@charset "UTF-8";
:root{--ink:#192923;--muted:#77817b;--line:#e4e9e5;--paper:#fff;--wash:#f4f7f4;--accent:#27634a;--accent-soft:#e8f1e8;--radius:1.125rem;--mono:ui-monospace,"SFMono-Regular",Consolas,monospace;--sans:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:var(--text-base);line-height:1.65;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:disabled{cursor:wait;opacity:.55}button:active,.btn:active{transform:translateY(0.0625rem)}:focus-visible{outline:0.1875rem solid var(--accent);outline-offset:0.25rem}button{border:0;background:none}img,svg{max-width:100%}svg.icon{width:1.1875rem;height:1.1875rem;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.container{width:min(77.5rem,calc(100% - 6rem));margin:auto}.logo{display:inline-flex;gap:0.6875rem;align-items:center;font-weight:650;font-size:var(--text-lg);letter-spacing:-0.0375rem;white-space:nowrap}.logo-mark{width:1.8125rem;height:1.8125rem;position:relative;display:inline-block;flex-shrink:0}.logo-mark:before,.logo-mark:after{content:"";position:absolute;width:1rem;height:1.375rem;border:0.125rem solid currentColor;border-radius:0.3125rem;transform:rotate(34deg);top:0.1875rem;left:0.125rem}.logo-mark:after{left:0.75rem;transform:rotate(-34deg)}.logo small{font-family:var(--mono);font-size:var(--text-xs);letter-spacing:0.10625rem;font-weight:400;display:block;line-height:1.1;margin-top:0.25rem}.site-header{height:5.75rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}.nav{display:flex;gap:1.875rem;align-items:center;font-size:var(--text-sm)}.nav a{color:var(--muted);transition:color .2s}.nav a:hover,.nav a.active{color:var(--ink)}.header-actions{display:flex;align-items:center;gap:1.25rem;font-size:var(--text-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.75rem;padding:0.8125rem 1.4375rem;border-radius:0.5rem;font-size:var(--text-sm);font-weight:550;line-height:1.5;border:0.0625rem solid var(--line);transition:background .2s,transform .2s;white-space:nowrap}.btn.primary{background:var(--accent);border-color:var(--accent);color:white}.btn.secondary{background:var(--paper)}.btn.small{padding:0.5625rem 1rem;font-size:var(--text-xs)}.btn:hover{filter:brightness(.96)}.text-link{display:inline-flex;gap:0.75rem;align-items:center;font-size:var(--text-sm)}.eyebrow{font-family:var(--mono);font-size:var(--text-xs);letter-spacing:0.1125rem;text-transform:uppercase}.muted{color:var(--muted)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:1.5rem;margin-bottom:1.75rem}.section-head h2{font-size:var(--text-heading);letter-spacing:-0.0625rem;font-weight:550;margin:0.4375rem 0}.section-head p{color:var(--muted);margin:0}.divider{border-top:0.0625rem solid var(--line)}.chips{display:flex;gap:0.5rem;flex-wrap:wrap}.chip{font-size:var(--text-xs);padding:0.4375rem 0.9375rem;border:0.0625rem solid var(--line);border-radius:0.4375rem;color:var(--muted)}.chip:hover{background:var(--wash)}.chip.active{background:var(--accent);border-color:var(--accent);color:white}.model-icon{width:2.1875rem;height:2.1875rem;display:grid;place-items:center;background:var(--wash);border:0.0625rem solid var(--line);border-radius:0.625rem;color:var(--accent);font-size:var(--text-lg);font-family:var(--mono);font-weight:600}.model-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0.9375rem}.model-card{padding:1.375rem;border:0.0625rem solid var(--line);border-radius:0.75rem;background:var(--paper);display:flex;flex-direction:column;min-height:13.75rem;transition:transform .2s,border-color .2s}.model-card:hover{transform:translateY(-0.1875rem);border-color:var(--accent)}.model-card .card-top{display:flex;justify-content:space-between;align-items:center}.model-card h3{font-size:var(--text-lg);font-weight:600;letter-spacing:-0.01875rem;margin:1.1875rem 0 0.3125rem}.model-card p{font-size:var(--text-xs);color:var(--muted);margin:0 0 1.4375rem;flex:1}.card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:0.0625rem solid var(--line);padding-top:0.8125rem;font-size:var(--text-xs);color:var(--muted)}.card-bottom a,.card-bottom button{font-size:var(--text-xs);color:var(--ink)}.tag{display:inline-block;font-size:var(--text-xs);padding:0.1875rem 0.5rem;background:var(--wash);border-radius:0.25rem;color:var(--muted)}.brand-strip{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;color:var(--muted);font-family:var(--mono);font-size:var(--text-lg);letter-spacing:-0.03125rem;flex-wrap:wrap}.brand-strip small{font-family:var(--sans);font-size:var(--text-xs);letter-spacing:0;max-width:7.5rem}.footer{margin-top:5.5rem;padding:1.75rem 0 6.25rem;border-top:0.0625rem solid var(--line);display:flex;justify-content:space-between;gap:1.5rem;color:var(--muted);font-size:var(--text-xs)}.prototype-bar{position:fixed;bottom:1.1875rem;left:50%;transform:translateX(-50%);z-index:40;display:flex;align-items:center;gap:0.25rem;padding:0.3125rem;background:#fcfdfbf2;border:0.0625rem solid #d8dfd9;border-radius:0.75rem;box-shadow:0 0.375rem 1.875rem #16291c16;backdrop-filter:blur(0.875rem);color:#4c5951;font-size:var(--text-xs);max-width:calc(100% - 1.5rem);white-space:nowrap}.prototype-bar span{padding:0 0.625rem;color:#8b958e;font-size:var(--text-xs)}.prototype-bar a{padding:0.5rem 0.8125rem;border-radius:0.4375rem}.prototype-bar a.selected{background:#263e32;color:white}.prototype-bar a:hover{background:#edf0ec;color:#263e32}.prototype-bar a.selected:hover{background:#263e32;color:white}.toast{position:fixed;top:1.5rem;left:50%;transform:translate(-50%,-0.75rem);background:#21392d;color:#fff;padding:0.75rem 1.375rem;border-radius:0.625rem;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:calc(100% - 2rem);text-align:center;font-size:var(--text-xs)}.toast.show{opacity:1;transform:translate(-50%,0)}dialog{background:var(--paper);color:var(--ink);border:0.0625rem solid var(--line);border-radius:1.25rem;width:min(32.5rem,calc(100% - 2rem));padding:1.875rem;box-shadow:0 1.5625rem 7.5rem #15231b33}dialog::backdrop{background:#14281e55;backdrop-filter:blur(0.3125rem)}.dialog-header{display:flex;justify-content:space-between;align-items:center}.dialog-header h2{font-size:var(--text-title);margin:0;letter-spacing:-0.03125rem}.dialog-close{font-size:var(--text-title);line-height:1;padding:0.375rem 0.625rem}.dialog-body p{color:var(--muted);font-size:var(--text-sm)}.dialog-body pre{background:var(--wash);padding:1.125rem;border:0.0625rem solid var(--line);border-radius:0.625rem;overflow:auto;font-size:var(--text-xs);line-height:1.9}.dialog-body label{display:block;font-size:var(--text-xs);margin:1.5rem 0 0.5rem}.dialog-body input{width:100%;padding:0.75rem;border:0.0625rem solid var(--line);border-radius:0.5rem;background:var(--paper);color:var(--ink)}.dialog-body .btn{width:100%;margin-top:1.125rem}.dialog-body .helper{font-size:var(--text-xs)}.form-error{color:#b34938!important;min-height:1.25rem}.empty{text-align:center;color:var(--muted);padding:4rem 1rem;grid-column:1/-1}.visually-hidden{position:absolute;width:0.0625rem;height:0.0625rem;padding:0;margin:-0.0625rem;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[hidden]{display:none!important}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(max-width:62.5rem){.container{width:calc(100% - 3rem)}.nav{gap:1.125rem}.model-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-actions{gap:0.75rem}.site-header{height:4.875rem}.logo{font-size:var(--text-base)}.logo small{font-size:var(--text-xs)}.nav a:nth-child(n+4){display:none}}
@media(max-width:40rem){.container{width:calc(100% - 2.25rem)}.site-header{height:4.75rem;gap:0.75rem}.nav{display:none}.header-actions>button:not(.btn){display:none}.btn{padding:0.75rem 1.125rem}.model-grid{grid-template-columns:1fr}.section-head{align-items:start;gap:0.75rem;flex-direction:column}.section-head h2{font-size:var(--text-title)}.section-head p{font-size:var(--text-xs)}.section-head>.text-link{font-size:var(--text-xs);white-space:nowrap;margin-top:0}.brand-strip{justify-content:start;gap:1.375rem;font-size:var(--text-base)}.brand-strip small{flex-basis:100%;max-width:none}.footer{flex-direction:column;gap:0.5rem;margin-top:3.125rem;font-size:var(--text-xs)}.prototype-bar{bottom:0.625rem;gap:0;padding:0.25rem}.prototype-bar span{display:none}.prototype-bar a{padding:0.5625rem 0.8125rem}.logo small{letter-spacing:0.08125rem}.dialog-body pre{font-size:var(--text-xs)}}