:root{
      --bg:#f6f4ef;
      --bg2:#eef3ff;
      --card:#ffffff;
      --ink:#1f2937;
      --muted:#5b6472;
      --line:#d9e0ee;
      --brand:#ff4f7b;
      --brand2:#2c6cff;
      --brand3:#12b8a6;
      --gold:#ffb020;
      --shadow:0 18px 40px rgba(31,41,55,.10);
      --shadow2:0 10px 28px rgba(44,108,255,.12);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:
      radial-gradient(circle at top left, rgba(255,79,123,.12), transparent 26%),
      radial-gradient(circle at top right, rgba(44,108,255,.12), transparent 22%),
      linear-gradient(180deg, #fff 0%, var(--bg) 38%, #f8f9fc 100%);
      line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(calc(100% - 32px), var(--container));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,224,238,.75)}
    .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 img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 18px rgba(31,41,55,.08)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;line-height:1.1}
    .brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .nav-links a{font-size:14px;color:#334155;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{background:rgba(44,108,255,.08);color:var(--brand2)}
    .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 16px;font-weight:700;cursor:pointer;transition:.25s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7b59);color:#fff;box-shadow:0 14px 28px rgba(255,79,123,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,79,123,.28)}
    .btn-secondary{background:#fff;color:var(--brand2);border:1px solid rgba(44,108,255,.18)}
    .btn-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
    .menu-toggle span:before,.menu-toggle span:after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s}
    .menu-toggle span:before{top:-6px}.menu-toggle span:after{top:6px}
    .hero{padding:38px 0 24px;position:relative;overflow:hidden}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
    .hero:before{width:320px;height:320px;background:radial-gradient(circle, rgba(255,79,123,.15), transparent 65%);right:-120px;top:-80px}
    .hero:after{width:260px;height:260px;background:radial-gradient(circle, rgba(44,108,255,.12), transparent 68%);left:-100px;bottom:-80px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-panel,.card,.section-card,.timeline-item,.review,.faq-item,.contact-panel,.article-item,.case-item,.compare-box{background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border:1px solid rgba(217,224,238,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(255,79,123,.10);color:#b4234d;font-size:13px;font-weight:700}
    h1{margin:14px 0 14px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:62ch}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #f7f9ff);border:1px solid rgba(44,108,255,.10)}
    .stat strong{display:block;font-size:20px;color:var(--brand2)}
    .stat span{display:block;font-size:13px;color:var(--muted);margin-top:5px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
    .hero-note{margin-top:16px;padding-top:16px;border-top:1px dashed rgba(91,100,114,.18);font-size:14px;color:var(--muted)}
    .hero-panel{padding:22px;display:flex;flex-direction:column;gap:14px}
    .panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
    .tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(18,184,166,.10);color:#0d7f74;font-size:12px;font-weight:700}
    .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .mini-card{padding:15px;border-radius:18px;background:linear-gradient(135deg, rgba(44,108,255,.08), rgba(255,79,123,.08));border:1px solid rgba(255,79,123,.08)}
    .mini-card strong{display:block;font-size:15px;margin-bottom:4px}
    .mini-card p{margin:0;color:var(--muted);font-size:13px}
    .hero-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .hero-list li{display:flex;gap:10px;align-items:flex-start;color:#334155;font-size:14px}
    .dot{flex:none;width:10px;height:10px;border-radius:50%;margin-top:6px;background:linear-gradient(135deg,var(--brand2),var(--brand))}
    .section{padding:18px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(22px,3.2vw,34px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:68ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{padding:20px}
    .card h3,.card h4{margin:0 0 10px}
    .card p{margin:0;color:var(--muted)}
    .icon{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;margin-bottom:14px;background:linear-gradient(135deg, rgba(255,79,123,.14), rgba(44,108,255,.14));color:var(--brand2);font-weight:900}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(217,224,238,.92);color:#334155;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step{padding:20px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid rgba(44,108,255,.10);border-radius:20px;position:relative}
    .step b{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:rgba(255,79,123,.12);color:#c21f53;margin-bottom:12px}
    .compare-box{padding:0;overflow:hidden}
    .compare-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 16px;border-bottom:1px solid rgba(217,224,238,.85);text-align:left;vertical-align:top;font-size:14px}
    th{background:linear-gradient(180deg,#f7f9ff,#eef4ff);color:#1e2b44}
    tr:hover td{background:rgba(44,108,255,.03)}
    .rating{font-weight:800;color:#b4234d}
    .score{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:18px 20px;border-bottom:1px solid rgba(217,224,238,.85);background:linear-gradient(135deg, rgba(255,79,123,.08), rgba(44,108,255,.08))}
    .score strong{font-size:20px}
    .bar{height:8px;background:#e9eef8;border-radius:999px;overflow:hidden;flex:1;min-width:180px}
    .bar span{display:block;height:100%;width:99%;background:linear-gradient(90deg,var(--brand),var(--brand2))}
    .case-item{padding:20px}
    .case-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;margin-bottom:10px}
    .badge{font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--brand2),#4c9aff);padding:6px 10px;border-radius:999px}
    .timeline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
    .timeline-item{padding:18px}
    .timeline-item .num{font-weight:900;color:var(--brand2);font-size:14px}
    .reviews,.articles,.faq-list{display:grid;gap:16px}
    .review{padding:18px}
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .stars{color:var(--gold);letter-spacing:2px}
    .article-item{padding:18px;display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
    .article-item strong{display:block;margin-bottom:8px}
    .article-item span{display:block;color:var(--muted);font-size:14px}
    .article-item a{color:var(--brand2);font-weight:700}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;text-align:left;border:0;background:transparent;padding:18px 20px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;gap:12px}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q .plus{transform:rotate(45deg)}
    .plus{transition:.25s;color:var(--brand2);font-size:22px;line-height:1}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;font-weight:700;color:#334155}
    input,select,textarea{width:100%;border:1px solid #cfd8e6;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--ink);outline:none;transition:.2s}
    textarea{min-height:118px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(44,108,255,.5);box-shadow:0 0 0 4px rgba(44,108,255,.08)}
    .form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:6px}
    .subtle{font-size:13px;color:var(--muted)}
    .contact-panel{padding:22px}
    .contact-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .contact-list li{display:flex;gap:10px;align-items:flex-start}
    .footer{margin-top:18px;padding:18px 0 28px;border-top:1px solid rgba(217,224,238,.9);background:rgba(255,255,255,.72)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .footer a{color:var(--brand2)}
    .footer small,.footer p{color:#475569}
    .float-actions{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-actions a,.float-actions button{width:52px;height:52px;border-radius:18px;border:0;display:grid;place-items:center;box-shadow:var(--shadow);background:#fff;color:var(--ink);cursor:pointer;transition:.25s}
    .float-actions a:hover,.float-actions button:hover{transform:translateY(-3px)}
    .backtop{display:none}
    .floating-chat{position:fixed;left:18px;bottom:18px;z-index:60;display:flex;gap:10px;align-items:center;background:#fff;border:1px solid rgba(217,224,238,.9);padding:10px 12px;border-radius:999px;box-shadow:var(--shadow)}
    .floating-chat img{width:34px;height:34px;border-radius:10px;object-fit:cover}
    .floating-chat span{font-size:13px;font-weight:700;color:#334155}
    .section-card{padding:22px}
    .service-network{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .network-item{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid rgba(44,108,255,.10)}
    .network-item strong{display:block;margin-bottom:6px}
    .network-item p{margin:0;color:var(--muted);font-size:13px}
    .articles-slim{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .articles-slim a{display:block;padding:16px 18px;border-radius:18px;background:#fff;border:1px solid rgba(217,224,238,.9);color:#243041;font-weight:700}
    .articles-slim a span{display:block;font-weight:400;color:var(--muted);margin-top:6px;font-size:13px}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.steps,.timeline,.service-network,.footer-grid{grid-template-columns:1fr 1fr}
      .grid-3,.grid-2,.articles-slim{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid rgba(217,224,238,.95);border-radius:18px;padding:10px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .menu-toggle{display:inline-flex}
      .nav-actions .btn-secondary{display:none}
      .hero{padding-top:22px}
      .hero-grid,.grid-4,.grid-3,.grid-2,.steps,.timeline,.service-network,.footer-grid,.mini-grid,.hero-points,.form-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .article-item,.case-top{flex-direction:column}
      .floating-chat{max-width:calc(100% - 24px)}
      .floating-chat span{display:none}
      .container{width:min(calc(100% - 24px), var(--container))}
      table{min-width:920px}
    }
    [data-reveal]{opacity:0;transform:translateY(18px);transition:.7s ease}
    [data-reveal].in{opacity:1;transform:none}