:root{
      --bg0:#fff8f3;
      --bg1:#ffffff;
      --text:#101828;
      --muted:#4b5563;
      --muted2:#6b7280;
      --line:rgba(16,24,40,.12);
      --card:#ffffff;
      --shadow:0 10px 30px rgba(16,24,40,.08);
      --shadow2:0 8px 20px rgba(16,24,40,.10);
      --accent:#f43f5e;
      --accent2:#7c3aed;
      --accent3:#0ea5e9;
      --good:#10b981;
      --warn:#f59e0b;
      --radius:18px;
      --radius2:14px;
      --container:1120px;
      --px:18px;
      --focus:0 0 0 4px rgba(14,165,233,.22);
    }
    *{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, "Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 18% -10%, rgba(244,63,94,.18), transparent 55%),
        radial-gradient(900px 520px at 88% 12%, rgba(124,58,237,.16), transparent 58%),
        radial-gradient(980px 560px at 55% 105%, rgba(14,165,233,.14), transparent 60%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 40%, #fff 100%);
    }
    a{color:inherit}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--px);
    }
    .skip-link{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:12px; top:12px; width:auto; height:auto; padding:10px 12px; background:#fff; border:1px solid var(--line); border-radius:12px; z-index:9999;
      box-shadow:var(--shadow2);
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(150%) blur(10px);
      background:rgba(255,255,255,.68);
      border-bottom:1px solid rgba(16,24,40,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width:180px;
    }
    .ai-page-logo{
      width:42px;
      height:auto;
      border-radius:12px;
      box-shadow:0 6px 18px rgba(244,63,94,.18);
    }
    .brand-text{display:flex; flex-direction:column; line-height:1.1}
    .brand-name{font-weight:820; letter-spacing:.2px}
    .brand-sub{font-size:12px; color:var(--muted2)}
    nav .nav-links{
      display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:8px 14px;
      margin:0;
      padding:0;
      list-style:none;
    }
    nav .nav-links a{
      text-decoration:none;
      font-size:13px;
      color:rgba(16,24,40,.86);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid transparent;
      transition:background .2s, border-color .2s, transform .2s;
      white-space:nowrap;
    }
    nav .nav-links a:hover{
      background:rgba(124,58,237,.08);
      border-color:rgba(124,58,237,.18);
      transform:translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; justify-content:flex-end; gap:10px; min-width:220px;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(16,24,40,.14);
      background:#fff;
      color:rgba(16,24,40,.92);
      padding:10px 14px;
      border-radius:14px;
      font-weight:720;
      font-size:13px;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:10px;
      cursor:pointer;
      transition:transform .2s, box-shadow .2s, border-color .2s, background .2s;
      box-shadow:0 8px 22px rgba(16,24,40,.05);
      user-select:none;
    }
    .btn:hover{transform:translateY(-1px); border-color:rgba(16,24,40,.22); box-shadow:0 10px 26px rgba(16,24,40,.08)}
    .btn:active{transform:translateY(0px)}
    .btn:focus{outline:none; box-shadow:var(--focus), 0 10px 26px rgba(16,24,40,.08)}
    .btn-primary{
      border-color:rgba(244,63,94,.25);
      background:linear-gradient(135deg, rgba(244,63,94,.98), rgba(124,58,237,.92));
      color:#fff;
      box-shadow:0 18px 44px rgba(124,58,237,.18);
    }
    .btn-primary:hover{
      box-shadow:0 22px 56px rgba(124,58,237,.22);
      border-color:rgba(244,63,94,.32);
    }
    .btn-ghost{
      background:rgba(255,255,255,.6);
      border-color:rgba(16,24,40,.12);
      box-shadow:none;
    }
    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background:rgba(255,255,255,.95);
      box-shadow:0 0 0 6px rgba(255,255,255,.18);
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 26px rgba(16,24,40,.06);
      align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .2s;
    }
    .mobile-toggle:active{transform:scale(.98)}
    .hamburger{
      width:18px; height:12px; position:relative;
    }
    .hamburger span{
      position:absolute; left:0; right:0;
      height:2px; background:rgba(16,24,40,.86); border-radius:2px;
      transition:transform .22s, top .22s, opacity .22s;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(1){top:5px; transform:rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(3){top:5px; transform:rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding-bottom:14px;
    }
    .mobile-panel .mobile-links{
      display:flex; flex-direction:column; gap:10px;
      padding:12px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.86);
      border-radius:18px;
      box-shadow:0 14px 40px rgba(16,24,40,.08);
    }
    .mobile-panel .mobile-links a{
      text-decoration:none;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.10);
      background:#fff;
      font-weight:700;
      font-size:14px;
      transition:transform .2s, border-color .2s, background .2s;
    }
    .mobile-panel .mobile-links a:hover{transform:translateY(-1px); border-color:rgba(124,58,237,.22); background:rgba(124,58,237,.06)}
    .mobile-panel .mobile-ctas{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}

    main{padding:18px 0 30px}
    section{padding:54px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .eyebrow{
      display:inline-flex; align-items:center; gap:10px;
      font-weight:800;
      color:rgba(16,24,40,.92);
      background:rgba(255,255,255,.7);
      border:1px solid rgba(16,24,40,.10);
      padding:10px 12px;
      border-radius:999px;
      box-shadow:0 10px 26px rgba(16,24,40,.05);
    }
    .eyebrow i{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow:0 0 0 6px rgba(244,63,94,.12);
    }
    h1{
      margin:12px 0 10px;
      font-size:40px;
      line-height:1.08;
      letter-spacing:-.7px;
    }
    .lead{
      margin:0;
      color:rgba(16,24,40,.72);
      font-size:16px;
      line-height:1.7;
      max-width:62ch;
    }

    .hero{
      padding:22px 0 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      border:1px solid rgba(16,24,40,.10);
      border-radius:24px;
      background:
        radial-gradient(600px 340px at 12% 10%, rgba(244,63,94,.16), transparent 55%),
        radial-gradient(520px 320px at 84% 18%, rgba(124,58,237,.16), transparent 60%),
        radial-gradient(520px 320px at 55% 105%, rgba(14,165,233,.12), transparent 60%),
        rgba(255,255,255,.74);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
      padding:22px;
    }
    .hero-card::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        linear-gradient(135deg, rgba(244,63,94,.22), rgba(124,58,237,.18), rgba(14,165,233,.16));
      filter:blur(18px);
      opacity:.18;
      pointer-events:none;
    }
    .hero-content{position:relative; z-index:1}
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top:18px;
    }
    .micro-row{
      display:flex;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
      margin-top:16px;
      color:rgba(16,24,40,.72);
      font-size:13px;
    }
    .micro-chip{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(16,24,40,.10);
      border-radius:999px;
    }
    .micro-chip svg{flex:0 0 auto}
    .hero-side{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .side-panel{
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.76);
      box-shadow:0 12px 34px rgba(16,24,40,.06);
      padding:16px;
      overflow:hidden;
      position:relative;
    }
    .side-panel::before{
      content:"";
      position:absolute;
      width:220px; height:220px;
      right:-90px; top:-110px;
      background:conic-gradient(from 180deg, rgba(244,63,94,.22), rgba(124,58,237,.20), rgba(14,165,233,.18), rgba(244,63,94,.22));
      border-radius:50%;
      filter:blur(18px);
      opacity:.55;
      pointer-events:none;
    }
    .side-panel > *{position:relative; z-index:1}
    .data-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .data-card{
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.78);
      padding:14px 12px;
      transition:transform .25s, box-shadow .25s, border-color .25s;
      box-shadow:0 10px 26px rgba(16,24,40,.05);
    }
    .data-card:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 40px rgba(16,24,40,.10);
      border-color:rgba(124,58,237,.20);
    }
    .data-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .pill{
      font-size:12px;
      font-weight:820;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background:rgba(255,255,255,.9);
    }
    .pill.p1{color:rgba(244,63,94,.98); border-color:rgba(244,63,94,.22); background:rgba(244,63,94,.08)}
    .pill.p2{color:rgba(124,58,237,.98); border-color:rgba(124,58,237,.22); background:rgba(124,58,237,.08)}
    .pill.p3{color:rgba(14,165,233,.98); border-color:rgba(14,165,233,.22); background:rgba(14,165,233,.08)}
    .pill.p4{color:rgba(16,185,129,.98); border-color:rgba(16,185,129,.22); background:rgba(16,185,129,.08)}
    .num{
      margin-top:10px;
      font-size:22px;
      font-weight:900;
      letter-spacing:-.3px;
    }
    .desc{margin-top:6px; font-size:12.5px; color:rgba(16,24,40,.66); line-height:1.5}
    .mini-steps{
      display:flex; flex-direction:column; gap:10px; margin-top:12px;
    }
    .mini-step{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.8);
      transition:transform .25s, border-color .25s;
    }
    .mini-step:hover{transform:translateY(-1px); border-color:rgba(244,63,94,.22)}
    .step-idx{
      width:30px; height:30px; border-radius:12px;
      background:linear-gradient(135deg, rgba(244,63,94,.16), rgba(124,58,237,.16));
      border:1px solid rgba(124,58,237,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:900; color:rgba(16,24,40,.92);
      flex:0 0 auto;
    }
    .mini-step b{display:block; font-size:13px}
    .mini-step span{display:block; margin-top:3px; font-size:12.5px; color:rgba(16,24,40,.68); line-height:1.45}

    .cards-3{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:14px;
    }
    .card{
      border-radius:var(--radius);
      background:rgba(255,255,255,.78);
      border:1px solid rgba(16,24,40,.10);
      box-shadow:0 12px 34px rgba(16,24,40,.06);
      padding:18px;
      transition:transform .25s, box-shadow .25s, border-color .25s;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:0 18px 56px rgba(16,24,40,.10);
      border-color:rgba(124,58,237,.20);
    }
    .card::after{
      content:"";
      position:absolute;
      right:-60px; top:-60px;
      width:140px; height:140px;
      background:radial-gradient(circle at 30% 30%, rgba(244,63,94,.22), transparent 55%),
                 radial-gradient(circle at 70% 70%, rgba(124,58,237,.20), transparent 55%);
      opacity:.6;
      pointer-events:none;
      transform:rotate(10deg);
    }
    .card > *{position:relative; z-index:1}
    .card h3{
      margin:10px 0 8px;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:rgba(16,24,40,.68);
      font-size:13.5px;
      line-height:1.7;
    }
    .feature-icon{
      width:40px; height:40px;
      border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(16,24,40,.10);
      background:linear-gradient(135deg, rgba(244,63,94,.10), rgba(124,58,237,.10));
      box-shadow:0 12px 26px rgba(16,24,40,.05);
    }
    .feature-icon svg{width:20px; height:20px}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:16px;
      align-items:start;
    }
    .list{
      margin:0; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.82);
      transition:transform .25s, border-color .25s;
    }
    .li:hover{transform:translateY(-2px); border-color:rgba(14,165,233,.22)}
    .check{
      width:26px; height:26px; border-radius:12px;
      background:rgba(16,185,129,.10);
      border:1px solid rgba(16,185,129,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }
    .li b{display:block; font-size:14px}
    .li span{display:block; margin-top:3px; font-size:13px; color:rgba(16,24,40,.68); line-height:1.55}

    .steps{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:12px;
    }
    .step{
      border-radius:var(--radius);
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.78);
      padding:16px;
      box-shadow:0 10px 28px rgba(16,24,40,.05);
      position:relative;
      overflow:hidden;
      transition:transform .25s, box-shadow .25s, border-color .25s;
      min-height:150px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .step:hover{transform:translateY(-3px); border-color:rgba(244,63,94,.22); box-shadow:0 16px 44px rgba(16,24,40,.10)}
    .step .top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      border-radius:999px;
      padding:8px 10px;
      background:rgba(244,63,94,.08);
      border:1px solid rgba(244,63,94,.20);
      font-weight:900;
      font-size:12px;
      color:rgba(244,63,94,.98);
      white-space:nowrap;
    }
    .step:nth-child(2) .badge{background:rgba(124,58,237,.08); border-color:rgba(124,58,237,.20); color:rgba(124,58,237,.98)}
    .step:nth-child(3) .badge{background:rgba(14,165,233,.08); border-color:rgba(14,165,233,.20); color:rgba(14,165,233,.98)}
    .step:nth-child(4) .badge{background:rgba(16,185,129,.08); border-color:rgba(16,185,129,.20); color:rgba(16,185,129,.98)}
    .step h3{margin:12px 0 8px; font-size:15px}
    .step p{margin:0; font-size:13.2px; color:rgba(16,24,40,.68); line-height:1.6}
    .step .hint{
      margin-top:10px;
      font-size:12.3px;
      color:rgba(16,24,40,.62);
      display:flex; align-items:center; gap:10px;
    }
    .hint .line{
      height:1px; flex:1 1 auto; background:rgba(16,24,40,.10);
    }

    .comparison{
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.76);
      box-shadow:0 14px 44px rgba(16,24,40,.07);
      overflow:hidden;
    }
    .comparison .table-wrap{overflow:auto}
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      min-width:780px;
      font-size:13.5px;
    }
    thead th{
      text-align:left;
      padding:14px 16px;
      background:linear-gradient(135deg, rgba(244,63,94,.12), rgba(124,58,237,.10));
      border-bottom:1px solid rgba(16,24,40,.10);
      font-weight:900;
      color:rgba(16,24,40,.92);
      white-space:nowrap;
    }
    tbody td{
      padding:12px 16px;
      border-bottom:1px solid rgba(16,24,40,.08);
      color:rgba(16,24,40,.76);
      vertical-align:top;
    }
    tbody tr:last-child td{border-bottom:none}
    .td-strong{font-weight:900; color:rgba(16,24,40,.92)}
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background:rgba(255,255,255,.78);
      font-weight:800;
      font-size:12.5px;
      margin-right:10px;
      margin-bottom:8px;
      white-space:nowrap;
    }
    .tag.good{border-color:rgba(16,185,129,.22); background:rgba(16,185,129,.08); color:rgba(16,185,129,.98)}
    .tag.mid{border-color:rgba(245,158,11,.24); background:rgba(245,158,11,.10); color:rgba(245,158,11,.98)}
    .tag.bad{border-color:rgba(244,63,94,.22); background:rgba(244,63,94,.08); color:rgba(244,63,94,.98)}

    .rating-wrap{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      margin-top:14px;
      align-items:start;
    }
    .rating-card{
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 14px 44px rgba(16,24,40,.07);
      padding:18px;
      overflow:hidden;
      position:relative;
    }
    .rating-card::before{
      content:"";
      position:absolute; inset:auto -60px -80px auto;
      width:260px; height:260px;
      background:radial-gradient(circle at 30% 30%, rgba(244,63,94,.20), transparent 55%),
                 radial-gradient(circle at 70% 70%, rgba(124,58,237,.18), transparent 58%);
      filter:blur(16px);
      opacity:.7;
      pointer-events:none;
    }
    .rating-card > *{position:relative; z-index:1}
    .stars{
      display:flex; gap:8px; align-items:center; margin:6px 0 10px;
      flex-wrap:wrap;
    }
    .star{
      width:20px; height:20px;
      display:inline-flex; align-items:center; justify-content:center;
      color:rgba(245,158,11,.98);
      filter:drop-shadow(0 8px 18px rgba(245,158,11,.18));
    }
    .score{
      font-size:34px;
      font-weight:950;
      letter-spacing:-.7px;
      margin:0;
      line-height:1.05;
    }
    .score-sub{color:rgba(16,24,40,.66); margin:8px 0 0; font-size:13.5px; line-height:1.6}
    .side-bullets{
      margin-top:12px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .bullet{
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.86);
      padding:12px 12px;
      min-height:68px;
      transition:transform .25s, border-color .25s;
    }
    .bullet:hover{transform:translateY(-2px); border-color:rgba(14,165,233,.22)}
    .bullet b{display:block; font-size:13.5px}
    .bullet span{display:block; margin-top:4px; font-size:12.8px; color:rgba(16,24,40,.68); line-height:1.4}

    .tabs{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:10px;
    }
    .tab{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background:rgba(255,255,255,.78);
      font-weight:900;
      font-size:13px;
      cursor:pointer;
      transition:transform .2s, border-color .2s, background .2s;
      user-select:none;
    }
    .tab:hover{transform:translateY(-1px); border-color:rgba(124,58,237,.20)}
    .tab[aria-selected="true"]{
      background:linear-gradient(135deg, rgba(244,63,94,.14), rgba(124,58,237,.12));
      border-color:rgba(124,58,237,.26);
      color:rgba(16,24,40,.92);
    }
    .panel-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      margin-top:14px;
    }
    .panel{
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 14px 44px rgba(16,24,40,.07);
      padding:18px;
    }
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .tc{
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background:rgba(255,255,255,.86);
      padding:10px 12px;
      font-size:13px;
      font-weight:860;
      color:rgba(16,24,40,.78);
      transition:transform .2s, border-color .2s;
      user-select:none;
    }
    .tc:hover{transform:translateY(-2px); border-color:rgba(244,63,94,.24)}
    .price-row{
      display:flex; gap:12px; flex-wrap:wrap; align-items:flex-start; margin-top:10px;
    }
    .price-pill{
      flex:1 1 180px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.86);
      padding:14px 12px;
    }
    .price-pill .k{
      color:rgba(16,24,40,.66);
      font-weight:850;
      font-size:12.8px;
    }
    .price-pill .v{
      margin-top:8px;
      font-size:22px;
      font-weight:950;
      letter-spacing:-.4px;
    }
    .price-pill .s{
      margin-top:6px;
      color:rgba(16,24,40,.66);
      font-size:12.8px;
      line-height:1.45;
    }

    .case-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:14px;
      margin-top:14px;
    }
    .case{
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 14px 44px rgba(16,24,40,.06);
      padding:16px;
      display:flex;
      flex-direction:column;
      gap:12px;
      overflow:hidden;
      transition:transform .25s, box-shadow .25s, border-color .25s;
      min-height:260px;
    }
    .case:hover{transform:translateY(-3px); box-shadow:0 18px 56px rgba(16,24,40,.10); border-color:rgba(14,165,233,.22)}
    .case .cover{
      border-radius:20px;
      border:1px solid rgba(16,24,40,.10);
      background:
        radial-gradient(240px 140px at 25% 15%, rgba(244,63,94,.22), transparent 60%),
        radial-gradient(220px 120px at 80% 30%, rgba(124,58,237,.20), transparent 62%),
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.70));
      padding:14px;
      position:relative;
      overflow:hidden;
      min-height:108px;
    }
    .cover .stamp{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background:rgba(255,255,255,.85);
      font-weight:950;
      font-size:12.5px;
      color:rgba(16,24,40,.88);
    }
    .cover .spark{
      position:absolute; right:-18px; bottom:-18px;
      width:84px; height:84px; border-radius:26px;
      background:conic-gradient(from 180deg, rgba(244,63,94,.22), rgba(124,58,237,.20), rgba(14,165,233,.18), rgba(244,63,94,.22));
      filter:blur(14px);
      opacity:.75;
      transform:rotate(8deg);
      pointer-events:none;
    }
    .case h3{margin:0; font-size:16px}
    .case p{margin:0; color:rgba(16,24,40,.68); font-size:13.5px; line-height:1.65}
    .case .meta{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap:8px;
    }

    .articles{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
      align-items:start;
      margin-top:14px;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px 14px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.80);
      transition:transform .25s, border-color .25s, box-shadow .25s;
      box-shadow:0 10px 26px rgba(16,24,40,.05);
    }
    .article-item:hover{transform:translateY(-2px); border-color:rgba(244,63,94,.22); box-shadow:0 16px 44px rgba(16,24,40,.10)}
    .article-dot{
      width:12px; height:12px; border-radius:50%;
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow:0 0 0 7px rgba(244,63,94,.10);
      margin-top:4px;
      flex:0 0 auto;
    }
    .article-item b{display:block; font-size:14.3px; line-height:1.35}
    .article-item span{display:block; margin-top:6px; font-size:12.8px; color:rgba(16,24,40,.66); line-height:1.45}
    .side-media{
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 14px 44px rgba(16,24,40,.07);
      overflow:hidden;
    }
    .side-media img{
      width:100%; height:auto; display:block;
    }
    .side-media .cap{
      padding:14px 14px 16px;
    }
    .side-media .cap h3{margin:0; font-size:16px}
    .side-media .cap p{margin:8px 0 0; color:rgba(16,24,40,.68); font-size:13.5px; line-height:1.65}

    form{
      margin-top:10px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .field{display:flex; flex-direction:column; gap:8px}
    label{
      font-size:12.8px;
      color:rgba(16,24,40,.70);
      font-weight:900;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(16,24,40,.12);
      background:rgba(255,255,255,.9);
      color:rgba(16,24,40,.92);
      font-size:14px;
      outline:none;
      transition:box-shadow .2s, border-color .2s;
    }
    textarea{min-height:110px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      border-color:rgba(14,165,233,.35);
      box-shadow:var(--focus);
    }
    .span-2{grid-column:1 / -1}
    .form-actions{
      grid-column:1 / -1;
      display:flex; gap:12px; flex-wrap:wrap; align-items:center; justify-content:space-between;
      margin-top:4px;
    }
    .privacy{
      color:rgba(16,24,40,.62);
      font-size:12.6px;
      line-height:1.5;
      max-width:48ch;
    }

    .faq{
      margin-top:14px;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    details{
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.80);
      box-shadow:0 10px 26px rgba(16,24,40,.04);
      padding:0;
      overflow:hidden;
      transition:border-color .2s, transform .2s;
    }
    details[open]{border-color:rgba(124,58,237,.24); transform:translateY(-2px)}
    summary{
      cursor:pointer;
      list-style:none;
      padding:14px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:900;
      font-size:14px;
      color:rgba(16,24,40,.92);
    }
    summary::-webkit-details-marker{display:none}
    .sum-left{display:flex; align-items:center; gap:12px}
    .qmark{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(16,24,40,.12);
      background:linear-gradient(135deg, rgba(244,63,94,.10), rgba(124,58,237,.10));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .chev{
      width:12px; height:12px; border-right:2px solid rgba(16,24,40,.52); border-bottom:2px solid rgba(16,24,40,.52);
      transform:rotate(45deg);
      transition:transform .2s;
      margin-right:6px;
      flex:0 0 auto;
    }
    details[open] .chev{transform:rotate(-135deg)}
    .faq-body{
      padding:0 14px 14px;
      color:rgba(16,24,40,.70);
      font-size:13.5px;
      line-height:1.75;
    }

    .reviews{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:14px;
      margin-top:14px;
    }
    .review{
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.80);
      box-shadow:0 14px 44px rgba(16,24,40,.06);
      padding:16px;
      transition:transform .25s, box-shadow .25s, border-color .25s;
      min-height:210px;
      display:flex;
      flex-direction:column;
      gap:10px;
      position:relative;
      overflow:hidden;
    }
    .review:hover{transform:translateY(-3px); box-shadow:0 18px 56px rgba(16,24,40,.10); border-color:rgba(244,63,94,.22)}
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .avatar{
      width:42px; height:42px;
      border-radius:16px;
      border:1px solid rgba(16,24,40,.12);
      background:linear-gradient(135deg, rgba(244,63,94,.12), rgba(124,58,237,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:rgba(16,24,40,.88);
      flex:0 0 auto;
      box-shadow:0 10px 24px rgba(16,24,40,.06);
    }
    .who b{display:block; font-size:14px}
    .who span{display:block; margin-top:4px; font-size:12.8px; color:rgba(16,24,40,.66)}
    .review p{
      margin:0;
      color:rgba(16,24,40,.70);
      font-size:13.5px;
      line-height:1.75;
    }
    .review .marks{
      display:flex; gap:8px; flex-wrap:wrap; margin-top:auto;
    }
    .mark{
      border-radius:999px;
      border:1px solid rgba(16,24,40,.12);
      background:rgba(255,255,255,.86);
      padding:8px 10px;
      font-size:12.3px;
      font-weight:900;
      color:rgba(16,24,40,.74);
    }
    .mark.red{border-color:rgba(244,63,94,.22); background:rgba(244,63,94,.08); color:rgba(244,63,94,.98)}
    .mark.purple{border-color:rgba(124,58,237,.22); background:rgba(124,58,237,.08); color:rgba(124,58,237,.98)}
    .mark.blue{border-color:rgba(14,165,233,.22); background:rgba(14,165,233,.08); color:rgba(14,165,233,.98)}
    .mark.green{border-color:rgba(16,185,129,.22); background:rgba(16,185,129,.08); color:rgba(16,185,129,.98)}

    .timeline{
      display:flex; flex-direction:column; gap:12px; margin-top:14px;
    }
    .time-item{
      display:grid; grid-template-columns: 130px 1fr; gap:12px; align-items:start;
      padding:14px 14px;
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.80);
      box-shadow:0 10px 26px rgba(16,24,40,.05);
      transition:transform .25s, border-color .25s;
    }
    .time-item:hover{transform:translateY(-2px); border-color:rgba(14,165,233,.22)}
    .time-left{
      display:flex; gap:12px; align-items:flex-start;
    }
    .t-dot{
      width:14px; height:14px; border-radius:50%;
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      margin-top:4px;
      box-shadow:0 0 0 7px rgba(244,63,94,.10);
      flex:0 0 auto;
    }
    .time-left b{display:block; font-size:13.5px}
    .time-left span{display:block; margin-top:6px; font-size:12.8px; color:rgba(16,24,40,.64)}
    .time-right b{display:block; font-size:14.3px}
    .time-right p{margin:8px 0 0; color:rgba(16,24,40,.68); font-size:13.5px; line-height:1.7}

    .net-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:14px;
      margin-top:14px;
      align-items:start;
    }
    .net-map{
      border-radius:24px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.78);
      box-shadow:0 14px 44px rgba(16,24,40,.07);
      padding:16px;
      position:relative;
      overflow:hidden;
    }
    .net-map::after{
      content:"";
      position:absolute; inset:-80px -80px auto auto;
      width:300px; height:300px; border-radius:90px;
      background:conic-gradient(from 120deg, rgba(14,165,233,.18), rgba(124,58,237,.20), rgba(244,63,94,.18), rgba(14,165,233,.18));
      filter:blur(22px);
      opacity:.65;
      pointer-events:none;
    }
    .net-map > *{position:relative; z-index:1}
    .route{
      display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:12px;
    }
    .route-card{
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.86);
      padding:14px 12px;
    }
    .route-card b{display:block; font-size:13.8px}
    .route-card span{display:block; margin-top:6px; font-size:12.8px; color:rgba(16,24,40,.66); line-height:1.45}

    footer{
      background:rgba(16,24,40,.96);
      color:#fff;
      padding:26px 0 22px;
      margin-top:10px;
      border-top:1px solid rgba(255,255,255,.12);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:16px;
      align-items:start;
    }
    .foot-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .foot-logo{
      width:44px; height:44px;
      border-radius:16px;
      background:linear-gradient(135deg, rgba(244,63,94,.22), rgba(124,58,237,.20));
      border:1px solid rgba(255,255,255,.16);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      box-shadow:0 18px 44px rgba(124,58,237,.24);
    }
    .foot-brand b{display:block; font-size:15px}
    .foot-brand span{display:block; margin-top:6px; color:rgba(255,255,255,.76); font-size:13px; line-height:1.65}
    .foot-links{
      display:flex; flex-direction:column; gap:10px;
    }
    .foot-links .row{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }
    .foot-links a{
      text-decoration:none;
      color:rgba(255,255,255,.88);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      font-weight:850;
      font-size:12.8px;
      transition:transform .2s, border-color .2s, background .2s;
    }
    .foot-links a:hover{
      transform:translateY(-1px);
      border-color:rgba(255,255,255,.22);
      background:rgba(255,255,255,.10);
    }
    .copyright{
      margin-top:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.72);
      font-size:12.5px;
    }

    .float-tools{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:60;
      display:flex;
      flex-direction:column;
      gap:10px;
      pointer-events:none;
    }
    .float-tools a{
      pointer-events:auto;
    }
    .float-btn{
      width:52px; height:52px;
      border-radius:18px;
      border:1px solid rgba(16,24,40,.10);
      background:rgba(255,255,255,.9);
      box-shadow:0 18px 56px rgba(16,24,40,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .2s, box-shadow .2s, border-color .2s;
      text-decoration:none;
    }
    .float-btn:hover{transform:translateY(-2px); border-color:rgba(124,58,237,.22); box-shadow:0 22px 70px rgba(16,24,40,.18)}
    .float-btn:focus{outline:none; box-shadow:var(--focus), 0 18px 56px rgba(16,24,40,.14)}
    .float-btn svg{width:20px; height:20px}
    .kefu-tip{
      position:absolute;
      right:62px; bottom:6px;
      background:#0b1220;
      color:#fff;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 56px rgba(0,0,0,.18);
      font-size:12.5px;
      width:max-content;
      opacity:0;
      transform:translateX(6px);
      pointer-events:none;
      transition:opacity .2s, transform .2s;
    }
    .float-kefu:hover .kefu-tip{opacity:1; transform:translateX(0)}
    .kefu-tip b{display:block; font-size:12.8px; margin-bottom:4px}
    .kefu-tip span{color:rgba(255,255,255,.76); line-height:1.4}

    .reveal{
      opacity:0;
      transform:translateY(10px);
      transition:opacity .55s ease, transform .55s ease;
    }
    .reveal.in{
      opacity:1;
      transform:translateY(0);
    }

    @media (max-width: 980px){
      h1{font-size:34px}
      .hero-grid{grid-template-columns:1fr; }
      .nav-cta{min-width:auto}
      nav .nav-links{display:none}
      .mobile-toggle{display:flex}
      .mobile-panel{display:block}
      .cards-3{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr 1fr}
      .two-col{grid-template-columns:1fr}
      .panel-grid{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .articles{grid-template-columns:1fr}
      .faq{grid-template-columns:1fr}
      .rating-wrap{grid-template-columns:1fr}
      .net-grid{grid-template-columns:1fr}
      .time-item{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      table{min-width:640px}
      form{grid-template-columns:1fr}
      .span-2{grid-column:1}
      .side-bullets{grid-template-columns:1fr}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .card, .data-card, .step, .article-item, .case, .review, .li, details, .tab{transition:none}
    }