/* ===== 广州企证技术服务有限公司 官网样式 ===== */
:root {
  --primary: #163a6b;
  --primary-light: #2a5591;
  --accent: #c9a227;
  --accent-dark: #a8871c;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #2c3e50;
  --muted: #6b7a8d;
  --border: #e4e9f0;
  --radius: 12px;
  --shadow: 0 4px 18px rgba(22, 58, 107, .08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; display: block; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶栏 ===== */
.topbar {
  background: var(--primary);
  color: #dbe6f5;
  font-size: 13px;
  padding: 7px 0;
  text-align: center;
}
.topbar .container { padding: 0 12px; }

/* ===== 导航 ===== */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); }
.logo-mark {
  width: 40px; height: 40px; border-radius: 9px; background: var(--primary);
  color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.logo-text { font-weight: 700; font-size: 17px; display: flex; flex-direction: column; line-height: 1.2; }
.logo-sub { font-size: 11px; font-weight: 400; color: var(--muted); }
.main-nav { display: flex; gap: 22px; align-items: center; }
.main-nav a { color: var(--text); font-size: 15px; font-weight: 500; }
.main-nav a:hover, .main-nav a.active { color: var(--primary); }
.nav-cta {
  background: var(--accent); color: #fff !important; padding: 8px 18px; border-radius: 22px; font-weight: 600;
}
.nav-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--primary); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #163a6b 0%, #2a5591 60%, #35619e 100%);
  color: #fff; padding: 64px 0; text-align: center;
}
.hero h1 { font-size: 34px; line-height: 1.35; margin-bottom: 14px; }
.hero .sub { font-size: 17px; color: #d5e2f4; max-width: 760px; margin: 0 auto 22px; }
.hero .tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.hero .tag { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); padding: 6px 16px; border-radius: 20px; font-size: 14px; }
.hero-cta { display: inline-block; background: var(--accent); color: #fff; font-size: 17px; font-weight: 700; padding: 13px 34px; border-radius: 28px; }
.hero-cta:hover { background: var(--accent-dark); color: #fff; }

/* ===== 通用 section ===== */
.section { padding: 56px 0; }
.section.alt { background: #fff; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h1, .section-head h2 { font-size: 28px; color: var(--primary); margin-bottom: 8px; }
.section-head p { color: var(--muted); }

/* ===== 卡片 ===== */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.card h3 { color: var(--primary); margin-bottom: 10px; font-size: 19px; }
.card p { color: var(--muted); font-size: 15px; }
.card .ico { font-size: 30px; margin-bottom: 12px; }

/* ===== 权威机构卡片 ===== */
.auth-card { text-align: center; }
.auth-card .badge { display: inline-block; background: #eef4fb; color: var(--primary); padding: 3px 12px; border-radius: 14px; font-size: 12px; font-weight: 600; margin-bottom: 10px; }
.auth-card h3 { font-size: 18px; }
.auth-card .verify { color: var(--accent-dark); font-weight: 600; font-size: 14px; }

/* ===== 证书列表 ===== */
.cert-list { list-style: none; }
.cert-list li { padding: 12px 16px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.cert-list li:last-child { border-bottom: none; }
.cert-list .name { font-weight: 600; color: var(--text); }
.cert-list .issuer { font-size: 13px; color: var(--muted); }

/* ===== 步骤 ===== */
.steps { display: grid; gap: 16px; grid-template-columns: repeat(5, 1fr); }
.step { text-align: center; padding: 18px 10px; }
.step .n { width: 34px; height: 34px; margin: 0 auto 10px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.step h4 { font-size: 15px; margin-bottom: 4px; }
.step p { font-size: 13px; color: var(--muted); }

/* ===== FAQ ===== */
.faq-item { border: 1px solid var(--border); border-radius: 10px; margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-q { padding: 16px 20px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--primary); }
.faq-a { padding: 0 20px 16px; color: var(--muted); font-size: 15px; display: none; }
.faq-item.open .faq-a { display: block; }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 15px; }
th { background: var(--primary); color: #fff; font-weight: 600; }
tr:nth-child(even) td { background: #fafbfd; }

/* ===== 按钮/CTA ===== */
.cta-box { background: linear-gradient(135deg, #163a6b, #2a5591); color: #fff; border-radius: var(--radius); padding: 40px 30px; text-align: center; }
.cta-box h3 { font-size: 24px; margin-bottom: 10px; }
.cta-box p { color: #d5e2f4; margin-bottom: 22px; }
.btn { display: inline-block; background: var(--accent); color: #fff; font-weight: 700; padding: 12px 30px; border-radius: 26px; font-size: 16px; }
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn-ghost { background: #fff; color: var(--primary); border: 1px solid var(--border); }
.btn-ghost:hover { background: #f0f4f9; color: var(--primary); }

/* ===== 面包屑 ===== */
.breadcrumb { font-size: 13px; color: var(--muted); padding: 16px 0 0; }
.breadcrumb a { color: var(--muted); }

/* ===== 文章/详情页 ===== */
.article { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.article h1 { font-size: 28px; color: var(--primary); margin-bottom: 16px; line-height: 1.4; }
.article h2 { font-size: 21px; color: var(--primary); margin: 28px 0 12px; }
.article h3 { font-size: 17px; margin: 20px 0 8px; }
.article p, .article li { color: #3a4a5c; margin-bottom: 8px; }
.article ul, .article ol { padding-left: 22px; margin-bottom: 12px; }
.article .meta { color: var(--muted); font-size: 13px; margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 14px; }

/* ===== 页脚 ===== */
.site-footer { background: #10243f; color: #b9c7da; padding: 48px 0 24px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 30px; margin-bottom: 30px; }
.footer-grid h4 { color: #fff; margin-bottom: 14px; font-size: 15px; }
.footer-grid a { display: block; color: #b9c7da; margin-bottom: 8px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; text-align: center; font-size: 13px; color: #7e92ad; }
.footer-bottom a { color: #7e92ad; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .grid-3, .grid-4, .grid-2, .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 20px; gap: 14px; border-bottom: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 26px; }
  .article { padding: 24px; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4, .grid-2, .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ===== 开班计划时间表 ===== */
.train-schedule { border:2px solid #163a6b; border-radius:10px; overflow:hidden; box-shadow:0 4px 16px rgba(22,58,107,.12); }
.train-title { background:#3f6db5; color:#fff; text-align:center; padding:14px; font-weight:700; font-size:19px; }
.train-table { width:100%; border-collapse:collapse; }
.train-table td { padding:12px 14px; border-bottom:1px solid #ccdaef; vertical-align:top; font-size:15px; }
.train-label { width:84px; text-align:center; font-weight:700; color:#163a6b; background:#bcd8fa; writing-mode:vertical-lr; letter-spacing:5px; font-size:17px; }
.train-date { width:180px; font-weight:600; color:#c0392b; white-space:nowrap; }
.train-event { color:#2c3e50; }
.train-table tr:nth-child(even) .train-date, .train-table tr:nth-child(even) .train-event { background:#eef5ff; }
.train-note { background:#e8f2ff; padding:14px 18px; font-size:14px; color:#3a4a5c; line-height:1.9; }
@media (max-width:560px) { .train-table { display:block; overflow-x:auto; } .train-date { white-space:normal; } }