/* 医芳天地智能考试平台 - 考生端样式 */
:root{--green:#22c55e;--green-d:#15803d;--green-l:#dcfce7;--ink:#1f2937;--gray:#6b7280;--line:#e5e7eb}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;background:#f7faf8;color:var(--ink);font-size:15px;line-height:1.7}
a{color:var(--green-d);text-decoration:none}
/* 顶部导航 */
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav .in{max-width:1000px;margin:0 auto;height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 18px}
.nav .logo{font-size:18px;font-weight:700;color:var(--green-d);display:flex;align-items:center;gap:9px}
.nav .logo .mk{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#22c55e,#15803d);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.nav .menu a{margin-left:22px;font-size:14px;color:#374151}.nav .menu a.on{color:var(--green-d);font-weight:600}
.nav .u{font-size:13px;color:var(--gray)}.nav .u a{margin-left:10px}
.wrap{max-width:1000px;margin:26px auto;padding:0 18px}
.wrap.narrow{max-width:680px}
.card{background:#fff;border-radius:14px;padding:26px 28px;box-shadow:0 2px 10px rgba(0,0,0,.05);margin-bottom:18px}
.card h2{font-size:19px;margin-bottom:6px;color:#111827}.card h3{font-size:16px;margin-bottom:12px}
/* 考试列表 */
.exam-item{display:flex;justify-content:space-between;align-items:center;padding:18px 4px;border-bottom:1px solid #f3f4f6;gap:16px;flex-wrap:wrap}
.exam-item:last-child{border:0}
.exam-item .ti{font-size:16px;font-weight:600;margin-bottom:5px}
.exam-item .meta{font-size:13px;color:var(--gray)}.exam-item .meta span{margin-right:16px}
.btn{display:inline-block;padding:10px 26px;background:var(--green);color:#fff;border:0;border-radius:9px;font-size:15px;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--green-d)}.btn.gray{background:#e5e7eb;color:#374151}.btn.sm{padding:6px 16px;font-size:13px;border-radius:7px}
.btn.outline{background:#fff;color:var(--green-d);border:1.5px solid var(--green)}
/* 表单 */
label.f{display:block;margin:14px 0 6px;font-size:14px;color:#374151}
input[type=text],input[type=password],input[type=number],input[type=file],select,textarea{
  width:100%;padding:11px 13px;border:1px solid #d1d5db;border-radius:9px;font-size:15px;font-family:inherit;outline:none}
input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(34,197,94,.15)}
/* 登录 */
.auth{max-width:400px;margin:70px auto}.auth .card{padding:34px 32px}
.auth .lg{text-align:center;margin-bottom:20px}.auth .lg .mk{width:56px;height:56px;border-radius:15px;background:linear-gradient(135deg,#22c55e,#15803d);color:#fff;font-size:30px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.auth h2{text-align:center;font-size:20px;color:var(--green-d);margin-top:12px}
.tag{display:inline-block;padding:2px 10px;border-radius:11px;font-size:12px}
.tag.g{background:var(--green-l);color:var(--green-d)}.tag.r{background:#fee2e2;color:#b91c1c}.tag.y{background:#fef3c7;color:#92400e}.tag.gray{background:#f3f4f6;color:#6b7280}.tag.b{background:#dbeafe;color:#1e40af}
.tip{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:9px;padding:12px 15px;font-size:13.5px;color:#166534;margin:12px 0;line-height:1.8}
.errbox{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;border-radius:9px;padding:12px 15px;font-size:13.5px;margin:12px 0}
.flash{background:var(--green-l);border:1px solid #86efac;color:#166534;padding:11px 15px;border-radius:9px;margin-bottom:16px;font-size:14px}
.muted{color:var(--gray);font-size:13px}
/* 考试页 */
.exam-head{position:sticky;top:60px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 20px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;z-index:20;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.timer{font-size:22px;font-weight:700;color:var(--green-d);font-variant-numeric:tabular-nums}
.timer.warn{color:#dc2626;animation:blink 1s infinite}
@keyframes blink{50%{opacity:.5}}
.q-block{background:#fff;border-radius:12px;padding:22px 24px;margin-bottom:16px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.q-block .qh{font-size:16px;font-weight:600;margin-bottom:14px;line-height:1.8}
.q-block .qh .no{color:var(--green-d);margin-right:6px}
.q-block .qtype{font-size:12px;color:#fff;background:var(--green);padding:2px 9px;border-radius:10px;margin-right:8px;font-weight:400;vertical-align:2px}
.q-block .qscore{color:var(--gray);font-size:13px;font-weight:400}
.opt{display:flex;align-items:flex-start;gap:11px;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;margin-bottom:9px;cursor:pointer;transition:.15s;line-height:1.6}
.opt:hover{border-color:var(--green);background:#f0fdf4}
.opt input{width:17px;height:17px;margin-top:3px;accent-color:var(--green);flex-shrink:0}
.opt.sel{border-color:var(--green);background:#f0fdf4}
.fill-input{width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;font-size:15px;margin-bottom:8px}
/* 答题卡 */
.ans-card{position:sticky;top:140px}.ans-card .nums{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}
.ans-card .nums a{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:7px;font-size:13px;color:#374151}
.ans-card .nums a.done{background:var(--green);color:#fff;border-color:var(--green)}
.exam-grid{display:grid;grid-template-columns:1fr 230px;gap:18px;align-items:start}
/* 结果页 */
.score-circle{width:150px;height:150px;border-radius:50%;background:conic-gradient(var(--green) calc(var(--p)*1%),#e5e7eb 0);display:flex;align-items:center;justify-content:center;margin:10px auto}
.score-circle .in{width:118px;height:118px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center}
.score-circle .in b{font-size:34px;color:var(--green-d)}.score-circle .in span{font-size:12px;color:var(--gray)}
.q-review{border-left:3px solid var(--green)}
.q-review.wrong{border-left-color:#ef4444}
.q-review .ra{color:#16a34a;font-size:14px;margin-top:8px}.q-review .wa{color:#dc2626;font-size:14px}.q-review .an{background:#f9fafb;border-radius:8px;padding:10px 13px;font-size:14px;margin-top:8px;color:#4b5563}
/* 证书 */
.cert{border:10px solid var(--green);border-radius:8px;padding:50px 40px;text-align:center;background:linear-gradient(#fff,#f0fdf4);position:relative}
.cert h1{color:var(--green-d);font-size:30px;letter-spacing:8px;margin-bottom:30px}
.cert .nm{font-size:26px;font-weight:700;margin:18px 0;border-bottom:2px solid var(--green);display:inline-block;padding:0 40px 6px}
.cert p{margin:10px 0;font-size:15px}.cert .seal{position:absolute;right:60px;bottom:60px;width:110px;height:110px;border:3px solid #dc2626;border-radius:50%;color:#dc2626;display:flex;align-items:center;justify-content:center;font-size:14px;transform:rotate(-12deg);opacity:.85;text-align:center;line-height:1.4}
.footer{text-align:center;color:#9ca3af;font-size:12px;padding:30px 0}
@media(max-width:760px){
  .nav .menu a{margin-left:12px;font-size:13px}.exam-grid{grid-template-columns:1fr}.ans-card{position:static;order:-1}
  .wrap{padding:0 12px}.card{padding:18px 16px}.cert{padding:30px 18px}.cert h1{font-size:22px;letter-spacing:3px}
}