*{
      margin:0;
      padding:0;
      box-sizing:border-box;
    }

    body{
      font-family:Arial, sans-serif;
      background:#f4f7fb;
      color:#1e293b;
      min-height:100vh;
    }

    .bg{
      position:fixed;
      inset:0;
      background:
        radial-gradient(circle at top left,#dbeafe,transparent 35%),
        radial-gradient(circle at bottom right,#cffafe,transparent 35%);
      z-index:-1;
    }

    .container{
      max-width:1100px;
      margin:auto;
      padding:50px 20px;
    }

    header{
      text-align:center;
      margin-bottom:38px;
    }

    header h1{
      font-size:48px;
      line-height:1.15;
      margin-bottom:14px;
      color:#0f172a;
    }

    header p{
      max-width:820px;
      margin:auto;
      color:#475569;
      font-size:18px;
      line-height:1.7;
    }

    .card,
    .seo-card{
      background:#fff;
      border:1px solid #e2e8f0;
      border-radius:28px;
      box-shadow:0 10px 40px rgba(15,23,42,.07);
    }

    .card{
      padding:34px;
    }

    .grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      margin-bottom:22px;
    }

    .field{
      display:flex;
      flex-direction:column;
    }

    label{
      margin-bottom:10px;
      color:#334155;
      font-weight:700;
    }

    input,
    select{
      background:#fff;
      border:1px solid #cbd5e1;
      border-radius:16px;
      padding:16px;
      font-size:16px;
      color:#0f172a;
      transition:.2s;
    }

    input:focus,
    select:focus{
      outline:none;
      border-color:#2563eb;
      box-shadow:0 0 0 4px rgba(37,99,235,.1);
    }

    .field-hint{
      margin-top:8px;
      font-size:13px;
      color:#64748b;
      line-height:1.45;
    }

    .main-btn{
      width:100%;
      border:none;
      border-radius:18px;
      padding:18px;
      background:linear-gradient(90deg,#2563eb,#0ea5e9);
      color:white;
      font-size:18px;
      font-weight:700;
      cursor:pointer;
      transition:.25s;
      margin-top:8px;
    }

    .main-btn:hover{
      transform:translateY(-2px);
      box-shadow:0 12px 30px rgba(37,99,235,.25);
    }

    .examples{
      margin-top:16px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }

    .example-btn{
      border:none;
      border-radius:12px;
      padding:10px 14px;
      background:#eff6ff;
      color:#2563eb;
      font-size:14px;
      cursor:pointer;
    }

    .calc-note{
      margin-top:18px;
      padding:14px 16px;
      background:#f8fafc;
      border:1px solid #e2e8f0;
      border-radius:14px;
      font-size:14px;
      line-height:1.6;
      color:#64748b;
    }

    .result{
      margin-top:32px;
    }

    .result h2{
      font-size:26px;
      margin-bottom:18px;
      color:#0f172a;
    }

    .result-box{
      background:#f8fafc;
      border:1px solid #e2e8f0;
      border-radius:20px;
      padding:24px;
      display:flex;
      flex-direction:column;
      gap:16px;
    }

    .result-box div{
      display:flex;
      justify-content:space-between;
      gap:20px;
    }

    .result-box span{
      color:#64748b;
    }

    .result-box strong{
      color:#2563eb;
      font-size:18px;
      word-break:break-word;
    }

    .seo-card{
      margin-top:40px;
      padding:56px;
    }

    .seo-content{
      max-width:900px;
      margin:0 auto;
    }

    .seo-content h2{
      font-size:32px;
      line-height:1.3;
      margin-top:46px;
      margin-bottom:20px;
      color:#0f172a;
    }

    .seo-content h2:first-child{
      margin-top:0;
    }

    .seo-content h3{
      font-size:22px;
      line-height:1.4;
      margin-top:30px;
      margin-bottom:12px;
      color:#0f172a;
    }

    .seo-content p{
      font-size:18px;
      line-height:1.9;
      color:#334155;
      margin-bottom:22px;
    }

    .seo-content ul,
    .seo-content ol{
      padding-left:26px;
      margin:24px 0;
    }

    .seo-content li{
      font-size:18px;
      line-height:1.75;
      color:#334155;
      margin-bottom:12px;
    }

    footer{
      margin-top:40px;
      text-align:center;
      color:#64748b;
      font-size:14px;
    }

    @media(max-width:768px){
      .container{
        padding:32px 16px;
      }

      header h1{
        font-size:34px;
      }

      header p{
        font-size:16px;
      }

      .grid{
        grid-template-columns:1fr;
      }

      .card,
      .seo-card{
        padding:24px;
        border-radius:22px;
      }

      .seo-content h2{
        font-size:26px;
      }

      .seo-content h3{
        font-size:20px;
      }

      .seo-content p,
      .seo-content li{
        font-size:16px;
        line-height:1.8;
      }

      .result-box div{
        flex-direction:column;
        gap:6px;
      }
    }
	
	.calc-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}

.calc-column{
  display:flex;
  flex-direction:column;
  gap:20px;
}

.calc-column h3{
  font-size:20px;
  color:#0f172a;
  margin-bottom:4px;
}

optgroup{
  font-weight:700;
  color:#0f172a;
}

option{
  font-weight:400;
}

@media(max-width:768px){
  .calc-layout{
    grid-template-columns:1fr;
  }
}

.quick-card{
  margin-top:28px;
  background:#ffffff;
  border:1px solid #e2e8f0;
  border-radius:28px;
  padding:34px;
  box-shadow:0 10px 40px rgba(15,23,42,.06);
}

.quick-content h2{
  font-size:28px;
  line-height:1.3;
  color:#0f172a;
  margin-bottom:12px;
}

.quick-content > p{
  color:#475569;
  font-size:17px;
  line-height:1.7;
  margin-bottom:22px;
}

.quick-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}

.quick-btn{
  text-align:left;
  border:1px solid #dbe3ef;
  background:#f8fafc;
  border-radius:18px;
  padding:16px;
  cursor:pointer;
  transition:.2s;
  min-height:110px;
}

.quick-btn:hover{
  transform:translateY(-2px);
  background:#eff6ff;
  border-color:#93c5fd;
  box-shadow:0 10px 24px rgba(37,99,235,.12);
}

.quick-btn.active{
  background:#eff6ff;
  border-color:#2563eb;
  box-shadow:0 0 0 4px rgba(37,99,235,.10);
}

.quick-btn strong{
  display:block;
  font-size:16px;
  line-height:1.35;
  color:#0f172a;
  margin-bottom:8px;
}

.quick-btn span{
  display:block;
  font-size:13px;
  line-height:1.45;
  color:#64748b;
}

.quick-note{
  margin-top:18px;
  padding:14px 16px;
  border-radius:14px;
  background:#f8fafc;
  border:1px solid #e2e8f0;
  color:#475569;
  font-size:14px;
  line-height:1.6;
}

@media(max-width:1000px){
  .quick-grid{
    grid-template-columns:repeat(2,1fr);
  }
}

@media(max-width:640px){
  .quick-card{
    padding:24px;
  }

  .quick-grid{
    grid-template-columns:1fr;
  }
}

.msk-extra{
  margin-top:4px;
  padding:16px;
  border-radius:16px;
  background:#f8fafc;
  border:1px solid #e2e8f0;
}

.msk-extra label{
  margin-top:12px;
}

.msk-extra label:first-child{
  margin-top:0;
}

[hidden]{
  display:none !important;
}

.sk63-extra{
  margin-top:4px;
  padding:16px;
  border-radius:16px;
  background:#f8fafc;
  border:1px solid #e2e8f0;
}

.site-footer{
  margin-top:48px;
  padding:32px 20px;
  border-top:1px solid #e5e7eb;
  background:#ffffff;
}

.footer-inner{
  max-width:1100px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}

.footer-links{
  display:flex;
  gap:20px;
  flex-wrap:wrap;
}

.footer-links a{
  color:#64748b;
  text-decoration:none;
  font-size:14px;
}

.footer-links a:hover{
  color:#0f172a;
}

.footer-copy{
  color:#94a3b8;
  font-size:14px;
}

.ad-desktop {
  display: block;
}

.ad-mobile-tablet {
  display: none;
}

/* Планшеты и смартфоны */
@media (max-width: 1024px) {
  .ad-desktop {
    display: none;
  }

  .ad-mobile-tablet {
    display: block;
  }
}

.msk-search{
  width:100%;
  margin-bottom:8px;
  padding:10px 12px;
  border:1px solid #dbe3ef;
  border-radius:12px;
}

.msk-search-results{
  display:none;
  margin-bottom:10px;
  border:1px solid #e2e8f0;
  border-radius:12px;
  overflow:hidden;
  background:#fff;
}

.msk-search-item{
  padding:10px 12px;
  cursor:pointer;
  font-size:14px;
}

.msk-search-item:hover{
  background:#f1f5f9;
}

.copy-btn{
  margin-left:8px;
  width:28px;
  height:28px;
  border:1px solid #e2e8f0;
  border-radius:8px;
  background:#fff;
  cursor:pointer;
  color:#64748b;
}

.copy-btn:hover{
  background:#f8fafc;
  color:#0f172a;
}

.step-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  margin-right:8px;
  border-radius:999px;
  background:#2563eb;
  color:#fff;
  font-size:14px;
  font-weight:700;
}

.result-heading{
  display:flex;
  align-items:center;
  margin:18px 0 10px;
  color:#0f172a;
}

@media (max-width: 768px){
  .calc-layout{
    gap:18px;
  }

  .calc-column{
    padding:16px;
    border:1px solid #e2e8f0;
    border-radius:18px;
    background:#ffffff;
  }

  .calc-column:first-child{
    box-shadow:0 10px 30px rgba(37,99,235,.08);
  }

  .calc-column:nth-child(2){
    box-shadow:0 10px 30px rgba(15,23,42,.06);
  }

  .field{
    margin-bottom:16px;
  }

  .field label{
    font-size:14px;
    font-weight:700;
  }

  .field-hint{
    display:block;
    margin-top:6px;
    font-size:12px;
    line-height:1.35;
  }

  .main-btn{
    position:sticky;
    bottom:12px;
    z-index:20;
    box-shadow:0 12px 28px rgba(37,99,235,.28);
  }
}

.optional-label{
  color:#64748b;
  font-weight:400;
  font-size:12px;
}

.optional-label{
  color:#64748b;
  font-weight:400;
  font-size:12px;
}

.auto-detect-hint{
  display:block;
  margin-top:6px;
  color:#64748b;
  font-size:12px;
  line-height:1.35;
}

.calc-column{
  background:#fff;
  border:1px solid #e2e8f0;
  border-radius:18px;
  padding:20px;
}

@media (max-width:768px){
  .calc-column{
    padding:18px;
  }

  .calc-column:first-child{
    border-left:4px solid #2563eb;
  }

  .calc-column:nth-child(2){
    border-left:4px solid #10b981;
  }
}

  .push-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    background: rgba(0, 0, 0, 0.68);
    pointer-events: auto;
  }

  .push-overlay.is-active {
    display: block;
  }

  .push-hint {
    position: fixed;
    left: 50%;
    top: 50%;
    z-index: 1000000;
    transform: translate(-50%, -50%);
    max-width: 360px;
    width: calc(100% - 40px);
    padding: 18px 20px;
    border-radius: 16px;
    background: #fff;
    color: #111;
    font-family: Arial, sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
  }

  .push-hint small {
    display: block;
    margin-top: 8px;
    color: #555;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.4;
  }

  .push-arrow {
    display: none;
  }

  @media (min-width: 992px) {
    .push-arrow {
      display: block;
      position: fixed;
      left: 42px;
      top: 42px;
      z-index: 1000001;
      width: 260px;
      height: 190px;
      pointer-events: none;
    }

    .push-arrow-line {
      position: absolute;
      left: 74px;
      top: 104px;
      width: 145px;
      height: 5px;
      background: #fff;
      border-radius: 5px;
      transform: rotate(-45deg);
      transform-origin: left center;
      animation: pushArrowPulse 1.1s infinite;
    }

    .push-arrow-head {
      position: absolute;
      left: 195px;
      top: 2px;
      width: 22px;
      height: 22px;
      border-top: 5px solid #fff;
      border-left: 5px solid #fff;
      transform: rotate(45deg);
      animation: pushArrowPulse 1.1s infinite;
    }

    .push-arrow-text {
      position: absolute;
      left: 0;
      top: 124px;
      width: 235px;
      color: #fff;
      font-family: Arial, sans-serif;
      font-size: 15px;
      font-weight: 700;
      line-height: 1.35;
      text-shadow: 0 2px 12px rgba(0,0,0,.55);
    }

    @keyframes pushArrowPulse {
      0%, 100% { opacity: .55; }
      50% { opacity: 1; }
    }
  }