*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f9fc;color:#0f172a;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid #e5e7eb}.nav-shell{max-width:1240px;height:68px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,#38bdf8,#0284c7);color:#fff;display:grid;place-items:center;font-size:14px;box-shadow:0 8px 20px rgba(2,132,199,.23)}.desktop-nav{display:flex;gap:20px;font-size:15px;color:#475569}.desktop-nav a:hover{color:#0284c7}.search-form{margin-left:auto;display:flex;width:min(360px,34vw);background:#f1f5f9;border:1px solid #e2e8f0;border-radius:999px;overflow:hidden}.search-form input{flex:1;min-width:0;border:0;background:transparent;padding:11px 15px;outline:none}.search-form button{border:0;background:#0284c7;color:#fff;padding:0 18px;cursor:pointer}.page-shell,.wrap{max-width:1240px;margin:auto;padding:24px 20px 70px}.hero-banner{min-height:220px;border-radius:24px;padding:38px;display:flex;align-items:center;background:linear-gradient(120deg,rgba(2,132,199,.96),rgba(14,165,233,.78)),radial-gradient(circle at right,#7dd3fc,transparent 55%);color:#fff;box-shadow:0 20px 45px rgba(2,132,199,.18)}.hero-banner h1{margin:8px 0 12px;font-size:clamp(30px,5vw,54px);line-height:1.12;max-width:780px}.hero-banner p{max-width:720px;margin:0;color:#e0f2fe;font-size:16px;line-height:1.8}.eyebrow{display:inline-flex;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);padding:6px 12px;border-radius:999px;font-size:13px}.category-strip{display:flex;gap:10px;overflow:auto;padding:22px 2px 8px;scrollbar-width:none}.category-strip a{white-space:nowrap;padding:9px 16px;border-radius:999px;background:#fff;border:1px solid #e2e8f0;color:#475569}.category-strip a.active,.category-strip a:hover{background:#0284c7;border-color:#0284c7;color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;margin:28px 0 16px}.section-head h2{margin:0 0 6px;font-size:25px}.section-head p{margin:0;color:#94a3b8;font-size:14px}.video-grid,.grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}.video-card,.card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid #e7edf4;transition:.25s;box-shadow:0 6px 18px rgba(15,23,42,.04)}.video-card:hover,.card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(15,23,42,.1)}.poster,.thumb{position:relative;aspect-ratio:3/4;background:#e2e8f0;overflow:hidden}.poster img,.thumb img{width:100%;height:100%;object-fit:cover;transition:.35s}.video-card:hover img{transform:scale(1.04)}.play-button,.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:rgba(2,132,199,.9);color:#fff;opacity:0;transition:.25s}.video-card:hover .play-button{opacity:1}.duration{position:absolute;right:9px;bottom:9px;background:rgba(15,23,42,.78);color:#fff;padding:4px 8px;border-radius:7px;font-size:12px}.card-body,.meta{padding:13px 14px}.card-body h3,.title{margin:0;font-size:15px;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-meta,.sub{display:flex;justify-content:space-between;gap:8px;margin-top:8px;color:#94a3b8;font-size:12px}.empty-state,.panel{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:30px;margin-top:20px}.site-footer,.footer{text-align:center;padding:28px 20px 90px;color:#94a3b8}.mobile-nav{display:none}.detail-page{max-width:1100px}.player-wrap,.player{background:#020617;border-radius:20px;overflow:hidden;aspect-ratio:16/9;box-shadow:0 20px 50px rgba(15,23,42,.25)}.player-wrap video,.player-wrap img,.player video{width:100%;height:100%;object-fit:contain}.detail-info{background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:26px;margin-top:20px}.detail-info h1{font-size:28px;margin:12px 0}.detail-info p{color:#475569;line-height:1.9}.detail-meta{display:flex;gap:18px;color:#94a3b8;font-size:14px}.badge{display:inline-block;padding:5px 10px;border-radius:999px;background:#e0f2fe;color:#0369a1;font-size:13px}.topin{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:20px 0}.topin h2{margin-right:auto}.btn2,button.btn2{display:inline-block;border:0;border-radius:9px;padding:10px 15px;background:#0284c7;color:#fff;cursor:pointer}.danger{background:#dc2626}.notice{background:#ecfeff;border:1px solid #a5f3fc;padding:12px 15px;border-radius:10px;margin-bottom:15px}.muted{color:#64748b}.bigtextarea{width:100%;min-height:180px;border:1px solid #cbd5e1;border-radius:10px;padding:12px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;border-bottom:1px solid #e2e8f0;padding:12px 8px}.inline{display:inline}.linkbtn{border:0;background:none;color:#0284c7;cursor:pointer}.dangertext{color:#dc2626}.site-switch select,input,textarea,select{max-width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:8px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-grid label{display:flex;flex-direction:column;gap:6px}.form-grid .full{grid-column:1/-1}
@media(max-width:1050px){.video-grid,.grid{grid-template-columns:repeat(4,1fr)}.desktop-nav{display:none}}
@media(max-width:760px){.nav-shell{height:60px;padding:0 14px}.brand{font-size:17px}.search-form{width:auto;flex:1}.search-form button{padding:0 13px}.page-shell,.wrap{padding:16px 14px 88px}.hero-banner{min-height:170px;padding:25px;border-radius:18px}.hero-banner h1{font-size:30px}.video-grid,.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card-body,.meta{padding:10px}.play-button{opacity:.9;width:38px;height:38px}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:60;height:64px;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.97);border-top:1px solid #e2e8f0}.mobile-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:#64748b;gap:3px}.mobile-nav b{font-size:18px;color:#0284c7}.site-footer{padding-bottom:90px}.form-grid{grid-template-columns:1fr}.table{font-size:13px;display:block;overflow:auto}}

.video-poster{background:#0f172a;overflow:hidden}.thumb-video{width:100%;height:100%;object-fit:cover;display:block;background:#0f172a}.pagination{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:28px 0}.pagination a{min-width:38px;height:38px;display:grid;place-items:center;border:1px solid #e2e8f0;border-radius:10px;background:#fff}.pagination a.active{background:#0284c7;color:#fff;border-color:#0284c7}
.thumb-image,.thumb-video{width:100%;height:100%;display:block;object-fit:cover;background:#111}.thumb-video.preview-error{opacity:.2}

/* V5.2 首页四大内容板块 */
.home-video-section{margin:28px 0 38px}.home-video-section+.home-video-section{padding-top:8px;border-top:1px solid rgba(148,163,184,.18)}.section-more{display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:999px;background:#f1f5f9;color:#334155;font-size:14px;text-decoration:none}.section-more:hover{background:#e2e8f0}.section-video-grid{margin-top:14px}@media(max-width:640px){.home-video-section{margin:22px 0 30px}.home-video-section .section-head{align-items:center}.section-more{min-height:32px;padding:0 11px;font-size:12px}.section-video-grid{margin-top:10px}}

.breadcrumbs{padding:12px 0;color:#64748b;font-size:14px}.breadcrumbs a{color:#0284c7}.footer-links{display:flex;gap:14px;justify-content:center;margin-top:8px}.footer-links a{color:inherit}.legal-page{max-width:900px;margin:32px auto;min-height:260px}

/* V9 Video SEO */
.form{max-width:900px;margin:28px auto;padding:26px;background:#fff;border:1px solid #e2e8f0;border-radius:18px}.form>label{display:block;margin:14px 0 6px;font-weight:650}.form input,.form textarea,.form select{width:100%}.seo-footer{background:#0f172a;color:#cbd5e1;padding:48px max(20px,calc((100% - 1200px)/2)) 24px}.seo-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}.seo-footer h2,.seo-footer h3{color:#fff;margin-top:0}.seo-footer p{line-height:1.9;margin:0}.footer-cloud{display:flex;flex-wrap:wrap;gap:9px}.footer-cloud a,.footer-nav a{color:#cbd5e1}.footer-cloud a:hover,.footer-nav a:hover{color:#7dd3fc}.footer-nav{display:grid;gap:10px}.friend-links{border-top:1px solid #273449;margin-top:30px;padding-top:20px;display:flex;gap:14px;flex-wrap:wrap}.footer-bottom{border-top:1px solid #273449;margin-top:20px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#94a3b8;font-size:13px}.tag-list{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.tag-list a{padding:7px 11px;border-radius:999px;background:#e0f2fe;color:#0369a1;font-size:13px}
@media(max-width:900px){.seo-footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.seo-footer{padding:34px 16px 88px}.seo-footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}

/* V10 Enterprise admin */
.stat-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin:16px 0}.stat-card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:5px}.stat-card b{font-size:26px}.stat-card span{color:#64748b}.stat-card.warn{border-color:#f59e0b}.search-row{display:flex;gap:10px}.search-row input{flex:1}.table-scroll{overflow:auto}.status-pill{display:inline-block;padding:4px 9px;border-radius:999px;font-size:12px}.status-pill.ok{background:#dcfce7;color:#166534}.status-pill.bad{background:#fee2e2;color:#991b1b}@media(max-width:900px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.adminbar{align-items:flex-start}.table{min-width:760px}}

.global-home-ad{width:100%;margin:18px 0;overflow:hidden}.global-home-ad img,.global-home-ad iframe,.global-home-ad video{max-width:100%}.global-home-ad iframe{border:0}