body {
  font-family: "Cairo", Arial, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background: #f8f9fa;
  color: #0f666c;
  line-height: 1.7;
  letter-spacing: 0.01em;
  direction: rtl;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100vh;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  width: 90%;
  max-width: 900px;
  margin: 0 auto;
}
.site-header {
  background: #0f666c;
  color: #fff;
  padding: 2rem 0 1rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border-radius: 0 0 13rem 13rem;
}
.header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.site-logo {
  border-radius: 50%;
  padding: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
}
.site-title {
  font-size: 2rem;
  font-weight: 500;
  margin: 0;
  text-align: center;
  letter-spacing: 0.02em;
}
.site-main {
  padding: 2rem 0;
}
.announcement {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
.announcement h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 500;
  margin: 0 0 1rem 0;
  color: #000;
}
.icon {
  font-size: 1.2em;
}
.site-footer {
  background: #0f666c;
  color: #fff;
  padding: 1.5rem 0;
  text-align: center;
}
.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.footer-logo {
  margin-bottom: 0.5rem;
}
.footer-text {
  font-size: 1rem;
}
.footer-text small {
  font-size: 0.85em;
  opacity: 0.8;
}
@media (min-width: 600px) {
  .header-content {
    flex-direction: row;
    justify-content: center;
    gap: 2rem;
  }
  .site-title {
    text-align: center;
  }
  .site-main {
    padding: 3rem 0;
  }
}