/* roulang page: index */
:root {
            --primary: #FF6B4A;
            --primary-dark: #E05538;
            --primary-light: #FFF0EB;
            --secondary: #2C4A7C;
            --secondary-light: #E8EEF6;
            --accent: #FF9F43;
            --accent-light: #FFF4E8;
            --bg: #FEFBF7;
            --bg-white: #FFFFFF;
            --bg-warm: #FFF9F3;
            --text: #1F2937;
            --text-heading: #111827;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E0D8;
            --border-light: #F0EBE4;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 6px rgba(0,0,0,0.05);
            --shadow: 0 4px 18px rgba(0,0,0,0.07);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.09);
            --shadow-lg: 0 14px 40px rgba(0,0,0,0.11);
            --shadow-xl: 0 20px 56px rgba(0,0,0,0.13);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', system-ui, sans-serif;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

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

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
        }

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

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }

        /* 分段标签导航 */
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-warm);
            border-radius: var(--radius-lg);
            padding: 5px 6px;
            border: 1px solid var(--border-light);
        }

        .nav-tab {
            padding: 9px 20px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-tab:hover {
            color: var(--text);
            background: rgba(255,255,255,0.6);
        }

        .nav-tab.active {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
            font-weight: 700;
        }

        .nav-tab.active::after {
            display: none;
        }

        .header-cta {
            flex-shrink: 0;
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 0.93rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(255,107,74,0.3);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 18px rgba(255,107,74,0.4);
            transform: translateY(-1px);
        }

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

        /* 移动端汉堡菜单 */
        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

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

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .nav-tabs {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 2px;
                border-radius: 0;
                padding: 12px 18px;
                border: none;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
                z-index: 999;
            }
            .nav-tabs.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-tab {
                padding: 13px 18px;
                border-radius: var(--radius);
                font-size: 1rem;
                text-align: center;
            }
            .header-cta {
                font-size: 0.85rem;
                padding: 8px 16px;
            }
        }

        @media (max-width: 520px) {
            .header-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
                border-radius: var(--radius-sm);
            }
            .logo-link {
                font-size: 1.25rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(155deg, #1a3a2a 0%, #0d2818 25%, #1a2f3f 55%, #1a2a1f 100%);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 40%;
            opacity: 0.55;
            filter: brightness(0.7) saturate(1.2);
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13,25,18,0.55) 0%, rgba(20,35,28,0.7) 40%, rgba(22,28,35,0.8) 100%);
            z-index: 1;
        }

        /* 地图装饰线 */
        .hero-decor-paths {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
            opacity: 0.25;
        }

        .hero-decor-path {
            position: absolute;
            border: 1.5px dashed rgba(255,255,255,0.35);
            border-radius: 50%;
        }

        .hero-decor-path.path-1 {
            width: 420px;
            height: 420px;
            top: -120px;
            right: -100px;
        }
        .hero-decor-path.path-2 {
            width: 280px;
            height: 280px;
            bottom: -60px;
            left: -80px;
        }
        .hero-decor-dot {
            position: absolute;
            width: 8px;
            height: 8px;
            background: rgba(255,255,255,0.6);
            border-radius: 50%;
            box-shadow: 0 0 16px rgba(255,255,255,0.3);
        }
        .hero-decor-dot.dot-1 { top: 18%; left: 22%; }
        .hero-decor-dot.dot-2 { top: 35%; right: 28%; animation: pulse-dot 2.8s ease-in-out infinite; }
        .hero-decor-dot.dot-3 { bottom: 25%; left: 35%; animation: pulse-dot 3.4s ease-in-out infinite 0.6s; }
        .hero-decor-dot.dot-4 { top: 55%; right: 18%; }

        @keyframes pulse-dot {
            0%, 100% { transform: scale(1); opacity: 0.6; }
            50% { transform: scale(1.8); opacity: 1; }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.13);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.2);
            color: #fff;
            padding: 7px 16px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }

        .hero-badge-dot {
            width: 7px;
            height: 7px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }

        .hero-title .brand-highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.82);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(255,107,74,0.4);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 26px rgba(255,107,74,0.5);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.96);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
        }

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

        @media (max-width: 768px) {
            .hero {
                min-height: auto;
            }
            .hero-content {
                padding: 44px 0 50px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1.05rem;
            }
            .btn-primary, .btn-outline-light {
                padding: 12px 22px;
                font-size: 0.93rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary, .btn-outline-light {
                justify-content: center;
                text-align: center;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-header {
                margin-bottom: 34px;
            }
        }

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

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            flex-shrink: 0;
        }

        .feature-icon.fi-explore {
            background: #FFF0EB;
            color: var(--primary);
        }
        .feature-icon.fi-guide {
            background: #E8EEF6;
            color: var(--secondary);
        }
        .feature-icon.fi-safe {
            background: #FFF4E8;
            color: var(--accent);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-heading);
        }

        .feature-card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
        }

        /* ========== CATEGORY ENTRY CARD ========== */
        .category-entry-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .category-entry-block:hover {
            box-shadow: var(--shadow-md);
        }

        .category-entry-img {
            width: 100%;
            height: 100%;
            min-height: 340px;
            object-fit: cover;
            border-radius: var(--radius-xl) 0 0 var(--radius-xl);
        }

        .category-entry-body {
            padding: 36px 32px 36px 8px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .category-entry-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 12px;
            border-radius: 20px;
            align-self: flex-start;
        }

        .category-entry-body h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.3;
        }

        .category-entry-body p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .category-entry-stats {
            display: flex;
            gap: 28px;
            margin-top: 4px;
        }

        .stat-item {
            text-align: center;
        }
        .stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 22px;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 0.93rem;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

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

        @media (max-width: 768px) {
            .category-entry-block {
                grid-template-columns: 1fr;
            }
            .category-entry-img {
                border-radius: var(--radius-xl) var(--radius-xl) 0 0;
                min-height: 220px;
                max-height: 260px;
            }
            .category-entry-body {
                padding: 24px 20px;
            }
            .category-entry-body h2 {
                font-size: 1.3rem;
            }
        }

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

        .recommend-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .recommend-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .recommend-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .recommend-card-tag {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--secondary);
            background: var(--secondary-light);
            padding: 4px 10px;
            border-radius: 14px;
            align-self: flex-start;
        }

        .recommend-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
        }

        .recommend-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .recommend-card-link {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .recommend-card-link:hover {
            gap: 8px;
        }

        @media (max-width: 768px) {
            .recommend-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .recommend-card-img {
                height: 180px;
            }
        }

        /* ========== CMS LIST ========== */
        .cms-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cms-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 18px 22px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .cms-list-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary-light);
            transform: translateX(3px);
        }

        .cms-list-dot {
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 10px rgba(255,107,74,0.3);
        }

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

        .cms-list-info h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .cms-list-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-top: 2px;
        }

        .cms-list-meta {
            font-size: 0.78rem;
            color: var(--text-light);
            flex-shrink: 0;
            text-align: right;
        }

        .cms-list-meta .cms-cat {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            padding: 3px 9px;
            border-radius: 10px;
            font-weight: 600;
            margin-bottom: 3px;
        }

        .cms-empty {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 2px dashed var(--border);
        }

        @media (max-width: 520px) {
            .cms-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }
            .cms-list-meta {
                text-align: left;
            }
        }

        /* ========== PROCESS / STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-card {
            text-align: center;
            padding: 28px 18px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            margin-bottom: 16px;
            box-shadow: 0 4px 14px rgba(255,107,74,0.35);
        }

        .step-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .step-card {
                padding: 20px 14px;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

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

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

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

        .faq-q {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-q:hover {
            color: var(--primary);
        }

        .faq-arrow {
            flex-shrink: 0;
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
            color: var(--text-muted);
        }

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

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 22px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

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

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(140deg, #1F2937 0%, #2C3A50 40%, #1A3A5C 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }

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

        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn-primary {
            font-size: 1.05rem;
            padding: 15px 34px;
            border-radius: var(--radius);
        }

        @media (max-width: 768px) {
            .cta-banner {
                padding: 40px 22px;
                border-radius: var(--radius-lg);
            }
            .cta-banner h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1D22;
            color: rgba(255,255,255,0.7);
            padding: 50px 0 28px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ========== UTILS ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }

        :focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        /* 顶部滚动进度条 */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            z-index: 2000;
            transition: width 0.1s linear;
            border-radius: 0 2px 2px 0;
        }

/* roulang page: article */
:root {
            --color-primary: #1a6b8a;
            --color-primary-dark: #12536b;
            --color-primary-light: #e8f4f9;
            --color-accent: #e8833a;
            --color-accent-dark: #c96a2a;
            --color-accent-light: #fef5ed;
            --color-bg: #f8f6f1;
            --color-surface: #ffffff;
            --color-text: #1e1e1e;
            --color-text-soft: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e0d8;
            --color-border-light: #f0ece5;
            --color-success: #3a8f6d;
            --color-warning: #d4912a;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 2px 8px rgba(30,30,30,0.06);
            --shadow-md: 0 6px 20px rgba(30,30,30,0.09);
            --shadow-lg: 0 12px 36px rgba(30,30,30,0.12);
            --shadow-xl: 0 20px 48px rgba(30,30,30,0.15);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', 'Georgia', serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-2xl: 80px;
            --max-width: 1200px;
            --max-width-article: 780px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4,0,0.2,1);
        }

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

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

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

        img{max-width:100%;height:auto;display:block}
        a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}
        button,input,textarea{font-family:inherit;font-size:inherit}
        button{cursor:pointer;border:none;background:none}

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

        .container-narrow{
            width:100%;
            max-width:var(--max-width-article);
            margin:0 auto;
            padding:0 var(--spacing-md);
        }

        /* ===== HEADER ===== */
        .site-header{
            position:sticky;
            top:0;
            z-index:100;
            background:rgba(255,255,255,0.92);
            backdrop-filter:blur(16px);
            -webkit-backdrop-filter:blur(16px);
            border-bottom:1px solid var(--color-border-light);
            box-shadow:0 1px 6px rgba(30,30,30,0.04);
            transition:box-shadow var(--transition-smooth);
        }
        .site-header.scrolled{box-shadow:var(--shadow-md)}

        .header-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            padding:14px 0;
            gap:var(--spacing-md);
            flex-wrap:wrap;
        }

        .logo-link{
            display:flex;
            align-items:center;
            gap:10px;
            font-size:1.35rem;
            font-weight:700;
            color:var(--color-primary);
            letter-spacing:0.02em;
            white-space:nowrap;
            flex-shrink:0;
            transition:color var(--transition-fast);
        }
        .logo-link:hover{color:var(--color-primary-dark)}
        .logo-icon{
            width:38px;
            height:38px;
            background:var(--color-primary);
            border-radius:var(--radius-sm);
            display:flex;
            align-items:center;
            justify-content:center;
            color:#fff;
            font-size:1.2rem;
            flex-shrink:0;
        }

        .nav-tabs{
            display:flex;
            align-items:center;
            gap:6px;
            background:var(--color-border-light);
            border-radius:var(--radius-full);
            padding:5px;
        }
        .nav-tab{
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:10px 20px;
            border-radius:var(--radius-full);
            font-size:0.95rem;
            font-weight:500;
            color:var(--color-text-soft);
            transition:all var(--transition-fast);
            white-space:nowrap;
            position:relative;
        }
        .nav-tab:hover{color:var(--color-text);background:rgba(255,255,255,0.6)}
        .nav-tab.active{
            background:#fff;
            color:var(--color-primary);
            font-weight:600;
            box-shadow:var(--shadow-sm);
        }
        .nav-tab .tab-dot{
            width:7px;
            height:7px;
            border-radius:50%;
            background:var(--color-accent);
            display:none;
        }
        .nav-tab.active .tab-dot{display:inline-block}

        .mobile-menu-toggle{
            display:none;
            width:40px;
            height:40px;
            align-items:center;
            justify-content:center;
            border-radius:var(--radius-sm);
            background:var(--color-border-light);
            color:var(--color-text);
            font-size:1.3rem;
            transition:background var(--transition-fast);
        }
        .mobile-menu-toggle:hover{background:var(--color-border)}

        /* ===== READING PROGRESS ===== */
        .reading-progress-bar{
            position:fixed;
            top:0;
            left:0;
            height:3px;
            background:linear-gradient(90deg,var(--color-primary),var(--color-accent));
            z-index:101;
            transition:width 0.1s linear;
            border-radius:0 2px 2px 0;
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-wrap{
            padding:var(--spacing-md) 0;
        }
        .breadcrumb{
            display:flex;
            align-items:center;
            gap:8px;
            flex-wrap:wrap;
            font-size:0.9rem;
            color:var(--color-text-muted);
        }
        .breadcrumb a{
            color:var(--color-primary);
            transition:color var(--transition-fast);
        }
        .breadcrumb a:hover{color:var(--color-primary-dark);text-decoration:underline}
        .breadcrumb .sep{
            color:var(--color-border);
            user-select:none;
            font-size:0.75rem;
        }
        .breadcrumb .current{
            color:var(--color-text-soft);
            font-weight:500;
        }

        /* ===== ARTICLE HERO ===== */
        .article-hero{
            position:relative;
            border-radius:var(--radius-lg);
            overflow:hidden;
            margin-bottom:var(--spacing-lg);
            min-height:320px;
            display:flex;
            align-items:flex-end;
            background:linear-gradient(135deg,#1a6b8a 0%,#0d4f66 40%,#1a5c40 100%);
            isolation:isolate;
        }
        .article-hero-bg{
            position:absolute;
            inset:0;
            z-index:0;
            opacity:0.35;
            background-size:cover;
            background-position:center;
            background-repeat:no-repeat;
            mix-blend-mode:overlay;
        }
        .article-hero-overlay{
            position:absolute;
            inset:0;
            z-index:1;
            background:linear-gradient(to top,rgba(13,40,55,0.85) 0%,rgba(13,40,55,0.3) 50%,rgba(13,40,55,0.05) 100%);
        }
        .article-hero-content{
            position:relative;
            z-index:2;
            padding:var(--spacing-xl) var(--spacing-lg);
            width:100%;
            max-width:var(--max-width-article);
            margin:0 auto;
        }
        .article-category-tag{
            display:inline-flex;
            align-items:center;
            gap:6px;
            background:var(--color-accent);
            color:#fff;
            padding:7px 16px;
            border-radius:var(--radius-full);
            font-size:0.85rem;
            font-weight:600;
            letter-spacing:0.03em;
            margin-bottom:var(--spacing-sm);
            text-transform:uppercase;
        }
        .article-category-tag .tag-icon{
            font-size:0.9rem;
        }
        .article-hero h1{
            font-size:2.2rem;
            font-weight:700;
            color:#fff;
            line-height:1.35;
            letter-spacing:0.01em;
            text-shadow:0 2px 8px rgba(0,0,0,0.3);
        }
        .article-meta-row{
            display:flex;
            align-items:center;
            gap:var(--spacing-md);
            flex-wrap:wrap;
            margin-top:var(--spacing-sm);
            color:rgba(255,255,255,0.85);
            font-size:0.9rem;
        }
        .article-meta-row .meta-item{
            display:flex;
            align-items:center;
            gap:6px;
        }
        .article-meta-row .meta-dot{
            width:5px;
            height:5px;
            border-radius:50%;
            background:rgba(255,255,255,0.5);
        }

        /* ===== ARTICLE BODY ===== */
        .article-body-section{
            padding:var(--spacing-lg) 0;
        }
        .article-card{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            padding:var(--spacing-xl) var(--spacing-lg);
            box-shadow:var(--shadow-md);
            border:1px solid var(--color-border-light);
        }
        .article-featured-image{
            border-radius:var(--radius-md);
            overflow:hidden;
            margin-bottom:var(--spacing-lg);
            box-shadow:var(--shadow-sm);
        }
        .article-featured-image img{
            width:100%;
            height:auto;
            display:block;
            border-radius:var(--radius-md);
        }
        .article-content{
            font-size:1.08rem;
            line-height:1.85;
            color:var(--color-text);
        }
        .article-content h2{
            font-size:1.55rem;
            font-weight:700;
            color:var(--color-primary-dark);
            margin:var(--spacing-lg) 0 var(--spacing-sm);
            padding-left:16px;
            border-left:4px solid var(--color-accent);
            line-height:1.4;
        }
        .article-content h3{
            font-size:1.25rem;
            font-weight:600;
            color:var(--color-text);
            margin:var(--spacing-md) 0 var(--spacing-xs);
            line-height:1.4;
        }
        .article-content p{
            margin-bottom:var(--spacing-sm);
        }
        .article-content ul,.article-content ol{
            margin:var(--spacing-sm) 0;
            padding-left:1.6em;
        }
        .article-content li{
            margin-bottom:6px;
        }
        .article-content blockquote{
            margin:var(--spacing-md) 0;
            padding:var(--spacing-md) var(--spacing-lg);
            background:var(--color-primary-light);
            border-left:5px solid var(--color-primary);
            border-radius:0 var(--radius-md) var(--radius-md) 0;
            font-style:italic;
            color:var(--color-text-soft);
            font-size:1.05rem;
        }
        .article-content img{
            border-radius:var(--radius-md);
            margin:var(--spacing-md) auto;
            box-shadow:var(--shadow-sm);
        }
        .article-content a{
            color:var(--color-primary);
            text-decoration:underline;
            text-underline-offset:3px;
            transition:color var(--transition-fast);
        }
        .article-content a:hover{color:var(--color-accent)}
        .article-content strong{color:var(--color-text);font-weight:700}
        .article-content hr{
            border:none;
            border-top:2px dashed var(--color-border);
            margin:var(--spacing-lg) 0;
        }
        .article-content .highlight-box{
            background:var(--color-accent-light);
            border:1px solid rgba(232,131,58,0.2);
            border-radius:var(--radius-md);
            padding:var(--spacing-md);
            margin:var(--spacing-md) 0;
        }

        .article-tags{
            display:flex;
            flex-wrap:wrap;
            gap:8px;
            margin-top:var(--spacing-lg);
            padding-top:var(--spacing-md);
            border-top:1px solid var(--color-border-light);
        }
        .article-tag{
            display:inline-flex;
            align-items:center;
            gap:4px;
            padding:6px 14px;
            border-radius:var(--radius-full);
            background:var(--color-border-light);
            color:var(--color-text-soft);
            font-size:0.85rem;
            transition:all var(--transition-fast);
        }
        .article-tag:hover{background:var(--color-primary-light);color:var(--color-primary)}

        /* ===== NOT FOUND ===== */
        .not-found-block{
            text-align:center;
            padding:var(--spacing-2xl) var(--spacing-md);
        }
        .not-found-icon{
            font-size:4rem;
            margin-bottom:var(--spacing-md);
            opacity:0.6;
        }
        .not-found-block h2{
            font-size:1.8rem;
            color:var(--color-text);
            margin-bottom:var(--spacing-sm);
        }
        .not-found-block p{
            color:var(--color-text-soft);
            margin-bottom:var(--spacing-lg);
            font-size:1.05rem;
        }
        .btn-back{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:12px 28px;
            background:var(--color-primary);
            color:#fff;
            border-radius:var(--radius-full);
            font-weight:600;
            font-size:1rem;
            transition:all var(--transition-smooth);
            box-shadow:var(--shadow-sm);
        }
        .btn-back:hover{
            background:var(--color-primary-dark);
            box-shadow:var(--shadow-md);
            transform:translateY(-2px);
        }

        /* ===== RELATED POSTS ===== */
        .related-section{
            padding:var(--spacing-xl) 0;
        }
        .section-label{
            display:inline-flex;
            align-items:center;
            gap:8px;
            font-size:0.85rem;
            font-weight:600;
            color:var(--color-accent);
            text-transform:uppercase;
            letter-spacing:0.06em;
            margin-bottom:var(--spacing-xs);
        }
        .section-label::before{
            content:'';
            width:20px;
            height:2px;
            background:var(--color-accent);
            border-radius:2px;
        }
        .section-title{
            font-size:1.7rem;
            font-weight:700;
            color:var(--color-text);
            margin-bottom:var(--spacing-sm);
            letter-spacing:0.01em;
        }
        .section-desc{
            color:var(--color-text-soft);
            margin-bottom:var(--spacing-lg);
            font-size:1rem;
        }
        .related-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:var(--spacing-md);
        }
        .related-card{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            overflow:hidden;
            box-shadow:var(--shadow-sm);
            border:1px solid var(--color-border-light);
            transition:all var(--transition-smooth);
            display:flex;
            flex-direction:column;
        }
        .related-card:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-4px);
            border-color:var(--color-border);
        }
        .related-card-img{
            width:100%;
            height:180px;
            object-fit:cover;
            display:block;
        }
        .related-card-body{
            padding:var(--spacing-md);
            flex:1;
            display:flex;
            flex-direction:column;
        }
        .related-card-tag{
            font-size:0.78rem;
            font-weight:600;
            color:var(--color-accent);
            margin-bottom:6px;
            letter-spacing:0.04em;
            text-transform:uppercase;
        }
        .related-card-title{
            font-size:1.05rem;
            font-weight:600;
            color:var(--color-text);
            line-height:1.4;
            margin-bottom:8px;
            flex:1;
        }
        .related-card:hover .related-card-title{color:var(--color-primary)}
        .related-card-date{
            font-size:0.82rem;
            color:var(--color-text-muted);
        }

        /* ===== CTA SECTION ===== */
        .cta-section{
            padding:var(--spacing-xl) 0;
        }
        .cta-card{
            background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);
            border-radius:var(--radius-xl);
            padding:var(--spacing-xl) var(--spacing-lg);
            text-align:center;
            color:#fff;
            position:relative;
            overflow:hidden;
            isolation:isolate;
        }
        .cta-card::before{
            content:'';
            position:absolute;
            inset:0;
            z-index:0;
            background:radial-gradient(ellipse at 30% 20%,rgba(255,255,255,0.1) 0%,transparent 60%),
                       radial-gradient(ellipse at 70% 80%,rgba(232,131,58,0.2) 0%,transparent 50%);
            pointer-events:none;
        }
        .cta-card>*{position:relative;z-index:1}
        .cta-card h3{
            font-size:1.6rem;
            font-weight:700;
            margin-bottom:var(--spacing-xs);
        }
        .cta-card p{
            font-size:1.05rem;
            opacity:0.9;
            margin-bottom:var(--spacing-lg);
            max-width:500px;
            margin-left:auto;
            margin-right:auto;
        }
        .btn-cta{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:13px 32px;
            background:#fff;
            color:var(--color-primary-dark);
            border-radius:var(--radius-full);
            font-weight:700;
            font-size:1rem;
            transition:all var(--transition-smooth);
            box-shadow:var(--shadow-md);
        }
        .btn-cta:hover{
            background:#fff;
            box-shadow:var(--shadow-xl);
            transform:translateY(-3px);
            color:var(--color-accent);
        }

        /* ===== FOOTER ===== */
        .site-footer{
            background:#1a1f24;
            color:rgba(255,255,255,0.75);
            padding:var(--spacing-xl) 0 var(--spacing-md);
            margin-top:var(--spacing-xl);
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr;
            gap:var(--spacing-lg);
            margin-bottom:var(--spacing-lg);
        }
        .footer-brand-name{
            font-size:1.25rem;
            font-weight:700;
            color:#fff;
            margin-bottom:var(--spacing-xs);
        }
        .footer-desc{
            font-size:0.9rem;
            line-height:1.6;
            color:rgba(255,255,255,0.6);
        }
        .footer-col h4{
            font-size:0.95rem;
            font-weight:600;
            color:#fff;
            margin-bottom:var(--spacing-sm);
            letter-spacing:0.02em;
        }
        .footer-col ul{list-style:none;padding:0}
        .footer-col ul li{margin-bottom:8px}
        .footer-col ul li a{
            color:rgba(255,255,255,0.6);
            font-size:0.9rem;
            transition:color var(--transition-fast);
        }
        .footer-col ul li a:hover{color:#fff}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.1);
            padding-top:var(--spacing-md);
            text-align:center;
            font-size:0.82rem;
            color:rgba(255,255,255,0.45);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width:1024px){
            .related-grid{grid-template-columns:repeat(2,1fr)}
            .article-hero h1{font-size:1.8rem}
            .article-hero{min-height:260px}
            .article-card{padding:var(--spacing-lg) var(--spacing-md)}
            .footer-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-md)}
        }
        @media (max-width:768px){
            .header-inner{flex-wrap:nowrap}
            .nav-tabs{gap:3px;padding:4px}
            .nav-tab{padding:8px 14px;font-size:0.85rem}
            .related-grid{grid-template-columns:1fr}
            .article-hero{min-height:220px;border-radius:var(--radius-md)}
            .article-hero h1{font-size:1.5rem}
            .article-hero-content{padding:var(--spacing-md)}
            .article-card{padding:var(--spacing-md);border-radius:var(--radius-md)}
            .article-content{font-size:1rem}
            .article-content h2{font-size:1.3rem}
            .container{padding:0 var(--spacing-sm)}
            .container-narrow{padding:0 var(--spacing-sm)}
            .section-title{font-size:1.4rem}
            .cta-card{padding:var(--spacing-lg) var(--spacing-md);border-radius:var(--radius-lg)}
            .cta-card h3{font-size:1.35rem}
            .footer-grid{grid-template-columns:1fr}
            .article-meta-row{gap:var(--spacing-xs);font-size:0.82rem}
        }
        @media (max-width:520px){
            .logo-link{font-size:1.1rem}
            .logo-icon{width:30px;height:30px;font-size:1rem}
            .nav-tab{padding:7px 10px;font-size:0.8rem;gap:3px}
            .article-hero{min-height:180px}
            .article-hero h1{font-size:1.25rem}
            .article-hero-content{padding:var(--spacing-sm)}
            .article-category-tag{padding:5px 12px;font-size:0.75rem}
            .article-card{padding:var(--spacing-sm);border-radius:var(--radius-sm)}
            .article-content h2{font-size:1.15rem;padding-left:12px;border-left-width:3px}
            .breadcrumb{font-size:0.78rem}
            .section-title{font-size:1.2rem}
            .related-card-img{height:140px}
            .cta-card h3{font-size:1.2rem}
            .cta-card p{font-size:0.9rem}
            .btn-cta{padding:10px 24px;font-size:0.9rem}
        }

/* roulang page: category1 */
:root {
            --primary: #1e7e6e;
            --primary-dark: #155d50;
            --primary-light: #e6f4f1;
            --primary-surface: #f0f9f7;
            --accent: #e8783b;
            --accent-dark: #c4622e;
            --accent-light: #fef6f1;
            --accent-surface: #fef9f5;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-warm: #fdfaf5;
            --text: #1e1e1e;
            --text-strong: #141414;
            --text-muted: #5e5e5e;
            --text-light: #8a8a8a;
            --text-lighter: #a8a8a8;
            --border: #e6e1d9;
            --border-light: #f0ece6;
            --border-lighter: #f5f2ed;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 6px rgba(0,0,0,0.05);
            --shadow: 0 4px 20px rgba(0,0,0,0.07);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.09);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.16);
            --font-sans: 'Noto Sans SC', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --header-height: 72px;
            --space-xs: 4px;
            --space-sm: 8px;
            --space: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
        }

        *, *::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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }
        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 var(--space-lg);
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--space-xl);
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-xs);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-strong);
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, #2a9d8f 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 3px 12px rgba(30,126,110,0.25);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space);
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(30,126,110,0.2);
        }
        .btn-header-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 18px rgba(30,126,110,0.3);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-header-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(30,126,110,0.2);
        }
        @media (max-width: 640px) {
            .btn-header-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .header-logo {
                font-size: 1.05rem;
            }
            .header-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
        }

        /* ========== NAV TABS ========== */
        .nav-tabs-wrapper {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            background: var(--border-lighter);
            border-radius: var(--radius-full);
            padding: 4px;
            flex-shrink: 0;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 9px 22px;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.93rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: -0.01em;
        }
        .nav-tab:hover {
            color: var(--text);
            background: rgba(255,255,255,0.55);
        }
        .nav-tab.active {
            background: var(--bg-white);
            color: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-tab:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        @media (max-width: 640px) {
            .nav-tab {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .nav-tabs-wrapper {
                gap: 2px;
                padding: 3px;
            }
        }
        @media (max-width: 420px) {
            .site-header .container {
                flex-wrap: wrap;
                gap: 8px;
                justify-content: center;
                padding: 8px var(--space);
            }
            .site-header {
                height: auto;
                min-height: 56px;
                padding: 4px 0;
            }
        }

        /* ========== MAIN ========== */
        .main-content {
            flex: 1;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #1a3c34 0%, #155d50 30%, #1e7e6e 60%, #1a5c4f 100%);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20,50,42,0.65) 0%, rgba(20,50,42,0.45) 50%, rgba(20,50,42,0.7) 100%);
            z-index: 1;
        }
        .page-banner .banner-decor-line {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent) 0%, #f0a060 30%, var(--accent) 60%, #f0a060 100%);
            z-index: 2;
            opacity: 0.8;
        }
        .page-banner .banner-dots {
            position: absolute;
            z-index: 1;
            opacity: 0.5;
        }
        .banner-dots.dot-1 { top: 15%; left: 8%; width: 60px; height: 60px; }
        .banner-dots.dot-2 { bottom: 20%; right: 10%; width: 40px; height: 40px; }
        .banner-dots.dot-3 { top: 30%; right: 25%; width: 24px; height: 24px; }
        .banner-dots svg { width: 100%; height: 100%; }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-content {
            max-width: 720px;
            padding: var(--space-2xl) 0;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: var(--space);
            flex-wrap: wrap;
        }
        .banner-breadcrumb a {
            color: rgba(255,255,255,0.85);
        }
        .banner-breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .banner-breadcrumb .sep {
            color: rgba(255,255,255,0.4);
        }
        .banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: var(--space);
        }
        .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.82);
            line-height: 1.7;
            max-width: 560px;
        }
        .banner-stats-row {
            display: flex;
            gap: var(--space-xl);
            margin-top: var(--space-lg);
            flex-wrap: wrap;
        }
        .banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.9);
        }
        .banner-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
        }
        .banner-stat .stat-label {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.7);
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 280px;
            }
            .banner-title {
                font-size: 1.8rem;
            }
            .banner-subtitle {
                font-size: 1rem;
            }
            .banner-content {
                padding: var(--space-xl) 0;
            }
            .banner-stats-row {
                gap: var(--space);
            }
            .banner-stat .stat-num {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 240px;
            }
            .banner-title {
                font-size: 1.5rem;
            }
            .banner-subtitle {
                font-size: 0.9rem;
            }
            .banner-stats-row {
                gap: var(--space-sm);
            }
            .banner-stat .stat-num {
                font-size: 1.1rem;
            }
            .banner-stat .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--space-3xl) 0;
        }
        .section-sm {
            padding: var(--space-2xl) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: var(--space-sm);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-strong);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: var(--space-sm);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: var(--space-xl);
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-desc {
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-2xl) 0;
            }
            .section-sm {
                padding: var(--space-xl) 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== FILTER CHIPS ========== */
        .filter-chips-wrapper {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-bottom: var(--space-lg);
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-muted);
            background: var(--bg-white);
            border: 1.5px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-surface);
        }
        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 3px 14px rgba(30,126,110,0.25);
        }
        .filter-chip:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        @media (max-width: 520px) {
            .filter-chip {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
        }

        /* ========== ARTICLE GRID ========== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }
        }
        @media (max-width: 640px) {
            .article-grid {
                grid-template-columns: 1fr;
                gap: var(--space);
            }
        }

        /* ========== ARTICLE CARD ========== */
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
            position: relative;
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .article-card .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--border-lighter);
        }
        .article-card .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .card-image-wrap img {
            transform: scale(1.06);
        }
        .article-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            z-index: 2;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(232,120,59,0.35);
        }
        .article-card .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .article-card .card-destination {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1.4;
            letter-spacing: -0.01em;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: var(--space);
            font-size: 0.82rem;
            color: var(--text-light);
            padding-top: 4px;
            border-top: 1px solid var(--border-lighter);
            flex-wrap: wrap;
        }
        .article-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-card .card-meta .difficulty {
            padding: 2px 10px;
            border-radius: var(--radius-full);
            font-size: 0.76rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .difficulty.easy {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .difficulty.moderate {
            background: #fff3e0;
            color: #e65100;
        }
        .difficulty.hard {
            background: #fce4ec;
            color: #b71c1c;
        }
        .article-card .card-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--primary);
            margin-top: auto;
            transition: gap var(--transition-fast);
        }
        .article-card .card-read-more:hover {
            gap: 8px;
            color: var(--primary-dark);
        }
        .article-card .card-read-more i {
            font-size: 0.75rem;
        }
        @media (max-width: 640px) {
            .article-card .card-title {
                font-size: 1.05rem;
            }
            .article-card .card-desc {
                font-size: 0.85rem;
            }
            .article-card .card-body {
                padding: var(--space);
            }
        }

        /* ========== NO RESULTS ========== */
        .no-results {
            text-align: center;
            padding: var(--space-3xl) var(--space);
            color: var(--text-muted);
        }
        .no-results .no-results-icon {
            font-size: 3rem;
            margin-bottom: var(--space);
            color: var(--text-lighter);
        }
        .no-results h3 {
            font-size: 1.3rem;
            color: var(--text);
            margin-bottom: var(--space-sm);
        }
        .no-results p {
            font-size: 0.95rem;
        }

        /* ========== FEATURED DESTINATIONS ========== */
        .destinations-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space);
        }
        .dest-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }
        .dest-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .dest-card .dest-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--border-lighter);
        }
        .dest-card .dest-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .dest-card:hover .dest-img img {
            transform: scale(1.05);
        }
        .dest-card .dest-info {
            padding: var(--space);
            text-align: center;
        }
        .dest-card .dest-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-strong);
            margin-bottom: 2px;
        }
        .dest-card .dest-count {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        @media (max-width: 1024px) {
            .destinations-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .destinations-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }
            .dest-card .dest-info {
                padding: var(--space-sm);
            }
            .dest-card .dest-name {
                font-size: 0.88rem;
            }
        }

        /* ========== TIPS SECTION ========== */
        .tips-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .tip-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: var(--space-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 4px 0 0 4px;
        }
        .tip-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .tip-card .tip-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-surface);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--primary);
            margin-bottom: var(--space);
        }
        .tip-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--space-sm);
        }
        .tip-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        @media (max-width: 1024px) {
            .tips-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .tips-list {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            margin-bottom: var(--space-sm);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: var(--space-md) var(--space-lg);
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text-strong);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space);
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item.open .faq-question {
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 var(--space-lg) var(--space-lg);
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        @media (max-width: 640px) {
            .faq-question {
                font-size: 0.93rem;
                padding: var(--space) var(--space-md);
            }
            .faq-answer-inner {
                padding: 0 var(--space-md) var(--space);
                font-size: 0.88rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #14322c 0%, #1a4a40 40%, #155d50 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-section .cta-pattern {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.06;
            background-image: radial-gradient(circle at 20% 50%, #fff 1px, transparent 1px),
                              radial-gradient(circle at 70% 30%, #fff 1px, transparent 1px),
                              radial-gradient(circle at 50% 70%, #fff 1.5px, transparent 1.5px);
            background-size: 60px 60px, 80px 80px, 50px 50px;
            background-position: 0 0, 30px 20px, 15px 40px;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: var(--space-3xl) var(--space-md);
        }
        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: var(--space);
        }
        .cta-desc {
            font-size: 1.08rem;
            color: rgba(255,255,255,0.78);
            max-width: 520px;
            margin: 0 auto var(--space-lg);
            line-height: 1.7;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            box-shadow: 0 6px 24px rgba(232,120,59,0.4);
            letter-spacing: -0.01em;
        }
        .btn-cta-primary:hover {
            background: #f08545;
            box-shadow: 0 10px 32px rgba(232,120,59,0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-cta-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(232,120,59,0.35);
        }
        @media (max-width: 640px) {
            .cta-title {
                font-size: 1.6rem;
            }
            .cta-desc {
                font-size: 0.95rem;
            }
            .btn-cta-primary {
                padding: 12px 26px;
                font-size: 0.95rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f1d;
            color: #c5c5c5;
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: #a0a0a0;
            line-height: 1.6;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e0e0e0;
            margin-bottom: var(--space);
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #b0b0b0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.84rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .footer-grid > div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }