:root{
      --bg:#fff8f4;
      --surface:#ffffff;
      --surface-2:#fff0ea;
      --text:#1f2430;
      --muted:#5d6475;
      --line:rgba(31,36,48,.10);
      --primary:#ff4d6d;
      --primary-2:#ff8a00;
      --accent:#6b5cff;
      --accent-2:#00c2ff;
      --good:#1aa36f;
      --shadow:0 16px 40px rgba(31,36,48,.10);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(255,77,109,.12), transparent 22%),
        radial-gradient(circle at 90% 0%, rgba(0,194,255,.10), transparent 22%),
        linear-gradient(180deg, #fffdfc 0%, var(--bg) 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(255,252,250,.84);
      border-bottom:1px solid rgba(31,36,48,.08);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      min-height:76px;padding:10px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo{
      width:44px;height:44px;border-radius:14px;object-fit:contain;background:#fff;border:1px solid var(--line);padding:6px;box-shadow:0 8px 24px rgba(255,77,109,.10)
    }
    .brand h2{margin:0;font-size:18px;line-height:1.1}
    .brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
    .nav-links{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:flex-end}
    .nav-links a,.chip,.btn,.outline-btn,.mini-link{
      border-radius:999px;padding:10px 14px;font-size:14px;line-height:1;border:1px solid transparent;transition:.25s ease;
    }
    .nav-links a{color:var(--text);background:transparent}
    .nav-links a:hover,.nav-links a:focus,.chip:hover,.btn:hover,.outline-btn:hover,.mini-link:hover{transform:translateY(-1px)}
    .nav-links a:hover{background:rgba(255,77,109,.08);border-color:rgba(255,77,109,.14)}
    .cta-mini{display:flex;align-items:center;gap:10px}
    .btn{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;font-weight:700;box-shadow:0 12px 28px rgba(255,77,109,.28);
    }
    .outline-btn{
      background:#fff;color:var(--text);border-color:var(--line)
    }
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{padding:28px 0 16px}
    .hero-grid{
      display:grid;grid-template-columns:1.25fr .75fr;gap:18px;align-items:stretch
    }
    .hero-main,.hero-side,.panel,.card,.faq-item,.quote,.form-card,.article-card,.case-card,.compare-card,.timeline-card,.tag-cloud,.pricing-card,.network-card{
      background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-main{
      padding:34px;position:relative;overflow:hidden;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,77,109,.14), transparent 26%),
        radial-gradient(circle at 90% 10%, rgba(107,92,255,.14), transparent 22%),
        linear-gradient(135deg,#fff,#fff8f4 70%);
    }
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;inset:auto;border-radius:50%;pointer-events:none
    }
    .hero-main:before{width:220px;height:220px;right:-70px;top:-50px;background:radial-gradient(circle,rgba(0,194,255,.18),transparent 68%)}
    .hero-main:after{width:260px;height:260px;left:-110px;bottom:-130px;background:radial-gradient(circle,rgba(255,138,0,.16),transparent 66%)}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border-radius:999px;background:rgba(255,77,109,.09);color:#b12443;font-weight:700;font-size:13px}
    h1{margin:16px 0 12px;font-size:clamp(32px,5vw,54px);line-height:1.05;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .stat{
      background:rgba(255,255,255,.75);border:1px solid rgba(31,36,48,.08);border-radius:18px;padding:14px
    }
    .stat strong{display:block;font-size:22px;color:#111}
    .stat span{display:block;margin-top:4px;font-size:13px;color:var(--muted);line-height:1.5}
    .hero-side{padding:20px;background:linear-gradient(180deg,#fff,#fff6f2)}
    .side-block{padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(255,77,109,.08),rgba(107,92,255,.06));border:1px solid rgba(31,36,48,.07);margin-bottom:14px}
    .side-block h3{margin:0 0 8px;font-size:18px}
    .side-block p,.small{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .tag-list,.cloud{
      display:flex;flex-wrap:wrap;gap:10px
    }
    .chip{background:#fff;color:#31384a;border-color:var(--line)}
    .section{padding:14px 0 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:26px 0 14px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:64ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .card{padding:20px}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,77,109,.14),rgba(255,138,0,.14));
      color:#c71f45;font-weight:800;margin-bottom:14px
    }
    .panel{padding:18px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 16px;border-bottom:1px solid rgba(31,36,48,.08);text-align:left;font-size:14px;vertical-align:top}
    th{background:#fff6f2;color:#18202d}
    tr:hover td{background:rgba(255,77,109,.03)}
    .rating{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
    .stars{color:#ff9f1c;font-size:18px;letter-spacing:1px}
    .comparison{display:grid;grid-template-columns:1.05fr .95fr;gap:14px}
    .compare-card{padding:20px}
    .compare-card ul{margin:0;padding:0;list-style:none;display:grid;gap:12px}
    .compare-card li{display:flex;gap:10px;align-items:flex-start;color:var(--text);line-height:1.6}
    .check{width:22px;height:22px;border-radius:50%;background:rgba(26,163,111,.14);color:var(--good);display:grid;place-items:center;flex:0 0 auto;margin-top:1px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline .card{position:relative}
    .timeline .step{font-size:12px;font-weight:800;color:#b12443;margin-bottom:8px;text-transform:uppercase;letter-spacing:.08em}
    .timeline .card:after{
      content:"";position:absolute;right:-7px;top:24px;width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent))
    }
    .timeline .card:last-child:after{display:none}
    .case-card img,.article-card img{width:100%;border-radius:16px;border:1px solid var(--line);aspect-ratio:16/9;object-fit:cover;background:#fff}
    .case-card .body,.article-card .body{padding-top:14px}
    .meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
    .meta span{font-size:12px;padding:6px 10px;border-radius:999px;background:#f8f4ff;color:#4c3fb0}
    .faq-item summary{
      list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";font-size:20px;color:var(--primary)}
    .faq-item[open] summary:after{content:"−"}
    .faq-item .answer{padding:0 20px 18px;color:var(--muted);line-height:1.8}
    .quotes .quote{padding:18px}
    .quote .who{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
    .quote strong{font-size:15px}
    .quote span{font-size:12px;color:#b12443;background:rgba(255,77,109,.1);padding:5px 9px;border-radius:999px}
    .quote p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .form-card form{display:grid;gap:12px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    input,select,textarea{
      width:100%;padding:13px 14px;border:1px solid rgba(31,36,48,.14);border-radius:14px;background:#fff;color:var(--text);font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:124px;resize:vertical;grid-column:1/-1}
    input:focus,select:focus,textarea:focus{border-color:rgba(255,77,109,.5);box-shadow:0 0 0 4px rgba(255,77,109,.12)}
    .submit-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
    .hint{font-size:13px;color:var(--muted);line-height:1.6}
    .footer{
      margin-top:24px;background:#111827;color:#f6f7fb
    }
    .footer a{color:#fff}
    .footer .container{padding:34px 0}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:20px}
    .footer p,.footer li,.footer .small{color:#d5d9e4}
    .footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .links a{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.08)}
    .copyright{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#d5d9e4}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border-radius:16px;border:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 14px 30px rgba(31,36,48,.16);cursor:pointer
    }
    .side-contact{
      position:fixed;left:16px;bottom:16px;z-index:60;max-width:280px;
      background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden
    }
    .side-contact .head{padding:12px 14px;background:linear-gradient(135deg,rgba(255,77,109,.12),rgba(255,138,0,.10));font-weight:700}
    .side-contact .body{padding:14px;display:grid;gap:10px}
    .side-contact img{border-radius:14px;border:1px solid var(--line)}
    .mobile-nav{display:none}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .tag-cloud .chip{font-size:13px}
    .service-net{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px
    }
    .pricing-card .price{
      font-size:30px;font-weight:800;color:#111;margin:8px 0
    }
    .muted{color:var(--muted)}
    .scroll-x{overflow:auto}
    .anchor{scroll-margin-top:96px}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 1024px){
      .hero-grid,.comparison,.footer-grid,.grid-4,.grid-3,.grid-2,.timeline,.service-net,.article-list{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .nav-links{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .mobile-nav{display:none;padding:0 0 12px}
      .mobile-nav.open{display:block}
      .mobile-nav .panel{padding:12px;display:flex;flex-wrap:wrap;gap:10px}
      .hero-grid,.comparison,.footer-grid,.grid-4,.grid-3,.grid-2,.timeline,.service-net,.article-list,.form-grid{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .hero-meta{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .floating{right:12px;bottom:12px}
      .side-contact{left:12px;right:12px;max-width:none}
      .side-contact .body{grid-template-columns:1fr}
    }