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var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.quicklinks-title[data-v-ab6f4156]{margin:0;font-size:13px;font-weight:600;color:var(--text-dim);white-space:nowrap}.quicklinks-loading[data-v-ab6f4156]{font-size:13px;color:var(--text-dim)}.quicklinks-list[data-v-ab6f4156]{display:flex;flex-wrap:wrap;gap:8px;min-width:0}.quicklinks-item[data-v-ab6f4156]{padding:4px 11px;border:1px solid transparent;border-radius:999px;background:var(--surface-2);color:var(--primary-dark);font-size:13px;text-decoration:none}.quicklinks-item[data-v-ab6f4156]:hover{background:var(--primary-soft);border-color:var(--primary)}@media (max-width: 560px){.quicklinks[data-v-ab6f4156]{flex-direction:column;align-items:stretch;gap:10px}}:root{--bg: #f4f8fa;--surface: #ffffff;--surface-2: #eef4f6;--border: #dce7ea;--text: #1d2b30;--text-dim: #6b8189;--primary: #2f9e8f;--primary-dark: #24796d;--primary-soft: #e3f4f1;--danger: #d8543f;--danger-soft: #fdeae6;--warn: #d99a25;--warn-soft: #fdf3e2;--ok: #2f9e5f;--ok-soft: #e6f5ec;--radius: 14px;--radius-sm: 9px;--shadow: 0 2px 10px rgba(29, 43, 48, .06);--nav-h: 58px}@media (prefers-color-scheme: dark){:root{--bg: #141a1c;--surface: #1c2427;--surface-2: #232d31;--border: #2e3a3e;--text: #e6eef0;--text-dim: #93a6ac;--primary: #46b3a2;--primary-dark: #6ac9ba;--primary-soft: #1f3733;--danger: #e0705a;--danger-soft: #3a2320;--warn: #dfae55;--warn-soft: #382e1c;--ok: #4fb87a;--ok-soft: #1e3527;--shadow: 0 2px 10px rgba(0, 0, 0, .3)}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;font-size:15px;line-height:1.6;-webkit-tap-highlight-color:transparent}h1,h2,h3,h4{margin:0;line-height:1.35}button{font:inherit;color:inherit}input,textarea,select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;width:100%}input:focus,textarea:focus,select:focus{outline:2px solid var(--primary-soft);border-color:var(--primary)}textarea{resize:vertical;min-height:78px}a{color:var(--primary-dark);text-decoration:none}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;width:100%;max-width:960px;margin:0 auto;padding:14px 14px calc(var(--nav-h) + 26px)}.page-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}.page-head h1{font-size:20px;flex:1}.page-sub{color:var(--text-dim);font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;margin-bottom:12px}.card-title{display:flex;align-items:center;justify-content:space-between;gap:8px;font-weight:600;margin-bottom:10px}.grid{display:grid;gap:10px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(108px,1fr))}.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.spread{display:flex;align-items:center;justify-content:space-between;gap:8px}.stack{display:flex;flex-direction:column;gap:10px}.spacer{flex:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-sm);padding:9px 14px;cursor:pointer;font-weight:500;transition:filter .15s ease,background .15s 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9px;font-size:12px;color:var(--text-dim);white-space:nowrap}.tag-primary{background:var(--primary-soft);color:var(--primary-dark)}.tag-ok{background:var(--ok-soft);color:var(--ok)}.tag-danger{background:var(--danger-soft);color:var(--danger)}.tag-warn{background:var(--warn-soft);color:var(--warn)}.stat{background:var(--surface-2);border-radius:var(--radius-sm);padding:10px;text-align:center}.stat-value{font-size:19px;font-weight:700;font-variant-numeric:tabular-nums}.stat-label{font-size:12px;color:var(--text-dim)}.option{display:flex;gap:10px;align-items:flex-start;width:100%;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 12px;cursor:pointer;transition:background .15s ease,border-color .15s ease}.option:hover:not(:disabled){background:var(--surface-2)}.option-key{flex:none;width:25px;height:25px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;font-size:13px;font-weight:600}.option.selected{border-color:var(--primary);background:var(--primary-soft)}.option.selected .option-key{background:var(--primary);color:#fff}.option.correct{border-color:var(--ok);background:var(--ok-soft)}.option.correct .option-key{background:var(--ok);color:#fff}.option.incorrect{border-color:var(--danger);background:var(--danger-soft)}.option.incorrect .option-key{background:var(--danger);color:#fff}.option:disabled{cursor:default}.bar{height:7px;border-radius:999px;background:var(--surface-2);overflow:hidden}.bar>span{display:block;height:100%;background:var(--primary);border-radius:999px;transition:width .25s ease}.main-nav{position:fixed;left:0;right:0;bottom:0;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--border);display:flex;z-index:20}.nav-items{flex:1;display:flex}.nav-link{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--text-dim)}.nav-link.active{color:var(--primary-dark)}.nav-icon{font-size:19px;line-height:1}.nav-brand,.nav-foot{display:none}.top-bar{position:sticky;top:0;z-index:15;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);padding:9px 14px;display:flex;align-items:center;gap:10px}.top-bar .brand{font-weight:700;font-size:15px}.stem{font-size:16px;font-weight:500;white-space:pre-wrap;word-break:break-word;margin-bottom:12px}.explain{background:var(--surface-2);border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;white-space:pre-wrap;word-break:break-word}.empty{text-align:center;color:var(--text-dim);padding:34px 16px}.empty-icon{font-size:34px;margin-bottom:8px}.toast-wrap{position:fixed;left:50%;transform:translate(-50%);bottom:calc(var(--nav-h) + 18px);display:flex;flex-direction:column;gap:8px;z-index:40;width:min(92vw,420px)}.toast{background:var(--text);color:var(--bg);border-radius:var(--radius-sm);padding:9px 13px;font-size:14px;box-shadow:0 4px 16px #0000002e;cursor:pointer}.toast.success{background:var(--ok);color:#fff}.toast.error{background:var(--danger);color:#fff}.modal-mask{position:fixed;inset:0;background:#0f191c73;display:grid;place-items:center;padding:16px;z-index:50}.modal{background:var(--surface);border-radius:var(--radius);padding:16px;width:min(96vw,560px);max-height:88vh;overflow:auto}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--border)}.table th{color:var(--text-dim);font-weight:500;font-size:12px}.chart{display:flex;align-items:flex-end;gap:3px;height:108px}.chart-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:3px;min-width:0}.chart-bar{width:100%;background:var(--primary);border-radius:3px 3px 0 0;min-height:2px}.chart-bar.dim{background:var(--surface-2)}.chart-x{font-size:9px;color:var(--text-dim);white-space:nowrap}.heat{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,1fr);gap:3px;overflow-x:auto;padding-bottom:4px}.heat-cell{width:12px;height:12px;border-radius:3px;background:var(--surface-2)}.heat-1{background:color-mix(in srgb,var(--primary) 30%,var(--surface-2))}.heat-2{background:color-mix(in srgb,var(--primary) 55%,var(--surface-2))}.heat-3{background:color-mix(in srgb,var(--primary) 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var(--border);align-items:center;gap:14px}.nav-brand{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap}.nav-brand-mark{display:grid;place-items:center;width:26px;height:26px;border-radius:8px;background:var(--primary);color:#fff;font-size:14px}.nav-items{flex:1;gap:4px}.nav-link{flex:0 0 auto;flex-direction:row;gap:6px;font-size:14px;padding:7px 12px;border-radius:var(--radius-sm);transition:background .15s ease,color .15s ease}.nav-link:hover{background:var(--surface-2);color:var(--text)}.nav-link.active{background:var(--primary-soft);color:var(--primary-dark);font-weight:600}.nav-icon{font-size:16px}.nav-foot{display:flex;max-width:160px}.nav-foot .nav-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toast-wrap{bottom:24px}}@media (min-width: 1024px){.app-shell{flex-direction:row}.main-nav{flex-direction:column;align-items:stretch;width:216px;flex:0 0 216px;height:100vh;padding:18px 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