:root{
      --bg0:#0b1020;
      --bg1:#0a1226;
      --card:#ffffff;
      --text:#14181f;
      --muted:#5a6472;
      --line:rgba(20,24,31,.10);
      --shadow:0 10px 30px rgba(16,24,40,.10);
      --shadow2:0 18px 50px rgba(10,18,38,.12);
      --brand1:#7c5cff;
      --brand2:#18d6ff;
      --brand3:#35ffb5;
      --brand4:#ff4fd8;
      --accent:#5a67ff;
      --btn:#0f172a;
      --btnText:#ffffff;
      --radius:16px;
      --radius2:22px;
      --container:1120px;
      --pad:20px;
      --focus:rgba(124,92,255,.35);
    }
    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(1200px 700px at 20% -10%, rgba(124,92,255,.18), transparent 60%),
        radial-gradient(1000px 600px at 85% 0%, rgba(24,214,255,.16), transparent 55%),
        radial-gradient(900px 520px at 70% 45%, rgba(53,255,181,.10), transparent 55%),
        linear-gradient(180deg, #f7f8ff 0%, #ffffff 28%, #f6f8ff 100%);
      overflow-x:hidden;
    }
    *{box-sizing:border-box;}
    a{color:inherit; text-decoration:none;}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--pad);
    }
    .skip-link{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
      z-index:9999;
    }
    .skip-link:focus{
      left:16px; top:16px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line); border-radius:12px;
      box-shadow: var(--shadow);
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(130%) blur(10px);
      background:rgba(255,255,255,.70);
      border-bottom:1px solid rgba(20,24,31,.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:220px;
    }
    .ai-page-logo{
      width:44px; height:44px; object-fit:contain;
      filter: saturate(110%);
    }
    .brand-text{
      display:flex; flex-direction:column; line-height:1.2;
    }
    .brand-name{
      font-weight:820; letter-spacing:.2px;
      color:#0b1220;
      font-size:14px;
    }
    .brand-sub{
      color:var(--muted);
      font-size:12px;
      margin-top:3px;
    }

    nav .nav-links{
      display:flex; align-items:center; gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:#1a2230;
      padding:9px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(124,92,255,.08);
      border-color:rgba(124,92,255,.18);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px;
      justify-content:flex-end;
      min-width:220px;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(20,24,31,.12);
      background:#fff;
      color:#0f172a;
      box-shadow: 0 8px 22px rgba(16,24,40,.06);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      font-weight:720; font-size:13px;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: 0 14px 30px rgba(16,24,40,.10); border-color: rgba(124,92,255,.22);}
    .btn:active{transform: translateY(0px); box-shadow: 0 10px 24px rgba(16,24,40,.08);}
    .btn-primary{
      border-color:rgba(124,92,255,.35);
      background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(24,214,255,.75));
      color:#06101f;
      box-shadow: 0 18px 60px rgba(124,92,255,.25);
      position:relative;
      overflow:hidden;
    }
    .btn-primary::after{
      content:"";
      position:absolute; inset:-2px;
      background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.45) 35%, transparent 70%);
      transform: translateX(-120%);
      transition: transform .6s ease;
      pointer-events:none;
    }
    .btn-primary:hover::after{transform: translateX(120%);}
    .btn-primary .btn-ic{
      width:18px; height:18px; display:inline-block;
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }

    .mobile-toggle{
      display:none;
      border:1px solid rgba(20,24,31,.12);
      background:#fff;
      border-radius:14px;
      padding:10px 12px;
      cursor:pointer;
      box-shadow: 0 8px 22px rgba(16,24,40,.06);
    }
    .mobile-toggle span{
      display:block; width:18px; height:2px; background:#0f172a; margin:4px 0; border-radius:2px;
    }

    .mobile-panel{
      display:none;
      padding:10px 0 16px 0;
    }
    .mobile-panel a{
      display:block;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.65);
      margin-top:10px;
      font-weight:650;
      color:#0f172a;
      transition: transform .15s ease, background .15s ease;
    }
    .mobile-panel a:hover{transform: translateY(-1px); background:#fff;}

    main{padding-bottom:40px;}

    .hero{
      position:relative;
      padding:36px 0 20px 0;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-left{
      padding:26px 22px;
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.80) 0%, rgba(255,255,255,.60) 100%),
        radial-gradient(900px 380px at 10% 0%, rgba(124,92,255,.22), transparent 60%),
        radial-gradient(800px 360px at 85% 25%, rgba(24,214,255,.18), transparent 55%),
        radial-gradient(700px 300px at 65% 95%, rgba(53,255,181,.12), transparent 55%);
      box-shadow: 0 28px 80px rgba(10,18,38,.10);
      position:relative;
    }
    .hero-left::before{
      content:"";
      position:absolute;
      left:-120px; top:-120px;
      width:320px; height:320px;
      background: conic-gradient(from 210deg, rgba(124,92,255,.0), rgba(124,92,255,.55), rgba(24,214,255,.45), rgba(53,255,181,.40), rgba(255,79,216,.30), rgba(124,92,255,.0));
      filter: blur(18px);
      opacity:.9;
      pointer-events:none;
      transform: rotate(18deg);
    }
    .hero-left::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(255,255,255,.0) 0%, rgba(255,255,255,.22) 35%, rgba(255,255,255,.0) 70%);
      opacity:.35;
      pointer-events:none;
      transform: translateX(-35%);
      animation: sheen 7.5s ease-in-out infinite;
    }
    @keyframes sheen{
      0%, 15%{transform: translateX(-55%); opacity:.18;}
      50%{transform: translateX(15%); opacity:.40;}
      85%,100%{transform: translateX(55%); opacity:.14;}
    }

    .kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      margin-bottom:14px;
      position:relative;
      z-index:1;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(124,92,255,.26);
      background:rgba(124,92,255,.08);
      font-weight:720; font-size:12px;
      color:#2a2f48;
    }
    .pill .dot{
      width:8px; height:8px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 4px rgba(124,92,255,.16);
    }
    .kicker span{
      color:var(--muted);
      font-size:12px;
      font-weight:650;
    }

    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
      position:relative;
      z-index:1;
      color:#0c1220;
    }
    .hero-desc{
      margin-top:12px;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
      max-width:56ch;
      position:relative;
      z-index:1;
    }
    .hero-actions{
      margin-top:18px;
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      position:relative;
      z-index:1;
    }
    .btn-ghost{
      background:rgba(255,255,255,.75);
      border-color: rgba(20,24,31,.12);
    }
    .hero-meta{
      margin-top:16px;
      display:flex; gap:14px; flex-wrap:wrap;
      position:relative;
      z-index:1;
    }
    .meta-item{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,24,31,.08);
      background:rgba(255,255,255,.62);
      min-width:170px;
    }
    .meta-ic{
      width:34px; height:34px; border-radius:12px;
      background: linear-gradient(135deg, rgba(124,92,255,.16), rgba(24,214,255,.12));
      border:1px solid rgba(124,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .meta-title{
      font-weight:820; font-size:13px; color:#0f172a;
      line-height:1.2;
      margin-top:1px;
    }
    .meta-sub{
      color:var(--muted);
      font-size:12px; margin-top:4px; line-height:1.2;
    }

    .hero-right{
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.76) 0%, rgba(255,255,255,.58) 100%);
      box-shadow: 0 24px 70px rgba(10,18,38,.08);
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .hero-right::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(600px 240px at 10% 0%, rgba(124,92,255,.22), transparent 58%),
        radial-gradient(520px 220px at 90% 30%, rgba(24,214,255,.18), transparent 60%),
        radial-gradient(540px 260px at 70% 100%, rgba(255,79,216,.12), transparent 55%);
      opacity:.9;
      pointer-events:none;
    }
    .hero-panel{
      position:relative;
      z-index:1;
      display:flex; flex-direction:column; gap:12px;
      height:100%;
    }
    .spark{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,24,31,.08);
      background:rgba(255,255,255,.68);
    }
    .spark strong{font-size:13px; letter-spacing:.2px;}
    .spark small{color:var(--muted); display:block; margin-top:4px; font-weight:650;}
    .badge{
      padding:8px 10px;
      border-radius:999px;
      background: linear-gradient(135deg, rgba(124,92,255,.15), rgba(53,255,181,.12));
      border:1px solid rgba(124,92,255,.20);
      font-weight:820;
      font-size:12px;
      color:#1a2230;
      white-space:nowrap;
    }

    .signal{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .stat{
      padding:14px 12px;
      border-radius:16px;
      border:1px solid rgba(20,24,31,.08);
      background:rgba(255,255,255,.68);
      transition: transform .18s ease, box-shadow .18s ease;
      box-shadow: 0 8px 18px rgba(16,24,40,.05);
    }
    .stat:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
    }
    .stat .num{
      font-weight:900;
      font-size:18px;
      letter-spacing:-.3px;
    }
    .stat .lab{
      margin-top:6px;
      color:var(--muted);
      font-size:12px;
      line-height:1.35;
      font-weight:650;
    }

    .mini-workflow{
      padding:14px 12px;
      border-radius:16px;
      border:1px solid rgba(20,24,31,.08);
      background:rgba(255,255,255,.65);
    }
    .mini-workflow h3{
      margin:0;
      font-size:13px;
      letter-spacing:.2px;
    }
    .steps-inline{
      margin-top:10px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .chip{
      display:flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.70);
      font-weight:720;
      font-size:12px;
      color:#1a2230;
      transition: transform .15s ease, border-color .15s ease;
    }
    .chip:hover{transform: translateY(-1px); border-color: rgba(124,92,255,.25);}
    .chip i{
      width:10px; height:10px; border-radius:3px;
      background: linear-gradient(135deg, rgba(124,92,255,.85), rgba(24,214,255,.75));
      display:inline-block;
      box-shadow: 0 0 0 4px rgba(124,92,255,.12);
    }

    .section{
      padding:28px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }
    h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.3px;
      color:#0d1324;
      line-height:1.3;
    }
    .subhead{
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      margin-top:8px;
      max-width:68ch;
    }
    .section-tag{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
      color:#1a2230;
      font-weight:820;
      font-size:12px;
      white-space:nowrap;
    }
    .section-tag .wave{
      width:18px; height:18px;
      border-radius:6px;
      background: conic-gradient(from 180deg, rgba(124,92,255,.9), rgba(24,214,255,.85), rgba(53,255,181,.8), rgba(255,79,216,.75), rgba(124,92,255,.9));
      box-shadow: 0 10px 30px rgba(124,92,255,.20);
    }

    .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(20,24,31,.10);
      background:rgba(255,255,255,.70);
      box-shadow: 0 14px 40px rgba(10,18,38,.06);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 70px rgba(10,18,38,.12);
      border-color: rgba(124,92,255,.22);
    }
    .card .top{
      display:flex; align-items:flex-start; gap:12px;
      margin-bottom:10px;
    }
    .card .ico{
      width:42px; height:42px; border-radius:16px;
      background: linear-gradient(135deg, rgba(124,92,255,.14), rgba(24,214,255,.10));
      border:1px solid rgba(124,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .card h3{
      margin:0;
      font-size:15px;
      color:#0d1324;
      letter-spacing:-.2px;
      line-height:1.3;
    }
    .card p{
      margin:8px 0 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      font-weight:620;
    }
    .card ul{
      margin:10px 0 0 0; padding:0; list-style:none;
      display:flex; flex-direction:column; gap:8px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      color:#1a2230;
      font-size:13px; font-weight:700;
      line-height:1.4;
    }
    .li .check{
      width:18px; height:18px; border-radius:6px;
      background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(53,255,181,.12));
      border:1px solid rgba(124,92,255,.20);
      display:inline-flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .li span{color:var(--muted); font-weight:650;}

    .timeline{
      display:flex; flex-direction:column; gap:12px;
    }
    .t-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px 14px;
      border-radius:16px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
    }
    .t-dot{
      width:40px; height:40px;
      border-radius:16px;
      background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(24,214,255,.12));
      border:1px solid rgba(124,92,255,.20);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .t-title{
      font-weight:880; font-size:14px;
      color:#0d1324;
      margin:0;
    }
    .t-desc{
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      font-weight:630;
    }

    .compare-wrap{
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
      box-shadow: 0 24px 70px rgba(10,18,38,.08);
      overflow:hidden;
    }
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      font-size:13px;
      color:#0f172a;
      background:transparent;
    }
    thead th{
      background:
        radial-gradient(900px 240px at 20% 0%, rgba(124,92,255,.18), transparent 55%),
        radial-gradient(720px 220px at 90% 20%, rgba(24,214,255,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.9) 0%, rgba(255,255,255,.65) 100%);
      border-bottom:1px solid rgba(20,24,31,.10);
      padding:14px 12px;
      text-align:left;
      font-weight:900;
      letter-spacing:.1px;
    }
    tbody td{
      border-bottom:1px solid rgba(20,24,31,.08);
      padding:12px 12px;
      vertical-align:top;
      color:#1a2230;
      line-height:1.6;
      font-weight:650;
    }
    tbody tr:last-child td{border-bottom:none;}
    .cell-muted{color:var(--muted); font-weight:650;}
    .score-pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(124,92,255,.20);
      background: linear-gradient(135deg, rgba(124,92,255,.12), rgba(24,214,255,.08));
      font-weight:900;
      white-space:nowrap;
    }
    .stars{
      display:inline-flex; gap:2px; transform: translateY(1px);
    }
    .star{
      width:16px; height:16px;
      display:inline-block;
      background: conic-gradient(from 180deg, rgba(255,79,216,.0), rgba(255,215,64,.95), rgba(255,79,216,.0));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      border:1px solid rgba(255,215,64,.25);
      box-shadow: 0 10px 25px rgba(255,215,64,.18);
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .case-media{
      border-radius:16px;
      border:1px solid rgba(20,24,31,.10);
      background:
        radial-gradient(380px 160px at 20% 10%, rgba(124,92,255,.22), transparent 60%),
        radial-gradient(360px 150px at 85% 20%, rgba(24,214,255,.18), transparent 60%),
        radial-gradient(320px 170px at 70% 95%, rgba(53,255,181,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.85) 0%, rgba(255,255,255,.62) 100%);
      padding:14px;
      height:132px;
      display:flex;
      align-items:flex-end;
      position:relative;
      overflow:hidden;
    }
    .case-media::after{
      content:"";
      position:absolute; inset:-40px;
      background:
        linear-gradient(120deg, transparent 0%, rgba(255,255,255,.35) 45%, transparent 65%);
      transform: translateX(-60%) rotate(12deg);
      opacity:.35;
      animation: drift 9s ease-in-out infinite;
      pointer-events:none;
    }
    @keyframes drift{
      0%,20%{transform: translateX(-65%) rotate(12deg); opacity:.20;}
      55%{transform: translateX(30%) rotate(12deg); opacity:.40;}
      100%{transform: translateX(65%) rotate(12deg); opacity:.22;}
    }

    .case-media .label{
      position:relative; z-index:1;
      display:inline-flex; align-items:center; gap:10px;
      padding:9px 11px;
      border-radius:999px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.72);
      font-weight:900;
      color:#0f172a;
      font-size:12px;
      box-shadow: 0 12px 30px rgba(16,24,40,.08);
    }
    .case-body h3{margin:10px 0 0 0; font-size:15px; letter-spacing:-.2px;}
    .case-body p{margin:8px 0 0 0; color:var(--muted); font-size:13px; line-height:1.7; font-weight:640;}
    .case-body .meta{
      margin-top:12px;
      display:flex; gap:8px; flex-wrap:wrap;
    }
    .tag{
      font-size:12px; font-weight:820;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
      color:#1a2230;
    }
    .tag.grad{
      border-color: rgba(124,92,255,.22);
      background: linear-gradient(135deg, rgba(124,92,255,.12), rgba(24,214,255,.08));
    }

    .list-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article-item{
      padding:14px 14px;
      border-radius:16px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
    }
    .article-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 55px rgba(10,18,38,.10);
      border-color: rgba(124,92,255,.22);
    }
    .article-item strong{
      display:block;
      font-size:14px;
      letter-spacing:-.2px;
      line-height:1.35;
      margin-top:1px;
    }
    .article-item span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:6px;
      font-weight:650;
      line-height:1.4;
    }
    .article-item .go{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:36px; height:36px;
      border-radius:14px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.72);
      transition: transform .16s ease;
      margin-top:2px;
    }
    .article-item:hover .go{transform: translateX(2px);}

    .tabbed{
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
      box-shadow: 0 24px 70px rgba(10,18,38,.07);
      overflow:hidden;
    }
    .tab-head{
      display:flex; gap:8px; flex-wrap:wrap;
      padding:14px;
      border-bottom:1px solid rgba(20,24,31,.08);
      background:
        radial-gradient(700px 200px at 20% 0%, rgba(124,92,255,.16), transparent 55%),
        radial-gradient(560px 180px at 90% 30%, rgba(24,214,255,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
    }
    .tab-btn{
      appearance:none;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.74);
      color:#0f172a;
      padding:10px 12px;
      border-radius:16px;
      font-weight:860;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .tab-btn:hover{transform: translateY(-1px); border-color: rgba(124,92,255,.22);}
    .tab-btn[aria-selected="true"]{
      border-color: rgba(124,92,255,.35);
      background: linear-gradient(135deg, rgba(124,92,255,.16), rgba(24,214,255,.10));
      box-shadow: 0 18px 55px rgba(124,92,255,.18);
    }
    .tab-body{
      padding:16px 14px;
    }
    .tab-pane{display:none;}
    .tab-pane.active{display:block; animation: fadeIn .25s ease both;}
    @keyframes fadeIn{
      from{opacity:.0; transform: translateY(6px);}
      to{opacity:1; transform: translateY(0);}
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field label{
      font-weight:880; font-size:12px; color:#0f172a;
    }
    .input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(20,24,31,.12);
      background:rgba(255,255,255,.86);
      padding:11px 12px;
      font-size:13px;
      color:#0f172a;
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    textarea{min-height:110px; resize:vertical;}
    .input:focus, select:focus, textarea:focus{
      border-color: rgba(124,92,255,.35);
      box-shadow: 0 0 0 4px var(--focus);
      background:#fff;
    }
    .form .full{grid-column: 1 / -1;}
    .form-actions{
      grid-column: 1 / -1;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top:2px;
      flex-wrap:wrap;
    }
    .hint{
      color:var(--muted);
      font-size:12px;
      font-weight:650;
      line-height:1.5;
    }
    .captcha-mock{
      display:flex; align-items:center; gap:8px;
      padding:10px 12px;
      border-radius:16px;
      border:1px dashed rgba(20,24,31,.18);
      background:rgba(255,255,255,.55);
      color:var(--muted);
      font-size:12px;
      font-weight:750;
    }

    .faq{
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
      box-shadow: 0 24px 70px rgba(10,18,38,.07);
      overflow:hidden;
    }
    details.faq-item{
      border-top:1px solid rgba(20,24,31,.08);
      padding:0;
      background:transparent;
    }
    details.faq-item:first-child{border-top:none;}
    summary{
      list-style:none;
      cursor:pointer;
      padding:14px 14px;
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none;}
    .q{
      font-weight:900;
      font-size:14px;
      color:#0f172a;
      line-height:1.4;
    }
    .chev{
      width:36px; height:36px;
      border-radius:14px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
      flex:0 0 auto;
    }
    details[open] .chev{transform: rotate(180deg);}
    .a{
      padding:0 14px 14px 14px;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      font-weight:650;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .comment-card{
      border-radius:var(--radius);
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
      box-shadow: 0 14px 40px rgba(10,18,38,.06);
      padding:16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .comment-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 70px rgba(10,18,38,.12);
      border-color: rgba(124,92,255,.22);
    }
    .avatar{
      width:44px; height:44px; border-radius:18px;
      background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(24,214,255,.12));
      border:1px solid rgba(124,92,255,.18);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#0f172a;
      letter-spacing:.2px;
      flex:0 0 auto;
    }
    .comment-top{
      display:flex; align-items:center; gap:12px;
      justify-content:space-between;
    }
    .who{
      display:flex; gap:12px; align-items:center;
    }
    .who strong{display:block; font-size:14px; letter-spacing:-.2px;}
    .who span{display:block; color:var(--muted); font-size:12px; margin-top:5px; font-weight:650;}
    .rating{
      display:flex; gap:2px; align-items:center;
      color:#1a2230;
      font-weight:900;
      font-size:12px;
    }
    .comment-text{
      margin-top:12px;
      color:var(--muted);
      font-size:13px;
      line-height:1.85;
      font-weight:650;
    }

    .logo-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      padding-top:6px;
    }
    .logo-pill{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.68);
      font-weight:860;
      font-size:12px;
      color:#1a2230;
      transition: transform .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .logo-pill:hover{transform: translateY(-1px); border-color: rgba(124,92,255,.22);}

    .pricing{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .price-card{
      padding:16px;
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.66);
      box-shadow: 0 24px 70px rgba(10,18,38,.07);
      position:relative;
      overflow:hidden;
    }
    .price-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(520px 200px at 15% 0%, rgba(124,92,255,.18), transparent 58%),
        radial-gradient(460px 190px at 95% 30%, rgba(24,214,255,.14), transparent 60%);
      opacity:.9; pointer-events:none;
    }
    .price-card > *{position:relative; z-index:1;}
    .price-head{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .price-head h3{margin:0; font-size:15px; letter-spacing:-.2px;}
    .price-figure{
      font-weight:1000;
      font-size:26px;
      letter-spacing:-.6px;
      margin-top:6px;
    }
    .price-unit{
      color:var(--muted);
      font-size:12px;
      font-weight:720;
      margin-left:6px;
    }
    .price-list{
      margin:12px 0 0 0;
      padding:0; list-style:none;
      display:flex; flex-direction:column; gap:9px;
    }
    .price-list li{
      display:flex; gap:10px; align-items:flex-start;
      color:var(--muted);
      font-size:13px; font-weight:680;
      line-height:1.55;
    }
    .price-list li b{color:#0f172a;}
    .price-actions{
      margin-top:14px;
      display:flex; gap:10px; flex-wrap:wrap;
    }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .map-mock{
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:
        radial-gradient(700px 260px at 30% 10%, rgba(124,92,255,.18), transparent 60%),
        radial-gradient(650px 240px at 90% 35%, rgba(24,214,255,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.80), rgba(255,255,255,.62));
      box-shadow: 0 24px 70px rgba(10,18,38,.07);
      padding:16px;
      position:relative;
      overflow:hidden;
      min-height:240px;
    }
    .map-mock::after{
      content:"";
      position:absolute;
      inset:-60px;
      background:
        radial-gradient(circle at 20% 30%, rgba(124,92,255,.35), transparent 40%),
        radial-gradient(circle at 60% 55%, rgba(24,214,255,.28), transparent 45%),
        radial-gradient(circle at 75% 30%, rgba(53,255,181,.20), transparent 40%),
        radial-gradient(circle at 35% 70%, rgba(255,79,216,.18), transparent 45%);
      opacity:.55; pointer-events:none;
    }
    .map-inner{
      position:relative; z-index:1;
      height:100%;
      display:flex; flex-direction:column; gap:12px;
    }
    .map-title{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .map-title strong{font-size:15px; letter-spacing:-.2px;}
    .map-legend{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
      color:var(--muted);
      font-size:12px;
      font-weight:700;
    }
    .legend-dot{width:10px; height:10px; border-radius:3px; display:inline-block;}
    .dot-a{background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(24,214,255,.75));}
    .dot-b{background: linear-gradient(135deg, rgba(53,255,181,.9), rgba(24,214,255,.7));}
    .dot-c{background: linear-gradient(135deg, rgba(255,79,216,.85), rgba(124,92,255,.75));}
    .map-points{
      margin-top:8px;
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:10px;
    }
    .point{
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.68);
      transition: transform .16s ease, border-color .16s ease;
    }
    .point:hover{transform: translateY(-2px); border-color: rgba(124,92,255,.22);}
    .point b{display:block; font-size:13px;}
    .point span{display:block; color:var(--muted); font-size:12px; margin-top:6px; font-weight:660; line-height:1.5;}

    .footer{
      padding:18px 0 28px 0;
      border-top:1px solid rgba(20,24,31,.10);
      background:
        radial-gradient(1100px 380px at 15% 0%, rgba(124,92,255,.14), transparent 60%),
        radial-gradient(900px 320px at 85% 20%, rgba(24,214,255,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.65), rgba(255,255,255,.80));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .footer-left{
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.68);
      padding:16px;
      box-shadow: 0 18px 55px rgba(10,18,38,.06);
    }
    .footer-left .row{
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between; flex-wrap:wrap;
    }
    .footer-left p{
      margin:10px 0 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
      font-weight:650;
      max-width:70ch;
    }
    .footer-right{
      border-radius:var(--radius2);
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.68);
      padding:16px;
      box-shadow: 0 18px 55px rgba(10,18,38,.06);
    }
    .footer-links{
      display:flex; flex-direction:column; gap:10px;
      margin-top:10px;
    }
    .footer-links a{
      display:inline-flex; align-items:center; justify-content:space-between; gap:12px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.72);
      padding:10px 12px;
      border-radius:16px;
      font-weight:850;
      font-size:13px;
      transition: transform .15s ease, border-color .15s ease;
    }
    .footer-links a:hover{transform: translateY(-2px); border-color: rgba(124,92,255,.22);}
    .tiny{
      margin-top:14px;
      display:flex; flex-wrap:wrap; gap:12px; align-items:center; justify-content:space-between;
      color:var(--muted);
      font-size:12px; font-weight:680;
    }

    .float-chat{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      border-radius:18px;
      border:1px solid rgba(20,24,31,.12);
      background:rgba(255,255,255,.85);
      box-shadow: 0 18px 55px rgba(10,18,38,.16);
      padding:11px 12px;
      display:flex; gap:10px; align-items:center;
      cursor:pointer;
      transition: transform .15s ease;
      max-width:250px;
    }
    .float-btn:hover{transform: translateY(-2px);}
    .float-btn .bubble{
      width:38px; height:38px;
      border-radius:16px;
      background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(24,214,255,.12));
      border:1px solid rgba(124,92,255,.18);
      display:flex; align-items:center; justify-content:center;
    }
    .float-btn .txt strong{display:block; font-size:13px; letter-spacing:-.2px;}
    .float-btn .txt span{display:block; font-size:12px; color:var(--muted); margin-top:4px; font-weight:650; line-height:1.2;}
    .qr-pop{
      width:240px;
      border-radius:20px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.92);
      box-shadow: 0 28px 90px rgba(10,18,38,.20);
      padding:12px;
      display:none;
      transform-origin: right bottom;
      animation: popIn .18s ease both;
    }
    @keyframes popIn{
      from{opacity:0; transform: translateY(8px) scale(.98);}
      to{opacity:1; transform: translateY(0) scale(1);}
    }
    .qr-pop.show{display:block;}
    .qr-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .qr-top strong{font-size:13px;}
    .qr-close{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(20,24,31,.10);
      background:rgba(255,255,255,.85);
      cursor:pointer;
    }
    .qr-body{
      display:flex; flex-direction:column; gap:10px; align-items:center;
    }
    .qr-body img{
      width:168px;
      height:auto;
      border-radius:16px;
      border:1px solid rgba(20,24,31,.10);
      background:#fff;
    }
    .qr-body span{
      color:var(--muted);
      font-size:12px; font-weight:680; line-height:1.5; text-align:center;
    }

    .to-top{
      position:fixed;
      left:14px;
      bottom:14px;
      z-index:80;
      display:none;
    }
    .to-top button{
      border-radius:18px;
      border:1px solid rgba(20,24,31,.12);
      background:rgba(255,255,255,.88);
      box-shadow: 0 18px 55px rgba(10,18,38,.16);
      padding:10px 12px;
      cursor:pointer;
      font-weight:900;
      color:#0f172a;
      transition: transform .15s ease;
      display:flex; align-items:center; gap:8px;
    }
    .to-top button:hover{transform: translateY(-2px);}

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .nav-cta{min-width:auto;}
      nav .nav-links{display:none;}
      .mobile-toggle{display:inline-flex; align-items:center; justify-content:center;}
      .mobile-panel{display:block;}
      .grid-3{grid-template-columns: 1fr;}
      .grid-2{grid-template-columns: 1fr;}
      .case-grid{grid-template-columns: 1fr;}
      .comments{grid-template-columns: 1fr;}
      .pricing{grid-template-columns: 1fr;}
      .network{grid-template-columns: 1fr;}
      .list-grid{grid-template-columns: 1fr;}
      .form{grid-template-columns: 1fr;}
      .footer-grid{grid-template-columns: 1fr;}
      .meta-item{min-width:unset; flex:1 1 220px;}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto;}
      .hero-left::after, .case-media::after{animation:none;}
      .reveal{transition:none;}
      .btn, .card, .stat, .article-item, .comment-card, .point{transition:none;}
    }