/* ===== xinzhou_design_yanmen · 雁门雄关 五台佛青 ===== */
:root {
  --brand: #46648b;
  --brand-deep: #33496b;
  --accent: #d97706;
  --accent-deep: #b45309;
  --bg: #f7f5f0;
  --surface: #ffffff;
  --ink: #1f2937;
  --text: #2d3748;
  --text-soft: #5a6472;
  --text-light: #6b7280;
  --gray: #94a3b8;
  --gray-light: #cbd5e1;
  --radius: 10px;
  --shadow: 0 8px 26px rgba(51,73,107,.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; }
a { color: var(--brand); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ===== 导航：黛蓝城楼通栏 ===== */
.xz-nav { position: sticky; top: 0; z-index: 200; background: linear-gradient(180deg, #33496b 0%, #46648b 100%); color: #fff; transition: box-shadow .25s; }
.xz-nav.is-solid { box-shadow: 0 4px 18px rgba(51,73,107,.4); }
.xz-nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.xz-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 19px; font-weight: 700; letter-spacing: 1px; }
.xz-nav__menu { display: flex; align-items: center; gap: 6px; }
.xz-nav__link { display: inline-flex; align-items: center; gap: 5px; color: rgba(255,255,255,.88); font-size: 15px; padding: 8px 14px; border-radius: var(--radius); text-decoration: none; transition: background .2s, color .2s; }
.xz-nav__link:hover { background: rgba(255,255,255,.12); color: #fff; }
.xz-nav__link.is-active { color: #fbbf24; font-weight: 600; }
.xz-drop { position: relative; }
.xz-drop__panel { position: absolute; top: 100%; left: 0; min-width: 168px; background: #fff; border-top: 3px solid var(--accent); box-shadow: var(--shadow); border-radius: 0 0 var(--radius) var(--radius); opacity: 0; visibility: hidden; transform: translateY(6px); transition: all .22s; padding: 8px 0; }
.xz-drop:hover .xz-drop__panel { opacity: 1; visibility: visible; transform: translateY(0); }
.xz-drop__panel a { display: block; padding: 9px 18px; color: var(--text); font-size: 14px; }
.xz-drop__panel a:hover { background: #eef2f7; color: var(--brand); }
.xz-burger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.xz-burger span { width: 24px; height: 2.5px; background: #fff; border-radius: 2px; }
/* 垛口齿带 */
.xz-nav__cerno { height: 8px; background: repeating-linear-gradient(90deg, var(--accent) 0 16px, transparent 16px 26px); opacity: .9; }

/* ===== Hero：山脊三层视差 ===== */
.xz-hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #24344e 0%, #46648b 55%, #f7f5f0 100%); color: #fff; min-height: 620px; display: flex; align-items: flex-end; }
.xz-hero__layers { position: absolute; inset: 0; pointer-events: none; }
.xz-hero__layer { position: absolute; left: -4%; width: 108%; bottom: -10px; transition: transform .15s linear; }
.xz-hero__layer svg { display: block; width: 100%; height: auto; }
.xz-hero__content { position: relative; z-index: 3; padding: 90px 0 110px; max-width: 660px; }
.xz-hero__kicker { display: inline-flex; align-items: center; gap: 8px; background: rgba(217,119,6,.92); color: #fff; font-size: 13px; letter-spacing: 3px; padding: 6px 16px; border-radius: 4px; margin-bottom: 22px; }
.xz-hero__title { font-size: 42px; line-height: 1.3; margin-bottom: 20px; }
.xz-hero__title em { font-style: normal; color: #fbbf24; }
.xz-hero__desc { font-size: 17px; color: rgba(255,255,255,.85); margin-bottom: 32px; }
.xz-hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }
/* 经幡飘动装饰 */
.xz-flag { position: absolute; z-index: 2; top: 12%; right: 8%; animation: xzFlag 4s ease-in-out infinite; transform-origin: top center; }
.xz-flag.xz-flag--2 { right: 18%; top: 22%; animation-delay: .8s; animation-duration: 5s; }
@keyframes xzFlag { 0%,100% { transform: rotate(-2deg) skewY(0deg); } 50% { transform: rotate(2deg) skewY(1.5deg); } }

/* ===== 通用按钮 ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px; border-radius: var(--radius); font-size: 15px; font-weight: 600; transition: all .25s; border: none; cursor: pointer; position: relative; overflow: hidden; }
.btn .arr { transition: transform .25s; }
.btn:hover .arr { transform: translateX(4px); }
.btn--primary { background: var(--brand); color: #fff; }
.btn--primary:hover { background: var(--brand-deep); color: #fff; }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-deep); color: #fff; }
.btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.75); }
.btn--ghost:hover { background: rgba(255,255,255,.14); color: #fff; }
.btn--line { background: transparent; color: var(--brand); border: 1.5px solid var(--brand); }
.btn--line:hover { background: var(--brand); color: #fff; }

/* ===== 区块通用 ===== */
.section { padding: 84px 0; }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; margin-bottom: 44px; flex-wrap: wrap; }
.sec-head h2 { font-size: 32px; color: var(--ink); position: relative; padding-left: 18px; }
.sec-head h2::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 5px; background: linear-gradient(180deg, var(--accent), var(--brand)); border-radius: 3px; }
.sec-aux { color: var(--text-light); font-size: 14px; }

/* 垛口分隔带（区块间） */
.cerno-sep { height: 10px; background: repeating-linear-gradient(90deg, var(--brand) 0 18px, transparent 18px 30px); opacity: .28; margin: 10px 0; }

/* ===== 业务卡：拱门卡（指纹 B：圆拱顶部） ===== */
.xz-biz__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.xz-biz-card { position: relative; background: var(--surface); border: 1px solid var(--gray-light); border-radius: 60px 60px var(--radius) var(--radius); padding: 44px 24px 26px; text-align: center; transition: transform .25s, box-shadow .25s; display: block; }
.xz-biz-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.xz-biz-ic { display: inline-flex; align-items: center; justify-content: center; width: 62px; height: 62px; border-radius: 50%; background: linear-gradient(135deg, #eef2f7, #dce5f0); color: var(--brand); margin-bottom: 18px; border: 2px solid var(--brand); transition: transform .3s, background .3s, color .3s; }
.xz-biz-card:hover .xz-biz-ic { transform: scale(1.1) rotate(8deg); background: var(--brand); color: #fff; }
.xz-biz-card h3 { font-size: 19px; color: var(--ink); margin-bottom: 10px; }
.xz-biz-card p { font-size: 14px; color: var(--text-soft); margin-bottom: 16px; }
.xz-biz-link { font-size: 14px; color: var(--accent); font-weight: 600; }
.xz-biz-link .arr { display: inline-block; transition: transform .25s; }
.xz-biz-card:hover .xz-biz-link .arr { transform: translateX(4px); }

/* ===== 信任条：垛口底浅色卡排（指纹 A：浅底分格） ===== */
.xz-trust { padding: 56px 0; }
.xz-trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.xz-stat { background: var(--surface); border: 1px solid var(--gray-light); border-bottom: 4px solid var(--brand); border-radius: var(--radius); text-align: center; padding: 28px 14px 24px; transition: transform .25s, border-color .25s; }
.xz-stat:hover { transform: translateY(-6px); border-bottom-color: var(--accent); }
.stat-num { font-size: 42px; font-weight: 800; color: var(--brand); font-variant-numeric: tabular-nums; }
.xz-stat-label { display: block; font-size: 14px; color: var(--text-light); margin-top: 4px; }

/* ===== 流程：横向垛口进度（指纹 C） ===== */
.xz-flow__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.xz-flow__grid::before { content: ''; position: absolute; top: 34px; left: 8%; right: 8%; height: 3px; background: repeating-linear-gradient(90deg, var(--brand) 0 12px, transparent 12px 20px); opacity: .5; }
.xz-flow-step { position: relative; text-align: center; padding: 0 8px; }
.xz-flow__node { position: relative; z-index: 1; width: 68px; height: 68px; margin: 0 auto 16px; border-radius: 50%; background: var(--surface); border: 3px solid var(--brand); color: var(--brand); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px; animation: xzPulse 3s ease-in-out infinite; }
.xz-flow-step:nth-child(2) .xz-flow__node { animation-delay: .5s; }
.xz-flow-step:nth-child(3) .xz-flow__node { animation-delay: 1s; }
.xz-flow-step:nth-child(4) .xz-flow__node { animation-delay: 1.5s; }
@keyframes xzPulse { 0%,100% { box-shadow: 0 0 0 0 rgba(70,100,139,.3); } 50% { box-shadow: 0 0 0 12px rgba(70,100,139,0); } }
.xz-flow-step h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; }
.xz-flow-step p { font-size: 14px; color: var(--text-soft); }

/* ===== 资讯：横向大图条目（指纹 C：左图右文横条） ===== */
.xz-news__list { display: flex; flex-direction: column; gap: 18px; }
.xz-news-item { display: flex; gap: 20px; background: var(--surface); border: 1px solid var(--gray-light); border-radius: var(--radius); padding: 18px; transition: box-shadow .25s, transform .25s; }
.xz-news-item:hover { box-shadow: var(--shadow); transform: translateX(6px); }
.xz-news-item__cover { flex: none; width: 150px; height: 96px; border-radius: 8px; background: linear-gradient(135deg, #46648b, #33496b); color: rgba(255,255,255,.6); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.xz-news-item__body { flex: 1; display: flex; flex-direction: column; }
.xz-news-item__tag { align-self: flex-start; font-size: 12px; color: var(--accent-deep); background: #fef3c7; padding: 3px 10px; border-radius: 4px; margin-bottom: 8px; }
.xz-news-item h3 { font-size: 17px; color: var(--ink); margin-bottom: 6px; }
.xz-news-item p { font-size: 14px; color: var(--text-soft); margin-bottom: 8px; }
.xz-news-item .meta { font-size: 13px; color: var(--gray); margin-top: auto; }

/* 五台塔影装饰 */
.xz-tower { color: var(--brand); opacity: .35; transition: opacity 1s ease, filter 1s ease; }
.xz-tower.is-lit { opacity: .8; filter: drop-shadow(0 0 10px rgba(217,119,6,.45)); }

/* ===== CTA：关城横幅（指纹 B：深蓝底+垛口顶边） ===== */
.xz-cta { position: relative; background: linear-gradient(120deg, #24344e 0%, #33496b 100%); color: #fff; padding: 64px 0; }
.xz-cta::before { content: ''; position: absolute; top: -1px; left: 0; right: 0; height: 10px; background: repeating-linear-gradient(90deg, var(--accent) 0 18px, transparent 18px 30px); }
.xz-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.xz-cta h2 { font-size: 28px; margin-bottom: 8px; color: #fff; }
.xz-cta p { color: rgba(255,255,255,.75); }
.xz-cta__btns { display: flex; gap: 14px; flex-wrap: wrap; }
.xz-cta svg.xz-cta__mo { color: #fbbf24; opacity: .85; }

/* ===== 页头（内页） ===== */
.page-header { position: relative; background: linear-gradient(120deg, #24344e 0%, #46648b 70%, #5a7aa8 100%); color: #fff; padding: 56px 0; overflow: hidden; }
.page-header h1 { font-size: 32px; margin-bottom: 10px; color: #fff; }
.breadcrumb { font-size: 14px; color: rgba(255,255,255,.72); }
.breadcrumb a { color: rgba(255,255,255,.85); }
.xz-page-mo { position: absolute; right: 6%; bottom: 0; color: rgba(255,255,255,.25); }

/* ===== 列表/详情布局 ===== */
.list-layout { display: grid; grid-template-columns: 1fr 300px; gap: 34px; max-width: 1180px; margin: 0 auto; padding: 64px 20px; }
.article-card { display: block; background: var(--surface); border: 1px solid var(--gray-light); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 18px; transition: box-shadow .25s, transform .25s; }
.article-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.article-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; }
.article-card p { font-size: 14px; color: var(--text-soft); margin-bottom: 10px; }
.meta { font-size: 13px; color: var(--gray); }
.side-panel { background: var(--surface); border: 1px solid var(--gray-light); border-radius: var(--radius); padding: 22px; margin-bottom: 22px; }
.side-panel h3 { font-size: 17px; color: var(--ink); padding-bottom: 12px; border-bottom: 2px solid var(--accent); margin-bottom: 14px; }
.side-panel ul { list-style: none; }
.side-panel li { padding: 8px 0; border-bottom: 1px dashed var(--gray-light); font-size: 14px; }
.detail-meta { font-size: 13px; color: var(--gray); margin-bottom: 18px; }
.detail__content { font-size: 15px; color: var(--text-soft); line-height: 1.9; }
.detail__content h2, .detail__content h3 { color: var(--ink); margin: 20px 0 10px; }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 32px; }
.pagination a, .pagination .cur { min-width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius); border: 1px solid var(--gray-light); font-size: 14px; color: var(--text-soft); }
.pagination .cur { background: var(--brand); border-color: var(--brand); color: #fff; }
.pagination a:hover { border-color: var(--brand); color: var(--brand); }

/* 案例 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card { background: var(--surface); border: 1px solid var(--gray-light); border-radius: var(--radius); overflow: hidden; transition: transform .25s, box-shadow .25s; display: block; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-card__cover { height: 140px; background: linear-gradient(135deg, #5a7aa8, #33496b); color: rgba(255,255,255,.6); display: flex; align-items: center; justify-content: center; }
.case-card__body { padding: 20px; }
.case-card__body h3 { font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.case-card__body p { font-size: 14px; color: var(--text-soft); margin-bottom: 12px; }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.case-tags span { font-size: 12px; background: #eef2f7; color: var(--brand-deep); padding: 3px 10px; border-radius: 4px; }

/* 表单 */
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 14px; color: var(--text-soft); margin-bottom: 7px; }
.form-row input, .form-row textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--gray-light); border-radius: var(--radius); font-size: 15px; font-family: inherit; color: var(--text); background: #fff; }
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(70,100,139,.14); }
.flash-ok { background: #f0fdf4; border: 1px solid #86efac; color: #166534; padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: 14px; }
.flash-err { background: #fef2f2; border: 1px solid #fca5a5; color: #991b1b; padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: 14px; }

/* ===== 页脚 ===== */
.xz-footer { background: #1f2937; color: rgba(255,255,255,.8); }
.xz-footer__cerno { height: 10px; background: repeating-linear-gradient(90deg, var(--accent) 0 18px, transparent 18px 30px); }
.xz-footer__top { display: flex; justify-content: space-between; gap: 40px; padding: 48px 20px; flex-wrap: wrap; }
.xz-footer__brand { max-width: 320px; }
.xz-footer__brand p { font-size: 14px; color: rgba(255,255,255,.6); margin-top: 12px; }
.xz-footer__cols { display: flex; gap: 56px; flex-wrap: wrap; }
.xz-footer__col { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.xz-footer__col h4 { color: #fff; font-size: 15px; margin-bottom: 4px; }
.xz-footer__col a { color: rgba(255,255,255,.65); }
.xz-footer__col a:hover { color: #fbbf24; }
.xz-footer__bar { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; }
.footer-bottom { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom a { color: rgba(255,255,255,.65); text-decoration: none; }
.fb-sep { color: rgba(255,255,255,.22); }

/* ===== 滚动渐显 ===== */
.xz-reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.xz-reveal.is-in { opacity: 1; transform: none; }

/* ===== zfkf 悬浮客服（统一标准组件） ===== */
.zfkf-float { position: fixed; right: 20px; bottom: 120px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.zfkf-item { position: relative; width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; text-decoration: none; box-shadow: 0 4px 14px rgba(0,0,0,.18); transition: all .25s; cursor: pointer; }
.zfkf-item:hover { transform: scale(1.08); color: #fff; }
.zfkf-phone { background: #2563eb; }
.zfkf-wechat { background: #07c160; }
.zfkf-consult { background: #f59e0b; }
.zfkf-top { background: #334155; }
.zfkf-tip { position: absolute; right: 56px; top: 50%; transform: translateY(-50%); background: rgba(31,41,55,.9); color: #fff; font-size: 12px; padding: 5px 10px; border-radius: 4px; white-space: nowrap; opacity: 0; visibility: hidden; transition: all .2s; }
.zfkf-item:hover .zfkf-tip { opacity: 1; visibility: visible; }
.zfkf-wechat-mask { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 10000; display: none; align-items: center; justify-content: center; }
.zfkf-wechat-mask.is-show { display: flex; }
.zfkf-wechat-box { background: #fff; border-radius: 10px; padding: 28px 34px; text-align: center; position: relative; }
.zfkf-wechat-box img { width: 200px; height: 200px; object-fit: contain; margin: 0 auto; }
.zfkf-wechat-box p { margin-top: 12px; color: var(--text); font-size: 14px; }
.zfkf-wechat-noimg { width: 200px; height: 200px; display: flex; align-items: center; justify-content: center; background: #eef2f7; border: 2px dashed var(--brand); border-radius: 8px; font-size: 22px; font-weight: 700; color: var(--brand); }
.zfkf-wechat-close { position: absolute; top: 8px; right: 14px; font-size: 22px; color: var(--gray); cursor: pointer; }

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .xz-biz__grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .xz-trust__grid { grid-template-columns: repeat(2, 1fr); }
  .xz-flow__grid { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .xz-flow__grid::before { display: none; }
  .list-layout { grid-template-columns: 1fr; }
  .xz-nav__menu { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #33496b; flex-direction: column; padding: 14px 20px 20px; align-items: stretch; }
  .xz-nav.is-open .xz-nav__menu { display: flex; }
  .xz-burger { display: flex; }
  .xz-hero__title { font-size: 30px; }
  .xz-flag { display: none; }
  .xz-cta__inner { flex-direction: column; text-align: center; }
}
@media (max-width: 600px) {
  .xz-biz__grid, .case-grid, .xz-trust__grid { grid-template-columns: 1fr; }
  .xz-flow__grid { grid-template-columns: 1fr; }
  .xz-news-item { flex-direction: column; }
  .xz-news-item__cover { width: 100%; height: 130px; }
  .xz-hero { min-height: 540px; }
  .xz-hero__title { font-size: 26px; }
  .section { padding: 60px 0; }
}

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion: reduce) {
  .xz-reveal { opacity: 1; transform: none; transition: none; }
  .xz-flow__node, .xz-flag { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* ===== tz-rich-text typography (auto-appended) ===== */
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:first-child{margin-top:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:last-child{margin-bottom:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) p{margin:0 0 1.05em;line-height:1.9}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{margin:1.6em 0 .7em;line-height:1.4;font-weight:700}
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