:root{--bg:#f7f8fb;--surface:#ffffff;--ink:#172033;--muted:#637083;--line:#dfe5ee;--brand:#0f766e;--brand-dark:#115e59;--accent:#f59e0b;--risk:#b91c1c;--ok:#15803d;--shadow:0 12px 32px rgba(23,32,51,0.08)}*{box-sizing:border-box}html{min-width:320px;background:var(--bg);color:var(--ink);font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif}body{margin:0;min-height:100vh;background:linear-gradient(180deg,rgba(15,118,110,.08),transparent 340px),var(--bg)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.site-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:rgba(247,248,251,.92);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(223,229,238,.85)}.container,.topbar-inner{width:min(1160px,calc(100% - 32px));margin:0 auto}.topbar-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:0}.brand-mark{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;background:var(--brand);color:white;font-size:15px}.nav{display:flex;align-items:center;gap:6px;color:var(--muted)}.nav a{padding:8px 10px;border-radius:6px}.nav a:hover{color:var(--ink);background:rgba(15,118,110,.08)}.main{flex:1 1}.footer{margin-top:72px;border-top:1px solid var(--line);color:var(--muted);padding:28px 0}.hero{padding:68px 0 42px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);grid-gap:36px;gap:36px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-dark);font-weight:700;margin:0 0 14px}.hero h1,.page-title{font-size:52px;line-height:1.06;letter-spacing:0;margin:0}.hero p,.lead{color:var(--muted);font-size:18px;line-height:1.7}.search-form{display:flex;gap:10px;margin-top:28px;max-width:680px}.field input,.field select,.field textarea,.search-form input{width:100%;border:1px solid var(--line);background:white;color:var(--ink);border-radius:8px;padding:13px 14px;outline:none}.field input:focus,.field select:focus,.field textarea:focus,.search-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,118,110,.12)}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:8px;padding:10px 14px;background:var(--brand);color:white;font-weight:700;cursor:pointer;white-space:nowrap}.btn:hover{background:var(--brand-dark)}.btn.secondary{background:white;color:var(--ink);border-color:var(--line)}.btn.secondary:hover{background:#eef5f4}.btn.danger{background:var(--risk)}.hero-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px}.card-grid,.metric-grid{display:grid;grid-gap:14px;gap:14px}.metric-grid{grid-template-columns:repeat(3,1fr)}.metric{border:1px solid var(--line);border-radius:8px;padding:16px;background:#fbfcfe}.metric strong{display:block;font-size:26px}.metric span{color:var(--muted);font-size:13px}.section{padding:34px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}.section h2{margin:0;font-size:26px}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.admin-row,.panel,.product-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 20px rgba(23,32,51,.05)}.product-card{min-height:220px;padding:18px;display:flex;flex-direction:column;gap:12px}.panel h2,.panel h3,.product-card h3{margin:0}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-flex;align-items:center;min-height:26px;padding:4px 8px;border-radius:6px;background:#eef5f4;color:var(--brand-dark);font-weight:700}.status,.tag{font-size:13px}.muted,.status{color:var(--muted)}.page{padding:40px 0}.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;grid-gap:24px;gap:24px;align-items:start}.panel{padding:22px}.stack{display:grid;grid-gap:16px;gap:16px}.field{display:grid;grid-gap:7px;gap:7px}.field label{font-weight:700}.error,.help{font-size:13px}.help{color:var(--muted)}.error{color:var(--risk)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.form-grid .full{grid-column:1/-1}.admin-row{padding:14px;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:16px;gap:16px;align-items:center}.right-actions{justify-content:flex-end}.empty{padding:28px;border:1px dashed var(--line);border-radius:8px;color:var(--muted);background:rgba(255,255,255,.58)}@media (max-width:820px){.container,.topbar-inner{width:min(100% - 24px,1160px)}.topbar-inner{align-items:flex-start;flex-direction:column;padding:12px 0}.nav{width:100%;overflow-x:auto;padding-bottom:3px}.form-grid,.hero-grid,.page-grid{grid-template-columns:1fr}.hero{padding-top:36px}.hero h1,.page-title{font-size:36px}.search-form{flex-direction:column}.admin-row,.card-grid,.metric-grid{grid-template-columns:1fr}.right-actions{justify-content:flex-start}}