:root{--bank-ink:#172238;--bank-paper:#fffdf8;--bank-line:#dfe5ed;--bank-coral:#d9583b;--bank-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}
.task2-bank-page{margin:0;background:#eef2f6;color:var(--bank-ink);min-height:100vh}
.task2-bank-page:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.38;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}
.task2-bank-page .container{position:relative}
.bank-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);overflow:hidden;border:1px solid var(--bank-line);border-radius:22px;background:var(--bank-paper);box-shadow:0 14px 44px rgba(20,35,59,.06)}
.bank-hero-copy{position:relative;padding:58px 58px 52px}
.bank-hero-copy:before{content:"60";position:absolute;right:28px;top:15px;font-family:Georgia,"Times New Roman",serif;font-size:150px;line-height:1;color:rgba(217,88,59,.055);font-weight:900}
.bank-hero .eyebrow{position:relative;color:var(--bank-coral);font-size:11px;font-weight:950;letter-spacing:.18em}
.bank-hero h1{position:relative;margin:14px 0 20px;font-family:Georgia,"Times New Roman",serif;font-size:clamp(42px,5.3vw,70px);line-height:1.02;letter-spacing:-.045em}
.bank-hero h1 em{color:var(--bank-coral);font-weight:inherit}
.bank-hero p{position:relative;max-width:760px;margin:0;color:#56657a;font-size:17px;line-height:1.8}
.bank-summary{display:grid;align-content:center;background:#172238;color:#fff;padding:30px 38px}
.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)}
.bank-summary>div:last-child{border-bottom:0}
.bank-summary strong{font:900 46px/1 Georgia,"Times New Roman",serif;color:#ff8b72}
.bank-summary span{color:#b8c3d4;font-size:13px;letter-spacing:.08em}
.bank-main{margin-top:20px;display:grid;gap:18px}
.bank-controls,.bank-results,.bank-note{background:#fff;border:1px solid var(--bank-line);border-radius:20px}
.bank-controls{padding:28px 30px 24px}
.bank-controls-title,.results-head{display:flex;justify-content:space-between;align-items:end;gap:24px}
.bank-controls-title>div>span,.results-head>div>span{display:block;color:#7a8799;font-size:10px;font-weight:950;letter-spacing:.17em;margin-bottom:7px}
.bank-controls h2,.results-head h2{font:900 30px/1.1 Georgia,"Times New Roman",serif;margin:0}
.bank-search{position:relative;display:block;width:min(390px,42vw)}
.bank-search input{width:100%;height:45px;border:1px solid #d5dce6;border-radius:12px;background:#f8fafc;color:var(--bank-ink);padding:0 44px 0 15px;font:14px/1 "Microsoft YaHei",sans-serif;outline:none;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.bank-search input:focus{background:#fff;border-color:#7e9fc8;box-shadow:0 0 0 3px rgba(47,111,186,.11)}
.bank-search i{position:absolute;right:15px;top:50%;transform:translateY(-52%);font:normal 24px/1 Georgia,serif;color:#78869a}
.topic-tabs{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:9px;margin-top:22px}
.topic-tab{min-width:0;border:1px solid #dfe5ed;border-radius:13px;background:#fff;padding:13px 11px;text-align:left;color:var(--bank-ink);cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}
.topic-tab:hover{transform:translateY(-2px);border-color:var(--topic-accent);box-shadow:0 8px 20px rgba(23,34,56,.07)}
.topic-tab.active{background:var(--topic-accent);border-color:var(--topic-accent);color:#fff}
.topic-tab span{display:block;font-weight:900;font-size:14px;white-space:nowrap}
.topic-tab small{display:block;margin-top:5px;color:#7b8798;font-size:9px;letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topic-tab.active small{color:rgba(255,255,255,.72)}
.bank-results{padding:30px}
.results-head{padding-bottom:19px;border-bottom:1px solid #e7ebf1}
.results-head p{margin:0;color:#7c899b;font-size:13px;font-weight:850}
.question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}
.question-card{position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:390px;border:1px solid #dfe5ed;border-radius:17px;background:#fff;padding:21px 22px 18px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.question-card:before{content:"";position:absolute;left:0;top:0;width:5px;height:100%;background:var(--topic-accent)}
.question-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--topic-accent) 42%,#dfe5ed);box-shadow:0 16px 38px rgba(23,34,56,.085)}
.question-card-head{display:flex;justify-content:space-between;gap:14px;align-items:start}
.question-number{font:900 36px/1 Georgia,"Times New Roman",serif;color:#d9dfe7}
.question-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
.question-tags span{border:1px solid color-mix(in srgb,var(--topic-accent) 28%,#dfe5ed);border-radius:999px;background:color-mix(in srgb,var(--topic-accent) 6%,#fff);color:var(--topic-accent);padding:5px 9px;font-size:10px;font-weight:900}
.question-tags .repeat-tag{border-style:dashed;background:#fff8e8;border-color:#d9a94e;color:#97630d}
.question-card blockquote{flex:1;margin:22px 0 18px;border:0;padding:0;font:700 18px/1.62 Georgia,"Times New Roman",serif;color:#202b3e}
.question-card-meta{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #e8ecf1;padding-top:13px;color:#788599;font-size:10px;font-weight:800;letter-spacing:.04em}
.question-repeat{display:flex;justify-content:space-between;gap:12px;margin-top:9px;padding:9px 11px;border-radius:9px;background:#fff8e8;color:#966610;font-size:10px}.question-repeat span{font-weight:800}.question-repeat strong{font-weight:950;text-align:right}
.question-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}
.question-actions a{display:flex;align-items:center;justify-content:center;min-height:38px;border:1px solid #dce2ea;border-radius:10px;color:#5f6d81;font-size:11px;font-weight:900;background:#fafbfd;transition:background .18s ease,border-color .18s ease,color .18s ease}
.question-actions a:hover{border-color:var(--topic-accent);color:var(--topic-accent);background:#fff}
.question-actions .question-start{grid-column:1/-1;justify-content:space-between;min-height:46px;padding:0 14px;background:#172238;border-color:#172238;color:#fff}
.question-actions .question-start:hover{background:var(--topic-accent);border-color:var(--topic-accent);color:#fff}
.question-start strong{font:900 16px/1 Georgia,"Times New Roman",serif}
.bank-empty{margin-top:18px;padding:60px 20px;text-align:center;border:1px dashed #cbd4df;border-radius:15px;color:#768397}
.bank-empty strong,.bank-empty span{display:block}.bank-empty strong{font:900 22px/1.2 Georgia,"Times New Roman",serif;color:#273349}.bank-empty span{margin-top:10px;font-size:13px}
.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}
.bank-note>span{color:var(--bank-coral);font-size:10px;font-weight:950;letter-spacing:.14em}
.bank-note p{margin:0;font-size:12px;line-height:1.6}.bank-note a{color:var(--bank-ink);font-size:12px;font-weight:900;white-space:nowrap}
@media(max-width:1100px){.topic-tabs{grid-template-columns:repeat(4,1fr)}.question-grid{grid-template-columns:1fr}.question-card{min-height:350px}}
@media(max-width:820px){.bank-hero{grid-template-columns:1fr}.bank-summary{grid-template-columns:repeat(3,1fr);padding:20px}.bank-summary>div{display:block;text-align:center;border-bottom:0;border-right:1px solid rgba(255,255,255,.13);padding:8px}.bank-summary>div:last-child{border-right:0}.bank-summary strong,.bank-summary span{display:block}.bank-summary span{margin-top:7px}.bank-controls-title{align-items:stretch;flex-direction:column}.bank-search{width:100%}.topic-tabs{grid-template-columns:repeat(2,1fr)}.bank-note{grid-template-columns:1fr}.bank-note a{justify-self:start}}
@media(max-width:580px){.bank-hero-copy{padding:38px 24px}.bank-hero-copy:before{font-size:100px}.bank-hero h1{font-size:40px}.bank-summary strong{font-size:34px}.bank-summary span{font-size:10px}.bank-controls,.bank-results{padding:20px}.topic-tabs{gap:7px}.topic-tab{padding:11px 9px}.question-card{min-height:0;padding:18px}.question-card blockquote{font-size:16px}.question-actions{grid-template-columns:1fr}.question-actions .question-start{grid-column:auto}.results-head{align-items:end}}
@media(prefers-reduced-motion:reduce){.topic-tab,.question-card,.question-actions a{transition:none}}