:root{
      --bg0:#fbf5f7;
      --bg1:#ffffff;
      --text:#171717;
      --muted:#5a5a5a;
      --muted2:#7a7a7a;
      --line:rgba(17,17,17,.10);
      --card:#ffffff;
      --shadow:0 12px 30px rgba(17,17,17,.08);
      --shadow2:0 10px 22px rgba(160,0,40,.12);
      --red:#d3163a;
      --red2:#ff2a52;
      --red3:#9a0b26;
      --gold:#c18a2a;
      --blue:#1463ff;
      --focus:rgba(211,22,58,.22);
      --radius:18px;
      --radius2:14px;
      --container:1140px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 10% 0%, rgba(211,22,58,.10), transparent 55%),
        radial-gradient(900px 420px at 95% 10%, rgba(255,42,82,.09), transparent 55%),
        linear-gradient(180deg, #fff, var(--bg0) 42%, #fff 100%);
    }

    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }

    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:14px; top:14px; width:auto; height:auto; padding:10px 12px; background:#fff; border:1px solid var(--line); border-radius:12px; z-index:1000;
      box-shadow:var(--shadow);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(255,255,255,.72);
      border-bottom:1px solid rgba(17,17,17,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:180px;
    }
    .brand img{width:40px; height:40px; border-radius:12px; object-fit:cover; box-shadow:0 10px 20px rgba(211,22,58,.18)}
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted2)}
    nav{display:flex; align-items:center; gap:10px}
    .nav-links{
      display:flex; align-items:center; gap:16px;
      padding:0; margin:0;
      list-style:none;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:var(--muted);
      padding:9px 10px;
      border-radius:12px;
      transition:background .2s ease, color .2s ease, transform .2s ease;
      display:inline-flex; align-items:center; gap:8px;
    }
    .nav-links a:hover{
      background:rgba(211,22,58,.08);
      color:var(--text);
      transform:translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      border:1px solid transparent;
      background:#fff;
      color:var(--text);
      font-weight:650;
      font-size:13px;
      cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:focus{outline:none; box-shadow:0 0 0 4px var(--focus)}
    .btn:hover{transform:translateY(-1px); box-shadow:0 12px 24px rgba(17,17,17,.08)}
    .btn-primary{
      background:linear-gradient(135deg, var(--red), var(--red2));
      color:#fff;
      border-color:rgba(211,22,58,.25);
      box-shadow:0 16px 30px rgba(211,22,58,.22);
    }
    .btn-primary:hover{
      box-shadow:0 22px 46px rgba(211,22,58,.26);
    }
    .btn-ghost{
      background:rgba(255,255,255,.75);
      border-color:rgba(17,17,17,.12);
    }
    .btn-small{padding:8px 12px; font-size:12.5px; border-radius:12px}
    .btn-icon{
      width:26px; height:26px; display:inline-flex; align-items:center; justify-content:center;
      border-radius:10px; background:rgba(255,255,255,.18); border:1px solid rgba(255,255,255,.22);
    }

    .mobile-toggle{
      display:none;
      width:42px; height:42px;
      border-radius:14px;
      border:1px solid rgba(17,17,17,.12);
      background:#fff;
      cursor:pointer;
      align-items:center; justify-content:center;
      transition:transform .18s ease, box-shadow .18s ease;
    }
    .mobile-toggle:hover{transform:translateY(-1px); box-shadow:0 12px 24px rgba(17,17,17,.08)}
    .burger{
      width:18px; height:12px; position:relative;
    }
    .burger span{
      position:absolute; left:0; right:0; height:2px; background:var(--text); border-radius:2px;
      transition:transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){top:0}
    .burger span:nth-child(2){top:5px}
    .burger span:nth-child(3){top:10px}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(1){top:5px; transform:rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(3){top:5px; transform:rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding:12px 0 18px;
    }
    .mobile-panel .card{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(17,17,17,.10);
      border-radius:18px;
      box-shadow:var(--shadow);
      padding:12px;
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:6px;
    }
    .mobile-links a{
      padding:10px 12px; border-radius:14px;
      border:1px solid rgba(17,17,17,.08);
      background:#fff;
      color:var(--text);
      font-weight:600;
      font-size:13px;
      display:flex; align-items:center; justify-content:space-between;
    }
    .mobile-links a span{color:var(--muted); font-weight:600; font-size:12px}

    main{display:block}
    .hero{
      padding:28px 0 8px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      background:
        radial-gradient(600px 260px at 18% 10%, rgba(255,42,82,.20), transparent 60%),
        radial-gradient(560px 260px at 90% 12%, rgba(211,22,58,.16), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.55));
      border:1px solid rgba(211,22,58,.16);
      border-radius:var(--radius);
      padding:22px;
      box-shadow:0 18px 40px rgba(211,22,58,.10);
      position:relative;
      overflow:hidden;
      min-height:340px;
    }
    .hero-left:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(120deg, rgba(255,42,82,.14), transparent 45%),
        linear-gradient(240deg, rgba(20,99,255,.10), transparent 50%);
      opacity:.9;
      pointer-events:none;
      mask: linear-gradient(#000, transparent 65%);
    }
    .hero-left-inner{position:relative; z-index:1}
    .badge-row{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
      margin-bottom:14px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(211,22,58,.16);
      background:rgba(255,255,255,.66);
      box-shadow:0 10px 20px rgba(211,22,58,.08);
      font-weight:700;
      font-size:12.5px;
      color:var(--text);
    }
    .badge i{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(180deg, var(--red2), var(--red3));
      box-shadow:0 0 0 4px rgba(211,22,58,.14);
      display:inline-block;
    }

    .hero h1{
      margin:0 0 10px;
      font-size:34px;
      line-height:1.1;
      letter-spacing:-.6px;
    }
    .hero p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:14.5px;
      line-height:1.7;
      max-width:58ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:10px;
      align-items:center;
      margin-top:8px;
    }
    .hero-meta{
      margin-top:18px;
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:10px;
    }
    .meta-card{
      background:rgba(255,255,255,.62);
      border:1px solid rgba(17,17,17,.10);
      border-radius:16px;
      padding:12px 12px;
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .meta-card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 40px rgba(17,17,17,.10);
    }
    .meta-card strong{
      display:block;
      font-size:18px;
      letter-spacing:-.3px;
      margin-bottom:4px;
    }
    .meta-card span{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.3;
      display:block;
    }

    .hero-right{
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.55));
      box-shadow:0 18px 40px rgba(17,17,17,.08);
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:12px;
      min-height:340px;
    }
    .panel-title{
      display:flex; align-items:center; justify-content:space-between;
      gap:10px;
    }
    .panel-title h2{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(211,22,58,.18);
      background:rgba(211,22,58,.07);
      color:var(--red3);
      font-weight:800;
      font-size:12.5px;
      white-space:nowrap;
    }
    .pill em{font-style:normal; color:var(--red)}
    .speed{
      display:flex; align-items:center; gap:10px;
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.70);
    }
    .speed .ring{
      width:52px; height:52px; border-radius:18px;
      background:conic-gradient(from 210deg, rgba(211,22,58,.95), rgba(255,42,82,.7), rgba(20,99,255,.55), rgba(211,22,58,.95));
      position:relative;
      box-shadow:0 18px 30px rgba(211,22,58,.18);
      flex:0 0 auto;
    }
    .speed .ring:after{
      content:"";
      position:absolute; inset:8px;
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.6));
      border-radius:14px;
      border:1px solid rgba(17,17,17,.08);
    }
    .speed .ring svg{
      position:absolute; inset:0;
      padding:7px;
      z-index:1;
      opacity:.95;
    }
    .speed .txt{min-width:0}
    .speed .txt strong{
      display:block;
      font-size:15px;
      letter-spacing:-.2px;
      margin-bottom:2px;
    }
    .speed .txt span{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.35;
      display:block;
    }

    .model-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .chip{
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.72);
      border-radius:16px;
      padding:10px 12px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .chip:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(17,17,17,.10);
      border-color:rgba(211,22,58,.22);
    }
    .chip strong{
      font-size:13px;
      letter-spacing:.1px;
    }
    .chip span{
      color:var(--muted2);
      font-size:12px;
      line-height:1.25;
      max-width:22ch;
    }
    .chip .dot{
      width:10px; height:10px; border-radius:50%;
      margin-top:4px;
      background:linear-gradient(180deg, var(--red2), var(--red3));
      box-shadow:0 0 0 4px rgba(211,22,58,.14);
      flex:0 0 auto;
    }

    .section{
      padding:24px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.7;
      max-width:64ch;
    }
    .split{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }

    .card{
      background:var(--card);
      border:1px solid rgba(17,17,17,.10);
      border-radius:var(--radius);
      box-shadow:0 10px 26px rgba(17,17,17,.05);
    }
    .card.pad{padding:16px}
    .soft{
      background:linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.65));
    }
    .kpi-row{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap:12px;
    }
    .kpi{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.80);
      position:relative;
      overflow:hidden;
      min-height:98px;
    }
    .kpi:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(240px 100px at 10% 0%, rgba(211,22,58,.18), transparent 55%),
        radial-gradient(240px 100px at 90% 10%, rgba(20,99,255,.10), transparent 50%);
      opacity:.8;
      pointer-events:none;
    }
    .kpi > *{position:relative; z-index:1}
    .kpi strong{
      display:block;
      font-size:22px;
      letter-spacing:-.4px;
      margin-bottom:6px;
    }
    .kpi span{
      color:var(--muted2);
      font-size:12.8px;
      line-height:1.4;
      display:block;
    }

    .service-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .service{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.82);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height:150px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .service:hover{
      transform:translateY(-3px);
      box-shadow:0 22px 44px rgba(17,17,17,.10);
      border-color:rgba(211,22,58,.22);
    }
    .service .icon{
      width:42px; height:42px; border-radius:16px;
      background:linear-gradient(180deg, rgba(211,22,58,.12), rgba(211,22,58,.04));
      border:1px solid rgba(211,22,58,.18);
      display:flex; align-items:center; justify-content:center;
      color:var(--red3);
      flex:0 0 auto;
    }
    .service h3{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .service p{
      margin:0;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.7;
    }
    .tag-row{
      display:flex; flex-wrap:wrap; gap:8px; margin-top:auto;
    }
    .tag{
      font-size:12px;
      color:var(--muted);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.78);
      padding:6px 10px;
      border-radius:999px;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(5, minmax(0,1fr));
      gap:10px;
    }
    .step{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.80);
      position:relative;
      overflow:hidden;
      min-height:132px;
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .step:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(17,17,17,.10);
    }
    .step .num{
      width:30px; height:30px; border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      background:rgba(211,22,58,.10);
      border:1px solid rgba(211,22,58,.18);
      color:var(--red3);
      font-weight:900;
      margin-bottom:10px;
      position:relative; z-index:1;
    }
    .step h3{margin:0 0 6px; font-size:14.5px; letter-spacing:-.2px}
    .step p{margin:0; color:var(--muted2); font-size:12.8px; line-height:1.6}

    .compare{
      overflow:hidden;
    }
    .table-wrap{
      overflow:auto;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:#fff;
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width:860px;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(17,17,17,.08);
      text-align:left;
      vertical-align:top;
      font-size:13px;
    }
    th{
      background:linear-gradient(180deg, rgba(211,22,58,.08), rgba(255,255,255,.9));
      color:var(--text);
      font-weight:900;
    }
    td{color:var(--muted)}
    .cell-strong{color:var(--text); font-weight:800}
    .check{
      display:inline-flex; align-items:center; gap:8px;
      color:var(--text);
      font-weight:800;
    }
    .check i{
      width:18px; height:18px; border-radius:7px;
      background:rgba(211,22,58,.10);
      border:1px solid rgba(211,22,58,.18);
      display:inline-flex; align-items:center; justify-content:center;
      color:var(--red3);
      flex:0 0 auto;
      font-style:normal;
    }
    .badge-score{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(211,22,58,.18);
      background:rgba(211,22,58,.07);
      color:var(--red3);
      font-weight:900;
      white-space:nowrap;
      margin-top:6px;
    }
    .stars{
      display:flex; gap:6px; align-items:center; flex-wrap:wrap;
    }
    .star{
      width:22px; height:22px; display:inline-flex;
      filter: drop-shadow(0 8px 18px rgba(211,22,58,.15));
    }
    .compare-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; margin-bottom:12px;
    }
    .rating-card{
      padding:16px; border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.62));
      box-shadow:0 18px 40px rgba(211,22,58,.10);
      min-width:280px;
    }
    .rating-card .row{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:8px;
    }
    .rating-card .row strong{font-size:18px; letter-spacing:-.3px}
    .rating-card p{margin:0; color:var(--muted); font-size:13px; line-height:1.65}
    .badge-five{
      width:54px; height:54px; border-radius:20px;
      background:linear-gradient(180deg, rgba(211,22,58,.18), rgba(211,22,58,.06));
      border:1px solid rgba(211,22,58,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 18px 36px rgba(211,22,58,.14);
      color:var(--red3);
      font-weight:1000;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .timeline .track{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.80);
    }
    .timeline .track h3{margin:0 0 10px; font-size:15px}
    .t-item{
      display:flex; gap:12px; padding:10px 0;
      border-top:1px dashed rgba(17,17,17,.10);
    }
    .t-item:first-of-type{border-top:none; padding-top:0}
    .t-item .time{
      width:96px; color:var(--muted2); font-size:12.5px; font-weight:800;
      flex:0 0 auto;
    }
    .t-item .desc{
      min-width:0;
    }
    .t-item .desc strong{
      display:block; font-size:13.5px; margin-bottom:4px;
    }
    .t-item .desc span{
      color:var(--muted); font-size:12.8px; line-height:1.65;
      display:block;
    }

    .network-grid{
      display:grid;
      grid-template-columns: repeat(6, minmax(0,1fr));
      gap:10px;
    }
    .node{
      padding:12px 10px;
      border-radius:16px;
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.82);
      min-height:74px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex; flex-direction:column; justify-content:space-between;
    }
    .node:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(17,17,17,.10);
      border-color:rgba(211,22,58,.20);
    }
    .node strong{
      font-size:13px;
      letter-spacing:-.2px;
    }
    .node span{
      color:var(--muted2);
      font-size:12px;
      line-height:1.3;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .case{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.84);
      display:flex;
      flex-direction:column;
      gap:10px;
      min-height:210px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .case:hover{
      transform:translateY(-3px);
      box-shadow:0 24px 46px rgba(17,17,17,.10);
      border-color:rgba(211,22,58,.22);
    }
    .case .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .case h3{margin:0; font-size:15px; letter-spacing:-.2px}
    .case p{margin:0; color:var(--muted); font-size:13.2px; line-height:1.7}
    .case .meta{
      display:flex; flex-wrap:wrap; gap:8px; margin-top:auto;
    }
    .mini{
      font-size:12px; color:var(--muted);
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.78);
    }
    .case a.btn-link{
      margin-top:6px;
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(211,22,58,.18);
      background:rgba(211,22,58,.07);
      font-weight:900;
      color:var(--red3);
      transition:transform .18s ease, box-shadow .18s ease;
      width:fit-content;
    }
    .case a.btn-link:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(211,22,58,.12);
    }

    .articles{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .article-list{
      padding:14px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.82);
    }
    .article-list h3{margin:0 0 10px; font-size:15px}
    .article{
      padding:10px 0;
      border-top:1px dashed rgba(17,17,17,.10);
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
    }
    .article:first-of-type{border-top:none; padding-top:0}
    .article strong{display:block; font-size:13.5px; letter-spacing:-.2px; margin-bottom:4px}
    .article span{color:var(--muted2); font-size:12.5px; line-height:1.45; display:block}
    .article a{
      flex:0 0 auto;
      color:var(--red3);
      font-weight:900;
      font-size:12.5px;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid rgba(211,22,58,.18);
      background:rgba(211,22,58,.07);
      transition:transform .18s ease, box-shadow .18s ease;
      white-space:nowrap;
    }
    .article a:hover{transform:translateY(-2px); box-shadow:0 18px 36px rgba(211,22,58,.12)}

    .form-card{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.62));
      box-shadow:0 18px 40px rgba(17,17,17,.08);
    }
    form .grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:10px;
    }
    label{
      display:flex; flex-direction:column; gap:8px;
      font-size:12.8px; color:var(--muted2); font-weight:750;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(17,17,17,.12);
      background:#fff;
      color:var(--text);
      font-size:13.5px;
      outline:none;
      transition:box-shadow .18s ease, border-color .18s ease, transform .18s ease;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(211,22,58,.35);
      box-shadow:0 0 0 4px var(--focus);
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top:12px;
      flex-wrap:wrap;
    }
    .hint{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.5;
      max-width:52ch;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .faq .faq-item{
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.84);
      overflow:hidden;
    }
    .faq button{
      width:100%;
      border:0;
      background:transparent;
      text-align:left;
      padding:14px 14px;
      cursor:pointer;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .faq button:focus{outline:none}
    .faq .q{
      font-weight:950; letter-spacing:-.2px;
      font-size:13.8px;
      line-height:1.55;
      color:var(--text);
    }
    .chev{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.65);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition:transform .2s ease;
      margin-top:1px;
    }
    .faq-item[aria-expanded="true"] .chev{transform:rotate(180deg)}
    .a{
      max-height:0;
      overflow:hidden;
      transition:max-height .25s ease;
    }
    .a-inner{
      padding:0 14px 14px;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.75;
    }
    .faq-item[aria-expanded="true"] .a{max-height:320px}

    .comments{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
    }
    .comment{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.84);
      min-height:198px;
      display:flex; flex-direction:column; gap:10px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .comment:hover{
      transform:translateY(-3px);
      box-shadow:0 24px 46px rgba(17,17,17,.10);
      border-color:rgba(211,22,58,.22);
    }
    .who{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      background:linear-gradient(180deg, rgba(211,22,58,.14), rgba(211,22,58,.04));
      border:1px solid rgba(211,22,58,.18);
      display:flex; align-items:center; justify-content:center;
      color:var(--red3);
      font-weight:1000;
      letter-spacing:-.4px;
      flex:0 0 auto;
    }
    .who strong{display:block; font-size:13.8px; letter-spacing:-.2px}
    .who span{color:var(--muted2); font-size:12.4px; display:block; margin-top:3px}
    .quote{
      color:var(--muted);
      font-size:13.2px;
      line-height:1.75;
      margin:0;
    }
    .source{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px;
    }

    .tag-cloud{
      padding:14px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.82);
    }
    .tag-cloud h3{margin:0 0 10px; font-size:15px}
    .cloud{
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .cloud a{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.76);
      color:var(--muted);
      font-size:12.5px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
      font-weight:700;
    }
    .cloud a:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(17,17,17,.10);
      border-color:rgba(211,22,58,.20);
      color:var(--red3);
    }

    .price-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
      align-items:stretch;
    }
    .price{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.84);
      position:relative;
      overflow:hidden;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex; flex-direction:column; gap:10px;
      min-height:220px;
    }
    .price:hover{
      transform:translateY(-3px);
      box-shadow:0 26px 52px rgba(17,17,17,.12);
      border-color:rgba(211,22,58,.22);
    }
    .price:before{
      content:"";
      position:absolute; inset:-1px;
      background:radial-gradient(420px 180px at 20% 0%, rgba(211,22,58,.16), transparent 55%);
      opacity:.9;
      pointer-events:none;
    }
    .price > *{position:relative; z-index:1}
    .price .cap{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .price h3{margin:0; font-size:15px}
    .price .sub{
      color:var(--muted2); font-size:12.8px; line-height:1.6;
      margin:0;
    }
    .price .num{
      font-size:30px; font-weight:1100; letter-spacing:-.8px;
      margin-top:6px;
    }
    .price .num small{
      font-size:12.5px; font-weight:900; color:var(--muted2);
      letter-spacing:0;
    }
    .ul{
      margin:0; padding-left:18px;
      color:var(--muted);
      font-size:13.2px;
      line-height:1.8;
    }
    .price .act{
      margin-top:auto;
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
    }

    .footer{
      padding:22px 0 28px;
      margin-top:8px;
      background:linear-gradient(180deg, rgba(255,255,255,.0), rgba(17,17,17,.03));
      border-top:1px solid rgba(17,17,17,.08);
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .footer-card{
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:#fff;
    }
    .footer-brand{
      display:flex; align-items:center; gap:12px;
      margin-bottom:10px;
    }
    .footer-brand img{width:44px; height:44px; border-radius:16px; object-fit:cover}
    .footer-brand strong{font-size:15px; letter-spacing:-.2px}
    .footer-brand span{display:block; margin-top:3px; color:var(--muted2); font-size:12.8px}
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .footer-links a{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(17,17,17,.10);
      background:rgba(255,255,255,.80);
      color:var(--muted);
      font-weight:750;
      font-size:12.5px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(17,17,17,.10);
      border-color:rgba(211,22,58,.20);
      color:var(--red3);
    }
    .footer-side{
      display:flex; flex-direction:column; gap:12px;
    }
    .footer-kefu{
      padding:14px;
      border-radius:var(--radius);
      border:1px solid rgba(17,17,17,.10);
      background:linear-gradient(180deg, rgba(211,22,58,.07), rgba(255,255,255,.88));
      display:flex; gap:12px; align-items:center;
    }
    .footer-kefu img{
      width:66px; height:66px; border-radius:18px;
      object-fit:cover; border:1px solid rgba(211,22,58,.18);
      background:#fff;
    }
    .footer-kefu strong{display:block; font-size:14px; letter-spacing:-.2px}
    .footer-kefu span{display:block; color:var(--muted2); font-size:12.8px; margin-top:3px; line-height:1.5}
    .fineprint{
      margin-top:12px;
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.6;
      display:flex; flex-direction:column; gap:6px;
    }
    .fineprint .row{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center;
    }
    .line-dot{
      width:6px; height:6px; border-radius:50%;
      background:rgba(211,22,58,.45);
      display:inline-block;
    }

    .float-kefu{
      position:fixed;
      right:16px; bottom:16px;
      z-index:60;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-kefu .stack{
      pointer-events:auto;
      display:flex; flex-direction:column; gap:10px; align-items:flex-end;
    }
    .float-bubble{
      background:#fff;
      border:1px solid rgba(17,17,17,.12);
      box-shadow:0 18px 40px rgba(17,17,17,.14);
      border-radius:18px;
      padding:12px 12px;
      display:flex; align-items:center; gap:10px;
      transition:transform .2s ease, opacity .2s ease;
      transform:translateY(0);
    }
    .float-bubble.hidden{opacity:0; transform:translateY(10px); pointer-events:none}
    .bubble-icon{
      width:42px; height:42px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(211,22,58,.16), rgba(211,22,58,.04));
      border:1px solid rgba(211,22,58,.18);
      display:flex; align-items:center; justify-content:center;
      color:var(--red3);
      flex:0 0 auto;
      font-weight:1000;
    }
    .float-bubble strong{display:block; font-size:13.5px; letter-spacing:-.2px}
    .float-bubble span{display:block; color:var(--muted2); font-size:12.4px; margin-top:3px}
    .float-link{
      pointer-events:auto;
      display:flex; align-items:center; gap:10px;
      padding:11px 12px;
      border-radius:18px;
      border:1px solid rgba(211,22,58,.18);
      background:linear-gradient(135deg, rgba(211,22,58,.12), rgba(255,42,82,.06));
      color:var(--red3);
      font-weight:1000;
      font-size:13px;
      box-shadow:0 18px 40px rgba(211,22,58,.14);
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .float-link:hover{transform:translateY(-2px); box-shadow:0 28px 60px rgba(211,22,58,.18)}
    .to-top{
      pointer-events:auto;
      width:46px; height:46px;
      border-radius:18px;
      border:1px solid rgba(17,17,17,.12);
      background:#fff;
      box-shadow:0 18px 40px rgba(17,17,17,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, opacity .2s ease;
      opacity:.95;
    }
    .to-top:hover{transform:translateY(-2px); box-shadow:0 28px 60px rgba(17,17,17,.16)}
    .to-top[aria-hidden="true"]{opacity:0; pointer-events:none}

    .reveal{
      opacity:0;
      transform:translateY(10px);
      transition:opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;
      transform:translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns:1fr; }
      .hero-right{min-height:auto}
      .hero-left{min-height:auto}
      .kpi-row{grid-template-columns: repeat(2, minmax(0,1fr))}
      .service-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
      .steps{grid-template-columns: repeat(2, minmax(0,1fr))}
      .network-grid{grid-template-columns: repeat(3, minmax(0,1fr))}
      .case-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
      .articles{grid-template-columns: 1fr}
      .timeline{grid-template-columns:1fr}
      .comments{grid-template-columns:1fr}
      .faq{grid-template-columns:1fr}
      .price-grid{grid-template-columns:1fr}
      .footer-inner{grid-template-columns:1fr}
      table{min-width:740px}
    }
    @media (max-width: 760px){
      .nav-links{display:none}
      .nav-cta{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel{display:block}
      .hero h1{font-size:28px}
      .hero-meta{grid-template-columns:1fr}
      .service-grid{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .network-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
      .kpi-row{grid-template-columns:1fr}
      .faq{grid-template-columns:1fr}
      form .grid{grid-template-columns:1fr}
      .float-kefu{right:12px; bottom:12px}
      .float-bubble{display:none}
    }
    @media (prefers-reduced-motion: reduce){
      *{transition:none !important; animation:none !important; scroll-behavior:auto !important}
      .reveal{opacity:1; transform:none}
    }