:root{
      --bg:#f7f4ee;
      --bg2:#fffaf1;
      --card:#ffffff;
      --text:#1d2433;
      --muted:#5f697d;
      --line:#e7decf;
      --brand:#ff6f61;
      --brand2:#ffb84d;
      --brand3:#4db6ff;
      --success:#2f9e72;
      --shadow:0 18px 42px rgba(31, 41, 55, .08);
      --shadow2:0 10px 24px rgba(31, 41, 55, .06);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:
      radial-gradient(circle at top left, rgba(255,111,97,.12), transparent 24%),
      radial-gradient(circle at top right, rgba(77,182,255,.12), transparent 20%),
      linear-gradient(180deg,var(--bg2),var(--bg));color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,238,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,222,207,.7)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .ai-page-logo{width:40px;height:40px;object-fit:contain;border-radius:12px;background:#fff;padding:5px;box-shadow:var(--shadow2)}
    .brand strong{display:block;font-size:16px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:14px;padding:10px 12px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#344055;padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand3));border-radius:999px;transition:.25s}
    .nav-links a:hover::after{width:100%}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:12px 18px;font-weight:600;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(255,111,97,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,111,97,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#d8c9b3}
    main{padding-bottom:26px}
    .hero{padding:34px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:20px;align-items:stretch}
    .hero-panel,.glass-card,.section-card{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,251,245,.98));border:1px solid rgba(231,222,207,.92);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-panel{padding:30px;position:relative;overflow:hidden}
    .hero-panel::before,.hero-panel::after{content:"";position:absolute;border-radius:999px;filter:blur(3px);opacity:.9}
    .hero-panel::before{width:220px;height:220px;background:radial-gradient(circle, rgba(255,184,77,.35), transparent 65%);right:-70px;top:-50px}
    .hero-panel::after{width:180px;height:180px;background:radial-gradient(circle, rgba(77,182,255,.30), transparent 68%);left:-60px;bottom:-50px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:rgba(255,111,97,.1);color:#b13f34;border-radius:999px;font-size:13px;font-weight:600}
    h1{margin:14px 0 12px;font-size:clamp(32px,5vw,54px);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .tag{padding:9px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;color:#39465d;font-size:13px}
    .side-card{padding:24px}
    .side-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
    .mini-kpi{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .kpi{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff7ef);border:1px solid var(--line)}
    .kpi strong{display:block;font-size:22px}
    .kpi span{display:block;font-size:12px;color:var(--muted)}
    .section{padding:10px 0 22px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:8px 0 16px}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,34px)}
    .section-head p{margin:0;color:var(--muted);max-width:64ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2);transition:.25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p,.card li{color:var(--muted)}
    .icon{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(255,111,97,.16),rgba(77,182,255,.14));margin-bottom:14px;color:#bb4c3f;font-weight:700}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#384357;font-size:13px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:18px 18px 18px 0;border-bottom:1px dashed var(--line)}
    .step:last-child{border-bottom:none}
    .num{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;display:grid;place-items:center;font-weight:700}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #f0e7d8;text-align:left;vertical-align:top}
    th{background:#fff7ee;color:#2d3649}
    tr:last-child td{border-bottom:none}
    .highlight{color:#b13f34;font-weight:700}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 18px;background:#fff;border:0;color:var(--text);font-size:16px;font-weight:600;text-align:left;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{padding:0 18px 18px;max-height:180px}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:20px;border-radius:22px;background:linear-gradient(180deg,#fff,#fffaf4);border:1px solid var(--line);box-shadow:var(--shadow2)}
    .review .meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;color:var(--muted);font-size:13px}
    .stars{color:#f0a300;letter-spacing:1px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article{padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2)}
    .article time{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    form{display:grid;gap:12px}
    label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
    input,select,textarea{width:100%;padding:13px 14px;border:1px solid #d8ceb9;border-radius:14px;background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ffab8f;box-shadow:0 0 0 4px rgba(255,111,97,.12)}
    .aside-box{padding:24px;background:linear-gradient(180deg,#fff7f0,#fff);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow2)}
    .aside-box .ai-page-image{border-radius:18px;overflow:hidden;margin:14px 0}
    .footer{margin-top:8px;padding:24px 0 82px;background:#f4efe7;border-top:1px solid var(--line);color:#2d3649}
    .footer a{color:#2d3649}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:16px}
    .footer small{color:#5f697d}
    .social-row,.link-row{display:flex;flex-wrap:wrap;gap:10px}
    .link-row a,.social-row a{padding:8px 12px;border-radius:999px;border:1px solid #d9d0bf;background:#fff}
    .floating{position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(255,111,97,.28)}
    .float-btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .service-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .strip{padding:16px;border-radius:18px;border:1px solid var(--line);background:#fff}
    .accordion-list{display:grid;gap:12px}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case{padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2)}
    .case .imgbox{margin-top:14px;border-radius:18px;overflow:hidden;background:#f8f2e8;border:1px solid #efe2cf}
    .banner-img{margin-top:18px;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
    .service-map{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .service-map div{padding:16px;border:1px solid var(--line);background:#fff;border-radius:18px;color:#3a465a}
    .muted{color:var(--muted)}
    .topline{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .home-link{font-weight:700;color:#b13f34}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.reviews,.articles,.form-grid,.footer-grid,.case-grid,.service-strip,.service-map{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open .nav-links{display:flex;position:absolute;left:16px;right:16px;top:66px;flex-direction:column;align-items:flex-start;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .nav.open .nav-cta{display:flex;flex-wrap:wrap}
      .nav{position:relative}
      .section-head{align-items:start;flex-direction:column}
      .service-strip,.service-map{display:grid}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}