:root{
      --bg:#f7f8fc;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#5f6b85;
      --line:#dde4f2;
      --primary:#4f46e5;
      --primary2:#ff6b4a;
      --accent:#12b8a6;
      --warm:#fff4ea;
      --shadow:0 18px 50px rgba(30, 42, 90, .10);
      --shadow2:0 12px 30px rgba(30, 42, 90, .08);
      --radius:22px;
      --radius2:16px;
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(79,70,229,.10), transparent 24%),
        radial-gradient(circle at top right, rgba(255,107,74,.08), transparent 20%),
        linear-gradient(180deg, #ffffff 0%, #f7f8fc 38%, #f4f7ff 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(160%) blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(221,228,242,.85);
    }
    .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:10px; background:#fff; border:1px solid var(--line)}
    .brand h1{margin:0; font-size:18px; line-height:1.1; font-weight:800}
    .brand small{display:block; color:var(--muted); font-size:12px; margin-top:3px}
    .nav-actions{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
    .menu-btn{
      display:none; border:1px solid var(--line); background:#fff; color:var(--text);
      padding:10px 12px; border-radius:12px; cursor:pointer; box-shadow:var(--shadow2)
    }
    .nav-links{display:flex; align-items:center; gap:8px; flex-wrap:wrap}
    .nav-links a{
      padding:9px 11px; border-radius:999px; color:var(--muted); font-size:14px;
      transition:.2s ease; border:1px solid transparent
    }
    .nav-links a:hover{color:var(--text); background:#fff; border-color:var(--line); box-shadow:var(--shadow2)}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:none; border-radius:14px; padding:12px 18px; font-weight:700; cursor:pointer;
      transition:.22s ease; box-shadow:var(--shadow2)
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),#7c3aed); color:#fff}
    .btn-primary:hover{transform:translateY(-2px); box-shadow:0 18px 32px rgba(79,70,229,.24)}
    .btn-secondary{background:#fff; color:var(--text); border:1px solid var(--line)}
    .btn-secondary:hover{transform:translateY(-2px); border-color:#c8d2ea}
    .hero{
      position:relative;
      padding:34px 0 18px;
      overflow:hidden;
    }
    .hero:before,.hero:after{
      content:""; position:absolute; inset:auto; border-radius:999px; filter:blur(2px); pointer-events:none;
    }
    .hero:before{width:220px;height:220px; background:rgba(255,107,74,.12); right:-60px; top:26px}
    .hero:after{width:180px;height:180px; background:rgba(18,184,166,.12); left:-40px; bottom:0}
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:22px; align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.compare,.form-card,.article-card,.review-card,.timeline-item,.price-card{
      background:var(--card); border:1px solid rgba(221,228,242,.9); border-radius:var(--radius); box-shadow:var(--shadow)
    }
    .hero-main{
      padding:32px;
      position:relative;
      background:
        linear-gradient(135deg, rgba(79,70,229,.08), rgba(255,107,74,.05) 52%, rgba(18,184,166,.08)),
        #fff;
    }
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px;
      background:rgba(79,70,229,.08); color:#3a42c6; font-weight:700; font-size:13px;
    }
    .hero h2{margin:16px 0 14px; font-size:clamp(30px, 5vw, 52px); line-height:1.05}
    .hero p{margin:0; color:var(--muted); font-size:16px; line-height:1.85; max-width:58ch}
    .hero-points{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin:22px 0}
    .mini-stat{
      background:rgba(255,255,255,.82); border:1px solid var(--line); border-radius:18px; padding:14px 14px 12px;
    }
    .mini-stat strong{display:block; font-size:20px; margin-bottom:3px}
    .mini-stat span{color:var(--muted); font-size:13px; line-height:1.45}
    .hero-cta{display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin-top:18px}
    .hero-badges{display:flex; gap:10px; flex-wrap:wrap; margin-top:18px}
    .tag{padding:8px 12px; border-radius:999px; background:var(--warm); border:1px solid #ffd9bf; color:#a74924; font-size:13px; font-weight:600}
    .hero-side{padding:22px}
    .side-box{padding:18px; border-radius:18px; background:linear-gradient(180deg,#ffffff,#f8faff); border:1px solid var(--line)}
    .side-box + .side-box{margin-top:12px}
    .side-title{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px}
    .side-title h3{margin:0; font-size:16px}
    .side-title span{color:var(--muted); font-size:13px}
    .link-list{display:grid; gap:8px}
    .link-list a{color:#344064; font-size:14px}
    .link-list a:hover{color:var(--primary)}
    .section{padding:18px 0}
    .section-title{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:14px}
    .section-title h2{margin:0; font-size:26px}
    .section-title p{margin:0; color:var(--muted); max-width:60ch; 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:10px 0 8px; font-size:18px}
    .card p,.card li,.panel p,.quote p,.article-card p,.review-card p{color:var(--muted); line-height:1.8; margin:0}
    .icon{
      width:44px; height:44px; border-radius:14px; display:grid; place-items:center;
      background:linear-gradient(135deg, rgba(79,70,229,.12), rgba(255,107,74,.10));
      color:var(--primary); font-weight:800
    }
    .metric{
      display:flex; align-items:flex-start; gap:14px
    }
    .metric strong{display:block; font-size:28px; line-height:1}
    .metric span{display:block; color:var(--muted); margin-top:6px}
    .panel{padding:22px}
    .chips{display:flex; flex-wrap:wrap; gap:10px; margin-top:12px}
    .chips span{padding:8px 11px; background:#f6f8ff; border:1px solid var(--line); border-radius:999px; font-size:13px; color:#44506a}
    .workflow{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{position:relative}
    .step .num{
      width:36px; height:36px; border-radius:50%; background:linear-gradient(135deg,var(--primary),var(--primary2));
      color:#fff; display:grid; place-items:center; font-weight:800; margin-bottom:10px
    }
    .step:after{
      content:""; position:absolute; right:-7px; top:18px; width:14px; height:2px; background:linear-gradient(90deg, rgba(79,70,229,.35), transparent)
    }
    .step:last-child:after{display:none}
    .table-wrap{overflow:auto; border-radius:18px; border:1px solid var(--line); background:#fff}
    table{width:100%; border-collapse:collapse; min-width:760px}
    th,td{padding:14px 16px; text-align:left; border-bottom:1px solid #edf1f8; vertical-align:top}
    th{background:#f7f9ff; color:#1d2943; font-size:14px}
    td{color:#44506a; font-size:14px; line-height:1.7}
    .score{
      display:grid; grid-template-columns:1fr 1fr; gap:14px
    }
    .score-box{
      padding:20px; border-radius:20px; background:linear-gradient(135deg, rgba(79,70,229,.08), rgba(255,107,74,.05));
      border:1px solid rgba(79,70,229,.12)
    }
    .score-box strong{font-size:42px; display:block; line-height:1.05}
    .star{color:#ff9f1c; letter-spacing:2px; font-size:20px}
    .collapse{
      border:1px solid var(--line); border-radius:18px; overflow:hidden; background:#fff
    }
    .faq-item{border-radius:0; box-shadow:none; border:none; border-top:1px solid #edf1f8}
    .faq-item:first-child{border-top:none}
    .faq-q{
      width:100%; background:#fff; border:none; padding:16px 18px; display:flex; justify-content:space-between; gap:14px; align-items:center;
      cursor:pointer; font-size:16px; font-weight:700; color:var(--text); text-align:left
    }
    .faq-a{max-height:0; overflow:hidden; transition:max-height .28s ease; padding:0 18px}
    .faq-a p{padding:0 0 16px}
    .faq-item.active .faq-a{max-height:220px}
    .faq-item.active .faq-q{background:#fbfcff}
    .reviews{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .review-card{padding:20px}
    .review-top{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px}
    .avatar{
      width:42px; height:42px; border-radius:50%; display:grid; place-items:center; color:#fff; font-weight:800;
      background:linear-gradient(135deg,var(--primary),var(--accent))
    }
    .review-meta{display:flex; align-items:center; gap:12px}
    .review-card h3{margin:0; font-size:16px}
    .review-card small{color:var(--muted)}
    .timeline{display:grid; gap:12px}
    .timeline-item{padding:18px}
    .timeline-item strong{display:block; margin-bottom:6px}
    .article-list{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .article-card{padding:18px}
    .article-card .meta{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}
    .meta span{font-size:12px; color:#54617b; background:#f4f7ff; border:1px solid var(--line); padding:6px 10px; border-radius:999px}
    .form-card{padding:22px}
    form{display:grid; gap:12px}
    .fields{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    .field{display:grid; gap:8px}
    label{font-size:14px; color:#33415f; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid #d7def0; background:#fff; color:var(--text);
      border-radius:14px; padding:12px 14px; font:inherit; outline:none; transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(79,70,229,.6); box-shadow:0 0 0 4px rgba(79,70,229,.08)}
    textarea{min-height:124px; resize:vertical}
    .form-actions{display:flex; gap:12px; flex-wrap:wrap; align-items:center}
    .helper{color:var(--muted); font-size:13px; line-height:1.7}
    .footer{
      margin-top:18px;
      padding:26px 0 30px;
      border-top:1px solid #dde4f2;
      background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(245,248,255,.95));
      color:#21304a;
    }
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr .8fr; gap:16px; align-items:start}
    .footer a{color:#273553}
    .footer a:hover{color:var(--primary)}
    .footer h3{margin:0 0 10px; font-size:16px}
    .footer p,.footer li{color:#55627e; line-height:1.8}
    .footer ul{margin:0; padding:0; list-style:none; display:grid; gap:8px}
    .social{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    .social .card{padding:14px; border-radius:18px; box-shadow:none}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px
    }
    .float-btn{
      width:48px; height:48px; border-radius:16px; display:grid; place-items:center; background:linear-gradient(135deg,var(--primary),var(--primary2));
      color:#fff; box-shadow:0 16px 30px rgba(79,70,229,.25); border:none; cursor:pointer
    }
    .customer-card{
      position:fixed; right:16px; bottom:80px; z-index:59; width:min(320px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:20px; box-shadow:var(--shadow); overflow:hidden;
      transform:translateY(14px); opacity:0; pointer-events:none; transition:.24s ease;
    }
    .customer-card.open{transform:translateY(0); opacity:1; pointer-events:auto}
    .customer-head{padding:14px 16px; background:linear-gradient(135deg, rgba(79,70,229,.08), rgba(255,107,74,.06)); display:flex; justify-content:space-between; align-items:center; gap:10px}
    .customer-body{padding:16px}
    .customer-body img{width:100%; border-radius:16px; border:1px solid var(--line)}
    .mobile-only{display:none}
    .muted{color:var(--muted)}
    .section-anchor{scroll-margin-top:92px}
    .compare-card{padding:20px}
    .top-note{display:flex; align-items:center; justify-content:space-between; gap:14px; margin-bottom:10px}
    .top-note .badge{padding:7px 10px; border-radius:999px; background:#eff4ff; border:1px solid var(--line); color:#425072; font-size:12px}
    @media (max-width: 1024px){
      .hero-grid,.footer-grid,.grid-4,.grid-3,.reviews,.article-list,.workflow{grid-template-columns:1fr 1fr}
      .score{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .nav{gap:12px}
      .menu-btn{display:inline-flex}
      .nav-links{
        display:none; width:100%; padding:10px 0 0;
      }
      .nav-links.open{display:flex; flex-direction:column; align-items:flex-start; gap:6px}
      .nav-actions{width:100%; justify-content:flex-end}
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews,.article-list,.footer-grid,.workflow,.fields{grid-template-columns:1fr}
      .hero-main{padding:22px}
      .hero-points{grid-template-columns:1fr}
      .section-title{flex-direction:column; align-items:flex-start}
      .mobile-only{display:inline-flex}
      .desktop-only{display:none}
      .step:after{display:none}
      .floating{right:12px; bottom:12px}
      .customer-card{right:12px; bottom:76px}
    }
    .reveal{opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease}
    .reveal.visible{opacity:1; transform:translateY(0)}