-cta-mobile {
            display: none;
        }

        .mobile-menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: var(--color-accent-pale);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28, 28, 28, 0.75) 0%, rgba(28, 28, 28, 0.35) 50%, rgba(45, 106, 79, 0.45) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: var(--space-3xl) 0;
            width: 100%;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.4rem 1rem;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 25px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.03em;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.01em;
            line-height: 1.2;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            line-height: 1.6;
            font-weight: 400;
        }

        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: var(--space-lg);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.75);
        }

        .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb-row a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .breadcrumb-row .sep {
            color: rgba(255, 255, 255, 0.5);
        }

        /* Sections */
        .section {
            padding: var(--space-3xl) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--space-2xl);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.01em;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--space-xs);
            padding: 0.25rem 0.75rem;
            background: var(--color-accent-pale);
            border-radius: 20px;
        }

        .section-dark .section-header .section-tag {
            background: rgba(45, 106, 79, 0.3);
            color: #8ce0a8;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header p {
            color: #bbb;
        }

        /* Grid layouts */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-xl);
            align-items: center;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }

        /* Cards */
        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-smooth);
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 15px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-primary);
            line-height: 1.4;
        }

        .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--space-sm);
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: gap var(--transition-fast);
            text-decoration: none;
        }

        .card-link:hover {
            gap: 9px;
        }

        /* Stat cards */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }

        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent-pale);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            font-size: 1.3rem;
            color: var(--color-accent);
        }

        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 0.3rem;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* Feature row */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-2xl);
            align-items: center;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse>* {
            direction: ltr;
        }

        .feature-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .feature-img-wrap img {
            width: 100%;
            height: auto;
            border-radius: 0;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .feature-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            color: var(--color-primary);
            line-height: 1.3;
        }

        .feature-text p {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: var(--space-md);
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .feature-list li i {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* Timeline */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
            position: relative;
            padding-left: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-left: var(--space-lg);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.65rem;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid var(--color-accent-pale);
            z-index: 1;
        }

        .timeline-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.25rem;
        }

        .timeline-item p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-md) var(--space-lg);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            cursor: pointer;
            background: none;
            border: none;
            gap: var(--space-md);
            transition: color var(--transition-fast);
            font-family: var(--font-body);
            letter-spacing: 0.01em;
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: var(--color-text-light);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 var(--space-lg) var(--space-md);
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-accent) 0%, #1b4d3a 100%);
            color: #fff;
            text-align: center;
            padding: var(--space-3xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.01em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--space-xl);
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.85rem 2rem;
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-accent);
            background: #fff;
            border-radius: 30px;
            text-decoration: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            letter-spacing: 0.02em;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
            background: #f8faf8;
        }

        .btn-cta:active {
            transform: translateY(0);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.75rem 1.6rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 30px;
            text-decoration: none;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* Quote block */
        .quote-block {
            background: var(--color-white);
            border-left: 4px solid var(--color-accent);
            padding: var(--space-lg) var(--space-xl);
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            box-shadow: var(--shadow-sm);
            margin: var(--space-lg) 0;
            font-style: italic;
            color: var(--color-text-soft);
            line-height: 1.7;
            font-size: 1.05rem;
        }

        .quote-block .quote-author {
            font-style: normal;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: var(--space-sm);
            font-size: 0.9rem;
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: #ccc;
            padding: var(--space-2xl) 0 var(--space-lg);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
        }

        .footer-brand span {
            color: #8ce0a8;
            font-weight: 800;
        }

        .footer-desc {
            font-size: 0.84rem;
            color: #999;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .footer-col ul li a {
            font-size: 0.84rem;
            color: #999;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: #8ce0a8;
        }

        .footer-disclaimer {
            text-align: center;
            font-size: 0.78rem;
            color: #777;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            line-height: 1.6;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            padding: 0.7rem 1.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 25px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: none;
            box-shadow: 0 2px 8px rgba(45, 106, 79, 0.2);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 4px 16px rgba(45, 106, 79, 0.3);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* Tag / Badge */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.7rem;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 15px;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .tag-green {
            background: var(--color-accent-pale);
            color: var(--color-accent);
        }

        .tag-gold {
            background: #fef3cd;
            color: #856404;
        }

        /* Divider */
        .divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin: var(--space-sm) auto;
        }

        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all var(--transition-smooth);
            border: none;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background: var(--color-accent-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .container {
                padding: 0 var(--space-md);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 1024px) {
            .grid-2,
            .feature-row {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .page-banner {
                min-height: 340px;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .nav-link {
                font-size: 0.82rem;
                padding: 0.45rem 0.65rem;
            }
            .btn-nav-cta {
                font-size: 0.8rem;
                padding: 0.45rem 1rem;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --space-3xl: 3.5rem;
                --space-2xl: 2.5rem;
                --space-xl: 1.5rem;
                --space-lg: 1rem;
            }
            .header-inner {
                gap: var(--space-sm);
            }
            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-md);
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
                max-height: 80vh;
                overflow-y: auto;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-link {
                padding: 0.65rem 1rem;
                font-size: 0.95rem;
                border-radius: 8px;
                width: 100%;
                justify-content: flex-start;
            }
            .nav-link.active::after {
                display: none;
            }
            .mega-panel {
                position: static;
                transform: none;
                box-shadow: none;
                border: none;
                padding: 0.5rem 0 0.5rem 1rem;
                grid-template-columns: 1fr;
                min-width: auto;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                display: none;
                background: transparent;
            }
            .nav-mega-trigger.open-mobile .mega-panel {
                display: grid;
            }
            .mega-card {
                padding: 0.5rem 0.7rem;
                font-size: 0.85rem;
            }
            .header-cta {
                display: none;
            }
            .header-cta-mobile {
                display: block !important;
                padding: 0.5rem 1rem;
            }
            .header-cta-mobile .btn-nav-cta {
                width: 100%;
                justify-content: center;
                font-size: 0.9rem;
                padding: 0.6rem 1.2rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .page-banner {
                min-height: 280px;
                background-position: center 30%;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .banner-badge {
                font-size: 0.72rem;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .feature-text h2 {
                font-size: 1.4rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: var(--space-sm) var(--space-md);
            }
            .faq-answer-inner {
                padding: 0 var(--space-md) var(--space-sm);
                font-size: 0.85rem;
            }
            .quote-block {
                padding: var(--space-md);
                font-size: 0.9rem;
            }
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner {
                min-height: 240px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }
            .stat-card {
                padding: var(--space-md);
            }
            .stat-card .stat-number {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .section {
                padding: var(--space-2xl) 0;
            }
            .breadcrumb-row {
                font-size: 0.72rem;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1a1a;
            --color-accent: #c8a96e;
            --color-accent-hover: #b8944f;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0eb;
            --color-surface: #ffffff;
            --color-text: #1a1a1a;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e2dc;
            --color-border-light: #f0ede8;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.09);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.11);
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1rem;
            --space-lg: 1.5rem;
            --space-xl: 2rem;
            --space-2xl: 3rem;
            --space-3xl: 4rem;
            --space-4xl: 6rem;
            --font-heading: 'Georgia', 'Times New Roman', 'Noto Serif SC', 'STSong', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-tap-highlight-color: transparent;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-xl);
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--space-lg);
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--space-md);
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-xl);
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-xl);
            height: 100%;
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 var(--space-lg);
            }
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo-wrap:hover {
            opacity: 0.82;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.04em;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-accent);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(0, 0, 0, 0.03);
        }
        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-mega-trigger {
            position: relative;
        }
        .nav-mega-trigger .nav-link {
            cursor: pointer;
        }
        .nav-mega-trigger .nav-link::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-right: 1.5px solid currentColor;
            border-bottom: 1.5px solid currentColor;
            transform: rotate(45deg);
            margin-right: 8px;
            transition: transform var(--transition-fast);
            opacity: 0.55;
        }

        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: var(--space-lg);
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            min-width: 360px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            z-index: 1001;
        }
        .nav-mega-trigger:hover .mega-panel,
        .nav-mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(4px);
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-md);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .mega-card:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .mega-card-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .mega-card:hover .mega-card-icon {
            background: var(--color-accent);
            color: #fff;
        }

        .header-cta {
            flex-shrink: 0;
        }
        .header-cta-mobile {
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: 30px;
            white-space: nowrap;
            transition: all var(--transition-bounce);
            letter-spacing: 0.02em;
        }
        .btn-nav-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(200, 169, 110, 0.35);
        }
        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(200, 169, 110, 0.25);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 28px;
            height: 20px;
            justify-content: center;
            cursor: pointer;
            z-index: 1002;
            flex-shrink: 0;
            background: none;
            border: none;
            padding: 4px;
        }
        .hamburger span {
            display: block;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-main {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.84rem;
            }
            .mega-panel {
                min-width: 300px;
                padding: var(--space-md);
                gap: 6px;
            }
            .mega-card {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-surface);
                flex-direction: column;
                align-items: stretch;
                padding: var(--space-xl);
                gap: 4px;
                overflow-y: auto;
                transform: translateX(100%);
                transition: transform var(--transition-smooth);
                z-index: 999;
            }
            .nav-main.open {
                transform: translateX(0);
            }
            .nav-link {
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: rgba(200, 169, 110, 0.08);
                border-radius: var(--radius-md);
            }
            .nav-mega-trigger {
                position: static;
            }
            .nav-mega-trigger .nav-link::before {
                display: none;
            }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                padding: 4px 0 4px 20px;
                grid-template-columns: 1fr;
                min-width: auto;
                background: transparent;
                display: flex;
                flex-direction: column;
                gap: 2px;
            }
            .mega-card {
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .header-cta {
                display: none;
            }
            .header-cta-mobile {
                display: block !important;
            }
            .header-cta-mobile .btn-nav-cta {
                font-size: 0.9rem;
                padding: 12px 24px;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.72) 0%, rgba(26, 26, 26, 0.55) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: var(--space-3xl) var(--space-xl);
        }
        .page-banner-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-lg);
            flex-wrap: wrap;
        }
        .page-banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .page-banner-breadcrumb a:hover {
            color: var(--color-accent);
        }
        .page-banner-breadcrumb .sep {
            opacity: 0.5;
            font-size: 0.7rem;
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-md);
            line-height: 1.25;
        }
        .page-banner .subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            max-width: 520px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .subtitle {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .subtitle {
                font-size: 0.9rem;
            }
            .page-banner-content {
                padding: var(--space-2xl) var(--space-md);
            }
        }

        /* ========== MAIN CONTENT ========== */
        main {
            min-height: 60vh;
        }

        .section {
            padding: var(--space-4xl) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-sm {
            padding: var(--space-3xl) 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-3xl) 0;
            }
            .section-sm {
                padding: var(--space-2xl) 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--space-3xl);
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-sm);
            color: var(--color-primary);
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: var(--space-sm);
        }
        .section-header p {
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.55rem;
            }
            .section-header {
                margin-bottom: var(--space-2xl);
            }
        }

        /* ========== OVERVIEW TEXT BLOCK ========== */
        .overview-block {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
        }
        .overview-block p {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text-soft);
            margin-bottom: var(--space-lg);
        }
        .overview-block p:last-child {
            margin-bottom: 0;
        }

        /* ========== LIFESTYLE CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-xl);
        }
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-lg);
            }
        }
        @media (max-width: 600px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }

        .lifestyle-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .lifestyle-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .lifestyle-card-image {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 11;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .lifestyle-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .lifestyle-card:hover .lifestyle-card-image img {
            transform: scale(1.04);
        }
        .lifestyle-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            z-index: 2;
        }
        .lifestyle-card-body {
            padding: var(--space-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .lifestyle-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.35;
        }
        .lifestyle-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
        }
        .lifestyle-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            margin-top: auto;
            letter-spacing: 0.02em;
        }
        .lifestyle-card-link:hover {
            color: var(--color-accent-hover);
            gap: 10px;
        }
        .lifestyle-card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .lifestyle-card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== CONTENT LIST ========== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 1px;
            background: var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .content-list-item {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            padding: var(--space-lg) var(--space-xl);
            background: var(--color-surface);
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-wrap: wrap;
        }
        .content-list-item:hover {
            background: #fdfdfb;
            box-shadow: inset 4px 0 0 var(--color-accent);
        }
        .content-list-num {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent);
            flex-shrink: 0;
            width: 40px;
            text-align: center;
            opacity: 0.7;
        }
        .content-list-thumb {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }
        .content-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-list-info {
            flex: 1;
            min-width: 200px;
        }
        .content-list-info h4 {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .content-list-info .meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .content-list-arrow {
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }
        .content-list-item:hover .content-list-arrow {
            color: var(--color-accent);
            transform: translateX(4px);
        }

        @media (max-width: 600px) {
            .content-list-item {
                padding: var(--space-md);
                gap: var(--space-md);
            }
            .content-list-thumb {
                width: 50px;
                height: 50px;
                border-radius: var(--radius-sm);
            }
            .content-list-num {
                font-size: 1.3rem;
                width: 28px;
            }
            .content-list-info h4 {
                font-size: 0.88rem;
            }
        }

        /* ========== DATA HIGHLIGHTS ========== */
        .data-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }
        @media (max-width: 1024px) {
            .data-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .data-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
        }
        .data-card {
            text-align: center;
            padding: var(--space-xl) var(--space-lg);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .data-card .data-icon {
            font-size: 1.8rem;
            color: var(--color-accent);
            margin-bottom: var(--space-sm);
        }
        .data-card .data-value {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }
        .data-card .data-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .data-card .data-value {
                font-size: 1.6rem;
            }
            .data-card {
                padding: var(--space-lg) var(--space-md);
            }
        }

        /* ========== TOPIC HIGHLIGHTS ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-xl);
        }
        @media (max-width: 768px) {
            .topics-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }
        .topic-card {
            display: flex;
            gap: var(--space-lg);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .topic-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
        }
        .topic-card:hover .topic-card-icon {
            background: var(--color-accent);
            color: #fff;
        }
        .topic-card-content h4 {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .topic-card-content p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }
        @media (max-width: 520px) {
            .topic-card {
                flex-direction: column;
                gap: var(--space-md);
                padding: var(--space-lg);
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            padding: var(--space-4xl) var(--space-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(200, 169, 110, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-md);
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto var(--space-xl);
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 440px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(200, 169, 110, 0.15);
        }
        .btn-cta {
            padding: 13px 28px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            border-radius: 30px;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all var(--transition-bounce);
            white-space: nowrap;
            border: none;
            font-family: inherit;
        }
        .btn-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 169, 110, 0.4);
        }
        .btn-cta:active {
            transform: translateY(0);
        }
        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
            }
            .btn-cta {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-lg) var(--space-xl);
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-primary);
            cursor: pointer;
            text-align: left;
            gap: var(--space-md);
            transition: background var(--transition-fast);
            background: none;
            border: none;
            font-family: inherit;
            line-height: 1.5;
        }
        .faq-question:hover {
            background: rgba(0, 0, 0, 0.015);
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 0.75rem;
            color: var(--color-accent);
            transition: transform var(--transition-smooth);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 var(--space-xl) var(--space-lg);
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
        }
        @media (max-width: 600px) {
            .faq-question {
                padding: var(--space-md);
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 var(--space-md) var(--space-md);
                font-size: 0.85rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #bbb;
            padding: var(--space-4xl) 0 var(--space-xl);
            font-size: 0.92rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
            gap: var(--space-2xl);
            margin-bottom: var(--space-2xl);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xl);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-sm);
        }
        .footer-brand span {
            color: var(--color-accent);
        }
        .footer-desc {
            font-size: 0.84rem;
            line-height: 1.7;
            color: #999;
        }
        .footer-col h4 {
            font-weight: 600;
            color: #ddd;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.03em;
            font-size: 0.92rem;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: 0.86rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-disclaimer {
            text-align: center;
            font-size: 0.78rem;
            color: #777;
            padding-top: var(--space-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            line-height: 1.6;
        }