:root{
      --bg:#fbf8f4;
      --panel:#ffffff;
      --panel-2:#fff4ef;
      --panel-3:#fff0f0;
      --text:#1f2937;
      --muted:#5c6470;
      --red:#b31217;
      --red-2:#ef4444;
      --line:#eadfd9;
      --gold:#c9922a;
      --shadow:0 12px 32px rgba(90, 31, 31, .10);
      --shadow-soft:0 8px 22px rgba(90, 31, 31, .08);
      --radius:18px;
      --radius-sm:12px;
      --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(179,18,23,.12), transparent 28%),
        radial-gradient(circle at 88% 10%, rgba(239,68,68,.08), transparent 20%),
        linear-gradient(180deg, #fff8f5 0%, #fbf8f4 20%, #fcfaf8 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}
    .site-header{
      position:sticky; top:0; z-index:80;
      backdrop-filter: blur(12px);
      background:rgba(255,249,246,.86);
      border-bottom:1px solid rgba(234,223,217,.85);
    }
    .topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:1rem;line-height:1.1}
    .brand-text span{display:block;font-size:.82rem;color:var(--muted);margin-top:4px}
    .nav-wrap{display:flex;align-items:center;gap:14px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    nav ul{list-style:none;display:flex;align-items:center;gap:10px;margin:0;padding:0;flex-wrap:wrap;justify-content:flex-end}
    nav a{display:inline-flex;align-items:center;padding:9px 12px;border-radius:999px;color:#374151;font-size:.92rem;transition:.2s ease}
    nav a:hover{background:var(--panel-2);color:var(--red)}
    .cta-mini{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:linear-gradient(135deg,var(--red),#e11d48);color:#fff;box-shadow:0 10px 18px rgba(179,18,23,.18)}
    .hero{
      padding:30px 0 14px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:20px;
      align-items:stretch;
    }
    .hero-main{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      padding:34px;
      background:
        linear-gradient(135deg, rgba(179,18,23,.98), rgba(151,10,15,.94) 48%, rgba(113,9,12,.96));
      color:#fff;
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .hero-main:before,.hero-main:after{
      content:""; position:absolute; border-radius:999px; background:rgba(255,255,255,.08); z-index:-1;
      animation: float 8s ease-in-out infinite;
    }
    .hero-main:before{width:220px;height:220px;right:-70px;top:-48px}
    .hero-main:after{width:140px;height:140px;left:-28px;bottom:-40px;animation-delay:-2s}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);padding:8px 12px;border-radius:999px;font-size:.9rem}
    .hero h1{margin:16px 0 14px;font-size:clamp(2rem, 5vw, 3.8rem);line-height:1.08;letter-spacing:.01em}
    .hero p{margin:0;color:rgba(255,255,255,.9);line-height:1.85;font-size:1.02rem;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      border:1px solid transparent;border-radius:14px;padding:13px 18px;font-weight:700;
      transition:.22s ease; cursor:pointer;
    }
    .btn-primary{background:#fff;color:var(--red)}
    .btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(0,0,0,.14)}
    .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
    .btn-ghost:hover{background:rgba(255,255,255,.08)}
    .hero-stats{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px
    }
    .stat{
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;padding:16px 16px 15px;
      backdrop-filter: blur(8px);
    }
    .stat strong{display:block;font-size:1.5rem;line-height:1.1}
    .stat span{display:block;margin-top:6px;color:rgba(255,255,255,.88);font-size:.92rem;line-height:1.55}
    .hero-side{
      display:grid;gap:16px
    }
    .card{
      background:rgba(255,255,255,.85);
      border:1px solid rgba(234,223,217,.95);
      border-radius:24px;
      box-shadow:var(--shadow-soft);
    }
    .side-card{padding:22px}
    .side-card h2,.section-title h2{margin:0 0 10px;font-size:1.5rem}
    .side-card p,.section-desc{margin:0;color:var(--muted);line-height:1.8}
    .quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}
    .quick-item{background:linear-gradient(180deg,#fff, #fff7f4);border:1px solid var(--line);border-radius:16px;padding:14px}
    .quick-item strong{display:block;font-size:.98rem}
    .quick-item span{display:block;color:var(--muted);margin-top:6px;font-size:.88rem;line-height:1.5}
    .hero-cta{
      margin-top:16px; display:flex; flex-wrap:wrap; gap:10px;
    }
    .hero-contact{
      margin-top:16px;
      display:grid;gap:10px;
      padding:16px;
      background:linear-gradient(180deg,#fff, #fff4f0);
      border:1px dashed #efc9c9;
      border-radius:18px;
    }
    .hero-contact a{color:var(--red);font-weight:700}
    .section{padding:22px 0}
    .section-title{
      display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px
    }
    .section-title h2{font-size:clamp(1.35rem, 3vw, 2rem)}
    .tagline{color:var(--muted);font-size:.96rem;line-height:1.7;max-width:62ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .metric{
      padding:20px;border-radius:20px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-soft)
    }
    .metric .num{font-size:1.75rem;font-weight:800;color:var(--red);line-height:1}
    .metric .label{margin-top:8px;font-weight:700}
    .metric .desc{margin-top:8px;color:var(--muted);font-size:.92rem;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .service-card,.flow-card,.case-card,.review-card,.news-card,.faq-item,.price-card,.timeline-card,.network-card,.compare-card{
      padding:20px;border-radius:22px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-soft)
    }
    .service-card h3,.flow-card h3,.case-card h3,.review-card h3,.news-card h3,.price-card h3,.network-card h3{margin:0 0 10px;font-size:1.08rem}
    .service-card p,.flow-card p,.case-card p,.review-card p,.news-card p,.price-card p,.network-card p{margin:0;color:var(--muted);line-height:1.8}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .pill{padding:7px 10px;border-radius:999px;background:#fff7f4;border:1px solid #f1d4cc;color:#7a1d1f;font-size:.86rem}
    .two-col{display:grid;grid-template-columns:1.04fr .96fr;gap:16px;align-items:start}
    .intro-box{padding:24px;border-radius:24px;background:linear-gradient(180deg,#fff, #fff6f4);border:1px solid var(--line);box-shadow:var(--shadow-soft)}
    .intro-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
    .intro-list li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;color:var(--muted)}
    .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--red),#ef4444);margin-top:.45em;flex:none}
    .gallery{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px
    }
    .gallery figure{margin:0;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff}
    .gallery figcaption{padding:12px 14px;color:var(--muted);font-size:.92rem;line-height:1.6}
    .gallery img{aspect-ratio: 16 / 10; object-fit:cover}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .flow-card .step{
      display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;
      background:linear-gradient(135deg,var(--red),#ef4444);color:#fff;font-weight:800;margin-bottom:12px
    }
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow-soft)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:15px 16px;border-bottom:1px solid #f0e5df;text-align:left;vertical-align:top}
    th{background:#fff5f2;color:#7a1d1f;font-size:.94rem}
    tr:last-child td{border-bottom:none}
    .check{color:#0f766e;font-weight:700}
    .cross{color:#b91c1c;font-weight:700}
    .rating{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px
    }
    .stars{color:#f59e0b;letter-spacing:2px;font-size:1.05rem}
    .badge-score{padding:8px 12px;border-radius:999px;background:#fff4ef;border:1px solid #efc9c9;color:#9a1d22;font-weight:700}
    .tags-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud{
      padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 6px 14px rgba(80,20,20,.05);
      color:#4b5563
    }
    .price-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .price-card{position:relative;overflow:hidden}
    .price-card.featured{border-color:#efc9c9;background:linear-gradient(180deg,#fff, #fff4f0)}
    .price{font-size:2rem;font-weight:900;color:var(--red);margin:8px 0 10px}
    .price-card ul{margin:14px 0 0;padding-left:18px;color:var(--muted);line-height:1.85}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .timeline-card .mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:14px;background:#fff0f0;color:var(--red);font-weight:800;border:1px solid #f1c6c6}
    .faqs{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;padding:18px 20px;background:transparent;border:0;text-align:left;color:var(--text);
      display:flex;justify-content:space-between;align-items:center;font-size:1rem;font-weight:700;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease,padding .26s ease}
    .faq-a p{margin:0;padding:0 20px 18px;color:var(--muted);line-height:1.8}
    .faq-item.active .faq-a{max-height:180px}
    .faq-item.active .faq-a p{padding-top:0}
    .faq-icon{color:var(--red);font-size:1.2rem}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .avatar{
      width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,#fde2e2,#fff0f0);border:1px solid #efc9c9;color:var(--red);font-weight:800
    }
    .review-card .role{color:var(--muted);font-size:.9rem;margin-top:2px}
    .review-card .text{color:var(--text);line-height:1.85;margin-top:12px}
    .reviews .mini-pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:#fff5f2;color:#9f1d21;font-size:.84rem;border:1px solid #f3d1cb}
    .news-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .news-card a{color:var(--red);font-weight:700}
    .contact-grid{display:grid;grid-template-columns:1fr .78fr;gap:16px;align-items:start}
    form{
      display:grid;gap:12px;
      padding:22px;border-radius:24px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-soft)
    }
    .field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    label{display:block;font-size:.93rem;font-weight:700;margin-bottom:7px}
    input,select,textarea{
      width:100%;border:1px solid #e5d9d2;background:#fff;border-radius:14px;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#e08d8d;box-shadow:0 0 0 4px rgba(179,18,23,.08)}
    textarea{min-height:120px;resize:vertical}
    .submit-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
    .form-note{color:var(--muted);font-size:.9rem;line-height:1.7}
    .sidebar-panel{
      padding:22px;border-radius:24px;background:linear-gradient(180deg,#fff, #fff6f4);border:1px solid var(--line);box-shadow:var(--shadow-soft)
    }
    .side-contact{
      display:grid;gap:12px;margin-top:14px
    }
    .side-contact .line{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    .qrcode-box{
      margin-top:16px;display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:center;
      padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .qrcode-box img{width:110px;border-radius:14px;aspect-ratio:1/1;object-fit:cover}
    .footer{
      margin-top:18px;padding:24px 0 90px;background:#fff6f1;border-top:1px solid #f0ddd5;color:#4b5563
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer a{color:var(--red);font-weight:700}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .footer .links a{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .copyright{margin-top:16px;font-size:.9rem;color:#6b7280;line-height:1.8}
    .floating{
      position:fixed;right:14px;bottom:16px;z-index:90;display:grid;gap:10px
    }
    .float-btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 14px;border-radius:999px;background:linear-gradient(135deg,var(--red),#ef4444);
      color:#fff;box-shadow:0 16px 30px rgba(179,18,23,.22);font-weight:700
    }
    .float-btn.secondary{background:#fff;color:var(--red);border:1px solid #efc9c9}
    .backtop{position:fixed;left:14px;bottom:16px;z-index:90;display:none}
    .backtop button{
      border:1px solid #efc9c9;background:#fff;color:var(--red);border-radius:999px;padding:12px 14px;box-shadow:var(--shadow-soft);cursor:pointer;font-weight:700
    }
    .mobile-menu{display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .anchor-pad{scroll-margin-top:92px}
    .mini-bar{
      margin-top:18px;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);
      display:flex;flex-wrap:wrap;gap:10px;align-items:center
    }
    .mini-bar span{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.1)}
    .service-net{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px
    }
    .service-net .network-card strong{display:block;color:var(--red);font-size:1.02rem;margin-bottom:8px}
    .compare-note{margin-top:10px;color:var(--muted);font-size:.92rem;line-height:1.7}
    @keyframes float{50%{transform:translateY(10px)}}
    @media (max-width: 1080px){
      .hero-grid,.two-col,.contact-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.grid-3,.workflow,.price-list,.timeline,.reviews,.news-list,.service-net{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width: 760px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .topbar{position:relative}
      .nav-toggle{display:inline-flex}
      .nav-wrap{margin-left:auto}
      nav{
        position:absolute;left:0;right:0;top:100%;background:rgba(255,250,247,.98);border-bottom:1px solid var(--line);
        padding:10px 0 14px;display:none;box-shadow:0 12px 20px rgba(0,0,0,.06)
      }
      nav.open{display:block}
      nav ul{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 12px;justify-content:stretch}
      nav a{justify-content:center;background:#fff;border:1px solid var(--line)}
      .mobile-menu{display:block}
      .hero-main{padding:24px 18px}
      .hero-stats,.grid-4,.grid-3,.workflow,.price-list,.timeline,.reviews,.news-list,.service-net,.field-grid,.gallery{grid-template-columns:1fr}
      .hero-side{gap:14px}
      .section-title{flex-direction:column;align-items:flex-start}
      .btn{width:100%}
      .hero-actions,.hero-cta{display:grid}
      .floating{right:10px;bottom:10px}
      .backtop{left:10px;bottom:10px}
      .qrcode-box{grid-template-columns:1fr}
      .qrcode-box img{width:100%;max-width:180px}
    }