/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #f5b801;
  --color-primary-hover: #ffcc2a;
  --color-primary-dark: #c99401;
  --color-accent: #e31212;
  --color-accent-hover: #ff3333;
  --color-bg: #0b0f1a;
  --color-bg-alt: #111827;
  --color-bg-card: #151e2c;
  --color-bg-card-hover: #1c2a3e;
  --color-bg-nav: #0d1321;
  --color-bg-footer: #080c14;
  --color-text: #f0f4f8;
  --color-text-secondary: #8a9bb5;
  --color-text-muted: #5a6e8a;
  --color-border: #1e2a3a;
  --color-border-light: #2a3850;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(245,184,1,0.15);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-h: 130px;
}
/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-family); background: var(--color-bg); color: var(--color-text); line-height: 1.6; font-size: 16px; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-hover); }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 4px; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; color: inherit; transition: var(--transition); }
button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 4px; }
input, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; background: var(--color-bg-card); color: var(--color-text); padding: 12px 18px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); transition: var(--transition); }
input:focus, textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(245,184,1,0.15); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--color-text); }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { margin-bottom: 0.75rem; color: var(--color-text-secondary); }
::selection { background: var(--color-primary); color: #000; }
/* ===== 容器 ===== */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }
/* ===== 导航 ===== */
.site-header { position: sticky; top: 0; z-index: 1000; background: var(--color-bg-nav); border-bottom: 1px solid var(--color-border); box-shadow: 0 4px 20px rgba(0,0,0,0.6); }
.header-top { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: #000; font-weight: 900; }
.logo-text { font-size: 1.5rem; font-weight: 800; background: linear-gradient(135deg, var(--color-primary), #ffd966); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; letter-spacing: -0.5px; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box { display: flex; align-items: center; background: var(--color-bg-card); border-radius: var(--radius-sm); border: 1px solid var(--color-border); padding: 0 12px; transition: var(--transition); }
.search-box:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(245,184,1,0.12); }
.search-box input { background: transparent; border: none; padding: 8px 8px; font-size: 0.9rem; width: 180px; color: var(--color-text); }
.search-box input::placeholder { color: var(--color-text-muted); }
.search-box i { color: var(--color-text-muted); font-size: 0.9rem; }
.btn-cta { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #000; padding: 8px 22px; border-radius: var(--radius-sm); font-weight: 700; font-size: 0.85rem; transition: var(--transition); letter-spacing: 0.3px; }
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,184,1,0.3); color: #000; }
.btn-cta-outline { background: transparent; border: 2px solid var(--color-primary); color: var(--color-primary); padding: 6px 20px; border-radius: var(--radius-sm); font-weight: 700; font-size: 0.85rem; transition: var(--transition); }
.btn-cta-outline:hover { background: var(--color-primary); color: #000; transform: translateY(-2px); }
/* 频道导航 */
.channel-nav { border-top: 1px solid var(--color-border); background: rgba(13,19,33,0.95); }
.channel-list { display: flex; gap: 4px; padding: 6px 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.channel-list::-webkit-scrollbar { display: none; }
.channel-item { flex-shrink: 0; }
.channel-link { display: flex; align-items: center; gap: 8px; padding: 8px 20px; border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 500; color: var(--color-text-secondary); transition: var(--transition); white-space: nowrap; }
.channel-link i { font-size: 0.85rem; }
.channel-link:hover { color: var(--color-primary); background: rgba(245,184,1,0.08); }
.channel-link.active { color: var(--color-primary); background: rgba(245,184,1,0.12); font-weight: 700; box-shadow: inset 0 -2px 0 var(--color-primary); }
/* 移动端菜单切换 */
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; background: none; border: none; }
.mobile-toggle span { width: 26px; height: 2.5px; background: var(--color-text); border-radius: 4px; transition: var(--transition); }
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .header-actions .search-box { display: none; }
  .header-actions .btn-cta { font-size: 0.8rem; padding: 6px 14px; }
  .channel-list { gap: 2px; }
  .channel-link { padding: 6px 14px; font-size: 0.82rem; }
  .logo-text { font-size: 1.2rem; }
  :root { --header-h: 110px; }
}
@media (max-width: 520px) {
  .channel-link { padding: 6px 10px; font-size: 0.75rem; }
  .channel-link i { display: none; }
  .logo-text { font-size: 1rem; }
  .logo-icon { width: 32px; height: 32px; font-size: 1.1rem; }
}
/* ===== Hero 首屏 ===== */
.hero { position: relative; min-height: 75vh; display: flex; align-items: center; background: linear-gradient(145deg, #0b0f1a 0%, #162033 50%, #0d1321 100%); overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 50%, rgba(245,184,1,0.06) 0%, transparent 60%), radial-gradient(ellipse at 80% 30%, rgba(227,18,18,0.04) 0%, transparent 50%); pointer-events: none; }
.hero-bg-pattern { position: absolute; inset: 0; opacity: 0.03; background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f5b801' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 60px 0; }
.hero-content h1 { margin-bottom: 20px; }
.hero-content h1 span { color: var(--color-primary); }
.hero-desc { font-size: 1.15rem; color: var(--color-text-secondary); max-width: 520px; margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-btn-primary { display: inline-flex; align-items: center; gap: 10px; background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #000; padding: 14px 34px; border-radius: var(--radius-sm); font-weight: 700; font-size: 1.05rem; transition: var(--transition); box-shadow: 0 4px 24px rgba(245,184,1,0.25); }
.hero-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 36px rgba(245,184,1,0.35); color: #000; }
.hero-btn-secondary { display: inline-flex; align-items: center; gap: 10px; background: transparent; border: 2px solid var(--color-border-light); color: var(--color-text); padding: 12px 30px; border-radius: var(--radius-sm); font-weight: 600; font-size: 1.05rem; transition: var(--transition); }
.hero-btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-3px); }
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-card-stack { position: relative; width: 100%; max-width: 480px; aspect-ratio: 4/3; }
.hero-card-main { position: absolute; inset: 0; background: linear-gradient(145deg, rgba(21,30,44,0.95), rgba(21,30,44,0.8)); border-radius: var(--radius-lg); border: 1px solid var(--color-border); padding: 28px; box-shadow: var(--shadow-lg); backdrop-filter: blur(12px); display: flex; flex-direction: column; justify-content: center; }
.hero-live-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--color-accent); color: #fff; padding: 4px 16px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.5px; width: fit-content; margin-bottom: 16px; }
.hero-live-badge i { font-size: 0.6rem; animation: pulse-dot 1.4s infinite; }
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero-stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.hero-stat-item { background: rgba(255,255,255,0.04); padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.06); }
.hero-stat-num { font-size: 1.4rem; font-weight: 800; color: var(--color-primary); }
.hero-stat-label { font-size: 0.78rem; color: var(--color-text-muted); }
.hero-card-accent { position: absolute; top: -12px; right: -12px; width: 120px; height: 120px; background: radial-gradient(circle, rgba(245,184,1,0.15), transparent 70%); pointer-events: none; }
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; padding: 40px 0; }
  .hero-visual { order: -1; }
  .hero-card-stack { max-width: 400px; margin: 0 auto; }
  .hero { min-height: auto; }
}
@media (max-width: 640px) {
  .hero-actions { flex-direction: column; }
  .hero-btn-primary, .hero-btn-secondary { justify-content: center; }
  .hero-card-main { padding: 20px; }
}
/* ===== 通用板块 ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 600px; margin: 0 auto; color: var(--color-text-secondary); }
.section-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(245,184,1,0.1); color: var(--color-primary); padding: 4px 16px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; margin-bottom: 16px; letter-spacing: 0.5px; }
/* ===== 热门赛事 ===== */
.sports-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.sport-card { background: var(--color-bg-card); border-radius: var(--radius-md); padding: 28px 20px; text-align: center; border: 1px solid var(--color-border); transition: var(--transition); cursor: default; }
.sport-card:hover { transform: translateY(-6px); border-color: var(--color-primary); box-shadow: var(--shadow-md), var(--shadow-glow); }
.sport-icon { width: 64px; height: 64px; margin: 0 auto 16px; background: rgba(245,184,1,0.08); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--color-primary); transition: var(--transition); }
.sport-card:hover .sport-icon { background: rgba(245,184,1,0.18); transform: scale(1.05); }
.sport-card h4 { margin-bottom: 6px; }
.sport-card p { font-size: 0.85rem; color: var(--color-text-muted); }
.sport-badge { display: inline-block; background: rgba(227,18,18,0.15); color: var(--color-accent); font-size: 0.7rem; font-weight: 700; padding: 2px 12px; border-radius: 12px; margin-top: 10px; }
@media (max-width: 1024px) { .sports-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .sports-grid { grid-template-columns: 1fr 1fr; gap: 12px; } .sport-card { padding: 20px 14px; } }
/* ===== 分类入口 ===== */
.cats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cat-card { position: relative; background: var(--color-bg-card); border-radius: var(--radius-md); padding: 36px 32px; border: 1px solid var(--color-border); transition: var(--transition); overflow: hidden; }
.cat-card::after { content: ''; position: absolute; top: 0; right: 0; width: 160px; height: 160px; background: radial-gradient(circle, rgba(245,184,1,0.05), transparent 70%); pointer-events: none; }
.cat-card:hover { border-color: var(--color-primary); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cat-card-icon { width: 52px; height: 52px; background: rgba(245,184,1,0.1); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--color-primary); margin-bottom: 16px; }
.cat-card h3 { margin-bottom: 8px; }
.cat-card p { font-size: 0.92rem; color: var(--color-text-muted); margin-bottom: 16px; }
.cat-card-link { display: inline-flex; align-items: center; gap: 6px; color: var(--color-primary); font-weight: 600; font-size: 0.9rem; }
.cat-card-link i { font-size: 0.8rem; transition: var(--transition); }
.cat-card:hover .cat-card-link i { transform: translateX(4px); }
@media (max-width: 768px) { .cats-grid { grid-template-columns: 1fr; } }
/* ===== 最新资讯列表 (CMS) ===== */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item { display: grid; grid-template-columns: 180px 1fr; gap: 20px; background: var(--color-bg-card); border-radius: var(--radius-md); padding: 20px; border: 1px solid var(--color-border); transition: var(--transition); }
.news-item:hover { border-color: var(--color-primary); transform: translateX(4px); box-shadow: var(--shadow-sm); }
.news-thumb { background: var(--color-bg-alt); border-radius: var(--radius-sm); aspect-ratio: 16/10; display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 2rem; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { display: flex; flex-direction: column; justify-content: center; }
.news-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.news-cat { background: rgba(245,184,1,0.1); color: var(--color-primary); padding: 2px 12px; border-radius: 12px; font-size: 0.72rem; font-weight: 600; }
.news-date { font-size: 0.78rem; color: var(--color-text-muted); }
.news-title { font-size: 1.1rem; font-weight: 600; color: var(--color-text); margin-bottom: 6px; transition: var(--transition); }
.news-item:hover .news-title { color: var(--color-primary); }
.news-summary { font-size: 0.88rem; color: var(--color-text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-empty { text-align: center; padding: 48px 20px; color: var(--color-text-muted); font-size: 1.05rem; background: var(--color-bg-card); border-radius: var(--radius-md); border: 1px dashed var(--color-border); }
@media (max-width: 768px) {
  .news-item { grid-template-columns: 1fr; gap: 12px; }
  .news-thumb { aspect-ratio: 16/7; }
}
/* ===== 数据统计 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { text-align: center; background: var(--color-bg-card); border-radius: var(--radius-md); padding: 32px 16px; border: 1px solid var(--color-border); transition: var(--transition); }
.stat-card:hover { border-color: var(--color-primary); transform: translateY(-4px); }
.stat-number { font-size: 2.4rem; font-weight: 800; color: var(--color-primary); line-height: 1.1; }
.stat-number span { font-size: 1.2rem; color: var(--color-text-muted); }
.stat-label { font-size: 0.92rem; color: var(--color-text-secondary); margin-top: 8px; }
.stat-icon { font-size: 1.6rem; color: rgba(245,184,1,0.2); margin-bottom: 10px; }
@media (max-width: 1024px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; } .stat-number { font-size: 1.8rem; } }
/* ===== 流程 / 指南 ===== */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
.step-card { background: var(--color-bg-card); border-radius: var(--radius-md); padding: 32px 24px; border: 1px solid var(--color-border); transition: var(--transition); position: relative; }
.step-card:hover { transform: translateY(-4px); border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.step-num { position: absolute; top: 16px; right: 20px; font-size: 2.8rem; font-weight: 900; color: rgba(245,184,1,0.08); line-height: 1; }
.step-icon { width: 48px; height: 48px; background: rgba(245,184,1,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--color-primary); margin-bottom: 16px; }
.step-card h4 { margin-bottom: 8px; }
.step-card p { font-size: 0.88rem; color: var(--color-text-muted); }
@media (max-width: 1024px) { .steps-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .steps-grid { grid-template-columns: 1fr; } }
/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--color-bg-card); border-radius: var(--radius-md); border: 1px solid var(--color-border); transition: var(--transition); overflow: hidden; }
.faq-item:hover { border-color: var(--color-border-light); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; cursor: pointer; font-weight: 600; font-size: 1rem; color: var(--color-text); transition: var(--transition); user-select: none; }
.faq-question i { color: var(--color-primary); font-size: 0.85rem; transition: var(--transition); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner { padding: 0 24px 18px; font-size: 0.92rem; color: var(--color-text-secondary); line-height: 1.7; }
/* ===== CTA ===== */
.cta-section { background: linear-gradient(145deg, #0d1321, #1a2538); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.cta-box { text-align: center; padding: 60px 20px; }
.cta-box h2 { margin-bottom: 16px; }
.cta-box p { max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-btn { display: inline-flex; align-items: center; gap: 10px; background: linear-gradient(135deg, var(--color-accent), #b00); color: #fff; padding: 14px 34px; border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem; transition: var(--transition); box-shadow: 0 4px 24px rgba(227,18,18,0.25); }
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 36px rgba(227,18,18,0.35); color: #fff; }
.cta-btn-outline { display: inline-flex; align-items: center; gap: 10px; background: transparent; border: 2px solid var(--color-primary); color: var(--color-primary); padding: 12px 30px; border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem; transition: var(--transition); }
.cta-btn-outline:hover { background: var(--color-primary); color: #000; transform: translateY(-3px); }
/* ===== 页脚 ===== */
.site-footer { background: var(--color-bg-footer); border-top: 1px solid var(--color-border); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--color-border); }
.footer-brand .logo-text { font-size: 1.3rem; }
.footer-brand p { font-size: 0.88rem; color: var(--color-text-muted); margin-top: 12px; max-width: 320px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--color-border); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 0.95rem; transition: var(--transition); }
.footer-social a:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(245,184,1,0.08); }
.footer-col h5 { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; color: var(--color-text); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: var(--color-text-muted); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--color-primary); padding-left: 4px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: 0.82rem; color: var(--color-text-muted); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.82rem; color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}
/* ===== 滚动动画 ===== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
/* ===== 按钮通用 ===== */
.btn-more { display: inline-flex; align-items: center; gap: 8px; color: var(--color-primary); font-weight: 600; font-size: 0.92rem; transition: var(--transition); }
.btn-more i { font-size: 0.8rem; transition: var(--transition); }
.btn-more:hover i { transform: translateX(4px); }
/* ===== 分隔线 ===== */
.divider { width: 60px; height: 4px; background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); border-radius: 4px; margin: 0 auto 20px; }
/* ===== 响应式补丁 ===== */
@media (max-width: 480px) {
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 28px; }
  .hero-card-stack { max-width: 100%; }
}

/* roulang page: article */
:root {
  --primary: #E63946;
  --primary-dark: #C1121F;
  --primary-light: #FAD2D5;
  --secondary: #1D3557;
  --secondary-light: #457B9D;
  --accent: #F4A261;
  --accent-glow: rgba(244, 162, 97, 0.3);
  --bg: #0B0E14;
  --bg-card: #14181F;
  --bg-elevated: #1B212B;
  --bg-hover: #232B38;
  --text: #F1FAEE;
  --text-muted: #A8B2C1;
  --text-weak: #6B7A8F;
  --border: #2A3440;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(230,57,70,0.15);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --max-width: 1200px;
}
*,*::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;-moz-osx-font-smoothing:grayscale;}
a{color:var(--secondary-light);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent);}
img{max-width:100%;height:auto;display:block;}
button,input,textarea{font-family:inherit;font-size:inherit;outline:none;border:none;background:none;color:var(--text);}
ul{list-style:none;}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px;}
@media(max-width:768px){.container{padding:0 16px;}}

/* header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(11,14,20,0.92);backdrop-filter:blur(20px) saturate(1.2);-webkit-backdrop-filter:blur(20px) saturate(1.2);border-bottom:1px solid var(--border);}
.header-top{padding:12px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-radius:var(--radius-sm);font-size:22px;font-weight:800;box-shadow:0 4px 12px rgba(230,57,70,0.35);}
.logo-text{font-size:22px;font-weight:800;background:linear-gradient(135deg,#fff 60%,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap;}
@media(max-width:480px){.logo-text{font-size:18px;}}
.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.search-box{display:flex;align-items:center;background:var(--bg-card);border:1px solid var(--border);border-radius:30px;padding:6px 16px;gap:8px;transition:var(--transition);min-width:200px;}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(230,57,70,0.15);}
.search-box i{color:var(--text-muted);font-size:14px;}
.search-box input{background:none;border:none;padding:6px 0;color:var(--text);width:100%;}
.search-box input::placeholder{color:var(--text-weak);}
@media(max-width:768px){.search-box{min-width:120px;}.search-box input{width:80px;}}
.btn-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:30px;font-weight:600;font-size:14px;transition:var(--transition);box-shadow:0 4px 16px rgba(230,57,70,0.3);}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(230,57,70,0.45);color:#fff;}
.btn-cta i{font-size:16px;}
@media(max-width:640px){.btn-cta span{display:none;}.btn-cta{padding:10px 16px;}}
.mobile-toggle{display:none;flex-direction:column;gap:5px;padding:8px;background:none;border:none;cursor:pointer;}
.mobile-toggle span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition);}
@media(max-width:768px){.mobile-toggle{display:flex;}}

/* channel nav */
.channel-nav{background:rgba(20,24,31,0.9);border-top:1px solid var(--border);overflow:hidden;}
.channel-list{display:flex;gap:4px;padding:8px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:30px;font-size:14px;font-weight:500;color:var(--text-muted);white-space:nowrap;transition:var(--transition);border:1px solid transparent;flex-shrink:0;}
.channel-link i{font-size:15px;}
.channel-link:hover{color:var(--text);background:var(--bg-hover);border-color:var(--border);}
.channel-link.active{background:linear-gradient(135deg,rgba(230,57,70,0.2),rgba(244,162,97,0.15));color:var(--accent);border-color:rgba(244,162,97,0.3);box-shadow:0 0 20px rgba(244,162,97,0.08);}
@media(max-width:768px){.channel-link{padding:8px 14px;font-size:13px;}}

/* article detail */
.article-hero{padding:48px 0 32px;background:linear-gradient(180deg,rgba(230,57,70,0.08) 0%,transparent 100%);border-bottom:1px solid var(--border);}
.article-hero .breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);margin-bottom:24px;flex-wrap:wrap;}
.article-hero .breadcrumb a{color:var(--secondary-light);}
.article-hero .breadcrumb a:hover{color:var(--accent);}
.article-hero .breadcrumb .sep{color:var(--text-weak);}
.article-hero .breadcrumb .current{color:var(--text);}
.article-hero .article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:20px;}
.article-hero .article-meta .tag{display:inline-flex;padding:4px 16px;background:linear-gradient(135deg,rgba(230,57,70,0.2),rgba(244,162,97,0.15));color:var(--accent);border-radius:20px;font-size:13px;font-weight:500;border:1px solid rgba(244,162,97,0.2);}
.article-hero .article-meta .date{color:var(--text-muted);font-size:14px;display:flex;align-items:center;gap:6px;}
.article-hero .article-meta .date i{font-size:13px;}
.article-hero h1{font-size:36px;font-weight:800;line-height:1.3;color:var(--text);margin-bottom:16px;letter-spacing:-0.5px;}
@media(max-width:768px){.article-hero h1{font-size:26px;}}
.article-hero .excerpt{font-size:18px;color:var(--text-muted);line-height:1.7;max-width:800px;}
@media(max-width:768px){.article-hero .excerpt{font-size:16px;}}

.article-main{padding:40px 0 60px;}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:48px;}
@media(max-width:992px){.article-layout{grid-template-columns:1fr;gap:40px;}}
.article-content{background:var(--bg-card);border-radius:var(--radius-lg);padding:40px;border:1px solid var(--border);box-shadow:var(--shadow-md);}
@media(max-width:768px){.article-content{padding:24px;}}
.article-content h2{font-size:26px;font-weight:700;margin:36px 0 16px;color:var(--text);line-height:1.35;}
.article-content h3{font-size:22px;font-weight:600;margin:28px 0 12px;color:var(--text);}
.article-content p{font-size:16px;line-height:1.9;color:var(--text-muted);margin-bottom:20px;}
.article-content ul,.article-content ol{padding-left:24px;margin-bottom:20px;color:var(--text-muted);}
.article-content li{margin-bottom:8px;line-height:1.8;}
.article-content img{border-radius:var(--radius-md);margin:24px 0;box-shadow:var(--shadow-sm);}
.article-content blockquote{border-left:4px solid var(--primary);background:rgba(230,57,70,0.06);padding:16px 24px;margin:24px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text);font-style:italic;}
.article-content a{color:var(--accent);border-bottom:1px solid rgba(244,162,97,0.3);}
.article-content a:hover{border-color:var(--accent);}

.article-sidebar{display:flex;flex-direction:column;gap:28px;}
.sidebar-card{background:var(--bg-card);border-radius:var(--radius-md);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow-sm);}
.sidebar-card h4{font-size:18px;font-weight:700;margin-bottom:16px;color:var(--text);display:flex;align-items:center;gap:10px;}
.sidebar-card h4 i{color:var(--primary);font-size:18px;}
.sidebar-list{display:flex;flex-direction:column;gap:12px;}
.sidebar-list li{display:flex;gap:12px;align-items:flex-start;}
.sidebar-list li .num{flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:rgba(230,57,70,0.15);color:var(--primary);border-radius:50%;font-size:13px;font-weight:700;}
.sidebar-list li a{font-size:14px;color:var(--text-muted);line-height:1.4;transition:var(--transition);}
.sidebar-list li a:hover{color:var(--accent);}
.sidebar-cta{background:linear-gradient(135deg,rgba(230,57,70,0.12),rgba(244,162,97,0.08));border:1px solid rgba(244,162,97,0.2);border-radius:var(--radius-md);padding:24px;text-align:center;}
.sidebar-cta h5{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text);}
.sidebar-cta p{font-size:14px;color:var(--text-muted);margin-bottom:16px;}
.sidebar-cta .btn-solid{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:30px;font-weight:600;font-size:14px;transition:var(--transition);box-shadow:0 4px 16px rgba(230,57,70,0.3);}
.sidebar-cta .btn-solid:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(230,57,70,0.45);color:#fff;}

/* not found */
.not-found{padding:80px 0;text-align:center;}
.not-found .icon{font-size:64px;color:var(--text-weak);margin-bottom:24px;}
.not-found h2{font-size:32px;font-weight:700;margin-bottom:16px;}
.not-found p{color:var(--text-muted);margin-bottom:24px;font-size:18px;}
.not-found a{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;background:var(--bg-card);border:1px solid var(--border);border-radius:30px;color:var(--text);font-weight:500;transition:var(--transition);}
.not-found a:hover{background:var(--bg-hover);border-color:var(--secondary-light);}

/* footer */
.site-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:48px 0 24px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:32px;}
@media(max-width:992px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr;gap:24px;}}
.footer-brand p{color:var(--text-muted);font-size:14px;line-height:1.8;margin:12px 0 16px;max-width:360px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bg-hover);border-radius:50%;color:var(--text-muted);font-size:18px;transition:var(--transition);border:1px solid var(--border);}
.footer-social a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-3px);box-shadow:0 6px 20px rgba(230,57,70,0.3);}
.footer-col h5{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--text-muted);font-size:14px;transition:var(--transition);display:flex;align-items:center;gap:6px;}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--border);gap:16px;flex-wrap:wrap;}
.footer-copy{color:var(--text-weak);font-size:13px;}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-links a{color:var(--text-weak);font-size:13px;transition:var(--transition);}
.footer-links a:hover{color:var(--text-muted);}

/* back to top */
.back-top{position:fixed;bottom:32px;right:32px;z-index:999;width:48px;height:48px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 4px 20px rgba(230,57,70,0.4);cursor:pointer;opacity:0;transform:translateY(20px);transition:var(--transition);pointer-events:none;border:none;}
.back-top.visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.back-top:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(230,57,70,0.5);}

@media(max-width:480px){
  .header-top{padding:10px 0;}
  .article-hero{padding:32px 0 24px;}
  .article-hero h1{font-size:22px;}
  .article-content{padding:16px;}
  .article-content h2{font-size:22px;}
  .article-content p{font-size:15px;}
  .sidebar-card{padding:16px;}
  .site-footer{padding:32px 0 16px;}
  .back-top{bottom:20px;right:20px;width:40px;height:40px;font-size:16px;}
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-gold: #e9c46a;
            --bg-dark: #0b1a2f;
            --bg-darker: #061121;
            --bg-card: #0f2640;
            --bg-card-hover: #142f4d;
            --bg-section: #0d1f36;
            --bg-light: #f8f9fa;
            --text-primary: #ffffff;
            --text-secondary: #b0c4de;
            --text-muted: #6c8eb0;
            --text-dark: #1a1a2e;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.25);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --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-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 26, 47, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(6, 17, 33, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.4);
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--text-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 6px 16px;
            gap: 10px;
            transition: var(--transition);
            width: 220px;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 20px rgba(230, 57, 70, 0.15);
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
        }

        .search-box input {
            background: none;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
            padding: 4px 0;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
            white-space: nowrap;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.5);
        }

        .btn-cta:active {
            transform: translateY(0);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== Channel Nav ===== */
        .channel-nav {
            border-top: 1px solid var(--border-color);
            background: rgba(6, 17, 33, 0.6);
            overflow: hidden;
        }

        .channel-list {
            display: flex;
            gap: 4px;
            padding: 6px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-list::-webkit-scrollbar {
            display: none;
        }

        .channel-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .channel-link i {
            font-size: 13px;
        }

        .channel-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .channel-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }

        .channel-link.active:hover {
            background: var(--primary-dark);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            padding: 160px 0 60px;
            background: linear-gradient(160deg, var(--bg-darker) 0%, var(--bg-dark) 40%, rgba(230, 57, 70, 0.08) 100%);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(69, 123, 157, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.15);
            border: 1px solid rgba(230, 57, 70, 0.25);
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 60%, var(--text-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 32px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-stat-item .number {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }

        .hero-stat-item .number span {
            color: var(--primary);
        }

        .hero-stat-item .label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 400;
        }

        /* ===== Section General ===== */
        .section {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.12);
            border: 1px solid rgba(230, 57, 70, 0.2);
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .card:hover {
            transform: translateY(-6px);
            border-color: rgba(230, 57, 70, 0.3);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--bg-darker);
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .card:hover .card-image img {
            transform: scale(1.05);
        }

        .card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.4);
        }

        .card-image .card-time {
            position: absolute;
            bottom: 12px;
            right: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-body {
            padding: 20px;
        }

        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .card-body .card-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            color: #fff;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-footer {
            padding: 12px 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-footer a {
            color: var(--primary-light);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-footer a:hover {
            color: #fff;
        }

        /* ===== Category Tabs ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: 36px;
        }

        .category-tab {
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }

        .category-tab:hover {
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
        }

        .category-tab.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }

        /* ===== Schedule / Timeline ===== */
        .schedule-section {
            background: var(--bg-section);
        }

        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .schedule-item:hover {
            border-color: rgba(230, 57, 70, 0.25);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .schedule-time {
            flex-shrink: 0;
            text-align: center;
            min-width: 70px;
        }

        .schedule-time .date {
            font-size: 13px;
            color: var(--text-muted);
            display: block;
        }

        .schedule-time .time {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            display: block;
        }

        .schedule-info {
            flex: 1;
            min-width: 0;
        }

        .schedule-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
        }

        .schedule-info p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .schedule-status {
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .schedule-status.live {
            background: rgba(230, 57, 70, 0.2);
            color: var(--primary-light);
            border: 1px solid rgba(230, 57, 70, 0.3);
            animation: pulse-dot 2s infinite;
        }

        .schedule-status.upcoming {
            background: rgba(69, 123, 157, 0.15);
            color: var(--secondary-light);
            border: 1px solid rgba(69, 123, 157, 0.25);
        }

        .schedule-status.finished {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        /* ===== Featured / Highlight ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

        .featured-main {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .featured-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(230, 57, 70, 0.3);
        }

        .featured-main .featured-image {
            height: 320px;
            background: var(--bg-darker);
            position: relative;
            overflow: hidden;
        }

        .featured-main .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .featured-main:hover .featured-image img {
            transform: scale(1.03);
        }

        .featured-main .featured-image .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.5);
            transition: var(--transition);
        }

        .featured-main:hover .play-btn {
            transform: translate(-50%, -50%) scale(1.1);
        }

        .featured-main .featured-body {
            padding: 24px;
        }

        .featured-main .featured-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .featured-main .featured-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .featured-side-card {
            display: flex;
            gap: 14px;
            padding: 14px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .featured-side-card:hover {
            border-color: rgba(230, 57, 70, 0.25);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .featured-side-card .thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: var(--bg-darker);
            flex-shrink: 0;
            overflow: hidden;
        }

        .featured-side-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-side-card .info h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-side-card .info .meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== Data Block ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .data-card:hover {
            transform: translateY(-6px);
            border-color: rgba(230, 57, 70, 0.25);
            box-shadow: var(--shadow-lg);
        }

        .data-card .data-number {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .data-card .data-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .data-card .data-desc {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section);
        }

        .faq-list {
            max-width: 760px;
            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: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.12);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            transition: var(--transition);
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--primary-light);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(160deg, var(--bg-darker), rgba(230, 57, 70, 0.06), var(--bg-darker));
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(230, 57, 70, 0.55);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 16px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
        }

        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-copy {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-grid {
                grid-template-columns: 1fr;
            }

            .featured-main .featured-image {
                height: 240px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 120px;
            }

            .header-top {
                padding: 10px 0;
            }

            .logo-text {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }

            .search-box {
                width: 140px;
                padding: 4px 12px;
            }

            .search-box input {
                font-size: 13px;
            }

            .btn-cta {
                padding: 6px 14px;
                font-size: 13px;
            }

            .btn-cta span {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .channel-list {
                padding: 4px 0;
                gap: 2px;
            }

            .channel-link {
                padding: 6px 14px;
                font-size: 13px;
                gap: 6px;
            }

            .channel-link i {
                font-size: 12px;
            }

            .page-hero {
                padding: 130px 0 40px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero p {
                font-size: 15px;
            }

            .hero-stats {
                gap: 20px;
                flex-wrap: wrap;
            }

            .hero-stat-item .number {
                font-size: 22px;
            }

            .section {
                padding: 48px 0;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .card-image {
                height: 180px;
            }

            .featured-main .featured-image {
                height: 200px;
            }

            .featured-main .featured-body h3 {
                font-size: 18px;
            }

            .featured-side-card .thumb {
                width: 64px;
                height: 48px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .data-card {
                padding: 24px 16px;
            }

            .data-card .data-number {
                font-size: 30px;
            }

            .schedule-item {
                flex-wrap: wrap;
                padding: 14px 16px;
                gap: 12px;
            }

            .schedule-time {
                min-width: 60px;
            }

            .schedule-time .time {
                font-size: 14px;
            }

            .cta-section {
                padding: 56px 0;
            }

            .cta-section h2 {
                font-size: 24px;
            }

            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-links {
                justify-content: center;
            }

            .category-tabs {
                gap: 6px;
            }

            .category-tab {
                padding: 6px 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }

            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }

            .card-image {
                height: 160px;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .data-card {
                padding: 18px 12px;
            }

            .data-card .data-number {
                font-size: 26px;
            }

            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .schedule-status {
                align-self: flex-start;
            }

            .featured-side-card {
                padding: 10px;
            }

            .search-box {
                width: 100px;
            }

            .search-box input {
                font-size: 12px;
            }

            .logo-text {
                font-size: 16px;
            }
        }

        /* ===== Utility ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .gap-8 {
            gap: 8px;
        }

        /* ===== Back to top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.4);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
            z-index: 999;
            cursor: pointer;
            border: none;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: 0 10px 36px rgba(230, 57, 70, 0.55);
        }

        @media (max-width: 768px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
        }

        /* ===== Live indicator ===== */
        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 2px 10px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.15);
            border: 1px solid rgba(230, 57, 70, 0.25);
            font-size: 11px;
            font-weight: 600;
            color: var(--primary-light);
        }

        .live-indicator .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse-dot 1.5s infinite;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary-light);
        }

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--primary-light);
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #f1faee;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #ffb703;
            --accent-dark: #fb8500;
            --bg-body: #0b0f1a;
            --bg-card: #141b2d;
            --bg-card-hover: #1a233a;
            --bg-section-alt: #0f1524;
            --text-white: #ffffff;
            --text-light: #e0e6f0;
            --text-muted: #8892b0;
            --text-dark: #0b0f1a;
            --border-color: #1e2a45;
            --border-light: #2a3a5c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 130px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-body);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-white);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-muted);
        }
        p:last-child {
            margin-bottom: 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 15, 26, 0.95);
            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 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
        }
        .logo-text span {
            color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 0 16px;
            height: 40px;
            width: 220px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 10px;
        }
        .search-box input {
            flex: 1;
            height: 100%;
            background: transparent;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.35);
        }
        .btn-cta i {
            font-size: 0.85rem;
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            gap: 5px;
            padding: 8px;
        }
        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 频道导航 */
        .channel-nav {
            background: rgba(15, 21, 36, 0.95);
            border-top: 1px solid var(--border-color);
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-list {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 20px;
            height: 50px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .channel-link i {
            font-size: 0.85rem;
        }
        .channel-link:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .channel-link.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
        }
        .channel-link.active:hover {
            background: var(--primary-dark);
        }

        /* ===== Hero 板块 ===== */
        .category-hero {
            padding: 60px 0 50px;
            background: linear-gradient(135deg, #0b0f1a 0%, #1a0f1a 50%, #0f1524 100%);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.08), transparent 70%);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 183, 3, 0.06), transparent 70%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .hero-tags .tag {
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary);
            border: 1px solid rgba(230, 57, 70, 0.2);
            transition: var(--transition);
        }
        .hero-tags .tag:hover {
            background: rgba(230, 57, 70, 0.2);
            transform: translateY(-1px);
        }
        .hero-search {
            max-width: 520px;
            margin: 24px auto 0;
            display: flex;
            gap: 10px;
        }
        .hero-search input {
            flex: 1;
            padding: 14px 20px;
            border-radius: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-light);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .hero-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }
        .hero-search input::placeholder {
            color: var(--text-muted);
        }
        .hero-search button {
            padding: 14px 28px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .hero-search button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.3);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 1.05rem;
            max-width: 580px;
            margin: 0 auto;
            color: var(--text-muted);
        }
        .section-header .badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary);
            border: 1px solid rgba(230, 57, 70, 0.2);
            margin-bottom: 12px;
        }

        /* ===== 运动项目卡片 ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
            gap: 20px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 16px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .sport-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .sport-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .sport-card:hover::before {
            opacity: 1;
        }
        .sport-card .icon {
            font-size: 2.6rem;
            margin-bottom: 14px;
            display: block;
            line-height: 1;
        }
        .sport-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .sport-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .sport-card .count {
            display: inline-block;
            margin-top: 10px;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(69, 123, 157, 0.15);
            color: var(--secondary-light);
        }

        /* ===== 指南文章列表 ===== */
        .guide-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .guide-item {
            display: flex;
            gap: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .guide-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .guide-item .thumb {
            width: 200px;
            min-height: 140px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            overflow: hidden;
            position: relative;
        }
        .guide-item .thumb .play-icon {
            position: absolute;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            opacity: 0;
            transform: scale(0.8);
            transition: var(--transition);
        }
        .guide-item:hover .thumb .play-icon {
            opacity: 1;
            transform: scale(1);
        }
        .guide-item .content {
            flex: 1;
            min-width: 0;
        }
        .guide-item .content .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .guide-item .content .meta .cat {
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.72rem;
        }
        .guide-item .content h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .guide-item .content h3 a {
            color: var(--text-white);
        }
        .guide-item .content h3 a:hover {
            color: var(--primary);
        }
        .guide-item .content p {
            font-size: 0.92rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-item .content .footer-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .guide-item .content .footer-meta i {
            margin-right: 4px;
        }
        .guide-item .content .footer-meta .stars {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .guide-item {
                flex-direction: column;
            }
            .guide-item .thumb {
                width: 100%;
                min-height: 180px;
            }
        }

        /* ===== 视频教程网格 ===== */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .video-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .video-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .video-card .thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, var(--secondary), #0b0f1a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3.5rem;
            overflow: hidden;
        }
        .video-card .thumb .duration {
            position: absolute;
            bottom: 10px;
            right: 12px;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
        }
        .video-card .thumb .play-btn {
            position: absolute;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
        }
        .video-card:hover .play-btn {
            transform: scale(1.1);
            background: var(--primary);
        }
        .video-card .info {
            padding: 18px 20px 20px;
        }
        .video-card .info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-white);
        }
        .video-card .info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .video-card .info .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .video-card .info .meta i {
            margin-right: 4px;
        }
        .video-card .info .meta .views i {
            color: var(--secondary-light);
        }

        /* ===== 技巧数据排行 ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .tip-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .tip-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .tip-card .rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.9rem;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary);
            margin-bottom: 12px;
        }
        .tip-card .rank.top {
            background: var(--accent);
            color: var(--text-dark);
        }
        .tip-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .tip-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .tip-card .tag-sm {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(69, 123, 157, 0.15);
            color: var(--secondary-light);
        }
        .tip-card .tag-sm.hot {
            background: rgba(230, 57, 70, 0.15);
            color: var(--primary);
        }
        .tip-card .tag-sm.new {
            background: rgba(255, 183, 3, 0.15);
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-grid {
            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: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            cursor: pointer;
            transition: var(--transition);
            gap: 16px;
            user-select: none;
        }
        .faq-item .faq-q:hover {
            color: var(--primary);
        }
        .faq-item .faq-q i {
            font-size: 1.1rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-q i {
            transform: rotate(45deg);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-a {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, #1a0f1a 0%, #0b0f1a 50%, #0f1524 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(230, 57, 70, 0.06), transparent 60%);
            pointer-events: none;
        }
        .cta-section .container {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 32px;
            color: var(--text-muted);
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            transition: var(--transition);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(230, 57, 70, 0.35);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: var(--text-white);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(230, 57, 70, 0.1);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #070a12;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand .logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 0.8rem;
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-copy {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 20px;
        }
        .footer-links a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .sports-grid {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 120px;
            }
            .header-top {
                height: 60px;
                padding: 0 16px;
            }
            .search-box {
                width: 160px;
            }
            .search-box input {
                font-size: 0.82rem;
            }
            .btn-cta span {
                display: none;
            }
            .btn-cta {
                padding: 10px 14px;
            }
            .btn-cta i {
                margin: 0;
            }
            .mobile-toggle {
                display: flex;
            }
            .channel-list {
                padding: 0 12px;
                gap: 2px;
                height: 44px;
            }
            .channel-link {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
            .channel-link i {
                font-size: 0.75rem;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .hero-search {
                flex-direction: column;
                gap: 10px;
            }
            .hero-search button {
                width: 100%;
            }
            .section {
                padding: 50px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .sports-grid {
                grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
                gap: 14px;
            }
            .sport-card {
                padding: 20px 12px;
            }
            .sport-card .icon {
                font-size: 2rem;
            }
            .video-grid {
                grid-template-columns: 1fr;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
            .faq-item .faq-q {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-item .faq-a {
                padding: 0 18px;
                font-size: 0.88rem;
            }
            .faq-item.active .faq-a {
                padding: 0 18px 16px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --header-height: 110px;
            }
            .header-top {
                height: 54px;
                padding: 0 12px;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .search-box {
                width: 120px;
            }
            .search-box i {
                margin-right: 6px;
                font-size: 12px;
            }
            .search-box input {
                font-size: 0.75rem;
            }
            .channel-link {
                font-size: 0.72rem;
                padding: 5px 10px;
                gap: 4px;
            }
            .channel-link i {
                font-size: 0.7rem;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero p {
                font-size: 0.92rem;
            }
            .hero-tags .tag {
                font-size: 0.72rem;
                padding: 4px 12px;
            }
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .sport-card {
                padding: 16px 10px;
            }
            .sport-card .icon {
                font-size: 1.8rem;
            }
            .sport-card h4 {
                font-size: 0.88rem;
            }
            .guide-item {
                padding: 16px;
            }
            .guide-item .thumb {
                min-height: 140px;
            }
            .guide-item .content h3 {
                font-size: 1rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .btn-group {
                flex-direction: column;
            }
        }