:root{color:#201d4f;font-synthesis:none;--bg:#f7f7fc;--surface:#fff;--surface-soft:#f0f1f8;--text:#201d4f;--text-secondary:#5d5f78;--text-tertiary:#85879b;--border:#e0e2ee;--primary:#4f46e5;--primary-hover:#4338ca;--primary-soft:#eceeff;--danger:#b14f48;--shadow-sm:0 1px 2px #312e810a, 0 7px 20px #312e810d;--shadow-lg:0 32px 90px #1f1c5533;--line:var(--border);--panel:var(--surface);--ink:var(--text);--muted:var(--text-secondary);background:#f7f7fc;font-family:Inter,SF Pro Display,PingFang SC,Microsoft YaHei,sans-serif}[data-theme=dark]{color:#f0efff;--bg:#12111c;--surface:#1a1926;--surface-soft:#242337;--text:#f0efff;--text-secondary:#b8b7cb;--text-tertiary:#88869f;--border:#333149;--primary:#a5b4fc;--primary-hover:#c7d2fe;--primary-soft:#29294b;--danger:#e59088;--shadow-sm:0 1px 2px #0000002e, 0 8px 24px #00000029;--shadow-lg:0 32px 90px #00000085;background:#12111c}*{box-sizing:border-box}html{background:var(--bg);min-width:320px}body{background:var(--bg);min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{color:inherit;cursor:pointer;border:0}:is(button:focus-visible,label:has(input):focus-within){outline:3px solid color-mix(in srgb, var(--primary) 30%, transparent);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.48}kbd{border:1px solid var(--border);background:var(--surface);min-width:24px;height:23px;color:var(--text-secondary);border-bottom-width:2px;border-radius:6px;justify-content:center;align-items:center;padding:0 7px;font:11px/1 ui-monospace,SFMono-Regular,Consolas,monospace;display:inline-flex}.site-shell{background:radial-gradient(circle at 78% 0%, color-mix(in srgb, var(--primary-soft) 55%, transparent), transparent 30%), var(--bg);min-height:100vh}.site-header{z-index:20;border-bottom:1px solid color-mix(in srgb, var(--border) 80%, transparent);background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);grid-template-columns:1fr auto 1fr;align-items:center;height:72px;padding:0 max(28px,50vw - 620px);display:grid;position:sticky;top:0}.brand{text-align:left;background:0 0;align-items:center;gap:11px;width:max-content;padding:0;display:inline-flex}.brand-symbol{background:var(--primary);color:#fff;width:38px;height:38px;box-shadow:0 8px 20px color-mix(in srgb, var(--primary) 22%, transparent);border-radius:11px;place-items:center;display:grid}.brand b,.brand small{display:block}.brand b{letter-spacing:.08em;font-size:17px}.brand small{color:var(--text-tertiary);margin-top:2px;font-size:10px}.site-nav{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);border-radius:12px;align-items:center;gap:3px;padding:4px;display:flex}.site-nav button{min-height:38px;color:var(--text-secondary);background:0 0;border-radius:8px;align-items:center;gap:7px;padding:0 12px;font-size:13px;transition:background .18s,color .18s;display:flex}.site-nav button:hover{color:var(--text);background:var(--surface-soft)}.site-nav button.active{color:var(--text);background:var(--primary-soft);font-weight:600}.site-nav button>span{background:var(--surface-soft);min-width:18px;height:18px;color:var(--text-secondary);border-radius:9px;place-items:center;margin-left:1px;padding:0 4px;font-size:10px;display:grid}.header-actions{justify-self:end;align-items:center;gap:9px;display:flex}.stealth-chip{border:1px solid var(--border);background:var(--surface);height:38px;color:var(--text-secondary);border-radius:9px;align-items:center;gap:7px;padding:0 8px 0 11px;font-size:11px;display:flex}.stealth-chip kbd{background:var(--surface-soft);height:21px}.theme-button,.close-button{width:40px;height:40px;color:var(--text-secondary);background:0 0;border-radius:10px;place-items:center;transition:all .18s;display:grid}.theme-button:hover,.close-button:hover{background:var(--surface-soft);color:var(--text)}.home-page,.inner-page{width:min(1184px,100% - 48px);margin:0 auto}.hero-section{grid-template-columns:minmax(0,1.18fr) minmax(340px,.82fr);align-items:center;gap:80px;min-height:510px;padding:74px 0 62px;display:grid}.eyebrow{color:var(--text-tertiary);letter-spacing:.14em;align-items:center;gap:9px;font:600 11px/1 ui-monospace,SFMono-Regular,monospace;display:flex}.eyebrow>span{background:var(--primary);width:22px;height:1px}.hero-copy h1{max-width:650px;color:var(--text);letter-spacing:-.055em;margin:21px 0 23px;font-size:clamp(45px,5vw,68px);line-height:1.12}.hero-copy h1 em{color:var(--primary);font-style:normal;font-weight:650}.hero-copy>p{max-width:585px;color:var(--text-secondary);margin:0;font-size:16px;line-height:1.9}.hero-benefits{flex-wrap:wrap;gap:9px 18px;margin-top:20px;display:flex}.hero-benefits span{color:var(--text-secondary);align-items:center;gap:6px;font-size:12px;font-weight:650;display:inline-flex}.hero-benefits svg{color:var(--primary)}.hero-actions{align-items:center;gap:20px;margin-top:33px;display:flex}.hero-actions>span{color:var(--text-tertiary);white-space:nowrap;align-items:center;gap:7px;font-size:12px;display:flex}.primary-action,.secondary-action{border-radius:10px;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:0 18px;font-size:13px;font-weight:650;transition:background .18s,color .18s,transform .18s,box-shadow .18s;display:inline-flex}.primary-action{background:var(--primary);color:#fff;box-shadow:0 8px 22px color-mix(in srgb, var(--primary) 20%, transparent)}[data-theme=dark] .primary-action{color:#17153b}.primary-action:hover{background:var(--primary-hover);transform:translateY(-1px)}.secondary-action{border:1px solid var(--border);background:var(--surface);color:var(--text)}.secondary-action:hover{background:var(--surface-soft)}.hero-panel{border:1px solid var(--border);background:var(--surface);min-height:360px;box-shadow:var(--shadow-sm);border-radius:24px;padding:23px;position:relative;overflow:hidden}.hero-panel:before{content:"";border:60px solid var(--primary-soft);opacity:.75;border-radius:50%;width:270px;height:270px;position:absolute;top:-100px;right:-90px}.panel-top{color:var(--text-tertiary);justify-content:space-between;font-size:11px;display:flex;position:relative}.status-dot{align-items:center;gap:6px;display:flex}.status-dot:before{content:"";background:#28a56e;border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 4px #28a56e24}.progress-ring{background:conic-gradient(var(--primary) var(--progress), var(--surface-soft) 0);border-radius:50%;place-items:center;width:174px;height:174px;margin:30px auto 28px;display:grid}.progress-ring:before{content:"";background:var(--surface);border-radius:50%;width:140px;height:140px;position:absolute}.progress-ring>div{z-index:1;text-align:center;position:relative}.progress-ring strong{color:var(--text);letter-spacing:-.05em;font-size:39px;display:block}.progress-ring strong small{font-size:15px}.progress-ring span{color:var(--text-tertiary);font-size:11px}.panel-stats{border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);padding-top:20px;display:grid}.panel-stats>div{text-align:center;border-right:1px solid var(--border)}.panel-stats>div:last-child{border-right:0}.panel-stats strong,.panel-stats span{display:block}.panel-stats strong{color:var(--text);font-size:18px}.panel-stats span{color:var(--text-tertiary);margin-top:5px;font-size:10px}.subject-section{border-top:1px solid var(--border);padding:70px 0 84px}.section-title{justify-content:space-between;align-items:end;margin-bottom:27px;display:flex}.section-title span,.inner-heading>div>span{color:var(--primary);letter-spacing:.12em;font:600 11px/1 ui-monospace,SFMono-Regular,monospace}.section-title h2{letter-spacing:-.035em;margin:9px 0 0;font-size:30px}.section-title>p{color:var(--text-tertiary);margin:0;font-size:12px}.subject-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.subject-card:only-child{grid-column:1/-1;width:100%}.subject-card{border:1px solid var(--border);background:var(--surface);text-align:left;min-height:320px;box-shadow:var(--shadow-sm);border-radius:16px;flex-direction:column;padding:24px;transition:transform .22s,border-color .22s,box-shadow .22s;display:flex}.subject-card:hover{border-color:color-mix(in srgb, var(--subject) 45%, var(--border));box-shadow:0 18px 42px color-mix(in srgb, var(--subject) 10%, transparent);transform:translateY(-4px)}.subject-card-top{justify-content:space-between;align-items:start;display:flex}.license-badge{border:1px solid var(--border);background:var(--surface-soft);min-height:26px;color:var(--text-tertiary);border-radius:13px;align-items:center;gap:5px;padding:0 8px;font-size:9px;font-weight:600;display:inline-flex}.license-badge.unlocked{border-color:color-mix(in srgb, var(--subject) 25%, var(--border));background:var(--subject-tint);color:var(--subject)}[data-theme=dark] .license-badge.unlocked{background:color-mix(in srgb, var(--subject) 18%, var(--surface));color:color-mix(in srgb, var(--subject) 52%, white)}.subject-card.locked .subject-icon{filter:saturate(.45)}.subject-icon{background:var(--subject-tint);width:48px;height:48px;color:var(--subject);border-radius:13px;place-items:center;display:grid}[data-theme=dark] .subject-icon{background:color-mix(in srgb, var(--subject) 20%, var(--surface));color:color-mix(in srgb, var(--subject) 55%, white)}.subject-card h3{letter-spacing:-.025em;margin:27px 0 9px;font-size:21px}.subject-card>p{color:var(--text-secondary);margin:0;font-size:13px}.syllabus{flex-wrap:wrap;gap:6px;margin-top:21px;display:flex}.syllabus span{background:var(--surface-soft);color:var(--text-secondary);border-radius:6px;padding:6px 8px;font-size:10px}.subject-footer{border-top:1px solid var(--border);color:var(--text-tertiary);justify-content:space-between;align-items:center;margin-top:auto;padding-top:21px;font-size:11px;display:flex}.subject-footer>span{align-items:center;gap:6px;display:flex}.subject-footer .start-label,.subject-footer .resume-label,.subject-footer .activate-label{color:var(--subject);font-weight:600}.how-section{border:1px solid var(--border);background:var(--surface);border-radius:16px;grid-template-columns:repeat(3,1fr);gap:0;margin-bottom:92px;display:grid}.how-section>div{border-right:1px solid var(--border);padding:28px}.how-section>div:last-child{border-right:0}.step-number{color:var(--primary);font:600 11px ui-monospace,monospace}.how-section h3{margin:22px 0 9px;font-size:16px}.how-section p{color:var(--text-secondary);margin:0;font-size:12px;line-height:1.7}.inner-page{min-height:calc(100vh - 145px);padding:68px 0 80px}.inner-heading{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding-bottom:33px;display:flex}.inner-heading h1{letter-spacing:-.045em;margin:10px 0 9px;font-size:34px}.inner-heading p{color:var(--text-secondary);margin:0;font-size:13px}.heading-icon{border:1px solid var(--border);background:var(--surface);width:58px;height:58px;color:var(--primary);box-shadow:var(--shadow-sm);border-radius:16px;place-items:center;display:grid}.collection-grid{gap:16px;margin-top:28px;display:grid}.collection-card{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);border-radius:15px;overflow:hidden}.collection-card>header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;min-height:86px;padding:17px 20px;display:flex}.collection-card>header>div{align-items:center;gap:12px;display:flex}.collection-card header b,.collection-card header small{display:block}.collection-card header b{font-size:14px}.collection-card header small{color:var(--text-tertiary);margin-top:5px;font-size:10px}.collection-card header button{background:var(--primary-soft);min-height:40px;color:var(--primary);border-radius:8px;align-items:center;gap:7px;padding:0 12px;font-size:11px;font-weight:600;display:flex}.question-row{border-bottom:1px solid var(--border);grid-template-columns:30px 1fr 55px;align-items:center;gap:12px;min-height:61px;padding:10px 20px;display:grid}.question-row:last-child{border-bottom:0}.question-row>span{background:var(--surface-soft);width:27px;height:27px;color:var(--text-secondary);border-radius:7px;place-items:center;font-size:10px;display:grid}.question-row p{color:var(--text);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:12px;overflow:hidden}.question-row small{color:var(--text-tertiary);text-align:right;font-size:10px}.empty-state{text-align:center;place-items:center;padding:100px 20px;display:grid}.empty-state>div{background:var(--primary-soft);width:58px;height:58px;color:var(--primary);border-radius:50%;place-items:center;display:grid}.empty-state h2{margin:20px 0 8px;font-size:18px}.empty-state p{color:var(--text-tertiary);margin:0;font-size:12px}.empty-state button{color:var(--primary);background:0 0;margin-top:20px;font-size:12px}.admin-summary{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:27px;display:grid}.admin-summary>div{border:1px solid var(--border);background:var(--surface);border-radius:13px;padding:21px}.admin-summary span,.admin-summary small,.admin-summary strong{display:block}.admin-summary span{color:var(--text-secondary);font-size:11px}.admin-summary strong{margin:12px 0 5px;font-size:27px}.admin-summary small{color:var(--text-tertiary);font-size:10px}.license-panel{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);border-radius:14px;margin-top:18px;overflow:hidden}.license-panel-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:18px;min-height:84px;padding:18px 20px;display:flex}.license-panel-head>div{align-items:center;gap:13px;display:flex}.license-panel-head h2{margin:0 0 5px;font-size:16px}.license-panel-head p{color:var(--text-secondary);margin:0;font-size:10px}.license-generator{background:color-mix(in srgb, var(--surface-soft) 45%, var(--surface));grid-template-columns:minmax(180px,1fr) 130px auto;align-items:end;gap:12px;padding:18px 20px;display:grid}.license-generator label{color:var(--text-secondary);gap:7px;font-size:10px;display:grid}.license-generator select,.license-generator input{border:1px solid var(--border);background:var(--surface);width:100%;min-height:44px;color:var(--text);border-radius:9px;outline:0;padding:0 12px;font-size:12px}.license-generator select:focus,.license-generator input:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 13%, transparent)}.license-head,.license-row{grid-template-columns:minmax(210px,1.3fr) 1fr 90px 70px;align-items:center;gap:14px;padding:0 20px;display:grid}.license-head{background:var(--surface-soft);min-height:38px;color:var(--text-tertiary);font-size:9px}.license-row{border-top:1px solid var(--border);min-height:54px;color:var(--text-secondary);font-size:10px}.license-row code{background:var(--surface-soft);width:max-content;color:var(--text);letter-spacing:.04em;border-radius:5px;padding:5px 7px;font:600 11px ui-monospace,monospace}.code-status{align-items:center;gap:5px;width:max-content;display:inline-flex}.code-status:before{content:"";background:#c48a35;border-radius:50%;width:6px;height:6px}.code-status.used:before{background:#31a16e}.license-row button{min-height:36px;color:var(--primary);background:0 0;align-items:center;gap:5px;font-size:10px;display:flex}.license-production-note{border-top:1px solid var(--border);background:color-mix(in srgb, var(--primary-soft) 46%, var(--surface));color:var(--text-secondary);align-items:center;gap:9px;padding:13px 20px;font-size:10px;line-height:1.6;display:flex}.import-panel{border:1px dashed color-mix(in srgb, var(--primary) 40%, var(--border));background:color-mix(in srgb, var(--primary-soft) 55%, var(--surface));border-radius:14px;grid-template-columns:1fr auto;align-items:center;gap:20px;margin-top:18px;padding:25px;display:grid}.import-copy{align-items:center;gap:15px;display:flex}.upload-icon{background:var(--surface);width:48px;height:48px;color:var(--primary);border-radius:12px;flex:none;place-items:center;display:grid}.import-copy h2{margin:0 0 6px;font-size:16px}.import-copy p{max-width:630px;color:var(--text-secondary);margin:0;font-size:11px;line-height:1.65}.import-actions{gap:8px;display:flex}.import-actions .primary-action{cursor:pointer}.import-actions input{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.admin-notice{border-top:1px solid color-mix(in srgb, var(--primary) 20%, var(--border));color:var(--text-secondary);grid-column:1/-1;align-items:center;gap:7px;padding-top:14px;font-size:11px;display:flex}.question-table-panel{border:1px solid var(--border);background:var(--surface);border-radius:14px;margin-top:18px;overflow:hidden}.table-title{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px;display:flex}.table-title h2{margin:0 0 5px;font-size:16px}.table-title p{color:var(--text-tertiary);margin:0;font-size:10px}.table-search{color:var(--text-tertiary);align-items:center;gap:7px;font-size:10px;display:flex}.table-head,.table-row{grid-template-columns:minmax(300px,1fr) 120px 80px 80px 55px;align-items:center;gap:14px;padding:0 20px;display:grid}.table-head{background:var(--surface-soft);min-height:39px;color:var(--text-tertiary);font-size:10px}.table-row{border-top:1px solid var(--border);min-height:66px;color:var(--text-secondary);font-size:11px}.table-row>span:first-child{min-width:0}.table-row b,.table-row small{display:block}.table-row b{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:500;overflow:hidden}.table-row small{color:var(--text-tertiary);margin-top:4px;font:9px ui-monospace,monospace}.table-row i{background:var(--surface-soft);color:var(--text-tertiary);border-radius:5px;padding:4px 6px;font-size:9px;font-style:normal}.table-row i.source-imported{background:var(--primary-soft);color:var(--primary)}.table-row button{min-height:34px;color:var(--danger);background:0 0;font-size:10px}.dialog-backdrop{z-index:100;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0a130e8a;place-items:center;padding:24px;animation:.18s ease-out backdrop-in;display:grid;position:fixed;inset:0}.setup-dialog{border:1px solid var(--border);background:var(--surface);width:min(760px,100%);max-height:calc(100dvh - 40px);box-shadow:var(--shadow-lg);border-radius:20px;animation:.24s ease-out dialog-in;overflow:auto}.setup-dialog>header{border-bottom:1px solid var(--border);align-items:center;gap:14px;min-height:92px;padding:20px 24px;display:flex}.setup-dialog>header>div:nth-child(2){flex:1}.setup-subject .subject-icon{width:48px;height:48px}.setup-dialog header span{color:var(--text-tertiary);font-size:10px}.setup-dialog h2{letter-spacing:-.025em;margin:5px 0 0;font-size:20px}.setup-body{padding:23px 24px}.setup-help{color:var(--text-secondary);margin:0 0 18px;font-size:12px}.launch-mode-grid{grid-template-columns:1fr 1fr;gap:9px;margin-bottom:20px;display:grid}.launch-mode-card{border:1px solid var(--border);background:var(--surface);min-height:70px;color:var(--text-secondary);text-align:left;border-radius:11px;align-items:center;gap:11px;padding:12px 13px;display:flex}.launch-mode-card:hover{background:var(--surface-soft)}.launch-mode-card.selected{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.launch-mode-card>span{flex:1}.launch-mode-card b,.launch-mode-card small{display:block}.launch-mode-card b{color:var(--text);font-size:12px}.launch-mode-card small{color:var(--text-tertiary);margin-top:5px;font-size:9px}.setup-section-label{color:var(--text-tertiary);letter-spacing:.12em;text-transform:uppercase;margin:4px 0 10px;font:600 9px ui-monospace,monospace}.style-grid{grid-template-columns:repeat(3,1fr);gap:9px;display:grid}.style-card{border:1px solid var(--border);background:var(--surface);text-align:left;border-radius:11px;align-items:center;gap:11px;min-height:78px;padding:12px;transition:border-color .18s,background .18s,transform .18s;display:flex;position:relative}.style-card:hover{background:var(--surface-soft);transform:translateY(-1px)}.style-card.selected{border-color:var(--primary);background:var(--primary-soft)}.style-mark{border-radius:10px;flex:none;place-items:center;width:39px;height:39px;font-size:13px;font-weight:750;display:grid}.style-card b,.style-card small{display:block}.style-card b{font-size:12px}.style-card small{color:var(--text-tertiary);margin-top:5px;font-size:9px}.style-card i{background:var(--primary);width:19px;height:19px;color:var(--surface);border-radius:50%;place-items:center;display:grid;position:absolute;top:8px;right:8px}.shortcut-card{background:var(--surface-soft);color:var(--primary);border-radius:10px;align-items:center;gap:12px;margin-top:18px;padding:14px;display:flex}.shortcut-card>div{min-width:0}.shortcut-card b,.shortcut-card span{display:block}.shortcut-card b{font-size:11px}.shortcut-card span{color:var(--text-secondary);margin-top:5px;font-size:10px}.shortcut-card kbd{background:var(--surface);height:20px;padding:0 5px}.setup-dialog>footer{border-top:1px solid var(--border);background:color-mix(in srgb, var(--surface-soft) 45%, var(--surface));justify-content:space-between;align-items:center;gap:18px;min-height:78px;padding:15px 24px;display:flex}.setup-dialog>footer>div{color:var(--text-tertiary);align-items:center;gap:7px;font-size:10px;display:flex}.setup-dialog>footer .primary-action{margin-left:auto}.activation-dialog{border:1px solid var(--border);background:var(--surface);width:min(500px,100%);box-shadow:var(--shadow-lg);border-radius:20px;animation:.24s ease-out dialog-in;overflow:hidden}.activation-dialog>header{border-bottom:1px solid var(--border);align-items:center;gap:13px;min-height:92px;padding:20px 22px;display:flex}.activation-dialog>header>div:nth-child(2){flex:1}.activation-dialog header>div>span{color:var(--primary);letter-spacing:.12em;font:600 9px ui-monospace,monospace}.activation-dialog h2{margin:6px 0 0;font-size:20px}.activation-product .subject-icon{width:48px;height:48px}.activation-dialog form{padding:22px}.activation-benefit{background:var(--primary-soft);color:var(--primary);border-radius:10px;align-items:start;gap:11px;margin-bottom:22px;padding:14px;display:flex}.activation-benefit svg{flex:none}.activation-benefit b{font-size:11px;display:block}.activation-benefit p{color:var(--text-secondary);margin:5px 0 0;font-size:10px;line-height:1.7}.activation-dialog form>label{color:var(--text-secondary);margin-bottom:7px;font-size:11px;font-weight:600;display:block}.activation-input{border:1px solid var(--border);background:var(--surface);min-height:52px;color:var(--text-tertiary);border-radius:10px;align-items:center;gap:9px;padding:0 14px;display:flex}.activation-input:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 13%, transparent);color:var(--primary)}.activation-input.error{border-color:var(--danger)}.activation-input input{min-width:0;color:var(--text);letter-spacing:.07em;text-transform:uppercase;background:0 0;border:0;outline:0;flex:1;font:600 15px ui-monospace,monospace}.activation-input input::placeholder{color:var(--text-tertiary);letter-spacing:.03em;font-weight:400}.activation-helper,.activation-error{min-height:32px;color:var(--text-tertiary);margin:8px 0 2px;font-size:10px;line-height:1.6}.activation-error{color:var(--danger);align-items:center;gap:6px;display:flex}.activation-submit{width:100%;margin-top:11px}.activation-dialog>footer{border-top:1px solid var(--border);background:var(--surface-soft);color:var(--text-tertiary);align-items:center;gap:8px;padding:13px 22px;font-size:9px;line-height:1.5;display:flex}.site-footer{border-top:1px solid var(--border);width:min(1184px,100% - 48px);min-height:74px;color:var(--text-tertiary);justify-content:space-between;align-items:center;margin:auto;font-size:10px;display:flex}.practice-window{background:#f4f5f7;min-height:100vh}.practice-empty{color:#27332e;text-align:center;background:#f4f6f5;place-content:center;justify-items:center;min-height:100vh;padding:24px;display:grid}.practice-empty h1{margin:18px 0 7px;font-size:20px}.practice-empty p{color:#6b7771;margin:0;font-size:12px}.practice-empty button{background:var(--primary);color:#fff;border-radius:8px;min-height:42px;margin-top:20px;padding:0 17px}.cover-screen{z-index:1000;color:#20252b;background:#f5f6f8;font-family:Segoe UI,Microsoft YaHei,sans-serif;position:fixed;inset:0;overflow:hidden}.cover-screen>header{background:#fff;border-bottom:1px solid #e0e4e8;align-items:center;gap:13px;height:54px;padding:0 18px;font-size:12px;display:flex}.cover-logo{color:#fff;background:#1677ff;border-radius:8px;place-items:center;width:30px;height:30px;font-weight:700;display:grid}.cover-screen header>span{color:#727b86}.cover-search{color:#a0a6ad;background:#f2f4f6;border-radius:6px;width:280px;margin-left:auto;padding:8px 12px}.cover-window-controls{color:#7f8790;background:0 0;min-height:34px;padding:0 4px;font-size:11px}.cover-layout{grid-template-columns:72px 1fr;height:calc(100vh - 54px);display:grid}.cover-layout>aside{background:#fbfcfd;border-right:1px solid #e1e4e8;flex-direction:column;gap:5px;padding:18px 8px;display:flex}.cover-layout>aside button{color:#7a838d;background:0 0;border-radius:6px;min-height:45px;font-size:11px}.cover-layout>aside button.active{color:#1677ff;background:#e8f2ff}.cover-layout>section{flex-direction:column;min-width:0;display:flex}.cover-title{background:#fff;border-bottom:1px solid #e4e7ea;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex}.cover-title h1{margin:0;font-size:15px;display:inline}.cover-title span{color:#9aa1a9;margin-left:8px;font-size:10px}.cover-title button{background:0 0}.cover-content{background:#f5f6f8;flex:1;padding:25px 9%;overflow:auto}.date-line{color:#a0a6ad;text-align:center;font-size:10px}.cover-content article{gap:10px;margin:22px 0;display:flex}.cover-avatar{color:#fff;background:#35a96f;border-radius:50%;flex:none;place-items:center;width:34px;height:34px;font-size:12px;display:grid}.cover-avatar.blue{background:#397eea}.cover-content article b{font-size:11px;font-weight:500}.cover-content article b small{color:#9aa1aa;margin-left:6px;font-weight:400}.cover-content article p{color:#4f5963;background:#fff;border:1px solid #e2e5e8;border-radius:4px 10px 10px;max-width:650px;margin:8px 0 0;padding:11px 14px;font-size:12px}.cover-report{background:#fff;border:1px solid #e0e4e7;border-radius:8px;max-width:720px;margin:35px auto;padding:20px;box-shadow:0 2px 8px #0000000a}.cover-report>span{font-size:12px;font-weight:600}.cover-bars{border-bottom:1px solid #dde2e6;align-items:end;gap:9%;height:130px;margin:18px 0;padding:0 8%;display:flex}.cover-bars i{background:#76a8e8;width:9%}.cover-bars i:first-child{height:42%}.cover-bars i:nth-child(2){height:68%}.cover-bars i:nth-child(3){height:55%}.cover-bars i:nth-child(4){height:82%}.cover-bars i:nth-child(5){height:73%}.cover-report small{color:#9aa1a9;font-size:9px}.cover-input{color:#a2a8af;background:#fff;border:1px solid #dfe3e6;border-radius:4px;height:52px;margin:0 7% 15px;padding:17px;font-size:11px}.cover-input span{float:right}.return-hotspot{opacity:.04;color:#000;background:0 0;font-size:9px;position:fixed;bottom:8px;right:8px}@keyframes backdrop-in{0%{opacity:0}}@keyframes dialog-in{0%{opacity:0;transform:translateY(12px)scale(.985)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}@media (width<=980px){.site-header{grid-template-columns:auto 1fr auto;padding:0 20px}.site-nav{justify-self:center}.site-nav button{padding:0 11px;font-size:0}.site-nav button svg{width:18px;height:18px}.site-nav button>span{font-size:8px;position:absolute;transform:translate(10px,-12px)}.stealth-chip{display:none}.hero-section{grid-template-columns:1fr 340px;gap:38px}.subject-grid{grid-template-columns:1fr 1fr}.subject-card:last-child{grid-column:1/-1}.table-head,.table-row{grid-template-columns:minmax(250px,1fr) 100px 70px 70px 50px}}@media (width<=720px){.site-header{-webkit-backdrop-filter:none;backdrop-filter:none;grid-template-columns:1fr auto;height:auto;min-height:66px;padding:10px 16px}.brand small{display:none}.site-nav{z-index:30;border-radius:14px;justify-content:space-around;padding:5px;position:fixed;bottom:12px;left:12px;right:12px;box-shadow:0 10px 35px #0000002e}.site-nav button{justify-content:center;min-width:58px;height:43px;padding:0}.header-actions{grid-column:2}.home-page,.inner-page,.site-footer{width:min(100% - 32px,1184px)}.hero-section{grid-template-columns:1fr;gap:38px;min-height:auto;padding:58px 0 55px}.hero-copy h1{font-size:43px}.hero-copy>p{font-size:14px}.hero-actions{flex-direction:column;align-items:start}.hero-panel{min-height:340px}.section-title{align-items:start;gap:12px}.section-title>p{display:none}.subject-grid{grid-template-columns:1fr}.subject-card:last-child{grid-column:auto}.how-section{grid-template-columns:1fr}.how-section>div{border-right:0;border-bottom:1px solid var(--border)}.how-section>div:last-child{border-bottom:0}.inner-page{padding-top:48px}.admin-summary,.import-panel{grid-template-columns:1fr}.license-panel-head{align-items:start}.license-generator{grid-template-columns:1fr 1fr}.license-generator .primary-action{grid-column:1/-1}.license-table{overflow-x:auto}.license-head,.license-row{min-width:680px}.import-actions{flex-wrap:wrap}.question-table{overflow-x:auto}.table-head,.table-row{min-width:760px}.style-grid{grid-template-columns:1fr 1fr}.setup-dialog>footer{flex-direction:column;align-items:stretch}.setup-dialog>footer .primary-action{width:100%;margin-left:0}.site-footer{flex-direction:column;justify-content:center;align-items:start;gap:6px;min-height:120px;padding-bottom:66px}.dialog-backdrop{place-items:end stretch;padding:0}.setup-dialog,.activation-dialog{border-radius:20px 20px 0 0;width:100%;max-width:100%;max-height:94dvh}}@media (width<=460px){.brand-symbol{width:36px;height:36px}.hero-copy h1{font-size:38px}.hero-actions .primary-action{width:100%}.subject-section{padding-top:54px}.section-title h2{font-size:26px}.subject-card{min-height:300px}.dialog-backdrop{place-items:end stretch;padding:0}.setup-dialog{border-radius:20px 20px 0 0;width:100%;max-width:100%;max-height:94dvh}.activation-dialog{border-radius:20px 20px 0 0;width:100%;max-width:100%}.setup-dialog>header{padding:17px}.setup-body{padding:18px 17px}.style-grid,.launch-mode-grid{grid-template-columns:1fr}.style-card{min-height:66px}.shortcut-card{align-items:start}.shortcut-card span{line-height:2.2}.license-panel-head{flex-direction:column;align-items:stretch}.license-generator{grid-template-columns:1fr}.license-generator .primary-action{grid-column:auto}.setup-dialog>footer{padding:15px 17px}.collection-card>header{align-items:start;gap:12px}.collection-card>header button{white-space:nowrap}.question-row{grid-template-columns:30px minmax(0,1fr)}.question-row small,.cover-search,.cover-screen header>span{display:none}.cover-layout{grid-template-columns:58px 1fr}}.account-login{border:1px solid var(--line);background:var(--panel);min-height:38px;color:var(--ink);cursor:pointer;border-radius:10px;align-items:center;gap:7px;padding:0 14px;font-weight:700;display:inline-flex}.account-chip{border:1px solid var(--line);background:var(--panel);border-radius:10px;align-items:center;gap:7px;min-height:38px;padding:0 8px 0 11px;font-size:12px;display:flex}.account-chip span{text-overflow:ellipsis;white-space:nowrap;max-width:140px;overflow:hidden}.account-chip button{border:0;border-left:1px solid var(--line);color:var(--muted);cursor:pointer;background:0 0;padding:4px 6px 4px 10px}.formal-activation{max-height:min(760px,92vh);overflow:auto}.activation-tabs{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;padding:18px 24px 0;display:grid}.activation-tabs>button{border:1px solid var(--line);background:var(--panel);min-width:0;min-height:66px;color:var(--ink);text-align:left;cursor:pointer;border-radius:12px;align-items:center;gap:10px;padding:12px;transition:all .2s;display:flex}.activation-tabs>button.active{color:#1d4ed8;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}.activation-tabs span{gap:3px;display:grid}.activation-tabs small{color:var(--muted);font-size:11px}.formal-activation form{gap:13px;display:grid}.formal-activation form>label{gap:7px;font-size:13px;font-weight:700;display:grid}.formal-activation form>label>input{border:1px solid var(--line);background:var(--panel);height:45px;color:var(--ink);border-radius:10px;outline:none;padding:0 13px}.formal-activation form>label>input:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}.auth-switch{background:var(--soft);border-radius:10px;grid-template-columns:1fr 1fr;padding:4px;display:grid}.auth-switch button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;padding:9px;font-weight:700}.auth-switch button.active{color:var(--ink);background:var(--panel);box-shadow:0 1px 4px #0f172a1a}.signed-account,.activation-policy{background:var(--soft);color:var(--muted);border-radius:10px;align-items:center;gap:9px;padding:11px 12px;font-size:12px;display:flex}.activation-policy{align-items:flex-start;line-height:1.55}.activation-policy svg{color:#176b4d;flex:none;margin-top:1px}.account-dialog{border:1px solid var(--border);background:var(--surface);width:min(440px,100vw - 32px);color:var(--text);border-radius:20px;overflow:hidden;box-shadow:0 28px 90px #0b261d3d}.account-dialog>header{border-bottom:1px solid var(--border);align-items:center;gap:13px;min-height:88px;padding:19px 22px;display:flex}.account-dialog>header>div:nth-child(2){flex:1;min-width:0}.account-dialog>header span{color:var(--primary);letter-spacing:.12em;font:800 9px ui-monospace,monospace}.account-dialog>header h2{letter-spacing:-.03em;margin:4px 0 0;font-size:20px}.account-dialog-mark{background:var(--primary-soft);width:43px;height:43px;color:var(--primary);border-radius:13px;place-items:center;display:grid}.account-auth-switch{margin:18px 22px 0}.account-dialog form{padding:20px 22px 24px;display:grid}.account-intro{color:var(--text-secondary);margin:0 0 18px;font-size:12px;line-height:1.7}.account-dialog form>label{color:var(--text-secondary);margin:0 0 7px;font-size:12px;font-weight:750}.account-field{border:1px solid var(--border);background:var(--surface);min-height:48px;color:var(--text-tertiary);border-radius:11px;align-items:center;gap:10px;margin-bottom:16px;padding:0 13px;transition:border-color .2s,box-shadow .2s,color .2s;display:flex}.account-field:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 13%, transparent);color:var(--primary)}.account-field.error{border-color:var(--danger)}.account-field input{min-width:0;color:var(--text);font:inherit;background:0 0;border:0;outline:0;flex:1;font-size:16px}.account-field input::placeholder{color:var(--text-tertiary)}.account-field>button{width:36px;height:44px;color:var(--text-tertiary);cursor:pointer;background:0 0;border:0;place-items:center;margin-right:-9px;display:grid}.account-error{color:var(--danger);align-items:flex-start;gap:7px;margin:-4px 0 14px;font-size:11px;line-height:1.55;display:flex}.account-error svg{flex:none;margin-top:1px}.account-submit{justify-content:center;width:100%;min-height:48px}.account-note{color:var(--text-tertiary);text-align:center;margin-top:12px;font-size:10px;line-height:1.6}.practice-loading{color:#64748b;background:#f8fafc;place-content:center;justify-items:center;gap:14px;min-height:100vh;display:grid}.practice-loading span{border:3px solid #dbeafe;border-top-color:#2563eb;border-radius:50%;width:32px;height:32px;animation:.8s linear infinite yinxi-spin}@keyframes yinxi-spin{to{transform:rotate(360deg)}}.admin-shell{color:#172033;background:#f4f7fb;grid-template-columns:244px minmax(0,1fr);min-height:100vh;display:grid}.admin-sidebar{color:#e5e7eb;background:#111827;flex-direction:column;height:100vh;padding:24px 16px;display:flex;position:sticky;top:0}.admin-brand{border-bottom:1px solid #ffffff1a;align-items:center;gap:11px;padding:0 8px 25px;display:flex}.admin-brand>span{color:#fff;background:#2563eb;border-radius:10px;place-items:center;width:38px;height:38px;display:grid}.admin-brand div{gap:3px;display:grid}.admin-brand small{color:#94a3b8;font-size:11px}.admin-sidebar nav{gap:7px;padding-top:20px;display:grid}.admin-sidebar nav button,.admin-logout{color:#aeb8c8;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:10px;width:100%;padding:11px 12px;font-weight:700;display:flex}.admin-sidebar nav button.active{color:#fff;background:#2563eb}.admin-security{color:#93c5fd;border:1px solid #ffffff1a;border-radius:10px;align-items:flex-start;gap:9px;margin-top:auto;padding:12px;display:flex}.admin-security span{gap:3px;display:grid}.admin-security b{color:#dbeafe;font-size:12px}.admin-security small{color:#94a3b8;font-size:10px}.admin-logout{margin-top:10px}.admin-logout:hover{color:#fff;background:#ffffff12}.admin-main{min-width:0;padding:32px clamp(22px,4vw,58px) 60px}.admin-topbar{justify-content:space-between;align-items:flex-end;margin-bottom:26px;display:flex}.admin-topbar span{color:#2563eb;letter-spacing:.12em;font-size:11px;font-weight:800}.admin-topbar h1{margin:6px 0 0;font-size:29px}.admin-topbar a{color:#475569;background:#fff;border:1px solid #dbe2ec;border-radius:9px;align-items:center;gap:7px;padding:9px 12px;font-size:13px;text-decoration:none;display:inline-flex}.admin-alert{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:9px;align-items:center;gap:8px;margin-bottom:14px;padding:11px 13px;font-size:13px;display:flex}.admin-alert.error{color:#b91c1c;background:#fef2f2;border-color:#fecaca}.admin-metrics{grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px;display:grid}.admin-metrics>div{background:#fff;border:1px solid #e2e8f0;border-radius:12px;grid-template-columns:auto 1fr;align-items:center;gap:5px 9px;padding:18px;display:grid}.admin-metrics svg{color:#2563eb;grid-row:span 2}.admin-metrics span{color:#64748b;font-size:12px}.admin-metrics strong{font-size:24px}.admin-panel{background:#fff;border:1px solid #e2e8f0;border-radius:14px;margin-top:18px;padding:22px;box-shadow:0 8px 28px #0f172a0a}.panel-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;display:flex}.panel-heading h2{margin:0 0 5px;font-size:18px}.panel-heading p{color:#64748b;margin:0;font-size:12px}.panel-actions{gap:8px;display:flex}.panel-actions button,.panel-actions label{color:#334155;cursor:pointer;background:#fff;border:1px solid #dbe2ec;border-radius:8px;align-items:center;gap:7px;padding:9px 12px;font-size:12px;font-weight:700;display:inline-flex}.panel-actions label{color:#fff;background:#2563eb;border-color:#2563eb}.panel-actions input{display:none}.code-generator-form{background:#f8fafc;border-radius:11px;grid-template-columns:1.2fr .7fr 1fr 1fr auto;align-items:end;gap:12px;padding:16px;display:grid}.code-generator-form label{color:#475569;gap:6px;font-size:11px;font-weight:700;display:grid}.code-generator-form select,.code-generator-form input{color:#172033;background:#fff;border:1px solid #dbe2ec;border-radius:8px;height:39px;padding:0 10px}.code-generator-form>button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:8px;height:39px;padding:0 17px;font-weight:800}.generated-codes{border:1px solid #bfdbfe;border-radius:11px;margin-top:15px;overflow:hidden}.generated-codes header{background:#eff6ff;justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.generated-codes header>div{align-items:center;gap:8px;display:flex}.generated-codes header span{display:grid}.generated-codes small{color:#64748b;font-size:10px}.generated-codes button{color:#1d4ed8;cursor:pointer;background:#fff;border:1px solid #bfdbfe;border-radius:7px;align-items:center;gap:5px;padding:7px 9px;display:inline-flex}.generated-codes pre{color:#dbeafe;background:#0f172a;max-height:220px;margin:0;padding:16px;font:13px/1.75 ui-monospace,monospace;overflow:auto}.admin-table{overflow-x:auto}.admin-table-head,.admin-table-row{border-bottom:1px solid #eef2f7;align-items:center;gap:12px;min-width:740px;display:grid}.code-list .admin-table-head,.code-list .admin-table-row{grid-template-columns:1.1fr 1.2fr .8fr .6fr .8fr .6fr}.question-list .admin-table-head,.question-list .admin-table-row{grid-template-columns:minmax(280px,2.8fr) 1fr .7fr .7fr .5fr}.admin-table-head{color:#64748b;background:#f8fafc;padding:9px 10px;font-size:11px;font-weight:800}.admin-table-row{padding:13px 10px;font-size:12px}.admin-table-row code{color:#1e40af}.admin-table-row>span:first-child{min-width:0}.admin-table-row>span:first-child b{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:12px;display:-webkit-box;overflow:hidden}.admin-table-row>span:first-child small{color:#94a3b8;margin-top:4px;display:block}.admin-status{color:#475569;background:#f1f5f9;border-radius:999px;padding:4px 7px;font-size:10px;font-style:normal}.admin-status.active{color:#166534;background:#dcfce7}.admin-status.disabled{color:#b91c1c;background:#fee2e2}.table-action{color:#2563eb;cursor:pointer;background:0 0;border:0;font-weight:700}.table-action.danger{color:#dc2626}.admin-login-page{color:#172033;background:radial-gradient(circle at 20% 10%,#dbeafe,#0000 32%),#f4f7fb;place-items:center;min-height:100vh;padding:28px;display:grid}.admin-back{color:#475569;align-items:center;gap:7px;font-size:13px;text-decoration:none;display:inline-flex;position:fixed;top:22px;left:24px}.admin-login-card{background:#fff;border:1px solid #dbe2ec;border-radius:17px;width:min(430px,100%);padding:32px;box-shadow:0 24px 70px #0f172a1f}.admin-login-icon{color:#fff;background:#2563eb;border-radius:12px;place-items:center;width:48px;height:48px;margin-bottom:20px;display:grid}.admin-login-card>span{color:#2563eb;letter-spacing:.13em;font-size:10px;font-weight:900}.admin-login-card h1{margin:7px 0 8px;font-size:26px}.admin-login-card>p{color:#64748b;margin:0 0 23px;font-size:13px;line-height:1.7}.admin-login-card form{gap:15px;display:grid}.admin-login-card label{color:#334155;gap:7px;font-size:12px;font-weight:800;display:grid}.admin-login-card input{border:1px solid #cbd5e1;border-radius:9px;outline:none;width:100%;height:44px;padding:0 12px}.admin-login-card input:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1c}.admin-code-input{position:relative}.admin-code-input svg{color:#64748b;position:absolute;top:13px;left:12px}.admin-code-input input{padding-left:39px}.admin-login-card form>button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:9px;height:45px;font-weight:800}.login-error{color:#b91c1c;background:#fef2f2;border-radius:8px;align-items:center;gap:7px;padding:9px 10px;font-size:12px;display:flex}.admin-login-card footer{color:#64748b;border-top:1px solid #eef2f7;align-items:center;gap:7px;margin-top:20px;padding-top:17px;font-size:11px;display:flex}.mobile-practice{color:#152033;min-height:100dvh;padding-bottom:calc(88px + env(safe-area-inset-bottom));background:#f7f9fc}.mobile-practice-head{height:62px;padding:env(safe-area-inset-top) 12px 0;background:#fff;border-bottom:1px solid #edf0f5;grid-template-columns:42px 1fr 42px;align-items:center;display:grid}.mobile-practice-head button{color:#475569;background:0 0;border:0;border-radius:10px;place-items:center;width:40px;height:40px;display:grid}.mobile-practice-head button.favorite{color:#2563eb}.mobile-practice-head div{justify-items:center;gap:2px;display:grid}.mobile-practice-head b{font-size:15px}.mobile-practice-head span{color:#94a3b8;font-size:10px}.mobile-progress{background:#e8edf5;height:3px}.mobile-progress i{background:#2563eb;height:100%;transition:width .25s;display:block}.mobile-question-wrap{padding:24px 18px}.mobile-question-meta{align-items:center;gap:8px;display:flex}.mobile-question-meta span,.mobile-question-meta small{color:#1d4ed8;background:#eaf2ff;border-radius:6px;padding:4px 8px;font-size:10px;font-weight:800}.mobile-question-meta small{color:#64748b;background:#f1f5f9}.mobile-question-wrap h1{letter-spacing:-.01em;margin:16px 0 22px;font-size:20px;line-height:1.65}.mobile-options{gap:11px;display:grid}.mobile-options button{color:#253149;text-align:left;background:#fff;border:1px solid #dfe5ed;border-radius:13px;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;width:100%;min-height:58px;padding:11px 13px;font-size:14px;line-height:1.5;display:grid}.mobile-options button b{color:#64748b;background:#f1f5f9;border-radius:9px;place-items:center;width:31px;height:31px;font-size:12px;display:grid}.mobile-options button.selected{background:#f5f9ff;border-color:#2563eb;box-shadow:0 0 0 2px #2563eb14}.mobile-options button.selected b{color:#fff;background:#2563eb}.mobile-options button.correct{background:#f0fdf4;border-color:#16a34a}.mobile-options button.correct b{color:#fff;background:#16a34a}.mobile-options button.wrong{background:#fef2f2;border-color:#dc2626}.mobile-options button.wrong b{color:#fff;background:#dc2626}.mobile-analysis{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:12px;margin-top:17px;padding:14px}.mobile-analysis.wrong{color:#9a3412;background:#fff7ed;border-color:#fed7aa}.mobile-analysis header{align-items:center;gap:7px;display:flex}.mobile-analysis p{margin:8px 0 0;font-size:13px;line-height:1.65}.mobile-practice-action{padding:11px 16px calc(11px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff5;border-top:1px solid #e8edf3;position:fixed;bottom:0;left:0;right:0}.mobile-practice-action button{color:#fff;background:#2563eb;border:0;border-radius:12px;justify-content:center;align-items:center;gap:4px;width:100%;min-height:49px;font-size:15px;font-weight:800;display:flex}.mobile-practice-action button:disabled{background:#cbd5e1}.mobile-empty{text-align:center;place-content:center;justify-items:center;padding:80px 24px;display:grid}.mobile-empty h1{font-size:21px}.mobile-empty p{color:#64748b}.mobile-empty button{color:#fff;background:#2563eb;border:0;border-radius:10px;padding:11px 18px}@media (width<=900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{flex-direction:row;align-items:center;gap:10px;height:auto;padding:14px;position:static}.admin-brand{border:0;padding:0 12px 0 0}.admin-brand small,.admin-security{display:none}.admin-sidebar nav{padding:0;display:flex}.admin-logout{width:auto;margin:0 0 0 auto}.admin-main{padding:24px 16px 50px}.admin-metrics,.code-generator-form{grid-template-columns:repeat(2,1fr)}.code-generator-form>button{grid-column:span 2}}@media (width<=720px){.site-header{height:auto;min-height:64px;padding:10px 14px}.brand small{display:none}.header-actions{display:flex;position:absolute;top:12px;right:14px}.account-chip span,.theme-button{display:none}.account-login{padding:0 10px;font-size:12px}.site-nav{border-top:0;grid-template-columns:repeat(3,1fr);width:auto;padding:5px;display:grid}.site-nav button{justify-content:center}.hero{padding-top:46px}.hero-copy h1{font-size:clamp(44px,14vw,68px)}.hero-panel{margin-top:20px}.subject-section,.how-section{scroll-margin-top:112px}.subject-grid,.how-section{grid-template-columns:1fr}.activation-dialog{width:calc(100% - 20px)}.activation-tabs{grid-template-columns:minmax(0,1fr);padding-inline:16px}.activation-tabs>button{align-items:center}.formal-activation,.formal-activation form,.formal-activation form>*{min-width:0}.formal-activation form{width:100%;padding-inline:16px}.formal-activation .activation-input input{width:0}.dialog-backdrop{align-items:flex-end;padding:0}.formal-activation{border-radius:18px 18px 0 0;width:100vw;max-width:100vw;max-height:92dvh;overflow-x:hidden}.admin-topbar{align-items:flex-start}.admin-topbar h1{font-size:24px}.admin-metrics{grid-template-columns:1fr 1fr;gap:9px}.admin-metrics>div{padding:13px}.admin-panel{padding:15px}.panel-heading{flex-direction:column;align-items:flex-start}.panel-actions{width:100%}.panel-actions>*{flex:1;justify-content:center}.code-generator-form{grid-template-columns:1fr}.code-generator-form>button{grid-column:auto}.admin-sidebar{overflow-x:auto}.admin-brand div{display:none}.admin-sidebar nav button,.admin-logout{white-space:nowrap}.generated-codes header{align-items:flex-start;gap:10px}.generated-codes header>div:last-child{flex-direction:column}.auth-backdrop{align-items:flex-end;padding:0}.account-dialog{width:100vw;max-width:100vw;padding-bottom:env(safe-area-inset-bottom);border-radius:20px 20px 0 0}.account-dialog>header{min-height:78px;padding-inline:18px}.account-auth-switch{margin-inline:18px}.account-dialog form{padding-inline:18px}.account-field{min-height:50px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.hero{grid-template-columns:minmax(0,1.35fr) minmax(330px,.65fr);align-items:center;gap:clamp(42px,6vw,78px);min-height:440px;padding:62px 0 54px;display:grid}.hero-copy>button{background:var(--primary);color:#fff;border-radius:10px;align-items:center;gap:8px;min-height:46px;margin-top:28px;padding:0 18px;font-weight:700;transition:transform .18s,background .18s;display:inline-flex}.hero-copy>button:hover{background:var(--primary-hover);transform:translateY(-1px)}.hero-panel{border-radius:20px;flex-direction:column;justify-content:space-between;min-height:228px;padding:25px;display:flex}.hero-panel:before{border-width:48px;width:210px;height:210px;top:-100px;right:-105px}.subject-section{padding-top:56px}@media (width<=900px){.hero{grid-template-columns:minmax(0,1fr) 310px;gap:30px}}@media (width<=720px){.hero{grid-template-columns:1fr;gap:22px;min-height:auto;padding:42px 0}.hero-copy>button{justify-content:center;width:100%;margin-top:22px}.hero-panel{min-height:170px;margin-top:0}.subject-section{padding-top:46px}}.subject-progress{background:var(--surface-soft);border-radius:7px;height:22px;margin-top:18px;position:relative;overflow:hidden}.subject-progress i{border-radius:inherit;background:color-mix(in srgb, var(--subject) 78%, white);position:absolute;inset:0 auto 0 0}.subject-progress span{z-index:1;height:100%;color:var(--text-secondary);align-items:center;padding:0 8px;font-size:9px;font-weight:700;display:flex;position:relative}.study-center{width:min(1180px,100% - 40px);margin:0 auto;padding:28px 0 70px}.study-back-row{min-height:44px;color:var(--text-tertiary);justify-content:space-between;align-items:center;margin-bottom:14px;font-size:11px;display:flex}.study-back-row button{min-height:44px;color:var(--text-secondary);background:0 0;align-items:center;gap:7px;padding:0 10px 0 0;font-size:12px;font-weight:700;display:inline-flex}.study-back-row button:hover{color:var(--primary)}.study-overview{border:1px solid var(--border);background:linear-gradient(135deg, color-mix(in srgb, var(--subject-tint) 72%, var(--surface)), var(--surface) 62%);box-shadow:var(--shadow-sm);border-radius:22px;grid-template-columns:minmax(0,1.25fr) 138px;gap:24px 34px;padding:30px;display:grid;position:relative;overflow:hidden}.study-overview:after{content:"";border:46px solid color-mix(in srgb, var(--subject) 8%, transparent);pointer-events:none;border-radius:50%;width:280px;height:280px;position:absolute;bottom:-128px;right:-92px}.study-overview-copy{align-items:center;gap:17px;min-width:0;display:flex}.study-subject-mark .subject-icon{background:color-mix(in srgb, var(--subject) 11%, var(--surface));width:60px;height:60px;color:var(--subject);border-radius:17px}.study-overview-copy>div:last-child>span,.practice-mode-section>header span,.notes-sheet header span{color:var(--subject);letter-spacing:.12em;font-size:10px;font-weight:900}.study-overview-copy h1{letter-spacing:-.035em;margin:5px 0 7px;font-size:clamp(26px,3vw,38px)}.study-overview-copy p{max-width:650px;color:var(--text-secondary);margin:0;font-size:12px;line-height:1.7}.study-source-note{border:1px solid color-mix(in srgb, var(--subject) 18%, var(--border));background:color-mix(in srgb, var(--subject-tint) 62%, var(--surface));max-width:720px;color:var(--text-secondary);border-radius:11px;align-items:flex-start;gap:8px;margin-top:12px;padding:10px 12px;font-size:11px;line-height:1.55;display:flex}.study-source-note svg{color:var(--subject);flex:none;margin-top:1px}.study-source-note span{color:inherit!important;font-size:inherit!important;letter-spacing:0!important;font-weight:500!important}.study-source-note b{color:var(--subject);margin-right:6px}.study-source-links{flex-wrap:wrap;align-items:center;gap:6px;max-width:760px;margin-top:9px;display:flex}.study-source-links>b{color:var(--text-secondary);margin-right:3px;font-size:10px}.study-source-links a{border:1px solid color-mix(in srgb, var(--subject) 16%, var(--border));background:color-mix(in srgb, var(--surface) 86%, transparent);color:var(--subject);border-radius:7px;align-items:center;gap:4px;padding:5px 8px;font-size:10px;text-decoration:none;display:inline-flex}.study-source-links a:hover{border-color:var(--subject)}.study-progress-ring{z-index:1;background:conic-gradient(var(--subject) var(--progress), color-mix(in srgb, var(--border) 75%, transparent) 0);border-radius:50%;place-self:center;place-items:center;width:118px;height:118px;display:grid;position:relative}.study-progress-ring:before{content:"";background:var(--surface);border-radius:50%;position:absolute;inset:9px}.study-progress-ring>div{justify-items:center;gap:2px;display:grid;position:relative}.study-progress-ring b{color:var(--text);font-variant-numeric:tabular-nums;font-size:23px}.study-progress-ring span{color:var(--text-tertiary);font-size:9px}.study-stats{grid-column:1/-1;grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.study-stats>div{border:1px solid color-mix(in srgb, var(--border) 82%, transparent);background:color-mix(in srgb, var(--surface) 88%, transparent);border-radius:12px;align-items:center;gap:10px;min-height:64px;padding:12px 14px;display:flex}.study-stats svg{color:var(--subject)}.study-stats span{gap:2px;display:grid}.study-stats b{font-variant-numeric:tabular-nums;font-size:20px}.study-stats small{color:var(--text-tertiary);font-size:9px}.study-progress-line{background:color-mix(in srgb, var(--border) 70%, transparent);border-radius:999px;grid-column:1/-1;height:22px;position:relative;overflow:hidden}.study-progress-line i{border-radius:inherit;background:var(--subject);transition:width .25s;position:absolute;inset:0 auto 0 0}.study-progress-line span{z-index:1;height:100%;color:var(--text-secondary);font-variant-numeric:tabular-nums;align-items:center;padding:0 10px;font-size:9px;font-weight:800;display:flex;position:relative}.practice-mode-section{padding-top:34px}.practice-mode-section>header{justify-content:space-between;align-items:end;margin-bottom:16px;display:flex}.practice-mode-section h2{margin:5px 0 0;font-size:24px}.practice-mode-section>header p{color:var(--text-tertiary);margin:0;font-size:11px}.practice-mode-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.practice-mode-card{border:1px solid var(--border);background:var(--surface);text-align:left;min-height:104px;box-shadow:var(--shadow-sm);border-radius:15px;grid-template-rows:1fr auto;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:3px 12px;padding:16px;transition:border-color .18s,background .18s,transform .18s;display:grid}.practice-mode-card:hover:not(:disabled){border-color:color-mix(in srgb, var(--mode-color) 45%, var(--border));background:color-mix(in srgb, var(--mode-soft) 38%, var(--surface));transform:translateY(-2px)}.practice-mode-card:active:not(:disabled){transform:scale(.99)}.practice-mode-card>i{background:var(--mode-soft);width:44px;height:44px;color:var(--mode-color);border-radius:13px;grid-row:1/3;place-items:center;font-style:normal;display:grid}.practice-mode-card>span{gap:5px;min-width:0;display:grid}.practice-mode-card b{font-size:13px}.practice-mode-card small{color:var(--text-tertiary);font-size:9px;line-height:1.4}.practice-mode-card>em{color:var(--mode-color);font-size:9px;font-style:normal;font-weight:800}.practice-mode-card>svg{color:var(--text-tertiary);grid-area:1/3/3}.practice-mode-card.tone-green{--mode-color:#17855c;--mode-soft:#e9f7f0}.practice-mode-card.tone-blue{--mode-color:#3569c8;--mode-soft:#edf3ff}.practice-mode-card.tone-red{--mode-color:#b95854;--mode-soft:#fff0ef}.practice-mode-card.tone-violet{--mode-color:#795bb4;--mode-soft:#f3effb}.practice-mode-card.tone-amber{--mode-color:#a36622;--mode-soft:#fff4e6}.practice-mode-card.tone-slate{--mode-color:#526579;--mode-soft:#edf1f5}[data-theme=dark] .practice-mode-card{--mode-soft:var(--surface-soft)}.practice-mode-card:disabled{box-shadow:none}.practice-mode-grid.is-loading .practice-mode-card:not(:last-child):after{content:"";border-radius:inherit;background:linear-gradient(100deg, transparent 30%, color-mix(in srgb, var(--surface) 82%, transparent) 50%, transparent 70%);pointer-events:none;animation:1.35s ease-in-out infinite study-shimmer;position:absolute;inset:0}.practice-mode-grid.is-loading .practice-mode-card{position:relative;overflow:hidden}@keyframes study-shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.study-resume{border:1px solid var(--border);background:var(--surface);border-radius:14px;justify-content:space-between;align-items:center;gap:16px;margin-top:16px;padding:16px 18px;display:flex}.study-resume>div{align-items:center;gap:12px;display:flex}.study-resume>div>svg{color:var(--subject)}.study-resume span{gap:4px;display:grid}.study-resume b{font-size:12px}.study-resume small{color:var(--text-tertiary);font-size:9px}.study-resume>button{background:var(--subject);color:#fff;border-radius:9px;align-items:center;gap:6px;min-height:42px;padding:0 15px;font-size:11px;font-weight:800;display:flex}.notes-center{max-width:960px}.notes-sheet{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);border-radius:18px;overflow:hidden}.notes-sheet>header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:25px 28px;display:flex}.notes-sheet h1{margin:5px 0 7px;font-size:27px}.notes-sheet p{color:var(--text-secondary);margin:0;font-size:11px}.notes-sheet header>svg{color:var(--primary)}.notes-sheet textarea{resize:vertical;background:var(--surface);width:100%;min-height:480px;color:var(--text);border:0;outline:none;padding:28px;font:14px/1.9 Microsoft YaHei,sans-serif}.notes-sheet textarea::placeholder{color:var(--text-tertiary)}.notes-sheet>footer{border-top:1px solid var(--border);min-height:42px;color:var(--text-tertiary);align-items:center;gap:7px;padding:0 28px;font-size:10px;display:flex}@media (width<=900px){.practice-mode-grid{grid-template-columns:repeat(2,1fr)}.study-overview{grid-template-columns:1fr 118px}.study-stats{grid-template-columns:repeat(2,1fr)}}@media (width<=720px){.study-center{width:min(100% - 28px,620px);padding-top:18px}.study-back-row{margin-bottom:8px}.study-overview{border-radius:17px;grid-template-columns:1fr;gap:18px;padding:20px}.study-overview-copy{align-items:flex-start}.study-subject-mark .subject-icon{border-radius:14px;width:48px;height:48px}.study-overview-copy h1{font-size:27px}.study-progress-ring{opacity:.16;width:96px;height:96px;position:absolute;top:18px;right:18px}.study-progress-ring:before{inset:8px}.study-progress-ring>div{display:none}.study-stats{grid-template-columns:repeat(2,1fr);gap:8px}.study-stats>div{min-height:59px;padding:10px}.practice-mode-section{padding-top:26px}.practice-mode-section>header{align-items:flex-start}.practice-mode-section>header p{text-align:right;max-width:130px;line-height:1.45}.practice-mode-grid{grid-template-columns:1fr;gap:9px}.practice-mode-card{min-height:88px;padding:13px}.study-resume{flex-direction:column;align-items:stretch}.study-resume>button{justify-content:center}.notes-sheet>header{padding:20px}.notes-sheet textarea{min-height:56dvh;padding:20px;font-size:16px}.notes-sheet>footer{padding:0 20px}}.practice-display-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px;display:grid}.practice-display-card{border:1px solid var(--border);background:var(--surface);text-align:left;border-radius:12px;grid-template-columns:42px minmax(0,1fr) 20px;align-items:center;gap:11px;min-height:84px;padding:14px;transition:border-color .18s,background .18s;display:grid;position:relative}.practice-display-card:hover{background:var(--surface-soft)}.practice-display-card.selected{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 2px color-mix(in srgb, var(--primary) 8%, transparent)}.practice-display-card>i{background:var(--surface-soft);width:42px;height:42px;color:var(--primary);border-radius:11px;place-items:center;font-style:normal;display:grid}.practice-display-card.selected>i{background:var(--surface)}.practice-display-card>span{gap:5px;min-width:0;display:grid}.practice-display-card b{font-size:12px}.practice-display-card small{color:var(--text-tertiary);font-size:9px;line-height:1.45}.practice-display-card>svg{color:var(--primary)}.normal-mode-summary{border:1px solid var(--border);background:linear-gradient(145deg,var(--primary-soft),var(--surface) 70%);border-radius:13px;flex-direction:column;justify-content:center;gap:19px;min-height:208px;padding:20px;display:flex}.normal-mode-summary>div:first-child{align-items:flex-start;gap:11px;display:flex}.normal-mode-summary>div:first-child>svg{color:var(--primary)}.normal-mode-summary span{gap:5px;display:grid}.normal-mode-summary b{font-size:13px}.normal-mode-summary small{color:var(--text-secondary);font-size:10px;line-height:1.6}.normal-mode-points{grid-template-columns:repeat(3,1fr);gap:8px;display:grid!important}.normal-mode-points span{border:1px solid color-mix(in srgb,var(--border) 75%,transparent);background:color-mix(in srgb,var(--surface) 85%,transparent);min-height:48px;color:var(--text-secondary);border-radius:9px;align-items:center;gap:6px;padding:9px;font-size:9px;display:flex}.normal-mode-points svg{color:var(--primary);flex:none}.standard-practice{background:radial-gradient(circle at 10% 0%, color-mix(in srgb,var(--practice-tint) 65%,transparent),transparent 32%), var(--bg);min-height:100dvh;color:var(--text)}.standard-practice-head{border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);grid-template-columns:1fr auto 1fr;align-items:center;height:68px;padding:0 max(24px,50vw - 590px);display:grid}.standard-back{width:max-content;min-height:42px;color:var(--text-secondary);background:0 0;border-radius:9px;align-items:center;gap:7px;padding:0 10px;font-size:11px;font-weight:700;display:flex}.standard-back:hover{background:var(--surface-soft);color:var(--text)}.standard-brand{align-items:center;gap:9px;display:flex}.standard-brand>span{background:var(--primary);color:#fff;border-radius:10px;place-items:center;width:35px;height:35px;display:grid}.standard-brand>div{gap:2px;display:grid}.standard-brand b{font-size:12px}.standard-brand small{color:var(--text-tertiary);font-size:8px}.standard-head-meta{color:var(--text-secondary);justify-self:end;align-items:center;gap:8px;font-size:10px;display:flex}.standard-head-meta i{background:var(--text-tertiary);border-radius:50%;width:3px;height:3px}.standard-head-meta b{color:var(--practice-subject)}.standard-session-progress{background:var(--border);height:3px}.standard-session-progress i{background:var(--practice-subject);height:100%;transition:width .25s;display:block}.standard-practice-layout{grid-template-columns:minmax(0,1fr) 270px;align-items:start;gap:18px;width:min(1180px,100% - 40px);margin:0 auto;padding:42px 0 70px;display:grid}.standard-question-card,.standard-progress-card,.standard-session-card,.standard-shortcuts{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);border-radius:17px}.standard-question-card{flex-direction:column;min-height:590px;padding:30px;display:flex}.standard-question-card>header{color:var(--text-tertiary);justify-content:space-between;align-items:center;font-size:10px;display:flex}.standard-question-card>header>div{align-items:center;gap:8px;display:flex}.standard-question-card>header span,.standard-question-card>header small{background:color-mix(in srgb,var(--practice-tint) 72%,var(--surface));color:var(--practice-subject);border-radius:6px;padding:4px 8px;font-size:9px;font-weight:800}.standard-question-card>header small{background:var(--surface-soft);color:var(--text-secondary)}.standard-question-card h1{max-width:820px;color:var(--text);letter-spacing:-.018em;margin:25px 0 28px;font-size:clamp(19px,2vw,25px);line-height:1.65}.standard-options{grid-template-columns:1fr 1fr;gap:11px;display:grid}.standard-options button{border:1px solid var(--border);background:var(--surface);min-height:63px;color:var(--text);text-align:left;border-radius:12px;grid-template-columns:34px 1fr auto;align-items:center;gap:11px;padding:11px 13px;font-size:12px;line-height:1.5;transition:border-color .18s,background .18s;display:grid}.standard-options button:hover:not(:disabled){border-color:color-mix(in srgb,var(--practice-subject) 55%,var(--border));background:color-mix(in srgb,var(--practice-tint) 38%,var(--surface))}.standard-options button>b{background:var(--surface-soft);width:32px;height:32px;color:var(--text-secondary);border-radius:9px;place-items:center;font-size:11px;display:grid}.standard-options button.selected{border-color:var(--practice-subject);background:color-mix(in srgb,var(--practice-tint) 62%,var(--surface));box-shadow:0 0 0 2px color-mix(in srgb,var(--practice-subject) 8%,transparent)}.standard-options button.selected>b{background:var(--practice-subject);color:#fff}.standard-options button.correct{background:color-mix(in srgb,#eaf8f1 70%,var(--surface));border-color:#2c9a68}.standard-options button.correct>b{color:#fff;background:#2c9a68}.standard-options button.wrong{background:color-mix(in srgb,#fff0ef 70%,var(--surface));border-color:#c96762}.standard-options button.wrong>b{color:#fff;background:#c96762}.standard-analysis{background:color-mix(in srgb,#fff1ef 76%,var(--surface));color:#934640;border:1px solid #efc5c2;border-radius:11px;margin-top:18px;padding:15px 16px}.standard-analysis.correct{background:color-mix(in srgb,#edf9f3 76%,var(--surface));color:#236f4c;border-color:#b8e1cc}.standard-analysis header{align-items:center;gap:7px;display:flex}.standard-analysis p{margin:8px 0 0;font-size:11px;line-height:1.7}.question-source{opacity:.86;border-top:1px dashed;margin-top:10px;padding-top:9px;font-size:10px;line-height:1.55;display:block}.question-source b{margin-right:7px}.question-source.supplemental{color:#a15c16}.standard-question-card>footer{justify-content:space-between;gap:12px;margin-top:auto;padding-top:24px;display:flex}.standard-question-card>footer button{border-radius:9px;justify-content:center;align-items:center;gap:7px;min-height:43px;padding:0 15px;font-size:11px;font-weight:800;display:flex}.standard-favorite{border:1px solid var(--border);background:var(--surface);color:var(--text-secondary)}.standard-favorite:hover,.standard-favorite.active{border-color:var(--practice-subject);color:var(--practice-subject);background:color-mix(in srgb,var(--practice-tint) 45%,var(--surface))}.standard-primary{background:var(--practice-subject);color:#fff;border:0;min-width:135px}.standard-primary:disabled{background:var(--text-tertiary)}.standard-practice-side{gap:12px;display:grid}.standard-progress-card{padding:21px}.standard-progress-ring{background:conic-gradient(var(--practice-subject) var(--bank-progress),var(--border) 0);border-radius:50%;place-items:center;width:128px;height:128px;margin:0 auto 19px;display:grid}.standard-progress-ring:before{content:"";background:var(--surface);border-radius:50%;grid-area:1/1;width:106px;height:106px}.standard-progress-ring>span{z-index:1;grid-area:1/1;justify-items:center;gap:3px;display:grid}.standard-progress-ring b{font-variant-numeric:tabular-nums;font-size:24px}.standard-progress-ring small{color:var(--text-tertiary);font-size:8px}.standard-progress-numbers{grid-template-columns:1fr 1fr;gap:8px;display:grid}.standard-progress-numbers>div{background:var(--surface-soft);border-radius:10px;place-content:center;justify-items:center;gap:3px;min-height:57px;display:grid}.standard-progress-numbers b{font-size:17px}.standard-progress-numbers span{color:var(--text-tertiary);font-size:8px}.standard-session-card,.standard-shortcuts{padding:16px}.standard-session-card>header,.standard-shortcuts>header{border-bottom:1px solid var(--border);color:var(--practice-subject);align-items:center;gap:7px;padding-bottom:11px;font-size:10px;display:flex}.standard-session-card>div{min-height:35px;color:var(--text-tertiary);justify-content:space-between;align-items:center;font-size:9px;display:flex}.standard-session-card>div b{color:var(--text)}.standard-shortcuts p{color:var(--text-secondary);margin:11px 0 0;font-size:9px}.standard-shortcuts kbd{min-width:22px;height:20px;padding:0 5px;font-size:8px}@media (width<=900px){.standard-practice-layout{grid-template-columns:1fr}.standard-practice-side{grid-template-columns:repeat(3,1fr)}.standard-progress-card{align-items:center;gap:14px;display:flex}.standard-progress-ring{width:92px;height:92px;margin:0}.standard-progress-ring:before{width:76px;height:76px}.standard-progress-numbers{flex:1}.standard-practice-head{padding-inline:20px}}@media (width<=720px){.practice-display-grid{grid-template-columns:1fr}.normal-mode-summary{min-height:180px}.normal-mode-points{grid-template-columns:1fr}.standard-practice-head{grid-template-columns:1fr auto}.standard-brand,.standard-head-meta span,.standard-head-meta i{display:none}.standard-practice-layout{width:calc(100% - 24px);padding:20px 0 40px}.standard-question-card{min-height:calc(100dvh - 115px);padding:19px}.standard-options{grid-template-columns:1fr}.standard-practice-side{display:none}.standard-question-card h1{margin-block:20px;font-size:19px}.standard-question-card>footer{background:var(--surface);padding-top:16px;position:sticky;bottom:0}}:root{color:#18332b;--bg:#f4f6f1;--surface:#fff;--surface-soft:#eef2ec;--text:#18332b;--text-secondary:#526760;--text-tertiary:#7c8c86;--border:#dce5df;--primary:#176b4d;--primary-hover:#10583f;--primary-soft:#e7f2ec;--danger:#b34f48;--shadow-sm:0 1px 2px #1642320a,0 10px 30px #1642320e;--shadow-lg:0 34px 90px #1235292e;background:#f4f6f1}[data-theme=dark]{color:#edf7f1;--bg:#101814;--surface:#17231e;--surface-soft:#203029;--text:#edf7f1;--text-secondary:#b7c9c0;--text-tertiary:#84998f;--border:#2c4037;--primary:#71d5a9;--primary-hover:#92e7c0;--primary-soft:#213c31;background:#101814}.site-shell{background:var(--bg)}.site-header{background:color-mix(in srgb,var(--bg) 92%,transparent);height:74px}.brand-symbol{box-shadow:none;border-radius:12px}.site-nav{box-shadow:none}.site-nav button{min-height:40px}.site-nav button.active{color:var(--primary)}.dashboard-home{padding-bottom:80px}.dashboard-hero{grid-template-columns:minmax(0,1.55fr) minmax(290px,.65fr);gap:18px;padding:42px 0 18px;display:grid}.welcome-card,.daily-card,.metric-strip,.service-section{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm)}.welcome-card{border-radius:24px;min-height:334px;padding:clamp(28px,4vw,48px);position:relative;overflow:hidden}.welcome-card:after{content:"";border:46px solid var(--primary-soft);pointer-events:none;border-radius:50%;width:220px;height:220px;position:absolute;top:-72px;right:-58px}.welcome-card .eyebrow{color:var(--primary);letter-spacing:.08em;font-family:inherit;font-size:11px}.welcome-card h1{z-index:1;letter-spacing:-.045em;max-width:720px;margin:23px 0 16px;font-size:clamp(34px,4vw,52px);line-height:1.18;position:relative}.welcome-card>p{z-index:1;max-width:690px;color:var(--text-secondary);margin:0;font-size:14px;line-height:1.8;position:relative}.welcome-actions{z-index:1;gap:10px;margin-top:28px;display:flex;position:relative}.welcome-actions button,.review-actions button{background:var(--primary);color:#fff;border-radius:11px;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:0 18px;font-size:13px;font-weight:750;transition:background .2s,transform .2s;display:inline-flex}.welcome-actions button:hover,.review-actions button:hover{background:var(--primary-hover);transform:translateY(-1px)}.welcome-actions .ghost{border:1px solid var(--border);background:var(--surface);color:var(--text)}.welcome-actions .ghost:hover{background:var(--surface-soft)}.trust-row{z-index:1;color:var(--text-secondary);flex-wrap:wrap;gap:10px 18px;margin-top:24px;font-size:11px;display:flex;position:relative}.trust-row span{align-items:center;gap:6px;display:inline-flex}.trust-row svg{color:var(--primary)}.daily-card{border-radius:24px;flex-direction:column;min-height:334px;padding:24px;display:flex}.daily-card>header{justify-content:space-between;gap:12px;display:flex}.daily-card>header>div{gap:5px;display:grid}.daily-card header span{color:var(--text-tertiary);font-size:10px}.daily-card header b{font-size:15px}.daily-card .daily-badge{color:#8b5a11;background:#fff3df;border-radius:999px;align-items:center;width:max-content;height:25px;padding:0 8px;font-weight:750;display:inline-flex}[data-theme=dark] .daily-card .daily-badge{color:#ffd99e;background:#493719}.daily-ring{background:conic-gradient(var(--primary) var(--daily-progress),var(--surface-soft) 0);border-radius:50%;place-items:center;width:144px;height:144px;margin:22px auto 18px;display:grid;position:relative}.daily-ring:before{content:"";background:var(--surface);border-radius:50%;position:absolute;inset:11px}.daily-ring>div{align-items:baseline;gap:3px;display:flex;position:relative}.daily-ring strong{letter-spacing:-.05em;font-variant-numeric:tabular-nums;font-size:36px}.daily-ring span{color:var(--text-tertiary);font-size:11px}.daily-progress{background:var(--surface-soft);border-radius:999px;height:7px;overflow:hidden}.daily-progress i{border-radius:inherit;background:var(--primary);height:100%;transition:width .25s;display:block}.daily-card>footer{gap:5px;margin-top:auto;display:grid}.daily-card footer span{align-items:center;gap:6px;font-size:11px;font-weight:700;display:flex}.daily-card footer svg{color:#c77816}.daily-card footer small{color:var(--text-tertiary);font-size:9px}.metric-strip{border-radius:17px;grid-template-columns:repeat(4,1fr);margin:0 0 18px;display:grid}.metric-strip>div{border-right:1px solid var(--border);align-items:center;gap:13px;min-height:92px;padding:18px 22px;display:flex}.metric-strip>div:last-child{border-right:0}.metric-icon{border-radius:12px;flex:none;place-items:center;width:42px;height:42px;display:grid}.metric-icon.green{color:#176b4d;background:#e6f4ed}.metric-icon.amber{color:#9a5c17;background:#fff2dd}.metric-icon.blue{color:#3659a5;background:#eaf1ff}.metric-icon.violet{color:#6745a5;background:#f0ebff}.metric-strip p{gap:3px;margin:0;display:grid}.metric-strip b{font-variant-numeric:tabular-nums;font-size:22px}.metric-strip small{color:var(--text-tertiary);font-size:9px}.dashboard-home .subject-section{border-top:0;padding:52px 0 58px}.dashboard-home .section-title{align-items:center}.subject-card{min-height:355px;box-shadow:none;border-radius:18px;padding:23px}.subject-card:hover{transform:translateY(-3px)}.license-badge.preview{color:#85520e;background:#fff6e8;border-color:#f0d9b7}[data-theme=dark] .license-badge.preview{color:#ffd38d;background:#3a2e1d;border-color:#644921}.subject-card h3{margin-top:22px;font-size:22px}.subject-access{border-top:1px solid var(--border);grid-template-columns:1fr 1fr;margin-top:20px;padding:15px 0;display:grid}.subject-access>span{gap:3px;display:grid}.subject-access>span+span{border-left:1px solid var(--border);padding-left:16px}.subject-access b{font-variant-numeric:tabular-nums;font-size:18px}.subject-access small{color:var(--text-tertiary);font-size:9px}.subject-progress{height:26px;margin-top:0}.subject-progress span{font-size:9px}.service-section{border-radius:22px;overflow:hidden}.service-section>header{padding:28px 30px 22px}.service-section>header span{color:var(--primary);letter-spacing:.1em;font-size:10px;font-weight:800}.service-section>header h2{letter-spacing:-.03em;margin:8px 0 0;font-size:25px}.service-grid{border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);display:grid}.service-grid article{border-right:1px solid var(--border);gap:14px;min-height:170px;padding:26px;display:flex}.service-grid article:last-child{border-right:0}.service-grid article>span{background:var(--primary-soft);width:44px;height:44px;color:var(--primary);border-radius:12px;flex:none;place-items:center;display:grid}.service-grid article>div{align-content:start;display:grid}.service-grid b{font-size:14px}.service-grid p{color:var(--text-secondary);margin:8px 0 12px;font-size:11px;line-height:1.7}.service-grid small{color:var(--primary);font-size:9px;font-weight:750}.study-upgrade{border:1px dashed color-mix(in srgb,var(--subject) 30%,var(--border));background:color-mix(in srgb,var(--subject-tint) 48%,var(--surface));border-radius:12px;grid-column:1/-1;justify-content:space-between;align-items:center;gap:16px;min-height:64px;padding:12px 14px;display:flex}.study-upgrade>span{grid-template-columns:auto auto;align-items:center;gap:3px 7px;display:grid}.study-upgrade svg{color:var(--subject);grid-row:1/3}.study-upgrade b{font-size:11px}.study-upgrade small{color:var(--text-secondary);font-size:9px}.study-upgrade button{background:var(--subject);color:#fff;border-radius:9px;flex:none;align-items:center;gap:5px;min-height:40px;padding:0 12px;font-size:10px;font-weight:800;display:inline-flex}.practice-mode-card.is-premium{background:color-mix(in srgb,#fff6e8 48%,var(--surface));border-style:dashed}[data-theme=dark] .practice-mode-card.is-premium{background:color-mix(in srgb,#4a351c 35%,var(--surface))}.practice-mode-card.is-premium em{color:#976017;align-items:center;gap:4px;display:flex}.practice-display-card.premium{background:color-mix(in srgb,#fff6e8 45%,var(--surface));border-style:dashed}.review-page{width:min(1184px,100% - 48px);margin:0 auto;padding:52px 0 80px}.review-hero{grid-template-columns:minmax(0,1fr) 430px;align-items:center;gap:clamp(42px,7vw,88px);min-height:510px;display:grid}.review-hero h1{letter-spacing:-.05em;margin:22px 0 18px;font-size:clamp(37px,4.5vw,57px);line-height:1.17}.review-hero>div:first-child>p{max-width:610px;color:var(--text-secondary);margin:0;font-size:14px;line-height:1.85}.review-actions{align-items:center;gap:18px;margin-top:28px;display:flex}.review-actions>span{color:var(--text-secondary);align-items:center;gap:6px;font-size:10px;display:inline-flex}.review-actions>span svg{color:#b67416}.report-preview{border:1px solid var(--border);background:var(--surface);border-radius:22px;padding:24px;box-shadow:0 28px 70px #1642321f}.report-preview>header{border-bottom:1px solid var(--border);justify-content:space-between;padding-bottom:17px;display:flex}.report-preview header div{gap:5px;display:grid}.report-preview header span{color:var(--text-tertiary);font-size:9px}.report-preview header b{font-size:14px}.report-preview header em{background:var(--primary-soft);height:24px;color:var(--primary);border-radius:999px;align-items:center;padding:0 8px;font-size:9px;font-style:normal;display:inline-flex}.report-score{align-items:center;gap:14px;padding:21px 0;display:flex}.report-score strong{color:var(--primary);letter-spacing:-.07em;font-size:51px}.report-score>span{gap:4px;font-size:11px;font-weight:750;display:grid}.report-score small{color:var(--text-tertiary);font-size:9px;font-weight:400}.report-bars{gap:12px;display:grid}.report-bars p{grid-template-columns:64px 1fr 34px;align-items:center;gap:9px;margin:0;font-size:9px;display:grid}.report-bars p>span{color:var(--text-secondary)}.report-bars i{background:var(--surface-soft);border-radius:99px;height:7px;overflow:hidden}.report-bars i b{border-radius:inherit;background:var(--primary);height:100%;display:block}.report-bars em{color:var(--text-secondary);font-variant-numeric:tabular-nums;font-style:normal}.report-preview>footer{color:#85520e;background:#fff6e8;border-radius:11px;gap:10px;margin-top:22px;padding:14px;display:flex}.report-preview footer>p{gap:4px;margin:0;display:grid}.report-preview footer b{font-size:10px}.report-preview footer span{font-size:9px;line-height:1.5}[data-theme=dark] .report-preview>footer{color:#ffd38d;background:#392d1b}.review-steps{border:1px solid var(--border);background:var(--surface);border-radius:18px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.review-steps article{border-right:1px solid var(--border);min-height:160px;padding:25px}.review-steps article:last-child{border-right:0}.review-steps span{color:var(--primary);font:800 10px ui-monospace,monospace}.review-steps b{margin-top:24px;font-size:14px;display:block}.review-steps p{color:var(--text-secondary);margin:8px 0 0;font-size:11px;line-height:1.7}@media (width<=1020px){.dashboard-hero{grid-template-columns:1fr 300px}.metric-strip{grid-template-columns:repeat(2,1fr)}.metric-strip>div:nth-child(2){border-right:0}.metric-strip>div:nth-child(-n+2){border-bottom:1px solid var(--border)}.review-hero{grid-template-columns:1fr 360px;gap:36px}}@media (width<=720px){.site-header{align-items:start;min-height:118px;padding:10px 14px 8px}.site-nav{grid-template-columns:repeat(4,minmax(0,1fr));width:calc(100% - 28px);max-width:none;position:absolute;bottom:8px;left:14px;right:auto}.site-nav button{min-width:0;padding:0 5px;font-size:11px}.site-nav button>span{display:none}.account-login{white-space:nowrap;justify-content:center;min-width:88px}.dashboard-home,.review-page{width:min(100% - 28px,620px)}.dashboard-hero{grid-template-columns:1fr;padding-top:22px}.welcome-card{border-radius:19px;min-height:auto;padding:26px 22px}.welcome-card:after{opacity:.65;border-width:34px;width:150px;height:150px}.welcome-card h1{max-width:90%;margin-top:18px;font-size:34px}.welcome-actions{grid-template-columns:1fr 1fr;display:grid}.trust-row{gap:9px 12px}.daily-card{border-radius:19px;min-height:auto}.daily-ring{width:118px;height:118px;margin-block:15px}.daily-ring strong{font-size:30px}.metric-strip{grid-template-columns:1fr 1fr}.metric-strip>div{gap:9px;min-height:78px;padding:13px}.metric-icon{width:36px;height:36px}.metric-strip b{font-size:18px}.dashboard-home .subject-section{padding-top:40px}.dashboard-home .section-title{align-items:flex-start}.dashboard-home .section-title>p{text-align:right;max-width:125px;line-height:1.5}.subject-card{min-height:342px}.service-section>header{padding:23px 20px 18px}.service-section>header h2{font-size:21px}.service-grid{grid-template-columns:1fr}.service-grid article{border-right:0;border-bottom:1px solid var(--border);min-height:130px;padding:20px}.service-grid article:last-child{border-bottom:0}.study-upgrade{flex-direction:column;align-items:stretch}.study-upgrade button{justify-content:center}.review-page{padding-top:22px}.review-hero{grid-template-columns:1fr;gap:28px;min-height:auto}.review-hero h1{font-size:36px}.review-actions{flex-direction:column;align-items:flex-start}.review-actions button{width:100%}.report-preview{border-radius:18px;padding:20px}.review-steps{grid-template-columns:1fr;margin-top:28px}.review-steps article{border-right:0;border-bottom:1px solid var(--border);min-height:125px}.review-steps article:last-child{border-bottom:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.disguise-showcase{color:#fff;background:#153c2e;border-radius:24px;grid-template-columns:minmax(0,.9fr) minmax(460px,1.1fr);align-items:center;gap:34px;margin-bottom:18px;padding:34px;display:grid;box-shadow:0 24px 60px #113c2c24}.feature-badge{color:#ccebdd;letter-spacing:.04em;background:#ffffff14;border:1px solid #ffffff29;border-radius:999px;align-items:center;gap:7px;width:max-content;min-height:29px;padding:0 10px;font-size:10px;font-weight:800;display:inline-flex}.disguise-copy h2{color:#fff;letter-spacing:-.04em;margin:19px 0 15px;font-size:clamp(29px,3.2vw,42px);line-height:1.2}.disguise-copy>p{color:#ffffffbd;max-width:590px;margin:0;font-size:12px;line-height:1.85}.disguise-benefits{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:23px;display:grid}.disguise-benefits>span{background:#ffffff0f;border:1px solid #ffffff1f;border-radius:11px;grid-template-columns:auto 1fr;align-content:center;gap:3px 7px;min-height:76px;padding:12px;display:grid}.disguise-benefits svg{color:#83dbb3;grid-row:1/3}.disguise-benefits b{font-size:10px}.disguise-benefits small{color:#ffffff8f;font-size:8px}.disguise-copy>button{color:#154d39;background:#fff;border-radius:10px;align-items:center;gap:8px;min-height:46px;margin-top:21px;padding:0 16px;font-size:11px;font-weight:850;transition:transform .18s,background .18s;display:inline-flex}.disguise-copy>button:hover{background:#effaf5;transform:translateY(-1px)}.member-note{color:#ffffff94;align-items:center;gap:5px;margin-left:11px;font-size:8px;display:inline-flex}.office-demo{color:#273d35;background:#f6f8f7;border:1px solid #fff3;border-radius:17px;overflow:hidden;transform:rotate(.6deg);box-shadow:0 24px 55px #00000038}.office-demo>header{background:#fff;border-bottom:1px solid #dce4e0;align-items:center;gap:6px;min-height:40px;padding:0 13px;display:flex}.office-demo>header i{background:#d6ded9;border-radius:50%;width:7px;height:7px}.office-demo>header i:first-child{background:#e38d83}.office-demo>header span{color:#667a72;margin-left:5px;font-size:8px}.office-demo>header em{color:#176b4d;background:#e9f4ee;border-radius:5px;margin-left:auto;padding:5px 7px;font-size:7px;font-style:normal;font-weight:800}.office-demo-body{grid-template-columns:112px 1fr;min-height:285px;display:grid}.office-demo-body>aside{background:#eef2f0;border-right:1px solid #dfe7e3;align-content:start;gap:5px;padding:17px 11px;display:grid}.office-demo-body>aside b{margin:0 7px 8px;font-size:9px}.office-demo-body>aside span{color:#76877f;border-radius:6px;padding:8px;font-size:8px}.office-demo-body>aside span.active{color:#176b4d;background:#dcece4;font-weight:800}.office-demo-body>main{background-color:#fff;background-image:linear-gradient(#edf1ef 1px,#0000 1px),linear-gradient(90deg,#edf1ef 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:36px 30px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;min-width:0}.office-demo-toolbar{color:#586d64;background:#fff;border-bottom:1px solid #dfe7e3;align-items:center;gap:18px;min-height:37px;padding:0 12px;font-size:8px;display:flex}.office-question{background:#fffffff5;border:1px solid #d9e4de;border-left:3px solid #176b4d;border-radius:9px;width:82%;margin:23px auto;padding:15px;box-shadow:0 10px 26px #23483914}.office-question>small{color:#739184;font-size:7px}.office-question>b{margin:8px 0 11px;font-size:10px;line-height:1.55;display:block}.office-question>p{border:1px solid #e4eae7;border-radius:6px;align-items:center;gap:7px;margin:5px 0;padding:6px 7px;font-size:7px;display:flex}.office-question>p span{background:#eef2f0;border-radius:4px;place-items:center;width:16px;height:16px;font-size:7px;display:grid}.office-question>p.selected{color:#176b4d;background:#eef8f3;border-color:#6eb895}.office-demo>footer{color:#71847b;background:#fff;border-top:1px solid #dce4e0;justify-content:space-between;align-items:center;min-height:36px;padding:0 13px;font-size:7px;display:flex}.office-demo>footer span{color:#176b4d;align-items:center;gap:5px;display:flex}.practice-display-card>em{color:#946019;background:#fff0d6;border-radius:4px;padding:3px 5px;font-size:7px;font-style:normal;font-weight:850;position:absolute;top:7px;right:9px}.practice-display-card>span:has(+em){padding-right:34px}.office-mode-guide{border:1px solid color-mix(in srgb,var(--primary) 18%,var(--border));background:color-mix(in srgb,var(--primary-soft) 52%,var(--surface));border-radius:12px;margin:-4px 0 14px;padding:13px}.office-mode-guide>header{align-items:center;gap:9px;display:flex}.office-mode-guide>header>svg{color:var(--primary)}.office-mode-guide>header>div{gap:3px;display:grid}.office-mode-guide>header b{font-size:10px}.office-mode-guide>header small{color:var(--text-secondary);font-size:8px}.office-mode-guide>div{grid-template-columns:repeat(3,1fr);gap:7px;margin-top:11px;display:grid}.office-mode-guide>div>span{border:1px solid color-mix(in srgb,var(--border) 80%,transparent);background:color-mix(in srgb,var(--surface) 86%,transparent);border-radius:8px;grid-template-columns:auto 1fr;align-content:center;gap:2px 6px;min-height:50px;padding:8px;display:grid}.office-mode-guide>div i{background:var(--primary);color:#fff;border-radius:6px;grid-row:1/3;place-items:center;width:19px;height:19px;font-size:8px;font-style:normal;font-weight:850;display:grid}.office-mode-guide>div b{font-size:8px}.office-mode-guide>div small{color:var(--text-tertiary);font-size:7px}.office-mode-guide+.normal-mode-summary{min-height:156px}@media (width<=900px){.disguise-showcase{grid-template-columns:1fr;padding:28px}.office-demo{width:100%;max-width:680px;margin:0 auto;transform:none}}@media (width<=720px){.disguise-showcase{border-radius:19px;padding:23px 19px}.disguise-copy h2{font-size:29px}.disguise-benefits{grid-template-columns:1fr}.disguise-benefits>span{min-height:61px}.disguise-copy>button{justify-content:center;width:100%}.member-note{justify-content:center;width:100%;margin:10px 0 0}.office-demo{display:none}.office-mode-guide>div{grid-template-columns:1fr}.office-mode-guide>div>span{min-height:48px}.practice-display-card>span:has(+em){padding-right:40px}}.practice-complete{background:linear-gradient(145deg,var(--practice-tint),#f7faf8 58%,#eef5f1);color:#12251d;place-items:center;min-height:100dvh;padding:28px;display:grid}.practice-complete>section{border:1px solid color-mix(in srgb,var(--practice-subject) 18%,#dfe8e3);text-align:center;background:#fffffff0;border-radius:26px;width:min(620px,100%);padding:48px;box-shadow:0 28px 80px #12412f24}.complete-mark{background:var(--practice-tint);width:74px;height:74px;color:var(--practice-subject);border-radius:24px;place-items:center;margin:0 auto 20px;display:grid}.practice-complete section>span{color:var(--practice-subject);letter-spacing:.08em;font-size:11px;font-weight:850}.practice-complete h1{letter-spacing:-.04em;margin:10px 0 12px;font-size:clamp(27px,4vw,38px)}.practice-complete section>p{color:#617269;max-width:490px;margin:0 auto;font-size:14px;line-height:1.8}.complete-stats{background:#f8fbf9;border:1px solid #e3ebe6;border-radius:16px;grid-template-columns:repeat(3,1fr);margin:30px 0;display:grid;overflow:hidden}.complete-stats>div{border-right:1px solid #e3ebe6;padding:20px 12px}.complete-stats>div:last-child{border-right:0}.complete-stats b{color:var(--practice-subject);font-variant-numeric:tabular-nums;font-size:27px;display:block}.complete-stats small{color:#718078;margin-top:5px;font-size:10px;display:block}.complete-actions{justify-content:center;gap:12px;display:flex}.complete-actions button{color:#31443a;cursor:pointer;background:#fff;border:1px solid #dce6e0;border-radius:11px;justify-content:center;align-items:center;gap:7px;min-height:46px;padding:0 18px;font-weight:750;display:inline-flex}.complete-actions .primary-action{border-color:var(--practice-subject);background:var(--practice-subject);color:#fff}@media (width<=600px){.practice-complete{align-items:end;padding:0}.practice-complete>section{padding:34px 20px calc(24px + env(safe-area-inset-bottom));border-radius:24px 24px 0 0}.complete-stats>div{padding:17px 8px}.complete-stats b{font-size:23px}.complete-actions{grid-template-columns:1fr;display:grid}.complete-actions button{width:100%;min-height:48px}}.real-skin{z-index:4;flex-direction:column;font-family:Segoe UI,Microsoft YaHei,sans-serif;display:flex;position:fixed;inset:0}.skin-top{color:#4b5563;background:#fff;border-bottom:1px solid #d8dce2;justify-content:space-between;align-items:center;height:34px;padding:0 16px;font-size:11px;display:flex}.skin-top b{color:var(--skin-accent);font-size:12px}.traffic{color:#9ca3af;word-spacing:2px}.disguise-action{color:#6b7280;background:#fff;border-top:1px solid #d9dde3;align-items:center;gap:13px;min-height:48px;padding:8px 22px;font-size:11px;display:flex}.disguise-action span{flex:1}.disguise-action button{color:#667085;background:0 0;font-size:11px}.disguise-action .disguise-submit{color:#fff;background:#8b5cf6;border-radius:4px;padding:9px 16px;font-weight:600}.disguise-action .disguise-submit:disabled{opacity:.5}.disguise-question{background:#fff;border-radius:4px;max-width:830px;max-height:calc(100vh - 120px);margin:auto;padding:28px 40px;overflow:auto;box-shadow:0 2px 14px #00000018}.disguise-question h1{color:#202124;margin:24px 0;font-size:19px;font-weight:600;line-height:1.8}.disguise-meta{color:#6b7280;border-bottom:1px solid #e5e7eb;align-items:center;gap:14px;padding-bottom:14px;font-size:11px;display:flex}.disguise-meta span{color:#315e98;background:#e8eef8;border-radius:3px;padding:4px 7px}.disguise-meta small:last-child{margin-left:auto}.disguise-options{gap:9px;display:grid}.disguise-option{text-align:left;color:#374151;background:#f8fafc;border:1px solid #d6dce5;border-radius:4px;align-items:center;gap:12px;padding:12px 14px;font-size:13px;display:flex}.disguise-option>b{color:#6b7280;border:1px solid #aeb8c5;border-radius:50%;place-items:center;width:23px;height:23px;font:10px monospace;display:grid}.disguise-option.is-selected{background:#f3efff;border-color:#8b5cf6}.disguise-option.is-correct{background:#e9f8f1;border-color:#47ad85}.disguise-option.is-wrong{background:#fff0ee;border-color:#df7d78}.disguise-option em{color:#26996d;margin-left:auto}.disguise-explain{border-radius:4px;margin-top:16px;padding:12px;font-size:12px}.disguise-explain span{margin-top:5px;line-height:1.7;display:block}.disguise-explain.ok{color:#227657;background:#e9f8f1}.disguise-explain.bad{color:#a84d47;background:#fff0ee}.dingtalk-skin{color:#171a1d;background:#fff;grid-template-rows:1fr auto;grid-template-columns:64px 270px 1fr;display:grid}.dingtalk-skin .disguise-action{grid-column:1/-1}.dt-rail{text-align:center;background:#f7f8fa;border-right:1px solid #e9eaec;padding:14px 0}.dt-avatar,.bot-avatar{color:#fff;background:#1677ff;border-radius:50%;place-items:center;width:36px;height:36px;margin:0 auto 17px;font-weight:600;display:grid}.dt-rail-item{color:#77808b;gap:4px;padding:11px 0;font-size:20px;display:grid}.dt-rail-item small{font-size:10px}.dt-rail-item.active{color:#1677ff}.dt-chats{background:#fbfcfd;border-right:1px solid #e9eaec;padding:15px 0}.dt-search{color:#9299a2;background:#f0f2f5;border-radius:4px;margin:0 13px 12px;padding:8px 10px;font-size:12px}.dt-chat{gap:9px;padding:12px;display:flex;position:relative}.dt-chat.active{background:#eaf2ff}.dt-chat>span{color:#1677ff}.dt-chat b,.dt-chat small{display:block}.dt-chat b{font-size:12px;font-weight:500}.dt-chat small{color:#9299a2;white-space:nowrap;max-width:160px;margin-top:5px;font-size:10px;overflow:hidden}.dt-chat time{color:#a1a6ad;margin-left:auto;font-size:9px}.dt-main{background:#fff;flex-direction:column;min-width:0;display:flex}.dt-main>header{border-bottom:1px solid #e9eaec;align-items:center;gap:7px;height:58px;padding:0 23px;display:flex}.dt-main>header span{color:#9aa1aa;font-size:11px}.dt-main>header i{color:#87909a;margin-left:auto;font-style:normal}.dt-messages{background:#f6f7f8;flex:1;padding:25px 7%;overflow:auto}.dt-day{text-align:center;color:#a0a5ac;margin-bottom:20px;font-size:10px}.dt-message{gap:10px;display:flex}.dt-message .bot-avatar{background:#32a852;margin:0}.dt-message>b{font-size:11px}.dt-message b small{color:#98a0aa;font-weight:400}.dt-message p{color:#69727c;font-size:12px}.dt-card{max-width:760px}.dt-card .disguise-question{max-height:none;margin:0;padding:20px 25px;box-shadow:0 1px 5px #0001}.dt-card .disguise-question h1{font-size:15px}.dt-question-actions .disguise-action{border:0;border-top:1px solid #e9eaec;min-height:34px;margin-top:12px;padding:12px 0 0}.dt-question-actions .disguise-action span{display:none}.dt-question-actions .disguise-action button{font-size:11px}.dt-own{background:#cce5ff;border-radius:5px;width:max-content;margin:20px 0 0 auto;padding:9px 13px;font-size:11px}.dt-input{color:#a2a8af;border:1px solid #dfe3e7;height:42px;margin:0 7%;padding:13px;font-size:11px}.dt-input span{float:right}.excel-skin{color:#17202c;background:#f7f9fa}.excel-ribbon{color:#3f4d5c;word-spacing:18px;background:#fff;border-bottom:1px solid #d9e0e5;height:48px;padding:16px;font-size:12px}.excel-ribbon span{float:right;color:#2f8a56;word-spacing:0}.wps-skin .skin-top{border-top:3px solid #d43832}.wps-skin .excel-ribbon{color:#b52d2d}.wps-skin .grid-row button:hover{background:#fff0f0}.mail-skin-qqmail .outlook-top{background:#1683ff}.mail-skin-qqmail .mail-active{color:#1683ff;background:#e5f2ff}.mail-skin-net163 .outlook-top{background:#d73535}.mail-skin-net163 .mail-active{color:#d73535;background:#fff0f0}.mail-skin-qqmail .outlook-top b:after{content:" QQ邮箱";font-weight:400}.mail-skin-net163 .outlook-top b:after{content:" 网易邮箱";font-weight:400}.cn-skin-feishu{background:#f4f7fb}.cn-skin-feishu .generic-toolbar{color:#fff;background:#3370ff}.cn-skin-feishu .generic-shell>aside .active{color:#3370ff;background:#e8f0ff}.cn-skin-wecom{background:#f4f8f5}.cn-skin-wecom .generic-toolbar{color:#fff;background:#07c160}.cn-skin-wecom .generic-shell>aside .active{color:#07a653;background:#e6f7ed}.formula{color:#6b7280;white-space:nowrap;background:#fff;border-bottom:1px solid #d6dde4;height:35px;padding:9px 15px;font-size:11px;overflow:hidden}.formula b{color:#263442;font-weight:400}.sheet-layout{flex:1;grid-template-columns:170px 1fr;min-height:0;display:grid}.sheet-layout>aside{color:#6b7280;background:#fff;border-right:1px solid #d8e0e6;padding:20px 15px;font-size:11px;line-height:2.8}.sheet-layout>aside b{color:#107c41;background:#e6f3eb;padding:0 7px;display:block}.sheet-grid{background:#f0f3f5;overflow:auto}.grid-head,.grid-row{border-bottom:1px solid #dfe5e9;grid-template-columns:38px 55px minmax(240px,1fr) 70px;align-items:center;min-height:37px;display:grid}.grid-head{color:#697685;background:#e5eaee;padding-left:10px;font-size:10px}.grid-row>span,.grid-row>b{color:#7e8994;border-right:1px solid #dfe5e9;place-items:center;height:100%;font-size:10px;display:grid}.grid-row button{text-align:left;color:#344250;background:#fff;border:0;border-right:1px solid #dfe5e9;height:100%;padding:0 12px;font-size:11px}.grid-row button:hover{background:#ecf7f1}.grid-row em{color:#2e9b63;font-size:10px}.vscode-skin{color:#d4d4d4;background:#1e1e1e}.vsc-title{color:#a8a8a8;background:#181818;height:32px;padding:8px 16px;font-size:11px}.vsc-title span{float:right}.vsc-body{flex:1;grid-template-columns:235px 1fr;min-height:0;display:grid}.vsc-body>aside{color:#bbb;background:#252526;border-right:1px solid #333;padding:18px 13px;font-size:11px}.vsc-body>aside p{color:#888;padding:5px 8px}.vsc-body>aside .file-active{color:#fff;background:#37373d}.vsc-body main{overflow:auto}.code-tabs{color:#ddd;background:#252526;border-bottom:1px solid #333;height:38px;padding:12px 20px;font-size:11px}.vscode-skin pre{white-space:pre-wrap;color:#d4d4d4;padding:28px 38px;font:13px/2 Cascadia Code,DM Mono,monospace}.vscode-skin pre i{color:#6a9955;font-style:normal}.vscode-skin pre strong{color:#9cdcfe;font-weight:400}.vscode-skin pre button{color:#ce9178;text-align:left;font:inherit;background:0 0;border:0}.vscode-skin pre mark{color:#4ec9b0;background:0 0}.outlook-skin{color:#1f2937;background:#f3f6f9}.outlook-top{color:#fff;background:#0078d4;height:48px;padding:16px 24px;font-size:12px}.mail-layout{flex:1;grid-template-columns:220px 1fr;min-height:0;display:grid}.mail-layout>aside{color:#667085;background:#fff;border-right:1px solid #dce3eb;padding:25px 17px;font-size:12px;line-height:2.5}.mail-layout>aside p{padding:4px 8px}.mail-layout .mail-active{color:#0078d4;background:#e5f1fb}.mail-active span{float:right}.mail-layout>main{background:#fff;margin:18px;overflow:auto}.mail-subject{border-bottom:1px solid #e5e7eb;padding:22px 27px}.mail-subject small,.mail-subject span{color:#6b7280;font-size:11px}.mail-subject h2{margin:12px 0;font-size:19px;font-weight:500}.outlook-skin .disguise-question{box-shadow:none;max-width:none;margin:0;padding:25px 27px}.generic-skin{color:#1f2937;background:#f2f4f7}.generic-shell{flex:1;grid-template-columns:205px 1fr;min-height:0;display:grid}.generic-shell>aside{color:#697586;background:#fff;border-right:1px solid #dce1e7;padding:20px 15px;font-size:11px;line-height:2.8}.generic-shell>aside b{color:#374151;font-size:13px}.generic-shell>aside p{padding:0 8px}.generic-shell>aside .active{color:#315e98;background:#e7edf8}.generic-shell main{overflow:auto}.generic-toolbar{color:#667085;background:#fff;border-bottom:1px solid #dce1e7;height:45px;padding:14px 20px;font-size:11px}.generic-toolbar span{float:right}.generic-shell .disguise-question{margin:35px auto}.skin-chat{background:#f6f1f7}.skin-chat .generic-toolbar{color:#fff;background:#611f69}.skin-chat .disguise-question{border-radius:10px}.skin-calendar{background:#f8fafc}.skin-calendar .disguise-question{border-top:4px solid #4285f4}.skin-kanban{background:#e9edf0}.skin-kanban .generic-shell>aside{background:#f4f5f7}.skin-kanban .disguise-question{border-radius:3px}.skin-terminal{color:#d1fae5;background:#111827}.skin-terminal .generic-toolbar{color:#86efac;background:#0b1220}.skin-terminal .generic-shell>aside{color:#7dd3a7;background:#101827}.skin-terminal .disguise-question{color:#d1fae5;background:#101827}.skin-terminal .disguise-question h1{color:#d1fae5}.skin-terminal .disguise-option{color:#b7f7d0;background:#17251f;border-color:#24583f}.skin-minimal{background:#111827}.skin-minimal .generic-shell>aside,.skin-minimal .generic-toolbar{display:none}.skin-minimal .generic-shell{display:block}.skin-minimal .disguise-question{color:#e5e7eb;box-shadow:none;background:0 0;max-width:720px}.skin-minimal .disguise-question h1{color:#f3f4f6}.skin-minimal .disguise-option{color:#d1d5db;background:#1f2937;border-color:#374151}.skin-team{background:#eef4fb}@media (width<=800px){.dingtalk-skin{grid-template-columns:52px 190px 1fr}.dt-chats{display:none}.sheet-layout,.vsc-body,.mail-layout,.generic-shell{grid-template-columns:1fr}.sheet-layout>aside,.vsc-body>aside,.mail-layout>aside,.generic-shell>aside{display:none}.disguise-question{padding:22px}.desk-mode-picker{grid-template-columns:repeat(3,1fr)}}.dingtalk-skin .disguise-submit{background:#1677ff}.dingtalk-skin{color:#1f2329;background:#f5f6f7;grid-template-rows:42px minmax(0,1fr);grid-template-columns:64px 270px minmax(0,1fr);font-family:Segoe UI,Microsoft YaHei,sans-serif;display:grid}.dt-appbar{color:#5f6670;background:#fff;border-bottom:1px solid #e5e7ea;grid-column:1/-1;align-items:center;gap:10px;padding:0 14px;font-size:11px;display:flex}.dt-app-logo{color:#fff;background:#1677ff;border-radius:7px;place-items:center;width:25px;height:25px;font-weight:700;display:grid}.dt-appbar>span{color:#30353b;font-weight:600}.dt-global-search{color:#9aa1a9;background:#f2f3f5;border-radius:6px;width:300px;margin-left:25px;padding:7px 11px}.dt-appbar nav{color:#757d87;margin-left:auto}.dt-appbar>i{color:#89919a;word-spacing:9px;font-style:normal}.dingtalk-skin .dt-rail{background:#fafbfc;border-right:1px solid #e7e9ec;grid-area:2/1;padding:13px 0}.dingtalk-skin .dt-chats{background:#fff;border-right:1px solid #e4e7ea;grid-area:2/2;padding:12px 0}.dingtalk-skin .dt-main{background:#fff;grid-area:2/3;min-width:0}.dingtalk-skin .dt-avatar{width:34px;height:34px;margin-bottom:12px;font-size:12px}.dingtalk-skin .dt-rail-item{padding:9px 0;font-size:17px}.dingtalk-skin .dt-rail-item small{font-size:9px}.dingtalk-skin .dt-search{color:#9aa1a9;background:#f2f3f5;height:32px;margin:0 12px 8px;padding:8px 10px}.dingtalk-skin .dt-chat{align-items:center;min-height:58px;padding:8px 10px}.dingtalk-skin .dt-chat.active{background:#eaf3ff}.dt-chat-avatar{color:#fff;background:#6b8fdf;border-radius:8px;flex:none;place-items:center;width:34px;height:34px;font-size:12px;display:grid}.dt-chat-avatar.tone-1{background:#4aaa7c}.dt-chat-avatar.tone-2{background:#4c99d8}.dt-chat-avatar.tone-3{background:#e19b42}.dt-chat-avatar.tone-4{background:#7b83b9}.dt-chat-avatar.tone-5{background:#ad799d}.dingtalk-skin .dt-chat b{font-size:11px}.dingtalk-skin .dt-chat small{max-width:148px;margin-top:4px;font-size:9px}.dingtalk-skin .dt-chat time{font-size:8px}.dingtalk-skin .dt-main>header{height:54px;padding:0 20px}.dingtalk-skin .dt-main>header>div b{font-size:13px}.dingtalk-skin .dt-main>header>div span{margin-left:7px;font-size:9px}.dingtalk-skin .dt-main>header>i{margin-left:auto;font-size:11px}.dingtalk-skin .dt-messages{background:#f5f6f8;padding:18px 6%}.dingtalk-skin .dt-day{margin-bottom:16px;font-size:9px}.dingtalk-skin .dt-message{align-items:flex-start}.dingtalk-skin .bot-avatar{background:#2fa96b;flex:none;width:34px;height:34px;font-size:12px}.dt-message-body{width:min(720px,100vw - 450px)}.dt-message-body>b{font-size:11px}.dt-message-body>b small{color:#9aa1aa;margin-left:5px;font-weight:400}.dt-message-body>p{color:#747c86;margin:6px 0 10px;font-size:10px}.dt-task-card{background:#fff;border:1px solid #e1e4e7;border-radius:7px;overflow:hidden;box-shadow:0 2px 8px #0000000a}.dt-task-card>header{border-bottom:1px solid #edf0f2;align-items:center;gap:9px;padding:12px 14px;display:flex}.dt-task-icon{color:#2b9d67;background:#e8f5ee;border-radius:7px;place-items:center;width:30px;height:30px;display:grid}.dt-task-card>header>div{flex:1}.dt-task-card>header b,.dt-task-card>header small{display:block}.dt-task-card>header b{font-size:11px}.dt-task-card>header small{color:#9aa1aa;margin-top:3px;font-size:8px}.dt-task-card>header em{color:#b66b19;background:#fff4e5;border-radius:4px;padding:4px 7px;font-size:8px;font-style:normal}.dt-task-card h2{color:#242930;margin:0;padding:15px 15px 12px;font-size:13px;font-weight:600;line-height:1.7}.dt-poll-options{gap:7px;padding:0 15px 14px;display:grid}.dt-poll-options button{color:#4b535d;text-align:left;background:#fafbfc;border:1px solid #e3e6e9;border-radius:5px;align-items:center;gap:9px;min-height:37px;padding:7px 10px;font-size:10px;display:flex}.dt-poll-options button:hover{background:#f4f8ff;border-color:#92bdf7}.dt-poll-options button.selected{background:#edf5ff;border-color:#6ba5f3}.dt-poll-options button.correct{background:#effaf4;border-color:#5ab58b}.dt-poll-options button>i{color:#a4abb3;font-style:normal}.dt-poll-options button.selected>i{color:#1677ff}.dt-poll-options button>span{flex:1}.dt-poll-options button>b{color:#2b9765;font-size:8px}.dt-result{color:#a8514a;background:#fff2f0;border-radius:5px;gap:4px;margin:0 15px 12px;padding:9px 11px;display:grid}.dt-result.success{color:#29795a;background:#edf8f2}.dt-result b{font-size:9px}.dt-result span{font-size:9px;line-height:1.55}.dt-task-card>footer{border-top:1px solid #edf0f2;justify-content:flex-end;gap:8px;padding:10px 14px;display:flex}.dt-task-card>footer button{color:#6d7580;background:#fff;border:1px solid #dfe3e7;border-radius:5px;min-height:30px;padding:0 11px;font-size:9px}.dt-task-card>footer .dt-primary{color:#fff;background:#1677ff;border-color:#1677ff}.dt-task-card>footer .dt-primary:disabled{background:#a9caf6;border-color:#a9caf6}.dt-system-line{color:#a0a7af;text-align:center;margin:18px 0;font-size:8px}.dt-system-line:before,.dt-system-line:after{content:"";vertical-align:middle;background:#e0e3e6;width:50px;height:1px;margin:0 8px;display:inline-block}.dt-composer{color:#8e959e;background:#fff;border:1px solid #e0e3e6;border-radius:5px;height:92px;margin:0 6% 12px;padding:10px 13px;font-size:9px}.dt-composer>div{word-spacing:8px}.dt-composer>span{color:#b0b5bc;margin-top:18px;display:block}.dt-composer>small{float:right;color:#afb5bc;margin-top:-10px}.wps-pro-skin{color:#252b31;background:#f1f3f5;flex-direction:column;font-family:Segoe UI,Microsoft YaHei,sans-serif;display:flex}.wps-titlebar{color:#4f565f;background:#fff;align-items:center;gap:9px;height:38px;padding:0 13px;font-size:10px;display:flex}.wps-logo{color:#fff;background:#d63c32;border-radius:6px;place-items:center;width:24px;height:24px;font-weight:700;display:grid}.wps-titlebar>b{font-size:11px}.wps-titlebar>span{color:#89919a;margin-left:12px}.wps-titlebar>i{color:#7e868f;word-spacing:10px;margin-left:auto;font-style:normal}.wps-tabs{color:#5f6670;background:#fff;border-top:1px solid #f0f1f2;border-bottom:1px solid #e2e4e6;align-items:center;gap:22px;height:35px;padding:0 16px;font-size:10px;display:flex}.wps-tabs>b{color:#d43832}.wps-tabs .active{color:#252b31;border-bottom:2px solid #d43832;place-items:center;height:35px;display:grid}.wps-tabs>em{color:#9aa1a9;margin-left:auto;font-style:normal}.wps-ribbon{background:#fff;border-bottom:1px solid #dadde0;align-items:stretch;height:72px;padding:7px 13px;display:flex}.wps-ribbon>div{border-right:1px solid #e8eaec;align-content:center;gap:6px;min-width:140px;padding:0 13px;display:grid}.wps-ribbon b,.wps-ribbon strong{font-size:10px;font-weight:500}.wps-ribbon small{color:#7c848d;word-spacing:8px;font-size:8px}.wps-formula{background:#fff;border-bottom:1px solid #ccd1d5;grid-template-columns:60px 28px 1fr;align-items:center;height:31px;font-size:9px;display:grid}.wps-formula>span,.wps-formula>b{border-right:1px solid #d7dbde;place-items:center;height:100%;display:grid}.wps-formula>b{font-style:italic}.wps-formula>p{white-space:nowrap;text-overflow:ellipsis;margin:0;padding:0 8px;overflow:hidden}.wps-workspace{background:#e9edef;flex:1;min-height:0;overflow:auto}.wps-sheet{background:#fff;min-width:920px}.wps-line{grid-template-columns:42px 92px minmax(420px,1fr) 90px 90px 120px;min-height:32px;display:grid}.wps-line>i,.wps-line>b,.wps-line>span,.wps-line>button{color:#3e464f;background:#fff;border-bottom:1px solid #dfe3e6;border-right:1px solid #dfe3e6;align-items:center;padding:0 8px;font-size:9px;font-style:normal;display:flex}.wps-line>i{color:#7f8790;background:#f1f3f5;justify-content:center}.wps-columns{z-index:2;min-height:25px;position:sticky;top:0}.wps-columns>b,.wps-columns>i{color:#6e7680;background:#eef1f3;justify-content:center;font-weight:400}.wps-cell.section{color:#6e7680;background:#f7f8f9}.wps-line .wide{grid-column:auto}.question-line{min-height:54px}.question-line .merged{color:#20262c;grid-column:3/7;align-items:flex-start;padding:10px 12px;font-size:11px;font-weight:600;line-height:1.55}.wps-line.option-line{min-height:39px}.wps-line.option-line>button{text-align:left}.wps-line.option-line:hover>button{background:#f7fbf8}.wps-line.option-line.selected>button,.wps-line.option-line.selected>.checkbox{background:#edf8f1;box-shadow:inset 0 0 0 1px #45a975}.wps-line .checkbox{color:#248e59;justify-content:center;font-size:12px}.wps-cell.result.correct{color:#248e59;background:#edf8f1}.wps-cell.muted{color:#9098a1}.wps-analysis{color:#7f6323;background:#fff8e8;border-bottom:1px solid #dfe3e6;gap:10px;padding:10px 16px;font-size:9px;display:flex}.wps-analysis span{line-height:1.55}.blank-line{min-height:28px}.blank-line>span{border-bottom:1px solid #e6e9eb;border-right:1px solid #e6e9eb}.wps-bottom{color:#6d7580;background:#f5f6f7;border-top:1px solid #d4d9dd;align-items:center;gap:4px;height:30px;padding:0 8px;font-size:8px;display:flex}.wps-bottom>button{background:0 0}.wps-bottom>span{place-items:center;height:30px;padding:0 13px;display:grid}.wps-bottom>span.active{color:#343b43;background:#fff;border-bottom:2px solid #d43832}.wps-bottom>div{margin-left:auto}.wps-reviewbar{color:#7b838d;background:#fff;border-top:1px solid #d9dde0;align-items:center;gap:10px;min-height:45px;padding:7px 14px;font-size:9px;display:flex}.wps-reviewbar>span{flex:1}.wps-reviewbar>button{color:#686f78;background:#fff;border:1px solid #dce0e3;border-radius:4px;min-height:30px;padding:0 11px;font-size:9px}.wps-reviewbar>.wps-submit{color:#fff;background:#d43832;border-color:#d43832}.wps-reviewbar>.wps-submit:disabled{background:#e8aaa6;border-color:#e8aaa6}.wps-titlebar{background:#e7eff6;align-items:end;height:43px;padding-left:9px}.wps-app-tabs{align-items:end;gap:5px;height:34px;display:flex}.wps-app-tabs>span{color:#44505d;background:#dce5ed;border-radius:6px 6px 0 0;align-items:center;gap:7px;min-width:122px;height:31px;padding:0 10px;font-size:9px;display:flex}.wps-app-tabs>span>b,.wps-app-tabs>span>i{color:#fff;background:#d83a32;border-radius:4px;place-items:center;width:17px;height:17px;font-size:8px;font-style:normal;display:grid}.wps-app-tabs>span.active{color:#2c333b;background:#fff;min-width:235px}.wps-app-tabs>span.active>i{background:#149253}.wps-app-tabs>span small{color:#89919a;margin-left:auto}.wps-app-tabs>button{color:#5f6873;background:0 0;border:0;height:31px}.wps-title-actions{color:#77818c;align-items:center;height:31px;margin-left:auto;font-size:8px;display:flex}.wps-title-actions>button{color:#fff;background:#159b62;border:0;border-radius:5px;align-items:center;gap:5px;height:24px;margin-left:8px;padding:0 10px;font-size:8px;display:flex}.wps-titlebar>.fake-window-controls{height:31px;margin-left:5px}.wps-tabs>em{align-items:center;gap:8px;display:flex}.wps-columns{grid-template-columns:42px repeat(17,75px);min-width:1317px}@media (width<=800px){.dingtalk-skin{grid-template-rows:42px minmax(0,1fr);grid-template-columns:52px 1fr}.dingtalk-skin .dt-chats{display:none}.dingtalk-skin .dt-main{grid-column:2}.dt-global-search{display:none}.dt-message-body{width:calc(100vw - 120px)}.dt-appbar nav,.wps-ribbon>div:nth-child(n+3){display:none}.wps-ribbon>div{min-width:50%}}.fake-window-controls{color:#7e8791;align-items:stretch;height:100%;margin-left:auto;font-size:11px;display:flex}.fake-window-controls>span,.fake-window-controls>button{width:34px;color:inherit;background:0 0;border:0;place-items:center;display:grid}.fake-window-controls>button{cursor:pointer;font-size:15px}.fake-window-controls>button:hover{color:#fff;background:#e5484d}.skin-top>span{color:#7e8791;margin-left:auto;padding-right:14px}.dt-appbar>.fake-window-controls,.wps-titlebar>.fake-window-controls{margin-right:-14px}.wps-titlebar>.fake-window-controls{margin-right:-13px}.qqm-skin{color:#273142;background:#f3f6fa;overflow:hidden}.qqm-skin button{font-family:inherit}.qqm-titlebar{color:#667386;background:#fff;border-bottom:1px solid #dce3eb;flex:0 0 44px;align-items:center;height:44px;font-size:11px;display:flex}.qqm-brand{color:#273142;align-items:center;gap:9px;width:185px;padding:0 16px;display:flex}.qqm-brand img{border-radius:6px;width:25px;height:25px}.qqm-brand b{font-size:14px;font-weight:600}.qqm-title-search{color:#98a2b0;background:#f5f7fa;border:1px solid #e0e6ed;border-radius:6px;align-items:center;gap:8px;width:min(390px,32vw);height:30px;padding:0 11px;display:flex}.qqm-user{color:#7a8593;align-items:center;gap:12px;margin-left:auto;display:flex}.qqm-titlebar>.fake-window-controls{margin-left:14px}.qqm-toolbar{background:#fff;border-bottom:1px solid #d9e1ea;flex:0 0 43px;align-items:center;gap:4px;height:43px;padding:0 12px;display:flex}.qqm-toolbar button{color:#5f6c7d;background:0 0;border:0;border-radius:5px;align-items:center;gap:6px;height:30px;padding:0 11px;font-size:11px;display:flex}.qqm-toolbar button:hover{background:#eef4fb}.qqm-toolbar button.primary{color:#fff;background:#1683ff}.qqm-toolbar>span{flex:1}.qqm-layout{background:#fff;flex:1;grid-template-columns:185px 310px minmax(460px,1fr);min-height:0;display:grid}.qqm-folders{background:#f7f9fc;border-right:1px solid #e0e6ed;flex-direction:column;min-height:0;padding:12px 10px;display:flex}.qqm-folders .compose{color:#fff;background:#1683ff;border:0;border-radius:6px;justify-content:center;align-items:center;gap:7px;height:38px;margin:0 5px 12px;font-weight:600;display:flex}.qqm-folders nav{gap:2px;display:grid}.qqm-folders nav button{color:#526071;text-align:left;background:0 0;border:0;border-radius:5px;grid-template-columns:20px 1fr auto;align-items:center;gap:7px;height:34px;padding:0 11px;font-size:11px;display:grid}.qqm-folders nav button:hover{background:#edf2f8}.qqm-folders nav button.active{color:#0f6fd8;background:#e7f2ff;font-weight:600}.qqm-folders nav button b{text-align:right;min-width:17px;font-size:10px}.qqm-folder-section{border-top:1px solid #e2e7ed;gap:9px;margin-top:16px;padding:13px 11px 0;display:grid}.qqm-folder-section>span{color:#9aa3ae;font-size:9px}.qqm-folder-section button{color:#687586;text-align:left;background:0 0;border:0;padding:0;font-size:10px}.qqm-folders>footer{color:#9aa3ae;margin-top:auto;padding:10px 6px 2px;font-size:8px}.qqm-folders>footer i{background:#e2e7ed;border-radius:2px;height:3px;margin-top:6px;display:block;overflow:hidden}.qqm-folders>footer em{background:#1683ff;width:15%;height:100%;display:block}.qqm-list{background:#fff;border-right:1px solid #dfe5ec;min-height:0;overflow:auto}.qqm-list>header{z-index:3;background:#fff;border-bottom:1px solid #e2e7ed;justify-content:space-between;align-items:center;height:52px;padding:0 14px;display:flex;position:sticky;top:0}.qqm-list>header div{gap:3px;display:grid}.qqm-list>header b{font-size:13px}.qqm-list>header span{color:#9aa3ae;font-size:8px}.qqm-list>header button,.qqm-list-actions button{color:#7b8795;background:0 0;border:0;font-size:9px}.qqm-list-actions{background:#fafbfd;border-bottom:1px solid #edf0f4;align-items:center;gap:11px;height:32px;padding:0 12px;display:flex}.qqm-list-actions input,.qqm-list article>input{accent-color:#1683ff;width:13px;height:13px}.qqm-list article{color:#7a8592;background:#fff;border-bottom:1px solid #edf0f4;grid-template-columns:16px 17px 1fr;gap:7px;min-height:82px;padding:11px 10px;display:grid}.qqm-list article:hover{background:#f5f9fe}.qqm-list article.active{background:#eaf4ff;box-shadow:inset 3px 0 #1683ff}.qqm-list article.unread{color:#344052}.qqm-list article>svg{margin-top:2px}.qqm-list article>div{min-width:0}.qqm-list article header{align-items:center;gap:6px;display:flex}.qqm-list article header b{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.qqm-list article time{color:#9aa4af;margin-left:auto;font-size:8px}.qqm-list article strong{text-overflow:ellipsis;white-space:nowrap;margin-top:7px;font-size:10px;display:block;overflow:hidden}.qqm-list article p{text-overflow:ellipsis;white-space:nowrap;color:#8d97a4;margin:4px 0 0;font-size:9px;overflow:hidden}.qqm-reader{background:#fff;flex-direction:column;min-width:0;min-height:0;display:flex}.qqm-reader-actions{border-bottom:1px solid #e4e8ed;flex:0 0 38px;align-items:center;gap:4px;height:38px;padding:0 15px;display:flex}.qqm-reader-actions button{color:#687586;background:0 0;border:0;border-radius:4px;align-items:center;gap:5px;height:27px;padding:0 9px;font-size:9px;display:flex}.qqm-reader-actions button:hover{background:#f1f4f8}.qqm-reader-actions>span{flex:1}.qqm-message{flex:1;min-height:0;overflow:auto}.qqm-subject{border-bottom:1px solid #eef1f4;align-items:center;gap:9px;min-height:63px;padding:14px 24px 12px;display:flex}.qqm-important{color:#d14343;background:#fff1f0;border-radius:3px;padding:3px 5px;font-size:8px}.qqm-subject h1{color:#202a37;margin:0;font-size:16px;font-weight:600}.qqm-subject button{color:#778393;background:0 0;border:0;border-radius:4px;align-items:center;gap:5px;margin-left:auto;padding:6px 8px;font-size:9px;display:flex}.qqm-subject button:hover{color:#f0a000;background:#f4f6f8}.qqm-sender{align-items:center;gap:10px;min-height:57px;padding:10px 24px;display:flex}.qqm-sender>div{color:#1475df;background:#dcecff;border-radius:50%;place-items:center;width:34px;height:34px;font-size:12px;display:grid}.qqm-sender>span{gap:4px;display:grid}.qqm-sender b{font-size:10px}.qqm-sender small{color:#929ca9;font-size:8px}.qqm-sender time{color:#929ca9;margin-left:auto;font-size:8px}.qqm-mail-body{color:#4e5b69;max-width:820px;padding:10px 42px 42px;font-size:11px;line-height:1.75}.qqm-test{background:#fbfcfe;border:1px solid #dfe6ee;border-radius:6px;margin:18px 0;padding:18px 20px;box-shadow:0 1px 2px #172b4d0a}.qqm-test>header{border-bottom:1px solid #e7ebf0;justify-content:space-between;padding-bottom:11px;display:flex}.qqm-test>header span{color:#1475df;font-weight:600}.qqm-test>header small{color:#909aa6}.qqm-test h2{color:#273142;margin:15px 0;font-size:14px;font-weight:600;line-height:1.65}.qqm-options{grid-template-columns:1fr 1fr;gap:8px;display:grid}.qqm-options button{color:#4c5968;text-align:left;background:#fff;border:1px solid #dce3eb;border-radius:5px;grid-template-columns:25px 1fr auto;align-items:center;gap:8px;min-height:42px;padding:8px 10px;font-size:10px;display:grid}.qqm-options button i{color:#7c8794;border:1px solid #cbd4df;border-radius:50%;place-items:center;width:23px;height:23px;font-size:9px;font-style:normal;display:grid}.qqm-options button:hover:not(:disabled){background:#f5faff;border-color:#8ec3ff}.qqm-options button.selected{background:#f0f7ff;border-color:#1683ff}.qqm-options button.selected i{color:#fff;background:#1683ff;border-color:#1683ff}.qqm-options button.correct{background:#f1fbf5;border-color:#43a875}.qqm-options button.wrong{background:#fff5f5;border-color:#d96868}.qqm-options button>b{color:#2c9561;font-size:8px}.qqm-result{color:#a54747;background:#fff5f5;border-radius:4px;gap:4px;margin-top:10px;padding:10px 12px;display:grid}.qqm-result.success{color:#267a52;background:#eefaf3}.qqm-result span{line-height:1.55}.qqm-test>footer{justify-content:flex-end;margin-top:12px;display:flex}.qqm-test .submit{color:#fff;background:#1683ff;border:0;border-radius:4px;min-height:32px;padding:0 16px;font-size:10px}.qqm-test .submit:disabled{background:#a8cffb}.qqm-attachment{background:#fafbfd;border:1px solid #e0e5eb;border-radius:5px;align-items:center;gap:9px;width:230px;margin-top:18px;padding:9px 11px;display:flex}.qqm-attachment>span{display:grid}.qqm-attachment b{font-size:9px}.qqm-attachment small{color:#8b96a3;font-size:8px}.qqm-status{color:#99a2ad;background:#f7f9fb;border-top:1px solid #dfe5eb;flex:0 0 23px;align-items:center;gap:20px;height:23px;padding:0 12px;font-size:8px;display:flex}@media (width<=980px){.qqm-layout{grid-template-columns:165px 270px minmax(420px,1fr)}.qqm-brand{width:165px}.qqm-options{grid-template-columns:1fr}.qqm-mail-body{padding-inline:25px}}.fs-pro-skin{color:#1f2329;background:#f5f7fb;grid-template-rows:minmax(0,1fr);grid-template-columns:178px 440px minmax(500px,1fr);display:grid;overflow:hidden}.fs-pro-skin button{cursor:pointer;font-family:inherit}.fs-nav{background:linear-gradient(160deg,#eef3fc,#f6f8fc);border-right:1px solid #e5e8ef;flex-direction:column;min-height:0;padding:13px 8px 9px;display:flex}.fs-avatar{color:#fff;background:#465d7d;border-radius:50%;place-items:center;width:29px;height:29px;margin:0 5px 11px;font-size:11px;display:grid}.fs-search{color:#697386;background:#e9eef6;border:1px solid #dce2ec;border-radius:7px;align-items:center;gap:7px;height:34px;padding:0 9px;font-size:10px;display:flex}.fs-search span{text-align:left;flex:1}.fs-search kbd{color:#8c95a3;background:#dce3ed;border:0;border-radius:3px;padding:1px 4px;font-size:7px}.fs-nav nav{gap:3px;margin-top:10px;display:grid}.fs-nav nav button,.fs-nav-foot button{color:#606b7c;text-align:left;background:0 0;border:0;border-radius:7px;grid-template-columns:21px 1fr auto;align-items:center;gap:7px;height:36px;padding:0 10px;font-size:10px;display:grid}.fs-nav nav button:hover,.fs-nav-foot button:hover{background:#e6ecf5}.fs-nav nav button.active{color:#245eea;background:#fff;box-shadow:0 1px 3px #22304a0a}.fs-nav nav button b{color:#fff;background:#f34848;border-radius:9px;place-items:center;min-width:18px;height:17px;padding:0 5px;font-size:8px;display:grid}.fs-nav-foot{gap:2px;margin-top:auto;display:grid}.fs-conversations{background:#fff;border-right:1px solid #e4e7ed;min-width:0;min-height:0;overflow:auto}.fs-conversations>header{z-index:3;background:#fff;border-bottom:1px solid #edf0f4;align-items:center;height:61px;padding:0 16px;display:flex;position:sticky;top:0}.fs-conversations>header b{align-items:center;gap:8px;font-size:14px;display:flex}.fs-conversations>header button{color:#6b7481;background:0 0;border:0;margin-left:auto}.fs-conv-search{color:#9aa2ad;background:#f3f5f8;border-radius:6px;align-items:center;gap:7px;height:31px;margin:8px 12px;padding:0 10px;font-size:9px;display:flex}.fs-conversations article{grid-template-columns:39px 1fr auto;align-items:center;gap:9px;min-height:65px;padding:9px 13px;display:grid;position:relative}.fs-conversations article:hover{background:#f7f8fa}.fs-conversations article.active{background:#eaf1ff;border-radius:7px;margin:0 7px;padding-inline:8px}.fs-conversations article>i,.fs-msg-avatar,.fs-group-avatar{color:#fff;background:#55ae83;border-radius:50%;place-items:center;width:38px;height:38px;font-size:11px;font-style:normal;display:grid}.fs-conversations article>div{gap:5px;min-width:0;display:grid}.fs-conversations article b{font-size:10px;font-weight:500}.fs-conversations article span{text-overflow:ellipsis;white-space:nowrap;color:#8d96a3;font-size:9px;overflow:hidden}.fs-conversations article time{color:#a3aab4;align-self:start;margin-top:2px;font-size:8px}.fs-conversations article em{color:#fff;background:#3370ff;border-radius:9px;place-items:center;min-width:17px;height:17px;padding:0 5px;font-size:8px;font-style:normal;display:grid;position:absolute;bottom:9px;right:12px}.fs-tone-1{background:#4f8cde!important}.fs-tone-2{background:#7a76d7!important}.fs-tone-3{background:#3eb9ad!important}.fs-tone-4{background:#ee8e4a!important}.fs-tone-5{background:#8b9bb5!important}.fs-tone-6{background:#ad70b4!important}.fs-chat{background:#f9fafc;flex-direction:column;min-width:0;min-height:0;display:flex}.fs-chat>header{background:#fff;border-bottom:1px solid #e6e9ef;flex:0 0 70px;align-items:center;gap:10px;height:70px;padding-left:18px;display:flex}.fs-group-avatar{background:#4eac72;width:34px;height:34px;font-size:10px}.fs-chat>header>div:nth-child(2){gap:3px;display:grid}.fs-chat>header>div:nth-child(2)>b{font-size:12px}.fs-chat>header>div:nth-child(2)>span{color:#969eaa;align-items:center;gap:4px;font-size:8px;display:flex}.fs-chat>header nav{align-items:end;gap:4px;height:100%;margin-left:10px;display:flex}.fs-chat>header nav button{color:#687283;background:0 0;border:0;border-bottom:2px solid #0000;height:31px;padding:0 9px;font-size:9px}.fs-chat>header nav button.active{color:#245eea;border-bottom-color:#3370ff}.fs-head-actions{color:#727c8c;margin-left:auto;gap:17px!important;display:flex!important}.fs-chat>header>.fake-window-controls{color:#7d8692;align-self:flex-start;height:32px}.fs-chat-scroll{background-image:linear-gradient(120deg,#fbfcfe,#f7f9fc);flex:1;min-height:0;padding:18px 5% 24px;overflow:auto}.fs-date{text-align:center;color:#9ea5af;margin-bottom:17px;font-size:8px}.fs-message{align-items:flex-start;gap:10px;margin-bottom:19px;display:flex}.fs-msg-avatar{flex:none;width:34px;height:34px}.fs-message>div>b{font-size:9px;font-weight:500}.fs-message time{color:#a2a9b2;margin-left:6px;font-size:7px;font-weight:400}.fs-message>div>p{color:#4c5665;background:#fff;border-radius:3px 9px 9px;width:max-content;max-width:580px;margin:6px 0 0;padding:9px 12px;font-size:10px;box-shadow:0 1px 2px #1f2a3a0c}.fs-system{color:#a0a7b1;text-align:center;margin:8px 0 17px;font-size:8px}.fs-bot{background:#3370ff}.fs-task-wrap{width:min(690px,100vw - 700px)}.fs-task-wrap>b small{color:#3370ff;background:#e8f0ff;border-radius:3px;padding:2px 5px;font-size:7px;font-weight:400}.fs-task-card{background:#fff;border:1px solid #e0e4eb;border-radius:8px;margin-top:6px;overflow:hidden;box-shadow:0 3px 12px #24324b0b}.fs-task-card>header{border-bottom:1px solid #edf0f4;justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.fs-task-card>header>div{color:#3370ff;align-items:center;gap:9px;display:flex}.fs-task-card>header span{gap:3px;display:grid}.fs-task-card>header span b{color:#2e3540;font-size:10px}.fs-task-card>header span small{color:#9aa2ad;font-size:8px}.fs-task-card>header em{color:#3370ff;background:#edf3ff;border-radius:4px;padding:3px 7px;font-size:8px;font-style:normal}.fs-task-card h2{color:#222831;margin:0;padding:13px 15px 10px;font-size:12px;line-height:1.65}.fs-task-options{grid-template-columns:1fr 1fr;gap:7px;padding:0 15px 13px;display:grid}.fs-task-options button{color:#4c5664;text-align:left;background:#fafbfd;border:1px solid #e0e4e9;border-radius:5px;grid-template-columns:22px 1fr auto;align-items:center;gap:8px;min-height:39px;padding:7px 9px;font-size:9px;display:grid}.fs-task-options button:hover:not(:disabled){background:#f4f7ff;border-color:#8cafef}.fs-task-options button.selected{background:#edf3ff;border-color:#3370ff}.fs-task-options button.correct{background:#effaf4;border-color:#42a977}.fs-task-options button.wrong{background:#fff4f4;border-color:#d66b6b}.fs-task-options button i{border:1px solid #cfd5dd;border-radius:50%;place-items:center;width:21px;height:21px;font-size:8px;font-style:normal;display:grid}.fs-task-options button.selected i{color:#fff;background:#3370ff;border-color:#3370ff}.fs-result{color:#9a4d4d;background:#fff1f1;border-radius:5px;gap:4px;margin:0 15px 12px;padding:9px 11px;font-size:8px;display:grid}.fs-result.success{color:#287b56;background:#eef9f3}.fs-task-card>footer{border-top:1px solid #edf0f4;justify-content:flex-end;gap:7px;padding:9px 14px;display:flex}.fs-task-card>footer button{color:#6c7582;background:#fff;border:1px solid #dce1e8;border-radius:5px;height:29px;padding:0 11px;font-size:8px}.fs-task-card>footer button.primary{color:#fff;background:#3370ff;border-color:#3370ff}.fs-task-card>footer button.primary:disabled{background:#9eb7ed;border-color:#9eb7ed}.fs-composer{color:#8c95a1;background:#fff;border:1px solid #dfe3e9;border-radius:7px;flex:0 0 93px;height:93px;margin:0 3% 13px;padding:10px 12px}.fs-composer>div{gap:14px;display:flex}.fs-composer>span{color:#acb2ba;margin-top:18px;font-size:9px;display:block}.fs-composer>button{float:right;color:#b7bec7;background:0 0;border:0;margin-top:-13px}.writer-pro-skin{color:#20262d;background:#dfe7ee;overflow:hidden}.writer-pro-skin button{cursor:pointer;font-family:inherit}.writer-titlebar{background:#e7eff8;flex:0 0 42px;align-items:end;gap:5px;height:42px;padding-left:13px;display:flex}.writer-app-tab{color:#485463;background:#d9e3ed;border-radius:6px 6px 0 0;align-items:center;gap:7px;height:31px;padding:0 12px;font-size:9px;display:flex}.writer-app-tab>b,.writer-app-tab>i{color:#fff;background:#2870df;border-radius:4px;place-items:center;width:18px;height:18px;font-size:8px;font-style:normal;display:grid}.writer-app-tab.template{background:#dbe4ed}.writer-app-tab.active{color:#2a3038;background:#fff;min-width:225px}.writer-app-tab.active small{color:#89919a;margin-left:auto}.writer-new{background:0 0;border:0;height:31px}.writer-account{color:#76808c;align-items:center;gap:7px;height:31px;margin-left:auto;font-size:8px;display:flex}.writer-account>button{color:#fff;background:#2870df;border:0;border-radius:5px;align-items:center;gap:5px;height:25px;padding:0 11px;font-size:8px;display:flex}.writer-titlebar>.fake-window-controls{color:#66717e;height:31px}.writer-menu{color:#3e4752;background:#fff;border-bottom:1px solid #e0e4e8;flex:0 0 40px;align-items:center;gap:22px;height:40px;padding:0 17px;font-size:9px;display:flex}.writer-menu>b{font-size:11px}.writer-menu .active{color:#1e5fd1;border-bottom:2px solid #2870df;place-items:center;height:40px;display:grid}.writer-menu>em{color:#40506a;align-items:center;gap:16px;margin-left:auto;font-style:normal;display:flex}.writer-ribbon{background:#fff;border-bottom:1px solid #cfd5dc;flex:0 0 78px;height:78px;padding:7px 16px;display:flex}.writer-ribbon>section{border-right:1px solid #e4e7eb;align-content:center;gap:7px;min-width:130px;padding:1px 13px;display:grid}.writer-ribbon>section:nth-child(2){min-width:245px}.writer-ribbon>section:nth-child(3){min-width:220px}.writer-ribbon strong,.writer-ribbon button{color:#313942;background:#fff;border:1px solid #dfe3e7;border-radius:3px;min-height:22px;padding:3px 8px;font-size:9px;font-weight:400}.writer-ribbon small{color:#646e7a;align-items:center;gap:8px;font-size:8px;display:flex}.writer-ribbon>section:last-child{text-align:center;color:#606b78;min-width:100px;font-size:8px}.writer-canvas{background:#dfe7ee;flex:1;min-height:0;padding:22px 0 34px;overflow:auto}.writer-page{color:#24272b;background:#fff;width:875px;min-height:1050px;margin:0 auto;padding:82px 126px;font-family:SimSun,宋体,serif;position:relative;box-shadow:0 1px 5px #16233325}.writer-doc-head small{color:#777;margin-bottom:15px;font:9px Microsoft YaHei,sans-serif;display:block}.writer-doc-head h1{text-align:center;margin:0 0 28px;font-size:20px;font-weight:700}.writer-doc-head p,.writer-sign p{text-indent:2em;margin:13px 0;font-size:12px;line-height:1.9}.writer-question{background:#fcfcfc;border:1px solid #d9dce1;margin:26px 0;padding:18px 20px;font-family:Microsoft YaHei,sans-serif}.writer-question>header{color:#2d6bca;border-bottom:1px solid #e6e7e9;justify-content:space-between;padding-bottom:10px;font-size:9px;display:flex}.writer-question>header small{color:#858c95}.writer-question h2{margin:16px 0 12px;font-size:13px;line-height:1.7}.writer-question>div{gap:4px;display:grid}.writer-question>div button{color:#333a43;text-align:left;background:0 0;border:1px solid #0000;grid-template-columns:16px 22px 1fr auto;align-items:center;min-height:34px;padding:6px 9px;font-size:10px;display:grid}.writer-question>div button:hover:not(:disabled){background:#f5f8fd;border-color:#b7cbeb}.writer-question>div button.selected{background:#eef4ff;border-color:#6e9de6}.writer-question>div button.correct{background:#eff9f3;border-color:#5bb082}.writer-question>div button.wrong{background:#fff3f3;border-color:#d97777}.writer-question>div button i{color:#2870df;font-style:normal}.writer-question>div button em{color:#2c8c5d;font-size:8px;font-style:normal}.writer-question>aside{color:#8f4a4a;background:#fff4f4;border-left:3px solid #d46a6a;margin-top:11px;padding:9px 11px;font-size:9px}.writer-question>aside.success{color:#2a7653;background:#eef9f3;border-left-color:#4ba577}.writer-question>aside p{margin:5px 0 0;line-height:1.6}.writer-sign{margin-top:26px}.writer-sign p:last-child{text-align:right;text-indent:0}.writer-corners{height:22px;position:absolute;left:104px;right:104px}.writer-corners:before,.writer-corners:after{content:"";border-color:#cbd0d5;width:26px;height:22px;position:absolute}.writer-corners:before{border-top:1px solid;border-left:1px solid;left:0}.writer-corners:after{border-top:1px solid;border-right:1px solid;right:0}.writer-corners.top{top:67px}.writer-corners.bottom{bottom:67px;transform:rotate(180deg)}.writer-status{color:#646e79;background:#fff;border-top:1px solid #c8d0d8;flex:0 0 29px;align-items:center;gap:18px;height:29px;padding:0 14px;font-size:8px;display:flex}.writer-status>i{flex:1}.writer-status button{color:#65707c;background:0 0;border:0;border-radius:3px;height:23px;padding:0 9px;font-size:8px}.writer-status .writer-submit{color:#fff;background:#2870df}.writer-status .writer-submit:disabled{background:#a8c2ea}.vsc-pro-skin{color:#c6c6c6;background:#181818;font-family:Segoe UI,Microsoft YaHei,sans-serif;overflow:hidden}.vsc-pro-skin button{cursor:pointer;font-family:inherit}.vsc-pro-title{color:#c7c7c7;background:#181818;border-bottom:1px solid #2b2b2b;flex:0 0 35px;align-items:center;height:35px;font-size:9px;display:flex}.vsc-logo{color:#21a5f5;text-align:center;width:42px;font-size:18px}.vsc-pro-title nav{white-space:nowrap}.vsc-command{color:#a9a9a9;background:#252525;border:1px solid #444;border-radius:6px;align-items:center;gap:8px;width:min(600px,38vw);height:24px;margin:auto;padding:0 9px;display:flex}.vsc-command span{text-align:center;flex:1}.vsc-layout-buttons{color:#bdbdbd;word-spacing:8px}.vsc-pro-title>.fake-window-controls{color:#c8c8c8}.vsc-pro-title>.fake-window-controls>button:hover{background:#c42b1c}.vsc-pro-body{flex:1;grid-template-columns:47px 285px minmax(430px,1fr) minmax(420px,44%);min-height:0;display:grid}.vsc-activity{background:#181818;border-right:1px solid #2b2b2b;flex-direction:column;align-items:center;display:flex}.vsc-activity button{color:#858585;background:0 0;border:0;border-left:2px solid #0000;width:46px;height:47px}.vsc-activity button:hover{color:#ddd}.vsc-activity button.active{color:#fff;border-left-color:#fff}.vsc-activity>span{flex:1}.vsc-explorer{color:#c8c8c8;background:#181818;border-right:1px solid #303030;flex-direction:column;min-height:0;font-size:9px;display:flex}.vsc-explorer>header{color:#b7b7b7;justify-content:space-between;align-items:center;height:38px;padding:0 16px;display:flex}.vsc-explorer>b{text-transform:uppercase;align-items:center;height:26px;padding:0 7px;font-size:9px;display:flex}.vsc-explorer>p{color:#bbb;align-items:center;gap:5px;height:24px;margin:0;padding:0 8px;display:flex}.vsc-explorer>p:hover{background:#2a2d2e}.vsc-explorer>p.active{color:#fff;background:#37373d}.vsc-explorer>p>span{color:#77bde5;display:flex}.vsc-explorer>footer{border-top:1px solid #333;margin-top:auto;display:grid}.vsc-explorer>footer b{border-bottom:1px solid #333;align-items:center;height:26px;padding:0 8px;font-size:9px;display:flex}.vsc-editor{background:#1e1e1e;border-right:1px solid #303030;min-width:0;min-height:0;position:relative;overflow:hidden}.vsc-editor-tabs{background:#181818;height:35px;display:flex}.vsc-editor-tabs button{color:#aaa;background:#181818;border:0;border-right:1px solid #303030;align-items:center;gap:7px;min-width:150px;padding:0 10px;font-size:9px;display:flex}.vsc-editor-tabs button.active{color:#fff;background:#1e1e1e;border-top:1px solid #2397d4}.vsc-editor-tabs button span{margin-left:auto}.vsc-breadcrumb{color:#a0a0a0;height:27px;padding:7px 14px;font-size:8px}.vsc-code{padding-top:8px;font:11px/1.85 Cascadia Code,Consolas,monospace}.vsc-code>div{grid-template-columns:48px 1fr;min-height:21px;display:grid}.vsc-code i{color:#858585;text-align:right;-webkit-user-select:none;user-select:none;padding-right:14px;font-style:normal}.vsc-code code{color:#d4d4d4;white-space:pre}.vsc-code>div:nth-child(2n) code{color:#9cdcfe}.vsc-code>div:nth-child(3n) code{color:#ce9178}.vsc-minimap{opacity:.55;gap:2px;width:62px;display:grid;position:absolute;top:70px;right:6px}.vsc-minimap i{background:#6d7789;height:2px}.vsc-sidepanel{background:#181818;flex-direction:column;min-width:0;min-height:0;display:flex}.vsc-sidepanel>header{border-bottom:1px solid #303030;flex:0 0 36px;align-items:center;height:36px;padding-left:6px;display:flex}.vsc-sidepanel>header button{color:#999;background:0 0;border:0;border-bottom:1px solid #0000;height:35px;padding:0 12px;font-size:8px}.vsc-sidepanel>header button.active{color:#fff;border-bottom-color:#65aee6}.vsc-sidepanel>header svg{margin-left:auto;margin-right:10px}.vsc-preview{color:#d5d5d5;flex:1;min-height:0;padding:28px 30px;overflow:auto}.vsc-preview>small{color:#8b949e;font:9px Cascadia Code,monospace}.vsc-preview h1{color:#f0f0f0;border-bottom:1px solid #30363d;margin:16px 0 9px;padding-bottom:12px;font-size:16px;line-height:1.55}.vsc-meta{color:#8b949e;font-size:8px}.vsc-options{gap:7px;margin:18px 0 13px;display:grid}.vsc-options button{color:#c9d1d9;text-align:left;background:#222426;border:1px solid #3b3f44;border-radius:4px;grid-template-columns:24px 1fr;align-items:center;gap:8px;min-height:39px;padding:7px 10px;font-size:9px;display:grid}.vsc-options button:hover:not(:disabled){background:#252a2e;border-color:#4f87b1}.vsc-options button.selected{background:#16384c;border-color:#3794d0}.vsc-options button.correct{background:#173b29;border-color:#3b9a65}.vsc-options button.wrong{background:#451f1f;border-color:#bd5c5c}.vsc-options button i{color:#9cdcfe;background:#30343a;border-radius:3px;place-items:center;width:22px;height:22px;font:8px Cascadia Code,monospace;display:grid}.vsc-result{color:#d7a0a0;background:#2f2020;border-left:3px solid #c45e5e;padding:10px 12px;font-size:8px}.vsc-result.success{color:#8fcca8;background:#193025;border-left-color:#43a06d}.vsc-result code{font-size:8px}.vsc-result p{margin:5px 0 0;line-height:1.6}.vsc-preview>footer{justify-content:flex-end;gap:7px;margin-top:13px;display:flex}.vsc-preview>footer button{color:#bbb;background:#242424;border:1px solid #444;border-radius:3px;align-items:center;gap:5px;height:29px;padding:0 10px;font-size:8px;display:flex}.vsc-preview>footer button.primary{color:#fff;background:#0e639c;border-color:#0e639c}.vsc-preview>footer button.primary:hover{background:#17b}.vsc-preview>footer button.primary:disabled{background:#31566d;border-color:#31566d}.vsc-terminal{background:#181818;border-top:1px solid #333;flex:0 0 104px;height:104px;padding:0 12px;font:8px/1.8 Cascadia Code,monospace}.vsc-terminal header{color:#aaa;word-spacing:13px;height:28px}.vsc-terminal header span{color:#fff;border-bottom:1px solid #fff}.vsc-terminal p{color:#d4d4d4;margin:2px 0}.vsc-terminal .muted{color:#6a9955}.vsc-status{color:#b7b7b7;background:#181818;border-top:1px solid #303030;flex:0 0 22px;align-items:center;gap:14px;height:22px;padding:0 8px;font-size:7px;display:flex}.vsc-status>span:first-child{color:#fff;background:#0e639c;height:22px;margin-left:-8px;padding:5px 12px}.vsc-status>i{flex:1}@media (width<=1150px){.fs-pro-skin{grid-template-columns:76px 310px minmax(500px,1fr)}.fs-nav{align-items:center}.fs-nav .fs-search span,.fs-nav .fs-search kbd,.fs-nav nav button span,.fs-nav-foot button span{display:none}.fs-nav nav button,.fs-nav-foot button{grid-template-columns:24px auto}.fs-task-wrap{width:calc(100vw - 500px)}.vsc-pro-body{grid-template-columns:47px 220px minmax(390px,1fr) minmax(370px,44%)}.vsc-pro-title nav{display:none}.writer-page{width:760px;padding-inline:92px}}