:root{--ink:#25211e;--muted:#716a65;--paper:#fffaf5;--white:#fff;--orange:#f26322;--orange-dark:#c94410;--coral:#ff9a62;--line:#eadfd6;--soft:#fff0e6;--green:#2f6c58;--shadow:0 16px 42px rgba(87,47,25,.09);--width:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:90px}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}
    img{max-width:100%;height:auto}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}
    :focus-visible{outline:3px solid #ef8b4e;outline-offset:3px}
    .container{width:min(var(--width),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;z-index:20;top:0;background:rgba(255,250,245,.94);border-bottom:1px solid rgba(234,223,214,.85);backdrop-filter:blur(14px)}
    .nav-row{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;flex:none}
    .brand img{width:42px;height:auto;max-height:44px;object-fit:contain}
    .brand-name{font-size:17px;font-weight:800;letter-spacing:0}
    .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:#4d4640;transition:color .2s}
    .nav-links a:hover{color:var(--orange-dark)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:5px;background:var(--orange);color:#fff;font-weight:750;padding:12px 18px;transition:transform .2s,background .2s,box-shadow .2s;cursor:pointer}
    .nav-cta{padding:10px 15px;font-size:13px;flex:none}
    .nav-cta:hover,.button:hover{background:var(--orange-dark);box-shadow:0 8px 20px rgba(201,68,16,.19);transform:translateY(-2px)}
    .button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
    .button.secondary:hover{border-color:var(--orange);color:var(--orange-dark)}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:5px;color:var(--ink);font-size:20px}
    .hero{position:relative;overflow:hidden;background:#fff3e9;border-bottom:1px solid #f1dfd1}
    .hero:before{content:"";position:absolute;inset:0 auto 0 0;width:7px;background:var(--orange)}
    .hero-inner{padding-top:68px;padding-bottom:56px;position:relative}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:52px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:670px;margin:18px 0 17px;font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:0}
    .hero-copy{max-width:620px;font-size:17px;color:#5f5650;margin-bottom:25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{font-size:12px;color:var(--muted);margin:16px 0 0}
    .hero-art{min-height:305px;position:relative;display:grid;place-items:center}
    .orbit{width:min(310px,75vw);aspect-ratio:1;border:1px solid #edc2a5;border-radius:50%;display:grid;place-items:center;position:relative;animation:slowspin 28s linear infinite}
    .orbit:before,.orbit:after{content:"";position:absolute;border:1px solid #f2d7c5;border-radius:50%}
    .orbit:before{inset:20px}.orbit:after{inset:48px}
    .orbit-center{width:114px;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:#fff;font-size:28px;font-weight:850;box-shadow:0 14px 40px rgba(242,99,34,.25);animation:slowspin 28s linear reverse infinite}
    .orbit-tag{position:absolute;background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:3px;font-size:12px;font-weight:750;box-shadow:0 7px 20px rgba(87,47,25,.08);animation:float 4s ease-in-out infinite}
    .orbit-tag:nth-child(2){top:5%;left:32%}.orbit-tag:nth-child(3){top:40%;right:-5%;animation-delay:.7s}.orbit-tag:nth-child(4){bottom:7%;left:23%;animation-delay:1.2s}.orbit-tag:nth-child(5){top:45%;left:-7%;animation-delay:1.6s}
    .hero-strip{display:flex;gap:0;margin-top:52px;border-top:1px solid #ebd8c9;padding-top:20px;flex-wrap:wrap}
    .hero-strip span{padding:4px 20px;border-right:1px solid #e5cbbb;color:#62564e;font-size:13px}
    .hero-strip span:first-child{padding-left:0}
    .hero-strip span:last-child{border:0}
    .section{padding:76px 0}
    .section.tinted{background:#fff4eb;border-block:1px solid #f1e2d6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3vw,38px);line-height:1.2;margin:10px 0 0;letter-spacing:0}
    .section-head p{max-width:520px;color:var(--muted);margin:0}
    .intro-layout{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start}
    .intro-copy{font-size:16px;color:#5f5650}
    .intro-copy strong{color:var(--ink)}
    .capability-list{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;border-top:1px solid var(--line)}
    .capability-list div{padding:15px 0;border-bottom:1px solid var(--line);font-weight:700;font-size:14px}
    .capability-list span{display:block;color:var(--muted);font-weight:450;font-size:12px;margin-top:3px}
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0 22px}
    .service{padding:21px 0;border-top:2px solid #e8d7cb;transition:border-color .2s,transform .2s}
    .service:hover{border-color:var(--orange);transform:translateY(-3px)}
    .service .num{font-size:11px;font-weight:800;color:var(--orange);letter-spacing:.8px}
    .service h3{font-size:17px;margin:9px 0 7px}
    .service p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}
    .more-services{margin-top:32px;border-top:1px solid var(--line);padding-top:24px}
    .more-services h3{font-size:16px;margin-bottom:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
    .tag{font-size:12px;padding:6px 10px;border:1px solid #e7d9cf;color:#594f48;background:#fff;border-radius:3px}
    .production{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:start}
    .production-aside{padding-left:20px;border-left:3px solid var(--orange)}
    .production-aside h2{font-size:32px;line-height:1.2;margin:8px 0 14px}
    .production-aside p{color:var(--muted)}
    .production-list{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}
    .production-item{padding:17px 0;border-top:1px solid var(--line)}
    .production-item b{display:block;font-size:15px;margin-bottom:4px}
    .production-item span{font-size:13px;color:var(--muted)}
    .solutions{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .solution{padding:20px 0;border-top:3px solid var(--orange)}
    .solution h3{font-size:18px;margin-bottom:8px}
    .solution p{font-size:14px;color:var(--muted);margin-bottom:10px}
    .solution a{font-size:13px;color:var(--orange-dark);font-weight:750}
    .network{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
    .network h2{font-size:34px;line-height:1.2;margin:10px 0}
    .network p{color:var(--muted)}
    .model-list{display:flex;flex-wrap:wrap;gap:9px}
    .model-list span{font-size:13px;background:#fff;border:1px solid var(--line);padding:8px 11px;border-radius:3px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:steps}
    .step{border-top:1px solid #d9b59d;padding-top:18px;counter-increment:steps}
    .step:before{content:"0" counter(steps);color:var(--orange);font-size:13px;font-weight:850}
    .step h3{font-size:16px;margin:10px 0 6px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .review-score{display:flex;align-items:center;gap:20px;background:#fff3e8;padding:19px 23px;border-left:4px solid var(--orange)}
    .review-score strong{font-size:36px;color:var(--orange-dark);line-height:1}
    .stars{color:#e66b21;letter-spacing:0;font-size:18px}
    .review-score span{display:block;font-size:12px;color:var(--muted)}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff;margin-top:22px}
    table{width:100%;border-collapse:collapse;min-width:720px;text-align:left}
    th,td{padding:14px 16px;border-bottom:1px solid #eee5de;font-size:13px;vertical-align:top}
    th{background:#fff0e5;color:#4b3b30}
    td:first-child{font-weight:750;width:22%}
    .positive{color:var(--green);font-weight:750}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
    blockquote{margin:0;padding:19px 0;border-top:2px solid #e5c4ae}
    blockquote p{font-size:14px;color:#554c46;margin-bottom:16px}
    blockquote footer{font-size:12px;color:var(--muted)}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}
    .case{background:#fff;border:1px solid var(--line);padding:21px;transition:transform .2s,box-shadow .2s}
    .case:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .case small{color:var(--orange-dark);font-weight:750}
    .case h3{font-size:17px;margin:8px 0}
    .case p{font-size:13px;color:var(--muted);margin:0}
    .article-links{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .article-links a{padding:13px;border-bottom:1px solid #d9b59d;background:#fff;font-size:13px;font-weight:700;transition:color .2s,border-color .2s}
    .article-links a:hover{color:var(--orange-dark);border-color:var(--orange)}
    .faq-list{max-width:900px}
    details{border-top:1px solid var(--line);padding:16px 0}
    details:last-child{border-bottom:1px solid var(--line)}
    summary{cursor:pointer;list-style:none;font-weight:750;padding-right:26px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:2px;top:0;color:var(--orange);font-size:20px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{margin:10px 28px 0 0;font-size:14px;color:var(--muted)}
    .contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
    .contact-info h2{font-size:34px;line-height:1.2;margin:10px 0 13px}
    .contact-info p{color:var(--muted)}
    .contact-line{padding:12px 0;border-top:1px solid var(--line);font-size:14px}
    .contact-line b{display:inline-block;min-width:95px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .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%;border:1px solid #ddcfc4;border-radius:3px;padding:11px 12px;background:#fff;color:var(--ink)}
    .field textarea{resize:vertical;min-height:112px}
    .form-note{font-size:12px;color:var(--muted);margin:11px 0 0}
    .join-band{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:22px 0;border-top:1px solid var(--line)}
    .join-band h2{font-size:22px;margin:0}
    .join-band p{color:var(--muted);font-size:14px;margin:4px 0 0}
    .site-footer{background:#fff0e5;color:#302820;border-top:1px solid #ead9ca;padding:28px 0 22px}
    .footer-top{display:flex;justify-content:space-between;align-items:center;gap:20px}
    .footer-top p{margin:0;font-size:13px;color:#655a51}
    .footer-links{display:flex;flex-wrap:wrap;gap:14px;margin:18px 0;font-size:12px;color:#51473f}
    .footer-links a:hover{color:var(--orange-dark)}
    .copyright{padding-top:14px;border-top:1px solid #e5d5c7;font-size:12px;color:#71665c}
    .floating{position:fixed;right:18px;bottom:20px;z-index:15;display:flex;flex-direction:column;gap:8px}
    .float-link{position:relative;display:grid;place-items:center;width:48px;height:48px;border:1px solid #e9d6c8;border-radius:50%;background:#fff;color:var(--orange-dark);font-weight:800;box-shadow:0 6px 20px rgba(87,47,25,.13);cursor:pointer}
    .float-link img{display:none;position:absolute;right:58px;bottom:0;width:148px;padding:6px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .float-link:hover img,.float-link:focus img{display:block}
    .to-top{font-size:20px}
    .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}
    .reveal.visible{opacity:1;transform:none}
    @keyframes slowspin{to{transform:rotate(360deg)}}
    @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
    @media(max-width:980px){
      .nav-links a{padding-inline:7px;font-size:12px}
      .hero-grid{gap:25px}
      .service-grid{grid-template-columns:repeat(3,1fr)}
      .article-links{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(var(--width),calc(100% - 32px))}
      .nav-row{min-height:66px}
      .menu-toggle{display:grid;place-items:center;margin-left:auto}
      .nav-cta{margin-left:0}
      .nav-links{display:none;position:absolute;left:0;right:0;top:66px;padding:10px 16px 16px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 18px rgba(87,47,25,.08);align-items:stretch}
      .nav-links.open{display:flex;flex-direction:column}
      .nav-links a{padding:10px 8px;border-bottom:1px solid #f0e7e0;font-size:14px}
      .hero-inner{padding-top:48px;padding-bottom:38px}
      .hero-grid{grid-template-columns:1fr;gap:14px}
      h1{font-size:43px}
      .hero-copy{font-size:15px}
      .hero-art{min-height:235px}
      .orbit{width:225px}
      .orbit-center{width:88px;font-size:23px}
      .orbit-tag:nth-child(3){right:-7%}
      .hero-strip{margin-top:24px}
      .hero-strip span{padding:4px 11px;font-size:11px}
      .section{padding:56px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .intro-layout,.production,.network,.contact-layout{grid-template-columns:1fr;gap:28px}
      .service-grid{grid-template-columns:repeat(2,1fr);gap:0 16px}
      .solutions{grid-template-columns:1fr;gap:15px}
      .steps{grid-template-columns:repeat(2,1fr);gap:20px}
      .reviews{grid-template-columns:repeat(2,1fr);gap:18px}
      .case-grid{grid-template-columns:1fr 1fr}
      .article-links{grid-template-columns:1fr 1fr}
      .join-band{align-items:flex-start;flex-direction:column}
      .footer-top{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:480px){
      .brand img{width:36px}.brand-name{font-size:15px}
      .nav-cta{font-size:12px;padding:9px 11px}
      .hero-actions .button{width:100%}
      .capability-list,.production-list,.steps,.reviews,.case-grid,.form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .article-links{grid-template-columns:1fr 1fr}
      .section-head h2{font-size:28px}
      .review-score{gap:13px;padding:16px}
      .floating{right:10px;bottom:12px}
      .float-link{width:43px;height:43px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
      .reveal{opacity:1;transform:none}
    }