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var(--green)}._feedbackBad_revgq_227{background:var(--red-bg);color:#991b1b;border:1px solid var(--red)}._explanation_revgq_232{margin-top:6px;font-size:13px;color:var(--text-sub)}._examBtns_revgq_237{display:flex;gap:8px;margin-top:12px}._examBtns_revgq_237 ._btn-primary_revgq_242{flex:1}._modalMask_revgq_247{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:300;display:flex;align-items:center;justify-content:center;padding:20px}._modal_revgq_247{background:var(--card);border-radius:var(--radius);width:100%;max-width:360px;padding:24px 20px}._pageHead_revgq_264{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #eaf1ff;--bg: #f0f4f8;--card: #ffffff;--text-main: #1a1a2e;--text-sub: #5b6472;--text-light: #9aa3af;--border: #e5eaf0;--green: #16a34a;--green-bg: #f0fdf4;--red: #dc2626;--red-bg: #fef2f2;--orange: #d97706;--orange-bg: #fffbeb;--radius: 14px;--radius-sm: 10px;--shadow: 0 2px 10px rgba(0, 0, 0, .06)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;font-size:15px;line-height:1.6}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:20px 16px 48px}.card{background:var(--card);border-radius:var(--radius);padding:18px;margin-bottom:16px;box-shadow:var(--shadow);border:1px solid var(--border)}.btn{border:none;border-radius:999px;padding:9px 18px;font-weight:600;font-size:.9rem;cursor:pointer;background:#e2e8f0;color:var(--text-main);transition:.15s;font-family:inherit}.btn:hover{filter:brightness(.96)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-danger{background:var(--red);color:#fff}.btn-outline{background:#fff;border:1px solid var(--primary);color:var(--primary)}.input,.select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;background:#fff;font-family:inherit;color:var(--text-main)}.input:focus,.select:focus{outline:2px solid var(--primary-light);border-color:var(--primary)}.section-title{font-size:1.25rem;font-weight:700;margin-bottom:12px}.empty-tip{text-align:center;color:var(--text-light);padding:32px 12px}@media (max-width: 640px){.app-main{padding:14px 12px 40px}.card{padding:14px}}