:root{--bg:#f5f4f0;--card:#fff;--ink:#181818;--muted:#757575;--line:#e6e2d8;--gold:#b58a35;--gold2:#8b6928;--ok:#2f6b4f;--shadow:0 10px 35px rgba(0,0,0,.07)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}body{min-height:100vh}button,input{font:inherit}button{cursor:pointer}.app{min-height:100vh;padding-bottom:96px}.topbar{position:sticky;top:0;z-index:20;background:rgba(245,244,240,.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(181,138,53,.16)}.top-inner{max-width:760px;margin:auto;padding:13px 18px 10px}.brand{display:flex;justify-content:space-between;gap:12px;align-items:center}.brand-title{font-size:14px;font-weight:700}.counter{font-size:12px;color:var(--muted)}.progress-track{height:4px;background:#e8e5dc;border-radius:999px;margin-top:10px;overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,var(--gold2),var(--gold))}.wrap{max-width:760px;margin:auto;padding:24px 16px 0}.hero{padding:34px 4px 18px}.eyebrow{font-size:12px;color:var(--gold2);font-weight:700;letter-spacing:.12em;margin-bottom:10px}h1{font-size:30px;line-height:1.18;margin:0 0 14px}.lead{font-size:15px;color:#555;line-height:1.8;margin:0}.rule{height:1px;background:linear-gradient(90deg,var(--gold),transparent);margin:28px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px 18px;box-shadow:var(--shadow)}.field-label{font-size:14px;font-weight:700;margin-bottom:10px}.name-input{width:100%;border:1px solid #d9d4c8;border-radius:12px;padding:14px 15px;background:#fff;outline:none;font-size:16px}.notice{font-size:13px;color:var(--muted);line-height:1.65;margin-top:12px}.primary{border:0;border-radius:12px;background:#1b1b1b;color:#fff;padding:14px 18px;font-weight:700;width:100%;margin-top:18px}.round-badge{font-size:12px;color:var(--gold2);font-weight:700;margin-bottom:13px}.qmeta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:14px}.qnum{font-size:13px;color:var(--muted)}.qtype{font-size:11px;border:1px solid #d7cfbd;color:var(--gold2);padding:4px 8px;border-radius:999px;background:#fffaf0}.qtext{font-size:18px;line-height:1.68;font-weight:650;white-space:pre-wrap;margin-bottom:20px}.option{display:flex;gap:12px;align-items:flex-start;border:1px solid #e5e1d7;border-radius:14px;padding:14px;margin:10px 0;background:#fff}.option.selected{border-color:var(--gold);background:#fffaf0}.marker{width:28px;height:28px;flex:0 0 28px;border:1px solid #d6d1c4;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#666;margin-top:1px}.option.selected .marker{background:var(--gold2);border-color:var(--gold2);color:#fff}.multi .marker{border-radius:7px}.otext{font-size:15px;line-height:1.65}.hint{font-size:12px;color:var(--muted);margin:3px 0 12px}.nav{position:fixed;left:0;right:0;bottom:0;z-index:30;background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom))}.nav-inner{max-width:760px;margin:auto;display:grid;grid-template-columns:1fr 1.35fr;gap:10px}.btn{border:1px solid #d9d4c8;background:#fff;color:#222;border-radius:12px;padding:13px 14px;font-weight:700}.btn.next{background:#1b1b1b;color:#fff;border-color:#1b1b1b}.btn:disabled{opacity:.35}.review-title{font-size:23px;margin:0 0 8px}.review-desc{font-size:14px;color:var(--muted);line-height:1.7}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.stat{background:#faf8f3;border:1px solid var(--line);border-radius:12px;padding:14px}.stat strong{display:block;font-size:22px;margin-bottom:4px}.stat span{font-size:12px;color:var(--muted)}.unanswered{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.pill{border:1px solid #d8d2c5;background:#fff;border-radius:999px;padding:6px 10px;font-size:12px}.warning{background:#fff7e5;border:1px solid #ead6a8;border-radius:12px;padding:12px 13px;font-size:13px;line-height:1.6;color:#72551d;margin:12px 0}.result-head{text-align:center;padding:14px 4px 24px;border-bottom:1px solid var(--line);margin-bottom:22px}.score{font-size:64px;line-height:1;font-weight:800;margin:8px 0}.score small{font-size:26px}.score-sub{font-size:14px;color:var(--muted);margin-top:10px}.section-title{font-size:18px;font-weight:800;margin:8px 0 14px}.wrong-list{display:grid;gap:14px}.wrong-card{border:1px solid #e6ddd0;border-radius:14px;padding:16px 15px;background:#fffdf8}.wt{font-size:15px;line-height:1.65;font-weight:700;margin-bottom:12px;white-space:pre-wrap}.answer-line{font-size:13px;line-height:1.6;padding:7px 10px;border-radius:9px;margin:6px 0}.answer-line.bad{background:#fff1ef;color:#873b35}.answer-line.good{background:#eef7f0;color:#2f6b4f}.explain{font-size:14px;line-height:1.75;color:#4f4b43;margin-top:10px;padding-top:10px;border-top:1px dashed #ded5c7}.allgood{text-align:center;border:1px solid #cfe3d4;background:#eef7f0;color:#2f6b4f;border-radius:14px;padding:20px;margin:14px 0 22px;font-weight:700}.retry{border:1px solid #1b1b1b;border-radius:12px;background:#1b1b1b;color:#fff;padding:14px 18px;font-weight:800;width:100%;margin-top:22px}.fade{animation:fade .18s ease}@keyframes fade{from{opacity:.3}to{opacity:1}}@media(min-width:700px){.wrap{padding-top:34px}.card{padding:28px 26px}.qtext{font-size:20px}}