* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

.container {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: url('../img/bg.png') center top / cover no-repeat;
  position: relative;
  overflow: hidden;
}

/* 下载按钮区域 */
.downloads {
  width: 337px;
  padding-bottom: 40px;
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

/* 通用按钮样式 */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
  opacity: 0.9;
}

.btn .icon {
  margin-right: 10px;
}

.btn span {
  font-size: 17px;
  font-weight: 600;
}

/* 网页入口按钮 - 全宽绿色渐变 */
.btn-web {
  width: 100%;
  height: 52px;
  background: linear-gradient(123deg, #7ED9A0 0%, #3DD5C8 100%);
  color: #ffffff;
  margin-bottom: 16px;
}

.btn-web .icon {
  width: 22px;
  height: 22px;
}

/* 安卓/iOS 按钮行 */
.btn-row {
  display: flex;
  gap: 12px;
}

.btn-app {
  flex: 1;
  height: 52px;
  color: #ffffff;
}

#download-android {
  background: linear-gradient(123deg, #00B1FF 0%, #5400FF 100%);
}

#download-ios {
  background: linear-gradient(123deg, #7018E5 0%, #7DE0FF 100%);
}

.btn-app .icon {
  width: 22px;
  height: 26px;
}

#download-ios .icon {
  width: 21px;
  height: 24px;
}

/* 微信遮罩 */
.mask {
  width: 100vw;
  height: 100vh;
  position: fixed;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding-right: 34px;
  padding-top: 20px;
  transition: all 0.3s ease;
  transform: translateX(-100vw);
  z-index: 999;
  top: 0;
  left: 0;
}

.mask .arrow {
  width: 90px;
  height: 133px;
}

.mask .tips-container .tips {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: 24px;
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
}

.mask .tips-container .tips .num {
  width: 24px;
  height: 24px;
  font-weight: bold;
  font-size: 14px;
  color: #ffffff;
  text-align: center;
  line-height: 24px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  margin-right: 12px;
}