:root{--ink:#17251f;--muted:#53635c;--green:#16734d;--green-dark:#105438;--lime:#d9f36a;--mint:#e8f6ee;--paper:#f7f9f7;--line:#dce6df;--white:#fff;--coral:#ed765b;--max:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(247,249,247,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,230,223,.85)}
    .nav-row{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap}
    .brand img{display:block;width:42px;height:auto;max-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:9px 10px;color:#43534b;font-size:13px;transition:color .2s}
    .nav-links a:hover,.nav-links a:focus-visible{color:var(--green)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:5px;background:var(--green);color:#fff;font-weight:700;padding:12px 18px;transition:transform .2s,background .2s,box-shadow .2s}
    .nav-cta{white-space:nowrap;padding:10px 15px;font-size:13px}
    .nav-cta:hover,.button:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(16,84,56,.18)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:5px;padding:9px 12px}
    .hero{position:relative;overflow:hidden;background:#eaf5ed;border-bottom:1px solid #dcecdf}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 58%,rgba(217,243,106,.35) 58%,rgba(217,243,106,.35) 72%,transparent 72%);pointer-events:none}
    .hero-inner{position:relative;padding:74px 0 56px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:42px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.08;letter-spacing:0;margin:18px 0 18px;max-width:720px}
    .hero p{max-width:610px;margin:0;color:#45564d;font-size:17px}
    .hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:27px}
    .button-secondary{display:inline-flex;align-items:center;justify-content:center;padding:11px 17px;border:1px solid #afc8b6;border-radius:5px;color:var(--green-dark);font-weight:700;background:rgba(255,255,255,.58);transition:background .2s,transform .2s}
    .button-secondary:hover{background:#fff;transform:translateY(-2px)}
    .hero-note{font-size:12px;color:#63736a;margin-top:14px}
    .hero-panel{border-left:1px solid #c8ddcd;padding:8px 0 8px 28px}
    .hero-panel strong{display:block;font-size:14px;margin-bottom:16px}
    .platform-list{display:flex;flex-wrap:wrap;gap:8px}
    .platform-list span{padding:7px 10px;border:1px solid #cbded0;background:rgba(255,255,255,.55);border-radius:3px;font-size:12px;color:#3b5145}
    .hero-panel .panel-foot{font-size:12px;color:#617269;margin-top:16px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:#fff}
    .stat{padding:23px 20px;border-right:1px solid var(--line)}
    .stat:last-child{border-right:0}
    .stat strong{display:block;font-size:17px}
    .stat span{font-size:12px;color:var(--muted)}
    main{overflow:hidden}
    .section{padding:76px 0}
    .section-tint{background:#edf4ee;border-top:1px solid #e1ebe3;border-bottom:1px solid #e1ebe3}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}
    .section-head h2{font-size:32px;line-height:1.2;letter-spacing:0;margin:9px 0 0}
    .section-head p{max-width:520px;margin:0;color:var(--muted);font-size:14px}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
    .intro-copy{font-size:15px;color:#43534b}
    .intro-copy p{margin:0 0 14px}
    .capability-list{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;border-top:1px solid var(--line)}
    .capability-list div{padding:14px 0;border-bottom:1px solid var(--line)}
    .capability-list strong{display:block;font-size:14px}
    .capability-list span{font-size:12px;color:var(--muted)}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d7e3da;border:1px solid #d7e3da}
    .service{padding:23px;background:#fff;transition:background .2s,transform .2s}
    .service:hover{position:relative;background:#fafff5;transform:translateY(-3px);z-index:1}
    .service .number{font-size:11px;font-weight:800;color:var(--green)}
    .service h3{font-size:17px;margin:8px 0}
    .service p{font-size:13px;color:var(--muted);margin:0}
    .tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}
    .tagline span{font-size:12px;padding:6px 10px;background:#e4f1e8;color:#28563e;border-radius:3px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
    .step{position:relative;padding:18px 0 0;border-top:2px solid #a9c7b1}
    .step:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--green);font-size:13px;font-weight:800;margin-bottom:12px}
    .step h3{font-size:16px;margin:0 0 7px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .solution{padding:0 0 18px;border-bottom:1px solid #b8cdbd}
    .solution h3{margin:0 0 8px;font-size:17px}
    .solution p{margin:0;color:var(--muted);font-size:13px}
    .solution .solution-index{font-size:11px;font-weight:800;color:#b35d47;margin-bottom:9px}
    .compare-wrap{display:grid;grid-template-columns:270px 1fr;gap:34px;align-items:start}
    .score{background:var(--green-dark);color:#fff;padding:25px;border-radius:4px}
    .score .stars{color:var(--lime);letter-spacing:2px;font-size:20px}
    .score strong{display:block;font-size:48px;line-height:1.1;margin:12px 0 3px}
    .score p{font-size:13px;color:#e1efe5;margin:0}
    .score small{display:block;margin-top:18px;color:#c5ddcb}
    .table-scroll{overflow-x:auto;border:1px solid var(--line);background:#fff}
    table{border-collapse:collapse;width:100%;min-width:610px;text-align:left}
    th,td{padding:13px 15px;border-bottom:1px solid #e5ece7;font-size:13px;vertical-align:top}
    th{background:#f0f5f1;color:#30483a;font-size:12px}
    tr:last-child td{border-bottom:0}
    td:first-child{font-weight:700;width:28%}
    .yes{color:#176b48;font-weight:700}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:0 28px}
    .review{padding:19px 0;border-top:1px solid #bdcec1}
    .review blockquote{margin:0;color:#34473b;font-size:14px}
    .review footer{margin-top:13px;color:#6a7a70;font-size:12px}
    .review footer strong{color:#263b2e}
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .case{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(150px,.9fr);gap:18px;align-items:center;padding:16px 0;border-top:1px solid #bdcec1}
    .case h3{margin:0 0 7px;font-size:17px}
    .case p{font-size:13px;color:var(--muted);margin:0}
    .case .media{overflow:hidden;background:#dce9dd;aspect-ratio:16/9}
    .case .media img{display:block;width:100%;height:100%;object-fit:cover}
    .article-links{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .article-links a{padding:14px 12px;background:#fff;border-top:2px solid #a6c5ad;font-size:13px;font-weight:700;transition:transform .2s,background .2s}
    .article-links a:hover{transform:translateY(-3px);background:#f2faef}
    .article-links span{display:block;font-size:11px;font-weight:500;color:var(--muted);margin-top:7px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{cursor:pointer;list-style:none;padding:17px 35px 17px 0;font-weight:700;font-size:14px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;top:12px;font-size:22px;color:var(--green);font-weight:400}
    details[open] summary:after{content:"−"}
    details p{margin:0;padding:0 35px 17px 0;color:var(--muted);font-size:13px}
    .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
    .contact-copy p{color:var(--muted);font-size:14px}
    .contact-lines{display:grid;gap:10px;margin-top:22px}
    .contact-lines div{padding:11px 0;border-bottom:1px solid var(--line);font-size:13px}
    .contact-lines strong{display:inline-block;min-width:95px}
    .qr-row{display:flex;align-items:center;gap:16px;margin-top:18px}
    .qr-row img{width:112px;height:112px;object-fit:cover;border:1px solid var(--line);padding:5px;background:#fff}
    .qr-row span{font-size:12px;color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .field{display:grid;gap:6px}
    .field-full{grid-column:1/-1}
    .field label{font-size:12px;font-weight:700}
    .field input,.field select,.field textarea{width:100%;border:1px solid #cbd8ce;border-radius:3px;background:#fff;padding:11px 12px;color:var(--ink);outline:none}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(22,115,77,.1)}
    .field textarea{min-height:112px;resize:vertical}
    .form-note{font-size:11px;color:#6a7a70;margin:10px 0 15px}
    .footer{background:#e7eee8;border-top:1px solid #d4e0d7;color:#25372d;padding:26px 0}
    .footer-main{display:flex;align-items:flex-start;justify-content:space-between;gap:28px}
    .footer-brand{font-weight:800}
    .footer p{margin:5px 0 0;color:#53645a;font-size:12px}
    .footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:flex-end}
    .footer-links a{font-size:12px;color:#345143}
    .copyright{margin-top:17px;padding-top:13px;border-top:1px solid #d0ddd3;color:#617168;font-size:11px}
    .float-help{position:fixed;right:18px;bottom:22px;z-index:15;display:grid;gap:8px}
    .float-help a{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--green);color:white;font-weight:800;box-shadow:0 5px 18px rgba(16,84,56,.2);transition:transform .2s}
    .float-help a:hover{transform:translateY(-3px)}
    .to-top{display:none!important}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.is-visible{opacity:1;transform:translateY(0)}
    @media(max-width:900px){
      .nav-row{gap:12px}.nav-links{gap:0}.nav-links a{padding-inline:7px;font-size:12px}
      .nav-cta{display:none}.hero-inner{grid-template-columns:1fr 300px;gap:25px}
      .service-grid{grid-template-columns:repeat(2,1fr)}.article-links{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:720px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .nav-row{min-height:64px}.brand img{width:36px}
      .menu-toggle{display:inline-flex;align-items:center;gap:7px}
      .nav-links{display:none;position:absolute;left:0;right:0;top:64px;background:var(--paper);padding:12px 16px 16px;border-bottom:1px solid var(--line);box-shadow:0 10px 20px rgba(23,37,31,.08);justify-content:flex-start}
      .nav-links.is-open{display:grid;grid-template-columns:repeat(3,1fr)}
      .nav-links a{padding:10px;font-size:13px}
      .hero-inner{padding:54px 0 38px;grid-template-columns:1fr;gap:26px}
      h1{font-size:42px}
      .hero-panel{border-left:0;border-top:1px solid #c8ddcd;padding:17px 0 0}
      .stats{grid-template-columns:repeat(2,1fr)}
      .stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:56px 0}
      .section-head{display:block;margin-bottom:23px}.section-head h2{font-size:28px}.section-head p{margin-top:12px}
      .intro-grid,.compare-wrap,.contact-grid{grid-template-columns:1fr;gap:26px}
      .workflow{grid-template-columns:repeat(2,1fr);gap:22px}
      .solution-grid{grid-template-columns:repeat(2,1fr);gap:22px}
      .reviews{grid-template-columns:repeat(2,1fr);gap:0 18px}
      .case-grid{grid-template-columns:1fr}
      .article-links{grid-template-columns:repeat(2,1fr)}
      .footer-main{display:block}.footer-links{justify-content:flex-start;margin-top:15px}
    }
    @media(max-width:460px){
      .hero-inner{padding-top:44px}h1{font-size:36px}
      .hero p{font-size:15px}.service-grid{grid-template-columns:1fr}
      .workflow,.solution-grid,.reviews{grid-template-columns:1fr}
      .case{grid-template-columns:1fr}.case .media{max-width:100%}
      .form-grid{grid-template-columns:1fr}.field-full{grid-column:auto}
      .article-links{grid-template-columns:1fr 1fr}
      .float-help{right:12px;bottom:14px}.float-help a{width:42px;height:42px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}
    }