:root{
      --bg0:#fff7f2;
      --bg1:#ffffff;
      --text:#141414;
      --muted:#5a5a5a;
      --muted2:#7a7a7a;
      --line:rgba(20,20,20,.10);
      --card:rgba(255,255,255,.78);
      --shadow: 0 10px 30px rgba(20,20,20,.08);
      --shadow2: 0 8px 18px rgba(20,20,20,.10);
      --orange:#ff6a2a;
      --orange2:#ff8a3d;
      --burnt:#ff3d1a;
      --deep:#1b1b1b;
      --blue:#2457ff;
      --green:#16a34a;
      --radius:18px;
      --radius2:14px;
      --container: 1120px;
      --focus: 0 0 0 4px rgba(255, 106, 42, .18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", "Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 420px at 12% 0%, rgba(255, 106, 42, .18), transparent 60%),
        radial-gradient(780px 360px at 92% 10%, rgba(255, 61, 26, .14), transparent 55%),
        linear-gradient(180deg, var(--bg0), #fff 35%, #fff 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }
    .topbar{
      position: sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255, 255, 255, .72);
      border-bottom: 1px solid rgba(20,20,20,.08);
    }
    .nav-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 240px;
    }
    .logo-wrap{
      width:42px; height:42px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(255,106,42,.18), rgba(255,61,26,.10));
      border: 1px solid rgba(255,106,42,.22);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 10px 30px rgba(255,106,42,.10);
      overflow:hidden;
    }
    .ai-page-logo{width:36px; height:auto; display:block;}
    .brand-text{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-text strong{font-size:14.5px; letter-spacing:.2px}
    .brand-text span{font-size:12px; color:var(--muted2); margin-top:4px}
    .nav-right{
      display:flex; align-items:center; gap:12px;
    }
    .nav-links{
      display:flex; align-items:center; gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color: rgba(20,20,20,.82);
      padding: 8px 10px;
      border-radius: 999px;
      transition: background .2s ease, transform .2s ease;
      border: 1px solid transparent;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(255,106,42,.10);
      border-color: rgba(255,106,42,.18);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius: 12px;
      padding: 11px 14px;
      font-weight: 650;
      font-size: 13px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.78);
      color: var(--deep);
      box-shadow: 0 8px 18px rgba(20,20,20,.05);
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor:pointer;
      user-select:none;
      -webkit-tap-highlight-color: transparent;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: 0 12px 26px rgba(20,20,20,.08);}
    .btn:active{transform: translateY(0px); box-shadow: 0 8px 18px rgba(20,20,20,.06);}
    .btn:focus-visible{outline:none; box-shadow: var(--focus), 0 12px 26px rgba(20,20,20,.08);}
    .btn-primary{
      border-color: rgba(255,106,42,.35);
      background: linear-gradient(135deg, rgba(255,106,42,1), rgba(255,61,26,1));
      color: #fff;
      box-shadow: 0 14px 34px rgba(255,61,26,.22);
    }
    .btn-primary:hover{box-shadow: 0 18px 44px rgba(255,61,26,.26);}
    .btn-ghost{
      background: rgba(255,255,255,.65);
      border-color: rgba(20,20,20,.10);
    }
    .btn-small{padding:9px 12px; border-radius: 11px; font-size:12.5px}
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius: 12px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.75);
      cursor:pointer;
      align-items:center; justify-content:center;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      -webkit-tap-highlight-color: transparent;
    }
    .hamburger:hover{transform: translateY(-1px); background: rgba(255,255,255,.92)}
    .hamburger:focus-visible{outline:none; box-shadow: var(--focus)}
    .hamburger .bar{
      width:18px; height:2px; background: rgba(20,20,20,.80); position:relative;
    }
    .hamburger .bar::before,.hamburger .bar::after{
      content:""; position:absolute; left:0; width:18px; height:2px; background: rgba(20,20,20,.80);
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .hamburger .bar::before{top:-6px}
    .hamburger .bar::after{top:6px}
    .hamburger.is-open .bar{background: transparent}
    .hamburger.is-open .bar::before{top:0; transform: rotate(45deg)}
    .hamburger.is-open .bar::after{top:0; transform: rotate(-45deg)}
    .mobile-panel{
      display:none;
      padding: 6px 0 14px;
      border-top: 1px solid rgba(20,20,20,.08);
    }
    .mobile-panel .panel-links{
      display:flex; flex-direction:column; gap:8px;
      padding-top: 10px;
    }
    .mobile-panel .panel-links a{
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      border-radius: 14px;
      padding: 12px 12px;
      font-weight: 600;
      color: rgba(20,20,20,.86);
    }
    .mobile-panel .panel-ctas{
      display:flex; gap:10px; margin-top: 12px; flex-wrap:wrap;
    }

    .hero{
      padding: 34px 0 24px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      align-items: stretch;
    }
    .hero-card{
      border-radius: var(--radius);
      border: 1px solid rgba(255,106,42,.20);
      background:
        radial-gradient(900px 380px at 12% 10%, rgba(255,106,42,.28), transparent 55%),
        radial-gradient(680px 340px at 92% 22%, rgba(255,61,26,.22), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.58));
      box-shadow: var(--shadow);
      padding: 22px;
      position:relative;
      min-height: 320px;
    }
    .hero-kicker{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      color: rgba(20,20,20,.86);
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,106,42,.24);
      background: rgba(255,106,42,.10);
      font-weight: 700;
      font-size: 12.5px;
    }
    .dot{
      width:9px; height:9px; border-radius: 50%;
      background: linear-gradient(135deg, var(--orange), var(--burnt));
      box-shadow: 0 0 0 4px rgba(255,106,42,.18);
    }
    .hero-title{
      margin: 14px 0 10px;
      font-size: clamp(26px, 3.1vw, 40px);
      letter-spacing: -0.6px;
      line-height: 1.15;
    }
    .hero-sub{
      margin: 0;
      color: rgba(20,20,20,.72);
      font-size: 14.8px;
      line-height: 1.7;
      max-width: 60ch;
    }
    .hero-actions{
      margin-top: 16px;
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap: wrap;
    }
    .hero-meta{
      margin-top: 16px;
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }
    .meta-item{
      border-radius: 14px;
      border: 1px solid rgba(20,20,20,.08);
      background: rgba(255,255,255,.65);
      padding: 12px 12px;
      min-height: 70px;
      display:flex; flex-direction:column; justify-content:center;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .meta-item:hover{transform: translateY(-2px); box-shadow: 0 16px 34px rgba(20,20,20,.08);}
    .meta-item strong{font-size: 16px; letter-spacing:-.2px}
    .meta-item span{font-size: 12.5px; color: rgba(20,20,20,.66); margin-top:6px; line-height:1.3}
    .hero-side{
      display:flex; flex-direction:column; gap:14px;
    }
    .side-panel{
      border-radius: var(--radius);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 24px rgba(20,20,20,.06);
      padding: 16px;
      position:relative;
      overflow:hidden;
      min-height: 160px;
    }
    .side-panel::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(260px 160px at 78% 12%, rgba(255,106,42,.22), transparent 60%),
        radial-gradient(220px 140px at 18% 86%, rgba(36,87,255,.14), transparent 58%);
      pointer-events:none;
    }
    .side-panel > *{position:relative}
    .side-title{
      margin: 0 0 10px;
      font-size: 14px;
      color: rgba(20,20,20,.78);
      display:flex; align-items:center; gap:10px;
      font-weight: 800;
      letter-spacing: .2px;
    }
    .side-title .chip{
      width:28px; height:28px; border-radius: 10px;
      background: rgba(255,106,42,.14);
      border: 1px solid rgba(255,106,42,.20);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 10px 22px rgba(255,106,42,.14);
    }
    .pill-list{
      display:flex; flex-wrap:wrap; gap:8px;
      padding:0; margin:0; list-style:none;
    }
    .pill-list li{
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.65);
      padding: 8px 10px;
      border-radius: 999px;
      font-size: 12.4px;
      color: rgba(20,20,20,.78);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .pill-list li:hover{transform: translateY(-1px); border-color: rgba(255,106,42,.26); background: rgba(255,106,42,.08)}
    .pricing-mini{
      margin-top: 10px;
      border-top: 1px dashed rgba(20,20,20,.14);
      padding-top: 12px;
      display:flex; gap:10px; align-items:flex-start;
    }
    .pricing-mini .price{
      font-size: 22px; font-weight: 920; letter-spacing: -0.6px;
      color: linear-gradient(135deg, var(--orange), var(--burnt));
    }
    .pricing-mini .price::after{content:""; display:none}
    .pricing-mini .hint{color: rgba(20,20,20,.68); font-size: 12.8px; line-height:1.5}
    .progressline{
      margin-top: 10px;
      height: 9px;
      border-radius: 999px;
      background: rgba(20,20,20,.06);
      overflow:hidden;
      border: 1px solid rgba(20,20,20,.08);
    }
    .progressline .fill{
      width: 62%;
      height: 100%;
      background: linear-gradient(90deg, rgba(255,106,42,1), rgba(255,61,26,1));
      border-radius: 999px;
      transform-origin:left;
      animation: fillIn 1.2s ease both;
    }
    @keyframes fillIn{
      from{transform: scaleX(.2); opacity:.5}
      to{transform: scaleX(1); opacity:1}
    }

    .section{
      padding: 24px 0;
    }
    .section-head{
      display:flex; justify-content:space-between; align-items:flex-end; gap:12px; flex-wrap:wrap;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin: 0;
      font-size: 20px;
      letter-spacing: -0.3px;
    }
    .section-head p{
      margin:0;
      color: rgba(20,20,20,.66);
      max-width: 70ch;
      line-height:1.7;
      font-size: 13.8px;
    }

    .grid-3{
      display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px;
    }
    .grid-4{
      display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px;
    }
    .card{
      border-radius: var(--radius2);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 10px 22px rgba(20,20,20,.05);
      padding: 14px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(20,20,20,.08); border-color: rgba(255,106,42,.22); background: rgba(255,255,255,.88)}
    .card .title{
      display:flex; align-items:center; gap:10px;
      font-weight: 850;
      margin-bottom: 8px;
      letter-spacing: -.2px;
    }
    .mini-icon{
      width:34px; height:34px; border-radius: 12px;
      display:flex; align-items:center; justify-content:center;
      border: 1px solid rgba(255,106,42,.22);
      background: rgba(255,106,42,.12);
      box-shadow: 0 12px 26px rgba(255,106,42,.12);
      flex: 0 0 auto;
    }
    .card p{
      margin: 0;
      color: rgba(20,20,20,.66);
      line-height: 1.7;
      font-size: 13.6px;
    }
    .list{
      margin: 10px 0 0;
      padding: 0;
      list-style: none;
      display:flex; flex-direction:column; gap:8px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      color: rgba(20,20,20,.70);
      font-size: 13.3px;
      line-height:1.45;
    }
    .check{
      width:18px; height:18px; border-radius: 6px;
      background: rgba(255,106,42,.14);
      border: 1px solid rgba(255,106,42,.24);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
    }

    .stepper{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 12px;
    }
    .step{
      padding: 14px;
      border-radius: var(--radius2);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(20,20,20,.05);
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .step:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(20,20,20,.08); border-color: rgba(255,106,42,.22);}
    .step .stepnum{
      width:34px; height:34px; border-radius: 12px;
      background: linear-gradient(135deg, rgba(255,106,42,.16), rgba(255,61,26,.10));
      border: 1px solid rgba(255,106,42,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      letter-spacing: -.2px;
      margin-bottom: 10px;
    }
    .step h3{
      margin: 0 0 8px;
      font-size: 14.8px;
      letter-spacing: -.2px;
    }
    .step p{
      margin:0;
      color: rgba(20,20,20,.66);
      line-height:1.65;
      font-size: 13.3px;
    }

    .compare-wrap{
      border-radius: var(--radius);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 24px rgba(20,20,20,.05);
      overflow:hidden;
    }
    .compare-head{
      padding: 14px 14px 0;
    }
    .rating-row{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
      padding: 12px 14px;
      border-bottom: 1px solid rgba(20,20,20,.08);
      background:
        radial-gradient(640px 220px at 15% 0%, rgba(255,106,42,.18), transparent 60%),
        radial-gradient(520px 220px at 90% 0%, rgba(36,87,255,.10), transparent 55%),
        rgba(255,255,255,.6);
    }
    .stars{
      display:flex; align-items:center; gap:8px; flex-wrap:wrap;
    }
    .star{
      width:18px; height:18px;
      display:inline-block;
      background: linear-gradient(135deg, rgba(255,106,42,1), rgba(255,61,26,1));
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow: 0 10px 20px rgba(255,61,26,.18);
    }
    .rating-meta{
      display:flex; flex-direction:column; gap:4px;
    }
    .rating-meta strong{
      font-size: 24px; letter-spacing: -0.6px;
    }
    .rating-meta span{color: rgba(20,20,20,.66); font-size: 13px}
    .compare-note{
      color: rgba(20,20,20,.66);
      font-size: 13.3px;
      line-height:1.6;
      max-width: 64ch;
    }
    table{
      width:100%;
      border-collapse: collapse;
      overflow:auto;
    }
    .table-wrap{
      overflow:auto;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(20,20,20,.08);
      font-size: 13.5px;
      vertical-align: top;
      text-align:left;
      white-space: nowrap;
    }
    th{
      position:sticky;
      top:0;
      background: rgba(255,255,255,.88);
      z-index:2;
      border-bottom: 1px solid rgba(20,20,20,.10);
      font-weight: 900;
      color: rgba(20,20,20,.88);
    }
    td{
      color: rgba(20,20,20,.74);
    }
    .td-strong{font-weight: 900; color: rgba(20,20,20,.90)}
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,106,42,.22);
      background: rgba(255,106,42,.10);
      font-weight: 850;
      color: rgba(20,20,20,.86);
      font-size: 12.4px;
      white-space:nowrap;
    }
    .tag-blue{
      border-color: rgba(36,87,255,.22);
      background: rgba(36,87,255,.10);
    }
    .tag-gray{
      border-color: rgba(20,20,20,.12);
      background: rgba(20,20,20,.06);
      color: rgba(20,20,20,.74);
    }

    .two-col{
      display:grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start;
    }

    .faq{
      border-radius: var(--radius);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 24px rgba(20,20,20,.05);
      overflow:hidden;
    }
    .faq-item{
      border-top: 1px solid rgba(20,20,20,.08);
    }
    .faq-item:first-child{border-top:none}
    .faq-q{
      width:100%;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding: 14px 14px;
      background: rgba(255,255,255,.6);
      cursor:pointer;
      border:none;
      text-align:left;
      font-weight: 900;
      color: rgba(20,20,20,.88);
      transition: background .2s ease;
    }
    .faq-q:hover{background: rgba(255,106,42,.08)}
    .faq-q:focus-visible{outline:none; box-shadow: var(--focus)}
    .faq-a{
      padding: 0 14px 14px;
      color: rgba(20,20,20,.70);
      line-height:1.8;
      font-size: 13.6px;
      display:none;
    }
    .faq-item.is-open .faq-a{display:block}
    .chev{
      width:34px; height:34px; border-radius: 12px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .faq-item.is-open .chev{transform: rotate(180deg); background: rgba(255,106,42,.10); border-color: rgba(255,106,42,.22)}
    .chev svg{display:block}

    .reviews{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .review{
      padding: 14px;
      border-radius: var(--radius2);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(20,20,20,.05);
      display:flex; flex-direction:column; gap:10px;
      min-height: 220px;
    }
    .review-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .who{
      display:flex; flex-direction:column; gap:6px;
    }
    .who strong{font-size: 13.8px; letter-spacing:-.2px}
    .who span{font-size: 12.6px; color: rgba(20,20,20,.62)}
    .review p{
      margin: 0;
      color: rgba(20,20,20,.70);
      line-height: 1.75;
      font-size: 13.6px;
      display:-webkit-box;
      -webkit-line-clamp: 6;
      -webkit-box-orient: vertical;
      overflow:hidden;
    }

    .article-list{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .article{
      padding: 14px;
      border-radius: var(--radius2);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(20,20,20,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 170px;
      display:flex; flex-direction:column; gap:8px;
    }
    .article:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(20,20,20,.08); border-color: rgba(255,106,42,.22)}
    .article a{font-weight: 950; letter-spacing:-.2px; color: rgba(20,20,20,.90)}
    .article .meta{
      color: rgba(20,20,20,.60);
      font-size: 12.6px;
      line-height:1.6;
      flex: 1 1 auto;
    }
    .article .open{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      padding-top: 6px;
    }
    .link-arrow{
      display:inline-flex; align-items:center; gap:10px;
      color: rgba(20,20,20,.80);
      font-weight: 850;
      font-size: 13px;
    }
    .link-arrow .arr{
      width:32px; height:32px; border-radius: 12px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .article:hover .link-arrow .arr{transform: translateX(2px); border-color: rgba(255,106,42,.22); background: rgba(255,106,42,.08)}

    .form-card{
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(20,20,20,.10);
      background:
        radial-gradient(720px 260px at 10% 10%, rgba(255,106,42,.16), transparent 60%),
        radial-gradient(580px 260px at 90% 20%, rgba(36,87,255,.10), transparent 55%),
        rgba(255,255,255,.72);
      box-shadow: var(--shadow);
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field label{
      font-weight: 900;
      font-size: 13px;
      color: rgba(20,20,20,.86);
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border: 1px solid rgba(20,20,20,.12);
      background: rgba(255,255,255,.72);
      padding: 12px 12px;
      font-size: 14px;
      color: rgba(20,20,20,.90);
      outline: none;
      transition: box-shadow .2s ease, border-color .2s ease, background .2s ease;
    }
    textarea{min-height: 108px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(255,106,42,.38);
      box-shadow: var(--focus);
      background: rgba(255,255,255,.92);
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top: 12px;
      padding-top: 12px;
      border-top: 1px solid rgba(20,20,20,.08);
    }
    .fineprint{
      color: rgba(20,20,20,.62);
      font-size: 12.8px;
      line-height:1.6;
      max-width: 65ch;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:8px;
    }
    .tag-cloud a{
      border-radius: 999px;
      padding: 9px 11px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.68);
      font-size: 12.8px;
      color: rgba(20,20,20,.78);
      font-weight: 800;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .tag-cloud a:hover{transform: translateY(-1px); border-color: rgba(255,106,42,.24); background: rgba(255,106,42,.08)}
    .timeline{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top: 6px;
    }
    .time-item{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: var(--radius2);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
    }
    .time-badge{
      width:34px; height:34px; border-radius: 12px;
      background: rgba(255,106,42,.12);
      border: 1px solid rgba(255,106,42,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight: 950;
      flex:0 0 auto;
    }
    .time-item strong{display:block; font-size: 13.8px; margin-bottom: 6px}
    .time-item span{color: rgba(20,20,20,.66); font-size: 13.2px; line-height:1.6}

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 12px;
    }
    .case{
      border-radius: var(--radius2);
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 22px rgba(20,20,20,.05);
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex; flex-direction:column;
      min-height: 240px;
    }
    .case:hover{transform: translateY(-2px); box-shadow: 0 18px 40px rgba(20,20,20,.08); border-color: rgba(255,106,42,.22)}
    .case-body{
      padding: 14px;
      display:flex; flex-direction:column; gap:8px; flex:1 1 auto;
    }
    .case h3{
      margin: 0;
      font-size: 14.8px;
      letter-spacing: -.2px;
    }
    .case p{
      margin: 0;
      color: rgba(20,20,20,.66);
      font-size: 13.6px;
      line-height: 1.7;
    }
    .case-badges{
      display:flex; flex-wrap:wrap; gap:8px; margin-top: 6px;
    }
    .case .case-actions{
      padding: 12px 14px;
      border-top: 1px solid rgba(20,20,20,.08);
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      background: rgba(255,255,255,.64);
    }

    .float-help{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .help-card{
      width: 260px;
      border-radius: 16px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 44px rgba(20,20,20,.14);
      padding: 12px;
      transform-origin: right bottom;
      animation: popIn .35s ease both;
    }
    @keyframes popIn{
      from{transform: scale(.96); opacity:0}
      to{transform: scale(1); opacity:1}
    }
    .help-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .help-top strong{font-size: 13.8px; letter-spacing:-.2px}
    .help-top span{display:block; margin-top:5px; color: rgba(20,20,20,.62); font-size: 12.6px; line-height:1.4}
    .qr{
      border-radius: 14px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.72);
      padding: 10px;
      display:flex; align-items:center; justify-content:center;
    }
    .qr img{width: 138px; height:auto; display:block}
    .help-actions{
      display:flex; gap:10px; margin-top: 10px;
    }
    .help-actions .btn{flex:1}
    .fab{
      width: 52px; height: 52px;
      border-radius: 16px;
      border: 1px solid rgba(255,106,42,.30);
      background: linear-gradient(135deg, rgba(255,106,42,1), rgba(255,61,26,1));
      box-shadow: 0 18px 44px rgba(255,61,26,.24);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      -webkit-tap-highlight-color: transparent;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .fab:hover{transform: translateY(-2px); box-shadow: 0 22px 54px rgba(255,61,26,.28);}
    .fab:focus-visible{outline:none; box-shadow: var(--focus), 0 22px 54px rgba(255,61,26,.28);}
    .fab svg{display:block}

    .footer{
      margin-top: 10px;
      background:
        radial-gradient(820px 280px at 18% 0%, rgba(255,106,42,.18), transparent 60%),
        radial-gradient(620px 260px at 85% 10%, rgba(36,87,255,.12), transparent 55%),
        #fff;
      border-top: 1px solid rgba(20,20,20,.08);
      padding: 18px 0 14px;
    }
    .footer-top{
      display:flex; justify-content:space-between; align-items:flex-start; gap:14px; flex-wrap:wrap;
      padding: 10px 0 14px;
    }
    .footer-left{
      max-width: 64ch;
    }
    .footer-left strong{font-size: 14.2px}
    .footer-left p{
      margin: 10px 0 0;
      color: rgba(20,20,20,.66);
      line-height:1.7;
      font-size: 13.4px;
    }
    .footer-links{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:flex-end;
      max-width: 520px;
    }
    .footer-links a{
      padding: 9px 11px;
      border-radius: 999px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.70);
      font-weight: 850;
      font-size: 12.8px;
      color: rgba(20,20,20,.78);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .footer-links a:hover{transform: translateY(-1px); border-color: rgba(255,106,42,.22); background: rgba(255,106,42,.08)}
    .footer-bottom{
      border-top: 1px solid rgba(20,20,20,.08);
      padding-top: 12px;
      display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap;
      color: rgba(20,20,20,.64);
      font-size: 12.8px;
    }
    .footer-bottom a{
      color: rgba(20,20,20,.72);
      font-weight: 850;
    }

    .to-top{
      position: fixed;
      left: 16px;
      bottom: 16px;
      z-index: 60;
      width: 48px;
      height: 48px;
      border-radius: 16px;
      border: 1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.84);
      box-shadow: 0 18px 44px rgba(20,20,20,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0;
      pointer-events:none;
      transform: translateY(8px);
      transition: opacity .2s ease, transform .2s ease, box-shadow .2s ease;
      -webkit-tap-highlight-color: transparent;
    }
    .to-top.is-visible{
      opacity:1;
      pointer-events:auto;
      transform: translateY(0);
    }
    .to-top:focus-visible{outline:none; box-shadow: var(--focus), 0 18px 44px rgba(20,20,20,.12);}

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

    .sr-only{
      position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; gap: 14px}
      .hero-card{min-height: unset}
      .hero-meta{grid-template-columns: repeat(3, minmax(0,1fr))}
      .grid-4{grid-template-columns: repeat(2, minmax(0,1fr))}
      .grid-3{grid-template-columns: repeat(2, minmax(0,1fr))}
      .stepper{grid-template-columns: repeat(2, minmax(0,1fr))}
      .reviews{grid-template-columns: repeat(2, minmax(0,1fr))}
      .article-list{grid-template-columns: repeat(2, minmax(0,1fr))}
      .case-grid{grid-template-columns: repeat(2, minmax(0,1fr))}
      .two-col{grid-template-columns: 1fr}
      th, td{white-space: normal}
    }
    @media (max-width: 740px){
      .nav-links{display:none}
      .hamburger{display:flex}
      .mobile-panel{display:none}
      .mobile-panel.is-open{display:block}
      .hero-meta{grid-template-columns: 1fr}
      .grid-3{grid-template-columns: 1fr}
      .grid-4{grid-template-columns: 1fr}
      .stepper{grid-template-columns: 1fr}
      .reviews{grid-template-columns: 1fr}
      .article-list{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      .to-top{left: 12px; bottom: 90px}
      .float-help{right: 12px; bottom: 12px}
      .help-card{width: 238px}
    }