:root{
      --bg:#fff7f8;
      --bg2:#ffffff;
      --text:#15161a;
      --muted:#5b5f6a;
      --muted2:#7a7f8b;
      --card:#ffffff;
      --border:rgba(20,18,28,.12);
      --shadow: 0 14px 35px rgba(185,12,52,.12), 0 2px 10px rgba(16,24,40,.06);
      --shadow2: 0 10px 24px rgba(16,24,40,.10);
      --brand:#c20d3a;
      --brand2:#ff3b6a;
      --brand3:#ff6b87;
      --accent:#7b1cff;
      --accent2:#1aa3ff;
      --ring: rgba(194,13,58,.35);
      --radius:18px;
      --radius2:26px;
      --container: 1120px;
      --pad: 18px;
      --grid-gap: 16px;
      --ease: cubic-bezier(.2,.8,.2,1);
    }

    *{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, "Noto Sans", "PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 540px at 8% 0%, rgba(255,59,106,.15), transparent 60%),
        radial-gradient(680px 420px at 92% 10%, rgba(123,28,255,.12), transparent 55%),
        radial-gradient(680px 520px at 50% 100%, rgba(26,163,255,.10), transparent 58%),
        linear-gradient(180deg, var(--bg) 0%, #ffffff 40%, #fffdfd 100%);
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
      outline:3px solid var(--ring);
      outline-offset:2px;
      border-radius:12px;
    }

    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 var(--pad);
    }

    .skip-link{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:14px; top:14px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--border); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow2);
    }

    header{
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255,247,248,.62);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(20,18,28,.08);
    }

    .nav-wrap{
      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;
    }
    .brand img{
      width:42px; height:42px; object-fit:contain;
      background: #fff;
      border-radius: 12px;
      padding: 6px;
      border:1px solid rgba(20,18,28,.10);
      box-shadow: 0 10px 22px rgba(194,13,58,.10);
    }
    .brand strong{
      display:block; line-height:1.15;
      font-size: 14px; letter-spacing:.2px;
    }
    .brand span{
      display:block; color: var(--muted);
      font-size: 12px;
      margin-top: 2px;
    }

    .nav-actions{display:flex; align-items:center; gap:10px;}
    .nav-links{
      display:flex; align-items:center; gap: 14px;
      flex-wrap: nowrap;
      overflow: hidden;
    }
    .nav-links a{
      font-size: 13px;
      color: rgba(21,22,26,.82);
      padding: 8px 10px;
      border-radius: 12px;
      transition: background .2s var(--ease), transform .2s var(--ease), color .2s var(--ease);
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(194,13,58,.08);
      color: var(--text);
      transform: translateY(-1px);
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      padding: 11px 14px;
      border-radius: 14px;
      border:1px solid rgba(20,18,28,.12);
      background: #fff;
      color: var(--text);
      font-weight: 650;
      font-size: 14px;
      gap: 10px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: 0 14px 30px rgba(16,24,40,.12); border-color: rgba(194,13,58,.25)}
    .btn:active{transform: translateY(0px)}
    .btn-primary{
      background: linear-gradient(135deg, var(--brand) 0%, #ff2f5e 55%, #ff5a82 100%);
      border-color: rgba(194,13,58,.4);
      color: #fff;
      box-shadow: 0 18px 40px rgba(194,13,58,.18);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 46px rgba(194,13,58,.24);
      border-color: rgba(255,255,255,.28);
    }
    .btn-ghost{
      background: rgba(255,255,255,.62);
    }

    .burger{
      display:none;
      width:42px; height:42px;
      border-radius: 14px;
      border:1px solid rgba(20,18,28,.12);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }
    .burger:hover{transform: translateY(-1px); box-shadow: 0 14px 26px rgba(16,24,40,.12)}
    .burger .lines{
      width:18px; height:14px; position:relative;
    }
    .burger .lines i{
      position:absolute; left:0; right:0; height:2px; background: var(--text);
      border-radius: 10px; transition: transform .2s var(--ease), top .2s var(--ease), opacity .2s var(--ease);
    }
    .burger .lines i:nth-child(1){top:1px}
    .burger .lines i:nth-child(2){top:6px}
    .burger .lines i:nth-child(3){top:11px}

    .burger[aria-expanded="true"] .lines i:nth-child(1){top:6px; transform: rotate(45deg)}
    .burger[aria-expanded="true"] .lines i:nth-child(2){opacity:0}
    .burger[aria-expanded="true"] .lines i:nth-child(3){top:6px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding: 0 0 14px 0;
    }
    .mobile-panel .panel{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.82);
      border-radius: 18px;
      padding: 12px;
      box-shadow: var(--shadow2);
    }
    .mobile-panel .panel a{
      display:flex; align-items:center; justify-content:space-between;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid transparent;
      color: rgba(21,22,26,.90);
      font-size: 13px;
      transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
    }
    .mobile-panel .panel a:hover{
      background: rgba(194,13,58,.08);
      border-color: rgba(194,13,58,.18);
      transform: translateY(-1px);
    }
    .mobile-panel .panel .row{display:flex; flex-direction:column; gap:8px}
    .mobile-panel .panel .cta-row{display:flex; gap:10px; margin-top:12px; flex-wrap:wrap}

    .hero{
      padding: 26px 0 18px 0;
      position: relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-card{
      border: 1px solid rgba(20,18,28,.10);
      background:
        radial-gradient(900px 520px at 0% 0%, rgba(255,59,106,.18), transparent 52%),
        radial-gradient(520px 320px at 95% 10%, rgba(123,28,255,.14), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.78) 0%, rgba(255,255,255,.62) 100%);
      border-radius: var(--radius2);
      padding: 22px;
      box-shadow: 0 22px 55px rgba(194,13,58,.10);
      position:relative;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(420px 260px at 18% 24%, rgba(255,59,106,.24), transparent 60%),
        radial-gradient(380px 260px at 86% 18%, rgba(26,163,255,.15), transparent 60%),
        linear-gradient(135deg, rgba(194,13,58,.18), rgba(123,28,255,.10), rgba(26,163,255,.10));
      opacity:.28;
      pointer-events:none;
      filter: blur(14px);
    }
    .hero-inner{position:relative; z-index:1}
    .eyebrow{
      display:inline-flex; align-items:center; gap:10px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.78);
      border:1px solid rgba(20,18,28,.10);
      color: rgba(21,22,26,.86);
      font-size: 12px;
      letter-spacing:.2px;
      margin-bottom: 12px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand) 0%, #ff2f5e 55%, #ff5a82 100%);
      box-shadow: 0 0 0 6px rgba(194,13,58,.14);
      animation: pulse 1.8s var(--ease) infinite;
    }
    @keyframes pulse{
      0%, 100% {transform: scale(1); opacity: .95}
      50% {transform: scale(1.08); opacity: .75}
    }

    h1{
      margin: 0;
      font-size: 34px;
      line-height: 1.12;
      letter-spacing: -0.6px;
    }
    .lead{
      margin: 12px 0 16px 0;
      color: var(--muted);
      font-size: 15.5px;
      line-height: 1.75;
      max-width: 60ch;
    }

    .hero-cta{
      display:flex; gap: 12px; flex-wrap: wrap;
      align-items:center;
      margin-top: 16px;
    }
    .mini-note{
      margin-top: 14px;
      color: var(--muted2);
      font-size: 12.5px;
      display:flex; gap:10px; flex-wrap: wrap; align-items:center;
    }
    .mini-badge{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.65);
    }
    .spark{
      width:16px; height:16px; border-radius:6px;
      background: rgba(194,13,58,.12);
      border:1px solid rgba(194,13,58,.22);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      font-weight:800; font-size:12px;
    }

    .hero-side{
      border: 1px solid rgba(20,18,28,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.58) 100%);
      border-radius: var(--radius2);
      padding: 18px;
      box-shadow: 0 18px 45px rgba(16,24,40,.08);
      position:relative;
      overflow:hidden;
    }
    .hero-side:after{
      content:"";
      position:absolute; right:-60px; top:-60px;
      width:220px; height:220px; border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(255,59,106,.35), rgba(255,59,106,.00) 60%);
      filter: blur(8px);
      opacity:.9;
      pointer-events:none;
    }
    .hero-side-inner{position:relative; z-index:1}
    .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:-.2px;
    }
    .chip{
      font-size: 12px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(194,13,58,.20);
      background: rgba(194,13,58,.08);
      color: rgba(194,13,58,.98);
      white-space:nowrap;
    }
    .metrics{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      margin-top: 12px;
    }
    .metric{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.72);
      border-radius: 16px;
      padding: 12px;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .metric:before{
      content:"";
      position:absolute; inset:-1px;
      background: radial-gradient(220px 120px at 10% 0%, rgba(255,59,106,.18), transparent 60%);
      opacity:.9; pointer-events:none;
    }
    .metric .in{position:relative; z-index:1}
    .metric strong{
      display:block; font-size: 18px; letter-spacing:-.4px;
    }
    .metric span{
      display:block; margin-top: 4px;
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.5;
    }

    .side-list{
      margin-top: 14px;
      display:flex; flex-direction:column; gap:10px;
    }
    .check{
      display:flex; gap:10px; align-items:flex-start;
      padding: 10px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.70);
    }
    .check i{
      width:18px; height:18px;
      border-radius: 7px;
      background: rgba(194,13,58,.12);
      border:1px solid rgba(194,13,58,.22);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      font-style:normal;
      flex: 0 0 auto;
      margin-top: 1px;
      font-weight:900;
      font-size: 12px;
    }
    .check div{min-width:0}
    .check b{
      display:block; font-size: 13.5px; letter-spacing:-.1px;
      margin-bottom: 2px;
    }
    .check p{
      margin:0;
      color: var(--muted);
      font-size: 12.8px;
      line-height: 1.55;
    }

    .section{
      padding: 22px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between;
      gap: 14px;
      margin-bottom: 12px;
    }
    .section-title h2{
      margin:0;
      font-size: 22px;
      letter-spacing:-.4px;
    }
    .section-title p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.6;
      max-width: 62ch;
    }

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

    .card{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 10px 26px rgba(16,24,40,.06);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
      min-width:0;
    }
    .card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 40px rgba(16,24,40,.10);
      border-color: rgba(194,13,58,.22);
    }

    .icon{
      width:42px; height:42px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(194,13,58,.14), rgba(255,59,106,.06));
      border: 1px solid rgba(194,13,58,.22);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      font-weight: 900;
      letter-spacing:-.3px;
      margin-bottom: 10px;
    }
    .card h3{
      margin: 0;
      font-size: 15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin: 8px 0 0 0;
      color: var(--muted);
      font-size: 13.3px;
      line-height: 1.7;
    }

    .timeline{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      align-items: stretch;
    }
    .step{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.76);
      border-radius: var(--radius);
      padding: 14px;
      position:relative;
      overflow:hidden;
    }
    .step:before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(260px 150px at 0% 0%, rgba(194,13,58,.14), transparent 60%),
        radial-gradient(240px 140px at 100% 0%, rgba(26,163,255,.10), transparent 60%);
      opacity:.75; pointer-events:none;
    }
    .step .in{position:relative; z-index:1}
    .num{
      display:flex; align-items:center; gap:10px;
      color: rgba(21,22,26,.88);
      font-weight: 800;
      margin-bottom: 8px;
      letter-spacing:-.4px;
    }
    .num i{
      width:34px; height:34px;
      border-radius: 14px;
      background: rgba(194,13,58,.10);
      border: 1px solid rgba(194,13,58,.22);
      display:flex; align-items:center; justify-content:center;
      font-style:normal;
      color: var(--brand);
    }
    .step h4{margin:0; font-size: 14.5px}
    .step p{margin:8px 0 0 0; color: var(--muted); font-size: 13.1px; line-height: 1.6}

    .compare-wrap{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.72);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 18px 45px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .rating-head{
      display:flex; align-items:flex-start; justify-content:space-between;
      gap: 12px; flex-wrap:wrap;
      margin-bottom: 12px;
      padding-bottom: 12px;
      border-bottom:1px dashed rgba(20,18,28,.14);
    }
    .rating-score{
      display:flex; gap: 14px; align-items:center;
    }
    .starbox{
      width:64px; height:64px;
      border-radius: 22px;
      background: linear-gradient(135deg, rgba(194,13,58,.18), rgba(255,59,106,.06));
      border:1px solid rgba(194,13,58,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 18px 40px rgba(194,13,58,.14);
    }
    .stars{
      letter-spacing: 2px;
      color: var(--brand);
      font-size: 14px;
      font-weight: 900;
      white-space:nowrap;
    }
    .rating-score strong{
      display:block; font-size: 26px; letter-spacing:-.8px;
    }
    .rating-score span{
      display:block; margin-top: 4px;
      color: var(--muted);
      font-size: 13px;
    }
    .badge-row{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
    }
    .badge{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.70);
      padding: 9px 10px;
      border-radius: 999px;
      font-size: 12.5px;
      color: rgba(21,22,26,.88);
    }
    .badge b{color: var(--brand)}
    .table{
      width:100%;
      border-collapse: collapse;
      overflow:auto;
      display:block;
      border-radius: 14px;
    }
    .table table{
      width:100%;
      min-width: 720px;
      border-collapse: collapse;
    }
    .table th, .table td{
      text-align:left;
      padding: 12px 12px;
      border-bottom:1px solid rgba(20,18,28,.10);
      font-size: 13px;
      color: rgba(21,22,26,.92);
      vertical-align: top;
    }
    .table th{
      background: rgba(194,13,58,.06);
      color: rgba(21,22,26,.95);
      font-weight: 800;
    }
    .table td{
      background: rgba(255,255,255,.62);
    }
    .good{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(194,13,58,.22);
      background: rgba(194,13,58,.08);
      color: rgba(194,13,58,.98);
      font-weight: 800;
      font-size: 12.5px;
      white-space:nowrap;
    }
    .good i{
      width:18px; height:18px;
      border-radius:7px;
      border:1px solid rgba(194,13,58,.22);
      background: rgba(194,13,58,.12);
      display:flex; align-items:center; justify-content:center;
      font-style:normal;
    }

    .network{
      display:grid;
      grid-template-columns: .95fr 1.05fr;
      gap: var(--grid-gap);
      align-items: start;
    }
    .pillcloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .pill{
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.72);
      font-size: 13px;
      color: rgba(21,22,26,.92);
      transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
      cursor: default;
    }
    .pill:hover{
      transform: translateY(-2px);
      border-color: rgba(194,13,58,.22);
      background: rgba(255,255,255,.92);
    }

    .form-card{
      border:1px solid rgba(20,18,28,.10);
      background:
        radial-gradient(640px 280px at 0% 0%, rgba(255,59,106,.16), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 22px 55px rgba(194,13,58,.08);
      overflow:hidden;
    }
    .form-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      margin-top: 12px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap: 8px;
      min-width:0;
    }
    .field label{
      font-size: 12.8px;
      color: rgba(21,22,26,.88);
      font-weight: 700;
    }
    .field input, .field select, .field textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(20,18,28,.12);
      background: rgba(255,255,255,.85);
      padding: 12px 12px;
      font-size: 14px;
      color: var(--text);
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
    }
    .field textarea{min-height: 118px; resize: vertical}
    .field input:hover, .field select:hover, .field textarea:hover{
      border-color: rgba(194,13,58,.22);
    }
    .field input::placeholder, .field textarea::placeholder{
      color: rgba(91,95,106,.65);
    }
    .span-2{grid-column: span 2;}
    .form-actions{
      display:flex; align-items:center; justify-content:space-between;
      gap: 12px; flex-wrap:wrap;
      margin-top: 12px;
    }
    .privacy{
      color: var(--muted2);
      font-size: 12.5px;
      line-height: 1.6;
      max-width: 52ch;
    }
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 20px;
      background: rgba(21,22,26,.92);
      color:#fff;
      border:1px solid rgba(255,255,255,.18);
      padding: 12px 14px;
      border-radius: 14px;
      box-shadow: 0 22px 50px rgba(0,0,0,.25);
      z-index: 999;
      display:none;
      max-width: calc(100vw - 24px);
    }
    .toast.show{display:block; animation: toastIn .28s var(--ease) both}
    @keyframes toastIn{
      from{opacity:0; transform: translateX(-50%) translateY(8px)}
      to{opacity:1; transform: translateX(-50%) translateY(0px)}
    }

    .faq{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: var(--grid-gap);
      align-items:start;
    }
    .faq-list{
      display:flex; flex-direction:column; gap:10px;
    }
    details.faq-item{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius);
      padding: 12px 12px;
      box-shadow: 0 10px 26px rgba(16,24,40,.06);
      overflow:hidden;
      transition: border-color .2s var(--ease), transform .2s var(--ease);
    }
    details.faq-item[open]{
      border-color: rgba(194,13,58,.25);
      transform: translateY(-2px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      font-weight: 850;
      font-size: 14px;
      letter-spacing: -0.1px;
      color: rgba(21,22,26,.95);
    }
    summary::-webkit-details-marker{display:none}
    .sum-left{
      display:flex; gap:10px; align-items:flex-start;
      min-width:0;
    }
    .qicon{
      width:28px; height:28px;
      border-radius: 12px;
      background: rgba(194,13,58,.10);
      border:1px solid rgba(194,13,58,.22);
      display:flex; align-items:center; justify-content:center;
      color: var(--brand);
      flex: 0 0 auto;
      margin-top: 1px;
      font-style:normal;
      font-weight: 900;
    }
    .chev{
      width:34px; height:34px;
      border-radius: 14px;
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      color: rgba(21,22,26,.80);
      transition: transform .22s var(--ease);
      flex: 0 0 auto;
    }
    details[open] .chev{transform: rotate(180deg)}
    .faq-answer{
      margin-top: 10px;
      color: var(--muted);
      font-size: 13.3px;
      line-height: 1.75;
      padding-right: 6px;
    }
    .faq-side{
      border:1px solid rgba(20,18,28,.10);
      background:
        radial-gradient(520px 240px at 0% 0%, rgba(255,59,106,.16), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.62));
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 18px 45px rgba(16,24,40,.06);
      position: sticky;
      top: 84px;
    }
    .faq-side h3{margin:0; font-size: 16px; letter-spacing:-.2px}
    .faq-side p{margin:8px 0 0 0; color: var(--muted); font-size: 13.2px; line-height: 1.7}
    .tagcloud{
      margin-top: 12px;
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .tag{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.72);
      border-radius: 999px;
      padding: 9px 10px;
      font-size: 12.8px;
      color: rgba(21,22,26,.88);
      transition: transform .2s var(--ease), border-color .2s var(--ease);
      cursor: default;
    }
    .tag:hover{transform: translateY(-2px); border-color: rgba(194,13,58,.22)}

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: var(--grid-gap);
    }
    .review{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 26px rgba(16,24,40,.06);
      min-width:0;
      transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .review:hover{transform: translateY(-3px); border-color: rgba(194,13,58,.22); box-shadow: 0 18px 40px rgba(16,24,40,.10)}
    .review .top{
      display:flex; align-items:center; gap:12px;
      margin-bottom: 10px;
    }
    .avatar{
      width:42px; height:42px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(194,13,58,.14), rgba(26,163,255,.10));
      border:1px solid rgba(20,18,28,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      color: var(--brand);
      letter-spacing:-.2px;
      flex: 0 0 auto;
    }
    .review b{display:block; font-size: 14px; letter-spacing:-.1px}
    .review small{display:block; margin-top: 3px; color: var(--muted); font-size: 12.5px}
    .review p{margin:0; color: var(--muted); font-size: 13.2px; line-height: 1.75}

    .cards-row{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
      align-items: stretch;
    }
    .mini-card{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.78);
      border-radius: 16px;
      padding: 12px;
      box-shadow: 0 10px 26px rgba(16,24,40,.06);
      transition: transform .2s var(--ease), border-color .2s var(--ease);
      min-width:0;
    }
    .mini-card:hover{transform: translateY(-2px); border-color: rgba(194,13,58,.22)}
    .mini-card h3{
      margin:0; font-size: 13.8px; letter-spacing:-.1px;
    }
    .mini-card p{
      margin:8px 0 0 0; color: var(--muted); font-size: 12.8px; line-height: 1.6;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: var(--grid-gap);
      align-items:start;
    }
    .case-main{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 18px 45px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .poster{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
      align-items: stretch;
    }
    .img-card{
      border:1px solid rgba(20,18,28,.10);
      border-radius: 18px;
      background: rgba(255,255,255,.75);
      overflow:hidden;
      min-width:0;
    }
    .img-wrap{
      padding: 12px;
    }
    .img-wrap img{
      width:100%;
      height:auto;
      display:block;
      border-radius: 14px;
      border:1px solid rgba(20,18,28,.08);
    }
    .img-card .cap{
      padding: 0 12px 12px 12px;
      color: rgba(21,22,26,.88);
      font-weight: 800;
      font-size: 13.5px;
      letter-spacing:-.1px;
    }
    .case-side{
      display:flex; flex-direction:column; gap: 12px;
    }

    .list-card{
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.78);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 18px 45px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .list-card h3{
      margin:0; font-size: 16px;
      letter-spacing:-.2px;
    }
    .linklist{
      margin-top: 12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .linkitem{
      display:flex; align-items:center; justify-content:space-between;
      gap: 12px;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.68);
      transition: transform .2s var(--ease), border-color .2s var(--ease);
    }
    .linkitem:hover{transform: translateY(-2px); border-color: rgba(194,13,58,.22)}
    .linkitem span{
      color: rgba(21,22,26,.92);
      font-weight: 800; font-size: 13.3px;
      min-width:0;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .linkitem em{
      color: var(--muted);
      font-style:normal;
      font-size: 12.5px;
      white-space:nowrap;
    }

    .anchors{
      display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px;
    }
    .anchor-pill{
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.72);
      color: rgba(21,22,26,.88);
      font-weight: 800;
      font-size: 12.8px;
      transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }
    .anchor-pill:hover{transform: translateY(-2px); border-color: rgba(194,13,58,.22); background: rgba(255,255,255,.95)}

    .section-divider{
      height:1px;
      background: linear-gradient(90deg, rgba(194,13,58,.22), rgba(20,18,28,.08), rgba(26,163,255,.18));
      margin: 6px 0 0 0;
    }

    .footer{
      background:
        radial-gradient(820px 300px at 10% 0%, rgba(255,59,106,.16), transparent 55%),
        radial-gradient(620px 280px at 90% 10%, rgba(26,163,255,.10), transparent 55%),
        linear-gradient(180deg, rgba(18,18,22,.92) 0%, rgba(12,12,16,.98) 100%);
      color: rgba(255,255,255,.92);
      margin-top: 18px;
      border-top: 1px solid rgba(255,255,255,.10);
    }
    .footer .container{padding: 26px var(--pad)}
    .foot-top{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items:start;
    }
    .foot-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .foot-logo{
      width:44px; height:44px;
      border-radius: 16px;
      background: rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      display:flex; align-items:center; justify-content:center;
    }
    .foot-logo span{
      width:28px; height:28px; border-radius: 12px;
      background: linear-gradient(135deg, rgba(255,59,106,.45), rgba(26,163,255,.22));
      border:1px solid rgba(255,255,255,.18);
      box-shadow: 0 18px 40px rgba(255,59,106,.18);
    }
    .foot-brand b{display:block; font-size: 15.5px; letter-spacing:-.2px}
    .foot-brand p{margin:8px 0 0 0; color: rgba(255,255,255,.74); font-size: 13.2px; line-height: 1.7; max-width: 62ch}
    .foot-links{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
    }
    .foot-col{
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      border-radius: 18px;
      padding: 14px;
    }
    .foot-col h3{
      margin:0 0 10px 0; font-size: 13.5px; letter-spacing:-.1px;
    }
    .foot-col a{
      display:block;
      padding: 8px 0;
      color: rgba(255,255,255,.76);
      font-size: 13.2px;
      border-radius: 12px;
      transition: color .2s var(--ease), transform .2s var(--ease);
    }
    .foot-col a:hover{color: #fff; transform: translateY(-1px)}
    .foot-bottom{
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,.10);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      flex-wrap:wrap;
    }
    .copy{
      color: rgba(255,255,255,.72);
      font-size: 12.8px;
    }
    .quick{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .quick a{
      color: rgba(255,255,255,.82);
      background: rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      padding: 10px 12px;
      border-radius: 999px;
      font-weight: 800;
      font-size: 12.8px;
      transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
    }
    .quick a:hover{
      transform: translateY(-2px);
      background: rgba(255,255,255,.10);
      border-color: rgba(255,59,106,.28);
    }

    .float-help{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap: 10px;
      align-items:flex-end;
    }
    .float-card{
      display:flex;
      align-items:center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 18px;
      border:1px solid rgba(20,18,28,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 45px rgba(16,24,40,.18);
      transform: translateY(8px);
      opacity: 0;
      pointer-events:none;
      transition: opacity .25s var(--ease), transform .25s var(--ease);
    }
    .float-card.show{
      opacity:1; transform: translateY(0px);
      pointer-events:auto;
    }
    .float-card img{
      width:38px; height:38px;
      border-radius: 14px;
      object-fit:cover;
      border:1px solid rgba(20,18,28,.10);
    }
    .float-card b{
      display:block; font-size: 13.5px; letter-spacing:-.1px;
    }
    .float-card span{
      display:block; color: var(--muted); font-size: 12.5px; margin-top: 2px;
    }
    .float-toggle{
      width:52px; height:52px;
      border-radius: 20px;
      border:1px solid rgba(194,13,58,.28);
      background: linear-gradient(135deg, rgba(194,13,58,.14), rgba(255,59,106,.06));
      box-shadow: 0 18px 40px rgba(194,13,58,.18);
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:center;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
    }
    .float-toggle:hover{
      transform: translateY(-2px);
      border-color: rgba(194,13,58,.42);
      box-shadow: 0 22px 52px rgba(194,13,58,.24);
    }

    .to-top{
      position: fixed;
      left: 14px;
      bottom: 14px;
      z-index: 80;
      width: 48px; height: 48px;
      border-radius: 18px;
      border:1px solid rgba(20,18,28,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 45px rgba(16,24,40,.18);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .2s var(--ease), opacity .2s var(--ease);
      opacity:0;
      pointer-events:none;
      transform: translateY(10px);
    }
    .to-top.show{
      opacity:1;
      pointer-events:auto;
      transform: translateY(0px);
    }

    .reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .5s var(--ease), transform .5s var(--ease);
    }
    .reveal.in{
      opacity:1;
      transform: translateY(0px);
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      h1{font-size: 30px}
      .nav-links{display:none}
      .burger{display:flex}
      .mobile-panel{display:block}
      .mobile-panel[data-open="false"]{display:none}
      .mobile-panel[data-open="true"]{display:block}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .timeline{grid-template-columns: 1fr 1fr}
      .faq{grid-template-columns: 1fr}
      .faq-side{position:relative; top:auto}
      .reviews{grid-template-columns: 1fr}
      .cards-row{grid-template-columns: 1fr 1fr}
      .case-grid{grid-template-columns: 1fr}
      .poster{grid-template-columns: 1fr}
      .network{grid-template-columns: 1fr}
      .foot-top{grid-template-columns: 1fr}
      .foot-links{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .span-2{grid-column: span 1}
    }