:root{
      --bg:#f7f5ef;
      --bg2:#eef2ff;
      --card:#ffffff;
      --line:#d9e1ef;
      --text:#1f2a37;
      --muted:#5b6677;
      --brand:#4c63ff;
      --brand2:#7b5cff;
      --brand3:#14b8a6;
      --accent:#ff8a5b;
      --shadow:0 18px 50px rgba(31,42,55,.08);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(76,99,255,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(123,92,255,.10), transparent 24%),
        linear-gradient(180deg, #fbfbff 0%, var(--bg) 42%, #f8f7f2 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .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(247,245,239,.88);
      border-bottom:1px solid rgba(217,225,239,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:74px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo-wrap{
      width:42px;height:42px;border-radius:12px;overflow:hidden;
      background:linear-gradient(135deg, rgba(76,99,255,.12), rgba(123,92,255,.12));
      border:1px solid rgba(76,99,255,.18);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
    }
    .brand .name{display:flex;flex-direction:column;line-height:1.15;min-width:0}
    .brand strong{font-size:16px;letter-spacing:.4px}
    .brand span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .menu{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{
      font-size:13px;color:#334155;padding:8px 10px;border-radius:999px;
      transition:.22s ease;background:transparent;
    }
    .menu a:hover,.menu a:focus{background:rgba(76,99,255,.10);color:#23304a}
    .cta-mini{
      display:flex;align-items:center;gap:10px;flex:0 0 auto;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:14px;padding:12px 16px;
      font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease;
      box-shadow:none;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));
      box-shadow:0 14px 26px rgba(76,99,255,.22);
    }
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 30px rgba(76,99,255,.28)}
    .btn-ghost{
      color:#223046;background:#fff;border-color:#d9e1ef;
    }
    .btn-ghost:hover{transform:translateY(-1px);border-color:#b9c5dd}
    .nav-toggle{
      display:none;border:1px solid #d9e1ef;background:#fff;border-radius:12px;
      width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;
    }
    .nav-toggle span{display:block;width:18px;height:2px;background:#24324a;position:relative;border-radius:2px}
    .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#24324a;border-radius:2px}
    .nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
    main{overflow:hidden}
    .hero{
      padding:58px 0 26px;
      position:relative;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch;
    }
    .hero-copy,.hero-side,.panel,.section-card,.faq-item,.review-card,.article-card,.service-card,.case-card,.quote-card,.form-card,.mini-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(217,225,239,.88);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-copy{
      padding:30px;
      position:relative;overflow:hidden;
    }
    .hero-copy::before{
      content:"";position:absolute;inset:auto -10% -30% auto;width:280px;height:280px;border-radius:50%;
      background:radial-gradient(circle, rgba(76,99,255,.18), transparent 68%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:linear-gradient(135deg, rgba(76,99,255,.11), rgba(20,184,166,.10));
      color:#334155;font-size:13px;font-weight:700;
      border:1px solid rgba(76,99,255,.14);
    }
    h1{margin:18px 0 12px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:56ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-metrics{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px;
    }
    .metric{
      padding:16px;border-radius:18px;background:linear-gradient(180deg, #fff, #f8fbff);
      border:1px solid #e4ebf6;
    }
    .metric strong{display:block;font-size:22px;line-height:1.1}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{
      padding:20px;display:grid;gap:14px;align-content:start;
      background:
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(245,248,255,.94));
    }
    .side-head{
      padding:18px;border-radius:18px;
      background:linear-gradient(135deg, rgba(76,99,255,.11), rgba(123,92,255,.08));
      border:1px solid rgba(76,99,255,.12);
    }
    .side-head h2{margin:0 0 6px;font-size:18px}
    .side-head p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .badge{padding:7px 10px;border-radius:999px;background:#fff;border:1px solid #dde6f2;font-size:12px;color:#30415e}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .mini-card{padding:14px}
    .mini-card strong{display:block;font-size:15px}
    .mini-card span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.55}
    section{padding:18px 0}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px;flex-wrap:wrap;
    }
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .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-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .section-card{padding:22px}
    .service-card{padding:20px;transition:transform .22s ease, box-shadow .22s ease}
    .service-card:hover,.case-card:hover,.article-card:hover,.review-card:hover,.faq-item:hover{transform:translateY(-3px);box-shadow:0 22px 48px rgba(31,42,55,.11)}
    .icon{
      width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg, rgba(76,99,255,.14), rgba(20,184,166,.12));color:#2947da;font-weight:800;
      margin-bottom:14px;
    }
    .service-card h3,.case-card h3,.review-card h3,.article-card h3,.faq-item summary,.quote-card h3{margin:0 0 10px;font-size:18px}
    .service-card p,.case-card p,.review-card p,.article-card p,.quote-card p{margin:0;color:var(--muted);line-height:1.75}
    .pill-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .pill{font-size:12px;padding:7px 10px;border-radius:999px;background:#f4f7ff;border:1px solid #dee6f7;color:#344461}
    .workflow{
      display:grid;grid-template-columns:repeat(5,1fr);gap:14px;
    }
    .step{
      padding:18px 16px;border-radius:18px;border:1px solid #e2e9f5;background:linear-gradient(180deg,#fff,#f8fbff);
      position:relative;
    }
    .step strong{display:block;font-size:14px;margin-bottom:8px}
    .step span{display:block;color:var(--muted);font-size:13px;line-height:1.65}
    .step::after{
      content:attr(data-no);position:absolute;top:12px;right:12px;font-size:12px;font-weight:800;
      color:rgba(76,99,255,.35);
    }
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid #e2e9f5;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid #e9eef7;text-align:left;font-size:14px;vertical-align:top}
    th{background:#f8fbff;color:#22314a;font-size:13px}
    tr:last-child td{border-bottom:none}
    .yes{color:#0f8b63;font-weight:700}
    .no{color:#c25757;font-weight:700}
    .highlight{background:linear-gradient(135deg, rgba(76,99,255,.08), rgba(20,184,166,.08))}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud .tag{
      padding:10px 12px;border-radius:999px;background:#fff;border:1px solid #dde6f2;color:#33415c;font-size:13px;
      box-shadow:0 8px 18px rgba(31,42,55,.04);
    }
    .split{
      display:grid;grid-template-columns:1.02fr .98fr;gap:16px;align-items:start;
    }
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:start;padding:16px;border:1px solid #e2e9f5;border-radius:18px;background:#fff}
    .timeline-item .num{
      width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg, #4c63ff, #7b5cff);color:#fff;font-weight:800
    }
    .timeline-item strong{display:block;margin-bottom:6px}
    .timeline-item p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .rating-box{
      padding:24px;background:linear-gradient(135deg, rgba(76,99,255,.10), rgba(123,92,255,.08), rgba(20,184,166,.08));
      border-radius:22px;border:1px solid rgba(76,99,255,.16);
    }
    .rating-top{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
    .stars{font-size:20px;color:#f59e0b;letter-spacing:2px}
    .big-score{font-size:44px;font-weight:900;line-height:1}
    .review-grid,.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-card,.article-card,.faq-item,.quote-card{padding:20px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .avatar{
      width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg, rgba(76,99,255,.18), rgba(20,184,166,.16));
      color:#2840c9;font-weight:800;flex:0 0 auto;
    }
    .review-person{display:flex;align-items:center;gap:12px}
    .review-person strong{display:block}
    .review-person span{display:block;font-size:12px;color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    details.faq-item summary{cursor:pointer;list-style:none}
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:16px;align-items:start}
    .contact-card,.form-card{padding:22px}
    .contact-list{display:grid;gap:12px;margin-top:14px}
    .contact-row{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;background:#f8fbff;border:1px solid #e3eaf6;border-radius:16px}
    .contact-row span{color:var(--muted)}
    form{display:grid;gap:12px}
    .field{display:grid;gap:6px}
    .field label{font-size:13px;color:#334155;font-weight:700}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid #d8e2f0;border-radius:14px;background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:border-color .2s, box-shadow .2s;
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#7b8dff;box-shadow:0 0 0 4px rgba(76,99,255,.08)}
    .footer{
      margin-top:12px;
      padding:24px 0 32px;
      background:linear-gradient(180deg, rgba(255,255,255,.56), rgba(247,245,239,.96));
      border-top:1px solid rgba(217,225,239,.8);
      color:#223046;
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px;align-items:start}
    .footer h3{margin:0 0 12px;font-size:16px}
    .footer p,.footer a,.footer li{color:#415064;line-height:1.8;font-size:14px}
    .footer ul{padding:0;margin:0;list-style:none;display:grid;gap:6px}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .links a{padding:8px 10px;border-radius:999px;border:1px solid #dce5f1;background:#fff}
    .copyright{margin-top:18px;padding-top:14px;border-top:1px solid #e1e8f3;color:#627089;font-size:13px}
    .float-box{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px;
    }
    .float-box a,.backtop{
      width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,#4c63ff,#7b5cff);color:#fff;box-shadow:0 16px 28px rgba(76,99,255,.22);
      border:none;cursor:pointer;
    }
    .float-box a:hover,.backtop:hover{transform:translateY(-2px)}
    .backtop{display:none}
    .floating-contact{
      display:none;position:fixed;left:16px;bottom:16px;z-index:60;
      padding:12px 14px;border-radius:16px;background:#fff;border:1px solid #d9e1ef;box-shadow:var(--shadow);
      color:#223046;font-weight:700;
    }
    .scroll-reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease, transform .6s ease}
    .scroll-reveal.in{opacity:1;transform:none}
    .inline-note{font-size:13px;color:var(--muted);line-height:1.7}
    .compare-list{display:grid;gap:10px;margin-top:14px}
    .compare-row{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:16px;background:#f8fbff;border:1px solid #e3eaf6}
    .compare-row b{min-width:84px}
    .article-card .meta{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
    .article-card .meta span{font-size:12px;padding:6px 9px;border-radius:999px;background:#f4f7ff;border:1px solid #dbe4f4;color:#44536c}
    .hero-side .image-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .hero-side .image-strip .imgbox{
      min-height:122px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg, #edf2ff, #f7fafc);
      border:1px solid #e2e9f5;display:flex;align-items:center;justify-content:center;color:#63708b;font-size:13px;
    }
    @media (max-width: 1100px){
      .hero-grid,.split,.contact-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.review-grid,.article-grid,.grid-3,.workflow{grid-template-columns:repeat(2,1fr)}
      .hero{padding-top:36px}
    }
    @media (max-width: 820px){
      .nav-toggle{display:inline-flex}
      .menu,.cta-mini{display:none}
      .menu.open{
        display:flex;position:absolute;left:16px;right:16px;top:74px;z-index:70;
        background:#fff;border:1px solid #d9e1ef;border-radius:18px;padding:12px;box-shadow:var(--shadow)
      }
      .menu.open a{width:calc(50% - 4px);text-align:center;background:#f8fbff}
      .hero-copy,.hero-side,.section-card,.contact-card,.form-card{padding:20px}
      .hero-metrics,.grid-3,.grid-4,.review-grid,.article-grid,.workflow{grid-template-columns:1fr}
      .floating-contact{display:flex}
    }