:root{
      --ink:#172033;
      --muted:#657087;
      --paper:#fffaf5;
      --white:#ffffff;
      --coral:#f4515b;
      --orange:#ff8b38;
      --yellow:#ffd166;
      --cyan:#0fb9b1;
      --blue:#4263eb;
      --line:#eadfd7;
      --soft:#fff0e9;
      --shadow:0 18px 45px rgba(58,35,31,.09);
      --container:min(1180px,calc(100% - 40px));
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:var(--container);margin:0 auto}
    .topbar{background:var(--ink);color:#fff;font-size:13px}
    .topbar-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .topbar a{color:#ffd166}
    header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:11px;flex-shrink:0;font-weight:800;font-size:20px}
    .brand img{width:42px;height:42px;object-fit:contain}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:wrap}
    .nav-links a{padding:10px 11px;font-size:13px;color:#354052;transition:color .2s,background .2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral);background:#fff0e9}
    .nav-cta{background:var(--coral);color:#fff!important;border-radius:4px;margin-left:8px;padding:11px 15px!important}
    .menu-btn{display:none;border:0;background:var(--ink);color:#fff;border-radius:4px;padding:9px 12px;font-size:18px}
    .hero{position:relative;overflow:hidden;background:#fff1e8;padding:90px 0 70px}
    .hero:before,.hero:after{content:"";position:absolute;pointer-events:none}
    .hero:before{width:310px;height:310px;right:-90px;top:-90px;background:var(--yellow);border-radius:50%}
    .hero:after{width:150px;height:150px;left:-55px;bottom:-55px;background:var(--cyan);transform:rotate(28deg)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:55px;align-items:center}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--coral);font-weight:800;letter-spacing:1px;font-size:13px}
    .eyebrow:before,.section-kicker:before{content:"";width:26px;height:3px;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(40px,6vw,74px);line-height:1.08;letter-spacing:0;margin:18px 0 22px;max-width:650px}
    .hero-copy{font-size:19px;color:#4f596b;max-width:630px}
    .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:4px;padding:13px 21px;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(29,35,52,.15)}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
    .hero-note{display:flex;flex-wrap:wrap;gap:18px;margin-top:25px;color:#687284;font-size:14px}
    .hero-note strong{color:var(--ink)}
    .hero-panel{background:var(--ink);color:#fff;padding:25px;border-radius:4px;box-shadow:var(--shadow);position:relative}
    .hero-panel h2{font-size:22px;margin-bottom:7px}
    .hero-panel p{color:#c7cfdd;font-size:14px}
    .mini-metrics{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:25px;background:#475066}
    .mini-metrics div{background:var(--ink);padding:17px}
    .mini-metrics strong{display:block;color:var(--yellow);font-size:26px;line-height:1.1}
    .mini-metrics span{font-size:12px;color:#c7cfdd}
    .ticker{background:var(--coral);color:#fff;padding:12px 0;overflow:hidden}
    .ticker-inner{display:flex;justify-content:space-between;gap:18px;font-size:14px}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:36px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.15;margin:12px 0 0}
    .section-head p{max-width:540px;color:var(--muted);margin-bottom:0}
    .about{background:#fff}
    .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
    .lead{font-size:22px;line-height:1.55;font-weight:700}
    .about-text p{color:var(--muted)}
    .feature-list{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:25px}
    .feature-list div{border-left:4px solid var(--yellow);padding:13px 15px;background:#fffaf5;font-weight:700}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric{padding:25px 18px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:34px;color:var(--coral);line-height:1.1}
    .metric span{font-size:14px;color:var(--muted)}
    .services{background:#f7eee7}
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .service-card{background:#fff;padding:23px;border:1px solid var(--line);min-height:205px;transition:transform .25s,box-shadow .25s}
    .service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .service-card:nth-child(3n){border-top:4px solid var(--cyan)}
    .service-card:nth-child(3n+1){border-top:4px solid var(--coral)}
    .service-card:nth-child(3n+2){border-top:4px solid var(--yellow)}
    .service-card h3{font-size:19px;margin:0 0 9px}
    .service-card p{font-size:14px;color:var(--muted);margin:0}
    .service-tag{display:inline-block;font-size:11px;color:var(--blue);background:#edf0ff;padding:3px 8px;margin-bottom:13px}
    .production{background:#172033;color:#fff}
    .production .section-head p,.production .section-kicker{color:#c6d0df}
    .production .section-kicker:before{background:var(--yellow)}
    .process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid #526078}
    .step{padding:26px 18px 10px;border-right:1px solid #526078;position:relative}
    .step:last-child{border-right:0}
    .step-num{color:var(--yellow);font-size:14px;font-weight:800}
    .step h3{font-size:18px;margin:15px 0 7px}
    .step p{font-size:13px;color:#b9c3d2;margin:0}
    .solutions{background:#fff}
    .solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .solution{padding:25px;background:#fff5ed;border-left:5px solid var(--orange)}
    .solution:nth-child(2n){background:#edfafa;border-left-color:var(--cyan)}
    .solution h3{margin-bottom:9px}
    .solution p{font-size:14px;color:var(--muted);margin-bottom:0}
    .network{background:#fff1e8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;max-width:950px}
    .tag-cloud span{padding:9px 14px;border:1px solid #e4c9bb;background:#fff;color:#374154;font-size:14px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:35px}
    .timeline div{padding:20px;background:#fff;border-top:3px solid var(--cyan)}
    .timeline strong{display:block;color:var(--coral);margin-bottom:7px}
    .cases{background:#fff}
    .case-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .case-card{border:1px solid var(--line);background:#fff}
    .case-card:first-child{grid-row:span 2}
    .case-image{background:#f4e3d9;padding:14px;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
    .case-image img{width:100%;height:100%;object-fit:contain}
    .case-body{padding:20px}
    .case-body h3{margin-bottom:7px}
    .case-body p{color:var(--muted);font-size:14px;margin-bottom:0}
    .review{background:#fff8f2}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-card{background:#fff;padding:23px;border:1px solid var(--line)}
    .stars{color:#f2a900;letter-spacing:2px}
    .review-card blockquote{margin:13px 0;color:#4f596b;font-size:15px}
    .review-card cite{font-style:normal;font-weight:700;font-size:14px}
    .compare{background:#f7eee7}
    .score-box{display:flex;align-items:center;gap:28px;background:var(--ink);color:#fff;padding:25px;margin-bottom:25px}
    .score{font-size:44px;color:var(--yellow);font-weight:800;line-height:1}
    .score-box p{margin:0;color:#d4dbe6}
    .table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;min-width:720px}
    th,td{text-align:left;padding:15px 17px;border-bottom:1px solid var(--line);font-size:14px}
    th{background:#fff0e9;color:var(--ink)}
    td:first-child{font-weight:700}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:25px}
    .price-card{background:#fff;border:1px solid var(--line);padding:22px}
    .price-card h3{margin-bottom:8px}
    .price-card p{color:var(--muted);font-size:14px;margin:0}
    .match{background:#fff}
    .form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
    .contact-points{display:grid;gap:12px;margin-top:25px}
    .contact-points div{padding:14px 16px;background:#fff5ed;border-left:4px solid var(--coral)}
    form{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:#fffaf5;padding:26px;border:1px solid var(--line)}
    label{font-size:13px;font-weight:700}
    input,select,textarea{width:100%;margin-top:6px;border:1px solid #d9cec7;border-radius:3px;padding:12px 13px;background:#fff;color:var(--ink);font:inherit}
    textarea{min-height:125px;resize:vertical}
    .field-full{grid-column:1 / -1}
    form .btn{cursor:pointer}
    .faq{background:#fff1e8}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    details{background:#fff;border:1px solid var(--line);padding:17px 19px}
    summary{cursor:pointer;font-weight:700;padding-right:20px}
    details p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .knowledge{background:#fff}
    .article-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .article-card{border:1px solid var(--line);padding:18px;background:#fffaf5}
    .article-card span{color:var(--coral);font-size:12px}
    .article-card h3{font-size:16px;margin:9px 0}
    .article-card p{font-size:13px;color:var(--muted);margin:0}
    .join{background:#ffd166}
    .join-grid{display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px}
    .join h2{font-size:36px;margin-bottom:8px}
    .join p{margin:0;color:#4d3a20}
    footer{background:#172033;color:#dce3ee;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:30px}
    footer h3{color:#fff;font-size:17px;margin-bottom:15px}
    footer p,footer li{font-size:13px;color:#aeb9ca}
    footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    footer a:hover{color:var(--yellow)}
    .qr{width:110px;background:#fff;padding:5px}
    .footer-bottom{border-top:1px solid #374359;margin-top:35px;padding-top:20px;font-size:12px;color:#8996aa;display:flex;justify-content:space-between;gap:15px}
    .float-contact{position:fixed;right:18px;bottom:22px;z-index:15;background:var(--coral);color:#fff;padding:12px 16px;border-radius:4px;box-shadow:0 8px 24px rgba(244,81,91,.35);font-weight:700}
    .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s,transform .65s}
    .reveal.visible{opacity:1;transform:none}
    @media(max-width:1050px){
      .nav-links a{padding:9px 7px;font-size:12px}
      .service-grid{grid-template-columns:repeat(3,1fr)}
      .article-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:760px){
      :root{--container:calc(100% - 28px)}
      .topbar-inner{justify-content:center;text-align:center}
      .topbar-inner span{display:none}
      .nav-shell{min-height:64px}
      .menu-btn{display:block}
      .nav-links{display:none;position:absolute;left:0;right:0;top:64px;background:#fffaf5;border-bottom:1px solid var(--line);padding:8px 14px;box-shadow:0 14px 25px rgba(23,32,51,.09)}
      .nav-links.open{display:grid;grid-template-columns:repeat(2,1fr)}
      .nav-links a{padding:11px 9px;border-bottom:1px solid #f1e6df}
      .nav-cta{margin-left:0;text-align:center}
      .hero{padding:63px 0 54px}
      .hero-grid,.about-grid,.form-layout,.join-grid{grid-template-columns:1fr}
      h1{font-size:44px}
      .hero-panel{max-width:520px}
      section{padding:60px 0}
      .section-head{display:block}
      .section-head p{margin-top:16px}
      .metric-strip{grid-template-columns:1fr 1fr}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .service-grid,.solution-grid,.review-grid,.faq-list{grid-template-columns:1fr 1fr}
      .process{grid-template-columns:1fr 1fr}
      .step:nth-child(2n){border-right:0}
      .step{border-bottom:1px solid #526078}
      .case-grid{grid-template-columns:1fr 1fr}
      .case-card:first-child{grid-row:auto;grid-column:1 / -1}
      .price-grid{grid-template-columns:1fr}
      .article-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:480px){
      .hero-copy{font-size:17px}
      .feature-list,.service-grid,.solution-grid,.review-grid,.faq-list,.case-grid,.article-grid,.footer-grid{grid-template-columns:1fr}
      .process{grid-template-columns:1fr}
      .step{border-right:0}
      .metric strong{font-size:28px}
      .score-box{display:block}
      .score{margin-bottom:12px}
      form{grid-template-columns:1fr}
      .field-full{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
      .float-contact{right:12px;bottom:13px}
    }
    @media(prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*:before,*:after{animation:none!important;transition:none!important}
      .reveal{opacity:1;transform:none}
    }