:root{
      --bg:#f5f7fb;
      --panel:#ffffff;
      --panel-2:#f8fbff;
      --text:#142033;
      --muted:#5d6b82;
      --line:#dbe4f0;
      --primary:#6d5efc;
      --primary-2:#17c3ff;
      --accent:#ff6c8f;
      --success:#13b981;
      --warning:#f6b23c;
      --shadow:0 18px 40px rgba(20,32,51,.10);
      --shadow-soft:0 10px 28px rgba(20,32,51,.08);
      --radius:20px;
      --radius-sm:14px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(109,94,252,.12), transparent 24%),
        radial-gradient(circle at 90% 20%, rgba(23,195,255,.10), transparent 22%),
        radial-gradient(circle at 70% 75%, rgba(255,108,143,.08), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, #f5f7fb 36%, #f4f7fb 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{
      width:min(var(--max), calc(100% - 32px));
      margin:0 auto;
    }
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(245,247,251,.82);
      border-bottom:1px solid rgba(219,228,240,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      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);padding:4px}
    .brand .name{font-weight:800;font-size:1.02rem;letter-spacing:.4px}
    .brand .sub{font-size:.84rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.95rem;color:#26354d;padding:8px 10px;border-radius:10px;transition:.2s ease}
    .nav-links a:hover{background:rgba(109,94,252,.08);color:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:999px;
      padding:12px 18px;font-weight:700;cursor:pointer;transition:.2s ease;
      box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 14px 28px rgba(109,94,252,.22)}
    .btn-primary:hover{transform:translateY(-1px);filter:saturate(1.05)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#c5d0e0;transform:translateY(-1px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-toggle span{display:block;width:18px;height:2px;background:#253247;position:relative}
    .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#253247}
    .menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}

    main{display:block}
    section{padding:72px 0}
    .hero{
      padding:42px 0 58px;
      position:relative;
      overflow:hidden;
    }
    .hero::before,.hero::after{
      content:"";position:absolute;border-radius:50%;
      filter:blur(10px);pointer-events:none;
    }
    .hero::before{width:260px;height:260px;background:rgba(109,94,252,.16);top:-80px;right:-40px}
    .hero::after{width:180px;height:180px;background:rgba(23,195,255,.16);left:-40px;bottom:20px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch;
    }
    .hero-copy,.hero-panel,.card,.panel{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(219,228,240,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-copy{padding:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:linear-gradient(135deg, rgba(109,94,252,.12), rgba(23,195,255,.12));
      color:#354665;font-weight:700;font-size:.9rem;
    }
    h1{margin:16px 0 14px;font-size:clamp(2rem,5vw,3.55rem);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:1.03rem;color:var(--muted);max-width:60ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .mini-stat{
      padding:14px 14px 12px;border-radius:16px;background:linear-gradient(180deg,#fff,#f8fbff);
      border:1px solid var(--line);
    }
    .mini-stat strong{display:block;font-size:1.16rem;margin-bottom:4px}
    .mini-stat span{font-size:.88rem;color:var(--muted)}
    .hero-panel{padding:22px;display:grid;gap:14px;align-content:start}
    .shine{
      border-radius:18px;padding:18px;
      background:
        linear-gradient(135deg, rgba(109,94,252,.12), rgba(23,195,255,.10)),
        linear-gradient(180deg,#ffffff,#f7fbff);
      border:1px solid rgba(109,94,252,.14);
    }
    .shine h3{margin:0 0 8px;font-size:1.06rem}
    .shine p{margin:0;color:var(--muted);font-size:.95rem}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.86rem;color:#2c3b54}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:24px}
    .section-head h2{margin:0;font-size:clamp(1.45rem,3vw,2.15rem)}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .card{padding:22px}
    .card h3{margin:0 0 8px;font-size:1.08rem}
    .card p{margin:0;color:var(--muted)}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(109,94,252,.14), rgba(23,195,255,.14));
      margin-bottom:14px;color:var(--primary);font-weight:900;
    }
    .stats .card{background:linear-gradient(180deg,#fff,#f8fbff)}
    .stats strong{display:block;font-size:1.65rem;margin-bottom:6px}
    .flow{counter-reset:step}
    .flow .card{position:relative;overflow:hidden}
    .flow .card::before{
      counter-increment:step;content:"0" counter(step);
      position:absolute;right:16px;top:14px;font-size:2.2rem;font-weight:900;color:rgba(109,94,252,.12)
    }
    .flow .step-tag{display:inline-flex;margin-bottom:10px;color:var(--primary);font-weight:800;font-size:.9rem}
    .comparison{
      background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(248,251,255,.92));
      border-radius:var(--radius);
      border:1px solid rgba(219,228,240,.9);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .table-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
    th{background:#f4f7ff;color:#24324a;font-size:.95rem}
    td{color:#314158;background:#fff}
    .yes{color:#12855f;font-weight:700}
    .no{color:#b43d4f;font-weight:700}
    .rating{
      display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;
      padding:22px;border-bottom:1px solid var(--line);background:linear-gradient(135deg, rgba(109,94,252,.08), rgba(23,195,255,.06));
    }
    .rating .score{font-size:2rem;font-weight:900;color:var(--primary)}
    .rating .stars{color:#f6b23c;font-size:1.1rem;letter-spacing:2px}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.88rem}
    .quote{display:grid;gap:12px}
    .quote .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;color:var(--muted);font-size:.9rem}
    .quote strong{font-size:1rem}
    .split{
      display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start
    }
    .list{margin:0;padding:0;list-style:none;display:grid;gap:12px}
    .list li{
      padding:14px 14px 14px 42px;background:#fff;border:1px solid var(--line);border-radius:16px;position:relative;color:#2d3c53
    }
    .list li::before{
      content:"";position:absolute;left:16px;top:18px;width:12px;height:12px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--primary-2))
    }
    .service-net{
      display:grid;grid-template-columns:repeat(6,1fr);gap:12px
    }
    .service-net .badge{padding:11px 10px;text-align:center;font-weight:600}
    .faq details{
      background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 16px;
      box-shadow:var(--shadow-soft)
    }
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700;color:#24324a}
    .faq summary::-webkit-details-marker{display:none}
    .faq .answer{padding:0 0 16px;color:var(--muted)}
    .form{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px
    }
    .field{display:grid;gap:8px}
    .field.full{grid-column:1 / -1}
    label{font-weight:700;color:#273548;font-size:.95rem}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;
      color:var(--text);padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(109,94,252,.65);box-shadow:0 0 0 4px rgba(109,94,252,.10)}
    textarea{min-height:132px;resize:vertical}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .muted{color:var(--muted)}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .article{
      padding:22px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line);border-radius:18px
    }
    .article .tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(109,94,252,.10);color:var(--primary);font-size:.84rem;font-weight:700;margin-bottom:12px}
    .article a{color:var(--primary);font-weight:700}
    .footer-cta{
      display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start
    }
    footer{
      padding:28px 0 36px;
      background:#eef3fa;
      border-top:1px solid var(--line);
      color:#243146;
    }
    footer a{color:#243146}
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .contact-card,.qrcode-card{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow-soft)
    }
    .contact-row{display:grid;gap:10px}
    .contact-row div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed #dbe4f0}
    .contact-row div:last-child{border-bottom:none}
    .links{display:flex;flex-wrap:wrap;gap:10px}
    .links a{padding:8px 10px;border-radius:10px;background:#fff;border:1px solid var(--line)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;
      box-shadow:0 16px 30px rgba(109,94,252,.25);border:none
    }
    .float-btn.secondary{background:#fff;color:#233147;border:1px solid var(--line)}
    .backtop{display:none}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .scroll-reveal.in{opacity:1;transform:translateY(0)}
    .hero-copy,.hero-panel,.card,.panel,.comparison,.article,.contact-card,.qrcode-card{transition:transform .22s ease, box-shadow .22s ease}
    .hero-copy:hover,.hero-panel:hover,.card:hover,.panel:hover,.article:hover,.contact-card:hover,.qrcode-card:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(20,32,51,.12)}
    .two-links{display:flex;gap:12px;flex-wrap:wrap}
    .anchor-strip{display:flex;flex-wrap:wrap;gap:10px}
    .anchor-strip a{padding:8px 10px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:.88rem}
    .mini-note{font-size:.88rem;color:var(--muted)}
    .top-line{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:16px}
    .price-box{display:grid;gap:10px}
    .price-row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
    .price-row:last-child{border-bottom:none}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .timeline-item strong{color:var(--primary)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#304056}
    .note-banner{
      padding:16px 18px;border-radius:18px;background:linear-gradient(135deg, rgba(255,108,143,.10), rgba(23,195,255,.10));
      border:1px solid rgba(109,94,252,.14);color:#2f4059
    }
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.articles,.split,.footer-top,.footer-cta,.service-net{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .section-head,.top-line{flex-direction:column;align-items:flex-start}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav-actions .btn-ghost{display:none}
      .mobile-open .nav-links{
        display:flex;position:absolute;left:16px;right:16px;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;z-index:80
      }
      .mobile-open .nav{position:relative}
      .form{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
      table{min-width:980px}
    }
    @media (max-width: 640px){
      section{padding:58px 0}
      .hero{padding-top:28px}
      .hero-copy{padding:22px}
      .hero-panel,.card,.article,.contact-card,.qrcode-card,.comparison{border-radius:18px}
      .nav{padding:12px 0}
      .brand .sub{display:none}
      .btn{padding:11px 15px}
      .floating{right:12px;bottom:12px}
      .float-btn{width:48px;height:48px;border-radius:14px}
    }