:root{
    --ink:#0E2A3A;          /* 墨青 · 正文与标题 */
    --ink-soft:#4E6E80;     /* 雾蓝 · 次级文字 */
    --mist:#F7FBFC;         /* 云白 · 页面底色 */
    --paper:#FFFFFF;        /* 纯白 · 卡片 */
    --aqua:#0FB5A6;         /* 青碧 · AI主色 */
    --azure:#2F7BFF;        /* 湛蓝 · AI辅色 */
    --line:#DCEAEE;         /* 浅线 */
    --grad:linear-gradient(120deg,#0FB5A6 0%,#2F7BFF 100%);
    --radius:18px;
    --maxw:1120px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    background:var(--mist);color:var(--ink);
    line-height:1.75;font-size:16px;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  ::selection{background:rgba(15,181,166,.25)}
  a{color:inherit;text-decoration:none}
  .en{font-family:"Avenir Next","Segoe UI",system-ui,sans-serif;letter-spacing:.14em}

  /* ---------- 导航 ---------- */
  nav{
    position:fixed;top:0;left:0;right:0;z-index:50;
    backdrop-filter:blur(14px);
    background:rgba(247,251,252,.78);
    border-bottom:1px solid rgba(220,234,238,.7);
  }
  .nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:84px;display:flex;align-items:center;justify-content:space-between}
  .logo{display:flex;align-items:center}
  .logo img{display:block;height:54px;width:auto;max-width:210px;object-fit:contain}
  .nav-links{display:flex;gap:26px;font-size:14.5px;color:var(--ink-soft)}
  .nav-links a{position:relative;padding:4px 0;transition:color .25s}
  .nav-links a:hover,.nav-links a:focus-visible{color:var(--ink)}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad);border-radius:2px;transition:width .25s}
  .nav-links a:hover::after{width:100%}
  .nav-cta{font-size:13.5px;padding:8px 18px;border-radius:99px;background:var(--ink);color:#fff;transition:transform .2s,box-shadow .2s}
  .nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(14,42,58,.25)}
  @media(max-width:760px){.nav-links{display:none}}

  /* ---------- 瀑布数据流（贯穿全页的签名元素） ---------- */
  .stream{
    display:none;
  }
  @media(max-width:900px){.stream{left:28px}}
  .drop{
    position:absolute;left:-3px;width:8px;height:8px;border-radius:50%;
    background:var(--grad);opacity:0;
    box-shadow:0 0 10px rgba(47,123,255,.55);
    animation:fall linear infinite;
  }
  @keyframes fall{
    0%{transform:translateY(-4vh);opacity:0}
    8%{opacity:.9}
    88%{opacity:.9}
    100%{transform:translateY(104vh);opacity:0}
  }

  /* ---------- Hero ---------- */
  header.hero{
    position:relative;min-height:100vh;
    display:flex;align-items:center;justify-content:center;text-align:center;
    padding:120px 24px 80px;overflow:hidden;
  }
  #neural{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.55}
  .hero-glow{
    position:absolute;width:640px;height:640px;border-radius:50%;z-index:0;
    background:radial-gradient(circle,rgba(15,181,166,.16) 0%,rgba(47,123,255,.10) 45%,transparent 70%);
    top:50%;left:50%;transform:translate(-50%,-52%);
    filter:blur(6px);
  }
  .hero-inner{position:relative;z-index:2;max-width:820px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;color:var(--ink-soft);letter-spacing:.28em;
    padding:7px 16px;border:1px solid var(--line);border-radius:99px;background:rgba(255,255,255,.7);
    margin-bottom:28px;
  }
  .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--aqua);animation:pulse 2.4s ease infinite}
  @keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(15,181,166,.5)}50%{box-shadow:0 0 0 7px rgba(15,181,166,0)}}
  h1{
    font-size:clamp(34px,5.6vw,62px);font-weight:700;line-height:1.28;letter-spacing:.02em;
  }
  h1 .grad{
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-sub{margin:26px auto 0;max-width:560px;font-size:17px;color:var(--ink-soft)}
  .hero-btns{margin-top:44px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
  .btn{
    padding:13px 32px;border-radius:99px;font-size:15px;transition:transform .2s,box-shadow .2s;
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(15,181,166,.30)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(47,123,255,.35)}
  .btn-ghost{border:1.5px solid var(--line);background:rgba(255,255,255,.7);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--aqua);color:var(--aqua)}
  .scroll-hint{
    position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:2;
    font-size:11px;letter-spacing:.3em;color:var(--ink-soft);
    display:flex;align-items:center;justify-content:center;pointer-events:none;
  }
  .scroll-hint::after{
    display:none;
  }
  @keyframes hint{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

  /* ---------- 通用 Section ---------- */
  main{position:relative}
  section{position:relative;z-index:1;padding:110px 24px}
  .wrap{max-width:var(--maxw);margin:0 auto}
  .sec-head{text-align:center;margin-bottom:64px}
  .sec-tag{
    display:inline-block;font-size:12px;letter-spacing:.32em;color:var(--aqua);
    margin-bottom:14px;font-weight:600;
  }
  .sec-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:700;letter-spacing:.03em}
  .sec-head p{margin-top:16px;color:var(--ink-soft);max-width:640px;margin-left:auto;margin-right:auto}

  /* 滚动进场 */
  .reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}

  /* ---------- 关于 ---------- */
  .about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
  @media(max-width:860px){.about-grid{grid-template-columns:1fr}}
  .about-text p{color:var(--ink-soft);margin-bottom:18px}
  .about-text strong{color:var(--ink)}
  .stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .stat{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
    padding:28px 24px;transition:transform .3s,box-shadow .3s;
  }
  .stat:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(14,42,58,.08)}
  .stat b{font-size:34px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-soft)}
  .answer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:54px}
  .answer{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
    padding:30px 26px;transition:transform .3s,box-shadow .3s;
  }
  .answer:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(14,42,58,.08)}
  .answer span{font-size:12px;letter-spacing:.24em;color:var(--aqua);font-weight:700}
  .answer h3{font-size:20px;margin:10px 0 10px}
  .answer p{font-size:14.5px;color:var(--ink-soft)}
  .value-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
  .value-list li{list-style:none;border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:rgba(255,255,255,.66);font-size:13.5px;color:var(--ink-soft)}
  .value-list b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:3px}
  @media(max-width:900px){.answer-grid{grid-template-columns:1fr}.value-list{grid-template-columns:1fr}}

  /* ---------- 产品 · 瀑布流卡片 ---------- */
  .product-groups{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
  .product-group{
    background:rgba(255,255,255,.55);border:1px solid var(--line);border-radius:22px;
    padding:28px;
  }
  .product-group h3{font-size:22px;margin-bottom:8px}
  .product-group>p{font-size:14px;color:var(--ink-soft);margin-bottom:22px}
  .product-stack{display:grid;gap:20px}
  @media(max-width:900px){.product-groups{grid-template-columns:1fr}}
  .masonry{columns:2;column-gap:28px}
  @media(max-width:820px){.masonry{columns:1}}
  .p-card{
    break-inside:avoid;margin-bottom:28px;
    background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
    padding:34px 30px;position:relative;overflow:hidden;
    transition:transform .35s,box-shadow .35s,border-color .35s;
  }
  .p-card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .45s;
  }
  .p-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(14,42,58,.10);border-color:transparent}
  .p-card:hover::before{transform:scaleX(1)}
  .p-icon{
    width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,rgba(15,181,166,.12),rgba(47,123,255,.12));
    font-size:24px;margin-bottom:20px;
  }
  .p-icon.logo-img{
    padding:0;background:none;overflow:hidden;border-radius:12px;
  }
  .p-icon.logo-img img{
    width:100%;height:100%;display:block;object-fit:cover;
  }
  .p-card h3{font-size:20px;margin-bottom:4px}
  .p-card .sub{font-size:13px;color:var(--ink-soft);margin-bottom:14px}
  .p-card p{font-size:14.5px;color:var(--ink-soft)}
  .p-head{display:flex;gap:16px;align-items:center;margin-bottom:18px}
  .p-head .p-icon{margin-bottom:0;flex:0 0 auto}
  .p-meta{display:grid;gap:12px;margin-top:18px}
  .p-meta div{border-top:1px solid var(--line);padding-top:12px;font-size:13.5px;color:var(--ink-soft)}
  .p-meta b{color:var(--ink);margin-right:6px}
  .mini-btn{display:inline-flex;margin-top:18px;padding:8px 16px;border-radius:99px;background:rgba(15,181,166,.09);border:1px solid rgba(15,181,166,.22);color:#0B8C81;font-size:13px;transition:background .25s,color .25s}
  .mini-btn:hover{background:var(--aqua);color:#fff}
  .tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
  .tag{
    font-size:12px;padding:4px 12px;border-radius:99px;
    background:rgba(15,181,166,.08);color:#0B8C81;border:1px solid rgba(15,181,166,.22);
  }
  .tag.ai{background:rgba(47,123,255,.08);color:#1F5FD6;border-color:rgba(47,123,255,.25)}

  /* ---------- 解决方案 ---------- */
  .sol-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
  @media(max-width:820px){.sol-grid{grid-template-columns:1fr}}
  .sol{
    border-radius:22px;padding:44px 38px;position:relative;overflow:hidden;color:#fff;
    min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;
    transition:transform .35s,box-shadow .35s;
  }
  .sol:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(14,42,58,.22)}
  .sol.marketing{background:linear-gradient(150deg,#0C8F84 0%,#0E2A3A 90%)}
  .sol.publish{background:linear-gradient(150deg,#2F6BDD 0%,#141E46 90%)}
  .sol::after{
    content:"";position:absolute;top:-70px;right:-70px;width:240px;height:240px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%);
  }
  .sol .sol-en{font-size:11px;letter-spacing:.3em;opacity:.7;margin-bottom:10px}
  .sol h3{font-size:24px;margin-bottom:14px}
  .sol p{font-size:14.5px;opacity:.86}
  .sol .chain{margin-top:20px;font-size:13px;opacity:.95;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .chain b{padding:4px 12px;border:1px solid rgba(255,255,255,.4);border-radius:99px;font-weight:500}
  .chain i{font-style:normal;opacity:.6}
  .solution-card{
    background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:32px 30px;
    transition:transform .3s,box-shadow .3s,border-color .3s;
  }
  .solution-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(14,42,58,.09);border-color:rgba(15,181,166,.25)}
  .solution-card .sol-tag{font-size:12px;letter-spacing:.22em;color:var(--aqua);font-weight:700}
  .solution-card h3{font-size:22px;margin:10px 0 14px}
  .solution-flow{display:grid;gap:11px}
  .solution-flow p{font-size:14px;color:var(--ink-soft)}
  .solution-flow b{color:var(--ink)}
  .solution-products{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

  /* ---------- 发展历程 ---------- */
  .timeline-shell{position:relative}
  .timeline-hint{margin-top:-36px;margin-bottom:20px;text-align:right;font-size:12.5px;color:var(--ink-soft)}
  .timeline-scroller{
    position:relative;overflow-x:auto;overflow-y:hidden;cursor:grab;
    padding:16px 0 24px;scrollbar-width:thin;scrollbar-color:rgba(15,181,166,.42) transparent;
    user-select:none;-webkit-overflow-scrolling:touch;
  }
  .timeline-scroller::-webkit-scrollbar{height:8px}
  .timeline-scroller::-webkit-scrollbar-track{background:transparent}
  .timeline-scroller::-webkit-scrollbar-thumb{background:rgba(15,181,166,.32);border-radius:99px}
  .timeline-scroller.dragging{cursor:grabbing}
  .timeline-track{
    position:relative;display:grid;grid-template-columns:repeat(8,270px);gap:28px;
    min-width:2360px;padding:118px 20px 120px;
  }
  .timeline-curve{
    position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;
    overflow:visible;
  }
  .timeline-curve path{fill:none;stroke:rgba(15,181,166,.24);stroke-width:2;stroke-linecap:round}
  .milestone{
    position:relative;z-index:1;min-height:190px;padding:0 8px;
    display:flex;align-items:flex-end;
  }
  .milestone:nth-child(even){align-items:flex-start}
  .milestone-card{
    position:relative;width:100%;min-height:156px;padding:4px 2px;
    transition:transform .28s;
  }
  .milestone-card:hover{transform:translateY(-4px)}
  .milestone .year{font-size:16px;font-weight:800;color:var(--azure);letter-spacing:.12em}
  .milestone h4{font-size:18px;margin:10px 0 8px;color:var(--ink);display:flex;align-items:center;gap:10px}
  .milestone h4::before{
    content:"";width:10px;height:10px;border-radius:50%;flex:0 0 auto;
    background:var(--mist);border:2px solid var(--aqua);
    box-shadow:0 0 0 4px rgba(15,181,166,.08);
  }
  .milestone p{font-size:14px;color:var(--ink-soft);line-height:1.75}
  @media(max-width:720px){
    .timeline-hint{text-align:left;margin-top:-28px}
    .timeline-track{grid-template-columns:repeat(8,250px);min-width:2210px;padding-left:12px;padding-right:12px}
  }

  /* ---------- 客户案例 ---------- */
  .case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
  @media(max-width:820px){.case-grid{grid-template-columns:1fr}}
  .case{
    background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
    padding:32px 30px;transition:transform .3s,box-shadow .3s;
  }
  .case:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(14,42,58,.09)}
  .case .c-ind{font-size:12px;letter-spacing:.2em;color:var(--aqua);font-weight:600}
  .case h4{font-size:18px;margin:10px 0 10px}
  .case p{font-size:14px;color:var(--ink-soft)}
  .case .c-tools{margin-top:16px;font-size:12.5px;color:var(--azure)}
  .case dl{display:grid;gap:10px;margin-top:16px}
  .case dt{font-size:12px;color:var(--azure);font-weight:700}
  .case dd{font-size:13.5px;color:var(--ink-soft)}
  .result-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
  .result-row span{padding:6px 10px;border-radius:10px;background:rgba(47,123,255,.08);color:#1F5FD6;font-size:12px}
  .client-wall{margin-top:56px}
  .client-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}
  .client-head h3{font-size:21px;font-weight:700;letter-spacing:.03em}
  .client-head p{max-width:460px;font-size:13.5px;color:var(--ink-soft);text-align:right}
  .client-logos{position:relative;min-height:370px}
  .client-logo{
    position:absolute;
    display:flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:14px;
    padding:18px 22px;overflow:hidden;
    width:260px;height:94px;
    box-shadow:0 10px 28px rgba(14,42,58,.06);
    transition:transform .28s,box-shadow .28s,border-color .28s,background .28s,z-index .28s;
  }
  .client-logo.lg{width:300px;height:104px}
  .client-logo.wide{width:340px;height:108px}
  .client-logo.sm{width:210px;height:86px}
  .client-logo:nth-child(1){left:0;top:0;z-index:4}
  .client-logo:nth-child(2){left:260px;top:0;z-index:5}
  .client-logo:nth-child(3){left:540px;top:0;z-index:3}
  .client-logo:nth-child(4){left:860px;top:0;z-index:6}
  .client-logo:nth-child(5){left:44px;top:82px;z-index:7}
  .client-logo:nth-child(6){left:312px;top:82px;z-index:4}
  .client-logo:nth-child(7){left:620px;top:82px;z-index:8}
  .client-logo:nth-child(8){left:780px;top:82px;z-index:5}
  .client-logo:nth-child(9){left:0;top:168px;z-index:3}
  .client-logo:nth-child(10){left:250px;top:168px;z-index:7}
  .client-logo:nth-child(11){left:548px;top:168px;z-index:4}
  .client-logo:nth-child(12){left:738px;top:168px;z-index:6}
  .client-logo:hover{
    z-index:20;transform:translateY(-8px) scale(1.06);
    background:#fff;border-color:rgba(15,181,166,.40);
    box-shadow:0 22px 46px rgba(14,42,58,.14);
  }
  .client-logo img{
    display:block;max-width:100%;max-height:48px;object-fit:contain;
    transition:transform .28s ease,filter .28s ease;
  }
  .client-logo.lg img,.client-logo.wide img{max-height:54px}
  .client-logo:hover img{transform:scale(1.13);filter:saturate(1.08)}
  @media(max-width:900px){
    .client-logos{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;min-height:0}
    .client-logo:nth-child(n){left:auto;right:auto;top:auto}
    .client-logo,.client-logo.lg,.client-logo.wide,.client-logo.sm{
      position:relative;left:auto;right:auto;top:auto;width:auto;height:86px;
    }
    .client-logo.wide{grid-column:span 3}
    .client-logo.lg{grid-column:span 2}
    .client-logo,.client-logo.sm{grid-column:span 2}
  }
  @media(max-width:640px){
    .client-head{display:block}
    .client-head p{text-align:left;margin-top:8px}
    .client-logos{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;min-height:0}
    .client-logo:nth-child(n){left:auto;right:auto;top:auto}
    .client-logo,.client-logo.lg,.client-logo.wide,.client-logo.sm{
      position:relative;left:auto;right:auto;top:auto;width:auto;height:78px;
      grid-column:span 1;transform:none!important;
    }
    .client-logo{padding:16px}
    .client-logo img,.client-logo.lg img,.client-logo.wide img{max-height:40px}
    .client-logo:hover{transform:translateY(-4px) scale(1.03)!important}
  }
  .testimonials{
    position:relative;margin-top:56px;padding-top:18px;
  }
  .testimonials::before{
    content:"Evaluation";position:absolute;left:-6px;top:-22px;
    font-size:54px;font-weight:800;letter-spacing:.02em;
    color:rgba(14,42,58,.045);line-height:1;pointer-events:none;
  }
  .testimonials h3{
    position:relative;z-index:1;font-size:21px;font-weight:700;
    letter-spacing:.03em;margin-bottom:22px;
  }
  .testimonial-list{display:grid;gap:20px}
  .testimonial{
    position:relative;background:rgba(237,243,255,.86);
    padding:24px 32px 22px;border-right:8px solid rgba(47,123,255,.34);
    box-shadow:8px 8px 0 rgba(47,123,255,.24);
    overflow:hidden;
  }
  .testimonial:nth-child(2){width:86%;margin-left:18px}
  .testimonial:nth-child(3){width:92%;margin-left:30px}
  .testimonial::before{
    content:"“";position:absolute;left:18px;top:12px;
    font-size:42px;line-height:1;color:rgba(14,42,58,.16);
    font-family:Georgia,serif;font-weight:700;
  }
  .testimonial p{
    position:relative;z-index:1;font-size:16px;line-height:1.9;color:#111827;
    text-indent:2em;
  }
  .testimonial .quote-end{
    color:rgba(14,42,58,.20);font-size:30px;font-family:Georgia,serif;
    line-height:0;vertical-align:-.28em;margin-left:6px;
  }
  .testimonial footer{
    position:relative;z-index:1;text-align:right;margin-top:10px;padding:0;
    font-size:14px;color:#111827;
  }
  @media(max-width:760px){
    .testimonials::before{font-size:40px;top:-12px}
    .testimonial,.testimonial:nth-child(2),.testimonial:nth-child(3){
      width:100%;margin-left:0;padding:22px 20px 20px;box-shadow:6px 6px 0 rgba(47,123,255,.22);
    }
    .testimonial p{font-size:14.5px;line-height:1.85;text-indent:1.5em}
    .testimonial footer{font-size:13px}
  }
  .ecosystem-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
  .eco-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:30px}
  .eco-card h3{font-size:21px;margin-bottom:10px}
  .eco-card p{font-size:14px;color:var(--ink-soft);margin-bottom:18px}
  .eco-tags{display:flex;flex-wrap:wrap;gap:10px}
  .eco-tags span{padding:8px 13px;border-radius:99px;background:rgba(15,181,166,.08);border:1px solid rgba(15,181,166,.20);color:#0B8C81;font-size:13px}
  @media(max-width:900px){.ecosystem-grid{grid-template-columns:1fr}}
  .process-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:step}
  .step{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:24px 18px;position:relative;overflow:hidden}
  .step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:22px;font-weight:700;color:rgba(47,123,255,.22);margin-bottom:14px}
  .step h3{font-size:17px;margin-bottom:8px}
  .step p{font-size:13.5px;color:var(--ink-soft)}
  @media(max-width:980px){.process-grid{grid-template-columns:repeat(3,1fr)}}
  @media(max-width:640px){.process-grid{grid-template-columns:1fr}}
  .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
  .faq{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:24px}
  .faq h3{font-size:16px;margin-bottom:8px}
  .faq p{font-size:13.5px;color:var(--ink-soft)}
  @media(max-width:760px){.faq-grid{grid-template-columns:1fr}}
  .home-faq{
    margin-top:72px;
    background:linear-gradient(180deg,rgba(255,255,255,.74),rgba(255,255,255,.46));
    border:1px solid var(--line);
    border-radius:24px;
    padding:38px 42px 34px;
    box-shadow:0 18px 46px rgba(14,42,58,.06);
  }
  .home-faq-head{
    display:flex;align-items:end;justify-content:space-between;gap:28px;
    padding-bottom:20px;border-bottom:1px solid var(--line);
  }
  .home-faq-head .kicker{font-size:12px;letter-spacing:.28em;color:var(--aqua);font-weight:700}
  .home-faq-head h3{font-size:26px;line-height:1.35;margin-top:8px}
  .faq-more{
    flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
    color:#0B8C81;font-size:14px;border-bottom:1px solid rgba(15,181,166,.35);
    padding-bottom:4px;transition:color .25s,border-color .25s;
  }
  .faq-more:hover{color:var(--azure);border-color:rgba(47,123,255,.45)}
  .home-faq-list{display:grid;gap:0}
  .home-faq-item{
    display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;
    padding:24px 0;border-bottom:1px solid var(--line);
  }
  .home-faq-item:last-child{border-bottom:0;padding-bottom:0}
  .home-faq-item h4{font-size:18px;margin-bottom:8px}
  .home-faq-item p{font-size:14.5px;color:var(--ink-soft);max-width:780px}
  .home-faq-item span{
    width:30px;height:30px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    color:var(--aqua);border:1px solid rgba(15,181,166,.28);
    font-size:20px;line-height:1;transition:transform .25s,background .25s,color .25s;
  }
  .home-faq-item:hover span{transform:scale(1.08);background:var(--aqua);color:#fff}
  @media(max-width:720px){
    .home-faq{padding:28px 22px}
    .home-faq-head{display:block}
    .faq-more{margin-top:18px}
    .home-faq-item{grid-template-columns:1fr;gap:10px}
  }

  /* ---------- 联系 / 页脚 ---------- */
  .contact{
    background:linear-gradient(160deg,#0E2A3A 0%,#123B4F 60%,#0D4E5A 100%);
    color:#fff;border-radius:28px;max-width:var(--maxw);margin:0 auto;
    padding:72px 48px;text-align:center;position:relative;overflow:hidden;
  }
  .contact::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(circle at 80% 20%,rgba(15,181,166,.25),transparent 55%),
               radial-gradient(circle at 15% 85%,rgba(47,123,255,.22),transparent 55%);
  }
  .contact>*{position:relative}
  .contact h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px}
  .contact p{opacity:.8;max-width:620px;margin:0 auto 18px}
  .contact-lead{
    font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:.03em;
    margin:4px 0 34px;
  }
  .contact-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:980px;margin:0 auto;text-align:left}
  .contact-method{
    border:1px solid rgba(255,255,255,.24);border-radius:18px;
    padding:24px;background:rgba(255,255,255,.08);
    position:relative;overflow:hidden;
  }
  .contact-method::after{
    content:"";position:absolute;right:18px;bottom:12px;width:112px;height:112px;
    background-repeat:no-repeat;background-position:center;background-size:contain;
    opacity:.18;pointer-events:none;
  }
  .contact-email::after{
    background-image:url("data:image/svg+xml,%3Csvg width='112' height='112' viewBox='0 0 112 112' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='21' y='31' width='70' height='50' rx='7' stroke='%23FFFFFF' stroke-width='4'/%3E%3Cpath d='M25 36L56 59L87 36' stroke='%23FFFFFF' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M45 56L26 76M67 56L86 76' stroke='%23FFFFFF' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E");
  }
  .contact-wechat::after{
    background-image:url("data:image/svg+xml,%3Csvg width='112' height='112' viewBox='0 0 112 112' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M48 35C30 35 16 46 16 60C16 69 22 77 31 81L29 93L42 85C44 85 46 85 48 85C66 85 80 74 80 60C80 46 66 35 48 35Z' stroke='%23FFFFFF' stroke-width='4' stroke-linejoin='round'/%3E%3Cpath d='M64 55C80 55 92 64 92 76C92 83 87 90 79 93L81 103L70 97C68 97 66 97 64 97C51 97 40 91 37 82' stroke='%23FFFFFF' stroke-width='4' stroke-linejoin='round'/%3E%3Ccircle cx='38' cy='57' r='3' fill='%23FFFFFF'/%3E%3Ccircle cx='58' cy='57' r='3' fill='%23FFFFFF'/%3E%3C/svg%3E");
  }
  .contact-phone::after{
    background-image:url("data:image/svg+xml,%3Csvg width='112' height='112' viewBox='0 0 112 112' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='35' y='14' width='42' height='84' rx='10' stroke='%23FFFFFF' stroke-width='4'/%3E%3Cpath d='M48 25H64M51 87H61' stroke='%23FFFFFF' stroke-width='4' stroke-linecap='round'/%3E%3Cpath d='M42 34H70V78H42V34Z' stroke='%23FFFFFF' stroke-width='4'/%3E%3C/svg%3E");
  }
  .contact-method h3{font-size:15px;margin-bottom:14px;letter-spacing:.08em}
  .mails{display:flex;gap:12px;flex-wrap:wrap}
  .mail,.wechat-copy{
    padding:12px 28px;border-radius:99px;border:1.5px solid rgba(255,255,255,.35);
    font-size:14.5px;transition:background .25s,border-color .25s,color .25s;
    background:transparent;color:#fff;
  }
  .mail:hover,.wechat-copy:hover{background:rgba(255,255,255,.12);border-color:#fff}
  .wechat-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .wechat-id{
    font-size:18px;font-weight:700;letter-spacing:.04em;
    padding:8px 0;
  }
  .wechat-copy{cursor:pointer}
  .phone-img{display:block;height:24px;width:auto;max-width:100%;margin-top:9px}
  .copy-tip{display:block;margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.68);min-height:18px}
  .float-contact{
    position:fixed;right:10px;bottom:26px;z-index:80;
    width:58px;height:58px;color:#fff;
  }
  .float-tab{
    width:58px;height:58px;border-radius:50%;position:relative;flex:0 0 auto;
    background:linear-gradient(135deg,#5167d6,#315fd1);
    box-shadow:0 14px 34px rgba(14,42,58,.22);
    cursor:default;
  }
  .float-tab::before{
    content:"";position:absolute;left:14px;top:17px;width:30px;height:22px;
    background:#fff;border-radius:15px;
  }
  .float-tab::after{
    content:"";position:absolute;left:29px;top:35px;width:0;height:0;
    border-left:7px solid transparent;border-top:9px solid #fff;
  }
  .float-tab i,.float-tab i::before,.float-tab i::after{
    position:absolute;top:27px;width:5px;height:5px;border-radius:50%;background:#5167d6;content:"";
  }
  .float-tab i{left:24px;z-index:1}
  .float-tab i::before{left:-10px;top:0}
  .float-tab i::after{left:10px;top:0}
  .float-panel{
    position:absolute;right:70px;bottom:0;width:310px;max-width:calc(100vw - 92px);
    transform:translateX(12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s ease,transform .28s ease,visibility 0s linear .28s;
  }
  .float-contact:hover .float-panel,.float-contact:focus-within .float-panel{
    opacity:1;visibility:visible;transform:translateX(0);pointer-events:auto;
    transition:opacity .22s ease,transform .28s ease,visibility 0s;
  }
  .float-card{
    padding:20px;border-radius:18px;
    background:linear-gradient(160deg,#0E2A3A 0%,#123B4F 70%,#0D4E5A 100%);
    box-shadow:0 18px 42px rgba(14,42,58,.24);
    border:1px solid rgba(255,255,255,.18);
  }
  .float-card h3{font-size:16px;margin-bottom:14px}
  .float-item{padding:12px 0;border-top:1px solid rgba(255,255,255,.16)}
  .float-item:first-of-type{border-top:0;padding-top:0}
  .float-label{display:block;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.62);margin-bottom:6px}
  .float-mail{display:inline-flex;color:#fff;border-bottom:1px solid rgba(255,255,255,.35);font-size:14.5px}
  .float-wechat{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .float-wechat .wechat-id{font-size:15px;padding:0}
  .float-wechat .wechat-copy{padding:7px 13px;font-size:12px}
  .float-phone{height:20px;margin-top:0}
  @media(max-width:900px){
    .contact-methods{grid-template-columns:1fr;text-align:center}
    .mails,.wechat-row{justify-content:center}
    .phone-img{margin-left:auto;margin-right:auto}
  }
  @media(max-width:640px){
    .float-contact{right:10px;bottom:14px}
    .float-panel{right:0;bottom:70px;width:276px;max-width:calc(100vw - 20px)}
  }
  footer{padding:44px 24px 40px;text-align:center;font-size:12.5px;color:var(--ink-soft)}
  footer .footer-logo{display:flex;justify-content:center;margin-bottom:22px}
  footer .footer-logo img{display:block;width:min(240px,70vw);height:auto;object-fit:contain}
  footer .foot-nav{display:flex;gap:26px;justify-content:center;margin-bottom:18px;font-size:13.5px}
  footer .foot-nav a:hover{color:var(--aqua)}
  footer .beian{line-height:2}

  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    .reveal{opacity:1;transform:none}
    html{scroll-behavior:auto}
  }

/* Anchor offset for fixed navigation */
.section-anchor{display:block;height:0;scroll-margin-top:132px;visibility:hidden}