:root{--red:#c9282d;--red-dark:#8f191e;--ink:#242326;--muted:#656267;--line:#e8e2df;--paper:#fffaf8;--pink:#fff0ed;--gold:#e7ae70;--green:#276b57;--container:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:88px}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","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}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,248,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;flex:none;font-weight:800}
    .brand img{width:42px;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:#454146;font-size:13px;transition:color .2s}
    .nav-links a:hover{color:var(--red)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--red);background:var(--red);color:white;padding:12px 19px;font-weight:700;border-radius:4px;transition:transform .2s,background .2s,box-shadow .2s}
    .nav-cta{padding:9px 14px;font-size:13px;white-space:nowrap}
    .button:hover,.nav-cta:hover{background:var(--red-dark);box-shadow:0 8px 22px #8f191e2a;transform:translateY(-2px)}
    .button.secondary{background:transparent;color:var(--red)}
    .button.secondary:hover{background:var(--pink)}
    .menu-toggle{display:none;border:1px solid var(--line);background:white;border-radius:4px;padding:8px 11px;color:var(--ink)}
    .hero{position:relative;overflow:hidden;background:linear-gradient(112deg,#fff7f3 0%,#fff 53%,#ffe5df 100%);border-bottom:1px solid #f1d4cc}
    .hero:before{content:"";position:absolute;right:-120px;top:-190px;width:520px;aspect-ratio:1;border:1px solid #d94a4730;border-radius:50%;box-shadow:0 0 0 42px #d94a4708,0 0 0 90px #d94a4705}
    .hero:after{content:"";position:absolute;right:12%;bottom:-120px;width:280px;height:220px;border:1px solid #c9282d27;transform:rotate(35deg);border-radius:38px}
    .hero-inner{position:relative;z-index:1;padding:76px 0 56px;max-width:820px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--red);font-size:13px;font-weight:800;letter-spacing:0}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--red)}
    h1{font-size:clamp(38px,6vw,68px);line-height:1.12;letter-spacing:0;margin:18px 0;color:#241f20;max-width:760px}
    .hero p{max-width:650px;font-size:18px;color:#575054;margin:0 0 26px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:34px;color:#51474a;font-size:13px}
    .hero-meta span:before{content:"✓";color:var(--red);font-weight:900;margin-right:8px}
    .signal{display:flex;gap:10px;align-items:center;margin-top:38px;color:#645a5c;font-size:12px}
    .signal i{display:block;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px #276b5718}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:#fff}
    .stat{padding:22px 18px;border-right:1px solid var(--line)}
    .stat:last-child{border:0}
    .stat strong{display:block;color:var(--red);font-size:22px}
    .stat span{color:var(--muted);font-size:13px}
    section{padding:76px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:32px;line-height:1.2;margin:8px 0 0}
    .section-head p{max-width:530px;color:var(--muted);margin:0}
    .kicker{color:var(--red);font-size:12px;font-weight:800;text-transform:uppercase}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
    .intro-grid h2{font-size:34px;line-height:1.25;margin:9px 0 16px}
    .intro-grid p{color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:20px 0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .check-list li{border-bottom:1px solid var(--line);padding:10px 0;font-size:14px}
    .check-list li:before{content:"＋";color:var(--red);font-weight:800;margin-right:8px}
    .model-strip{padding:24px;background:#2b2526;color:#fff;border-left:4px solid var(--red)}
    .model-strip strong{display:block;margin-bottom:10px}
    .model-strip p{color:#e2d7d7;font-size:14px;margin:0}
    .service-section{background:#fff}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
    .service{padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .2s,transform .2s}
    .service:hover{background:#fff8f5;transform:translateY(-3px)}
    .service .num{font-size:12px;color:var(--red);font-weight:800}
    .service h3{font-size:17px;margin:7px 0}
    .service p{font-size:13px;color:var(--muted);margin:0}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
    .step{border-top:2px solid var(--red);padding:18px 4px;counter-increment:step}
    .step:before{content:"0" counter(step);font-size:13px;color:var(--red);font-weight:800}
    .step h3{font-size:17px;margin:10px 0 5px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .industry{background:#f8eeeb}
    .industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#e8d8d4;border:1px solid #e8d8d4}
    .industry-item{background:#fffaf8;padding:18px}
    .industry-item strong{display:block;font-size:15px;margin-bottom:5px}
    .industry-item span{font-size:12px;color:var(--muted)}
    .network-row{display:flex;flex-wrap:wrap;gap:9px}
    .network-row span{border:1px solid #e6cbc4;background:#fff;padding:8px 12px;font-size:13px;color:#55484a}
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .case{border-bottom:1px solid var(--line);padding-bottom:22px}
    .image-frame{background:#f4e8e4;padding:12px;margin-bottom:13px}
    .image-frame img{display:block;width:100%;aspect-ratio:16/8;object-fit:cover}
    .case h3{margin:8px 0;font-size:19px}
    .case p{margin:0;color:var(--muted);font-size:14px}
    .score-band{background:#2b2526;color:#fff;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:24px}
    .score-band h3{margin:0 0 5px;font-size:23px}
    .score-band p{color:#e4d7d7;margin:0}
    .score{color:#ffcf87;font-size:34px;font-weight:850;white-space:nowrap}
    .score small{display:block;font-size:12px;text-align:center;color:#f7e7df}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);background:white}
    table{border-collapse:collapse;width:100%;min-width:740px}
    th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:13px}
    th{background:#f9eeeb;color:#352c2e}
    td:first-child{font-weight:700}
    .good{color:var(--green);font-weight:700}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
    .review{padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
    .review p{font-size:14px;color:#4f494b;margin:0 0 16px}
    .review strong{font-size:13px}
    .review span{display:block;font-size:12px;color:var(--muted)}
    .articles{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .article{padding:17px;border-top:2px solid var(--red);background:#fff}
    .article span{color:var(--red);font-size:12px}
    .article h3{font-size:15px;margin:8px 0}
    .article a{font-size:12px;color:var(--muted);text-decoration:underline}
    .faq-list{max-width:900px}
    details{border-bottom:1px solid var(--line);padding:17px 0}
    summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:18px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--red);font-size:20px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{margin:12px 28px 0 0;color:var(--muted);font-size:14px}
    .contact{background:#f8eeeb}
    .contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
    .contact-info h2{font-size:34px;line-height:1.2;margin:8px 0 14px}
    .contact-info p{color:var(--muted)}
    .contact-lines{display:grid;gap:9px;margin-top:22px;font-size:14px}
    .contact-lines a{color:var(--red);font-weight:700}
    .form{background:white;border:1px solid var(--line);padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .field{display:grid;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 #ddd4d1;background:#fffdfc;padding:11px 12px;border-radius:3px;color:var(--ink)}
    .field textarea{min-height:110px;resize:vertical}
    .form button{grid-column:1/-1;justify-self:start;cursor:pointer}
    .qr{width:128px;margin-top:18px;border:6px solid white}
    .footer{background:#241f20;color:#f6eeee;padding:32px 0 20px}
    .footer-main{display:flex;justify-content:space-between;align-items:start;gap:30px}
    .footer p{color:#d1c4c4;font-size:13px;margin:7px 0}
    .footer-links{display:flex;gap:10px 17px;flex-wrap:wrap;max-width:620px}
    .footer-links a{color:#f4d6cf;font-size:12px}
    .copyright{border-top:1px solid #ffffff26;margin-top:24px;padding-top:14px;color:#cbbdbd;font-size:12px}
    .float-tools{position:fixed;right:16px;bottom:22px;z-index:15;display:grid;gap:8px}
    .float-tools a,.float-tools button{border:1px solid #ead4cf;background:white;color:var(--red);padding:10px 12px;box-shadow:0 4px 18px #40202318;border-radius:4px;font-weight:700;font-size:12px;cursor:pointer}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s,transform .55s}
    .reveal.visible{opacity:1;transform:translateY(0)}
    @media(max-width:900px){.nav-links{display:none;position:absolute;top:71px;left:0;right:0;padding:12px 20px 18px;background:var(--paper);border-bottom:1px solid var(--line);align-items:stretch}.nav-links.open{display:grid;grid-template-columns:repeat(2,1fr)}.nav-links a{padding:10px}.menu-toggle{display:block}.nav-cta{margin-left:auto}.nav{gap:10px}.service-grid{grid-template-columns:repeat(2,1fr)}.industry-grid{grid-template-columns:repeat(2,1fr)}.articles{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:640px){.container{width:min(var(--container),calc(100% - 30px))}.nav{min-height:64px}.brand img{width:34px}.brand{font-size:14px}.nav-links{top:63px}.nav-cta{font-size:11px;padding:8px 9px}.hero-inner{padding:60px 0 42px}h1{font-size:42px}.hero p{font-size:16px}.hero-meta{gap:10px 18px}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}section{padding:54px 0}.section-head{display:block}.section-head p{margin-top:12px}.section-head h2,.intro-grid h2,.contact-info h2{font-size:28px}.intro-grid,.contact-grid{grid-template-columns:1fr;gap:28px}.check-list{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr}.workflow{grid-template-columns:1fr 1fr;gap:15px}.industry-grid{grid-template-columns:1fr 1fr}.case-grid{grid-template-columns:1fr}.score-band{padding:23px;display:block}.score{margin-top:15px}.score small{text-align:left}.reviews{grid-template-columns:1fr}.articles{grid-template-columns:1fr 1fr}.form{padding:17px;grid-template-columns:1fr}.field.full,.form button{grid-column:auto}.footer-main{display:grid}.float-tools{right:8px;bottom:10px}.float-tools a,.float-tools button{padding:8px;font-size:11px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}