:root{
      --bg0:#ffffff;
      --bg1:#fff7fb;
      --bg2:#f7f8ff;
      --text:#1f2430;
      --muted:#5a6475;
      --muted2:#7a869b;
      --line:rgba(22,28,45,.10);
      --card:rgba(255,255,255,.78);
      --shadow:0 14px 40px rgba(20,28,55,.10);
      --shadow2:0 10px 24px rgba(20,28,55,.10);
      --radius:18px;

      --brandA:#ff3ea5;
      --brandB:#6c63ff;
      --brandC:#2dd4bf;
      --brandD:#ffb020;

      --btn:#111827;
      --btnText:#ffffff;
      --focus: rgba(108,99,255,.28);
      --link:#3451ff;
    }
    *{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", "Apple Color Emoji","Segoe UI Emoji";
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 10% -10%, rgba(255,62,165,.18), transparent 60%),
        radial-gradient(900px 520px at 90% 0%, rgba(108,99,255,.18), transparent 55%),
        radial-gradient(800px 520px at 70% 45%, rgba(45,212,191,.12), transparent 55%),
        linear-gradient(180deg, #ffffff 0%, #ffffff 30%, #fff7fb 85%, #ffffff 100%);
    }

    .container{
      width:100%;
      max-width:1180px;
      padding:0 18px;
      margin:0 auto;
    }

    .skip{
      position:absolute;
      left:-9999px;
      top:auto;
      width:1px;height:1px;
      overflow:hidden;
    }
    .skip:focus{
      left:16px; top:16px;
      width:auto;height:auto;
      padding:10px 12px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      z-index:9999;
    }

    header{
      position:sticky; top:0; z-index:1000;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom: 1px solid rgba(22,28,45,.08);
    }

    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding:14px 0;
      gap:14px;
    }

    .brand{
      display:flex; align-items:center; gap:12px;
      min-width: 220px;
    }
    .ai-page-logo{
      width:44px; height:44px; border-radius:14px;
      background: linear-gradient(135deg, rgba(255,62,165,.20), rgba(108,99,255,.18));
      padding:6px;
      box-shadow: 0 10px 24px rgba(108,99,255,.12);
      object-fit:contain;
    }
    .brand-text{
      display:flex; flex-direction:column; line-height:1.05;
    }
    .brand-text strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
    }

    .nav-right{
      display:flex; align-items:center; gap:10px;
      justify-content:flex-end;
      flex:1;
      min-width: 0;
    }

    .menu{
      display:flex; align-items:center; gap:18px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .menu a{
      text-decoration:none;
      color:var(--muted);
      font-size:13px;
      padding:8px 8px;
      border-radius:10px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .menu a:hover{
      background: rgba(108,99,255,.08);
      color:#2a2f3d;
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }

    .btn{
      appearance:none;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      color:#111827;
      padding:10px 14px;
      border-radius:12px;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      display:inline-flex; align-items:center; gap:10px;
      text-decoration:none;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(17,24,39,.10);
      border-color: rgba(108,99,255,.25);
    }
    .btn:focus{outline:none; box-shadow: 0 0 0 4px var(--focus), 0 12px 26px rgba(17,24,39,.10)}
    .btn-primary{
      border:1px solid rgba(17,24,39,.12);
      background: linear-gradient(135deg, rgba(255,62,165,.14), rgba(108,99,255,.12));
    }
    .btn-dark{
      background: var(--btn);
      border-color: rgba(255,255,255,.18);
      color: var(--btnText);
    }
    .btn-dark:hover{
      box-shadow: 0 18px 40px rgba(17,24,39,.22);
      border-color: rgba(255,255,255,.22);
    }

    .hamburger{
      display:none;
      width:42px;height:42px;
      border-radius:14px;
      border:1px solid rgba(22,28,45,.12);
      background: rgba(255,255,255,.65);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .2s ease;
      align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .hamburger:hover{ transform: translateY(-1px); box-shadow: 0 12px 24px rgba(17,24,39,.10) }
    .hamburger svg{display:block}

    .mobile-panel{
      display:none;
      border-top: 1px solid rgba(22,28,45,.08);
      padding:12px 0 16px;
    }
    .mobile-panel .mobile-menu{
      display:flex; flex-direction:column; gap:8px;
    }
    .mobile-panel .mobile-menu a{
      text-decoration:none;
      color:var(--text);
      background: rgba(255,255,255,.7);
      border:1px solid rgba(22,28,45,.10);
      padding:12px 12px;
      border-radius:14px;
      font-size:14px;
    }

    main{ padding: 22px 0 10px }
    .hero{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(22,28,45,.08);
      background:
        radial-gradient(900px 420px at 12% 18%, rgba(255,62,165,.20), transparent 62%),
        radial-gradient(900px 420px at 85% 22%, rgba(108,99,255,.18), transparent 60%),
        radial-gradient(800px 460px at 72% 70%, rgba(45,212,191,.12), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.62) 100%);
      border-radius: 26px;
      box-shadow: var(--shadow);
    }
    .hero-inner{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      padding: 26px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }

    .hero-left{
      padding: 10px 6px 10px 2px;
    }
    .pill-row{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-bottom: 14px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:999px;
      border: 1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.62);
      color: #2a2f3d;
      font-size:13px;
      box-shadow: 0 10px 22px rgba(17,24,39,.06);
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brandA), var(--brandB));
      box-shadow: 0 10px 18px rgba(255,62,165,.28);
    }

    .hero h1{
      margin:0 0 10px;
      font-size: 34px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .hero .sub{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
      max-width: 56ch;
    }

    .hero-actions{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
      margin-bottom: 16px;
    }
    .hero-actions .btn{
      padding: 12px 16px;
      border-radius: 14px;
      font-size:14px;
    }
    .tiny-note{
      display:flex; gap:10px; align-items:flex-start;
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.6;
      margin-top: 6px;
    }
    .check{
      width:18px;height:18px;border-radius:6px;
      background: rgba(45,212,191,.15);
      border:1px solid rgba(45,212,191,.25);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .check svg{width:12px;height:12px; display:block}

    .hero-right{
      padding: 10px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .data-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
    }
    .metric{
      border-radius: 18px;
      border: 1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.65);
      box-shadow: 0 12px 30px rgba(17,24,39,.06);
      padding: 14px 14px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 84px;
      display:flex; flex-direction:column; justify-content:space-between;
      position:relative;
      overflow:hidden;
    }
    .metric::before{
      content:"";
      position:absolute; inset:-2px -2px auto auto;
      width:54px;height:54px;
      background: radial-gradient(circle at 30% 30%, rgba(255,62,165,.22), transparent 62%),
                  radial-gradient(circle at 70% 60%, rgba(108,99,255,.20), transparent 60%);
      filter: blur(0px);
      opacity:.85;
      pointer-events:none;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(17,24,39,.10);
      border-color: rgba(108,99,255,.25);
    }
    .metric strong{
      font-size: 20px;
      letter-spacing:-.4px;
    }
    .metric span{
      color:var(--muted);
      font-size:12.5px;
      line-height:1.4;
    }

    .hero-card{
      border-radius: 22px;
      border: 1px solid rgba(22,28,45,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.60));
      box-shadow: 0 14px 34px rgba(17,24,39,.08);
      padding: 16px;
      display:flex; flex-direction:column; gap: 12px;
    }
    .hero-card-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .hero-card-top h2{
      font-size:14px; margin:0;
      color:#2a2f3d;
      letter-spacing:.2px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      font-size:12px;
      color:#2a2f3d;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.70);
      white-space:nowrap;
    }
    .badge i{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--brandC), var(--brandB));
      display:inline-block;
      box-shadow: 0 10px 18px rgba(108,99,255,.22);
    }
    .scene-tags{
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .scene{
      padding:9px 10px;
      border-radius: 14px;
      border: 1px dashed rgba(22,28,45,.14);
      background: rgba(255,255,255,.60);
      font-size:12.5px;
      color: var(--muted);
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
      user-select:none;
    }
    .scene:hover{
      transform: translateY(-1px);
      border-color: rgba(108,99,255,.30);
      background: rgba(255,255,255,.80);
      color:#2a2f3d;
    }

    .section{
      padding: 28px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom: 16px;
    }
    .kicker{
      color: #3a3f52;
      font-size: 13px;
      letter-spacing: .16px;
      display:flex; align-items:center; gap:10px;
      margin:0 0 8px;
    }
    .kicker .spark{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--brandA), var(--brandB));
      box-shadow: 0 12px 24px rgba(255,62,165,.25);
    }
    h2{
      margin:0;
      font-size: 24px;
      letter-spacing:-.4px;
    }
    .section-desc{
      margin: 6px 0 0;
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
      max-width: 66ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 14px;
    }

    .card{
      border-radius: var(--radius);
      border: 1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 12px 28px rgba(17,24,39,.06);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-width: 0;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(108,99,255,.26);
      box-shadow: 0 18px 44px rgba(17,24,39,.10);
    }
    .card h3{
      margin:0 0 8px;
      font-size: 15.5px;
      letter-spacing: -.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:13.5px;
    }
    .icon{
      width:42px;height:42px;border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(22,28,45,.10);
      background:
        radial-gradient(circle at 35% 30%, rgba(255,62,165,.18), transparent 60%),
        radial-gradient(circle at 70% 65%, rgba(108,99,255,.16), transparent 55%),
        rgba(255,255,255,.65);
      margin-bottom: 10px;
      box-shadow: 0 12px 26px rgba(17,24,39,.06);
    }
    .icon svg{width:20px;height:20px; display:block}

    .process{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
    }
    .step{
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(108,99,255,.26);
      box-shadow: 0 18px 44px rgba(17,24,39,.10);
    }
    .step .num{
      position:absolute; right:12px; top:12px;
      font-weight:800;
      font-size:12px;
      color: rgba(31,36,48,.28);
      letter-spacing:.6px;
    }
    .step h3{
      margin:0 0 10px;
      font-size: 15.5px;
      letter-spacing:-.2px;
    }
    .step p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:13.5px;
    }
    .step .line{
      height:2px; width:100%;
      background: linear-gradient(90deg, rgba(255,62,165,.55), rgba(108,99,255,.45), rgba(45,212,191,.42));
      border-radius:99px;
      margin: 14px 0 10px;
      opacity:.55;
    }

    .comparison{
      border-radius: 22px;
      border: 1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 34px rgba(17,24,39,.08);
      overflow:hidden;
    }

    .comparison .top{
      padding: 16px 16px 0;
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      flex-wrap:wrap;
    }
    .stars{
      display:flex; align-items:center; gap:10px;
    }
    .stars .star-wrap{
      display:flex; gap:4px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.7);
    }
    .star{
      width:18px;height:18px;
      display:inline-block;
      background: conic-gradient(from 180deg, var(--brandD), var(--brandA), var(--brandB), var(--brandC), var(--brandD));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      opacity:.95;
    }
    .stars strong{
      font-size: 14px;
    }
    .stars span{
      color:var(--muted);
      font-size: 12.5px;
      margin-left: 2px;
    }

    table{
      width:100%;
      border-collapse:collapse;
      font-size:13.5px;
      margin-top: 12px;
    }
    thead th{
      background: linear-gradient(135deg, rgba(255,62,165,.14), rgba(108,99,255,.12));
      color:#2a2f3d;
      font-weight:800;
      text-align:left;
      padding: 12px 14px;
      border-bottom: 1px solid rgba(22,28,45,.10);
    }
    tbody td{
      padding: 12px 14px;
      border-bottom: 1px solid rgba(22,28,45,.08);
      color:var(--muted);
      vertical-align:top;
    }
    tbody tr:hover td{
      background: rgba(108,99,255,.05);
      color:#2a2f3d;
    }
    .td-strong{
      color:#2a2f3d;
      font-weight:700;
    }
    .tick{
      display:inline-flex; align-items:center; gap:8px;
      color:#2a2f3d;
      font-weight:600;
    }
    .tick i{
      width:18px;height:18px;border-radius:7px;
      border:1px solid rgba(45,212,191,.35);
      background: rgba(45,212,191,.14);
      display:inline-flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .tick svg{width:12px;height:12px; display:block}

    .muted{
      color:var(--muted);
    }

    .timeline{
      border-radius: 22px;
      border: 1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 34px rgba(17,24,39,.08);
      padding: 16px;
    }
    .tl{
      display:flex; flex-direction:column; gap:12px;
      position:relative;
    }
    .tl-item{
      display:grid;
      grid-template-columns: 22px 1fr;
      gap: 12px;
      align-items:flex-start;
      padding: 12px 12px;
      border-radius: 18px;
      border: 1px solid rgba(22,28,45,.08);
      background: rgba(255,255,255,.55);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .tl-item:hover{
      transform: translateY(-2px);
      border-color: rgba(108,99,255,.22);
      box-shadow: 0 18px 44px rgba(17,24,39,.08);
    }
    .tl-dot{
      width:14px;height:14px;border-radius:6px;
      background: linear-gradient(135deg, var(--brandA), var(--brandB));
      box-shadow: 0 12px 22px rgba(108,99,255,.18);
      margin-top: 4px;
    }
    .tl-item h3{
      margin:0 0 6px;
      font-size: 14.5px;
    }
    .tl-item p{
      margin:0;
      color:var(--muted);
      font-size:13.3px;
      line-height:1.8;
    }

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap;
      margin: 10px 0 16px;
    }
    .tab{
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.70);
      color:var(--muted);
      padding:10px 12px;
      border-radius:14px;
      cursor:pointer;
      font-size:13.5px;
      transition: transform .16s ease, border-color .16s ease, color .16s ease;
      user-select:none;
    }
    .tab:hover{ transform: translateY(-1px); border-color: rgba(108,99,255,.26); color:#2a2f3d }
    .tab[aria-selected="true"]{
      border-color: rgba(108,99,255,.32);
      background: linear-gradient(135deg, rgba(255,62,165,.12), rgba(108,99,255,.12));
      color:#1f2430;
      box-shadow: 0 14px 34px rgba(108,99,255,.12);
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top: 12px;
    }
    label{
      display:flex;
      flex-direction:column;
      gap:8px;
      font-size:12.8px;
      color:var(--muted);
    }
    input, select, textarea{
      font:inherit;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(22,28,45,.12);
      background: rgba(255,255,255,.78);
      color:#1f2430;
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease;
    }
    textarea{ min-height: 120px; resize: vertical }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(108,99,255,.35);
      box-shadow: 0 0 0 4px var(--focus);
    }
    .form .full{ grid-column: 1 / -1; }
    .form-actions{
      grid-column: 1 / -1;
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-top: 2px;
    }
    .helper{
      color:var(--muted2);
      font-size:12.5px;
      line-height:1.6;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .review{
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 12px 28px rgba(17,24,39,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .review:hover{
      transform: translateY(-2px);
      border-color: rgba(108,99,255,.26);
      box-shadow: 0 18px 44px rgba(17,24,39,.10);
    }
    .review .who{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .avatar{
      width:38px;height:38px;border-radius:16px;
      border:1px solid rgba(22,28,45,.10);
      background:
        radial-gradient(circle at 30% 30%, rgba(255,62,165,.18), transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(108,99,255,.16), transparent 55%),
        rgba(255,255,255,.68);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#2a2f3d;
    }
    .role{
      display:flex; flex-direction:column; gap:2px;
      min-width:0;
    }
    .role strong{
      font-size:13.5px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .role span{
      font-size:12.2px;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .review p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.85;
    }

    .articles{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:start;
    }
    .article-list{
      border-radius: 22px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 34px rgba(17,24,39,.08);
      padding: 16px;
    }
    .article-list ul{
      list-style:none;
      padding:0;margin:0;
      display:flex; flex-direction:column; gap:10px;
    }
    .article-list a{
      text-decoration:none;
      color:#1f2430;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:12px 12px;
      border-radius: 16px;
      border:1px solid rgba(22,28,45,.08);
      background: rgba(255,255,255,.55);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .article-list a:hover{
      transform: translateY(-2px);
      border-color: rgba(108,99,255,.26);
      box-shadow: 0 18px 44px rgba(17,24,39,.08);
      background: rgba(255,255,255,.72);
    }
    .article-list .meta{
      color:var(--muted2);
      font-size:12.3px;
      margin-top:4px;
    }
    .article-list .title{
      font-weight:800;
      font-size:13.8px;
      line-height:1.4;
    }
    .arrow{
      width:30px;height:30px;border-radius:12px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color:#2a2f3d;
    }
    .arrow svg{width:14px;height:14px; display:block}

    .helper-card{
      border-radius: 22px;
      border:1px solid rgba(22,28,45,.10);
      background:
        radial-gradient(900px 320px at 20% 0%, rgba(255,62,165,.15), transparent 60%),
        radial-gradient(900px 320px at 90% 20%, rgba(108,99,255,.14), transparent 60%),
        rgba(255,255,255,.72);
      box-shadow: 0 14px 34px rgba(17,24,39,.08);
      padding: 16px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .helper-card h3{
      margin:0;
      font-size: 16px;
      letter-spacing:-.2px;
    }
    .bullets{
      display:flex; flex-direction:column; gap:10px;
      margin:0; padding:0; list-style:none;
    }
    .bullets li{
      display:flex; gap:10px; align-items:flex-start;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }
    .bullets li .mini{
      width:22px;height:22px;border-radius:9px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top: 1px;
    }
    .bullets li .mini svg{width:12px;height:12px; display:block}

    .faq-wrap{
      border-radius: 22px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 34px rgba(17,24,39,.08);
      padding: 10px;
    }
    details{
      border-radius: 18px;
      border: 1px solid rgba(22,28,45,.08);
      background: rgba(255,255,255,.55);
      padding: 10px 12px;
      margin: 10px 8px;
      transition: border-color .2s ease, background .2s ease, transform .18s ease;
    }
    details:hover{
      border-color: rgba(108,99,255,.26);
      background: rgba(255,255,255,.72);
      transform: translateY(-1px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
      padding: 8px 6px;
    }
    summary::-webkit-details-marker{display:none}
    .q{
      font-weight:850;
      font-size:14px;
      line-height:1.4;
      color:#1f2430;
      padding-right: 10px;
    }
    .chev{
      width:30px;height:30px;border-radius:12px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .22s ease;
    }
    details[open] .chev{ transform: rotate(180deg); }
    .chev svg{width:14px;height:14px; display:block}
    .a{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.9;
      padding: 0 6px 10px;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 8px;
    }
    .tag-cloud a{
      text-decoration:none;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.70);
      color:var(--muted);
      font-size:13px;
      transition: transform .16s ease, border-color .16s ease, background .16s ease, color .16s ease;
      user-select:none;
    }
    .tag-cloud a:hover{
      transform: translateY(-1px);
      border-color: rgba(108,99,255,.26);
      background: rgba(255,255,255,.88);
      color:#1f2430;
    }

    .cases{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .case-card{
      border-radius: 22px;
      border: 1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 34px rgba(17,24,39,.08);
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      display:flex;
      flex-direction:column;
    }
    .case-card:hover{
      transform: translateY(-2px);
      border-color: rgba(108,99,255,.26);
      box-shadow: 0 18px 44px rgba(17,24,39,.10);
    }
    .media{
      padding: 12px;
      background:
        linear-gradient(135deg, rgba(255,62,165,.10), rgba(108,99,255,.10));
      border-bottom: 1px solid rgba(22,28,45,.08);
    }
    .media img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 16px;
      object-fit: contain;
      background: rgba(255,255,255,.6);
    }
    .case-body{
      padding: 14px 16px 16px;
      display:flex; flex-direction:column; gap:10px;
    }
    .case-title{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .case-body h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .case-body p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.85;
    }

    .pairs{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:stretch;
    }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 12px;
    }
    .net{
      padding: 16px;
      border-radius: 18px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 12px 28px rgba(17,24,39,.06);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .net:hover{
      transform: translateY(-2px);
      border-color: rgba(108,99,255,.26);
      box-shadow: 0 18px 44px rgba(17,24,39,.10);
    }
    .net h3{
      margin:0 0 8px;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .net p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.85;
    }
    .net .small{
      margin-top: 10px;
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.66);
      color:var(--muted);
      font-size:12.5px;
    }

    .float-chat{
      position:fixed;
      right: 14px;
      bottom: 14px;
      z-index:1200;
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap: 10px;
      pointer-events:none;
    }
    .float-chat .bubble{
      pointer-events:auto;
      display:flex; gap:10px; align-items:center;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 44px rgba(17,24,39,.14);
      transform: translateY(0);
      transition: transform .2s ease;
      cursor:pointer;
      user-select:none;
    }
    .float-chat .bubble:hover{ transform: translateY(-2px); }
    .bubble .avatar-mini{
      width:34px;height:34px;border-radius:14px;
      border:1px solid rgba(22,28,45,.10);
      background:
        radial-gradient(circle at 30% 30%, rgba(255,62,165,.18), transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(108,99,255,.16), transparent 55%),
        rgba(255,255,255,.7);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color:#2a2f3d;
      flex:0 0 auto;
    }
    .bubble span{
      font-weight:800;
      font-size:13.5px;
    }
    .bubble i{
      display:inline-block;
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--brandA), var(--brandC));
      box-shadow: 0 12px 22px rgba(45,212,191,.25);
      margin-left: 6px;
    }

    .qr-pop{
      pointer-events:auto;
      width:min(320px, calc(100vw - 28px));
      border-radius: 22px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 26px 70px rgba(17,24,39,.18);
      overflow:hidden;
      display:none;
      transform-origin: 90% 100%;
      animation: popIn .18s ease-out;
    }
    @keyframes popIn{
      from{ opacity:0; transform: scale(.98) translateY(6px);}
      to{ opacity:1; transform: scale(1) translateY(0);}
    }
    .qr-top{
      padding: 12px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      border-bottom: 1px solid rgba(22,28,45,.08);
      background: linear-gradient(135deg, rgba(255,62,165,.10), rgba(108,99,255,.08));
    }
    .qr-top strong{ font-size:14px; }
    .qr-close{
      width:36px;height:36px;border-radius:14px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .qr-close svg{width:14px;height:14px; display:block}
    .qr-body{
      padding: 14px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .qr-img{
      width: 110px; height: 110px;
      border-radius: 18px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.7);
      padding: 10px;
      flex:0 0 auto;
      display:flex; align-items:center; justify-content:center;
    }
    .qr-img img{
      width:100%; height:auto; display:block;
      object-fit:contain;
    }
    .qr-text{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.8;
    }
    .qr-text strong{ color:#1f2430; display:block; margin-bottom:4px; }

    .backTop{
      position:fixed;
      left: 14px;
      bottom: 14px;
      z-index:1200;
      pointer-events:none;
    }
    .backTop button{
      pointer-events:auto;
      width:44px;height:44px;border-radius:16px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 44px rgba(17,24,39,.14);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      opacity:0; transform: translateY(10px);
      transition: opacity .2s ease, transform .2s ease;
    }
    .backTop button.show{
      opacity:1; transform: translateY(0);
    }
    .backTop svg{width:18px;height:18px; display:block}

    footer{
      margin-top: 10px;
      background: linear-gradient(180deg, rgba(255,247,251,.7), rgba(255,255,255,.95));
      border-top: 1px solid rgba(22,28,45,.08);
      padding: 22px 0 26px;
    }
    .footer-wrap{
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
    }
    .foot-left{
      flex: 1 1 320px;
      min-width: 0;
    }
    .foot-right{
      flex: 1 1 320px;
      display:flex; flex-direction:column; gap: 12px;
      min-width: 0;
    }
    .foot-brand{
      display:flex; gap:12px; align-items:center;
      margin-bottom: 10px;
    }
    .foot-brand img{
      width:40px;height:40px;border-radius:16px;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.8);
      padding:6px;
      object-fit:contain;
    }
    .foot-brand strong{
      font-size:14px;
    }
    .foot-brand span{
      display:block;
      color:var(--muted);
      font-size:12.8px;
      margin-top:2px;
    }
    .foot-links{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .foot-links a{
      text-decoration:none;
      color:#2a2f3d;
      border:1px solid rgba(22,28,45,.10);
      background: rgba(255,255,255,.72);
      padding:10px 12px;
      border-radius:14px;
      font-size:13px;
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
      user-select:none;
    }
    .foot-links a:hover{
      transform: translateY(-1px);
      border-color: rgba(108,99,255,.26);
      background: rgba(255,255,255,.92);
    }

    .foot-bottom{
      margin-top: 16px;
      display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color:var(--muted2);
      font-size:12.5px;
      padding-top: 14px;
      border-top: 1px solid rgba(22,28,45,.08);
    }

    .sr-only{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }

    [data-reveal]{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    [data-reveal].in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-inner{ grid-template-columns: 1fr; }
      .hero-right{ padding: 0 10px 10px; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .process{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .articles{ grid-template-columns: 1fr; }
      .reviews{ grid-template-columns: 1fr; }
      .cases{ grid-template-columns: 1fr; }
      .pairs{ grid-template-columns: 1fr; }
      .network{ grid-template-columns: 1fr; }
      .form{ grid-template-columns: 1fr; }
      .menu{ display:none; }
      .nav-cta{ display:none; }
      .hamburger{ display:flex; }
      .mobile-panel{ display:block; }
    }

    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior:auto }
      [data-reveal]{ transition:none; transform:none; opacity:1 }
      details, .card, .metric, .step{ transition:none !important }
      .qr-pop{ animation:none }
    }