:root{--bg:#f6f7f9;--card:#fff;--text:#14171f;--muted:#5b6372;--line:#e3e6eb;--accent:#4f46e5;--accent-text:#fff;--ok:#2b8a3e;--warn:#c26b00;--err:#c92a2a;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--card:#181b21;--text:#e8eaee;--muted:#9aa3b2;--line:#2a2f38;--accent:#818cf8;--accent-text:#0f1115}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif}a{color:var(--accent);text-decoration:none}.wrap{max-width:1040px;margin:0 auto;padding:0 16px}header.top{border-bottom:1px solid var(--line);background:var(--card)}header.top .wrap{display:flex;align-items:center;gap:20px;height:56px}header.top .brand{font-weight:700;color:var(--text);margin-right:auto;display:inline-flex;align-items:center;gap:8px;font-size:17px;letter-spacing:-.2px}header.top .brand img{width:26px;height:26px;border-radius:7px}header.top .brand b{color:var(--accent);font-weight:700}.receipt{padding:0;overflow:hidden}.receipt .rhead{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line)}.receipt .rhead img{height:30px}.receipt .rhead .rtitle{text-align:right}.receipt .rhead .rtitle strong{display:block;font-size:15px}.receipt table{width:100%;border-collapse:collapse}.receipt td{padding:9px 20px;border-bottom:1px solid var(--line);vertical-align:top}.receipt td:last-child{text-align:right}.receipt tr.total td{font-weight:700;font-size:16px;border-bottom:0}.receipt .rfoot{padding:12px 20px;background:color-mix(in srgb,var(--accent) 6%,transparent);font-size:13px}.secure{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;margin:10px 0 0}main{padding:28px 0 60px}h1{font-size:26px;margin:0 0 6px}h2{font-size:18px;margin:28px 0 12px}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));grid-gap:14px;gap:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px}.card h3{margin:0 0 6px;font-size:16px}.price{font-size:22px;font-weight:700;margin:8px 0 12px}.btn{display:inline-block;border:0;border-radius:8px;padding:9px 16px;font:inherit;cursor:pointer;background:var(--accent);color:var(--accent-text)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}.btn.danger{background:var(--err);color:#fff}.btn.sm{padding:4px 10px;font-size:13px}input,select,textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%}label{display:block;margin:12px 0 4px;font-size:14px;color:var(--muted)}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.badge{display:inline-block;font-size:12px;padding:1px 8px;border-radius:99px;border:1px solid var(--line);color:var(--muted)}.badge.ok{color:var(--ok)}.badge.ok,.badge.warn{border-color:currentColor}.badge.warn{color:var(--warn)}.badge.err{color:var(--err);border-color:currentColor}.code{font-family:ui-monospace,Menlo,monospace;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:8px 10px;word-break:break-all;flex:1 1}.alert{border-radius:8px;padding:10px 14px;border:1px solid var(--line);background:var(--card);margin:12px 0}.alert.err{border-color:var(--err);color:var(--err)}.alert.warn{border-color:var(--warn)}table{width:100%;border-collapse:collapse;background:var(--card);font-size:14px}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:500}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}.two{display:grid;grid-template-columns:1.2fr 1fr;grid-gap:20px;gap:20px}@media (max-width:760px){.two{grid-template-columns:1fr}}footer{color:var(--muted);font-size:13px;padding:20px 0 40px;border-top:1px solid var(--line)}