/* =========================================================
   星创云数据交易平台 - 全局样式
   设计语言：克制克制的 B 端风格
   - 主色：深蓝 #1f4ed8（单一强调色体系）
   - 背景：浅灰 #f5f6f8 与纯白交替，细边框卡片
   - 无渐变滥用、无玻璃拟态、无 emoji 图标
   ========================================================= */

:root {
  --bg: #f5f6f8;
  --bg-alt: #eef1f5;
  --ink: #141d2c;
  --body: #47566b;
  --muted: #7c8ba1;
  --line: #e3e8ef;
  --line-strong: #d3dae3;
  --primary: #1f4ed8;
  --primary-hover: #1a42b8;
  --primary-light: #eaf0fd;
  --accent: #d97706;
  --accent-light: #fdf3e7;
  --green: #177a3c;
  --green-light: #e9f6ee;
  --danger: #d92d20;
  --danger-light: #fdecea;
  --white: #fff;
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(20,29,44,.05);
  --shadow-md: 0 6px 20px rgba(20,29,44,.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--body);
  font-size: 14px;
  line-height: 1.7;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; }
.container { max-width: 100%; margin: 0 auto; padding: 0 32px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 22px; font-size: 14px; font-weight: 500; border-radius: 6px;
  border: 1px solid transparent; cursor: pointer; transition: all .15s;
  text-decoration: none; white-space: nowrap; font-family: inherit; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn-outline { background: #fff; color: var(--primary); border-color: #b6c8ee; }
.btn-outline:hover { border-color: var(--primary); background: var(--primary-light); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.14); border-color: #fff; color: #fff; }
.btn-danger { background: #fff; color: var(--danger); border-color: #f2c1bc; }
.btn-danger:hover { background: var(--danger-light); }
.btn-lg { padding: 12px 30px; font-size: 15px; }
.btn-sm { padding: 5px 14px; font-size: 12px; border-radius: 5px; }
.btn-block { width: 100%; }

/* ---------- 徽章 ---------- */
.tag { display: inline-block; font-size: 11px; padding: 2px 9px; border-radius: 4px; font-weight: 500; line-height: 1.6; }
.tag-blue { background: var(--primary-light); color: var(--primary); }
.tag-green { background: var(--green-light); color: var(--green); }
.tag-orange { background: var(--accent-light); color: var(--accent); }
.tag-red { background: var(--danger-light); color: var(--danger); }
.tag-gray { background: #eef1f5; color: var(--muted); }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--body); margin-bottom: 7px; }
.form-label .req { color: var(--danger); margin-left: 2px; }
.form-control {
  width: 100%; padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: 6px;
  font-size: 14px; color: var(--ink); background: #fff; transition: border-color .15s, box-shadow .15s;
  outline: none; font-family: inherit;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(31,78,216,.10); }
.form-control::placeholder { color: #a5b2c4; }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 5px; line-height: 1.6; }

/* ---------- 面板 ---------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card-hover { transition: border-color .2s, box-shadow .2s, transform .2s; }
.card-hover:hover { border-color: #b8c8ec; box-shadow: var(--shadow-md); transform: translateY(-2px); }
.panel-head { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.panel-title { font-size: 16px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 9px; }
.panel-title::before { content: ""; width: 4px; height: 16px; border-radius: 2px; background: var(--primary); }
.panel-body { padding: 20px; }

/* ---------- 提示 ---------- */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px; border: 1px solid transparent; line-height: 1.6; }
.alert-success { background: var(--green-light); color: var(--green); border-color: #c5e6d2; }
.alert-error { background: var(--danger-light); color: var(--danger); border-color: #f5cdc9; }
.alert-warning { background: var(--accent-light); color: var(--accent); border-color: #f6e2c3; }
.alert-info { background: var(--primary-light); color: var(--primary); border-color: #ccdaf7; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; padding: 11px 14px; font-size: 12px; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--line); background: #fafbfd; white-space: nowrap; }
.table td { padding: 11px 14px; font-size: 13px; color: var(--body); border-bottom: 1px solid #f0f3f7; vertical-align: middle; }
.table tr:hover td { background: #fafbfd; }

/* ---------- 分页 ---------- */
.pager { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 18px 0; }
.pager a, .pager span { display: inline-flex; align-items: center; justify-content: center; min-width: 34px; height: 34px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 6px; font-size: 13px; color: var(--body); background: #fff; }
.pager a:hover { border-color: var(--primary); color: var(--primary); }
.pager .cur { background: var(--primary); color: #fff; border-color: var(--primary); }
.pager .info { border: none; background: none; color: var(--muted); }

/* ---------- 空状态 ---------- */
.empty { padding: 48px 20px; text-align: center; color: #9fadc0; font-size: 13px; }
.empty svg { width: 48px; height: 48px; margin-bottom: 10px; opacity: .5; }

/* ---------- 文本工具 ---------- */
.muted { color: var(--muted); }
.center { text-align: center; }
.right { text-align: right; }
.mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mt24 { margin-top: 24px; } .mt32 { margin-top: 32px; }
.mb8 { margin-bottom: 8px; } .mb16 { margin-bottom: 16px; } .mb24 { margin-bottom: 24px; }
.text-ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.text-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.link { color: var(--primary); font-weight: 500; }
.link:hover { text-decoration: underline; }

/* ---------- 网格 ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }

/* =========================================================
   顶部导航（移植 fbapi 渐变半透明毛玻璃与靠右越透明视觉）
   ========================================================= */
.site-header {
  position: sticky; top: 0; right: 0; left: 0; z-index: 500;
  height: 64px;
  border-bottom: 1px solid rgba(223, 229, 235, 0.7);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.78) 45%, rgba(255, 255, 255, 0.28) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 14px rgba(13, 43, 82, 0.04);
}
.site-header-inner {
  display: flex; align-items: center;
  width: 100%; height: 100%; margin: 0 auto;
  padding: 0 36px; gap: 0;
}
.site-brand {
  display: flex; align-items: center; gap: 10px;
  flex: none; height: 100%; padding: 0 24px 0 0;
  font-size: 16px; font-weight: 700; letter-spacing: .2px;
  color: #0b1f3a; text-decoration: none;
}
.site-brand:hover { color: #0052d9; }
.site-brand img { width: 28px; height: 28px; border-radius: 4px; object-fit: cover; }
.site-nav {
  display: flex; align-items: stretch; align-self: stretch;
  margin-left: 16px; gap: 0;
}
.site-nav a {
  display: flex; align-items: center; height: 100%;
  padding: 0 16px; border-bottom: 2px solid transparent;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(17, 31, 58, 0.78);
  font-size: 14px; font-weight: 500; text-decoration: none;
  transition: background .2s, color .2s, border-color .2s;
}
.site-nav a:hover {
  border-bottom-color: #0052d9;
  background: #fff;
  color: #0052d9;
}
.site-nav a.active {
  border-bottom-color: #0052d9;
  background: rgba(255, 255, 255, 0.18);
  color: #0052d9; font-weight: 600;
}
.site-header-right {
  display: flex; align-items: stretch; align-self: stretch;
  gap: 0; margin-left: auto; font-size: 14px;
}
.site-header-right a.header-link {
  display: flex; align-items: center; padding: 0 20px;
  background: rgba(255, 255, 255, 0.12);
  color: #172f4d; font-weight: 500; text-decoration: none;
  transition: background .2s, color .2s;
}
.site-header-right a.header-link:hover {
  background: #fff; color: #0052d9;
}
.site-header-right a.header-link-primary {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 110px; height: 64px; padding: 0 24px;
  background: #0052d9 !important; color: #fff !important;
  font-size: 14px; font-weight: 500; text-decoration: none;
  transition: background .2s;
}
.site-header-right a.header-link-primary:hover {
  background: #0044b3 !important; color: #fff !important;
}
.site-header-right .user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 0 16px; background: rgba(255, 255, 255, 0.15);
  color: #172f4d; font-weight: 500; text-decoration: none;
  transition: background .2s;
}
.site-header-right .user-chip:hover {
  background: #fff; color: #0052d9;
}
.site-header-right .user-chip img {
  width: 26px; height: 26px; border-radius: 50%; object-fit: cover;
}
.site-header-right .user-avatar-fallback {
  width: 26px; height: 26px; border-radius: 50%; background: #0052d9;
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; text-transform: uppercase;
}
.site-header-right .header-logout-link {
  display: flex; align-items: center; padding: 0 14px;
  color: #8ca5be; background: rgba(255, 255, 255, 0.08);
  font-size: 13px; text-decoration: none; transition: color .2s, background .2s;
}
.site-header-right .header-logout-link:hover {
  color: #d92d20; background: #fff;
}

/* =========================================================
   首屏 Hero（视频 + 遮罩）
   ========================================================= */
.hero { position: relative; height: 100vh; min-height: 620px; overflow: hidden; background: #101b30; }
.hero video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,18,34,.62) 0%, rgba(10,18,34,.40) 45%, rgba(10,18,34,.78) 100%);
}
.hero-content {
  position: relative; z-index: 2; height: 100%; max-width: 100%; margin: 0 auto; padding: 0 32px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: #fff;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 3px; color: rgba(255,255,255,.82);
  border: 1px solid rgba(255,255,255,.4); border-radius: 999px; padding: 5px 16px; margin-bottom: 22px;
}
.hero-eyebrow::before, .hero-eyebrow::after { content: ""; width: 18px; height: 1px; background: rgba(255,255,255,.55); }
.hero h1 { font-size: 52px; font-weight: 700; line-height: 1.25; letter-spacing: 2px; margin-bottom: 16px; }
.hero .sub { font-size: 16px; color: rgba(255,255,255,.82); letter-spacing: 1px; margin-bottom: 34px; }
.hero-stats { display: flex; align-items: center; gap: 0; margin-bottom: 34px; }
.hero-stat { padding: 0 34px; border-left: 1px solid rgba(255,255,255,.22); }
.hero-stat:first-child { border-left: none; }
.hero-stat .num { font-size: 34px; font-weight: 700; line-height: 1.2; }
.hero-stat .num small { font-size: 18px; color: rgba(255,255,255,.8); }
.hero-stat .lbl { font-size: 13px; color: rgba(255,255,255,.68); margin-top: 2px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

/* 厦门地标指向标签 */
.twin-tag {
  position: absolute; z-index: 3; right: 9%; bottom: 22%; display: flex; align-items: flex-start; gap: 8px;
  opacity: .9; filter: drop-shadow(0 2px 6px rgba(0,0,0,.4));
}
.tt-dot { width: 10px; height: 10px; border-radius: 50%; background: #ffb020; border: 2px solid #fff; margin-top: 4px; }
.tt-line { width: 44px; height: 1px; background: rgba(255,255,255,.7); margin-top: 8px; }
.tt-label { color: #fff; text-align: left; }
.tt-label b { display: block; font-size: 13px; font-weight: 600; }
.tt-label span { font-size: 10px; letter-spacing: 1px; color: rgba(255,255,255,.75); }

/* =========================================================
   区块
   ========================================================= */
.sec { padding: 68px 0; background: #fff; }
.sec-alt { background: var(--bg); }
.sec-dark { background: #f4f6fa; }

/* 区块标题：左对齐编辑式 */
.sec-head { margin-bottom: 38px; }
.sec-head .no {
  display: inline-block; font-size: 12px; font-weight: 600; color: var(--accent);
  letter-spacing: 2px; margin-bottom: 10px; padding-left: 14px; position: relative;
}
.sec-head .no::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 12px; height: 2px; border-radius: 1px; background: var(--accent); }
.sec-head h2 { font-size: 30px; font-weight: 700; color: var(--ink); margin-bottom: 10px; line-height: 1.3; }
.sec-head .sub { font-size: 14px; color: var(--muted); }
.sec-head .rule { margin-top: 16px; width: 44px; height: 3px; border-radius: 2px; background: var(--primary); }
.sec-dark .sec-head .no { color: var(--primary); }
.sec-dark .sec-head .no::before { background: var(--primary); }
.sec-dark .sec-head h2 { color: var(--ink); }
.sec-dark .sec-head .sub { color: var(--muted); }
.sec-dark .sec-head .rule { background: var(--primary); }

/* ---------- 行动条 ---------- */
.action-band { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--ink); }
.action-band .inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px 0; flex-wrap: wrap; }
.action-band h3 { font-size: 21px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.action-band p { font-size: 13px; color: var(--muted); }
.action-btns { display: flex; gap: 12px; flex-wrap: wrap; }

/* =========================================================
   首页组件
   ========================================================= */
/* 数据超市产品卡 */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: border-color .2s, box-shadow .2s, transform .2s; }
.product-card:hover { border-color: #b8c8ec; box-shadow: var(--shadow-md); transform: translateY(-3px); }
.product-thumb { position: relative; display: block; height: 150px; overflow: hidden; background: #eef1f5; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.product-card:hover .product-thumb img { transform: scale(1.04); }
.product-thumb .noimg { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: #9fadc0; font-size: 12px; }
.p-type { position: absolute; left: 12px; top: 12px; }
.product-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-name { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.product-name a { color: inherit; }
.product-name a:hover { color: var(--primary); }
.product-desc { font-size: 12px; color: var(--muted); }
.product-meta { display: flex; align-items: baseline; gap: 8px; }
.product-price { font-size: 18px; font-weight: 700; color: var(--primary); }
.product-price .unit { font-size: 12px; font-weight: 400; color: var(--muted); }
.product-extra { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 10px; }

/* 需求卡 */
.demand-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: flex; flex-direction: column; gap: 10px; transition: border-color .2s, box-shadow .2s, transform .2s; }
.demand-card:hover { border-color: #b8c8ec; box-shadow: var(--shadow-md); transform: translateY(-2px); }
.demand-name { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.demand-name a { color: inherit; }
.demand-name a:hover { color: var(--primary); }
.demand-desc { font-size: 12px; color: var(--muted); }
.demand-meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.demand-budget { font-size: 15px; font-weight: 700; color: var(--accent); }

/* 机构卡 */
.ent-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; text-align: center; transition: border-color .2s, box-shadow .2s, transform .2s; }
a.ent-card { display: block; color: inherit; text-decoration: none; }
.ent-card:hover { border-color: #b8c8ec; box-shadow: var(--shadow-md); transform: translateY(-2px); }
.ent-logo { width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%; overflow: hidden; border: 1px solid var(--line); background: #f4f7fc; display: flex; align-items: center; justify-content: center; }
.ent-logo img { width: 100%; height: 100%; object-fit: cover; }
.ent-card h4 { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 6px; line-height: 1.4; }
.ent-card p { font-size: 12px; color: var(--muted); min-height: 40px; }

/* 服务四模块 */
/* 平台服务 · 四通路（卡片式，无图标模板卡） */
.route-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.route-item { display: flex; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 18px; transition: border-color .2s, box-shadow .2s, transform .2s; }
.route-item:hover { border-color: #b8c8ec; box-shadow: var(--shadow-md); transform: translateY(-2px); }
.route-no { font-size: 15px; font-weight: 700; color: var(--primary-light); letter-spacing: .5px; line-height: 1; flex-shrink: 0; }
.route-body { flex: 1; min-width: 0; }
.route-body h4 { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.route-body p { font-size: 12.5px; color: var(--muted); line-height: 1.75; margin-bottom: 10px; }
.route-link { font-size: 12.5px; color: var(--primary); font-weight: 600; }
.route-item:hover .route-link { text-decoration: underline; }

/* 特色图文卡（旧系统B端图） */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.feature-img { height: 168px; overflow: hidden; background: #f7f9fc; display: flex; align-items: center; justify-content: center; }
.feature-img img { height: 100%; object-fit: cover; }
.feature-body { padding: 22px; }
.feature-body h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.feature-body p { font-size: 13px; color: var(--body); line-height: 1.8; }
.feature-body ul { list-style: none; margin-top: 12px; }
.feature-body li { font-size: 12px; color: var(--muted); padding: 3px 0 3px 18px; position: relative; }
.feature-body li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 2px; background: var(--primary); }

/* 官方资源 band */
.resource-band { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 30px 34px; display: flex; align-items: center; gap: 34px; }
.resource-band .rb-img { width: 150px; flex-shrink: 0; }
.resource-band .rb-body { flex: 1; min-width: 0; }
.resource-band .rb-body h3 { font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.resource-band .rb-body p { font-size: 13px; color: var(--body); margin-bottom: 12px; }
.resource-band .rb-stats { display: flex; gap: 26px; }
.resource-band .rb-stat .n { font-size: 24px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.resource-band .rb-stat .l { font-size: 12px; color: var(--muted); }

/* 生态数字条 */
.eco-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.eco-item { padding: 26px 20px; text-align: center; border-left: 1px solid var(--line); }
.eco-item:first-child { border-left: none; }
.eco-item .n { font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1.2; }
.eco-item .n small { font-size: 15px; color: var(--primary); }
.eco-item .l { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* 实时运行数据条：三项整体居中 */
.live-strip { display: flex; justify-content: center; align-items: center; gap: 48px; padding: 28px 32px; background: linear-gradient(135deg, #f6f9ff 0%, #eef4ff 100%); border: 1px solid #dbe7ff; border-radius: 14px; }
.live-item { text-align: center; min-width: 140px; }
.live-item .n { font-size: 34px; font-weight: 700; color: var(--primary); line-height: 1.1; }
.live-item .n small { font-size: 14px; color: var(--muted); font-weight: 500; margin-left: 2px; }
.live-item .l { font-size: 13px; color: var(--muted); margin-top: 6px; }
.live-divider { width: 1px; height: 40px; background: #cdddf7; }

/* 流程步骤 */
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-card, .step-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; }
.step-num { font-size: 26px; font-weight: 700; color: var(--primary-light); line-height: 1; margin-bottom: 14px; }
.step-num em { font-style: normal; font-size: 13px; font-weight: 600; color: var(--accent); display: block; margin-bottom: 4px; }
.step-card h4, .step-title { font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.step-card p, .step-desc { font-size: 13px; color: var(--body); line-height: 1.8; }

/* 安全合规 */
.security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.security-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 18px; }
.security-card .sc-no { font-size: 13px; font-weight: 700; color: var(--primary); display: block; margin-bottom: 8px; letter-spacing: .5px; }
.security-card h4 { color: var(--ink); font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.security-card p { color: var(--body); font-size: 12.5px; line-height: 1.8; }

/* ---------- 页头横幅（旧页面通用） ---------- */
.page-banner { background: #fff; border-bottom: 1px solid var(--line); padding: 30px 0; }
.page-banner h1 { font-size: 26px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.page-banner p { font-size: 13px; color: var(--muted); }

/* ---------- 详情页（产品/需求） ---------- */
.detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }
.detail-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.detail-main .detail-title { font-size: 24px; font-weight: 700; color: var(--ink); margin-bottom: 10px; line-height: 1.4; }
.detail-main .detail-code { font-size: 12px; color: var(--muted); margin-bottom: 18px; }
.detail-gallery { margin-bottom: 20px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fafbfd; }
.detail-gallery img { width: 100%; display: block; max-height: 420px; object-fit: contain; }
.detail-main h3 { font-size: 17px; font-weight: 600; color: var(--ink); margin: 24px 0 12px; }
.rich-text { font-size: 14px; color: var(--body); line-height: 1.9; word-break: break-word; }
.detail-side { position: sticky; top: 80px; }
.detail-side .card { padding: 20px; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table td { padding: 8px 0; font-size: 13px; vertical-align: top; }
.info-table td:first-child { color: var(--muted); width: 84px; }

/* =========================================================
   数据超市 / 需求大厅 / 机构页
   ========================================================= */
.page-band { background: #fff; border-bottom: 1px solid var(--line); padding: 30px 0; }
.page-band h1 { font-size: 26px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.page-band .desc { font-size: 13px; color: var(--muted); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.filter-bar a { padding: 7px 16px; background: #fff; border: 1px solid var(--line-strong); border-radius: 6px; font-size: 13px; color: var(--body); transition: all .15s; }
.filter-bar a:hover { border-color: var(--primary); color: var(--primary); }
.filter-bar a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 筛选表单（数据超市/需求大厅） */
.filter-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.filter-label { width: 64px; flex-shrink: 0; font-size: 13px; color: var(--muted); }
.filter-search { display: flex; gap: 8px; flex: 1; min-width: 300px; }
.filter-search .form-control { flex: 1; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-chips a { padding: 7px 16px; background: #fff; border: 1px solid var(--line-strong); border-radius: 6px; font-size: 13px; color: var(--body); line-height: 1.5; transition: all .15s; }
.filter-chips a:hover { border-color: var(--primary); color: var(--primary); }
.filter-chips a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.search-row { display: flex; gap: 10px; margin: 20px 0; }
.search-row .form-control { max-width: 360px; }

/* =========================================================
   页脚（统一首页浅灰色 #f0f4f8 与双官方备案 UI）
   ========================================================= */
body { min-height: 100vh; display: flex; flex-direction: column; }
.footer, .site-footer {
  margin-top: auto; flex-shrink: 0;
  padding: 60px 5% 32px;
  background: #f0f4f8;
  color: #52677d;
  font-size: 12px;
  border-top: 1px solid #dfe5eb;
}
.footer-wrap {
  max-width: 1180px;
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid #dce3e9;
}
.footer-brand h3 {
  color: #172f4d;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}
.footer-brand p {
  line-height: 1.8;
  color: #7590a8;
  max-width: 360px;
}
.footer-col h4 {
  color: #172f4d;
  font-size: 14px;
  margin-bottom: 14px;
  font-weight: 500;
}
.footer-col a {
  display: block;
  margin-bottom: 9px;
  color: #7590a8;
  transition: .2s;
  text-decoration: none;
}
.footer-col a:hover {
  color: #0052d9;
}
.footer-bottom {
  margin-top: 24px;
  text-align: center;
  line-height: 1.7;
  color: #7590a8;
  font-size: 11px;
}
.footer-copy {
  margin-bottom: 14px;
  color: #7590a8;
}
.footer-beian {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: #7590a8;
  font-size: 11px;
}
.footer-beian a,
.footer-beian a:link,
.footer-beian a:visited,
.footer-beian a:hover,
.footer-beian a:active {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #7590a8 !important;
  text-decoration: none !important;
  border-bottom: none !important;
  outline: none;
  transition: color .2s;
}
.footer-beian a:hover {
  color: #0052d9 !important;
}
.footer-beian img {
  height: 16px;
  width: auto;
  object-fit: contain;
  vertical-align: middle;
  flex-shrink: 0;
}
.footer-beian .beian-sep {
  color: #c3d0dc;
  user-select: none;
}

/* =========================================================
   关于我们
   ========================================================= */
.about-copy { max-width: 860px; }
.about-copy p { font-size: 14px; color: var(--body); line-height: 1.9; margin-bottom: 12px; }
.about-item { border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px; background: #fff; }
.about-item-t { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.about-item p { font-size: 13px; color: var(--body); line-height: 1.8; }
.about-contact { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 24px 28px; }
.about-contact p { font-size: 14px; color: var(--body); line-height: 1.9; }

/* =========================================================
   强制 PC 视口：不做移动端适配，小屏直接横向滚动查看
   ========================================================= */
html, body { min-width: 960px; }