/* =========================================================
   精准通科技 · Bootstrap 5 品牌主题层（jztcn-theme.css）
   ---------------------------------------------------------
   作用：在 Bootstrap 5.3 之上映射品牌变量 + 实现 Bootstrap 无法覆盖的品牌专属组件
   品牌色：深蓝 #0C447C / 橙 #F0863C / 琥珀 #FAC775 / 深底 #05203C

   结构：
   1. Bootstrap 变量映射  2. 基础  3. 按钮  4. 顶栏  5. Header/Logo
   6. 导航 navbar  7. Hero  8. GEO/信任条  9. 产品/特性卡  10. 流程
   11. 媒体排版（S1-S7 铁律，含 S4/S3/vg-frame）  12. 案例带  13. 知识卡
   14. 询盘三通道+表单  15. FAQ  16. Footer  17. 浮动条/微信弹层  18. reveal
   19. 产品页组件  20. 文章样式  21. cta-duo  22. 无障碍  23. 打印
   ========================================================= */

/* ---------- 1. Bootstrap 变量覆盖（品牌映射） ---------- */
:root {
  --jzt-brand: #0C447C;
  --jzt-brand-dark: #082E55;
  --jzt-brand-deeper: #05203C;
  --jzt-accent: #F0863C;
  --jzt-accent-dark: #D85A30;
  --jzt-gold: #FAC775;
  --jzt-bg: #F4F6F9;
  --jzt-text: #1E2A38;
  --jzt-muted: #5C6B7A;
  --jzt-line: #E3E8EE;
  --jzt-wechat: #07C160;
  --jzt-wechat-dark: #06AD56;

  --bs-primary: #0C447C;
  --bs-primary-rgb: 12, 68, 124;
  --bs-link-color: #0C447C;
  --bs-link-hover-color: #082E55;
  --bs-body-font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bs-body-color: #1E2A38;
  --bs-body-bg: #F4F6F9;
  --bs-border-radius: 12px;
  --bs-border-radius-sm: 8px;
  --bs-border-radius-lg: 16px;
}

/* ---------- 2. 基础 ---------- */
html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; }
/* 容器：与原站一致（1200px + 20px 内边距） */
.container { padding-left: 14px; padding-right: 14px; }
@media (min-width: 1200px) { .container { max-width: 1200px; } }
@media (min-width: 480.02px) { .container { padding-left: 20px; padding-right: 20px; } }
a { text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
svg { max-width: 100%; }
section { scroll-margin-top: 80px; }
em { font-style: normal; }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }

/* 小节标题 */
.kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--jzt-accent-dark); background: #FDEEDD; padding: 4px 14px; border-radius: 30px; margin-bottom: 12px;
}
.kicker--on-dark { background: rgba(250,199,117,.15); color: var(--jzt-gold); }
.section { padding: 72px 0; }
.section--tint, .section.tint { background: #fff; }
.sec-head { text-align: center; max-width: 820px; margin: 0 auto 44px; }
.sec-head h2 { font-size: clamp(26px, 4vw, 34px); color: var(--jzt-text); font-weight: 700; }
.sec-head h2 em { color: var(--jzt-brand); }
.sec-head p { margin-top: 10px; color: var(--jzt-muted); }
.left-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.left-head h2 { font-size: clamp(24px, 3.5vw, 30px); color: var(--jzt-text); font-weight: 700; }
.left-head h2 em { color: var(--jzt-brand); }
.left-head p { color: var(--jzt-muted); margin-top: 6px; max-width: 640px; }

/* ---------- 3. 按钮：Bootstrap .btn + 品牌修饰 ---------- */
.btn { font-weight: 600; white-space: nowrap; }
.btn-accent { background: var(--jzt-accent); border-color: var(--jzt-accent); color: #fff; box-shadow: 0 4px 14px rgba(240,134,60,.35); }
.btn-accent:hover, .btn-accent:focus { background: var(--jzt-accent-dark); border-color: var(--jzt-accent-dark); color: #fff; }
.btn-brand { background: var(--jzt-brand); border-color: var(--jzt-brand); color: #fff; }
.btn-brand:hover, .btn-brand:focus { background: var(--jzt-brand-dark); border-color: var(--jzt-brand-dark); color: #fff; }
.btn-outline-brand { border-color: var(--jzt-brand); color: var(--jzt-brand); }
.btn-outline-brand:hover { background: var(--jzt-brand); color: #fff; }
.btn-wx { background: var(--jzt-wechat); border-color: var(--jzt-wechat); color: #fff; }
.btn-wx:hover, .btn-wx:focus { background: var(--jzt-wechat-dark); border-color: var(--jzt-wechat-dark); color: #fff; }
.btn-lg { padding: 14px 30px; font-size: 17px; }

/* ---------- 4. 顶栏 ---------- */
.topbar { background: var(--jzt-brand-deeper); color: rgba(255,255,255,.82); font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 34px; gap: 12px; flex-wrap: wrap; padding-top: 6px; padding-bottom: 6px; }
.topbar a { color: inherit; }
.topbar a:hover { color: var(--jzt-gold); }
.topbar .dot { color: var(--jzt-accent); margin-right: 5px; }
.topbar .tb-tel { font-weight: 600; }
.topbar .tb-tel b { color: var(--jzt-gold); font-weight: 800; }
/* 顶栏移动端精简（2026-10-05 移动端专检）：只留「地址简写 + 电话」，
   服务范围 / 邮箱 / 备案在手机端折叠。桌面端与完整地址表述均不受影响
   （完整地址仍在页脚与 JSON-LD 中原文保留）。
   地址简写由 HTML 里的 .tb-addr-full / .tb-addr-short 双 span 切换。 */
@media (max-width: 575.98px) {
  .topbar { font-size: 12.5px; }
  .topbar .container { gap: 2px 12px; }
  .topbar .tb-svc { display: none; }
  .topbar a[href^="mailto:"] { display: none; }
  .topbar a[href*="beian.miit.gov.cn"] { display: none; }
}

/* ---------- 5. Header / Logo ---------- */
.header { background: #fff; border-bottom: 1px solid var(--jzt-line); }
.header-in { display: flex; align-items: center; gap: 24px; padding: 14px 0; }
.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; color: inherit; }
.logo-mark--z { color: var(--jzt-brand); }
.logo-txt b { display: block; font-size: 21px; color: var(--jzt-brand); letter-spacing: 1px; line-height: 1.15; }
.logo-txt span { font-size: 11.5px; color: var(--jzt-muted); letter-spacing: 1.6px; text-transform: uppercase; }
.logo-sub { font-size: 12.5px; color: var(--jzt-muted); border-left: 1px solid var(--jzt-line); padding-left: 20px; line-height: 1.5; }
.hd-phone { text-align: right; }
.hd-phone small { display: block; font-size: 12px; color: var(--jzt-muted); }
.hd-phone a { font-size: 21px; font-weight: 800; color: var(--jzt-accent-dark); letter-spacing: .5px; }
.hd-phone a:hover { color: var(--jzt-accent); }

/* ---------- 6. 导航（Bootstrap navbar 深蓝定制） ---------- */
.nav-wrap { position: sticky; top: 0; z-index: 900; background: var(--jzt-brand); box-shadow: 0 4px 14px rgba(5,32,60,.18); }
.navbar-jzt { --bs-navbar-color: rgba(255,255,255,.92); --bs-navbar-hover-color: var(--jzt-gold); --bs-navbar-active-color: var(--jzt-gold); background: var(--jzt-brand); padding: 0; }
.navbar-jzt .nav-link { padding: 15px 18px !important; font-size: 15px; font-weight: 500; }
.navbar-jzt .nav-link:hover, .navbar-jzt .nav-link.active { background: rgba(255,255,255,.12); }
.navbar-jzt .navbar-toggler { border-color: rgba(255,255,255,.4); margin: 12px 0; }
.navbar-jzt .nav-cta-link { background: var(--jzt-accent); color: #fff !important; font-weight: 600; border-radius: 6px; padding: 8px 18px !important; margin: 7px 0 7px 12px; }
.navbar-jzt .dropdown-menu { border: 1px solid var(--jzt-line); border-top: 3px solid var(--jzt-accent); box-shadow: 0 16px 32px rgba(5,32,60,.16); border-radius: 0 0 10px 10px; padding: 4px 0; }
.navbar-jzt .dropdown-item { padding: 10px 18px; font-size: 14px; }
.navbar-jzt .dropdown-item:hover { background: #F0F6FD; color: var(--jzt-brand); }
.navbar-jzt .dropdown-header { font-size: 12px; color: var(--jzt-accent-dark); font-weight: 700; background: #FDF6EF; }
/* 产品中心拆分为「文字真链接 + 独立下拉按钮」（2026-10-05 入口修复）
   原「链接 + data-bs-toggle 合一」写法会被 Bootstrap preventDefault()，href 永不跳转 */
/* li 内双元素必须并排：Bootstrap .nav-link 为 display:block，箭头按钮会独占一行垂到导航条下方（2026-10-05 视觉缺陷修复） */
.navbar-jzt .nav-item.dropdown { display: flex; align-items: stretch; }
.navbar-jzt .nav-item.dropdown > .nav-link:not(.dropdown-toggle) { padding-right: 5px !important; }
.navbar-jzt .jzt-dd-split { background: transparent; border: 0; color: rgba(255,255,255,.92); padding: 15px 18px 15px 5px; font-size: 15px; line-height: inherit; margin: 0; cursor: pointer; display: inline-flex; align-items: center; }
.navbar-jzt .jzt-dd-split:hover, .navbar-jzt .jzt-dd-split:focus { color: var(--jzt-gold); background: rgba(255,255,255,.12); }
.navbar-jzt .dropdown-divider { margin: 4px 0; border-top-color: var(--jzt-line); }
@media (max-width: 991.98px) {
  /* 折叠态汉堡按钮触控目标：约 48px 高（原 Bootstrap 默认约 38px，低于 44px 推荐值） */
  .navbar-jzt .navbar-toggler { padding: .55rem .85rem; margin: 8px 0; }
  .navbar-jzt .nav-link, .navbar-jzt .nav-cta-link { padding: 12px 20px !important; border-bottom: 1px solid rgba(255,255,255,.08); margin: 0; border-radius: 0; }
  .navbar-jzt .dropdown-menu { border: 0; border-left: 3px solid #DCE8F4; border-radius: 0; box-shadow: none; background: #F7FAFD; }
  .navbar-jzt .dropdown-item { color: var(--jzt-text); }
  .navbar-jzt .nav-item.dropdown > .nav-link:not(.dropdown-toggle) { flex: 1 1 auto; padding-right: 5px !important; }
  .navbar-jzt .jzt-dd-split { padding: 12px 20px 12px 5px; border-bottom: 1px solid rgba(255,255,255,.08); }
}

/* ---------- 7. Hero ---------- */
.hero { position: relative; background: linear-gradient(180deg, #061a2e 0%, #05203c 100%); color: #fff; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; padding: 40px 0 32px; position: relative; }
.hero h1 { margin: 14px 0 0; font-size: clamp(30px, 4.5vw, 44px); line-height: 1.28; letter-spacing: .5px; color: #fff; font-weight: 800; }
.hero h1 em { color: var(--jzt-gold); }
.hero .lead { margin-top: 18px; font-size: 17px; color: rgba(255,255,255,.85); max-width: 560px; }
.hero-chips { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.chip { display: flex; flex-direction: column; gap: 2px; padding: 10px 16px; border-radius: 10px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); font-size: 13px; }
.chip b { color: #fff; font-size: 14px; }
.chip small { color: rgba(255,255,255,.65); }
.chip-accent { background: rgba(240,134,60,.18); border-color: rgba(240,134,60,.4); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tags i { font-style: normal; font-size: 12.5px; color: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.18); padding: 4px 10px; border-radius: 20px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn-tel .bt-txt { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.15; }
.btn-tel .bt-txt small { font-size: 11.5px; opacity: .85; }
.btn-tel .bt-txt b { font-size: 18px; }
.cta-alt { display: inline-block; margin-top: 16px; color: rgba(255,255,255,.78); font-size: 14px; }
.cta-alt b { color: var(--jzt-gold); }
.cta-alt:hover { color: #fff; }
.trust-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 30px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); }
.t-item b { display: block; font-size: 22px; color: var(--jzt-gold); }
.t-item span { font-size: 12.5px; color: rgba(255,255,255,.65); }
/* backdrop-filter 需 -webkit- 前缀：iOS Safari < 16.4 只认前缀版（缺失时仅退化为无模糊，不破版） */
.hero-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 24px; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.hc-title { font-size: 13px; letter-spacing: 1.5px; color: var(--jzt-gold); margin-bottom: 16px; font-weight: 700; }
.flow-step { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed rgba(255,255,255,.14); }
.flow-step:last-child { border-bottom: 0; }
.flow-num { flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--jzt-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; }
.flow-step b { color: #fff; font-size: 15px; }
.flow-step p { color: rgba(255,255,255,.68); font-size: 13px; margin: 2px 0 0; }
.hc-foot { margin-top: 14px; font-size: 12px; color: rgba(255,255,255,.55); }
@media (min-width: 992px) { .hero-grid { grid-template-columns: 1.32fr .68fr; gap: 48px; padding: 74px 0 66px; } .trust-row { grid-template-columns: repeat(4, 1fr); } }

/* ---------- 8. GEO 摘要条 / 信任条 ---------- */
.answer-strip { background: #EAF2FB; border-bottom: 1px solid #D8E7F6; padding: 18px 0; }
.answer-strip p { margin: 0; color: var(--jzt-text); font-size: 14.5px; line-height: 1.75; }
.answer-strip p b { color: var(--jzt-brand); }
.as-badge { display: inline-block; font-size: 12px; font-weight: 700; color: #fff; background: var(--jzt-brand); padding: 2px 10px; border-radius: 4px; margin-right: 8px; }
.trustbar { background: var(--jzt-brand); color: #fff; padding: 12px 0; }
.trustbar .container { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.trustbar .lbl { font-size: 13px; font-weight: 700; color: var(--jzt-gold); white-space: nowrap; }
.trustbar ul { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; padding: 0; list-style: none; }
.trustbar li { font-size: 13.5px; color: rgba(255,255,255,.86); }

/* ---------- 9. 产品卡 / 特性卡 ---------- */
.prod-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.prod-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--jzt-line); border-radius: 14px; padding: 24px 20px; color: inherit; transition: transform .2s, box-shadow .2s; }
.prod-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(8,46,85,.12); border-color: #C9DCF0; }
.prod-ico { width: 56px; height: 56px; border-radius: 12px; background: #EDF4FB; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.prod-card h3 { font-size: 18px; color: var(--jzt-brand); margin: 0 0 10px; }
.prod-card ul { list-style: none; margin: 0 0 14px; padding: 0; }
.prod-card li { font-size: 13.5px; color: var(--jzt-muted); padding: 3px 0 3px 14px; position: relative; }
.prod-card li::before { content: "›"; position: absolute; left: 0; color: var(--jzt-accent); font-weight: 700; }
.prod-card .more { margin-top: auto; font-size: 13.5px; color: var(--jzt-accent-dark); font-weight: 600; }
@media (min-width: 768px) { .prod-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1200px) { .prod-grid { grid-template-columns: repeat(5, 1fr); } }

.feat-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.feat-card { background: var(--jzt-brand); color: #fff; border-radius: 14px; padding: 26px 22px; }
.feat-card .f-ico { width: 50px; height: 50px; border-radius: 12px; background: rgba(255,255,255,.12); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.feat-card h3 { font-size: 17px; color: #fff; margin: 0 0 8px; }
.feat-card p { font-size: 13.5px; color: rgba(255,255,255,.78); margin: 0; line-height: 1.7; }
.feat-card p b { color: var(--jzt-gold); }
@media (min-width: 576px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .feat-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- 10. 合作流程步骤 ---------- */
.steps { display: grid; grid-template-columns: 1fr; gap: 14px; }
.step { background: #fff; border: 1px solid var(--jzt-line); border-radius: 14px; padding: 22px 18px; text-align: center; }
.s-dot { width: 60px; height: 60px; margin: 0 auto 14px; border-radius: 50%; background: #EDF4FB; display: flex; align-items: center; justify-content: center; }
.step h3 { font-size: 16px; color: var(--jzt-text); margin: 0 0 6px; }
.step p { font-size: 12.5px; color: var(--jzt-muted); margin: 0 0 10px; }
.s-time { display: inline-block; font-size: 12px; color: #fff; background: var(--jzt-accent); border-radius: 20px; padding: 2px 12px; }
@media (min-width: 576px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .steps { grid-template-columns: repeat(5, 1fr); } }

/* =========================================================
   11. 媒体排版（S1-S7 铁律 · 2026-09-14 v9，勿简化勿改）
   ---------------------------------------------------------
   S4 等高行画廊 .shot-grid（默认）  /  S3 比例分栏 .shot-grid--s3
   配套 JS：assets/js/media-fit.js 注入 --ar / --arb 并打 is-land / is-port / is-sq
   铁律：凡是用 aspect-ratio 定比例的图片 CSS，必须同时写 height:auto
   ========================================================= */

/* 缺陷修复①：.shot img 必须有 height:auto，否则 HTML height 属性撑破版式 */
.shot-grid > .shot img,
.shot-grid--s3 > .shot img { height: auto; }

/* 缺陷修复②：视频预览卡不再裁切视频边缘（poster 模糊铺底 + contain 真身） */
.vp-stage { overflow: hidden; background-size: contain; background-repeat: no-repeat; background-position: center; }
.vp-stage::before { content: ''; position: absolute; inset: 0; z-index: 0; background-image: inherit; background-size: cover; background-position: center; filter: blur(26px) brightness(.42) saturate(1.2); transform: scale(1.15); }
.vp-stage::after { content: ''; position: absolute; inset: 0; z-index: 0; background-image: inherit; background-size: contain; background-repeat: no-repeat; background-position: center; }
.vp-stage .vp-play { position: relative; z-index: 1; }
.vp-stage.is-playing::before, .vp-stage.is-playing::after { display: none; }
.vp-stage video { object-fit: contain; position: relative; z-index: 1; }

/* ---- S4 等高行画廊 Justified Rows（默认形态） ---- */
.shot-grid { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 14px; margin-top: 24px; }
.shot-grid::after { content: ''; flex: 999 1 0; height: 0; }
.shot-grid > .shot {
  --row-h: 260px;
  flex: var(--arb, 1.3333) 1 calc(var(--arb, 1.3333) * var(--row-h));
  min-width: 0;
  max-width: calc(var(--arb, 1.3333) * 420px);
  align-self: flex-start;
  display: flex;
  flex-direction: column;
}
.shot-grid > .shot img {
  width: 100%; height: auto;
  aspect-ratio: var(--arb, 1.3333);
  object-fit: contain; object-position: 50% 50%;
  background: #F4F6F9; display: block;
}
.shot-grid > .shot .shot-cap { flex: 1 1 auto; }
.shot--tall img { aspect-ratio: auto; max-height: none; }

/* ---- S3 比例自适应分栏（产品页细节 2~8 张） ---- */
.shot-grid--s3 { display: grid; grid-template-columns: repeat(3, 1fr); align-items: start; gap: 14px; }
.shot-grid--s3::after { display: none; }
.shot-grid--s3 > .shot { flex: none; align-self: stretch; min-width: 0; max-width: none; }
.shot-grid--s3 > .shot img {
  width: 100%; height: auto;
  aspect-ratio: var(--ar, 4 / 3);
  object-fit: contain; object-position: 50% 50%;
  background: #F4F6F9;
}
.shot-grid--s3 > .shot.is-land { grid-column: span 2; }

/* ---- 卡片通用外观 ---- */
.shot { position: relative; overflow: hidden; border-radius: 14px; background: #fff; border: 1px solid var(--jzt-line); box-shadow: 0 2px 8px rgba(8,46,85,.05); }
.shot img { width: 100%; display: block; background: #F4F6F9; transition: transform .35s ease; }
.shot:hover img { transform: scale(1.04); }
.shot .shot-cap { padding: 10px 12px 11px; font-size: 12.5px; color: #3A4655; line-height: 1.55; }
.shot .shot-cap b { display: block; color: var(--jzt-text); font-size: 13.5px; margin-bottom: 3px; }

/* ---- 平板：行高降档，S3 收成两列 ---- */
@media (max-width: 1023px) {
  .shot-grid > .shot { --row-h: 200px; }
  .shot-grid--s3 { grid-template-columns: repeat(2, 1fr); }
  .shot-grid--s3 > .shot.is-land { grid-column: 1 / -1; }
}

/* ---- 手机：统一退化为 S3 分栏（横图整行 / 竖图两列），零裁切 ---- */
@media (max-width: 560px) {
  .shot-grid, .shot-grid--s3 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .shot-grid::after { display: none; }
  .shot-grid > .shot { display: flex; flex-direction: column; align-self: stretch; }
  .shot-grid > .shot img { width: 100%; height: auto; aspect-ratio: var(--ar, 4 / 3); }
  .shot-grid > .shot.is-land, .shot-grid--s3 > .shot.is-land { grid-column: 1 / -1; }
  .shot-grid > .shot .shot-cap, .shot-grid--s3 > .shot .shot-cap { padding: 9px 10px 10px; font-size: 12px; }
}

/* ---- 视频栏目卡（video 页 .vg-frame）方向自适应 ---- */
.vg-frame { overflow: hidden; }
.vg-frame::before { content: ''; position: absolute; inset: 0; z-index: 0; background-image: var(--bg, none); background-size: cover; background-position: center; filter: blur(20px) brightness(.45); transform: scale(1.12); }
.vg-frame img, .vg-frame video { position: relative; z-index: 1; object-fit: contain; }

/* ---------- 12. 案例带 ---------- */
.case-band { background: linear-gradient(120deg, var(--jzt-brand) 0%, #145AA3 100%); color: #fff; border-radius: 16px; padding: 30px; }
.cb-tag { display: inline-block; font-size: 12px; color: var(--jzt-gold); border: 1px solid rgba(250,199,117,.4); padding: 3px 12px; border-radius: 20px; margin-bottom: 14px; }
.case-band h3 { font-size: clamp(22px, 3vw, 30px); color: #fff; margin: 0 0 20px; }
.case-band h3 small { color: var(--jzt-gold); font-size: .8em; }
.case-nums { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.case-num b { display: block; font-size: 26px; color: var(--jzt-gold); }
.case-num span { font-size: 12.5px; color: rgba(255,255,255,.72); }
.cb-sub { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.75); line-height: 1.7; }
@media (min-width: 768px) { .case-nums { grid-template-columns: repeat(4, 1fr); } }

/* ---------- 13. 知识卡 ---------- */
.know-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.know-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--jzt-line); border-radius: 14px; overflow: hidden; color: inherit; transition: transform .2s, box-shadow .2s; }
.know-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(8,46,85,.12); }
.know-cover { background: #EDF4FB; display: flex; align-items: center; justify-content: center; padding: 14px; }
.know-body { padding: 18px 20px; display: flex; flex-direction: column; flex: 1; }
.k-cat { font-size: 12px; color: var(--jzt-accent-dark); font-weight: 700; }
.know-body h3 { font-size: 16.5px; color: var(--jzt-text); margin: 8px 0; line-height: 1.5; }
.know-body p { font-size: 13.5px; color: var(--jzt-muted); margin: 0 0 12px; }
.know-body .more { margin-top: auto; font-size: 13.5px; color: var(--jzt-accent-dark); font-weight: 600; }
@media (min-width: 992px) { .know-grid { grid-template-columns: repeat(3, 1fr); } }

.kgrid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.kcard { display: block; background: #fff; border: 1px solid var(--jzt-line); border-radius: 14px; padding: 20px; color: inherit; transition: transform .2s, box-shadow .2s; }
.kcard:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(8,46,85,.1); }
.kc-cat { font-size: 12px; color: var(--jzt-accent-dark); font-weight: 700; margin-bottom: 8px; }
.kcard h3 { font-size: 16px; color: var(--jzt-text); margin: 0 0 8px; line-height: 1.5; }
.kcard p { font-size: 13px; color: var(--jzt-muted); margin: 0; }
.kmore { text-align: center; margin-top: 22px; }
.kmore a { color: var(--jzt-brand); font-weight: 600; }
@media (min-width: 576px) { .kgrid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .kgrid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- 14. 询盘三通道 + 表单 ---------- */
.inquiry { background: #fff; }
.inq-head { max-width: 720px; margin-bottom: 34px; }
.inq-head h2 { font-size: clamp(26px, 4vw, 34px); color: var(--jzt-text); font-weight: 700; }
.inq-head h2 em { color: var(--jzt-brand); }
.inq-head p { color: var(--jzt-muted); margin-top: 12px; }
.inq-list { list-style: none; margin: 18px 0 0; padding: 0; }
.inq-list li { padding: 7px 0 7px 26px; position: relative; color: var(--jzt-text); font-size: 14.5px; }
.inq-list li::before { content: "✓"; position: absolute; left: 0; color: var(--jzt-accent); font-weight: 700; }
.inq-addr { margin-top: 16px; font-size: 13px; color: var(--jzt-muted); }
.ch-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.ch-card { background: #F8FAFC; border: 1px solid var(--jzt-line); border-radius: 14px; padding: 24px; }
.ch-card.ch-tel { border-top: 3px solid var(--jzt-accent); }
.ch-card.ch-wx { border-top: 3px solid #07C160; }
.ch-card.ch-form { grid-column: span 1; }
.ch-tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--jzt-brand); background: #EAF2FB; padding: 3px 12px; border-radius: 20px; margin-bottom: 12px; }
.ch-tag--wx { color: #07C160; background: #E6F9EE; }
.ch-tag--muted { color: var(--jzt-muted); background: #EEF1F5; }
.ch-card h3 { font-size: 18px; color: var(--jzt-text); margin: 0 0 10px; }
.ch-tel-num { display: inline-block; font-size: 26px; font-weight: 800; color: var(--jzt-accent-dark); }
.ch-note { font-size: 13px; color: var(--jzt-muted); margin: 10px 0; }
.ch-sub { font-size: 13px; color: var(--jzt-text); }
.qr-ph { display: inline-block; border-radius: 12px; overflow: hidden; background: #fff; border: 1px solid var(--jzt-line); }
.qr-ph img { width: 100%; height: auto; display: block; }
.qr-ph--lg { width: 180px; }
.wx-id-line { font-size: 14px; color: var(--jzt-muted); margin: 12px 0 4px; }
.wx-id-line b { color: var(--jzt-text); }
.wx-id-line span { display: block; font-size: 12px; color: #9AA7B4; }
/* 触控目标 ≥44px（原 8px 内边距 + 13px 字号 ≈ 32px，低于移动端推荐值） */
.copy-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; margin-top: 10px; font-size: 14px; color: var(--jzt-brand); background: #EAF2FB; border: 1px solid #C9DBED; border-radius: 8px; padding: 10px 20px; cursor: pointer; }
.copy-btn:hover { background: #D8E7F6; }
.copy-btn:disabled { opacity: .7; cursor: default; }
.form-card .sub { font-size: 13.5px; color: var(--jzt-muted); margin: 0 0 16px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { display: none; margin-top: 12px; padding: 12px 14px; border-radius: 8px; font-size: 14px; line-height: 1.6; }
.form-status.ok { display: block; background: #EAF6EE; border: 1px solid #BFE3CC; color: #1E7D3E; }
.form-status.err { display: block; background: #FDF1EE; border: 1px solid #ECC8C0; color: #B03A2E; }
.form-status a { color: var(--jzt-accent-dark); font-weight: 700; }
.form-note { font-size: 12px; color: var(--jzt-muted); margin-top: 12px; }
@media (min-width: 992px) { .ch-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- 15. FAQ ---------- */
.faq-list .accordion-item { border: 1px solid var(--jzt-line); border-radius: 12px; margin-bottom: 10px; overflow: hidden; }
.faq-list .accordion-button { font-weight: 600; color: var(--jzt-text); background: #fff; padding: 16px 20px; font-size: 15px; }
.faq-list .accordion-button:not(.collapsed) { color: var(--jzt-brand); background: #EAF2FB; box-shadow: none; }
.faq-list .accordion-button:focus { box-shadow: 0 0 0 .2rem rgba(12,68,124,.15); }
.faq-list .accordion-body { font-size: 14.5px; color: var(--jzt-text); line-height: 1.75; }
/* details/summary 版 FAQ（知识文章页沿用） */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--jzt-line); border-radius: 12px; overflow: hidden; }
.faq-item summary { list-style: none; display: flex; align-items: center; gap: 12px; padding: 16px 20px; cursor: pointer; font-weight: 600; font-size: 15px; color: var(--jzt-text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "Q"; width: 26px; height: 26px; border-radius: 8px; background: var(--jzt-brand); color: #fff; font-size: 13px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.faq-item .faq-a { padding: 0 20px 16px 58px; color: var(--jzt-muted); font-size: 14px; line-height: 1.75; }
.faq-item[open] { border-color: #BFD4E9; }
.faq-item[open] summary::before { background: var(--jzt-accent); }

/* ---------- 16. Footer ---------- */
.footer { background: var(--jzt-brand-deeper); color: rgba(255,255,255,.82); padding: 56px 0 0; }
.footer-top { padding-bottom: 36px; }
.footer .logo-txt b { color: #fff; }
.footer .logo-txt span { color: rgba(255,255,255,.55); }
.footer .logo-mark--z { color: #fff; }
.f-brand-desc { font-size: 13.5px; color: rgba(255,255,255,.65); margin: 16px 0; line-height: 1.7; }
.footer h4 { font-size: 15px; color: #fff; margin: 0 0 16px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer ul li { margin-bottom: 9px; }
.footer ul a { color: rgba(255,255,255,.72); font-size: 13.5px; }
.footer ul a:hover { color: var(--jzt-gold); }
.f-info-row { display: flex; gap: 12px; align-items: flex-start; color: rgba(255,255,255,.82); }
.f-ico { flex-shrink: 0; width: 34px; height: 34px; border-radius: 9px; background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; color: var(--jzt-gold); }
.f-ico--tel { background: linear-gradient(135deg, #F0863C 0%, #ff6b35 100%); }
.f-ico--mail { background: linear-gradient(135deg, #2A5BAA 0%, #4A7BC2 100%); }
.f-ico--map { background: linear-gradient(135deg, #07C160 0%, #34d399 100%); }
.f-info-text small { display: block; font-size: 11.5px; color: rgba(255,255,255,.55); }
.f-info-text b { font-size: 14px; color: #fff; font-weight: 600; line-height: 1.4; word-break: break-word; overflow-wrap: anywhere; }
.f-cta-block { display: flex; gap: 14px; margin-top: 14px; align-items: center; }
.f-qr-card { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 10px 12px; }
.f-qr-card img { width: 64px; height: 64px; border-radius: 6px; }
.f-qr-cap { font-size: 12px; color: rgba(255,255,255,.7); line-height: 1.5; }
.f-social-title { font-size: 13px; color: rgba(255,255,255,.85); margin-bottom: 8px; font-weight: 600; }
.f-social-ico { width: 44px; height: 44px; border-radius: 10px; background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.8); }
.f-social-ico--wechat { color: #07C160; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; font-size: 12.5px; color: rgba(255,255,255,.55); text-align: center; }
.footer-bottom a { color: inherit; }
.footer-bottom a:hover { color: var(--jzt-gold); }

/* ---------- 17. 浮动条 / 移动端 sticky / 微信弹层 ---------- */
.float-bar { position: fixed; right: 16px; bottom: 120px; z-index: 1000; display: flex; flex-direction: column; gap: 10px; transition: opacity .25s ease; }
.float-bar a, .float-bar button { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 12px; font-weight: 600; box-shadow: 0 6px 18px rgba(0,0,0,.2); border: 0; }
.float-bar .tel { background: var(--jzt-accent); }
.float-bar .wx { background: #07C160; }
.float-bar.hide { opacity: 0; pointer-events: none; }
.m-sticky { display: none; }
@media (max-width: 600px) {
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom, 0px)); }
  .float-bar { display: none; }
  .m-sticky { display: flex; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 1000; padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px)); background: rgba(255,255,255,.97); box-shadow: 0 -8px 28px rgba(5,32,60,.20); }
  .m-sticky a, .m-sticky button { flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-height: 54px; border-radius: 12px; color: #fff; border: 0; cursor: pointer; font-family: inherit; padding: 8px 10px; }
  .m-sticky .ms-tel { background: var(--jzt-accent); }
  .m-sticky .ms-wx { background: #07C160; }
  .m-sticky .ms-ico { width: 22px; height: 22px; flex-shrink: 0; }
  .m-sticky b { font-size: 15px; }
  .m-sticky span { font-size: 11px; opacity: .85; }
  /* 首屏零闪现（2026-10-05）：JS 可用时默认隐藏，仅当 JS 判定应显示（.ms-show 且无抑制类）才出现；
     无 JS（html 无 .js）时不匹配任何规则 → 保持常显，电话/微信入口不丢。
     原实现只靠 JS 追加 .scroll-hide，外链样式先于 defer 脚本生效时会出现约 0.3–0.5s 吸底条闪现。 */
  html.js .m-sticky { opacity: 0; visibility: hidden; pointer-events: none; }
  html.js .m-sticky.ms-show:not(.hide):not(.kb-hide) { opacity: 1; visibility: visible; pointer-events: auto; }
  .m-sticky.hide, .m-sticky.kb-hide { opacity: 0; visibility: hidden; pointer-events: none; }
}
.wx-modal { position: fixed; inset: 0; z-index: 1300; display: flex; align-items: center; justify-content: center; padding: 20px; }
.wx-modal[hidden] { display: none; }
.wx-mask { position: absolute; inset: 0; background: rgba(5,32,60,.55); }
.wx-panel { position: relative; background: #fff; color: var(--jzt-text); border-radius: 16px; padding: 28px 26px 22px; width: min(360px, 92vw); text-align: center; box-shadow: 0 24px 60px rgba(3,20,38,.4); }
/* 弹层关闭按钮 44×44（原 36×36，移动端拇指命中率偏低） */
.wx-close { position: absolute; top: 8px; right: 8px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: #F0F3F7; color: var(--jzt-muted); font-size: 16px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.wx-close:hover { background: #E3E8EE; color: var(--jzt-text); }
.wx-panel h3 { font-size: 18px; margin: 0 0 16px; }
.wx-tip { margin-top: 14px; font-size: 13px; color: var(--jzt-muted); line-height: 1.7; }
.wx-tip a { color: var(--jzt-accent-dark); font-weight: 700; }

/* ---------- 18. reveal 滚动动画（保留，无 JS 时天然可见） ---------- */
html:not(.js) .reveal { opacity: 1 !important; transform: none !important; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 19. 产品页组件 ---------- */
.crumb { padding: 12px 0; font-size: 13px; color: var(--jzt-muted); background: #fff; border-bottom: 1px solid var(--jzt-line); }
.crumb a:hover { color: var(--jzt-brand); }
.crumb .sep { margin: 0 8px; color: #B9C4D0; }
.prod-hero { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: start; padding: 46px 0 26px; }
.prod-hero h1 { font-size: 32px; color: var(--jzt-text); line-height: 1.3; }
.prod-hero h1 em { color: var(--jzt-brand); }
.prod-hero .lead { color: var(--jzt-muted); margin-top: 14px; font-size: 15.5px; }
.hl-list { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; list-style: none; padding: 0; }
.hl-list li { display: flex; gap: 9px; font-size: 14px; color: #33404F; align-items: flex-start; }
.hl-list li::before { content: "✓"; color: var(--jzt-accent); font-weight: 800; }
.mini-spec { margin-top: 22px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.mini-spec div { background: #fff; border: 1px solid var(--jzt-line); border-radius: 10px; padding: 11px 14px; }
.mini-spec b { display: block; font-size: 15px; color: var(--jzt-brand); }
.mini-spec span { font-size: 12px; color: var(--jzt-muted); }
@media (min-width: 900.02px) { .prod-hero { grid-template-columns: 1fr 1fr; } }
.figure-card { background: #fff; border: 1px solid var(--jzt-line); border-radius: 16px; padding: 22px; box-shadow: 0 6px 24px rgba(8,46,85,.08); }
.figure-card .fc-t { font-size: 15px; font-weight: 700; color: var(--jzt-brand); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.figure-card svg { width: 100%; height: auto; }
.fig-legend { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: 12px; padding-top: 12px; border-top: 1px dashed #E3E8EE; }
.fig-legend span { font-size: 12.5px; color: #33404F; }
.fig-legend i { display: inline-flex; width: 18px; height: 18px; border-radius: 50%; background: var(--jzt-brand); color: #fff; font-size: 11px; align-items: center; justify-content: center; font-style: normal; margin-right: 4px; }
.tag-cloud { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.tag-cloud a { font-size: 13px; background: #fff; border: 1px solid var(--jzt-line); border-radius: 30px; padding: 5px 14px; color: var(--jzt-muted); }
.tag-cloud a:hover { border-color: var(--jzt-brand); color: var(--jzt-brand); }
.subcat-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.subcat-card { background: #fff; border: 1px solid var(--jzt-line); border-radius: 12px; padding: 20px 18px; transition: .22s; }
.subcat-card:hover { box-shadow: 0 6px 24px rgba(8,46,85,.08); transform: translateY(-3px); border-color: #C9DBED; }
.subcat-card .sc-ico { width: 44px; height: 44px; margin-bottom: 12px; }
.subcat-card h3 { font-size: 16px; color: var(--jzt-brand); }
.subcat-card p { font-size: 13px; color: var(--jzt-muted); margin-top: 8px; }
@media (min-width: 520.02px) { .subcat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900.02px) { .subcat-grid { grid-template-columns: repeat(4, 1fr); } }

/* 通用表格 */
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--jzt-line); border-radius: 12px; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
table.spec th, table.spec td { padding: 12px 16px; text-align: left; border-bottom: 1px solid #EDF1F5; }
table.spec thead th { background: var(--jzt-brand); color: #fff; font-weight: 600; letter-spacing: .5px; white-space: nowrap; }
table.spec tbody tr:nth-child(even) { background: #F8FAFD; }
table.spec tbody th { font-weight: 600; color: var(--jzt-text); white-space: nowrap; }
table.spec td { color: #3A4655; }
.table-cap { font-size: 13px; color: var(--jzt-muted); margin-top: 10px; }

/* ---- 19b. 规格表横向滚动提示（2026-10-05） ----
   背景：table.spec 有 min-width:640px，窄屏必然横向溢出，此前无任何提示，
         用户易误以为右侧内容被「截断」。
   做法：① 移动端在表格下方给一行「左右滑动」文字提示 —— 只在表格真的溢出时出现，
            由 main.js 打 .is-on；无 JS 时移动端常显兜底（html:not(.js)）避免漏提示；
         ② 溢出时用 mask 在「还能继续滚」的那个边缘做渐隐，滚到该边自动消除。 */
.table-hint { display: none; }
.table-wrap.is-scrollable { -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 28px), rgba(0,0,0,.12) 100%); mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 28px), rgba(0,0,0,.12) 100%); }
.table-wrap.is-scrollable.at-end { -webkit-mask-image: linear-gradient(to left, #000 0, #000 calc(100% - 28px), rgba(0,0,0,.12) 100%); mask-image: linear-gradient(to left, #000 0, #000 calc(100% - 28px), rgba(0,0,0,.12) 100%); }
.table-wrap.is-scrollable.at-start.at-end { -webkit-mask-image: none; mask-image: none; }
@media (max-width: 767.98px) {
  .table-hint.is-on,
  html:not(.js) .table-hint { display: flex; align-items: center; gap: 6px; margin: 8px 2px 0; font-size: 12px; line-height: 1.5; color: var(--jzt-muted); }
  .table-hint.is-on::before,
  html:not(.js) .table-hint::before { content: '↔'; flex: 0 0 auto; color: var(--jzt-accent); font-weight: 700; }
}

/* ---------- 20. 文章样式（知识页） ---------- */
.art-wrap { max-width: 960px; }
.art-head .kicker { margin-bottom: 10px; }
.art-head h1 { font-size: clamp(26px, 3.5vw, 34px); color: var(--jzt-text); line-height: 1.35; margin: 0 0 14px; }
.art-desc { font-size: 15.5px; color: var(--jzt-muted); line-height: 1.75; }
.art-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 16px; font-size: 13px; color: var(--jzt-muted); }
.art-lead { margin: 24px 0; background: #EAF2FB; border-left: 4px solid var(--jzt-brand); border-radius: 0 10px 10px 0; padding: 16px 20px; }
.art-lead .lb { display: inline-block; font-size: 12px; font-weight: 700; color: #fff; background: var(--jzt-brand); padding: 2px 10px; border-radius: 4px; margin-bottom: 8px; }
.art-lead p { margin: 0; color: var(--jzt-text); line-height: 1.75; }
.art-body { font-size: 15.5px; color: #33404F; line-height: 1.85; }
.art-body h2 { font-size: 22px; color: var(--jzt-text); margin: 30px 0 14px; padding-left: 14px; border-left: 4px solid var(--jzt-accent); }
.art-body h3 { font-size: 18px; color: var(--jzt-brand); margin: 22px 0 10px; }
.art-body p { margin: 12px 0; }
.art-body ul, .art-body ol { margin: 12px 0 12px 4px; padding-left: 22px; }
.art-body ul { list-style: disc; }
.art-body ol { list-style: decimal; }
.art-body li { margin: 6px 0; }
.art-body b { color: var(--jzt-text); }
.art-note { margin: 24px 0; background: #FDF6EF; border: 1px solid #F3E0CE; border-radius: 10px; padding: 14px 18px; font-size: 14px; color: #6b3a13; line-height: 1.7; }
.art-author { margin-top: 32px; padding: 18px 20px; background: #fff; border: 1px solid var(--jzt-line); border-radius: 12px; }
.art-author b { display: block; font-size: 15px; color: var(--jzt-brand); }
.art-author span { display: block; margin-top: 6px; font-size: 13px; color: var(--jzt-muted); line-height: 1.7; }
.art-foot { text-align: center; font-size: 12.5px; color: var(--jzt-muted); margin-top: 18px; }

/* ---------- 21. cta-duo 双按钮组 ---------- */
.cta-duo { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }

/* ---------- 22. 无障碍 ---------- */
html { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
:focus-visible { outline: 2px solid #F0863C; outline-offset: 2px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) {
  .wx-modal, .wx-panel, .m-sticky, .float-bar, .reveal, .shot, .shot img { transition: none !important; animation: none !important; }
}

/* ---------- 23. 打印 ---------- */
@media print {
  .topbar, .nav-wrap, .float-bar, .m-sticky, .wx-modal, .inquiry .form-card, .table-hint { display: none !important; }
  body { background: #fff; }
  .section { padding: 30px 0; page-break-inside: avoid; }
}

/* =========================================================
   24. Bootstrap 5 迁移补丁（阶段 2 补全）
   变量别名 + 详情页询盘 + footer 社交 + 视频预览 + 知识分组
   ========================================================= */

/* ---- 旧变量名别名（兼容页面内联样式与残留 var() 引用） ---- */
:root {
  --brand: #0C447C;
  --brand-dark: #082E55;
  --brand-deeper: #05203C;
  --accent: #F0863C;
  --accent-dark: #D85A30;
  --gold: #FAC775;
  --bg: #F4F6F9;
  --card: #FFFFFF;
  --line: #E3E8EE;
  --text: #1E2A38;
  --muted: #5C6B7A;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(8, 46, 85, .08);
  --dark: #061a2e;
  --wechat: #07C160;
}

/* ---- logo SVG / 流程容器 ---- */
.logo-mark--z svg { display: block; }
.flow { display: flex; flex-direction: column; }

/* ---- 详情页询盘两栏（白底版，统一 inquiry 视觉） ---- */
.inq-grid { display: grid; grid-template-columns: 1fr; gap: 44px; align-items: start; }
.inq-left h2 { font-size: clamp(26px, 4vw, 32px); color: var(--jzt-text); font-weight: 700; }
.inq-left h2 em { color: var(--jzt-brand); }
.inq-left p { color: var(--jzt-muted); margin-top: 12px; }
.inq-contact { margin-top: 26px; background: #EAF2FB; border: 1px solid #D8E7F6; border-radius: 12px; padding: 18px 20px; }
.inq-contact .tel { font-size: 24px; font-weight: 800; color: var(--jzt-brand); }
.inq-contact .addr { font-size: 13px; color: var(--jzt-muted); margin-top: 6px; }
.form-card { background: #fff; border: 1px solid var(--jzt-line); border-radius: 16px; padding: 28px 26px; box-shadow: 0 10px 30px rgba(8,46,85,.08); }
.form-card h3 { font-size: 19px; color: var(--jzt-text); margin: 0 0 4px; }
@media (min-width: 900.02px) { .inq-grid { grid-template-columns: .9fr 1.1fr; } }

/* ---- footer 社交 ---- */
.footer .f-social { flex: 1; min-width: 0; }
.footer .f-social-title { color: #fff; font-size: 14px; font-weight: 500; margin-bottom: 12px; position: relative; padding-left: 10px; }
.footer .f-social-title::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 3px; height: 13px; background: var(--jzt-accent); border-radius: 2px; }
.footer .f-social-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.footer .f-social-item { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; transition: background .22s ease, transform .22s ease; cursor: pointer; user-select: none; }
.footer .f-social-item:hover { transform: translateY(-3px) scale(1.05); }
.footer .f-social-item.is-active { background: rgba(240,134,60,.14); box-shadow: inset 0 0 0 1px rgba(240,134,60,.35); }
.footer .f-social-item:hover .f-social-ico { transform: rotate(-8deg) scale(1.08); }

/* ---- FAQ 区块 ---- */
.faq-section .sec-head { margin-bottom: 28px; }

/* ---- 首页视频预览卡 ---- */
.video-prev { display: flex; align-items: stretch; gap: 0; margin-top: 22px; background: #fff; border: 1px solid #e2e4ee; border-radius: 12px; overflow: hidden; box-shadow: 0 6px 18px rgba(15,30,60,.06); flex-direction: column; }
.vp-stage { position: relative; flex: 1 1 360px; min-height: 200px; background-color: #061a2e; background-size: cover; background-position: center; cursor: pointer; transition: transform .25s; display: flex; align-items: center; justify-content: center; }
.vp-stage:hover { transform: scale(1.01); }
.vp-stage.is-playing { background-color: #000; cursor: default; }
.vp-stage.is-playing:hover { transform: none; }
.vp-stage video { width: 100%; height: 100%; display: block; object-fit: contain; }
.vp-play { transition: transform .2s; pointer-events: none; }
.vp-stage:hover .vp-play { transform: scale(1.1); }
.vp-badge { position: absolute; top: 12px; left: 12px; z-index: 2; background: rgba(8,18,36,.78); color: #fff; padding: 4px 10px; border-radius: 4px; font-size: 11px; font-weight: 600; letter-spacing: .3px; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.vp-meta { flex: 0 1 280px; padding: 22px 22px 18px; display: flex; flex-direction: column; justify-content: center; gap: 6px; }
.vp-meta b { font-size: 17px; color: #0e2c4f; line-height: 1.3; }
.vp-meta small { font-size: 12.5px; color: #7d8a9a; line-height: 1.6; }
.vp-more { display: inline-block; margin-top: 10px; font-size: 13px; color: var(--jzt-brand); font-weight: 600; }
.vp-more:hover { text-decoration: underline; }
@media (min-width: 720.02px) { .video-prev { flex-direction: row; } }

/* ---- 视频卡片时长/标签（video 页内联已有，双保险） ---- */
.vg-dur { position: absolute; right: 10px; bottom: 10px; background: rgba(0,0,0,.66); color: #fff; border-radius: 5px; font-size: 11.5px; padding: 2px 8px; z-index: 2; }
.vg-soon { position: absolute; left: 10px; top: 10px; background: rgba(0,0,0,.6); color: #ffe1c4; border-radius: 5px; font-size: 11px; padding: 3px 9px; border: 1px solid rgba(255,255,255,.28); z-index: 2; }

/* ---- 知识列表分组标题 ---- */
.g-head { display: flex; align-items: baseline; gap: 12px; margin: 34px 0 18px; flex-wrap: wrap; }
.g-head:first-of-type { margin-top: 8px; }
.g-head h2 { font-size: 21px; color: var(--jzt-brand); flex-shrink: 0; margin: 0; font-weight: 700; }
.g-num { font-size: 12px; font-weight: 700; color: var(--jzt-accent-dark); background: #FDEEDD; padding: 3px 10px; border-radius: 4px; letter-spacing: .5px; }
.g-line { flex: 1; height: 1px; background: var(--jzt-line); min-width: 40px; align-self: center; }