* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: #5BA3F1;
  font-size: 4vw;
}

.play-section {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  height: 60vh;
  background: #000;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  display: block;
  border: none;
  transition: height 0.3s ease;
}

.play-section iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

#sound-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 24px;
  cursor: pointer;
  background: rgba(0,0,0,0.5);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  z-index: 10;
  user-select: none;
}

.top-section {
  max-width: 480px;
  margin: 0 auto 8px auto;
  padding: 10px;
  display: flex;
  background-color: #124f8f;
  color: white;
  border-radius: 12px;
}

.top-icon {
  flex: 0 0 40%;
  max-width: 80px;
  aspect-ratio: 1 / 1;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  background-color: transparent;
  margin: 0;
  padding-left: 2vw;
  box-sizing: border-box;
}

.top-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
  display: block;
}

.game-info {
  flex: 0 0 60%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-left: 20px;
}

.top-name {
  margin: 0 0 1.5vw 0;
  font-size: 16px;
  line-height: 1.2;
  word-break: break-word;
  max-width: 280px;
}

.play-button {
  width: 80%;
  max-width: 200px;
  height: 8vw;
  max-height: 36px;
  border: 2px solid white;
  border-radius: 8px;
  overflow: hidden;
  background-color: #e5e5e5;
  margin: 0 auto;
}

.play-progress {
  height: 100%;
  width: 0%;
  background-color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width 8s linear;
  color: white;
  font-weight: bold;
  font-size: 16px;
}

.ad-section {
  min-width: 240px;
  max-width: 480px;
  margin: 8px auto;
  padding: 0 16px;
  border-radius: 12px;
  min-height: 250px; 
  height: auto;
  display: flex;
  justify-content: center;
  overflow: visible;
}

.tips-section {
  background-color: #124f8f;
  color: white;
  padding: 16px 0;
  margin-top: 8px;
  margin-bottom: 16px;

  padding: 16px 20px; 
  border-radius: 12px;
  box-sizing: border-box;
}

.tips-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 8px;
}

hr {
  border: none;
  height: 1px;
  background-color: white;
  margin: 10px 0 4px 0;
}

.tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tips-list li {
  font-size: 12px;
  line-height: 1.2;
  margin: 0;
  padding: 0;
}

.tips-list li strong {
  color: #F28484;
}