:root{
      --bg:#fffaf4;
      --bg2:#fff1e2;
      --card:#ffffff;
      --text:#18212f;
      --muted:#5d6677;
      --line:#eadfd0;
      --brand:#0f3cff;
      --brand2:#ff5c3d;
      --brand3:#ffb100;
      --ok:#0f9d58;
      --shadow:0 18px 45px rgba(25,35,60,.10);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(15,60,255,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(255,92,61,.10), transparent 24%),
        linear-gradient(180deg,var(--bg),#ffffff 36%,#fffdf9 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(12px);
      background:rgba(255,250,244,.82);
      border-bottom:1px solid rgba(234,223,208,.8);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand-txt{display:flex;flex-direction:column;line-height:1.1}
    .brand-txt strong{font-size:18px;letter-spacing:.5px}
    .brand-txt span{font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .nav a{font-size:14px;color:var(--muted);padding:8px 0;position:relative}
    .nav a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:.25s}
    .nav a:hover{color:var(--text)}
    .nav a:hover::after,.nav a.active::after{width:100%}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;border-radius:999px;padding:13px 18px;font-weight:700;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      cursor:pointer;white-space:nowrap
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#3e7bff);color:#fff}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .hero{
      padding:42px 0 30px;
      position:relative;
      overflow:hidden;
    }
    .hero::before,.hero::after{
      content:"";position:absolute;border-radius:50%;filter:blur(0);
      pointer-events:none;opacity:.55
    }
    .hero::before{width:280px;height:280px;background:rgba(255,92,61,.10);right:-90px;top:30px}
    .hero::after{width:220px;height:220px;background:rgba(15,60,255,.10);left:-70px;bottom:20px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-panel,.section-card,.faq-item,.review-card,.info-card,.case-card,.article-card,.pricing-card,.timeline-card,.contact-card,.compare-card,.benefit-card,.service-card{
      background:var(--card);
      border:1px solid rgba(234,223,208,.85);
      border-radius:var(--radius);
      box-shadow:var(--shadow)
    }
    .hero-copy{padding:30px;position:relative;overflow:hidden}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(15,60,255,.09);color:var(--brand);padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(32px,5vw,54px);line-height:1.06;margin:18px 0 14px;letter-spacing:-.5px}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:58ch;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini-stat{padding:16px;border-radius:16px;background:linear-gradient(180deg,#fff,#fff8ef);border:1px solid var(--line)}
    .mini-stat b{display:block;font-size:20px;color:var(--text)}
    .mini-stat span{font-size:13px;color:var(--muted)}
    .hero-panel{padding:24px;display:flex;flex-direction:column;gap:16px}
    .panel-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .chip{display:inline-flex;align-items:center;padding:7px 12px;border-radius:999px;background:linear-gradient(135deg,rgba(255,92,61,.12),rgba(255,177,0,.12));color:#9a4a00;font-size:13px;font-weight:700}
    .panel-list{display:grid;gap:12px}
    .panel-item{display:flex;align-items:flex-start;gap:12px;padding:14px;border-radius:16px;background:#fff9f0;border:1px solid #f0e3cf}
    .panel-item svg{flex:0 0 auto;margin-top:1px}
    .section{padding:18px 0 28px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .info-card,.benefit-card,.service-card,.pricing-card,.timeline-card,.compare-card,.contact-card,.case-card,.article-card,.review-card,.faq-item{padding:22px}
    .info-card h3,.benefit-card h3,.service-card h3,.pricing-card h3,.timeline-card h3,.compare-card h3,.contact-card h3,.case-card h3,.article-card h3,.review-card h3{margin:0 0 10px;font-size:18px}
    .muted{color:var(--muted);line-height:1.75}
    .metric{font-size:30px;font-weight:800;color:var(--brand);margin-bottom:6px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#445}
    .service-card ul,.check-list,.article-card ul,.case-card ul{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .check-list li,.article-card li,.case-card li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);line-height:1.7}
    .check{width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,var(--ok),#4fd18f);position:relative;flex:0 0 auto;margin-top:3px}
    .check::after{content:"";position:absolute;left:5px;top:3px;width:6px;height:9px;border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
    .process{counter-reset:step}
    .process .timeline-card{position:relative}
    .process .timeline-card::before{counter-increment:step;content:counter(step,decimal-leading-zero);display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),#7b8fff);color:#fff;font-weight:800;margin-bottom:14px}
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}
    th{background:#fff7ef;color:var(--text);font-size:14px}
    td{color:var(--muted)}
    .highlight{color:var(--brand);font-weight:700}
    .compare-badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(15,60,255,.08);color:var(--brand);font-weight:700;margin-bottom:12px}
    .rating{display:flex;align-items:center;gap:10px;margin:10px 0 16px}
    .stars{color:#ff9c00;font-size:20px;letter-spacing:2px}
    .compare-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;border:0;background:#fff;padding:18px 20px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:16px;font-weight:700;color:var(--text);cursor:pointer}
    .faq-a{padding:0 20px 18px;color:var(--muted);line-height:1.8;display:none}
    .faq-item.active .faq-a{display:block}
    .faq-item.active .faq-q svg{transform:rotate(180deg)}
    .faq-q svg{transition:transform .2s ease}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,rgba(15,60,255,.16),rgba(255,92,61,.16));display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--brand)}
    .case-grid,.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid #dcd3c7;background:#fff;border-radius:14px;
      padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(15,60,255,.5);box-shadow:0 0 0 4px rgba(15,60,255,.10)}
    .full{grid-column:1 / -1}
    .contact-wrap{display:grid;grid-template-columns:1fr .8fr;gap:16px}
    .contact-list{display:grid;gap:12px}
    .contact-line{display:flex;align-items:flex-start;gap:12px;padding:14px;border-radius:16px;background:#fff8f1;border:1px solid #f0e3cf}
    .contact-line strong{display:block;margin-bottom:3px}
    .footer{
      margin-top:8px;padding:26px 0 22px;border-top:1px solid rgba(234,223,208,.9);
      background:linear-gradient(180deg,#fffdf9,#fff7ee)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
    .footer h3{margin:0 0 12px;font-size:17px}
    .footer a{color:#24324a}
    .footer p,.footer li{color:#566172;line-height:1.8}
    .footer ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid #ece3d6;color:#667}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:18px;border:0;background:linear-gradient(135deg,var(--brand),#446dff);
      color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);cursor:pointer
    }
    .float-box{
      position:fixed;right:18px;bottom:84px;z-index:60;width:min(360px,calc(100vw - 36px));
      background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:18px;display:none
    }
    .float-box.active{display:block}
    .float-box .qrcode{display:flex;align-items:center;gap:14px}
    .float-box img{width:110px;height:110px;object-fit:cover;border-radius:16px;border:1px solid #eee}
    .scroll-top{position:fixed;right:18px;bottom:142px;z-index:60}
    .fade-up{opacity:0;transform:translateY(18px);transition:opacity .7s ease, transform .7s ease}
    .fade-up.in{opacity:1;transform:translateY(0)}
    @media (max-width: 980px){
      .hero-grid,.compare-grid,.contact-wrap,.footer-grid,.grid-4,.grid-3,.case-grid,.article-grid,.reviews{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      .nav{
        display:none;position:absolute;left:20px;right:20px;top:72px;background:#fff;border:1px solid var(--line);
        border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:10px
      }
      .nav.open{display:flex}
      .hero-grid,.compare-grid,.contact-wrap,.footer-grid,.grid-4,.grid-3,.grid-2,.case-grid,.article-grid,.reviews,.hero-points,.form-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero{padding-top:22px}
      .hero-copy{padding:24px}
      .hero-panel{padding:20px}
      .floating,.scroll-top,.float-box{right:12px}
      .float-box{bottom:78px}
      .hero-points{margin-top:18px}
    }