:root{
      --bg: #fbf7f7;
      --surface: #ffffff;
      --text: #1f2328;
      --muted: #5b6470;
      --line: rgba(31,35,40,.10);
      --shadow: 0 18px 45px rgba(158, 17, 48, .10);
      --shadow2: 0 10px 28px rgba(31,35,40,.10);
      --brand: #cc1436;
      --brand2: #ff3b5c;
      --brand3: #a60e2b;
      --chip: rgba(204, 20, 54, .10);
      --chip2: rgba(255, 59, 92, .12);
      --accent: #7a2cf2;
      --accent2:#0b74ff;
      --ok: #0f9a5b;
      --warn: #c06a00;
      --radius-xl: 24px;
      --radius-lg: 18px;
      --radius-md: 14px;
      --radius-sm: 12px;
      --container: 1120px;
      --pad: 20px;
    }

    *{ box-sizing: border-box; }
    html{ scroll-behavior: smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      background:
        radial-gradient(900px 420px at 12% -10%, rgba(204, 20, 54, .14), transparent 60%),
        radial-gradient(820px 420px at 88% -10%, rgba(255, 59, 92, .12), transparent 62%),
        radial-gradient(700px 520px at 50% 20%, rgba(122, 44, 242, .08), transparent 58%),
        linear-gradient(180deg, #fff 0%, var(--bg) 38%, #fff 100%);
      color: var(--text);
      line-height: 1.5;
      overflow-x: hidden;
    }

    a{ color: inherit; text-decoration: none; }
    .container{
      width: 100%;
      max-width: var(--container);
      padding: 0 var(--pad);
      margin: 0 auto;
    }

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

    header{
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(251, 247, 247, .72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(31,35,40,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap: 10px;
      min-width: 200px;
    }
    .brand .logo{
      width: 34px; height: 34px;
      border-radius: 12px;
      display:grid;
      place-items:center;
      background: linear-gradient(135deg, rgba(204,20,54,.18), rgba(255,59,92,.10));
      border: 1px solid rgba(204,20,54,.22);
      overflow:hidden;
      flex: 0 0 auto;
    }
    .brand .logo img{
      width: 100%;
      height: 100%;
      object-fit: cover;
      display:block;
    }
    .brand .name{
      display:flex; flex-direction: column;
      gap: 2px;
    }
    .brand .name strong{
      font-size: 14px;
      letter-spacing: .2px;
    }
    .brand .name span{
      font-size: 12px;
      color: var(--muted);
    }

    nav .desktop-links{
      display:flex;
      align-items:center;
      gap: 12px;
      flex-wrap: wrap;
      justify-content:center;
    }
    .nav-link{
      font-size: 13px;
      color: rgba(31,35,40,.85);
      padding: 10px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      white-space: nowrap;
    }
    .nav-link:hover{
      background: rgba(204,20,54,.08);
      border-color: rgba(204,20,54,.20);
      transform: translateY(-1px);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap: 10px;
      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(31,35,40,.12);
      background: var(--surface);
      color: rgba(31,35,40,.92);
      font-weight: 650;
      font-size: 13px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      user-select:none;
      -webkit-tap-highlight-color: transparent;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(31,35,40,.10);
      border-color: rgba(204,20,54,.28);
    }
    .btn-primary{
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
      border-color: rgba(204,20,54,.35);
      color: #fff;
      box-shadow: 0 18px 35px rgba(204, 20, 54, .22);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 46px rgba(204, 20, 54, .28);
      border-color: rgba(255,59,92,.55);
    }
    .btn-ghost{
      background: rgba(204,20,54,.06);
      border-color: rgba(204,20,54,.18);
      color: rgba(204,20,54,.95);
    }
    .btn-small{
      padding: 9px 12px;
      border-radius: 12px;
      font-size: 12.5px;
    }

    .burger{
      display:none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      border: 1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.7);
      cursor:pointer;
      align-items:center;
      justify-content:center;
    }
    .burger span{
      width: 18px; height: 2px;
      background: rgba(31,35,40,.9);
      border-radius: 999px;
      position: relative;
      display:block;
    }
    .burger span:before, .burger span:after{
      content:"";
      position:absolute;
      left: 0;
      width: 18px; height: 2px;
      background: rgba(31,35,40,.9);
      border-radius: 999px;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:before{ top: -6px; }
    .burger span:after{ top: 6px; }

    .mobile-panel{
      display:none;
      padding: 10px 0 16px;
    }
    .mobile-panel.open{ display:block; }
    .mobile-links{
      display:flex;
      flex-direction: column;
      gap: 8px;
      padding: 12px;
      border-radius: 18px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 45px rgba(31,35,40,.08);
    }
    .mobile-links a{
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(204,20,54,.18);
      background: rgba(204,20,54,.06);
      color: rgba(204,20,54,.98);
      font-weight: 650;
      font-size: 13px;
    }

    .hero{
      padding: 44px 0 10px;
      position: relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 22px;
      align-items: start;
    }
    .hero-card{
      border: 1px solid rgba(31,35,40,.10);
      background:
        radial-gradient(600px 280px at 0% 0%, rgba(204,20,54,.18), transparent 60%),
        radial-gradient(520px 300px at 90% 10%, rgba(255,59,92,.14), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.85) 0%, rgba(255,255,255,.65) 100%);
      border-radius: var(--radius-xl);
      padding: 26px;
      box-shadow: 0 22px 60px rgba(204, 20, 54, .10);
      position: relative;
      isolation: isolate;
    }
    .hero-card:before{
      content:"";
      position:absolute; inset: -2px;
      border-radius: var(--radius-xl);
      background: linear-gradient(135deg, rgba(204,20,54,.45), rgba(255,59,92,.0) 42%, rgba(122,44,242,.18));
      opacity: .25;
      z-index:-1;
      filter: blur(10px);
    }
    .kicker{
      display:flex;
      align-items:center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 12px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(204,20,54,.22);
      background: rgba(204,20,54,.08);
      color: rgba(204,20,54,.98);
      font-weight: 750;
      font-size: 12.5px;
      letter-spacing: .2px;
    }
    .dot{
      width: 8px; height: 8px; border-radius: 99px;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
      box-shadow: 0 0 0 6px rgba(204,20,54,.12);
    }
    .kicker small{
      color: var(--muted);
      font-weight: 600;
      font-size: 12.5px;
    }

    h1{
      margin: 0 0 12px;
      font-size: 34px;
      line-height: 1.18;
      letter-spacing: -0.6px;
    }
    .lead{
      color: rgba(31,35,40,.78);
      margin: 0 0 18px;
      font-size: 14.8px;
      max-width: 60ch;
    }

    .hero-actions{
      display:flex;
      align-items:center;
      gap: 12px;
      flex-wrap: wrap;
      margin: 18px 0 12px;
    }
    .trust-row{
      display:flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px dashed rgba(31,35,40,.14);
    }
    .trust-item{
      display:flex;
      gap: 10px;
      align-items:flex-start;
      min-width: 170px;
      flex: 1 1 180px;
    }
    .trust-ico{
      width: 34px; height: 34px;
      border-radius: 14px;
      display:grid;
      place-items:center;
      background: rgba(204,20,54,.10);
      border: 1px solid rgba(204,20,54,.18);
      color: rgba(204,20,54,.95);
      flex: 0 0 auto;
    }
    .trust-item strong{
      display:block;
      font-size: 13.5px;
      margin-top: 2px;
    }
    .trust-item span{
      display:block;
      font-size: 12.5px;
      color: var(--muted);
      margin-top: 2px;
    }

    .hero-side{
      display:flex;
      flex-direction: column;
      gap: 14px;
    }
    .side-top{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      padding: 18px;
      box-shadow: 0 18px 46px rgba(31,35,40,.08);
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }
    .side-title h2{
      margin: 0;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .status-chip{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,154,91,.22);
      background: rgba(15,154,91,.08);
      color: rgba(15,154,91,.98);
      font-weight: 800;
      font-size: 12.5px;
      white-space: nowrap;
    }
    .pulse{
      width: 8px; height: 8px; border-radius: 99px;
      background: rgba(15,154,91,1);
      box-shadow: 0 0 0 0 rgba(15,154,91,.35);
      animation: pulse 1.7s ease-in-out infinite;
    }
    @keyframes pulse{
      0%{ box-shadow: 0 0 0 0 rgba(15,154,91,.28); }
      55%{ box-shadow: 0 0 0 10px rgba(15,154,91,.0); }
      100%{ box-shadow: 0 0 0 0 rgba(15,154,91,.0); }
    }

    .metric-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
    }
    .metric{
      border: 1px solid rgba(31,35,40,.10);
      background:
        radial-gradient(240px 120px at 20% 0%, rgba(204,20,54,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.8), rgba(255,255,255,.58));
      border-radius: 18px;
      padding: 14px;
      position: relative;
      overflow:hidden;
      transform: translateZ(0);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 40px rgba(204, 20, 54, .10);
      border-color: rgba(204,20,54,.24);
    }
    .metric .num{
      font-size: 20px;
      font-weight: 900;
      letter-spacing: -0.3px;
      margin-bottom: 6px;
    }
    .metric .lbl{
      color: var(--muted);
      font-size: 12.8px;
      font-weight: 650;
    }
    .metric:after{
      content:"";
      position:absolute;
      width: 160px; height: 160px;
      right: -90px; top: -100px;
      border-radius: 999px;
      background: rgba(204,20,54,.10);
      filter: blur(2px);
    }

    .side-bottom{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.72);
      padding: 18px;
      box-shadow: 0 18px 46px rgba(31,35,40,.08);
    }
    .mini-list{
      display:flex; flex-direction: column; gap: 10px;
      margin-top: 6px;
    }
    .mini-item{
      display:flex; align-items:flex-start; gap: 10px;
      padding: 10px 10px;
      border-radius: 14px;
      border: 1px solid rgba(31,35,40,.08);
      background: rgba(251, 247, 247, .65);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .mini-item:hover{
      transform: translateY(-1px);
      border-color: rgba(204,20,54,.20);
      background: rgba(204,20,54,.06);
    }
    .mini-ico{
      width: 30px; height: 30px;
      border-radius: 12px;
      display:grid;
      place-items:center;
      background: rgba(204,20,54,.10);
      border: 1px solid rgba(204,20,54,.18);
      color: rgba(204,20,54,.95);
      flex: 0 0 auto;
    }
    .mini-item strong{
      display:block; font-size: 13.2px;
      margin-top: 1px;
    }
    .mini-item span{
      display:block; font-size: 12.3px;
      color: var(--muted);
      margin-top: 2px;
    }

    .section{
      padding: 28px 0;
    }
    .section-head{
      display:flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 16px;
    }
    .section-head h2{
      margin: 0;
      font-size: 22px;
      letter-spacing: -0.4px;
    }
    .section-head p{
      margin: 0;
      color: var(--muted);
      font-weight: 600;
      font-size: 13.5px;
      max-width: 62ch;
    }
    .tag-row{
      display:flex; gap: 10px; flex-wrap: wrap;
      justify-content: flex-end;
    }
    .tag{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.7);
      color: rgba(31,35,40,.86);
      font-weight: 700;
      font-size: 12.4px;
    }

    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      align-items: start;
    }
    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .card{
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.76);
      border-radius: var(--radius-xl);
      padding: 18px;
      box-shadow: 0 18px 46px rgba(31,35,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      transform: translateZ(0);
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 24px 60px rgba(31,35,40,.10);
      border-color: rgba(204,20,54,.22);
    }
    .card h3{
      margin: 10px 0 6px;
      font-size: 16.5px;
      letter-spacing: -0.2px;
    }
    .card p{
      margin: 0;
      color: var(--muted);
      font-weight: 600;
      font-size: 13.3px;
    }
    .card .top{
      display:flex; align-items:flex-start; justify-content: space-between; gap: 12px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 8px 10px;
      border-radius: 14px;
      background: rgba(204,20,54,.08);
      border: 1px solid rgba(204,20,54,.18);
      color: rgba(204,20,54,.95);
      font-weight: 850;
      font-size: 12.5px;
      white-space: nowrap;
    }
    .badge .spark{
      width: 10px; height: 10px;
      border-radius: 3px;
      background: linear-gradient(135deg, var(--brand) 0%, var(--brand2) 100%);
      box-shadow: 0 0 0 6px rgba(204,20,54,.10);
    }

    .timeline{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
    }
    .step{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background:
        radial-gradient(260px 160px at 0% 0%, rgba(204,20,54,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      padding: 16px;
      position: relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease;
      min-height: 128px;
    }
    .step:hover{ transform: translateY(-2px); border-color: rgba(204,20,54,.22); }
    .step .n{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width: 34px; height: 34px;
      border-radius: 14px;
      background: rgba(204,20,54,.10);
      border: 1px solid rgba(204,20,54,.18);
      color: rgba(204,20,54,.98);
      font-weight: 950;
      letter-spacing: -0.2px;
      margin-bottom: 10px;
    }
    .step strong{
      display:block;
      font-size: 15px;
      letter-spacing: -0.2px;
      margin-bottom: 6px;
    }
    .step span{
      display:block;
      color: var(--muted);
      font-weight: 650;
      font-size: 13px;
    }

    .compare{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 46px rgba(31,35,40,.06);
      overflow:hidden;
    }
    .compare-head{
      padding: 18px;
      border-bottom: 1px solid rgba(31,35,40,.10);
      background:
        radial-gradient(600px 240px at 0% 0%, rgba(204,20,54,.16), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.64));
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .stars{
      display:flex;
      align-items:center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(204,20,54,.20);
      background: rgba(204,20,54,.08);
    }
    .star-row{ display:flex; gap: 3px; }
    .star{
      width: 18px; height: 18px;
      display:inline-block;
      background: conic-gradient(from 180deg, var(--brand) 0, var(--brand2) 100%);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      filter: drop-shadow(0 6px 10px rgba(204,20,54,.18));
    }
    .stars strong{
      font-size: 14.5px;
      letter-spacing: -0.2px;
    }
    .score{
      color: rgba(31,35,40,.85);
      font-weight: 900;
      font-size: 18px;
      letter-spacing: -0.5px;
    }
    .compare-meta{
      display:flex;
      flex-direction: column;
      gap: 2px;
      min-width: 240px;
    }
    .compare-meta span{
      color: var(--muted);
      font-weight: 650;
      font-size: 13px;
    }

    .compare-table{
      width: 100%;
      border-collapse: collapse;
      table-layout: fixed;
      font-size: 13.5px;
    }
    .compare-table th, .compare-table td{
      border-bottom: 1px solid rgba(31,35,40,.08);
      padding: 12px 12px;
      vertical-align: middle;
    }
    .compare-table th{
      text-align: left;
      background: rgba(251, 247, 247, .75);
      color: rgba(31,35,40,.9);
      font-weight: 900;
    }
    .compare-table td{
      color: rgba(31,35,40,.85);
      font-weight: 650;
    }
    .td-center{ text-align:center; }
    .good{
      display:inline-flex; align-items:center; justify-content:center; gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(15,154,91,.22);
      background: rgba(15,154,91,.08);
      color: rgba(15,154,91,.98);
      font-weight: 900;
      white-space: nowrap;
    }
    .mid{
      display:inline-flex; align-items:center; justify-content:center; gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(192,106,0,.22);
      background: rgba(192,106,0,.08);
      color: rgba(192,106,0,.98);
      font-weight: 900;
      white-space: nowrap;
    }

    .filters{
      display:flex; gap: 10px; flex-wrap: wrap;
      margin: 12px 0 6px;
    }
    .chip-btn{
      border-radius: 999px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.72);
      padding: 9px 12px;
      font-weight: 800;
      font-size: 12.8px;
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      color: rgba(31,35,40,.9);
      user-select:none;
      -webkit-tap-highlight-color: transparent;
    }
    .chip-btn:hover{ transform: translateY(-1px); border-color: rgba(204,20,54,.22); }
    .chip-btn.active{
      background: rgba(204,20,54,.10);
      border-color: rgba(204,20,54,.28);
      color: rgba(204,20,54,.98);
    }

    .list{
      display:flex; flex-direction: column; gap: 10px;
    }
    .list-item{
      display:flex;
      align-items:flex-start;
      justify-content: space-between;
      gap: 12px;
      padding: 14px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.76);
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
    }
    .list-item:hover{
      transform: translateY(-2px);
      border-color: rgba(204,20,54,.20);
      box-shadow: 0 22px 60px rgba(31,35,40,.08);
    }
    .list-item .left{
      display:flex; gap: 12px; align-items:flex-start;
      min-width: 0;
    }
    .ico{
      width: 40px; height: 40px;
      border-radius: 16px;
      display:grid; place-items:center;
      background: rgba(204,20,54,.10);
      border: 1px solid rgba(204,20,54,.18);
      color: rgba(204,20,54,.98);
      flex: 0 0 auto;
    }
    .list-item strong{
      display:block;
      font-size: 14.6px;
      letter-spacing: -0.2px;
      margin-top: 2px;
    }
    .list-item span{
      display:block;
      color: var(--muted);
      font-weight: 650;
      font-size: 12.9px;
      margin-top: 6px;
      max-width: 56ch;
    }
    .list-item .right{
      display:flex;
      flex-direction: column;
      align-items:flex-end;
      gap: 8px;
      flex: 0 0 auto;
    }
    .linkish{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 12px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      font-weight: 900;
      font-size: 12.6px;
      color: rgba(31,35,40,.88);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      cursor:pointer;
      -webkit-tap-highlight-color: transparent;
      user-select:none;
    }
    .linkish:hover{
      transform: translateY(-1px);
      border-color: rgba(204,20,54,.22);
      background: rgba(204,20,54,.06);
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    details.faq-item{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 46px rgba(31,35,40,.05);
      padding: 14px 14px;
      transition: border-color .18s ease, transform .18s ease;
    }
    details.faq-item:hover{
      transform: translateY(-1px);
      border-color: rgba(204,20,54,.22);
    }
    details.faq-item[open]{
      border-color: rgba(204,20,54,.30);
      background: rgba(204,20,54,.05);
    }
    summary{
      list-style: none;
      cursor:pointer;
      font-weight: 900;
      letter-spacing: -0.2px;
      color: rgba(31,35,40,.92);
      padding-right: 24px;
      position: relative;
      font-size: 14px;
    }
    summary::-webkit-details-marker{ display:none; }
    summary:after{
      content:"+";
      position:absolute;
      right: 6px;
      top: 0;
      width: 22px; height: 22px;
      border-radius: 12px;
      display:grid;
      place-items:center;
      border: 1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.82);
      color: rgba(31,35,40,.85);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      font-weight: 950;
      transform: rotate(0deg);
    }
    details[open] summary:after{
      content:"−";
      transform: rotate(0deg);
      border-color: rgba(204,20,54,.30);
      background: rgba(204,20,54,.10);
      color: rgba(204,20,54,.98);
    }
    .faq-answer{
      margin-top: 10px;
      color: var(--muted);
      font-weight: 650;
      font-size: 13.3px;
      padding-right: 8px;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .review{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 46px rgba(31,35,40,.05);
      padding: 16px;
      transition: transform .18s ease, border-color .18s ease;
      transform: translateZ(0);
    }
    .review:hover{ transform: translateY(-2px); border-color: rgba(204,20,54,.22); }
    .review .head{
      display:flex; align-items:flex-start; justify-content: space-between; gap: 12px;
      margin-bottom: 10px;
    }
    .avatar{
      width: 42px; height: 42px; border-radius: 18px;
      background: linear-gradient(135deg, rgba(204,20,54,.14), rgba(122,44,242,.10));
      border: 1px solid rgba(204,20,54,.18);
      display:grid; place-items:center;
      color: rgba(204,20,54,.98);
      font-weight: 1000;
      letter-spacing: -0.4px;
      flex: 0 0 auto;
    }
    .review .who{
      display:flex; flex-direction: column; gap: 3px;
      min-width: 0;
    }
    .review .who strong{
      font-size: 14.4px; letter-spacing: -0.2px;
    }
    .review .who span{
      color: var(--muted);
      font-weight: 700;
      font-size: 12.6px;
    }
    .review .text{
      color: rgba(31,35,40,.78);
      font-weight: 650;
      font-size: 13.3px;
      margin-top: 8px;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .case{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 46px rgba(31,35,40,.05);
      padding: 16px;
      transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
      min-height: 170px;
      display:flex;
      flex-direction: column;
      gap: 10px;
    }
    .case:hover{
      transform: translateY(-2px);
      border-color: rgba(204,20,54,.22);
      box-shadow: 0 24px 60px rgba(31,35,40,.08);
    }
    .case .top{
      display:flex; align-items:flex-start; justify-content: space-between; gap: 10px;
    }
    .case h3{
      margin: 0;
      font-size: 15.5px;
      letter-spacing: -0.2px;
    }
    .case .meta{
      color: var(--muted);
      font-weight: 700;
      font-size: 12.6px;
    }
    .case ul{
      margin: 0;
      padding-left: 16px;
      color: rgba(31,35,40,.82);
      font-weight: 650;
      font-size: 13px;
    }
    .case li{ margin: 6px 0; }

    .network{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }
    .map-sim{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background:
        radial-gradient(520px 260px at 30% 20%, rgba(204,20,54,.12), transparent 60%),
        radial-gradient(420px 260px at 80% 40%, rgba(122,44,242,.10), transparent 64%),
        linear-gradient(180deg, rgba(255,255,255,.84), rgba(255,255,255,.64));
      padding: 18px;
      box-shadow: 0 18px 46px rgba(31,35,40,.05);
      overflow:hidden;
      position: relative;
      min-height: 260px;
    }
    .map-sim:before{
      content:"";
      position:absolute; inset: 0;
      background-image:
        radial-gradient(circle at 20% 30%, rgba(204,20,54,.45) 0 2px, transparent 3px),
        radial-gradient(circle at 35% 60%, rgba(204,20,54,.35) 0 2px, transparent 3px),
        radial-gradient(circle at 62% 35%, rgba(204,20,54,.35) 0 2px, transparent 3px),
        radial-gradient(circle at 76% 66%, rgba(204,20,54,.35) 0 2px, transparent 3px),
        radial-gradient(circle at 50% 50%, rgba(122,44,242,.25) 0 2px, transparent 3px);
      opacity: .9;
      pointer-events:none;
    }
    .map-sim .map-title{
      display:flex; align-items:center; justify-content: space-between; gap: 12px;
      position: relative;
      z-index: 1;
      margin-bottom: 12px;
    }
    .map-sim h3{
      margin:0;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .map-sim p{
      margin:0;
      color: var(--muted);
      font-weight: 650;
      font-size: 13.2px;
      position: relative;
      z-index: 1;
      max-width: 52ch;
    }
    .city-chips{
      display:flex; flex-wrap: wrap; gap: 10px;
      margin-top: 14px;
      position: relative;
      z-index: 1;
    }
    .city{
      padding: 9px 12px;
      border-radius: 999px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      font-weight: 850;
      font-size: 12.8px;
      color: rgba(31,35,40,.9);
    }
    .network-list{
      display:flex; flex-direction: column; gap: 12px;
    }
    .network-card{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 46px rgba(31,35,40,.05);
      padding: 16px;
    }
    .network-card h3{
      margin: 0 0 8px;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .network-card p{
      margin: 0;
      color: var(--muted);
      font-weight: 650;
      font-size: 13.2px;
    }
    .net-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px;
      margin-top: 12px;
    }
    .net{
      padding: 12px;
      border-radius: 18px;
      border: 1px solid rgba(31,35,40,.08);
      background: rgba(251, 247, 247, .7);
      transition: transform .18s ease, border-color .18s ease;
    }
    .net:hover{ transform: translateY(-2px); border-color: rgba(204,20,54,.20); }
    .net strong{
      display:block;
      font-size: 13.8px;
      letter-spacing: -0.2px;
      margin-bottom: 4px;
    }
    .net span{
      display:block;
      color: var(--muted);
      font-weight: 650;
      font-size: 12.6px;
    }

    .article-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items: start;
    }
    .article-card{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 46px rgba(31,35,40,.05);
      padding: 16px;
    }
    .article-card h3{
      margin: 0 0 10px;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .article-list{
      display:flex; flex-direction: column; gap: 10px;
    }
    .article{
      padding: 12px;
      border-radius: 18px;
      border: 1px solid rgba(31,35,40,.08);
      background: rgba(251, 247, 247, .7);
      transition: transform .18s ease, border-color .18s ease;
    }
    .article:hover{ transform: translateY(-2px); border-color: rgba(204,20,54,.20); }
    .article .t{
      display:flex; align-items:flex-start; justify-content: space-between; gap: 12px;
    }
    .article strong{
      display:block;
      font-size: 13.8px;
      letter-spacing: -0.2px;
    }
    .article span{
      display:block;
      margin-top: 6px;
      color: var(--muted);
      font-weight: 650;
      font-size: 12.6px;
    }

    .form-wrap{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background:
        radial-gradient(520px 240px at 0% 0%, rgba(204,20,54,.14), transparent 60%),
        radial-gradient(420px 240px at 100% 0%, rgba(122,44,242,.10), transparent 64%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.64));
      padding: 18px;
      box-shadow: 0 18px 46px rgba(31,35,40,.06);
    }
    form .grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      align-items: start;
    }
    label{
      display:flex; flex-direction: column;
      gap: 8px;
      font-weight: 850;
      font-size: 12.8px;
      color: rgba(31,35,40,.88);
    }
    input, select, textarea{
      border-radius: 14px;
      border: 1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.82);
      padding: 12px 12px;
      font-size: 14px;
      color: rgba(31,35,40,.92);
      outline: none;
      transition: border-color .18s ease, box-shadow .18s ease;
      width: 100%;
      -webkit-tap-highlight-color: transparent;
    }
    textarea{ min-height: 110px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(204,20,54,.35);
      box-shadow: 0 0 0 4px rgba(204,20,54,.12);
    }
    .form-actions{
      display:flex;
      align-items:center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 12px;
      padding-top: 12px;
      border-top: 1px dashed rgba(31,35,40,.16);
    }
    .form-actions .hint{
      color: var(--muted);
      font-weight: 650;
      font-size: 12.8px;
      max-width: 52ch;
    }
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 18px;
      background: rgba(31,35,40,.92);
      color: #fff;
      padding: 12px 14px;
      border-radius: 16px;
      box-shadow: 0 18px 50px rgba(0,0,0,.25);
      border: 1px solid rgba(255,255,255,.12);
      opacity: 0;
      pointer-events: none;
      transition: opacity .22s ease, transform .22s ease;
      z-index: 200;
      max-width: calc(100vw - 24px);
      text-align: center;
      font-weight: 800;
      font-size: 13px;
    }
    .toast.show{
      opacity: 1;
      transform: translateX(-50%) translateY(-4px);
    }

    .price-ref{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 46px rgba(31,35,40,.05);
      padding: 16px;
    }
    .price-ref h3{
      margin: 0 0 10px;
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    .price-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }
    .price{
      border-radius: 18px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(251, 247, 247, .72);
      padding: 14px;
      position: relative;
      overflow:hidden;
    }
    .price:before{
      content:"";
      position:absolute;
      left: -60px; top: -80px;
      width: 140px; height: 140px;
      background: rgba(204,20,54,.10);
      border-radius: 999px;
      filter: blur(2px);
    }
    .price strong{
      display:block;
      font-size: 14.5px;
      letter-spacing: -0.2px;
      position: relative;
      z-index: 1;
    }
    .price span{
      display:block;
      margin-top: 6px;
      color: var(--muted);
      font-weight: 650;
      font-size: 12.7px;
      position: relative;
      z-index: 1;
    }
    .price .val{
      font-size: 22px;
      font-weight: 1000;
      letter-spacing: -0.6px;
      margin-top: 10px;
      position: relative;
      z-index: 1;
      color: rgba(31,35,40,.95);
    }

    .ai-blueprint{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background:
        radial-gradient(520px 240px at 0% 0%, rgba(11,116,255,.12), transparent 60%),
        radial-gradient(420px 240px at 100% 0%, rgba(122,44,242,.12), transparent 64%),
        linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.64));
      padding: 18px;
      box-shadow: 0 18px 46px rgba(31,35,40,.06);
    }
    .bp-top{
      display:flex; justify-content: space-between; gap: 12px; align-items:flex-start; flex-wrap: wrap;
      margin-bottom: 12px;
    }
    .bp-top h3{ margin: 0; font-size: 16px; letter-spacing: -0.2px; }
    .bp-top p{
      margin: 0;
      color: var(--muted);
      font-weight: 650;
      font-size: 13.2px;
      max-width: 62ch;
    }
    .bp-grid{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 10px;
    }
    .bp{
      border-radius: 18px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      padding: 12px;
      position: relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease;
    }
    .bp:hover{ transform: translateY(-2px); border-color: rgba(204,20,54,.22); }
    .bp .t{
      display:flex; align-items:center; gap: 10px;
      margin-bottom: 8px;
    }
    .bp .ring{
      width: 28px; height: 28px;
      border-radius: 12px;
      display:grid; place-items:center;
      background: rgba(11,116,255,.10);
      border: 1px solid rgba(11,116,255,.18);
      color: rgba(11,116,255,.98);
      font-weight: 950;
    }
    .bp strong{
      display:block;
      font-size: 13.8px;
      letter-spacing: -0.2px;
    }
    .bp span{
      display:block;
      color: var(--muted);
      font-weight: 650;
      font-size: 12.6px;
    }

    .section-divider{
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(31,35,40,.10), transparent);
      margin: 10px 0;
    }

    footer{
      margin-top: 10px;
      background: linear-gradient(180deg, rgba(204,20,54,.08), rgba(255,255,255,.0) 50%), #fff;
      border-top: 1px solid rgba(31,35,40,.10);
      padding: 20px 0 26px;
    }
    .foot-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 16px;
      align-items: start;
    }
    .foot-card{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 46px rgba(31,35,40,.05);
      padding: 16px;
    }
    .foot-title{
      display:flex; align-items:center; justify-content: space-between; gap: 12px;
      margin-bottom: 10px;
      flex-wrap: wrap;
    }
    .foot-title strong{
      font-size: 16px; letter-spacing: -0.2px;
    }
    .foot-title span{
      color: var(--muted);
      font-weight: 700;
      font-size: 12.8px;
    }
    .foot-links{
      display:flex; flex-wrap: wrap; gap: 10px;
    }
    .foot-links a{
      display:inline-flex;
      align-items:center;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(251, 247, 247, .68);
      color: rgba(31,35,40,.9);
      font-weight: 850;
      font-size: 12.8px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space: nowrap;
    }
    .foot-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(204,20,54,.22);
      background: rgba(204,20,54,.06);
    }
    .copyright{
      color: rgba(31,35,40,.72);
      font-weight: 700;
      font-size: 12.6px;
      margin-top: 12px;
    }
    .contact-box{
      display:flex;
      flex-direction: column;
      gap: 12px;
    }
    .contact-row{
      display:flex;
      align-items:flex-start;
      gap: 12px;
    }
    .qr{
      width: 96px; height: 96px;
      border-radius: 22px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.78);
      display:grid;
      place-items:center;
      overflow:hidden;
      flex: 0 0 auto;
    }
    .qr img{
      width: 100%;
      height: 100%;
      object-fit: cover;
      display:block;
    }
    .contact-row .txt{
      flex: 1 1 auto;
      min-width: 0;
    }
    .contact-row .txt strong{
      display:block;
      font-size: 15px;
      letter-spacing: -0.2px;
      margin-bottom: 6px;
    }
    .contact-row .txt span{
      display:block;
      color: var(--muted);
      font-weight: 700;
      font-size: 13px;
      margin-bottom: 8px;
    }
    .contact-row .txt a{
      display:inline-flex;
      align-items:center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(251, 247, 247, .68);
      font-weight: 900;
      font-size: 12.8px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .contact-row .txt a:hover{
      transform: translateY(-2px);
      border-color: rgba(204,20,54,.22);
      background: rgba(204,20,54,.06);
    }

    .float-contact{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 120;
      display:flex;
      flex-direction: column;
      gap: 10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-contact .btn{
      pointer-events:auto;
    }
    .float-tip{
      padding: 10px 12px;
      border-radius: 16px;
      background: rgba(31,35,40,.92);
      color: #fff;
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: 0 18px 50px rgba(0,0,0,.20);
      font-weight: 850;
      font-size: 12.6px;
      max-width: 220px;
      text-align: left;
      transform: translateY(6px);
      opacity: 0;
      transition: opacity .2s ease, transform .2s ease;
      pointer-events:none;
    }
    .float-contact.show .float-tip{
      opacity: 1;
      transform: translateY(0);
    }

    .reveal{
      opacity: 0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.visible{
      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); white-space:nowrap; border:0;
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .nav-actions{ min-width: unset; }
      nav .desktop-links{ display:none; }
      .burger{ display:flex; }
      .mobile-panel{ display:none; }
      .faq{ grid-template-columns: 1fr; }
      .reviews{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .timeline{ grid-template-columns: 1fr 1fr; }
      .network{ grid-template-columns: 1fr; }
      .article-row{ grid-template-columns: 1fr; }
      .price-grid{ grid-template-columns: 1fr; }
      .bp-grid{ grid-template-columns: 1fr 1fr; }
      .foot-grid{ grid-template-columns: 1fr; }
      form .grid{ grid-template-columns: 1fr; }
      h1{ font-size: 30px; }
    }
    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior: auto; }
      .reveal{ transition: none; }
      .pulse{ animation: none; }
      .metric, .card, .step, .list-item, .article, .review, .case, .bp, .net, .mini-item, .chip-btn, .btn, .foot-links a{
        transition: none !important;
      }
    }