/* roulang page: index */
:root {
            --color-primary: #1c1c1e;
            --color-accent: #c4a265;
            --color-accent-hover: #b0894f;
            --color-bg: #fafaf7;
            --color-bg-alt: #f3f0eb;
            --color-bg-dark: #1a1a1d;
            --color-bg-darker: #111112;
            --color-text: #1c1c1e;
            --color-text-light: #5c5c5e;
            --color-text-on-dark: #e8e8e6;
            --color-text-muted: #8a8a88;
            --color-border: #e0ded8;
            --color-border-light: #ebe9e3;
            --color-white: #ffffff;
            --color-tag-bg: #f5f3ee;
            --color-tag-text: #7a6d5c;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --font-heading: 'Georgia', 'Times New Roman', 'STSong', 'Songti SC', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 68px;
            --max-width: 1280px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-text-size-adjust: 100%;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        input {
            font-family: var(--font-body);
            outline: none;
        }
        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: clamp(2rem, 4.5vw, 3.2rem);
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.25rem;
            letter-spacing: -0.005em;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            transition: box-shadow var(--transition-smooth);
            height: var(--nav-height);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }

        .logo-wrap {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent) 0%, #d4b87a 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #1c1c1e;
            font-weight: 700;
            font-family: var(--font-heading);
            letter-spacing: -0.03em;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: #e8e8e6;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo-wrap a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-wrap a:hover {
            color: inherit;
            opacity: 0.9;
        }

        .nav-desktop {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 1024px) {
            .nav-desktop {
                display: flex;
            }
        }
        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c4c4c2;
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-desktop a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-desktop a.active {
            color: #ffffff;
            background: rgba(196, 162, 101, 0.18);
            font-weight: 600;
        }
        .nav-cta {
            display: none;
            margin-left: 16px;
        }
        @media (min-width: 1024px) {
            .nav-cta {
                display: inline-flex;
            }
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 24px;
            background: var(--color-accent);
            color: #1c1c1e !important;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(196, 162, 101, 0.3);
        }
        .btn-nav-cta:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(196, 162, 101, 0.45);
            transform: translateY(-1px);
            color: #1c1c1e !important;
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #e8e8e6;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.4);
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg-dark);
            z-index: 999;
            flex-direction: column;
            padding: var(--spacing-md);
            gap: 6px;
            overflow-y: auto;
        }
        .mobile-nav-panel.is-open {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: #c4c4c2;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.1);
        }
        .mobile-nav-panel a.active {
            background: rgba(196, 162, 101, 0.12);
            color: #ffffff;
            border-color: rgba(196, 162, 101, 0.3);
            font-weight: 600;
        }
        .mobile-nav-panel .mobile-cta {
            margin-top: 12px;
            display: block;
            text-align: center;
            padding: 14px;
            border-radius: 28px;
            background: var(--color-accent);
            color: #1c1c1e !important;
            font-weight: 600;
            font-size: 0.95rem;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-darker);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .hero-section {
                min-height: 680px;
            }
        }
        @media (min-width: 1024px) {
            .hero-section {
                min-height: 760px;
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(17, 17, 18, 0.55) 0%,
                    rgba(17, 17, 18, 0.7) 40%,
                    rgba(17, 17, 18, 0.85) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            max-width: 720px;
        }
        .hero-eyebrow {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(196, 162, 101, 0.2);
            color: #d4b87a;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-md);
            border: 1px solid rgba(196, 162, 101, 0.3);
        }
        .hero-title {
            color: #ffffff;
            font-size: clamp(2rem, 5vw, 3.6rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        .hero-subtitle {
            color: #d4d4d0;
            font-size: clamp(1rem, 1.8vw, 1.2rem);
            font-weight: 400;
            line-height: 1.6;
            margin-bottom: var(--spacing-lg);
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            background: var(--color-accent);
            color: #1c1c1e;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-md);
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #1c1c1e;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 28px;
            background: transparent;
            color: #ffffff;
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-smooth);
        }
        .btn-hero-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        @media (max-width: 767px) {
            .section {
                padding: var(--spacing-xl) 0;
            }
        }
        .section-alt {
            background-color: var(--color-bg-alt);
        }
        .section-dark {
            background-color: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #ffffff;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            margin-bottom: var(--spacing-xs);
        }
        .section-header .section-subtitle {
            color: var(--color-text-light);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto;
        }
        .section-dark .section-subtitle {
            color: var(--color-text-muted);
        }

        /* ========== BRAND MATRIX ========== */
        .brand-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .brand-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .brand-grid {
                grid-template-columns: repeat(6, 1fr);
                gap: var(--spacing-sm);
            }
        }
        .brand-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .brand-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            transform: translateY(-4px);
        }
        .brand-card-img {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto var(--spacing-sm);
            object-fit: cover;
            border: 2px solid var(--color-border-light);
            transition: border-color var(--transition-fast);
        }
        .brand-card:hover .brand-card-img {
            border-color: var(--color-accent);
        }
        .brand-card-name {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .brand-card-type {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        /* ========== DATA DASHBOARD ========== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .data-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .data-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .data-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .data-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            font-weight: 500;
        }
        .data-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            color: #5a8a6a;
            font-weight: 600;
            margin-top: 4px;
        }
        .data-trend.up {
            color: #5a8a6a;
        }
        .data-trend i {
            font-size: 0.7rem;
        }

        /* ========== SERVICE ENTRY ========== */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .service-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            cursor: pointer;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: 1.1rem;
            margin: 0;
        }
        .service-card p {
            color: var(--color-text-light);
            font-size: 0.9rem;
            margin: 0;
            flex-grow: 1;
        }
        .service-link {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .service-card:hover .service-link {
            gap: 8px;
        }

        /* ========== NEWS LIST ========== */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .news-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .news-card-body {
            padding: var(--spacing-md);
        }
        .news-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: 0.72rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .news-card h3 {
            font-size: 1rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== BRAND STORY ========== */
        .story-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        @media (min-width: 768px) {
            .story-block {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
        }
        .story-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-text h2 {
            margin-bottom: var(--spacing-sm);
        }
        .story-text p {
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--color-accent);
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
        }
        .btn-text:hover {
            gap: 10px;
            color: var(--color-accent-hover);
        }

        /* ========== MOBILE EXPERIENCE ========== */
        .mobile-showcase {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        @media (min-width: 768px) {
            .mobile-showcase {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }
        }
        .mobile-mockup {
            display: flex;
            justify-content: center;
            gap: var(--spacing-sm);
        }
        .mobile-screen {
            width: 160px;
            height: 320px;
            border-radius: 20px;
            background: var(--color-bg-dark);
            border: 3px solid #333;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .mobile-screen img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .mobile-features {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .mobile-feature-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .mobile-feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(196, 162, 101, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-accent);
            font-size: 1rem;
        }
        .mobile-feature-item h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
            color: #fff;
        }
        .mobile-feature-item p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ========== SUSTAINABILITY ========== */
        .sustain-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .sustain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .sustain-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .sustain-card {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-smooth);
            text-align: center;
        }
        .sustain-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(196, 162, 101, 0.3);
            transform: translateY(-3px);
        }
        .sustain-icon {
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
            color: var(--color-accent);
        }
        .sustain-card h3 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .sustain-card p {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md);
            background: transparent;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 var(--spacing-md);
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a1d 0%, #252528 100%);
            text-align: center;
            padding: var(--spacing-2xl) var(--spacing-md);
        }
        .cta-section h2 {
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            color: #c4c4c2;
            max-width: 500px;
            margin: 0 auto var(--spacing-lg);
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 36px;
            border-radius: 30px;
            background: var(--color-accent);
            color: #1c1c1e;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-lg);
        }
        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
            color: #1c1c1e;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-darker);
            color: #a0a09e;
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .footer-col h4 {
            color: #e8e8e6;
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
            font-family: var(--font-body);
            font-weight: 600;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: #a0a09e;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.78rem;
            color: #6a6a68;
        }
        .footer-bottom .footer-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            color: #c4c4c2;
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .footer-disclaimer {
            font-size: 0.72rem;
            color: #5a5a58;
            max-width: 700px;
            margin: 8px auto 0;
            line-height: 1.5;
        }

        /* ========== RESPONSIVE FINE-TUNING ========== */
        @media (max-width: 767px) {
            .hero-section {
                min-height: 480px;
            }
            .data-number {
                font-size: 1.8rem;
            }
            .brand-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .brand-card {
                padding: var(--spacing-sm);
            }
            .brand-card-img {
                width: 48px;
                height: 48px;
            }
            .brand-card-name {
                font-size: 0.8rem;
            }
            .news-card-img {
                height: 160px;
            }
            .mobile-screen {
                width: 120px;
                height: 240px;
            }
        }
        @media (max-width: 520px) {
            .brand-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-card {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .data-number {
                font-size: 1.5rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1d2e;
            --color-primary-light: #2a2f45;
            --color-accent: #c8a45c;
            --color-accent-light: #d9ba7a;
            --color-accent-dark: #a8883e;
            --color-surface: #ffffff;
            --color-surface-alt: #f7f5f1;
            --color-surface-warm: #fdfaf5;
            --color-text: #2c2c2c;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece5;
            --color-success: #4a7c59;
            --color-warm-bg: #f9f6ef;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.13);
            --shadow-warm: 0 8px 28px rgba(160, 120, 50, 0.10);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.85rem;
            --spacing-md: 1.4rem;
            --spacing-lg: 2.2rem;
            --spacing-xl: 3.2rem;
            --spacing-2xl: 4.8rem;
            --font-heading: 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --font-body: 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

        input,
        button {
            outline: none;
        }

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }

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

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 62px;
            gap: 20px;
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 54px;
                padding: 0 14px;
                gap: 12px;
            }
        }

        .logo-wrap a {
            display: flex;
            align-items: center;
            gap: 9px;
            text-decoration: none;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            border-radius: var(--radius-sm);
            letter-spacing: 0;
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .logo-wrap a:hover .logo-icon {
            background: var(--color-accent-dark);
        }

        .logo-text {
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-primary);
            white-space: nowrap;
            font-family: var(--font-heading);
        }

        @media (max-width: 520px) {
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 5px;
            }
            .logo-text {
                font-size: 0.9rem;
            }
        }

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

        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .nav-desktop a:hover {
            color: var(--color-primary);
            background: var(--color-surface-alt);
        }

        .nav-desktop a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: var(--color-surface-warm);
        }

        @media (max-width: 960px) {
            .nav-desktop {
                display: none;
            }
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border-radius: 22px;
            white-space: nowrap;
            transition: all var(--transition-bounce);
            letter-spacing: 0.02em;
            border: none;
            flex-shrink: 0;
        }

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

        .btn-nav-cta:active {
            transform: scale(0.96);
        }

        @media (max-width: 960px) {
            .nav-cta {
                display: none;
            }
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: var(--color-surface-alt);
        }

        @media (max-width: 960px) {
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        .mobile-nav-panel {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 12px 20px 20px;
            background: #fff;
            border-top: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        @media (min-width: 961px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }

        .mobile-nav-panel a {
            display: block;
            padding: 11px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover {
            background: var(--color-surface-alt);
            color: var(--color-primary);
        }

        .mobile-nav-panel a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: var(--color-surface-warm);
        }

        .mobile-nav-panel .mobile-cta {
            margin-top: 8px;
            text-align: center;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            border-radius: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
        }

        .mobile-nav-panel .mobile-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: var(--color-primary-light);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 29, 46, 0.82) 0%, rgba(26, 29, 46, 0.5) 50%, rgba(40, 30, 20, 0.55) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }

        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200, 164, 92, 0.2);
            border: 1px solid rgba(200, 164, 92, 0.4);
            color: var(--color-accent-light);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            line-height: 1.2;
        }

        .page-banner .banner-subtitle {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 580px;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .page-banner .banner-content {
                padding: 40px 0;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.85rem;
            }
            .page-banner .banner-badge {
                font-size: 0.72rem;
                padding: 5px 12px;
            }
        }

        /* Section Styles */
        .section {
            padding: var(--spacing-2xl) 0;
        }

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

        .section-warm {
            background: var(--color-surface-warm);
        }

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

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

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .section-header .section-desc {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-dark .section-header .section-tag {
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .section-header {
                margin-bottom: var(--spacing-lg);
            }
        }

        /* Craft Overview */
        .craft-overview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        @media (max-width: 768px) {
            .craft-overview-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
        }

        .craft-overview-text h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .craft-overview-text p {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .craft-overview-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
            position: relative;
        }

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

        .craft-overview-image:hover img {
            transform: scale(1.04);
        }

        .highlight-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .highlight-stat {
            text-align: center;
            padding: 16px 20px;
            background: var(--color-surface-warm);
            border-radius: var(--radius-md);
            min-width: 90px;
            border: 1px solid var(--color-border-light);
        }

        .highlight-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            font-family: var(--font-heading);
        }

        .highlight-stat .stat-label {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        /* Craft Cards Grid */
        .craft-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 900px) {
            .craft-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .craft-cards-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
        }

        .craft-card {
            background: #fff;
            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;
        }

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

        .craft-card-image {
            aspect-ratio: 3 / 2;
            overflow: hidden;
            position: relative;
        }

        .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-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .craft-card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            background: var(--color-surface-warm);
            padding: 4px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .craft-card h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .craft-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
        }

        .craft-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            margin-top: 14px;
            transition: gap var(--transition-fast);
        }

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

        .craft-card-link:hover {
            gap: 10px;
        }
        .craft-card-link:hover i {
            transform: translateX(3px);
        }

        /* Deep Content Block */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: var(--spacing-xl);
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        @media (max-width: 768px) {
            .deep-content-block {
                grid-template-columns: 1fr;
            }
        }

        .deep-content-image {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            min-height: 100%;
        }

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

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

        .deep-content-text {
            padding: 32px 28px;
        }

        @media (max-width: 768px) {
            .deep-content-text {
                padding: 20px 18px;
            }
        }

        .deep-content-text h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .deep-content-text p {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .deep-content-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 16px;
        }

        .deep-content-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

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

        /* Stats Ribbon */
        .stats-ribbon {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .stats-ribbon {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 420px) {
            .stats-ribbon {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }

        .stat-ribbon-item {
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition-smooth);
        }

        .stat-ribbon-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .stat-ribbon-item .ribbon-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent-light);
            font-family: var(--font-heading);
            line-height: 1;
        }

        .stat-ribbon-item .ribbon-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .news-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateX(3px);
        }

        .news-list-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-surface-alt);
        }

        .news-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-list-info {
            flex: 1;
            min-width: 0;
        }

        .news-list-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-list-info .news-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        @media (max-width: 520px) {
            .news-list-item {
                flex-direction: column;
                gap: 10px;
                padding: 14px;
            }
            .news-list-thumb {
                width: 100%;
                height: 140px;
                border-radius: var(--radius-sm);
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: none;
            border: none;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            cursor: pointer;
            gap: 12px;
            font-family: inherit;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: var(--color-surface-warm);
        }

        .faq-question i {
            font-size: 0.75rem;
            color: var(--color-accent);
            transition: transform var(--transition-smooth);
            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);
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            text-align: center;
            padding: var(--spacing-2xl) 0;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            max-width: 500px;
            margin: 0 auto 22px;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border-radius: 28px;
            transition: all var(--transition-bounce);
            letter-spacing: 0.03em;
            border: none;
        }

        .btn-cta-large:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-warm);
        }

        .btn-cta-large:active {
            transform: scale(0.95);
        }

        .btn-outline-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            background: transparent;
            border: 2px solid var(--color-accent);
            border-radius: 28px;
            transition: all var(--transition-bounce);
            letter-spacing: 0.03em;
            margin-left: 12px;
        }

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

        @media (max-width: 520px) {
            .btn-outline-large {
                margin-left: 0;
                margin-top: 10px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-2xl) 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: var(--spacing-xl);
        }

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

        @media (max-width: 420px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

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

        .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            margin-bottom: 4px;
        }

        .footer-disclaimer {
            font-size: 0.75rem !important;
            color: rgba(255, 255, 255, 0.35) !important;
            max-width: 620px;
            margin: 10px auto 0 !important;
            line-height: 1.5;
        }

        /* Utility */
        .text-accent {
            color: var(--color-accent-dark);
        }
        .mt-sm {
            margin-top: var(--spacing-sm);
        }
        .mt-md {
            margin-top: var(--spacing-md);
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .text-center {
            text-align: center;
        }

/* roulang page: category4 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1a3c34;
            --color-primary-light: #2d5a4f;
            --color-accent: #c8a96e;
            --color-accent-light: #dcc89a;
            --color-bg: #faf8f5;
            --color-bg-alt: #f2efe8;
            --color-bg-dark: #1a2220;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #8a8a8a;
            --color-border: #e0dcd4;
            --color-border-light: #ede9e0;
            --color-white: #ffffff;
            --color-success: #3d8b6e;
            --color-tag-bg: #e8f0ec;
            --color-tag-text: #1a3c34;

            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;

            --shadow-sm: 0 1px 4px rgba(26, 60, 52, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 60, 52, 0.09);
            --shadow-lg: 0 8px 32px rgba(26, 60, 52, 0.12);
            --shadow-xl: 0 16px 48px rgba(26, 60, 52, 0.16);
            --shadow-card-hover: 0 12px 36px rgba(26, 60, 52, 0.15);

            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1rem;
            --space-lg: 1.5rem;
            --space-xl: 2rem;
            --space-2xl: 2.5rem;
            --space-3xl: 3rem;
            --space-4xl: 4rem;
            --space-5xl: 5rem;

            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;

            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        input,
        button {
            font-family: inherit;
        }

        /* ========== 容器 ========== */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-xl);
        }

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

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

        /* ========== Header / 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

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

        .logo-wrap a {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            text-decoration: none;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            letter-spacing: 0;
        }

        .logo-text {
            font-size: 1.15rem;
            letter-spacing: 0.03em;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-desktop a {
            display: inline-block;
            padding: 0.5rem 1rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-desktop a:hover {
            color: var(--color-primary);
            background: var(--color-tag-bg);
        }

        .nav-desktop a.active {
            color: var(--color-primary);
            background: var(--color-tag-bg);
            font-weight: 600;
            position: relative;
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.3rem;
            background: var(--color-primary);
            color: #fff !important;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
        }

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

        .mobile-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 0.5rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-tag-bg);
        }

        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            padding: var(--space-lg);
            flex-direction: column;
            gap: var(--space-xs);
            z-index: 999;
        }

        .mobile-nav-panel.is-open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--color-tag-bg);
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-nav-panel .mobile-cta {
            margin-top: var(--space-sm);
            text-align: center;
            background: var(--color-primary);
            color: #fff !important;
            border-radius: 50px;
            font-weight: 600;
            padding: 0.8rem 1.5rem;
        }

        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 0;
            }
            .nav-desktop a {
                padding: 0.45rem 0.7rem;
                font-size: 0.85rem;
            }
            .btn-nav-cta {
                padding: 0.5rem 1rem;
                font-size: 0.82rem;
            }
            .logo-text {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .btn-nav-cta.nav-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                padding: 0 var(--space-md);
            }
            .site-header {
                height: 62px;
            }
            :root {
                --header-height: 62px;
            }
        }

        /* ========== 板块间距 ========== */
        .section-padding {
            padding: var(--space-5xl) 0;
        }

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

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

        /* ========== Banner 区域 ========== */
        .page-banner {
            position: relative;
            padding: var(--space-5xl) 0;
            background: var(--color-primary) url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 60, 52, 0.85) 0%, rgba(26, 60, 52, 0.7) 40%, rgba(45, 90, 79, 0.65) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .page-banner .banner-tag {
            display: inline-block;
            padding: 0.35rem 1rem;
            background: rgba(200, 169, 110, 0.25);
            color: var(--color-accent-light);
            border: 1px solid rgba(200, 169, 110, 0.4);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-lg);
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1.25;
            margin-bottom: var(--space-md);
        }

        .page-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 300px;
                padding: var(--space-3xl) 0;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 260px;
                padding: var(--space-2xl) 0;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
        }

        /* ========== 板块标题 ========== */
        .section-title-wrap {
            text-align: center;
            margin-bottom: var(--space-3xl);
        }

        .section-title-wrap .section-label {
            display: inline-block;
            padding: 0.3rem 1rem;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }

        .section-title-wrap h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: var(--space-sm);
        }

        .section-title-wrap .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .section-title-wrap h2 {
                font-size: 1.6rem;
            }
        }

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

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

        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }

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

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

        .card-custom .card-tag {
            position: absolute;
            top: var(--space-md);
            left: var(--space-md);
            padding: 0.3rem 0.8rem;
            background: rgba(26, 60, 52, 0.85);
            color: #fff;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            z-index: 2;
        }

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

        .card-custom .card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
            line-height: 1.35;
        }

        .card-custom .card-body p {
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.65;
            flex: 1;
            letter-spacing: 0.015em;
        }

        .card-custom .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            margin-top: var(--space-md);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
        }

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

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

        /* ========== 列表卡片（资讯型） ========== */
        .info-list-card {
            display: flex;
            gap: var(--space-lg);
            padding: var(--space-lg);
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            align-items: flex-start;
        }

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

        .info-list-card .info-thumb {
            width: 140px;
            height: 100px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-bg-alt);
        }

        .info-list-card .info-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .info-list-card .info-body {
            flex: 1;
            min-width: 0;
        }

        .info-list-card .info-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            letter-spacing: 0.04em;
            margin-bottom: var(--space-xs);
        }

        .info-list-card .info-body h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--space-xs);
            letter-spacing: 0.02em;
            line-height: 1.35;
        }

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

        @media (max-width: 520px) {
            .info-list-card {
                flex-direction: column;
                gap: var(--space-md);
            }
            .info-list-card .info-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* ========== 数据展示卡片 ========== */
        .stat-card {
            text-align: center;
            padding: var(--space-xl);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

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

        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .stat-card .stat-suffix {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-weak);
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-top: var(--space-xs);
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ========== 标签 / 徽章 ========== */
        .badge-tag {
            display: inline-block;
            padding: 0.3rem 0.75rem;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        .badge-accent {
            display: inline-block;
            padding: 0.3rem 0.75rem;
            background: rgba(200, 169, 110, 0.15);
            color: var(--color-accent);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            border: 1px solid rgba(200, 169, 110, 0.3);
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            text-decoration: none;
            border: 2px solid var(--color-primary);
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-light);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            background: transparent;
            color: var(--color-primary);
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            text-decoration: none;
            border: 2px solid var(--color-primary);
            cursor: pointer;
            line-height: 1.4;
        }

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

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            text-decoration: none;
            border: 2px solid var(--color-accent);
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-accent:hover {
            background: #b8945a;
            border-color: #b8945a;
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        /* ========== FAQ 折叠 ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

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

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

        .faq-question:hover {
            color: var(--color-primary-light);
            background: var(--color-tag-bg);
        }

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

        .faq-item.is-active .faq-question .faq-icon {
            transform: rotate(180deg);
        }

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

        .faq-item.is-active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 var(--space-lg) var(--space-lg);
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            letter-spacing: 0.015em;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(200, 169, 110, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(200, 169, 110, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-md);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-xl);
            letter-spacing: 0.02em;
        }

        .cta-section .btn-accent {
            font-size: 1rem;
            padding: 0.85rem 2.2rem;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ========== 图片遮罩层 ========== */
        .img-overlay-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .img-overlay-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }

        .img-overlay-wrap .overlay-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--space-lg);
            background: linear-gradient(transparent, rgba(26, 60, 52, 0.85));
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        /* ========== 分隔线 ========== */
        .divider-custom {
            height: 1px;
            background: var(--color-border-light);
            margin: var(--space-3xl) 0;
            border: none;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--space-4xl) 0 var(--space-xl);
            font-size: 0.9rem;
            letter-spacing: 0.015em;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-2xl);
            margin-bottom: var(--space-3xl);
        }

        .site-footer .footer-col h4 {
            font-family: var(--font-heading);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: var(--space-md);
            letter-spacing: 0.04em;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer .footer-logo {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.05em;
        }

        .site-footer .footer-bottom p {
            margin: 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.02em;
        }

        .site-footer .footer-disclaimer {
            margin-top: var(--space-sm);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-xl);
            }
        }

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

        /* ========== 响应式网格辅助 ========== */
        .grid-3col {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-xl);
        }

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

        .grid-2col {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-xl);
        }

        @media (max-width: 1024px) {
            .grid-3col {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4col {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .grid-3col {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .grid-4col {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .grid-2col {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
        }

        @media (max-width: 520px) {
            .grid-3col {
                grid-template-columns: 1fr;
            }
            .grid-4col {
                grid-template-columns: 1fr 1fr;
            }
            .grid-2col {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Foundation 覆盖 ========== */
        .grid-container {
            max-width: var(--max-width);
            padding: 0 var(--space-xl);
        }

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

        /* ========== 品牌承诺区 ========== */
        .promise-block {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: var(--space-3xl);
            position: relative;
            overflow: hidden;
        }

        .promise-block::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            background: rgba(200, 169, 110, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .promise-block .promise-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
            position: relative;
            z-index: 1;
        }

        .promise-block .promise-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
        }

        .promise-block .promise-item .promise-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            background: var(--color-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            box-shadow: var(--shadow-sm);
        }

        .promise-block .promise-item h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }

        .promise-block .promise-item p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.55;
            letter-spacing: 0.015em;
            margin: 0;
        }

        @media (max-width: 768px) {
            .promise-block .promise-list {
                grid-template-columns: 1fr;
            }
            .promise-block {
                padding: var(--space-xl);
            }
        }

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

        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .btn-accent:focus-visible {
            outline: 3px solid var(--color-accent-light);
            outline-offset: 3px;
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a1a;
            --color-primary-light: #2c2c2c;
            --color-accent: #c8a96e;
            --color-accent-light: #d4b97f;
            --color-accent-dark: #b8934f;
            --color-accent-subtle: #f7f2e8;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f1eb;
            --color-bg-dark: #1a1a1a;
            --color-surface: #ffffff;
            --color-text: #1a1a1a;
            --color-text-secondary: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-text-on-dark: #f0ede6;
            --color-border: #e5e2da;
            --color-border-light: #f0ede6;
            --color-border-accent: #d4c9a8;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
            --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.13);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', 'PingFang SC', serif;
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --header-height: 72px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --spacing-3xl: 96px;
        }

        *,
        *::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;
        }

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

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

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

        ul {
            list-style: none;
        }

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

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

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-smooth);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

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

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

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

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            color: #fff;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            white-space: nowrap;
        }

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

        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }

        .nav-desktop a:hover {
            color: var(--color-primary);
            background: var(--color-accent-subtle);
        }

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

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--color-primary);
            border-radius: 30px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            border: 2px solid var(--color-primary);
        }

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

        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            background: transparent;
        }

        .mobile-toggle:hover {
            background: var(--color-accent-subtle);
            color: var(--color-accent-dark);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 16px 20px 24px;
            flex-direction: column;
            gap: 4px;
            z-index: 999;
            box-shadow: var(--shadow-lg);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            animation: slideDown 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: flex;
            align-items: center;
            padding: 13px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover {
            background: var(--color-accent-subtle);
            color: var(--color-primary);
        }

        .mobile-nav-panel a.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: var(--color-accent-subtle);
        }

        .mobile-nav-panel .mobile-cta {
            margin-top: 8px;
            background: var(--color-primary);
            color: #fff;
            justify-content: center;
            font-weight: 600;
            border-radius: 30px;
            padding: 14px 20px;
            gap: 8px;
        }

        .mobile-nav-panel .mobile-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            overflow: hidden;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.55) 0%, rgba(26, 26, 26, 0.7) 60%, rgba(26, 26, 26, 0.85) 100%);
            z-index: 1;
        }

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

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(240, 237, 230, 0.7);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .banner-breadcrumb a {
            color: rgba(240, 237, 230, 0.8);
            transition: color var(--transition-fast);
        }

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

        .banner-breadcrumb .sep {
            font-size: 10px;
            opacity: 0.5;
        }

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

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }

        .page-banner .banner-subtitle {
            font-size: 17px;
            color: rgba(240, 237, 230, 0.85);
            max-width: 600px;
            line-height: 1.6;
            font-weight: 400;
            letter-spacing: 0.02em;
        }

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

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-xs);
            line-height: 1.3;
        }

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            margin-bottom: var(--spacing-xs);
            padding: 4px 12px;
            background: var(--color-accent-subtle);
            border-radius: 20px;
        }

        .section-dark .section-header .section-tag {
            background: rgba(200, 169, 110, 0.2);
            color: var(--color-accent-light);
        }

        .section-header .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header .section-desc {
            color: rgba(240, 237, 230, 0.7);
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }

        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card-brand {
            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;
            height: 100%;
        }

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

        .card-brand .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }

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

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

        .card-brand .card-img-overlay {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(26, 26, 26, 0.75);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            backdrop-filter: blur(6px);
        }

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

        .card-brand .card-body h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .card-brand .card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .card-brand .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--color-accent-dark);
            transition: gap var(--transition-fast);
            letter-spacing: 0.02em;
        }

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

        .card-brand .card-body .card-link i {
            font-size: 11px;
            transition: transform var(--transition-fast);
        }

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

        /* ========== INSIGHT LIST ========== */
        .insight-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .insight-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

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

        .insight-item .insight-num {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            min-width: 48px;
            text-align: center;
            flex-shrink: 0;
        }

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

        .insight-item .insight-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }

        .insight-item .insight-info p {
            font-size: 13.5px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .insight-item .insight-arrow {
            color: var(--color-accent);
            font-size: 16px;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .insight-item:hover .insight-arrow {
            transform: translateX(4px);
        }

        /* ========== STATS BAR ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }

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

        .stat-card .stat-icon {
            font-size: 28px;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .stat-card .stat-value {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .stat-card .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
            font-weight: 500;
        }

        .section-dark .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .section-dark .stat-card .stat-value {
            color: #fff;
        }

        .section-dark .stat-card .stat-label {
            color: rgba(240, 237, 230, 0.6);
        }

        /* ========== FEATURED BLOCK ========== */
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .featured-block .featured-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-bg-alt);
        }

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

        .featured-block .featured-img:hover img {
            transform: scale(1.04);
        }

        .featured-block .featured-text h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
            line-height: 1.3;
        }

        .featured-block .featured-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }

        .featured-block .featured-text .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            border-radius: 30px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }

        .featured-block .featured-text .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            gap: 10px;
        }

        /* ========== TAGS ========== */
        .tag-cluster {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 30px;
            transition: all var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .tag-pill:hover {
            color: var(--color-accent-dark);
            border-color: var(--color-accent);
            background: var(--color-accent-subtle);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

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

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            gap: 14px;
        }

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

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
        }

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

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

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

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-bg-dark);
            text-align: center;
            padding: var(--spacing-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(200, 169, 110, 0.08) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(240, 237, 230, 0.75);
            margin-bottom: var(--spacing-lg);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border-radius: 30px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.03em;
            border: 2px solid var(--color-accent);
        }

        .btn-primary-lg:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: #fff;
        }

        .btn-secondary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 30px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.03em;
            margin-left: 12px;
        }

        .btn-secondary-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .footer-col ul li a {
            font-size: 13.5px;
            color: rgba(240, 237, 230, 0.6);
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

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

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

        .footer-logo {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .footer-bottom p {
            font-size: 12.5px;
            color: rgba(240, 237, 230, 0.45);
            line-height: 1.6;
            margin-bottom: 4px;
        }

        .footer-disclaimer {
            max-width: 700px;
            margin: 8px auto 0 !important;
            font-size: 11.5px !important;
            color: rgba(240, 237, 230, 0.35) !important;
            line-height: 1.7 !important;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --spacing-3xl: 64px;
                --spacing-2xl: 48px;
                --spacing-xl: 36px;
            }
            .nav-desktop {
                gap: 0;
            }
            .nav-desktop a {
                padding: 8px 11px;
                font-size: 13.5px;
            }
            .btn-nav-cta {
                padding: 9px 16px;
                font-size: 13px;
            }
            .logo-text {
                font-size: 18px;
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-block {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .page-banner h1 {
                font-size: 34px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 62px;
                --spacing-3xl: 48px;
                --spacing-2xl: 36px;
                --spacing-xl: 28px;
                --spacing-lg: 24px;
            }
            .nav-desktop {
                display: none;
            }
            .btn-nav-cta.nav-cta {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .page-banner .banner-subtitle {
                font-size: 14px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.cols-2,
            .card-grid.cols-3,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-value {
                font-size: 28px;
            }
            .featured-block {
                grid-template-columns: 1fr;
            }
            .featured-block .featured-text h3 {
                font-size: 20px;
            }
            .insight-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px;
            }
            .insight-item .insight-num {
                font-size: 24px;
                min-width: auto;
            }
            .insight-item .insight-arrow {
                align-self: flex-end;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .btn-secondary-lg {
                margin-left: 0;
                margin-top: 10px;
            }
            .tag-cluster {
                gap: 6px;
            }
            .tag-pill {
                padding: 6px 14px;
                font-size: 12px;
            }
            .faq-question {
                font-size: 14px;
                padding: 15px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner {
                min-height: 220px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-value {
                font-size: 24px;
            }
            .stat-card .stat-icon {
                font-size: 22px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .cta-section {
                padding: var(--spacing-xl) 0;
            }
            .cta-section h2 {
                font-size: 20px;
            }
            .btn-primary-lg,
            .btn-secondary-lg {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1c1c1e;
            --color-primary-light: #2d2d30;
            --color-accent: #c8a06e;
            --color-accent-hover: #b0895a;
            --color-accent-light: #f5efe6;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0eb;
            --color-white: #ffffff;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-muted: #8e8e93;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece5;
            --color-success: #3a7d5a;
            --color-tag-bg: #f7f4ee;
            --color-tag-text: #7a6a50;
            --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 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 48px;
            --space-3xl: 64px;
            --space-4xl: 80px;
            --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;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --header-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-body);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

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

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

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

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

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

        ul {
            list-style: none;
        }

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

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.03);
            height: var(--header-height);
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo-wrap a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .logo-wrap a:hover {
            opacity: 0.82;
            color: var(--color-primary);
        }

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

        .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

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

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

        .nav-desktop a.active {
            color: var(--color-accent);
            background: var(--color-accent-light);
            font-weight: 600;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

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

        .nav-cta {
            margin-left: 8px;
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

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

        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: var(--space-md) var(--space-lg);
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-md);
            z-index: 999;
        }

        .mobile-nav-panel.show {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }

        .mobile-nav-panel a.active {
            font-weight: 600;
        }

        .mobile-nav-panel .mobile-cta {
            margin-top: 8px;
            background: var(--color-primary);
            color: #fff !important;
            text-align: center;
            font-weight: 600;
            border-radius: var(--radius-full);
            padding: 13px 20px;
        }

        .mobile-nav-panel .mobile-cta:hover {
            background: var(--color-primary-light);
            color: #fff !important;
        }

        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 0;
            }
            .nav-desktop a {
                padding: 7px 10px;
                font-size: 0.84rem;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .logo-text {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 860px) {
            .nav-desktop {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-inner {
                padding: 0 var(--space-md);
            }
        }

        .page-hero {
            position: relative;
            padding: var(--space-3xl) 0 var(--space-2xl);
            background: var(--color-primary);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.35;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(28, 28, 30, 0.55) 0%, rgba(28, 28, 30, 0.8) 100%);
            z-index: 0;
        }

        .page-hero-content {
            position: relative;
            z-index: 1;
            color: #fff;
            max-width: 700px;
        }

        .page-hero-content .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200, 160, 110, 0.25);
            border: 1px solid rgba(200, 160, 110, 0.45);
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: #e8d5b8;
            margin-bottom: var(--space-lg);
        }

        .page-hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-md);
            line-height: 1.25;
            color: #fff;
        }

        .page-hero-content .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 560px;
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 260px;
                padding: var(--space-2xl) 0 var(--space-xl);
            }
            .page-hero-content h1 {
                font-size: 2rem;
            }
            .page-hero-content .hero-desc {
                font-size: 1rem;
            }
        }

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

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

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

        .section-header .section-label {
            display: inline-block;
            padding: 5px 14px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-md);
        }

        .section-header h2 {
            font-family: var(--font-heading);
            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: 1.05rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header .section-subtitle {
                font-size: 0.95rem;
            }
        }

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

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

        @media (max-width: 640px) {
            .news-card-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
        }

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

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

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

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

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

        .news-card-image .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            background: rgba(28, 28, 30, 0.8);
            color: #fff;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            backdrop-filter: blur(6px);
            z-index: 2;
        }

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

        .news-card-body .card-meta {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: var(--space-sm);
        }

        .news-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: var(--space-sm);
            line-height: 1.45;
            letter-spacing: 0.01em;
        }

        .news-card-body h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .news-card-body h3 a:hover {
            color: var(--color-accent);
        }

        .news-card-body p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: var(--space-md);
        }

        .news-card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            margin-top: auto;
        }

        .news-card-body .card-link:hover {
            color: var(--color-accent-hover);
            gap: 10px;
        }

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

        .trend-grid-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-2xl);
            align-items: center;
        }

        @media (max-width: 768px) {
            .trend-grid-layout {
                grid-template-columns: 1fr;
                gap: var(--space-xl);
            }
        }

        .trend-image-block img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .trend-tags-wrap h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: var(--space-lg);
            color: var(--color-primary);
        }

        .trend-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            margin-bottom: var(--space-lg);
        }

        .trend-tag {
            display: inline-block;
            padding: 8px 18px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            cursor: default;
            letter-spacing: 0.02em;
        }

        .trend-tag:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-xs);
        }

        .trend-tag.hot {
            background: var(--color-accent-light);
            border-color: var(--color-accent);
            color: var(--color-accent);
            font-weight: 600;
        }

        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-xl);
            padding: var(--space-2xl) 0;
        }

        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-lg);
            }
        }

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

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

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

        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1.1;
            margin-bottom: var(--space-xs);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 2rem;
            }
        }

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

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

        .timeline-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
            transform: translateX(4px);
        }

        .timeline-thumb {
            flex-shrink: 0;
            width: 120px;
            height: 85px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-alt);
        }

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

        .timeline-content {
            flex: 1;
            min-width: 0;
        }

        .timeline-content .tl-date {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }

        .timeline-content h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .timeline-content p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            margin: 0;
        }

        .timeline-content .tl-tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 500;
            margin-top: 8px;
            letter-spacing: 0.03em;
        }

        @media (max-width: 640px) {
            .timeline-item {
                flex-direction: column;
                gap: var(--space-md);
            }
            .timeline-thumb {
                width: 100%;
                height: 160px;
            }
        }

        .hot-ranking {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            overflow: hidden;
        }

        .hot-ranking-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            padding: var(--space-md) var(--space-lg);
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

        .hot-ranking-item:last-child {
            border-bottom: none;
        }

        .hot-ranking-item:hover {
            background: var(--color-bg-alt);
        }

        .rank-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            background: var(--color-text-muted);
            letter-spacing: 0;
        }

        .hot-ranking-item:nth-child(1) .rank-num {
            background: #c8a06e;
        }
        .hot-ranking-item:nth-child(2) .rank-num {
            background: #b8b0a2;
        }
        .hot-ranking-item:nth-child(3) .rank-num {
            background: #c49a6c;
        }

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

        .rank-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0;
            line-height: 1.35;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info .rank-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        .rank-heat {
            flex-shrink: 0;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
        }

        @media (max-width: 640px) {
            .hot-ranking-item {
                padding: var(--space-md);
            }
        }

        .faq-accordion-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion {
            background: transparent !important;
            border: none !important;
        }

        .accordion-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: var(--space-sm) !important;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .accordion-item:hover {
            border-color: var(--color-border) !important;
            box-shadow: var(--shadow-xs);
        }

        .accordion-title {
            font-family: var(--font-heading) !important;
            font-size: 1rem !important;
            font-weight: 600 !important;
            color: var(--color-primary) !important;
            padding: var(--space-md) var(--space-lg) !important;
            background: transparent !important;
            border: none !important;
            cursor: pointer;
            transition: color var(--transition-fast);
            line-height: 1.5 !important;
        }

        .accordion-title:hover {
            color: var(--color-accent) !important;
            background: var(--color-bg-alt) !important;
        }

        .accordion-title::before {
            color: var(--color-accent) !important;
            font-size: 0.7rem !important;
            margin-top: 2px !important;
        }

        .is-active>.accordion-title {
            color: var(--color-accent) !important;
            background: var(--color-accent-light) !important;
        }

        .accordion-content {
            padding: 0 var(--space-lg) var(--space-lg) !important;
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            background: transparent !important;
            border: none !important;
        }

        .cta-section {
            background: var(--color-primary);
            color: #fff;
            text-align: center;
            padding: var(--space-3xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            letter-spacing: 0.03em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--space-xl);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(200, 160, 110, 0.35);
        }

        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 160, 110, 0.45);
        }

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

        .site-footer {
            background: var(--color-primary);
            color: #ccc;
            padding: var(--space-3xl) 0 var(--space-xl);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-xl);
            margin-bottom: var(--space-2xl);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-lg);
            }
        }

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

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col ul li a {
            color: #b0b0b4;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .footer-col ul li a:hover {
            color: #e8d5b8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--space-xl);
            text-align: center;
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.04em;
        }

        .footer-bottom p {
            margin: 0;
            color: #999;
            font-size: 0.84rem;
            line-height: 1.6;
        }

        .footer-disclaimer {
            margin-top: var(--space-md) !important;
            font-size: 0.78rem !important;
            color: #777 !important;
            max-width: 700px;
            margin-left: auto !important;
            margin-right: auto !important;
        }

        .divider-light {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 0;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up:nth-child(1) {
            animation-delay: 0.05s;
        }
        .fade-in-up:nth-child(2) {
            animation-delay: 0.12s;
        }
        .fade-in-up:nth-child(3) {
            animation-delay: 0.19s;
        }
        .fade-in-up:nth-child(4) {
            animation-delay: 0.26s;
        }
        .fade-in-up:nth-child(5) {
            animation-delay: 0.33s;
        }
        .fade-in-up:nth-child(6) {
            animation-delay: 0.4s;
        }