/* ============================================
   意甲低调JRS直播 - 全局样式表
   配色：DeepPurpleGray(#2d2040) + IceBlue(#5ba3cf)
   ============================================ */

/* ===== 1. CSS Variables & Reset ===== */
:root {
    --primary: #2d2040;
    --primary-light: #443060;
    --primary-dark: #1a1228;
    --primary-rgb: 45, 32, 64;
    --secondary: #5ba3cf;
    --secondary-light: #7dbce0;
    --secondary-rgb: 91, 163, 207;
    --accent: #e74c3c;
    --bg-dark: #110d18;
    --bg-card: #1c1528;
    --bg-card-hover: #261e38;
    --bg-surface: #0e0a14;
    --text-primary: #f0f2f6;
    --text-secondary: #9ca3b8;
    --text-muted: #636b80;
    --border-color: #2e2645;
    --border-light: #3d3358;
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-hero: linear-gradient(135deg, #110d18 0%, #1a1530 50%, #110d18 100%);
    --gradient-card: linear-gradient(145deg, var(--bg-card), #1e1835);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.45);
    --shadow-glow: 0 0 20px rgba(var(--secondary-rgb), 0.2);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1280px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary-light); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { color: var(--text-primary); line-height: 1.3; font-weight: 700; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ===== 3. Header & Navigation ===== */
.site-header {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(17, 13, 24, 0.92);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.4); }

.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px; max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
}

.site-logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 800; color: var(--text-primary); }
.site-logo .logo-icon { width: 36px; height: 36px; background: var(--gradient-primary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; }
.site-logo span { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.desktop-nav { display: flex; align-items: center; gap: 6px; }
.desktop-nav a { padding: 8px 16px; color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; border-radius: var(--radius-sm); transition: var(--transition); position: relative; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--secondary); background: rgba(var(--secondary-rgb), 0.1); }
.desktop-nav a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 2px; background: var(--secondary); border-radius: 2px; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.search-btn { width: 38px; height: 38px; border: none; background: rgba(var(--secondary-rgb), 0.1); color: var(--text-secondary); border-radius: 50%; cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.search-btn:hover { background: rgba(var(--secondary-rgb), 0.2); color: var(--secondary); }

.hamburger { display: none; width: 38px; height: 38px; border: none; background: rgba(var(--secondary-rgb), 0.1); border-radius: var(--radius-sm); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 10px; transition: var(--transition); }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text-secondary); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== 4. Mobile Navigation ===== */
.mobile-nav { display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: rgba(17, 13, 24, 0.98); backdrop-filter: blur(20px); z-index: 999; padding: 20px; overflow-y: auto; transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1); }
.mobile-nav.show { transform: translateX(0); }
.mobile-nav a { display: block; padding: 14px 20px; color: var(--text-secondary); font-size: 1.05rem; font-weight: 500; border-radius: var(--radius-md); margin-bottom: 4px; transition: var(--transition); border: 1px solid transparent; }
.mobile-nav a:hover, .mobile-nav a:active { color: var(--secondary); background: rgba(var(--secondary-rgb), 0.1); border-color: rgba(var(--secondary-rgb), 0.2); }

/* ===== 5. Hero ===== */
.hero-section { position: relative; background: var(--gradient-hero); padding: 80px 0 60px; overflow: hidden; }
.hero-section::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(var(--secondary-rgb), 0.1) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.hero-section::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(var(--primary-rgb), 0.2) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.hero-content { position: relative; z-index: 1; text-align: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px; background: rgba(var(--secondary-rgb), 0.12); border: 1px solid rgba(var(--secondary-rgb), 0.25); border-radius: 50px; color: var(--secondary); font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; animation: pulse-badge 2s ease-in-out infinite; }
@keyframes pulse-badge { 0%, 100% { box-shadow: 0 0 0 0 rgba(var(--secondary-rgb), 0.25); } 50% { box-shadow: 0 0 0 8px rgba(var(--secondary-rgb), 0); } }
.hero-title { font-size: 2.8rem; font-weight: 900; margin-bottom: 16px; line-height: 1.2; }
.hero-title .highlight { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 30px; }
.hero-stats { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat .stat-num { font-size: 1.8rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-stat .stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* ===== 5.1 Live Ticker ===== */
.live-ticker { background: rgba(var(--secondary-rgb), 0.05); border-top: 1px solid rgba(var(--secondary-rgb), 0.12); border-bottom: 1px solid rgba(var(--secondary-rgb), 0.12); padding: 12px 0; overflow: hidden; }
.ticker-inner { display: flex; align-items: center; gap: 30px; animation: ticker-scroll 30s linear infinite; white-space: nowrap; }
@keyframes ticker-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.ticker-item { display: inline-flex; align-items: center; gap: 10px; padding: 4px 16px; background: rgba(var(--secondary-rgb), 0.07); border-radius: 50px; font-size: 0.85rem; color: var(--text-secondary); flex-shrink: 0; }
.ticker-item .live-dot { width: 8px; height: 8px; background: #ef4444; border-radius: 50%; animation: blink 1.5s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.ticker-item .score { color: var(--secondary); font-weight: 700; }

/* ===== 6. News Cards ===== */
.news-card { display: flex; background: var(--gradient-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; transition: var(--transition); margin-bottom: 20px; }
.news-card:hover { border-color: rgba(var(--secondary-rgb), 0.35); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.news-thumb { position: relative; flex-shrink: 0; width: 240px; min-height: 180px; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.thumb-tag { position: absolute; top: 12px; left: 12px; padding: 4px 10px; background: rgba(var(--secondary-rgb), 0.9); color: #fff; font-size: 0.72rem; font-weight: 600; border-radius: 4px; display: flex; align-items: center; gap: 4px; z-index: 2; }
.news-body { flex: 1; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; }
.news-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body h3 a { color: var(--text-primary); }
.news-body h3 a:hover { color: var(--secondary); }
.excerpt { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.news-meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.meta-left { display: flex; align-items: center; gap: 14px; }
.meta-left span { font-size: 0.78rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.meta-left i { font-size: 0.75rem; }
.news-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { padding: 3px 10px; background: rgba(var(--secondary-rgb), 0.1); color: var(--secondary); font-size: 0.72rem; font-weight: 500; border-radius: 50px; display: inline-flex; align-items: center; gap: 4px; transition: var(--transition); }
.tag:hover { background: rgba(var(--secondary-rgb), 0.2); }
.tag.tag-hot { background: rgba(231, 76, 60, 0.15); color: #f87171; }
.tag.tag-secondary { background: rgba(var(--primary-rgb), 0.3); color: var(--primary-light); }

/* ===== 6.1 Featured Card ===== */
.featured-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; height: 300px; transition: var(--transition); }
.featured-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.featured-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.featured-card:hover img { transform: scale(1.05); }
.featured-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 30px 24px 24px; background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%); }
.featured-overlay h3 { font-size: 1.2rem; margin-bottom: 8px; }
.featured-overlay h3 a { color: #fff; }
.featured-overlay h3 a:hover { color: var(--secondary); }
.featured-overlay .news-meta { justify-content: flex-start; }
.featured-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 30px; }

/* ===== 7. Content Layout ===== */
.content-layout { display: grid; grid-template-columns: 1fr 340px; gap: 30px; padding: 40px 0; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; padding-bottom: 12px; border-bottom: 1px solid var(--border-color); }
.section-title { font-size: 1.3rem; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.section-title i { color: var(--secondary); font-size: 1.1rem; }
.section-more { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.section-more:hover { color: var(--secondary); }

/* ===== 7.1 Sidebar Widgets ===== */
.sidebar { display: flex; flex-direction: column; gap: 24px; }
.widget { background: var(--gradient-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 20px; transition: var(--transition); }
.widget:hover { border-color: rgba(var(--secondary-rgb), 0.25); }
.widget-title { font-size: 1rem; font-weight: 700; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 8px; }
.widget-title i { color: var(--secondary); }
.hot-list { list-style: none; }
.hot-list li { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(var(--secondary-rgb), 0.06); }
.hot-list li:last-child { border-bottom: none; }
.hot-rank { flex-shrink: 0; width: 24px; height: 24px; background: rgba(var(--secondary-rgb), 0.12); color: var(--secondary); font-size: 0.75rem; font-weight: 700; border-radius: 4px; display: flex; align-items: center; justify-content: center; }
.hot-list li:nth-child(1) .hot-rank { background: rgba(231,76,60,0.2); color: #f87171; }
.hot-list li:nth-child(2) .hot-rank { background: rgba(var(--primary-rgb),0.35); color: var(--primary-light); }
.hot-list li:nth-child(3) .hot-rank { background: rgba(34,197,94,0.2); color: #4ade80; }
.hot-list li a { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hot-list li a:hover { color: var(--secondary); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud .tag { padding: 6px 14px; font-size: 0.8rem; }
.about-widget p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }

/* ===== 8. List Page ===== */
.page-header { padding: 40px 0 20px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb .separator { font-size: 0.7rem; }
.breadcrumb .current { color: var(--secondary); }
.category-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.category-tab { padding: 8px 20px; background: rgba(var(--secondary-rgb), 0.06); border: 1px solid var(--border-color); border-radius: 50px; color: var(--text-secondary); font-size: 0.88rem; font-weight: 500; cursor: pointer; transition: var(--transition); }
.category-tab:hover, .category-tab.active { background: rgba(var(--secondary-rgb), 0.15); border-color: rgba(var(--secondary-rgb), 0.3); color: var(--secondary); }
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 40px 0 20px; }
.pagination a, .pagination span { padding: 8px 14px; background: rgba(var(--secondary-rgb), 0.06); border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 0.88rem; transition: var(--transition); }
.pagination a:hover { background: rgba(var(--secondary-rgb), 0.15); border-color: rgba(var(--secondary-rgb), 0.3); color: var(--secondary); }
.pagination .current { background: var(--secondary); border-color: var(--secondary); color: #fff; }

/* ===== 9. Detail Page ===== */
.detail-hero { position: relative; height: 400px; overflow: hidden; margin-bottom: 30px; }
.detail-hero img { width: 100%; height: 100%; object-fit: cover; }
.detail-hero-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 60px 40px 30px; background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%); }
.detail-hero-overlay h1 { font-size: 1.8rem; color: #fff; margin-bottom: 12px; line-height: 1.4; }
.article-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); }
.article-meta .meta-item { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-muted); }
.article-meta .meta-item i { color: var(--secondary); }
.article-content { max-width: 800px; margin: 0 auto; padding: 20px 0 40px; }
.article-content p { font-size: 1rem; color: var(--text-secondary); line-height: 1.9; margin-bottom: 20px; }
.article-content h2 { font-size: 1.4rem; margin: 32px 0 16px; padding-left: 14px; border-left: 3px solid var(--secondary); }
.article-content h3 { font-size: 1.15rem; margin: 24px 0 12px; }
.article-content img { width: 100%; max-width: 100%; height: auto; border-radius: var(--radius-md); margin: 20px 0; }
.article-content blockquote { padding: 20px 24px; background: rgba(var(--secondary-rgb), 0.06); border-left: 3px solid var(--secondary); border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 20px 0; color: var(--text-secondary); font-style: italic; }
.article-content .highlight-box { padding: 20px 24px; background: rgba(var(--primary-rgb), 0.2); border: 1px solid rgba(var(--primary-rgb), 0.35); border-radius: var(--radius-md); margin: 24px 0; }
.article-content .highlight-box h4 { color: var(--secondary); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.article-content .live-embed { padding: 24px; background: var(--gradient-card); border: 1px solid rgba(var(--secondary-rgb), 0.25); border-radius: var(--radius-lg); text-align: center; margin: 30px 0; }
.article-content .live-embed i { font-size: 2.5rem; color: var(--secondary); margin-bottom: 12px; }
.article-content .live-embed .embed-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.article-content .live-embed .embed-desc { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 16px; }
.article-content .live-embed .embed-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px; background: var(--gradient-primary); color: #fff; border-radius: 50px; font-weight: 600; font-size: 0.9rem; transition: var(--transition); }
.article-content .live-embed .embed-btn:hover { transform: scale(1.03); box-shadow: var(--shadow-glow); }
.article-content table { width: 100%; max-width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.9rem; display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.article-content table thead { background: rgba(var(--secondary-rgb), 0.1); }
.article-content table th, .article-content table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border-color); white-space: nowrap; }
.article-content table th { font-weight: 600; color: var(--secondary); }
.article-content table td { color: var(--text-secondary); }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 30px 0; padding-top: 20px; border-top: 1px solid var(--border-color); }
.post-nav-item { padding: 16px; background: var(--gradient-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); transition: var(--transition); }
.post-nav-item:hover { border-color: rgba(var(--secondary-rgb), 0.25); }
.post-nav-item .nav-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 6px; display: flex; align-items: center; gap: 4px; }
.post-nav-item .nav-title { font-size: 0.9rem; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.post-nav-item:hover .nav-title { color: var(--secondary); }

/* ===== 10. Footer ===== */
.site-footer { background: var(--bg-surface); border-top: 1px solid var(--border-color); padding: 50px 0 30px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
.footer-brand .site-logo { margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 14px; color: var(--text-primary); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.85rem; color: var(--text-muted); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--secondary); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--border-color); }
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== 11. Back to Top ===== */
.back-top { position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px; background: var(--gradient-primary); color: #fff; border: none; border-radius: 50%; cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transform: translateY(10px); transition: var(--transition); box-shadow: var(--shadow-md); z-index: 100; }
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow); }

/* ===== 13. Animations ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { animation: fadeInUp 0.6s ease forwards; }

/* ===== 14. Responsive: Tablet ===== */
@media (max-width: 1024px) {
    .content-layout { grid-template-columns: 1fr; }
    .sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .hero-title { font-size: 2.2rem; }
}

/* ===== 15. Responsive: Mobile ===== */
@media (max-width: 768px) {
    .desktop-nav { display: none; }
    .hamburger { display: flex; }
    .mobile-nav { display: block; }
    .hero-section { padding: 50px 0 40px; }
    .hero-title { font-size: 1.8rem; }
    .hero-desc { font-size: 0.95rem; }
    .hero-stats { gap: 24px; }
    .hero-stat .stat-num { font-size: 1.4rem; }
    .news-card { flex-direction: column; }
    .news-thumb { width: 100%; height: 200px; min-height: auto; }
    .featured-grid { grid-template-columns: 1fr; }
    .featured-card { height: 220px; }
    .sidebar { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 20px; }
    .detail-hero { height: 250px; }
    .detail-hero-overlay h1 { font-size: 1.3rem; }
    .detail-hero-overlay { padding: 40px 20px 20px; }
    .post-nav { grid-template-columns: 1fr; }
    .article-content { padding: 10px 0 30px; }
    .category-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; -webkit-overflow-scrolling: touch; }
    .category-tab { flex-shrink: 0; }
    .back-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }
}

/* ===== 16. Responsive: Small Mobile ===== */
@media (max-width: 480px) {
    .header-inner { height: 56px; }
    .site-logo { font-size: 1.1rem; }
    .site-logo .logo-icon { width: 32px; height: 32px; font-size: 0.85rem; }
    .hero-title { font-size: 1.5rem; }
    .hero-stats { gap: 16px; }
    .hero-stat .stat-num { font-size: 1.2rem; }
    .news-body { padding: 14px; }
    .news-body h3 { font-size: 1rem; }
    .section-title { font-size: 1.1rem; }
    .pagination a, .pagination span { padding: 6px 10px; font-size: 0.8rem; }
}