/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --primary-light: #e74c3c;
            --accent: #f39c12;
            --accent-dark: #d68910;
            --bg-dark: #0b0e14;
            --bg-mid: #151a24;
            --bg-card: #1c2430;
            --bg-light: #f8f9fa;
            --text-light: #f1f1f1;
            --text-muted: #9aa5b4;
            --text-dark: #1e2a3a;
            --border-color: #2c3848;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.45);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset ===== */
        *, *::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-light);
            line-height: 1.7;
            font-size: 16px;
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: #f1c40f; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }

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

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(11, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0 24px;
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            padding: 12px 0;
            position: relative;
        }
        .logo-area {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
        }
        .logo-area a {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        .nav-left { justify-content: flex-start; }
        .nav-right { justify-content: flex-end; }
        .nav-left a, .nav-right a {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 30px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-left a:hover, .nav-right a:hover,
        .nav-left a.active, .nav-right a.active {
            color: #fff;
            background: rgba(192, 57, 43, 0.18);
        }
        .nav-left a.active, .nav-right a.active {
            color: var(--accent);
            background: rgba(243, 156, 18, 0.12);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-light);
            background: none;
            z-index: 10;
            padding: 4px 8px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.4;
            transform: scale(1.05);
            transition: transform 0.6s ease;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(192,57,43,0.25) 0%, transparent 70%),
                        linear-gradient(180deg, rgba(11,14,20,0.3) 0%, var(--bg-dark) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 40px 24px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(243,156,18,0.15);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 22px;
            border-radius: 30px;
            border: 1px solid rgba(243,156,18,0.25);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: 3.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 60%, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(192,57,43,0.35);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(255,255,255,0.25);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(243,156,18,0.15);
        }
        .btn-accent {
            background: var(--accent);
            color: #1e2a3a;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(243,156,18,0.35);
            color: #1e2a3a;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-item .num span { color: var(--accent); }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-mid);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-title p {
            color: var(--text-muted);
            max-width: 580px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title .sub-label {
            display: inline-block;
            background: rgba(192,57,43,0.12);
            color: var(--primary-light);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        /* ===== 分类卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(243,156,18,0.2);
        }
        .cat-card-img {
            height: 200px;
            overflow: hidden;
        }
        .cat-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .cat-card:hover .cat-card-img img { transform: scale(1.06); }
        .cat-card-body {
            padding: 24px 22px 28px;
        }
        .cat-card-body h3 {
            font-size: 1.25rem;
            margin-bottom: 8px;
        }
        .cat-card-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .cat-tag {
            display: inline-block;
            background: rgba(243,156,18,0.1);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .cat-link {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .cat-link i { font-size: 0.8rem; transition: var(--transition); }
        .cat-link:hover i { transform: translateX(4px); }

        /* ===== 资讯列表 ===== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .post-item {
            display: flex;
            align-items: flex-start;
            gap: 22px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .post-item:hover {
            border-color: rgba(243,156,18,0.15);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .post-thumb {
            width: 120px;
            min-width: 120px;
            height: 84px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-mid);
        }
        .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .post-info { flex: 1; min-width: 0; }
        .post-info .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .post-info .meta .cat {
            color: var(--accent);
            font-weight: 600;
        }
        .post-info h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .post-info h3 a {
            color: var(--text-light);
        }
        .post-info h3 a:hover { color: var(--accent); }
        .post-info .excerpt {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .empty-tip {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        /* ===== 数据/流程 ===== */
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 22px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: rgba(243,156,18,0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .icon-box {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.8rem;
            color: var(--accent);
            background: rgba(243,156,18,0.08);
            border: 1px solid rgba(243,156,18,0.12);
            transition: var(--transition);
        }
        .step-card:hover .icon-box {
            background: rgba(243,156,18,0.15);
            transform: scale(1.05);
        }
        .step-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .step-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .step-card .step-num {
            position: absolute;
            top: 12px;
            right: 18px;
            font-size: 2.6rem;
            font-weight: 800;
            color: rgba(255,255,255,0.04);
            line-height: 1;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .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(255,255,255,0.08); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-mid);
            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: 0.08;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .cta-content p {
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #080b10;
            border-top: 1px solid var(--border-color);
            padding: 48px 24px 32px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
        }
        .footer-brand .logo {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: #fff;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            max-width: 1200px;
            margin: 32px auto 0;
            padding-top: 22px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.06);
            color: var(--text-muted);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: 1fr 1fr; }
            .hero h1 { font-size: 2.8rem; }
        }

        @media (max-width: 768px) {
            .header-inner { justify-content: space-between; padding: 10px 0; }
            .logo-area { position: static; transform: none; }
            .mobile-toggle { display: block; }
            .nav-left, .nav-right {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 4px;
                padding: 12px 0 8px;
                background: rgba(11,14,20,0.98);
                border-top: 1px solid var(--border-color);
                margin-top: 8px;
            }
            .nav-left.show, .nav-right.show { display: flex; }
            .nav-left a, .nav-right a {
                width: 100%;
                text-align: center;
                padding: 12px 0;
            }
            .header-inner { flex-wrap: wrap; }
            .hero { min-height: 60vh; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-item .num { font-size: 1.6rem; }
            .grid-3 { grid-template-columns: 1fr; }
            .section { padding: 56px 0; }
            .section-title h2 { font-size: 1.6rem; }
            .post-item { flex-direction: column; padding: 18px; }
            .post-thumb { width: 100%; min-width: 0; height: 160px; }
            .grid-4 { grid-template-columns: 1fr 1fr; gap: 16px; }
            .step-card { padding: 24px 16px; }
            .cta-content h2 { font-size: 1.6rem; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 1.6rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn { width: 100%; justify-content: center; padding: 14px 20px; }
            .grid-4 { grid-template-columns: 1fr; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .post-thumb { height: 120px; }
            .faq-question { padding: 14px 16px; font-size: 0.95rem; }
        }

/* roulang page: category1 */
/* ===== CSS Design System ===== */
:root {
  --primary: #d42020;
  --primary-dark: #a81515;
  --primary-light: #f04a4a;
  --secondary: #1a1a2e;
  --accent: #f5c518;
  --bg-dark: #0f0f1a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --bg-light: #f8f6f2;
  --text-light: #ffffff;
  --text-muted: #b0b0c0;
  --text-dark: #1a1a2e;
  --border-color: rgba(255,255,255,0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-hover: 0 16px 48px rgba(212,32,32,0.2);
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --container-width: 1200px;
  --nav-height: 76px;
}
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text-light); }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { color: var(--text-muted); max-width: 680px; }
.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { margin-bottom: 12px; }
.section-title p { margin: 0 auto; font-size: 1.1rem; }
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  background: var(--primary);
  color: #fff;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  background: var(--primary);
  color: #fff;
}
.btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,32,32,0.35); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: rgba(255,255,255,0.08); border-color: transparent; color: var(--text-light); }
.btn-ghost:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }
/* ===== Header / Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(15,15,26,0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-left a, .nav-right a {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}
.nav-left a:hover, .nav-right a:hover { color: var(--text-light); background: rgba(255,255,255,0.06); }
.nav-left a.active, .nav-right a.active { color: #fff; background: var(--primary); }
.nav-left a.active:hover, .nav-right a.active:hover { background: var(--primary-dark); }
.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo i { color: var(--primary); font-size: 1.4rem; }
.mobile-toggle { display: none; background: none; color: var(--text-light); font-size: 1.5rem; cursor: pointer; padding: 8px; }
/* ===== Hero / Banner ===== */
.hero-banner {
  margin-top: var(--nav-height);
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  text-align: center;
  padding: 80px 24px;
}
.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(15,15,26,0.75) 30%, rgba(212,32,32,0.25) 100%);
  z-index: 1;
}
.hero-banner > * { position: relative; z-index: 2; }
.hero-content { max-width: 800px; }
.hero-content h1 { margin-bottom: 16px; }
.hero-content .badge { margin-bottom: 20px; }
.hero-content p { font-size: 1.15rem; margin: 0 auto 32px; color: rgba(255,255,255,0.8); max-width: 600px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
/* ===== Sport Categories ===== */
.sport-categories {
  background: var(--bg-dark);
  padding: 60px 0;
}
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}
.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 20px 24px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.cat-card:hover { background: var(--bg-card-hover); transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.cat-card i { font-size: 2.4rem; color: var(--primary); margin-bottom: 16px; }
.cat-card h4 { margin-bottom: 6px; }
.cat-card p { font-size: 0.85rem; margin: 0; }
/* ===== Featured Events ===== */
.featured-events { background: linear-gradient(180deg, var(--bg-dark) 0%, #14142a 100%); }
.event-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.event-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.event-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.event-card .card-img {
  height: 200px;
  background: center center / cover no-repeat;
  position: relative;
}
.event-card .card-img .badge { position: absolute; top: 16px; left: 16px; }
.event-card .card-body { padding: 24px; }
.event-card .card-body h3 { margin-bottom: 8px; font-size: 1.2rem; }
.event-card .card-body p { font-size: 0.92rem; margin-bottom: 16px; }
.event-meta { display: flex; gap: 16px; font-size: 0.85rem; color: var(--text-muted); }
.event-meta i { width: 18px; color: var(--primary); }
/* ===== Schedule Timeline ===== */
.schedule-section { background: var(--bg-dark); }
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}
.schedule-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  transition: var(--transition);
}
.schedule-item:hover { background: var(--bg-card-hover); border-color: var(--primary); }
.schedule-item .date {
  min-width: 70px;
  text-align: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
}
.schedule-item .date small { display: block; font-size: 0.7rem; font-weight: 400; color: var(--text-muted); }
.schedule-item .info { flex: 1; }
.schedule-item .info h4 { font-size: 1rem; margin-bottom: 2px; }
.schedule-item .info p { font-size: 0.85rem; margin: 0; }
.schedule-item .status {
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(212,32,32,0.15);
  color: var(--primary);
}
.schedule-item .status.live { background: rgba(245,197,24,0.15); color: var(--accent); }
.schedule-item .status.done { background: rgba(255,255,255,0.06); color: var(--text-muted); }
/* ===== Rankings / Leaderboard ===== */
.rankings-section {
  background: linear-gradient(180deg, #14142a 0%, var(--bg-dark) 100%);
}
.rank-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.rank-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 20px 24px;
  text-align: center;
  transition: var(--transition);
}
.rank-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.rank-card .rank-num {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.rank-card .rank-num.gold { color: var(--accent); }
.rank-card .rank-num.silver { color: #c0c0c0; }
.rank-card .rank-num.bronze { color: #cd7f32; }
.rank-card h4 { margin-bottom: 4px; }
.rank-card p { font-size: 0.85rem; margin: 0 auto; max-width: 180px; }
.rank-card .pts {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 16px;
  border-radius: 50px;
  background: rgba(212,32,32,0.12);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
}
/* ===== FAQ ===== */
.faq-section { background: var(--bg-dark); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item summary {
  padding: 20px 28px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  list-style: 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: 0.85rem;
  color: var(--primary);
  transition: var(--transition);
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] { border-color: var(--primary); }
.faq-item .faq-answer { padding: 0 28px 20px; color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }
/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(145deg, var(--primary-dark) 0%, var(--primary) 100%);
  text-align: center;
  padding: 80px 24px;
}
.cta-section h2 { color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.85); margin: 0 auto 32px; max-width: 560px; }
.cta-section .btn { background: #fff; color: var(--primary); border-color: #fff; }
.cta-section .btn:hover { background: var(--accent); color: var(--secondary); border-color: var(--accent); }
.cta-section .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.cta-section .btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
/* ===== Footer ===== */
.site-footer {
  background: #0a0a14;
  border-top: 1px solid var(--border-color);
  padding: 60px 24px 30px;
}
.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
}
.footer-brand .logo { font-size: 1.5rem; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 0.92rem; margin-top: 8px; max-width: 340px; }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 16px; color: var(--text-light); }
.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.footer-col a:hover { color: var(--primary); padding-left: 4px; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { font-size: 1.2rem; color: var(--text-muted); padding: 0; }
.footer-social a:hover { color: var(--primary); padding: 0; }
.footer-bottom {
  max-width: var(--container-width);
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-left, .nav-right { display: none; }
  .mobile-toggle { display: block; }
  .header-inner { justify-content: space-between; }
  .nav-left.mobile-open, .nav-right.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: rgba(15,15,26,0.96);
    backdrop-filter: blur(18px);
    padding: 16px 24px 24px;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-left.mobile-open { left: 0; }
  .nav-right.mobile-open { left: 0; top: calc(var(--nav-height) + 120px); }
  .hero-banner { min-height: 400px; padding: 60px 20px; }
  .hero-content h1 { font-size: 2rem; }
  .hero-content p { font-size: 1rem; }
  .section-padding { padding: 56px 0; }
  .cat-grid { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 14px; }
  .event-grid { grid-template-columns: 1fr; }
  .rank-grid { grid-template-columns: 1fr 1fr; }
  .schedule-item { flex-wrap: wrap; gap: 12px; }
  .schedule-item .date { min-width: 60px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .faq-item summary { padding: 16px 20px; font-size: 0.95rem; }
  .faq-item .faq-answer { padding: 0 20px 16px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-banner { min-height: 340px; padding: 40px 16px; }
  .hero-content h1 { font-size: 1.7rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cat-card { padding: 20px 12px 16px; }
  .cat-card i { font-size: 1.8rem; }
  .rank-grid { grid-template-columns: 1fr; }
  .event-card .card-img { height: 160px; }
  .section-title h2 { font-size: 1.5rem; }
  .cta-section { padding: 56px 16px; }
  .cta-section h2 { font-size: 1.5rem; }
}

/* roulang page: article */
:root {
            --primary: #e31b23;
            --primary-dark: #b0151c;
            --primary-light: #fbe5e6;
            --secondary: #1a1a2e;
            --accent: #f5c518;
            --bg: #f8f9fc;
            --bg-alt: #ffffff;
            --bg-dark: #0f0f1a;
            --text: #1e1e2a;
            --text-light: #5a5a72;
            --text-white: #f0f0f5;
            --border: #e2e5ec;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(0,0,0,0.06);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.12);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: 1rem; }
        ul, ol { list-style: none; }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* header */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            height: var(--header-h);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226,229,236,0.6);
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i { font-size: 1.3rem; background: var(--primary); color: #fff; padding: 6px; border-radius: 8px; -webkit-text-fill-color: #fff; }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-wrap a {
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }
        .nav-wrap a:hover { color: var(--primary); background: var(--primary-light); }
        .nav-wrap a.active { color: #fff; background: var(--primary); font-weight: 600; box-shadow: 0 4px 14px rgba(227,27,35,0.3); }
        .nav-cta {
            background: var(--secondary);
            color: var(--text-white) !important;
            padding: 8px 22px !important;
            border-radius: 30px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            margin-left: 8px;
        }
        .nav-cta:hover { background: var(--primary) !important; color: #fff !important; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(227,27,35,0.25) !important; }
        .menu-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--text); cursor: pointer; padding: 4px 8px; border-radius: 8px; }
        .menu-toggle:hover { background: var(--primary-light); color: var(--primary); }

        /* banner */
        .article-banner {
            margin-top: var(--header-h);
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1e1e3a 100%);
            position: relative;
            overflow: hidden;
        }
        .article-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;
        }
        .article-banner .container { position: relative; z-index: 1; }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: rgba(255,255,255,0.7); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb span { color: var(--accent); }
        .article-category {
            display: inline-block;
            background: var(--accent);
            color: var(--secondary);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .article-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 900px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-top: 20px;
            color: rgba(255,255,255,0.7);
            font-size: 0.92rem;
            flex-wrap: wrap;
        }
        .article-meta i { margin-right: 6px; color: var(--accent); }
        .article-meta span { display: flex; align-items: center; }

        /* main content */
        .article-main {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 32px 0 16px;
            color: var(--secondary);
            line-height: 1.3;
        }
        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin: 24px 0 12px;
            color: var(--secondary);
        }
        .article-body p {
            margin-bottom: 18px;
            color: var(--text);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .article-body ul, .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 10px;
            font-size: 1.02rem;
            position: relative;
            padding-left: 8px;
        }
        .article-body ul li::before {
            content: '▸';
            color: var(--primary);
            font-weight: 700;
            margin-right: 8px;
        }
        .article-body ol { list-style: decimal; }
        .article-body ol li::marker { color: var(--primary); font-weight: 600; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: var(--primary-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-body img {
            margin: 24px 0;
            border-radius: var(--radius-sm);
            width: 100%;
            object-fit: cover;
            box-shadow: var(--shadow);
        }
        .article-body .content-img-caption {
            font-size: 0.85rem;
            color: var(--text-light);
            text-align: center;
            margin-top: -16px;
            margin-bottom: 24px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary-dark);
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-share span { font-weight: 600; font-size: 0.95rem; color: var(--text-light); }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px; height: 40px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); box-shadow: 0 6px 18px rgba(227,27,35,0.2); }

        /* sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i { color: var(--primary); font-size: 1.1rem; }
        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: block;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
        }
        .sidebar-list a:hover { color: var(--primary); padding-left: 6px; }
        .sidebar-list .list-meta {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--secondary), #2a2a4a);
            color: #fff;
            border: none;
        }
        .sidebar-cta h3 { color: #fff; }
        .sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 0.92rem; margin-bottom: 18px; line-height: 1.6; }
        .sidebar-btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition);
            text-align: center;
        }
        .sidebar-btn:hover { background: var(--accent); color: var(--secondary); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(227,27,35,0.3); }

        /* related posts */
        .related-section {
            padding: 60px 0;
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 32px;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title i { color: var(--primary); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 22px;
        }
        .related-card .card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .related-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 8px 0 6px;
            line-height: 1.4;
            color: var(--secondary);
        }
        .related-card h4 a:hover { color: var(--primary); }
        .related-card .card-meta {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 0;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand .logo { font-size: 1.6rem; margin-bottom: 16px; display: inline-block; }
        .footer-brand p { color: rgba(255,255,255,0.65); font-size: 0.92rem; line-height: 1.7; max-width: 320px; }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 6px; }
        .footer-social { display: flex; gap: 12px; margin-top: 16px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px; height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            padding: 0;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); padding: 0; }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 40px auto 0;
            padding: 20px 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a { color: rgba(255,255,255,0.7); }
        .footer-bottom a:hover { color: var(--accent); }

        /* mobile */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            .nav-left, .nav-right { display: none; }
            .menu-toggle { display: block; }
            .nav-wrap.open .nav-left,
            .nav-wrap.open .nav-right {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0; right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow);
            }
            .nav-wrap.open .nav-left a,
            .nav-wrap.open .nav-right a { width: 100%; }
            .nav-cta { margin-left: 0; text-align: center; }
            .article-title { font-size: 1.8rem; }
            .article-body { padding: 28px 20px; }
            .article-body p { font-size: 0.98rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-inner { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-inner { padding: 0 16px; }
            .article-title { font-size: 1.4rem; }
            .article-meta { gap: 12px; font-size: 0.82rem; flex-wrap: wrap; }
            .article-body { padding: 20px 16px; }
            .article-body h2 { font-size: 1.3rem; }
            .sidebar-card { padding: 20px; }
            .footer-inner { padding: 0 16px; }
            .footer-bottom { padding: 16px; }
        }

        /* not found */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
        }
        .not-found-box i { font-size: 4rem; color: var(--primary); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; color: var(--secondary); }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; }
        .not-found-box .btn-back {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(227,27,35,0.25); }