:root{
      --bg0:#ffffff;
      --bg1:#fbfbfd;
      --ink:#1f2430;
      --muted:#5a6376;
      --muted2:#7a8399;
      --line:rgba(20,30,55,.12);
      --shadow: 0 18px 50px rgba(17,24,39,.10);
      --shadow2: 0 10px 30px rgba(17,24,39,.10);
      --primary:#ff2f7a;
      --primary2:#ff4d3d;
      --primary3:#7c3aed;
      --accent:#00b3ff;
      --good:#16a34a;
      --warn:#f59e0b;
      --radius:18px;
      --radius2:26px;
      --container: 1120px;
      --pad: 20px;
      --focus: rgba(255,47,122,.25);
      --glass: rgba(255,255,255,.72);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
      background: radial-gradient(1200px 600px at 20% -10%, rgba(255,47,122,.12), transparent 60%),
                  radial-gradient(900px 500px at 90% 0%, rgba(0,179,255,.12), transparent 55%),
                  linear-gradient(#ffffff, #fbfbfe 45%, #ffffff);
      color:var(--ink);
    }

    .page{min-height:100vh}
    .container{
      max-width: var(--container);
      margin:0 auto;
      padding: 0 var(--pad);
    }

    .topbar{
      position: sticky;
      top:0;
      z-index:50;
      background: rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(20,30,55,.08);
    }

    .topbar-inner{
      height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      text-decoration:none;
      min-width: 170px;
    }
    .ai-page-logo{max-width:180px; height:auto; display:block}
    .nav{
      display:flex;
      align-items:center;
      gap:18px;
      flex:1;
      justify-content:center;
    }
    .nav-link{
      text-decoration:none;
      color:rgba(31,36,48,.9);
      font-weight:650;
      font-size:14px;
      padding:10px 10px;
      border-radius:12px;
      transition: background .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(255,47,122,.08);
      transform: translateY(-1px);
    }

    .topbar-actions{display:flex; align-items:center; gap:12px;}
    .menu-btn{
      display:none;
      align-items:center;
      gap:10px;
      border:1px solid rgba(20,30,55,.16);
      background: rgba(255,255,255,.9);
      color:var(--ink);
      border-radius:14px;
      padding:10px 12px;
      cursor:pointer;
      font-weight:700;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .menu-btn:focus{outline:none; box-shadow: 0 0 0 4px var(--focus);}
    .menu-icon{
      width:18px; height:12px;
      position:relative;
      display:inline-block;
    }
    .menu-icon::before,.menu-icon::after,.menu-icon span{
      content:"";
      position:absolute; left:0; right:0;
      height:2px; background: rgba(31,36,48,.9);
      border-radius:2px;
    }
    .menu-icon::before{top:0}
    .menu-icon::after{bottom:0}
    .menu-icon span{top:5px}
    .menu-text{font-size:14px}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius: 14px;
      padding: 12px 16px;
      border:1px solid rgba(20,30,55,.14);
      cursor:pointer;
      text-decoration:none;
      color: var(--ink);
      background: #fff;
      font-weight:800;
      transition: transform .15s ease, box-shadow .15s ease, background .2s ease, border-color .2s ease, color .2s 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 30px rgba(16,24,40,.12)}
    .btn:active{transform: translateY(0px); box-shadow: none}

    .btn-primary{
      border-color: rgba(255,47,122,.35);
      color:#fff;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary2) 55%, var(--primary3) 120%);
    }
    .btn-soft{
      border-color: rgba(255,47,122,.18);
      background: rgba(255,47,122,.08);
      color: rgba(147,22,56,1);
    }
    .btn-ghost{
      background: rgba(255,255,255,.85);
      border-color: rgba(20,30,55,.14);
    }
    .btn-lg{padding: 13px 18px; border-radius: 16px}
    .btn-small{padding: 10px 12px; border-radius: 12px; font-size:14px}
    .btn-full{width:100%}

    .hero{
      position:relative;
      overflow:hidden;
      padding: 54px 0 26px;
    }
    .hero-bg{
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(900px 420px at 15% 12%, rgba(255,47,122,.22), transparent 62%),
        radial-gradient(700px 380px at 90% 10%, rgba(0,179,255,.20), transparent 58%),
        radial-gradient(500px 260px at 45% 25%, rgba(124,58,237,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.4), rgba(255,255,255,1));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:26px;
      align-items:start;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(20,30,55,.12);
      color: rgba(31,36,48,.92);
      font-weight:750;
      letter-spacing:.2px;
      box-shadow: 0 10px 30px rgba(17,24,39,.06);
    }
    .pill-dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 0 0 5px rgba(255,47,122,.12);
    }

    .hero-title{
      margin: 14px 0 10px;
      font-size: 40px;
      line-height: 1.12;
      letter-spacing: -0.6px;
    }
    .hero-sub{
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
      max-width: 58ch;
    }
    .hero-cta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top: 18px;
      align-items:center;
    }

    .hero-metrics{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top: 18px;
    }
    .metric{
      flex: 1 1 190px;
      padding: 14px 14px;
      border-radius: 16px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,30,55,.10);
      box-shadow: 0 10px 30px rgba(17,24,39,.06);
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .metric:hover{transform: translateY(-2px); box-shadow: 0 16px 40px rgba(17,24,39,.10)}
    .metric-num{font-weight:900; letter-spacing:.2px}
    .metric-desc{color: var(--muted); margin-top:6px; font-size:13.5px; line-height:1.5}

    .hero-right{display:flex; flex-direction:column; gap:14px; align-self:stretch}
    .hero-panel{
      border-radius: var(--radius2);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.66));
      border:1px solid rgba(20,30,55,.12);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .panel-head{
      display:flex; align-items:center; justify-content:space-between;
      padding: 16px 18px;
      border-bottom: 1px solid rgba(20,30,55,.08);
      background: radial-gradient(520px 220px at 20% 0%, rgba(255,47,122,.12), transparent 55%),
                  radial-gradient(420px 200px at 85% 0%, rgba(0,179,255,.12), transparent 52%);
    }
    .panel-title{display:flex; align-items:center; gap:10px; font-weight:900}
    .spark{
      width:14px; height:14px; border-radius:4px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      transform: rotate(12deg);
      box-shadow: 0 0 0 6px rgba(255,47,122,.10);
    }
    .panel-badge{
      font-weight:850;
      font-size:12.5px;
      padding: 7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,47,122,.18);
      background: rgba(255,47,122,.08);
      color: rgba(147,22,56,1);
      white-space:nowrap;
    }
    .panel-body{padding: 14px 18px 16px;}
    .data-row{
      display:flex; justify-content:space-between; align-items:center;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(20,30,55,.12);
    }
    .data-row:last-child{border-bottom:none}
    .data-label{font-weight:800; color: rgba(31,36,48,.92)}
    .data-value{font-weight:900; color: rgba(31,36,48,.98)}
    .panel-actions{
      display:flex; gap:10px; margin-top:14px; flex-wrap:wrap;
    }

    .panel-foot{
      padding: 14px 18px 16px;
      border-top: 1px solid rgba(20,30,55,.08);
      background: rgba(255,255,255,.55);
    }
    .mini-tags{display:flex; flex-wrap:wrap; gap:8px}
    .tag{
      font-size:12.5px;
      font-weight:850;
      padding: 7px 10px;
      border-radius:999px;
      background: rgba(0,179,255,.08);
      border:1px solid rgba(0,179,255,.20);
      color: rgba(3,90,125,1);
    }
    .small-note{margin-top:10px; font-size:12.5px; color: var(--muted2); line-height:1.5}

    .hero-inline{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .inline-card{
      display:flex; gap:12px; align-items:flex-start;
      padding: 14px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,30,55,.10);
      box-shadow: 0 10px 26px rgba(17,24,39,.06);
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .inline-card:hover{transform: translateY(-2px); box-shadow: 0 16px 38px rgba(17,24,39,.10)}
    .inline-icon{
      width:36px; height:36px;
      display:flex; align-items:center; justify-content:center;
      border-radius: 14px;
      background: linear-gradient(135deg, rgba(255,47,122,.18), rgba(0,179,255,.14));
      border:1px solid rgba(255,47,122,.20);
      font-size:16px;
      flex:0 0 auto;
    }
    .inline-title{font-weight:950}
    .inline-desc{color: var(--muted); margin-top:6px; font-size:13.5px; line-height:1.5}

    .section{padding: 48px 0}
    .section-grad{
      background: radial-gradient(900px 420px at 10% 0%, rgba(255,47,122,.10), transparent 55%),
                  radial-gradient(800px 420px at 90% 10%, rgba(0,179,255,.10), transparent 55%);
      border-top:1px solid rgba(20,30,55,.06);
      border-bottom:1px solid rgba(20,30,55,.06);
    }
    .section-contrast{
      background: linear-gradient(180deg, rgba(255,255,255,.0), rgba(255,255,255,.55));
    }
    .section-grad2{
      background: radial-gradient(1000px 500px at 50% -20%, rgba(124,58,237,.12), transparent 55%),
                  radial-gradient(900px 480px at 15% 25%, rgba(255,47,122,.10), transparent 55%);
      border-top:1px solid rgba(20,30,55,.06);
    }
    .section-token{
      background: radial-gradient(900px 420px at 80% 10%, rgba(255,47,122,.12), transparent 55%),
                  radial-gradient(700px 380px at 10% 20%, rgba(0,179,255,.10), transparent 55%);
    }
    .section-training{
      background: radial-gradient(900px 420px at 15% 0%, rgba(124,58,237,.12), transparent 55%),
                  radial-gradient(700px 380px at 85% 15%, rgba(255,47,122,.10), transparent 55%);
    }
    .section-join{
      background: radial-gradient(900px 420px at 90% 0%, rgba(0,179,255,.12), transparent 55%),
                  radial-gradient(700px 380px at 10% 15%, rgba(255,47,122,.10), transparent 55%);
      border-top:1px solid rgba(20,30,55,.06);
    }

    .section-head{margin-bottom: 22px}
    .h2{
      margin:0;
      font-size: 28px;
      letter-spacing: -0.3px;
    }
    .lead{
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 15.5px;
      line-height: 1.85;
      max-width: 78ch;
    }

    .grid-2{display:grid; grid-template-columns: 1fr 1fr; gap:18px}
    .grid-3{display:grid; grid-template-columns: repeat(3, 1fr); gap:16px}
    .grid-4{display:grid; grid-template-columns: repeat(4, 1fr); gap:14px}

    .card{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(20,30,55,.12);
      border-radius: var(--radius);
      padding: 18px;
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .soft-card{background: rgba(255,255,255,.86)}
    .accent-card{
      background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.68));
      position:relative;
    }
    .accent-card::after{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(500px 220px at 20% 0%, rgba(255,47,122,.18), transparent 62%),
        radial-gradient(420px 200px at 90% 10%, rgba(0,179,255,.16), transparent 60%);
      pointer-events:none;
    }
    .accent-card > *{position:relative}

    .reveal{
      opacity:0;
      transform: translateY(14px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.is-in{
      opacity:1;
      transform: translateY(0);
    }

    .card-kicker{
      font-weight:900;
      color: rgba(31,36,48,.9);
      font-size: 13px;
      text-transform: uppercase;
      letter-spacing:.12em;
      opacity:.95;
    }
    .h3{margin: 8px 0 10px; font-size: 18px; letter-spacing: -0.15px}
    .card-p{color: var(--muted); font-size: 14.5px; line-height:1.8; margin:0}

    .check-list{list-style:none; padding:0; margin:14px 0 0; display:flex; flex-direction:column; gap:10px}
    .check{display:inline-block; width:12px; height:12px; border-radius:4px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 0 0 5px rgba(255,47,122,.10);
      margin-right:10px;
      vertical-align: -2px;
    }
    .check-list li{display:flex; align-items:flex-start; gap:0; color: rgba(31,36,48,.95); font-weight:750; font-size: 14px}

    .card-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:16px}
    .divider{height:1px; background: rgba(20,30,55,.10); margin:16px 0}

    .accent-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top: 12px;
    }
    .accent-item{
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,30,55,.10);
      background: rgba(255,255,255,.62);
    }
    .accent-num{font-weight:950; color: rgba(31,36,48,.86); font-size: 12.5px}
    .accent-text{margin-top:8px; font-weight:950}
    .accent-meta{margin-top:6px; color: var(--muted2); font-size: 13.5px; line-height:1.5}
    .accent-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; position:relative}

    .service-card{
      padding: 18px;
      border-radius: var(--radius);
      border:1px solid rgba(20,30,55,.12);
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.74));
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .service-card:hover{transform: translateY(-4px); box-shadow: 0 22px 55px rgba(17,24,39,.12); border-color: rgba(255,47,122,.22)}
    .service-top{display:flex; align-items:flex-start; gap:12px}
    .service-icon{
      width:44px; height:44px; border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(255,47,122,.18), rgba(0,179,255,.16));
      border:1px solid rgba(255,47,122,.18);
      font-size:18px;
      flex:0 0 auto;
    }
    .link-more{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top: 12px;
      text-decoration:none;
      color: rgba(255,47,122,.98);
      font-weight:900;
      transition: transform .15s ease, opacity .2s ease;
    }
    .link-more:hover{transform: translateX(2px)}
    .link-more::after{
      content:"→";
      font-weight:950;
      transition: transform .15s ease;
    }
    .service-card:hover .link-more::after{transform: translateX(2px)}

    .timeline-card{padding: 18px}
    .timeline-head{display:flex; align-items:baseline; justify-content:space-between; gap:12px}
    .timeline-sub{color: var(--muted2); font-size: 13.5px; font-weight:700}
    .timeline{list-style:none; padding:0; margin:14px 0 0; display:flex; flex-direction:column; gap:14px}
    .time-item{display:flex; gap:12px; align-items:flex-start}
    .time-dot{
      width:14px; height:14px; border-radius: 6px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 0 0 6px rgba(255,47,122,.10);
      margin-top: 4px;
      flex:0 0 auto;
    }
    .time-title{font-weight:950}
    .time-desc{color: var(--muted); margin-top:6px; line-height:1.6; font-size: 14px}
    .timeline-actions{display:flex; gap:10px; margin-top:16px; flex-wrap:wrap}

    .model-grid{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-top: 14px;
    }
    .model-pill{
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.65);
      font-size: 13.5px;
      font-weight:850;
      color: rgba(31,36,48,.9);
    }
    .mini-cta{display:flex; gap:12px; margin-top:14px; flex-wrap:wrap}

    .solution-card{
      padding: 18px;
      border-radius: var(--radius);
      border:1px solid rgba(20,30,55,.12);
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .solution-card:hover{transform: translateY(-4px); box-shadow: 0 22px 55px rgba(17,24,39,.12)}
    .solution-meta{margin-top: 10px; display:flex; flex-direction:column; gap:8px}
    .meta-item{color: var(--muted2); font-size: 13.5px; line-height:1.5; font-weight:700}
    .solution-card .btn{margin-top: 14px}

    .accent2-card{
      position:relative;
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.70));
    }
    .accent2-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 240px at 20% 0%, rgba(0,179,255,.16), transparent 60%),
        radial-gradient(420px 220px at 90% 10%, rgba(255,47,122,.14), transparent 58%);
      pointer-events:none;
    }
    .accent2-card > *{position:relative}

    .accent2-head{display:flex; flex-direction:column; gap:6px}
    .accent2-title{font-weight:980; font-size:18px}
    .accent2-sub{color: var(--muted); font-weight:800}
    .network-grid{margin-top: 14px; display:grid; grid-template-columns: 1fr 1fr; gap:12px}
    .net-item{
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(20,30,55,.10);
      background: rgba(255,255,255,.62);
    }
    .net-icon{
      width:40px; height:40px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(255,47,122,.08);
      border:1px solid rgba(255,47,122,.18);
      font-size: 17px;
      margin-bottom: 10px;
    }
    .net-title{font-weight:950}
    .net-desc{margin-top:6px; color: var(--muted); font-size: 13.5px; line-height:1.55}
    .accent2-foot{display:flex; gap:10px; flex-wrap:wrap; margin-top: 14px}

    .grid-4 .step-card{
      padding: 16px;
      border-radius: 18px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .grid-4 .step-card:hover{transform: translateY(-4px); box-shadow: 0 22px 55px rgba(17,24,39,.12)}
    .step-num{
      width:40px; height:40px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color:#fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border:1px solid rgba(255,47,122,.22);
      margin-bottom: 12px;
    }
    .step-title{font-weight:950}
    .step-desc{color: var(--muted); margin-top:7px; line-height:1.6; font-size: 14px}

    .process-strip{
      margin-top: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,55,.12);
      background: linear-gradient(135deg, rgba(255,47,122,.10), rgba(0,179,255,.10));
      padding: 14px 14px;
      display:flex;
      gap:12px;
      justify-content:space-between;
      flex-wrap:wrap;
    }
    .strip-item{
      flex:1 1 240px;
      padding: 12px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(20,30,55,.08);
    }
    .strip-title{font-weight:1000}
    .strip-desc{margin-top:6px; color: var(--muted); font-size: 13.5px; line-height:1.6; font-weight:750}

    .case-card{
      border-radius: var(--radius);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .case-card:hover{transform: translateY(-4px); box-shadow: 0 22px 55px rgba(17,24,39,.12); border-color: rgba(255,47,122,.22)}
    .case-media{
      height: 118px;
      background:
        radial-gradient(500px 220px at 10% 10%, rgba(255,47,122,.28), transparent 58%),
        radial-gradient(420px 220px at 80% 0%, rgba(0,179,255,.22), transparent 58%),
        linear-gradient(135deg, rgba(124,58,237,.14), rgba(255,255,255,0));
      border-bottom:1px solid rgba(20,30,55,.10);
    }
    .case-media.two{
      background:
        radial-gradient(520px 240px at 15% 30%, rgba(0,179,255,.26), transparent 58%),
        radial-gradient(420px 220px at 85% 10%, rgba(255,47,122,.20), transparent 58%),
        linear-gradient(135deg, rgba(124,58,237,.14), rgba(255,255,255,0));
    }
    .case-media.three{
      background:
        radial-gradient(520px 240px at 10% 30%, rgba(124,58,237,.26), transparent 58%),
        radial-gradient(420px 220px at 85% 10%, rgba(255,47,122,.18), transparent 58%),
        linear-gradient(135deg, rgba(0,179,255,.14), rgba(255,255,255,0));
    }
    .case-body{padding: 14px 16px 16px}
    .case-top{display:flex; align-items:center; justify-content:space-between; gap:10px}
    .case-chip{
      font-weight:950;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255,47,122,.10);
      border:1px solid rgba(255,47,122,.20);
      color: rgba(147,22,56,1);
      font-size: 12.5px;
      white-space:nowrap;
    }
    .case-time{color: var(--muted2); font-weight:800; font-size: 12.5px; white-space:nowrap}
    .case-footer{display:flex; gap:10px; align-items:center; justify-content:space-between; margin-top: 14px; flex-wrap:wrap}

    .marquee-row{
      margin-top: 18px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.70);
      padding: 12px 14px;
      display:flex; align-items:center; justify-content:space-between;
      gap:12px; flex-wrap:wrap;
    }
    .marquee-label{font-weight:950}
    .marquee-items{display:flex; gap:10px; flex-wrap:wrap}
    .chip-link{
      text-decoration:none;
      padding: 8px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.7);
      color: rgba(31,36,48,.92);
      font-weight:900;
      transition: transform .15s ease, border-color .2s ease;
    }
    .chip-link:hover{transform: translateY(-2px); border-color: rgba(255,47,122,.26)}

    .section-compare .container{position:relative}
    .compare-top{display:grid; grid-template-columns: 1fr 1fr; gap:16px; align-items:start}
    .rating-card{
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,55,.12);
      background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.70));
      box-shadow: var(--shadow2);
      padding: 18px;
      overflow:hidden;
      position:relative;
    }
    .rating-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(620px 280px at 20% 0%, rgba(255,47,122,.20), transparent 58%),
        radial-gradient(520px 260px at 90% 10%, rgba(0,179,255,.18), transparent 58%);
      pointer-events:none;
    }
    .rating-card > *{position:relative}
    .rating-head{display:flex; justify-content:space-between; align-items:flex-start; gap:12px}
    .rating-title{font-weight:980}
    .stars{display:flex; gap:2px; color: #ffb020; font-size: 18px; letter-spacing: 1px}
    .star{filter: drop-shadow(0 6px 12px rgba(255,176,32,.18))}
    .rating-score{margin-top: 10px; display:flex; align-items:baseline; gap:14px}
    .score-num{font-size: 54px; font-weight:1000; letter-spacing:-1px; color: rgba(31,36,48,.98)}
    .score-meta{color: var(--muted2); font-weight:850}
    .rating-foot{margin-top: 10px; color: var(--muted); line-height:1.7; font-weight:750; font-size: 14px}

    .compare-side{display:flex; flex-direction:column; gap:12px}
    .side-card{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.80);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
    }
    .side-card.second{background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.74))}
    .side-title{font-weight:1000}
    .side-list{margin-top: 10px; display:flex; flex-direction:column; gap:10px}
    .side-li{display:flex; gap:10px; align-items:flex-start; color: rgba(31,36,48,.92); font-weight:800}
    .side-dot{
      width:10px; height:10px; border-radius:4px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 0 0 5px rgba(255,47,122,.10);
      margin-top:4px;
      flex:0 0 auto;
    }
    .side-actions{display:flex; gap:10px; margin-top: 12px; flex-wrap:wrap}

    .compare-table-wrap{
      margin-top: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow2);
      padding: 18px;
    }
    .table-head{display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap}
    .table-note{color: var(--muted2); font-weight:800; font-size: 13.5px; line-height:1.6}

    .table-scroll{overflow:auto; border-radius:16px; border:1px solid rgba(20,30,55,.10)}
    .compare-table,.token-table{
      width:100%;
      border-collapse:collapse;
      min-width: 720px;
      background: rgba(255,255,255,.65);
    }
    .compare-table th,.compare-table td,.token-table th,.token-table td{
      padding: 12px 12px;
      border-bottom:1px solid rgba(20,30,55,.08);
      text-align:left;
      font-size: 14px;
      vertical-align:top;
    }
    .compare-table thead th{
      position:sticky; top:0;
      background: linear-gradient(135deg, rgba(255,47,122,.10), rgba(0,179,255,.10));
      border-bottom:1px solid rgba(20,30,55,.10);
      font-weight:1000;
      color: rgba(31,36,48,.95);
      z-index:1;
    }
    .score-pill{
      display:inline-flex;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.70);
      font-weight:950;
      white-space:nowrap;
    }
    .score-pill.good{border-color: rgba(22,163,74,.22); background: rgba(22,163,74,.08); color: rgba(16,120,56,1)}
    .score-pill.focus{border-color: rgba(245,158,11,.26); background: rgba(245,158,11,.10); color: rgba(146,64,14,1)}

    .token-card{padding: 18px}
    .token-head{display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap}
    .token-badge{
      font-weight:950;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(255,47,122,.20);
      background: rgba(255,47,122,.08);
      color: rgba(147,22,56,1);
      white-space:nowrap;
    }
    .token-foot{margin-top: 12px; padding-top: 12px; border-top:1px solid rgba(20,30,55,.10)}
    .token-foot-text{color: var(--muted); line-height:1.7; font-weight:750; font-size:14px}
    .token-foot-actions{margin-top:10px; display:flex; gap:10px; flex-wrap:wrap}

    .token-table th{background: linear-gradient(135deg, rgba(0,179,255,.12), rgba(255,47,122,.10)); font-weight:1000}
    .token-table td{color: rgba(31,36,48,.92); font-weight:800}

    .form-card{padding: 18px}
    .form{margin-top: 12px; display:flex; flex-direction:column; gap:12px}
    .form-row{display:flex; flex-direction:column; gap:7px}
    .label{font-weight:950; color: rgba(31,36,48,.92); font-size: 14px}
    .input,.textarea{
      width:100%;
      border:1px solid rgba(20,30,55,.14);
      background: rgba(255,255,255,.85);
      border-radius: 14px;
      padding: 12px 12px;
      font-size: 14.5px;
      color: var(--ink);
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease;
    }
    .input:focus,.textarea:focus{
      border-color: rgba(255,47,122,.35);
      box-shadow: 0 0 0 4px var(--focus);
    }
    .textarea{resize:vertical; min-height: 120px}
    .form-foot{margin-top: 6px}
    .form-tips{margin-top: 10px; color: var(--muted2); font-size: 12.8px; line-height:1.6; font-weight:750}
    .form-status{
      margin-top: 10px;
      min-height: 18px;
      color: rgba(16,120,56,1);
      font-weight:900;
      font-size: 13.5px;
      opacity:0;
      transition: opacity .2s ease, transform .2s ease;
      transform: translateY(2px);
    }
    .form-status.show{opacity:1; transform: translateY(0)}
    .form-benefits{display:flex; flex-direction:column; gap:12px; margin-top: 14px}
    .benefit{display:flex; gap:12px; align-items:flex-start}
    .benefit-icon{
      width:40px; height:40px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(0,179,255,.10);
      border:1px solid rgba(0,179,255,.20);
      flex:0 0 auto;
      font-size: 16px;
    }
    .benefit-title{font-weight:1000}
    .benefit-desc{margin-top:6px; color: var(--muted); font-weight:760; line-height:1.55; font-size: 13.8px}

    .cost-steps{margin-top: 14px; display:flex; flex-direction:column; gap:12px}
    .cost-step{display:flex; gap:12px; align-items:flex-start; padding: 12px 12px; border-radius: 16px; border:1px solid rgba(20,30,55,.10); background: rgba(255,255,255,.62)}
    .cost-num{
      width:34px; height:34px; border-radius: 14px;
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      background: rgba(255,47,122,.10);
      border:1px solid rgba(255,47,122,.20);
      color: rgba(147,22,56,1);
      flex:0 0 auto;
    }
    .cost-title{font-weight:1000}
    .cost-desc{margin-top:6px; color: var(--muted); font-weight:760; line-height:1.55; font-size: 13.8px}

    .training-list{display:flex; flex-direction:column; gap:10px; margin-top: 14px}
    .train-item{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,30,55,.10);
      background: rgba(255,255,255,.62);
    }
    .train-badge{
      font-weight:950;
      font-size: 12.5px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(0,179,255,.10);
      border:1px solid rgba(0,179,255,.20);
      color: rgba(3,90,125,1);
      white-space:nowrap;
      flex:0 0 auto;
    }
    .train-text{font-weight:950; color: rgba(31,36,48,.92)}

    .accent3-card{position:relative}
    .accent3-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 240px at 10% 10%, rgba(124,58,237,.18), transparent 60%),
        radial-gradient(520px 240px at 90% 10%, rgba(255,47,122,.14), transparent 58%);
      pointer-events:none;
    }
    .accent3-card > *{position:relative}
    .accent3-head{display:flex; flex-direction:column; gap:6px}
    .accent3-title{font-weight:1000; font-size:18px}
    .accent3-sub{color: var(--muted); font-weight:800}
    .skill-grid{margin-top: 14px; display:grid; grid-template-columns: 1fr 1fr; gap:12px}
    .skill-card{
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.62);
      border:1px solid rgba(20,30,55,.10);
    }
    .skill-icon{
      width:42px; height:42px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(255,47,122,.10);
      border:1px solid rgba(255,47,122,.20);
      font-size: 16.5px;
      margin-bottom: 10px;
    }
    .skill-title{font-weight:1000}
    .skill-desc{margin-top:6px; color: var(--muted); font-weight:760; line-height:1.55; font-size: 13.6px}
    .accent3-actions{display:flex; gap:10px; margin-top: 14px; flex-wrap:wrap}

    .help-card{
      padding: 18px;
      border-radius: var(--radius);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease;
      overflow:hidden;
    }
    .help-card:hover{transform: translateY(-4px); box-shadow: 0 22px 55px rgba(17,24,39,.12)}
    .help-title{font-weight:1000; font-size: 18px; margin-bottom: 8px}

    .promo-strip{
      margin-top: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,55,.12);
      background: linear-gradient(135deg, rgba(255,47,122,.10), rgba(0,179,255,.10));
      padding: 14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
    }
    .promo-title{font-weight:1100}
    .promo-sub{margin-top:6px; color: var(--muted); font-weight:760; line-height:1.6}
    .promo-actions{display:flex; gap:10px; flex-wrap:wrap}

    .faq-grid{display:grid; grid-template-columns: 280px 1fr; gap:16px; align-items:start}
    .faq-aside{
      padding: 18px;
      border-radius: var(--radius);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
    }
    .aside-title{font-weight:1100}
    .aside-links{margin-top: 12px; display:flex; flex-wrap:wrap; gap:10px}
    .aside-chip{
      text-decoration:none;
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.7);
      color: rgba(31,36,48,.92);
      font-weight:950;
      transition: transform .15s ease, border-color .2s ease;
    }
    .aside-chip:hover{transform: translateY(-2px); border-color: rgba(255,47,122,.26)}
    .aside-note{margin-top: 12px; color: var(--muted2); font-weight:780; font-size: 13.5px; line-height:1.6}

    .faq-list{padding: 6px 0 0}
    .faq-item{
      border-top: 1px solid rgba(20,30,55,.10);
      padding: 10px 0;
    }
    .faq-item:first-child{border-top:none}
    .faq-q{
      width:100%;
      text-align:left;
      background: transparent;
      border:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding: 14px 6px;
      font-weight:1000;
      font-size: 15.5px;
      color: rgba(31,36,48,.96);
      transition: background .2s ease, border-radius .2s ease;
    }
    .faq-q:hover{background: rgba(255,47,122,.06); border-radius: 12px}
    .faq-icon{
      width: 26px; height: 26px;
      border-radius: 10px;
      border: 1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.74);
      position:relative;
      flex:0 0 auto;
    }
    .faq-icon::before,.faq-icon::after{
      content:"";
      position:absolute; left:50%; top:50%;
      background: rgba(31,36,48,.88);
      border-radius:2px;
      transform: translate(-50%,-50%);
      transition: transform .2s ease, opacity .2s ease;
    }
    .faq-icon::before{width:14px; height:2px}
    .faq-icon::after{width:2px; height:14px}
    .faq-item.open .faq-icon::after{opacity:0}
    .faq-a{
      overflow:hidden;
      max-height: 0;
      transition: max-height .25s ease;
    }
    .faq-item.open .faq-a{max-height: 220px}
    .faq-answer{
      padding: 0 6px 12px;
      color: var(--muted);
      font-weight:760;
      line-height:1.8;
      font-size: 14.5px;
    }
    .faq-extra{margin-top: 16px}
    .faq-extra-card{
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      padding: 16px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    .faq-extra-title{font-weight:1100; font-size: 16px}
    .faq-extra-desc{margin-top:6px; color: var(--muted); font-weight:760; line-height:1.7}

    .wiki-card{
      padding: 18px;
      border-radius: var(--radius);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .wiki-card:hover{transform: translateY(-4px); box-shadow: 0 22px 55px rgba(17,24,39,.12)}
    .tag-cloud{
      margin-top: 18px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.75);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
      padding: 14px;
    }
    .cloud-title{font-weight:1100}
    .cloud-tags{margin-top: 10px; display:flex; flex-wrap:wrap; gap:10px}
    .cloud-tag{
      text-decoration:none;
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.7);
      color: rgba(31,36,48,.92);
      font-weight:950;
      transition: transform .15s ease, border-color .2s ease;
    }
    .cloud-tag:hover{transform: translateY(-2px); border-color: rgba(255,47,122,.26)}

    .article-list{margin-top: 12px; display:flex; flex-direction:column; gap:10px}
    .article-link{
      text-decoration:none;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,30,55,.10);
      background: rgba(255,255,255,.62);
      color: rgba(31,36,48,.92);
      font-weight:900;
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
      line-height:1.4;
    }
    .article-link:hover{transform: translateY(-2px); border-color: rgba(255,47,122,.26); background: rgba(255,47,122,.06)}
    .article-actions{margin-top: 14px; display:flex; gap:10px; flex-wrap:wrap}

    .reviews-grid{
      margin-top: 12px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .review-card{
      padding: 14px;
      border-radius: 16px;
      border:1px solid rgba(20,30,55,.10);
      background: rgba(255,255,255,.62);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .review-card:hover{transform: translateY(-3px); box-shadow: 0 18px 40px rgba(17,24,39,.10)}
    .review-head{display:flex; gap:12px; align-items:center}
    .avatar{
      width:44px; height:44px;
      border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(255,47,122,.18), rgba(0,179,255,.16));
      border:1px solid rgba(255,47,122,.20);
      font-weight:1000;
      color: rgba(31,36,48,.96);
      flex:0 0 auto;
    }
    .review-title{font-weight:1000}
    .review-meta{margin-top:4px; color: var(--muted2); font-weight:850; font-size: 12.8px}
    .review-text{margin: 12px 0 0; color: var(--muted); font-weight:760; line-height:1.8; font-size: 14px}

    .contact-grid{display:grid; grid-template-columns: 1fr 1fr; gap:12px; margin-top: 12px}
    .contact-item{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(20,30,55,.10);
      background: rgba(255,255,255,.62);
    }
    .contact-icon{
      width:42px; height:42px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(255,47,122,.10);
      border:1px solid rgba(255,47,122,.20);
      font-size: 16.5px;
      flex:0 0 auto;
    }
    .contact-label{color: var(--muted2); font-weight:880; font-size: 12.8px}
    .contact-value{margin-top:5px; font-weight:1000}
    .inline-link{color: rgba(255,47,122,.98); text-decoration:none; font-weight:950}
    .inline-link:hover{text-decoration:underline}

    .contact-qrcode{display:flex; gap:14px; align-items:center; margin-top: 14px}
    .qrcode-img{
      width:92px; height:92px;
      border-radius: 18px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.72);
      padding: 8px;
      object-fit: contain;
    }
    .qrcode-title{font-weight:1100}
    .qrcode-desc{margin-top:6px; color: var(--muted); font-weight:760; line-height:1.6; font-size: 13.8px}
    .contact-links{display:flex; flex-direction:column; gap:10px; margin-top: 14px}

    .section-join .links-card{
      margin-top: 16px;
      padding: 16px;
      border-radius: var(--radius2);
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 40px rgba(17,24,39,.06);
    }
    .links-head{display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap}
    .links-title{font-weight:1100}
    .links-sub{color: var(--muted); font-weight:780; margin-top:6px}
    .links-list{margin-top: 12px; display:flex; flex-wrap:wrap; gap:10px}
    .links-list a{
      text-decoration:none;
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.7);
      color: rgba(31,36,48,.92);
      font-weight:950;
      transition: transform .15s ease, border-color .2s ease;
    }
    .links-list a:hover{transform: translateY(-2px); border-color: rgba(255,47,122,.26)}
    .links-foot{margin-top: 12px; display:flex; align-items:center; gap:10px; flex-wrap:wrap}
    .links-dot{width:6px; height:6px; border-radius:50%; background: rgba(255,47,122,.7)}
    .ai-page-home-link{
      color: rgba(255,47,122,.98);
      font-weight:1000;
      text-decoration:none;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,47,122,.08);
      border:1px solid rgba(255,47,122,.18);
    }
    .ai-page-home-link:hover{text-decoration:underline}

    .accent4-card{position:relative}
    .accent4-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 240px at 10% 0%, rgba(0,179,255,.18), transparent 60%),
        radial-gradient(520px 240px at 90% 10%, rgba(255,47,122,.14), transparent 58%);
      pointer-events:none;
    }
    .accent4-card > *{position:relative}
    .accent4-head{display:flex; flex-direction:column; gap:6px}
    .accent4-title{font-weight:1100; font-size:18px}
    .accent4-sub{color: var(--muted); font-weight:820}
    .join-quick{margin-top: 14px; display:flex; flex-direction:column; gap:10px}
    .quick-row{
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.62);
      border:1px solid rgba(20,30,55,.10);
    }
    .quick-label{color: var(--muted2); font-weight:900; font-size:12.8px}
    .quick-value{margin-top:6px; font-weight:1000}
    .join-actions{margin-top: 14px; display:flex; flex-direction:column; gap:10px}
    .join-list{margin-top: 14px; display:flex; flex-direction:column; gap:10px}
    .join-li{display:flex; gap:10px; align-items:flex-start; color: rgba(31,36,48,.92); font-weight:880}
    .join-dot{
      width:10px; height:10px; border-radius:4px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 0 0 5px rgba(255,47,122,.10);
      margin-top:4px;
      flex:0 0 auto;
    }

    .footer{
      background: linear-gradient(180deg, #0f1420, #0b1020);
      color:#e8ecf7;
      border-top: 1px solid rgba(255,255,255,.08);
      padding: 26px 0 18px;
    }
    .footer-inner{display:grid; grid-template-columns: 1.1fr .9fr; gap:18px; align-items:start}
    .footer-brand{display:flex; gap:12px; align-items:flex-start}
    .footer-logo{
      width:44px; height:44px; border-radius: 16px;
      border:1px solid rgba(255,255,255,.16);
      background: rgba(255,255,255,.06);
      padding: 8px;
      object-fit: contain;
    }
    .footer-name{font-weight:1100; font-size: 18px}
    .footer-sub{margin-top:6px; color: rgba(232,236,247,.75); font-weight:780; line-height:1.6; font-size: 13.5px}
    .footer-links{margin-top: 14px; display:flex; flex-wrap:wrap; gap:12px}
    .footer-links a{
      color: rgba(232,236,247,.86);
      text-decoration:none;
      font-weight:950;
      font-size: 13.5px;
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.04);
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
    }
    .footer-links a:hover{transform: translateY(-2px); border-color: rgba(255,47,122,.35); background: rgba(255,47,122,.10)}
    .footer-cta-title{font-weight:1100; font-size:16px}
    .footer-cta-desc{margin-top:8px; color: rgba(232,236,247,.78); line-height:1.7; font-weight:780}
    .footer-cta-actions{margin-top: 12px; display:flex; gap:10px; flex-wrap:wrap}
    .footer-right{display:flex; flex-direction:column; gap:16px; align-items:flex-start}
    .footer-contact{display:flex; flex-direction:column; gap:10px; width:100%}
    .footer-contact-item{display:flex; gap:10px; align-items:center; color: rgba(232,236,247,.84); font-weight:850}
    .footer-icon{width:26px; height:26px; border-radius: 10px; display:flex; align-items:center; justify-content:center; background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12)}
    .footer-link{color: rgba(255,47,122,.98); text-decoration:none; font-weight:1100}
    .footer-link:hover{text-decoration:underline}
    .footer-text{color: rgba(232,236,247,.82)}
    .footer-copy{color: rgba(232,236,247,.70); font-weight:780; font-size: 13px; margin-top: 2px}

    .to-top{
      position: fixed;
      right: 16px;
      bottom: 18px;
      width: 44px; height:44px;
      border-radius: 18px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 45px rgba(17,24,39,.14);
      display:flex; align-items:center; justify-content:center;
      color: rgba(31,36,48,.92);
      text-decoration:none;
      font-weight:1000;
      transition: transform .15s ease, opacity .2s ease;
      opacity:0;
      pointer-events:none;
      z-index:70;
    }
    .to-top.show{
      opacity:1;
      pointer-events:auto;
    }
    .to-top:hover{transform: translateY(-2px)}

    .float-chat{
      position: fixed;
      right: 16px;
      bottom: 76px;
      width: 52px; height:52px;
      border-radius: 22px;
      border:1px solid rgba(255,47,122,.26);
      background: linear-gradient(135deg, rgba(255,47,122,.22), rgba(0,179,255,.14));
      box-shadow: 0 18px 45px rgba(17,24,39,.14);
      cursor:pointer;
      z-index:70;
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease, box-shadow .15s ease;
      color: rgba(31,36,48,.92);
      font-weight:1000;
    }
    .float-chat:hover{transform: translateY(-3px); box-shadow: 0 26px 70px rgba(17,24,39,.18)}
    .float-chat-icon{
      font-weight:1100;
      font-size: 12.5px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,30,55,.10);
    }

    .chat-pop{
      position: fixed;
      inset: 0;
      z-index: 90;
      display:none;
      align-items:center;
      justify-content:center;
      padding: 18px;
    }
    .chat-pop[aria-hidden="false"]{display:flex}
    .chat-pop-mask{
      position:absolute; inset:0;
      background: rgba(10,15,25,.48);
      backdrop-filter: blur(6px);
    }
    .chat-pop-inner{
      position:relative;
      width: min(520px, 100%);
      border-radius: var(--radius2);
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 30px 90px rgba(0,0,0,.25);
      overflow:hidden;
      transform: translateY(6px) scale(.98);
      animation: popIn .2s ease forwards;
    }
    @keyframes popIn{
      to{transform: translateY(0) scale(1)}
    }
    .chat-pop-head{
      display:flex; align-items:center; justify-content:space-between;
      padding: 14px 16px;
      border-bottom:1px solid rgba(20,30,55,.10);
      background: linear-gradient(135deg, rgba(255,47,122,.10), rgba(0,179,255,.10));
    }
    .chat-pop-title{font-weight:1100}
    .chat-close{
      border:none;
      background: rgba(255,255,255,.8);
      border:1px solid rgba(20,30,55,.12);
      width: 38px; height:38px;
      border-radius: 14px;
      cursor:pointer;
      font-size: 18px;
      line-height: 38px;
      color: rgba(31,36,48,.92);
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .chat-close:hover{transform: translateY(-2px); box-shadow: 0 14px 30px rgba(17,24,39,.12)}
    .chat-pop-body{padding: 16px}
    .chat-qrcode{
      width: 170px; height:170px;
      border-radius: 26px;
      border:1px solid rgba(20,30,55,.12);
      background: rgba(255,255,255,.72);
      padding: 10px;
      object-fit: contain;
      display:block;
      margin: 0 auto;
    }
    .chat-pop-desc{
      margin-top: 12px;
      text-align:center;
      color: var(--muted);
      font-weight:780;
      line-height:1.7;
      font-size: 14px;
    }
    .chat-pop-actions{
      margin-top: 14px;
      display:flex;
      gap:10px;
      justify-content:center;
      flex-wrap:wrap;
    }

    @media (max-width: 980px){
      .nav{display:none}
      .menu-btn{display:flex}
      .hero-inner{grid-template-columns: 1fr; gap:16px}
      .hero-title{font-size: 34px}
      .grid-2{grid-template-columns: 1fr}
      .grid-3{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .compare-top{grid-template-columns: 1fr}
      .faq-grid{grid-template-columns: 1fr}
      .reviews-grid{grid-template-columns: 1fr}
      .footer-inner{grid-template-columns: 1fr}
      .contact-grid{grid-template-columns: 1fr}
      .skill-grid{grid-template-columns: 1fr 1fr}
      .network-grid{grid-template-columns: 1fr 1fr}
    }

    .mobile-menu{
      display:none;
      border-top:1px solid rgba(20,30,55,.08);
      background: rgba(255,255,255,.92);
      backdrop-filter: blur(10px);
    }
    .mobile-menu[aria-hidden="false"]{display:block}
    .mobile-menu-inner{padding: 14px 0}
    .mobile-links{display:flex; flex-direction:column; gap:10px}
    .mobile-link{
      text-decoration:none;
      padding: 12px 14px;
      border-radius: 16px;
      border:1px solid rgba(20,30,55,.10);
      background: rgba(255,255,255,.70);
      font-weight:950;
      color: rgba(31,36,48,.92);
    }
    .mobile-cta{margin-top: 14px; display:flex; flex-direction:column; gap:10px}

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .faq-a{transition:none}
      .btn,.service-card,.case-card,.help-card,.wiki-card{transition:none}
    }