/* ============================================================
   Jinmao Biotech 官网样式 — B2B 工业风（深灰 + 深蓝，留白充足）
   ============================================================ */

/* ---------- 变量与基础 ---------- */
:root {
  --navy: #12355c;        /* 主深蓝 */
  --navy-dark: #0d2846;
  --gray-900: #23282d;    /* 主深灰（页脚） */
  --gray-700: #4a5158;
  --gray-500: #6c757d;
  --line: #e3e7eb;
  --bg: #f6f8fa;
  --white: #ffffff;
  --green: #2e9e5b;       /* WhatsApp 按钮 */
  --green-dark: #25854c;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(18, 53, 92, .08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
/* hidden 属性必须始终生效（防止组件类设置 display 覆盖它，如 .modal 弹窗） */
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--navy-dark); }
h1, h2, h3, h4 { line-height: 1.3; color: var(--gray-900); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container.narrow { max-width: 900px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 11px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; border: 2px solid transparent;
  cursor: pointer; text-align: center; transition: background .15s, color .15s, border-color .15s;
}
.btn-lg { padding: 14px 34px; font-size: 16px; }
.btn-sm { padding: 7px 16px; font-size: 14px; }
.btn-block { display: block; width: 100%; }
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-dark); color: var(--white); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-whatsapp { background: var(--green); color: var(--white); }
.btn-whatsapp:hover { background: var(--green-dark); color: var(--white); }
.btn-ghost { color: var(--gray-700); }
.btn-ghost:hover { color: var(--navy); }
.btn-ghost-dark { border-color: var(--gray-500); color: var(--gray-500); background: transparent; }
.btn-ghost-dark:hover { color: var(--gray-900); border-color: var(--gray-900); }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--navy-dark); color: #c9d4e2; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 12px; flex-wrap: wrap; }
.topbar a { color: #c9d4e2; margin-left: 18px; }
.topbar a:hover { color: #fff; }
.topbar-right { display: flex; align-items: center; }

/* ---------- 主导航 ---------- */
.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; gap: 26px; min-height: 72px; }
.logo-link { flex-shrink: 0; }
.logo-img { height: 44px; width: auto; }
.main-nav { display: flex; gap: 2px; flex: 1; justify-content: center; }
.main-nav a { padding: 8px 14px; font-weight: 500; color: var(--gray-700); border-radius: 4px; font-size: 15px; }
.main-nav a:hover { color: var(--navy); background: var(--bg); }
.main-nav a.active { color: var(--navy); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.lang-switch { font-weight: 600; font-size: 14px; }
.lang-switch a { color: var(--gray-500); padding: 4px 2px; }
.lang-switch a.on { color: var(--navy); border-bottom: 2px solid var(--navy); }
.lang-sep { color: var(--line); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 10px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px 0; }

/* ---------- Hero：通栏背景图横幅（高 650，文案在容器安全区内） ---------- */
.hero {
  position: relative;
  height: 650px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--navy-dark);
  /* 图层优先级：hero.jpg（实拍图，存在即显示）> hero.svg（占位图）> 深蓝底色 */
  background-image: url('/assets/img/hero.jpg'), url('/assets/img/hero.svg');
  background-size: cover, cover;
  background-position: center 60%, center;
  background-repeat: no-repeat, no-repeat;
}
/* 半透明遮罩：保证白字在任何底图上都清晰可读，左侧最实、向右渐透；
   实拍厂区照片偏亮（白墙/白天空），整体加深一档并保留右侧画面感 */
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,34,58,.28) 0%, rgba(11,34,58,0) 30%),
    linear-gradient(92deg, rgba(11,34,58,.95) 0%, rgba(11,34,58,.82) 42%, rgba(11,34,58,.48) 100%);
}
.hero-inner { position: relative; z-index: 1; width: 100%; padding-top: 20px; padding-bottom: 20px; }
.hero-text { max-width: 640px; }
.hero-text h1 { font-size: 42px; color: #fff; margin-bottom: 16px; }
.hero-text > p { font-size: 17px; color: #d3deeb; margin-bottom: 20px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero 价值锚点（三条硬事实，回答「敢不敢交给你」） */
.hero-points { list-style: none; margin: 0 0 26px; display: flex; flex-direction: column; gap: 9px; }
.hero-points li { position: relative; padding-left: 26px; font-size: 15px; color: #e8eef6; }
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 15px; height: 9px; border-left: 2px solid var(--green); border-bottom: 2px solid var(--green);
  transform: rotate(-45deg);
}
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: #c3d1e0; margin-top: 18px; margin-bottom: 0; }
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(46,158,91,.16); }

/* 信任条：资质徽标贴在数据条下方 */
.trust-strip { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 0 20px 24px; }
.trust-strip-label { font-size: 13.5px; color: #b9c6d6; }
.trust-certs { display: flex; gap: 8px; flex-wrap: wrap; }
.trust-certs span {
  border: 1px solid rgba(255,255,255,.3); border-radius: 4px;
  font-size: 12px; padding: 4px 11px; color: #e6ecf3; letter-spacing: .4px;
}

/* ---------- 数据条 ---------- */
.stats { background: var(--navy); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 26px 20px; gap: 16px; }
.stat { text-align: center; }
.stat strong { display: block; font-size: 30px; color: #fff; }
.stat span { font-size: 14px; color: #b9c6d6; }

/* ---------- 通用区块 ---------- */
.section { padding: 64px 0; }
.section-alt { background: var(--bg); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head h2 { font-size: 30px; color: var(--navy); margin-bottom: 8px; }
.section-head p { color: var(--gray-500); max-width: 640px; margin: 0 auto; }
.section-head-left { text-align: left; margin-bottom: 24px; }
.section-head-left h2 { margin-bottom: 0; }

/* ---------- 栅格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 分类/产品卡片 ---------- */
.cat-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: block; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.cat-card:hover { transform: translateY(-6px); box-shadow: 0 14px 30px rgba(18,53,92,.16); border-color: #c2cfdd; color: inherit; }
.cat-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; transition: transform .35s ease; }
.cat-card:hover img { transform: scale(1.06); }
.cat-card h3 { padding: 16px 18px 4px; font-size: 17px; color: var(--navy); transition: color .22s ease; }
.cat-card:hover h3 { color: var(--navy-dark); }
.cat-card .cat-result { padding: 0 18px; font-size: 13.5px; color: var(--gray-500); min-height: 40px; }
.cat-more { display: inline-block; padding: 10px 18px 18px; font-size: 14px; color: var(--gray-500); transition: color .2s ease, transform .2s ease; }
.cat-card:hover .cat-more { color: var(--green-dark); transform: translateX(3px); }

.product-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.product-img img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.product-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-body h3 { font-size: 17px; }
.product-body h3 a { color: var(--navy); }
.product-body p { color: var(--gray-500); font-size: 14px; flex: 1; }
.product-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 分类分页 ---------- */
.cat-count { font-size: 14px; font-weight: 500; color: var(--gray-500); margin-left: 10px; }
.pagination { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.pagination .page-link {
  display: inline-flex; align-items: center; justify-content: center; min-width: 42px; height: 42px;
  padding: 0 14px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 14.5px; font-weight: 600; color: var(--gray-700); background: var(--white);
  transition: background .15s, color .15s, border-color .15s;
}
.pagination a.page-link:hover { border-color: var(--navy); color: var(--navy); background: var(--bg); }
.pagination .page-link.is-current { background: var(--navy); border-color: var(--navy); color: var(--white); }
.pagination .page-link.is-disabled { color: #b7bfc7; background: var(--bg); cursor: not-allowed; }
.pagination .page-ellipsis { padding: 0 4px; color: var(--gray-500); font-weight: 600; }
.pagination .page-info { margin-left: 6px; font-size: 13.5px; color: var(--gray-500); }
/* 锚点跳转时避开吸顶分类导航 */
section[id^="cat-"] { scroll-margin-top: 150px; }

.why-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.why-card h3 { color: var(--navy); font-size: 18px; margin-bottom: 10px; }
.why-card p { color: var(--gray-700); font-size: 14.5px; }

/* ---------- 博客卡片 ---------- */
.blog-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.blog-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.blog-card-body { padding: 20px; }
.blog-card-body time { font-size: 13px; color: var(--gray-500); }
.blog-card-body h2, .blog-card-body h3 { font-size: 18px; margin: 6px 0; }
.blog-card-body p { color: var(--gray-500); font-size: 14.5px; margin-bottom: 10px; }
.link-more { font-weight: 600; font-size: 14px; }
.blog-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 10px; }
.blog-tags a { font-size: 12.5px; color: var(--gray-500); background: var(--bg); padding: 3px 10px; border-radius: 20px; }
.blog-tags a:hover { color: var(--navy); background: var(--line); }

/* ---------- 页头（内页） ---------- */
.page-head { background: var(--navy); color: #fff; padding: 44px 0; }
.page-head h1 { color: #fff; font-size: 32px; margin-bottom: 6px; }
.page-head p { color: #b9c6d6; max-width: 720px; }
.breadcrumb { font-size: 14px; color: #b9c6d6; margin-bottom: 14px; }
.breadcrumb a { color: #b9c6d6; }
.breadcrumb a:hover { color: #fff; }

/* ---------- 分类快捷导航 ---------- */
.cat-nav { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 72px; z-index: 50; }
.cat-nav-inner { display: flex; gap: 8px; overflow-x: auto; padding: 10px 20px; }
.cat-nav a { padding: 8px 18px; border: 1px solid var(--line); border-radius: 20px; font-size: 14px; color: var(--gray-700); white-space: nowrap; }
.cat-nav a:hover { border-color: var(--navy); color: var(--navy); }

/* ---------- 产品详情 ---------- */
.product-detail { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; align-items: start; }
.pd-img img { border-radius: var(--radius); border: 1px solid var(--line); }
.pd-info h1 { font-size: 30px; color: var(--navy); margin-bottom: 12px; }
.pd-summary { color: var(--gray-700); margin-bottom: 22px; }
.pd-info h3 { margin: 20px 0 10px; font-size: 17px; color: var(--navy); }
.params-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.params-table th, .params-table td { border: 1px solid var(--line); padding: 9px 14px; font-size: 14.5px; text-align: left; }
.params-table th { background: var(--bg); color: var(--gray-700); width: 45%; font-weight: 600; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.pd-desc-title { font-size: 24px; color: var(--navy); margin-bottom: 18px; }
.rich-text p { margin-bottom: 14px; }
.rich-text h4, .rich-text h5, .rich-text h6 { margin: 20px 0 8px; color: var(--navy); }
.rich-text ul, .rich-text ol { margin: 0 0 14px 22px; }
.mini-params { list-style: none; margin-bottom: 6px; }
.mini-params li { font-size: 13.5px; color: var(--gray-700); border-bottom: 1px dashed var(--line); padding: 5px 0; }

/* ---------- 博客布局 ---------- */
.blog-layout { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.tag-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.tag-filter a { padding: 6px 16px; border: 1px solid var(--line); border-radius: 20px; font-size: 13.5px; color: var(--gray-700); }
.tag-filter a.on, .tag-filter a:hover { background: var(--navy); border-color: var(--navy); color: #fff; }
.side-box { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.side-box h3 { color: var(--navy); margin-bottom: 8px; font-size: 18px; }
.side-box p { font-size: 14px; color: var(--gray-500); margin-bottom: 14px; }
.post-full h1 { font-size: 32px; color: var(--navy); margin-bottom: 10px; }
.post-meta { color: var(--gray-500); font-size: 14px; display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.post-meta a { color: var(--gray-500); }
.post-cover { border-radius: var(--radius); margin-bottom: 24px; }

/* 博文详情页：资料下载区（下载才需注册，阅读免费） */
.post-downloads { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.post-downloads h3 { color: var(--navy); font-size: 20px; margin-bottom: 6px; }
.post-dl-note { color: var(--gray-500); font-size: 14px; margin-bottom: 18px; }
.post-downloads .dl-item { padding: 14px 18px; }
.post-downloads .dl-info h4 { font-size: 15.5px; color: var(--gray-900); }
.post-sub-box { margin-top: 24px; }
.side-box .btn-block { display: block; width: 100%; }

/* ---------- 关于 ---------- */
.about-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 44px; align-items: start; }
.about-text p { margin-bottom: 14px; color: var(--gray-700); }
.about-img img { border-radius: var(--radius); border: 1px solid var(--line); }
.about-img-caption { text-align: center; color: var(--gray-500); font-size: 13.5px; margin-top: 8px; }

/* ---------- 联系 ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: start; }
.contact-cards { display: flex; flex-direction: column; gap: 20px; }
.contact-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.contact-card h3 { color: var(--navy); font-size: 15px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.contact-big { font-size: 21px; font-weight: 600; word-break: break-all; }
.contact-wa { color: var(--green); }

/* ---------- 表单 ---------- */
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 14px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 15px; font-family: inherit; color: var(--gray-900); background: var(--white);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--navy); }
.field-hint { display: block; font-size: 12.5px; color: var(--gray-500); margin-top: 4px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-msg { font-size: 14px; margin-top: 10px; min-height: 20px; }
.form-msg.ok { color: var(--green-dark); }
.form-msg.err { color: #c0392b; }
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 14.5px; margin-bottom: 16px; }
.alert-ok { background: #e9f7ef; color: #1e7a43; border: 1px solid #bfe6cd; }
.alert-err { background: #fdeeee; color: #c0392b; border: 1px solid #f2c7c2; }

/* ---------- 下载中心 ---------- */
.dl-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; }
.dl-item { display: flex; align-items: center; gap: 18px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; }
.dl-icon { background: var(--navy); color: #fff; font-weight: 700; font-size: 13px; padding: 12px 10px; border-radius: 4px; letter-spacing: 1px; }
.dl-info { flex: 1; }
.dl-info h3 { font-size: 16.5px; }
.dl-info p { font-size: 13.5px; color: var(--gray-500); }
.dl-note { background: var(--bg); border: 1px dashed var(--navy); border-radius: var(--radius); padding: 26px; text-align: center; }
.dl-note p { margin-bottom: 16px; color: var(--gray-700); }
.empty-tip { text-align: center; color: var(--gray-500); }
.dl-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---------- 在线阅读器 ---------- */
.reader-shell { max-width: 960px; }
.reader-toolbar { display: flex; align-items: center; gap: 14px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 18px; margin-bottom: 12px; flex-wrap: wrap; }
.reader-toolbar .rt-title { font-weight: 700; color: var(--navy); flex: 1; min-width: 200px; font-size: 15.5px; }
.rt-ind { font-size: 13.5px; color: var(--gray-500); white-space: nowrap; font-variant-numeric: tabular-nums; }
.rt-zoom { display: flex; gap: 6px; }
.rt-zoom button { width: 34px; height: 34px; border: 1px solid var(--line); background: #fff; border-radius: 4px; cursor: pointer; font-size: 16px; color: var(--gray-700); line-height: 1; }
.rt-zoom button:hover { border-color: var(--navy); color: var(--navy); }
.reader-free-note { font-size: 13.5px; color: var(--gray-500); margin-bottom: 14px; }
.pdf-viewer { background: #e9edf2; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 0; display: flex; flex-direction: column; align-items: center; gap: 18px; min-height: 320px; }
.pdf-page-wrap { background: #fff; box-shadow: 0 2px 10px rgba(13, 40, 70, .12); line-height: 0; max-width: calc(100% - 24px); }
.pdf-page-wrap canvas { max-width: 100%; height: auto; display: block; }
.pdf-skeleton { width: min(560px, 72%); aspect-ratio: 595 / 842; border-radius: 4px;
  background: linear-gradient(100deg, #f0f2f5 40%, #f8f9fb 50%, #f0f2f5 60%);
  background-size: 200% 100%; animation: jm-shimmer 1.2s infinite; }
@keyframes jm-shimmer { to { background-position: -200% 0; } }
.reader-fallback { padding: 0; background: #fff; }
.reader-fallback iframe { width: 100%; height: 78vh; border: 0; border-radius: var(--radius); }
.lock-panel { margin-top: 22px; background: var(--navy); color: #fff; border-radius: var(--radius); padding: 42px 30px; text-align: center; }
.lock-panel .lock-ico { font-size: 30px; margin-bottom: 10px; }
.lock-panel h3 { color: #fff; font-size: 21px; margin-bottom: 10px; }
.lock-panel p { color: #c9d4e0; margin-bottom: 22px; max-width: 520px; margin-left: auto; margin-right: auto; }
.lock-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-outline-light { border: 1px solid rgba(255, 255, 255, .65); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.reader-dl { margin-top: 26px; }

/* ---------- 色块横幅 / CTA ---------- */
.dl-band { background: var(--navy); color: #fff; padding: 48px 0; }
.dl-band h2 { color: #fff; margin-bottom: 6px; }
.dl-band p { color: #b9c6d6; margin-bottom: 0; }
.dl-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-box {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  border: none;
  border-radius: var(--radius);
  text-align: center;
  padding: 64px 32px 60px;
  box-shadow: 0 12px 32px rgba(18, 53, 92, .22);
}
/* 右上绿色光晕 + 左下淡蓝光斑，呼应 Hero 的装饰语言 */
.cta-box::before,
.cta-box::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.cta-box::before {
  width: 420px; height: 420px; right: -140px; top: -180px;
  background: radial-gradient(circle, rgba(46, 158, 91, .35) 0%, rgba(46, 158, 91, 0) 70%);
}
.cta-box::after {
  width: 360px; height: 360px; left: -150px; bottom: -200px;
  background: radial-gradient(circle, rgba(255, 255, 255, .10) 0%, rgba(255, 255, 255, 0) 70%);
}
.cta-box h2 {
  position: relative; z-index: 1;
  color: #fff; font-size: 30px; margin-bottom: 0;
}
.cta-box h2::after {
  content: "";
  display: block;
  width: 56px; height: 3px;
  margin: 16px auto 0;
  border-radius: 2px;
  background: var(--green);
}
.cta-box p {
  position: relative; z-index: 1;
  color: #b9c6d6; margin-bottom: 30px;
  font-size: 16px; max-width: 640px; margin-left: auto; margin-right: auto;
}
.cta-box .hero-cta { justify-content: center; position: relative; z-index: 1; }
/* 深蓝底上：主按钮改白底深蓝字，与绿色 WhatsApp 按钮形成双色对比 */
.cta-box .btn-primary {
  background: #fff; color: var(--navy); border-color: #fff;
}
.cta-box .btn-primary:hover {
  background: #e8eef6; color: var(--navy-dark); border-color: #e8eef6;
}
.cta-box .btn-whatsapp { box-shadow: 0 6px 18px rgba(46, 158, 91, .45); }

/* ---------- 首页常见问题（FAQ）：左介绍 + 右手风琴两栏 ---------- */
.faq-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: start;
}
.faq-intro { position: sticky; top: 96px; }
.faq-eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--green-dark);
  background: rgba(46, 158, 91, .1);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 14px;
}
.faq-intro h2 {
  font-size: 30px; color: var(--navy);
  line-height: 1.28; margin-bottom: 12px;
}
.faq-intro > p { color: var(--gray-500); font-size: 16px; line-height: 1.7; }

/* 深蓝联系卡：形成视觉锚点，也承接转化 */
.faq-contact {
  margin-top: 30px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  border-radius: 10px;
  padding: 26px 26px 28px;
  box-shadow: 0 10px 26px rgba(18, 53, 92, .22);
}
.faq-contact h3 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.faq-contact p { color: #b9c9dd; font-size: 14.5px; line-height: 1.7; margin-bottom: 16px; }
.faq-contact-btns { display: flex; flex-wrap: wrap; gap: 10px; }
.faq-contact .btn-whatsapp { box-shadow: 0 6px 16px rgba(46, 158, 91, .4); }

/* 右侧手风琴 */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 22px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.faq-item:hover { border-color: #c3cfd9; box-shadow: var(--shadow); }
.faq-item[open] {
  border-color: rgba(46, 158, 91, .5);
  box-shadow: 0 6px 18px rgba(18, 53, 92, .1);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 40px 18px 0;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-num {
  flex: none;
  font-size: 13px; font-weight: 700; letter-spacing: .5px;
  color: #9db0c5;
  font-variant-numeric: tabular-nums;
  transition: color .2s;
}
.faq-item[open] .faq-num { color: var(--green-dark); }
.faq-item summary h3 {
  font-size: 16.5px;
  color: var(--navy);
  margin: 0;
  line-height: 1.45;
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 28px; height: 28px; line-height: 26px;
  text-align: center;
  border-radius: 50%;
  background: var(--bg);
  color: var(--navy);
  font-size: 18px;
  font-weight: 700;
  transition: transform .25s ease, background .2s, color .2s;
}
.faq-item[open] summary::after {
  content: "+";
  transform: translateY(-50%) rotate(45deg);
  background: var(--green);
  color: #fff;
}
@keyframes faqFade {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: none; }
}
.faq-item[open] .faq-body { animation: faqFade .28s ease; }
.faq-body { padding: 0 40px 20px 41px; }
.faq-body p { color: var(--gray-700); font-size: 15px; line-height: 1.75; margin: 0; }
.faq-more { margin-top: 10px; padding-left: 41px; text-align: left; }
/* 下载资料尚未上传时占位提示（避免死链按钮） */
.dl-soon { display: inline-block; font-size: 13px; color: var(--gray-500); background: var(--bg); border: 1px dashed var(--line); border-radius: var(--radius); padding: 8px 12px; }

/* ---------- 注册 / 登录 ---------- */
.auth-section { background: var(--bg); }
.auth-box { max-width: 480px; margin: 0 auto; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.auth-box h1 { font-size: 26px; color: var(--navy); margin-bottom: 6px; }
.auth-sub { color: var(--gray-500); font-size: 14.5px; margin-bottom: 22px; }
.auth-alt { margin-top: 18px; font-size: 14.5px; color: var(--gray-500); text-align: center; }
.auth-alt a { font-weight: 600; }

/* ---------- Cookie 弹窗 ---------- */
.cookie-bar { position: fixed; left: 0; right: 0; bottom: 0; background: var(--gray-900); color: #d6dade; z-index: 200; padding: 14px 0; }
.cookie-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.cookie-inner p { font-size: 14px; }
.cookie-actions { display: flex; gap: 10px; }

/* ---------- 弹窗 ---------- */
.modal { position: fixed; inset: 0; background: rgba(13, 40, 70, .55); z-index: 300; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-box { background: #fff; border-radius: var(--radius); max-width: 460px; width: 100%; padding: 34px; position: relative; text-align: center; }
.modal-box h3 { color: var(--navy); font-size: 22px; margin-bottom: 10px; }
.modal-box p { color: var(--gray-700); margin-bottom: 22px; }
.modal-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.modal-close { position: absolute; top: 10px; right: 14px; background: none; border: 0; font-size: 26px; color: var(--gray-500); cursor: pointer; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--gray-900); color: #aeb5bc; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 36px; padding: 52px 20px 36px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 14px; letter-spacing: .5px; }
.footer-col a { display: block; color: #aeb5bc; font-size: 14px; padding: 4px 0; }
.footer-col a:hover { color: #fff; }
.footer-brand-name { color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.footer-brand-name em { color: #8dc63f; font-style: normal; }
.footer-brand p { font-size: 13.5px; }
.footer-certs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.footer-certs span { border: 1px solid #4a5158; border-radius: 4px; font-size: 11.5px; padding: 3px 9px; color: #cfd4d9; }
/* 订阅表单：input+button 一行（sub-row），提示信息独立一行——
   修复：此前 form-msg 参与 nowrap flex 布局把输入框挤成小方块 */
.footer-sub-form { display: block; }
.footer-sub-form .sub-row { display: flex; gap: 8px; }
.footer-sub-form input[type=email] {
  flex: 1 1 auto; width: 100%; min-width: 0; padding: 12px 14px;
  border: 1px solid #4a5158; border-radius: 4px; background: #2b3138;
  color: #fff; font-size: 15px;
}
.footer-sub-form input[type=email]::placeholder { color: #7d858d; }
.footer-sub-form input[type=email]:focus { outline: none; border-color: #8dc63f; }
.footer-sub-form .sub-row .btn { flex-shrink: 0; }
.footer-bottom { border-top: 1px solid #3a4046; padding: 16px 0; font-size: 13px; color: #8a929a; }

/* ---------- 信任条：资质徽标 ---------- */
.trust-strip { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; padding: 0 20px 24px; }
.trust-strip-label { font-size: 13px; color: #b9c6d6; }
.trust-certs { display: flex; gap: 8px; flex-wrap: wrap; }
.trust-certs span { border: 1px solid rgba(255,255,255,.32); border-radius: 4px; font-size: 12px; padding: 4px 11px; color: #e6ecf3; letter-spacing: .4px; }

/* ---------- 价值四维卡片 ---------- */
.val-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; position: relative; border-top: 3px solid var(--navy); transition: transform .18s ease, box-shadow .18s ease, border-top-color .18s ease; }
.val-card:hover { transform: translateY(-6px); box-shadow: 0 12px 26px rgba(18,53,92,.14); border-top-color: var(--green); }
.val-idx { position: absolute; top: 18px; right: 20px; font-size: 22px; font-weight: 700; color: var(--line); line-height: 1; transition: color .18s ease; }
.val-card:hover .val-idx { color: #b9c6d6; }
.val-tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1.1px; text-transform: uppercase; color: var(--green); margin-bottom: 10px; }
.val-card h3 { color: var(--navy); font-size: 18px; margin-bottom: 10px; }
.val-card p { color: var(--gray-700); font-size: 14.5px; }

/* ---------- 决策角色卡片 ---------- */
.role-card { display: block; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: box-shadow .15s, border-color .15s, transform .15s; color: inherit; }
.role-card:hover { box-shadow: 0 6px 18px rgba(18,53,92,.12); border-color: var(--navy); color: inherit; transform: translateY(-2px); }
.role-tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; color: var(--gray-500); background: var(--bg); padding: 4px 10px; border-radius: 20px; margin-bottom: 12px; }
.role-card h3 { color: var(--navy); font-size: 17.5px; margin-bottom: 10px; }
.role-card p { color: var(--gray-700); font-size: 14.5px; margin-bottom: 14px; }
.role-cta { font-size: 14px; font-weight: 600; color: var(--navy); }

/* ---------- 交付五问（左栏粘性引导 + 右栏手风琴） ---------- */
.five-wrap { display: grid; grid-template-columns: 0.8fr 1.5fr; gap: 56px; align-items: start; }
.five-intro { position: sticky; top: 96px; }
.five-intro h2 { font-size: 30px; color: var(--navy); margin-bottom: 12px; }
.five-intro p { color: var(--gray-500); margin-bottom: 24px; }
.five-list { display: flex; flex-direction: column; gap: 10px; }
.five-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color .15s ease; }
.five-item:not([open]):hover { border-color: #c2cfdd; }
.five-item[open] { border-color: var(--navy); box-shadow: var(--shadow); }
.five-item summary { display: flex; align-items: center; gap: 14px; padding: 16px 20px; cursor: pointer; font-weight: 600; color: var(--navy); font-size: 16px; list-style: none; }
.five-item summary::-webkit-details-marker { display: none; }
.five-item summary::after { content: "+"; margin-left: auto; font-size: 20px; font-weight: 400; color: var(--gray-500); }
.five-item[open] summary::after { content: "–"; }
.five-num { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; background: var(--navy); color: #fff; font-size: 13px; display: flex; align-items: center; justify-content: center; }
.five-answer { padding: 0 20px 18px 60px; color: var(--gray-700); font-size: 14.5px; }

/* ---------- 四大能力卡片（深色通栏 + 反色悬停，与价值四维的上浮效果刻意区分） ---------- */
.section-dark { background: var(--navy-dark); }
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head p { color: #a9bad0; }
.cap-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: background .22s ease, border-color .22s ease; }
.cap-card:hover { background: var(--navy); border-color: var(--navy); }
.cap-card:hover h3 { color: #fff; }
.cap-card:hover p { color: #c9d6e4; }
.cap-ico { font-size: 15px; color: var(--green); margin-bottom: 12px; display: inline-block; transition: transform .22s ease, color .22s ease; }
.cap-card:hover .cap-ico { color: #7ee2a8; transform: scale(1.35); }
.cap-card h3 { color: var(--navy); font-size: 17.5px; margin-bottom: 10px; transition: color .22s ease; }
.cap-card p { color: var(--gray-700); font-size: 14.5px; transition: color .22s ease; }

/* ---------- 转化阶梯 ---------- */
.steps-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: none; }
.step-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; display: flex; flex-direction: column; position: relative; }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 14px; }
.step-card h3 { color: var(--navy); font-size: 16.5px; margin-bottom: 8px; }
.step-card p { color: var(--gray-700); font-size: 14px; flex: 1; margin-bottom: 16px; }

/* ---------- 价值链（产品能力 → 业务变化 → 经营结果） ---------- */
.chain-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 18px; align-items: stretch; }
.chain-step { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.chain-step-final { border-color: var(--navy); border-width: 2px; }
.chain-idx { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--navy); color: #fff; font-size: 13px; font-weight: 700; margin-bottom: 12px; }
.chain-step-final .chain-idx { background: var(--green); }
.chain-step h3 { color: var(--navy); font-size: 16.5px; margin-bottom: 8px; }
.chain-step p { color: var(--gray-700); font-size: 14.5px; }
.chain-arrow { display: flex; align-items: center; font-size: 22px; color: var(--line); }

/* ---------- 分角色答疑卡片 ---------- */
.qa-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; border-left: 3px solid var(--navy); }
.qa-card h3 { color: var(--navy); font-size: 16.5px; margin-bottom: 8px; }
.qa-card p { color: var(--gray-700); font-size: 14.5px; }

/* ---------- 产品页：信任行与资料条 ---------- */
.pd-trust-line { font-size: 13px; color: var(--gray-500); margin-top: 12px; text-align: center; }
.pd-doc-band { display: flex; align-items: center; justify-content: space-between; gap: 22px; flex-wrap: wrap; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.pd-doc-band h3 { color: var(--navy); font-size: 18px; margin-bottom: 6px; }
.pd-doc-band p { color: var(--gray-500); font-size: 14px; margin-bottom: 0; }

/* ---------- 关于我们：证书矩阵与服务承诺 ---------- */
.about-h2 { color: var(--navy); font-size: 22px; margin-bottom: 14px; }
.cert-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-align: center; }
.cert-name { display: block; font-size: 18px; font-weight: 700; color: var(--navy); letter-spacing: .5px; margin-bottom: 6px; }
.cert-note { display: block; font-size: 13px; color: var(--gray-500); }
.promise-list { list-style: none; max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.promise-list li { display: flex; gap: 12px; align-items: flex-start; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; font-size: 15px; color: var(--gray-700); }
.promise-ico { flex-shrink: 0; color: var(--green); font-weight: 700; }

/* ---------- 解决方案页 ---------- */
.sol-block { scroll-margin-top: 84px; }
.sol-head { display: grid; grid-template-columns: 96px 1fr; gap: 22px; align-items: center; margin-bottom: 26px; }
.sol-head-img { width: 96px; height: 96px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); }
.sol-head h2 { color: var(--navy); font-size: 27px; margin-bottom: 6px; }
.sol-note { font-size: 14.5px; color: var(--gray-500); }
.sol-note-tag { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .9px; text-transform: uppercase; color: var(--navy); background: var(--white); border: 1px solid var(--line); border-radius: 4px; padding: 2px 8px; margin-right: 8px; }
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 22px; }
.sol-cell { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; border-top: 3px solid var(--gray-500); }
.sol-pain { border-top-color: #c0392b; }
.sol-answer { border-top-color: var(--navy); }
.sol-result { border-top-color: var(--green); }
.sol-cell h3 { display: flex; align-items: center; gap: 9px; font-size: 15.5px; color: var(--navy); margin-bottom: 10px; text-transform: uppercase; letter-spacing: .5px; }
.sol-ico { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; font-size: 12px; font-weight: 700; color: #fff; background: var(--gray-500); }
.sol-pain .sol-ico { background: #c0392b; }
.sol-answer .sol-ico { background: var(--navy); }
.sol-result .sol-ico { background: var(--green); }
.sol-cell p { color: var(--gray-700); font-size: 14.5px; }
.sol-foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 18px; border-top: 1px solid var(--line); }
.sol-products { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 14px; }
.sol-products-label { color: var(--gray-500); font-weight: 600; }
.sol-products a { border: 1px solid var(--line); border-radius: 20px; padding: 5px 14px; font-size: 13.5px; color: var(--gray-700); }
.sol-products a:hover { border-color: var(--navy); color: var(--navy); }
.sol-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 联系页：优先通道 ---------- */
.contact-aside { display: flex; flex-direction: column; gap: 20px; }
.contact-card-wa { border-color: var(--green); border-width: 2px; }
.contact-card-note { font-size: 13.5px; color: var(--gray-500); margin: 10px 0 16px; }
.field select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 15px; font-family: inherit; color: var(--gray-900); background: var(--white);
}
.field select:focus { outline: none; border-color: var(--navy); }
.field-opt { font-style: normal; font-weight: 400; color: var(--gray-500); font-size: 12.5px; }

/* ---------- 浮动 WhatsApp 转化组件 ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 180;
  display: flex; align-items: center; gap: 9px;
  background: var(--green); color: #fff; font-weight: 600; font-size: 14.5px;
  padding: 13px 20px; border-radius: 40px; box-shadow: 0 6px 20px rgba(46,158,91,.36);
  transition: background .15s, transform .15s;
}
.wa-float:hover { background: var(--green-dark); color: #fff; transform: translateY(-2px); }
.wa-float svg { width: 20px; height: 20px; flex-shrink: 0; }
.wa-float span { white-space: nowrap; }

/* ---------- 响应式（移动优先断点） ---------- */
@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  /* 窄屏 banner：高度自适应，避免长文案溢出 650 固定高度 */
  .hero { height: auto; min-height: 480px; padding: 64px 0; }
  .hero-text h1 { font-size: 32px; }
  .product-detail, .about-layout, .contact-layout { grid-template-columns: 1fr; }
  .blog-layout { grid-template-columns: 1fr; }
  .chain-grid { grid-template-columns: 1fr; }
  .chain-arrow { display: none; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-grid { grid-template-columns: 1fr; }
  /* 交付五问：窄屏收成单列，引导栏不再粘性 */
  .five-wrap { grid-template-columns: 1fr; gap: 26px; }
  .five-intro { position: static; }
  /* 首页 FAQ：窄屏收成单列，介绍栏不再粘性 */
  .faq-grid { grid-template-columns: 1fr; gap: 30px; }
  .faq-intro { position: static; }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; margin-left: auto; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--line);
    flex-direction: column; padding: 12px 20px; box-shadow: 0 8px 18px rgba(0,0,0,.08);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 10px; border-bottom: 1px solid var(--bg); }
  .header-inner { flex-wrap: wrap; min-height: 62px; }
  .header-actions { order: 3; width: 100%; justify-content: flex-start; padding-bottom: 10px; }
  .site-header { position: static; }
  .cat-nav { top: 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .hero-text h1 { font-size: 27px; }
  .section { padding: 44px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .topbar-tagline { display: none; }
  .dl-item { flex-wrap: wrap; }
  .dl-item .btn { width: 100%; }
  .click-area, .btn { min-height: 44px; }
  /* 新板块移动端 */
  .steps-grid { grid-template-columns: 1fr; }
  /* 分页：窄屏缩小按钮，页码信息另起一行 */
  .pagination { gap: 6px; margin-top: 26px; }
  .pagination .page-link { min-width: 36px; height: 36px; padding: 0 10px; font-size: 13.5px; }
  .pagination .page-info { width: 100%; text-align: center; margin: 4px 0 0; }
  .cat-count { display: block; margin: 6px 0 0; }
  .sol-head { grid-template-columns: 1fr; gap: 14px; }
  .sol-head-img { width: 72px; height: 72px; }
  .sol-head h2 { font-size: 22px; }
  .sol-grid { grid-template-columns: 1fr; }
  .sol-foot { flex-direction: column; align-items: stretch; }
  .sol-actions .btn { width: 100%; }
  .five-answer { padding-left: 20px; }
  .val-idx { font-size: 18px; top: 14px; right: 16px; }
  .chain-arrow { font-size: 18px; }
  .trust-strip { justify-content: flex-start; padding-bottom: 18px; }
  /* 浮窗在窄屏收成圆形，避免遮挡内容 */
  .wa-float { right: 16px; bottom: 16px; padding: 14px; border-radius: 50%; }
  .wa-float span { display: none; }
  .contact-layout { gap: 26px; }
  /* 询盘 CTA：窄屏收窄内边距、标题降级、按钮通栏 */
  .cta-box { padding: 44px 20px 40px; }
  .cta-box h2 { font-size: 23px; }
  .cta-box p { font-size: 14.5px; margin-bottom: 24px; }
  .cta-box .hero-cta { flex-direction: column; align-items: stretch; }
  .cta-box .hero-cta .btn { width: 100%; }
}

/* ============================================================
   下载解锁（注册订阅，WhatsApp 必填）
   ============================================================ */
/* 免费页数标签 */
.reader-badge {
  display: inline-block; background: rgba(46,158,91,.12); color: var(--green-dark);
  border: 1px solid rgba(46,158,91,.28); border-radius: 20px;
  padding: 2px 12px; font-size: 12.5px; font-weight: 700; margin-right: 8px;
  vertical-align: 1px;
}
.reader-badge.ok { background: rgba(46,158,91,.18); color: var(--green-dark); }
.dl-freepages-badge {
  display: inline-block; margin-top: 14px; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.35); color: #fff; border-radius: 20px;
  padding: 5px 16px; font-size: 13.5px; font-weight: 600;
}
.page-head .dl-freepages-badge + * { margin-top: 10px; }

/* 解锁弹窗 */
.modal-box-lg { max-width: 620px; text-align: left; padding: 34px 36px 28px; }
.modal-box-lg h3 { text-align: center; }
.modal-box-lg > p { text-align: center; font-size: 14.5px; margin-bottom: 20px; }
.gf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.gf-field { display: block; }
.gf-field.gf-full { grid-column: 1 / -1; }
.gf-field > span { display: block; font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 5px; }
.gf-field > span b { color: #c0392b; }
.gf-field input[type="text"],
.gf-field input[type="email"],
.gf-field input[type="tel"] {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 11px 13px; font-size: 15px; color: var(--gray-900); background: #fff;
  font-family: inherit;
}
.gf-field input:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(18,53,92,.10); }
.gf-field input:invalid:not(:placeholder-shown) { border-color: #d98a80; }
.gf-hint { display: block; font-size: 12px; color: var(--gray-500); font-style: normal; margin-top: 4px; }
.gf-check { display: flex; gap: 9px; align-items: flex-start; margin: 16px 0 18px; font-size: 13.5px; color: var(--gray-700); }
.gf-check input { margin-top: 3px; flex: none; }
.gf-submit { width: 100%; }
.modal-box .form-msg { min-height: 20px; margin: 10px 0 0; font-size: 14px; text-align: center; }
.modal-box .form-msg.ok { color: var(--green-dark); font-weight: 600; }
.modal-box .form-msg.err { color: #c0392b; font-weight: 600; }
.gf-privacy { font-size: 12px; color: var(--gray-500); text-align: center; margin: 8px 0 0 !important; }
/* WhatsApp 是硬门槛，视觉上单独强调 */
.gf-field .wa-label { color: var(--green-dark); }

@media (max-width: 640px) {
  .gf-grid { grid-template-columns: 1fr; }
  .modal-box-lg { padding: 28px 20px 22px; }
  /* 首页 FAQ：手机上收紧内距 */
  .faq-contact { padding: 22px 18px 24px; }
  .faq-item { padding: 0 16px; }
  .faq-item summary { gap: 10px; padding-right: 34px; }
  .faq-item summary h3 { font-size: 15.5px; }
  .faq-body { padding: 0 6px 18px 36px; }
  .faq-more { padding-left: 36px; }
}