/* roulang page: index */
:root {
            --primary: #1a1a1f;
            --primary-light: #2c2c33;
            --accent: #c4a265;
            --accent-hover: #a8873f;
            --accent-soft: #e8d9b8;
            --bg: #fafaf7;
            --bg-alt: #f3f0e9;
            --bg-warm: #faf6ef;
            --white: #ffffff;
            --text: #232325;
            --text-soft: #555558;
            --text-light: #7d7d80;
            --text-muted: #a0a0a4;
            --border: #e5e1d8;
            --border-light: #efebe4;
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --radius-full: 999px;
            --shadow-xs: 0 1px 2px 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 56px rgba(0, 0, 0, 0.13);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.05), 0 8px 28px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-sans: 'Source Han Sans CN', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-serif: 'Source Han Serif CN', 'Noto Serif SC', 'STSong', 'Georgia', 'Times New Roman', serif;
            --container-max: 1240px;
            --container-narrow: 960px;
            --nav-height: 62px;
            --section-gap: 80px;
            --section-gap-sm: 50px;
        }

        *,
        *::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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 40px);
            max-width: 1180px;
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            top: 6px;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(22px) saturate(160%);
            -webkit-backdrop-filter: blur(22px) saturate(160%);
            border: 1px solid rgba(200, 190, 170, 0.35);
            border-radius: var(--radius-full);
            padding: 8px 12px 8px 22px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            gap: 8px;
        }

        .nav-capsule:hover {
            box-shadow: var(--shadow-lg);
            background: rgba(255, 255, 255, 0.93);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: var(--text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-links a.active {
            color: var(--accent-hover);
            background: rgba(196, 162, 101, 0.1);
            font-weight: 600;
        }

        .nav-links a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: var(--radius-full);
            cursor: pointer;
            z-index: 1001;
            transition: all var(--transition-fast);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform-origin: center;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            padding: 40px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-menu.open {
            display: flex;
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu a {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--text);
            padding: 12px 28px;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-hover);
            background: rgba(196, 162, 101, 0.08);
        }

        .mobile-menu .nav-cta-mobile {
            margin-top: 12px;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu .nav-cta-mobile:hover {
            background: var(--accent-hover);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            overflow: hidden;
            padding: 120px 28px 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 20, 24, 0.45) 0%, rgba(20, 20, 24, 0.25) 40%, rgba(20, 20, 24, 0.55) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            color: #fff;
        }

        .hero-tag {
            display: inline-block;
            padding: 7px 20px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
            background: rgba(255, 255, 255, 0.08);
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .hero-title .brand-name {
            color: var(--accent-soft);
        }

        .hero-desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            margin: 0 auto 32px;
            letter-spacing: 0.02em;
        }

        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(196, 162, 101, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(168, 135, 63, 0.45);
        }
        .btn-primary:active {
            transform: scale(0.96);
        }
        .btn-primary:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: transparent;
            color: #fff;
            font-weight: 500;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-2px);
        }
        .btn-ghost:active {
            transform: scale(0.96);
        }
        .btn-ghost:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        .hero-scroll-indicator {
            position: absolute;
            bottom: 36px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.78rem;
            letter-spacing: 0.06em;
            animation: floatDown 2.2s ease-in-out infinite;
        }

        .hero-scroll-indicator i {
            font-size: 0.9rem;
        }

        @keyframes floatDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(10px);
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-hover);
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 560px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ========== BRAND MATRIX ========== */
        .brand-matrix {
            background: var(--white);
        }

        .brand-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .brand-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3/4;
            cursor: pointer;
            group: true;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .brand-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

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

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

        .brand-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(20, 20, 24, 0.7) 0%, rgba(20, 20, 24, 0.05) 55%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 22px 20px;
            transition: all var(--transition-base);
        }

        .brand-card:hover .brand-card-overlay {
            background: linear-gradient(0deg, rgba(20, 20, 24, 0.8) 0%, rgba(20, 20, 24, 0.15) 55%);
        }

        .brand-card-name {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
        }

        .brand-card-tag {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.05em;
        }

        /* ========== DATA DASHBOARD ========== */
        .data-dashboard {
            background: var(--bg-alt);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            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);
            border-color: var(--accent-soft);
        }

        .data-number {
            font-family: var(--font-serif);
            font-size: 3rem;
            font-weight: 700;
            color: var(--accent-hover);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 8px;
        }

        .data-number sup {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--accent);
        }

        .data-label {
            font-size: 0.9rem;
            color: var(--text-light);
            letter-spacing: 0.03em;
            font-weight: 500;
        }

        .data-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== SERVICE ENTRY ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .service-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }

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

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-full);
            background: var(--bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--accent-hover);
            transition: all var(--transition-base);
        }

        .service-card:hover .service-icon {
            background: var(--accent-soft);
            color: var(--accent-hover);
            transform: scale(1.08);
        }

        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ========== APPRECIATION / CARDS ========== */
        .appreciation-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .appreciation-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid var(--border-light);
        }

        .appreciation-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .appreciation-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .appreciation-card:hover img {
            transform: scale(1.04);
        }

        .appreciation-card-body {
            padding: 22px 20px;
        }

        .appreciation-card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

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

        .appreciation-card-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            background: var(--bg-warm);
            color: var(--accent-hover);
            margin-bottom: 10px;
        }

        /* ========== NEWS / INFO LIST ========== */
        .news-section {
            background: var(--white);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .news-card {
            display: flex;
            gap: 18px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid transparent;
            align-items: flex-start;
        }

        .news-card:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            background: var(--white);
        }

        .news-card img {
            width: 130px;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-md);
            flex-shrink: 0;
        }

        .news-card-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .news-card-content p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            margin-top: 6px;
        }

        /* ========== CRAFT HERITAGE ========== */
        .craft-section {
            position: relative;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--section-gap) 0;
            overflow: hidden;
        }

        .craft-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(22, 22, 26, 0.72);
            z-index: 1;
        }

        .craft-section .container {
            position: relative;
            z-index: 2;
        }

        .craft-section .section-title,
        .craft-section .section-subtitle,
        .craft-section .section-label {
            color: #fff;
        }
        .craft-section .section-subtitle {
            color: rgba(255, 255, 255, 0.78);
        }
        .craft-section .section-label {
            color: var(--accent-soft);
        }

        .craft-highlights {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .craft-highlight-item {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            color: #fff;
            transition: all var(--transition-base);
        }

        .craft-highlight-item:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .craft-highlight-item .craft-icon {
            font-size: 2rem;
            margin-bottom: 14px;
            color: var(--accent-soft);
        }

        .craft-highlight-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }

        .craft-highlight-item p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
        }

        /* ========== MOBILE EXPERIENCE ========== */
        .mobile-section {
            background: var(--bg-warm);
        }

        .mobile-flex {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .mobile-text {
            flex: 1;
            min-width: 280px;
        }

        .mobile-text h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .mobile-text p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .mobile-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-soft);
        }

        .mobile-features li i {
            color: var(--accent-hover);
            font-size: 1rem;
        }

        .mobile-mockup {
            flex: 0 0 320px;
            background: var(--white);
            border-radius: 36px;
            padding: 14px;
            box-shadow: var(--shadow-xl);
            border: 3px solid #e0dcd3;
            position: relative;
            overflow: hidden;
        }

        .mobile-mockup img {
            width: 100%;
            border-radius: 24px;
            object-fit: cover;
            aspect-ratio: 9/16;
        }

        /* ========== SUSTAINABILITY ========== */
        .sustainability-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .sustainability-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .sustainability-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent-soft);
        }

        .sustainability-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: var(--radius-full);
            background: #eef5e8;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #5a8a3c;
        }

        .sustainability-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

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

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: transparent;
            text-align: left;
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--accent-hover);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-base);
            color: var(--text-soft);
        }

        .faq-item.active .faq-icon {
            background: var(--accent-soft);
            color: var(--accent-hover);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: var(--section-gap) 0;
        }

        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
            margin: 0 auto 28px;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.1);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.16);
            outline: none;
            box-shadow: 0 0 0 4px rgba(196, 162, 101, 0.15);
        }

        .btn-submit {
            padding: 14px 30px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-submit:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(196, 162, 101, 0.4);
        }
        .btn-submit:active {
            transform: scale(0.96);
        }
        .btn-submit:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-light);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

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

        .footer-col a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.03em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .brand-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .appreciation-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .craft-highlights {
                grid-template-columns: repeat(2, 1fr);
            }
            .sustainability-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links a {
                padding: 8px 12px;
                font-size: 0.83rem;
            }
            .nav-capsule {
                padding: 7px 10px 7px 16px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .site-header {
                top: 10px;
                width: calc(100% - 20px);
            }
            .nav-capsule {
                padding: 8px 14px;
                border-radius: var(--radius-lg);
            }
            .brand-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .service-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .appreciation-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .craft-highlights {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .mobile-flex {
                flex-direction: column;
                gap: 30px;
            }
            .mobile-mockup {
                flex: 0 0 auto;
                max-width: 260px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-desc {
                max-width: 100%;
            }
            .hero {
                min-height: 80vh;
                padding: 100px 20px 60px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card img {
                width: 100%;
                height: 160px;
            }
            .data-number {
                font-size: 2.2rem;
            }
            .btn-primary,
            .btn-ghost {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .brand-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .data-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .nav-capsule {
                border-radius: var(--radius-md);
                padding: 6px 10px 6px 14px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .hero {
                min-height: 70vh;
                padding: 80px 16px 50px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
            }
            .btn-submit {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #c9a96e;
            --color-accent-light: #e0cead;
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-bg-dark: #1a1a2e;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-on-dark: #e8e6e1;
            --color-white: #ffffff;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 50px;
            --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, 0.11);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --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-sans: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 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);
            --max-width: 1280px;
        }

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

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

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

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

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

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

        ul {
            list-style: none;
        }

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

        .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);
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 248, 245, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-smooth);
        }

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

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem var(--space-lg);
            max-width: var(--max-width);
            margin: 0 auto;
            gap: var(--space-md);
            position: relative;
        }

        @media (max-width: 768px) {
            .nav-capsule {
                padding: 0.75rem var(--space-md);
            }
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            background: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-full);
            padding: 0.3rem 0.5rem;
            border: 1px solid var(--color-border-light);
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links a {
            padding: 0.45rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-light);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(201, 169, 110, 0.08);
        }

        .nav-links a.active {
            color: var(--color-white);
            background: var(--color-accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.55rem 1.35rem;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            box-shadow: 0 2px 10px rgba(26, 26, 46, 0.2);
        }

        .nav-cta:hover {
            background: #2a2a45;
            box-shadow: 0 4px 18px rgba(26, 26, 46, 0.3);
            transform: translateY(-1px);
        }

        .nav-cta i {
            font-size: 0.78rem;
            transition: transform var(--transition-fast);
        }

        .nav-cta:hover i {
            transform: translateX(3px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 0.5rem;
            border-radius: var(--radius-sm);
            z-index: 1001;
            background: transparent;
            border: none;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
                padding: 0.25rem 0.35rem;
            }
            .nav-links a {
                padding: 0.4rem 0.7rem;
                font-size: 0.82rem;
            }
            .nav-cta {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(250, 248, 245, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: center;
                gap: 0.75rem;
                border-radius: 0;
                padding: 2rem;
                border: none;
                transform: translateY(-100%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                font-size: 1.1rem;
                padding: 0.7rem 1.5rem;
            }
            .nav-cta {
                display: none;
            }
            .nav-capsule {
                justify-content: space-between;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: var(--space-3xl) 0;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.78) 0%, rgba(26, 26, 46, 0.45) 40%, rgba(26, 26, 46, 0.3) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .page-banner .banner-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent-light);
            background: rgba(255, 255, 255, 0.1);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-md);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.2;
            margin-bottom: var(--space-md);
            letter-spacing: 0.03em;
        }

        .page-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 540px;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 340px;
                padding: var(--space-2xl) 0;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 300px;
                padding: var(--space-xl) 0;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
        }

        /* Main */
        main {
            flex: 1;
        }

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

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

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

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

        .section-header .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.07em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: var(--space-xs);
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: var(--space-sm);
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-light);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header h2 {
            color: var(--color-white);
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

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

        /* Category Cards Grid */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        @media (max-width: 1024px) {
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .cat-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }

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

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

        .cat-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
        }

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

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

        .cat-card .card-img-overlay {
            position: absolute;
            top: var(--space-md);
            left: var(--space-md);
            z-index: 2;
        }

        .cat-card .card-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--color-white);
            background: var(--color-accent);
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-full);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

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

        .cat-card .card-body h3 {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-xs);
            letter-spacing: 0.02em;
        }

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

        .cat-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .cat-card .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .cat-card .card-link:hover i {
            transform: translateX(4px);
        }
        .cat-card .card-link:hover {
            color: var(--color-primary);
        }

        /* Featured List */
        .featured-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        @media (max-width: 768px) {
            .featured-list {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }

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

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

        .featured-item .fi-img {
            width: 160px;
            height: 130px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
        }

        .featured-item .fi-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .featured-item:hover .fi-img img {
            transform: scale(1.05);
        }

        .featured-item .fi-content h4 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-xs);
            letter-spacing: 0.02em;
        }

        .featured-item .fi-content p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: var(--space-sm);
        }

        .featured-item .fi-meta {
            display: flex;
            gap: var(--space-md);
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        .featured-item .fi-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        @media (max-width: 520px) {
            .featured-item {
                flex-direction: column;
                gap: var(--space-md);
            }
            .featured-item .fi-img {
                width: 100%;
                height: 180px;
            }
        }

        /* Process / Craft Section */
        .craft-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            counter-reset: step;
        }

        @media (max-width: 1024px) {
            .craft-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .craft-steps {
                grid-template-columns: 1fr;
            }
        }

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

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

        .craft-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: var(--space-md);
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.35);
            letter-spacing: 0.02em;
        }

        .craft-step h4 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-xs);
            letter-spacing: 0.02em;
        }

        .craft-step p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .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);
            box-shadow: var(--shadow-sm);
        }

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

        .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);
            text-align: left;
            cursor: pointer;
            gap: var(--space-md);
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
            background: transparent;
            border: none;
            font-family: var(--font-sans);
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 var(--space-lg);
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-lg) var(--space-lg) var(--space-lg);
        }

        /* CTA Section */
        .cta-section {
            text-align: center;
            padding: var(--space-3xl) 0;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-light);
            margin-bottom: var(--space-lg);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-section .btn-group {
            display: flex;
            gap: var(--space-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-white);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
        }
        .btn-primary:hover {
            background: #b8943a;
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.4);
            transform: translateY(-2px);
        }

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

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn {
                padding: 0.65rem 1.4rem;
                font-size: 0.88rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: var(--space-3xl) 0 var(--space-lg);
            margin-top: auto;
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
            color: var(--color-white);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--space-md);
            color: var(--color-accent-light);
        }

        .footer-col ul li {
            margin-bottom: var(--space-xs);
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-lg);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 1.6;
        }

        /* Utility */
        .text-accent {
            color: var(--color-accent);
        }
        .mt-lg {
            margin-top: var(--space-lg);
        }
        .mt-xl {
            margin-top: var(--space-xl);
        }

        /* Tag / Label */
        .tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 500;
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-full);
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .tag-accent {
            background: rgba(201, 169, 110, 0.12);
            color: #8b6914;
        }

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

        @media (max-width: 768px) {
            :root {
                --space-3xl: 3rem;
                --space-2xl: 2.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #c8a45c;
            --color-accent-hover: #b8943f;
            --color-accent-light: rgba(200, 164, 92, 0.1);
            --color-accent-soft: rgba(200, 164, 92, 0.06);
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f2ee;
            --color-bg-dark: #1a1a2e;
            --color-bg-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-muted: #999999;
            --color-text-inverse: #f5f5f5;
            --color-border: #e8e6e0;
            --color-border-light: #f0efe9;
            --color-success: #4a8c6f;
            --color-warning: #c8a45c;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --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 14px 36px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.14);
            --shadow-accent: 0 8px 28px rgba(200, 164, 92, 0.2);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1.25rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4.5rem;
            --spacing-3xl: 6rem;
        }

        *,
        *::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;
            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;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-fast);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-primary);
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.35rem;
            letter-spacing: -0.005em;
        }
        h4 {
            font-size: 1.1rem;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1280px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            gap: 1.5rem;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .nav-logo::before {
            content: '\f290';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.15rem;
            color: var(--color-accent);
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .nav-links a.active {
            color: var(--color-accent);
            background: var(--color-accent-light);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.55rem 1.3rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border-radius: var(--radius-full);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(200, 164, 92, 0.25);
        }
        .nav-cta:hover {
            background: var(--color-accent-hover);
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(200, 164, 92, 0.3);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 0.5rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
            z-index: 1001;
        }
        .nav-toggle:hover {
            background: var(--color-accent-soft);
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform-origin: center;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.4rem 0.65rem;
                font-size: 0.85rem;
            }
            .nav-cta {
                padding: 0.5rem 1rem;
                font-size: 0.82rem;
                gap: 0.3rem;
            }
        }
        @media (max-width: 768px) {
            .nav-capsule {
                padding: 0 1rem;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                flex-direction: column;
                background: #fff;
                padding: 5rem 1.5rem 2rem;
                gap: 0.3rem;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                z-index: 1000;
                overflow-y: auto;
                align-items: stretch;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 1rem;
                border-radius: var(--radius-md);
                justify-content: flex-start;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .nav-capsule .nav-cta-mobile {
                display: inline-flex;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.2rem;
            }
            .nav-links {
                width: 260px;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(26, 26, 46, 0.82) 0%,
                    rgba(26, 26, 46, 0.55) 45%,
                    rgba(26, 26, 46, 0.35) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 2;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 3;
            padding: 3rem 0 4rem;
            color: #fff;
            max-width: 700px;
        }
        .banner-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: rgba(200, 164, 92, 0.18);
            border: 1px solid rgba(200, 164, 92, 0.35);
            border-radius: var(--radius-full);
            margin-bottom: 1.2rem;
            text-transform: uppercase;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: -0.02em;
        }
        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            max-width: 520px;
        }
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 1rem;
        }
        .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .breadcrumb-row a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-row .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 300px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
            .page-banner .banner-content {
                padding: 2rem 0 3rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .banner-badge {
                font-size: 0.72rem;
                padding: 0.3rem 0.8rem;
            }
        }

        /* ========== MAIN CONTENT ========== */
        main {
            flex: 1;
        }
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-inverse);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            margin-bottom: 0.6rem;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .section-header .section-desc {
            color: var(--color-text-light);
            max-width: 560px;
            margin: 0 auto;
            font-size: 1.02rem;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== BRAND GRID ========== */
        .brand-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.6rem;
        }
        .brand-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .brand-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: transparent;
        }
        .brand-card:focus-within {
            box-shadow: var(--shadow-md);
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        .brand-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
            background: var(--color-bg-alt);
        }
        .brand-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }
        .brand-card:hover .brand-card-img img {
            transform: scale(1.06);
        }
        .brand-card-img .brand-rank {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 26, 46, 0.8);
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
            z-index: 2;
        }
        .brand-card-body {
            padding: 1.3rem 1.4rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .brand-card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 0.2rem;
            color: var(--color-primary);
        }
        .brand-card-body .brand-category {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 500;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .brand-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.55;
            flex: 1;
        }
        .brand-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: 0.4rem;
            transition: gap var(--transition-fast);
        }
        .brand-card-link:hover {
            gap: 0.6rem;
            color: var(--color-accent-hover);
        }
        .brand-card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }
        .brand-card:hover .brand-card-link i {
            transform: translateX(3px);
        }

        @media (max-width: 1024px) {
            .brand-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.3rem;
            }
        }
        @media (max-width: 600px) {
            .brand-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .brand-card-body h3 {
                font-size: 1.1rem;
            }
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .stat-item {
            padding: 1.8rem 1rem;
            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-base);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(200, 164, 92, 0.3);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            font-family: var(--font-heading);
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .stat-item {
                padding: 1.2rem 0.8rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            padding: 1.2rem 1.4rem;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }
        .news-item .news-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1rem;
        }
        .news-item .news-content h4 {
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 0.2rem;
            line-height: 1.4;
        }
        .news-item .news-content .news-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .news-item .news-arrow {
            flex-shrink: 0;
            align-self: center;
            color: var(--color-accent);
            font-size: 0.85rem;
            opacity: 0;
            transform: translateX(-8px);
            transition: all var(--transition-base);
        }
        .news-item:hover .news-arrow {
            opacity: 1;
            transform: translateX(0);
        }

        @media (max-width: 520px) {
            .news-item {
                padding: 1rem;
                gap: 0.8rem;
            }
            .news-item .news-icon {
                width: 36px;
                height: 36px;
                font-size: 0.85rem;
            }
            .news-item .news-content h4 {
                font-size: 0.9rem;
            }
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-item.open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 1.1rem 1.4rem;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: transparent;
            transition: color var(--transition-fast);
            gap: 1rem;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 1.4rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.2rem;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-bg-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            text-align: center;
            padding: var(--spacing-2xl) 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 46, 0.78);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
            margin: 0 auto 1.8rem;
            font-size: 1.05rem;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.85rem 2.2rem;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
            letter-spacing: 0.02em;
        }
        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
            color: #fff;
        }
        .btn-cta-large:active {
            transform: translateY(0);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #14141f;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-2xl) 0 1.8rem;
            font-size: 0.9rem;
            line-height: 1.8;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.6;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.4rem;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .mb-lg {
            margin-bottom: var(--spacing-lg);
        }

        /* ========== MOBILE OVERLAY ========== */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            transition: opacity var(--transition-base);
        }
        .nav-overlay.visible {
            display: block;
        }

        @media (min-width: 769px) {
            .nav-overlay {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #8B6914;
            --color-primary-dark: #6B4F0E;
            --color-primary-light: #B8912E;
            --color-accent: #D4A853;
            --color-accent-soft: #E8CF8C;
            --color-bg: #FDFBF7;
            --color-bg-warm: #F5F0E6;
            --color-bg-dark: #1E1810;
            --color-bg-card: #FFFFFF;
            --color-text: #2C2416;
            --color-text-strong: #1A1308;
            --color-text-weak: #7A7265;
            --color-text-muted: #A0988A;
            --color-border: #E5DED2;
            --color-border-light: #F0EBE0;
            --color-white: #FFFFFF;
            --color-gold: #C9A96E;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 3px rgba(44, 36, 22, 0.04);
            --shadow-sm: 0 2px 8px rgba(44, 36, 22, 0.06);
            --shadow-md: 0 6px 20px rgba(44, 36, 22, 0.1);
            --shadow-lg: 0 12px 36px rgba(44, 36, 22, 0.14);
            --shadow-xl: 0 20px 50px rgba(44, 36, 22, 0.18);
            --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-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', 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-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        *,
        *::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-sans);
            font-size: 16px;
            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 {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: var(--space-md) 0;
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(253, 251, 247, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-md);
            padding: var(--space-xs) 0;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-full);
            padding: 0.65rem 1.2rem 0.65rem 1.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            gap: var(--space-lg);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled .nav-capsule {
            background: rgba(255, 255, 255, 0.9);
            box-shadow: var(--shadow-md);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(139, 105, 20, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(139, 105, 20, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-primary);
            padding: 0.55rem 1.3rem;
            border-radius: var(--radius-full);
            white-space: nowrap;
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 3px 12px rgba(139, 105, 20, 0.25);
        }

        .nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 20px rgba(139, 105, 20, 0.35);
            transform: translateY(-1px);
            color: var(--color-white);
        }

        .nav-cta i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .nav-cta:hover i {
            transform: translateX(3px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 0.5rem;
            cursor: pointer;
            z-index: 1001;
            background: transparent;
            border: none;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 3px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .nav-capsule {
                padding: 0.5rem 1rem 0.5rem 1.4rem;
                gap: var(--space-md);
            }
            .nav-links {
                gap: 0.15rem;
            }
            .nav-links a {
                font-size: 0.82rem;
                padding: 0.4rem 0.65rem;
            }
            .nav-cta {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 5rem 2rem 2rem;
                gap: 0.6rem;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-smooth);
                z-index: 1000;
                align-items: flex-start;
                border-radius: var(--radius-xl) 0 0 var(--radius-xl);
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                font-size: 1rem;
                padding: 0.7rem 1rem;
                width: 100%;
                border-radius: var(--radius-md);
                text-align: left;
            }
            .nav-cta {
                display: none;
            }
            .nav-capsule {
                padding: 0.55rem 1rem;
                border-radius: var(--radius-xl);
            }
            .nav-logo {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                padding: 0.5rem 0.8rem;
                border-radius: var(--radius-lg);
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-links {
                width: 260px;
                padding: 4.5rem 1.5rem 1.5rem;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 8rem 0 4rem;
            background: var(--color-bg-dark);
            background-image: linear-gradient(180deg,
                    rgba(30, 24, 16, 0.55) 0%,
                    rgba(30, 24, 16, 0.7) 50%,
                    rgba(30, 24, 16, 0.85) 100%),
                url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--space-lg);
            flex-wrap: wrap;
        }

        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }

        .banner-breadcrumb a:hover {
            color: var(--color-accent);
        }

        .banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .banner-breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
            line-height: 1.25;
            max-width: 700px;
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.7;
            letter-spacing: 0.03em;
        }

        .banner-accent-line {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: var(--space-lg);
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 340px;
                padding: 7rem 0 3rem;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 300px;
                padding: 6rem 0 2.5rem;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .banner-breadcrumb {
                font-size: 0.75rem;
            }
        }

        /* Section styles */
        .section {
            padding: var(--space-4xl) 0;
        }

        .section-sm {
            padding: var(--space-3xl) 0;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-strong);
            text-align: center;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            text-align: center;
            max-width: 600px;
            margin: 0 auto var(--space-3xl);
            line-height: 1.7;
            letter-spacing: 0.03em;
        }

        .section-accent-line {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto var(--space-lg);
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-3xl) 0;
            }
            .section-sm {
                padding: var(--space-2xl) 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: var(--space-2xl);
            }
        }

        /* Craft Cards Grid */
        .craft-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-xl);
        }

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

        @media (max-width: 520px) {
            .craft-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }

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

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

        .craft-card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-warm);
        }

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

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

        .craft-card-badge {
            position: absolute;
            top: var(--space-md);
            left: var(--space-md);
            background: rgba(30, 24, 16, 0.8);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.05em;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

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

        .craft-card-body h3 {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.03em;
            line-height: 1.35;
        }

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

        .craft-card-meta {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            padding-top: var(--space-md);
            border-top: 1px solid var(--color-border-light);
        }

        .craft-card-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .craft-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .craft-card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .craft-card-link:hover {
            color: var(--color-primary-dark);
        }

        .craft-card-link:hover i {
            transform: translateX(4px);
        }

        /* Featured Craft Block */
        .featured-craft {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-3xl);
            align-items: center;
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .featured-craft-image {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--color-bg-warm);
        }

        .featured-craft-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-craft-content {
            padding: var(--space-3xl) var(--space-3xl) var(--space-3xl) 0;
        }

        .featured-craft-content .tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(139, 105, 20, 0.08);
            padding: 0.35rem 0.9rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }

        .featured-craft-content h3 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.04em;
            margin-bottom: var(--space-md);
            line-height: 1.3;
        }

        .featured-craft-content p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.75;
            margin-bottom: var(--space-lg);
        }

        .featured-craft-stats {
            display: flex;
            gap: var(--space-2xl);
            flex-wrap: wrap;
        }

        .featured-craft-stat {
            text-align: center;
        }

        .featured-craft-stat .stat-num {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }

        .featured-craft-stat .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
            margin-top: 0.2rem;
        }

        @media (max-width: 768px) {
            .featured-craft {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-craft-content {
                padding: var(--space-xl);
            }
            .featured-craft-content h3 {
                font-size: 1.5rem;
            }
            .featured-craft-image {
                aspect-ratio: 16 / 9;
            }
            .featured-craft-stats {
                gap: var(--space-lg);
            }
            .featured-craft-stat .stat-num {
                font-size: 1.6rem;
            }
        }

        /* Data Highlights */
        .data-highlights {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }

        @media (max-width: 1024px) {
            .data-highlights {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .data-highlights {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
        }

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

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

        .data-card .data-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: var(--space-sm);
        }

        .data-card .data-num {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.03em;
            line-height: 1.2;
        }

        .data-card .data-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-top: 0.3rem;
            letter-spacing: 0.03em;
        }

        /* Article List */
        .article-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .article-item {
            display: flex;
            gap: var(--space-xl);
            padding: var(--space-lg) 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
            transition: all var(--transition-fast);
        }

        .article-item:first-child {
            padding-top: 0;
        }

        .article-item:hover {
            padding-left: var(--space-sm);
        }

        .article-item-thumb {
            flex-shrink: 0;
            width: 140px;
            aspect-ratio: 4 / 3;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-warm);
        }

        .article-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-item-content h4 {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 0.4rem;
            letter-spacing: 0.03em;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .article-item:hover h4 {
            color: var(--color-primary);
        }

        .article-item-content p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 0.4rem;
        }

        .article-item-content .article-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .article-item {
                flex-direction: column;
                gap: var(--space-md);
            }
            .article-item-thumb {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .article-item:hover {
                padding-left: 0;
            }
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg-warm);
            border-radius: var(--radius-xl);
            padding: var(--space-4xl) var(--space-3xl);
            margin: 0 var(--space-xl);
        }

        @media (max-width: 768px) {
            .faq-section {
                margin: 0 var(--space-md);
                padding: var(--space-2xl) var(--space-lg);
            }
        }

        .faq-list {
            max-width: 750px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--space-lg) var(--space-xl);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-strong);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--space-md);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: transparent;
            border: none;
        }

        .faq-question:hover {
            color: var(--color-primary);
            background: rgba(139, 105, 20, 0.03);
        }

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

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

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

        .faq-item.open .faq-answer {
            max-height: 350px;
            padding: 0 var(--space-xl) var(--space-lg);
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-bg-dark);
            border-radius: var(--radius-xl);
            padding: var(--space-4xl) var(--space-3xl);
            text-align: center;
            margin: 0 var(--space-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.06);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
            margin: 0 auto var(--space-2xl);
            line-height: 1.7;
            letter-spacing: 0.03em;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-bg-dark);
            background: var(--color-accent);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.3);
            cursor: pointer;
            border: none;
        }

        .btn-primary:hover {
            background: #dbb760;
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.45);
            transform: translateY(-2px);
        }

        .btn-primary i {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
        }

        .btn-primary:hover i {
            transform: translateX(4px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            background: transparent;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-full);
            border: 2px solid var(--color-primary);
            letter-spacing: 0.04em;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }

        @media (max-width: 768px) {
            .cta-section {
                margin: 0 var(--space-md);
                padding: var(--space-3xl) var(--space-xl);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            padding: var(--space-4xl) 0 var(--space-xl);
            color: rgba(255, 255, 255, 0.7);
            margin-top: var(--space-4xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--space-3xl);
            padding-bottom: var(--space-3xl);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.7;
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-white);
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            letter-spacing: 0.03em;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--space-xl);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.04em;
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-2xl);
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-xl);
            }
            .footer-brand {
                font-size: 1.3rem;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }

        .mt-0 {
            margin-top: 0;
        }

        .mb-0 {
            margin-bottom: 0;
        }

        /* Overlay for mobile nav */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(30, 24, 16, 0.5);
            z-index: 999;
            transition: opacity var(--transition-smooth);
        }

        .nav-overlay.show {
            display: block;
        }

        @media (min-width: 769px) {
            .nav-overlay.show {
                display: none;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #c9a96e;
            --color-gold: #d4af37;
            --color-bg: #fafaf8;
            --color-surface: #ffffff;
            --color-text: #2d2d2d;
            --color-muted: #6b6b6b;
            --color-light-muted: #9a9a9a;
            --color-border: #e8e5df;
            --color-border-light: #f0ede7;
            --color-dark-bg: #14141f;
            --color-dark-surface: #1e1e2c;
            --color-tag-bg: #f5f2eb;
            --color-tag-text: #8b7355;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1), 0 8px 18px rgba(0, 0, 0, 0.06);
            --shadow-gold: 0 8px 28px rgba(201, 169, 110, 0.18);
            --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-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', Georgia, 'Times New Roman', serif;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        *,
        *::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-sans);
            font-size: 1rem;
            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;
        }

        input,
        textarea {
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* ===== Header / Nav Capsule ===== */
        .site-header {
            position: sticky;
            top: 14px;
            z-index: 1000;
            padding: 0 20px;
            pointer-events: none;
            margin-bottom: 0;
        }

        .site-header>* {
            pointer-events: auto;
        }

        .nav-capsule {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-full);
            padding: 10px 22px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(200, 195, 185, 0.35);
            gap: 18px;
            transition: all var(--transition-base);
        }

        .nav-capsule.scrolled {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.96);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

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

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-muted);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(26, 26, 46, 0.04);
        }

        .nav-links a.active {
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff !important;
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            box-shadow: 0 4px 14px rgba(26, 26, 46, 0.22);
        }

        .nav-cta:hover {
            background: #2a2a3e;
            box-shadow: 0 6px 20px rgba(26, 26, 46, 0.32);
            transform: translateY(-1px);
        }

        .nav-cta i {
            font-size: 0.78rem;
            transition: transform var(--transition-fast);
        }

        .nav-cta:hover i {
            transform: translateX(3px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            z-index: 1001;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform-origin: center;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 1024px) {
            .nav-links a {
                padding: 7px 11px;
                font-size: 0.84rem;
            }
            .nav-cta {
                padding: 8px 15px;
                font-size: 0.82rem;
                gap: 5px;
            }
            .nav-capsule {
                padding: 9px 16px;
                gap: 10px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 8px;
                padding: 0 10px;
            }
            .nav-capsule {
                padding: 10px 16px;
                border-radius: var(--radius-lg);
                gap: 12px;
            }
            .nav-links {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 12px;
                z-index: 999;
                opacity: 0;
                pointer-events: none;
                transition: opacity var(--transition-base);
                border-radius: 0;
            }
            .nav-links.open {
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                font-size: 1.12rem;
                padding: 12px 28px;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                padding: 8px 12px;
                border-radius: var(--radius-md);
            }
            .nav-logo {
                font-size: 1.1rem;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            min-height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            border-radius: var(--radius-lg);
            margin: 20px 28px 0;
            overflow: hidden;
            isolation: isolate;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(26, 26, 46, 0.55) 0%,
                    rgba(26, 26, 46, 0.35) 40%,
                    rgba(26, 26, 46, 0.6) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 60px 28px;
            max-width: 700px;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.06em;
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            line-height: 1.25;
            margin-bottom: 14px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.6;
            font-weight: 400;
            letter-spacing: 0.03em;
        }

        @media (max-width: 1024px) {
            .page-banner {
                min-height: 340px;
                margin: 16px 16px 0;
                border-radius: var(--radius-md);
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 280px;
                margin: 10px 10px 0;
                border-radius: var(--radius-sm);
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-content {
                padding: 40px 18px;
            }
            .page-banner .banner-badge {
                font-size: 0.78rem;
                padding: 5px 14px;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 240px;
                margin: 6px 6px 0;
                border-radius: var(--radius-sm);
            }
            .page-banner h1 {
                font-size: 1.4rem;
                letter-spacing: 0.02em;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ===== Sections ===== */
        .section {
            padding: 60px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-muted);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 36px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 38px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-desc {
                font-size: 0.95rem;
                margin-bottom: 24px;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ===== Intro Features (3-col icons) ===== */
        .intro-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 0;
        }

        .intro-feature-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            cursor: default;
        }

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

        .intro-feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(201, 169, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }

        .intro-feature-card:hover .feature-icon {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .intro-feature-card h3 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .intro-feature-card p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .intro-features {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .intro-feature-card {
                padding: 24px 18px;
            }
        }

        @media (max-width: 520px) {
            .intro-features {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ===== Articles Grid ===== */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

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

        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--color-border);
        }

        .article-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eae6df;
        }

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

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

        .article-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.76rem;
            font-weight: 600;
            color: var(--color-tag-text);
            letter-spacing: 0.05em;
            z-index: 2;
        }

        .article-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card .card-body h3 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.45;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .card-body p {
            font-size: 0.88rem;
            color: var(--color-muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .article-card .card-meta {
            font-size: 0.78rem;
            color: var(--color-light-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .article-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .articles-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .article-card .card-body {
                padding: 16px 16px 20px;
            }
            .article-card .card-body h3 {
                font-size: 1rem;
            }
        }

        /* ===== Featured Topics ===== */
        .topics-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .topic-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }

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

        .topic-card .topic-img-wrap {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: #eae6df;
            position: relative;
        }

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

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

        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(26, 26, 46, 0.7) 0%, transparent 55%);
            z-index: 1;
        }

        .topic-card .topic-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            padding: 28px 22px 20px;
            color: #fff;
        }

        .topic-card .topic-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 5px;
        }

        .topic-card .topic-info p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .topics-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .topics-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ===== Data Panel ===== */
        .data-panel {
            background: var(--color-dark-bg);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            color: #fff;
            box-shadow: var(--shadow-xl);
        }

        .stat-item {
            text-align: center;
            padding: 10px 8px;
        }

        .stat-item .stat-number {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.02em;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.04em;
            font-weight: 500;
        }

        .stat-item .stat-suffix {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 32px 22px;
                border-radius: var(--radius-lg);
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .data-panel {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 24px 16px;
                border-radius: var(--radius-md);
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .stat-item .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ===== Ranking List ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            counter-reset: ranking;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            transition: all var(--transition-base);
            cursor: pointer;
            counter-increment: ranking;
            box-shadow: var(--shadow-sm);
        }

        .ranking-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateX(4px);
        }

        .ranking-item .rank-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(201, 169, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-accent);
            font-family: var(--font-serif);
        }

        .ranking-item:nth-child(-n+3) .rank-num {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .ranking-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-item .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 3px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-item .rank-info p {
            font-size: 0.82rem;
            color: var(--color-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-item .rank-badge {
            flex-shrink: 0;
            font-size: 0.76rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            letter-spacing: 0.04em;
        }

        @media (max-width: 520px) {
            .ranking-item {
                padding: 14px 14px;
                gap: 12px;
            }
            .ranking-item .rank-num {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .ranking-item .rank-info h4 {
                font-size: 0.9rem;
            }
            .ranking-item .rank-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-item.open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.7;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 52px 44px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.12);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            pointer-events: none;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 26px;
            position: relative;
            z-index: 1;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-gold);
        }

        .cta-btn:hover {
            background: #b8954f;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(201, 169, 110, 0.3);
        }

        .cta-btn i {
            transition: transform var(--transition-fast);
        }

        .cta-btn:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 22px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-dark-bg);
            color: rgba(255, 255, 255, 0.75);
            padding: 52px 0 28px;
            margin-top: 40px;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .site-footer {
                padding: 36px 0 20px;
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mt-sm {
            margin-top: 12px;
        }
        .mt-md {
            margin-top: 24px;
        }
        .mb-sm {
            margin-bottom: 12px;
        }

/* roulang page: category4 */
:root {
            --color-primary: #0f1729;
            --color-primary-light: #1a2744;
            --color-accent: #c8a45c;
            --color-accent-hover: #d4b36a;
            --color-accent-subtle: rgba(200, 164, 92, 0.12);
            --color-accent-pale: rgba(200, 164, 92, 0.06);
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-surface: #ffffff;
            --color-text: #1c1c1e;
            --color-text-strong: #0f0f11;
            --color-text-weak: #6b6b70;
            --color-text-muted: #9a9a9f;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-tag-bg: #f5f1ea;
            --color-tag-text: #5c4a2e;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 3px rgba(15, 23, 41, 0.04);
            --shadow-sm: 0 2px 8px rgba(15, 23, 41, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 41, 0.09);
            --shadow-lg: 0 14px 44px rgba(15, 23, 41, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 23, 41, 0.15);
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', 'Georgia', 'Times New Roman', serif;
            --transition-fast: 0.18s ease-out;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --max-width: 1240px;
            --nav-height: 64px;
        }

        *,
        *::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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        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,
        button {
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: var(--color-text-strong);
        }

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

        /* ========== HEADER / NAV CAPSULE ========== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 40px);
            max-width: var(--max-width);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            top: 6px;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-full);
            padding: 10px 18px 10px 24px;
            box-shadow: var(--shadow-md);
            gap: var(--space-md);
            transition: all var(--transition-smooth);
        }

        .nav-capsule:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }

        .nav-logo {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-links a:hover {
            color: var(--color-text);
            background: var(--color-accent-pale);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-accent-subtle);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #ffffff !important;
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.03em;
            transition: all var(--transition-bounce);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .nav-cta i {
            font-size: 0.78rem;
            transition: transform var(--transition-fast);
        }

        .nav-cta:hover i {
            transform: translateX(3px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--color-accent-pale);
        }

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

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 60%, rgba(26, 39, 68, 0.7) 100%);
            overflow: hidden;
            color: #ffffff;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.25;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 41, 0.55) 0%, rgba(15, 23, 41, 0.7) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            background: rgba(200, 164, 92, 0.2);
            border: 1px solid rgba(200, 164, 92, 0.35);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: var(--space-md);
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ========== MAIN CONTENT ========== */
        .main-content {
            padding: var(--space-2xl) 0 var(--space-3xl);
        }

        /* Filter Tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: var(--space-xl);
            justify-content: center;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-tag-text);
            background: var(--color-tag-bg);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .filter-tag:hover {
            background: var(--color-accent-pale);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

        .filter-tag.active {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        /* Articles Grid */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
            margin-bottom: var(--space-2xl);
        }

        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .article-card.featured {
            grid-column: span 2;
            flex-direction: row;
        }

        .article-card .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            flex-shrink: 0;
        }

        .article-card.featured .card-image {
            aspect-ratio: auto;
            width: 48%;
            min-height: 320px;
        }

        .article-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .article-card:hover .card-image img {
            transform: scale(1.04);
        }

        .article-card .card-image .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: rgba(15, 23, 41, 0.8);
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            backdrop-filter: blur(6px);
        }

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

        .article-card.featured .card-body {
            padding: var(--space-lg) var(--space-xl);
            justify-content: center;
            flex: 1;
        }

        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: var(--space-xs);
        }

        .article-card .card-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-border);
        }

        .article-card .card-title {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: var(--space-xs);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .article-card.featured .card-title {
            font-size: 1.5rem;
            -webkit-line-clamp: 3;
        }

        .article-card:hover .card-title {
            color: var(--color-accent);
        }

        .article-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--space-sm);
        }

        .article-card.featured .card-excerpt {
            -webkit-line-clamp: 3;
        }

        .article-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: auto;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .article-card .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .article-card .card-link:hover {
            color: var(--color-accent);
        }

        .article-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== DEEP READ SECTION ========== */
        .deep-read-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl) var(--space-xl);
            margin-bottom: var(--space-2xl);
            position: relative;
            overflow: hidden;
        }

        .deep-read-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/coverpic/cover-7.webp');
            background-size: cover;
            background-position: center 40%;
            opacity: 0.12;
            z-index: 0;
        }

        .deep-read-section .container-inner {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .deep-read-section .section-label {
            display: inline-block;
            padding: 5px 16px;
            border-radius: var(--radius-full);
            background: rgba(200, 164, 92, 0.2);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.07em;
            margin-bottom: var(--space-md);
        }

        .deep-read-section h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            color: #ffffff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.03em;
        }

        .deep-read-section .deep-desc {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--space-lg);
            line-height: 1.7;
        }

        .deep-read-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
            text-align: left;
        }

        .deep-read-item {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: var(--space-md) var(--space-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .deep-read-item:hover {
            background: rgba(255, 255, 255, 0.11);
            border-color: rgba(200, 164, 92, 0.35);
        }

        .deep-read-item h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .deep-read-item .deep-meta {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
        }

        /* ========== DATA SNAPSHOT ========== */
        .data-snapshot {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            margin-bottom: var(--space-2xl);
        }

        .data-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .data-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .data-card .data-number {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 4px;
            line-height: 1;
        }

        .data-card .data-number .accent {
            color: var(--color-accent);
        }

        .data-card .data-label {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            letter-spacing: 0.02em;
        }

        /* ========== NEWSLETTER CTA ========== */
        .newsletter-cta {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl) var(--space-xl);
            text-align: center;
            border: 1px solid var(--color-border-light);
            margin-bottom: var(--space-lg);
        }

        .newsletter-cta h3 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            color: var(--color-text-strong);
            margin-bottom: var(--space-xs);
            letter-spacing: 0.03em;
        }

        .newsletter-cta .nl-desc {
            color: var(--color-text-weak);
            margin-bottom: var(--space-lg);
            font-size: 0.95rem;
        }

        .newsletter-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
        }

        .newsletter-form input {
            flex: 1;
            padding: 13px 20px;
            border-radius: var(--radius-full);
            border: 1px solid var(--color-border);
            font-size: 0.9rem;
            background: var(--color-surface);
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .newsletter-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px var(--color-accent-subtle);
        }

        .newsletter-form button {
            padding: 13px 28px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-bounce);
            white-space: nowrap;
        }

        .newsletter-form button:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: var(--space-2xl);
        }

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

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-card.featured {
                grid-column: span 2;
                flex-direction: column;
            }
            .article-card.featured .card-image {
                width: 100%;
                min-height: 220px;
                aspect-ratio: 16 / 9;
            }
            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .deep-read-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 8px;
                width: calc(100% - 20px);
            }
            .nav-capsule {
                padding: 10px 14px 10px 18px;
                gap: var(--space-sm);
            }
            .nav-links {
                position: fixed;
                top: 75px;
                left: 10px;
                right: 10px;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                border-radius: var(--radius-lg);
                padding: var(--space-md);
                box-shadow: var(--shadow-xl);
                border: 1px solid var(--color-border-light);
                gap: 2px;
                transform: translateY(-12px);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                padding: 12px 18px;
                font-size: 0.95rem;
                width: 100%;
                border-radius: var(--radius-md);
            }
            .nav-cta {
                font-size: 0.82rem;
                padding: 8px 16px;
                gap: 4px;
            }
            .nav-toggle {
                display: flex;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .article-card.featured {
                grid-column: span 1;
            }
            .page-banner {
                padding: 120px 0 56px;
            }
            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
            .data-card {
                padding: var(--space-md);
            }
            .data-card .data-number {
                font-size: 1.8rem;
            }
            .newsletter-form {
                flex-direction: column;
                max-width: 100%;
            }
            .newsletter-form button {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .filter-tags {
                gap: 8px;
            }
            .filter-tag {
                padding: 7px 15px;
                font-size: 0.8rem;
            }
            .deep-read-section {
                padding: var(--space-xl) var(--space-md);
                border-radius: var(--radius-lg);
            }
            .container {
                padding: 0 var(--space-md);
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .article-card .card-body {
                padding: var(--space-sm) var(--space-md) var(--space-md);
            }
            .article-card .card-title {
                font-size: 1rem;
            }
            .article-card.featured .card-title {
                font-size: 1.2rem;
            }
            .data-snapshot {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-xs);
            }
            .data-card .data-number {
                font-size: 1.5rem;
            }
            .data-card .data-label {
                font-size: 0.72rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-cta {
                padding: 7px 14px;
                font-size: 0.76rem;
            }
        }