:root{--bg:#f4f6f8;--card:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--primary:#111827;--primary2:#374151;--danger:#b91c1c;--warn:#a16207;--ok:#047857;--radius:18px;--shadow:0 1px 2px rgba(0,0,0,.04)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;padding-bottom:88px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:14px max(16px,env(safe-area-inset-left));background:rgba(244,246,248,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,231,235,.8)}.brand{font-weight:800;font-size:18px}.brand span{font-size:11px;color:var(--muted);font-weight:600}.search-link{font-size:28px;line-height:1}.page{max-width:920px;margin:0 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20px 0 0}.customer-hero{padding-right:80px}.form-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.form-grid{grid-template-columns:1fr}.metric-row strong{font-size:17px}.page{padding:13px}.card{padding:14px}.customer-hero h1{font-size:24px}}