/* 天荣CMS 城市分站 · 样式 */
:root {
  --blue: #1d5bff;
  --blue-600: #1247cf;
  --teal: #00b8a0;
  --ink: #0a1733;
  --text: #3b4a66;
  --muted: #6b7c99;
  --line: #e6ecf6;
  --soft: #f6f9ff;
  --navy: #071633;
  --wrap: 1120px;
  --radius: 16px;
  --grad: linear-gradient(118deg, #1d5bff, #0f7ae5 48%, #00b8a0);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue); }
img { max-width: 100%; display: block; }
h1, h2, h3 { color: var(--ink); line-height: 1.3; margin: 0; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.wrap { width: min(var(--wrap), calc(100% - 40px)); margin: 0 auto; }

.topbar { background: var(--navy); color: #c7d3ea; font-size: 12.5px; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 12px; min-height: 36px; align-items: center; flex-wrap: wrap; }
.topbar a { color: #dbe4f5; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.header-inner { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand-mark { width: 38px; height: 38px; border-radius: 11px; background: var(--grad); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 15px; }
.brand b { display: block; font-size: 17px; line-height: 1.2; }
.brand span { display: block; font-size: 11px; color: var(--muted); }
.header-nav { display: flex; gap: 2px; flex-wrap: wrap; }
.header-nav a { padding: 8px 11px; border-radius: 8px; color: var(--text); font-size: 14px; }
.header-nav a:hover { background: var(--soft); color: var(--blue-600); }
.header-nav a.on { color: var(--blue-600); font-weight: 600; background: var(--soft); }
.header-tel { font-weight: 700; color: var(--ink); font-size: 15px; white-space: nowrap; }

.hero { padding: 60px 0 52px; background: radial-gradient(700px 380px at 85% 0%, rgba(0,184,160,.13), transparent 60%), radial-gradient(700px 420px at 5% 0%, rgba(29,91,255,.12), transparent 62%), linear-gradient(180deg, #f6f9ff, #fff); border-bottom: 1px solid var(--line); }
.crumb { font-size: 12.5px; color: var(--muted); margin-bottom: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.crumb a { color: var(--muted); }
.hero h1 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 14px; }
.hero h1 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 16.5px; color: var(--muted); max-width: 46em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 12px 22px; border-radius: 999px; font-size: 14.5px; font-weight: 600; transition: .2s; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 24px rgba(29,91,255,.26); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--line); background: #fff; color: var(--ink); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue-600); }

.section { padding: 64px 0; }
.section.soft { background: var(--soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-head .eyebrow, .eyebrow { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; color: var(--blue-600); background: rgba(29,91,255,.07); border: 1px solid rgba(29,91,255,.16); padding: 5px 12px; border-radius: 999px; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 10px; }
.section-head p { color: var(--muted); margin: 0; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 24px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14px; margin: 0; }
.card .num { display: inline-flex; width: 40px; height: 40px; border-radius: 12px; background: var(--soft); align-items: center; justify-content: center; color: var(--blue-600); font-weight: 700; margin-bottom: 12px; }
.check { display: grid; gap: 10px; }
.check li { position: relative; padding-left: 24px; font-size: 14.5px; color: var(--text); }
.check li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal); font-weight: 700; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tags span { font-size: 12px; color: #55647e; background: var(--soft); border: 1px solid var(--line); border-radius: 7px; padding: 4px 9px; }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; background: #fff; display: flex; flex-direction: column; }
.plan.hot { background: linear-gradient(165deg, #0c2350, #0a1733); border-color: transparent; color: #c3d0e8; }
.plan.hot h3, .plan.hot b { color: #fff; }
.plan .price { font-size: 34px; font-weight: 700; color: var(--ink); margin: 12px 0 4px; letter-spacing: -0.02em; }
.plan .price small { font-size: 13px; color: var(--muted); font-weight: 500; }
.plan ul { display: grid; gap: 9px; margin: 18px 0 22px; font-size: 14px; }
.plan ul li { padding-left: 20px; position: relative; }
.plan ul li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.plan .btn { margin-top: auto; }
.steps { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; }
.step { border: 1px solid var(--line); border-radius: 14px; padding: 18px; background: #fff; }
.step b { display: block; color: var(--ink); margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--muted); margin: 0; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 600; color: var(--ink); font-size: 15.5px; list-style: none; position: relative; padding-right: 30px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; color: var(--blue-600); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq .a { color: var(--muted); font-size: 14.5px; padding-bottom: 18px; }
.cta { background: linear-gradient(120deg, #0a2352, #071633 60%, #06323a); border-radius: 20px; padding: 44px; color: #a9b9d6; display: grid; grid-template-columns: 1.4fr auto; gap: 24px; align-items: center; }
.cta h2 { color: #fff; font-size: clamp(22px, 3vw, 30px); margin-bottom: 8px; }
.cta p { margin: 0; }
.cta .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.cities { display: flex; flex-wrap: wrap; gap: 10px; }
.cities a { border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 9px 14px; font-size: 14px; color: var(--text); }
.cities a:hover { border-color: var(--blue); color: var(--blue-600); }
.article-list { display: grid; gap: 14px; }
.article-list a { display: block; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: #fff; }
.article-list a:hover { border-color: var(--blue); }
.article-list b { display: block; color: var(--ink); font-size: 15.5px; margin-bottom: 4px; }
.article-list span { font-size: 13.5px; color: var(--muted); }

.footer { background: var(--navy); color: #93a5c4; padding: 44px 0 24px; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; }
.footer h4 { color: #fff; font-size: 14px; margin: 0 0 12px; }
.footer a { color: #a9bad6; display: block; margin-bottom: 8px; }
.footer a:hover { color: #fff; }
.footer p { margin: 0 0 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 28px; padding-top: 16px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; color: #7486a8; font-size: 12.5px; }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .cta { grid-template-columns: 1fr; padding: 32px; }
  .header-nav { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 36px; }
  .section { padding: 44px 0; }
  .header-tel { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}