/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b0e1a;
            --primary-light: #13182b;
            --secondary: #f0c040;
            --secondary-hover: #e0b030;
            --accent: #4a7cf7;
            --accent-hover: #3a6ae0;
            --bg-dark: #070a14;
            --bg-card: rgba(18, 24, 48, 0.85);
            --bg-card-hover: rgba(26, 34, 64, 0.95);
            --text-white: #f0f2f8;
            --text-muted: #8a90a8;
            --text-dim: #5a6080;
            --border-color: rgba(74, 124, 247, 0.15);
            --border-glow: rgba(240, 192, 64, 0.2);
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-hover);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        ::selection {
            background: var(--secondary);
            color: var(--primary);
        }
        :focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* ===== Container ===== */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== Navigation ===== */
        .site-header {
            background: rgba(7, 10, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(7, 10, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 16px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
        }
        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .logo-brand span {
            background: linear-gradient(135deg, var(--text-white), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 6px 16px;
            transition: var(--transition);
        }
        .header-actions .search-box:focus-within {
            border-color: var(--secondary);
            background: rgba(255, 255, 255, 0.1);
        }
        .header-actions .search-box input {
            background: none;
            border: none;
            color: var(--text-white);
            padding: 4px 8px;
            width: 160px;
            outline: none;
            font-size: 14px;
        }
        .header-actions .search-box input::placeholder {
            color: var(--text-dim);
        }
        .header-actions .search-box button {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 4px;
            transition: var(--transition);
        }
        .header-actions .search-box button:hover {
            color: var(--secondary);
        }
        .btn-cta-nav {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-hover));
            color: var(--primary) !important;
            border: none;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 14px;
            transition: var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 192, 64, 0.3);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 8px 0 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav .nav-item {
            flex-shrink: 0;
        }
        .channel-nav .nav-link {
            display: block;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .channel-nav .nav-link:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--border-color);
        }
        .channel-nav .nav-link.active {
            color: var(--primary);
            background: var(--secondary);
            border-color: var(--secondary);
            font-weight: 700;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
        }
        @media (max-width: 768px) {
            .header-actions .search-box input {
                width: 100px;
            }
            .header-actions .btn-cta-nav {
                padding: 6px 14px;
                font-size: 12px;
            }
            .logo-brand {
                font-size: 18px;
            }
            .logo-brand .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .channel-nav .nav-link {
                padding: 6px 14px;
                font-size: 13px;
            }
            .mobile-toggle {
                display: block;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .channel-wrap {
                display: none;
                width: 100%;
                padding-top: 8px;
            }
            .channel-wrap.open {
                display: block;
            }
            .channel-nav {
                flex-wrap: wrap;
                padding: 4px 0 8px;
            }
            .channel-nav .nav-link {
                flex: 1 1 auto;
                text-align: center;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 24px;
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(7, 10, 20, 0.3) 0%, rgba(7, 10, 20, 0.85) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 200px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(240, 192, 64, 0.12);
            border: 1px solid rgba(240, 192, 64, 0.25);
            color: var(--secondary);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }
        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 20px;
            color: var(--text-white);
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--secondary), #ffd866);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-hover));
            color: var(--primary) !important;
            border: none;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 8px 32px rgba(240, 192, 64, 0.25);
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(240, 192, 64, 0.35);
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            color: var(--text-white) !important;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            cursor: pointer;
            backdrop-filter: blur(8px);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--secondary);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
        }
        .hero-stat-item .label {
            font-size: 14px;
            color: var(--text-dim);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
                padding: 60px 16px;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-item .num {
                font-size: 1.6rem;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 14px 28px;
                font-size: 14px;
            }
        }

        /* ===== Section通用 ===== */
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 48px 0;
        }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-title-center {
            text-align: center;
        }
        .section-sub-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            border-radius: 4px;
            margin: 16px 0 24px;
        }
        .section-divider-center {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-pad {
                padding: 48px 0;
            }
            .section-pad-sm {
                padding: 32px 0;
            }
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .card-custom:hover {
            background: var(--bg-card-hover);
            border-color: rgba(240, 192, 64, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-custom .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(240, 192, 64, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--secondary);
            margin-bottom: 16px;
        }
        .card-custom h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        .card-custom p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(74, 124, 247, 0.12);
            color: var(--accent);
            margin-bottom: 12px;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(240, 192, 64, 0.3);
        }
        .category-card .cat-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .category-card .cat-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover .cat-bg img {
            transform: scale(1.05);
        }
        .category-card .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 10, 20, 0.95) 0%, rgba(7, 10, 20, 0.2) 100%);
            z-index: 1;
        }
        .category-card .cat-body {
            position: relative;
            z-index: 2;
            padding: 28px;
            width: 100%;
        }
        .category-card .cat-body h4 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .category-card .cat-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .category-card .cat-body .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--secondary);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }
        .category-card .cat-body .cat-link:hover {
            gap: 14px;
            color: var(--secondary-hover);
        }
        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-card {
                min-height: 220px;
            }
            .category-card .cat-body {
                padding: 20px;
            }
            .category-card .cat-body h4 {
                font-size: 1.2rem;
            }
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(240, 192, 64, 0.15);
            transform: translateX(4px);
        }
        .news-item .news-img {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--primary-light);
        }
        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-content h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-white);
            line-height: 1.4;
        }
        .news-item .news-content h5 a {
            color: var(--text-white);
            transition: var(--transition);
        }
        .news-item .news-content h5 a:hover {
            color: var(--secondary);
        }
        .news-item .news-content .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 6px;
        }
        .news-item .news-content .news-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .news-content .news-meta .cat-tag {
            display: inline-block;
            padding: 1px 10px;
            border-radius: 50px;
            background: rgba(74, 124, 247, 0.1);
            color: var(--accent);
            font-size: 12px;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-dim);
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px dashed var(--border-color);
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                padding: 16px;
                gap: 12px;
            }
            .news-item .news-img {
                width: 100%;
                height: 140px;
            }
        }

        /* ===== 数据/流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 192, 64, 0.2);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-hover));
            color: var(--primary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .step-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .step-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .step-card .step-arrow {
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--secondary);
            font-size: 20px;
            opacity: 0.4;
        }
        @media (max-width: 992px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-card .step-arrow {
                display: none;
            }
        }
        @media (max-width: 576px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 统计数字 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-block {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .stat-block:hover {
            border-color: rgba(240, 192, 64, 0.2);
            transform: translateY(-2px);
        }
        .stat-block .stat-icon {
            font-size: 32px;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .stat-block .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            display: block;
        }
        .stat-block .stat-label {
            font-size: 14px;
            color: var(--text-dim);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-block .stat-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 192, 64, 0.15);
        }
        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            transition: var(--transition);
            gap: 12px;
        }
        .faq-item .faq-q:hover {
            color: var(--secondary);
        }
        .faq-item .faq-q .faq-toggle {
            font-size: 18px;
            color: var(--text-dim);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-q .faq-toggle.open {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-a.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            position: relative;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(7, 10, 20, 0.8);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .btn-cta-large {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-hover));
            color: var(--primary) !important;
            border: none;
            padding: 18px 48px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 18px;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 8px 32px rgba(240, 192, 64, 0.25);
            display: inline-block;
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(240, 192, 64, 0.35);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .btn-cta-large {
                padding: 14px 32px;
                font-size: 16px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-brand {
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h6 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-white);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-bottom a {
            color: var(--text-dim);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 16px;
        }
        .footer-social a:hover {
            background: var(--secondary);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 按钮通用 ===== */
        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-white);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(240, 192, 64, 0.05);
        }

        /* ===== 其他组件 ===== */
        .text-glow {
            text-shadow: 0 0 40px rgba(240, 192, 64, 0.15);
        }
        .bg-section-alt {
            background: rgba(11, 14, 26, 0.5);
        }
        .border-section {
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        /* ===== 文章页专用 ===== */
        .article-header {
            padding: 40px 0 24px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 32px;
        }
        .article-header h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--text-dim);
            font-size: 14px;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-muted);
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
        }
        .article-body h2,
        .article-body h3 {
            color: var(--text-white);
            margin-top: 32px;
            margin-bottom: 16px;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
            list-style: disc;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            color: var(--text-dim);
        }
        .article-not-found h2 {
            font-size: 2rem;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .article-not-found a {
            color: var(--secondary);
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            padding: 60px 0;
            background: url('/assets/images/backpic/back-3.png') no-repeat center center / cover;
            position: relative;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(7, 10, 20, 0.75);
            z-index: 1;
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .category-hero p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 560px;
        }

        /* ===== 文章网格 ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 192, 64, 0.2);
        }
        .article-card .art-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--primary-light);
        }
        .article-card .art-body {
            padding: 20px;
        }
        .article-card .art-body .art-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            background: rgba(74, 124, 247, 0.1);
            color: var(--accent);
            margin-bottom: 8px;
        }
        .article-card .art-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-card .art-body h5 a {
            color: var(--text-white);
            transition: var(--transition);
        }
        .article-card .art-body h5 a:hover {
            color: var(--secondary);
        }
        .article-card .art-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .art-body .art-meta {
            font-size: 13px;
            color: var(--text-dim);
        }
        @media (max-width: 992px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 滚动动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 按钮通用修复 ===== */
        .btn,
        .btn:hover,
        .btn:focus,
        .btn:active {
            text-decoration: none !important;
        }
        button:focus:not(:focus-visible) {
            outline: none;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --secondary: #0f3460;
            --accent: #e94560;
            --accent-light: #ff6b81;
            --gold: #f5c518;
            --gold-light: #ffe082;
            --star-dust: #c4c4c4;
            --dark-bg: #0a0a1a;
            --card-bg: #12122a;
            --card-border: rgba(255, 255, 255, 0.06);
            --text-primary: #f0f0f5;
            --text-secondary: #a0a0b8;
            --text-muted: #6a6a80;
            --border-color: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 16px 48px rgba(233, 69, 96, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
        }

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

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

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

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--gold-light);
        }

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

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

        /* ===== 容器 ===== */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0 0 0 0;
        }

        .site-header .container-custom {
            padding-top: 0;
            padding-bottom: 0;
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 12px;
        }

        .logo-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.5px;
            transition: opacity var(--transition);
        }
        .logo-brand:hover {
            color: var(--text-primary);
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 4px 4px 4px 18px;
            transition: border-color var(--transition), background var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.08);
        }
        .search-box input {
            background: transparent;
            color: var(--text-primary);
            border: none;
            padding: 8px 0;
            min-width: 160px;
            font-size: 14px;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            border: none;
            font-size: 14px;
        }
        .search-box button:hover {
            background: var(--accent-light);
            transform: scale(1.05);
        }

        .btn-cta-nav {
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.25);
            white-space: nowrap;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(233, 69, 96, 0.35);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            border: none;
            transition: color var(--transition);
        }
        .mobile-toggle:hover {
            color: var(--gold);
        }

        /* ===== 频道导航 Tabs ===== */
        .channel-wrap {
            border-top: 1px solid var(--border-color);
            padding: 0 0 0 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-wrap::-webkit-scrollbar {
            display: none;
        }

        .channel-nav {
            display: flex;
            gap: 4px;
            padding: 8px 0 10px;
            min-width: max-content;
        }

        .channel-nav .nav-item {
            padding: 8px 24px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .channel-nav .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .channel-nav .nav-item.active {
            color: #fff;
            background: var(--accent);
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--dark-bg);
            overflow: hidden;
            padding: 80px 24px 60px;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 26, 0.3) 0%, var(--dark-bg) 100%);
            z-index: 1;
        }
        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .category-banner h1 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 60%, var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
        }
        .category-banner p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .category-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .category-banner .banner-tags .tag {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition), color var(--transition);
        }
        .category-banner .banner-tags .tag:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-header h2 .highlight {
            background: linear-gradient(135deg, var(--gold), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
            border-radius: 4px;
            margin: 16px auto 0;
        }

        /* ===== 卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .card-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(233, 69, 96, 0.15);
        }
        .card-item .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--primary-light);
        }
        .card-item .card-body {
            padding: 24px 22px 26px;
        }
        .card-item .card-tag {
            display: inline-block;
            background: rgba(233, 69, 96, 0.12);
            color: var(--accent-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            border: 1px solid rgba(233, 69, 96, 0.1);
        }
        .card-item h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-item h3 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .card-item h3 a:hover {
            color: var(--gold);
        }
        .card-item .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .card-item .card-meta i {
            margin-right: 4px;
        }
        .card-item .card-desc {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 6px;
        }

        /* ===== 星空摄影技巧 - 特色板块 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            padding: 28px 20px 24px;
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-card);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 197, 24, 0.15);
        }
        .feature-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(233, 69, 96, 0.2), rgba(15, 52, 96, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--gold);
            border: 1px solid rgba(245, 197, 24, 0.1);
        }
        .feature-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== 观测工具 / 数据面板 ===== */
        .tools-panel {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px 32px;
        }
        .tool-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .tool-item .tool-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(233, 69, 96, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gold);
            flex-shrink: 0;
            border: 1px solid rgba(245, 197, 24, 0.08);
        }
        .tool-item .tool-info h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .tool-item .tool-info p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== 观测地点推荐 ===== */
        .location-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .location-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-card);
        }
        .location-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .location-card .loc-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--primary-light);
        }
        .location-card .loc-body {
            padding: 20px 20px 22px;
        }
        .location-card .loc-body h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .location-card .loc-body .loc-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            margin-bottom: 8px;
        }
        .location-card .loc-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .location-card .loc-body .loc-tag {
            display: inline-block;
            background: rgba(15, 52, 96, 0.3);
            color: var(--star-dust);
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 50px;
            margin-top: 8px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(233, 69, 96, 0.15);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question i {
            color: var(--gold);
            font-size: 14px;
            transition: transform var(--transition);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: var(--star-dust);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta-big {
            background: var(--accent);
            color: #fff;
            padding: 14px 44px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 17px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 6px 24px rgba(233, 69, 96, 0.3);
            border: none;
            cursor: pointer;
        }
        .cta-section .btn-cta-big:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(233, 69, 96, 0.4);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
            margin-top: 8px;
        }
        .footer-col h6 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0 24px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 16px;
            transition: background var(--transition), color var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .location-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            .header-top {
                padding: 12px 0;
            }
            .logo-brand {
                font-size: 18px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .search-box {
                display: none !important;
            }
            .btn-cta-nav {
                display: none !important;
            }
            .mobile-toggle {
                display: block;
            }
            .channel-nav .nav-item {
                font-size: 13px;
                padding: 6px 16px;
            }

            .category-banner {
                min-height: 240px;
                padding: 60px 16px 40px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner p {
                font-size: 15px;
            }

            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }

            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .location-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .tools-panel {
                padding: 24px 20px;
                grid-template-columns: 1fr 1fr;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .tools-panel {
                grid-template-columns: 1fr;
            }
            .category-banner h1 {
                font-size: 24px;
            }
            .card-item .card-body {
                padding: 18px 16px 20px;
            }
            .card-item h3 {
                font-size: 18px;
            }
        }

        /* ===== 移动端导航抽屉 ===== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(10, 10, 26, 0.96);
            backdrop-filter: blur(20px);
            z-index: 1060;
            display: none;
            flex-direction: column;
            padding: 80px 24px 40px;
            overflow-y: auto;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-drawer.open {
            display: flex;
            opacity: 1;
        }
        .mobile-drawer .drawer-close {
            position: absolute;
            top: 18px;
            right: 20px;
            background: transparent;
            color: var(--text-primary);
            font-size: 28px;
            border: none;
            cursor: pointer;
        }
        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .mobile-drawer .drawer-nav a {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            text-decoration: none;
            transition: color var(--transition);
        }
        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            color: var(--gold);
        }
        .mobile-drawer .drawer-actions {
            margin-top: 32px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .mobile-drawer .drawer-actions .btn-cta-nav {
            display: inline-flex;
            justify-content: center;
        }
        .mobile-drawer .drawer-search {
            display: flex;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 4px 4px 4px 18px;
        }
        .mobile-drawer .drawer-search input {
            background: transparent;
            color: var(--text-primary);
            border: none;
            padding: 10px 0;
            flex: 1;
            font-size: 15px;
        }
        .mobile-drawer .drawer-search input::placeholder {
            color: var(--text-muted);
        }
        .mobile-drawer .drawer-search button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            border: none;
            cursor: pointer;
        }
        body.drawer-open {
            overflow: hidden;
        }

/* roulang page: article */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #e94560;
            --accent-hover: #d63850;
            --gold: #f5c518;
            --gold-light: #ffe082;
            --star-blue: #0f3460;
            --deep-space: #0a0a1a;
            --surface: #1a1a2e;
            --surface-light: #222244;
            --card-bg: #1e1e3a;
            --card-border: #2a2a4a;
            --text-primary: #f0f0f8;
            --text-secondary: #b0b0c8;
            --text-muted: #7a7a9a;
            --bg-gradient: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 50%, #0f3460 100%);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(233,69,96,0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s 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; }
        body {
            font-family: var(--font-sans);
            background: var(--deep-space);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a { color: var(--gold); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--gold-light); }
        img { max-width: 100%; height: auto; display: block; }
        .container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

        /* Header */
        .site-header {
            background: rgba(10,10,26,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(10,10,26,0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
        }
        .logo-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary) !important;
            letter-spacing: -0.5px;
        }
        .logo-brand .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 0 20px rgba(233,69,96,0.3);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 50px;
            overflow: hidden;
            transition: var(--transition);
        }
        .search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 20px rgba(233,69,96,0.1); }
        .search-box input {
            background: transparent;
            border: none;
            padding: 8px 16px;
            color: var(--text-primary);
            font-size: 0.9rem;
            outline: none;
            min-width: 180px;
        }
        .search-box input::placeholder { color: var(--text-muted); }
        .search-box button {
            background: transparent;
            border: none;
            padding: 8px 16px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover { color: var(--gold); }
        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .btn-cta-nav:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(233,69,96,0.3); }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px;
        }
        .channel-wrap {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-wrap::-webkit-scrollbar { display: none; }
        .channel-nav {
            display: flex;
            gap: 4px;
            padding: 8px 0;
            white-space: nowrap;
        }
        .channel-nav .nav-item {
            padding: 8px 20px;
            border-radius: 50px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .channel-nav .nav-item:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
        .channel-nav .nav-item.active {
            color: #fff;
            background: var(--accent);
            box-shadow: 0 4px 15px rgba(233,69,96,0.25);
        }
        .channel-nav .nav-item.active:hover { background: var(--accent-hover); }

        /* Page Banner */
        .page-banner {
            background: linear-gradient(135deg, #0a0a1a 0%, #16213e 50%, #0f3460 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 1;
        }
        .page-banner .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 16px;
            font-size: 0.85rem;
        }
        .page-banner .breadcrumb-item { color: var(--text-muted); }
        .page-banner .breadcrumb-item a { color: var(--gold); }
        .page-banner .breadcrumb-item.active { color: var(--text-secondary); }
        .page-banner .breadcrumb-item+.breadcrumb-item::before { color: var(--text-muted); }
        .page-banner h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .page-banner .meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .page-banner .meta-row .badge-cat {
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .page-banner .meta-row i { margin-right: 6px; color: var(--gold); }

        /* Article Main */
        .article-main {
            padding: 60px 0 80px;
            background: var(--deep-space);
        }
        .article-body {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-md);
        }
        .article-body .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-body .article-content p {
            margin-bottom: 1.5rem;
        }
        .article-body .article-content h2,
        .article-body .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
            color: var(--gold);
        }
        .article-body .article-content h2 { font-size: 1.6rem; }
        .article-body .article-content h3 { font-size: 1.3rem; }
        .article-body .article-content ul, 
        .article-body .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        .article-body .article-content li { margin-bottom: 0.5rem; }
        .article-body .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(233,69,96,0.08);
            padding: 16px 24px;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .article-content a { color: var(--gold); text-decoration: underline; }
        .article-body .article-content a:hover { color: var(--gold-light); }
        .article-footer-bar {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--card-border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-footer-bar .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-footer-bar .tags .tag {
            background: rgba(255,255,255,0.06);
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }
        .article-footer-bar .tags .tag:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
        .article-footer-bar .share-links {
            display: flex;
            gap: 10px;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-footer-bar .share-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: var(--text-secondary);
            transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.08);
        }
        .article-footer-bar .share-links a:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

        /* Not Found */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
        }
        .not-found-box .icon-big {
            font-size: 4rem;
            color: var(--accent);
            margin-bottom: 20px;
            opacity: 0.6;
        }
        .not-found-box h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 24px; }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .not-found-box .btn-back:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(233,69,96,0.3); }

        /* Related Posts */
        .related-section {
            margin-top: 60px;
        }
        .related-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section h3 i { color: var(--gold); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
        .related-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: var(--surface-light);
        }
        .related-card .card-body {
            padding: 16px 20px 20px;
        }
        .related-card .card-body .cat-tag {
            display: inline-block;
            background: rgba(233,69,96,0.15);
            color: var(--accent);
            padding: 2px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-card .card-body h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body h5 a { color: var(--text-primary); }
        .related-card .card-body h5 a:hover { color: var(--gold); }
        .related-card .card-body .meta-sm {
            color: var(--text-muted);
            font-size: 0.8rem;
            display: flex;
            gap: 12px;
        }
        .related-card .card-body .meta-sm i { margin-right: 4px; }

        /* Footer */
        .site-footer {
            background: rgba(10,10,26,0.95);
            border-top: 1px solid rgba(255,255,255,0.05);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-top: 12px; }
        .footer-col h6 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: var(--text-secondary); font-size: 0.9rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--gold); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            color: var(--text-secondary);
            transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.06);
        }
        .footer-social a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }

        /* Mobile */
        @media (max-width: 992px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
            .page-banner h1 { font-size: 1.8rem; }
            .article-body { padding: 32px; }
        }
        @media (max-width: 768px) {
            .search-box { display: none !important; }
            .mobile-toggle { display: block; }
            .btn-cta-nav { padding: 8px 14px; font-size: 0.8rem; }
            .btn-cta-nav span { display: none; }
            .channel-nav { padding: 6px 0; }
            .channel-nav .nav-item { padding: 6px 14px; font-size: 0.8rem; }
            .page-banner { padding: 40px 0 32px; }
            .page-banner h1 { font-size: 1.5rem; }
            .page-banner .meta-row { font-size: 0.8rem; gap: 10px; }
            .article-body { padding: 24px 20px; border-radius: var(--radius-md); }
            .article-body .article-content { font-size: 0.98rem; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .related-grid { grid-template-columns: 1fr; }
            .container-custom { padding: 0 16px; }
            .container-narrow { padding: 0 16px; }
        }
        @media (max-width: 480px) {
            .page-banner h1 { font-size: 1.3rem; }
            .article-body { padding: 16px; }
            .header-top { padding: 10px 0; }
            .logo-brand { font-size: 1.2rem; }
            .logo-brand .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #f0c040;
            --primary-dark: #d4a830;
            --primary-light: #fade7a;
            --secondary: #2a4a7a;
            --secondary-light: #3d6a9a;
            --accent: #e86a3a;
            --bg-dark: #0b0e1a;
            --bg-card: #13182a;
            --bg-card-hover: #1a2040;
            --bg-section: #0f1424;
            --bg-section-alt: #0a0d18;
            --text-light: #f0f2f8;
            --text-muted: #9aa3c0;
            --text-dim: #5a6380;
            --border-color: rgba(240, 192, 64, 0.15);
            --border-glow: rgba(240, 192, 64, 0.3);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(240, 192, 64, 0.06);
            --shadow-glow: 0 0 40px rgba(240, 192, 64, 0.08);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }

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

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

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

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .section-title {
            font-size: 2.4rem;
            margin-bottom: 12px;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-header {
            margin-bottom: 48px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0b0e1a;
            box-shadow: 0 4px 20px rgba(240, 192, 64, 0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(240, 192, 64, 0.45);
            color: #0b0e1a;
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--border-glow);
        }
        .btn-outline-custom:hover {
            background: rgba(240, 192, 64, 0.1);
            color: var(--primary-light);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-ghost-custom {
            background: rgba(240, 192, 64, 0.08);
            color: var(--primary);
            border: 1px solid var(--border-color);
        }
        .btn-ghost-custom:hover {
            background: rgba(240, 192, 64, 0.18);
            color: var(--primary-light);
            border-color: var(--border-glow);
            transform: translateY(-2px);
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 90px 0;
        }
        .section-padding-sm {
            padding: 60px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: rgba(11, 14, 26, 0.92);
            backdrop-filter: blur(20px) saturate(1.3);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1040;
            transition: var(--transition);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 8px;
        }

        .logo-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.55rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.02em;
        }
        .logo-brand:hover {
            color: var(--primary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            color: #0b0e1a;
            font-size: 1.2rem;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 4px 4px 4px 18px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--border-glow);
            box-shadow: 0 0 20px rgba(240, 192, 64, 0.08);
        }
        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-light);
            font-size: 0.85rem;
            outline: none;
            width: 160px;
            padding: 6px 0;
        }
        .search-box input::placeholder {
            color: var(--text-dim);
        }
        .search-box button {
            background: rgba(240, 192, 64, 0.12);
            border: none;
            color: var(--primary);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .search-box button:hover {
            background: var(--primary);
            color: #0b0e1a;
        }

        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0b0e1a;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(240, 192, 64, 0.35);
            color: #0b0e1a;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .channel-wrap {
            padding-bottom: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-wrap::-webkit-scrollbar {
            display: none;
        }

        .channel-nav {
            display: flex;
            gap: 4px;
            padding: 2px 0;
            min-width: max-content;
        }

        .channel-nav .nav-item {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .channel-nav .nav-item:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.04);
        }
        .channel-nav .nav-item.active {
            color: #0b0e1a;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(240, 192, 64, 0.25);
        }

        @media (max-width: 768px) {
            .header-top {
                padding: 10px 0 6px;
            }
            .logo-brand {
                font-size: 1.3rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .search-box {
                display: none !important;
            }
            .btn-cta-nav {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .btn-cta-nav span {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .channel-nav .nav-item {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .btn-cta-nav i {
                margin-right: 0 !important;
            }
            .btn-cta-nav span {
                display: none;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 80px;
            background: var(--bg-section);
            overflow: hidden;
            text-align: center;
        }
        .page-banner-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 1;
        }
        .page-banner h1 {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto;
        }
        .page-banner .breadcrumb-wrap {
            margin-bottom: 24px;
            color: var(--text-dim);
            font-size: 0.9rem;
        }
        .page-banner .breadcrumb-wrap a {
            color: var(--text-muted);
        }
        .page-banner .breadcrumb-wrap a:hover {
            color: var(--primary);
        }
        .page-banner .breadcrumb-wrap span {
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 70px 0 50px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(240, 192, 64, 0.12);
            background: var(--bg-card-hover);
        }
        .card-custom .card-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 18px;
        }
        .card-custom h5 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .card-custom p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .card-feature {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition);
            height: 100%;
            text-align: center;
        }
        .card-feature:hover {
            transform: translateY(-4px);
            border-color: var(--border-glow);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        }
        .card-feature .feat-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: rgba(240, 192, 64, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            margin: 0 auto 18px;
            transition: var(--transition);
        }
        .card-feature:hover .feat-icon {
            background: rgba(240, 192, 64, 0.2);
            transform: scale(1.05);
        }
        .card-feature h5 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .card-feature p {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 0;
        }

        /* ===== Entry Cards ===== */
        .entry-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
        }
        .entry-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-glow);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
        }
        .entry-card .entry-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(240, 192, 64, 0.12);
            color: var(--primary);
            margin-bottom: 14px;
            align-self: flex-start;
            border: 1px solid var(--border-color);
        }
        .entry-card h5 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .entry-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex: 1;
        }
        .entry-card .entry-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.82rem;
            color: var(--text-dim);
        }
        .entry-card .entry-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 500;
            font-size: 0.88rem;
            margin-top: 12px;
            transition: var(--transition);
        }
        .entry-card .entry-link:hover {
            gap: 10px;
            color: var(--primary-light);
        }

        /* ===== Steps ===== */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0b0e1a;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
        }
        .step-content h5 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .step-content p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-glow);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            gap: 16px;
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 540px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.92rem;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn-custom {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080a14;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h6 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.85rem;
            color: var(--text-dim);
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-social a:hover {
            background: rgba(240, 192, 64, 0.15);
            color: var(--primary);
            border-color: var(--border-glow);
            transform: translateY(-2px);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-glow {
            color: var(--primary);
        }
        .bg-section-dark {
            background: var(--bg-section);
        }
        .bg-section-alt {
            background: var(--bg-section-alt);
        }

        .divider-glow {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            border-radius: 4px;
            margin: 0 auto 20px;
        }

        /* ===== Responsive grid tweaks ===== */
        @media (max-width: 576px) {
            .row-cols-2>* {
                flex: 0 0 100%;
                max-width: 100%;
            }
        }

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

        /* ===== Stats block ===== */
        .stat-block {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin: 40px 0 0;
        }
        .stat-item {
            text-align: center;
            padding: 24px 12px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .stat-block {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== Cover image card ===== */
        .cover-wrapper {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            background: var(--bg-card);
        }
        .cover-wrapper:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }
        .cover-wrapper img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: var(--transition);
        }
        .cover-wrapper:hover img {
            transform: scale(1.03);
        }
        .cover-wrapper .cover-body {
            padding: 18px 20px 22px;
        }
        .cover-wrapper .cover-body h5 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .cover-wrapper .cover-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 0;
        }

        /* ===== Tag badges ===== */
        .tag-badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 500;
            background: rgba(240, 192, 64, 0.08);
            color: var(--primary);
            border: 1px solid rgba(240, 192, 64, 0.12);
            margin-right: 6px;
            margin-bottom: 6px;
        }
        .tag-badge:hover {
            background: rgba(240, 192, 64, 0.18);
        }