:root{
      --bg:#f6f3ee;
      --panel:#fffaf3;
      --panel-2:#ffffff;
      --text:#1d2433;
      --muted:#5d677b;
      --line:rgba(29,36,51,.12);
      --brand:#1a7cff;
      --brand-2:#7c3aed;
      --accent:#ff5c7a;
      --accent-2:#ffb347;
      --good:#0d8f6f;
      --shadow:0 14px 40px rgba(27, 43, 82, .10);
      --shadow-soft:0 10px 24px rgba(27, 43, 82, .08);
      --radius:22px;
      --radius-sm:16px;
      --max: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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(26,124,255,.12), transparent 28%),
        radial-gradient(circle at 80% 10%, rgba(255,92,122,.12), transparent 22%),
        linear-gradient(180deg, #fbf8f3 0%, #f6f3ee 55%, #f4f7fb 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    header,main,footer{position:relative}
    .topbar{
      position:sticky;top:0;z-index:40;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(255,250,243,.82);
      border-bottom:1px solid rgba(29,36,51,.08);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand strong{display:block;font-size:16px;line-height:1.15}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--text);opacity:.88}
    .nav-links a:hover,.nav-links a.active{color:var(--brand)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn,.btn-outline{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;padding:11px 16px;font-weight:700;font-size:14px;
      transition:.25s ease; border:1px solid transparent; white-space:nowrap;
    }
    .btn{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 10px 24px rgba(26,124,255,.22)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(26,124,255,.28)}
    .btn-outline{background:rgba(255,255,255,.72);border-color:rgba(29,36,51,.12);color:var(--text)}
    .btn-outline:hover{border-color:rgba(26,124,255,.35);color:var(--brand);transform:translateY(-1px)}
    .menu-btn{
      display:none;border:1px solid var(--line);background:rgba(255,255,255,.86);border-radius:14px;
      width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;color:var(--text)
    }
    .menu-btn span{display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:3px}
    .menu-btn span:before,.menu-btn span:after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:3px}
    .menu-btn span:before{top:-6px}.menu-btn span:after{top:6px}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-card,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,250,243,.96));
      border:1px solid rgba(29,36,51,.09);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-card{padding:30px;overflow:hidden;position:relative}
    .hero-card:before,.hero-card:after{
      content:"";position:absolute;border-radius:50%;filter:blur(0);
      pointer-events:none
    }
    .hero-card:before{right:-40px;top:-28px;width:160px;height:160px;background:radial-gradient(circle, rgba(124,58,237,.18), transparent 65%)}
    .hero-card:after{right:80px;bottom:-50px;width:180px;height:180px;background:radial-gradient(circle, rgba(26,124,255,.15), transparent 65%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(26,124,255,.10);color:#1558cc;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:700}
    h1{margin:14px 0 12px;font-size:clamp(30px, 4vw, 50px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:62ch}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0}
    .point{
      background:rgba(255,255,255,.72);border:1px solid rgba(29,36,51,.09);border-radius:18px;padding:14px 14px 13px;
      box-shadow:var(--shadow-soft)
    }
    .point strong{display:block;font-size:14px;margin-bottom:4px}
    .point span{display:block;font-size:13px;color:var(--muted)}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px}
    .mini-note{font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:16px}
    .stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .stat{padding:18px;background:linear-gradient(180deg,#ffffff 0%,#fff8ee 100%);border:1px solid rgba(29,36,51,.09);border-radius:20px;box-shadow:var(--shadow-soft)}
    .stat b{display:block;font-size:28px;line-height:1;color:var(--brand);margin-bottom:8px}
    .stat span{font-size:13px;color:var(--muted)}
    .hero-note{padding:18px 18px 20px}
    .hero-note h2{margin:0 0 10px;font-size:18px}
    .hero-note ul{margin:0;padding-left:18px;color:var(--text)}
    .hero-note li{margin:8px 0;color:var(--muted)}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(24px,2.6vw,34px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .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}
    .card{background:rgba(255,255,255,.86);border:1px solid rgba(29,36,51,.09);border-radius:22px;box-shadow:var(--shadow-soft);padding:20px}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p,.card li{color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid rgba(29,36,51,.1);font-size:13px;box-shadow:var(--shadow-soft)}
    .compare{
      width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:20px;border:1px solid rgba(29,36,51,.1);background:#fff;
      min-width:760px
    }
    .table-wrap{overflow:auto;border-radius:20px;box-shadow:var(--shadow-soft)}
    .compare th,.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(29,36,51,.08);vertical-align:top}
    .compare th{background:#f9fbff;color:#20304d;font-size:14px}
    .compare tr:last-child td{border-bottom:none}
    .highlight{background:linear-gradient(135deg, rgba(26,124,255,.08), rgba(255,92,122,.08))}
    .score{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap
    }
    .stars{color:#ffb347;letter-spacing:2px;font-size:18px}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;padding:18px 18px 20px;border-radius:22px;background:#fff;border:1px solid rgba(29,36,51,.09);box-shadow:var(--shadow-soft)}
    .step .num{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--brand));color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
    .step h3{margin:0 0 8px;font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .cases,.reviews,.articles,.network{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .case img,.media img{border-radius:18px;border:1px solid rgba(29,36,51,.08)}
    .case .meta{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);margin-top:12px}
    .quote{font-size:15px;color:var(--text);min-height:96px}
    .author{margin-top:14px;font-weight:700}
    .author span{display:block;font-weight:400;color:var(--muted);font-size:13px}
    .faq{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid rgba(29,36,51,.1);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-soft)}
    .faq-q{width:100%;border:0;background:transparent;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:16px;font-weight:700;color:var(--text);cursor:pointer;text-align:left}
    .faq-q:after{content:"+";font-size:22px;color:var(--brand);transition:.2s}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:16px}
    .form-card form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1 / -1}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid rgba(29,36,51,.14);border-radius:14px;background:#fff;padding:13px 14px;
      color:var(--text);font:inherit;outline:none;transition:.2s
    }
    textarea{min-height:128px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(26,124,255,.5);box-shadow:0 0 0 4px rgba(26,124,255,.10)}
    .submit-row{grid-column:1 / -1;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .footer{
      margin-top:18px;padding:24px 0 28px;background:#10203a;color:#e8eef9
    }
    .footer a{color:#ffffff}
    .footer .muted{color:#b8c4da}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px;align-items:start}
    .footer .brand img{background:#fff}
    .footer small{display:block;color:#b8c4da;margin-top:10px}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:50;display:grid;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;border:1px solid rgba(29,36,51,.1);background:#fff;display:grid;place-items:center;
      box-shadow:var(--shadow-soft)
    }
    .float-btn:hover{transform:translateY(-2px)}
    .side-badge{
      display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:18px;background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);border:1px solid rgba(29,36,51,.08)
    }
    .side-badge img{width:76px;height:76px;object-fit:cover;border-radius:14px;border:1px solid rgba(29,36,51,.08)}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .intro-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .intro-list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
    .intro-list li:before{content:"";width:10px;height:10px;margin-top:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent))}
    .price-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .price{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff, #fff8ef);border:1px solid rgba(29,36,51,.09)}
    .price strong{display:block;font-size:18px;margin-bottom:6px}
    .price .v{font-size:28px;font-weight:900;color:var(--brand)}
    .timeline{display:grid;gap:14px}
    .time-item{display:grid;grid-template-columns:100px 1fr;gap:14px;align-items:start;padding:16px 18px;border-radius:18px;background:#fff;border:1px solid rgba(29,36,51,.09)}
    .time-item b{color:var(--brand)}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.cases,.reviews,.articles,.network,.footer-grid,.workflow,.price-list,.two-col,.grid-2{grid-template-columns:1fr}
      .time-item{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:inline-flex}
      .nav.open .nav-links{
        display:flex;position:absolute;left:0;right:0;top:100%;padding:14px 16px 18px;background:rgba(255,250,243,.98);
        border-bottom:1px solid rgba(29,36,51,.08);flex-direction:column;align-items:flex-start;gap:12px
      }
      .nav.open .nav-actions{display:flex}
      .hero-points,.stats,.form-card form{grid-template-columns:1fr}
      .submit-row{grid-column:1}
      .hero-card{padding:24px}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero{padding-top:22px}
      .hero-card,.card{padding:18px}
      h1{font-size:30px}
      .btn,.btn-outline{width:100%}
      .hero-cta,.nav-actions{width:100%}
      .nav{position:relative;flex-wrap:wrap}
    }