:root{--ink:#233c37;--muted:#78857d;--green:#386754;--light:#f1f3ec;--sand:#ede5d5;--line:#dedfd3}*{box-sizing:border-box}body{margin:0;background:#f7f6f0;color:var(--ink);font:14px/1.65 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}button,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:white;color:var(--ink);padding:10px 15px;border-radius:7px;transition:.15s}button:hover{border-color:var(--green);background:#edf3ed}button:disabled{cursor:default;opacity:.48}button:focus-visible,a:focus-visible{outline:3px solid #b38247;outline-offset:3px}a{color:inherit;text-decoration:none}header{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4vw}.logo{font-size:27px;font-weight:800;letter-spacing:2px}.logo span{font-size:13px;letter-spacing:1px;font-weight:400}.mode{display:flex;padding:4px;border:1px solid var(--line);border-radius:9px;background:#eaece3;gap:4px}.mode button{border:0;background:transparent;padding:7px 22px}.mode button.active{background:white;box-shadow:0 2px 6px #213b3210}.back{font-size:12px;color:var(--muted)}.intro{display:flex;justify-content:space-between;gap:40px;padding:30px 4vw 23px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--green)}h1{font-size:32px;line-height:1.5;margin:9px 0}h1 span{font-family:Georgia,'Songti SC',serif;font-weight:400}p{margin:8px 0}.intro p{color:var(--muted);font-size:13px}.intro-note{max-width:350px;background:#eeeade;padding:15px 18px;border-radius:6px;align-self:center}.intro-note b{display:block;font-size:12px;margin-bottom:5px}.intro-note span{font-size:11px;color:#777b6d;display:block}.progress-wrap{display:flex;align-items:center;gap:15px;margin:0 4vw 24px;font-size:11px}.progress{height:4px;background:#e4e7dc;flex:1;border-radius:4px;overflow:hidden}.progress i{display:block;height:100%;background:var(--green);transition:width .3s}.progress-wrap button{font-size:11px;padding:6px 10px}main{display:grid;grid-template-columns:225px minmax(340px,1fr) 340px;gap:24px;padding:0 4vw;max-width:1600px;margin:auto}.chapters{border-right:1px solid var(--line);padding-right:19px;max-height:800px;overflow:auto}.side-title{font-size:11px;color:var(--muted);letter-spacing:1px;margin-bottom:14px}.side-title span{font-size:9px;float:right}.chapter{display:flex;width:100%;text-align:left;border:0;background:transparent;font-size:11px;padding:8px 10px;gap:9px;margin:2px 0;align-items:center}.chapter i{font-style:normal;min-width:22px;color:#9b9f94}.chapter.active{background:#e2e9dd;color:#2e5947;font-weight:600}.chapter.done i{color:var(--green)}.phase{font-size:10px;color:#919585;padding:15px 10px 3px}.stage{background:#e9ece2;border:1px solid #dde2d4;border-radius:15px;padding:17px 22px 12px;position:relative;min-height:760px}.scene-bar{display:flex;justify-content:space-between;font-size:10px;color:#71806e;gap:12px;margin-bottom:15px}.scene-bar span:last-child{text-align:right}.phone{width:330px;max-width:100%;background:#f2f2ef;border:7px solid #283c34;border-radius:39px;margin:auto;box-shadow:0 20px 40px #1d3c3420;overflow:hidden;position:relative}.phone-top{height:30px;display:flex;justify-content:space-between;align-items:center;padding:3px 20px;background:#f7f7f3;font-size:9px}.appbar{display:flex;justify-content:space-between;align-items:center;padding:9px 14px;background:#f7f7f3;border-bottom:1px solid #e1e3dc}.appbar strong{font-size:12px}.appbar>span{font-size:19px;line-height:1}.simulation{text-align:center;font-size:8px;letter-spacing:2px;background:#e4e7dd;color:#8a9385;padding:4px}.screen{height:425px;overflow-y:auto;overflow-x:hidden;padding:14px 12px;scrollbar-width:thin;position:relative}.phone-action{padding:12px;background:#f7f7f3;border-top:1px solid #dfe3d9}.phone-action button{width:100%;background:#386754;color:white;border-color:#386754;font-size:12px;padding:11px 5px}.phone-action button:disabled{background:#e1e8dc;color:#4f715a;opacity:1;border-color:#d6dfce}.phone-action span{display:block;text-align:center;font-size:9px;color:#83917c;margin-top:5px;min-height:15px}.home-indicator{width:100px;height:4px;background:#263f34;border-radius:5px;margin:6px auto 9px}.stage-caption{text-align:center;font-size:11px;color:#6b7f6b;margin:13px 0 0;min-height:20px}.coach{display:flex;flex-direction:column;gap:15px}.lesson,.network-card{background:#fffef9;border:1px solid var(--line);border-radius:10px;padding:21px}.lesson h2{font-size:23px;line-height:1.45;margin:10px 0}.goal{font-size:13px;color:#576a5b}.coach-note{border-left:2px solid #c2cfb3;padding-left:12px;margin-top:20px}.coach-note b{font-size:11px}.coach-note p{font-size:12px;color:#75816e}.outcome{font-size:12px;color:#3c6e54;background:#edf3e8;padding:12px;border-radius:6px;margin-top:14px}.outcome:empty{display:none}.quiz{border-top:1px solid var(--line);margin-top:20px;padding-top:15px}.quiz h3{font-size:13px;margin:4px 0 9px}.quiz button{display:block;text-align:left;width:100%;font-size:11px;padding:8px 10px;margin:7px 0}.quiz button.correct{background:#e2f0dc;border-color:#789b62}.quiz button.wrong{background:#fff0e5;border-color:#d2a67b}.feedback{font-size:11px;padding:8px;background:#f5f3e9}.mentor{font-size:11px;color:#7b8c76;margin-top:18px}.network{display:flex;align-items:center;justify-content:space-between;gap:6px;margin:18px 0}.node{text-align:center;opacity:.22}.node.on{opacity:1}.node b{display:grid;place-items:center;border:1px solid #b7c7a9;border-radius:50%;width:40px;height:40px;background:#e8efdf;font-size:13px;margin:0 auto 4px}.node small{font-size:9px}.arrow{font-size:15px;color:#9cad8f}.counts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:13px;text-align:center}.counts b{font-size:22px;display:block}.counts span{font-size:9px;color:#8a9381}.controls{display:flex;align-items:center;justify-content:space-between;margin:24px 4vw 0;border-top:1px solid var(--line);padding:18px 0;background:#f7f6f0;gap:10px}.controls>div{text-align:center;font-size:11px;color:#798673}.controls small{display:block;font-size:10px}.controls .next{background:#386754;color:white;min-width:150px;border-color:#386754}.controls .next:hover{background:#2a5544}footer{font-size:10px;color:#8e9787;text-align:center;padding:5px 4vw 25px}footer span{display:block} .bubble-row{display:flex;align-items:flex-start;gap:7px;margin:13px 0;animation:appear .25s ease}.bubble-row.me{flex-direction:row-reverse}.avatar{width:31px;height:31px;display:grid;place-items:center;border-radius:8px;font-size:12px;flex-shrink:0;background:#ddd9c7;color:#6c705b}.avatar.green{background:#bfd0b5;color:#3a614c}.bubble-wrap{max-width:80%}.sender{font-size:9px;color:#92998d;margin-bottom:3px}.bubble{font-size:11px;background:white;border-radius:0 8px 8px;padding:10px 11px;line-height:1.8}.me .bubble{background:#c8dfb6;border-radius:8px 0 8px 8px}.sys{text-align:center;color:#9a9e94;font-size:9px;margin:15px 7px}.poster{background:#e5e9d8;border:1px solid #d4dcc6;border-radius:7px;padding:19px 16px;text-align:center}.poster small{font-size:8px;letter-spacing:3px;color:#8d967a}.poster h3{font:26px/1.4 Georgia,'Songti SC',serif;margin:8px 0;color:#435944}.poster p{font-size:10px;color:#79816d}.poster .price{font-size:31px;color:#496448;margin:9px}.price small{font-size:9px;letter-spacing:0}.poster .meta{border-top:1px solid #c6ceb7;padding-top:10px;font-size:9px;text-align:left}.yoga-art{height:115px;width:100%;color:#748b60}.mini-card{padding:12px;background:#fffdf5;border-radius:7px;border:1px solid #dedfce;font-size:10px;line-height:1.8}.mini-card b{display:block;color:#506749;margin-bottom:5px}.mini-card .tiny{color:#999d8b;font-size:8px}.share-panel{background:white;border-radius:14px;padding:17px 12px;margin-top:15px;box-shadow:0 -4px 20px #354f3212}.contacts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:15px}.contact{display:block;font-size:10px;text-align:center;background:#f6f7f0;padding:12px 2px;border-radius:7px}.contact i{font-style:normal;display:block;margin:0 auto 5px;font-size:24px}.contact.chosen{border:1px solid #6b915a;background:#ecf4e4}.live-frame{background:#dbe4ce;border-radius:9px;padding:15px;text-align:center;position:relative}.live-frame b{font-size:11px}.live-frame .tag{display:inline-block;background:#eef2e8;color:#688153;font-size:8px;padding:2px 7px;border-radius:4px}.live-frame .yoga-art{height:145px}.live-sub{font-size:9px;color:#718460}.slot{width:100%;padding:12px;text-align:left;margin:8px 0;background:white}.slot.chosen{background:#e7f0df;border-color:#799d61}.ticket{border:1px dashed #a7b698;padding:18px;background:#fffdf5;border-radius:9px;text-align:center}.ticket .stamp{font-size:31px;color:#628659}.ticket h3{font-size:16px}.ticket p{font-size:10px}.receipt-line{display:flex;justify-content:space-between;border-top:1px solid #e1e5d7;padding:9px 0;font-size:10px}.prepare{padding-left:18px;font-size:11px;line-height:2.1}.score{font-size:45px;text-align:center;color:#4e795b;font-weight:700}.score small{font-size:12px}.toast{display:none;position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#2e5040;color:white;border-radius:8px;padding:11px 18px;z-index:20;font-size:12px;max-width:90vw}.welcome{font-size:11px;padding:12px;background:#fefcf3;border:1px solid #dce0ce;border-radius:6px}.branch-dots{display:flex;align-items:center;justify-content:space-around;margin:20px 0}.branch-dots span{width:45px;height:45px;display:grid;place-items:center;border-radius:50%;background:#d6e5c9;color:#4a6842}.screen h4{font-size:12px;margin:12px 0} .badges{display:flex;gap:6px;flex-wrap:wrap}.badges span{font-size:9px;padding:4px 6px;background:#edf1e4;border-radius:4px;color:#7c8b6e}@keyframes appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media(min-width:1500px){.stage{padding-top:23px}.screen{height:465px}main{grid-template-columns:245px minmax(400px,1fr) 370px}}@media(max-width:1120px){main{grid-template-columns:180px minmax(310px,1fr) 285px;gap:14px;padding:0 2vw}.stage{padding:14px 10px}.lesson,.network-card{padding:16px}.intro{padding:24px 2vw}.progress-wrap{margin-left:2vw;margin-right:2vw}.lesson h2{font-size:20px}}@media(max-width:900px){main{grid-template-columns:minmax(300px,1fr) 310px}.chapters{display:none}.intro-note{max-width:270px}.intro h1{font-size:27px}.intro h1 span{display:block}.stage{min-height:730px}.controls{position:sticky;bottom:0;z-index:5;margin-top:15px}.intro{gap:20px}}@media(max-width:650px){header{padding:0 16px;height:66px}.logo{font-size:23px}.logo span{font-size:10px}.mode button{font-size:11px;padding:6px 10px}.back{display:none}.intro{display:block;padding:22px 18px 16px}.intro h1{font-size:25px}.intro h1 span{display:inline}.intro p{font-size:11px}.intro-note{max-width:none;margin-top:13px;padding:10px 13px}.intro-note span{font-size:9px}.progress-wrap{margin:0 18px 16px;gap:7px;flex-wrap:wrap}.progress{min-width:80px}.progress-wrap button{font-size:10px;padding:5px 8px}main{grid-template-columns:1fr;padding:0 14px;gap:14px}.stage{padding:14px 12px;min-height:0}.scene-bar{font-size:9px}.screen{height:390px}.phone{width:330px;border-width:6px}.stage-caption{font-size:10px}.coach{gap:12px}.lesson h2{font-size:22px}.coach-note{margin-top:12px}.network-card{order:2}.controls{margin:14px 0 0;padding:12px 14px;border-top:1px solid #d1d9c9;box-shadow:0 -5px 16px #2f533010}.controls button{font-size:11px;padding:10px}.controls .next{min-width:120px}.controls>div{max-width:95px;font-size:9px}.controls small{font-size:8px}footer{padding:12px 18px 20px}.phone-action button{min-height:44px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
/* Keep the demonstration controls available during projected training. */
@media(min-width:901px){header{height:66px}.intro{padding-top:22px;padding-bottom:17px}h1{font-size:29px}.stage{min-height:620px}.screen{height:330px}.chapters{max-height:620px}.controls{position:sticky;bottom:0;z-index:8;box-shadow:0 -8px 20px #f7f6f0}}