:root{--ink:#1d2735;--muted:#7b8797;--line:#e7ebf1;--red:#db302a;--amber:#efaa2c;--bg:#f2f5f9}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 "Microsoft YaHei",Arial,sans-serif}.reg-shell{max-width:1380px;margin:auto;padding:22px 28px 60px}.reg-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px 24px;margin-bottom:12px}.reg-head h1{margin:0 0 3px;font-size:24px}.reg-head p{margin:0;color:var(--muted)}.reg-actions{display:flex;gap:8px}.reg-btn{border:1px solid #d5dce6;background:#fff;color:var(--ink);border-radius:5px;padding:8px 13px;cursor:pointer}.reg-btn.primary{background:var(--red);border-color:var(--red);color:#fff}.reg-note{background:#fff;border:1px solid var(--line);border-radius:7px;padding:12px 16px;color:#606d7e;margin-bottom:12px}.reg-panel{background:#fff;border:1px solid var(--line);border-radius:7px;margin-bottom:12px;overflow:hidden}.reg-title{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-bottom:1px solid var(--line);font-weight:700}.reg-title small{font-weight:400;color:var(--muted)}.reg-row{display:grid;grid-template-columns:24px 1fr 105px 105px 125px 230px;gap:10px;align-items:center;padding:8px 16px;border-bottom:1px solid #f0f2f5}.reg-row:hover{background:#fff8f7}.reg-row .name{color:#2168af;text-decoration:underline;cursor:pointer}.reg-row .tag{display:inline-block;color:#fff;background:var(--red);border-radius:3px;padding:1px 5px;margin-left:5px;font-size:11px}.reg-row .muted{color:var(--muted);font-size:12px;text-align:right}.reg-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}.reg-stat{background:#fff;padding:14px 16px}.reg-stat b{display:block;font-size:23px}.reg-stat small{color:var(--muted)}.reg-history{padding:0 16px 14px}.history-day{border:1px solid var(--line);border-radius:6px;margin-top:10px;overflow:hidden}.history-day header{display:flex;justify-content:space-between;padding:10px 12px;background:#fafbfc;font-weight:700}.history-items{display:flex;flex-wrap:wrap;gap:7px;padding:10px 12px}.history-item{color:#266cae;text-decoration:underline;cursor:pointer;background:#f8fafc;border:1px solid #e5eaf0;border-radius:4px;padding:4px 7px}.detail-top{display:flex;justify-content:space-between;align-items:center;padding:18px}.detail-top h2{margin:0;font-size:24px}.detail-price{font-size:27px;font-weight:700;color:var(--red)}.detail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin:0 16px 16px}.detail-grid div{background:#fff;padding:12px}.detail-grid small{display:block;color:var(--muted)}.ai-explain{margin:16px;padding:14px;background:#f7f9fc;border-left:3px solid var(--red)}@media(max-width:900px){.reg-shell{padding:60px 10px 30px}.reg-row{grid-template-columns:22px 1fr 80px 90px;}.reg-row .muted:nth-last-child(-n+2){display:none}.reg-summary{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:repeat(2,1fr)}}