:root{--task1-ink:#172238;--task1-paper:#fffdf8;--task1-line:#dfe5ed;--task1-blue:#2f6fba;--task1-coral:#e4674b;--task1-muted:#68758a}
*{box-sizing:border-box}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.task1-bank-page{margin:0;min-height:100vh;background:#eef2f6;color:var(--task1-ink)}
.task1-bank-page:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.42;background-image:linear-gradient(rgba(23,34,56,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(23,34,56,.025) 1px,transparent 1px);background-size:28px 28px}
.task1-bank-page .container{position:relative}
.task1-bank-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);overflow:hidden;border:1px solid var(--task1-line);border-radius:22px;background:var(--task1-paper);box-shadow:0 14px 44px rgba(20,35,59,.06)}
.task1-bank-copy{position:relative;padding:58px 58px 52px}
.task1-bank-copy:before{content:"22";position:absolute;right:26px;top:10px;color:rgba(47,111,186,.055);font:900 150px/1 Georgia,"Times New Roman",serif}
.task1-bank-copy .eyebrow{position:relative;color:var(--task1-blue);font-size:11px;font-weight:950;letter-spacing:.17em}
.task1-bank-copy h1{position:relative;margin:14px 0 20px;font:900 clamp(42px,5.2vw,68px)/1.02 Georgia,"Times New Roman",serif;letter-spacing:-.045em}
.task1-bank-copy h1 em{color:var(--task1-coral);font-weight:inherit}
.task1-bank-copy p{position:relative;max-width:740px;margin:0;color:#56657a;font-size:17px;line-height:1.8}
.task1-bank-actions{position:relative;display:flex;gap:10px;flex-wrap:wrap;margin-top:27px}
.task1-bank-summary{display:grid;align-content:center;padding:30px 38px;background:#172238;color:#fff}
.task1-bank-summary>div{display:grid;grid-template-columns:auto 1fr;align-items:baseline;gap:15px;padding:22px 2px;border-bottom:1px solid rgba(255,255,255,.13)}
.task1-bank-summary>div:last-child{border-bottom:0}
.task1-bank-summary strong{color:#83b7ff;font:900 46px/1 Georgia,"Times New Roman",serif}
.task1-bank-summary div:nth-child(3) strong{color:#ff8b72}
.task1-bank-summary span{color:#b8c3d4;font-size:13px;letter-spacing:.07em}
.task1-bank-main{display:grid;gap:18px;margin-top:20px}
.task1-bank-controls,.task1-bank-results,.task1-bank-note{border:1px solid var(--task1-line);border-radius:20px;background:#fff}
.task1-bank-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,390px);gap:20px 30px;align-items:end;padding:28px 30px 24px}
.control-eyebrow,.task1-results-head>div>span{display:block;margin-bottom:7px;color:#7a8799;font-size:10px;font-weight:950;letter-spacing:.17em}
.task1-bank-controls h2,.task1-results-head h2{margin:0;font:900 30px/1.1 Georgia,"Times New Roman",serif}
.task1-bank-search{position:relative;display:block}
.task1-bank-search input{width:100%;height:45px;padding:0 44px 0 15px;border:1px solid #d5dce6;border-radius:12px;outline:none;background:#f8fafc;color:var(--task1-ink);font:14px/1 "Microsoft YaHei",sans-serif;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.task1-bank-search input:focus{border-color:#7e9fc8;background:#fff;box-shadow:0 0 0 3px rgba(47,111,186,.11)}
.task1-bank-search i{position:absolute;right:15px;top:50%;transform:translateY(-52%);color:#78869a;font:normal 24px/1 Georgia,serif}
.task1-category-tabs{grid-column:1/-1;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px}
.task1-category-tab{min-width:0;padding:13px 12px;border:1px solid #dfe5ed;border-radius:13px;background:#fff;color:var(--task1-ink);text-align:left;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}
.task1-category-tab:hover{transform:translateY(-2px);border-color:var(--category-accent);box-shadow:0 8px 20px rgba(23,34,56,.07)}
.task1-category-tab.active{border-color:var(--category-accent);background:var(--category-accent);color:#fff}
.task1-category-tab span{display:block;font-size:14px;font-weight:900;white-space:nowrap}
.task1-category-tab small{display:block;margin-top:5px;overflow:hidden;color:#7b8798;font-size:9px;letter-spacing:.04em;text-overflow:ellipsis;white-space:nowrap}
.task1-category-tab.active small{color:rgba(255,255,255,.72)}
.task1-bank-results{padding:30px}
.task1-results-head{display:flex;justify-content:space-between;align-items:end;gap:24px;padding-bottom:19px;border-bottom:1px solid #e7ebf1}
.task1-results-head p{margin:0;color:#7c899b;font-size:13px;font-weight:850}
.task1-question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.task1-question-card{position:relative;display:grid;grid-template-columns:minmax(210px,.86fr) minmax(0,1.14fr);min-height:330px;overflow:hidden;border:1px solid #dfe5ed;border-radius:18px;background:#fff;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.task1-question-card:before{content:"";position:absolute;left:0;top:0;z-index:2;width:5px;height:100%;background:var(--category-accent)}
.task1-question-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--category-accent) 42%,#dfe5ed);box-shadow:0 16px 38px rgba(23,34,56,.085)}
.task1-question-figure{display:grid;place-items:center;min-width:0;padding:22px;background:#f5f7fa;border-right:1px solid #e4e8ee}
.task1-question-figure img{display:block;max-width:100%;max-height:280px;object-fit:contain;filter:contrast(1.02)}
.task1-question-body{display:flex;min-width:0;flex-direction:column;padding:21px 21px 18px}
.task1-question-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.task1-question-number{color:#d9dfe7;font:900 36px/1 Georgia,"Times New Roman",serif}
.task1-question-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
.task1-question-tags span{padding:5px 9px;border:1px solid color-mix(in srgb,var(--category-accent) 28%,#dfe5ed);border-radius:999px;background:color-mix(in srgb,var(--category-accent) 6%,#fff);color:var(--category-accent);font-size:10px;font-weight:900}
.task1-question-card h3{margin:14px 0 9px;font:900 22px/1.2 Georgia,"Times New Roman",serif}
.task1-question-card p{flex:1;margin:0;color:#58677c;font:600 14px/1.7 Georgia,"Times New Roman",serif}
.task1-question-foot{margin-top:17px;padding-top:14px;border-top:1px solid #e8ecf1}
.task1-question-foot>span{display:block;margin-bottom:10px;color:#7c899b;font-size:10px;font-weight:800}
.task1-question-foot a{display:flex;align-items:center;justify-content:space-between;min-height:46px;padding:0 14px;border-radius:10px;background:#172238;color:#fff;font-size:11px;font-weight:900;transition:background .18s ease}
.task1-question-foot a:hover{background:var(--category-accent)}
.task1-question-foot strong{font:900 16px/1 Georgia,"Times New Roman",serif}
.task1-bank-empty{margin-top:18px;padding:60px 20px;border:1px dashed #cbd4df;border-radius:15px;color:#768397;text-align:center}
.task1-bank-empty strong,.task1-bank-empty span{display:block}
.task1-bank-empty strong{color:#273349;font:900 22px/1.2 Georgia,"Times New Roman",serif}
.task1-bank-empty span{margin-top:10px;font-size:13px}
.task1-bank-note{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;margin:18px 0 36px;padding:20px 24px;color:#6c798c}
.task1-bank-note>span{color:var(--task1-blue);font-size:10px;font-weight:950;letter-spacing:.14em}
.task1-bank-note p{margin:0;font-size:12px;line-height:1.6}
.task1-bank-note a{color:var(--task1-ink);font-size:12px;font-weight:900;white-space:nowrap}
@media(max-width:1100px){.task1-question-grid{grid-template-columns:1fr}.task1-question-card{grid-template-columns:minmax(240px,.8fr) minmax(0,1.2fr)}}
@media(max-width:820px){.task1-bank-hero{grid-template-columns:1fr}.task1-bank-summary{grid-template-columns:repeat(3,1fr);padding:20px}.task1-bank-summary>div{display:block;padding:8px;border-right:1px solid rgba(255,255,255,.13);border-bottom:0;text-align:center}.task1-bank-summary>div:last-child{border-right:0}.task1-bank-summary strong,.task1-bank-summary span{display:block}.task1-bank-summary span{margin-top:7px}.task1-bank-controls{grid-template-columns:1fr}.task1-category-tabs{grid-column:auto;grid-template-columns:repeat(2,1fr)}.task1-bank-note{grid-template-columns:1fr}.task1-bank-note a{justify-self:start}}
@media(max-width:620px){.task1-bank-copy{padding:38px 24px}.task1-bank-copy:before{font-size:100px}.task1-bank-copy h1{font-size:40px}.task1-bank-summary strong{font-size:34px}.task1-bank-summary span{font-size:10px}.task1-bank-controls,.task1-bank-results{padding:20px}.task1-category-tabs{gap:7px}.task1-category-tab{padding:11px 9px}.task1-question-card{grid-template-columns:1fr}.task1-question-figure{min-height:230px;padding:20px;border-right:0;border-bottom:1px solid #e4e8ee}.task1-question-figure img{max-height:250px}.task1-question-body{padding:18px}.task1-results-head{align-items:end}.task1-bank-actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){.task1-category-tab,.task1-question-card,.task1-question-foot a{transition:none}}