:root{--bg: #f4f6f8;--surface: #ffffff;--surface-2: #eef2f6;--text: #0f1720;--muted: #5b6876;--border: #dbe2ea;--accent: #1f6feb;--accent-text: #ffffff;--ok: #1a7f37;--warn: #9a6700;--bad: #cf222e;--radius: 14px;--shadow: 0 1px 2px rgba(15, 23, 32, .06), 0 4px 16px rgba(15, 23, 32, .05);color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #0b1016;--surface: #121a23;--surface-2: #1a2430;--text: #e6edf3;--muted: #8d9aa8;--border: #273342;--accent: #4c9bff;--accent-text: #08111c;--ok: #3fb950;--warn: #d29922;--bad: #f85149;--shadow: none;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,sans-serif;-webkit-text-size-adjust:100%}a{color:var(--accent);text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}.shell{max-width:960px;margin:0 auto;padding:0 16px calc(32px + env(safe-area-inset-bottom))}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:calc(10px + env(safe-area-inset-top)) 16px 10px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.brand{font-weight:700;letter-spacing:.2px;color:var(--text)}.topbar .spacer{flex:1}.topbar{flex-wrap:wrap;row-gap:6px}.nav{display:flex;gap:4px;overflow-x:auto;order:3;width:100%}@media (min-width: 760px){.nav{order:0;width:auto}}.nav a{padding:6px 10px;border-radius:999px;color:var(--muted);white-space:nowrap;font-size:14px}.nav a.active{background:var(--surface-2);color:var(--text)}h1{font-size:22px;margin:20px 0 8px}h2{font-size:18px;margin:18px 0 8px}h3{font-size:16px;margin:12px 0 6px}.muted{color:var(--muted)}.small{font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin:12px 0}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.grow{flex:1;min-width:0}label.field{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}input[type=text],input[type=email],input[type=number],select,textarea{width:100%;padding:12px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:16px}textarea{min-height:84px;resize:vertical}.check{display:flex;gap:10px;align-items:flex-start;font-size:14px}.check input{margin-top:4px;width:18px;height:18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 16px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-weight:600}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.btn.small{min-height:34px;padding:6px 10px;font-size:14px}.btn.block{width:100%}.btn:disabled{opacity:.5;cursor:default}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:14px}.chip.on{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface-2);color:var(--muted)}.badge.ok{color:var(--ok)}.badge.warn{color:var(--warn)}.badge.bad{color:var(--bad)}.notice{padding:12px 14px;border-radius:10px;background:var(--surface-2);font-size:14px}.notice.warn{border-left:3px solid var(--warn)}.notice.bad{border-left:3px solid var(--bad)}.error{color:var(--bad);font-size:14px}.list-item{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);color:inherit}.list-item:last-child{border-bottom:0}.thumb{width:72px;height:48px;border-radius:8px;background:var(--surface-2);object-fit:cover;flex:none}.upload-status{padding:14px;border-radius:12px;background:var(--surface-2)}.upload-status .progress{background:var(--surface)}.journey{display:grid;gap:10px}.journey .step{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start}.journey .dot{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;background:var(--surface-2);color:var(--muted)}.journey .done .dot{background:var(--ok);color:#fff}.journey .now .dot{background:var(--accent);color:#fff}.journey .later{color:var(--muted)}.notice.ok{border-left:3px solid var(--ok)}.progress{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}.progress>div{height:100%;background:var(--accent);transition:width .3s}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin:12px 0;overflow-x:auto}.tabs button{background:none;border:0;padding:10px 12px;border-bottom:2px solid transparent;color:var(--muted);cursor:pointer;white-space:nowrap}.tabs button.on{color:var(--text);border-bottom-color:var(--accent);font-weight:600}.replay{background:#000;border-radius:var(--radius);overflow:hidden}.replay-stage{display:grid;grid-template-columns:1fr}.replay-stage.split{grid-template-columns:1fr}@media (min-width: 760px){.replay-stage.split{grid-template-columns:1fr 1fr}}.replay video{width:100%;height:100%;max-height:56vh;display:block;background:#000;object-fit:contain}.replay .canvas3d{width:100%;aspect-ratio:4 / 3;max-height:56vh;position:relative;background:#0d1620}.replay .canvas3d canvas{width:100%!important;height:100%!important;display:block;touch-action:none}.replay .overlay-label{position:absolute;left:8px;top:8px;font-size:12px;color:#cfe3ff;background:#0006;padding:2px 6px;border-radius:6px}.replay-controls{background:var(--surface);padding:10px 12px;display:flex;flex-direction:column;gap:8px;border:1px solid var(--border);border-top:0;border-radius:0 0 var(--radius) var(--radius)}.replay-controls input[type=range]{width:100%}.seg{display:inline-flex;border:1px solid var(--border);border-radius:10px;overflow:hidden}.seg button{background:var(--surface);border:0;padding:6px 10px;font-size:13px;cursor:pointer;color:var(--muted)}.seg button.on{background:var(--surface-2);color:var(--text);font-weight:600}.time{font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted)}.item{border:1px solid var(--border);border-radius:12px;padding:12px;margin:10px 0}.item .when{font-size:13px;color:var(--accent);cursor:pointer}.kv{display:grid;grid-template-columns:1fr;gap:6px}.kv b{font-size:13px;color:var(--muted);font-weight:600;display:block}table.simple{width:100%;border-collapse:collapse;font-size:14px}table.simple td,table.simple th{padding:8px 6px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.scroll-x{overflow-x:auto}.center{text-align:center}.login{max-width:420px;margin:8vh auto 0}.survey .chip.option{text-align:left;width:100%;padding:12px 14px;border-radius:12px;font-size:15px}.survey .scale{display:grid;grid-template-columns:repeat(auto-fit,minmax(34px,1fr));gap:6px}.survey .scale .chip{padding:10px 0;text-align:center}.thread .reply{margin-left:16px;border-left:2px solid var(--accent);padding-left:10px}.cliprange{position:relative;height:36px}.cliprange .track{position:absolute;left:0;right:0;top:16px;height:4px;border-radius:2px;background:var(--surface-2)}.cliprange .sel{position:absolute;top:14px;height:8px;border-radius:4px;background:var(--accent)}.cliprange input[type=range]{position:absolute;left:0;width:100%;top:6px;margin:0;background:none;pointer-events:none;-webkit-appearance:none;appearance:none;height:24px}.cliprange input[type=range]::-webkit-slider-thumb{pointer-events:auto;-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:2px solid var(--accent);box-shadow:0 1px 3px #00000040}.cliprange input[type=range]::-moz-range-thumb{pointer-events:auto;width:22px;height:22px;border-radius:50%;background:#fff;border:2px solid var(--accent)}.cliprange input[type=range]::-webkit-slider-runnable-track{background:none}.guide-figs{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.guide-figs figure{margin:0;text-align:center;font-size:12px;color:var(--muted)}.guide-figs svg{width:100%;height:auto;border-radius:8px;display:block}.steps{display:flex;gap:4px;margin:14px 0 4px}.steps .step{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;color:var(--muted);text-align:center}.steps .dot{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);font-weight:700;font-size:12px}.steps .step.on{color:var(--text);font-weight:600}.steps .step.on .dot{background:var(--accent);color:var(--accent-text)}.steps .step.done .dot{background:color-mix(in srgb,var(--ok) 25%,var(--surface));color:var(--ok)}.next-bar{position:sticky;bottom:0;padding:10px 0 calc(10px + env(safe-area-inset-bottom));background:linear-gradient(to top,var(--bg) 70%,transparent)}.btn.back{min-height:34px;padding:4px 10px;font-weight:500}