:root{--ink:#20231f;--muted:#62675f;--paper:#fffdf5;--yellow:#f2c900;--lime:#dfff54;--line:#dedbc9;--green:#345b38;--white:#fff;--max:1180px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:90px}
    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{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,245,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav-row{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;white-space:nowrap}
    .brand-mark{width:32px;height:32px;display:grid;place-items:center;background:var(--yellow);border:1px solid var(--ink);font-size:17px}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:wrap}
    .nav-links a{font-size:12px;color:#44483f;padding:7px 9px;border-radius:4px}
    .nav-links a:hover,.nav-links a:focus-visible{background:#f2edda}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border:1px solid var(--ink);background:var(--yellow);color:var(--ink);font-weight:750;border-radius:3px;transition:transform .2s,box-shadow .2s,background .2s}
    .nav-cta{padding:9px 14px;white-space:nowrap}
    .button:hover,.nav-cta:hover{transform:translateY(-2px);box-shadow:4px 4px 0 var(--ink)}
    .button.dark{background:var(--ink);color:#fff}
    .button.light{background:transparent}
    .menu-toggle{display:none;border:1px solid var(--ink);background:transparent;width:42px;height:42px;font-size:20px}
    .hero{position:relative;overflow:hidden;background:var(--yellow);border-bottom:1px solid var(--ink)}
    .hero:after{content:"";position:absolute;right:8%;top:14%;width:180px;height:180px;border:1px solid rgba(32,35,31,.25);transform:rotate(45deg);pointer-events:none}
    .hero-inner{position:relative;z-index:1;padding:72px 0 54px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(240px,.6fr);gap:44px;align-items:center}
    .eyebrow{margin:0 0 14px;font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase}
    h1{max-width:720px;margin:0;font-size:clamp(42px,6vw,76px);line-height:1.05;letter-spacing:0}
    .hero-copy{max-width:650px;margin:22px 0 26px;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{margin:14px 0 0;font-size:13px}
    .hero-panel{position:relative;max-width:340px;padding:22px;border:1px solid var(--ink);background:var(--paper);box-shadow:8px 8px 0 var(--ink);animation:rise .7s ease both}
    .hero-panel strong{display:block;font-size:19px}
    .hero-panel p{margin:8px 0 16px;color:var(--muted);font-size:14px}
    .model-tags{display:flex;flex-wrap:wrap;gap:7px}
    .model-tags span{padding:5px 8px;border:1px solid var(--line);background:#fff;font-size:12px}
    .ticker{border-bottom:1px solid var(--ink);background:#fff;padding:13px 0}
    .ticker-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:13px}
    .ticker-label{font-weight:800}
    .ticker-item{color:var(--muted)}
    main{overflow:hidden}
    .section{padding:68px 0;border-bottom:1px solid var(--line)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{margin:0;font-size:clamp(27px,4vw,42px);line-height:1.18;letter-spacing:0}
    .section-head p{max-width:520px;margin:0;color:var(--muted)}
    .kicker{display:block;margin-bottom:9px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:1px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:start}
    .intro-copy{font-size:18px;max-width:680px}
    .intro-copy p{margin:0 0 16px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--ink);border-left:1px solid var(--ink)}
    .stat{padding:19px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);background:#fff}
    .stat b{display:block;font-size:23px}
    .stat span{color:var(--muted);font-size:13px}
    .service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .service{padding:20px;background:#fff;border:1px solid var(--line);transition:transform .2s,border-color .2s}
    .service:hover{transform:translateY(-3px);border-color:var(--ink)}
    .service .num{color:var(--green);font-size:12px;font-weight:800}
    .service h3{margin:8px 0;font-size:19px}
    .service p{margin:0;color:var(--muted);font-size:14px}
    .service-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px 18px;padding:0;list-style:none}
    .service-list li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
    .service-list strong{display:block}
    .service-list span{color:var(--muted);font-size:12px}
    .split-band{display:grid;grid-template-columns:.75fr 1.25fr;gap:40px;align-items:start}
    .steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{counter-increment:step;padding:20px 18px;border-top:2px solid var(--ink);background:#fff}
    .step:before{content:"0" counter(step);display:block;margin-bottom:18px;color:var(--green);font-size:12px;font-weight:800}
    .step h3{margin:0 0 8px;font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .industry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
    .industry{padding:18px 16px;background:var(--lime);border:1px solid var(--ink)}
    .industry b{display:block;font-size:17px}
    .industry span{font-size:13px}
    .network{display:flex;flex-wrap:wrap;gap:8px}
    .network span{padding:9px 12px;border:1px solid var(--line);background:#fff;font-size:13px}
    .timeline{border-left:2px solid var(--yellow);padding-left:22px}
    .timeline p{position:relative;margin:0 0 20px}
    .timeline p:before{content:"";position:absolute;left:-29px;top:8px;width:10px;height:10px;border-radius:50%;background:var(--yellow);border:1px solid var(--ink)}
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .case{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center;padding:18px;background:#fff;border:1px solid var(--line)}
    .case h3{margin:0 0 8px}
    .case p{margin:0;color:var(--muted);font-size:14px}
    .media-frame{overflow:hidden;aspect-ratio:16/10;background:#eee}
    .media-frame img{width:100%;height:100%;object-fit:cover}
    .rating-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;align-items:start}
    .rating-box{padding:25px;background:var(--yellow);border:1px solid var(--ink)}
    .rating-box .score{font-size:56px;font-weight:850;line-height:1}
    .stars{color:#20231f;font-size:23px;letter-spacing:2px}
    .rating-box p{margin:10px 0 0}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:640px}
    th,td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);font-size:13px}
    th{background:#f4f0df}
    tr:last-child td{border-bottom:0}
    td:first-child{font-weight:750}
    .rating-foot{margin:12px 0 0;color:var(--muted);font-size:12px}
    .match-band{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center;background:var(--green);color:#fff;padding:30px}
    .match-band h2{margin:0;font-size:32px;line-height:1.2}
    .match-band p{margin:10px 0 0;color:#e0e9dd}
    .match-band .button{background:var(--yellow);color:var(--ink)}
    .price-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
    .price-copy p{color:var(--muted)}
    .price-lines{border-top:1px solid var(--ink)}
    .price-line{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid var(--line)}
    .price-line span:last-child{color:var(--green);font-weight:750}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .review{padding:20px;background:#fff;border:1px solid var(--line)}
    .review p{margin:0 0 18px;font-size:14px}
    .review b{display:block;font-size:13px}
    .review span{color:var(--muted);font-size:12px}
    .faq-list{border-top:1px solid var(--ink)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{position:relative;padding:17px 38px 17px 0;cursor:pointer;font-weight:750;list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:4px;top:12px;font-size:22px;font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{max-width:850px;margin:0;padding:0 25px 18px 0;color:var(--muted);font-size:14px}
    .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .article{display:block;padding:18px;background:#fff;border:1px solid var(--line);transition:transform .2s}
    .article:hover{transform:translateY(-3px)}
    .article small{color:var(--green);font-weight:750}
    .article h3{margin:10px 0 0;font-size:17px}
    .article-arrow{display:block;margin-top:12px;font-size:13px}
    .article-image{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .article-image .media-frame{aspect-ratio:16/9}
    .form-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:start}
    .contact-copy p{color:var(--muted)}
    .contact-list{padding:0;list-style:none}
    .contact-list li{padding:10px 0;border-bottom:1px solid var(--line)}
    .contact-list strong{display:inline-block;min-width:94px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:6px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;font-weight:700}
    .field input,.field select,.field textarea{width:100%;padding:12px;border:1px solid #bcb9ab;border-radius:2px;background:#fff;color:var(--ink)}
    .field textarea{min-height:120px;resize:vertical}
    .form-grid .button{justify-self:start}
    .join-band{padding:30px;background:#e9eddf;display:flex;justify-content:space-between;align-items:center;gap:24px}
    .join-band h2{margin:0;font-size:26px}
    .join-band p{margin:5px 0 0;color:var(--muted)}
    .site-footer{background:#f0eddf;color:var(--ink);padding:28px 0}
    .footer-top{display:flex;justify-content:space-between;gap:24px;align-items:start}
    .footer-top p{margin:5px 0;color:var(--muted);font-size:13px}
    .friend-links{display:flex;gap:8px 14px;flex-wrap:wrap;justify-content:flex-end;font-size:13px}
    .friend-links a{text-decoration:underline;text-underline-offset:3px}
    .copyright{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:#55594f}
    .floating{position:fixed;right:18px;bottom:20px;z-index:15;display:grid;gap:8px}
    .floating a{display:grid;place-items:center;width:48px;height:48px;background:var(--yellow);border:1px solid var(--ink);box-shadow:3px 3px 0 var(--ink);font-weight:800;font-size:12px}
    .floating a:hover{transform:translateY(-2px)}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.visible{opacity:1;transform:none}
    @keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
    @media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}
    @media(max-width:1000px){
      .nav-links{display:none;position:absolute;left:0;right:0;top:72px;padding:12px 20px 18px;background:var(--paper);border-bottom:1px solid var(--line);justify-content:flex-start}
      .nav-links.open{display:flex}
      .menu-toggle{display:block}
      .nav-cta{margin-left:auto}
      .service-grid{grid-template-columns:repeat(2,1fr)}
      .service-list{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:700px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .nav-row{min-height:64px;gap:10px}
      .brand{font-size:16px}
      .brand-mark{width:29px;height:29px}
      .nav-links{top:64px;max-height:70vh;overflow:auto;display:none;flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:9px}
      .nav-cta{font-size:12px;padding:8px 10px}
      .hero-inner{padding:52px 0 38px;grid-template-columns:1fr;gap:28px}
      .hero:after{right:-70px;top:34%;width:130px;height:130px}
      .hero-panel{max-width:100%;margin-right:9px}
      .section{padding:48px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .intro-grid,.split-band,.rating-layout,.price-layout,.form-wrap{grid-template-columns:1fr;gap:24px}
      .service-grid{grid-template-columns:1fr}
      .service-list{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:repeat(2,1fr);gap:10px}
      .industry-grid{grid-template-columns:repeat(2,1fr)}
      .case-grid{grid-template-columns:1fr}
      .case{grid-template-columns:1fr}
      .case .media-frame{order:-1}
      .reviews{grid-template-columns:1fr}
      .article-grid{grid-template-columns:1fr}
      .match-band{grid-template-columns:1fr;padding:24px}
      .match-band h2{font-size:27px}
      .form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .join-band,.footer-top{align-items:flex-start;flex-direction:column}
      .friend-links{justify-content:flex-start}
      .article-image{grid-template-columns:1fr}
      .floating{right:10px;bottom:12px}
    }