:root{color-scheme:light;--bg:#f3f5f7;--panel:#fff;--text:#30363c;--muted:#6c757d;--line:#edf0f3;--accent:#0d6efd;--tint:#edf5ff;--shadow:0 3px 12px #202c3c04;--header:#ffffffed}html[data-theme=dark]{color-scheme:dark;--bg:#212529;--panel:#343a40;--text:#dee2e6;--muted:#aab2bb;--line:#454c54;--accent:#76afff;--tint:#2c4058;--shadow:0 3px 12px #00000012;--header:#2b3035f2}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,select,textarea{font:inherit}button,a,input,summary,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.wrap{max-width:1200px;margin:auto;padding:0 24px}header{position:sticky;top:0;z-index:5;background:var(--header);border-bottom:1px solid var(--line);backdrop-filter:blur(15px)}nav{height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;font:italic 30px Georgia,serif;white-space:nowrap}.brand .moon{font-size:45px;color:var(--accent);line-height:1;margin-right:7px}.brand small{font:12px system-ui;color:var(--muted);margin:8px 0 0 9px}.navlinks{display:flex;gap:25px;margin-left:auto;font-size:14px}.icon{background:none;border:0;color:var(--accent);font-size:23px;padding:7px}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:#0d6efd;color:#fff;border:1px solid transparent;border-radius:7px;padding:11px 22px;font-weight:600;font-size:14px;transition:background .15s,transform .15s}.button:hover{background:#0758d2;color:#fff;transform:translateY(-1px)}.button.secondary{background:var(--tint);color:var(--accent)}.button.small{padding:8px 15px}.crumb{padding:22px 0;color:var(--muted);font-size:13px;display:flex;gap:12px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:20px}.panel{background:var(--panel);border-radius:20px;padding:30px;margin-bottom:20px;box-shadow:var(--shadow)}.hero{position:relative;overflow:hidden;padding:43px 38px 0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--accent)}h1{font-size:39px;line-height:1.4;letter-spacing:-1px;margin:15px 0 16px;position:relative;z-index:1}h2{font-size:22px;margin:7px 0 14px;line-height:1.4}h3{font-size:16px;margin:12px 0 6px}p{margin:10px 0 18px}.hero>p{color:var(--muted);max-width:440px;position:relative;z-index:1}.actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;position:relative;z-index:1}.hero-foot{border-top:1px solid var(--line);display:flex;gap:28px;padding:20px 0;margin-top:33px;font-size:12px;color:var(--muted);position:relative;z-index:1}.hero-foot span:before{content:'✓';color:var(--accent);margin-right:6px}.hero-mark{position:absolute;right:25px;top:30px;font-size:150px;font-weight:800;letter-spacing:-13px;color:var(--accent);opacity:.07;line-height:1.5;transform:rotate(-9deg);pointer-events:none}.hero-mark span{display:block;font-size:11px;letter-spacing:4px;margin-top:-20px}.section-top{display:flex;align-items:center;justify-content:space-between}.tag{font-size:11px;padding:3px 10px;border-radius:20px;background:var(--tint);color:var(--accent)}.muted{color:var(--muted);font-size:13px}.tools{display:flex;flex-direction:column;gap:16px;margin:24px 0}.filters{display:flex;flex-wrap:wrap;gap:7px}.filters button{border:0;border-radius:6px;padding:7px 12px;background:var(--bg);color:var(--muted);font-size:12px}.filters 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0}.footer-links{display:flex;gap:22px}[hidden]{display:none!important}@media(min-width:1400px){.wrap{max-width:1250px}.layout{grid-template-columns:minmax(0,1fr) 300px}}@media(max-width:960px){.navlinks{gap:16px}.navlinks a:last-child{display:none}.layout{grid-template-columns:1fr 240px}.panel{padding:24px}.hero{padding:32px 26px 0}h1{font-size:32px}.model-grid{grid-template-columns:1fr}.hero-foot{gap:14px;flex-wrap:wrap}.model-bottom small{display:inline}}@media(max-width:720px){.wrap{padding:0 16px}nav{height:65px;gap:12px}.brand{font-size:25px}.brand .moon{font-size:35px}.navlinks{display:none}.icon{margin-left:auto}.button.small{font-size:11px;padding:8px 10px}.layout{display:block}.crumb{padding:16px 0}.hero{padding:30px 24px 0}h1{font-size:32px}.hero>p{font-size:13px}.hero-mark{right:10px;top:65px;font-size:125px}.hero-foot{font-size:10px;gap:15px}.panel{border-radius:20px;padding:24px}.hero{padding-bottom:0}.model-grid{grid-template-columns:1fr 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/* Keep the desktop guide beside the current reading position. */
@media(min-width:721px){aside{position:sticky;top:96px;align-self:start;max-height:calc(100dvh - 112px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent;overscroll-behavior:contain}aside .panel:last-child{margin-bottom:0}}
/* Main-site identity: paired logo artwork and the Puock light sweep. */
.brand{gap:10px}.logo-art{display:block;position:relative;overflow:hidden;padding:7px 0;width:152px;line-height:0}.logo-art img{width:100%;height:45px;object-fit:contain}.logo-dark{display:none}html[data-theme=dark] .logo-dark{display:block}html[data-theme=dark] .logo-light{display:none}.logo-art:before{content:"";position:absolute;z-index:1;width:180px;height:8px;background:#ffffff66;transform:rotate(-45deg);animation:logo-loop-light 4s ease-in infinite;pointer-events:none}@keyframes logo-loop-light{0%,79%{opacity:0}80%{opacity:1;left:-60px;top:0}100%{opacity:1;left:160px;top:0}}.site-footer{max-width:none;border-top:0;text-align:center;padding:24px 0 30px!important;margin-top:20px!important;color:#109657;font-size:13px}.site-footer .copyright{line-height:1.9}.site-footer .footer-nav{height:auto;display:flex;justify-content:center;flex-wrap:wrap;gap:5px;font-size:12px;margin-top:5px}.site-footer a:hover{color:var(--accent)}.site-footer .footer-note{color:var(--muted);font-size:11px;margin:12px 0 0}.site-footer .footer-nav a{white-space:nowrap}@media(max-width:720px){.logo-art{width:117px}.logo-art img{height:36px}.brand{gap:3px}.brand small{font-size:10px;margin-left:3px}.site-footer{padding-left:14px!important;padding-right:14px!important}.site-footer .copyright{font-size:11px}}@media(prefers-reduced-motion:reduce){.logo-art:before{animation:none}}
.channel-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0 16px}.channel-tabs button{padding:14px 8px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);font-weight:600}.channel-tabs small{display:block;font-size:11px;font-weight:400;margin-top:3px;color:var(--muted)}.channel-tabs button.active{border-color:var(--accent);background:var(--tint);color:var(--accent)}.channel-info{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px;background:var(--bg);border-radius:10px}.channel-info h3{margin:0}.channel-info p{font-size:12px;color:var(--muted);margin:6px 0}.channel-info .button{white-space:nowrap}.model h3{overflow-wrap:anywhere}.model-bottom .unit-price{font-size:21px}.request-models{margin:20px 0 8px}@media(max-width:720px){.channel-info{align-items:flex-start;flex-direction:column}.channel-tabs{gap:6px}.channel-tabs button{font-size:13px}.model-bottom .unit-price{font-size:17px}}
.application-offer{margin:18px 0;padding:15px 18px;border-radius:10px;background:var(--tint);color:var(--accent)}.application-offer strong{font-size:14px}.application-offer p{margin:5px 0 0;font-size:12px}.consent{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:12px;line-height:1.8;margin:18px 0}.consent input{margin-top:5px;flex-shrink:0;accent-color:var(--accent)}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}button:disabled{opacity:.6;cursor:wait}