:root{
      --bg: #ffffff;
      --surface: rgba(255,255,255,.72);
      --surface2: rgba(248,250,255,.92);
      --text: #1f2937;
      --muted: #5b6473;
      --subtle: #7b8697;
      --line: rgba(17,24,39,.10);
      --shadow: 0 14px 40px rgba(15,23,42,.10);
      --shadow2: 0 10px 22px rgba(15,23,42,.10);
      --radius-xl: 22px;
      --radius-lg: 16px;
      --radius-md: 12px;

      --brand1:#2563eb;
      --brand2:#7c3aed;
      --brand3:#06b6d4;
      --brand4:#22c55e;
      --brand5:#f97316;

      --accent: #4f46e5;
      --accent2:#06b6d4;

      --btn:#0f172a;
      --btnText:#ffffff;
      --btnGhostBg: rgba(15,23,42,.06);

      --ok:#16a34a;
      --warn:#f59e0b;
      --info:#0ea5e9;

      --container: 1120px;
      --gutter: 20px;

      --focus: 0 0 0 4px rgba(79,70,229,.18);
    }

    *{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 SC", "Apple Color Emoji","Segoe UI Emoji";
      color:var(--text);
      background:
        radial-gradient(1000px 620px at 15% -10%, rgba(99,102,241,.18), transparent 55%),
        radial-gradient(820px 540px at 85% 5%, rgba(6,182,212,.18), transparent 60%),
        radial-gradient(720px 520px at 50% 110%, rgba(124,58,237,.12), transparent 60%),
        linear-gradient(#fff, #fff);
    }

    a{color:inherit; text-decoration:none}
    a:hover{opacity:.95}
    button, input, select, textarea{font:inherit}
    .container{
      width: min(var(--container), calc(100% - var(--gutter)*2));
      margin: 0 auto;
    }

    .skip-link{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left: 18px; top: 14px; width:auto; height:auto; z-index:9999;
      background:#fff; border:1px solid var(--line);
      padding:10px 12px; border-radius:12px;
      box-shadow: var(--shadow2);
    }

    /* Rainbow candy accents */
    .rainbow-line{
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--brand1), var(--brand2), var(--brand3), var(--brand4), var(--brand5));
      filter: saturate(1.15);
    }

    .topbar{
      position: sticky;
      top:0;
      z-index: 50;
      background: rgba(255,255,255,.62);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(15,23,42,.06);
    }
    .topbar-inner{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 0;
      gap: 14px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 190px;
    }
    .ai-page-logo{
      width: 32px; height: 32px; object-fit: contain; border-radius: 10px;
      box-shadow: 0 8px 20px rgba(79,70,229,.14);
      background: rgba(255,255,255,.8);
    }
    .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);
      margin-top: 3px;
    }

    .nav{
      display:flex; align-items:center; gap: 14px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
    .nav a{
      font-size: 13px;
      color: rgba(17,24,39,.86);
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: background .18s ease, border-color .18s ease, transform .18s ease;
    }
    .nav a:hover{
      background: rgba(79,70,229,.06);
      border-color: rgba(79,70,229,.18);
      transform: translateY(-1px);
    }

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

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding: 11px 14px;
      border-radius: 14px;
      border:1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      color: rgba(15,23,42,.96);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 10px 24px rgba(15,23,42,.10);
      background: rgba(255,255,255,.92);
      border-color: rgba(79,70,229,.18);
    }
    .btn:focus{outline:none; box-shadow: var(--focus), 0 10px 24px rgba(15,23,42,.10)}
    .btn-primary{
      background: linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,1));
      border-color: rgba(79,70,229,.25);
      color:#fff;
      box-shadow: 0 14px 30px rgba(79,70,229,.22);
    }
    .btn-primary:hover{
      background: linear-gradient(135deg, rgba(79,70,229,1), rgba(34,197,94,1));
      box-shadow: 0 16px 40px rgba(79,70,229,.26);
      border-color: rgba(79,70,229,.35);
    }
    .btn-ghost{
      background: rgba(15,23,42,.05);
      border-color: rgba(15,23,42,.10);
      color: rgba(15,23,42,.95);
    }

    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      align-items:center; justify-content:center;
      gap: 4px;
      cursor:pointer;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .hamburger:hover{transform: translateY(-1px); box-shadow: 0 10px 24px rgba(15,23,42,.10)}
    .hamburger:focus{outline:none; box-shadow: var(--focus)}
    .hamburger .bar{
      width: 18px; height: 2px; background: rgba(15,23,42,.78); border-radius: 2px;
      display:block;
    }

    .mobile-panel{
      display:none;
      border-top: 1px solid rgba(15,23,42,.06);
      padding: 12px 0 16px;
    }
    .mobile-links{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .mobile-links a{
      padding: 10px 12px;
      border:1px solid rgba(15,23,42,.10);
      border-radius: 14px;
      background: rgba(255,255,255,.75);
      font-size: 13px;
      color: rgba(15,23,42,.92);
    }
    .mobile-links a:active{transform: translateY(1px)}
    .mobile-actions{
      margin-top: 12px;
      display:flex; gap:10px; flex-wrap:wrap;
    }

    /* Hero */
    .hero{
      padding: 26px 0 18px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items: start;
    }
    .hero-card{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(800px 280px at 20% 0%, rgba(99,102,241,.20), transparent 55%),
        radial-gradient(650px 260px at 90% 20%, rgba(6,182,212,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(248,250,255,.70));
      box-shadow: 0 20px 60px rgba(15,23,42,.10);
      overflow:hidden;
      position: relative;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(500px 160px at 20% 10%, rgba(124,58,237,.18), transparent 60%),
        radial-gradient(460px 140px at 80% 20%, rgba(6,182,212,.16), transparent 62%),
        linear-gradient(90deg, rgba(79,70,229,.08), rgba(6,182,212,.06));
      pointer-events:none;
      opacity:.9;
    }
    .hero-inner{
      position:relative;
      padding: 22px 20px 18px;
      display:flex;
      flex-direction:column;
      gap: 14px;
    }
    .hero-kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(79,70,229,.18);
      background: rgba(255,255,255,.76);
      color: rgba(15,23,42,.9);
      font-size: 12px;
    }
    .dot{
      width: 10px; height: 10px; border-radius: 999px;
      background: linear-gradient(135deg, var(--brand1), var(--brand3));
      box-shadow: 0 8px 18px rgba(79,70,229,.24);
    }
    h1{
      margin:0;
      font-size: clamp(24px, 3.2vw, 40px);
      letter-spacing: -0.6px;
      line-height: 1.15;
    }
    .lead{
      margin:0;
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.8;
      max-width: 68ch;
    }
    .hero-actions{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top: 4px;
    }
    .hero-meta{
      display:flex; gap: 12px; flex-wrap:wrap;
      margin-top: 2px;
    }
    .meta-item{
      flex: 1 1 auto;
      min-width: 190px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.65);
      border-radius: 18px;
      padding: 12px 12px;
      display:flex; gap: 10px; align-items:flex-start;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .meta-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(15,23,42,.12);
      border-color: rgba(79,70,229,.20);
    }
    .meta-icon{
      width: 34px; height: 34px;
      border-radius: 14px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(79,70,229,.14), rgba(6,182,212,.14));
      border: 1px solid rgba(79,70,229,.18);
      color: rgba(31,41,55,.95);
      flex: 0 0 auto;
    }
    .meta-item strong{
      display:block;
      font-size: 13.5px;
      margin-top: 1px;
    }
    .meta-item span{
      display:block;
      margin-top: 4px;
      font-size: 12.5px;
      color: var(--muted);
      line-height: 1.35;
    }

    .hero-side{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(15,23,42,.10);
      background: linear-gradient(180deg, rgba(248,250,255,.88), rgba(255,255,255,.72));
      box-shadow: 0 16px 44px rgba(15,23,42,.08);
      padding: 18px 16px;
      position: relative;
      overflow:hidden;
    }
    .hero-side::after{
      content:"";
      position:absolute; inset:-80px -80px auto auto;
      width: 190px; height: 190px; border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.22), transparent 60%),
                  radial-gradient(circle at 70% 60%, rgba(124,58,237,.16), transparent 62%);
      transform: rotate(20deg);
      pointer-events:none;
    }
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      position: relative;
    }
    .side-title h2{
      margin:0;
      font-size: 14px;
      letter-spacing: .2px;
      color: rgba(15,23,42,.92);
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(15,23,42,.05);
      border: 1px solid rgba(15,23,42,.10);
      font-size: 12px;
      color: rgba(15,23,42,.86);
      position: relative;
    }
    .chip b{font-weight: 700}
    .side-list{
      margin-top: 12px;
      position: relative;
      display:grid; gap: 10px;
    }
    .side-row{
      display:flex; align-items:flex-start; gap: 10px;
      padding: 12px 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.66);
      border: 1px solid rgba(15,23,42,.08);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .side-row:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 30px rgba(15,23,42,.10);
      border-color: rgba(79,70,229,.18);
    }
    .badge{
      width: 28px; height: 28px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(79,70,229,.16), rgba(6,182,212,.14));
      border: 1px solid rgba(79,70,229,.18);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      color: rgba(15,23,42,.92);
      font-weight: 800;
      font-size: 12px;
    }
    .side-row strong{
      display:block;
      font-size: 13px;
    }
    .side-row span{
      display:block;
      margin-top: 4px;
      font-size: 12.5px;
      color: var(--muted);
      line-height: 1.45;
    }

    /* Sections */
    main{padding-bottom: 26px}
    section{padding: 22px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between;
      gap: 14px; margin-bottom: 14px;
    }
    .section-head h2{
      margin: 0;
      font-size: clamp(18px, 2.2vw, 26px);
      letter-spacing: -0.3px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.7;
      max-width: 60ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .card{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 30px rgba(15,23,42,.06);
      padding: 14px 14px;
      overflow:hidden;
      position: relative;
    }
    .card.soft{
      background: linear-gradient(180deg, rgba(248,250,255,.92), rgba(255,255,255,.75));
    }
    .card:hover .card-title-underline{
      transform: translateY(0);
      opacity: 1;
    }
    .card-title{
      font-weight: 800;
      letter-spacing: -.2px;
      margin: 0 0 6px;
      font-size: 14.5px;
      color: rgba(15,23,42,.96);
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .card .card-title-underline{
      position:absolute;
      left: 14px; top: 14px;
      width: 44px; height: 3px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--brand1), var(--brand3));
      transform: translateY(-8px);
      opacity:.85;
      transition: transform .2s ease, opacity .2s ease;
    }

    /* Data cards */
    .metric{
      display:flex; align-items:flex-start; gap: 12px;
      padding: 16px 14px;
    }
    .metric .num{
      font-size: 30px;
      font-weight: 900;
      letter-spacing: -1px;
      line-height:1;
      background: linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,1));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .metric .label{
      font-size: 13px;
      color: var(--muted);
      line-height: 1.6;
      margin-top: 6px;
    }
    .metric .tag{
      display:inline-flex; align-items:center; gap:8px;
      margin-top: 10px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.7);
      font-size: 12px;
      color: rgba(15,23,42,.86);
    }

    /* Steps */
    .steps{
      display:grid; gap: 12px;
    }
    .step{
      display:grid;
      grid-template-columns: 84px 1fr;
      gap: 12px;
      align-items:start;
      padding: 16px 14px;
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(15,23,42,.10);
      border-radius: var(--radius-lg);
      box-shadow: 0 10px 24px rgba(15,23,42,.06);
      position: relative;
      overflow:hidden;
    }
    .step::before{
      content:"";
      position:absolute; inset:auto -120px -140px auto;
      width: 260px; height: 260px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(79,70,229,.12), transparent 60%),
                  radial-gradient(circle at 70% 60%, rgba(6,182,212,.10), transparent 62%);
      pointer-events:none;
    }
    .step .step-no{
      width: 74px; height: 74px;
      border-radius: 22px;
      background: linear-gradient(135deg, rgba(79,70,229,.14), rgba(6,182,212,.14));
      border: 1px solid rgba(79,70,229,.18);
      display:flex; flex-direction:column; align-items:center; justify-content:center;
      position: relative;
    }
    .step .step-no b{
      font-size: 20px;
      line-height:1;
    }
    .step .step-no span{
      font-size: 12px;
      color: rgba(15,23,42,.76);
      margin-top: 6px;
    }
    .step .step-body{
      position: relative;
    }
    .step .step-body h3{
      margin: 2px 0 8px;
      font-size: 15px;
      letter-spacing: -.2px;
    }
    .step .step-body ul{
      list-style: none;
      padding: 0; margin:0;
      display:grid; gap: 8px;
    }
    .li{
      display:flex; gap: 10px; align-items:flex-start;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }
    .check{
      width: 18px; height: 18px;
      border-radius: 6px;
      background: rgba(34,197,94,.14);
      border: 1px solid rgba(34,197,94,.20);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      margin-top: 2px;
      color: rgba(22,163,74,.95);
      font-size: 12px;
      font-weight: 800;
    }

    /* Comparison */
    .table-wrap{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      overflow:hidden;
      box-shadow: 0 10px 30px rgba(15,23,42,.06);
    }
    .table-scroll{
      overflow:auto;
    }
    table{
      width: 100%;
      border-collapse: collapse;
      min-width: 820px;
      font-size: 13.5px;
    }
    thead th{
      background: linear-gradient(90deg, rgba(79,70,229,.12), rgba(6,182,212,.12));
      color: rgba(15,23,42,.96);
      text-align:left;
      padding: 12px 12px;
      border-bottom: 1px solid rgba(15,23,42,.10);
      font-weight: 800;
      white-space: nowrap;
    }
    tbody td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(15,23,42,.08);
      color: rgba(15,23,42,.86);
      vertical-align: top;
    }
    tbody tr:hover td{
      background: rgba(79,70,229,.04);
    }
    .score{
      display:flex; align-items:center; gap: 10px;
      font-weight: 900;
      letter-spacing: -.2px;
    }
    .stars{
      color: rgba(245,158,11,.95);
      font-size: 14px;
      letter-spacing: 1px;
    }

    /* FAQ */
    .faq-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .faq-card{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 24px rgba(15,23,42,.05);
      padding: 10px;
      overflow:hidden;
    }
    details.faq{
      border-radius: 14px;
      border:1px solid rgba(15,23,42,.08);
      background: rgba(255,255,255,.70);
      padding: 10px 10px;
      margin: 10px 0;
      transition: box-shadow .18s ease, border-color .18s ease, transform .18s ease;
    }
    details.faq[open]{
      border-color: rgba(79,70,229,.22);
      box-shadow: 0 18px 40px rgba(79,70,229,.14);
      transform: translateY(-2px);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      display:flex; align-items:flex-start; justify-content:space-between;
      gap: 12px;
      padding: 2px 2px;
      outline:none;
    }
    details.faq summary::-webkit-details-marker{display:none}
    .q{
      font-weight: 800;
      font-size: 13.8px;
      letter-spacing: -.2px;
      color: rgba(15,23,42,.96);
      line-height: 1.45;
    }
    .chev{
      width: 30px; height: 30px;
      border-radius: 12px;
      background: rgba(15,23,42,.05);
      border: 1px solid rgba(15,23,42,.10);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      transition: transform .2s ease;
      margin-top: -2px;
      color: rgba(15,23,42,.86);
    }
    details.faq[open] .chev{transform: rotate(180deg)}
    .answer{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
      padding: 8px 2px 4px;
    }

    /* Comments */
    .comment-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .review{
      padding: 14px 14px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(15,23,42,.10);
      background:
        radial-gradient(500px 120px at 20% 0%, rgba(79,70,229,.10), transparent 60%),
        radial-gradient(420px 120px at 90% 30%, rgba(6,182,212,.10), transparent 62%),
        rgba(255,255,255,.72);
      box-shadow: 0 10px 24px rgba(15,23,42,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .review:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 44px rgba(15,23,42,.10);
      border-color: rgba(79,70,229,.18);
    }
    .avatar{
      width: 42px; height: 42px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: linear-gradient(135deg, rgba(79,70,229,.16), rgba(6,182,212,.14));
      display:flex; align-items:center; justify-content:center;
      font-weight: 900; color: rgba(15,23,42,.92);
      margin-bottom: 10px;
    }
    .review .role{
      font-weight: 900;
      letter-spacing: -.2px;
      margin: 0;
      font-size: 14px;
    }
    .review .org{
      margin: 4px 0 10px;
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.5;
    }
    .review .text{
      margin: 0;
      color: rgba(15,23,42,.84);
      font-size: 13px;
      line-height: 1.75;
    }
    .review .foot{
      margin-top: 12px;
      display:flex; gap: 10px; align-items:center; flex-wrap:wrap;
      color: var(--muted);
      font-size: 12.6px;
    }
    .mini-badge{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.70);
      white-space: nowrap;
    }

    /* Case */
    .tag-row{
      display:flex; gap:8px; flex-wrap:wrap;
      margin-top: 10px;
    }
    .tag-chip{
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      color: rgba(15,23,42,.86);
      font-size: 12.5px;
    }

    /* Articles */
    .article-list{
      display:grid; gap: 10px;
    }
    .article-item{
      display:flex; align-items:flex-start; justify-content:space-between;
      gap: 12px;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .article-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(15,23,42,.10);
      border-color: rgba(79,70,229,.18);
    }
    .article-left{
      display:flex; flex-direction:column; gap: 6px;
      min-width: 0;
    }
    .article-item a{
      color: rgba(15,23,42,.92);
      font-weight: 900;
      letter-spacing: -.2px;
      font-size: 13.8px;
      line-height: 1.45;
    }
    .article-meta{
      color: var(--muted);
      font-size: 12.6px;
      line-height: 1.5;
    }
    .article-right{
      flex: 0 0 auto;
      color: rgba(15,23,42,.8);
      font-size: 12.5px;
      padding-top: 2px;
    }

    /* Form */
    .form{
      padding: 16px 14px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(15,23,42,.10);
      background: linear-gradient(180deg, rgba(248,250,255,.92), rgba(255,255,255,.74));
      box-shadow: 0 16px 44px rgba(15,23,42,.08);
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 10px;
    }
    .field{
      display:flex; flex-direction:column; gap: 7px;
    }
    .field label{
      font-size: 12.8px;
      color: rgba(15,23,42,.86);
      font-weight: 800;
      letter-spacing: -.1px;
    }
    .input, select, textarea{
      width: 100%;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.12);
      background: rgba(255,255,255,.80);
      padding: 11px 12px;
      color: rgba(15,23,42,.94);
      transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease;
      outline:none;
    }
    textarea{min-height: 108px; resize: vertical}
    .input:focus, select:focus, textarea:focus{
      border-color: rgba(79,70,229,.35);
      box-shadow: var(--focus);
    }
    .form-actions{
      margin-top: 12px;
      display:flex; gap: 10px; flex-wrap:wrap; align-items:center; justify-content:space-between;
    }
    .hint{
      color: var(--muted);
      font-size: 12.6px;
      line-height: 1.6;
    }
    .small-cta{
      display:flex; gap:10px; flex-wrap:wrap;
    }

    /* Network timeline */
    .timeline{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items:start;
    }
    .network-card{
      padding: 14px 14px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 24px rgba(15,23,42,.06);
      overflow:hidden;
      position: relative;
    }
    .network-card::before{
      content:"";
      position:absolute; inset:-80px auto auto -80px;
      width: 220px; height: 220px; border-radius: 50%;
      background: radial-gradient(circle at 40% 40%, rgba(79,70,229,.16), transparent 62%);
      pointer-events:none;
    }
    .network-card h3{
      margin: 0 0 8px;
      font-size: 15px;
      letter-spacing: -.2px;
      position: relative;
    }
    .network-card p{
      position: relative;
      margin:0 0 12px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .network-list{
      position: relative;
      margin: 0;
      padding: 0;
      list-style:none;
      display:grid; gap: 8px;
    }
    .network-list li{
      display:flex; gap: 10px; align-items:flex-start;
      color: rgba(15,23,42,.86);
      font-size: 13px;
      line-height: 1.6;
    }
    .pin{
      width: 22px; height: 22px;
      border-radius: 10px;
      background: rgba(6,182,212,.12);
      border: 1px solid rgba(6,182,212,.18);
      color: rgba(14,165,233,.95);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      margin-top: 2px;
      font-size: 12px;
      font-weight: 900;
    }

    .price-box{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 12px;
      align-items: start;
    }
    .price-card{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 24px rgba(15,23,42,.06);
      padding: 14px 14px;
    }
    .price-card h3{
      margin: 0 0 6px;
      font-size: 15px;
      letter-spacing: -.2px;
    }
    .price-card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }
    .price-kpi{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-top: 12px;
    }
    .kpi{
      border-radius: 18px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.68);
      padding: 12px 12px;
    }
    .kpi b{
      display:block;
      font-size: 18px;
      letter-spacing: -.5px;
      background: linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,1));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .kpi span{
      display:block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 12.6px;
      line-height: 1.5;
    }
    .price-table{
      margin-top: 12px;
      overflow:auto;
      border-radius: 18px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.72);
    }
    .price-table table{min-width: 620px}
    .price-note{
      margin-top: 10px;
      color: var(--muted);
      font-size: 12.6px;
      line-height: 1.6;
    }

    /* Floating support */
    .float-support{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 60;
      display:flex;
      flex-direction: column;
      gap: 10px;
      align-items: flex-end;
    }
    .support-panel{
      display:none;
      width: min(320px, calc(100vw - 28px));
      border-radius: 18px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.90);
      box-shadow: 0 18px 50px rgba(15,23,42,.16);
      overflow:hidden;
    }
    .support-top{
      padding: 12px 12px;
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      border-bottom: 1px solid rgba(15,23,42,.08);
      background: linear-gradient(90deg, rgba(79,70,229,.10), rgba(6,182,212,.10));
    }
    .support-top strong{
      font-size: 13.5px;
      letter-spacing: -.2px;
    }
    .close-btn{
      width: 34px; height: 34px;
      border-radius: 14px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.8);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
    }
    .close-btn:active{transform: translateY(1px)}
    .support-body{
      padding: 12px 12px;
      display:flex; gap: 12px; align-items:flex-start;
    }
    .qr{
      width: 76px; height: 76px;
      border-radius: 18px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.9);
      flex: 0 0 auto;
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
    }
    .qr img{width:100%; height:100%; object-fit: cover}
    .support-body p{
      margin:0;
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.65;
    }
    .support-links{
      padding: 0 12px 12px;
      display:flex; gap: 10px; flex-wrap:wrap;
    }

    .support-toggle{
      width: 54px; height: 54px;
      border-radius: 20px;
      border: 1px solid rgba(15,23,42,.10);
      background: linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,1));
      box-shadow: 0 18px 40px rgba(79,70,229,.28);
      cursor:pointer;
      color:#fff;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
    }
    .support-toggle:hover{transform: translateY(-2px)}
    .support-toggle:focus{outline:none; box-shadow: var(--focus), 0 18px 40px rgba(79,70,229,.28)}
    .support-toggle svg{opacity:.96}

    /* Reveal on scroll */
    .reveal{
      opacity: 0;
      transform: translateY(10px);
      transition: opacity .45s ease, transform .45s ease;
    }
    .reveal.in{
      opacity: 1;
      transform: translateY(0);
    }

    /* Footer */
    footer{
      padding: 18px 0 24px;
      border-top: 1px solid rgba(15,23,42,.08);
      background: linear-gradient(180deg, rgba(248,250,255,.70), rgba(255,255,255,.9));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .footer-card{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.74);
      padding: 14px 14px;
      box-shadow: 0 10px 30px rgba(15,23,42,.06);
    }
    .footer-card h3{
      margin:0 0 8px;
      font-size: 15px;
      letter-spacing: -.2px;
    }
    .footer-card p{
      margin:0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }
    .footer-links{
      display:flex; gap: 10px; flex-wrap:wrap;
      margin-top: 12px;
    }
    .footer-links a{
      padding: 9px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.74);
      font-size: 12.8px;
      color: rgba(15,23,42,.88);
    }
    .fineprint{
      margin-top: 12px;
      color: var(--subtle);
      font-size: 12.5px;
      line-height: 1.6;
    }
    .footer-right{
      display:grid; gap: 12px;
      align-content:start;
    }
    .footer-contacts{
      display:grid; gap: 10px;
    }
    .contact-row{
      display:flex; gap: 10px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.74);
    }
    .contact-row .ico{
      width: 36px; height: 36px;
      border-radius: 16px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(15,23,42,.05);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      color: rgba(15,23,42,.84);
    }
    .contact-row strong{
      display:block; font-size: 13.5px;
      letter-spacing: -.2px;
      margin-top: 1px;
    }
    .contact-row a{
      color: rgba(15,23,42,.86);
      font-size: 13px;
      line-height: 1.6;
      word-break: break-word;
    }

    .copyright{
      margin-top: 12px;
      text-align:center;
      color: var(--subtle);
      font-size: 12.4px;
    }

    /* Modal */
    .modal-mask{
      position: fixed; inset:0;
      background: rgba(15,23,42,.38);
      backdrop-filter: blur(6px);
      z-index: 80;
      display:none;
      align-items:center; justify-content:center;
      padding: 18px;
    }
    .modal{
      width: min(520px, 100%);
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.20);
      background: rgba(255,255,255,.92);
      box-shadow: 0 30px 80px rgba(15,23,42,.26);
      overflow:hidden;
    }
    .modal-head{
      padding: 14px 14px;
      display:flex; align-items:center; justify-content:space-between; gap: 10px;
      background: linear-gradient(90deg, rgba(79,70,229,.14), rgba(6,182,212,.12));
      border-bottom: 1px solid rgba(15,23,42,.08);
    }
    .modal-head strong{font-size: 14px}
    .modal-body{padding: 14px 14px}
    .modal-body p{
      margin: 0 0 10px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }
    .modal-grid{
      display:grid; grid-template-columns: 1fr 1fr; gap: 10px;
    }
    .modal-grid .mini{
      border-radius: 18px;
      border: 1px solid rgba(15,23,42,.10);
      background: rgba(255,255,255,.76);
      padding: 12px 12px;
    }
    .mini b{
      display:block;
      font-size: 13.5px;
      margin-bottom: 6px;
    }
    .mini span{
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.6;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .faq-wrap{grid-template-columns: 1fr}
      .comment-grid{grid-template-columns: 1fr 1fr}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .timeline{grid-template-columns: 1fr}
      .price-box{grid-template-columns: 1fr}
      .footer-grid{grid-template-columns: 1fr}
      .nav{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:block}
      .mobile-panel[data-open="false"]{display:none}
      .mobile-panel[data-open="true"]{display:block}
    }
    @media (max-width: 560px){
      .comment-grid{grid-template-columns: 1fr}
      .meta-item{min-width: 0}
      .form-grid{grid-template-columns: 1fr}
      table{min-width: 740px}
      .modal-grid{grid-template-columns: 1fr}
    }