:root{
      --bg:#f7f5ef;
      --bg2:#fffaf2;
      --card:#ffffff;
      --text:#172033;
      --muted:#5f687c;
      --line:#e7dfd2;
      --accent:#ff4d4f;
      --accent2:#6c63ff;
      --accent3:#18b7a0;
      --shadow:0 18px 50px rgba(34, 40, 60, .08);
      --shadow2:0 10px 26px rgba(34, 40, 60, .10);
      --radius:20px;
      --radius2:26px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,77,79,.12), transparent 28%),
        radial-gradient(circle at 92% 8%, rgba(108,99,255,.12), transparent 24%),
        linear-gradient(180deg, #fff 0%, var(--bg) 22%, #fffdf8 100%);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header, main, footer{position:relative}
    .topbar{
      position:sticky; top:0; z-index:60;
      backdrop-filter:blur(14px);
      background:rgba(247,245,239,.82);
      border-bottom:1px solid rgba(231,223,210,.8);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      min-height:76px;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand .logo-wrap{
      width:42px; height:42px; border-radius:12px; background:#fff; box-shadow:var(--shadow2);
      display:grid; place-items:center; overflow:hidden; border:1px solid var(--line);
      flex:none;
    }
    .brand img{width:100%; height:100%; object-fit:contain}
    .brand-text{min-width:0}
    .brand-text strong{display:block; font-size:18px; letter-spacing:.5px}
    .brand-text span{display:block; font-size:12px; color:var(--muted)}
    .navlinks{display:flex; align-items:center; gap:14px; flex-wrap:wrap; justify-content:flex-end}
    .navlinks a{
      font-size:14px; color:#354055; padding:8px 10px; border-radius:999px;
      transition:.2s ease; white-space:nowrap;
    }
    .navlinks a:hover, .navlinks a.active{background:#fff; box-shadow:0 6px 18px rgba(34,40,60,.08); color:#1f2a44}
    .nav-right{display:flex; align-items:center; gap:10px}
    .btn{
      border:0; cursor:pointer; border-radius:999px; padding:12px 18px; font-weight:700;
      transition:.22s ease; display:inline-flex; align-items:center; justify-content:center; gap:8px;
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--accent),#ff7a59); color:#fff; box-shadow:0 14px 30px rgba(255,77,79,.25)}
    .btn-primary:hover{transform:translateY(-2px); box-shadow:0 18px 34px rgba(255,77,79,.3)}
    .btn-dark{background:#182033; color:#fff}
    .btn-ghost{background:#fff; color:#1e2436; border:1px solid var(--line)}
    .menu-toggle{display:none; background:#fff; border:1px solid var(--line); width:44px; height:44px; border-radius:14px}
    .menu-toggle span{display:block; width:18px; height:2px; background:#223; margin:4px auto; border-radius:10px}
    .hero{padding:26px 0 20px}
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:22px; align-items:stretch;
      background:linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,250,242,.82));
      border:1px solid rgba(231,223,210,.9); border-radius:32px; box-shadow:var(--shadow);
      padding:28px;
      overflow:hidden;
    }
    .hero-copy{display:flex; flex-direction:column; gap:18px}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px; width:fit-content;
      background:rgba(255,77,79,.09); color:#c41c2b; padding:8px 12px; border-radius:999px; font-size:13px; font-weight:700;
    }
    h1{margin:0; font-size:clamp(30px,5vw,54px); line-height:1.06; letter-spacing:-.02em}
    .hero-copy p{margin:0; color:var(--muted); font-size:16px; max-width:62ch}
    .hero-actions{display:flex; gap:12px; flex-wrap:wrap}
    .hero-points{
      display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin-top:4px
    }
    .mini-stat{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:14px 14px 12px; box-shadow:0 10px 24px rgba(34,40,60,.05)
    }
    .mini-stat strong{display:block; font-size:20px}
    .mini-stat span{display:block; margin-top:4px; color:var(--muted); font-size:13px}
    .hero-aside{
      display:grid; grid-template-rows:auto auto 1fr; gap:14px;
    }
    .hero-card{
      background:linear-gradient(180deg,#182033 0%, #232b47 100%);
      color:#fff; border-radius:28px; padding:22px; position:relative; overflow:hidden; min-height:100%;
      box-shadow:0 18px 40px rgba(24,32,51,.18);
    }
    .hero-card:before,.hero-card:after{
      content:""; position:absolute; border-radius:50%; background:rgba(255,255,255,.08);
    }
    .hero-card:before{width:180px;height:180px; right:-70px; top:-70px}
    .hero-card:after{width:140px;height:140px; left:-50px; bottom:-65px}
    .hero-card h2{margin:0 0 10px; font-size:22px}
    .hero-card ul{margin:0; padding-left:18px; color:rgba(255,255,255,.86)}
    .hero-card li{margin:8px 0}
    .home-link{display:inline-flex; align-items:center; gap:8px; color:#fff; text-decoration:underline}
    .hero-side-grid{display:grid; grid-template-columns:1fr 1fr; gap:12px}
    .side-chip{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:14px; box-shadow:0 10px 24px rgba(34,40,60,.05)
    }
    .side-chip strong{display:block; font-size:18px}
    .side-chip span{display:block; margin-top:4px; font-size:13px; color:var(--muted)}
    section{padding:20px 0}
    .section-head{display:flex; justify-content:space-between; gap:18px; align-items:end; margin-bottom:14px}
    .section-head h2{margin:0; font-size:28px; line-height:1.15}
    .section-head p{margin:0; color:var(--muted); max-width:58ch}
    .grid-4{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px}
    .grid-3{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .grid-2{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px}
    .card{
      background:var(--card); border:1px solid var(--line); border-radius:var(--radius); box-shadow:0 10px 24px rgba(34,40,60,.05);
      padding:18px; transition:.22s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:var(--shadow2)}
    .stat-card h3,.service-card h3,.case-card h3,.article-card h3,.review-card h3,.faq-item summary{margin:0}
    .stat-card strong{display:block; font-size:30px; margin-bottom:6px}
    .stat-card p,.service-card p,.case-card p,.review-card p,.article-card p{margin:0; color:var(--muted)}
    .icon{
      width:46px; height:46px; border-radius:16px; display:grid; place-items:center; font-weight:800; margin-bottom:14px;
      background:linear-gradient(135deg, rgba(255,77,79,.15), rgba(108,99,255,.16)); color:#b51926;
    }
    .service-card{display:flex; flex-direction:column; gap:12px}
    .badge-row{display:flex; flex-wrap:wrap; gap:8px}
    .badge{
      display:inline-flex; align-items:center; padding:7px 10px; border-radius:999px; background:#f4f7ff; color:#334; font-size:12px; border:1px solid #dfe7ff;
    }
    .process{counter-reset:step}
    .step{
      position:relative; padding-left:54px;
    }
    .step:before{
      counter-increment:step; content:counter(step);
      position:absolute; left:0; top:0; width:36px; height:36px; border-radius:12px;
      background:linear-gradient(135deg,var(--accent2),#7c8cff); color:#fff; display:grid; place-items:center; font-weight:800;
      box-shadow:0 12px 24px rgba(108,99,255,.22);
    }
    .compare{
      overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff;
    }
    table{width:100%; border-collapse:collapse; min-width:760px}
    th,td{padding:14px 14px; text-align:left; border-bottom:1px solid #eee7dc; vertical-align:top}
    th{background:#faf8f4; font-size:14px}
    tr:last-child td{border-bottom:0}
    .highlight{background:linear-gradient(90deg, rgba(255,77,79,.08), rgba(255,77,79,.02))}
    .rating{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center
    }
    .stars{color:#ff9800; font-size:20px; letter-spacing:2px}
    .quote{
      background:linear-gradient(180deg,#fff,#fff8f3); border-left:4px solid var(--accent); border-radius:20px; padding:18px;
    }
    .timeline{display:grid; gap:12px}
    .timeline-item{
      display:grid; grid-template-columns:120px 1fr; gap:14px; align-items:start;
      padding:16px; border-radius:18px; background:#fff; border:1px solid var(--line)
    }
    .timeline-item strong{display:block}
    .timeline-item span{color:var(--muted); font-size:14px}
    .tabs-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{
      padding:10px 14px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#334; box-shadow:0 8px 20px rgba(34,40,60,.04)
    }
    .faq-item{border:1px solid var(--line); border-radius:18px; background:#fff; overflow:hidden}
    .faq-item summary{
      cursor:pointer; list-style:none; padding:16px 18px; font-weight:700; display:flex; justify-content:space-between; gap:12px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .answer{padding:0 18px 16px; color:var(--muted)}
    .contact-wrap{display:grid; grid-template-columns:1.05fr .95fr; gap:14px}
    form{display:grid; gap:12px}
    .field{display:grid; gap:8px}
    label{font-size:14px; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid var(--line); border-radius:14px; background:#fff; padding:13px 14px; font:inherit; color:var(--text);
      outline:none; transition:.18s ease;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(255,77,79,.55); box-shadow:0 0 0 4px rgba(255,77,79,.1)}
    .contact-box{
      background:linear-gradient(180deg,#182033,#222a43); color:#fff; border-radius:26px; padding:22px; position:relative; overflow:hidden
    }
    .contact-box p,.contact-box li,.contact-box a{color:rgba(255,255,255,.9)}
    .contact-box .qrcode{
      width:180px; max-width:100%; border-radius:20px; overflow:hidden; border:2px solid rgba(255,255,255,.16); background:#fff; margin-top:10px
    }
    .footer{
      padding:18px 0 26px;
      border-top:1px solid var(--line);
      background:#f9f6ef;
      color:#233;
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:16px; align-items:start}
    .footer a{color:#1f3b78}
    .footer small{color:#5c6678}
    .fixed-tools{
      position:fixed; right:16px; bottom:16px; z-index:80; display:grid; gap:10px;
    }
    .tool{
      width:52px; height:52px; border-radius:18px; display:grid; place-items:center; border:1px solid var(--line);
      background:#fff; box-shadow:0 12px 30px rgba(34,40,60,.12); cursor:pointer;
    }
    .tool:hover{transform:translateY(-2px)}
    .floating-card{
      position:fixed; left:16px; bottom:16px; z-index:70; width:min(290px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:22px; box-shadow:var(--shadow); padding:14px; display:none;
    }
    .floating-card.show{display:block}
    .floating-card strong{display:block; margin-bottom:6px}
    .floating-card p{margin:0 0 10px; color:var(--muted); font-size:14px}
    .floating-card .row{display:flex; gap:10px; flex-wrap:wrap}
    .reveal{opacity:0; transform:translateY(16px); transition:.7s ease}
    .reveal.in{opacity:1; transform:none}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.contact-wrap,.footer-grid,.hero-side-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:start}
      .navlinks{display:none}
      .menu-toggle{display:inline-grid; place-items:center}
      .nav.open .navlinks{
        display:flex; position:absolute; left:0; right:0; top:76px; padding:14px 16px 18px;
        background:rgba(255,251,245,.98); border-bottom:1px solid var(--line); box-shadow:0 20px 40px rgba(34,40,60,.08);
      }
      .nav.open .navlinks a{background:#fff}
      .hero{padding-top:18px}
      .hero-points{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
      .mobile-only{display:block}
    }