@charset "UTF-8";
:root{--paper:#f5f3ed;--ink:#1c322d;--muted:#65736c;--line:#d8ddd3;--green:#193e37;--lime:#d4eb95;--white:#fffefa;--amber:#ac7631;--red:#a84234;--radius:18px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #729f65;outline-offset:4px}button:disabled{opacity:.42;cursor:not-allowed}[hidden]{display:none!important}.site-head{height:94px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;margin:0 auto;max-width:1280px;padding:0 46px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:23px;font-weight:650;letter-spacing:2px}.brand-mark{font-size:32px;font-weight:400}.brand-en{font-size:10px;font-weight:500;letter-spacing:1.8px;border-left:1px solid var(--line);padding-left:15px;margin-left:5px}.beta{font-size:11px;border:1px solid #b9c5b3;border-radius:20px;padding:7px 12px;letter-spacing:1px}.shell{max-width:1188px;margin:auto;padding:70px 46px 0;display:grid;grid-template-columns:1fr 1fr;gap:54px 70px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--muted);margin:0 0 22px}.intro h1{font-size:clamp(42px,5vw,66px);line-height:1.2;letter-spacing:-2px;font-weight:550;margin:0 0 26px}.lede{font-size:16px;line-height:1.9;color:var(--muted);margin:0 0 30px}.actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.button{border:1px solid transparent;border-radius:10px;min-height:48px;padding:13px 20px;display:inline-flex;align-items:center;justify-content:center;gap:20px;font-size:14px;font-weight:550;transition:background .15s,transform .15s}.button:not(:disabled):active{transform:translateY(1px)}.primary{background:var(--green);color:#fff}.primary:hover:not(:disabled){background:#295447}.outline{background:transparent;border-color:#a7b6a6;color:var(--ink)}.outline:hover{background:#e9ede2}.text-button{background:none;border:0;padding:9px 0;color:var(--green);font-size:13px;text-decoration:underline;text-underline-offset:5px}.text-button.small{font-size:12px;margin-right:18px}.quiet{font-size:12px;line-height:1.8;color:var(--muted)}#preflight-note{min-height:23px;margin:14px 0 21px}.scope{display:flex;gap:9px;max-width:370px;align-items:flex-start}.scope p{font-size:11px;color:var(--muted);line-height:1.7;margin:0}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#8fa68e;flex:0 0 7px;margin-top:5px}.amber{background:#be9149}.good{background:#94bf6e}.bad{background:#d27865}.illustration{min-width:0}.scene{height:430px;position:relative;overflow:hidden;background:#d9ddd0;border-radius:3px}.scene-light{position:absolute;left:10%;top:-50%;width:120%;height:180%;background:linear-gradient(105deg,transparent 35%,#f8f6e9a0 36%,#f8f6e940 64%,transparent 65%);transform:rotate(-3deg)}.window-drawing{position:absolute;top:60px;left:23%;width:54%;height:260px;background:#f1f0e8;border:11px solid #e5e5d9;box-shadow:8px 9px 20px #34433220;display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:0}.pane{background:linear-gradient(145deg,#adc2b5 0%,#c2d2c3 45%,#dce3cf 100%);border:1px solid #9dad9b}.pane:after{content:"";display:block;width:35%;height:100%;background:#fff2;transform:skew(-12deg);margin-left:25%}.corner{position:absolute;width:21px;height:21px;border-radius:50%;background:var(--green);color:#fff;border:2px solid var(--lime);font:10px/17px ui-monospace,monospace;text-align:center;z-index:2}.c1{top:-16px;left:-16px}.c2{top:-16px;right:-16px}.c3{bottom:-16px;right:-16px}.c4{bottom:-16px;left:-16px}.measure-x{position:absolute;top:33px;width:54%;left:23%;display:flex;align-items:center;justify-content:space-between;font-size:14px;color:#365847}.measure-x span{font-size:11px;padding:0 8px}.measure-y{position:absolute;top:175px;right:11%;font-size:11px;color:#365847;writing-mode:vertical-rl;letter-spacing:4px}.scene-sill{position:absolute;top:322px;left:20%;width:61%;height:12px;background:#f1efe1;box-shadow:0 13px 20px #3443321a}.scene-caption{position:absolute;bottom:32px;left:0;width:100%;text-align:center;font-size:10px;letter-spacing:3px;color:#506450}.figure-caption{font-size:10px;letter-spacing:1px;color:var(--muted);text-align:right;margin-top:10px}.steps{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;border-top:1px solid var(--line);padding-top:28px}.step-num{font:11px ui-monospace,monospace;color:#7a8c79}.steps h2{font-size:16px;font-weight:550;margin:14px 0 10px}.steps p{font-size:12px;color:var(--muted);line-height:1.8;max-width:250px}.testing{grid-column:1/-1;border-top:1px solid var(--line);padding-top:36px;display:flex;align-items:center;justify-content:space-between;gap:28px}.testing .eyebrow{margin-bottom:12px;font-size:10px}.testing h2{font-size:26px;letter-spacing:-.5px;font-weight:550;margin:0 0 12px}.testing p:not(.eyebrow){font-size:12px;color:var(--muted);max-width:460px;line-height:1.8}.testing .button{flex-shrink:0}footer{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);font-size:10px;color:var(--muted);padding:20px 0 30px;line-height:1.6}.micro{font-size:10px;color:var(--muted);line-height:1.8}.round-button,.close-dialog{background:#ffffffe8;border:1px solid #ffffff30;border-radius:50%;width:40px;height:40px;font-size:25px;line-height:1;color:var(--ink)}#camera-stage{position:fixed;inset:0;background:#14241f;z-index:10;width:100%;height:100dvh;overflow:hidden}#camera,#overlay{position:absolute;inset:0;width:100%;height:100%;touch-action:none}#overlay{z-index:2}#camera{background:#14241f}.camera-top{position:absolute;top:max(16px,env(safe-area-inset-top));left:18px;right:18px;display:flex;align-items:center;justify-content:space-between;z-index:5;color:#fff;font-size:13px;font-weight:550;letter-spacing:1px}.camera-top .round-button{width:36px;height:36px;background:#172a2380;color:#fff;border-color:#ffffff50}#camera-hint{position:absolute;top:calc(max(16px,env(safe-area-inset-top)) + 60px);left:50%;transform:translateX(-50%);display:flex;gap:9px;align-items:flex-start;width:max-content;max-width:calc(100% - 36px);background:#14251fd9;color:#fff;padding:11px 15px;border-radius:9px;font-size:12px;z-index:5;line-height:1.6}#camera-hint .status-dot{margin-top:6px}#coaching{position:absolute;inset:25% 20px 180px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;z-index:3;pointer-events:none;text-shadow:0 2px 10px #000}#coaching h2{font-size:24px;font-weight:500;margin:12px 0}#coaching p{font-size:13px;line-height:1.8;margin:0}#coaching .micro{font-size:11px;color:#e2e9db;margin-top:14px}.phone-motion{font-size:70px;color:var(--lime);animation:phone 2s ease-in-out infinite;line-height:1}@keyframes phone{0%,100%{transform:scale(.8)}50%{transform:scale(1.1)}}.camera-bottom{position:absolute;bottom:0;left:0;right:0;padding:42px 18px max(18px,env(safe-area-inset-bottom));background:linear-gradient(transparent,#13251ff0 28%);z-index:5;color:#fff}.camera-controls{display:flex;gap:8px;justify-content:center}.camera-controls .button{font-size:12px;padding:12px;gap:6px;min-height:44px}.camera-controls .primary{background:var(--lime);color:#1d3529}.camera-secondary{background:#ffffff16;color:#fff;border-color:#ffffff40}#point-progress{display:flex;justify-content:center;gap:8px}#point-progress span{font-size:10px;color:#ffffffa0;border-bottom:2px solid #ffffff35;padding:7px 5px}#point-progress span.active{color:var(--lime);border-color:var(--lime)}#point-progress span.done{color:#fff;border-color:#91b994}#point-help{font-size:12px;text-align:center;line-height:1.6;margin:12px auto 16px}#camera-error{font-size:12px;line-height:1.6;color:#ffd6b0;text-align:center;margin:10px auto 0;max-width:600px}#camera-error:empty{display:none}.demo-banner{position:absolute;left:18px;right:18px;top:calc(max(16px,env(safe-area-inset-top)) + 105px);text-align:center;color:#f5e2aa;background:#3b331bcf;padding:8px;border-radius:6px;font-size:10px;z-index:5}#demo-room{position:absolute;inset:0;background:linear-gradient(110deg,#a9b8a6,#d9ddcc 70%)}.demo-window{position:absolute;left:15%;right:15%;top:30%;height:35%;border:10px solid #e7e8dc;display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#e7e8dc;box-shadow:6px 10px 22px #273d3925}.demo-window i{background:linear-gradient(135deg,#9bb5ab,#cdddc7)}dialog{background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:20px;padding:26px;width:min(480px,calc(100vw - 28px));max-height:calc(100dvh - 36px);overflow:auto;box-shadow:0 20px 100px #001c2129}dialog::backdrop{background:#102a2599;backdrop-filter:blur(3px)}.wide-dialog{width:min(700px,calc(100vw - 28px))}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.dialog-heading .eyebrow{font-size:10px;margin:0}.close-dialog{background:#e8ede1;width:30px;height:30px;font-size:21px;border:0}dialog h2{font-size:27px;font-weight:550;margin:20px 0 24px}dialog p{font-size:13px;line-height:1.85}dialog .quiet{font-size:12px}.dimensions{display:flex;align-items:center;justify-content:center;gap:24px;padding:30px 8px;background:#eaf0e2;border-radius:12px}.dimensions>div{display:flex;flex-direction:column;text-align:center;gap:10px;min-width:100px}.dimensions span{font-size:12px;color:var(--muted)}.dimensions strong{font:500 43px ui-monospace,SFMono-Regular,monospace;letter-spacing:-2px}.dimensions small{font-size:10px;color:var(--muted)}.dimension-times{font-size:24px!important;color:#82937b!important}.result-warning{color:var(--muted);font-size:11px;line-height:1.7}.dialog-actions{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 5px}.dialog-actions .button{flex:1;font-size:12px;white-space:nowrap}.model-label,label{display:block;font-size:12px;color:var(--muted)}input{width:100%;min-height:44px;border:1px solid var(--line);border-radius:7px;background:#fffefa;color:var(--ink);padding:10px 12px;margin:8px 0 14px;font-size:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.form-grid label:last-child{grid-column:1/-1;max-width:200px}details{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}summary{cursor:pointer;font-size:12px;line-height:1.8}.device-summary{font-size:12px;line-height:1.7;margin:16px 0;color:var(--muted);word-break:break-word}.check-row{display:flex;justify-content:space-between;gap:18px;padding:11px 0;border-bottom:1px solid #e5e9df;font-size:12px;line-height:1.6}.check-row span:last-child{max-width:64%;text-align:right;color:var(--muted)}.check-row.pass span:last-child{color:#366d3a}.check-row.fail span:last-child{color:var(--red)}.check-row.pending span:last-child{color:#966c32}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;margin:14px 0;font-size:11px;line-height:1.7;text-align:left}th{color:var(--muted);font-weight:500}td,th{padding:10px 9px;border-bottom:1px solid var(--line);min-width:150px}pre{background:#edf0e7;border-radius:8px;padding:12px;overflow:auto;max-height:230px;font:10px/1.8 ui-monospace,monospace;white-space:pre-wrap;word-break:break-word}.history-item{padding:12px 0;border-bottom:1px solid var(--line);font-size:11px;line-height:1.8}.history-item strong{font-weight:550}#toast{position:fixed;z-index:100;bottom:max(28px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:calc(100vw - 32px);width:max-content;background:var(--green);color:#fff;border-radius:10px;padding:13px 18px;font-size:12px;box-shadow:0 8px 24px #0002;line-height:1.6}body.measuring{overflow:hidden}
@media(max-width:760px){.site-head{height:74px;padding:0 23px}.brand{font-size:20px;gap:8px}.brand-en{display:none}.beta{font-size:10px;padding:5px 9px}.shell{padding:40px 23px 0;grid-template-columns:1fr;gap:34px}.intro h1{font-size:46px;margin-bottom:20px}.eyebrow{font-size:11px;margin-bottom:20px}.lede{font-size:14px;line-height:1.8;margin-bottom:25px}.actions{gap:18px}.actions .button{padding:14px 19px;font-size:13px;gap:20px}.actions .text-button{font-size:12px}.scope{max-width:100%}.scope p{font-size:10px}.illustration{grid-row:2}.scene{height:300px}.window-drawing{top:40px;height:190px;width:50%;left:25%;border-width:9px;gap:5px}.measure-x{top:16px;left:25%;width:50%}.measure-y{top:120px;right:14%}.scene-sill{top:232px;left:22%;width:56%;height:9px}.scene-caption{bottom:20px;font-size:9px;letter-spacing:2px}.figure-caption{font-size:9px}.steps{gap:18px;padding-top:24px}.steps h2{font-size:14px;margin:12px 0 8px}.steps p{font-size:11px;margin-bottom:0}.testing{display:block;padding-top:28px}.testing h2{font-size:24px}.testing .button{width:100%;margin-top:12px;justify-content:space-between;font-size:13px}.testing p:not(.eyebrow){font-size:11px}footer{font-size:9px;padding-bottom:22px;gap:6px}.dimensions{gap:12px}.dimensions strong{font-size:37px}.dimensions>div{min-width:90px}dialog{padding:22px}.camera-bottom{padding-left:14px;padding-right:14px}.camera-controls .button{flex:1}#point-progress{gap:5px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
@media(prefers-color-scheme:dark){:root{--paper:#172620;--ink:#e0e9db;--muted:#a7b7a3;--line:#394c3e;--green:#345b48;--white:#203127}.outline{border-color:#71816b}.outline:hover{background:#304534}.dimensions{background:#2c4232}input{background:#17291e}.close-dialog{background:#394c36;color:#e0e9db}.check-row{border-color:#394c3e}.check-row.pass span:last-child{color:#adce88}.check-row.fail span:last-child{color:#eda797}.check-row.pending span:last-child{color:#e1bd83}pre{background:#16251c}.text-button{color:#c7dcb7}}