:root{--ink:#173c32;--muted:#718078;--paper:#f6f7f2;--line:#dce3da;--green:#d8ef9d;--white:#fff;--orange:#e7b68b;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #86a953;outline-offset:4px}button{border:0}a{color:inherit}button:disabled{opacity:.35;cursor:default}.shell{max-width:1100px;margin:auto;padding:30px 34px 110px}.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:23px;border-bottom:1px solid 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p{font-size:12px;line-height:1.8;min-height:43px;color:var(--muted);margin:0}.card.featured p{color:#bfcdc3}.duration{font-size:49px;font-weight:700;letter-spacing:-3px;line-height:1.2;margin:20px 0 18px}.duration small{font-size:13px;letter-spacing:0;font-weight:400;margin-left:7px}.card-foot{display:flex;justify-content:space-between;align-items:center;font-size:12px;border-top:1px solid #dde4da;padding-top:16px}.featured .card-foot{border-color:#3e5d4b}.arrow{width:33px;height:33px;border-radius:50%;background:var(--green);color:var(--ink);display:grid;place-items:center;font-size:18px}.custom-card{background:#eaf0e2}.note{display:flex;gap:15px;align-items:flex-start;padding:20px 22px;border:1px solid var(--line);border-radius:17px;margin-top:24px;font-size:12px;line-height:1.9;color:var(--muted)}.note strong{color:var(--ink);display:block}.bottom{display:flex;justify-content:space-between;align-items:center;padding:28px 0 0;color:var(--muted);font-size:11px;gap:15px}.link-btn{padding:6px 0;background:transparent;text-decoration:underline;font-size:12px}.btn{border-radius:13px;padding:15px 22px;background:var(--ink);color:white;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:10px}.btn.lime{background:var(--green);color:var(--ink)}.btn.secondary{background:#e8ede3;color:var(--ink)}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}.back{background:transparent;padding:0;font-size:14px}.page-head{display:flex;justify-content:space-between;align-items:center;margin:28px 0 18px}.page-head h1{font-size:29px;margin:10px 0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.preview-art{background:#e8eedf;border-radius:23px;display:grid;place-items:center;min-height:280px}.preview-art svg{width:260px;height:260px}.detail-summary{display:flex;flex-direction:column;justify-content:center}.detail-summary h2{font-size:32px;margin:0 0 8px}.chips{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}.chip{font-size:12px;background:#e7ecdf;border-radius:8px;padding:7px 10px}.list{margin:24px 0;display:grid;gap:9px}.exercise-row{display:flex;align-items:center;gap:13px;background:white;border:1px solid var(--line);border-radius:14px;padding:11px 15px}.thumb{height:49px;width:49px;flex-shrink:0;background:#eef2e8;border-radius:9px}.thumb svg{width:100%;height:100%}.row-info{flex:1;min-width:0}.row-info strong{font-size:14px}.row-info p{font-size:11px;color:var(--muted);margin:5px 0;line-height:1.5}.row-time{color:var(--muted);font-size:12px;white-space:nowrap}.sticky-action{position:sticky;bottom:15px;background:#f6f7f2ed;backdrop-filter:blur(10px);padding:14px 0;display:flex;gap:10px}.sticky-action .btn{flex:1}.editor-title{width:100%;font-size:25px;font-weight:700;padding:15px;border:1px solid var(--line);border-radius:13px;background:white;color:var(--ink)}.settings{display:flex;gap:15px;flex-wrap:wrap;padding:17px 0;font-size:13px;align-items:center}.settings input[type=number],.seconds{width:67px;padding:9px 6px;border:1px solid var(--line);border-radius:8px;background:white;color:var(--ink)}.editor-row{flex-wrap:wrap}.row-buttons{display:flex;gap:4px}.tiny{border-radius:7px;background:#edf0e8;padding:8px;font-size:12px}.library{display:grid;grid-template-columns:1fr 1fr;gap:10px}.library button{text-align:left}.empty{padding:30px;text-align:center;color:var(--muted)}.session{max-width:800px;margin:auto;padding:22px 26px 35px;min-height:100dvh}.session-top{display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:10px}.session-top button{background:transparent;padding:8px}.progress{height:5px;background:#e0e7d9;margin:20px 0 22px;border-radius:4px;overflow:hidden}.progress span{height:100%;display:block;background:#8ba869;transition:width .3s}.session-main{display:grid;grid-template-columns:1fr 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@media(max-width:700px){.shell{padding:22px 20px 45px}.brand{font-size:17px}.top-right{font-size:10px}.hero{padding:30px 0 18px;grid-template-columns:1.5fr 1fr;gap:5px}.hero h1{font-size:32px;letter-spacing:-1px;margin:12px 0}.hero p{font-size:12px}.hero-art{height:160px}.hero-art svg{width:155px;height:160px}.hero-tag{font-size:9px;padding:7px 10px;bottom:2px;right:-3px}.eyebrow{font-size:9px;letter-spacing:1.8px}.switch{display:flex}.switch button{flex:1;padding:11px 10px}.cards{grid-template-columns:1fr;gap:12px}.card{padding:20px 22px}.card h3{margin:9px 0 5px;font-size:20px}.card p{min-height:0;padding-right:70px}.duration{position:absolute;right:23px;top:38px;font-size:45px;margin:0}.duration small{font-size:11px;margin-left:4px}.card .eyebrow{font-size:9px}.card-foot{margin-top:18px;padding-top:11px}.arrow{width:29px;height:29px}.section-title h2{font-size:18px}.detail-grid{grid-template-columns:1fr;gap:18px}.preview-art{min-height:190px}.preview-art svg{height:195px;width:220px}.detail-summary h2{font-size:26px}.detail-summary .chips{margin:12px 0}.page-head h1{font-size:25px}.row-info p{font-size:10px}.exercise-row{gap:10px;padding:10px}.thumb{height:43px;width:43px}.library{grid-template-columns:1fr}.session{padding:18px 20px 30px}.session-main{grid-template-columns:1fr;gap:12px}.session-figure{height:230px}.session-figure svg{height:220px;width:240px}.session-info h1{font-size:23px;margin:3px 0}.timer{font-size:78px;margin:2px 0}.cue{margin:15px 0;font-size:13px;min-height:85px;padding:13px 17px}.progress{margin:16px 0}.controls .btn{padding:15px 10px;font-size:13px}.next-box{padding:18px 0}.bottom{align-items:flex-start}.row-buttons{margin-left:auto}.hero p br{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:700px){.hero{grid-template-columns:minmax(0,1fr) 115px;gap:10px}.hero h1{font-size:27px;letter-spacing:-1px}.hero-art{min-width:0;height:145px}.hero-art svg{width:130px;height:145px}.hero p{font-size:12px}.hero-tag{right:-2px;font-size:8px;padding:6px}.card h3{font-size:18px;padding-right:88px}.card p{padding-right:100px}.duration{font-size:38px;top:53px;right:21px}.duration small{font-size:9px}.card-foot{margin-top:15px}.session-top strong{font-size:12px}}