:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --muted-2:#64748b;
  --line:#e2e8f0;
  --soft:#f8fafc;
  --soft-2:#f1f5f9;
  --brand:#0b5fff;
  --brand-2:#0a4fe0;
  --ok:#16a34a;
  --warn:#f59e0b;
  --radius:18px;
  --shadow:0 10px 30px rgba(2,6,23,.08);
  --shadow-2:0 8px 22px rgba(2,6,23,.06);
  --max:1120px;
  --font:ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",Arial,"Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.2px}
.logo{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--brand),#4aa3ff);box-shadow:0 10px 20px rgba(11,95,255,.25)}
.brand small{display:block;font-weight:600;color:var(--muted);letter-spacing:0}
nav{display:flex;gap:18px;align-items:center}
nav a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:10px}
nav a:hover{background:var(--soft-2);color:var(--text)}
.nav-cta{background:var(--brand);color:#fff!important;padding:10px 14px!important;border-radius:12px;box-shadow:0 10px 20px rgba(11,95,255,.22)}
.nav-cta:hover{background:var(--brand-2)}
.btn{border:0;cursor:pointer;padding:11px 14px;border-radius:12px;font-weight:700;font-size:14px;transition:.15s ease;white-space:nowrap;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--soft-2)}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:650;padding:7px 10px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--muted)}
.badge{font-size:12px;padding:5px 9px;border-radius:999px;border:1px solid var(--line);display:inline-flex;width:fit-content;color:var(--muted);background:#fff}
.badge.ok{border-color:rgba(22,163,74,.25);background:rgba(22,163,74,.08);color:#166534}
.badge.mix{border-color:rgba(245,158,11,.25);background:rgba(245,158,11,.10);color:#92400e}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-2)}
.card-strong{box-shadow:var(--shadow)}
.card-inner{padding:20px}
.section{padding:26px 0;background:var(--soft)}
.section.white{background:#fff}
.section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:14px}
.section-header h2{margin:0;font-size:18px;letter-spacing:-.2px}
.section-header p{margin:0;color:var(--muted);font-size:13.5px}
footer{padding:22px 0;background:#fff;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px}
footer a{color:var(--muted);text-decoration:underline;text-decoration-color:rgba(100,116,139,.35)}
footer a:hover{color:var(--text)}
.page{
  padding:26px 0 34px;
  background:radial-gradient(860px 260px at 20% 0%, rgba(11,95,255,0.10), transparent 55%),
             linear-gradient(180deg, #ffffff 0%, #ffffff 60%, var(--soft) 100%);
  border-bottom:1px solid var(--line);
}
.crumbs{color:var(--muted);font-size:12.5px;margin-bottom:10px}
.crumbs a{text-decoration:underline;text-decoration-color:rgba(100,116,139,.35)}
.crumbs a:hover{color:var(--text)}
.grid-2{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
@media (max-width:960px){.grid-2{grid-template-columns:1fr}}
.searchbar{display:flex;gap:10px;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:10px}
.searchbar input, .searchbar select{flex:1;border:0;outline:none;background:transparent;font-size:15px;padding:10px 10px;color:var(--text)}
.searchbar select{flex:0 0 170px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 10px}
.table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.trow{display:grid;grid-template-columns:1.2fr .5fr .5fr .5fr;gap:12px;padding:14px 16px;border-top:1px solid var(--line);align-items:center}
.trow:first-child{border-top:0}
.trow.head{background:var(--soft-2);font-size:12.5px;color:var(--muted);font-weight:700}
.trow:hover{background:var(--soft)}
.title{display:flex;flex-direction:column;gap:2px;min-width:0}
.title b{font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.title small{color:var(--muted);font-size:12.5px}
.kv{display:grid;grid-template-columns:160px 1fr;gap:10px 14px;padding-top:12px;border-top:1px solid var(--line);margin-top:14px}
@media (max-width:640px){.kv{grid-template-columns:1fr}}
.k{color:var(--muted);font-size:13px}
.v{color:var(--text);font-size:14px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
.content{margin-top:16px;background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:16px;white-space:pre-wrap;word-break:break-word;font-size:14px}
.sidebar .block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-2);overflow:hidden;margin-bottom:12px}
.sidebar .hd{padding:14px 16px;background:var(--soft-2);border-bottom:1px solid var(--line);font-weight:800;font-size:13.5px}
.sidebar .bd{padding:14px 16px}
.sidebar a.link{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;color:var(--text);font-size:13.5px}
.sidebar a.link:hover{background:var(--soft)}
.sidebar .mini{color:var(--muted);font-size:12.5px;margin:0}
.form{display:grid;gap:12px}
.field{display:grid;gap:6px}
label{font-size:13px;color:var(--muted);font-weight:700}
input[type="text"], input[type="tel"], input[type="email"], input[type="search"], textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 12px;
  font-size:14px;
  outline:none;
  background:#fff;
}
textarea{min-height:120px;resize:vertical}
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:920px){.help-grid{grid-template-columns:1fr}}
.article-card{padding:16px}
.article-card h3{margin:0 0 6px;font-size:15px}
.article-card p{margin:0;color:var(--muted);font-size:13.5px}
.notice{padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--muted);font-size:13.5px}