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a{font-size:12px;color:rgba(255,255,255,0.4);transition:var(--transition);}.footer-links a:hover{color:var(--accent);}.page-hero{background:linear-gradient(135deg,var(--primary),var(--primary-light));padding:60px 0;}.page-hero-content{max-width:1280px;margin:0 auto;padding:0 20px;}.page-hero h1{font-size:36px;font-weight:900;color:#fff;margin-bottom:12px;}.page-hero p{font-size:15px;color:rgba(255,255,255,0.7);max-width:600px;line-height:1.8;}.content-layout{display:grid;grid-template-columns:1fr 300px;gap:32px;}.sidebar-widget{background:var(--bg-white);border-radius:var(--radius-lg);padding:20px;border:1px solid var(--border);margin-bottom:20px;}.widget-title{font-size:16px;font-weight:700;color:var(--text-dark);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--accent);}.hot-list{display:flex;flex-direction:column;gap:10px;}.hot-list 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1fr;}.partner-grid{grid-template-columns:repeat(3,1fr);}.footer-grid{grid-template-columns:1fr 1fr;}.section{padding:40px 0;}.section-title{font-size:22px;}.stats-grid{grid-template-columns:repeat(4,1fr);}.stats-item .num{font-size:20px;}.page-hero h1{font-size:24px;}.btn-login{display:none;}}@media (max-width:480px){.video-grid-5,.video-grid-4,.video-grid-3{grid-template-columns:1fr 1fr;}.expert-grid{grid-template-columns:1fr;}.howto-steps{grid-template-columns:1fr;}.partner-grid{grid-template-columns:repeat(2,1fr);}.footer-grid{grid-template-columns:1fr;}.stats-grid{grid-template-columns:repeat(2,1fr);}.hero-actions{flex-direction:column;}.btn-hero-primary,.btn-hero-secondary{text-align:center;justify-content:center;}.search-tags{display:none;}.section-header{flex-direction:column;align-items:flex-start;}.hero-stats{gap:12px;}.stat-num{font-size:18px;}}@media print{.site-header,.search-bar,.danmu-section,#videoModal,#backToTop{display:none;}}