:root {
    --primary: #5560A8;
    --primary-dark: #434C8C;
    --navy: #2E3466;
    --charcoal: #4A4A55;
    --muted: #7B7F93;
    --tint: #EEF0F9;
    --tint-2: #E2E5F5;
    --line: #DDE0EE;
    --white: #FFFFFF;
    --radius: 16px;
    --max: 1120px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body {
    font-family: 'Pretendard Variable', Pretendard, 'Malgun Gothic', 'Segoe UI', -apple-system, sans-serif;
    color: var(--charcoal);
    background: var(--white);
    line-height: 1.65;
    letter-spacing: -0.025em;
    word-break: keep-all;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; }
  ul { list-style: none; }
  img { max-width: 100%; display: block; }
  .wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
  section { padding: 96px 0; }
  section.tint { background: var(--tint); }
  h1, h2, h3, h4 { color: var(--navy); font-weight: 700; line-height: 1.3; }
  h2 { font-size: 36px; margin-bottom: 16px; }
  h3 { font-size: 22px; }
  .eyebrow {
    display: inline-block; font-size: 14px; font-weight: 700; color: var(--primary);
    letter-spacing: 0.02em; margin-bottom: 12px; text-transform: uppercase;
  }
  .lead { font-size: 18px; color: var(--muted); max-width: 680px; }
  .sec-head { margin-bottom: 48px; }
  .btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 14px 26px; border-radius: 10px;
    font-weight: 700; font-size: 16px; transition: all .2s ease; border: 2px solid transparent; cursor: pointer;
  }
  .btn-primary { background: var(--primary); color: var(--white); }
  .btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
  .btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
  .btn-outline:hover { background: var(--tint); }
  .btn-white { background: var(--white); color: var(--navy); }
  .btn-white:hover { background: var(--tint); }
  .btn svg { width: 18px; height: 18px; }
  .btn-row { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

  /* Header */
  header {
    position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92);
    backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
  }
  .nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
  .logo { display: flex; align-items: center; gap: 10px; }
  .logo img { height: 40px; width: auto; }
  .logo .wordmark { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; color: var(--charcoal); line-height: 1; white-space: nowrap; }
  .logo .wordmark b { color: var(--primary); font-weight: 800; }
  .menu { display: flex; align-items: center; gap: 32px; }
  .menu a { font-weight: 600; font-size: 15px; color: var(--charcoal); transition: color .2s; }
  .menu a:hover { color: var(--primary); }
  .menu .btn { padding: 10px 20px; font-size: 14px; }
  .burger { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; }
  .burger span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px auto; transition: .2s; }

  /* Hero */
  .hero {
    padding: 120px 0 100px;
    background:
      radial-gradient(900px 500px at 85% 0%, rgba(85,96,168,.14), transparent 60%),
      radial-gradient(600px 400px at 0% 100%, rgba(85,96,168,.10), transparent 60%),
      var(--white);
  }
  .hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
  .hero h1 { font-size: 52px; margin-bottom: 24px; letter-spacing: -0.03em; }
  .hero h1 em { font-style: normal; color: var(--primary); }
  .hero p { font-size: 19px; color: var(--muted); margin-bottom: 36px; max-width: 560px; }
  .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
  .hero-art { position: relative; }
  .hero-card {
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 22px 24px; box-shadow: 0 20px 50px rgba(46,52,102,.10); display: flex; gap: 16px; align-items: center;
    margin-bottom: 14px; animation: float 6s ease-in-out infinite;
  }
  .hero-card:nth-child(2) { animation-delay: 1s; margin-left: 36px; }
  .hero-card:nth-child(3) { animation-delay: 2s; margin-left: 12px; }
  .hero-card .ic { flex: 0 0 48px; width: 48px; height: 48px; border-radius: 12px; background: var(--tint); display: grid; place-items: center; }
  .hero-card .ic svg { width: 24px; height: 24px; }
  .hero-card strong { display: block; color: var(--navy); font-size: 16px; }
  .hero-card span { font-size: 14px; color: var(--muted); }
  @keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

  /* Pillars */
  .pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .pillar {
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 32px;
    transition: all .25s ease; position: relative; overflow: hidden;
  }
  .pillar::before {
    content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: var(--primary);
    transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
  }
  .pillar:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(46,52,102,.10); border-color: var(--primary); }
  .pillar:hover::before { transform: scaleX(1); }
  .pillar .ic { width: 56px; height: 56px; border-radius: 14px; background: var(--tint); display: grid; place-items: center; margin-bottom: 22px; }
  .pillar .ic svg { width: 28px; height: 28px; }
  .pillar .num { position: absolute; right: 24px; top: 20px; font-size: 48px; font-weight: 800; color: var(--tint-2); line-height: 1; }
  .pillar h3 { margin-bottom: 10px; }
  .pillar p { color: var(--muted); font-size: 15px; margin-bottom: 20px; }
  .pillar .kw { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }
  .pillar .kw span { font-size: 13px; font-weight: 600; color: var(--primary); background: var(--tint); padding: 5px 11px; border-radius: 999px; }
  .pillar .more { color: var(--primary); font-weight: 700; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; }
  .pillar .more svg { width: 16px; height: 16px; transition: transform .2s; }
  .pillar:hover .more svg { transform: translateX(4px); }

  /* Dev: featured case */
  .case {
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px;
    display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(46,52,102,.06); position: relative; overflow: hidden;
  }
  .case::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--primary); }
  .case .tag { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--primary); background: var(--tint); padding: 6px 12px; border-radius: 999px; margin-bottom: 14px; }
  .case h3 { font-size: 26px; margin-bottom: 6px; }
  .case h3 small { display: block; font-size: 15px; font-weight: 600; color: var(--muted); margin-top: 4px; }
  .case p { color: var(--muted); font-size: 15px; margin: 14px 0 22px; }
  .feat { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .feat li { background: var(--tint); border-radius: 12px; padding: 16px; display: flex; gap: 12px; align-items: flex-start; }
  .feat li svg { flex: 0 0 22px; width: 22px; height: 22px; margin-top: 1px; }
  .feat li strong { display: block; color: var(--navy); font-size: 15px; }
  .feat li span { font-size: 13px; color: var(--muted); }

  /* Service detail layouts */
  .svc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 28px; }
  .chip {
    padding: 8px 14px; border-radius: 999px; background: var(--white); border: 1px solid var(--line);
    font-size: 14px; font-weight: 600; color: var(--navy);
  }
  .chip.on { background: var(--primary); color: var(--white); border-color: var(--primary); }
  .checks { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
  .checks li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
  .checks li svg { flex: 0 0 20px; width: 20px; height: 20px; margin-top: 2px; }
  .price-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 10px 30px rgba(46,52,102,.06); }
  .price-card .head { background: var(--navy); color: var(--white); padding: 20px 28px; display: flex; justify-content: space-between; align-items: baseline; }
  .price-card .head strong { font-size: 18px; }
  .price-card .head span { font-size: 13px; opacity: .8; }
  .price-card table { width: 100%; border-collapse: collapse; }
  .price-card td { padding: 16px 28px; border-bottom: 1px solid var(--line); font-size: 15px; }
  .price-card tr:last-child td { border-bottom: 0; }
  .price-card td:first-child { color: var(--charcoal); }
  .price-card td:first-child small { color: var(--muted); margin-left: 6px; font-size: 13px; }
  .price-card td:last-child { text-align: right; font-weight: 600; color: var(--navy); font-size: 14px; }
  .price-card td:last-child em { font-style: normal; font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 2px; }
  .price-card .foot { padding: 16px 28px; background: var(--tint); font-size: 13px; color: var(--muted); }
  .note { font-size: 13px; color: var(--muted); margin-top: 16px; }
  .fields { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 48px; }
  .field { background: var(--tint); border: 1px solid var(--line); border-radius: 12px; padding: 18px 14px; text-align: center; font-size: 14px; font-weight: 600; color: var(--navy); }
  .field small { display: block; font-weight: 500; color: var(--muted); font-size: 12px; margin-top: 4px; }

  /* Flow */
  .flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; position: relative; }
  .step { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; position: relative; }
  .step .n { width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: var(--white); display: grid; place-items: center; font-weight: 800; font-size: 15px; margin-bottom: 16px; }
  .step h4 { font-size: 17px; margin-bottom: 6px; }
  .step p { font-size: 14px; color: var(--muted); }
  .step::after {
    content: ''; position: absolute; right: -14px; top: 40px; width: 12px; height: 12px;
    border-top: 2px solid var(--line); border-right: 2px solid var(--line); transform: rotate(45deg);
  }
  .step:last-child::after { display: none; }
  .cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .cat { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
  .cat .ic { width: 40px; height: 40px; border-radius: 10px; background: var(--tint); display: grid; place-items: center; margin-bottom: 12px; }
  .cat .ic svg { width: 20px; height: 20px; }
  .cat strong { display: block; color: var(--navy); font-size: 15px; margin-bottom: 4px; }
  .cat span { font-size: 13px; color: var(--muted); }

  /* Dev cards */
  .dev-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .dev-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; }
  .dev-card .ic { width: 48px; height: 48px; border-radius: 12px; background: var(--tint); display: grid; place-items: center; margin-bottom: 20px; }
  .dev-card .ic svg { width: 24px; height: 24px; }
  .dev-card h3 { font-size: 19px; margin-bottom: 10px; }
  .dev-card > p { font-size: 14px; color: var(--muted); }
  .dev-card ul { margin-top: 4px; }
  .dev-card li { font-size: 14px; color: var(--charcoal); padding-left: 14px; position: relative; margin-bottom: 6px; }
  .dev-card li::before { content: ''; position: absolute; left: 0; top: 10px; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); }
  .badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--tint); color: var(--primary); margin-left: 8px; vertical-align: middle; }
  .code-box {
    background: var(--navy); color: #C9CEEA; border-radius: 12px; padding: 20px 22px; font-family: 'Cascadia Code', Consolas, 'Courier New', monospace;
    font-size: 13px; line-height: 1.7; margin-top: 18px; overflow-x: auto; letter-spacing: 0;
  }
  .code-box .k { color: #9DA6E6; } .code-box .s { color: #B8E0C2; } .code-box .c { color: #7B82B0; }

  /* Stats */
  .stats-sec { background: var(--navy); color: var(--white); padding: 80px 0; }
  .stats-sec h2 { color: var(--white); }
  .stats-sec .lead { color: rgba(255,255,255,.7); }
  .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
  .stat { border-left: 2px solid rgba(255,255,255,.2); padding-left: 24px; }
  .stat b { display: block; font-size: 44px; font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }
  .stat b small { font-size: 22px; font-weight: 700; margin-left: 2px; }
  .stat span { display: block; font-size: 15px; color: rgba(255,255,255,.75); margin-top: 8px; }
  .stats-sec .note { color: rgba(255,255,255,.5); margin-top: 32px; }
  .why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
  .why div { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 28px; }
  .why h4 { color: var(--white); font-size: 18px; margin-bottom: 8px; }
  .why p { font-size: 14px; color: rgba(255,255,255,.7); }

  /* References */
  .refs { text-align: center; padding: 80px 0; }
  .refs .lead { margin: 0 auto; }
  .logo-group { margin-top: 36px; text-align: left; }
  .logo-group + .logo-group { margin-top: 24px; }
  .logo-group h4 { font-size: 13px; font-weight: 700; color: var(--muted); letter-spacing: .06em; margin-bottom: 12px; text-transform: uppercase; }
  .logo-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
  .logo-tile {
    background: #262626; border-radius: 14px; height: 88px; display: grid; place-items: center; padding: 0 20px;
    transition: transform .2s, box-shadow .2s;
  }
  .logo-tile:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
  .logo-tile img { max-height: 36px; max-width: 100%; width: auto; height: auto; }
  .logo-tile.txt { color: #fff; font-weight: 700; font-size: 17px; letter-spacing: -0.02em; }
  .refs .note { margin-top: 28px; }

  /* About */
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
  .about-grid blockquote { font-size: 26px; font-weight: 700; color: var(--navy); line-height: 1.45; margin: 24px 0; padding-left: 20px; border-left: 4px solid var(--primary); }
  .info-table { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  .info-table dl { display: grid; grid-template-columns: 120px 1fr; }
  .info-table dt, .info-table dd { padding: 16px 24px; border-bottom: 1px solid var(--line); font-size: 15px; }
  .info-table dt { color: var(--muted); font-weight: 600; background: var(--tint); }
  .info-table dd { color: var(--navy); font-weight: 600; }
  .info-table dt:nth-last-of-type(1), .info-table dd:last-of-type { border-bottom: 0; }

  /* Contact */
  .contact { background: linear-gradient(135deg, var(--primary) 0%, var(--navy) 100%); color: var(--white); padding: 96px 0; }
  .contact h2 { color: var(--white); }
  .contact .lead { color: rgba(255,255,255,.8); }
  .contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
  .c-card {
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); padding: 32px 28px;
    transition: all .2s; display: block;
  }
  .c-card:hover { background: rgba(255,255,255,.16); transform: translateY(-3px); }
  .c-card .ic { width: 48px; height: 48px; border-radius: 12px; background: rgba(255,255,255,.15); display: grid; place-items: center; margin-bottom: 20px; }
  .c-card .ic svg { width: 24px; height: 24px; }
  .c-card small { display: block; font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 6px; }
  .c-card strong { display: block; font-size: 22px; font-weight: 700; letter-spacing: -0.02em; }
  .c-card span { display: block; font-size: 14px; color: rgba(255,255,255,.75); margin-top: 8px; }
  .contact-addr { margin-top: 32px; font-size: 15px; color: rgba(255,255,255,.8); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
  .contact-addr a { text-decoration: underline; text-underline-offset: 3px; }

  /* Footer */
  footer { background: #1F2347; color: rgba(255,255,255,.65); padding: 48px 0 32px; font-size: 13px; }
  .f-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
  .f-brand strong { display: block; color: var(--white); font-size: 16px; margin-bottom: 10px; }
  .f-brand p { line-height: 1.8; }
  .f-links { display: flex; gap: 48px; }
  .f-links strong { display: block; color: var(--white); font-size: 14px; margin-bottom: 10px; }
  .f-links li { margin-bottom: 6px; }
  .f-links a:hover { color: var(--white); }
  .copy { border-top: 1px solid rgba(255,255,255,.1); margin-top: 32px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

  /* Reveal */
  .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.in { opacity: 1; transform: none; }

  /* Responsive */
  @media (max-width: 960px) {
    h2 { font-size: 30px; }
    .hero { padding: 72px 0 64px; }
    .hero h1 { font-size: 40px; }
    .hero-grid, .svc-grid, .about-grid, .case { grid-template-columns: 1fr; gap: 32px; }
    .hero-art { display: none; }
    .pillars, .dev-grid, .why, .contact-grid { grid-template-columns: 1fr; }
    .flow, .cat-grid, .stats { grid-template-columns: 1fr 1fr; }
    .logo-grid { grid-template-columns: repeat(4, 1fr); }
    .step::after { display: none; }
    .fields { grid-template-columns: repeat(3, 1fr); }
    .case { padding: 28px; }
    .menu {
      display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--white);
      flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line); padding: 8px 0 16px;
    }
    .menu.open { display: flex; }
    .menu a { padding: 14px 24px; }
    .menu .btn { margin: 8px 24px 0; justify-content: center; }
    .burger { display: block; }
  }
  @media (max-width: 560px) {
    section { padding: 64px 0; }
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .checks, .fields, .flow, .cat-grid, .stats, .feat { grid-template-columns: 1fr; }
    .stat b { font-size: 36px; }
    .info-table dl { grid-template-columns: 1fr; }
    .info-table dt { border-bottom: 0; padding-bottom: 4px; }
    .f-links { flex-direction: column; gap: 20px; }
    .logo-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .logo-tile { height: 68px; padding: 0 12px; border-radius: 10px; }
    .logo-tile img { max-height: 26px; }
    .logo-tile.txt { font-size: 14px; }
  }

  /* FAQ */
  .faq { max-width: 820px; }
  .faq details { border: 1px solid var(--line); border-radius: 12px; background: var(--white); margin-bottom: 10px; overflow: hidden; }
  .faq details[open] { border-color: var(--primary); }
  .faq summary { cursor: pointer; list-style: none; padding: 18px 52px 18px 22px; font-weight: 700; font-size: 16px; color: var(--navy); position: relative; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: '+'; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 22px; font-weight: 400; color: var(--primary); line-height: 1; }
  .faq details[open] summary::after { content: '−'; }
  .faq details p { padding: 0 22px 20px; font-size: 15px; color: var(--charcoal); line-height: 1.75; }
  .faq details p a, .sec-head .lead a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

  /* Guide (자료실) */
  .page-head { padding: 112px 0 48px; background: radial-gradient(900px 500px at 85% 0%, rgba(85,96,168,.12), transparent 60%), var(--white); }
  .page-head h1 { font-size: 40px; letter-spacing: -0.03em; margin-bottom: 14px; }
  .crumb { font-size: 13px; color: var(--muted); margin-bottom: 18px; display: flex; gap: 8px; flex-wrap: wrap; }
  .crumb a:hover { color: var(--primary); }
  .guide-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
  .guide-tabs button { border: 1px solid var(--line); background: #fff; color: var(--charcoal); font: inherit; font-size: 14px; font-weight: 700; padding: 9px 20px; border-radius: 999px; cursor: pointer; }
  .guide-tabs button:hover { border-color: var(--primary); color: var(--primary); }
  .guide-tabs button.on { background: var(--navy); border-color: var(--navy); color: #fff; }
  .guide-count { font-size: 15px; color: var(--charcoal); margin-bottom: 14px; }
  .guide-count b { color: var(--primary); }
  .guide-list { background: var(--white); border: 1px solid var(--line); border-top: 2px solid var(--navy); border-radius: 0 0 var(--radius) var(--radius); overflow: hidden; }
  .guide-head, .guide-row { display: grid; grid-template-columns: 64px 130px 1fr 110px; gap: 16px; align-items: center; padding: 0 24px; }
  .guide-head { background: var(--tint); font-size: 13px; font-weight: 700; color: var(--navy); height: 46px; border-bottom: 1px solid var(--line); }
  .guide-row { padding-top: 22px; padding-bottom: 22px; border-bottom: 1px solid var(--line); transition: background .2s ease; }
  .guide-row:last-child { border-bottom: 0; }
  a.guide-row:hover { background: var(--tint); }
  a.guide-row:hover .g-title strong { color: var(--primary); }
  .guide-row .g-no { font-size: 14px; color: var(--muted); }
  .guide-row .g-cat { font-size: 13px; font-weight: 700; color: var(--primary); }
  .guide-row .g-title strong { display: block; font-size: 17px; line-height: 1.45; color: var(--navy); margin-bottom: 4px; }
  .guide-row .g-title span { display: block; font-size: 14px; color: var(--muted); line-height: 1.55; }
  .guide-row .g-date { font-size: 14px; color: var(--muted); text-align: right; }
  .guide-row.soon { background: #FAFAFD; }
  .guide-row.soon .g-title strong { color: var(--muted); font-weight: 600; font-size: 15px; margin: 0; }
  .guide-row.soon .g-no, .guide-row.soon .g-cat { color: var(--muted); }
  .guide-row.soon { padding-top: 16px; padding-bottom: 16px; }
  .guide-aside { background: var(--tint); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 32px; margin-top: 40px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
  .guide-aside strong { display: block; color: var(--navy); font-size: 17px; margin-bottom: 4px; }
  .guide-aside p { font-size: 14px; color: var(--muted); }

  /* Article */
  .article { max-width: 780px; }
  .article .meta { font-size: 14px; color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
  .article .summary { background: var(--tint); border-left: 4px solid var(--primary); border-radius: 0 12px 12px 0; padding: 20px 24px; font-size: 16px; line-height: 1.75; color: var(--charcoal); margin-bottom: 40px; }
  .article .summary b { color: var(--navy); display: block; margin-bottom: 6px; font-size: 14px; }
  .article h2 { font-size: 26px; margin: 48px 0 16px; }
  .article h3 { font-size: 19px; margin: 28px 0 10px; }
  .article p { font-size: 16px; line-height: 1.8; margin-bottom: 16px; }
  .article ul, .article ol { padding-left: 22px; margin-bottom: 16px; }
  .article ul { list-style: disc; } .article ol { list-style: decimal; }
  .article li { font-size: 16px; line-height: 1.8; margin-bottom: 6px; }
  .article table { width: 100%; border-collapse: collapse; margin: 8px 0 24px; font-size: 15px; }
  .article th, .article td { padding: 12px 16px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
  .article th { background: var(--tint); color: var(--navy); font-weight: 700; }
  .article .step-list { counter-reset: s; list-style: none; padding: 0; }
  .article .step-list li { position: relative; padding: 18px 20px 18px 64px; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 10px; background: var(--white); }
  .article .step-list li::before { counter-increment: s; content: counter(s); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: var(--white); display: grid; place-items: center; font-weight: 800; font-size: 14px; }
  .article .step-list li strong { display: block; color: var(--navy); margin-bottom: 4px; }
  .article blockquote { background: var(--tint); border-radius: 12px; padding: 18px 22px; font-size: 15px; color: var(--charcoal); margin: 20px 0 28px; }
  .article .faq { margin-top: 8px; }
  .article .faq summary { font-size: 15px; }
  .article .faq details p { font-size: 15px; margin: 0; }
  .article .fine { font-size: 13px; color: var(--muted); margin-top: 32px; }
  .article .cta { margin-top: 40px; padding: 28px 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
  .article .cta strong { display: block; color: var(--navy); font-size: 18px; margin-bottom: 6px; }
  .article .cta p { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
  .article .cta .btn-row { margin-top: 0; }
  .article a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
  .article .btn { text-decoration: none; }
  .article .btn-primary { color: var(--white); }
  .article .btn-outline { color: var(--primary); }
  @media (max-width: 960px) { .page-head { padding: 72px 0 36px; } .page-head h1 { font-size: 30px; } }
  @media (max-width: 720px) {
    .guide-head { display: none; }
    .guide-row { grid-template-columns: 1fr auto; grid-template-areas: "cat date" "title title"; gap: 8px 12px; padding: 18px 20px; }
    .guide-row .g-no { display: none; }
    .guide-row .g-cat { grid-area: cat; }
    .guide-row .g-date { grid-area: date; }
    .guide-row .g-title { grid-area: title; }
  }
  @media (max-width: 560px) { .page-head h1 { font-size: 26px; } .article h2 { font-size: 22px; } .article p, .article li { font-size: 15px; } }

  /* Trust (신뢰) */
  .trust-bar { padding: 0; background: var(--navy); color: rgba(255,255,255,.85); }
  .trust-bar .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
  .trust-item { padding: 22px 20px; border-left: 1px solid rgba(255,255,255,.12); font-size: 14px; line-height: 1.5; }
  .trust-item:first-child { border-left: 0; padding-left: 0; }
  .trust-item b { display: block; color: var(--white); font-size: 16px; margin-bottom: 2px; }
  .assure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .assure { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
  .assure .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--tint); display: grid; place-items: center; margin-bottom: 16px; }
  .assure .ic svg { width: 22px; height: 22px; }
  .assure h3 { font-size: 18px; margin-bottom: 8px; }
  .assure p { font-size: 14px; color: var(--muted); line-height: 1.7; }
  .timeline { max-width: 720px; border-left: 2px solid var(--tint-2); margin-left: 8px; }
  .timeline li { position: relative; padding: 0 0 28px 28px; }
  .timeline li::before { content: ''; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 2px solid var(--white); box-shadow: 0 0 0 2px var(--primary); }
  .timeline li:last-child { padding-bottom: 0; }
  .timeline b { display: block; color: var(--navy); font-size: 17px; }
  .timeline span { font-size: 14px; color: var(--muted); }
  .tbd { background: #FFF4D6; color: #8A6100; padding: 1px 8px; border-radius: 6px; font-size: .92em; font-weight: 600; }
  @media (max-width: 960px) {
    .trust-bar .wrap { grid-template-columns: 1fr 1fr; }
    .trust-item:nth-child(3) { border-left: 0; padding-left: 0; }
    .assure-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 560px) { .trust-bar .wrap { grid-template-columns: 1fr; } .trust-item { border-left: 0; padding-left: 0; border-top: 1px solid rgba(255,255,255,.12); } .trust-item:first-child { border-top: 0; } }

/* ===== Option B ===== */
.announce { background: var(--navy); color: rgba(255,255,255,.9); font-size: 14px; text-align: center; padding: 10px 24px; }
.announce a { color: #fff; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; margin-left: 8px; }
.b-hero { padding: 88px 0 72px; background: radial-gradient(800px 480px at 90% 10%, rgba(85,96,168,.14), transparent 60%), var(--white); }
.b-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.b-hero h1 { font-size: 50px; letter-spacing: -0.035em; line-height: 1.25; margin-bottom: 20px; }
.b-hero h1 em { font-style: normal; color: var(--primary); }
.b-hero p.sub { font-size: 19px; color: var(--muted); margin-bottom: 8px; }
.phone { width: 300px; margin: 0 auto; background: #1F2347; border-radius: 40px; padding: 14px; box-shadow: 0 30px 60px rgba(46,52,102,.25); }
.phone-screen { background: #F4F5FB; border-radius: 28px; padding: 22px 14px; min-height: 440px; display: flex; flex-direction: column; gap: 12px; }
.phone-top { text-align: center; font-size: 12px; color: var(--muted); font-weight: 700; }
.bubble { background: var(--white); border-radius: 4px 16px 16px 16px; padding: 12px 14px; font-size: 13px; line-height: 1.55; color: var(--charcoal); box-shadow: 0 2px 8px rgba(46,52,102,.08); max-width: 92%; }
.bubble small { display: block; font-size: 11px; color: var(--muted); margin-bottom: 4px; font-weight: 700; }
.bubble.kakao { border-top: 4px solid #FEE500; }
.bubble.coupon { background: var(--navy); color: #fff; }
.bubble.coupon small { color: #A9B0E6; }
.bubble.coupon b { display: block; margin-top: 8px; background: #fff; color: var(--navy); text-align: center; padding: 8px; border-radius: 8px; font-size: 12px; }
.logo-strip { padding: 44px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.logo-strip h4 { text-align: center; font-size: 15px; color: var(--muted); font-weight: 600; margin-bottom: 22px; }
/* 고객사 롤링(marquee): 같은 목록 2벌을 이어 붙여 -50% 이동 → 끊김 없이 반복 */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-inner { display: flex; width: max-content; animation: marquee-roll 45s linear infinite; }
.marquee-group { display: flex; gap: 12px; padding-right: 12px; }
.marquee .logo-tile { flex: 0 0 168px; }
@keyframes marquee-roll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee { overflow-x: auto; } .marquee-inner { animation: none; } }
@media (max-width: 640px) { .marquee .logo-tile { flex-basis: 132px; } .marquee-inner { animation-duration: 36s; } }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.problem { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.problem .q { font-size: 13px; font-weight: 800; color: var(--primary); margin-bottom: 10px; display: block; }
.problem h3 { font-size: 19px; margin-bottom: 10px; line-height: 1.45; }
.problem p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.answer-bar { margin-top: 28px; background: var(--primary); color: #fff; border-radius: var(--radius); padding: 26px 32px; font-size: 20px; font-weight: 700; text-align: center; line-height: 1.5; }
.num-sec { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.num-sec.rev > :first-child { order: 2; }
.big-num { display: inline-block; font-size: 14px; font-weight: 800; color: var(--white); background: var(--primary); border-radius: 999px; padding: 4px 14px; margin-bottom: 14px; }
.chat-panel { background: var(--tint); border-radius: 24px; padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.chat-panel .bubble { max-width: 80%; }
.chat-panel .bubble.right { align-self: flex-end; border-radius: 16px 4px 16px 16px; background: var(--primary); color: #fff; }
.chat-panel .bubble.right small { color: #D5D9F5; }
.flow-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }
.flow-line .node { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; font-size: 14px; font-weight: 700; color: var(--navy); text-align: center; min-width: 120px; }
.flow-line .node small { display: block; font-weight: 500; color: var(--muted); font-size: 12px; margin-top: 2px; }
.flow-line .arrow { color: var(--primary); font-weight: 800; }
.cta-final { background: var(--navy); color: #fff; text-align: center; }
.cta-final h2 { color: #fff; }
.cta-final p { color: rgba(255,255,255,.75); margin: 0 auto 28px; }
.cta-final .btn-row { justify-content: center; }
.f-menu { display: flex; gap: 20px; flex-wrap: wrap; margin: 24px 0 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
.f-menu a:hover { color: #fff; }
.cert-slots { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.cert-slots span { border: 1px dashed rgba(255,255,255,.3); border-radius: 8px; padding: 6px 12px; font-size: 12px; }
.fab { position: fixed; right: 20px; bottom: 20px; z-index: 150; background: var(--primary); color: #fff; border: 0; border-radius: 999px; padding: 14px 22px; font-weight: 800; font-size: 15px; font-family: inherit; cursor: pointer; box-shadow: 0 10px 28px rgba(46,52,102,.35); }
.fab:hover { background: var(--primary-dark); }
/* 우측 상담 패널 (플레어레인 Support 형태) */
.fab { width: 60px; height: 60px; padding: 0; display: grid; place-items: center; }
.fab .i-x { display: none; }
.fab.on .i-chat { display: none; }
.fab.on .i-x { display: block; }
.support { position: fixed; right: 20px; bottom: 92px; z-index: 160; width: 360px; max-width: calc(100vw - 32px); max-height: calc(100vh - 120px); overflow: auto; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 18px 48px rgba(20,22,50,.22); padding: 18px; opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .2s, transform .2s, visibility .2s; }
.support.open { opacity: 1; visibility: visible; transform: none; }
.sp-head { display: flex; align-items: center; gap: 12px; padding: 4px 4px 14px; }
.sp-head img { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); padding: 7px; background: #fff; }
.sp-head b { display: block; font-size: 18px; color: var(--navy); }
.sp-head span { font-size: 13px; color: var(--muted); }
.sp-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px; }
.sp-msg { display: flex; gap: 10px; }
.sp-msg > img { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line); padding: 4px; flex: none; }
.sp-msg b { font-size: 13px; color: var(--navy); }
.sp-msg p { font-size: 14px; line-height: 1.55; color: var(--charcoal); margin: 4px 0 10px; }
.sp-cta { width: 100%; border: 0; border-radius: 999px; background: var(--navy); color: #fff; font: inherit; font-weight: 800; font-size: 15px; padding: 14px; cursor: pointer; }
.sp-cta:hover { background: var(--primary-dark); }
.sp-more { margin-top: 12px; border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; display: grid; gap: 8px; }
.sp-more span { font-size: 12px; font-weight: 700; color: var(--muted); }
.sp-more a { font-size: 14px; font-weight: 600; color: var(--navy); }
.sp-more a:hover { color: var(--primary); }
@media (max-width: 640px) { .support { right: 12px; left: 12px; width: auto; bottom: 84px; } .fab { right: 14px; bottom: 14px; } }
.modal-bg { position: fixed; inset: 0; background: rgba(20,22,50,.55); z-index: 200; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-bg.open { display: flex; }
.modal { background: #fff; border-radius: 20px; width: 100%; max-width: 480px; padding: 32px; max-height: 92vh; overflow: auto; }
.modal h3 { margin-bottom: 6px; }
.modal .m-sub { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.modal label { display: block; font-size: 13px; font-weight: 700; color: var(--navy); margin: 14px 0 6px; }
.modal input[type=text], .modal input[type=tel], .modal textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font: inherit; font-size: 15px; }
.modal textarea { min-height: 110px; resize: vertical; }
.modal .agree { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: var(--muted); margin-top: 16px; font-weight: 400; }
.modal .m-actions { display: flex; gap: 10px; margin-top: 22px; }
.modal .m-actions .btn { flex: 1; justify-content: center; }
@media (max-width: 960px) {
  .b-hero { padding: 56px 0 48px; }
  .b-hero-grid, .num-sec { grid-template-columns: 1fr; gap: 32px; }
  .b-hero h1 { font-size: 34px; }
  .num-sec.rev > :first-child { order: 0; }
  .problem-grid { grid-template-columns: 1fr; }
  .answer-bar { font-size: 17px; padding: 20px; }
}
.hub { display: grid; gap: 16px; }
.hub-core { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 28px; text-align: center; }
.hub-core b { display: block; font-size: 22px; }
.hub-core span { font-size: 14px; color: #A9B0E6; }
.hub-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hub-node { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: block; transition: all .2s ease; }
a.hub-node:hover { border-color: var(--primary); box-shadow: 0 14px 30px rgba(46,52,102,.10); }
.hub-node b { display: block; color: var(--navy); font-size: 18px; margin-bottom: 6px; }
.hub-node span { font-size: 14px; color: var(--charcoal); line-height: 1.6; }
.hub-node small { color: var(--muted); font-size: 12px; }
@media (max-width: 960px) { .hub-links { grid-template-columns: 1fr; } }
.modal .m-status { font-size: 14px; font-weight: 700; color: var(--primary); margin-top: 14px; min-height: 1.4em; }
.legal { max-width: 820px; }
.legal h2 { font-size: 20px; margin: 36px 0 12px; color: var(--navy); }
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { font-size: 15.5px; line-height: 1.85; color: var(--charcoal); }
.legal p { margin: 0 0 12px; }
.legal ul { margin: 0 0 14px; padding-left: 22px; list-style: disc; }
.legal li { margin-bottom: 6px; }
.legal .info-table { margin: 12px 0 18px; }
.area-list { display: grid; gap: 14px; }
.area { display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px 26px; box-shadow: 0 10px 28px rgba(46,52,102,.08); transition: transform .2s, box-shadow .2s, border-color .2s; }
.area:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: 0 16px 36px rgba(46,52,102,.16); }
.area-no { font-size: 14px; font-weight: 800; color: var(--primary); }
.area h3 { font-size: 21px; margin: 0 0 4px; color: var(--navy); }
.area p { font-size: 14.5px; line-height: 1.55; color: var(--muted); margin: 0; }
.area-go { font-size: 20px; color: var(--primary); }
@media (max-width: 960px) { .area { padding: 18px 20px; } .area h3 { font-size: 18px; } }
#business-tabs { padding: 96px 0 0; scroll-margin-top: 80px; }
#business-tabs .sec-head { margin-bottom: 28px; }
.tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.tab { border: 1px solid var(--line); background: #fff; color: var(--charcoal); font: inherit; font-size: 17px; font-weight: 800; padding: 14px 28px; border-radius: 999px; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.tab:hover { border-color: var(--primary); color: var(--primary); }
.tab.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.tab-panel { display: none; padding: 40px 0 88px; }
.tab-panel.on { display: block; }
@media (max-width: 640px) { #business-tabs { padding-top: 64px; } .tab { font-size: 15px; padding: 11px 18px; } .tab-panel { padding: 28px 0 64px; } }
/* 메뉴: 사업영역 하위메뉴 */
.has-sub { position: relative; }
.has-sub > a .caret { font-size: 11px; margin-left: 2px; }
.submenu { list-style: none; margin: 0; padding: 8px; position: absolute; top: 100%; left: -12px; min-width: 190px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 14px 34px rgba(20,22,50,.16); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .18s, transform .18s, visibility .18s; z-index: 120; }
.has-sub::after { content: ''; position: absolute; left: 0; right: 0; top: 100%; height: 14px; }
.has-sub:hover .submenu, .has-sub:focus-within .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu a { display: block; padding: 11px 14px; border-radius: 9px; font-size: 14.5px; white-space: nowrap; }
.submenu a:hover { background: var(--tint); }
@media (max-width: 960px) {
  .has-sub::after { display: none; }
  .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; border-radius: 0; padding: 0 0 6px 24px; display: none; min-width: 0; }
  .has-sub.open .submenu { display: block; }
  .has-sub:hover .submenu, .has-sub:focus-within .submenu { display: none; }
  .has-sub.open:hover .submenu, .has-sub.open:focus-within .submenu { display: block; }
  .submenu a { padding: 11px 24px; }
}
/* 메뉴 안의 버튼은 글자색을 흰색으로 고정 (.menu a 의 어두운 글자색이 덮어쓰는 문제 수정) */
.menu a.btn, .menu a.btn:hover { color: #fff; }
.menu a.btn-primary { background: var(--primary); }
.menu a.btn-primary:hover { background: var(--primary-dark); }
/* 고객사 롤링: 검은 타일 대신 남색 타일. 원본 로고의 어두운 바탕은 lighten 합성으로 타일색에 녹인다.
   마우스를 올려도 멈추거나 움직이지 않는다. 대비가 낮은 로고는 밝기를 올린다(바탕이 타일과 같은 명도가 되도록 타일색을 #3D3D66으로 맞춤). */
.marquee .logo-tile { background: #3D3D66; border: 0; }
.marquee .logo-tile:hover { transform: none; box-shadow: none; }
.marquee .logo-tile img { mix-blend-mode: lighten; }
.marquee .logo-tile img[src*="daou"], .marquee .logo-tile img[src*="knou"], .marquee .logo-tile img[src*="woongjin"],
.marquee .logo-tile img[src*="zero-labs"], .marquee .logo-tile img[src*="shinhan"], .marquee .logo-tile img[src*="lg-uplus"] { filter: brightness(1.6) saturate(1.25); }/* 모바일쿠폰: 상품 유형 2칸 */
.type-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 20px 0 32px; }
.type { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px 26px; }
.type h3 { font-size: 20px; margin: 10px 0 6px; color: var(--navy); }
.type p { font-size: 15px; line-height: 1.65; color: var(--muted); margin: 0; }
.type-tag { display: inline-block; font-size: 12px; font-weight: 800; padding: 4px 11px; border-radius: 999px; background: #FFF4D6; color: #8A6100; }
.type-tag.on { background: #E6F6EC; color: #1B7A42; }
@media (max-width: 640px) { .type-grid { grid-template-columns: 1fr; } }
/* 메시징: API 연동 박스 */
.api-box { margin-top: 48px; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px 36px; display: grid; gap: 22px; }
.api-box h3 { font-size: 22px; margin: 0 0 8px; color: var(--navy); }
.api-box > div > p { font-size: 15.5px; line-height: 1.7; color: var(--muted); margin: 0; }
@media (max-width: 640px) { .api-box { padding: 24px 20px; margin-top: 32px; } }
/* 사업영역: 신뢰 데이터 타일 */
.mstats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 22px 0 4px; }
.mstats-4 { grid-template-columns: repeat(4, 1fr); margin: 0 0 24px; }
.mstat { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.mstat b { display: block; font-size: 24px; letter-spacing: -0.03em; color: var(--primary); margin-bottom: 4px; }
.mstat span { font-size: 13px; line-height: 1.5; color: var(--muted); }
.type-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .mstats-4 { grid-template-columns: repeat(2, 1fr); } .type-grid { grid-template-columns: 1fr; } }
/* ===== 모바일 가독성 보강 (<=640px) : 카드는 2열로 줄이고, 여백·글자 크기를 화면에 맞춘다 ===== */
@media (max-width: 640px) {
  section { padding: 52px 0; }
  #business-tabs { padding-top: 52px; }
  .sec-head h2 { font-size: 26px; }
  .b-hero { padding: 36px 0 32px; }
  .b-hero .btn-row { flex-direction: column; align-items: stretch; }
  .b-hero .btn-row .btn { justify-content: center; text-align: center; }
  .tabs { flex-wrap: nowrap; gap: 8px; }
  .tab { flex: 1 1 0; padding: 12px 6px; font-size: 14.5px; text-align: center; white-space: nowrap; }
  .tab-panel { padding: 24px 0 48px; }
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cat { padding: 14px 14px; }
  .cat strong { font-size: 14px; }
  .cat span { font-size: 12.5px; }
  .flow { grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 24px; }
  .step { padding: 16px; }
  .step .n { width: 28px; height: 28px; font-size: 13px; margin-bottom: 8px; }
  .step h4 { font-size: 15px; }
  .step p { font-size: 13px; }
  .type-grid { gap: 10px; margin: 14px 0 22px; }
  .type { padding: 18px 20px; }
  .type h3 { font-size: 18px; }
  .mstat { padding: 14px 14px; }
  .mstat b { font-size: 20px; }
  .api-box .flow-line { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .api-box .flow-line .arrow { display: none; }
  .stats-sec { padding: 56px 0; }
  .stats { grid-template-columns: 1fr 1fr; gap: 22px 14px; margin-top: 30px; }
  .stat { padding-left: 14px; }
  .stat b { font-size: 30px; }
  .stat span { font-size: 13px; }
  .info-table dl { grid-template-columns: 96px 1fr; }
  .info-table dt, .info-table dd { padding: 12px 14px; font-size: 14px; }
  .info-table dt { border-bottom: 1px solid var(--line); padding-bottom: 12px; }
  .cta-final .btn-row { flex-direction: column; align-items: stretch; }
  .cta-final .btn-row .btn { justify-content: center; text-align: center; }
  .faq summary { font-size: 15px; }
}
@media (max-width: 640px) { .chat-panel { display: none; } }
@media (max-width: 640px) { .info-table dl { grid-template-columns: 108px 1fr; } .info-table dt { font-size: 13px; } }