/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-primary: #0b0f2a;
            --clr-primary-light: #141852;
            --clr-accent: #f0b90b;
            --clr-accent-hover: #d4a309;
            --clr-accent-soft: rgba(240, 185, 11, 0.12);
            --clr-bg: #f5f6fa;
            --clr-bg-card: #ffffff;
            --clr-bg-dark: #0b0f2a;
            --clr-text: #1a1a2e;
            --clr-text-light: #5a5a7a;
            --clr-text-inverse: #f0f0f8;
            --clr-border: #e0e2ee;
            --clr-border-light: #eef0f6;
            --clr-success: #16a34a;
            --clr-info: #2563eb;
            --clr-warning: #ea580c;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(11, 15, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(11, 15, 42, 0.10);
            --shadow-lg: 0 16px 48px rgba(11, 15, 42, 0.14);
            --shadow-glow: 0 0 30px rgba(240, 185, 11, 0.20);
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 24px;
            --space-lg: 48px;
            --space-xl: 72px;
            --space-2xl: 100px;
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.6;
            color: var(--clr-text);
            background: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1em;
            border: none;
            outline: none;
            background: none;
            transition: all var(--transition);
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            color: var(--clr-text);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            color: var(--clr-text-light);
            margin-bottom: var(--space-sm);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        /* ===== 通用组件 ===== */
        .section {
            padding: var(--space-xl) 0;
        }
        .section-dark {
            background: var(--clr-bg-dark);
            color: var(--clr-text-inverse);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--clr-text-inverse);
        }
        .section-dark .text-weak {
            color: rgba(240, 240, 248, 0.7);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-lg);
        }
        .section-header h2 {
            margin-bottom: var(--space-xs);
        }
        .section-header p {
            max-width: 620px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .text-accent {
            color: var(--clr-accent);
        }
        .text-weak {
            color: var(--clr-text-light);
        }
        .badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            background: var(--clr-accent-soft);
            color: var(--clr-accent);
            letter-spacing: 0.3px;
        }
        .badge-dark {
            background: rgba(240, 185, 11, 0.18);
            color: var(--clr-accent);
        }
        .badge-sm {
            font-size: 0.65rem;
            padding: 2px 10px;
        }
        .divider {
            width: 60px;
            height: 4px;
            background: var(--clr-accent);
            border-radius: 4px;
            margin: var(--space-sm) auto var(--space-md);
        }
        .divider-left {
            margin: var(--space-sm) 0 var(--space-md);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--clr-accent);
            color: var(--clr-primary);
            border-color: var(--clr-accent);
        }
        .btn-primary:hover {
            background: var(--clr-accent-hover);
            border-color: var(--clr-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: var(--clr-accent);
            border-color: var(--clr-accent);
        }
        .btn-outline:hover {
            background: var(--clr-accent);
            color: var(--clr-primary);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--clr-text-inverse);
            border-color: rgba(240, 240, 248, 0.35);
        }
        .btn-outline-light:hover {
            background: rgba(240, 240, 248, 0.10);
            border-color: rgba(240, 240, 248, 0.6);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            color: var(--clr-text-light);
            border-color: transparent;
        }
        .btn-ghost:hover {
            background: var(--clr-accent-soft);
            color: var(--clr-accent);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
        }

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 15, 42, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(240, 240, 248, 0.08);
            transition: background var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--clr-text-inverse);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--clr-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--clr-primary);
        }
        .header-logo .logo-star {
            color: var(--clr-accent);
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }
        .header-nav a {
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(240, 240, 248, 0.75);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .header-nav a:hover {
            color: var(--clr-text-inverse);
            background: rgba(240, 240, 248, 0.07);
        }
        .header-nav a.active {
            color: var(--clr-accent);
            background: rgba(240, 185, 11, 0.12);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(240, 240, 248, 0.08);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--clr-accent);
            background: rgba(240, 240, 248, 0.12);
        }
        .header-search input {
            padding: 8px 6px;
            font-size: 0.85rem;
            color: var(--clr-text-inverse);
            background: transparent;
            width: 120px;
        }
        .header-search input::placeholder {
            color: rgba(240, 240, 248, 0.4);
        }
        .header-search button {
            color: rgba(240, 240, 248, 0.5);
            font-size: 0.9rem;
            padding: 4px;
        }
        .header-search button:hover {
            color: var(--clr-accent);
        }
        .header-btn {
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: var(--clr-accent);
            color: var(--clr-primary);
            transition: all var(--transition);
        }
        .header-btn:hover {
            background: var(--clr-accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow);
        }
        .header-btn:active {
            transform: translateY(0);
        }
        .header-login {
            font-size: 0.85rem;
            font-weight: 500;
            color: rgba(240, 240, 248, 0.7);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .header-login:hover {
            color: var(--clr-text-inverse);
            background: rgba(240, 240, 248, 0.07);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--clr-text-inverse);
            border-radius: 4px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            padding-top: var(--header-height);
            background: var(--clr-primary);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.45;
            mix-blend-mode: luminosity;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(11, 15, 42, 0.50) 0%, var(--clr-primary) 80%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding: var(--space-xl) 0;
        }
        .hero-badge {
            display: inline-block;
            font-size: 0.80rem;
            font-weight: 600;
            padding: 6px 20px;
            border-radius: 100px;
            background: rgba(240, 185, 11, 0.16);
            color: var(--clr-accent);
            margin-bottom: var(--space-md);
            letter-spacing: 0.5px;
            border: 1px solid rgba(240, 185, 11, 0.20);
        }
        .hero h1 {
            font-size: 3.4rem;
            font-weight: 800;
            color: var(--clr-text-inverse);
            line-height: 1.15;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--clr-accent), #f7d94a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: rgba(240, 240, 248, 0.75);
            max-width: 560px;
            margin-bottom: var(--space-lg);
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            align-items: center;
        }
        .hero-stats {
            display: flex;
            gap: var(--space-lg);
            margin-top: var(--space-lg);
            padding-top: var(--space-md);
            border-top: 1px solid rgba(240, 240, 248, 0.08);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--clr-text-inverse);
            line-height: 1.2;
        }
        .hero-stat .num .accent {
            color: var(--clr-accent);
        }
        .hero-stat .label {
            font-size: 0.80rem;
            color: rgba(240, 240, 248, 0.55);
            margin-top: 2px;
        }

        /* ===== 板块通用 ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: var(--space-md);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: var(--space-md);
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--clr-border-light);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--clr-border);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: var(--space-md);
        }
        .card-body .tag {
            display: inline-block;
            font-size: 0.70rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 100px;
            background: var(--clr-accent-soft);
            color: var(--clr-accent);
            margin-bottom: var(--space-xs);
            letter-spacing: 0.3px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: var(--space-xs);
        }
        .card-body h3 a {
            color: var(--clr-text);
            transition: color var(--transition);
        }
        .card-body h3 a:hover {
            color: var(--clr-accent);
        }
        .card-body p {
            font-size: 0.90rem;
            color: var(--clr-text-light);
            margin-bottom: var(--space-sm);
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 0.78rem;
            color: var(--clr-text-light);
            padding-top: var(--space-sm);
            border-top: 1px solid var(--clr-border-light);
        }
        .card-meta .cat {
            background: var(--clr-border-light);
            padding: 2px 10px;
            border-radius: 100px;
            font-size: 0.70rem;
        }

        /* ===== 特色卡片（icon 风格） ===== */
        .feature-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-lg) var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--clr-border);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--clr-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto var(--space-sm);
            color: var(--clr-accent);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: var(--space-xs);
        }
        .feature-card p {
            font-size: 0.90rem;
            color: var(--clr-text-light);
            margin-bottom: 0;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 3 / 2;
            background: var(--clr-primary);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
            transition: opacity var(--transition), transform var(--transition);
        }
        .category-card:hover img {
            opacity: 0.70;
            transform: scale(1.05);
        }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 15, 42, 0.85) 0%, rgba(11, 15, 42, 0.15) 60%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--space-md);
        }
        .category-card .overlay h3 {
            font-size: 1.1rem;
            color: var(--clr-text-inverse);
            margin-bottom: 4px;
        }
        .category-card .overlay p {
            font-size: 0.80rem;
            color: rgba(240, 240, 248, 0.7);
            margin-bottom: 0;
        }
        .category-card .overlay .count {
            position: absolute;
            top: var(--space-sm);
            right: var(--space-sm);
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-size: 0.70rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 100px;
        }

        /* ===== 内容列表 ===== */
        .post-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
        }
        .post-card {
            display: flex;
            gap: var(--space-md);
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: all var(--transition);
        }
        .post-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--clr-border);
        }
        .post-card .thumb {
            width: 160px;
            min-height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--clr-primary-light);
        }
        .post-card .info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .post-card .info .tag {
            font-size: 0.70rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 100px;
            background: var(--clr-accent-soft);
            color: var(--clr-accent);
            display: inline-block;
            width: fit-content;
            margin-bottom: 6px;
        }
        .post-card .info h3 {
            font-size: 1rem;
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .post-card .info h3 a {
            color: var(--clr-text);
        }
        .post-card .info h3 a:hover {
            color: var(--clr-accent);
        }
        .post-card .info p {
            font-size: 0.82rem;
            color: var(--clr-text-light);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card .info .meta {
            font-size: 0.75rem;
            color: var(--clr-text-light);
            display: flex;
            gap: var(--space-sm);
            align-items: center;
        }
        .post-card .info .meta .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--clr-border);
        }
        .empty-list {
            grid-column: 1 / -1;
            text-align: center;
            padding: var(--space-xl) 0;
            color: var(--clr-text-light);
            font-size: 1rem;
        }
        .empty-list .empty-icon {
            font-size: 2.4rem;
            margin-bottom: var(--space-sm);
            opacity: 0.4;
        }

        /* ===== 步骤流程 ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
            position: relative;
        }
        .steps::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: var(--clr-border);
            z-index: 0;
        }
        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--clr-accent);
            color: var(--clr-primary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            box-shadow: 0 0 0 4px var(--clr-bg-card);
        }
        .step-item h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--clr-text-light);
            margin-bottom: 0;
        }
        .section-dark .steps::before {
            background: rgba(240, 240, 248, 0.15);
        }
        .section-dark .step-num {
            box-shadow: 0 0 0 4px var(--clr-bg-dark);
        }
        .section-dark .step-item p {
            color: rgba(240, 240, 248, 0.7);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .stat-card {
            text-align: center;
            padding: var(--space-md);
            background: rgba(240, 240, 248, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(240, 240, 248, 0.06);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(240, 240, 248, 0.07);
            transform: translateY(-2px);
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--clr-accent);
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.88rem;
            color: rgba(240, 240, 248, 0.65);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--clr-bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--clr-border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--clr-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--space-md);
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-text);
            background: none;
            text-align: left;
            gap: var(--space-sm);
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--clr-border-light);
        }
        .faq-question .icon {
            font-size: 1.2rem;
            color: var(--clr-accent);
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 var(--space-md);
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--clr-text-light);
            padding-bottom: var(--space-md);
            margin-bottom: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .section-dark .faq-item {
            background: rgba(240, 240, 248, 0.04);
            border-color: rgba(240, 240, 248, 0.08);
        }
        .section-dark .faq-item:hover {
            border-color: rgba(240, 240, 248, 0.18);
        }
        .section-dark .faq-question {
            color: var(--clr-text-inverse);
        }
        .section-dark .faq-question:hover {
            background: rgba(240, 240, 248, 0.06);
        }
        .section-dark .faq-answer p {
            color: rgba(240, 240, 248, 0.7);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: luminosity;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: var(--space-2xl) 0;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2.4rem;
            color: var(--clr-text-inverse);
            margin-bottom: var(--space-sm);
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(240, 240, 248, 0.7);
            margin-bottom: var(--space-lg);
        }
        .cta-content .btn {
            font-size: 1.05rem;
            padding: 16px 44px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--clr-primary);
            color: var(--clr-text-inverse);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 1px solid rgba(240, 240, 248, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--clr-text-inverse);
            margin-bottom: var(--space-sm);
        }
        .footer-brand .logo .icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--clr-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--clr-primary);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(240, 240, 248, 0.55);
            max-width: 300px;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.90rem;
            color: var(--clr-text-inverse);
            margin-bottom: var(--space-sm);
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(240, 240, 248, 0.55);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--clr-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(240, 240, 248, 0.06);
            padding-top: var(--space-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.80rem;
            color: rgba(240, 240, 248, 0.45);
        }
        .footer-bottom a {
            color: rgba(240, 240, 248, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--clr-accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .post-card .thumb {
                width: 120px;
                min-height: 80px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            h1 {
                font-size: 2.0rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .hero {
                min-height: 70vh;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: var(--space-md);
                flex-wrap: wrap;
            }
            .hero-stat .num {
                font-size: 1.4rem;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .post-list {
                grid-template-columns: 1fr;
            }
            .post-card {
                flex-direction: column;
            }
            .post-card .thumb {
                width: 100%;
                min-height: 160px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .steps::before {
                display: none;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11, 15, 42, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: var(--space-md);
                border-bottom: 1px solid rgba(240, 240, 248, 0.08);
                gap: var(--space-xs);
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .header-search {
                display: none;
            }
            .header-login {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .cta-content h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--space-sm);
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }
            .stat-card .num {
                font-size: 1.6rem;
            }
            .header-btn {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--clr-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--clr-border);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--clr-text-light);
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 2px;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
:root {
    --primary: #e85d25;
    --primary-dark: #cc4a1a;
    --primary-light: #fdf0ea;
    --secondary: #1a2a3a;
    --secondary-light: #2a3f55;
    --accent: #f7b731;
    --bg-body: #f8f9fc;
    --bg-white: #ffffff;
    --bg-dark: #0f1a2b;
    --bg-card: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-weak: #8888a8;
    --text-white: #ffffff;
    --text-muted: #b0b8c8;
    --border: #e8ecf4;
    --border-light: #f0f2f8;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 8px 28px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 48px rgba(0,0,0,0.12);
    --shadow-card: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-hover: 0 12px 36px rgba(0,0,0,0.12);
    --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    --container: 1200px;
    --header-h: 72px;
    --gap: 24px;
    --gap-lg: 48px;
}

/* ===== Reset & Base ===== */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.7; color: var(--text-primary); background: var(--bg-body); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input,textarea,select { font-family: inherit; font-size: 1rem; outline: none; }
ul,ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }

/* ===== Container ===== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-left: var(--gap); padding-right: var(--gap); }

/* ===== Header & Navigation ===== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); height: var(--header-h); transition: var(--transition); }
.header.scrolled { box-shadow: var(--shadow-md); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 800; color: var(--text-primary); white-space: nowrap; }
.logo .icon { font-size: 1.6rem; color: var(--primary); }
.logo span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.header-nav { display: flex; align-items: center; gap: 6px; }
.header-nav a { padding: 8px 18px; border-radius: var(--radius-sm); font-size: 0.925rem; font-weight: 500; color: var(--text-secondary); transition: var(--transition); position: relative; }
.header-nav a:hover { color: var(--primary); background: var(--primary-light); }
.header-nav a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.header-nav a.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--primary); border-radius: 4px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-actions .search-box { display: flex; align-items: center; background: var(--bg-body); border: 1px solid var(--border); border-radius: 50px; padding: 0 16px; height: 40px; transition: var(--transition); }
.header-actions .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(232,93,37,0.12); }
.header-actions .search-box input { border: none; background: none; padding: 0 8px; font-size: 0.9rem; color: var(--text-primary); width: 140px; }
.header-actions .search-box input::placeholder { color: var(--text-weak); }
.header-actions .search-box i { color: var(--text-weak); font-size: 0.95rem; }
.header-actions .btn-header { padding: 8px 22px; border-radius: 50px; font-size: 0.9rem; font-weight: 600; transition: var(--transition); }
.header-actions .btn-header.btn-primary { background: var(--primary); color: #fff; }
.header-actions .btn-header.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,93,37,0.35); }
.mobile-toggle { display: none; font-size: 1.5rem; color: var(--text-primary); padding: 4px 8px; border-radius: var(--radius-sm); }

/* ===== Article Banner ===== */
.article-banner { margin-top: var(--header-h); position: relative; background: var(--bg-dark); min-height: 320px; display: flex; align-items: center; overflow: hidden; }
.article-banner .banner-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: 0.25; }
.article-banner .banner-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,26,43,0.88) 0%, rgba(15,26,43,0.60) 100%); }
.article-banner .container { position: relative; z-index: 2; padding-top: 48px; padding-bottom: 48px; }
.article-banner .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.875rem; color: var(--text-muted); margin-bottom: 20px; }
.article-banner .breadcrumb a { color: var(--text-muted); }
.article-banner .breadcrumb a:hover { color: var(--primary); }
.article-banner .breadcrumb i { font-size: 0.7rem; }
.article-banner .breadcrumb .current { color: var(--text-white); }
.article-banner h1 { font-size: 2.6rem; font-weight: 800; color: var(--text-white); max-width: 800px; line-height: 1.25; margin-bottom: 16px; }
.article-banner .meta { display: flex; flex-wrap: wrap; gap: 20px; color: var(--text-muted); font-size: 0.9rem; }
.article-banner .meta span { display: flex; align-items: center; gap: 6px; }
.article-banner .meta .badge { background: var(--primary); color: #fff; padding: 2px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; }

/* ===== Article Main ===== */
.article-main { padding: 48px 0 64px; }
.article-main .container { display: grid; grid-template-columns: 1fr 340px; gap: var(--gap-lg); align-items: start; }
.article-body { background: var(--bg-white); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 40px; overflow: hidden; }
.article-body .featured-image { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 32px; }
.article-body .featured-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.article-body .content { font-size: 1.05rem; line-height: 1.85; color: var(--text-secondary); }
.article-body .content p { margin-bottom: 1.2em; }
.article-body .content h2 { font-size: 1.6rem; margin-top: 2em; margin-bottom: 0.8em; color: var(--text-primary); }
.article-body .content h3 { font-size: 1.3rem; margin-top: 1.6em; margin-bottom: 0.6em; color: var(--text-primary); }
.article-body .content ul, .article-body .content ol { margin-bottom: 1.2em; padding-left: 1.6em; }
.article-body .content li { margin-bottom: 0.4em; list-style: disc; }
.article-body .content blockquote { border-left: 4px solid var(--primary); background: var(--primary-light); padding: 16px 24px; margin: 1.5em 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-secondary); }
.article-body .content a { color: var(--primary); text-decoration: underline; }
.article-body .content a:hover { color: var(--primary-dark); }
.article-body .content img { border-radius: var(--radius-md); margin: 1.5em 0; }
.article-body .content .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2em; padding-top: 1.5em; border-top: 1px solid var(--border); }
.article-body .content .tags .tag { background: var(--bg-body); color: var(--text-secondary); padding: 4px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 500; }
.article-body .content .tags .tag:hover { background: var(--primary-light); color: var(--primary); }

/* ===== Sidebar ===== */
.article-sidebar { display: flex; flex-direction: column; gap: var(--gap); }
.sidebar-card { background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-card); padding: 28px; }
.sidebar-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.sidebar-card h3 i { color: var(--primary); }
.sidebar-card .side-list { display: flex; flex-direction: column; gap: 14px; }
.sidebar-card .side-item { display: flex; gap: 14px; align-items: flex-start; padding-bottom: 14px; border-bottom: 1px solid var(--border-light); }
.sidebar-card .side-item:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-card .side-item img { width: 72px; height: 54px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
.sidebar-card .side-item .info { flex: 1; min-width: 0; }
.sidebar-card .side-item .info a { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-card .side-item .info a:hover { color: var(--primary); }
.sidebar-card .side-item .info .date { font-size: 0.8rem; color: var(--text-weak); margin-top: 4px; }
.sidebar-card .cta-box { text-align: center; padding: 20px 0 4px; }
.sidebar-card .cta-box .btn-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff; padding: 12px 32px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; transition: var(--transition); }
.sidebar-card .cta-box .btn-cta:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,93,37,0.35); }

/* ===== Not Found ===== */
.not-found { text-align: center; padding: 80px 20px; }
.not-found .icon-big { font-size: 4rem; color: var(--text-weak); margin-bottom: 20px; }
.not-found h2 { font-size: 1.8rem; margin-bottom: 12px; }
.not-found p { color: var(--text-secondary); margin-bottom: 24px; }
.not-found .btn-back { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff; padding: 12px 32px; border-radius: 50px; font-weight: 600; }
.not-found .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ===== Related Section ===== */
.related-section { padding: 48px 0 64px; background: var(--bg-white); }
.related-section .section-title { font-size: 1.6rem; font-weight: 700; margin-bottom: 32px; text-align: center; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.related-card { background: var(--bg-body); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.related-card .info { padding: 18px 20px; }
.related-card .info h4 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .info h4 a { color: var(--text-primary); }
.related-card .info h4 a:hover { color: var(--primary); }
.related-card .info .date { font-size: 0.85rem; color: var(--text-weak); }

/* ===== Footer ===== */
.footer { background: var(--bg-dark); color: var(--text-muted); padding: 64px 0 0; }
.footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--gap-lg); padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer .footer-brand .logo { margin-bottom: 16px; }
.footer .footer-brand .logo span { -webkit-text-fill-color: #fff; background: none; color: #fff; }
.footer .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
.footer .footer-col h4 { color: var(--text-white); font-size: 1rem; font-weight: 600; margin-bottom: 18px; }
.footer .footer-col a { display: block; color: var(--text-muted); font-size: 0.9rem; padding: 5px 0; transition: var(--transition); }
.footer .footer-col a:hover { color: var(--primary); padding-left: 4px; }
.footer .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 0.85rem; color: var(--text-weak); }

/* ===== Mobile Nav ===== */
.mobile-nav-wrap { display: none; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .article-main .container { grid-template-columns: 1fr; }
    .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    :root { --header-h: 64px; --gap: 16px; --gap-lg: 32px; }
    .header-nav { display: none; }
    .header-actions .search-box { display: none; }
    .header-actions .btn-header { padding: 6px 16px; font-size: 0.85rem; }
    .mobile-toggle { display: block; }
    .article-banner { min-height: 240px; }
    .article-banner h1 { font-size: 1.6rem; }
    .article-banner .meta { gap: 12px; font-size: 0.8rem; }
    .article-body { padding: 24px; }
    .article-body .content { font-size: 1rem; }
    .article-sidebar { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

    .mobile-nav-wrap { display: block; position: fixed; top: var(--header-h); left: 0; right: 0; background: var(--bg-white); border-bottom: 1px solid var(--border); padding: 16px var(--gap); transform: translateY(-120%); opacity: 0; transition: var(--transition); z-index: 999; box-shadow: var(--shadow-md); }
    .mobile-nav-wrap.open { transform: translateY(0); opacity: 1; }
    .mobile-nav-wrap a { display: block; padding: 12px 0; font-size: 1rem; font-weight: 500; color: var(--text-secondary); border-bottom: 1px solid var(--border-light); }
    .mobile-nav-wrap a:last-child { border-bottom: none; }
    .mobile-nav-wrap a.active { color: var(--primary); }
}

@media (max-width: 520px) {
    .article-banner h1 { font-size: 1.35rem; }
    .article-body { padding: 18px; }
    .article-body .content h2 { font-size: 1.3rem; }
    .article-body .content h3 { font-size: 1.1rem; }
    .sidebar-card { padding: 20px; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0b1d3a;
            --primary-light: #1a2d4a;
            --primary-dark: #070f1e;
            --secondary: #f0a500;
            --secondary-hover: #d49400;
            --secondary-light: #fef3d0;
            --accent: #e63946;
            --accent-hover: #c92d39;
            --bg: #f5f7fa;
            --bg-alt: #eef1f5;
            --bg-dark: #0b1d3a;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-lighter: #a0a8b4;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(11, 29, 58, 0.08);
            --shadow-hover: 0 12px 40px rgba(11, 29, 58, 0.16);
            --shadow-lg: 0 20px 60px rgba(11, 29, 58, 0.12);
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        button,
        input,
        textarea {
            font-family: var(--font);
            font-size: 1rem;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--primary);
        }

        /* ===== Utility ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--secondary-light);
            color: var(--secondary-hover);
            letter-spacing: 0.3px;
        }
        .badge-accent {
            background: #fee8e8;
            color: var(--accent);
        }
        .badge-primary {
            background: #e2e8f0;
            color: var(--primary);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
            border: 2px solid transparent;
            background: var(--secondary);
            color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(240, 165, 0, 0.3);
        }
        .btn:hover {
            background: var(--secondary-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.4);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(11, 29, 58, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            color: var(--text-white);
            box-shadow: 0 8px 24px rgba(11, 29, 58, 0.35);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--border);
            color: var(--text);
            box-shadow: none;
        }
        .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary-hover);
            background: var(--secondary-light);
            box-shadow: none;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 30px rgba(11, 29, 58, 0.06);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            flex-shrink: 0;
            letter-spacing: -0.3px;
        }
        .logo .icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--secondary);
            border-radius: 10px;
            font-size: 1.2rem;
            color: var(--primary-dark);
        }
        .logo span:last-child {
            white-space: nowrap;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 20px;
        }
        .header-nav a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .header-nav a:hover {
            color: var(--primary);
            background: rgba(11, 29, 58, 0.04);
        }
        .header-nav a.active {
            color: var(--primary-dark);
            background: var(--secondary-light);
            font-weight: 600;
        }
        .header-nav a.active::after {
            display: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border-radius: 50px;
            padding: 0 16px;
            height: 40px;
            gap: 8px;
            border: 1px solid transparent;
            transition: all var(--transition);
            width: 200px;
        }
        .header-actions .search-box:focus-within {
            border-color: var(--secondary);
            background: var(--card-bg);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.1);
        }
        .header-actions .search-box i {
            color: var(--text-lighter);
            font-size: 0.9rem;
        }
        .header-actions .search-box input {
            background: transparent;
            border: none;
            outline: none;
            width: 100%;
            font-size: 0.85rem;
            color: var(--text);
            padding: 4px 0;
        }
        .header-actions .search-box input::placeholder {
            color: var(--text-lighter);
        }
        .header-actions .btn-header {
            padding: 8px 20px;
            font-size: 0.85rem;
            background: var(--secondary);
            color: var(--primary-dark);
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            box-shadow: 0 2px 10px rgba(240, 165, 0, 0.25);
        }
        .header-actions .btn-header:hover {
            background: var(--secondary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(240, 165, 0, 0.35);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: var(--bg-alt);
        }

        /* ===== Mobile Nav ===== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px;
            z-index: 999;
            transform: translateY(-12px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .mobile-nav.open {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
        }
        .mobile-nav a:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }
        .mobile-nav a.active {
            background: var(--secondary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            padding: calc(var(--header-height) + 40px) 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(240, 165, 0, 0.08) 0%, transparent 70%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero .badge {
            background: rgba(240, 165, 0, 0.2);
            color: var(--secondary);
            font-size: 0.85rem;
            padding: 6px 20px;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .page-hero .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .page-hero .btn-hero {
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 14px 34px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.35);
            transition: all var(--transition);
            border: none;
        }
        .page-hero .btn-hero:hover {
            background: var(--secondary-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(240, 165, 0, 0.45);
        }
        .page-hero .btn-hero-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.3);
            padding: 14px 34px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition);
        }
        .page-hero .btn-hero-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(240, 165, 0, 0.08);
            transform: translateY(-3px);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 16px 0 0;
            font-size: 0.85rem;
            color: var(--text-lighter);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-lighter);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb .sep {
            color: var(--text-lighter);
            font-size: 0.7rem;
        }

        /* ===== Intro Section ===== */
        .intro-section {
            background: var(--card-bg);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-content h2 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        .intro-content p {
            color: var(--text-light);
            margin-bottom: 16px;
            font-size: 1rem;
            line-height: 1.8;
        }
        .intro-content .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }
        .intro-content .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text);
        }
        .intro-content .feature-list li i {
            color: var(--secondary);
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }
        .intro-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius);
        }
        .intro-image .image-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        /* ===== Guide Cards ===== */
        .guide-section {
            background: var(--bg);
        }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .guide-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .guide-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .guide-card:hover .card-img img {
            transform: scale(1.05);
        }
        .guide-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 29, 58, 0.75);
            backdrop-filter: blur(6px);
            color: var(--text-white);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .guide-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .guide-card .card-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }
        .guide-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-lighter);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .guide-card .card-body .card-meta i {
            margin-right: 4px;
        }
        .guide-card .card-body .card-link {
            color: var(--secondary-hover);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .guide-card .card-body .card-link:hover {
            gap: 10px;
            color: var(--secondary-hover);
        }

        /* ===== Steps / Process ===== */
        .steps-section {
            background: var(--card-bg);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius);
            background: var(--bg);
            transition: all var(--transition);
            position: relative;
            border: 1px solid var(--border-light);
        }
        .step-item:hover {
            background: var(--card-bg);
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .step-item .step-number {
            counter-increment: step;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--primary-dark);
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            position: relative;
        }
        .step-item .step-number::after {
            display: none;
        }
        .step-item h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .step-item p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }
        .step-item .step-icon {
            font-size: 1.8rem;
            color: var(--secondary);
            margin-bottom: 12px;
            display: block;
        }

        /* ===== Hot Events ===== */
        .events-section {
            background: var(--bg);
        }
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .event-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .event-card .event-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--secondary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--secondary-hover);
            flex-shrink: 0;
        }
        .event-card .event-info {
            flex: 1;
            min-width: 0;
        }
        .event-card .event-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .event-card .event-info p {
            color: var(--text-light);
            font-size: 0.85rem;
            margin: 0;
        }
        .event-card .event-info .event-tags {
            display: flex;
            gap: 8px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .event-card .event-info .event-tags span {
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--bg-alt);
            color: var(--text-light);
        }
        .event-card .event-status {
            flex-shrink: 0;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: #e6f7e6;
            color: #2d8a4e;
        }
        .event-card .event-status.live {
            background: #fee8e8;
            color: var(--accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--card-bg);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--bg);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-item summary {
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            transition: color var(--transition);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-lighter);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            color: var(--secondary-hover);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item .faq-answer p {
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(240, 165, 0, 0.06) 0%, transparent 60%);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 580px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-section .btn-cta {
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 16px 38px;
            font-size: 1.05rem;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.35);
            transition: all var(--transition);
            border: none;
        }
        .cta-section .btn-cta:hover {
            background: var(--secondary-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(240, 165, 0, 0.45);
        }
        .cta-section .btn-cta-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.25);
            padding: 16px 38px;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition);
        }
        .cta-section .btn-cta-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(240, 165, 0, 0.08);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
            margin-top: auto;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer .footer-brand .logo {
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer .footer-brand .logo .icon {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer .footer-col h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: all var(--transition);
        }
        .footer .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer .footer-bottom span:last-child {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 4px;
            }
            .header-nav a {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .header-actions .search-box {
                width: 140px;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .intro-grid {
                gap: 32px;
            }
            .page-hero h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .section-padding {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
            .header-nav {
                display: none;
            }
            .header-actions .search-box {
                display: none;
            }
            .header-actions .btn-header {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .mobile-nav {
                display: block;
            }
            .page-hero {
                padding: calc(var(--header-height) + 24px) 0 40px;
                min-height: 280px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .intro-image img {
                height: 240px;
            }
            .intro-content h2 {
                font-size: 1.4rem;
            }
            .guide-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .events-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .event-card {
                padding: 18px 20px;
                flex-wrap: wrap;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .guide-card .card-img {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .step-item {
                padding: 24px 16px;
            }
            .event-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .event-card .event-status {
                align-self: flex-start;
            }
            .cta-section .btn-cta,
            .cta-section .btn-cta-outline {
                padding: 14px 28px;
                font-size: 0.95rem;
                width: 100%;
            }
            .page-hero .btn-hero,
            .page-hero .btn-hero-outline {
                padding: 12px 28px;
                font-size: 0.9rem;
                width: 100%;
            }
            .page-hero .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .cta-section .cta-actions {
                flex-direction: column;
                gap: 12px;
            }
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Skeleton / Loading (static) ===== */
        .skeleton {
            background: linear-gradient(90deg, var(--bg-alt) 25%, var(--border-light) 50%, var(--bg-alt) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: var(--radius-sm);
        }
        @keyframes shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-alt);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-lighter);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
        }

        /* ===== Additional ===== */
        .divider {
            width: 60px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin: 0 auto 24px;
        }
        .divider-left {
            margin: 0 0 24px;
        }