@layer theme{:root,:host{--font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color 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components,utilities;:root{color:#142d4e;background:#f4f8ff;font-family:Arial,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;color:#fff;background:#1761ee;border:0;border-radius:12px;padding:12px 20px}button:disabled{opacity:.5;cursor:wait}input,select{background:#fff;border:1px solid #d7e2f3;border-radius:10px;width:100%;margin:8px 0 20px;padding:13px;display:block}label{font-size:14px}h1{letter-spacing:-1px;font-size:clamp(26px,4vw,42px)}h2{font-size:22px}header{background:#fff;border-bottom:1px solid #dfe7f3;justify-content:space-between;align-items:center;padding:24px 5vw;display:flex}main{max-width:1000px;margin:56px auto;padding:0 24px}.card{background:#fff;border:1px solid #e0e9f6;border-radius:24px;margin:24px 0;padding:32px;box-shadow:0 15px 50px #264d8010}.muted{color:#657b97;line-height:1.8}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.secondary{color:#225ab0;background:#eaf1ff}.error{color:#b32938;background:#fff0f0;border-radius:10px;padding:14px}.badge{color:#2366c8;background:#e9f2ff;border-radius:20px;padding:6px 12px;font-size:12px}form{max-width:500px}h2{margin:18px 0 12px}li{margin:12px 0}@media (max-width:600px){main{margin:24px auto}.card{padding:22px}header{padding:18px}.brand{font-size:14px}}textarea{width:100%;min-height:140px;font:inherit;resize:vertical;border:1px solid #d7e2f3;border-radius:12px;margin:10px 0 18px;padding:16px;display:block}.task{border-bottom:1px solid #e5ecf5;padding:20px 0}.task pre{white-space:pre-wrap;overflow-wrap:anywhere}.team{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:20px;display:grid}.task .error{margin:14px 0}.tabs{z-index:2;background:#f4f8fff5;flex-wrap:wrap;gap:10px;padding:16px 0;display:flex;position:sticky;top:0}.check{align-items:center;gap:10px;margin:12px 0;display:flex}.check input{flex:none;width:auto;margin:0;display:inline-block}fieldset{border:1px solid #d7e2f3;border-radius:12px;min-width:0;margin:16px 0;padding:16px}.stats{flex-wrap:wrap;gap:24px;margin:24px 0;display:flex}.stats strong{color:#1761ee;font-size:28px;display:block}.stats span{color:#657b97}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid #e0e9f6;padding:12px}article p{overflow-wrap:anywhere}summary{cursor:pointer}h3{font-size:18px}