:root{
      --bg0:#fbfaf7;
      --bg1:#ffffff;
      --text:#1b1f2a;
      --muted:#5b6375;
      --subtle:#7b8499;
      --line:rgba(27,31,42,.12);
      --shadow: 0 18px 45px rgba(20,26,40,.10);
      --shadow2: 0 10px 28px rgba(20,26,40,.10);
      --radius:18px;
      --radius2:26px;
      --brand1:#6b4eff;
      --brand2:#00b7ff;
      --brand3:#19c37d;
      --brand4:#ff6bd6;
      --brand5:#ff9b2f;
      --focus: rgba(107,78,255,.22);
      --container: 1140px;
      --pad: 18px;
    }
    *{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", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 450px at 15% -5%, rgba(107,78,255,.18), transparent 55%),
        radial-gradient(740px 360px at 85% 0%, rgba(0,183,255,.14), transparent 55%),
        radial-gradient(640px 330px at 70% 55%, rgba(255,107,214,.10), transparent 60%),
        linear-gradient(180deg, var(--bg0), #f7f6f1 55%, #ffffff 100%);
    }
    a{color:inherit}
    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 var(--pad);
    }

    .skip{
      position:absolute; left:-999px; 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:12px; z-index:9999;
      box-shadow: var(--shadow2);
    }

    header{
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(251,250,247,.72);
      border-bottom: 1px solid rgba(27,31,42,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 14px;
      padding: 14px 0;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width: 220px;
    }
    .ai-page-logo{
      width: 40px;
      height: 40px;
      object-fit: contain;
      border-radius: 12px;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(27,31,42,.10);
      box-shadow: 0 10px 28px rgba(31,40,65,.10);
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title strong{
      font-size: 14px;
      letter-spacing: .2px;
    }
    .brand-title span{
      font-size: 12px;
      color: var(--muted);
    }

    .nav-right{
      display:flex; align-items:center; gap: 10px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
    .nav-links a{
      text-decoration:none;
      font-size: 13px;
      color: rgba(27,31,42,.86);
      padding: 8px 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(107,78,255,.08);
      border-color: rgba(107,78,255,.18);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      appearance:none;
      border: 1px solid rgba(27,31,42,.14);
      background: rgba(255,255,255,.75);
      color: rgba(27,31,42,.92);
      border-radius: 14px;
      padding: 10px 12px;
      font-weight: 650;
      font-size: 13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      text-decoration:none;
      display:inline-flex; align-items:center; gap: 8px;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 30px rgba(22,28,44,.10);
      border-color: rgba(107,78,255,.30);
      background: rgba(255,255,255,.92);
    }
    .btn:focus{outline:none; box-shadow: 0 0 0 4px var(--focus), 0 14px 30px rgba(22,28,44,.10);}
    .btn-primary{
      border-color: rgba(107,78,255,.34);
      background: linear-gradient(135deg, rgba(107,78,255,.94), rgba(0,183,255,.78));
      color: #fff;
      box-shadow: 0 18px 40px rgba(107,78,255,.20);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 55px rgba(107,78,255,.26);
      border-color: rgba(255,255,255,.35);
      background: linear-gradient(135deg, rgba(107,78,255,1), rgba(0,183,255,.9));
    }
    .btn-ghost{
      background: rgba(255,255,255,.55);
    }
    .icon-dot{
      width:10px; height:10px; border-radius:999px;
      background: conic-gradient(from 180deg, var(--brand1), var(--brand2), var(--brand3), var(--brand4), var(--brand5), var(--brand1));
      box-shadow: 0 10px 22px rgba(107,78,255,.18);
    }

    .nav-mobile-toggle{
      display:none;
      border-radius: 14px;
      padding: 10px 12px;
      border: 1px solid rgba(27,31,42,.14);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      font-weight: 700;
    }
    .nav-panel{
      display:none;
      padding: 0 0 16px;
    }
    .nav-panel-inner{
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      border-radius: 18px;
      padding: 12px;
      box-shadow: 0 18px 45px rgba(22,28,44,.08);
    }
    .nav-panel a{
      display:block;
      padding: 11px 12px;
      text-decoration:none;
      border-radius: 14px;
      border: 1px solid transparent;
      color: rgba(27,31,42,.90);
      font-weight: 650;
      font-size: 14px;
    }
    .nav-panel a:hover{
      background: rgba(107,78,255,.08);
      border-color: rgba(107,78,255,.18);
    }
    .nav-panel .panel-row{
      display:flex; gap:10px; margin-top: 10px;
    }

    /* Hero */
    .hero{
      padding: 36px 0 26px;
      position: relative;
      overflow: hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-left{
      border-radius: var(--radius2);
      padding: 22px;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(27,31,42,.10);
      background:
        radial-gradient(900px 340px at 0% 0%, rgba(107,78,255,.20), transparent 55%),
        radial-gradient(700px 300px at 95% 20%, rgba(0,183,255,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
      box-shadow: 0 26px 70px rgba(22,28,44,.08);
      min-height: 360px;
    }
    .scribble{
      position:absolute;
      inset: -40px -40px auto -40px;
      height: 240px;
      pointer-events:none;
      opacity: .9;
      filter: saturate(1.05);
    }
    .scribble svg{width:100%; height:100%}
    .hero-eyebrow{
      display:flex; align-items:center; gap:10px;
      color: rgba(27,31,42,.85);
      font-weight: 800;
      letter-spacing: .2px;
      font-size: 13px;
      position: relative;
      z-index: 1;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.75);
      border: 1px dashed rgba(107,78,255,.32);
      box-shadow: 0 16px 40px rgba(107,78,255,.12);
      white-space: nowrap;
    }
    .hero h1{
      margin: 14px 0 10px;
      font-size: clamp(26px, 3.2vw, 40px);
      line-height: 1.1;
      letter-spacing: -0.6px;
      position: relative;
      z-index: 1;
    }
    .hero-lead{
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
      max-width: 62ch;
      position: relative;
      z-index: 1;
    }
    .hero-cta{
      display:flex; gap: 12px; flex-wrap: wrap;
      margin-top: 16px;
      position: relative;
      z-index: 1;
    }
    .hero-meta{
      display:flex; gap: 14px; flex-wrap: wrap;
      margin-top: 16px;
      position: relative;
      z-index: 1;
    }
    .meta-item{
      display:flex; gap: 10px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.65);
      min-width: 180px;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .meta-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(22,28,44,.10);
    }
    .meta-icon{
      width: 34px; height: 34px; border-radius: 14px;
      background: linear-gradient(135deg, rgba(107,78,255,.14), rgba(0,183,255,.12));
      border: 1px solid rgba(107,78,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }
    .meta-icon svg{width:18px; height:18px; opacity:.95}
    .meta-item strong{font-size: 13px; display:block; margin-top: 2px}
    .meta-item span{font-size: 12px; color: var(--subtle); display:block; margin-top: 4px; line-height: 1.35}

    .hero-right{
      display:flex; flex-direction:column; gap: 12px;
    }
    .hero-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.75);
      box-shadow: 0 26px 70px rgba(22,28,44,.06);
      padding: 16px;
      position: relative;
      overflow:hidden;
      flex: 1 1 auto;
      min-height: 180px;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px -2px auto -2px;
      height: 120px;
      background:
        linear-gradient(90deg, rgba(107,78,255,.22), rgba(0,183,255,.18), rgba(25,195,125,.16), rgba(255,107,214,.16));
      opacity: .55;
      filter: blur(12px);
      pointer-events:none;
    }
    .hero-card h2{
      margin: 0;
      font-size: 16px;
      letter-spacing: -.2px;
      position: relative;
      z-index: 1;
    }
    .hero-card p{
      margin: 8px 0 12px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
      position: relative;
      z-index: 1;
    }

    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      position: relative;
      z-index: 1;
    }
    .data-card{
      border-radius: 16px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.7);
      padding: 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 92px;
    }
    .data-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(22,28,44,.10);
      border-color: rgba(107,78,255,.22);
    }
    .data-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 800;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      white-space: nowrap;
    }
    .badge i{
      width: 10px; height: 10px; border-radius: 999px; display:inline-block;
      background: conic-gradient(from 180deg, var(--brand1), var(--brand2), var(--brand3), var(--brand4), var(--brand5), var(--brand1));
    }
    .data-num{
      font-size: 18px;
      font-weight: 900;
      letter-spacing: -0.4px;
      margin-top: 10px;
    }
    .data-desc{
      color: var(--subtle);
      font-size: 12px;
      line-height: 1.45;
      margin-top: 5px;
    }

    /* Sections */
    main{padding-bottom: 20px}
    section{
      padding: 26px 0;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap: 16px;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing: -0.4px;
    }
    .section-head p{
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
      max-width: 60ch;
    }
    .section-card{
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      border-radius: var(--radius2);
      box-shadow: 0 26px 70px rgba(22,28,44,.06);
      padding: 18px;
      overflow: hidden;
      position: relative;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .service-card{
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(27,31,42,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.68));
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-height: 156px;
    }
    .service-card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 45px rgba(22,28,44,.12);
      border-color: rgba(107,78,255,.22);
    }
    .service-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 10px;
    }
    .service-icon{
      width: 42px; height: 42px;
      border-radius: 18px;
      border: 1px solid rgba(107,78,255,.20);
      background:
        radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,.2)),
        linear-gradient(135deg, rgba(107,78,255,.16), rgba(0,183,255,.12), rgba(25,195,125,.10));
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }
    .service-icon svg{width:20px; height:20px}
    .service-tag{
      font-size: 12px;
      font-weight: 850;
      color: rgba(27,31,42,.86);
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.7);
      white-space: nowrap;
    }
    .service-card h3{
      margin: 12px 0 6px;
      font-size: 15px;
      letter-spacing: -.2px;
    }
    .service-card p{
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
    }

    .about-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }
    .about-bullets{
      margin: 10px 0 0;
      padding: 0;
      list-style: none;
      display:grid;
      gap: 10px;
    }
    .about-bullets li{
      display:flex; gap: 10px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.66);
    }
    .tick{
      width: 20px; height: 20px; border-radius: 8px;
      background: linear-gradient(135deg, rgba(107,78,255,.18), rgba(0,183,255,.14));
      border: 1px solid rgba(107,78,255,.22);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      margin-top: 2px;
    }
    .tick svg{width:12px; height:12px}
    .about-bullets strong{display:block; font-size: 13px}
    .about-bullets span{display:block; margin-top: 4px; color: var(--muted); font-size: 12.5px; line-height: 1.5}

    .model-cloud{
      display:flex; flex-wrap: wrap; gap: 10px;
      margin-top: 12px;
      padding: 0;
      list-style: none;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding: 9px 11px;
      border-radius: 999px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.7);
      font-size: 12.5px;
      color: rgba(27,31,42,.88);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      user-select:none;
      white-space: nowrap;
    }
    .chip:hover{
      transform: translateY(-2px);
      border-color: rgba(0,183,255,.24);
      background: rgba(255,255,255,.92);
    }
    .chip i{
      width: 10px; height: 10px; border-radius: 999px; display:inline-block;
      background: linear-gradient(135deg, var(--brand2), var(--brand1));
      box-shadow: 0 10px 22px rgba(0,183,255,.16);
      flex: 0 0 auto;
    }

    /* Timeline */
    .timeline{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr 1fr;
      gap: 12px;
      align-items: stretch;
    }
    .step{
      border-radius: 18px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 14px;
      position: relative;
      overflow:hidden;
    }
    .step::after{
      content:"";
      position:absolute;
      right:-20px; top:-20px;
      width: 70px; height: 70px;
      border-radius: 20px;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0) 55%),
                  linear-gradient(135deg, rgba(107,78,255,.22), rgba(0,183,255,.16), rgba(255,107,214,.14));
      transform: rotate(18deg);
      opacity: .75;
      pointer-events:none;
    }
    .step-num{
      width: 34px; height: 34px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      color: rgba(27,31,42,.92);
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(27,31,42,.10);
      position: relative;
      z-index: 1;
    }
    .step h3{margin: 10px 0 6px; font-size: 14.5px; position: relative; z-index: 1}
    .step p{margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; position: relative; z-index: 1}

    /* Compare */
    .compare-wrap{
      overflow:hidden;
    }
    .compare-table{
      width: 100%;
      border-collapse: collapse;
      min-width: 760px;
    }
    .table-wrap{
      overflow:auto;
      border-radius: 18px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.68);
    }
    .compare-table th, .compare-table td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(27,31,42,.10);
      vertical-align: top;
      text-align: left;
      font-size: 13px;
    }
    .compare-table th{
      position: sticky;
      top: 0;
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.72));
      z-index: 2;
      color: rgba(27,31,42,.92);
      font-weight: 900;
      letter-spacing: -.2px;
    }
    .compare-table tr:last-child td{border-bottom:none}
    .muted{color: var(--muted)}
    .check{
      display:inline-flex; align-items:center; gap:8px; font-weight: 850;
    }
    .check i{
      width: 18px; height: 18px; border-radius: 8px;
      background: linear-gradient(135deg, rgba(25,195,125,.16), rgba(0,183,255,.12));
      border: 1px solid rgba(25,195,125,.22);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .check i svg{width:12px; height:12px}
    .cross{
      display:inline-flex; align-items:center; gap:8px; font-weight: 850; color: rgba(27,31,42,.80);
    }
    .cross i{
      width: 18px; height: 18px; border-radius: 8px;
      background: rgba(255,107,214,.10);
      border: 1px solid rgba(255,107,214,.18);
      display:inline-flex; align-items:center; justify-content:center;
    }
    .cross i svg{width:12px; height:12px}

    .rating-row{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 12px;
      align-items: start;
    }
    .rating-card{
      border-radius: 22px;
      border: 1px solid rgba(27,31,42,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.68));
      padding: 16px;
      position: relative;
      overflow:hidden;
    }
    .rating-card::before{
      content:"";
      position:absolute;
      inset:-70px -70px auto -70px;
      height: 160px;
      background: radial-gradient(circle at 30% 30%, rgba(107,78,255,.28), transparent 60%),
                  radial-gradient(circle at 70% 40%, rgba(0,183,255,.22), transparent 60%),
                  radial-gradient(circle at 55% 70%, rgba(255,107,214,.14), transparent 60%);
      filter: blur(6px);
      pointer-events:none;
    }
    .rating-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      position: relative;
      z-index: 1;
    }
    .stars{
      display:flex; gap: 6px; align-items:center;
    }
    .star{
      width: 20px; height: 20px;
      color: #ffb200;
      filter: drop-shadow(0 10px 18px rgba(255,178,0,.20));
    }
    .rating-grade{
      font-size: 28px;
      font-weight: 950;
      letter-spacing: -0.8px;
      margin-top: 8px;
      position: relative;
      z-index: 1;
    }
    .rating-label{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
      position: relative;
      z-index: 1;
      margin-top: 8px;
    }

    /* Network */
    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: stretch;
    }
    .network-map{
      border-radius: 22px;
      border: 1px solid rgba(27,31,42,.10);
      background:
        radial-gradient(800px 420px at 10% 10%, rgba(107,78,255,.16), transparent 55%),
        radial-gradient(700px 360px at 80% 30%, rgba(0,183,255,.14), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.66));
      padding: 16px;
      position: relative;
      overflow:hidden;
      min-height: 240px;
    }
    .network-map .map-grid{
      position: relative;
      z-index: 1;
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin-top: 10px;
    }
    .dot-city{
      border-radius: 16px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 12px 12px;
      transition: transform .18s ease, box-shadow .18s ease;
      min-height: 90px;
    }
    .dot-city:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(22,28,44,.10);
    }
    .dot-city .city-top{
      display:flex; align-items:center; justify-content:space-between;
      gap: 8px;
    }
    .city-dot{
      width: 12px; height: 12px; border-radius: 999px;
      background: conic-gradient(from 180deg, var(--brand1), var(--brand2), var(--brand3), var(--brand4), var(--brand5), var(--brand1));
      box-shadow: 0 12px 26px rgba(107,78,255,.18);
    }
    .dot-city strong{
      display:block;
      margin-top: 10px;
      font-size: 13.5px;
    }
    .dot-city span{
      display:block;
      margin-top: 4px;
      font-size: 12.5px;
      color: var(--muted);
      line-height: 1.45;
    }

    /* Portfolio */
    .portfolio-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items: stretch;
    }
    .case-large{
      border-radius: var(--radius2);
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 16px;
      overflow:hidden;
      position: relative;
      min-height: 340px;
      display:flex; flex-direction:column; gap: 12px;
    }
    .case-media{
      border-radius: 20px;
      border: 1px solid rgba(27,31,42,.10);
      background:
        linear-gradient(135deg, rgba(107,78,255,.12), rgba(0,183,255,.10), rgba(255,107,214,.09)),
        rgba(255,255,255,.6);
      padding: 12px;
    }
    .case-media .media-row{
      display:flex; gap: 10px; align-items: stretch; flex-wrap: wrap;
    }
    .thumb{
      flex: 1 1 220px;
      border-radius: 18px;
      overflow:hidden;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      min-width: 220px;
    }
    .thumb img{
      width: 100%;
      height: auto;
      display:block;
      object-fit: contain;
    }
    .case-title{
      font-size: 16px;
      margin: 0;
      letter-spacing: -.2px;
      font-weight: 950;
    }
    .case-desc{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.7;
      max-width: 70ch;
    }
    .case-tags{
      display:flex; flex-wrap: wrap; gap: 10px;
      margin-top: 2px;
    }
    .tag{
      font-size: 12.5px;
      font-weight: 850;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.7);
    }
    .case-right{
      border-radius: var(--radius2);
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 16px;
      display:flex; flex-direction:column; gap: 12px;
      min-height: 340px;
    }
    .mini-list{
      display:grid; gap: 10px;
    }
    .mini-item{
      padding: 12px;
      border-radius: 18px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.68);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .mini-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 45px rgba(22,28,44,.10);
    }
    .mini-item strong{display:block; font-size: 13.5px}
    .mini-item span{display:block; margin-top: 4px; color: var(--muted); font-size: 12.5px; line-height: 1.5}

    /* Articles & form */
    .article-list{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .article-card{
      border-radius: 18px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 14px;
      transition: transform .18s ease, box-shadow .18s ease;
      min-height: 150px;
      display:flex; flex-direction:column; gap: 10px;
    }
    .article-card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 45px rgba(22,28,44,.12);
    }
    .article-top{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
    }
    .article-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      font-weight: 900;
      font-size: 12px;
      color: rgba(27,31,42,.86);
      white-space: nowrap;
    }
    .article-pill i{
      width: 10px; height: 10px; border-radius: 999px;
      background: linear-gradient(135deg, var(--brand4), var(--brand1));
    }
    .article-card h3{
      margin: 0;
      font-size: 14.5px;
      letter-spacing: -.2px;
      line-height: 1.35;
    }
    .article-card p{
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
      flex: 1 1 auto;
    }
    .article-card a{
      text-decoration:none;
      font-weight: 900;
      font-size: 13px;
      color: rgba(27,31,42,.92);
      display:flex; align-items:center; gap: 8px;
      padding: 8px 10px;
      border-radius: 14px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.75);
      transition: transform .18s ease, border-color .18s ease;
    }
    .article-card a:hover{
      transform: translateY(-2px);
      border-color: rgba(0,183,255,.25);
    }
    .arrow{
      width: 18px; height: 18px; border-radius: 8px;
      background: linear-gradient(135deg, rgba(0,183,255,.18), rgba(107,78,255,.12));
      border: 1px solid rgba(0,183,255,.20);
      display:flex; align-items:center; justify-content:center;
    }
    .arrow svg{width:12px; height:12px}

    .form-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .form-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 16px;
      box-shadow: 0 26px 70px rgba(22,28,44,.06);
    }
    .form-card h3{
      margin: 0 0 8px;
      font-size: 16px;
      letter-spacing: -.2px;
    }
    .form-card p{
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.65;
    }
    form{
      display:grid;
      gap: 10px;
    }
    label{
      font-size: 12.5px;
      color: rgba(27,31,42,.86);
      font-weight: 850;
      display:block;
      margin-bottom: 6px;
    }
    .field{
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(27,31,42,.12);
      border-radius: 16px;
      padding: 12px 12px;
      width: 100%;
      font-size: 14px;
      color: rgba(27,31,42,.94);
      outline: none;
      transition: box-shadow .15s ease, border-color .15s ease;
    }
    .field:focus{
      border-color: rgba(107,78,255,.38);
      box-shadow: 0 0 0 4px var(--focus);
    }
    textarea.field{min-height: 120px; resize: vertical}
    .form-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap: 12px; flex-wrap: wrap;
      margin-top: 2px;
    }
    .form-note{
      color: var(--subtle);
      font-size: 12.5px;
      line-height: 1.5;
      margin: 0;
      max-width: 44ch;
    }

    /* FAQ */
    .faq-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }
    details.faq{
      border-radius: 18px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 12px 12px;
      box-shadow: 0 18px 45px rgba(22,28,44,.04);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    details.faq[open]{
      border-color: rgba(107,78,255,.28);
      box-shadow: 0 18px 45px rgba(22,28,44,.10);
      transform: translateY(-2px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; gap: 10px;
      font-weight: 950;
      font-size: 14px;
      letter-spacing: -.2px;
    }
    summary::-webkit-details-marker{display:none}
    .sum-icon{
      width: 28px; height: 28px; border-radius: 14px;
      border: 1px solid rgba(27,31,42,.10);
      background: linear-gradient(135deg, rgba(255,107,214,.12), rgba(0,183,255,.10));
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      margin-top: 1px;
    }
    .sum-icon svg{width:16px; height:16px}
    .faq p{
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.7;
    }

    /* Reviews */
    .reviews-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .review-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 16px;
      position: relative;
      overflow:hidden;
      min-height: 210px;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .review-card:hover{
      transform: translateY(-3px);
      box-shadow: 0 22px 55px rgba(22,28,44,.12);
    }
    .review-card::before{
      content:"";
      position:absolute;
      inset:-80px auto auto -80px;
      width: 160px; height: 160px;
      background: radial-gradient(circle at 30% 30%, rgba(107,78,255,.25), transparent 60%),
                  radial-gradient(circle at 70% 40%, rgba(0,183,255,.18), transparent 60%),
                  radial-gradient(circle at 55% 70%, rgba(255,107,214,.12), transparent 60%);
      filter: blur(8px);
      opacity: .75;
      pointer-events:none;
    }
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      position: relative;
      z-index: 1;
    }
    .avatar{
      width: 44px; height: 44px;
      border-radius: 18px;
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.78);
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      letter-spacing: -.6px;
    }
    .review-stars{
      display:flex; gap: 5px; align-items:center;
      color: #ffb200;
      position: relative;
      z-index: 1;
    }
    .review-card h3{
      margin: 12px 0 6px;
      font-size: 14.5px;
      letter-spacing: -.2px;
      position: relative;
      z-index: 1;
    }
    .review-card p{
      margin: 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.75;
      position: relative;
      z-index: 1;
    }

    /* Labels cloud & pricing */
    .tag-cloud{
      display:flex; flex-wrap: wrap; gap: 10px;
    }
    .price-row{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 12px;
      align-items: start;
    }
    .price-box{
      border-radius: var(--radius2);
      border: 1px solid rgba(27,31,42,.10);
      background: rgba(255,255,255,.72);
      padding: 16px;
      box-shadow: 0 26px 70px rgba(22,28,44,.06);
      position: relative;
      overflow:hidden;
    }
    .price-box::before{
      content:"";
      position:absolute;
      inset: -140px -120px auto auto;
      width: 240px; height: 240px;
      border-radius: 90px;
      background: conic-gradient(from 180deg, rgba(107,78,255,.18), rgba(0,183,255,.16), rgba(25,195,125,.13), rgba(255,107,214,.14), rgba(255,155,47,.14), rgba(107,78,255,.18));
      filter: blur(10px);
      opacity: .55;
      pointer-events:none;
    }
    .price-box h3{
      margin: 0;
      font-size: 16px;
      letter-spacing: -.2px;
      position: relative;
      z-index: 1;
    }
    .price-box p{
      margin: 8px 0 12px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.7;
      position: relative;
      z-index: 1;
    }
    .price-table{
      width: 100%;
      border-collapse: collapse;
      position: relative;
      z-index: 1;
    }
    .price-table th, .price-table td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(27,31,42,.10);
      text-align: left;
      font-size: 13px;
      vertical-align: top;
    }
    .price-table th{
      background: rgba(255,255,255,.78);
      font-weight: 950;
      letter-spacing: -.2px;
    }
    .price-table tr:last-child td{border-bottom:none}
    .hint{
      margin-top: 12px;
      color: var(--subtle);
      font-size: 12.5px;
      line-height: 1.6;
      position: relative;
      z-index: 1;
    }

    /* Footer */
    footer{
      background: #0f172a;
      color: rgba(255,255,255,.92);
      border-top: 1px solid rgba(255,255,255,.10);
      margin-top: 10px;
      padding: 18px 0 10px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items: start;
    }
    .footer-left{
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      padding: 16px;
    }
    .footer-left h3{
      margin:0;
      font-size: 15px;
      letter-spacing: -.2px;
    }
    .footer-left p{
      margin: 10px 0 0;
      color: rgba(255,255,255,.78);
      font-size: 13px;
      line-height: 1.75;
    }
    .footer-right{
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      padding: 16px;
    }
    .footer-right h3{
      margin:0;
      font-size: 15px;
      letter-spacing: -.2px;
    }
    .footer-links{
      display:flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 12px;
    }
    .footer-links a{
      text-decoration:none;
      color: rgba(255,255,255,.88);
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(255,255,255,.06);
      padding: 9px 10px;
      border-radius: 999px;
      font-size: 12.5px;
      font-weight: 850;
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
      white-space: nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(0,183,255,.35);
      background: rgba(0,183,255,.10);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap: 12px;
      align-items:center;
      padding: 14px 0 0;
      color: rgba(255,255,255,.72);
      font-size: 12.5px;
      flex-wrap: wrap;
    }
    .small-addr{
      display:flex; align-items:center; gap: 10px; flex-wrap: wrap;
    }
    .small-addr span{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
    }

    /* Floating */
    .float-actions{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 60;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .float-btn{
      width: 52px; height: 52px;
      border-radius: 18px;
      border: 1px solid rgba(27,31,42,.14);
      background: rgba(255,255,255,.86);
      box-shadow: 0 22px 55px rgba(22,28,44,.18);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position: relative;
    }
    .float-btn:hover{
      transform: translateY(-3px);
      border-color: rgba(107,78,255,.30);
      box-shadow: 0 30px 80px rgba(22,28,44,.22);
    }
    .float-btn svg{width:22px; height:22px}
    .float-pop{
      position:absolute;
      right: 62px;
      bottom: 0;
      width: 220px;
      background: rgba(255,255,255,.96);
      border: 1px solid rgba(27,31,42,.12);
      border-radius: 18px;
      box-shadow: 0 26px 70px rgba(22,28,44,.16);
      padding: 12px;
      display:none;
    }
    .float-pop.open{display:block}
    .float-pop .pop-top{
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      margin-bottom: 10px;
    }
    .float-pop strong{font-size: 13.5px}
    .pop-close{
      border: 1px solid rgba(27,31,42,.12);
      background: rgba(255,255,255,.85);
      border-radius: 12px;
      padding: 6px 10px;
      cursor:pointer;
      font-weight: 900;
      color: rgba(27,31,42,.86);
    }
    .qr-wrap{
      border-radius: 16px;
      border: 1px dashed rgba(107,78,255,.28);
      background: rgba(107,78,255,.06);
      padding: 10px;
    }
    .qr-wrap img{
      width: 100%;
      height: auto;
      display:block;
      border-radius: 12px;
      object-fit: contain;
    }
    .pop-hint{
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.55;
    }

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .hero-left{min-height: auto}
      .grid-3{grid-template-columns: 1fr 1fr}
      .about-wrap{grid-template-columns: 1fr}
      .timeline{grid-template-columns: 1fr 1fr}
      .rating-row{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .portfolio-grid{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr 1fr}
      .form-wrap{grid-template-columns: 1fr}
      .faq-wrap{grid-template-columns: 1fr}
      .reviews-grid{grid-template-columns: 1fr}
      .price-row{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .nav-links{display:none}
      .nav-cta{display:none}
      .nav-mobile-toggle{display:inline-flex; align-items:center; gap: 8px;}
      .nav-panel{display:block}
      .nav-panel{padding: 0 0 12px; }
    }
    @media (max-width: 560px){
      .grid-3{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr 1fr}
      .timeline{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      .hero-left{padding: 16px}
      .hero-card{padding: 14px}
      .data-grid{grid-template-columns: 1fr}
      .form-row{grid-template-columns: 1fr}
      .float-actions{right: 10px; bottom: 10px}
      .float-pop{right: 56px; width: 200px}
      .brand{min-width: auto}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .reveal.in{transform:none}
      .btn, .service-card, .data-card, .mini-item, .article-card, .review-card, .dot-city, .chip, .float-btn{transition:none}
    }