/* 考务通 · 对外静态页共用样式（登录墙外可访问） */
:root{
  --bg:#f7f9fc;--card:#ffffff;--ink:#1b2434;--muted:#5b6779;--line:#e3e9f2;
  --brand:#4338ca;--brand-soft:#eef0ff;--ok:#0f7b52;--warn:#a8610b;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.8;
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:980px;margin:0 auto;padding:0 24px}
.site-header{background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10;backdrop-filter:blur(8px)}
.nav{height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap}
.brand:hover{text-decoration:none}
.brand-mark{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#4338ca,#6366f1);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}
.nav-links{display:flex;align-items:center;gap:18px;font-size:13px;flex-wrap:wrap}
.nav-links a{color:var(--muted)}
.nav-links a.current{color:var(--brand);font-weight:700}
.nav-cta{background:var(--brand);color:#fff!important;padding:6px 14px;border-radius:9px;font-weight:700}
main{padding:44px 0 72px}
.hero{padding:18px 0 30px}
.kicker{font-size:12px;letter-spacing:.14em;color:var(--brand);font-weight:800;text-transform:uppercase}
h1{font-size:32px;line-height:1.35;margin:10px 0 12px;letter-spacing:-.02em}
h2{font-size:21px;margin:44px 0 14px;padding-left:12px;border-left:4px solid var(--brand)}
h3{font-size:16px;margin:24px 0 8px}
p{margin:10px 0}
.lead{font-size:17px;color:var(--muted);max-width:760px;margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 24px;margin:16px 0;
  box-shadow:0 1px 2px rgba(20,35,60,.03)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:16px 0}
.tile{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.tile h4{margin:0 0 8px;font-size:14px}
.tile p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.7}
ul,ol{padding-left:22px;margin:10px 0}
li{margin:6px 0}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13.5px;background:#fff}
th{background:#f1f4fa;text-align:left;font-weight:700;color:#3b4658;padding:10px 12px;border-bottom:1px solid var(--line)}
td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:none}
code{background:#eef1f6;border-radius:4px;padding:1px 5px;font-family:Consolas,"SF Mono",monospace;font-size:12.5px}
.callout{background:var(--brand-soft);border:1px solid #d9dcfb;border-radius:12px;padding:18px 22px;margin:18px 0}
.notice{font-size:13px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:8px;padding:12px 16px;margin:14px 0}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:18px 0}
.step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;position:relative}
.step:before{counter-increment:step;content:counter(step);display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:8px;background:var(--brand);color:#fff;font-size:13px;font-weight:800;margin-bottom:10px}
.step h4{margin:0 0 6px;font-size:14px}
.step p{margin:0;font-size:13px;color:var(--muted);line-height:1.7}
.tag{display:inline-block;font-size:11px;font-weight:700;border-radius:5px;padding:1px 7px;
  background:var(--brand-soft);color:var(--brand);margin-right:6px}
.tag.warn{background:#fff5e5;color:var(--warn)}
.tag.ok{background:#e9f7f0;color:var(--ok)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 8px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:10px;font-weight:700;font-size:14px}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.site-footer{border-top:1px solid var(--line);background:#fff;padding:28px 0 36px;font-size:12.5px;color:var(--muted)}
.site-footer .links{display:flex;flex-wrap:wrap;gap:8px 16px;margin:10px 0}
.site-footer .fine{line-height:1.9}
.updated{color:var(--muted);font-size:12.5px}
/* 联系我们页 */
.contact-grid{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:18px;margin:16px 0;align-items:start}
.qr-card{text-align:center}
.qr-img{display:block;width:min(100%,300px);height:auto;margin:0 auto;border:1px solid var(--line);border-radius:12px;background:#fff}
.qr-caption{font-size:13px;color:var(--muted);margin:12px 0 4px}
.qr-links{font-size:12.5px;margin:0}
.qq-number{font-size:30px;font-weight:800;letter-spacing:.04em;color:var(--ink);
  font-family:Consolas,"SF Mono",monospace;background:#f1f4fa;border:1px solid var(--line);
  border-radius:10px;padding:8px 16px;display:inline-block;user-select:all}
.copy-btn{border:0;cursor:pointer;font-family:inherit}
.copy-tip{font-size:12.5px;color:var(--muted);min-height:1.6em;margin:6px 0 0}
@media (max-width:680px){
  .nav{height:auto;padding:12px 0;flex-direction:column;align-items:flex-start}
  .nav-links{gap:12px}
  h1{font-size:25px}
  main{padding:28px 0 48px}
  .card{padding:18px}
  .contact-grid{grid-template-columns:1fr}
}