:root{
      --bg:#f7f5ef;
      --panel:#ffffff;
      --panel-2:#fffaf0;
      --text:#1f2937;
      --muted:#667085;
      --line:#e7dfcf;
      --brand:#6b5cff;
      --brand-2:#22c55e;
      --brand-3:#f97316;
      --brand-4:#06b6d4;
      --shadow:0 18px 40px rgba(31,41,55,.08);
      --radius:20px;
      --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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(107,92,255,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(34,197,94,.10), transparent 24%),
        linear-gradient(180deg,#fff 0%, #fbf8f1 18%, #f7f5ef 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(231,223,207,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:72px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 18px rgba(31,41,55,.08)}
    .brand .name{display:flex;flex-direction:column;line-height:1.15}
    .brand strong{font-size:18px}
    .brand span{font-size:12px;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .nav-links a,.nav-links .home-link{
      padding:9px 12px;border-radius:999px;color:#334155;font-size:14px;
      transition:.2s ease;background:transparent
    }
    .nav-links a:hover,.nav-links .home-link:hover{background:#f1ecff;color:#4f46e5}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      box-shadow:0 10px 22px rgba(107,92,255,.18);
      white-space:nowrap
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#8b5cf6);color:#fff}
    .btn-ghost{background:#fff;color:#334155;border:1px solid var(--line);box-shadow:none}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px}
    .menu-toggle span{display:block;width:18px;height:2px;background:#334155;margin:4px auto;border-radius:2px}
    .hero{
      padding:46px 0 24px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch
    }
    .hero-main,.hero-side,.card,.section-card,.faq-item,.testimonial,.article-item,.service-card,.step-card,.price-card,.compare-card,.form-card,.timeline-card{
      background:var(--panel);border:1px solid rgba(231,223,207,.9);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-main{padding:34px;position:relative;overflow:hidden;background:
      linear-gradient(135deg, rgba(255,255,255,.96), rgba(247,245,239,.96)),
      radial-gradient(circle at top right, rgba(249,115,22,.10), transparent 30%),
      radial-gradient(circle at bottom left, rgba(34,197,94,.10), transparent 28%);
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#f4f1ff;color:#4f46e5;font-weight:700;font-size:13px}
    h1{margin:16px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.05;letter-spacing:-.03em}
    .hero p{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:24px 0 22px}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:10px}
    .metric{padding:16px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .metric strong{display:block;font-size:24px;color:#111827}
    .metric span{font-size:13px;color:var(--muted)}
    .hero-side{padding:20px;background:
      linear-gradient(180deg,#fff,#fff8ee);
    }
    .hero-side .panel-title{font-size:18px;margin:2px 0 10px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 11px;border-radius:999px;background:#f8fafc;border:1px solid #e5e7eb;color:#334155;font-size:13px}
    .mini-note{margin-top:16px;padding:14px;border-radius:14px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;line-height:1.7;font-size:14px}
    .section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;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}
    .card,.service-card,.step-card,.price-card,.compare-card,.form-card,.timeline-card,.testimonial,.article-item,.faq-item{padding:20px}
    .card h3,.service-card h3,.step-card h3,.price-card h3,.compare-card h3,.form-card h3,.timeline-card h3,.testimonial h3,.article-item h3{margin:0 0 10px;font-size:18px}
    .muted{color:var(--muted);line-height:1.75}
    .list{margin:0;padding-left:18px;color:var(--text);line-height:1.8}
    .service-card{position:relative;overflow:hidden}
    .service-card:before{content:"";position:absolute;inset:auto -20px -20px auto;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle, rgba(107,92,255,.16), transparent 70%)}
    .service-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
    .pill{padding:6px 10px;border-radius:999px;background:#f8fafc;border:1px solid #e5e7eb;font-size:12px;color:#334155}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step-card .num{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:linear-gradient(135deg,#6b5cff,#22c55e);color:#fff;font-weight:700;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:15px 14px;text-align:left;border-bottom:1px solid #eee}
    th{background:#faf7f0;font-size:14px}
    tr:last-child td{border-bottom:none}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .stars{color:#f59e0b;font-size:18px;letter-spacing:2px}
    .compare-badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:#ecfeff;color:#0f766e;font-weight:700}
    .comparison-highlight{display:grid;grid-template-columns:1.08fr .92fr;gap:16px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price strong{font-size:28px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
    input,select,textarea{
      width:100%;border:1px solid #d7dbe3;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);
      outline:none;transition:border .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#8b5cf6;box-shadow:0 0 0 4px rgba(139,92,246,.12)}
    textarea{min-height:120px;resize:vertical}
    .full{grid-column:1/-1}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;border:0;background:#fff;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;
      font:inherit;font-weight:700;color:#1f2937;cursor:pointer;text-align:left
    }
    .faq-a{padding:0 20px 18px;color:var(--muted);line-height:1.8;display:none}
    .faq-item.active .faq-a{display:block}
    .faq-item.active .faq-q{background:#fbfaf6}
    .chev{transition:transform .2s ease}
    .faq-item.active .chev{transform:rotate(180deg)}
    .testimonial .who{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#6b5cff,#22c55e);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
    .article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .article-item a{color:#4f46e5;font-weight:700}
    .footer{
      margin-top:18px;padding:26px 0 30px;background:#111827;color:#e5e7eb;border-top:1px solid rgba(255,255,255,.08)
    }
    .footer a{color:#fff}
    .footer .muted{color:#cbd5e1}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 10px;border-radius:10px;background:rgba(255,255,255,.06)}
    .bottom-bar{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:14px;color:#cbd5e1}
    .float-tools{
      position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-tools a,.to-top{
      width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,#6b5cff,#8b5cf6);color:#fff;box-shadow:0 14px 28px rgba(107,92,255,.28);border:0;cursor:pointer
    }
    .to-top{display:none}
    .fade-in{opacity:0;transform:translateY(14px);transition:opacity .6s ease, transform .6s ease}
    .fade-in.in-view{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.comparison-highlight,.grid-3,.grid-2,.timeline,.price-grid,.article-list,.footer-grid{grid-template-columns:1fr}
      .hero-metrics{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-block}
      .nav.open .nav-links{
        display:flex;position:absolute;left:20px;right:20px;top:78px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start
      }
      .nav.open .nav-actions{margin-left:auto}
      .form-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
    }