.hero {
  background: url('/images/homepage/hero.webp') center/cover no-repeat;
  color:#fff;
  text-align:center;
  padding:140px 20px;
}
.hero h1 { font-size:42px; font-weight:bold; }
.hero p { font-size:18px; margin:10px 0 20px; }
.hero-buttons {
  display: flex;              /* ✅ ตัวสำคัญ */
  justify-content: center;    /* จัดกลาง */
  gap: 2px;                  /* ระยะห่างระหว่างปุ่ม */
}
.hero-buttons a {
  padding:12px 20px;
  margin:5px;
  border-radius:5px;
  color:#fff;
  text-decoration:none;
}
.hero-box img {
  width: 100px;
  border-radius: 10px;
}
</>.btn {font-size:30px; font-weight:bold; margin:5px;}
.btn-blue { background:#2c7be5; }
.btn-green { background:#2fb344; }
.btn-orange { background:#f59f00; }

.topics {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
  padding:30px;
}
.topic-card {
  background:#fff;
  width: 100%;
  padding:15px;
  border-radius:20px;
  text-align:center;
  box-shadow:0 2px 8px rgba(0,0,0,0.1);
}

.sidebar-box {
  background:#fff;
  padding:15px;
  border-radius:8px;
  margin-bottom:20px;
}

.icons {
display:flex;
  justify-content:space-around;
  padding:30px;
}
.big-text {
  font-size: 28px;
  color: #fe5443;
}

.old-version-note {
  font-size: 18px;
  color: #ce2b06;
  background-color: #ecf0f1;
}
.tutorial-text {
  font-size: 18px;
  color: #ce2b06;
   text-align:left;
  margin:15px
}
.footer-geo {
</>  background:#0A4D68;
  background: url('/images/homepage/Old_version4.webp') top/cover no-repeat;
</>  color:#fff;
  color:58fcf6;
  width: 100%;
  max-width: 2000px;
  margin: 0 auto;
  padding: 20px 20px;
  text-align: center;
}
</> css
.mod-menu .parent {
  position: relative;
}

.mod-menu .mod-menu__sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 999;
  min-width: 220px;
  background: #fff;
  padding: 10px 0;
}

.mod-menu .parent:hover .mod-menu__sub {
  display: block;
}

.mod-menu .mod-menu__sub li {
  display: block;
}

.mod-menu .mod-menu__sub a {
  display: block;
  padding: 8px 16px;
  white-space: nowrap;
}