/* ==============================
   Layout
============================== */
.page {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin: 30px auto 30px auto;
  gap: 30px;
  max-width: 1200px;
  padding: 0 20px;
}

h2[id] {
  scroll-margin-top: 80px;
}

/* ==============================
   Contents
============================== */
.contents {
  flex: 1;
  max-width: 1200px;
  padding: 0px;
  /* background-color: ; */
  background: none;
  text-align: left;
  box-sizing: border-box;
}

.graybox {
  background: #f8f9fa;
  padding: 20px;
}

/* responsive */
@media (max-width: 768px) {
  .page {
    flex-direction: column;
    padding: 0 10px;
  }
  .contents {
    width: 100%;
    max-width: 100%;
  }
}

/* ==============================
   Download Box
============================== */
.download-box {
  display: flex;
  align-items: center;
  max-width: 400px;
  margin: 15px 0;
  background: #fff;
  border: 1px solid #ddd;
  overflow: hidden;
}

.download-left {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 80px;
}

.download-icon img {
  width: 40px;
  height: auto;
  object-fit: contain;
}

.download-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 15px;
}

.download-label a {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: bold;
  color: #007acc;
  text-decoration: none;
}
.download-label a:hover {
  color: #005f99;
  text-decoration: underline;
}

.download-version,
.download-amount {
  font-size: 13px;
  color: #666;
}

/* ==============================
   Submit Button
============================== */
.submit-box {
  text-align: center;
  margin: 30px 0;
}

.submit-btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(90deg, #2696ca, #1771b8);
  border: none;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(0,0,0,0.12);
  transition: all 0.25s ease;
}

.submit-btn:hover {
  background: linear-gradient(90deg, #1f7ead, #13609e);
  box-shadow: 0 4px 6px rgba(0,0,0,0.18);
  transform: translateY(-1px);
}

.submit-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 3px rgba(0,0,0,0.15);
}