:root {
      --brand: #0170c1;
      --brand-dark: #015a9e;
      --brand-light: #e8f2fb;
      --gold: #f5b301;
      --gold-soft: #fff7e0;
      --ink: #1f2933;
      --muted: #5b6b7b;
      --line: #e3ebf2;
      --bg: #ffffff;
      --bg-soft: #f6f9fb;
      --ok: #1f9d55;
      --bad: #e0533d;
      --radius: 14px;
      --shadow: 0 8px 28px rgba(1, 112, 193, .12);
      --maxw: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
      color: var(--ink);
      background: var(--bg);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
    .skip-link {
      position: absolute; left: -999px; top: 0; background: var(--brand); color: #fff;
      padding: 10px 16px; z-index: 999; border-radius: 0 0 8px 0;
    }
    .skip-link:focus { left: 0; }

    /* ---------- Header / Nav ---------- */
    header.site {
      position: sticky; top: 0; z-index: 50;
      background: rgba(255,255,255,.92);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--line);
    }
    .nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
    .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--brand); }
    .logo .mark {
      width: 34px; height: 34px; border-radius: 9px;
      background: linear-gradient(135deg, var(--brand), #3ea7f8);
      display: grid; place-items: center; color: #fff; font-size: 16px; font-weight: 900;
    }
    .logo img { height: 34px; width: auto; display: block; }
    .nav-links { display: flex; gap: 26px; font-size: 15px; color: var(--muted); }
    .nav-links a:hover { color: var(--brand); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 6px;
      background: var(--brand); color: #fff; font-weight: 700;
      padding: 10px 20px; border-radius: 999px; border: none; cursor: pointer;
      transition: .2s; font-size: 15px;
    }
    .btn:hover { background: var(--brand-dark); transform: translateY(-1px); }
    .btn.gold { background: #fff; color: #0170c1; }
    .btn.gold:hover { background: #fff; }
    .btn.ghost { background: transparent; color: var(--brand); border: 1.5px solid var(--brand); }
    .btn.ghost:hover { background: var(--brand-light); }
    .btn.big { padding: 14px 30px; font-size: 17px; }

    /* ---------- Breadcrumb ---------- */
    .crumb { font-size: 13px; color: var(--muted); padding: 14px 0 0; }
    .crumb a:hover { color: var(--brand); }
    .crumb .sep { margin: 0 8px; color: #c2cdd8; }

    /* ---------- Hero ---------- */
    .hero {
      position: relative; overflow: hidden; color: #fff;
      /* Hero 背景图取自 lingfenghuanqiu.cn 主题 banner.jpg；叠加品牌蓝渐变保证文字可读，并保留 #2283da 主色调；
         若外链图加载失败，最底层品牌渐变自动作为回退背景 */
      background:
       linear-gradient(125deg, rgb(1 112 193 / 0%) 0%, rgb(1 112 193 / 0%) 55%, rgb(1 112 193 / 0%) 100%), url(https://lingfenghuanqiu.cn/wp-content/themes/gold/assets/images/banner.jpg) center center / cover no-repeat, linear-gradient(180deg, #015a9e 0%, #0170c1 100%);       padding: 64px 0 56px;
    }
    .hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; }
    .hero h1 { font-size: 42px; line-height: 1.25; margin: 14px 0 16px; letter-spacing: .5px; color: #fff; }
    .hero h1 .hl { color: #ffd54a; }
    .hero p.lead { font-size: 17px; color: rgba(255,255,255,.92); max-width: 540px; margin: 0 0 26px; }
    .hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
    .hero-visual {
      background: linear-gradient(160deg, #015a9e, #0170c1 55%, #3ea7f8);
      border-radius: 20px; padding: 26px; color: #fff; box-shadow: var(--shadow);
      position: relative;
    }
    .hero-visual h3 { margin: 0 0 4px; font-size: 18px; opacity: .9; font-weight: 600; }
    .quote-row { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 0; border-bottom: 1px dashed rgba(255,255,255,.25); }
    .quote-row:last-child { border-bottom: none; }
    .quote-row .sym { font-weight: 700; font-size: 16px; }
    .quote-row .px { font-size: 22px; font-weight: 800; }
    .quote-row .chg { font-size: 14px; font-weight: 700; }
    .chg.up { color: #ffd54a; }
    .chg.down { color: #ff9b8a; }
    .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 30px; }
    .stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; text-align: center; box-shadow: 0 4px 14px rgba(0,0,0,.04); }
    .stat .num { font-size: 26px; font-weight: 900; color: var(--brand); }
    .stat .lbl { font-size: 13px; color: var(--muted); margin-top: 4px; }

    /* ---------- Section base ---------- */
    section.block { padding: 60px 0; }
    section.block.soft { background: var(--bg-soft); }
    .sec-head { text-align: center; max-width: 760px; margin: 0 auto 38px; overflow: hidden; }
    .sec-head .kicker { color: var(--brand); font-weight: 800; letter-spacing: 2px; font-size: 13px; position: relative; z-index: 1; }
    .brand-copy .kicker { color: var(--brand); font-weight: 800; letter-spacing: 2px; font-size: 13px; position: relative; z-index: 1; }
    .sec-head h2, .brand-copy h2 {
      position: relative; color: var(--brand); font-weight: 900; font-size: 30px; line-height: 1.25;
      margin: 10px 0 14px; padding: 4px 0; z-index: 1;
    }
    .sec-head h2::before, .brand-copy h2::before {
      content: attr(data-wm);
      position: absolute; left: 50%; top: 52%; transform: translate(-50%, -50%);
      font-size: 50px; font-weight: 900; letter-spacing: 3px; white-space: nowrap;
      color: #edf3f9; z-index: -1; pointer-events: none; line-height: 1;
    }
    .sec-head h2::after {
      content: ""; display: block; width: 50px; height: 3px; margin: 16px auto 0;
      background: var(--brand); border-radius: 2px;
    }
    .brand-copy h2::after {
      content: ""; display: block; width: 50px; height: 3px; margin: 16px 0 0;
      background: var(--brand); border-radius: 2px;
    }
    .sec-head p { color: var(--muted); margin: 0; font-size: 16px; position: relative; z-index: 1; }

    /* ---------- Concerns ---------- */
    .concern-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .concern {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
      padding: 18px 20px; font-size: 15px; color: var(--ink); display: flex; gap: 10px; align-items: center;
      transition: .2s;
    }
    .concern:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-2px); }
    .concern .q { width: 26px; height: 26px; flex: none; border-radius: 50%; background: var(--brand-light); color: var(--brand); display: grid; place-items: center; font-weight: 900; }

    /* ---------- Brand / Regulation ---------- */
    .brand-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
    .brand-copy h2 { font-size: 28px; margin: 0 0 14px; }
    .brand-copy p { color: var(--muted); margin: 0 0 16px; }
    .reg-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
    .reg-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
    .reg-list .ic { width: 22px; height: 22px; flex: none; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 900; margin-top: 2px; }
    .reg-card { background: linear-gradient(160deg, #fff, #f3f9ff); border: 1px solid var(--line); border-radius: 18px; padding: 28px; box-shadow: var(--shadow); text-align: center; }
    .reg-card .reg-img { width: 100%; height: auto; border-radius: 14px; display: block; }
    .reg-card .img-tip { margin: 14px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

    /* ---------- Services ---------- */
    .svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .svc {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
      padding: 24px; transition: .2s; position: relative; overflow: hidden;
    }
    .svc:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-3px); }
    .svc .ic {
      width: 46px; height: 46px; border-radius: 12px; background: var(--brand-light);
      display: grid; place-items: center; margin-bottom: 14px;
    }
    .svc h3 { margin: 0 0 8px; font-size: 18px; }
    .svc p { margin: 0; color: var(--muted); font-size: 14px; }
    .svc .more { display: inline-block; margin-top: 12px; color: var(--brand); font-weight: 700; font-size: 14px; }

    /* ---------- Comparison ---------- */
    .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .cmp-col { border-radius: 16px; overflow: hidden; border: 1px solid var(--line); }
    .cmp-col .top { padding: 16px 20px; font-weight: 800; font-size: 17px; text-align: center; }
    .cmp-bad .top { background: #fdecea; color: var(--bad); }
    .cmp-good .top { background: var(--brand); color: #fff; }
    .cmp-col ul { list-style: none; margin: 0; padding: 8px 20px 20px; }
    .cmp-col li { padding: 11px 0; border-bottom: 1px dashed var(--line); font-size: 14px; display: flex; gap: 10px; align-items: flex-start; }
    .cmp-bad li { color: #8a4a40; }
    .cmp-good li { color: var(--ink); }
    .cmp-bad .x { color: var(--bad); font-weight: 900; }
    .cmp-good .v { color: var(--ok); font-weight: 900; }

    /* ---------- Open flow ---------- */
    .flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
    .step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; position: relative; }
    .step .n {
      width: 38px; height: 38px; border-radius: 50%; background: var(--brand); color: #fff;
      display: grid; place-items: center; font-weight: 900; font-size: 17px; margin-bottom: 12px;
    }
    .step h3 { margin: 0 0 6px; font-size: 17px; }
    .step p { margin: 0; font-size: 14px; color: var(--muted); }

    /* ---------- FAQ ---------- */
    .faq { max-width: 860px; margin: 0 auto; }
    .faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px; padding: 4px 18px; }
    .faq details[open] { border-color: var(--brand); }
    .faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
    .faq summary::-webkit-details-marker { display: none; }
    .faq summary .pm { color: var(--brand); font-size: 22px; flex: none; transition: .2s; }
    .faq details[open] summary .pm { transform: rotate(45deg); }
    .faq details p { margin: 0 0 16px; color: var(--muted); font-size: 15px; }

    /* ---------- 底部 CTA（通栏深色大横幅，底部与 footer 同色收尾） ---------- */
    .cta-block { position: relative; }
    .cta-inner {
      position: relative; overflow: hidden; color: #fff;
      background: linear-gradient(180deg, #0170c1 0%, #0d4d86 52%, #0f2740 100%);
      padding: 92px 0 98px;
    }
    .cta-inner::before {
      content: ""; position: absolute; width: 560px; height: 560px; border-radius: 50%;
      background: radial-gradient(circle, rgba(255,255,255,.13), rgba(255,255,255,0) 65%);
      top: -210px; right: -150px;
    }
    .cta-inner::after {
      content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
      background: radial-gradient(circle, rgba(255,255,255,.09), rgba(255,255,255,0) 65%);
      bottom: -170px; left: -130px;
    }
    .cta-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
    .cta-text { text-align: left; }
    .cta-label {
      display: inline-block; padding: 5px 16px; margin-bottom: 18px;
      background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
      color: rgba(255,255,255,.9); font-size: 13px; font-weight: 600; border-radius: 999px;
    }
    .cta-title { margin: 0 0 16px; font-size: 40px; font-weight: 800; line-height: 1.2; color: #fff; letter-spacing: 1px; }
    .cta-desc { margin: 0 0 34px; font-size: 16.5px; color: rgba(255,255,255,.82); max-width: 48ch; line-height: 1.75; }
    .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
    .cta-actions .btn.big { min-width: 220px; justify-content: center; padding: 16px 36px; font-size: 16px; }
    .cta-actions .btn.ghost-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.6); }
    .cta-actions .btn.ghost-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }
    .cta-perks { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .cta-perk {
      display: flex; align-items: flex-start; gap: 14px; padding: 20px 18px;
      background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16);
      border-radius: 16px; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
      transition: background .2s, transform .2s;
    }
    .cta-perk:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }
    .cta-perk-icon {
      flex: none; display: inline-flex; align-items: center; justify-content: center;
      width: 52px; height: 52px; border-radius: 14px;
      background: rgba(255,255,255,.94); border: 1px solid rgba(255,255,255,.55);
    }
    .cta-perk-icon img { width: 34px; height: 34px; object-fit: contain; }
    .cta-perk-info { display: flex; flex-direction: column; gap: 3px; }
    .cta-perk-info strong { font-size: 16px; font-weight: 800; color: #fff; }
    .cta-perk-info strong em { font-style: normal; font-weight: 900; color: #fff; }
    .cta-perk-info span { font-size: 13px; color: rgba(255,255,255,.72); line-height: 1.45; }
    @media (max-width: 768px) {
      .cta-inner { padding: 60px 0 64px; }
      .cta-grid { grid-template-columns: 1fr; gap: 34px; }
      .cta-text { text-align: center; }
      .cta-desc { margin-left: auto; margin-right: auto; }
      .cta-actions { justify-content: center; }
      .cta-title { font-size: 30px; }
      .cta-perks { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 480px) {
      .cta-actions { flex-direction: column; align-items: center; }
      .cta-actions .btn.big { width: 100%; max-width: 320px; }
      .cta-perks { grid-template-columns: 1fr; }
      .cta-title { font-size: 27px; }
    }

    /* ---------- Footer ---------- */
    footer.site { background: #000; color: #b9c7d6; padding: 46px 0 26px; font-size: 13px; }
    footer.site a { color: #b9c7d6; }
    footer.site a:hover { color: #fff; }
    .foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 26px; }
    footer.site h4 { color: #fff; font-size: 15px; margin: 0 0 14px; }
    footer.site ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
    .foot-bottom { border-top: 1px solid #20405f; margin-top: 30px; padding-top: 18px; color: #8499ad; font-size: 12px; line-height: 1.9; }
    .risk { background: #0a1d30; border: 1px solid #20405f; border-radius: 10px; padding: 14px 16px; margin-top: 18px; color: #9fb1c4; font-size: 12px; line-height: 1.8; }

    /* ---------- 新增模块（参考 doubaogeo.com 的模块类型，已按领峰环球主题重构） ---------- */
    /* 行业方案（选项卡式布局，参考 doubaogeo industries 模块） */
    #industry .kicker { display: inline-block; font-size: 13px; letter-spacing: 2px; color: var(--brand); background: var(--brand-light); border: 1px solid rgba(34,131,218,.25); padding: 4px 16px; border-radius: 999px; }
    .ind-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 36px; }
    .ind-tabs .tab { font: inherit; font-size: 14px; font-weight: 700; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 10px 26px; cursor: pointer; transition: .2s; }
    .ind-tabs .tab:hover { border-color: var(--brand); color: var(--brand); }
    .ind-tabs .tab.active { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(34,131,218,.3); }
    .ind-panel { display: none; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
    .ind-panel.active { display: grid; grid-template-columns: 1fr 1.1fr; animation: indFadeUp .45s ease; }
    @keyframes indFadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
    .ind-panel .info { padding: 44px 40px; }
    .ind-panel .info h3 { margin: 0; font-size: 24px; color: var(--ink); }
    .ind-panel .info .slogan { color: var(--brand); font-weight: 700; font-size: 15px; margin: 8px 0 16px; }
    .ind-panel .info p { margin: 0 0 14px; font-size: 14px; color: var(--muted); line-height: 1.75; }
    .ind-panel .info ul { list-style: none; padding: 0; margin: 0; }
    .ind-panel .info li { position: relative; padding-left: 24px; font-size: 14px; color: var(--ink); margin: 12px 0; }
    .ind-panel .info li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--ok); font-weight: 900; }
    .ind-panel .visual { position: relative; min-height: 400px; overflow: hidden; background: linear-gradient(140deg, #dcebf7, #eaf3fb 55%, #f6fafe); }
    .ind-panel .visual .vimg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .ind-panel .visual .vtag { position: relative; z-index: 1; display: inline-block; background: var(--brand); color: #fff; padding: 10px 28px; border-radius: 999px; font-size: 14px; font-weight: 700; text-decoration: none; box-shadow: 0 8px 20px rgba(15,66,116,.35); transition: .2s; }
    .ind-panel .visual .vtag:hover { transform: translateY(-2px); background: #1b6cb5; }

    /* 适用场景 / 交易人群 */
    .scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .scene { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: .2s; }
    .scene:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-3px); }
    .scene .ic { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-light); display: grid; place-items: center; margin-bottom: 14px; }
    .scene h3 { margin: 0 0 8px; font-size: 18px; }
    .scene p { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
    .scene .tag { display: inline-block; font-size: 12px; font-weight: 800; color: var(--brand); background: var(--brand-light); padding: 3px 10px; border-radius: 999px; }

    /* 客户案例 / 成果展示 */
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .case { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: .2s; display: flex; flex-direction: column; }
    .case:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-3px); }
    .case .metric { display: flex; gap: 16px; margin-bottom: 14px; }
    .case .metric .m { flex: 1; }
    .case .metric .m .v { font-size: 22px; font-weight: 900; color: var(--brand); line-height: 1.15; }
    .case .metric .m .k { font-size: 12px; color: var(--muted); }
    .case h3 { margin: 0 0 8px; font-size: 17px; }
    .case p { margin: 0 0 14px; color: var(--muted); font-size: 14px; flex: 1; }
    .case .who { font-size: 13px; color: var(--ink); font-weight: 700; border-top: 1px dashed var(--line); padding-top: 12px; }

    /* 开户账户方案（3 种） */
    .plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
    .plan { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px; display: flex; flex-direction: column; transition: .2s; position: relative; }
    .plan:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-3px); }
    .plan.feature { border: 2px solid var(--brand); box-shadow: var(--shadow); }
    .plan .ribbon { position: absolute; top: 16px; right: 16px; background: var(--gold); color: #5a3d00; font-size: 12px; font-weight: 800; padding: 4px 10px; border-radius: 999px; }
    .plan h3 { margin: 0 0 6px; font-size: 20px; }
    .plan .sub { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
    .plan .price { font-size: 14px; color: var(--ink); margin: 0 0 14px; }
    .plan .price b { color: var(--brand); font-size: 22px; }
    .plan ul { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 10px; flex: 1; }
    .plan li { font-size: 14px; display: flex; gap: 8px; align-items: flex-start; }
    .plan li .v { color: var(--ok); font-weight: 900; }
    .plan .btn { width: 100%; margin-top: auto; }

    /* ---------- Floating + backtop ---------- */
    .fab {
      position: fixed; right: 18px; bottom: 84px; z-index: 60;
      background: var(--brand); color: #fff; font-weight: 800; padding: 13px 20px;
      border-radius: 999px; box-shadow: var(--shadow); display: none;
    }
    .backtop {
      position: fixed; right: 18px; bottom: 96px; z-index: 60;
      width: 46px; height: 46px; border-radius: 50%; background: #fff; color: var(--brand);
      border: 1px solid var(--line); box-shadow: var(--shadow); display: grid; place-items: center;
      font-size: 20px; cursor: pointer; opacity: 0; pointer-events: none; transition: .2s;
    }
    .backtop.show { opacity: 1; pointer-events: auto; }

    /* ---------- Responsive ---------- */
    @media (max-width: 980px) {
      .hero-grid, .brand-grid, .compare { grid-template-columns: 1fr; }
      .concern-grid, .svc-grid, .flow, .foot-grid { grid-template-columns: repeat(2, 1fr); }
      .cert-grid, .scene-grid, .case-grid, .plan-grid { grid-template-columns: repeat(2, 1fr); }
      .ind-panel.active { grid-template-columns: 1fr; }
      .ind-panel .info { padding: 30px 26px; }
      .ind-panel .visual { min-height: 0; aspect-ratio: 16 / 10; }
      .stats { grid-template-columns: repeat(2, 1fr); }
      .nav-links { display: none; }
      .hero h1 { font-size: 32px; }
    }
    @media (max-width: 560px) {
      .concern-grid, .svc-grid, .flow, .foot-grid { grid-template-columns: 1fr; }
      .cert-grid, .scene-grid, .case-grid, .plan-grid { grid-template-columns: 1fr; }
      .hero h1 { font-size: 27px; }
      .fab { display: inline-flex; }
      .sec-head h2, .brand-copy h2 { font-size: 22px; }
      .sec-head h2::before, .brand-copy h2::before { font-size: 32px; letter-spacing: 1px; }
    }
    /* ============================================================
       以下三个悬浮组件 100% 复刻自 lingfenghuanqiu.cn 原站
       float-buttons / fixed-qrcode-box / m端 app-guide-container
       ============================================================ */
    .float-buttons {
      position: fixed; bottom: 0; left: 0; width: 100%;
      background-color: rgba(0, 87, 177, 0.2);
      padding: 15px 0;
      display: flex; justify-content: center; align-items: center; gap: 60px;
      box-sizing: border-box; z-index: 999; pointer-events: auto; box-shadow: none;
    }
    .float-btn {
      flex: 0 0 auto; display: inline-block; padding: 12px 30px;
      background-color: #2283da; color: #fff; text-decoration: none;
      border-radius: 4px; font-size: 20px; font-weight: 500; letter-spacing: normal;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); min-width: 300px; text-align: center;
      position: relative; z-index: 1; height: auto; filter: none;
    }
    .float-btn:hover { background-color: #1b6cc0; transform: translateY(-2px); color: #fff; text-decoration: none; filter: none; }

    .fixed-qrcode-box {
      position: fixed; right: 20px; top: 50%; transform: translateY(-50%);
      width: 180px; background: #fff; border-radius: 8px; padding: 12px; text-align: center; z-index: 99;
      box-shadow: 0 6px 22px rgba(10, 37, 64, 0.14);
    }
    .fixed-qrcode-box .qrcode-title { background: #0170c1; color: #fff; padding: 6px 0; border-radius: 4px; margin-bottom: 10px; font-weight: bold; font-size: 14px; }
    .fixed-qrcode-box .qrcode-item { margin-bottom: 12px; }
    .fixed-qrcode-box .qrcode-item img { width: 160px; height: 100%; }
    .fixed-qrcode-box .qrcode-item p { margin: 4px 0; color: #333; font-size: 13px; }

    .app-guide-container {
      display: none; position: fixed; bottom: 0; left: 0; width: 100%; z-index: 1001;
      align-items: center; gap: 10px; padding: 10px 34px 10px 12px; box-sizing: border-box;
      background: #fff; box-shadow: 0 2px 10px rgba(10, 37, 64, 0.12);
    }
    .app-guide-container .close-btn {
      position: absolute; top: 50%; left: 10px; transform: translateY(-50%);
      width: 18px; height: 18px; flex: 0 0 auto; display: inline-flex;
      align-items: center; justify-content: center; color: #9aa7b4; font-size: 18px; line-height: 1;
      background: none; border: none; cursor: pointer; padding: 0;
    }
    .app-guide-container .app-logo { flex: 0 0 44px; width: 44px; height: 44px; object-fit: contain; border-radius: 10px; box-shadow: 0 2px 8px rgba(10, 37, 64, 0.15); }
    .app-guide-container .guide-content { flex: 1 1 auto; min-width: 0; line-height: 1.35; }
    .app-guide-container .guide-content p { margin: 0; }
    .app-guide-container .guide-content p:first-child { font-size: 15px; font-weight: 800; color: #0a2540; }
    .app-guide-container .guide-content p:first-child span { margin-left: 6px; padding: 1px 8px; border-radius: 4px; background: #e8f2fc; color: #2283da; font-size: 12px; font-weight: 700; vertical-align: 1px; }
    .app-guide-container .guide-content p:last-child { font-size: 12.5px; color: #7d8b99; margin-top: 2px; }
    .app-guide-container .download-btn {
      flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center;
      min-width: 88px; height: 36px; padding: 0 16px; border-radius: 18px; color: #fff;
      font-size: 14.5px; font-weight: 700; text-decoration: none; background-color: #2283da;
      box-shadow: 0 3px 10px rgba(34, 131, 218, 0.35);
    }

    @media (max-width: 768px) {
      .float-buttons { display: none !important; }
      .fixed-qrcode-box { display: none !important; }
      .app-guide-container { display: flex; }
      body.app-guide-closed .app-guide-container { display: none !important; }