:root{
      --bg0:#ffffff;
      --bg1:#faf7ff;
      --bg2:#f5f7ff;
      --text:#1f2937;
      --muted:#6b7280;
      --muted2:#4b5563;
      --border:rgba(17,24,39,.12);
      --shadow: 0 14px 35px rgba(15,23,42,.08);
      --shadow2: 0 10px 24px rgba(15,23,42,.10);
      --ring: rgba(99,102,241,.35);
      --brandA:#6d28d9;
      --brandB:#2563eb;
      --brandC:#06b6d4;
      --brandD:#10b981;
      --brandE:#f59e0b;
      --btn:#111827;
      --btnText:#ffffff;
      --card:#ffffff;
      --grad: linear-gradient(90deg, rgba(109,40,217,1), rgba(37,99,235,1), rgba(6,182,212,1), rgba(16,185,129,1), rgba(245,158,11,1));
      --gradSoft: linear-gradient(180deg, rgba(109,40,217,.10), rgba(37,99,235,.08), rgba(6,182,212,.06), rgba(16,185,129,.06));
      --gradLine: linear-gradient(90deg, rgba(109,40,217,.65), rgba(37,99,235,.65), rgba(6,182,212,.65), rgba(16,185,129,.65));
      --radius: 18px;
      --radius2: 14px;
      --container: 1120px;
      --padX: 20px;
      --ease: cubic-bezier(.2,.8,.2,1);
    }
    *{ box-sizing:border-box; }
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Noto Sans", sans-serif;
      background:
        radial-gradient(900px 420px at 15% 0%, rgba(109,40,217,.13), transparent 55%),
        radial-gradient(900px 420px at 85% 0%, rgba(37,99,235,.11), transparent 55%),
        radial-gradient(900px 520px at 60% 25%, rgba(6,182,212,.10), transparent 60%),
        linear-gradient(180deg, var(--bg1), var(--bg0) 42%, var(--bg2));
      color:var(--text);
      overflow-x:hidden;
    }
    a{ color:inherit; text-decoration:none; }
    .container{
      width: min(var(--container), calc(100% - 2*var(--padX)));
      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:#fff; border:1px solid var(--border); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow2);
    }
    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.65);
      border-bottom: 1px solid rgba(17,24,39,.06);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 16px;
      padding: 14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap: 12px;
      min-width: 180px;
    }
    .logo{
      width: 44px;
      height: 44px;
      border-radius: 14px;
      overflow:hidden;
      background: #fff;
      border: 1px solid rgba(17,24,39,.08);
      box-shadow: 0 10px 20px rgba(16,24,40,.06);
      flex: 0 0 auto;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .ai-page-logo{
      max-width:100%;
      height:auto;
      display:block;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-name{
      font-weight: 800;
      letter-spacing:.2px;
      font-size: 15px;
    }
    .brand-sub{
      font-size: 12px;
      color: var(--muted);
      margin-top: 4px;
      white-space:nowrap;
    }
    nav{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap: 10px;
      flex: 1 1 auto;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap: 14px;
      flex-wrap:wrap;
    }
    .nav-link{
      padding: 10px 10px;
      border-radius: 12px;
      font-size: 13px;
      color: rgba(17,24,39,.86);
      border: 1px solid transparent;
      transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
      white-space:nowrap;
    }
    .nav-link:hover{
      transform: translateY(-1px);
      background: rgba(99,102,241,.06);
      border-color: rgba(99,102,241,.22);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap: 10px;
      margin-left: 6px;
    }
    .btn{
      border: 1px solid rgba(17,24,39,.12);
      border-radius: 14px;
      padding: 11px 14px;
      font-weight: 700;
      font-size: 13px;
      background:#fff;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 10px;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 24px rgba(15,23,42,.10);
      border-color: rgba(17,24,39,.18);
      background: #fff;
    }
    .btn-primary{
      background: var(--btn);
      color: var(--btnText);
      border-color: rgba(17,24,39,.18);
      box-shadow: 0 16px 30px rgba(17,24,39,.18);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 36px rgba(17,24,39,.22);
      background:#0b1220;
      transform: translateY(-1px);
    }
    .btn-ghost{
      background: rgba(255,255,255,.7);
    }
    .icon-dot{
      width:10px; height:10px; border-radius:50%;
      background: var(--gradLine);
      box-shadow: 0 0 0 6px rgba(99,102,241,.10);
    }
    .hamburger{
      display:none;
      border-radius: 14px;
      padding: 10px 12px;
      border: 1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.85);
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease);
      align-items:center;
      justify-content:center;
      gap: 10px;
    }
    .hamburger:hover{ transform: translateY(-1px); box-shadow: 0 12px 24px rgba(15,23,42,.10); }
    .hamburger-bars{
      width: 18px; height: 12px; position:relative;
    }
    .hamburger-bars span{
      position:absolute; left:0; right:0;
      height:2px; background: rgba(17,24,39,.85); border-radius:999px;
      transition: transform .2s var(--ease), top .2s var(--ease), opacity .2s var(--ease);
    }
    .hamburger-bars span:nth-child(1){ top:0; }
    .hamburger-bars span:nth-child(2){ top:5px; }
    .hamburger-bars span:nth-child(3){ top:10px; }
    .hamburger[aria-expanded="true"] .hamburger-bars span:nth-child(1){ top:5px; transform: rotate(45deg); }
    .hamburger[aria-expanded="true"] .hamburger-bars span:nth-child(2){ opacity:0; }
    .hamburger[aria-expanded="true"] .hamburger-bars span:nth-child(3){ top:5px; transform: rotate(-45deg); }
    .mobile-panel{
      display:none;
      padding-bottom: 16px;
    }
    .mobile-panel-inner{
      border:1px solid rgba(17,24,39,.10);
      border-radius: 18px;
      background: rgba(255,255,255,.85);
      box-shadow: 0 18px 45px rgba(15,23,42,.10);
      padding: 12px;
    }
    .mobile-links{
      display:flex;
      flex-direction:column;
      gap: 6px;
      padding: 2px;
    }
    .mobile-links .nav-link{
      padding: 12px 12px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.75);
    }
    .mobile-actions{
      display:flex;
      gap: 10px;
      margin-top: 12px;
      flex-wrap:wrap;
    }

    .hero{
      padding: 34px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      align-items:stretch;
    }
    .hero-left{
      border-radius: 24px;
      padding: 26px 22px;
      background:
        radial-gradient(750px 320px at 10% 0%, rgba(109,40,217,.16), transparent 52%),
        radial-gradient(700px 320px at 70% 10%, rgba(37,99,235,.13), transparent 55%),
        radial-gradient(600px 320px at 92% 45%, rgba(6,182,212,.12), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
      border: 1px solid rgba(17,24,39,.08);
      box-shadow: var(--shadow);
      position:relative;
      overflow:hidden;
      min-height: 360px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .hero-left::after{
      content:"";
      position:absolute;
      inset:-2px;
      background: linear-gradient(90deg, rgba(109,40,217,.20), rgba(37,99,235,.20), rgba(6,182,212,.20), rgba(16,185,129,.20));
      opacity:.18;
      mask-image: radial-gradient(350px 180px at 35% 10%, #000 40%, transparent 72%);
      pointer-events:none;
    }
    .pill-row{
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .pill{
      border-radius: 999px;
      padding: 8px 12px;
      font-size: 12px;
      font-weight: 700;
      color: rgba(17,24,39,.86);
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      display:inline-flex;
      align-items:center;
      gap: 10px;
    }
    .pill .mini{
      width:10px; height:10px; border-radius:50%;
      background: var(--gradLine);
    }
    .hero-title{
      margin: 14px 0 0;
      font-size: clamp(26px, 3.2vw, 40px);
      line-height: 1.12;
      letter-spacing: -0.6px;
      position:relative;
      z-index:1;
      max-width: 18ch;
    }
    .hero-lead{
      margin: 12px 0 0;
      color: rgba(31,41,55,.84);
      font-size: 15px;
      line-height:1.7;
      position:relative;
      z-index:1;
      max-width: 64ch;
    }
    .hero-actions{
      display:flex;
      gap: 12px;
      flex-wrap:wrap;
      margin-top: 18px;
      position:relative;
      z-index:1;
      align-items:center;
    }
    .hero-subactions{
      display:flex;
      gap: 10px;
      align-items:center;
      margin-top: 12px;
      position:relative;
      z-index:1;
      flex-wrap:wrap;
    }
    .tiny-link{
      font-size: 13px;
      color: rgba(17,24,39,.82);
      border-bottom: 1px dashed rgba(17,24,39,.25);
      padding-bottom: 2px;
      transition: border-color .18s var(--ease), color .18s var(--ease);
      cursor:pointer;
      white-space:nowrap;
    }
    .tiny-link:hover{ color:#111827; border-color: rgba(17,24,39,.6); }
    .hero-right{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .data-card{
      border-radius: 24px;
      padding: 18px 16px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.52));
      border:1px solid rgba(17,24,39,.08);
      box-shadow: 0 14px 30px rgba(15,23,42,.08);
      overflow:hidden;
      position:relative;
    }
    .data-card::before{
      content:"";
      position:absolute;
      inset:-1px;
      background: var(--gradSoft);
      opacity:.75;
      pointer-events:none;
      mask-image: radial-gradient(320px 140px at 20% 0%, #000 40%, transparent 70%);
    }
    .data-card .top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      position:relative;
      z-index:1;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap: 10px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      font-size: 12px;
      font-weight: 800;
      color: rgba(17,24,39,.88);
      white-space:nowrap;
    }
    .badge .spark{
      width: 12px; height: 12px; border-radius: 4px;
      background: linear-gradient(180deg, rgba(109,40,217,.95), rgba(37,99,235,.95));
      box-shadow: 0 0 0 6px rgba(99,102,241,.12);
    }
    .value-grid{
      margin-top: 14px;
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .metric{
      border-radius: 18px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.70);
      padding: 14px 12px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      cursor:default;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(15,23,42,.10);
      border-color: rgba(37,99,235,.20);
    }
    .metric .num{
      font-weight: 900;
      letter-spacing: -0.6px;
      font-size: 18px;
    }
    .metric .lbl{
      margin-top: 6px;
      color: var(--muted);
      font-size: 12px;
      line-height:1.4;
    }
    .mini-note{
      margin-top: 10px;
      color: rgba(31,41,55,.72);
      font-size: 12px;
      line-height:1.6;
      position:relative;
      z-index:1;
    }

    .section{
      padding: 34px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 16px;
      margin-bottom: 18px;
    }
    .kicker{
      font-size: 12px;
      color: rgba(17,24,39,.78);
      font-weight: 800;
      letter-spacing:.2px;
      display:flex;
      align-items:center;
      gap: 10px;
    }
    .kicker .bar{
      width: 16px; height: 10px; border-radius: 999px;
      background: var(--gradLine);
      box-shadow: 0 0 0 6px rgba(99,102,241,.10);
    }
    .h2{
      margin: 8px 0 0;
      font-size: clamp(20px, 2.4vw, 28px);
      line-height:1.3;
      letter-spacing: -0.4px;
    }
    .subtext{
      color: var(--muted);
      font-size: 14px;
      line-height:1.7;
      max-width: 64ch;
      margin: 10px 0 0;
    }
    .head-right{
      display:flex;
      gap: 10px;
      align-items:center;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      align-items:stretch;
    }
    .grid-4{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      align-items:stretch;
    }
    .card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(17,24,39,.08);
      border-radius: var(--radius);
      box-shadow: 0 12px 26px rgba(15,23,42,.06);
      padding: 16px 15px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(15,23,42,.10);
      border-color: rgba(99,102,241,.18);
    }
    .card .title{
      font-weight: 900;
      letter-spacing:-.3px;
      margin: 6px 0 0;
      font-size: 15px;
    }
    .card .desc{
      margin: 10px 0 0;
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.7;
    }
    .card .tagrow{
      display:flex; flex-wrap:wrap; gap: 8px;
      margin-top: 12px;
    }
    .chip{
      border-radius: 999px;
      padding: 7px 10px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.65);
      font-size: 12px;
      color: rgba(17,24,39,.82);
      font-weight: 700;
      white-space:nowrap;
    }
    .card-icon{
      width: 44px; height: 44px;
      border-radius: 16px;
      background: rgba(99,102,241,.10);
      border: 1px solid rgba(99,102,241,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight: 1000;
      letter-spacing:-.5px;
      color: rgba(37,99,235,.95);
      box-shadow: 0 16px 28px rgba(37,99,235,.12);
    }

    .two-col{
      display:grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 14px;
      align-items:stretch;
    }
    .panel{
      border-radius: 24px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 32px rgba(15,23,42,.07);
      padding: 18px 16px;
      overflow:hidden;
      position:relative;
    }
    .panel::before{
      content:"";
      position:absolute;
      inset:-1px;
      background: linear-gradient(120deg, rgba(109,40,217,.10), rgba(37,99,235,.08), rgba(6,182,212,.07));
      opacity:.85;
      pointer-events:none;
      mask-image: radial-gradient(360px 190px at 20% 0%, #000 35%, transparent 70%);
    }
    .panel > *{ position:relative; z-index:1; }
    .list{
      margin: 12px 0 0;
      padding:0; list-style:none;
      display:flex; flex-direction:column; gap: 10px;
    }
    .li{
      display:flex; gap: 12px;
      align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.66);
      transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
    }
    .li:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.20);
      box-shadow: 0 18px 34px rgba(15,23,42,.08);
    }
    .li .dot{
      width: 12px; height: 12px; border-radius: 4px;
      background: var(--gradLine);
      margin-top: 4px;
      box-shadow: 0 0 0 6px rgba(99,102,241,.10);
      flex: 0 0 auto;
    }
    .li .li-title{
      font-weight: 900;
      font-size: 13px;
      margin:0;
    }
    .li .li-desc{
      margin: 6px 0 0;
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.6;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-top: 14px;
    }
    .step{
      border-radius: 22px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.74);
      padding: 14px 14px;
      position:relative;
      overflow:hidden;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease);
      min-height: 138px;
    }
    .step:hover{ transform: translateY(-2px); box-shadow: 0 18px 34px rgba(15,23,42,.10); }
    .step .n{
      width: 34px; height: 34px; border-radius: 14px;
      background: rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight: 1000;
      color: rgba(37,99,235,.95);
    }
    .step .st{
      margin-top: 10px;
      font-weight: 900;
      font-size: 14px;
      letter-spacing:-.2px;
    }
    .step .sd{
      margin-top: 8px;
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.6;
    }

    .compare{
      border-radius: 24px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 32px rgba(15,23,42,.07);
      overflow:hidden;
    }
    .compare-top{
      padding: 16px 16px 12px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      border-bottom: 1px solid rgba(17,24,39,.08);
      background:
        linear-gradient(90deg, rgba(109,40,217,.08), rgba(37,99,235,.06), rgba(6,182,212,.06), rgba(16,185,129,.06));
    }
    .rating{
      display:flex; align-items:flex-end; gap: 12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .stars{
      font-size: 14px;
      color: rgba(245,158,11,.95);
      letter-spacing: 1px;
      font-weight: 900;
    }
    .score{
      font-size: 34px;
      font-weight: 1000;
      letter-spacing: -1px;
      line-height:1;
    }
    .score-note{
      color: rgba(31,41,55,.72);
      font-size: 12px;
      margin-top: 6px;
      line-height:1.4;
    }
    .compare-title{
      display:flex; flex-direction:column; gap: 6px;
    }
    .compare-title .big{
      font-weight: 1000;
      letter-spacing: -.4px;
      font-size: 16px;
    }
    .compare-title .small{
      color: rgba(31,41,55,.72);
      font-size: 13px;
      line-height:1.6;
      max-width: 60ch;
    }
    .table-wrap{
      padding: 0;
      overflow:auto;
    }
    table{
      width: 100%;
      border-collapse: collapse;
      min-width: 740px;
    }
    th, td{
      padding: 14px 12px;
      border-bottom: 1px solid rgba(17,24,39,.08);
      vertical-align: top;
    }
    th{
      text-align:left;
      font-size: 13px;
      color: rgba(31,41,55,.86);
      background: rgba(255,255,255,.6);
      position:sticky;
      top:0;
      z-index:2;
      backdrop-filter: blur(8px);
    }
    td{
      font-size: 13px;
      color: rgba(31,41,55,.78);
      line-height:1.6;
    }
    .td-strong{
      color: rgba(17,24,39,.94);
      font-weight: 900;
    }
    .mark{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      border-radius: 999px;
      padding: 7px 10px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      font-weight: 900;
      color: rgba(17,24,39,.90);
      white-space:nowrap;
    }
    .mark.ok{
      border-color: rgba(16,185,129,.22);
      background: rgba(16,185,129,.08);
    }
    .mark.warn{
      border-color: rgba(245,158,11,.22);
      background: rgba(245,158,11,.08);
    }
    .mark.neutral{
      border-color: rgba(99,102,241,.22);
      background: rgba(99,102,241,.08);
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    details.faq{
      border-radius: 20px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 22px rgba(15,23,42,.05);
      padding: 12px 12px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      overflow:hidden;
    }
    details.faq[open]{
      border-color: rgba(99,102,241,.20);
      box-shadow: 0 18px 38px rgba(15,23,42,.10);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 12px;
      padding: 6px 4px;
      outline:none;
    }
    summary::-webkit-details-marker{ display:none; }
    .faq-q{
      font-weight: 1000;
      letter-spacing: -.25px;
      font-size: 14px;
      color: rgba(17,24,39,.92);
    }
    .faq-ic{
      width: 30px; height: 30px;
      border-radius: 12px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      flex:0 0 auto;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
      margin-top: -2px;
    }
    details.faq[open] .faq-ic{ transform: rotate(45deg); border-color: rgba(99,102,241,.22); background: rgba(99,102,241,.08); }
    .faq-a{
      padding: 10px 6px 6px;
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height: 1.75;
    }

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      align-items:stretch;
    }
    .review{
      border-radius: 24px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 26px rgba(15,23,42,.06);
      padding: 16px 15px;
      display:flex;
      flex-direction:column;
      gap: 12px;
      min-height: 198px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .review:hover{ transform: translateY(-2px); box-shadow: 0 18px 40px rgba(15,23,42,.10); border-color: rgba(99,102,241,.18); }
    .review-head{
      display:flex;
      align-items:center;
      gap: 12px;
    }
    .avatar{
      width: 42px; height: 42px;
      border-radius: 16px;
      border: 1px solid rgba(17,24,39,.10);
      background:
        radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.95), rgba(255,255,255,0) 60%),
        linear-gradient(135deg, rgba(109,40,217,.22), rgba(37,99,235,.18), rgba(6,182,212,.18));
      display:flex; align-items:center; justify-content:center;
      font-weight: 1000;
      color: rgba(17,24,39,.90);
      flex:0 0 auto;
    }
    .review-name{
      display:flex;
      flex-direction:column;
      gap: 4px;
      line-height:1.1;
    }
    .review-name strong{
      font-size: 13px;
      letter-spacing:-.1px;
    }
    .review-name span{
      font-size: 12px;
      color: rgba(31,41,55,.70);
    }
    .review-text{
      color: rgba(31,41,55,.80);
      font-size: 13px;
      line-height:1.75;
      margin-top: 2px;
    }
    .review-marks{
      margin-top:auto;
      display:flex; flex-wrap:wrap; gap: 8px;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items:stretch;
    }
    .case-left{
      padding: 18px 16px;
      border-radius: 24px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 32px rgba(15,23,42,.07);
      overflow:hidden;
      position:relative;
    }
    .case-left::before{
      content:"";
      position:absolute;
      inset:-1px;
      background: linear-gradient(120deg, rgba(109,40,217,.10), rgba(37,99,235,.08), rgba(6,182,212,.07));
      opacity:.85;
      pointer-events:none;
      mask-image: radial-gradient(420px 220px at 10% 0%, #000 40%, transparent 75%);
    }
    .case-left > *{ position:relative; z-index:1; }
    .case-list{
      margin-top: 12px;
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    .case-item{
      border-radius: 20px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.66);
      padding: 12px 12px;
      display:flex;
      gap: 12px;
      align-items:flex-start;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      cursor:pointer;
    }
    .case-item:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.20); box-shadow: 0 18px 34px rgba(15,23,42,.08); }
    .case-item .k{
      width: 38px; height: 38px;
      border-radius: 16px;
      border: 1px solid rgba(37,99,235,.22);
      background: rgba(37,99,235,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight: 1000;
      color: rgba(37,99,235,.95);
      flex: 0 0 auto;
    }
    .case-item .ci-title{
      font-weight: 1000;
      font-size: 13px;
      letter-spacing:-.1px;
      margin-top: 2px;
    }
    .case-item .ci-desc{
      margin-top: 6px;
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.6;
    }
    .case-right{
      border-radius: 24px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 32px rgba(15,23,42,.07);
      overflow:hidden;
      padding: 18px 16px;
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .media-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .img-box{
      border-radius: 20px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.64);
      overflow:hidden;
    }
    .img-box img{
      width:100%;
      height:auto;
      display:block;
      object-fit: contain;
    }
    .img-note{
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.7;
    }

    .article-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      align-items:stretch;
    }
    .article{
      border-radius: 24px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 26px rgba(15,23,42,.06);
      padding: 16px 15px;
      display:flex;
      flex-direction:column;
      gap: 12px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      min-height: 190px;
    }
    .article:hover{ transform: translateY(-2px); box-shadow: 0 18px 40px rgba(15,23,42,.10); border-color: rgba(99,102,241,.18); }
    .article .meta{
      display:flex; justify-content:space-between; gap:10px; align-items:center; flex-wrap:wrap;
      color: rgba(31,41,55,.70);
      font-size: 12px;
      font-weight: 800;
    }
    .article .at{
      font-weight: 1000;
      letter-spacing:-.25px;
      line-height:1.35;
      font-size: 14px;
      margin-top:-2px;
    }
    .article .ad{
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.7;
      margin-top: -6px;
    }
    .article .actions{
      margin-top:auto;
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .link-pill{
      display:inline-flex; align-items:center; gap:8px;
      border-radius: 999px;
      padding: 10px 12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      font-weight: 900;
      font-size: 13px;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      cursor:pointer;
    }
    .link-pill:hover{ transform: translateY(-2px); box-shadow: 0 16px 28px rgba(15,23,42,.10); border-color: rgba(37,99,235,.20); }

    .form-wrap{
      border-radius: 24px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 32px rgba(15,23,42,.07);
      overflow:hidden;
      padding: 18px 16px;
      position:relative;
    }
    .form-wrap::before{
      content:"";
      position:absolute;
      inset:-1px;
      background: linear-gradient(90deg, rgba(109,40,217,.09), rgba(37,99,235,.08), rgba(6,182,212,.07), rgba(16,185,129,.07));
      opacity:.85;
      pointer-events:none;
      mask-image: radial-gradient(520px 240px at 20% 0%, #000 40%, transparent 75%);
    }
    .form-wrap > *{ position:relative; z-index:1; }
    form{
      margin-top: 10px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap: 8px;
    }
    label{
      font-size: 12px;
      color: rgba(31,41,55,.76);
      font-weight: 900;
      letter-spacing:.1px;
    }
    input, select, textarea{
      border: 1px solid rgba(17,24,39,.12);
      border-radius: 14px;
      padding: 12px 12px;
      font-size: 14px;
      background: rgba(255,255,255,.85);
      outline:none;
      transition: box-shadow .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
      color: rgba(17,24,39,.92);
    }
    textarea{ resize: vertical; min-height: 108px; max-height: 220px; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(37,99,235,.35);
      box-shadow: 0 0 0 6px var(--ring);
    }
    .span-2{ grid-column: 1 / -1; }
    .form-actions{
      grid-column: 1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      flex-wrap:wrap;
      margin-top: 4px;
    }
    .hint{
      color: rgba(31,41,55,.70);
      font-size: 12px;
      line-height:1.6;
      max-width: 56ch;
    }
    .toast{
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      background: rgba(17,24,39,.92);
      color:#fff;
      padding: 10px 12px;
      border-radius: 14px;
      box-shadow: 0 18px 50px rgba(0,0,0,.20);
      font-size: 13px;
      z-index: 999;
      opacity:0;
      pointer-events:none;
      transition: opacity .18s var(--ease), transform .18s var(--ease);
    }
    .toast.show{
      opacity:1;
      transform: translateX(-50%) translateY(-6px);
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap: 10px;
      padding: 10px 0 0;
    }
    .tag{
      border-radius: 999px;
      padding: 10px 12px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      font-size: 13px;
      font-weight: 900;
      color: rgba(31,41,55,.84);
      transition: transform .18s var(--ease), border-color .18s var(--ease);
    }
    .tag:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.20);
    }

    .timeline{
      display:flex; flex-direction:column; gap: 12px;
      margin-top: 12px;
    }
    .time-item{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      border-radius: 20px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.66);
      padding: 12px 12px;
    }
    .time-ic{
      width: 40px; height: 40px;
      border-radius: 16px;
      background: rgba(109,40,217,.10);
      border: 1px solid rgba(109,40,217,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight: 1000;
      color: rgba(109,40,217,.95);
      flex:0 0 auto;
      margin-top: 1px;
    }
    .time-body strong{
      display:block;
      font-weight: 1000;
      font-size: 13px;
      letter-spacing:-.1px;
    }
    .time-body span{
      display:block;
      margin-top: 6px;
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.6;
    }

    .footer{
      padding: 26px 0 30px;
      margin-top: 4px;
    }
    .footer-card{
      border-radius: 26px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.78);
      box-shadow: 0 14px 32px rgba(15,23,42,.07);
      padding: 18px 16px;
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .footer-left{
      display:flex; flex-direction:column; gap: 10px;
    }
    .foot-title{
      font-weight: 1000;
      letter-spacing:-.35px;
      font-size: 16px;
      margin-top: 2px;
    }
    .foot-desc{
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.7;
    }
    .foot-links{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      margin-top: 2px;
      align-items:center;
    }
    .foot-links a{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      border-radius: 999px;
      padding: 10px 12px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.70);
      font-size: 13px;
      font-weight: 900;
      color: rgba(31,41,55,.84);
      transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
      white-space:nowrap;
    }
    .foot-links a:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.20); box-shadow: 0 16px 28px rgba(15,23,42,.10); }
    .footer-right{
      display:flex;
      flex-direction:column;
      gap: 12px;
      align-items:flex-end;
    }
    .contact-mini{
      width:100%;
      border-radius: 22px;
      border: 1px solid rgba(17,24,39,.08);
      background: rgba(255,255,255,.66);
      padding: 12px 12px;
    }
    .contact-mini .row{
      display:flex; gap: 12px; align-items:center; justify-content:space-between; flex-wrap:wrap;
    }
    .wx{
      display:flex; align-items:center; gap: 12px;
    }
    .wx img{
      width: 68px; height: 68px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      object-fit:cover;
      display:block;
    }
    .contact-mini .txt{
      display:flex; flex-direction:column; gap: 6px;
      min-width: 160px;
    }
    .contact-mini .txt strong{
      font-weight: 1000; letter-spacing:-.2px;
    }
    .contact-mini .txt span{
      color: rgba(31,41,55,.78);
      font-size: 13px;
      line-height:1.5;
    }
    .copyright{
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid rgba(17,24,39,.08);
      display:flex;
      justify-content:space-between;
      gap: 10px;
      flex-wrap:wrap;
      color: rgba(31,41,55,.70);
      font-size: 12px;
      align-items:center;
    }

    .float-help{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 70;
      display:flex;
      flex-direction:column;
      gap: 10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-btn{
      pointer-events:auto;
      border-radius: 18px;
      border: 1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.88);
      box-shadow: 0 18px 45px rgba(15,23,42,.14);
      padding: 10px 12px;
      cursor:pointer;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      display:flex;
      align-items:center;
      gap: 10px;
      user-select:none;
      max-width: 210px;
    }
    .float-btn:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.20); box-shadow: 0 22px 60px rgba(15,23,42,.18); }
    .float-btn .p{
      width: 34px; height: 34px;
      border-radius: 14px;
      background: rgba(37,99,235,.10);
      border: 1px solid rgba(37,99,235,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      font-weight:1000;
      color: rgba(37,99,235,.95);
    }
    .float-btn .t{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      gap: 6px;
    }
    .float-btn .t strong{
      font-size: 13px;
      letter-spacing:-.1px;
    }
    .float-btn .t span{
      font-size: 12px;
      color: rgba(31,41,55,.72);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width: 150px;
    }
    .to-top{
      width: 46px; height: 46px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.88);
      box-shadow: 0 18px 45px rgba(15,23,42,.14);
      cursor:pointer;
      pointer-events:auto;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease), opacity .18s var(--ease);
      opacity:0;
    }
    .to-top.show{ opacity:1; }
    .to-top:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.20); box-shadow: 0 22px 60px rgba(15,23,42,.18); }

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

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-left{ min-height: unset; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-4{ grid-template-columns: 1fr 1fr; }
      .two-col{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr 1fr; }
      .faq-grid{ grid-template-columns: 1fr; }
      .reviews{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .footer-card{ grid-template-columns: 1fr; }
      .footer-right{ align-items:flex-start; }
      table{ min-width: 680px; }
    }
    @media (max-width: 820px){
      .nav-links{ display:none; }
      .nav-cta{ display:none; }
      .hamburger{ display:flex; }
      .mobile-panel{ display:block; }
      .hero{ padding-top: 22px; }
      .grid-4{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr; }
      form{ grid-template-columns: 1fr; }
      .form-actions{ justify-content:flex-start; }
      .float-btn .t span{ max-width: 120px; }
      .to-top{ display:none; }
    }
    @media (prefers-reduced-motion: reduce){
      .reveal{ transition:none; opacity:1; transform:none; }
      .btn, .card, .metric, .li, details.faq, .step, .review, .article, .link-pill, .tag, .foot-links a, .float-btn, .to-top{ transition:none !important; }
    }