:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#fdf8f2;
      --text:#182230;
      --muted:#5d697a;
      --line:#e5e9f2;
      --brand:#7c3aed;
      --brand2:#06b6d4;
      --accent:#ff6b6b;
      --accent2:#ffb703;
      --shadow:0 16px 40px rgba(17,24,39,.08);
      --radius:22px;
      --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","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(124,58,237,.12), transparent 26%),
        radial-gradient(circle at 85% 10%, rgba(6,182,212,.12), transparent 22%),
        linear-gradient(180deg, #fff 0%, var(--bg) 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:100;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(229,233,242,.85);
    }
    .header-inner{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:40px; height:40px; object-fit:contain}
    .brand strong{display:block; font-size:18px; line-height:1.1}
    .brand span{display:block; font-size:12px; color:var(--muted); margin-top:3px}
    .nav-wrap{display:flex; align-items:center; gap:14px}
    .nav-toggle{display:none; border:1px solid var(--line); background:#fff; color:var(--text); border-radius:12px; padding:10px 12px; font-size:14px}
    .nav{
      display:flex; flex-wrap:wrap; gap:8px; align-items:center; justify-content:flex-end;
    }
    .nav a{
      padding:9px 12px; border-radius:999px; color:var(--text); font-size:14px; border:1px solid transparent;
    }
    .nav a:hover,.nav a:focus-visible{background:#fff; border-color:var(--line); box-shadow:0 10px 24px rgba(17,24,39,.06)}
    .hero{
      padding:36px 0 22px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.1fr .9fr; gap:24px; align-items:stretch;
    }
    .hero-main,.hero-side,.card,.panel,.faq-item,.review,.step,.article,.metric,.compare-box,.form-wrap,.timeline,.price-item,.tag-cloud,.network{
      background:var(--panel);
      border:1px solid rgba(229,233,242,.9);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:32px; position:relative; overflow:hidden; background:
      linear-gradient(135deg, rgba(124,58,237,.08), rgba(6,182,212,.05) 55%, rgba(255,183,3,.08));}
    .hero-main:before,.hero-main:after{
      content:""; position:absolute; inset:auto; border-radius:50%;
      background:radial-gradient(circle, rgba(255,107,107,.18), transparent 60%);
      width:220px; height:220px; right:-70px; top:-70px;
    }
    .hero-main:after{width:140px; height:140px; right:18%; top:auto; bottom:-55px; background:radial-gradient(circle, rgba(6,182,212,.18), transparent 60%)}
    .eyebrow{display:inline-flex; align-items:center; gap:8px; padding:8px 12px; background:#fff; border:1px solid var(--line); border-radius:999px; color:var(--brand); font-size:13px; font-weight:700}
    h1{font-size:clamp(32px,4vw,54px); line-height:1.08; margin:18px 0 14px; letter-spacing:-.02em}
    .hero p{margin:0; color:var(--muted); font-size:16px; line-height:1.8}
    .hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:22px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:13px 18px; border-radius:14px; font-weight:700; border:1px solid transparent; transition:.25s ease;
    }
    .btn-primary{background:linear-gradient(135deg, var(--brand), var(--brand2)); color:#fff; box-shadow:0 14px 28px rgba(124,58,237,.25)}
    .btn-secondary{background:#fff; color:var(--text); border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero-notes{display:flex; flex-wrap:wrap; gap:10px; margin-top:20px}
    .chip{padding:9px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:var(--muted); font-size:13px}
    .hero-side{padding:24px; display:grid; gap:14px; align-content:start; background:linear-gradient(180deg,#fff 0%, #fcfbff 100%)}
    .hero-side h2,.section-title{margin:0 0 10px; font-size:28px; line-height:1.15}
    .hero-side p{margin:0; color:var(--muted); line-height:1.75}
    .metric-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin:24px 0 8px}
    .metric{padding:20px}
    .metric strong{display:block; font-size:26px; color:var(--brand); margin-bottom:6px}
    .metric span{color:var(--muted); font-size:14px}
    section{padding:20px 0}
    .section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:18px}
    .section-head p{margin:0; color:var(--muted); max-width:70ch; line-height:1.7}
    .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,.panel,.article,.review,.step,.price-item{padding:20px}
    .card h3,.panel h3,.article h3,.review h3,.step h3{margin:0 0 8px; font-size:18px}
    .card p,.panel p,.article p,.review p,.step p,.price-item p{margin:0; color:var(--muted); line-height:1.75}
    .icon{
      width:44px;height:44px;border-radius:14px; display:grid; place-items:center; margin-bottom:14px;
      background:linear-gradient(135deg, rgba(124,58,237,.12), rgba(6,182,212,.12)); color:var(--brand); font-weight:800;
    }
    .flow{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .step{position:relative}
    .step .num{font-size:13px; color:var(--brand); font-weight:800; margin-bottom:8px}
    .table-wrap{overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow)}
    table{width:100%; border-collapse:collapse; min-width:980px; background:#fff}
    th,td{padding:16px 14px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top}
    th{background:#f8faff; font-size:14px}
    .badge{display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border-radius:999px; background:rgba(124,58,237,.1); color:var(--brand); font-size:12px; font-weight:700}
    .compare-box{padding:22px; background:linear-gradient(135deg, #fff, #fbf7ff)}
    .score{display:flex; align-items:baseline; gap:12px; flex-wrap:wrap}
    .score strong{font-size:44px; color:var(--accent)}
    .faq{display:grid; gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%; border:0; background:transparent; padding:18px 20px; text-align:left; display:flex; justify-content:space-between; gap:16px; align-items:center; font-size:16px; font-weight:700; color:var(--text); cursor:pointer
    }
    .faq-a{max-height:0; overflow:hidden; transition:max-height .35s ease; padding:0 20px}
    .faq-item.open .faq-a{padding-bottom:18px}
    .faq-a p{margin:0; color:var(--muted); line-height:1.8}
    .reviews{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .review .meta{display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px}
    .stars{color:#ffb703; letter-spacing:2px}
    .split{
      display:grid; grid-template-columns:1.05fr .95fr; gap:16px; align-items:start;
    }
    .tag-cloud,.network,.timeline{padding:20px}
    .tags{display:flex; flex-wrap:wrap; gap:10px}
    .tags span{padding:9px 12px; border-radius:999px; background:#f8fafc; border:1px solid var(--line); color:#334155; font-size:13px}
    .timeline-list{display:grid; gap:12px}
    .timeline-item{padding-left:16px; border-left:3px solid rgba(124,58,237,.28)}
    .timeline-item strong{display:block; margin-bottom:4px}
    .articles{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .article .date{color:var(--brand); font-size:13px; font-weight:700; margin-bottom:10px}
    .media-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    .media-grid img,.single-img img{border-radius:18px; border:1px solid var(--line); box-shadow:var(--shadow)}
    .form-wrap form{display:grid; gap:14px}
    .form-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    input,select,textarea{
      width:100%; border:1px solid var(--line); border-radius:14px; padding:13px 14px; font:inherit; color:var(--text); background:#fff; outline:none
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(124,58,237,.55); box-shadow:0 0 0 4px rgba(124,58,237,.08)}
    .submit-row{display:flex; gap:12px; flex-wrap:wrap; align-items:center}
    .footer{
      margin-top:22px; padding:28px 0 34px; background:#0f172a; color:#e2e8f0;
    }
    .footer a{color:#fff}
    .footer .muted{color:#cbd5e1}
    .footer-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:18px}
    .footer .mini{font-size:14px; line-height:1.8}
    .foot-links{display:flex; flex-wrap:wrap; gap:10px; margin-top:10px}
    .foot-links a{padding:8px 12px; border-radius:999px; background:rgba(255,255,255,.08)}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:120; display:grid; gap:10px
    }
    .float-btn{
      width:50px; height:50px; border-radius:50%; display:grid; place-items:center; background:linear-gradient(135deg, var(--brand), var(--brand2)); color:#fff; box-shadow:0 16px 30px rgba(2,6,23,.22); border:0; cursor:pointer
    }
    .customer-box{
      position:fixed; left:16px; bottom:16px; z-index:120; width:min(280px, calc(100vw - 32px)); background:#fff; border:1px solid var(--line); box-shadow:var(--shadow); border-radius:20px; overflow:hidden
    }
    .customer-box header{padding:14px 16px; background:linear-gradient(135deg, rgba(124,58,237,.1), rgba(6,182,212,.08))}
    .customer-box .body{padding:14px 16px; display:grid; gap:10px}
    .customer-box .body p{margin:0; color:var(--muted); font-size:14px; line-height:1.7}
    .customer-box img{width:100%; border-radius:14px; border:1px solid var(--line)}
    .scroll-top{opacity:0; visibility:hidden; transform:translateY(10px); transition:.25s ease}
    .scroll-top.show{opacity:1; visibility:visible; transform:translateY(0)}
    .reveal{opacity:0; transform:translateY(18px); transition:.6s ease}
    .reveal.show{opacity:1; transform:translateY(0)}
    .small{font-size:13px; color:var(--muted)}
    .center{text-align:center}
    .topline{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
    .quote{padding:18px; background:linear-gradient(135deg, rgba(255,107,107,.08), rgba(255,183,3,.08)); border-radius:18px; border:1px solid var(--line)}
    @media (max-width: 980px){
      .hero-grid,.split,.grid-3,.grid-2,.flow,.reviews,.articles,.footer-grid,.metric-grid{grid-template-columns:1fr 1fr}
      .hero-grid,.split,.footer-grid{grid-template-columns:1fr}
      .flow,.reviews,.articles{grid-template-columns:1fr}
      .grid-3{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .nav-toggle{display:inline-flex}
      .nav{
        display:none; position:absolute; left:16px; right:16px; top:68px; padding:12px; background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow)
      }
      .nav.open{display:flex}
      .header-inner{position:relative}
      .nav-wrap{margin-left:auto}
      .form-grid{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .hero-main,.hero-side,.card,.panel,.faq-item,.review,.step,.article,.metric,.compare-box,.form-wrap,.timeline,.price-item,.tag-cloud,.network{border-radius:18px}
      .hero-main{padding:22px}
      .hero-side,.card,.panel,.review,.step,.article,.metric,.compare-box,.form-wrap,.timeline,.price-item,.tag-cloud,.network{padding:18px}
      h1{font-size:30px}
      .section-head{flex-direction:column; align-items:flex-start}
      .metric-grid{grid-template-columns:1fr}
      .customer-box{display:none}
    }