/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0f2b4a;
  --primary-light: #1a4270;
  --primary-dark: #091a2e;
  --accent: #d43f2a;
  --accent-light: #e85a45;
  --accent-dark: #b52e1a;
  --bg: #f4f6f9;
  --bg-card: #ffffff;
  --bg-dark: #0f2b4a;
  --text: #1e2a3a;
  --text-light: #5a6a7e;
  --text-white: #f0f4fa;
  --border: #dfe4ec;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(15,43,74,0.08);
  --shadow-hover: 0 12px 40px rgba(15,43,74,0.16);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --header-h: 70px;
  --tab-h: 48px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; }
button { cursor: pointer; background: none; }
/* ===== Container ===== */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
/* ===== Header 双层导航 ===== */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 12px rgba(15,43,74,0.04);
}
.header-top {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); padding: 0 20px;
  max-width: var(--max-width); margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; font-weight: 700;
  flex-shrink: 0;
}
.logo-text {
  font-size: 1.25rem; font-weight: 700; color: var(--primary);
  letter-spacing: 0.5px; white-space: nowrap;
}
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box {
  display: flex; align-items: center;
  background: var(--bg); border-radius: 50px;
  border: 1px solid var(--border); overflow: hidden;
  transition: var(--transition);
}
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212,63,42,0.12); }
.search-box input {
  padding: 8px 16px; background: transparent;
  color: var(--text); min-width: 180px; font-size: 0.9rem;
}
.search-box input::placeholder { color: var(--text-light); }
.search-box button {
  padding: 8px 16px; background: transparent;
  color: var(--text-light); font-size: 1rem;
  transition: var(--transition);
}
.search-box button:hover { color: var(--accent); }
.cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: 50px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff; font-weight: 600; font-size: 0.9rem;
  transition: var(--transition); white-space: nowrap;
}
.cta-btn:hover { background: linear-gradient(135deg, var(--accent-dark), var(--accent)); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,63,42,0.3); }
/* 第二行 Tabs */
.header-tabs {
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; -ms-overflow-style: none;
}
.header-tabs::-webkit-scrollbar { display: none; }
.tabs-inner {
  display: flex; align-items: center; gap: 4px;
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 20px; height: var(--tab-h);
}
.tab-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 20px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 500; color: var(--text-light);
  white-space: nowrap; transition: var(--transition);
  border: 1px solid transparent;
}
.tab-item i { font-size: 0.85rem; }
.tab-item:hover { color: var(--primary); background: rgba(15,43,74,0.05); }
.tab-item.active {
  background: var(--primary); color: #fff;
  font-weight: 600; border-color: var(--primary);
}
.tab-item.active:hover { background: var(--primary-light); color: #fff; }
/* ===== Hero ===== */
.hero {
  position: relative; min-height: 520px;
  display: flex; align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center;
  opacity: 0.18; mix-blend-mode: overlay;
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,43,74,0.7) 0%, rgba(15,43,74,0.3) 100%); }
.hero .container { position: relative; z-index: 2; text-align: center; padding: 80px 20px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 20px; border-radius: 50px;
  background: rgba(255,255,255,0.12); backdrop-filter: blur(8px);
  color: var(--text-white); font-size: 0.85rem; font-weight: 500;
  margin-bottom: 24px; border: 1px solid rgba(255,255,255,0.08);
}
.hero-badge i { color: var(--accent-light); }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800;
  color: #fff; line-height: 1.2; margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 span { color: var(--accent-light); }
.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(240,244,250,0.85);
  max-width: 650px; margin: 0 auto 32px; line-height: 1.8;
}
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.hero-actions .cta-btn { padding: 14px 36px; font-size: 1rem; }
.hero-actions .cta-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px; border-radius: 50px;
  border: 2px solid rgba(255,255,255,0.3);
  color: #fff; font-weight: 600; font-size: 1rem;
  transition: var(--transition); background: transparent;
}
.hero-actions .cta-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; transform: translateY(-2px); }
/* ===== Section 通用 ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-card); }
.section-dark { background: var(--bg-dark); color: var(--text-white); }
.section-title {
  text-align: center; margin-bottom: 48px;
}
.section-title h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700;
  color: var(--primary); margin-bottom: 12px;
}
.section-title p {
  color: var(--text-light); max-width: 600px; margin: 0 auto;
  font-size: 1.05rem;
}
.section-dark .section-title h2 { color: #fff; }
.section-dark .section-title p { color: rgba(240,244,250,0.75); }
/* ===== 卡片网格 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.card {
  background: var(--bg-card); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: var(--transition); border: 1px solid var(--border);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.card-body { padding: 24px; }
.card-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--primary); }
.card-body p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }
.card-tag {
  display: inline-block; padding: 4px 14px; border-radius: 50px;
  background: rgba(212,63,42,0.08); color: var(--accent);
  font-size: 0.8rem; font-weight: 600; margin-bottom: 10px;
}
/* ===== 资讯列表 ===== */
.post-list { display: flex; flex-direction: column; gap: 16px; }
.post-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px 24px; background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.post-item:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.post-item .post-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: rgba(212,63,42,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 1.2rem; flex-shrink: 0;
}
.post-item .post-info { flex: 1; min-width: 0; }
.post-item .post-info h4 { font-size: 1rem; font-weight: 600; color: var(--primary); margin-bottom: 4px; }
.post-item .post-info h4 a { color: inherit; }
.post-item .post-info h4 a:hover { color: var(--accent); }
.post-item .post-meta { display: flex; gap: 16px; font-size: 0.82rem; color: var(--text-light); }
.post-item .post-meta span { display: flex; align-items: center; gap: 4px; }
/* ===== 统计数字 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 32px 16px; }
.stat-item .num { font-size: 2.8rem; font-weight: 800; color: #fff; line-height: 1.2; }
.stat-item .num span { color: var(--accent-light); }
.stat-item .label { color: rgba(240,244,250,0.75); font-size: 1rem; margin-top: 8px; }
/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card); border-radius: var(--radius-sm);
  border: 1px solid var(--border); overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; font-weight: 600; font-size: 1rem;
  cursor: pointer; color: var(--primary);
  list-style: none; transition: var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--accent); transition: var(--transition); font-size: 0.9rem; }
.faq-item[open] summary i { transform: rotate(180deg); }
.faq-item .faq-answer { padding: 0 24px 18px; color: var(--text-light); line-height: 1.7; }
/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 70px 20px; text-align: center; border-radius: var(--radius-lg);
  margin: 0 auto; max-width: var(--max-width);
}
.cta-section h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); color: #fff; margin-bottom: 16px; }
.cta-section p { color: rgba(240,244,250,0.8); max-width: 550px; margin: 0 auto 28px; font-size: 1.05rem; }
.cta-section .cta-btn { font-size: 1.05rem; padding: 14px 40px; }
/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark); color: rgba(240,244,250,0.7);
  padding: 60px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-text { color: #fff; font-size: 1.2rem; margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(240,244,250,0.65); font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem;
}
.footer-bottom a { color: rgba(240,244,250,0.65); }
.footer-bottom a:hover { color: var(--accent-light); }
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .header-top { height: 60px; padding: 0 16px; }
  .logo-text { font-size: 1.05rem; }
  .search-box input { min-width: 120px; }
  .search-box input { padding: 6px 12px; }
  .cta-btn { padding: 8px 16px; font-size: 0.8rem; }
  .header-actions { gap: 8px; }
  .hero { min-height: 400px; }
  .hero .container { padding: 60px 16px; }
  .hero h1 { font-size: clamp(1.6rem, 5vw, 2.2rem); }
  .section { padding: 50px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-item .num { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .tabs-inner { padding: 0 12px; gap: 2px; }
  .tab-item { padding: 6px 14px; font-size: 0.82rem; }
  .post-item { padding: 16px; flex-direction: column; }
  .post-item .post-icon { width: 36px; height: 36px; font-size: 1rem; }
}
@media (max-width: 520px) {
  .search-box input { min-width: 80px; width: 100px; }
  .hero-actions .cta-btn, .hero-actions .cta-outline { padding: 12px 24px; font-size: 0.9rem; width: 100%; text-align: center; justify-content: center; }
  .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .section-title h2 { font-size: 1.3rem; }
  .cta-section { padding: 40px 16px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e83e3e;
            --primary-dark: #c62a2a;
            --primary-light: #fce8e8;
            --secondary: #1a2a4a;
            --secondary-light: #2c4068;
            --accent: #f5b342;
            --accent-light: #fff3d6;
            --bg-body: #f4f6fb;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8888aa;
            --text-white: #ffffff;
            --border-color: #e8ecf4;
            --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 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 36px rgba(232, 62, 62, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-width: 1240px;
            --header-height: 130px;
        }

        /* ===== 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-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        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(--primary-dark);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / 双层导航 ===== */
        .site-header {
            background: var(--bg-white);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            max-width: var(--container-width);
            margin: 0 auto;
            gap: 16px;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border-color);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 62, 62, 0.12);
        }
        .search-box input {
            padding: 8px 10px 8px 0;
            min-width: 180px;
            background: transparent;
            color: var(--text-primary);
            font-size: 14px;
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .search-box button {
            color: var(--text-light);
            padding: 8px 4px;
            cursor: pointer;
            transition: color var(--transition);
            font-size: 16px;
        }
        .search-box button:hover {
            color: var(--primary);
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .cta-btn i {
            font-size: 15px;
        }
        .cta-btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 62, 62, 0.3);
        }

        /* 第二行频道 Tabs */
        .header-tabs {
            border-top: 1px solid var(--border-color);
            background: var(--bg-white);
            padding: 0 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-tabs::-webkit-scrollbar {
            display: none;
        }
        .tabs-inner {
            display: flex;
            gap: 4px;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 8px 0;
            min-width: max-content;
        }
        .tab-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 50px;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .tab-item i {
            font-size: 14px;
        }
        .tab-item:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: rgba(232, 62, 62, 0.15);
        }
        .tab-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(232, 62, 62, 0.25);
        }
        .tab-item.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 64px;
            text-align: center;
            color: var(--text-white);
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.85) 0%, rgba(232, 62, 62, 0.55) 100%);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-banner h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .category-banner h1 i {
            margin-right: 10px;
            color: var(--accent);
        }
        .category-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .category-banner .banner-tags {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .category-banner .banner-tags span {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 68px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-header .divider {
            width: 50px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 14px auto 0;
        }

        /* ===== 热门赛事分类卡片 ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .sport-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .sport-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: flex-end;
            padding: 16px;
        }
        .sport-card .card-img .tag {
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            display: inline-block;
        }
        .sport-card .card-body {
            padding: 20px;
        }
        .sport-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .sport-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .sport-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
        }
        .sport-card .card-body .meta i {
            margin-right: 4px;
        }

        /* ===== 最新资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
        }
        .news-item .news-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .news-item .news-content h3 a {
            color: var(--secondary);
        }
        .news-item .news-content h3 a:hover {
            color: var(--primary);
        }
        .news-item .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 6px;
        }
        .news-item .news-content .news-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .news-item .news-content .news-meta span i {
            margin-right: 4px;
        }
        .news-item .news-badge {
            flex-shrink: 0;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent);
            border: 1px solid rgba(245, 179, 66, 0.3);
            white-space: nowrap;
        }
        .news-item .news-badge.hot {
            background: var(--primary-light);
            color: var(--primary);
            border-color: rgba(232, 62, 62, 0.2);
        }
        .news-item .news-badge.live {
            background: #e8f5e9;
            color: #2e7d32;
            border-color: rgba(46, 125, 50, 0.2);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card .stat-number span {
            font-size: 20px;
            font-weight: 600;
        }
        .stat-card .stat-label {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-top: 6px;
        }
        .stat-card .stat-icon {
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 8px;
            opacity: 0.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            transition: color var(--transition);
        }
        .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: 14px;
            color: var(--text-light);
            transition: transform var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 72px 0;
            text-align: center;
            color: #fff;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.88) 0%, rgba(232, 62, 62, 0.6) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 580px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .cta-group .btn-primary {
            padding: 14px 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .cta-group .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 62, 62, 0.35);
            color: #fff;
        }
        .cta-section .cta-group .btn-outline {
            padding: 14px 36px;
            background: transparent;
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .cta-group .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 52px 0 20px;
        }
        .site-footer .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand .logo-text span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-col ul li a i {
            margin-right: 6px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-banner h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: auto;
            }
            .header-top {
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 12px;
            }
            .logo {
                justify-content: center;
            }
            .header-actions {
                justify-content: center;
                flex-wrap: wrap;
            }
            .search-box input {
                min-width: 120px;
            }
            .tabs-inner {
                padding: 6px 0;
                gap: 4px;
            }
            .tab-item {
                padding: 6px 14px;
                font-size: 13px;
            }
            .tab-item i {
                font-size: 12px;
            }
            .category-banner {
                padding: 52px 0 40px;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .category-banner p {
                font-size: 15px;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .sports-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }
            .news-item {
                flex-direction: column;
                padding: 16px 18px;
                gap: 12px;
            }
            .news-item .news-icon {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
            .news-item .news-badge {
                align-self: flex-start;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .stat-number {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section .cta-group .btn-primary,
            .cta-section .cta-group .btn-outline {
                padding: 12px 28px;
                font-size: 14px;
            }
            .faq-item summary {
                padding: 14px 18px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }
            .category-banner .banner-tags span {
                font-size: 12px;
                padding: 4px 14px;
            }
        }

        @media (max-width: 520px) {
            .header-top {
                padding: 10px 12px;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .search-box input {
                min-width: 80px;
                font-size: 13px;
                padding: 6px 8px 6px 0;
            }
            .search-box {
                padding: 0 12px;
            }
            .cta-btn {
                padding: 6px 14px;
                font-size: 12px;
            }
            .cta-btn i {
                font-size: 12px;
            }
            .tab-item {
                padding: 5px 10px;
                font-size: 12px;
            }
            .category-banner h1 {
                font-size: 22px;
            }
            .category-banner p {
                font-size: 14px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .sports-grid {
                grid-template-columns: 1fr;
            }
            .news-item .news-content h3 {
                font-size: 15px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-number {
                font-size: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .container {
                padding: 0 16px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section p {
                font-size: 14px;
            }
            .cta-section .cta-group .btn-primary,
            .cta-section .cta-group .btn-outline {
                padding: 10px 22px;
                font-size: 13px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }

        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 28px;
            background: var(--bg-white);
            color: var(--primary);
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            border: 2px solid var(--primary);
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .btn-more:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .bg-light-alt {
            background: var(--bg-white);
        }
        .bg-gray-soft {
            background: var(--bg-body);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
:root {
  --color-primary: #DC2626;
  --color-primary-dark: #B91C1C;
  --color-primary-light: #FEE2E2;
  --color-secondary: #1E293B;
  --color-secondary-light: #334155;
  --color-accent: #F59E0B;
  --color-accent-dark: #D97706;
  --color-bg: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-bg-alt: #F1F5F9;
  --color-bg-dark: #0F172A;
  --color-text: #1E293B;
  --color-text-light: #64748B;
  --color-text-white: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-top-height: 64px;
  --header-tabs-height: 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(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 2px; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; color: var(--color-secondary); font-weight: 700; }
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

/* ===== Utility ===== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--color-primary); border-radius: 2px; margin: 12px auto 0; }
.section-title p { color: var(--color-text-light); margin-top: 12px; font-size: 1.05rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.tag {
  display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 0.8rem;
  font-weight: 600; background: var(--color-primary-light); color: var(--color-primary);
  transition: background var(--transition), color var(--transition);
}
.tag:hover { background: var(--color-primary); color: #fff; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 28px; border-radius: 50px;
  font-weight: 600; font-size: 0.95rem; transition: all var(--transition); border: 2px solid transparent;
  justify-content: center; line-height: 1.4;
}
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline:active { transform: translateY(0); }
.btn-white { background: #fff; color: var(--color-primary); border-color: #fff; }
.btn-white:hover { background: var(--color-bg-alt); color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-lg { padding: 14px 40px; font-size: 1.05rem; }
.btn-sm { padding: 6px 18px; font-size: 0.85rem; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }

/* ===== Header / Navigation ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-top-height);
  padding: 0 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-secondary);
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-secondary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-box {
  display: flex;
  align-items: center;
  background: var(--color-bg-alt);
  border-radius: 50px;
  padding: 0 6px 0 16px;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}
.search-box input {
  border: none;
  background: transparent;
  padding: 8px 0;
  font-size: 0.9rem;
  outline: none;
  width: 160px;
  color: var(--color-text);
}
.search-box input::placeholder { color: var(--color-text-light); }
.search-box button {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: color var(--transition);
  border-radius: 50%;
}
.search-box button:hover { color: var(--color-primary); background: rgba(220,38,38,0.06); }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.cta-btn:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.header-tabs {
  background: var(--color-secondary);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.tabs-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-tabs-height);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tabs-inner::-webkit-scrollbar { display: none; }
.tab-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.tab-item i { font-size: 0.85rem; }
.tab-item:hover { color: #fff; background: rgba(255,255,255,0.1); }
.tab-item.active { background: var(--color-primary); color: #fff; font-weight: 600; }
.tab-item.active:hover { background: var(--color-primary-dark); }

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 80px 0 60px;
  background: var(--color-secondary);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.88) 0%, rgba(15, 23, 42, 0.78) 100%);
  z-index: 1;
}
.article-hero .container {
  position: relative;
  z-index: 2;
}
.article-hero .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.article-hero .hero-category {
  display: inline-block;
  padding: 4px 16px;
  background: var(--color-primary);
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
}
.article-hero .hero-date {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  gap: 6px;
}
.article-hero .hero-date i { font-size: 0.8rem; }
.article-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  color: #fff;
  max-width: 860px;
  line-height: 1.3;
  margin-bottom: 16px;
}
.article-hero .hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  max-width: 720px;
  line-height: 1.7;
}
.article-hero .hero-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-bar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
}
.hero-bar-item i { font-size: 0.9rem; color: var(--color-accent); }

/* ===== Article Content ===== */
.article-content-section {
  padding: 60px 0 40px;
  background: #fff;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}
.article-main {
  min-width: 0;
}
.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
}
.article-body p {
  margin-bottom: 1.4rem;
}
.article-body h2, .article-body h3, .article-body h4 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}
.article-body h2 { font-size: 1.5rem; }
.article-body h3 { font-size: 1.25rem; }
.article-body ul, .article-body ol {
  margin-bottom: 1.4rem;
  padding-left: 1.5rem;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.4rem; }
.article-body img { border-radius: var(--radius-md); margin: 1.5rem 0; box-shadow: var(--shadow-sm); }
.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 16px 20px;
  margin: 1.5rem 0;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text-light);
}
.article-body a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--color-primary-dark); }
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}
.article-tags .tag-label {
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 4px;
}
.article-tags .tag-item {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-bg-alt);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--color-text-light);
  transition: all var(--transition);
}
.article-tags .tag-item:hover { background: var(--color-primary); color: #fff; }

/* ===== Article Sidebar ===== */
.article-sidebar {
  min-width: 0;
}
.sidebar-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 28px;
  border: 1px solid var(--color-border);
}
.sidebar-card h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i { color: var(--color-primary); }
.sidebar-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text);
  transition: color var(--transition);
  font-size: 0.92rem;
  line-height: 1.5;
}
.sidebar-list a:hover { color: var(--color-primary); }
.sidebar-list .list-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.8rem;
}
.sidebar-cta {
  text-align: center;
  padding: 32px 20px;
}
.sidebar-cta h4 { margin-bottom: 8px; }
.sidebar-cta p { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 16px; }

/* ===== Related Posts ===== */
.related-section {
  padding: 60px 0;
  background: var(--color-bg);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.related-card .card-img {
  width: 100%; height: 180px; object-fit: cover; background: var(--color-bg-alt);
}
.related-card .card-body { padding: 18px 20px 20px; }
.related-card .card-cat {
  font-size: 0.75rem; font-weight: 600; color: var(--color-primary); text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 6px;
}
.related-card h4 { font-size: 1rem; margin-bottom: 8px; line-height: 1.4; }
.related-card h4 a { color: var(--color-secondary); }
.related-card h4 a:hover { color: var(--color-primary); }
.related-card .card-meta { font-size: 0.82rem; color: var(--color-text-light); display: flex; align-items: center; gap: 12px; }

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  background: var(--color-secondary);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
  color: #fff;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,41,59,0.92) 0%, rgba(15,23,42,0.85) 100%);
}
.cta-section .container { position: relative; z-index: 2; text-align: center; }
.cta-section h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }
.cta-section .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Not Found ===== */
.not-found-box {
  text-align: center;
  padding: 60px 20px;
}
.not-found-box .nf-icon {
  font-size: 4rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
  opacity: 0.5;
}
.not-found-box h2 { margin-bottom: 12px; }
.not-found-box p { color: var(--color-text-light); margin-bottom: 24px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-text { color: #fff; font-size: 1.2rem; display: block; margin-bottom: 12px; }
.footer-brand p { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: color var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,0.35); }
.breadcrumb .current { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .header-top { padding: 0 16px; }
  .search-box input { width: 100px; }
  .cta-btn span { display: none; }
  .cta-btn i { margin: 0; }
  .article-hero { padding: 48px 0 40px; }
  .hero-bar { flex-direction: column; gap: 12px; align-items: flex-start; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .sidebar-card { padding: 20px; }
}
@media (max-width: 520px) {
  .header-top { flex-wrap: wrap; height: auto; padding: 10px 12px; gap: 8px; }
  .logo-text { font-size: 1.05rem; }
  .search-box input { width: 80px; font-size: 0.8rem; }
  .tabs-inner { padding: 0 12px; gap: 2px; }
  .tab-item { padding: 5px 12px; font-size: 0.8rem; }
  .article-hero h1 { font-size: 1.3rem; }
  .article-body { font-size: 0.98rem; }
  .related-card .card-img { height: 140px; }
  .cta-section { padding: 48px 0; }
}