:root{
      --bg:#f4f7fb;
      --bg2:#eef2ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#5a647a;
      --line:rgba(56, 68, 95, .12);
      --brand:#5b5bff;
      --brand2:#8d5bff;
      --accent:#00b8a9;
      --warn:#f59e0b;
      --shadow:0 18px 40px rgba(31, 41, 55, .10);
      --radius:22px;
      --radius-sm: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",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(91,91,255,.10), transparent 20%),
        radial-gradient(circle at 85% 12%, rgba(0,184,169,.12), transparent 18%),
        linear-gradient(180deg, #fbfcff 0%, #f4f7fb 38%, #eef2ff 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .section{padding:72px 0; position:relative}
    .section.alt{
      background:linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.92));
      border-top:1px solid rgba(255,255,255,.7);
      border-bottom:1px solid rgba(91,91,255,.08);
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:10px;
      padding:8px 14px;border-radius:999px;
      background:linear-gradient(135deg, rgba(91,91,255,.10), rgba(0,184,169,.10));
      color:#34415d;font-size:13px;font-weight:700;letter-spacing:.04em
    }
    h1,h2,h3,h4,p{margin:0}
    h1{font-size:clamp(34px, 6vw, 58px);line-height:1.06;letter-spacing:-.03em}
    h2{font-size:clamp(26px, 4vw, 38px);line-height:1.15;margin-bottom:12px}
    h3{font-size:20px;line-height:1.25}
    p.lead{font-size:18px;color:var(--muted);max-width:62ch}
    .grid{display:grid;gap:20px}
    .topbar{
      position:sticky; top:0; z-index:50;
      background:rgba(248,250,255,.82);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(56,68,95,.08);
    }
    .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 .logo{
      width:42px;height:42px;border-radius:12px;object-fit:contain;background:#fff;border:1px solid rgba(91,91,255,.12);padding:4px;box-shadow:0 10px 20px rgba(91,91,255,.08)
    }
    .brand strong{display:block;font-size:16px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:#2c3750;padding:8px 10px;border-radius:999px;transition:.25s ease}
    .menu a:hover{background:rgba(91,91,255,.10);color:#172033}
    .actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:14px;border:1px solid transparent;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 14px 28px rgba(91,91,255,.24)
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(91,91,255,.30)}
    .btn-ghost{background:#fff;border-color:rgba(91,91,255,.14);color:#20304d}
    .btn-ghost:hover{background:#f6f7ff}
    .nav-toggle{display:none;background:#fff;border:1px solid rgba(91,91,255,.16);width:44px;height:44px;border-radius:14px}
    .hero{padding:42px 0 24px}
    .hero-shell{
      display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch
    }
    .hero-copy{
      position:relative;overflow:hidden;
      background:linear-gradient(135deg, rgba(255,255,255,.88), rgba(240,245,255,.95));
      border:1px solid rgba(91,91,255,.12);
      border-radius:28px;padding:34px;box-shadow:var(--shadow)
    }
    .hero-copy:before,.hero-copy:after{
      content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none
    }
    .hero-copy:before{width:220px;height:220px;background:radial-gradient(circle, rgba(91,91,255,.16), transparent 65%);right:-70px;top:-60px}
    .hero-copy:after{width:180px;height:180px;background:radial-gradient(circle, rgba(0,184,169,.16), transparent 65%);right:10px;bottom:-90px}
    .hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 22px}
    .badge{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(56,68,95,.10);font-size:13px;color:#31405e}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .hero-meta{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px
    }
    .meta-card{
      background:rgba(255,255,255,.82);border:1px solid rgba(91,91,255,.12);border-radius:18px;padding:16px
    }
    .meta-card b{display:block;font-size:20px}
    .meta-card small{color:var(--muted)}
    .hero-panel{
      display:grid;gap:14px;
    }
    .panel-card{
      background:linear-gradient(180deg, rgba(29,39,66,.98), rgba(39,49,84,.98));
      color:#eef3ff;border-radius:28px;padding:24px;box-shadow:var(--shadow);overflow:hidden;position:relative
    }
    .panel-card::before{
      content:"";position:absolute;inset:auto -40px -40px auto;width:180px;height:180px;border-radius:50%;
      background:radial-gradient(circle, rgba(0,184,169,.28), transparent 68%);
    }
    .panel-card h3{margin-bottom:12px}
    .panel-list{display:grid;gap:10px;margin-top:16px}
    .panel-list div{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid rgba(255,255,255,.10);padding-bottom:10px}
    .panel-list span{color:rgba(238,243,255,.72)}
    .mini-card{
      background:#fff;border-radius:22px;border:1px solid rgba(91,91,255,.12);padding:18px;box-shadow:var(--shadow)
    }
    .mini-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
    .mini-tag{font-size:12px;padding:6px 10px;border-radius:999px;background:rgba(91,91,255,.10);color:#4e58d5}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat{
      background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 28px rgba(31,41,55,.06)
    }
    .stat b{font-size:28px;display:block;margin-bottom:8px;color:#18253f}
    .stat span{color:var(--muted)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;flex-wrap:wrap}
    .section-head .text{max-width:760px}
    .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .card{
      background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:24px;padding:22px;
      box-shadow:0 12px 28px rgba(31,41,55,.06);transition:.25s ease
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(31,41,55,.10)}
    .card p{color:var(--muted);margin-top:10px}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .pill{padding:7px 11px;border-radius:999px;background:#f7f8ff;color:#34415d;border:1px solid rgba(91,91,255,.10);font-size:13px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{
      background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line);border-radius:22px;padding:20px;position:relative
    }
    .step .num{width:36px;height:36px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,rgba(91,91,255,.12),rgba(0,184,169,.12));font-weight:800;color:#334269;margin-bottom:12px}
    .compare{
      width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)
    }
    .compare th,.compare td{padding:16px 14px;border-bottom:1px solid rgba(56,68,95,.08);text-align:left;vertical-align:top}
    .compare th{background:#f7f8ff;font-size:14px;color:#34415d}
    .compare tr:last-child td{border-bottom:none}
    .compare .yes{color:#0f766e;font-weight:700}
    .compare .hot{color:#5b5bff;font-weight:800}
    .compare-wrap{overflow-x:auto}
    .layout-two{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:start}
    .list-check{display:grid;gap:12px;margin-top:14px}
    .list-check li{list-style:none;padding:14px 16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .price{background:linear-gradient(180deg,#fff, #f9fbff);border:1px solid var(--line);border-radius:24px;padding:22px}
    .price strong{display:block;font-size:28px;margin:6px 0 10px}
    .timeline{display:grid;gap:14px}
    .time-item{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}
    .time-item .t{font-weight:800;color:#4e58d5}
    .gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .gallery .img-card,.media-card{
      background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:0 10px 24px rgba(31,41,55,.06)
    }
    .gallery img,.media-card img{width:100%;height:auto;border-radius:18px;object-fit:cover}
    .testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px}
    .quote .who{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
    .stars{color:#f59e0b;letter-spacing:2px;font-size:14px}
    .faq{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .faq-q{
      width:100%;text-align:left;border:0;background:transparent;padding:18px 20px;font-size:16px;font-weight:700;color:#1c2943;display:flex;justify-content:space-between;gap:16px;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;padding:0 20px;color:var(--muted);transition:max-height .28s ease,padding .28s ease}
    .faq-item.open .faq-a{max-height:160px;padding:0 20px 18px}
    .faq-item.open .faq-q .icon{transform:rotate(45deg)}
    .faq-q .icon{transition:.25s ease;color:#5b5bff;font-size:20px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px}
    .article time{display:block;color:#6c7590;font-size:13px;margin-bottom:10px}
    .article a{display:inline-flex;margin-top:14px;color:#4e58d5;font-weight:700}
    .cloud{display:flex;flex-wrap:wrap;gap:10px}
    .cloud a,.cloud span{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid rgba(91,91,255,.12);color:#33415d;font-size:13px
    }
    form{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)
    }
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#28344e}
    input,select,textarea{
      width:100%;border:1px solid rgba(56,68,95,.16);border-radius:14px;padding:13px 14px;
      font:inherit;background:#fbfcff;color:var(--text);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#5b5bff;box-shadow:0 0 0 4px rgba(91,91,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      background:#111a2f;color:#d7def2;padding:28px 0 30px;margin-top:0
    }
    .footer a{color:#e7edff}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:start}
    .footer small,.footer p{color:#b7c1de}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .footer-links a{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.06)}
    .bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:48px;height:48px;border-radius:16px;border:1px solid rgba(91,91,255,.16);background:#fff;box-shadow:0 14px 24px rgba(31,41,55,.12);display:grid;place-items:center;cursor:pointer
    }
    .floating svg{width:20px;height:20px;fill:#44506b}
    .mobile-menu{display:none}
    .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease, transform .55s ease}
    .reveal.in{opacity:1;transform:none}
    .subtle{
      background:linear-gradient(135deg, rgba(91,91,255,.08), rgba(0,184,169,.08));
      border:1px solid rgba(91,91,255,.08);border-radius:20px;padding:18px
    }
    @media (max-width: 1024px){
      .hero-shell,.layout-two,.footer-grid,.cards,.workflow,.stats,.price-grid,.testimonials,.articles{grid-template-columns:1fr 1fr}
      .hero-shell{grid-template-columns:1fr}
      .hero-panel{grid-template-columns:1fr 1fr}
      .cards,.workflow,.stats,.price-grid,.testimonials,.articles{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 760px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .menu,.actions .btn-ghost{display:none}
      .nav-toggle{display:inline-grid;place-items:center}
      .mobile-menu{
        display:none;padding:0 0 16px
      }
      .mobile-menu.open{display:block}
      .mobile-menu .menu{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
      .mobile-menu .actions{margin-top:12px;display:grid;grid-template-columns:1fr}
      .hero{padding-top:22px}
      .hero-copy,.panel-card,.stat,.card,.step,.price,.quote,.article,.time-item,form{padding:18px}
      .hero-meta,.hero-panel,.cards,.workflow,.stats,.price-grid,.testimonials,.articles,.gallery,.layout-two,.footer-grid{grid-template-columns:1fr}
      .time-item{grid-template-columns:1fr}
      .compare th,.compare td{padding:12px 10px;font-size:14px}
      .section{padding:56px 0}
      h1{font-size:clamp(30px, 10vw, 44px)}
      .hero-actions,.pill-row,.footer-links{gap:8px}
      .hero-meta{display:grid;grid-template-columns:1fr}
      form{grid-template-columns:1fr}
    }