:root{
      --bg0:#f7f6f2;
      --bg1:#ffffff;
      --text:#1f2328;
      --muted:#5b6672;
      --line:rgba(20,28,36,.10);
      --card:#ffffff;
      --accent:#2f6fed;
      --accent2:#1f2937;
      --soft:#eef3ff;
      --ok:#0f8a5f;
      --warn:#b45309;
      --danger:#b91c1c;
      --shadow:0 10px 30px rgba(17,24,39,.08);
      --shadow2:0 8px 18px rgba(17,24,39,.08);
      --radius:18px;
    }
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", sans-serif;
      background:
        radial-gradient(900px 420px at 20% -10%, rgba(47,111,237,.12), transparent 60%),
        radial-gradient(700px 360px at 100% 0%, rgba(15,138,95,.10), transparent 55%),
        linear-gradient(180deg, var(--bg0), #fff 55%, #fff 100%);
      color:var(--text);
      -webkit-font-smoothing:antialiased;
      -moz-osx-font-smoothing:grayscale;
    }
    a{color:inherit}
    .container{
      width: min(1040px, calc(100% - 32px));
      margin: 0 auto;
    }
    header{
      padding: 16px 0 10px;
      position: sticky;
      top:0;
      z-index: 20;
      backdrop-filter: blur(10px);
      background: linear-gradient(180deg, rgba(247,246,242,.80), rgba(247,246,242,.55));
      border-bottom: 1px solid rgba(20,28,36,.06);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width: 180px;
    }
    .logo{
      width:34px;height:34px;border-radius:12px;
      background: linear-gradient(135deg, rgba(47,111,237,.95), rgba(15,138,95,.85));
      box-shadow: 0 10px 24px rgba(47,111,237,.18);
      display:grid;place-items:center;
      color:#fff;font-weight:800;font-size:14px;
      user-select:none;
    }
    .brand span{
      font-weight:800;
      letter-spacing:.2px;
      font-size:15px;
      color:#111827;
    }
    .navlinks{
      display:flex;
      align-items:center;
      gap:16px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .navlinks a{
      text-decoration:none;
      color:var(--muted);
      font-size:14px;
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: background .15s ease, border-color .15s ease, transform .15s ease;
    }
    .navlinks a:hover{
      background: rgba(47,111,237,.06);
      border-color: rgba(47,111,237,.18);
      transform: translateY(-1px);
    }
    .navcta{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(47,111,237,.25);
      background: linear-gradient(180deg, #2f6fed, #2a63e4);
      color:#fff;
      padding:11px 14px;
      border-radius:14px;
      font-weight:700;
      font-size:14px;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      box-shadow: 0 14px 30px rgba(47,111,237,.18);
      transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform: translateY(-1px); box-shadow: 0 18px 38px rgba(47,111,237,.22);}
    .btn:active{transform: translateY(0px); filter: brightness(.98);}
    .btn.secondary{
      background: #fff;
      color:#1f2937;
      border-color: rgba(31,41,55,.14);
      box-shadow:none;
    }
    .btn.secondary:hover{
      background: rgba(31,41,55,.03);
      box-shadow:none;
      transform: translateY(-1px);
    }
    .icon{
      width:18px;height:18px;display:inline-block;
    }

    .hero{
      padding: 26px 0 14px;
    }
    .heroGrid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 16px;
      align-items: start;
    }
    .heroCard{
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.80));
      border: 1px solid rgba(20,28,36,.08);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 20px;
      overflow:hidden;
      position:relative;
    }
    .heroCard:before{
      content:"";
      position:absolute;
      inset:-2px -2px auto -2px;
      height: 160px;
      background:
        radial-gradient(240px 120px at 18% 30%, rgba(47,111,237,.22), transparent 60%),
        radial-gradient(240px 120px at 70% 10%, rgba(15,138,95,.16), transparent 60%),
        linear-gradient(90deg, rgba(255,255,255,.0), rgba(255,255,255,.7));
      pointer-events:none;
      opacity:.9;
    }
    .heroTop{
      position:relative;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .kicker{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(47,111,237,.08);
      border:1px solid rgba(47,111,237,.18);
      color:#1d4ed8;
      font-weight:700;
      font-size:13px;
      user-select:none;
    }
    .pill .dot{
      width:8px;height:8px;border-radius:50%;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(47,111,237,.12);
    }
    .hero h1{
      position:relative;
      margin:0;
      font-size: 30px;
      line-height:1.18;
      letter-spacing:-.4px;
    }
    .sub{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.6;
      max-width: 60ch;
      position:relative;
    }
    .heroActions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top: 6px;
      position:relative;
    }
    .quickGrid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px;
      margin-top: 14px;
      position:relative;
    }
    .mini{
      border: 1px solid rgba(20,28,36,.08);
      background: rgba(255,255,255,.85);
      border-radius: 16px;
      padding: 12px 12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
    }
    .mini:hover{
      transform: translateY(-2px);
      border-color: rgba(47,111,237,.22);
      box-shadow: var(--shadow2);
    }
    .mini .badge{
      width:34px;height:34px;border-radius:14px;
      background: rgba(47,111,237,.10);
      border: 1px solid rgba(47,111,237,.20);
      display:grid;place-items:center;
      color: #1d4ed8;
      flex:0 0 auto;
      user-select:none;
      font-weight:800;
      font-size:14px;
    }
    .mini .t{
      font-weight:800;
      font-size:13px;
      margin:1px 0 4px;
    }
    .mini .d{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
    }

    .sideCard{
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(20,28,36,.08);
      border-radius: var(--radius);
      box-shadow: 0 10px 24px rgba(17,24,39,.06);
      padding: 16px;
      overflow:hidden;
    }
    .sideHead{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .sideHead h2{
      margin:0;
      font-size:16px;
      letter-spacing:-.2px;
    }
    .estimate{
      display:flex;flex-direction:column; align-items:flex-end; gap:4px;
      padding: 8px 10px;
      border-radius: 14px;
      background: rgba(47,111,237,.06);
      border: 1px solid rgba(47,111,237,.14);
      min-width: 128px;
    }
    .estimate strong{
      font-size:14px;
      color:#1f2a37;
      letter-spacing:.2px;
    }
    .estimate span{
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
    }
    .sideList{
      margin: 0;
      padding-left: 0;
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .sideItem{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:10px 10px;
      border-radius: 14px;
      background: #fff;
      border:1px solid rgba(20,28,36,.08);
    }
    .tick{
      width:22px;height:22px;border-radius:8px;
      background: rgba(15,138,95,.10);
      border:1px solid rgba(15,138,95,.22);
      display:grid;place-items:center;
      color: var(--ok);
      flex:0 0 auto;
      user-select:none;
      font-weight:900;
      font-size:12px;
    }
    .sideItem b{
      display:block;
      font-size:13px;
      margin-top:1px;
    }
    .sideItem p{
      margin: 4px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
    }

    main{
      padding: 6px 0 26px;
    }
    .section{
      margin-top: 14px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,28,36,.07);
      border-radius: var(--radius);
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      overflow:hidden;
    }
    .section .inner{
      padding: 18px;
    }
    .sectionHeader{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom: 12px;
      flex-wrap:wrap;
    }
    .sectionHeader h2{
      margin:0;
      font-size:18px;
      letter-spacing:-.25px;
    }
    .sectionHeader .tag{
      font-size:13px;
      color:#1f2a37;
      background: rgba(15,138,95,.08);
      border:1px solid rgba(15,138,95,.20);
      padding: 8px 10px;
      border-radius: 999px;
      font-weight:700;
      user-select:none;
    }

    .twoCol{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .card{
      background: #fff;
      border: 1px solid rgba(20,28,36,.08);
      border-radius: 16px;
      padding: 14px;
    }
    .card h3{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .steps{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top: 10px;
    }
    .step{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      background: rgba(47,111,237,.04);
      border:1px solid rgba(47,111,237,.12);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .step:hover{
      transform: translateY(-2px);
      border-color: rgba(47,111,237,.22);
      background: rgba(47,111,237,.06);
    }
    .num{
      width:34px;height:34px;border-radius:14px;
      background: rgba(47,111,237,.12);
      border:1px solid rgba(47,111,237,.20);
      display:grid;place-items:center;
      color:#1d4ed8;
      font-weight:900;
      user-select:none;
      flex:0 0 auto;
    }
    .step b{
      display:block;
      font-size:14px;
      margin-top:2px;
    }
    .step span{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
    }

    .faqGrid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    details{
      background:#fff;
      border:1px solid rgba(20,28,36,.08);
      border-radius: 16px;
      padding: 12px 12px;
      transition: border-color .15s ease, transform .15s ease;
    }
    details[open]{
      border-color: rgba(47,111,237,.22);
      box-shadow: 0 12px 24px rgba(47,111,237,.10);
      transform: translateY(-2px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      font-weight:800;
      font-size:14px;
      letter-spacing:-.15px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color:#111827;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none}
    .chev{
      width:22px;height:22px;border-radius:10px;
      border:1px solid rgba(20,28,36,.10);
      background: rgba(31,41,55,.02);
      display:grid;place-items:center;
      flex:0 0 auto;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
    }
    details[open] .chev{
      transform: rotate(180deg);
      border-color: rgba(47,111,237,.22);
      background: rgba(47,111,237,.06);
    }
    details .ans{
      margin-top: 10px;
      color: var(--muted);
      font-size: 14px;
      line-height:1.75;
    }

    .contact{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .formCard{
      background:#fff;
      border:1px solid rgba(20,28,36,.08);
      border-radius: var(--radius);
      padding: 14px;
    }
    .formTitle{
      margin:0 0 8px;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .formHint{
      margin:0 0 12px;
      color: var(--muted);
      font-size:14px;
      line-height:1.6;
    }
    form{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .row2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    label{
      display:flex;
      flex-direction:column;
      gap:6px;
      font-size:13px;
      color:#1f2a37;
      font-weight:700;
    }
    input, textarea, select{
      width:100%;
      border:1px solid rgba(20,28,36,.12);
      background: #fff;
      border-radius: 14px;
      padding: 11px 12px;
      font-size:14px;
      color:#111827;
      outline:none;
      transition: border-color .15s ease, box-shadow .15s ease;
    }
    textarea{min-height: 96px; resize: vertical;}
    input:focus, textarea:focus, select:focus{
      border-color: rgba(47,111,237,.40);
      box-shadow: 0 0 0 4px rgba(47,111,237,.12);
    }
    .formActions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top: 2px;
    }
    .submitBtn{
      border:1px solid rgba(47,111,237,.25);
      background: linear-gradient(180deg, #2f6fed, #2a63e4);
      color:#fff;
      padding:12px 14px;
      border-radius: 14px;
      font-weight:800;
      font-size:14px;
      cursor:pointer;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-width: 152px;
      box-shadow: 0 14px 30px rgba(47,111,237,.18);
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .submitBtn:hover{transform: translateY(-1px); box-shadow: 0 18px 38px rgba(47,111,237,.22);}
    .submitBtn:active{transform: translateY(0px); filter: brightness(.99);}
    .submitBtn[disabled]{
      opacity:.68;
      cursor:not-allowed;
      transform:none;
      box-shadow:none;
    }
    .clearBtn{
      border:1px solid rgba(31,41,55,.14);
      background:#fff;
      color:#111827;
      padding:12px 14px;
      border-radius: 14px;
      font-weight:800;
      font-size:14px;
      cursor:pointer;
      transition: background .15s ease, transform .15s ease;
    }
    .clearBtn:hover{background: rgba(31,41,55,.03); transform: translateY(-1px);}
    .msg{
      border-radius: 14px;
      padding: 10px 12px;
      font-size: 13.5px;
      line-height:1.55;
      border:1px solid rgba(20,28,36,.10);
      background: rgba(31,41,55,.02);
      color:#111827;
      display:none;
    }
    .msg.show{display:block;}
    .msg.ok{
      border-color: rgba(15,138,95,.25);
      background: rgba(15,138,95,.08);
      color: #0b5138;
    }
    .msg.err{
      border-color: rgba(185,28,28,.25);
      background: rgba(185,28,28,.06);
      color: #7f1d1d;
    }

    .contactAside{
      background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.76));
      border: 1px solid rgba(20,28,36,.08);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 10px 22px rgba(17,24,39,.05);
      overflow:hidden;
      position:relative;
    }
    .contactAside:before{
      content:"";
      position:absolute;
      inset:auto -40px -60px -40px;
      height: 220px;
      background: radial-gradient(240px 140px at 30% 30%, rgba(47,111,237,.18), transparent 60%),
                  radial-gradient(260px 160px at 80% 20%, rgba(15,138,95,.15), transparent 60%);
      pointer-events:none;
      opacity:.85;
    }
    .contactAside h3{
      margin:0 0 8px;
      font-size:16px;
      letter-spacing:-.2px;
      position:relative;
    }
    .contactAside p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      position:relative;
    }
    .asideChips{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top: 12px;
      position:relative;
    }
    .chip{
      padding:8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.75);
      border:1px solid rgba(20,28,36,.10);
      color:#1f2a37;
      font-weight:800;
      font-size:13px;
      user-select:none;
    }

    footer{
      background: #0f172a;
      color:#e5e7eb;
      margin-top: 14px;
      border-top: 1px solid rgba(255,255,255,.08);
    }
    .footInner{
      padding: 18px 0;
    }
    .footGrid{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    .footLeft{
      max-width: 520px;
    }
    .footLeft b{
      display:block;
      font-size:14px;
      color:#fff;
      margin-bottom:6px;
    }
    .footLeft p{
      margin:0;
      color:#cbd5e1;
      font-size:13.5px;
      line-height:1.7;
    }
    .footLinks{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:flex-end;
    }
    .footLinks a{
      text-decoration:none;
      color:#cbd5e1;
      font-size:13.5px;
      padding:8px 10px;
      border-radius: 12px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .footLinks a:hover{
      transform: translateY(-1px);
      border-color: rgba(255,255,255,.18);
      background: rgba(255,255,255,.07);
    }
    .copy{
      margin-top: 12px;
      padding-top: 12px;
      border-top: 1px solid rgba(255,255,255,.08);
      color:#94a3b8;
      font-size:12.5px;
      display:flex;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }

    @media (max-width: 900px){
      .heroGrid{grid-template-columns: 1fr; }
      .faqGrid{grid-template-columns: 1fr; }
      .twoCol{grid-template-columns: 1fr; }
      .contact{grid-template-columns: 1fr; }
      .navlinks{display:none;}
    }
    @media (prefers-reduced-motion: reduce){
      .mini, .step, details[open], .btn, .submitBtn, .clearBtn, .navlinks a{transition:none !important;}
    }