:root{--ink:#172033;--muted:#687386;--line:#dfe4ec;--paper:#fff;--surface:#f5f7fa;--brand:#0095ff;--brand-dark:#0077cc;--accent:#e6b544;--danger:#c33d3d;--shadow:0 12px 32px rgba(25,42,68,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--surface);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;letter-spacing:0}button,input{font:inherit}.shell{width:min(1120px,calc(100% - 40px));margin:0 auto}.site-header{height:68px;background:#fff;border-bottom:1px solid var(--line)}.site-header .shell{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{color:var(--ink);font-size:20px;font-weight:800;text-decoration:none}.brand:before{content:"";display:inline-block;width:8px;height:24px;margin-right:10px;vertical-align:-5px;background:var(--brand)}.back-link{color:var(--muted);font-size:14px;text-decoration:none}.home-main{padding:60px 0 90px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px}.section-heading h1,.exam-intro h1{margin:5px 0 0;font-size:36px;line-height:1.25}.eyebrow{margin:0;color:var(--brand);font-size:12px;font-weight:800}.exam-count{color:var(--muted);font-size:14px}.exam-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.exam-card{display:flex;min-height:245px;padding:26px;flex-direction:column;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 5px 18px rgba(25,42,68,.04)}.exam-card h2{margin:18px 0 10px;font-size:22px}.exam-card p{display:-webkit-box;margin:0;color:var(--muted);line-height:1.75;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.exam-meta{display:flex;gap:10px}.exam-meta span,.question-tags span{padding:5px 9px;color:#566175;background:#f1f4f7;border-radius:4px;font-size:12px}.exam-card .button{align-self:flex-start;margin-top:24px}.button{display:inline-flex;min-height:44px;padding:0 20px;align-items:center;justify-content:center;gap:12px;border:0;border-radius:5px;text-decoration:none;cursor:pointer;font-weight:700;transition:.15s}.button:disabled{opacity:.6;cursor:wait}.button-primary{color:#fff;background:var(--brand)}.button-primary:hover{background:var(--brand-dark)}.button-large{min-height:50px;padding:0 30px}.button-full{width:100%;min-height:50px}.empty-state{padding:70px 20px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:8px}.empty-state strong{font-size:20px}.empty-state p{color:var(--muted)}
.detail-main{padding:64px 0}.exam-intro{max-width:800px;padding:44px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.intro-description{margin:22px 0 30px;color:var(--muted);line-height:1.9}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.stat-row div{padding:0 22px;border-right:1px solid var(--line)}.stat-row div:first-child{padding-left:0}.stat-row div:last-child{border:0}.stat-row span,.stat-row strong{display:block}.stat-row span{margin-bottom:8px;color:var(--muted);font-size:13px}.stat-row strong{font-size:18px}.notice{margin:28px 0;padding:18px 20px;background:#f2f7f5;border-left:3px solid var(--brand)}.notice p{margin:6px 0 0;color:var(--muted);line-height:1.7}.form-error{min-height:20px;margin:8px 0;color:var(--danger);font-size:13px}
.exam-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.exam-header-inner{height:76px;display:flex;align-items:center;justify-content:space-between}.exam-heading span{color:var(--brand);font-size:12px;font-weight:700}.exam-heading h1{max-width:720px;margin:3px 0 0;font-size:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.timer{text-align:right}.timer span{display:block;color:var(--muted);font-size:12px}.timer strong{font-size:22px;font-variant-numeric:tabular-nums}.timer.is-warning strong{color:var(--danger)}.progress-track{height:3px;background:#e9edf2}.progress-track span{display:block;width:0;height:100%;background:var(--accent);transition:width .2s}.exam-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:24px;padding-top:30px;padding-bottom:70px}.answer-nav{position:sticky;top:106px;align-self:start;padding:20px;background:#fff;border:1px solid var(--line);border-radius:6px}.answer-summary{margin-bottom:18px}.answer-summary strong{font-size:24px}.answer-summary span{color:var(--muted);font-size:13px}.answer-dots{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.answer-dots a{display:flex;aspect-ratio:1;align-items:center;justify-content:center;color:var(--muted);border:1px solid var(--line);border-radius:4px;text-decoration:none;font-size:12px}.answer-dots a.answered{color:#fff;background:var(--brand);border-color:var(--brand)}.question-list{min-width:0}.question-block{margin-bottom:16px;padding:28px 30px;background:#fff;border:1px solid var(--line);border-radius:6px;scroll-margin-top:96px}.question-title{display:grid;grid-template-columns:38px minmax(0,1fr);gap:12px}.question-number{display:flex;width:32px;height:32px;align-items:center;justify-content:center;color:#fff;background:var(--ink);border-radius:4px;font-weight:700}.question-title h2{margin:10px 0 22px;font-size:18px;line-height:1.65}.question-tags{display:flex;gap:7px}.option-list{display:grid;gap:10px;margin-left:50px}.option-item{display:grid;min-height:52px;padding:10px 15px;grid-template-columns:22px 30px minmax(0,1fr);align-items:center;color:#303a4d;background:#fafbfc;border:1px solid var(--line);border-radius:5px;cursor:pointer}.option-item:hover{border-color:#96aa9f}.option-item:has(input:checked){background:#f0f7f4;border-color:var(--brand)}.option-item input{accent-color:var(--brand)}.option-key{font-weight:800}.option-text{line-height:1.5}.blank-input{width:calc(100% - 50px);height:48px;margin-left:50px;padding:0 14px;border:1px solid var(--line);border-radius:5px;outline:none}.blank-input:focus,.phone-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,107,77,.1)}.submit-area{display:flex;padding:25px 0;align-items:center;justify-content:space-between}.submit-area p{color:var(--muted);font-size:13px}
.modal-backdrop{position:fixed;inset:0;z-index:50;display:flex;padding:20px;align-items:center;justify-content:center;background:rgba(13,20,31,.58)}.modal-backdrop[hidden]{display:none}.modal{position:relative;width:min(430px,100%);padding:34px;background:#fff;border-radius:8px;box-shadow:0 24px 60px rgba(0,0,0,.2)}.modal h2{margin:7px 0 8px;font-size:24px}.modal-close{position:absolute;top:13px;right:15px;width:34px;height:34px;padding:0;color:var(--muted);background:transparent;border:0;cursor:pointer;font-size:27px}.modal-tip{margin:0 0 24px;padding:12px 14px;color:#755713;background:#fff8e5;border-left:3px solid var(--accent);font-size:13px;line-height:1.6}.field-label{display:block;margin-bottom:8px;font-size:14px;font-weight:700}.phone-input{width:100%;height:50px;padding:0 14px;border:1px solid var(--line);border-radius:5px;outline:none;font-size:17px}.result-page{display:flex;min-height:100vh;padding:30px;align-items:center;justify-content:center;background:#f3f6f5}.result-panel{width:min(560px,100%);padding:48px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.result-mark{display:flex;width:58px;height:58px;margin:0 auto 20px;align-items:center;justify-content:center;color:#fff;background:var(--brand);border-radius:50%;font-size:28px}.result-panel h1{margin:8px 0;font-size:30px}.result-exam,.result-note{color:var(--muted)}.score-display{margin:25px 0}.score-display strong{color:var(--brand);font-size:72px}.score-display span{font-size:20px}
@media(max-width:760px){.shell{width:min(100% - 24px,1120px)}.home-main{padding:35px 0 60px}.section-heading{align-items:start}.section-heading h1,.exam-intro h1{font-size:28px}.exam-count{margin-top:10px}.exam-grid{grid-template-columns:1fr}.exam-card{min-height:220px}.detail-main{padding:25px 0}.exam-intro{padding:26px 20px}.stat-row{grid-template-columns:1fr}.stat-row div,.stat-row div:first-child{padding:13px 0;border-right:0;border-bottom:1px solid var(--line)}.stat-row div:last-child{border-bottom:0}.exam-header-inner{height:70px}.exam-heading{min-width:0}.exam-heading h1{max-width:200px;font-size:16px}.timer strong{font-size:18px}.exam-layout{display:block;padding-top:16px}.answer-nav{position:static;margin-bottom:12px}.answer-summary{margin-bottom:10px}.answer-dots{grid-template-columns:repeat(8,1fr)}.question-block{padding:20px 15px}.question-title{grid-template-columns:34px minmax(0,1fr);gap:8px}.question-title h2{font-size:16px}.option-list{margin-left:0}.blank-input{width:100%;margin-left:0}.submit-area{flex-direction:column;gap:12px}.submit-area .button{width:100%}.modal{padding:28px 20px}.result-panel{padding:38px 20px}.score-display strong{font-size:60px}}
@media(max-width:390px){.answer-dots{grid-template-columns:repeat(6,1fr)}.section-heading{display:block}.exam-heading h1{max-width:160px}}
.option-item.judge-option{grid-template-columns:22px minmax(0,1fr)}
.modal-backdrop{overflow-y:auto}.modal{max-height:calc(100dvh - 40px);overflow-y:auto}
.progress-track span{background:var(--brand)}
.option-item:hover{border-color:#80caff}.option-item:has(input:checked){background:#eef7ff}
.blank-input:focus,.phone-input:focus{box-shadow:0 0 0 3px rgba(0,149,255,.12)}
.notice{background:#eef7ff}
.result-page{background:#f2f7fb}
.site-pagination{display:flex;margin-top:28px;justify-content:center;overflow-x:auto}
.site-pagination>ul{display:flex;margin:0;padding:0;align-items:center;gap:7px;list-style:none}
.site-pagination li{display:block}
.site-pagination li>a,.site-pagination li>span{display:flex;min-width:38px;height:38px;padding:0 12px;align-items:center;justify-content:center;color:#526173;background:#fff;border:1px solid var(--line);border-radius:5px;text-decoration:none;white-space:nowrap}
.site-pagination li>a:hover{color:var(--brand);border-color:#80caff;background:#f4faff}
.site-pagination li.active>span,.site-pagination li.active>a{color:#fff;background:var(--brand);border-color:var(--brand)}
.site-pagination li.disabled>span{color:#a7b0bc;background:#f7f9fb;cursor:not-allowed}
@media(max-width:560px){.site-pagination{justify-content:flex-start}.site-pagination li>a,.site-pagination li>span{min-width:34px;height:34px;padding:0 9px}}
.question-block.is-unanswered{border-color:#d84a4a;box-shadow:0 0 0 2px rgba(216,74,74,.08)}
.answer-error{margin:6px 0 0}

/* Candidate UI refinements */
.stat-row{grid-template-columns:repeat(2,1fr)}
.button:disabled,.button.is-disabled{opacity:1;color:#fff;background:#aab3bf;cursor:not-allowed}
.button-primary:hover:not(:disabled){background:var(--brand-dark)}
.question-title{display:flex;min-height:36px;margin-bottom:22px;align-items:center;gap:12px}
.question-number{width:36px;height:36px;flex:0 0 36px;background:var(--brand)}
.question-type{flex:0 0 auto;padding:5px 10px;color:#526173;background:#eef7ff;border-radius:4px;font-size:12px;white-space:nowrap}
.question-title h2{min-width:0;margin:0;font-size:18px;line-height:1.65}
.option-list{margin-left:48px}
.blank-input{width:calc(100% - 48px);margin-left:48px}
.correct-display{display:flex;margin:28px 0;align-items:baseline;justify-content:center;gap:10px;color:var(--muted);font-size:20px}
.correct-display strong{color:var(--brand);font-size:64px;line-height:1}
@media(max-width:760px){
    .exam-intro h1{font-size:24px;line-height:1.45;overflow-wrap:anywhere}
    .exam-intro>.button{display:flex;width:min(100%,360px);margin-left:auto;margin-right:auto}
    .question-title{display:grid;grid-template-columns:36px auto minmax(0,1fr);gap:10px;align-items:center}
    .question-title h2{font-size:16px}
    .option-list{margin-left:0}
    .blank-input{width:100%;margin-left:0}
    .correct-display strong{font-size:54px}
}

/* Grouped question layout and centered answer header */
.exam-header{position:relative}
.exam-header-inner{height:auto;min-height:144px;padding:24px 0;display:grid;grid-template-columns:minmax(0,1fr);align-content:center;justify-items:center;gap:14px}
.exam-title{width:100%;max-width:900px;text-align:center}
.exam-title h1{margin:0;color:var(--brand);font-size:28px;line-height:1.45;font-weight:800;overflow-wrap:anywhere}
.exam-header-meta{display:flex;align-items:center;justify-content:center;gap:18px;color:var(--muted);font-size:13px}
.working-label{color:var(--brand);font-weight:700}
.timer{display:flex;align-items:baseline;gap:7px;text-align:left}
.timer span{display:inline}
.timer strong{font-size:17px}
.exam-layout{padding-top:24px}
.answer-nav{top:24px}
.question-section-heading{display:flex;margin:30px 0 14px;padding:17px 20px;align-items:center;gap:4px;color:var(--ink);background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:18px}
.question-section-heading strong{font-weight:700}
.question-section-heading span{font-size:16px;font-weight:700}
.question-title{display:flex;min-height:32px;margin-bottom:20px;align-items:flex-start;gap:5px}
.required-mark{flex:0 0 auto;margin-top:2px;color:#e23d3d;font-weight:700}
.question-number-text{flex:0 0 auto;font-size:18px;line-height:1.65;font-weight:700;white-space:nowrap}
.question-title h2{flex:0 1 auto;margin:0;font-size:18px;line-height:1.65}
.question-type-hint{display:inline;margin-left:6px;color:#8994a5;font-size:16px;font-weight:700;white-space:nowrap}
.option-list{margin-left:0}
.blank-input{width:100%;margin-left:0}
@media(max-width:760px){
    .exam-header-inner{min-height:126px;padding:20px 0;gap:11px}
    .exam-title h1{font-size:22px;line-height:1.45}
    .exam-header-meta{gap:13px;font-size:12px}
    .timer strong{font-size:15px}
    .question-section-heading{margin-top:26px;padding:15px 18px;font-size:17px}
    .question-section-heading span{font-size:15px}
    .question-title{display:flex;flex-wrap:wrap;gap:4px}
    .question-number-text,.question-title h2{font-size:16px}
    .question-title h2{flex:1 1 calc(100% - 42px)}
    .question-type-hint{margin-left:5px;font-size:14px}
}

/* Exam availability details */
.exam-schedule{display:grid;margin-top:18px;padding-top:16px;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;border-top:1px solid var(--line)}
.exam-schedule div{min-width:0}
.exam-schedule span,.exam-schedule strong{display:block}
.exam-schedule span{margin-bottom:5px;color:var(--muted);font-size:12px}
.exam-schedule strong{color:#364258;font-size:13px;line-height:1.5;font-weight:700;overflow-wrap:anywhere}
.exam-header-meta{width:100%;justify-content:center}
.exam-header-meta[hidden]{display:none}
.timer{justify-content:center}
@media(max-width:560px){
    .exam-schedule{grid-template-columns:1fr;gap:10px}
}