/* ============================================================
   广东丰牛网络科技有限公司 - GEO 优化服务官网
   深蓝 + 金色 商务高端风格
   ============================================================ */
:root {
  --navy-900: #081a35;
  --navy-800: #0b2347;
  --navy-700: #10315f;
  --navy-600: #16407c;
  --gold-500: #c9a050;
  --gold-400: #d9b56b;
  --gold-300: #e8cf9a;
  --ink: #1c2b3a;
  --ink-soft: #4a5a6b;
  --line: #e3e8ee;
  --bg-soft: #f5f7fa;
  --white: #ffffff;
  --shadow: 0 12px 40px rgba(8, 26, 53, .10);
  --radius: 14px;
  --max: 1180px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.75;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--navy-900); color: #c7d3e4; font-size: 13px; }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.topbar a { color: var(--gold-400); }
.topbar .tb-year { color: var(--gold-300); font-weight: 700; letter-spacing: .3px; }
.topbar .tb-wx { color: var(--gold-400); cursor: pointer; font-weight: 600; }
.topbar .tb-wx:hover { color: var(--gold-300); }
.topbar .tb-links { display: flex; gap: 18px; }

/* ---------- 导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(217,181,107,.28);
  flex: 0 0 44px; /* 防止被文字挤压变形 */
}
.logo-mark .bull-ico { height: 40px; width: auto; max-width: 100%; flex: none; display: block; object-fit: contain; }
.logo-text .cn { font-size: 19px; font-weight: 700; color: var(--navy-800); line-height: 1.2; }
.logo-text .en { font-size: 11px; color: var(--ink-soft); letter-spacing: .5px; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 10px 16px; font-size: 15.5px; font-weight: 500;
  color: var(--ink); border-radius: 8px; transition: .2s;
}
.nav a:hover { color: var(--navy-600); background: var(--bg-soft); }
.nav a.active { color: var(--navy-700); font-weight: 600; box-shadow: inset 0 -3px 0 var(--gold-500); border-radius: 8px 8px 0 0; }
.nav .nav-cta {
  margin-left: 14px; background: var(--navy-800); color: #fff !important;
  padding: 11px 22px; border-radius: 999px; font-weight: 600;
}
.nav .nav-cta:hover { background: var(--navy-600); }

/* ---------- 首页 Hero ---------- */
.hero {
  background:
    radial-gradient(1000px 480px at 85% -10%, rgba(201,160,80,.18), transparent 60%),
    radial-gradient(800px 420px at 8% 110%, rgba(22,64,124,.55), transparent 60%),
    linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 55%, var(--navy-700) 100%);
  color: #fff; padding: 96px 0 110px; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px; pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(217,181,107,.5); color: var(--gold-300);
  padding: 6px 16px; border-radius: 999px; font-size: 13.5px; margin-bottom: 26px;
}
.hero h1 { font-size: 44px; line-height: 1.28; font-weight: 800; letter-spacing: .5px; }
.hero h1 em { font-style: normal; color: var(--gold-400); }
.hero p.lead { margin: 22px 0 36px; font-size: 17px; color: #b9c7da; max-width: 560px; }
.btn { display: inline-block; padding: 14px 32px; border-radius: 999px; font-size: 16px; font-weight: 600; transition: .25s; cursor: pointer; border: none; }
.btn-gold { background: linear-gradient(135deg, var(--gold-500), var(--gold-400)); color: var(--navy-900); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(201,160,80,.4); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.45); color: #fff; margin-left: 14px; }
.btn-ghost:hover { border-color: var(--gold-400); color: var(--gold-300); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 38px; margin-top: 48px; }
.hero-stats .num { font-size: 32px; font-weight: 800; color: var(--gold-400); }
.hero-stats .num small { font-size: 18px; font-weight: 700; margin-left: 2px; }
.hero-stats .lbl { font-size: 13.5px; color: #9db0c8; }

/* Hero 右侧模拟 AI 对话卡片 */
.ai-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px; padding: 26px; backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}
.ai-card .chat-title { font-size: 13px; color: #9db0c8; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.ai-card .dot { width: 8px; height: 8px; border-radius: 50%; background: #58d68d; }
.chat-msg { border-radius: 12px; padding: 12px 16px; font-size: 14px; margin-bottom: 14px; line-height: 1.7; }
.chat-q { background: rgba(255,255,255,.1); color: #dfe8f3; margin-left: 40px; }
.chat-a { background: rgba(201,160,80,.16); border: 1px solid rgba(201,160,80,.4); color: #f2e6c9; }
.chat-a strong { color: var(--gold-300); }
.chat-src { font-size: 12px; color: #8fa3bd; margin-bottom: 20px; padding-left: 4px; }

/* ---------- 通用区块 ---------- */
.section { padding: 92px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 58px; }
.section-head .kicker { color: var(--gold-500); font-weight: 700; font-size: 14px; letter-spacing: 3px; margin-bottom: 14px; }
.section-head h2 { font-size: 34px; color: var(--navy-800); font-weight: 800; line-height: 1.35; }
.section-head p { margin-top: 16px; color: var(--ink-soft); font-size: 16px; }

/* 卡片 */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; transition: .25s; position: relative;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(201,160,80,.5); }
.card .icon {
  width: 54px; height: 54px; border-radius: 13px; margin-bottom: 20px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  color: var(--gold-400); display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.card h3 { font-size: 19px; color: var(--navy-800); margin-bottom: 12px; }
.card p { font-size: 14.5px; color: var(--ink-soft); }
.card .num-badge {
  position: absolute; top: 26px; right: 26px; font-size: 30px; font-weight: 800;
  color: rgba(201,160,80,.28);
}

/* 平台覆盖 */
.plat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.plat {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  text-align: center; padding: 26px 16px; transition: .25s;
}
.plat:hover { border-color: var(--gold-500); transform: translateY(-4px); }
.plat .p-ico { height: 46px; margin-bottom: 12px; display: flex; align-items: center; justify-content: center; }
.plat .p-ico img { height: 40px; width: 40px; object-fit: contain; }
.plat .p-name { font-weight: 700; color: var(--navy-800); font-size: 16px; }
.plat .p-desc { font-size: 12.5px; color: var(--ink-soft); margin-top: 6px; }

/* 流程 */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.flow-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 26px 20px; position: relative; }
.flow-item::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 26px; font-weight: 800; color: var(--gold-500); display: block; margin-bottom: 10px;
}
.flow-item h4 { font-size: 16px; color: var(--navy-800); margin-bottom: 8px; }
.flow-item p { font-size: 13px; color: var(--ink-soft); }

/* 对比表 */
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
table.cmp { width: 100%; border-collapse: collapse; min-width: 640px; }
.cmp th, .cmp td { padding: 16px 20px; text-align: left; font-size: 15px; border-bottom: 1px solid var(--line); }
.cmp thead th { background: var(--navy-800); color: #fff; font-weight: 600; }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp td:first-child { font-weight: 600; color: var(--navy-800); width: 160px; }
.cmp .good { color: #1c7c46; }
.cmp .bad { color: #b03a2e; }

/* FAQ */
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 14px; }
.faq-item summary { cursor: pointer; padding: 20px 24px; font-weight: 600; color: var(--navy-800); font-size: 16px; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 24px; color: var(--gold-500); font-size: 22px; font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-body { padding: 0 24px 22px; color: var(--ink-soft); font-size: 14.5px; }

/* 案例卡片 */
.case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .25s; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-cover { height: 120px; display: flex; align-items: center; justify-content: center; font-size: 40px; color: #fff; }
.case-body { padding: 26px; }
.case-body h3 { font-size: 18px; color: var(--navy-800); margin-bottom: 10px; }
.case-body p { font-size: 14px; color: var(--ink-soft); margin-bottom: 16px; }
.case-metrics { display: flex; gap: 26px; border-top: 1px dashed var(--line); padding-top: 16px; }
.case-metrics .m b { display: block; font-size: 22px; color: var(--navy-600); }
.case-metrics .m span { font-size: 12px; color: var(--ink-soft); }
.tag { display: inline-block; background: rgba(201,160,80,.14); color: #9a7428; font-size: 12px; padding: 3px 12px; border-radius: 999px; margin-bottom: 12px; }

/* CTA 横幅 */
.cta-band {
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff; padding: 74px 0; text-align: center;
}
.cta-band h2 { font-size: 32px; font-weight: 800; }
.cta-band h2 em { font-style: normal; color: var(--gold-400); }
.cta-band p { color: #b9c7da; margin: 14px 0 32px; }

/* 文章/新闻 */
.news-item {
  display: flex; gap: 24px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; transition: .25s; margin-bottom: 20px;
}
.news-item:hover { box-shadow: var(--shadow); border-color: rgba(201,160,80,.5); }
.news-date {
  flex-shrink: 0; width: 78px; text-align: center; background: var(--bg-soft);
  border-radius: 10px; padding: 12px 0; height: fit-content;
}
.news-date .d { font-size: 26px; font-weight: 800; color: var(--navy-800); line-height: 1.1; }
.news-date .ym { font-size: 12px; color: var(--ink-soft); }
.news-item h3 { font-size: 18px; color: var(--navy-800); margin-bottom: 8px; }
.news-item h3 a:hover { color: var(--navy-600); }
.news-item p { font-size: 14px; color: var(--ink-soft); }
.news-meta { font-size: 12.5px; color: #8a99a9; margin-bottom: 6px; }

/* 文章正文 */
.article { max-width: 820px; margin: 0 auto; }
.article h1 { font-size: 32px; color: var(--navy-800); line-height: 1.4; margin: 10px 0 18px; }
.article .a-meta { color: #8a99a9; font-size: 13.5px; padding-bottom: 22px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.article h2 { font-size: 23px; color: var(--navy-800); margin: 40px 0 16px; padding-left: 14px; border-left: 4px solid var(--gold-500); }
.article h3 { font-size: 18px; color: var(--navy-700); margin: 28px 0 12px; }
.article p { margin-bottom: 16px; color: #33445a; font-size: 15.5px; }
.article ul.ck { margin: 0 0 18px 4px; }
.article ul.ck li { padding-left: 26px; position: relative; margin-bottom: 10px; color: #33445a; font-size: 15px; }
.article ul.ck li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-500); font-weight: 700; }
.article blockquote {
  background: var(--bg-soft); border-left: 4px solid var(--navy-600);
  padding: 16px 20px; border-radius: 8px; color: var(--ink-soft); margin: 20px 0; font-size: 14.5px;
}
.article .toc { background: var(--bg-soft); border-radius: 10px; padding: 20px 24px; margin-bottom: 34px; }
.article .toc b { color: var(--navy-800); }
.article .toc ol { margin: 10px 0 0 20px; font-size: 14px; color: var(--ink-soft); }
.article .toc a:hover { color: var(--navy-600); }

/* 通用勾选列表（文章外也生效） */
ul.ck { margin: 0; padding: 0; list-style: none; }
ul.ck li { padding-left: 26px; position: relative; color: #33445a; font-size: 15px; }
ul.ck li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-500); font-weight: 700; }

/* 联系/表单 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 50px; align-items: start; }
.info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.info-item .ico {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  color: var(--gold-400); display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.info-item b { display: block; color: var(--navy-800); font-size: 15.5px; margin-bottom: 4px; }
.info-item span { color: var(--ink-soft); font-size: 14.5px; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px; box-shadow: var(--shadow); }
.form-card h3 { color: var(--navy-800); font-size: 21px; margin-bottom: 6px; }
.form-card .sub { color: var(--ink-soft); font-size: 14px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--navy-800); margin-bottom: 6px; }
.field label i { color: #c0392b; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14.5px; font-family: inherit; color: var(--ink); background: var(--bg-soft); transition: .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold-500); background: #fff; box-shadow: 0 0 0 3px rgba(201,160,80,.15);
}
.field textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 12.5px; color: #8a99a9; margin-top: 14px; }
.btn-submit { width: 100%; padding: 15px; font-size: 16px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy-900); color: #a8b8cc; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 50px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--gold-500); }
.footer p, .footer li { font-size: 13.5px; line-height: 2; }
.footer a:hover { color: var(--gold-400); }
/* 页脚品牌区：logo 金框徽章 + 公司名 + 微信二维码卡片 */
.footer .f-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.footer .f-logo .logo-mark {
  width: 54px; height: 54px; flex: 0 0 54px; border-radius: 13px;
  background: linear-gradient(150deg, var(--navy-700), var(--navy-800));
  border: 1px solid rgba(201,160,80,.45);
  box-shadow: 0 0 0 3px rgba(201,160,80,.10), 0 10px 24px rgba(0,0,0,.35);
}
.footer .f-logo .logo-mark .bull-ico { height: 46px; }
.footer .f-logo .f-text { min-width: 0; }
.footer .f-logo .cn {
  color: #fff; font-weight: 800; font-size: 17px; letter-spacing: 1px;
  line-height: 1.35; white-space: nowrap;
}
.footer .f-logo .en { color: #7e94b3; font-size: 10px; letter-spacing: .8px; line-height: 1.55; margin-top: 3px; }
.footer .f-qr {
  display: flex; align-items: center; gap: 14px; width: fit-content; max-width: 100%;
  margin-top: 22px; padding: 12px 18px 12px 12px;
  background: linear-gradient(150deg, rgba(201,160,80,.12), rgba(255,255,255,.04));
  border: 1px solid rgba(201,160,80,.32); border-radius: 14px;
}
.footer .f-qr img { width: 80px; height: 80px; padding: 4px; background: #fff; border-radius: 9px; display: block; flex: 0 0 80px; }
.footer .f-qr-info b { display: block; color: var(--gold-300); font-size: 13.5px; font-weight: 700; margin-bottom: 5px; letter-spacing: .5px; }
.footer .f-qr-info span { display: block; font-size: 12px; color: #8fa3bd; line-height: 1.75; }
@media (max-width: 600px) {
  .footer .f-logo .cn { font-size: 16px; }
  .footer .f-qr { padding: 10px 16px 10px 10px; }
}
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding: 20px 0; }
.footer-bottom .wrap { display: flex; justify-content: space-between; font-size: 12.5px; color: #7488a0; flex-wrap: wrap; gap: 8px; }

/* 面包屑 */
.crumb { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 14px 0; font-size: 13.5px; color: var(--ink-soft); }
.crumb a:hover { color: var(--navy-600); }
.crumb .sep { margin: 0 8px; color: #b8c4d0; }

/* 页内 Hero（内页顶部） */
.page-hero {
  background:
    radial-gradient(900px 380px at 90% -20%, rgba(201,160,80,.16), transparent 60%),
    linear-gradient(135deg, var(--navy-900), var(--navy-800) 60%, var(--navy-700));
  color: #fff; padding: 66px 0;
}
.page-hero h1 { font-size: 36px; font-weight: 800; }
.page-hero p { color: #b9c7da; margin-top: 12px; max-width: 720px; }

/* 案例封面图（真实图片） */
.case-cover { height: 200px; overflow: hidden; padding: 0; display: block; }
.case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.case-card:hover .case-cover img { transform: scale(1.05); }

/* ---------- 文章：标签 / 上一条下一条 / 相关新闻 ---------- */
.a-tags { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 38px; padding-top: 26px; border-top: 1px dashed var(--line); }
.a-tags .t-label { font-size: 13.5px; font-weight: 700; color: var(--navy-800); }
.a-tags a { background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-soft); font-size: 13px; padding: 5px 14px; border-radius: 999px; transition: .2s; }
.a-tags a:hover { border-color: var(--gold-500); color: var(--navy-700); }

.pn-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }
.pn-nav a { border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; display: block; background: #fff; transition: .2s; }
.pn-nav a:hover { border-color: var(--gold-500); box-shadow: var(--shadow); }
.pn-nav .pn-lbl { font-size: 12.5px; color: #8a99a9; margin-bottom: 6px; }
.pn-nav .pn-title { font-size: 15px; font-weight: 600; color: var(--navy-800); line-height: 1.5; }
.pn-nav a.next { text-align: right; }
.pn-disabled { border: 1px dashed var(--line); border-radius: 12px; padding: 18px 22px; color: #a9b6c3; font-size: 13.5px; display: flex; align-items: center; }

.related { margin-top: 56px; }
.related h3 { font-size: 20px; color: var(--navy-800); margin-bottom: 18px; padding-left: 12px; border-left: 4px solid var(--gold-500); }
.related ul { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.related li a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; transition: .2s; }
.related li a:hover { border-color: var(--gold-500); }
.related li .r-title { font-size: 14.5px; font-weight: 600; color: var(--navy-800); line-height: 1.55; }
.related li a:hover .r-title { color: var(--navy-600); }
.related li .r-meta { font-size: 12px; color: #8a99a9; margin-bottom: 6px; }

/* ---------- 列表静态分页 ---------- */
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 50px; }
.pagination a, .pagination span { min-width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 0 16px; border: 1px solid var(--line); border-radius: 10px; font-size: 14.5px; color: var(--ink-soft); background: #fff; }
.pagination span.cur { background: var(--navy-800); color: #fff; border-color: var(--navy-800); font-weight: 600; }
.pagination a:hover { border-color: var(--gold-500); color: var(--navy-700); }
.page-tip { text-align: center; color: #8a99a9; font-size: 13px; margin-top: 16px; }

/* ---------- 首页新闻资讯板块 ---------- */
.home-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.hn-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: .25s; display: flex; flex-direction: column; }
.hn-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(201,160,80,.5); }
.hn-card .hn-date { font-size: 12.5px; color: #8a99a9; margin-bottom: 12px; }
.hn-card .hn-date b { color: var(--gold-500); }
.hn-card h3 { font-size: 17px; color: var(--navy-800); margin-bottom: 10px; line-height: 1.55; }
.hn-card p { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 18px; flex: 1; }
.hn-card .more { font-size: 13.5px; color: var(--gold-500); font-weight: 600; }
.hn-card .more:hover { color: var(--navy-600); }

/* ---------- 背景线条纹理 ---------- */
.section.alt { position: relative; }
.section.alt::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(135deg, rgba(11,35,71,.035) 0, rgba(11,35,71,.035) 1px, transparent 1px, transparent 14px);
}
.section.alt > .wrap { position: relative; z-index: 1; }
.page-hero::before, .cta-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0, rgba(255,255,255,.05) 1px, transparent 1px, transparent 22px);
}
.cta-band { position: relative; overflow: hidden; }
.cta-band .wrap { position: relative; z-index: 1; }
.footer { position: relative; }
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 260px; pointer-events: none;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,.03) 0, rgba(255,255,255,.03) 1px, transparent 1px, transparent 22px);
}
.footer .wrap { position: relative; z-index: 1; }

/* ---------- 图片工具类 ---------- */
.img-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.img-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.img-duo { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.img-duo .tall { height: 380px; }
.img-duo .short { height: 380px; display: grid; grid-template-rows: 1fr 1fr; gap: 20px; }

/* ---------- 发展历程时间线 ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--gold-500), var(--navy-600)); }
.tl-item { position: relative; padding: 0 0 34px 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 5px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; border: 3px solid var(--gold-500);
}
.tl-item .tl-year { font-weight: 800; color: var(--navy-800); font-size: 17px; }
.tl-item h4 { display: inline; color: var(--navy-700); font-size: 16px; margin-left: 10px; }
.tl-item p { color: var(--ink-soft); font-size: 14px; margin-top: 6px; }

/* ---------- 微信二维码占位 ---------- */
.qr-box {
  width: 168px; height: 168px; border: 2px dashed var(--gold-500); border-radius: 12px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; color: #9a7428; font-size: 12.5px; text-align: center; background: rgba(201,160,80,.07);
  margin: 0 auto;
}
.qr-box img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }

/* ---------- 右下角微信浮窗 + 咨询弹窗（纯CSS :checkbox hack） ---------- */
.wx-toggle { position: absolute; opacity: 0; pointer-events: none; }
.side-fabs {
  position: fixed; right: 22px; bottom: 26px; z-index: 900;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.fab {
  width: 58px; height: 58px; border-radius: 50%; cursor: pointer; text-decoration: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px;
  transition: transform .25s;
}
.fab:hover { transform: translateY(-4px) scale(1.06); }
.fab svg { width: 25px; height: 25px; }
.fab em { font-style: normal; font-size: 10px; font-weight: 600; letter-spacing: .5px; }
.fab-wx { background: linear-gradient(135deg, #12b76a, #0e9f5c); box-shadow: 0 10px 26px rgba(18,183,106,.42); color: #eafff3; }
.fab-tel { background: linear-gradient(135deg, #1e63b8, #16407c); box-shadow: 0 10px 26px rgba(22,64,124,.4); color: #dfe9f7; }
.fab-msg { background: linear-gradient(135deg, #dfbd77, #b58f45); box-shadow: 0 10px 26px rgba(201,160,80,.45); color: #3d2f0e; }
.wx-modal {
  position: fixed; inset: 0; z-index: 1000; display: none;
  background: rgba(8,26,53,.62); backdrop-filter: blur(4px);
  align-items: center; justify-content: center; padding: 20px;
}
#wxm:checked ~ .wx-modal { display: flex; }
#msgs:checked ~ .msg-modal { display: flex; }
.wx-card {
  background: #fff; border-radius: 18px; max-width: 640px; width: 100%;
  padding: 38px 36px 30px; position: relative; text-align: center;
  box-shadow: 0 30px 80px rgba(8,26,53,.35);
  animation: wxpop .28s ease;
}
@keyframes wxpop { from { transform: translateY(24px) scale(.96); opacity: 0; } to { transform: none; opacity: 1; } }
.wx-card .wx-close {
  position: absolute; top: 14px; right: 18px; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #8a99a9; font-size: 22px; cursor: pointer; transition: .2s;
}
.wx-card .wx-close:hover { background: var(--bg-soft); color: var(--navy-800); }
.wx-card h3 { font-size: 22px; color: var(--navy-800); margin-bottom: 6px; }
.wx-card .wx-sub { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 24px; }
.wx-grid { display: grid; grid-template-columns: 168px 1fr; gap: 28px; align-items: center; text-align: left; }
.wx-grid .qr-lbl { text-align: center; font-size: 12.5px; color: var(--ink-soft); margin-top: 10px; }
.wx-line {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 14px;
}
.wx-line .wx-k { font-size: 13px; color: var(--ink-soft); }
.wx-line .wx-v { font-size: 17px; font-weight: 700; color: var(--navy-800); }
.copy-btn {
  border: none; cursor: pointer; font-size: 13px; font-weight: 600; padding: 7px 16px;
  border-radius: 999px; background: rgba(18,183,106,.12); color: #0e9f5c; transition: .2s; flex-shrink: 0;
}
.copy-btn:hover { background: rgba(18,183,106,.22); }
.call-btn {
  border: none; cursor: pointer; font-size: 13px; font-weight: 600; padding: 7px 16px;
  border-radius: 999px; background: rgba(22,64,124,.1); color: var(--navy-600); text-decoration: none; transition: .2s; flex-shrink: 0;
}
.call-btn:hover { background: rgba(22,64,124,.18); }
.wx-card .wx-note { font-size: 12px; color: #8a99a9; margin-top: 18px; }
.btn-wx { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
/* ---------- 在线留言弹窗 ---------- */
.msg-modal {
  position: fixed; inset: 0; z-index: 1000; display: none;
  background: rgba(8,26,53,.62); backdrop-filter: blur(4px);
  align-items: center; justify-content: center; padding: 20px;
}
.msg-card {
  background: #fff; border-radius: 18px; max-width: 580px; width: 100%;
  padding: 38px 34px 26px; position: relative; text-align: center;
  box-shadow: 0 30px 80px rgba(8,26,53,.35); animation: wxpop .28s ease;
  max-height: 92vh; overflow-y: auto;
}
.msg-card h3 { font-size: 22px; color: var(--navy-800); margin-bottom: 6px; }
.msg-card .wx-sub { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 22px; }
.msg-card .msg-close {
  position: absolute; top: 14px; right: 18px; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #8a99a9; font-size: 22px; cursor: pointer; transition: .2s;
}
.msg-card .msg-close:hover { background: var(--bg-soft); color: var(--navy-800); }
.msg-card .wx-note { font-size: 12px; color: #8a99a9; margin-top: 16px; }
.msg-card textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 14.5px; color: var(--ink); resize: vertical; background: #fff;
}
.msg-card textarea:focus { outline: none; border-color: var(--gold-500); box-shadow: 0 0 0 3px rgba(201,160,80,.12); }


/* ---------- 移动端汉堡菜单（纯CSS） ---------- */
.mnav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.mnav-btn {
  display: none; width: 44px; height: 44px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--line); position: relative; flex-shrink: 0;
}
.mnav-btn span, .mnav-btn span::before, .mnav-btn span::after {
  content: ""; position: absolute; left: 11px; width: 22px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: .25s;
}
.mnav-btn span { top: 21px; }
.mnav-btn span::before { left: 0; top: -7px; }
.mnav-btn span::after { left: 0; top: 7px; }

@media (max-width: 960px) {
  .mnav-btn { display: block; }
  .nav {
    display: none; position: absolute; top: 76px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    border-bottom: 1px solid var(--line); box-shadow: 0 18px 40px rgba(8,26,53,.12);
    padding: 12px 20px 20px; gap: 2px;
  }
  .nav a { padding: 13px 12px; border-radius: 10px; font-size: 16px; }
  .nav a.active { box-shadow: inset 3px 0 0 var(--gold-500); border-radius: 10px; background: var(--bg-soft); }
  .nav .nav-cta { margin: 10px 0 0; text-align: center; }
  .mnav-toggle:checked ~ .nav { display: flex; }
  .mnav-toggle:checked ~ .mnav-btn span { background: transparent; }
  .mnav-toggle:checked ~ .mnav-btn span::before { top: 0; transform: rotate(45deg); }
  .mnav-toggle:checked ~ .mnav-btn span::after { top: 0; transform: rotate(-45deg); }
  .header .wrap { position: relative; }
}
@media (max-width: 600px) {
  .wx-grid { grid-template-columns: 1fr; text-align: center; }
  .wx-line { flex-direction: column; gap: 8px; text-align: center; }
  .wx-card { padding: 30px 22px 24px; }
  .img-duo { grid-template-columns: 1fr; }
  .img-duo .tall, .img-duo .short { height: auto; }
  .img-duo .short { grid-template-rows: none; grid-template-columns: 1fr; }
  .img-duo .short .img-frame { height: 200px; }
  .side-fabs { right: 14px; bottom: 16px; gap: 10px; }
  .fab { width: 52px; height: 52px; }
  .fab svg { width: 23px; height: 23px; }
  .fab em { font-size: 9.5px; }
  .pagination { flex-wrap: wrap; }
}

/* 响应式 */
@media (max-width: 960px) {
  .hero .wrap, .grid-2, .contact-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4, .plat-grid { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .topbar .tb-links { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .home-news-grid { grid-template-columns: 1fr; }
  .related ul { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .header .wrap { height: 64px; }
  .logo { gap: 9px; }
  .logo-mark { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 9px; }
  .logo-mark .bull-ico { height: 33px; }
  .logo-text .cn { font-size: 16px; white-space: nowrap; }
  .logo-text .en { font-size: 9px; letter-spacing: .3px; white-space: nowrap; }
  .grid-3, .grid-4, .plat-grid, .flow, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 76px; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .news-item { flex-direction: column; }
  .section { padding: 64px 0; }
  .pn-nav { grid-template-columns: 1fr; }
  .pn-nav a.next { text-align: left; }
}

/* ---------- 特效：Hero 动态背景（粒子画布 + 光晕浮动） ---------- */
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero .orb { position: absolute; border-radius: 50%; filter: blur(72px); pointer-events: none; opacity: .55; }
.orb-1 { width: 440px; height: 440px; background: rgba(201,160,80,.32); top: -130px; right: -90px; animation: orbFloat 15s ease-in-out infinite; }
.orb-2 { width: 380px; height: 380px; background: rgba(22,64,124,.6); bottom: -150px; left: -110px; animation: orbFloat 19s ease-in-out infinite reverse; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-42px, 32px) scale(1.12); }
}

/* ---------- 特效：AI 对话打字机 ---------- */
.type-cursor { display: inline-block; width: 2px; height: 1em; background: var(--gold-300); margin-left: 2px; vertical-align: -.12em; animation: cursorBlink .8s steps(1) infinite; }
@keyframes cursorBlink { 50% { opacity: 0; } }
.chat-msg.appear, .chat-src.appear { animation: chatIn .5s ease both; }
@keyframes chatIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
#chatStage.chat-swap { opacity: 0; transform: translateY(-14px); transition: .45s ease; }
#chatStage { transition: .45s ease; }
.chat-dots { display: flex; gap: 6px; justify-content: flex-end; margin-top: 14px; }
.chat-dots i { width: 6px; height: 6px; border-radius: 3px; background: rgba(255,255,255,.22); transition: .35s; }
.chat-dots i.on { background: var(--gold-400); width: 20px; }

/* ---------- 特效：滚动渐显（animation 实现，不干扰 hover） ---------- */
.rv { opacity: 0; }
.rv.in { opacity: 1; animation: rvIn .7s ease backwards; }
@keyframes rvIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

/* ---------- 特效：导航滚动阴影 ---------- */
.header { transition: box-shadow .3s ease; }
.header.scrolled { box-shadow: 0 6px 26px rgba(11,35,71,.14); }

/* ---------- 特效：数字滚动发光 ---------- */
.hero-stats .num { text-shadow: 0 0 26px rgba(217,181,107,.35); }

/* ---------- 特效：Hero 大号 GEO 字母动态背景 ---------- */
.geo-bg {
  position: absolute; inset: 0; z-index: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none; overflow: hidden; user-select: none;
}
.geo-bg span {
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;
  font-size: clamp(180px, 34vw, 430px);
  font-weight: 900; line-height: 1; letter-spacing: .02em;
  color: transparent;
  background: linear-gradient(115deg,
    rgba(217,181,107,.05) 0%,
    rgba(238,217,164,.34) 22%,
    rgba(255,255,255,.42) 34%,
    rgba(217,181,107,.18) 46%,
    rgba(96,140,200,.16) 62%,
    rgba(217,181,107,.07) 78%,
    rgba(238,217,164,.22) 100%);
  background-size: 260% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-stroke: 1.5px rgba(217,181,107,.26);
  text-shadow: 0 0 110px rgba(217,181,107,.14);
  animation: geoShine 8s linear infinite, geoFloat 9s ease-in-out infinite;
  will-change: background-position, transform;
}
@keyframes geoShine { from { background-position: 130% 0; } to { background-position: -130% 0; } }
@keyframes geoFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-26px, -14px) scale(1.02); }
}

/* 特效尊重系统"减少动态"设置 */
@media (prefers-reduced-motion: reduce) {
  .hero .orb, .type-cursor, .chat-msg.appear, .chat-src.appear, .geo-bg span { animation: none; }
  .rv { opacity: 1; transform: none; transition: none; }
  #chatStage { transition: none; }
}

/* ---------- 特效：阅读进度条 + 返回顶部 ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 1200; background: linear-gradient(90deg, var(--gold-500), var(--gold-300)); transition: width .1s linear; }
.back-top {
  position: fixed; right: 29px; bottom: 244px; z-index: 890;
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(11,35,71,.15);
  background: #fff; color: var(--navy-700); font-size: 18px; cursor: pointer;
  box-shadow: 0 6px 18px rgba(11,35,71,.16); display: flex; align-items: center; justify-content: center;
  transition: .25s;
}
.back-top:hover { background: var(--navy-800); color: var(--gold-300); transform: translateY(-3px); }
@media (max-width: 960px) {
  .back-top { right: 20px; bottom: 208px; width: 40px; height: 40px; }
}

/* ============================================================
   PBootCMS 动态站适配（后台生成的分页条 class 对齐本站样式）
   ============================================================ */
.pagination .page-num-current,
.pagination .page-num-current:hover { background: var(--navy-800); color: #fff; border-color: var(--navy-800); font-weight: 600; }
.pn-nav .pn-nav-empty { border: 1px dashed var(--line); border-radius: 12px; background: transparent; }

/* ---------- PBootCMS 单页内容片段（后台粘贴的富文本版式） ---------- */
.pg-sec { margin-bottom: 66px; }
.pg-sec:last-child { margin-bottom: 0; }
.pg-content > p, .pg-content > h2, .pg-content > h3 { max-width: 820px; }