:root{--bg:#f6f7fb;--ink:#172033;--muted:#667085;--card:#fff;--line:#e5e7eb;--brand:#4f46e5;--ok:#067647;--warn:#b54708}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font:15px/1.55 system-ui,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}.wrap{max-width:1120px;margin:auto;padding:28px 20px}.nav{justify-content:space-between;align-items:center;padding:18px 0;display:flex}.brand{font-size:20px;font-weight:800}.hero{padding:72px 0 34px}.hero h1{max-width:780px;margin:0 0 18px;font-size:clamp(34px,6vw,62px);line-height:1.05}.muted{color:var(--muted)}.small{font-size:13px}.search,.card,table{background:var(--card);border:1px solid var(--line);border-radius:16px}.search{max-width:680px;margin:26px 0;padding:8px;display:flex}.search input{background:0 0;border:0;outline:0;flex:1;padding:12px;font-size:16px}.button,button{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:10px;padding:11px 16px;font-weight:700;display:inline-block}.button.secondary,button.secondary{color:#3730a3;background:#eef2ff}.grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;display:grid}.product-grid{grid-template-columns:minmax(280px,.75fr) minmax(360px,1.25fr);margin-top:30px}.card{padding:22px}.price{font-size:28px;font-weight:800}.tag{color:#3730a3;background:#eef2ff;border-radius:999px;padding:3px 9px;font-size:12px;display:inline-block}.form{gap:14px;max-width:560px;display:grid}.form input,.form select,.form textarea,.range-form input{border:1px solid var(--line);background:#fff;border-radius:9px;width:100%;padding:11px}.payment-grid{grid-template-columns:1fr 1fr;gap:12px;max-width:500px;margin:0 auto;display:grid}.payment-card{border:1px solid var(--line);text-align:center;color:var(--ink);background:#fff;border-radius:14px;padding:14px}.payment-card.wechat strong{color:#079455}.payment-card.alipay strong{color:#1677ff}.qr-image{background:#fff;border:1px solid #f0f1f3;border-radius:10px;max-width:190px;margin:10px auto;padding:5px}.qr-image img{width:100%;height:auto;display:block}.payment-card span{color:var(--muted);font-size:13px;display:block}.notice{color:#175cd3;background:#eff8ff;border-radius:12px;margin:18px 0;padding:16px}.notice p{margin:6px 0}.notice.warning{color:#93370d;background:#fffaeb}.download-button{text-align:center;width:100%}.section-gap{margin-top:18px}table{border-collapse:collapse;width:100%;overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px;font-size:13px}.flash{color:var(--ok);word-break:break-all;background:#ecfdf3;border-radius:12px;margin:14px 0;padding:16px}.danger{color:#b42318!important;background:#fee4e2!important}.tabs{flex-wrap:wrap;gap:8px;margin:18px 0;display:flex}.stats{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.stats .card strong{font-size:28px;display:block}.range-form{border:1px solid var(--line);background:#fff;border-radius:16px;align-items:end;gap:12px;margin-top:18px;padding:16px;display:flex}.range-form label{flex:1;gap:5px;display:grid}.revenue-stats{margin-top:6px}@media (max-width:800px){.product-grid,.payment-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.search,.range-form{flex-direction:column;align-items:stretch}table{display:block;overflow:auto}}