:root{
      --bg0:#ffffff;
      --bg1:#f7f8ff;
      --bg2:#f3f4fb;
      --text:#111827;
      --muted:#4b5563;
      --muted2:#6b7280;
      --card:#ffffff;
      --stroke:rgba(17,24,39,.10);
      --stroke2:rgba(17,24,39,.14);
      --shadow:0 18px 40px rgba(17,24,39,.08);
      --shadow2:0 10px 22px rgba(17,24,39,.08);
      --radius:18px;
      --radius2:12px;
      --brand:#2563eb;
      --brand2:#22c55e;
      --brand3:#7c3aed;
      --accent:#ff3d77;
      --warn:#f59e0b;
      --focus:rgba(37,99,235,.25);
      --max:1120px;
    }

    *{ 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, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 10% -10%, rgba(37,99,235,.12), transparent 60%),
        radial-gradient(800px 460px at 90% 10%, rgba(124,58,237,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 35%, var(--bg2));
    }

    a{ color:inherit; text-decoration:none; }
    .container{
      width: min(var(--max), calc(100% - 32px));
      margin: 0 auto;
    }

    .topbar{
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(17,24,39,.08);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 210px;
    }
    .brand img{
      width: 34px;
      height: 34px;
      border-radius: 10px;
      object-fit: cover;
      background: #fff;
      border:1px solid rgba(17,24,39,.10);
      padding:4px;
    }
    .brand-name{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-name strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-name span{
      font-size:12px;
      color:var(--muted2);
    }

    .nav-links{
      display:flex;
      align-items:center;
      gap: 14px;
      flex-wrap: nowrap;
      overflow:hidden;
      justify-content:center;
      flex: 1;
    }
    .nav-links a{
      font-size: 13px;
      color: rgba(17,24,39,.78);
      padding: 10px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      white-space: nowrap;
    }
    .nav-links a:hover{
      background: rgba(37,99,235,.06);
      border-color: rgba(37,99,235,.18);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 210px;
      justify-content:flex-end;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding: 11px 14px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.75);
      color: rgba(17,24,39,.92);
      font-weight: 600;
      font-size: 13px;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:focus{ outline: none; box-shadow: 0 0 0 4px var(--focus); }
    .btn:hover{
      transform: translateY(-1px);
      border-color: rgba(37,99,235,.25);
      box-shadow: 0 14px 26px rgba(37,99,235,.12);
      background: rgba(255,255,255,.95);
    }

    .btn-primary{
      border-color: rgba(37,99,235,.35);
      background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10)) , #ffffff;
      position:relative;
      overflow:hidden;
    }
    .btn-primary::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(240px 120px at 20% 0%, rgba(37,99,235,.35), transparent 60%),
                  radial-gradient(220px 120px at 85% 10%, rgba(124,58,237,.25), transparent 55%);
      opacity:.55;
      pointer-events:none;
    }
    .btn-primary span, .btn-primary svg{ position:relative; z-index:1; }
    .btn-accent{
      border-color: rgba(255,61,119,.28);
      background: linear-gradient(135deg, rgba(255,61,119,.14), rgba(37,99,235,.10));
    }

    .icon{
      width:16px;
      height:16px;
      display:inline-block;
    }

    .mobile-toggle{
      display:none;
    }

    .mobile-menu{
      display:none;
      padding: 0 0 12px;
    }
    .mobile-menu .panel{
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.88);
      border-radius: 16px;
      box-shadow: 0 10px 22px rgba(17,24,39,.08);
      padding: 10px;
    }
    .mobile-menu a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding: 12px 12px;
      border-radius: 12px;
      color: rgba(17,24,39,.86);
      font-size: 13px;
      border: 1px solid rgba(17,24,39,.06);
      background: #fff;
      margin-bottom: 10px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .mobile-menu a:hover{
      transform: translateY(-1px);
      border-color: rgba(37,99,235,.24);
      background: rgba(37,99,235,.04);
    }
    .mobile-menu a:last-child{ margin-bottom:0; }

    .hero{
      padding: 34px 0 8px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
      align-items: stretch;
    }
    .hero-left{
      border: 1px solid rgba(17,24,39,.10);
      border-radius: 26px;
      background:
        radial-gradient(900px 260px at 15% 0%, rgba(37,99,235,.20), transparent 62%),
        radial-gradient(760px 300px at 90% 10%, rgba(255,61,119,.12), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.74));
      box-shadow: 0 30px 80px rgba(17,24,39,.10);
      padding: 22px 22px 18px;
      position: relative;
      overflow:hidden;
    }
    .hero-left::after{
      content:"";
      position:absolute;
      right:-140px;
      top:-160px;
      width: 420px;
      height: 420px;
      background: radial-gradient(circle at 30% 30%, rgba(124,58,237,.25), transparent 55%),
                  radial-gradient(circle at 70% 60%, rgba(37,99,235,.20), transparent 52%);
      transform: rotate(8deg);
      pointer-events:none;
      opacity:.9;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(37,99,235,.20);
      background: rgba(37,99,235,.06);
      color: rgba(17,24,39,.88);
      font-weight: 700;
      font-size: 12px;
      position:relative;
      z-index:2;
    }
    .dot{
      width:10px;
      height:10px;
      border-radius:999px;
      background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.2)), linear-gradient(135deg, var(--brand), var(--brand3));
      box-shadow: 0 10px 22px rgba(37,99,235,.25);
    }

    .hero-title{
      margin: 14px 0 10px;
      font-size: clamp(28px, 3.2vw, 42px);
      letter-spacing: -0.8px;
      line-height: 1.06;
      position:relative;
      z-index:2;
    }
    .hero-sub{
      margin: 0 0 16px;
      color: rgba(17,24,39,.72);
      font-size: 14.5px;
      line-height: 1.7;
      max-width: 62ch;
      position:relative;
      z-index:2;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      position:relative;
      z-index:2;
      margin-top: 14px;
      margin-bottom: 12px;
    }
    .hero-meta{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top: 10px;
      position:relative;
      z-index:2;
    }
    .pill{
      display:flex;
      align-items:center;
      gap:10px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 12px 24px rgba(17,24,39,.06);
      min-width: 190px;
    }
    .pill strong{
      font-size:13px;
      letter-spacing:.2px;
    }
    .pill span{
      font-size: 12.5px;
      color: var(--muted2);
      display:block;
      margin-top:2px;
    }
    .pill .badge-ico{
      width:36px; height:36px;
      border-radius: 14px;
      border:1px solid rgba(37,99,235,.20);
      background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.10));
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }

    .hero-right{
      border: 1px solid rgba(17,24,39,.10);
      border-radius: 26px;
      background: rgba(255,255,255,.72);
      box-shadow: 0 22px 60px rgba(17,24,39,.08);
      padding: 16px;
      overflow:hidden;
      position: relative;
    }
    .hero-right::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(320px 180px at 20% 0%, rgba(37,99,235,.20), transparent 60%),
        radial-gradient(300px 180px at 90% 30%, rgba(255,61,119,.10), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.68), rgba(255,255,255,.64));
      pointer-events:none;
      opacity:.8;
    }
    .hero-right .content{
      position:relative;
      z-index:2;
      display:flex;
      flex-direction:column;
      gap:12px;
      height:100%;
    }
    .module-title{
      display:flex;
      align-items:baseline;
      justify-content:space-between;
      gap:10px;
    }
    .module-title h2{
      margin:0;
      font-size: 16px;
      letter-spacing:-.2px;
    }
    .module-title .tag{
      font-size:12px;
      padding: 6px 10px;
      border-radius:999px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      color: rgba(17,24,39,.78);
      font-weight:700;
    }

    .metric-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .metric{
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor: default;
    }
    .metric:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.26);
      box-shadow: 0 18px 30px rgba(37,99,235,.12);
    }
    .metric .k{
      font-size: 20px;
      font-weight: 900;
      letter-spacing:-.6px;
    }
    .metric .l{
      margin-top:6px;
      color: rgba(17,24,39,.70);
      font-size: 12.5px;
      line-height:1.4;
    }

    .mini-list{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top: 2px;
    }
    .mini-item{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding: 11px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
    }
    .mini-item .ico{
      width:32px; height:32px;
      border-radius: 14px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.22);
      flex: 0 0 auto;
    }
    .mini-item strong{
      font-size:13px;
    }
    .mini-item p{
      margin:4px 0 0;
      color: rgba(17,24,39,.70);
      font-size: 12.5px;
      line-height:1.5;
    }

    section{
      padding: 34px 0;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom: 16px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing:-.4px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      line-height:1.7;
      font-size: 13.5px;
      max-width: 62ch;
    }

    .cards-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .card{
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(17,24,39,.10);
      border-radius: var(--radius);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.22);
      box-shadow: 0 26px 70px rgba(17,24,39,.10);
    }
    .card .card-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      margin-bottom: 10px;
    }
    .card .card-top .left{
      display:flex; gap:12px; align-items:flex-start;
    }
    .card .card-ico{
      width:44px; height:44px;
      border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(17,24,39,.10);
      background: linear-gradient(135deg, rgba(37,99,235,.14), rgba(124,58,237,.10));
      flex: 0 0 auto;
    }
    .card h3{
      margin:0;
      font-size: 15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:6px 0 0;
      color: rgba(17,24,39,.72);
      font-size: 13px;
      line-height:1.7;
    }
    .card .meta-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top: 12px;
    }
    .chip{
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.72);
      padding: 7px 10px;
      border-radius: 999px;
      font-size:12.5px;
      color: rgba(17,24,39,.78);
      font-weight: 700;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .step{
      padding: 16px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      transition: transform .18s ease, border-color .18s ease;
      position: relative;
      overflow:hidden;
    }
    .step:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.22); }
    .step .num{
      width: 36px; height: 36px;
      border-radius: 16px;
      background: rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      letter-spacing: -.3px;
    }
    .step h3{
      margin: 12px 0 6px;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .step p{
      margin:0;
      color: rgba(17,24,39,.72);
      font-size: 13px;
      line-height:1.65;
    }

    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items: stretch;
    }

    .table-wrap{
      overflow:auto;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
    }
    table{
      width:100%;
      border-collapse: collapse;
      min-width: 720px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(17,24,39,.08);
      vertical-align: top;
      text-align:left;
      font-size: 13px;
      line-height:1.6;
      color: rgba(17,24,39,.88);
      background: transparent;
    }
    th{
      position: sticky;
      top: 0;
      background: rgba(255,255,255,.92);
      z-index: 1;
      font-size: 13px;
      color: rgba(17,24,39,.78);
      border-bottom: 1px solid rgba(17,24,39,.12);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.85);
      font-weight: 900;
      font-size: 12.5px;
    }
    .badge .star{
      color: var(--warn);
      font-size: 14px;
    }
    .rating{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .score{
      display:flex;
      flex-direction:column;
      gap:4px;
      padding: 12px 12px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      height: fit-content;
    }
    .score strong{ font-size: 26px; letter-spacing:-.8px; }
    .score span{ color: rgba(17,24,39,.70); font-size: 13px; }

    .compare-card{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items: start;
    }

    .accordion{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .acc-item{
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      border-radius: 18px;
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .acc-btn{
      width:100%;
      text-align:left;
      background: transparent;
      border:0;
      padding: 14px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      cursor:pointer;
      color: rgba(17,24,39,.92);
    }
    .acc-q{
      font-weight: 900;
      letter-spacing:-.2px;
      font-size: 13.8px;
    }
    .acc-icon{
      width:34px; height:34px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.9);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
      transition: transform .2s ease;
    }
    .acc-item[data-open="true"] .acc-icon{ transform: rotate(45deg); }
    .acc-panel{
      max-height: 0;
      overflow:hidden;
      transition: max-height .28s ease;
    }
    .acc-panel .inner{
      padding: 0 14px 14px 14px;
      color: rgba(17,24,39,.72);
      font-size: 13px;
      line-height:1.75;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .comment{
      padding: 16px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      transition: transform .18s ease, border-color .18s ease;
    }
    .comment:hover{ transform: translateY(-2px); border-color: rgba(37,99,235,.22); }
    .comment .top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
      margin-bottom: 10px;
    }
    .person{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .avatar{
      width:40px; height:40px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(37,99,235,.18), rgba(124,58,237,.14));
      border:1px solid rgba(17,24,39,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight: 900;
      color: rgba(17,24,39,.86);
    }
    .person strong{ display:block; font-size: 13.5px; }
    .person span{ display:block; margin-top:4px; color: rgba(17,24,39,.68); font-size:12.5px; }
    .stars{
      color: var(--warn);
      font-size: 13px;
      font-weight: 900;
      white-space:nowrap;
    }
    .comment p{
      margin:0;
      color: rgba(17,24,39,.72);
      font-size: 13px;
      line-height:1.75;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .tagcloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .form{
      border-radius: 22px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      padding: 16px;
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .field label{
      font-size: 13px;
      color: rgba(17,24,39,.78);
      font-weight: 800;
      letter-spacing:-.1px;
    }
    .input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.92);
      padding: 12px 12px;
      font-size: 14px;
      color: rgba(17,24,39,.92);
      outline:none;
      transition: box-shadow .18s ease, border-color .18s ease;
    }
    textarea{ min-height: 96px; resize: vertical; }
    .input:focus, select:focus, textarea:focus{
      box-shadow: 0 0 0 4px var(--focus);
      border-color: rgba(37,99,235,.32);
    }
    .form-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-top: 12px;
      flex-wrap: wrap;
    }
    .hint{
      color: rgba(17,24,39,.68);
      font-size: 12.5px;
      line-height:1.6;
      max-width: 62ch;
    }

    .btn-submit{
      background: linear-gradient(135deg, rgba(37,99,235,.18), rgba(124,58,237,.12));
      border-color: rgba(37,99,235,.32);
    }

    .footer{
      padding: 20px 0 26px;
      background:
        radial-gradient(880px 300px at 10% 0%, rgba(37,99,235,.12), transparent 55%),
        radial-gradient(740px 320px at 90% 10%, rgba(124,58,237,.10), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.65));
      border-top: 1px solid rgba(17,24,39,.08);
      margin-top: 12px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items:start;
    }
    .footer-card{
      border-radius: 22px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      padding: 16px;
    }
    .foot-top{
      display:flex;
      align-items:flex-start;
      gap:12px;
    }
    .foot-top img{
      width:44px; height:44px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background:#fff;
      padding:6px;
      object-fit: cover;
      flex: 0 0 auto;
    }
    .foot-top strong{
      display:block;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .foot-top span{
      display:block;
      margin-top:6px;
      color: rgba(17,24,39,.68);
      font-size: 13px;
      line-height:1.6;
    }
    .foot-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top: 12px;
    }
    .foot-links a{
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.88);
      padding: 9px 10px;
      border-radius: 999px;
      font-size: 12.8px;
      font-weight: 800;
      color: rgba(17,24,39,.80);
      transition: transform .18s ease, border-color .18s ease;
    }
    .foot-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.24);
    }
    .copy{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top: 12px;
      flex-wrap:wrap;
      color: rgba(17,24,39,.65);
      font-size: 12.5px;
    }

    .kefu-float{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events: none;
    }
    .kefu-pill{
      pointer-events:auto;
      display:flex;
      align-items:center;
      gap:10px;
      padding: 10px 12px;
      border-radius: 999px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 18px 40px rgba(17,24,39,.12);
      cursor:pointer;
      transition: transform .18s ease, border-color .18s ease;
      user-select:none;
    }
    .kefu-pill:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.24);
    }
    .kefu-pill .bubble{
      width: 36px; height:36px;
      border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(37,99,235,.18), rgba(124,58,237,.14));
      border:1px solid rgba(37,99,235,.22);
    }
    .kefu-pill strong{ font-size: 13px; }
    .kefu-tip{ color: rgba(17,24,39,.62); font-size: 12px; margin-top:2px; display:block; }

    .kefu-pop{
      pointer-events:auto;
      width: 280px;
      border-radius: 20px;
      border:1px solid rgba(17,24,39,.12);
      background: rgba(255,255,255,.95);
      box-shadow: 0 26px 70px rgba(17,24,39,.18);
      overflow:hidden;
      transform-origin: 100% 100%;
      opacity: 0;
      transform: translateY(8px) scale(.98);
      transition: opacity .18s ease, transform .18s ease;
      display:none;
    }
    .kefu-pop[data-open="true"]{
      display:block;
      opacity: 1;
      transform: translateY(0) scale(1);
    }
    .kefu-pop .head{
      padding: 12px 14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      border-bottom:1px solid rgba(17,24,39,.08);
    }
    .kefu-pop .head strong{ font-size: 13.5px; }
    .kefu-close{
      width: 34px; height:34px;
      border-radius: 14px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.9);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease, border-color .18s ease;
    }
    .kefu-close:hover{ transform: translateY(-1px); border-color: rgba(37,99,235,.22); }
    .kefu-pop .body{
      padding: 12px 14px 14px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .kefu-pop img{
      width: 130px; height:130px;
      object-fit: cover;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.12);
      background: #fff;
      align-self:flex-start;
    }
    .kefu-pop p{
      margin:0;
      color: rgba(17,24,39,.68);
      font-size: 12.8px;
      line-height:1.7;
    }

    .toast{
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 120;
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(17,24,39,.92);
      color: #fff;
      font-weight: 800;
      font-size: 13px;
      opacity: 0;
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
    }
    .toast[data-show="true"]{
      opacity: 1;
      transform: translateX(-50%) translateY(-6px);
    }

    .reveal{
      opacity: 0;
      transform: translateY(10px);
      transition: opacity .5s ease, transform .5s ease;
    }
    .reveal[data-in="true"]{
      opacity: 1;
      transform: translateY(0);
    }

    .skip-link{
      position:absolute;
      top:-40px; left: 12px;
      background:#fff;
      border:1px solid rgba(17,24,39,.12);
      padding: 10px 12px;
      border-radius: 12px;
      z-index: 200;
      transition: top .18s ease;
    }
    .skip-link:focus{ top: 12px; outline:none; box-shadow: 0 0 0 4px var(--focus); }

    .anchor-space{ scroll-margin-top: 90px; }

    .case-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .case-card{
      padding: 16px;
      border-radius: 22px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      overflow:hidden;
    }

    .case-bullets{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top: 12px;
    }
    .bullet{
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.86);
    }
    .bullet strong{ display:block; font-size: 13.5px; }
    .bullet span{ display:block; margin-top:6px; color: rgba(17,24,39,.70); font-size: 12.8px; line-height:1.6; }

    .list-vertical{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .list-item{
      padding: 12px 12px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
      transition: transform .18s ease, border-color .18s ease;
    }
    .list-item:hover{
      transform: translateY(-2px);
      border-color: rgba(37,99,235,.22);
    }
    .list-item .row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .list-item strong{
      font-size: 13.8px;
      letter-spacing:-.2px;
    }
    .list-item .meta{
      color: rgba(17,24,39,.62);
      font-size: 12.5px;
      margin-top:6px;
      line-height:1.6;
    }
    .list-item .link{
      color: rgba(37,99,235,.98);
      font-weight: 900;
      font-size: 12.8px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(37,99,235,.24);
      background: rgba(37,99,235,.06);
      white-space: nowrap;
      transition: transform .18s ease;
    }
    .list-item:hover .link{ transform: translateY(-1px); }

    .price-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .price-card{
      padding: 16px;
      border-radius: 22px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
    }
    .price-card h3{ margin:0 0 8px; font-size: 15.5px; letter-spacing:-.2px; }
    .price-card p{ margin:0 0 12px; color: rgba(17,24,39,.70); font-size: 13px; line-height:1.75; }
    .price-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      padding: 10px 0;
      border-bottom:1px dashed rgba(17,24,39,.12);
      font-size: 13px;
      color: rgba(17,24,39,.86);
    }
    .price-line:last-child{ border-bottom:0; padding-bottom: 0; }
    .price-line .k{
      display:flex; align-items:center; gap:10px;
      color: rgba(17,24,39,.70);
      font-weight: 800;
    }
    .dot-mini{
      width:10px; height:10px; border-radius:999px;
      background: linear-gradient(135deg, var(--brand), var(--brand3));
      box-shadow: 0 10px 22px rgba(37,99,235,.22);
      flex:0 0 auto;
    }
    .price-line .v{
      font-weight: 950;
      letter-spacing:-.2px;
    }

    .time-line{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .time-point{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px 12px;
      border-radius: 18px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.82);
    }
    .time-point .bar{
      width: 38px;
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:8px;
      flex: 0 0 auto;
    }
    .time-point .bar i{
      width:12px; height:12px; border-radius:999px;
      background: linear-gradient(135deg, rgba(37,99,235,.95), rgba(124,58,237,.85));
      box-shadow: 0 10px 22px rgba(37,99,235,.24);
      display:block;
    }
    .time-point .bar em{
      width:2px;
      height: 30px;
      background: rgba(17,24,39,.14);
      display:block;
      border-radius:2px;
    }
    .time-point:last-child .bar em{ display:none; }
    .time-point strong{
      display:block;
      font-size: 13.8px;
      letter-spacing:-.2px;
    }
    .time-point span{
      display:block;
      margin-top:6px;
      color: rgba(17,24,39,.70);
      font-size: 12.8px;
      line-height:1.7;
    }

    .img-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top: 12px;
    }
    .imgbox{
      border-radius: 22px;
      border:1px solid rgba(17,24,39,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 18px 40px rgba(17,24,39,.06);
      overflow:hidden;
    }
    .imgbox .cap{
      padding: 10px 12px;
      border-top:1px solid rgba(17,24,39,.08);
      color: rgba(17,24,39,.72);
      font-size: 12.8px;
      line-height:1.6;
      background: rgba(255,255,255,.72);
    }
    .imgbox img{
      width: 100%;
      height: auto;
      display:block;
      object-fit: contain;
    }

    @media (max-width: 980px){
      .nav-links{ display:none; }
      .mobile-toggle{ display:inline-flex; }
      .mobile-menu{ display:block; }
      .hero-grid{ grid-template-columns: 1fr; }
      .cards-2{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr 1fr; }
      .split{ grid-template-columns: 1fr; }
      .compare-card{ grid-template-columns: 1fr; }
      .comments{ grid-template-columns: 1fr; }
      .grid-3{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .price-grid{ grid-template-columns: 1fr; }
      .form-grid{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      table{ min-width: 640px; }
      .img-row{ grid-template-columns: 1fr; }
      .metric-grid{ grid-template-columns: 1fr 1fr; }
      .pill{ min-width: 0; flex: 1 1 240px; }
    }

    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior:auto; }
      .reveal{ transition:none; opacity:1; transform:none; }
      .card, .metric, .step, .list-item, .comment{ transition:none; }
      .acc-panel{ transition:none; }
      .kefu-pop{ transition:none; }
      .btn{ transition:none; }
    }