:root{--ink:#172c32;--muted:#596b70;--paper:#fbfaf6;--white:#fff;--line:#e1e6df;--green:#087f72;--green-dark:#075e57;--coral:#ef775d;--yellow:#f2c85b;--blue:#3b7885;--soft-green:#e7f2ed;--soft-coral:#fbede7;--shadow:0 14px 34px rgba(24,57,53,.08);--container:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:86px}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    img{max-width:100%;height:auto}
    .container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.95);border-bottom:1px solid rgba(23,44,50,.1);backdrop-filter:blur(12px)}
    .nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:800;font-size:18px}
    .brand img{width:38px;height:38px;object-fit:contain}
    .nav-links{display:flex;align-items:center;gap:0;min-width:0}
    .nav-links a{padding:10px 9px;color:#34494d;font-size:13px;white-space:nowrap}
    .nav-links a:hover{color:var(--green)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border:1px solid transparent;border-radius:4px;background:var(--green);color:#fff;font-weight:700;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
    .button:hover{background:var(--green-dark);box-shadow:0 8px 18px rgba(8,127,114,.2);transform:translateY(-2px)}
    .button-outline{background:transparent;border-color:#9bb8ae;color:var(--green-dark)}
    .button-outline:hover{background:var(--soft-green);box-shadow:none}
    .menu-toggle{display:none;width:42px;height:42px;background:transparent;border:1px solid var(--line);border-radius:4px;color:var(--ink);font-size:20px;cursor:pointer}
    main{overflow:hidden}
    .hero{position:relative;padding:78px 0 56px;background:linear-gradient(118deg,#e8f2ea 0%,#f8f5e9 53%,#fde8df 100%);border-bottom:1px solid #e5e5d9}
    .hero:before{content:"";position:absolute;inset:0 0 auto;height:6px;background:linear-gradient(90deg,var(--green) 0 38%,var(--yellow) 38% 64%,var(--coral) 64%)}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(270px,.7fr);gap:52px;align-items:center}
    .eyebrow{margin:0 0 16px;color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:1px}
    h1{max-width:680px;margin:0;font-size:clamp(36px,5vw,60px);line-height:1.13;letter-spacing:0}
    .hero-copy{max-width:650px;margin:20px 0 26px;color:#45595c;font-size:17px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-note{margin:14px 0 0;color:#52676b;font-size:13px}
    .hero-panel{padding:26px 26px 24px;border-left:4px solid var(--coral);background:rgba(255,255,255,.78)}
    .hero-panel h2{margin:0 0 8px;font-size:19px}
    .hero-panel p{margin:0;color:var(--muted);font-size:14px}
    .hero-stat{display:flex;align-items:baseline;gap:9px;margin-top:19px;padding-top:15px;border-top:1px solid var(--line)}
    .hero-stat strong{color:var(--green-dark);font-size:25px}
    .hero-stat span{color:var(--muted);font-size:13px}
    .hero-ribbon{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px}
    .ribbon-item{padding:8px 13px;border:1px solid rgba(8,127,114,.23);background:rgba(255,255,255,.55);color:#34565a;font-size:13px}
    .section{padding:68px 0}
    .section-tint{background:#f1f5ef}
    .section-white{background:#fff}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
    .section-head h2{margin:0;font-size:30px;line-height:1.25}
    .section-head p{max-width:540px;margin:0;color:var(--muted);font-size:14px}
    .kicker{margin:0 0 9px;color:var(--coral);font-size:12px;font-weight:800;letter-spacing:1px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
    .intro-copy{font-size:16px;color:#43575b}
    .intro-copy p{margin:0 0 15px}
    .feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}
    .feature-list div{padding:14px 0;border-bottom:1px solid var(--line)}
    .feature-list strong{display:block;margin-bottom:3px;font-size:14px}
    .feature-list span{color:var(--muted);font-size:13px}
    .metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-block:1px solid var(--line)}
    .metric{padding:22px 18px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--green-dark);font-size:22px}
    .metric span{color:var(--muted);font-size:13px}
    .service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .service{min-height:166px;padding:18px;border:1px solid var(--line);background:#fff;transition:transform .2s,box-shadow .2s,border-color .2s}
    .service:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9dc8bb}
    .service-mark{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;margin-bottom:12px;background:var(--soft-green);color:var(--green-dark);font-size:14px;font-weight:800}
    .service h3{margin:0 0 6px;font-size:16px}
    .service p{margin:0;color:var(--muted);font-size:13px}
    .platforms{display:flex;flex-wrap:wrap;gap:8px}
    .platforms span{padding:7px 11px;background:#fff;border:1px solid var(--line);color:#354a4d;font-size:13px}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
    .step{position:relative;padding:0 22px 0 0}
    .step:not(:last-child):after{content:"";position:absolute;top:16px;left:43px;right:12px;border-top:1px solid #a9beb7}
    .step-number{position:relative;z-index:1;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;font-size:13px;font-weight:700}
    .step h3{margin:13px 0 5px;font-size:16px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .industry-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:42px;align-items:start}
    .industry-copy h2{margin:0 0 14px;font-size:30px}
    .industry-copy p{margin:0 0 20px;color:var(--muted)}
    .industry-tags{display:flex;flex-wrap:wrap;gap:9px}
    .industry-tags span{padding:8px 12px;background:#e4eee7;color:#36574f;font-size:13px}
    .network{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .network-item{padding:17px 16px;border-top:3px solid var(--yellow);background:#fff}
    .network-item h3{margin:0 0 5px;font-size:15px}
    .network-item p{margin:0;color:var(--muted);font-size:13px}
    .media-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .media-card{margin:0;background:#fff;border:1px solid var(--line)}
    .media-card .image-wrap{padding:10px;background:#f2f1e9}
    .media-card img{display:block;width:100%;height:auto;aspect-ratio:16/7;object-fit:contain}
    .media-card figcaption{padding:12px 15px;color:#44585a;font-size:13px}
    .review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .review{padding:19px;border-top:3px solid var(--green);background:#fff}
    .review p{margin:0 0 14px;color:#415457;font-size:14px}
    .review cite{color:var(--muted);font-size:12px;font-style:normal}
    .rating-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-bottom:24px;padding:22px 25px;background:#e8f1ea}
    .rating-panel h3{margin:0;font-size:20px}
    .rating-score{display:flex;align-items:center;gap:16px}
    .rating-score strong{font-size:42px;color:var(--green-dark);line-height:1}
    .stars{color:#b77918;letter-spacing:2px;font-size:20px}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:700px;text-align:left}
    th,td{padding:13px 15px;border-bottom:1px solid var(--line);font-size:13px}
    th{background:#edf3ee;color:#233e40}
    tr:last-child td{border-bottom:0}
    td:last-child{color:var(--green-dark);font-weight:700}
    .price-note{margin:12px 0 0;color:var(--muted);font-size:12px}
    .case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .case{padding:19px 0;border-top:3px solid var(--coral)}
    .case .case-type{color:#a44e3c;font-size:12px;font-weight:700}
    .case h3{margin:7px 0;font-size:17px}
    .case p{margin:0;color:var(--muted);font-size:13px}
    .article-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
    .article-list a{min-height:80px;padding:14px;border:1px solid var(--line);background:#fff;font-size:13px;transition:border-color .2s,transform .2s}
    .article-list a:hover{transform:translateY(-3px);border-color:var(--green)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}
    details{border-bottom:1px solid var(--line)}
    summary{position:relative;padding:16px 28px 16px 0;cursor:pointer;list-style:none;font-weight:700;font-size:14px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:3px;top:13px;color:var(--green);font-size:21px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{margin:0 0 16px;color:var(--muted);font-size:13px}
    .contact-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:46px;align-items:start}
    .contact-copy h2{margin:0 0 12px;font-size:30px}
    .contact-copy p{color:var(--muted)}
    .contact-list{padding:0;margin:20px 0 0;list-style:none}
    .contact-list li{padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
    .contact-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:6px}
    .field-wide{grid-column:1/-1}
    label{font-size:13px;font-weight:700}
    input,select,textarea{width:100%;padding:11px 12px;border:1px solid #ccd6cf;border-radius:3px;background:#fff;color:var(--ink);outline:none}
    input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(8,127,114,.1)}
    textarea{min-height:112px;resize:vertical}
    .form-foot{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .form-foot small{color:var(--muted)}
    .qr{width:112px;margin-top:14px;border:1px solid var(--line);padding:5px;background:#fff}
    .footer{background:#e8eee8;color:#233a3c;border-top:1px solid #d3ded5}
    .footer-main{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;padding:25px 0}
    .footer-brand{font-weight:800}
    .footer p{margin:5px 0;color:#516365;font-size:12px}
    .footer-links{display:flex;flex-wrap:wrap;gap:7px 16px;max-width:620px}
    .footer-links a{color:#315d57;font-size:12px}
    .footer-bottom{padding:12px 0;border-top:1px solid #d3ded5;color:#566769;font-size:12px}
    .float-contact{position:fixed;right:18px;bottom:20px;z-index:15;display:flex;flex-direction:column;gap:8px}
    .float-contact a,.top-button{display:grid;place-items:center;width:46px;height:46px;border:1px solid #b9c9c0;background:#fff;color:var(--green-dark);box-shadow:0 5px 16px rgba(23,44,50,.12);font-size:12px;font-weight:700}
    .top-button{display:none;cursor:pointer}
    .float-contact a:hover,.top-button:hover{background:var(--green);color:#fff}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.is-visible{opacity:1;transform:translateY(0)}
    @media(max-width:1020px){
      .nav-links a{padding-inline:6px;font-size:12px}
      .nav-actions .button{padding-inline:12px;font-size:13px}
      .service-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
      .article-list{grid-template-columns:repeat(3,minmax(0,1fr))}
    }
    @media(max-width:780px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav{min-height:64px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:64px;left:0;right:0;padding:9px 16px 14px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 18px rgba(23,44,50,.08);flex-wrap:wrap}
      .nav-links.is-open{display:flex}
      .nav-links a{padding:9px 11px;font-size:13px}
      .nav-actions .button{display:none}
      .hero{padding:55px 0 40px}
      .hero-grid,.intro-grid,.industry-layout,.contact-grid{grid-template-columns:1fr;gap:28px}
      .hero-grid{gap:30px}
      .hero-panel{max-width:480px}
      .section{padding:52px 0}
      .section-head{align-items:flex-start;flex-direction:column;gap:10px}
      .section-head h2,.industry-copy h2,.contact-copy h2{font-size:26px}
      .metrics{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{grid-template-columns:repeat(2,minmax(0,1fr))}
      .workflow{grid-template-columns:1fr 1fr;gap:24px}
      .step:nth-child(2):after{display:none}
      .network{grid-template-columns:1fr 1fr}
      .review-grid{grid-template-columns:1fr 1fr}
      .case-grid{grid-template-columns:1fr 1fr}
      .faq-grid{grid-template-columns:1fr}
      .footer-main{flex-direction:column}
    }
    @media(max-width:520px){
      .brand{font-size:16px}
      .brand img{width:34px;height:34px}
      .hero-copy{font-size:15px}
      .hero-actions .button{width:100%}
      .feature-list,.service-grid,.network,.review-grid,.case-grid,.media-grid{grid-template-columns:1fr}
      .workflow{grid-template-columns:1fr}
      .step{padding-bottom:4px}
      .step:after{display:none}
      .article-list{grid-template-columns:1fr 1fr}
      .rating-panel{align-items:flex-start;flex-direction:column;gap:13px}
      .rating-score strong{font-size:36px}
      .contact-form{grid-template-columns:1fr}
      .field-wide,.form-foot{grid-column:auto}
      .float-contact{right:10px;bottom:12px}
      .float-contact a,.top-button{width:42px;height:42px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}
      .reveal{opacity:1;transform:none}
    }