:root{color-scheme:dark;--ink:#dce8e8;--muted:#91a7aa;--accent:#8de0cf;--line:#ffffff18;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:#102329;color:var(--ink);overflow:hidden}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{border:1px solid var(--line);background:transparent;border-radius:6px}button:hover{background:#ffffff0c}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}.topbar{height:86px;padding:0 30px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#102329}.brand{display:flex;align-items:center;gap:15px}.brand-mark{display:grid;place-items:center;width:44px;height:46px;color:var(--accent);font-size:25px;font-weight:500;border:1px solid #8de0cf66;border-radius:3px}h1{font-size:22px;line-height:1.3;letter-spacing:.12em;margin:0;font-weight:600}.brand p{font-size:13px;color:var(--muted);margin:6px 0 0}.brand p span{margin:0 7px;opacity:.5}.header-actions{display:flex;align-items:center;gap:20px}.header-actions button{padding:9px 17px;font-size:14px}.edition{font-size:13px;color:var(--accent);letter-spacing:.12em}main{display:flex;height:calc(100dvh - 86px);min-height:0}.panel{width:252px;flex-shrink:0;padding:28px 23px 22px;border-right:1px solid var(--line);overflow:auto;display:flex;flex-direction:column}.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--muted)}h2{font-size:18px;font-weight:500;margin:8px 0 24px}.view-buttons{display:grid;gap:8px}.view{height:48px;display:flex;align-items:center;gap:15px;text-align:left;padding:0 13px;font-size:15px;border-color:transparent;color:#aebfc1}.view span{font-family:monospace;font-size:12px;color:#71898b}.view.active{background:#8de0cf12;color:var(--accent);border-color:#8de0cf55}.view.active span{color:var(--accent)}.display-settings{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}h3{font-size:14px;font-weight:500;color:var(--muted);margin:0 0 15px}.display-settings label{display:flex;align-items:center;justify-content:space-between;margin:16px 0;font-size:14px;cursor:pointer}input[type=checkbox]{appearance:none;width:30px;height:17px;border-radius:12px;background:#52646a;border:0;position:relative;cursor:pointer;margin:0}input[type=checkbox]:before{content:"";position:absolute;top:3px;left:3px;width:11px;height:11px;background:#c8d5d6;border-radius:50%;transition:transform .15s}input[type=checkbox]:checked{background:#569e90}input[type=checkbox]:checked:before{transform:translateX(13px);background:#effffc}.downloads{margin-top:auto;padding-top:32px;display:grid;gap:13px;font-size:13px}.downloads a{display:flex;justify-content:space-between;color:#bbcfd1}.downloads a:hover{color:var(--accent)}.downloads span{color:var(--accent)}.accuracy{font-size:12px;line-height:1.8;color:#819b9f;margin:23px 0 0}.viewport{flex:1;position:relative;min-width:0;background:radial-gradient(ellipse at 50% 45%,#e4eceb,#b8c9cb)}canvas{display:block;width:100%;height:100%;touch-action:none}.view-caption{position:absolute;top:25px;left:30px;display:flex;align-items:center;gap:11px;color:#213c41;pointer-events:none;font-size:15px}.caption-rule{height:17px;width:3px;background:#487d75}.view-caption small{font-size:12px;color:#5d767a;margin-left:6px}.reset{position:absolute;top:19px;right:23px;padding:9px 12px;color:#345459;border:1px solid #45636640;font-size:13px;background:#e6eeee85;backdrop-filter:blur(8px)}.reset:hover{background:#ffffffbb}.interaction-hint{position:absolute;bottom:19px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:11px;white-space:nowrap;font-size:12px;color:#436267;padding:10px 16px;border:1px solid #ffffff70;background:#e9f0efa8;border-radius:30px;pointer-events:none;backdrop-filter:blur(8px)}.interaction-hint i{height:3px;width:3px;border-radius:100%;background:#819a9f}.touch-hint{display:none}.loading{position:absolute;inset:0;display:grid;place-items:center;background:#d7e3e3e8;backdrop-filter:blur(8px)}.loading-card{width:min(330px,85%);color:#193c42}.loading-title{font-size:23px;letter-spacing:.08em}.loading-card p{font-size:14px;color:#526d73;margin:17px 0}.loading-card small{font-size:12px;color:#658084}.progress{height:3px;background:#193c4220;margin:17px 0}.progress span{display:block;height:100%;width:0;background:#427c72;transition:width .2s}.error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(440px,88%);padding:30px;background:#102329f5;border:1px solid #8de0cf66;border-radius:8px;box-shadow:0 20px 80px #10232966}.error h2{margin:0 0 15px}.error p{line-height:1.8;font-size:14px;color:#b7cacd}.error button{padding:8px 16px;margin-top:8px}[hidden]{display:none!important}
@media(max-width:760px){.topbar{height:72px;padding:0 16px}.brand-mark{width:34px;height:38px;font-size:22px}.brand{gap:10px}h1{font-size:18px}.brand p{font-size:11px}.header-actions{gap:10px}.edition{display:none}.header-actions button{font-size:13px;padding:7px 10px}main{height:calc(100dvh - 72px);flex-direction:column-reverse}.viewport{min-height:200px}.panel{width:100%;padding:12px 14px;max-height:38dvh;display:block;border-right:0;border-top:1px solid var(--line)}.panel-head{display:none}.view-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.view{height:39px;justify-content:center;padding:0 4px;gap:0;font-size:13px}.view span{display:none}.display-settings{display:flex;justify-content:space-between;gap:12px;margin-top:10px;padding:0;border:0}.display-settings h3{display:none}.display-settings label{gap:8px;font-size:12px;margin:9px 0}.downloads{display:flex;justify-content:space-between;padding:10px 0 0;margin:0;font-size:12px;gap:15px}.downloads a{gap:8px}.accuracy{font-size:11px;margin:11px 0 0;line-height:1.6}.view-caption{top:19px;left:16px;font-size:13px}.view-caption small{display:none}.reset{top:12px;right:13px}.interaction-hint{bottom:12px;padding:7px 13px;font-size:11px}.interaction-hint>span:not(.touch-hint),.interaction-hint i{display:none}.touch-hint{display:inline}}
@media(max-height:620px) and (min-width:761px){.panel{padding-top:15px}.panel-head{display:none}.display-settings{margin-top:15px;padding-top:12px}.downloads{padding-top:18px}.accuracy{margin-top:14px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}