:root{
      --bg:#f7f5ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#182033;
      --muted:#5f6780;
      --line:#e7e1ff;
      --primary:#7c3aed;
      --primary2:#b14cff;
      --accent:#ff6bd6;
      --soft:#f4efff;
      --shadow:0 18px 50px rgba(76, 29, 149, .12);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{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 top left, rgba(177,76,255,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(255,107,214,.10), transparent 24%),
        linear-gradient(180deg, #fbfaff 0%, #f7f5ff 36%, #fff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(124,58,237,.10);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;border-radius:12px;object-fit:cover;box-shadow:0 10px 24px rgba(124,58,237,.18)}
    .brand strong{display:block;font-size:1rem;line-height:1.1}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:10px 12px}
    nav ul{display:flex;gap:14px;list-style:none;padding:0;margin:0;flex-wrap:wrap;justify-content:flex-end}
    nav a{font-size:.92rem;color:#334; padding:8px 10px;border-radius:999px}
    nav a:hover{background:var(--soft);color:var(--primary)}
    .home-link{border:1px solid rgba(124,58,237,.16);background:linear-gradient(135deg,#fff,#f8f3ff);color:var(--primary);font-weight:700}
    .hero{padding:44px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.info-card,.review-card,.feature-card,.step-card,.faq-item,.article-card,.price-card,.tag-cloud,.timeline,.form-card,.contact-card,.compare-card,.case-card{
      background:rgba(255,255,255,.92); border:1px solid rgba(124,58,237,.12); box-shadow:var(--shadow); border-radius:var(--radius)
    }
    .hero-main{padding:34px; position:relative; overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:""; position:absolute; border-radius:50%; pointer-events:none;
      background:radial-gradient(circle, rgba(177,76,255,.18), transparent 65%)
    }
    .hero-main:before{width:220px;height:220px;right:-60px;top:-50px}
    .hero-main:after{width:160px;height:160px;right:120px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(124,58,237,.08);color:var(--primary);font-weight:700;font-size:.88rem}
    h1{margin:16px 0 14px;font-size:clamp(2rem,4vw,3.8rem);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:1.04rem;line-height:1.8;max-width:58ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .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(--primary),var(--primary2));color:#fff;box-shadow:0 14px 26px rgba(124,58,237,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px rgba(124,58,237,.28)}
    .btn-ghost{background:#fff;border-color:rgba(124,58,237,.16);color:var(--primary)}
    .btn-ghost:hover{transform:translateY(-2px);background:var(--soft)}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .stat{padding:16px;border-radius:16px;background:linear-gradient(180deg,#fff, #fbf8ff);border:1px solid rgba(124,58,237,.10)}
    .stat strong{display:block;font-size:1.35rem}
    .stat span{display:block;margin-top:6px;color:var(--muted);font-size:.9rem;line-height:1.5}
    .hero-side{padding:20px;display:grid;gap:14px}
    .mini-panel{padding:18px;border-radius:18px;background:linear-gradient(135deg, #fff, #f7f0ff);border:1px solid rgba(124,58,237,.10)}
    .mini-panel h3{margin:0 0 10px;font-size:1rem}
    .mini-panel p,.mini-panel li{color:var(--muted);line-height:1.7}
    .mini-panel ul{margin:0;padding-left:18px}
    .section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:clamp(1.4rem,2vw,2rem)}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;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}
    .feature-card,.info-card,.review-card,.article-card,.price-card,.contact-card,.compare-card,.case-card,.step-card{padding:20px}
    .feature-card h3,.info-card h3,.review-card h3,.article-card h3,.price-card h3,.case-card h3,.step-card h3{margin:0 0 10px;font-size:1.05rem}
    .muted{color:var(--muted);line-height:1.75}
    .icon-badge{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(124,58,237,.12), rgba(255,107,214,.10)); color:var(--primary); font-weight:800; margin-bottom:14px;
    }
    .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(124,58,237,.12);color:#344;font-size:.88rem}
    .timeline{padding:20px}
    .timeline ol{margin:0;padding:0;list-style:none;display:grid;gap:14px}
    .timeline li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start}
    .timeline .dot{width:12px;height:12px;margin-top:7px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 0 6px rgba(124,58,237,.10)}
    .timeline strong{display:block;margin-bottom:4px}
    .compare-wrap{overflow:auto}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:820px}
    th,td{padding:14px 12px;border-bottom:1px solid rgba(124,58,237,.10);text-align:left;vertical-align:top}
    th{background:#fbf8ff;color:#26314f;font-size:.95rem}
    tr:hover td{background:#fcfbff}
    .highlight{color:var(--primary);font-weight:800}
    .faq-item{overflow:hidden}
    .faq-btn{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;
      background:none;border:0;padding:18px 20px;font-size:1rem;font-weight:700;color:var(--text);text-align:left;
    }
    .faq-content{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
    .faq-content p{margin:0 0 18px;color:var(--muted);line-height:1.75}
    .faq-item.active .faq-content{max-height:180px}
    .faq-item.active .faq-btn .arrow{transform:rotate(180deg)}
    .arrow{transition:.25s ease}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;color:var(--muted);font-size:.9rem}
    .stars{color:#f59e0b;letter-spacing:1px}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card small{color:var(--primary);font-weight:700}
    .article-card a{display:inline-flex;margin-top:12px;color:var(--primary);font-weight:700}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:linear-gradient(135deg,#fff,#f3edff);border:1px solid rgba(124,58,237,.12)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    label{font-weight:700;font-size:.92rem}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #dcd4f5;background:#fff;color:var(--text);outline:none;
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(124,58,237,.45);box-shadow:0 0 0 4px rgba(124,58,237,.08)}
    .full{grid-column:1/-1}
    .contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    .qrcode{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
    .qrcode img{width:140px;height:140px;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    footer{
      margin-top:18px;padding:18px 0 26px;border-top:1px solid rgba(124,58,237,.10);
      background:rgba(255,255,255,.76); color:#2b3146
    }
    footer a{color:var(--primary)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px;align-items:start}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border:0;border-radius:999px;
      padding:12px 16px;box-shadow:0 14px 28px rgba(124,58,237,.24)
    }
    .float-btn.secondary{background:#fff;color:var(--primary);border:1px solid rgba(124,58,237,.16)}
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.reviews,.article-list,.contact-grid,.footer-grid{grid-template-columns:1fr}
      nav{display:none;position:absolute;left:0;right:0;top:100%;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(124,58,237,.10);padding:10px 16px}
      nav.open{display:block}
      nav ul{justify-content:flex-start}
      .menu-toggle{display:inline-flex}
      .hero{padding-top:24px}
      .hero-main{padding:24px}
      .hero-stats{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
    }