:root{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#f1f5f9;background:#0b1220;font-size:18px;line-height:1.6}*{box-sizing:border-box}body{margin:0}main{max-width:900px;margin:auto;padding:24px 20px 48px}h1{font-size:2.2rem;margin:.2em 0}h2{font-size:1.4rem;margin-top:0}.eyebrow,.hint,footer{color:#c1cddd}.warning{border:2px solid #fbbf24;background:#30260c;padding:20px;border-radius:16px}.warning strong{font-size:1.2rem;color:#fde68a}section{margin-top:24px;background:#152136;border:1px solid #41536c;border-radius:16px;padding:24px}button,input,textarea{font:inherit}button{min-height:56px;padding:12px 20px;background:#b9e5ff;color:#071624;border:2px solid transparent;border-radius:10px;font-weight:700;cursor:pointer}button:disabled{background:#334155;color:#b1bdcc;cursor:not-allowed}button.danger{background:#ffb8b8;color:#390a0a;margin-top:20px;width:100%}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}label{display:block;margin:12px 0 6px}input[type=text],textarea{display:block;width:100%;background:#0b1220;border:1px solid #8398b5;border-radius:8px;color:#fff;padding:12px}input[type=range],meter{width:100%;height:36px}input[type=checkbox],input[type=radio]{width:24px;height:24px;vertical-align:middle;margin-right:12px;accent-color:#8bd8ff}fieldset{border:1px solid #6c819e;border-radius:10px;margin:18px 0;padding:12px 16px}fieldset label{min-height:44px}legend{padding:0 8px}dl{display:grid;grid-template-columns:minmax(130px,1fr) 2fr;gap:8px}dt{color:#c1cddd}dd{margin:0;overflow-wrap:anywhere}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.85rem;background:#0b1220;padding:14px}summary{cursor:pointer;min-height:48px;padding:10px 0}button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #facc15;outline-offset:4px}footer{margin-top:28px}p[role=status]{overflow-wrap:anywhere}output{font-weight:bold}@media(max-width:540px){main{padding:16px 12px 32px}section{padding:18px 14px}.actions button{flex:1 1 100%}h1{font-size:1.85rem}dl{grid-template-columns:1fr}dd{margin-bottom:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

select{font:inherit;min-height:56px;width:100%;background:#0b1220;color:#fff;padding:12px;border:1px solid #8398b5;border-radius:8px}#meter{height:28px;width:100%;overflow:hidden;background:#08101c;border:1px solid #8398b5;border-radius:8px}#levelFill{height:100%;width:0%;background:#58d9aa}.diagnosis{border-left:6px solid #94a3b8;background:#0b1220;padding:12px;overflow-wrap:anywhere}.diagnosis.pass{border-color:#58d9aa}.diagnosis.fail{border-color:#ff9292}.diagnosis.unsupported,.diagnosis.unavailable{border-color:#facc15}.button{display:inline-block;padding:14px 20px;min-height:56px;background:#b9e5ff;color:#071624;border-radius:10px;font-weight:bold;text-decoration:none}[hidden]{display:none!important}#record{background:#58d9aa;color:#071624}#record:disabled{background:#334155;color:#b1bdcc}#recordStats{font-size:.9rem;overflow-wrap:anywhere}select:focus-visible,a:focus-visible{outline:3px solid #facc15;outline-offset:4px}