:root{
      --bg:#f7f4ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --card2:#f5f0ff;
      --line:#e6dcff;
      --text:#1f2430;
      --muted:#5f6780;
      --brand:#7a39ff;
      --brand2:#b04dff;
      --brand3:#4b7dff;
      --shadow:0 18px 50px rgba(94,62,180,.12);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:
      radial-gradient(900px 500px at 10% 0%, rgba(122,57,255,.16), transparent 55%),
      radial-gradient(700px 420px at 90% 14%, rgba(176,77,255,.13), transparent 58%),
      linear-gradient(180deg, #faf8ff 0%, #f7f4ff 18%, #f8f8fc 100%);
      color:var(--text);line-height:1.65}
    a{color:var(--brand);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;background:rgba(247,244,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,220,255,.9)}
    .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 .logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 10px 20px rgba(122,57,255,.12)}
    .brand strong{display:block;font-size:1rem;letter-spacing:.5px}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .nav-links a,.nav-btn{padding:9px 12px;border-radius:999px;border:1px solid transparent;font-size:.92rem}
    .nav-links a{color:var(--text)}
    .nav-links a:hover{background:#fff;border-color:var(--line);box-shadow:0 10px 20px rgba(94,62,180,.08)}
    .nav-btn,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;border:none}
    .nav-btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:700;box-shadow:0 12px 26px rgba(122,57,255,.26)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:14px}
    .hero{padding:38px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.info-card,.review-card,.faq-item,.form-card,.price-card,.timeline-card,.article-card,.case-card,.service-card,.compare-card{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(250,247,255,.98));border:1px solid rgba(230,220,255,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
    .hero-main:before{width:240px;height:240px;background:radial-gradient(circle, rgba(122,57,255,.18), transparent 65%);right:-70px;top:-40px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle, rgba(75,125,255,.12), transparent 68%);left:46%;bottom:-72px}
    .badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(122,57,255,.08);color:var(--brand);font-weight:700;font-size:.9rem}
    h1{margin:14px 0 12px;font-size:clamp(2rem,4.3vw,3.65rem);line-height:1.1;letter-spacing:-.02em}
    .lead{font-size:1.06rem;color:var(--muted);max-width:60ch;margin:0 0 18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{padding:13px 18px;border-radius:16px;font-weight:800;transition:.25s ease}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 16px 30px rgba(122,57,255,.28)}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn:hover,.service-card:hover,.review-card:hover,.case-card:hover,.article-card:hover,.faq-item:hover,.timeline-card:hover,.compare-card:hover,.info-card:hover{transform:translateY(-3px)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #f8f4ff);border:1px solid var(--line)}
    .stat b{display:block;font-size:1.28rem}
    .stat span{color:var(--muted);font-size:.9rem}
    .hero-side{padding:20px;display:flex;flex-direction:column;gap:14px}
    .mini-panel{padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(122,57,255,.08),rgba(176,77,255,.06));border:1px solid rgba(122,57,255,.12)}
    .mini-panel h2,.section-head h2{margin:0 0 8px;font-size:1.6rem}
    .section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}
    .section-head p{margin:0;color:var(--muted);max-width:64ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .section-card,.service-card,.case-card,.article-card,.review-card,.faq-item,.compare-card,.form-card,.price-card,.timeline-card,.info-card{padding:20px}
    .service-card h3,.case-card h3,.article-card h3,.review-card h3,.price-card h3,.timeline-card h3,.info-card h3{margin:0 0 10px;font-size:1.05rem}
    .service-card p,.case-card p,.article-card p,.review-card p,.price-card p,.timeline-card p,.info-card p{margin:0;color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#4b5164;font-size:.9rem}
    .flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .step{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative}
    .step b{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;margin-bottom:12px}
    .compare-wrap{overflow:auto}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:860px}
    th,td{padding:14px 12px;border-bottom:1px solid #efe8ff;text-align:left;vertical-align:top}
    th{background:#f6f1ff;color:#2d2745;font-size:.95rem}
    tr:last-child td{border-bottom:none}
    .rating{font-weight:800;color:#6f2cff}
    .faq-list{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:12px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";color:var(--brand);font-size:1.1rem}
    .faq-item[open] summary:after{content:"－"}
    .faq-item .answer{padding-top:10px;color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:.92rem;color:#3b4052;margin-bottom:8px;font-weight:600}
    input,select,textarea{width:100%;border:1px solid #ddd4ff;border-radius:14px;padding:13px 14px;background:#fff;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(122,57,255,.11)}
    textarea{min-height:118px;resize:vertical}
    .full{grid-column:1/-1}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
    .footer{margin-top:26px;padding:26px 0 24px;background:#f4efff;border-top:1px solid #e5dbff;color:#30364a}
    .footer a{color:#5c2fe0}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
    .contact-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .kefu{width:130px;border-radius:16px;border:1px solid var(--line);background:#fff;padding:6px}
    .sticky-tools{position:fixed;right:16px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
    .tool{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(122,57,255,.28);font-weight:800}
    .floating-card{position:fixed;left:16px;bottom:18px;z-index:60;max-width:240px;padding:14px 14px 12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .floating-card strong{display:block;margin-bottom:6px}
    .comments,.case-grid,.article-grid,.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .timeline-card .mark{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:rgba(122,57,255,.1);color:var(--brand);font-weight:800;margin-bottom:12px}
    .hero-icons{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .icon-box{padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .icon-box small{display:block;color:var(--muted);margin-top:4px}
    .animate{opacity:0;transform:translateY(16px);transition:.7s ease}
    .animate.show{opacity:1;transform:translateY(0)}
    .home-link{font-weight:800}
    @media (max-width: 1024px){
      .hero-grid,.footer-grid,.grid-3,.grid-4,.comments,.case-grid,.article-grid,.pricing-grid,.timeline,.flow{grid-template-columns:1fr 1fr}
      .stats{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 760px){
      .nav{flex-wrap:wrap}
      .menu-toggle{display:inline-flex}
      .nav-links{display:none;width:100%;padding-top:6px}
      .nav-links.open{display:flex}
      .hero-grid,.footer-grid,.grid-3,.grid-4,.comments,.case-grid,.article-grid,.pricing-grid,.timeline,.flow,.stats,.form-grid,.contact-row{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .hero-side{padding:16px}
      .section-head{flex-direction:column;align-items:flex-start}
      .floating-card{display:none}
      .sticky-tools{right:12px}
      .tool{width:44px;height:44px}
      .container{width:min(var(--container),calc(100% - 22px))}
    }