/* finesse · register=product · scope=teacher-section · existing Yuechang palette and type · CSS feedback only */
#teaching.ts-section{--ts-paper:#fffdf8;--ts-sunk:#f3eddf;--ts-line:#796c5521;--ts-muted:#796c55;--ts-ink:#1c1813;padding-block:48px 36px}
#teaching .ts-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:48px;margin-bottom:32px}
#teaching .ts-heading .eyebrow{margin-bottom:18px}
#teaching .ts-heading h2{font:400 clamp(28px,3.1vw,38px)/1.5 var(--title);letter-spacing:-.025em;overflow-wrap:anywhere;min-width:0}
#teaching .ts-people{padding-inline:44px 28px;text-align:center}
#teaching .ts-portrait-grid{display:grid;grid-template-columns:repeat(3,68px);gap:12px 18px}
#teaching .ts-portrait{display:block;width:68px;height:68px;border-radius:50%;background-image:url('assets/teacher-avatar-sprite.png');background-size:300% 200%;background-repeat:no-repeat}
#teaching .ts-portrait-1{background-position:0 0}#teaching .ts-portrait-2{background-position:50% 0}#teaching .ts-portrait-3{background-position:100% 0}#teaching .ts-portrait-4{background-position:0 100%}#teaching .ts-portrait-5{background-position:50% 100%}#teaching .ts-portrait-6{background-position:100% 100%}
#teaching .ts-portrait-note{display:block;margin-top:12px;font-size:10px;color:var(--ts-muted)}
#teaching .ts-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0 0 24px;border-bottom:1px solid var(--ts-line)}
#teaching .ts-steps button{position:relative;display:grid;grid-template-columns:24px minmax(0,1fr);gap:8px 10px;text-align:left;border:0;border-radius:9px 9px 0 0;padding:20px 12px 22px;background:transparent;color:var(--ts-ink);cursor:pointer;min-width:0;transition:background .18s,color .18s;font-family:var(--body)}
#teaching .ts-step-no{font-size:12px;font-weight:400;color:var(--ts-muted);align-self:center;font-variant-numeric:tabular-nums}
#teaching .ts-step-title{font-size:17px;font-weight:500;line-height:1.5;white-space:nowrap}
#teaching .ts-step-note{grid-column:2;font-size:11px;font-weight:400;line-height:1.7;color:var(--ts-muted)}
#teaching .ts-steps button[aria-selected=true]{color:var(--red);background:#f5350c05}
#teaching .ts-steps button[aria-selected=true] .ts-step-no{color:var(--red)}
#teaching .ts-steps button[aria-selected=true]:after{content:'';position:absolute;left:12px;right:12px;bottom:-1px;height:3px;background:var(--red);border-radius:3px}
#teaching .ts-stage{border-radius:18px;background:var(--ts-sunk);overflow:hidden;min-width:0}
#teaching .ts-panel{min-width:0;min-height:520px}
#teaching .ts-panel[hidden]{display:none}
#teaching .ts-home{padding:28px 32px}
#teaching .ts-identity{display:flex;align-items:center;gap:14px;min-width:0;margin-bottom:24px}
#teaching .ts-identity>img{width:56px;height:56px;border-radius:50%;object-fit:cover;flex:none}
#teaching .ts-name-line{display:flex;align-items:center;gap:12px}
#teaching .ts-name-line h3{font:500 21px/1.4 var(--body);margin:0}
#teaching .ts-name-line>span{font-size:11px;color:var(--ts-muted)}
#teaching .ts-identity p{font-size:11px;color:var(--ts-muted);margin:6px 0 0}
#teaching .ts-home-label{margin-left:auto;font-size:12px;color:var(--ts-muted)}
#teaching .ts-home-body{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);gap:30px;align-items:start}
#teaching .ts-subhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
#teaching .ts-subhead h4{font-size:15px;font-weight:500;margin:0}
#teaching .ts-subhead>span{font-size:11px;color:var(--ts-muted)}
#teaching .ts-video-cover{position:relative;aspect-ratio:16/9;margin:0;border-radius:12px;overflow:hidden;background:#2b251c}
#teaching .ts-video-cover>img{width:100%;height:100%;display:block;object-fit:cover}
#teaching .ts-video-cover:after{content:'';position:absolute;inset:50% 0 0;background:linear-gradient(transparent,#160f08c7);pointer-events:none}
#teaching .ts-video-cover figcaption{position:absolute;z-index:1;left:20px;right:20px;bottom:16px;color:#fffdf8;display:grid;gap:5px}
#teaching .ts-video-cover figcaption>span{font-size:17px;font-weight:500}
#teaching .ts-video-cover figcaption>small{font-size:10px;color:#eee2d0}
#teaching .ts-user-cover:after{display:none}
#teaching .ts-user-cover figcaption{left:10px;right:auto;bottom:10px;padding:4px 7px;border-radius:4px;background:#1c1813ba}
#teaching .ts-home-links{padding-top:34px;min-width:0}
#teaching .ts-home-entry{width:100%;display:flex;align-items:center;gap:12px;min-height:76px;padding:14px 16px;margin:0 0 12px;background:var(--ts-paper);border:0;border-radius:12px;text-align:left;color:var(--ts-ink);cursor:pointer;font-family:var(--body)}
#teaching .ts-entry-icon{position:relative;display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:12px;background:#f4ecda}
#teaching .ts-entry-icon svg{height:22px;width:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
#teaching .ts-calendar:after{content:'';display:block;position:absolute;inset:9px;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cg fill='none' stroke='black' stroke-width='1.65' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='5' y='7' width='22' height='21' rx='4'/%3E%3Cpath d='M10 4v6m12-6v6M5 14h22m-16 6h2m6 0h2m-10 4h2'/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat}
#teaching .ts-home-entry strong{display:block;font-size:14px;font-weight:400;line-height:1.5}
#teaching .ts-home-entry small{display:block;font-size:11px;color:var(--ts-muted);margin-top:4px}
#teaching .ts-chevron{margin-left:auto;font-size:22px;color:var(--ts-muted);font-weight:400}
#teaching .ts-renew{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;padding:10px 16px;border:1px solid #b9a78780;border-radius:9px;background:transparent;color:var(--ts-ink);font:400 13px/1.5 var(--body);cursor:pointer}
#teaching .ts-manage{display:block;background:none;border:0;margin:10px auto 0;min-height:32px;color:var(--ts-muted);font:400 11px/1.5 var(--body);cursor:pointer}
#teaching .ts-home-status{min-height:0;font-size:11px;line-height:1.7;color:var(--ts-muted);margin:0}
#teaching .ts-home-status:not(:empty){margin:8px 0}
#teaching .ts-next-link{border:0;background:none;display:flex;gap:10px;align-items:center;padding:0;min-height:44px;color:var(--red);font:400 12px/1.5 var(--body);cursor:pointer;margin-top:4px}
#teaching .ts-find{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.5fr);gap:60px;padding:38px;align-items:center;min-height:520px}
#teaching .ts-teacher-card{background:#e7dcc6;border-radius:14px;min-height:370px;padding:28px;display:flex;flex-direction:column;align-items:center;text-align:center}
#teaching .ts-card-label{font-size:12px;color:var(--ts-muted);margin-bottom:32px}
#teaching .ts-teacher-card>img{width:88px;height:88px;object-fit:cover;border-radius:50%}
#teaching .ts-teacher-card h3{font:500 24px/1.5 var(--body);margin:17px 0 6px}
#teaching .ts-teacher-card p{font-size:12px;color:var(--ts-muted)}
#teaching .ts-card-foot{font-size:12px;margin-top:auto;padding-top:32px;color:var(--ts-muted)}
#teaching .ts-find-main{min-width:0;max-width:560px}
#teaching .ts-find-heading h3{font:500 24px/1.4 var(--body);margin:0 0 10px}
#teaching .ts-find-heading p{font-size:13px;color:var(--ts-muted);line-height:1.7}
#teaching .ts-find-form{margin-top:24px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}
#teaching .ts-find-form label{font-size:12px;color:var(--ts-muted);font-weight:400;min-width:0}
#teaching .ts-find-form input{display:block;width:100%;min-height:48px;border:1px solid #d8cbb6;border-radius:9px;padding:11px 13px;margin-top:7px;font:400 14px/1.5 var(--body);color:var(--ts-ink);background:var(--ts-paper);box-sizing:border-box;min-width:0}
#teaching .ts-find-actions{grid-column:1/-1;display:flex;gap:20px;align-items:center}
#teaching .ts-primary{border:0;border-radius:9px;min-height:44px;padding:10px 24px;background:var(--red);color:#fffdf8;font:400 14px/1.5 var(--body);cursor:pointer;white-space:nowrap}
#teaching .ts-text-button{background:none;border:0;min-height:44px;padding:0;color:var(--ts-muted);font:400 12px/1.5 var(--body);cursor:pointer}
#teaching .ts-match{display:flex;align-items:center;gap:12px;margin-top:22px;padding:14px;background:var(--ts-paper);border-radius:10px}
#teaching .ts-match[hidden]{display:none}
#teaching .ts-match>img{width:42px;height:42px;object-fit:cover;border-radius:50%}
#teaching .ts-match>div>span{font-size:10px;color:var(--ts-muted)}
#teaching .ts-match strong{display:block;font-size:14px;font-weight:500;margin-top:4px}
#teaching .ts-match small{font-size:10px;color:var(--ts-muted);font-weight:400;margin-left:8px}
#teaching .ts-match button{margin-left:auto;min-height:44px;border:0;background:none;color:var(--red);font:400 11px/1.5 var(--body);cursor:pointer}
#teaching .ts-search-status{font-size:11px;line-height:1.7;color:var(--ts-muted);margin-top:16px}
#teaching .ts-search-status.is-error{color:var(--red)}
#teaching .ts-demo-note{font-size:10px;line-height:1.6;color:var(--ts-muted);margin-top:12px}
#teaching button:focus-visible,#teaching input:focus-visible{outline:2px solid var(--red);outline-offset:3px}
#teaching button:active{filter:brightness(.94)}
@media(hover:hover){#teaching .ts-steps button:hover{background:#796c5508}#teaching .ts-home-entry:hover{background:#faf6ed}}
@media(max-width:1000px){#teaching .ts-steps{gap:6px}#teaching .ts-step-title{font-size:15px}#teaching .ts-step-note{font-size:10px}#teaching .ts-steps button{gap:6px;grid-template-columns:21px minmax(0,1fr);padding-inline:8px}#teaching .ts-home-body{gap:20px;grid-template-columns:minmax(0,1.6fr) minmax(230px,1fr)}#teaching .ts-find{gap:32px;padding:28px}}
@media(max-width:760px){#teaching.ts-section{padding-block:32px}#teaching .ts-heading{gap:20px;margin-bottom:24px}#teaching .ts-heading h2{font-size:28px}#teaching .ts-people{padding:0}#teaching .ts-portrait-grid{grid-template-columns:repeat(3,46px);gap:8px}#teaching .ts-portrait{width:46px;height:46px}#teaching .ts-home{padding:24px}#teaching .ts-home-body{grid-template-columns:minmax(0,1fr)}#teaching .ts-home-links{padding-top:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}#teaching .ts-home-entry{margin:0}#teaching .ts-home-status,#teaching .ts-next-link{grid-column:1/-1}#teaching .ts-manage{margin:0}#teaching .ts-panel{min-height:0}#teaching .ts-find{min-height:0;grid-template-columns:minmax(180px,.7fr) minmax(0,1.2fr);gap:24px}#teaching .ts-find-form{grid-template-columns:minmax(0,1fr);gap:14px}#teaching .ts-teacher-card{padding:22px;min-height:340px}#teaching .ts-match{flex-wrap:wrap}#teaching .ts-match button{margin-left:54px}#teaching .ts-find-heading h3{font-size:21px}}
@media(max-width:600px){#teaching .ts-heading{display:block}#teaching .ts-heading .eyebrow{font-size:11px;margin-bottom:14px}#teaching .ts-heading h2{font-size:26px}#teaching .ts-people{margin-top:22px;text-align:left}#teaching .ts-portrait-grid{display:flex;gap:10px}#teaching .ts-portrait{width:44px;height:44px;flex:none}#teaching .ts-portrait-note{font-size:9px;margin-top:7px}#teaching .ts-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;border:0;margin-bottom:16px}#teaching .ts-steps button{background:#796c5507;border-radius:9px;padding:14px 12px;grid-template-columns:20px minmax(0,1fr);gap:5px;min-height:54px}#teaching .ts-step-title{font-size:13px}#teaching .ts-step-no{font-size:10px}#teaching .ts-step-note{display:none}#teaching .ts-steps button[aria-selected=true]{background:#f5350c0a}#teaching .ts-steps button[aria-selected=true]:after{left:12px;right:12px;height:2px;bottom:0}#teaching .ts-stage{border-radius:14px}#teaching .ts-home{padding:20px 16px}#teaching .ts-identity{gap:11px;margin-bottom:22px}#teaching .ts-identity>img{width:46px;height:46px}#teaching .ts-name-line h3{font-size:18px}#teaching .ts-name-line{gap:8px}#teaching .ts-name-line>span{font-size:9px}#teaching .ts-identity p{font-size:10px}#teaching .ts-home-label{font-size:10px}#teaching .ts-home-body{gap:18px}#teaching .ts-home-links{display:flex;flex-direction:column;gap:10px}#teaching .ts-subhead{margin-bottom:10px}#teaching .ts-video-cover figcaption{left:14px;bottom:12px}#teaching .ts-video-cover figcaption>span{font-size:13px}#teaching .ts-video-cover figcaption>small{font-size:9px}#teaching .ts-home-entry{min-height:72px;padding:12px 14px}#teaching .ts-entry-icon{width:40px;height:40px}#teaching .ts-home-entry strong{font-size:14px}#teaching .ts-renew{margin-top:3px}#teaching .ts-home-status{font-size:11px}#teaching .ts-next-link{margin-top:0}#teaching .ts-manage{min-height:36px}#teaching .ts-find{display:block;padding:20px 16px}#teaching .ts-teacher-card{display:grid;grid-template-columns:48px minmax(0,1fr);align-items:center;gap:4px 12px;min-height:0;text-align:left;padding:16px;margin-bottom:22px}#teaching .ts-card-label{display:none}#teaching .ts-teacher-card>img{width:48px;height:48px;grid-row:1/3}#teaching .ts-teacher-card h3{font-size:18px;margin:0}#teaching .ts-teacher-card p{font-size:11px;margin:0}#teaching .ts-card-foot{display:none}#teaching .ts-find-heading p{font-size:12px;margin-top:8px}#teaching .ts-find-form{margin-top:20px}#teaching .ts-match{padding:12px}#teaching .ts-demo-note{font-size:9px}}
@media(max-width:350px){#teaching .ts-portrait-grid{gap:8px}#teaching .ts-portrait{width:39px;height:39px}#teaching .ts-step-title{font-size:12px}#teaching .ts-steps button{padding-inline:9px;gap:3px}#teaching .ts-heading h2{font-size:24px}}
@media(min-width:601px) and (max-width:760px){#teaching .ts-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:761px){#teaching .ts-stage{min-height:542px}}
@media(prefers-reduced-motion:reduce){#teaching .ts-steps button{transition:none}}