:root{--ink:#17232b;--muted:#59666c;--paper:#fffdf8;--white:#fff;--line:#e6e4dc;--coral:#f45c46;--lime:#d8f264;--teal:#147d73;--blue:#3658db;--yellow:#ffd34f;--max:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:88px}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans 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,input,select,textarea{-webkit-tap-highlight-color:transparent}
    img{max-width:100%;height:auto}
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .topbar{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
    .nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:850;white-space:nowrap}
    .brand img{width:42px;max-height:42px;object-fit:contain}
    .nav-right{display:flex;align-items:center;gap:22px}
    .nav-links{display:flex;align-items:center;gap:0}
    .nav-links a{padding:10px 11px;color:#38464b;font-size:13px;font-weight:650;border-radius:5px}
    .nav-links a:hover{background:#f0efe8;color:var(--teal)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 19px;border:0;border-radius:5px;background:var(--ink);color:#fff;font-weight:750;transition:transform .2s,background .2s,box-shadow .2s}
    .nav-cta:hover,.button:hover{transform:translateY(-2px);background:var(--teal);box-shadow:0 8px 20px #147d7330}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:5px;background:var(--white);color:var(--ink);font-size:21px}
    .hero{position:relative;overflow:hidden;background:#f5f2e8;border-bottom:1px solid var(--line)}
    .hero:before{content:"";position:absolute;right:-85px;top:55px;width:360px;height:360px;border:1px solid #f45c4660;border-radius:50%;box-shadow:0 0 0 38px #f45c460a,0 0 0 78px #3658db08}
    .hero:after{content:"";position:absolute;right:15%;bottom:-104px;width:210px;height:210px;background:var(--lime);transform:rotate(28deg);border-radius:38px}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:64px;padding-block:82px 68px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--teal);font-size:12px;font-weight:850;letter-spacing:0}
    .eyebrow:before{content:"";width:24px;height:3px;background:var(--coral)}
    h1{max-width:680px;margin:16px 0 18px;font-size:clamp(38px,5vw,66px);line-height:1.1;letter-spacing:0}
    .hero-copy{max-width:650px;color:#4f5d62;font-size:17px}
    .hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:28px}
    .button-primary{background:var(--coral);color:#fff}
    .button-primary:hover{background:#d94331}
    .button-light{background:var(--white);color:var(--ink);border:1px solid #d8d6cd}
    .button-light:hover{background:var(--lime);color:var(--ink)}
    .hero-note{margin-top:16px;color:#667176;font-size:12px}
    .hero-board{position:relative;z-index:1;padding:25px;border:1px solid #d9d5c8;background:#fffdf8;box-shadow:12px 12px 0 var(--yellow);transform:rotate(1deg)}
    .board-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;font-size:12px;font-weight:800}
    .live-mark{display:inline-flex;align-items:center;gap:7px;color:var(--teal)}
    .live-mark:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px #147d7318}
    .model-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
    .model-cloud span{padding:6px 9px;border:1px solid #e5e2d8;border-radius:3px;background:#fff;color:#344248;font-size:11px;font-weight:700}
    .model-cloud span:nth-child(3n+1){border-color:#f2b8aa;background:#fff3ef}
    .model-cloud span:nth-child(3n+2){border-color:#cbd7f6;background:#f1f4ff}
    .model-cloud span:nth-child(3n){border-color:#d7e5aa;background:#f5f9e9}
    .board-foot{display:flex;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:#fff}
    .metric{padding:24px 20px;text-align:center;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:20px;line-height:1.25}
    .metric span{color:var(--muted);font-size:12px}
    .section{padding:76px 0}
    .section-tint{background:#f5f3eb}
    .section-dark{background:#182b2c;color:#fff}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:30px}
    .section-heading h2{margin:8px 0 0;font-size:clamp(27px,3.3vw,40px);line-height:1.2;letter-spacing:0}
    .section-heading p{max-width:480px;margin:0;color:var(--muted);font-size:14px}
    .section-dark .section-heading p{color:#c2ceca}
    .intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
    .intro-lead{font-size:19px;line-height:1.7;margin:0}
    .intro-copy{color:var(--muted);margin:16px 0 0}
    .capability-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 24px;border-top:1px solid var(--line)}
    .capability{padding:16px 0;border-bottom:1px solid var(--line)}
    .capability strong{display:block;margin-bottom:5px}
    .capability span{font-size:13px;color:var(--muted)}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#dcdad1;border:1px solid #dcdad1}
    .service{min-height:168px;padding:22px;background:var(--paper);transition:background .2s,transform .2s}
    .service:hover{position:relative;z-index:1;background:#fff;transform:translateY(-3px)}
    .service .index{display:block;color:var(--coral);font-size:11px;font-weight:850}
    .service h3{font-size:17px;margin:9px 0 7px}
    .service p{margin:0;color:var(--muted);font-size:13px}
    .tool-strip{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
    .tool-strip span{padding:7px 11px;border:1px solid #465858;border-radius:3px;color:#eef3ec;font-size:12px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);counter-reset:step}
    .workflow article{position:relative;padding:4px 24px 0 0}
    .workflow article:before{counter-increment:step;content:"0" counter(step);display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--lime);color:var(--ink);font-weight:900;margin-bottom:16px}
    .workflow article:not(:last-child):after{content:"";position:absolute;left:52px;right:15px;top:21px;border-top:1px dashed #9ca9a0}
    .workflow h3{margin:0 0 7px;font-size:16px}
    .workflow p{margin:0;color:#c2ceca;font-size:13px}
    .industry-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 42px}
    .industry{display:flex;gap:18px;padding:19px 0;border-bottom:1px solid var(--line)}
    .industry b{min-width:92px;color:var(--teal);font-size:13px}
    .industry span{color:var(--muted);font-size:13px}
    .network{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
    .network p{color:var(--muted)}
    .network-points{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .network-points div{padding:15px 0;border-bottom:1px solid var(--line)}
    .network-points strong{display:block;font-size:14px}
    .network-points span{color:var(--muted);font-size:12px}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .case{background:#fff;border:1px solid var(--line)}
    .case-media{overflow:hidden;background:#f1efe7}
    .case-media img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s}
    .case:hover .case-media img{transform:scale(1.035)}
    .case-body{padding:17px}
    .case-body small{color:var(--teal);font-weight:800}
    .case-body h3{margin:6px 0;font-size:17px}
    .case-body p{margin:0;color:var(--muted);font-size:13px}
    .score-row{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px;padding:20px 22px;background:var(--lime)}
    .score-row strong{font-size:25px}
    .stars{color:#9c5a00;letter-spacing:0;font-size:18px}
    .table-wrap{overflow-x:auto;border:1px solid #deded5;background:#fff}
    table{width:100%;min-width:740px;border-collapse:collapse;text-align:left}
    th,td{padding:13px 15px;border-bottom:1px solid #e8e7df;font-size:13px}
    th{background:#f0efe8;color:#344148;font-size:12px}
    td:first-child{font-weight:750}
    td:last-child{color:var(--teal);font-weight:750}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review{padding:19px;border-left:3px solid var(--coral);background:#fff}
    .review p{margin:0 0 15px;font-size:14px}
    .review strong{font-size:12px}
    .review span{display:block;color:var(--muted);font-size:11px}
    .match-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:start}
    .match-copy{padding:24px;background:var(--lime)}
    .match-copy h3{margin:0 0 8px;font-size:22px}
    .match-copy p{margin:0;color:#465149;font-size:14px}
    .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:12px;font-weight:750}
    .field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid #d9d8cf;border-radius:3px;background:#fff;color:var(--ink);outline:none}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #147d7314}
    .field textarea{min-height:110px;resize:vertical}
    .submit-row{grid-column:1/-1;display:flex;align-items:center;gap:14px}
    .form-status{margin:0;color:var(--teal);font-size:13px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{display:flex;justify-content:space-between;gap:20px;padding:16px 2px;cursor:pointer;list-style:none;font-weight:750}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--coral);font-size:20px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{margin:0;padding:0 30px 17px 2px;color:var(--muted);font-size:14px}
    .articles{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .article{padding:16px 0;border-top:2px solid var(--teal)}
    .article small{color:var(--muted);font-size:11px}
    .article h3{font-size:15px;margin:8px 0}
    .article a{font-size:12px;color:var(--teal);font-weight:750}
    .article a:hover{text-decoration:underline}
    .加盟{background:#fff}
    .join-band{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:27px 0;border-top:1px solid var(--line)}
    .join-band h2{margin:0 0 6px;font-size:25px}
    .join-band p{margin:0;color:var(--muted);font-size:14px}
    .footer{background:#eff0e9;color:#243238;border-top:1px solid #dfe0d8}
    .footer-main{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px;padding:36px 0}
    .footer h2,.footer h3{margin:0 0 10px;font-size:15px}
    .footer p,.footer a,.footer small{color:#536064;font-size:12px}
    .footer-links{display:flex;flex-wrap:wrap;gap:9px 15px}
    .footer-links a:hover{color:var(--teal);text-decoration:underline}
    .footer-bottom{padding:13px 0;border-top:1px solid #d8dad1;color:#536064;font-size:11px}
    .qr{width:104px;aspect-ratio:1;object-fit:cover;border:1px solid #d8d8d0}
    .contact-float{position:fixed;right:18px;bottom:18px;z-index:30;display:grid;gap:8px}
    .contact-float a,.back-top{display:grid;place-items:center;width:48px;height:48px;border:1px solid #d6d5cd;border-radius:50%;background:#fff;color:var(--ink);box-shadow:0 4px 18px #17232b1a;font-weight:800}
    .contact-float a:hover,.back-top:hover{background:var(--lime)}
    .back-top{display:none;cursor:pointer;font-size:19px}
    .back-top.visible{display:grid}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.is-visible{opacity:1;transform:translateY(0)}
    @media(max-width:1000px){.nav-links a{padding-inline:7px;font-size:12px}.nav-right{gap:10px}.hero-inner{gap:35px}.service-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:760px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .nav{min-height:66px}.brand img{width:36px}.menu-toggle{display:block}
      .nav-right{gap:9px}.nav-cta{padding:10px 12px;font-size:12px}
      .nav-links{display:none;position:absolute;top:66px;left:0;right:0;padding:12px 16px 16px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 18px #17232b0c}
      .nav-links.open{display:grid;grid-template-columns:repeat(2,1fr);gap:3px}
      .nav-links a{padding:10px;font-size:13px}
      .hero-inner{grid-template-columns:1fr;padding-block:56px 50px;gap:32px}
      .hero:before{right:-190px;top:230px}.hero:after{right:8%;bottom:-130px}
      .hero-board{max-width:480px;transform:none}
      .metrics{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:55px 0}
      .section-heading{display:block}.section-heading p{margin-top:12px}
      .intro-grid,.network,.match-grid{grid-template-columns:1fr;gap:28px}
      .service-grid{grid-template-columns:1fr 1fr}
      .workflow{grid-template-columns:repeat(2,1fr);gap:28px 14px}
      .workflow article:nth-child(2):after{display:none}
      .industry-grid{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr 1fr}
      .review-grid{grid-template-columns:1fr 1fr}
      .articles{grid-template-columns:repeat(2,1fr)}
      .footer-main{grid-template-columns:1fr 1fr}.footer-main>div:first-child{grid-column:1/-1}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 28px)}
      .brand{font-size:14px}.nav-cta{padding:9px 10px}
      .hero-inner{padding-top:45px}
      h1{font-size:39px}
      .hero-copy{font-size:15px}
      .hero-actions .button{width:100%}
      .board-foot{font-size:11px}
      .capability-list,.service-grid,.case-grid,.review-grid,.network-points{grid-template-columns:1fr}
      .service{min-height:0}
      .workflow{grid-template-columns:1fr 1fr}
      .workflow article{padding-right:5px}
      .workflow article:after{display:none}
      .score-row{align-items:flex-start;flex-direction:column;gap:5px}
      .form-grid{grid-template-columns:1fr}
      .field.full,.submit-row{grid-column:auto}
      .submit-row{align-items:flex-start;flex-direction:column}
      .articles{grid-template-columns:1fr 1fr}
      .join-band{align-items:flex-start;flex-direction:column}
      .footer-main{grid-template-columns:1fr}
      .footer-main>div:first-child{grid-column:auto}
      .contact-float{right:12px;bottom:12px}
    }
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}