:root{--bg:#f4f7fb;--panel:#ffffff;--line:#d9e2ef;--ink:#0f172a;--muted:#5b6b84;--accent:#0b5cff;--accent-soft:#e8f0ff;--danger:#b42318}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:SF Pro Display,PingFang SC,Helvetica Neue,sans-serif;color:var(--ink);background:radial-gradient(circle at top,#ffffff 0,var(--bg) 65%)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.shell{min-height:100vh}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:rgba(255,255,255,.88);border-bottom:1px solid rgba(217,226,239,.9)}.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0}.brand{display:flex;flex-direction:column;gap:4px}.brand-title{font-size:22px;font-weight:700;letter-spacing:.08em}.brand-subtitle{font-size:13px;color:var(--muted)}.nav{display:flex;gap:10px;flex-wrap:wrap}.nav a,.nav button{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:10px 16px}.main{padding:36px 0 64px}.hero,.panel{background:var(--panel);border:1px solid var(--line);border-radius:28px;box-shadow:0 20px 60px rgba(15,23,42,.06)}.hero{padding:32px}.hero h1,.page-title{margin:0;font-size:clamp(36px,6vw,54px);line-height:1}.hero p,.muted,.page-desc{color:var(--muted)}.button,.button-danger,.button-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:16px;padding:12px 18px;border:1px solid transparent;min-height:46px}.button{background:var(--ink);color:#fff}.button-secondary{background:#fff;border-color:var(--line)}.button-danger{background:#fff2f0;border-color:#f7b4ad;color:var(--danger)}.grid{display:grid;grid-gap:20px;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.form-field{display:grid;grid-gap:8px;gap:8px}.form-field label{font-size:14px;font-weight:600}.input,.select,.textarea{width:100%;border-radius:16px;border:1px solid var(--line);background:#f8fbff;padding:14px 16px;color:var(--ink)}.textarea{min-height:96px;resize:vertical}.stack{display:grid;grid-gap:16px;gap:16px}.auth-shell{display:grid;place-items:center;min-height:100vh;padding:24px}.auth-card{width:min(520px,100%);padding:32px}.card-list{display:grid;grid-gap:16px;gap:16px}.record-card{padding:22px}.record-head{display:flex;justify-content:space-between;gap:16px;align-items:start;flex-wrap:wrap}.record-meta{display:grid;grid-gap:8px;gap:8px;color:var(--muted);font-size:14px}.pill{display:inline-flex;align-items:center;border-radius:999px;background:var(--accent-soft);color:var(--accent);padding:6px 12px;font-size:13px;font-weight:600}.quote-layout{display:grid;grid-template-columns:360px minmax(0,1fr);grid-gap:20px;gap:20px}.product-list,.quote-items{display:grid;grid-gap:12px;gap:12px;max-height:720px;overflow:auto;padding-right:6px}.product-card,.quote-item-card{padding:16px;border:1px solid var(--line);border-radius:20px;background:#fff}.product-card h3,.quote-item-card h3{margin:8px 0;font-size:18px}.summary-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;margin-top:20px}.empty{padding:24px;border-radius:20px;border:1px dashed var(--line);text-align:center}.empty,.notice{color:var(--muted)}.notice{padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#f8fbff}.error{border-color:#f3b4b4;background:#fff1f1;color:var(--danger)}@media (max-width:960px){.grid-2,.quote-layout{grid-template-columns:1fr}.auth-card,.hero,.panel{padding:24px}}