:root{--text: #1f2937;--muted: #6b7280;--line: #e5e7eb;--panel: #ffffff;--bg: #f3f4f6;--purple: #7c3aed;--pink: #ec4899;--btn: #8b5cf6;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;touch-action:manipulation}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}@media (max-width: 480px){.container{width:min(1180px,calc(100% - 20px))}}.top-notice{background:linear-gradient(90deg,var(--purple),var(--pink));color:#fff;text-align:center;font-size:12px;padding:8px 16px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;padding-left:max(0px,env(safe-area-inset-left));padding-right:max(0px,env(safe-area-inset-right))}.nav-row{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:1}.brand-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--purple),var(--pink));font-size:15px;font-weight:700}.brand strong{display:block;font-size:20px}.brand p{margin:2px 0 0;font-size:12px;color:var(--muted)}.main-nav{display:flex;align-items:center;gap:26px;-webkit-overflow-scrolling:touch}.main-nav a{font-size:14px;color:#374151;flex-shrink:0}.main-nav a.active,.main-nav a:hover{color:var(--purple);font-weight:700}.nav-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.search-form{min-width:min(280px,42vw);height:40px;border-radius:8px;background:#f9fafb;border:1px solid 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18px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.mini-btn,.primary-btn{color:#fff;background:linear-gradient(135deg,var(--purple),var(--pink))}.secondary-btn{color:#7c3aed;background:#fff;border:1px solid rgba(124,58,237,.35)}.hero-banner{background:linear-gradient(90deg,#7c3aed,#d946ef 45%,#ef4444);color:#fff;padding:70px 0}.hero-inner{text-align:center}.hero-inner h1{margin:0 0 18px;font-size:clamp(34px,5vw,58px);line-height:1.1}.hero-inner p{margin:0;font-size:18px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-actions.center{justify-content:center}.hero-banner .secondary-btn{color:#fff;border-color:#fff9;background:transparent}.content-shell{background:#efefef;padding:34px 0 44px}.home-sections,.detail-layout{display:grid;gap:28px}.page-panel,.home-section-block,.channel-panel{background:transparent}.section-title h1,.section-title h2{margin:0;font-size:20px;color:#111827}.section-title p{margin:10px 0 0;color:var(--muted);font-size:14px}.center-title{text-align:center;margin-bottom:26px}.left-title{margin-bottom:18px}.small-gap{margin-bottom:16px}.card-grid{display:grid;gap:20px}.card-grid.three-col{grid-template-columns:repeat(3,minmax(0,1fr))}.compact-grid{gap:16px}.video-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 2px 10px #0f172a08}.video-card.compact h3{font-size:16px}.video-thumb{position:relative;aspect-ratio:16 / 10;overflow:hidden;background:#ddd;display:block}.video-thumb img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;transition:transform .25s ease}.video-card:hover .video-thumb img{transform:scale(1.04)}.tag-left,.tag-time{position:absolute;top:10px;height:22px;padding:0 8px;border-radius:4px;display:inline-flex;align-items:center;font-size:11px;color:#fff;font-weight:700}.tag-left{left:10px;background:#ef4444}.tag-time{top:auto;bottom:10px;right:10px;background:#111827cc}.video-body{padding:14px}.video-body h3{margin:0 0 8px;font-size:18px}.video-body p{margin:0;color:var(--muted);font-size:13px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:12px;color:#6b7280;font-size:12px}.category-row-tabs{display:grid;gap:20px}.channel-panel{background:#fff;border-radius:14px;border:1px solid var(--line);padding:18px}.channel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.channel-head h3{margin:0;font-size:18px}.channel-head a{color:var(--purple);font-size:14px}.page-head-panel{padding:24px;background:#fff;border:1px solid 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220px));touch-action:manipulation}.video-frame--play{-webkit-touch-callout:none}.video-el{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;-o-object-fit:contain;object-fit:contain;background:#000;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}@supports not (aspect-ratio: 16 / 9){.video-frame{height:0;padding-bottom:56.25%}.video-el{position:absolute;left:0;top:0}}.play-info-section{margin-top:20px;padding:18px 20px;border-radius:12px;background:#fafafa;border:1px solid var(--line)}.play-info-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.play-info-title{margin:0;font-size:18px;font-weight:700;color:#111827}.play-info-tags{margin-bottom:0}.play-info-desc{margin:14px 0 0;color:var(--muted);font-size:14px;line-height:1.85}.play-info-grid{margin-top:16px}.side-list{display:grid;gap:12px}.side-item{display:grid;grid-template-columns:96px 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var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;padding-bottom:max(0px,env(safe-area-inset-bottom))}.search-empty{margin:0;padding:8px 0;color:var(--muted);font-size:15px;text-align:center}.auth-page{min-height:52vh;display:grid;place-items:center;padding:40px 16px 56px}.auth-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 26px 26px;box-shadow:0 4px 24px #0f172a0f}.auth-card h1{margin:0 0 8px;font-size:22px;color:#111827}.auth-card>p:first-of-type{margin:0 0 22px;color:var(--muted);font-size:14px;line-height:1.7}.auth-field{margin-bottom:16px}.auth-field label{display:block;margin-bottom:6px;font-size:13px;color:#4b5563;font-weight:600}.auth-field input{width:100%;height:42px;border:1px solid var(--line);border-radius:8px;padding:0 12px;font-size:14px;background:#fff}.auth-field input:focus{outline:none;border-color:#7c3aed73;box-shadow:0 0 0 3px #7c3aed1f}.auth-submit{width:100%;margin-top:4px;border:none;cursor:pointer}.auth-err{margin:0 0 12px;font-size:13px;color:#dc2626}.auth-switch{margin:20px 0 0;text-align:center;font-size:14px;color:var(--muted)}.auth-switch a{color:var(--purple);font-weight:700}@media (max-width: 1100px){.card-grid.three-col{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 1080px){.nav-row,.footer-grid{flex-wrap:wrap;grid-template-columns:1fr}.main-nav{width:100%}.nav-tools{width:100%;flex-wrap:wrap}.search-form{min-width:0;flex:1}.play-layout,.detail-panel{grid-template-columns:1fr}}@media (max-width: 720px){.nav-row{flex-direction:column;align-items:stretch;gap:10px;min-height:auto;padding:8px 0 10px}.brand{flex:none}.brand strong{font-size:clamp(16px,4.5vw,20px)}.main-nav{width:100%;overflow-x:auto;flex-wrap:nowrap;justify-content:flex-start;gap:16px;padding:6px 2px 10px;margin:0 -2px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}.main-nav::-webkit-scrollbar{height:4px}.main-nav::-webkit-scrollbar-thumb{background:#7c3aed59;border-radius:4px}.nav-tools{flex-direction:column;align-items:stretch;gap:10px}.search-form{width:100%;min-height:44px}.search-form button{min-width:64px}.nav-user{justify-content:space-between;width:100%}.mini-btn,.plain-link.nav-logout{min-height:44px;align-items:center;display:inline-flex}.container{width:min(100% - 24px,1180px)}.content-shell{padding:22px 0 32px}.page-panel,.page-head-panel{padding:16px}.hero-banner{padding:40px 0 44px}.hero-inner h1{font-size:clamp(26px,7vw,40px)}.hero-inner p{font-size:15px;line-height:1.75}.hero-actions.center{flex-direction:column;align-items:stretch}.hero-actions .primary-btn,.hero-actions .secondary-btn{width:100%;min-height:46px;justify-content:center}.detail-info h1,.player-head-simple h1{font-size:clamp(22px,6vw,28px);line-height:1.25}.player-head-simple{flex-direction:column;align-items:stretch;gap:12px}.player-head-simple .secondary-btn{width:100%;min-height:44px;justify-content:center}.video-frame{border-radius:10px;max-height:min(56.25vw,calc(100vh - 160px));max-height:min(56.25vw,calc(100dvh - 160px));max-height:min(56.25vw,calc(100svh - 160px))}main.play-route{padding-bottom:max(24px,env(safe-area-inset-bottom))}.play-info-section{padding:14px 16px}.detail-tags span{font-size:12px;height:auto;min-height:32px}.footer-bottom{flex-direction:column;justify-content:center;text-align:center;padding:12px 0}}@media (max-width: 560px){.card-grid.three-col,.compact-grid.card-grid.three-col{grid-template-columns:1fr}}