:root{--ink:#17221d;--muted:#6d7971;--line:#dfe5df;--paper:#f5f7f2;--card:#fff;--accent:#e85d3f;--green:#2f7d61;--soft:#e9f0e8;--shadow:0 12px 34px rgba(26,42,33,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer;border:0}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,72px);border-bottom:1px solid var(--line);background:rgba(245,247,242,.92);backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:.02em}.brand-mark{display:grid;place-items:center;width:31px;height:31px;background:var(--ink);color:#fff;font-size:16px;border-radius:9px}.top-nav{display:flex;gap:28px;font-size:14px;color:var(--muted)}.top-nav a{padding:26px 0;position:relative}.top-nav a.active{color:var(--ink);font-weight:700}.top-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--accent);border-radius:3px}.nav-count{font-size:11px;color:var(--accent);margin-left:3px}.icon-button{width:38px;height:38px;border-radius:50%;background:transparent;color:var(--muted);font-size:21px}.view{max-width:1200px;margin:auto;padding:46px clamp(20px,5vw,72px) 80px}.hero{display:flex;justify-content:space-between;align-items:flex-end;margin:8px 0 42px}.eyebrow{margin:0 0 9px;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.hero h1,.page-heading h1{font-size:clamp(35px,5vw,62px);line-height:1.08;letter-spacing:-.04em;margin:0}.hero h1 em{color:var(--accent);font-style:normal}.hero-copy,.page-heading>p:last-child{color:var(--muted);margin:17px 0 0;font-size:16px}.hero-stat{display:flex;flex-direction:column;align-items:flex-end;color:var(--muted);font-size:13px}.hero-stat strong{font-size:48px;line-height:1;color:var(--ink);letter-spacing:-.05em}.toolbar{display:flex;gap:12px;margin-bottom:18px}.search-box{height:50px;display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 16px;flex:1;max-width:600px}.search-box span{font-size:25px;color:var(--muted);line-height:1}.search-box input{border:0;outline:0;width:100%;background:transparent;color:var(--ink);font-size:15px}.filter-toggle{background:var(--ink);color:#fff;padding:0 19px;border-radius:11px;font-size:14px}.filter-toggle span{margin-left:7px;color:#aab8ae}.filters{background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px;margin-bottom:30px;display:grid;gap:18px}.filter-group{display:flex;align-items:flex-start;gap:18px}.filter-group>span{font-size:12px;color:var(--muted);width:40px;padding-top:8px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{background:var(--paper);border:1px solid var(--line);color:var(--muted);padding:7px 12px;border-radius:8px;font-size:12px}.chip.selected{background:var(--ink);border-color:var(--ink);color:#fff}.switch-row{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}.switch-row input{position:absolute;opacity:0}.switch{width:34px;height:20px;border-radius:99px;background:#cbd4cc;position:relative}.switch:after{content:"";width:16px;height:16px;background:#fff;border-radius:50%;position:absolute;left:2px;top:2px;transition:.18s}.switch-row input:checked+.switch{background:var(--green)}.switch-row input:checked+.switch:after{left:16px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:17px}.section-heading h2{font-size:24px;margin:0;letter-spacing:-.03em}.result-count{font-size:13px;color:var(--muted)}.exercise-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}.exercise-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;position:relative;transition:transform .18s,box-shadow .18s}.exercise-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.media-button{display:block;width:100%;aspect-ratio:1;background:#edf1ec;position:relative;overflow:hidden}.media-button img{width:100%;height:100%;object-fit:contain;image-rendering:auto}.media-fallback{display:grid;place-items:center;height:100%;color:#a8b5aa;font-size:34px}.favorite-button{position:absolute;right:10px;top:10px;background:rgba(255,255,255,.92);width:32px;height:32px;border-radius:50%;font-size:18px;color:#819087;z-index:1}.favorite-button.saved{color:var(--accent)}.card-content{padding:14px 14px 16px}.card-content h3{font-size:15px;margin:0 0 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-meta{display:flex;gap:6px;flex-wrap:wrap}.tag{background:var(--soft);color:var(--green);font-size:11px;padding:4px 7px;border-radius:5px}.empty-state{text-align:center;padding:72px 20px;color:var(--muted)}.empty-state>span{font-size:44px;color:#a3b1a5}.empty-state h3{color:var(--ink);margin:15px 0 7px}.empty-state p{margin:0 0 18px;font-size:14px}.empty-state button,.empty-state a{display:inline-block;color:#fff;background:var(--ink);border-radius:8px;padding:10px 17px;font-size:13px}.page-heading{max-width:640px;margin:8px 0 44px}.page-heading h1{font-size:46px}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.about-grid article,.copyright{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.about-icon{font-size:25px;color:var(--accent)}.about-grid h3{margin:22px 0 8px}.about-grid p,.copyright p{color:var(--muted);line-height:1.7;font-size:14px;margin:0}.copyright{margin-top:16px}.copyright strong{font-size:15px}.copyright p{margin-top:8px}.copyright .attribution{color:var(--ink);font-weight:700}.detail-head{display:flex;gap:35px;align-items:flex-start}.back-link{color:var(--muted);font-size:14px;margin-bottom:26px;display:inline-block}.detail-media{width:min(48%,480px);background:#edf1ec;border-radius:16px;overflow:hidden;aspect-ratio:1;position:relative}.detail-media img{width:100%;height:100%;object-fit:contain}.detail-copy{flex:1;padding-top:7px}.detail-copy h1{font-size:clamp(32px,4vw,52px);margin:0 0 9px;letter-spacing:-.04em}.english{color:var(--muted);margin:0 0 18px}.detail-tags{display:flex;gap:7px;flex-wrap:wrap}.detail-actions{display:flex;gap:10px;margin-top:28px}.primary,.secondary{padding:12px 18px;border-radius:9px;font-size:14px}.primary{background:var(--ink);color:#fff}.secondary{background:var(--soft);color:var(--green)}.detail-section{margin-top:45px;border-top:1px solid var(--line);padding-top:27px}.detail-section h2{font-size:21px;margin:0 0 17px}.step-list{display:grid;gap:10px}.step{display:flex;gap:14px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:10px}.step-num{color:var(--accent);font-weight:800}.detail-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.info-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:19px}.info-panel h3{font-size:14px;margin:0 0 10px}.info-panel p,.info-panel li{font-size:14px;line-height:1.65;color:var(--muted)}.info-panel ul{margin:0;padding-left:18px}.attribution-line{margin-top:30px;color:var(--muted);font-size:12px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;background:var(--ink);color:#fff;padding:11px 16px;border-radius:9px;font-size:13px;transition:.22s;pointer-events:none;z-index:30}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:850px){.exercise-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.detail-head{flex-direction:column}.detail-media{width:100%;max-width:460px}.about-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.topbar{height:62px;padding:0 17px}.top-nav{gap:15px;font-size:12px}.top-nav a{padding:22px 0}.icon-button{display:none}.install-button{font-size:11px;padding:7px 8px}.view{padding:31px 17px 55px}.hero{margin-bottom:28px}.hero-stat strong{font-size:34px}.hero-stat{font-size:11px}.hero-copy{font-size:14px;max-width:255px;line-height:1.5}.toolbar{position:sticky;top:62px;z-index:5;background:var(--paper);padding:8px 0}.search-box{height:46px}.filter-toggle{padding:0 14px}.filters{margin-top:0}.filter-group{display:block}.filter-group>span{display:block;margin-bottom:8px}.exercise-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.card-content{padding:11px}.card-content h3{font-size:14px}.page-heading h1{font-size:38px}.about-grid,.detail-columns{grid-template-columns:1fr}.detail-copy h1{font-size:35px}.detail-section{margin-top:31px}.detail-actions{margin-top:21px}.primary,.secondary{flex:1}.copyright{padding:19px}}
.install-button{background:var(--soft);color:var(--green);border-radius:8px;padding:8px 10px;font-size:12px;font-weight:700;margin-left:auto;margin-right:8px}.subheading{margin-top:20px!important}.cue-list{display:flex;flex-wrap:wrap;gap:8px;padding:0!important;list-style:none}.cue-list li{background:var(--soft);color:var(--green);border-radius:6px;padding:6px 9px;font-size:13px}.not-goal{background:#fff5ee;border-left:3px solid var(--accent);padding:11px 12px;margin-top:18px;color:var(--ink)!important}.research-note{background:#f8faf7;padding-bottom:28px}.research-note details{margin-top:14px}.research-note summary{cursor:pointer;color:var(--green);font-weight:700;font-size:14px}.research-note details ul{margin-top:12px}.research-note details li{margin-bottom:8px;color:var(--muted);font-size:13px;line-height:1.55}