/* =========================================================
    帮主无忧 · 全球跨境电商基础设施服务商 v2
    设计语言：深色 Hero / 左对齐版式 / 橙色转化按钮 / 8px 卡片
    ========================================================= */
  :root {
    --navy: #0a1633;
    --navy-2: #10265e;
    --primary: #1f6bff;
    --accent: #ff7a00;
    --accent-dark: #e56d00;
    --ink: #16233f;
    --ink-soft: #5c6b87;
    --line: #e5eaf3;
    --bg: #ffffff;
    --bg-soft: #f6f8fb;
    --ok: #16a34a;
    --radius: 10px;
    --shadow: 0 8px 24px rgba(16, 38, 94, .08);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  html, body { overflow-x: clip; }
  body { font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.65; -webkit-font-smoothing: antialiased; }
  a { color: inherit; text-decoration: none; transition: color .2s; }
  ul { list-style: none; }
  img { max-width: 100%; display: block; }
  .container { width: min(1200px, 92%); margin: 0 auto; }

  /* ---------------- 顶部公告条 ---------------- */
  .topbar { background: var(--navy); color: #c8d4ee; font-size: 12.5px; }
  .topbar .container { display: flex; align-items: center; justify-content: space-between; height: 34px; gap: 16px; }
  .topbar .tb-note { display: flex; align-items: center; gap: 8px; overflow: hidden; white-space: nowrap; }
  .topbar .tb-note .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; animation: blink 1.6s infinite; }
  @keyframes blink { 50% { opacity: .3; } }
  .topbar .tb-contact { display: flex; gap: 18px; flex-shrink: 0; }
  .topbar .tb-contact b { color: #fff; font-weight: 600; }

  /* ---------------- Header ---------------- */
  .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
  .header-inner { display: flex; align-items: center; gap: 28px; height: 70px; }
  .logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
  .logo-img { width: 38px; height: 38px; }
  .logo-name { font-size: 21px; font-weight: 800; color: var(--navy); letter-spacing: .5px; }
  .logo-name i { font-style: normal; color: var(--primary); }
  .main-nav { flex: 1; }
  .main-nav > ul { display: flex; align-items: center; gap: 4px; }
  .main-nav > ul > li { position: relative; }
  .main-nav > ul > li > a { display: block; padding: 26px 14px; font-size: 15px; font-weight: 600; color: var(--ink); border-bottom: 3px solid transparent; /* 已去掉激活下划线，保留占位避免高度跳动 */ }
  .main-nav > ul > li > a:hover { color: var(--primary); }
  .main-nav > ul > li.active > a { color: var(--primary); border-bottom-color: transparent; }
  .nav-caret { display: inline-block; width: 0; height: 0; margin-left: 5px; vertical-align: 2px; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; opacity: .5; }

  /* 下拉菜单 */
  .dropdown { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px); width: 300px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 16px 40px rgba(16, 38, 94, .14); padding: 8px; opacity: 0; visibility: hidden; transition: all .22s ease; }
  .main-nav li:hover .dropdown, .main-nav li:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
  .dd-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; }
  .dd-item:hover { background: var(--bg-soft); }
  .dd-badge { flex-shrink: 0; font-size: 11px; font-weight: 700; color: var(--primary); background: #eaf1ff; border-radius: 4px; padding: 2px 8px; }
  .dd-text { flex: 1; min-width: 0; }
  .dd-text strong { display: block; font-size: 14px; color: var(--ink); }
  .dd-text small { display: block; font-size: 12px; color: var(--ink-soft); }
  .dd-arrow { color: #b9c6e2; font-size: 14px; transition: transform .2s; }
  .dd-item:hover .dd-arrow { transform: translateX(3px); color: var(--primary); }

  .header-cta { flex-shrink: 0; }
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 8px; font-size: 15px; font-weight: 700; cursor: pointer; border: 0; transition: all .25s; }
  .btn-accent { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(255, 122, 0, .32); }
  .btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); color: #fff; }
  .btn-primary { background: var(--primary); color: #fff; }
  .btn-primary:hover { background: #1554d6; color: #fff; }
  .btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .45); }
  .btn-ghost:hover { border-color: #fff; color: #fff; }
  .btn-outline { background: #fff; color: var(--primary); border: 1.5px solid #cfdcf8; }
  .btn-outline:hover { border-color: var(--primary); }
  .btn-block { width: 100%; }
  .btn-lg { padding: 15px 34px; font-size: 16px; }

  .nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; margin-left: auto; }
  .nav-toggle span { display: block; width: 22px; height: 2.5px; background: var(--navy); border-radius: 2px; margin: 5px 0; }

  /* ---------------- Hero（深色 + 报价卡） ---------------- */
  .hero { position: relative; background: var(--navy); color: #fff; padding: 84px 0 96px; overflow: hidden; }
  .hero .container { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
  .hero-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: #ffd9b8; background: rgba(255, 122, 0, .14); border: 1px solid rgba(255, 122, 0, .35); border-radius: 6px; padding: 6px 14px; }
  .hero h1 { font-size: clamp(32px, 4.4vw, 52px); line-height: 1.22; font-weight: 800; margin: 22px 0 16px; }
  .hero h1 em { font-style: normal; color: #6ea8ff; }
  .hero-lead { font-size: 16.5px; color: #b9c7e6; max-width: 520px; }
  .hero-points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; margin-top: 26px; }
  .hero-points li { display: flex; gap: 8px; align-items: flex-start; font-size: 14.5px; color: #dbe5f8; }
  .hero-points svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; stroke: var(--accent); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
  .hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
  .hero-badges span { font-size: 12.5px; color: #9fb1d6; border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .05); padding: 5px 13px; border-radius: 6px; }

  /* 报价计算器卡片 */
  .quote-card { background: #fff; color: var(--ink); border-radius: 14px; box-shadow: 0 30px 70px rgba(3, 10, 30, .45); padding: 30px 30px 26px; position: relative; }
  .quote-card::before { content: ""; position: absolute; top: 0; left: 24px; right: 24px; height: 4px; border-radius: 0 0 4px 4px; background: var(--accent); }
  .quote-card h3 { font-size: 19px; color: var(--navy); font-weight: 800; }
  .quote-card .qc-sub { font-size: 13px; color: var(--ink-soft); margin: 6px 0 18px; }
  .qc-label { display: block; font-size: 13px; font-weight: 700; color: var(--ink); margin: 14px 0 8px; }
  .qc-pills { display: flex; flex-wrap: wrap; gap: 8px; }
  .qc-pills label { cursor: pointer; }
  .qc-pills input { display: none; }
  .qc-pills span { display: inline-block; font-size: 13px; padding: 7px 14px; border: 1.5px solid var(--line); border-radius: 8px; color: var(--ink-soft); background: #fbfcff; transition: all .18s; }
  .qc-pills input:checked + span { border-color: var(--primary); color: var(--primary); background: #eef4ff; font-weight: 600; }
  .qc-select, .qc-row select { width: 100%; border: 1.5px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: 14px; color: var(--ink); background: #fbfcff; font-family: inherit; outline: none; }
  .qc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .qc-result { margin-top: 18px; background: #f4f8ff; border: 1px dashed #bcd0f5; border-radius: 10px; padding: 14px 16px; }
  .qc-result .qr-line { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-soft); padding: 3px 0; }
  .qc-result .qr-line b { color: var(--navy); }
  .qc-result .qr-price { display: flex; align-items: baseline; justify-content: space-between; margin-top: 6px; }
  .qc-result .qr-price b { font-size: 24px; color: var(--accent); font-weight: 800; }
  .qc-result .qr-price span { font-size: 12px; color: var(--ink-soft); }
  .quote-card .btn { margin-top: 14px; }

  /* ---------------- 数据带 ---------------- */
  .stats { background: #fff; border-bottom: 1px solid var(--line); }
  .stats .container { display: grid; grid-template-columns: repeat(4, 1fr); }
  .stat { text-align: center; padding: 30px 10px; position: relative; }
  .stat + .stat::before { content: ""; position: absolute; left: 0; top: 25%; height: 50%; width: 1px; background: var(--line); }
  .stat b { display: block; font-size: 36px; font-weight: 800; color: var(--navy); line-height: 1.15; }
  .stat b i { font-style: normal; font-size: 17px; color: var(--accent); margin-left: 2px; }
  .stat span { font-size: 13.5px; color: var(--ink-soft); }

  /* ---------------- Section 通用（左对齐版式） ---------------- */
  .section { padding: 82px 0; }
  .section-white { background: var(--bg-soft); }
  .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
  .section-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; letter-spacing: 1.5px; color: var(--primary); text-transform: uppercase; }
  .section-kicker::before { content: ""; width: 22px; height: 3px; border-radius: 2px; background: var(--accent); }
  .section-title { font-size: clamp(25px, 3vw, 34px); font-weight: 800; color: var(--navy); margin-top: 8px; }
  .section-sub { color: var(--ink-soft); font-size: 15px; margin-top: 8px; }
  .section-more { flex-shrink: 0; font-size: 14px; font-weight: 600; color: var(--primary); padding-bottom: 4px; }
  .section-more:hover { opacity: .8; }

  .grid { display: grid; gap: 22px; }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }

  /* ---------------- 卖家旅程服务 ---------------- */
  .journey { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
  .stage { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: all .25s; }
  .stage:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #d3def2; }
  .stage-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
  .stage-num { font-size: 13px; font-weight: 800; color: #fff; background: var(--primary); width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; }
  .stage:nth-child(2) .stage-num { background: #0e9dff; }
  .stage:nth-child(3) .stage-num { background: #7c3aed; }
  .stage:nth-child(4) .stage-num { background: var(--accent); }
  .stage-head b { font-size: 17px; color: var(--navy); }
  .stage-sub { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 16px; }
  .stage ul li { border-top: 1px dashed var(--line); }
  .stage ul a { display: flex; justify-content: space-between; align-items: center; padding: 11px 2px; font-size: 14.5px; font-weight: 600; color: var(--ink); }
  .stage ul a:hover { color: var(--primary); }
  .stage ul .arrow { color: #b9c6e2; font-size: 13px; }
  .stage ul a:hover .arrow { color: var(--primary); transform: translateX(3px); }

  /* ---------------- 全球仓网 ---------------- */
  .network { background: var(--navy); color: #fff; border-radius: 16px; padding: 50px 54px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; overflow: hidden; position: relative; }
  .network::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(110, 168, 255, .22) 1.5px, transparent 1.5px); background-size: 22px 22px; }
  .net-map { position: relative; z-index: 1; }
  .net-map svg { width: 100%; height: auto; }
  .net-info { position: relative; z-index: 1; }
  .net-info h3 { font-size: 24px; font-weight: 800; margin-bottom: 10px; }
  .net-info > p { color: #9fb1d6; font-size: 14.5px; margin-bottom: 22px; }
  .net-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
  .net-list li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: #dbe5f8; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: 8px; padding: 9px 12px; }
  .net-list .flag { font-size: 17px; }
  .net-list b { color: #fff; display: block; font-size: 13px; }
  .net-list small { color: #9fb1d6; font-size: 11.5px; display: block; }

  /* ---------------- 平台矩阵 ---------------- */
  .plat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
  .plat-tile { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 10px; text-align: center; transition: all .22s; }
  .plat-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfdcf8; }
  .plat-tile b { display: block; font-size: 15.5px; color: var(--navy); }
  .plat-tile span { font-size: 12px; color: var(--ink-soft); }
  .plat-tile .tag { display: inline-block; margin-top: 8px; font-size: 11px; font-weight: 700; color: var(--ok); background: #e9f9ef; border-radius: 4px; padding: 2px 8px; }

  /* ---------------- 方案卡 ---------------- */
  .plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
  .plan { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 30px 28px; position: relative; display: flex; flex-direction: column; transition: all .25s; }
  .plan:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
  .plan.hot { border: 2px solid var(--primary); box-shadow: 0 18px 44px rgba(31, 107, 255, .18); }
  .plan .hot-tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 4px 16px; }
  .plan h3 { font-size: 18px; color: var(--navy); }
  .plan .stage-tag { font-size: 12px; color: var(--ink-soft); margin: 4px 0 16px; }
  .plan .price { font-size: 32px; font-weight: 800; color: var(--navy); }
  .plan .price small { font-size: 13px; color: var(--ink-soft); font-weight: 400; }
  .plan ul { margin: 18px 0 22px; flex: 1; }
  .plan ul li { display: flex; gap: 8px; font-size: 13.5px; color: var(--ink); padding: 6px 0; align-items: flex-start; }
  .plan ul li::before { content: "✓"; color: var(--ok); font-weight: 800; flex-shrink: 0; }
  .plan ul li.no { color: #a8b3c7; }
  .plan ul li.no::before { content: "—"; color: #c6cdd9; }
  .plan .btn { width: 100%; }

  /* ---------------- 案例卡 ---------------- */
  .case-card { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; }
  .case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
  .case-img { height: 180px; overflow: hidden; position: relative; background: #10265e; }
  .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
  .case-card:hover .case-img img { transform: scale(1.05); }
  .case-img .case-market { position: absolute; top: 12px; left: 12px; font-size: 12px; font-weight: 700; color: #fff; background: rgba(255, 122, 0, .92); border-radius: 6px; padding: 3px 10px; }
  .case-info { padding: 18px 20px 20px; }
  .case-info h3 { font-size: 16.5px; color: var(--navy); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .case-metrics { display: flex; gap: 18px; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
  .case-metrics div b { display: block; font-size: 15px; color: var(--accent); font-weight: 800; }
  .case-metrics div span { font-size: 11.5px; color: var(--ink-soft); }

  /* ---------------- 出海学院 ---------------- */
  .news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; }
  .news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
  .nc-head { height: 8px; background: var(--primary); }
  .nc-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
  .nc-meta { display: flex; gap: 12px; font-size: 12px; color: #94a3c4; margin-bottom: 10px; }
  .nc-meta .nc-cat { color: var(--primary); font-weight: 700; }
  .news-card h3 { font-size: 16.5px; color: var(--navy); line-height: 1.5; }
  .news-card h3:hover { color: var(--primary); }
  .news-card p { font-size: 13.5px; color: var(--ink-soft); margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }

  /* ---------------- 客户评价 ---------------- */
  .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .review { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; }
  .review .stars { color: var(--accent); letter-spacing: 2px; font-size: 14px; }
  .review p { font-size: 14px; color: var(--ink); margin: 12px 0 18px; min-height: 84px; }
  .review .who { display: flex; align-items: center; gap: 12px; }
  .review .avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 15px; }
  .review .who b { display: block; font-size: 14px; color: var(--navy); }
  .review .who span { font-size: 12px; color: var(--ink-soft); }

  /* ---------------- FAQ ---------------- */
  .faq-cats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
  .faq-cats a { font-size: 13.5px; font-weight: 600; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 999px; padding: 7px 18px; background: #fff; }
  .faq-cats a:hover { color: var(--primary); border-color: #c4d5f9; }
  details.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
  details.faq-item[open] { border-color: #c4d5f9; box-shadow: var(--shadow); }
  details.faq-item summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 17px 22px; font-size: 15.5px; font-weight: 700; color: var(--navy); }
  details.faq-item summary::-webkit-details-marker { display: none; }
  details.faq-item summary .plus { font-size: 20px; font-weight: 400; color: var(--primary); transition: transform .2s; flex-shrink: 0; }
  details.faq-item[open] summary .plus { transform: rotate(45deg); }
  details.faq-item .faq-a { padding: 0 22px 18px; font-size: 14px; color: var(--ink-soft); }

  /* ---------------- CTA ---------------- */
  .cta-band { background: var(--navy); border-radius: 16px; padding: 48px 54px; display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; color: #fff; }
  .cta-band h2 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; }
  .cta-band p { margin-top: 8px; color: #9fb1d6; }
  .cta-right { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
  .cta-tel { font-size: 24px; font-weight: 800; letter-spacing: 1px; }

  /* ---------------- 内页 banner ---------------- */
  .page-banner { background: var(--navy); color: #fff; padding: 58px 0; }
  .page-title { font-size: clamp(25px, 3vw, 33px); font-weight: 800; }
  .breadcrumb { margin-top: 10px; font-size: 13.5px; color: #9fb1d6; display: flex; gap: 10px; align-items: center; }
  .breadcrumb a { color: #c3d2f0; }
  .breadcrumb a:hover { color: #fff; }

  /* ---------------- 列表页 ---------------- */
  .list-toolbar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
  .list-toolbar a { padding: 9px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--ink-soft); background: #fff; border: 1px solid var(--line); }
  .list-toolbar a:hover { color: var(--primary); border-color: #c4d5f9; }
  .list-toolbar a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
  .pagination { display: flex; justify-content: center; align-items: center; gap: 4px; margin-top: 46px; flex-wrap: wrap; }
  .pagination span { display: inline-flex; align-items: center; border: 0; background: transparent; padding: 0; min-width: 0; height: auto; }
  .pagination .page-status { font-size: 13.5px; color: #94a3c4; margin-right: 14px; }
  .pagination .page-numbar { gap: 6px; margin: 0 6px; }
  .pagination .page-index a, .pagination .page-pre a, .pagination .page-next a, .pagination .page-last a { height: 34px; padding: 0 10px; display: inline-flex; align-items: center; border-radius: 8px; font-size: 14px; color: var(--ink-soft); transition: all .2s; }
  .pagination .page-index a:hover, .pagination .page-pre a:hover, .pagination .page-next a:hover, .pagination .page-last a:hover { color: var(--primary); background: #f0f5ff; }
  .pagination a.page-num { min-width: 34px; height: 34px; padding: 0 6px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; font-size: 14px; color: var(--ink-soft); transition: all .2s; }
  .pagination a.page-num:hover { color: var(--primary); background: #f0f5ff; }
  .pagination a.page-num-current { background: var(--primary); color: #fff; font-weight: 600; }
  .pagination a.page-num-current:hover { background: var(--primary); color: #fff; }
  .pagination span.page-num { color: #b6c2d9; }

  /* ---------------- 详情页 ---------------- */
  .detail-wrap { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
  .detail-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 40px; }
  .detail-title { font-size: clamp(21px, 2.5vw, 28px); font-weight: 800; color: var(--navy); line-height: 1.35; }
  .detail-meta { display: flex; flex-wrap: wrap; gap: 18px; margin: 16px 0 6px; padding-bottom: 18px; border-bottom: 1px dashed var(--line); font-size: 13px; color: #94a3c4; }
  .detail-content { margin-top: 22px; font-size: 15.5px; color: #33415e; overflow-wrap: break-word; }
  .detail-content h2 { color: var(--navy); margin: 24px 0 10px; font-size: 20px; }
  .detail-content h3 { color: var(--navy); margin: 20px 0 10px; font-size: 17px; }
  .detail-content p { margin: 10px 0; }
  .detail-content ul { list-style: disc; padding-left: 22px; margin: 10px 0; }
  .detail-content li { margin: 5px 0; }
  .detail-content img { max-width: 100%; height: auto; border-radius: 10px; margin: 14px auto; }
  .side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; margin-bottom: 20px; }
  .side-card h3 { font-size: 15.5px; color: var(--navy); margin-bottom: 14px; padding-left: 10px; border-left: 3px solid var(--accent); }
  .side-list li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; font-size: 13.5px; border-bottom: 1px dashed var(--line); }
  .side-list li:last-child { border-bottom: 0; }
  .side-list .k { color: #94a3c4; flex-shrink: 0; }
  .side-list .v { color: var(--ink); text-align: right; }
  .side-list .v.hl { color: var(--accent); font-weight: 700; }
  .side-contact li { padding: 6px 0; font-size: 13.5px; color: var(--ink-soft); }
  .side-contact li b { color: var(--ink); font-weight: 600; }

  /* ---------------- 上一篇 / 下一篇（详情页通用组件） ---------------- */
  .detail-narrow { max-width: 900px; }
  .post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 30px; padding-top: 24px; border-top: 1px dashed var(--line); }
  .post-nav a { display: block; min-width: 0; padding: 12px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; color: var(--ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: all .2s; }
  .post-nav a:hover { color: var(--primary); border-color: #c4d5f9; }
  .post-nav .pn-next { text-align: right; }

  /* ---------------- 联系页 ---------------- */
  .contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
  .contact-lead { color: var(--ink-soft); font-size: 14.5px; margin: 10px 0 20px; }
  .contact-list li { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px dashed var(--line); }
  .cl-label { flex-shrink: 0; width: 90px; color: #94a3c4; font-size: 13.5px; padding-top: 2px; }
  .cl-value { color: var(--ink); font-size: 14.5px; font-weight: 500; }
  .contact-form-box { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 34px 34px 38px; box-shadow: var(--shadow); }
  .contact-form-box h2 { font-size: 20px; color: var(--navy); margin-bottom: 6px; }
  .contact-form-box .cf-sub { font-size: 13px; color: var(--ink-soft); margin-bottom: 20px; }
  .msg-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .msg-form input, .msg-form select, .msg-form textarea { width: 100%; border: 1.5px solid var(--line); border-radius: 8px; padding: 12px 14px; font-size: 14.5px; font-family: inherit; color: var(--ink); outline: none; transition: border .2s; margin-bottom: 14px; background: #fbfcff; }
  .msg-form input:focus, .msg-form select:focus, .msg-form textarea:focus { border-color: var(--primary); background: #fff; }
  .msg-form textarea { resize: vertical; }
  .form-code { display: flex; gap: 12px; align-items: center; }
  .form-code input { flex: 1; }
  .form-code img { height: 44px; border-radius: 8px; cursor: pointer; border: 1px solid var(--line); }

  /* ---------------- 搜索 ---------------- */
  .search-box { display: flex; gap: 10px; max-width: 560px; margin: 0 auto 46px; }
  .search-box input { flex: 1; border: 1.5px solid var(--line); border-radius: 8px; padding: 12px 20px; font-size: 14.5px; outline: none; font-family: inherit; }
  .search-box input:focus { border-color: var(--primary); }

  /* ---------------- 页脚 ---------------- */
  .site-footer { background: var(--navy); color: #9fb1d6; padding: 64px 0 0; margin-top: 0; }
  .footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1.15fr; gap: 38px; padding-bottom: 42px; }
  .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
  .footer-logo img { width: 34px; height: 34px; }
  .footer-logo b { font-size: 21px; font-weight: 800; color: #fff; }
  .footer-desc { font-size: 13.5px; line-height: 1.8; }
  .footer-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; }
  .footer-nav li { margin-bottom: 9px; font-size: 13.5px; }
  .footer-nav li a:hover { color: #fff; }
  .footer-contact li { margin-bottom: 9px; font-size: 13.5px; }
  .friend-links { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; font-size: 13px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
  .friend-links a:hover { color: #fff; }
  .copyright { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; font-size: 12.5px; text-align: center; }
  .copyright a { color: #7e93bd; margin-left: 8px; }

  .float-call { position: fixed; right: 24px; bottom: 28px; display: flex; flex-direction: column; gap: 10px; z-index: 90; }
  .float-call a { width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 10px 26px rgba(16, 38, 94, .3); }
  .float-call .fc-tel { background: var(--accent); }
  .float-call .fc-top { background: var(--navy); color: #fff; font-size: 12px; font-weight: 700; }
  .float-call svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

  /* ---------------- 价格表页 ---------------- */
  .compare { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 14px; }
  .compare th, .compare td { padding: 13px 16px; text-align: center; border-bottom: 1px solid var(--line); }
  .compare th { background: var(--bg-soft); color: var(--navy); font-size: 14.5px; }
  .compare td:first-child { text-align: left; color: var(--ink-soft); font-weight: 600; width: 200px; }
  .compare .hot-col { background: #f4f8ff; }
  .compare tr:hover td { background: #fafcff; }
  .compare tr:hover .hot-col { background: #eef4ff; }
  .price-note { font-size: 13px; color: var(--ink-soft); margin-top: 16px; }

  /* ---------------- 响应式 ---------------- */
  @media (max-width: 1024px) {
    .grid-4, .plat-grid { grid-template-columns: repeat(3, 1fr); }
    .journey { grid-template-columns: repeat(2, 1fr); }
    .hero .container { grid-template-columns: 1fr; }
    .network { grid-template-columns: 1fr; padding: 36px 28px; }
    .contact-grid, .detail-wrap { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .topbar .tb-note span { overflow: hidden; text-overflow: ellipsis; }
  }
  @media (max-width: 768px) {
    .nav-toggle { display: block; }
    .main-nav { position: absolute; top: 70px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 18px 30px rgba(16, 38, 94, .12); display: none; }
    .main-nav.open { display: block; }
    .main-nav > ul { flex-direction: column; align-items: stretch; padding: 10px 5vw 18px; gap: 2px; }
    .main-nav > ul > li > a { border-bottom: 0; padding: 12px 14px; border-radius: 8px; }
    .main-nav > ul > li.active > a { background: var(--bg-soft); }
    .dropdown { position: static; transform: none; width: auto; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 0 0 6px 14px; display: none; }
    .main-nav li:hover .dropdown { display: block; }
    .header-cta { display: none; }
    .topbar .tb-contact { display: none; }
    .section { padding: 56px 0; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .journey { grid-template-columns: 1fr; }
    .plat-grid { grid-template-columns: repeat(2, 1fr); }
    .stats .container { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(3)::before { display: none; }
    .hero { padding: 56px 0 64px; }
    .hero-points { grid-template-columns: 1fr; }
    .plan-grid, .review-grid { grid-template-columns: 1fr; }
    .network { padding: 30px 22px; }
    .net-list { grid-template-columns: 1fr; }
    .cta-band { padding: 34px 26px; }
    .detail-main { padding: 26px 20px; }
    .post-nav { grid-template-columns: 1fr; }
    .post-nav .pn-next { text-align: left; }
    .contact-form-box { padding: 26px 20px 30px; }
    .msg-form .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .compare th, .compare td { padding: 10px 8px; font-size: 13px; }
    .compare td:first-child { width: auto; }
  }

  /* ---------------- 精简版服务卡 ---------------- */
  .svc-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; transition: all .25s; display: flex; flex-direction: column; }
  .svc-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #d3def2; }
  .svc-card h3 { font-size: 17.5px; color: var(--navy); }
  .svc-card h3 a:hover { color: var(--primary); }
  .svc-card p { font-size: 13.5px; color: var(--ink-soft); margin: 10px 0 14px; flex: 1; }
  .svc-meta { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-top: 1px dashed var(--line); margin-bottom: 12px; }
  .svc-price { font-size: 15px; font-weight: 800; color: var(--accent); }
  .svc-cycle { font-size: 12px; color: var(--ink-soft); }

  /* ---------------- 服务分类卡 ---------------- */
  .cat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; transition: all .22s; display: flex; flex-direction: column; gap: 4px; border-top: 3px solid var(--primary); }
  .cat-card:nth-child(2) { border-top-color: #0e9dff; }
  .cat-card:nth-child(3) { border-top-color: #7c3aed; }
  .cat-card:nth-child(4) { border-top-color: var(--accent); }
  .cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
  .cat-card b { font-size: 17px; color: var(--navy); }
  .cat-card span { font-size: 12.5px; color: var(--ink-soft); }
  .cat-card em { font-style: normal; margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--primary); }

  /* ---------------- 内页横幅背景图（后台栏目大图） ---------------- */
  .page-banner.has-bg { background-size: cover; background-position: center; position: relative; min-height: 340px; display: flex; align-items: center; }
  .page-banner.has-bg::before { content: ""; position: absolute; inset: 0; background: rgba(10, 22, 51, .55); }
  .page-banner.has-bg .container { position: relative; z-index: 1; }

  /* ---------------- Hero 背景轮播（内容压图） ---------------- */
  .hero-bg { position: absolute; inset: 0; z-index: 0; }
  .hero-bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; }
  .hero-bg img.on { opacity: .65; }