:root{--bg:#f6f5f1;--surface:#fff;--ink:#222f39;--muted:#76818a;--line:#dfe3e4;--accent:#316b69;--soft:#e6eeea;--cover:#c6d4cf;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}header,main,footer{max-width:1180px;margin:auto}header{height:108px;display:flex;align-items:center;justify-content:space-between;padding:0 34px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:13px;align-items:center;font-size:21px;font-weight:650;letter-spacing:2px}.logo{width:43px;height:43px;border-radius:14px;background:var(--ink);color:var(--bg);display:grid;place-items:center;font-family:serif}.brand-sub{display:block;font-size:10px;font-weight:400;letter-spacing:3px;color:var(--muted)}.icon-button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:50%;width:38px;height:38px;font-size:23px}main{min-height:75vh;padding:0 34px 54px}.intro{padding:76px 0 60px}.eyebrow{font-size:10px;letter-spacing:3px;font-weight:700;color:var(--accent)}h1{font-size:clamp(36px,5.2vw,62px);line-height:1.23;letter-spacing:-2px;margin:23px 0}h1 span{color:var(--accent)}.intro p{color:var(--muted);line-height:1.9}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:21px;margin-bottom:30px}.tabs{display:flex;gap:8px}.tab{border:0;background:transparent;color:var(--muted);padding:9px 13px;border-radius:7px}.tab.active{background:var(--soft);color:var(--accent);font-weight:600}.tab small{margin-left:9px}.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:9px;padding:6px 12px;background:var(--surface)}.search>span{font-size:23px;color:var(--muted)}input{border:0;outline:0;background:transparent;color:var(--ink);width:160px;font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}.card{display:block;border-radius:14px;border:1px solid var(--line);background:var(--surface);overflow:hidden;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:0 13px 25px #213a3610}.cover{aspect-ratio:16/10;background:linear-gradient(145deg,#dce7e0,#a4bbb2);position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#33564c}.cover:before,.cover:after{content:"";position:absolute;width:85%;height:90%;border:1px solid #ffffff60;border-radius:50%;transform:rotate(-30deg)}.cover:after{transform:rotate(30deg);width:64%;height:110%}.cover-art{font-size:72px;line-height:1.3;font-weight:200}.cover-title{font-family:serif;letter-spacing:7px;font-size:20px;z-index:1}.cover-label{position:absolute;top:14px;left:16px;font-size:9px;letter-spacing:2px}.duration{position:absolute;bottom:12px;right:12px;background:#19362eb0;color:white;padding:2px 7px;border-radius:4px;font-size:11px}.placeholder{position:absolute;bottom:13px;left:15px;font-size:10px;color:#33564cb0}.card-body{padding:20px}.card-category{font-size:10px;letter-spacing:2px;color:var(--accent)}.card h2{font-size:17px;line-height:1.65;margin:9px 0 16px}.card-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.note{font-size:11px;color:var(--muted);margin-top:32px}.back{display:inline-block;font-size:13px;margin:34px 0;color:var(--muted)}.detail-grid{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(240px,1fr);gap:38px}.player-wrap{position:relative;aspect-ratio:16/9;background:#152521;border-radius:13px;overflow:hidden}video{width:100%;height:100%;display:block;background:#101916}.player-cover{position:absolute;inset:0;background:linear-gradient(125deg,#dbe5dc,#9db6a8);display:flex;flex-direction:column;justify-content:center;align-items:center;color:#274b3b;pointer-events:none}.player-cover small{font-size:10px;opacity:.6}.player-cover .eyebrow{color:#33564c}.player-cover p{font-size:13px;margin:5px}.player-cover[hidden]{display:none}.player-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);padding:16px 0}.primary,.share-button{background:var(--accent);color:white;border:0;padding:9px 18px;border-radius:8px}.lines{border-top:1px solid var(--line);padding-top:22px}.lines h3{font-size:15px;margin:0}.muted{color:var(--muted);font-size:13px}.line{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:9px;margin-top:10px;padding:13px 16px;width:100%;text-align:left;font-size:12px}.line small{color:var(--muted);font-size:10px}.line.active{border-color:var(--accent)}aside h2{font-size:26px;line-height:1.5;margin:17px 0}dl{padding:15px 0;border-block:1px solid var(--line);margin:26px 0}dt{color:var(--muted)}dt,dd{font-size:12px;display:inline-block;width:48%;padding:5px 0;margin:0}.share-button{width:100%;background:var(--ink);color:var(--bg)}.privacy{font-size:11px;color:var(--muted);margin-top:20px}.error{font-size:12px;color:#ac503c;background:#ac503c12;padding:12px;border-radius:8px}footer{border-top:1px solid var(--line);padding:26px 34px;display:flex;justify-content:space-between;color:var(--muted);font-size:10px;letter-spacing:1px}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 20px;border-radius:30px;font-size:12px}body.dark{--bg:#151e1c;--surface:#1c2925;--ink:#e2eae4;--muted:#92a69a;--line:#31403a;--accent:#9ac2aa;--soft:#2a3d32;color-scheme:dark}body.dark .primary{color:#193023}@media(prefers-color-scheme:dark){body:not(.light):not(.dark){--bg:#151e1c;--surface:#1c2925;--ink:#e2eae4;--muted:#92a69a;--line:#31403a;--accent:#9ac2aa;--soft:#2a3d32;color-scheme:dark}}@media(max-width:760px){header{height:86px;padding:0 22px}main{padding:0 22px 40px}.intro{padding:45px 0 35px}h1{letter-spacing:-1px}.toolbar{align-items:flex-start;flex-direction:column;gap:16px}.search{width:100%}.search input{width:100%}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.detail-grid{grid-template-columns:1fr;gap:30px}aside h2{font-size:23px}.line{align-items:flex-start;flex-direction:column;gap:3px}footer{padding:22px;gap:12px}.card-body{padding:15px}.card h2{font-size:15px}}@media(max-width:480px){.grid{grid-template-columns:1fr}.intro p{font-size:13px}.cover{aspect-ratio:16/9}.intro .eyebrow{font-size:9px}.brand{font-size:19px}.brand-sub{font-size:9px}.card-body{padding:20px}.card h2{font-size:17px}}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}