:root{--ink:#182321;--muted:#5e6c68;--paper:#f8faf7;--white:#fff;--line:#dce5df;--green:#176c54;--lime:#d5f06a;--coral:#ff806b;--blue:#dcecff;--gold:#f5c75e;--container:1180px}
    *{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}
    .topbar{position:sticky;top:0;z-index:20;background:rgba(248,250,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(24,35,33,.09)}
    .nav-wrap{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:11px;min-width:max-content;font-weight:800}
    .brand img{width:42px;max-height:42px;object-fit:contain}
    .brand-name{font-size:17px;line-height:1.2}
    .brand-name small{display:block;color:var(--muted);font-size:10px;font-weight:600;letter-spacing:0}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap}
    .nav-links a{padding:9px 11px;color:#40514c;font-size:13px;border-radius:5px;transition:background .2s,color .2s}
    .nav-links a:hover{background:#e9f1e9;color:var(--green)}
    .nav-actions{display:flex;align-items:center;gap:10px;min-width:max-content}
    .nav-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:5px;width:42px;height:42px;color:var(--ink);font-size:20px}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:5px;background:var(--green);color:#fff;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .button:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(23,108,84,.18);background:#10573f}
    .button-outline{color:var(--green);background:transparent;border-color:#9bb9aa}
    .button-outline:hover{background:#eaf2eb;box-shadow:none}
    .button-lime{color:var(--ink);background:var(--lime)}
    .button-lime:hover{background:#c6e34f;box-shadow:0 8px 20px rgba(91,115,17,.16)}
    .hero{position:relative;overflow:hidden;background:#eaf1e9;border-bottom:1px solid #dce7dc}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(213,240,106,.3),transparent 42%),linear-gradient(300deg,rgba(255,128,107,.15),transparent 36%);pointer-events:none}
    .hero-inner{position:relative;padding:78px 0 45px}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(280px,.82fr);align-items:center;gap:48px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:0}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:700px;margin:16px 0 18px;font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:0}
    .hero-copy{max-width:650px;color:#465651;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
    .hero-note{margin-top:15px;color:#63716c;font-size:12px}
    .hero-art{position:relative;min-height:315px;display:grid;place-items:center}
    .orbit{position:absolute;width:280px;aspect-ratio:1;border:1px solid rgba(23,108,84,.24);border-radius:50%;animation:spin 26s linear infinite}
    .orbit:before,.orbit:after{content:"";position:absolute;width:13px;height:13px;border-radius:50%;background:var(--coral);top:24px;left:46px}
    .orbit:after{width:9px;height:9px;background:var(--green);top:auto;left:auto;bottom:34px;right:24px}
    .core{position:relative;width:188px;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;text-align:center;background:var(--green);color:white;box-shadow:0 22px 55px rgba(23,108,84,.2);animation:float 4s ease-in-out infinite}
    .core strong{display:block;font-size:34px;line-height:1.1}
    .core span{display:block;margin-top:8px;font-size:12px;color:#e5f4e8}
    .orbit-tag{position:absolute;z-index:1;padding:8px 13px;background:white;border:1px solid var(--line);border-radius:4px;font-size:12px;font-weight:700;box-shadow:0 8px 24px rgba(24,35,33,.07)}
    .tag-a{top:30px;left:5px}.tag-b{right:0;top:75px}.tag-c{bottom:36px;left:0}.tag-d{right:8px;bottom:25px}
    .hero-ribbon{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:45px;border-top:1px solid #cfdbd1}
    .metric{padding:20px 20px 0 0}
    .metric strong{display:block;font-size:21px;line-height:1.2}
    .metric span{display:block;margin-top:5px;color:var(--muted);font-size:12px}
    .section{padding:78px 0}
    .section-tint{background:#eff4ef}
    .section-white{background:white}
    .section-head{max-width:730px;margin-bottom:34px}
    .section-head h2{margin:10px 0 11px;font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:0}
    .section-head p{margin-bottom:0;color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
    .intro-copy{font-size:16px;color:#42514c}
    .intro-copy strong{color:var(--ink)}
    .capability-list{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;border-top:1px solid var(--line)}
    .capability-list div{padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
    .capability-list b{display:block;color:var(--green);font-size:13px;margin-bottom:3px}
    .model-band{margin-top:30px;padding:20px 22px;background:#f6f9f5;border-left:3px solid var(--coral)}
    .model-band p{margin:0 0 10px;font-size:13px;font-weight:700}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:7px}
    .tag-cloud span{padding:5px 10px;border:1px solid #d6e1d9;border-radius:3px;color:#45534e;background:white;font-size:12px}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px}
    .service{padding:23px 0 22px;border-top:1px solid var(--line);transition:transform .2s}
    .service:hover{transform:translateY(-3px)}
    .service-num{color:var(--coral);font-size:12px;font-weight:800}
    .service h3{margin:7px 0 7px;font-size:18px}
    .service p{margin:0;color:var(--muted);font-size:13px}
    .service em{display:inline-block;margin-top:12px;color:var(--green);font-size:11px;font-style:normal;font-weight:700}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
    .step{position:relative;padding-top:17px;border-top:2px solid #adc7b5}
    .step:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--coral);font-size:12px;font-weight:800;margin-bottom:15px}
    .step h3{font-size:17px;margin-bottom: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 20px;border-bottom:1px solid var(--line)}
    .solution-media{overflow:hidden;background:#e7eee8;aspect-ratio:16/9;margin-bottom:15px}
    .solution-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}
    .solution:hover img{transform:scale(1.035)}
    .solution h3{margin:0 0 6px;font-size:17px}
    .solution p{margin:0;color:var(--muted);font-size:13px}
    .split-feature{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
    .feature-image{background:#edf1ea;overflow:hidden}
    .feature-image img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}
    .feature-points{display:grid;gap:15px;margin-top:23px}
    .feature-points div{padding-left:17px;border-left:2px solid var(--lime)}
    .feature-points b{display:block;font-size:14px}
    .feature-points span{color:var(--muted);font-size:13px}
    .network{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:start}
    .network-copy{max-width:690px;color:#46534e}
    .network-strip{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
    .network-strip span{padding:9px 12px;background:white;border:1px solid var(--line);font-size:13px}
    .network-aside{padding:22px;border-left:3px solid var(--green);background:#f4f7f2}
    .network-aside h3{font-size:17px;margin-bottom:8px}
    .network-aside p{font-size:13px;color:var(--muted);margin:0}
    .compare-wrap{overflow:auto;border:1px solid var(--line);background:white}
    table{width:100%;border-collapse:collapse;min-width:720px;text-align:left}
    th,td{padding:14px 16px;border-bottom:1px solid #e7ece8;font-size:13px;vertical-align:top}
    th{background:#edf4ed;color:#263b32;font-size:12px}
    td:first-child{font-weight:700;width:22%}
    td:last-child{color:#365b49}
    .score-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px;padding:19px 22px;background:#eaf3e9}
    .score-row strong{font-size:22px}
    .stars{color:#c47a17;letter-spacing:0;font-size:19px}
    .score{font-size:13px;color:#46534e}
    .match-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start}
    .match-note{color:var(--muted)}
    .match-note ul{padding-left:18px}
    .match-note li{margin:8px 0}
    .form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .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 #cfdad1;border-radius:4px;background:white;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(23,108,84,.1)}
    .field textarea{min-height:112px;resize:vertical}
    .form .button{grid-column:1/-1;justify-self:start;cursor:pointer}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px}
    .review{padding:21px 0;border-top:1px solid var(--line)}
    .review blockquote{margin:0 0 15px;color:#35443e;font-size:14px}
    .review cite{font-style:normal;color:var(--muted);font-size:12px}
    .review cite b{color:var(--ink)}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{cursor:pointer;list-style:none;padding:17px 32px 17px 0;font-weight:700;font-size:15px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:3px;top:14px;color:var(--green);font-size:21px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{margin:0;padding:0 30px 17px 0;color:var(--muted);font-size:14px}
    .article-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}
    .article-link{display:flex;min-height:120px;flex-direction:column;justify-content:space-between;padding:16px;border:1px solid var(--line);background:white;transition:transform .2s,border-color .2s}
    .article-link:hover{transform:translateY(-3px);border-color:#8dad99}
    .article-link small{color:var(--green);font-weight:700;font-size:11px}
    .article-link strong{font-size:14px}
    .article-link span{color:var(--muted);font-size:11px}
    .join-band{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:26px 0;border-top:1px solid var(--line)}
    .join-band h3{margin:0 0 5px;font-size:20px}
    .join-band p{margin:0;color:var(--muted);font-size:13px}
    .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
    .contact-info{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    .contact-item{padding:15px;background:#f1f5f0;border-top:2px solid #c6d8c8}
    .contact-item small{display:block;color:var(--muted);font-size:11px}
    .contact-item strong{display:block;margin-top:4px;font-size:14px;overflow-wrap:anywhere}
    .qr{display:flex;align-items:center;gap:15px;margin-top:18px}
    .qr img{width:100px;aspect-ratio:1;object-fit:contain;background:white;border:1px solid var(--line);padding:5px}
    .qr p{margin:0;color:var(--muted);font-size:12px}
    .footer{background:#e7eee7;color:#263630;border-top:1px solid #d4dfd5}
    .footer-main{padding:27px 0 20px;display:flex;align-items:flex-start;justify-content:space-between;gap:28px}
    .footer-brand{max-width:400px}
    .footer-brand p{margin:9px 0 0;color:#52615a;font-size:12px}
    .footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:flex-end}
    .footer-links a{font-size:12px;color:#344a40}
    .footer-links a:hover{color:var(--green);text-decoration:underline}
    .copyright{padding:13px 0;border-top:1px solid #d1dbd2;color:#52615a;font-size:11px}
    .float-contact{position:fixed;right:17px;bottom:20px;z-index:15;display:grid;gap:8px}
    .float-contact a{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--green);color:white;font-size:12px;font-weight:700;box-shadow:0 6px 17px rgba(24,35,33,.18);transition:transform .2s}
    .float-contact a:hover{transform:translateY(-3px)}
    .to-top{background:#263630!important}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.is-visible{opacity:1;transform:translateY(0)}
    @keyframes spin{to{transform:rotate(360deg)}}
    @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
    @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{gap:0}.nav-links a{padding:8px 7px;font-size:12px}
      .nav-actions .button{padding:0 13px}
      .hero-grid{gap:24px}
      .service-grid{grid-template-columns:repeat(2,1fr)}
      .article-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{min-height:66px}
      .nav-toggle{display:block}
      .nav-actions>.button{display:none}
      .nav-links{display:none;position:absolute;top:65px;left:0;right:0;padding:10px 16px 15px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 20px rgba(24,35,33,.06);justify-content:flex-start}
      .nav-links.open{display:flex}
      .nav-links a{width:50%;padding:10px}
      .hero-inner{padding:54px 0 30px}
      .hero-grid{grid-template-columns:1fr;gap:8px}
      .hero-art{min-height:250px;max-width:430px;width:100%;margin-inline:auto}
      .core{width:150px}
      .core strong{font-size:29px}
      .orbit{width:225px}
      .hero-ribbon{grid-template-columns:1fr 1fr;row-gap:15px;margin-top:20px}
      .metric{padding:12px 8px 0 0}
      .section{padding:57px 0}
      .intro-grid,.network,.split-feature,.match-grid,.contact-grid{grid-template-columns:1fr;gap:27px}
      .service-grid{grid-template-columns:1fr 1fr;gap:0 16px}
      .workflow{grid-template-columns:1fr 1fr;gap:25px 18px}
      .solution-grid{grid-template-columns:1fr 1fr;gap:20px}
      .reviews{grid-template-columns:1fr 1fr;gap:0 18px}
      .article-grid{grid-template-columns:1fr 1fr}
      .score-row{align-items:flex-start;flex-direction:column;gap:5px}
      .footer-main{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media(max-width:480px){
      h1{font-size:38px}
      .hero-copy{font-size:15px}
      .hero-actions .button{width:100%}
      .hero-art{min-height:225px}
      .orbit{width:205px}
      .orbit-tag{font-size:10px;padding:6px 9px}
      .tag-a{left:0}.tag-b{right:0}
      .tag-c{bottom:20px}.tag-d{bottom:14px}
      .service-grid,.solution-grid,.reviews,.capability-list{grid-template-columns:1fr}
      .workflow{grid-template-columns:1fr 1fr}
      .field{grid-column:1/-1}
      .contact-info{grid-template-columns:1fr 1fr}
      .article-grid{grid-template-columns:1fr 1fr}
      .join-band{align-items:flex-start;flex-direction:column}
      .qr{align-items:flex-start}
    }