/* 边界云资讯版块样式 — 设计 token 与官网 index.html 保持一致 */
:root {
  --brand-primary:#2463F5;
  --brand-cyan:#00B8FF;
  --brand-deep:#0E2E6B;
  --brand-glow:#7BB6FF;
  --bg-canvas:#FBFAF7;
  --bg-surface:#FFFFFF;
  --bg-subtle:#F3F1EC;
  --bg-warm:#F7F6F2;
  --bg-blue-light:#EEF3FF;
  --ink-900:#0B1220;
  --ink-700:#1F2937;
  --ink-500:#51607A;
  --ink-300:#6B7A94;
  --ink-inverse:#F5F8FF;
  --ok-mint:#3DD68C;
  --warn-amber:#FFB547;
  --err-coral:#FF5A6E;
  --shadow-warm:0 4px 24px rgba(36,99,245,0.08),0 1px 4px rgba(0,0,0,0.06);
  --shadow-warm-lg:0 8px 48px rgba(36,99,245,0.12),0 2px 8px rgba(0,0,0,0.08);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --grad-brand:linear-gradient(135deg,#2463F5 0%,#00B8FF 100%);
  --grad-warm:linear-gradient(135deg,#FFF8F0 0%,#F0F4FF 100%);
  --container:1280px;
  --px:32px}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 3px; border-radius: 4px; }
:focus:not(:focus-visible) { outline: none; }

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg-canvas);
  color: var(--ink-700);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--px); }
.container-narrow { max-width: 920px; }

/* ===== 导航(与官网首页一致) ===== */
#nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background 0.3s ease,box-shadow 0.3s ease;padding:0}
#nav.scrolled{background:rgba(251,250,247,0.96);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(0,0,0,0.06)}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 var(--px);display:flex;align-items:center;height:72px;gap:40px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink-900);flex-shrink:0}
.nav-logo-mark{width:36px;height:36px;border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;box-shadow:0 0 0 1px rgba(0,0,0,0.06)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{padding:8px 14px;border-radius:var(--r-sm);font-size:14px;font-weight:500;color:var(--ink-700);transition:background 0.15s,color 0.15s}
.nav-links a:hover{background:var(--bg-blue-light);color:var(--brand-primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-login{padding:8px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--ink-500);border:1px solid rgba(0,0,0,0.1);transition:all 0.15s}
.nav-login:hover{color:var(--ink-900);border-color:rgba(0,0,0,0.2)}
.nav-demo{padding:9px 20px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:white;background:var(--grad-brand);box-shadow:0 3px 12px rgba(36,99,245,0.3);transition:all 0.2s}
.nav-demo:hover{transform:translateY(-1px);box-shadow:0 5px 16px rgba(36,99,245,0.4)}
.hamburger{display:none;flex-direction:column;gap:5px;width:36px;height:36px;align-items:center;justify-content:center;border-radius:var(--r-sm);background:var(--bg-subtle);cursor:pointer;border:none}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink-700);border-radius:2px;transition:all 0.25s}
.mobile-menu{display:none;flex-direction:column;gap:4px;background:white;padding:16px;border-top:1px solid rgba(0,0,0,0.06);box-shadow:0 8px 24px rgba(0,0,0,0.08)}
.mobile-menu a{padding:12px 16px;border-radius:var(--r-md);font-size:15px;font-weight:500;color:var(--ink-700);transition:background 0.15s}
.mobile-menu a:hover{background:var(--bg-blue-light);color:var(--brand-primary)}
.mobile-menu .m-actions{display:flex;gap:10px;padding:8px 0 4px;margin-top:8px;border-top:1px solid rgba(0,0,0,0.06)}
.mobile-menu .m-actions a{flex:1;text-align:center}
#wechat-modal{display:none;position:fixed;inset:0;z-index:9000;align-items:center;justify-content:center}
#wechat-modal.open{display:flex}
.wechat-overlay{position:absolute;inset:0;background:rgba(11,18,32,0.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:overlayIn 0.25s ease both}
.wechat-dialog{position:relative;z-index:1;background:white;border-radius:var(--r-xl);box-shadow:0 24px 80px rgba(36,99,245,0.18),0 4px 16px rgba(0,0,0,0.1);padding:40px 36px 36px;display:flex;flex-direction:column;align-items:center;max-width:340px;width:90%;animation:dialogIn 0.3s cubic-bezier(0.34,1.56,0.64,1) both}
.wechat-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:var(--r-sm);background:var(--bg-subtle);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;color:var(--ink-500);transition:all 0.15s}
.wechat-close:hover{background:var(--bg-blue-light);color:var(--brand-primary)}
.wechat-logo-wrap{width:48px;height:48px;border-radius:14px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.wechat-title{font-size:18px;font-weight:800;color:var(--ink-900);margin-bottom:6px;text-align:center}
.wechat-sub{font-size:13px;color:var(--ink-500);text-align:center;margin-bottom:24px;line-height:1.6}
.wechat-qr-frame{width:200px;height:200px;border-radius:var(--r-lg);overflow:hidden;border:2px solid rgba(36,99,245,0.1);box-shadow:var(--shadow-warm);margin-bottom:16px}
.wechat-qr-frame img{width:100%;height:100%;object-fit:cover;display:block}
.wechat-hint{font-size:12px;color:var(--ink-300);text-align:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--r-pill);font-size:16px;font-weight:600;line-height:1;transition:all 0.2s ease}
.btn-primary{background:var(--grad-brand);color:white;box-shadow:0 4px 16px rgba(36,99,245,0.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(36,99,245,0.45)}
.btn-secondary{background:white;color:var(--brand-primary);border:1.5px solid rgba(36,99,245,0.25);box-shadow:var(--shadow-warm)}
.btn-secondary:hover{background:var(--bg-blue-light);border-color:var(--brand-primary);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px}
@keyframes overlayIn{from{opacity:0}to{opacity:1}}
@keyframes dialogIn{from{opacity:0;transform:scale(0.88) translateY(16px)}to{opacity:1;transform:scale(1) translateY(0)}}
.nav-links a.active{background:var(--bg-blue-light);color:var(--brand-primary)}
body{padding-top:72px}
@media (max-width:960px){.nav-links{display:none}.hamburger{display:flex;margin-left:auto}.nav-actions .nav-login{display:none}}
@media (max-width:640px){.nav-actions .nav-demo{display:none}}
@media (max-width:768px){body{padding-top:60px}.hamburger,.nav-demo{min-height:44px}.mobile-menu a{min-height:44px;display:flex;align-items:center}.nav-inner{padding:0 16px;height:60px}.nav-logo{font-size:16px;min-height:44px;display:flex;align-items:center}.nav-logo-mark{width:30px;height:30px}}


/* ===== 页面骨架 ===== */
.page { padding: 48px 0 80px; min-height: 60vh; }
.breadcrumb { font-size: 13px; color: var(--ink-300); display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.breadcrumb a:hover { color: var(--brand-primary); }
.breadcrumb span[aria-current] { color: var(--ink-500); max-width: 24em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-head { margin-bottom: 32px; }
.page-head h1 { font-size: 34px; color: var(--ink-900); letter-spacing: .02em; margin-bottom: 10px; }
.page-sub { color: var(--ink-500); font-size: 16px; max-width: 46em; }
.text-link { color: var(--brand-primary); font-weight: 600; }
.text-link:hover { text-decoration: underline; }
.empty-note { color: var(--ink-500); padding: 48px 0; }

/* ===== 筛选 chips ===== */
.filter-group { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
.filter-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.filter-label { font-size: 13px; color: var(--ink-300); margin-right: 4px; }
.chip {
  display: inline-block; padding: 4px 12px; border-radius: var(--r-pill);
  font-size: 13px; background: var(--bg-subtle); color: var(--ink-500);
}
.chip-sector { background: var(--bg-blue-light); color: var(--brand-primary); font-weight: 600; }
.chip-type { background: var(--bg-subtle); color: var(--ink-500); }
.chip-link { border: 1px solid rgba(11, 18, 32, 0.08); background: var(--bg-surface); transition: all .2s; }
.chip-link:hover { border-color: var(--brand-primary); color: var(--brand-primary); }

/* ===== 卡片 ===== */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px;
}
.card {
  background: var(--bg-surface); border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-warm); transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-warm-lg); }
.card-cover { aspect-ratio: 16 / 9; overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; }
.card-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--ink-300); }
.card-title { font-size: 17px; line-height: 1.5; color: var(--ink-900); }
.card:hover .card-title { color: var(--brand-primary); }
.card-desc {
  font-size: 14px; color: var(--ink-500);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ===== 资讯列表(行式)+ 分页 ===== */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.nrow {
  display: flex; gap: 24px; align-items: stretch;
  background: var(--bg-surface); border-radius: var(--r-md);
  padding: 22px 26px; box-shadow: var(--shadow-warm);
  transition: transform .2s, box-shadow .2s;
}
.nrow:hover { transform: translateY(-2px); box-shadow: var(--shadow-warm-lg); }
.nrow-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.nrow-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--ink-300); }
.nrow-title { font-size: 18px; line-height: 1.5; color: var(--ink-900); }
.nrow:hover .nrow-title { color: var(--brand-primary); }
.nrow-desc {
  font-size: 14px; color: var(--ink-500);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nrow-more {
  margin-top: auto; padding-top: 4px; display: inline-flex; align-items: center; gap: 5px;
  font-size: 13px; font-weight: 600; color: var(--brand-primary);
}
.nrow-more svg { transition: transform .2s; }
.nrow:hover .nrow-more svg { transform: translateX(3px); }
.nrow-thumb {
  flex: 0 0 200px; border-radius: var(--r-sm); overflow: hidden; align-self: center;
}
.nrow-thumb img { width: 200px; height: 124px; object-fit: cover; }

.pager { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 36px; }
.pg-num, .pg-btn {
  min-width: 38px; height: 38px; padding: 0 12px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm); background: var(--bg-surface);
  border: 1px solid rgba(11, 18, 32, 0.08); font-size: 14px; color: var(--ink-500);
  transition: all .2s;
}
.pg-num:hover, .pg-btn:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.pg-cur { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; font-weight: 600; }
.pg-cur:hover { color: #fff; }
.pg-gap { color: var(--ink-300); padding: 0 2px; }

/* ===== 文章页 ===== */
.article-head h1 { font-size: 30px; line-height: 1.4; color: var(--ink-900); margin-top: 14px; }
.article-cover { border-radius: var(--r-md); overflow: hidden; margin: 26px 0; }
.article-body { margin-top: 26px; font-size: 16px; color: var(--ink-700); }
.article-body h2 {
  font-size: 22px; color: var(--ink-900); margin: 38px 0 14px;
  padding-left: 14px; border-left: 4px solid var(--brand-primary);
}
.article-body h3 { font-size: 18px; color: var(--ink-900); margin: 28px 0 10px; }
.article-body p { margin: 14px 0; }
.article-body ul, .article-body ol { margin: 14px 0; padding-left: 1.6em; }
.article-body li { margin: 6px 0; }
.article-body strong { color: var(--ink-900); }
.article-body a { color: var(--brand-primary); }
.article-body a:hover { text-decoration: underline; }
.article-body img { border-radius: var(--r-sm); margin: 18px auto; }
.article-body blockquote {
  margin: 18px 0; padding: 14px 20px; background: var(--bg-blue-light);
  border-radius: var(--r-sm); color: var(--ink-500);
}
.article-body table { border-collapse: collapse; width: 100%; margin: 18px 0; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid rgba(11,18,32,.1); padding: 9px 12px; text-align: left; }
.article-body th { background: var(--bg-subtle); color: var(--ink-900); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }

/* ===== 文中 CTA ===== */
.article-cta {
  margin: 40px 0; padding: 26px 30px; border-radius: var(--r-lg);
  background: var(--grad-brand); color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  box-shadow: var(--shadow-warm-lg);
}
.cta-text { display: flex; flex-direction: column; gap: 4px; }
.cta-text strong { font-size: 18px; }
.cta-text span { font-size: 14px; opacity: .9; }
.btn-primary {
  display: inline-block; padding: 11px 24px; border-radius: var(--r-pill);
  background: #fff; color: var(--brand-primary); font-weight: 700; font-size: 15px;
  transition: transform .2s;
}
.btn-primary:hover { transform: translateY(-1px); }

/* ===== 上一篇/下一篇 ===== */
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 36px 0; }
.article-nav-item {
  background: var(--bg-surface); border-radius: var(--r-md); padding: 16px 20px;
  box-shadow: var(--shadow-warm); font-size: 15px; color: var(--ink-900);
  display: flex; flex-direction: column; gap: 4px; transition: transform .2s;
}
.article-nav-item span { font-size: 12px; color: var(--ink-300); }
.article-nav-item:hover { transform: translateY(-2px); color: var(--brand-primary); }
.article-nav-item.disabled { color: var(--ink-300); box-shadow: none; background: var(--bg-subtle); }
.article-nav-item.disabled:hover { transform: none; }
.related h2 { font-size: 22px; color: var(--ink-900); margin: 44px 0 20px; }

/* ===== 页脚 ===== */
.footer { background: var(--bg-surface); border-top: 1px solid rgba(11,18,32,.06); padding: 56px 0 28px; margin-top: 40px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink-900); margin-bottom: 14px; }
.footer-logo img { width: 36px; height: 36px; object-fit: contain; }
.footer-tagline { font-size: 14px; color: var(--ink-500); max-width: 30em; }
.footer-col-title { font-size: 14px; font-weight: 700; color: var(--ink-900); margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a { font-size: 14px; color: var(--ink-500); }
.footer-links a:hover { color: var(--brand-primary); }
.footer-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(11,18,32,.06);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: var(--ink-300);
}
.footer-legal { display: flex; gap: 18px; }
.footer-legal a:hover { color: var(--brand-primary); }

/* ===== 响应式 ===== */
@media (max-width: 860px) {
  :root { --px: 20px; }
  .hamburger { display: block; margin-left: auto; }
  .mobile-menu {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg-surface); border-bottom: 1px solid rgba(11,18,32,.08);
    padding: 12px 20px 20px; flex-direction: column; gap: 4px;
    box-shadow: var(--shadow-warm);
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { padding: 10px 4px; font-size: 15px; color: var(--ink-700); border-bottom: 1px solid rgba(11,18,32,.04); }
  .mobile-menu a.active { color: var(--brand-primary); font-weight: 600; }
  .page { padding: 28px 0 56px; }
  .page-head h1 { font-size: 26px; }
  .nrow { flex-direction: column; gap: 14px; padding: 18px 20px; }
  .nrow-thumb { flex: none; align-self: stretch; }
  .nrow-thumb img { width: 100%; height: auto; aspect-ratio: 16 / 9; }
  .article-head h1 { font-size: 24px; }
  .article-nav { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
}