.chamsosik-common-header,
.chamsosik-common-footer,
.chamsosik-common-ad {
  box-sizing: border-box;
  font-family: Arial, "Noto Sans KR", sans-serif;
}

.chamsosik-common-header {
  position: relative;
  z-index: 1000;
  color: #ffffff;
  background: linear-gradient(108deg, #071326 0%, #0f2f72 56%, #1d4ed8 100%);
  border-bottom: 3px solid #f59e0b;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.24);
}

.chamsosik-common-inner {
  width: min(1280px, calc(100% - 28px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
}

.chamsosik-common-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  text-decoration: none;
  font-size: 20px;
  font-weight: 900;
  white-space: nowrap;
}

.chamsosik-common-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: #dbeafe;
  background: linear-gradient(145deg, #2563eb, #7c3aed);
  font-size: 15px;
  font-weight: 900;
}

.chamsosik-common-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.chamsosik-common-nav a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 10px;
  border: 1px solid rgba(219, 234, 254, 0.24);
  border-radius: 8px;
  color: #eff6ff;
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
  font-size: 13px;
  font-weight: 900;
}

.chamsosik-common-nav a:hover,
.chamsosik-common-nav a:focus {
  color: #111827;
  background: #fbbf24;
  outline: none;
}

.chamsosik-common-ad {
  width: min(1280px, calc(100% - 28px));
  min-height: 90px;
  margin: 14px auto;
  padding: 10px;
  border: 1px solid rgba(203, 213, 225, 0.7);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
}

.chamsosik-common-footer {
  margin-top: 28px;
  padding: 24px 14px 30px;
  color: #dbeafe;
  background: #0f172a;
  text-align: center;
  line-height: 1.7;
}

.chamsosik-common-footer a {
  color: #bfdbfe;
  font-weight: 900;
  text-decoration: none;
}

.chamsosik-common-footer-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 12px;
}

.chamsosik-common-footer small {
  display: block;
  color: #94a3b8;
}

body > footer.site-footer:not(.chamsosik-common-footer) {
  display: none !important;
}

@media (max-width: 860px) {
  .chamsosik-common-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .chamsosik-common-nav {
    justify-content: flex-start;
  }

  .chamsosik-common-brand {
    font-size: 18px;
  }
}