.ichen-down {
  overflow: hidden;
  margin-top: 1px;
  padding: 0 0 28px;
  font-family: 'Inter', system-ui, sans-serif;
}

/* 按钮：黑线包围+双线轮廓箭头+紧凑风格 */
.ichen-down a {
  text-decoration: none;
  float: left;
  overflow: hidden;
  margin: 5px 15px 5px 3px;
  width: 110px;
  height: 38px;
  border-radius: 4px;
  background: #fff;
  border: 1px solid #333;
  text-align: center;
  line-height: 38px;
  transition: all 0.3s ease;
  font-size: 14px;
  letter-spacing: 0.5px;
  position: relative;
  padding-left: 24px; /* 适配双线箭头间距 */
}
/* 双线轮廓向下箭头（炫酷简约，层次更丰富） */
.ichen-down a:before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  /* 外层粗线条 */
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-50%) rotate(-45deg);
  /* 内层细线条（偏移1px形成轮廓效果） */
  box-shadow: 1px -1px 0 0 currentColor,
              inset 1px -1px 0 0 currentColor;
}

.ichen-down a:hover {
  background: #333 !important;
  color: #fff;
  transform: translateY(-2px);
  border-color: #333;
  box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

/* 标题 - 简约加粗+底部点缀 */
.ichen-down .title {
  font-weight: 700;
  padding-bottom: 10px;
  font-size: 20px;
  color: #212529;
  border-bottom: 2px solid #f1f3f5;
  margin-bottom: 10px;
}

.ichen-down .tips {
  padding: 20px 15px;
  border: 2px dashed #333;
  position: relative;
  text-align: center;
  margin: 15px 0;
}

.ichen-down .tips span {
  color: #ff6767;
  font-weight: 600;
  font-size: 14px;
}

.ichen-down .tips .price {
  height: 32px;
  line-height: 32px;
  border: none;
  border-radius: 0;
  font-size: 14px;
}

.ichen-down .tips .Cleft {
  position: absolute;
  top: 5px;
  left: 15px;
  font-size: 12px;
  color: #666;
}

.ichen-down .tips .Cright {
  position: absolute;
  top: 5px;
  right: 15px;
  font-size: 12px;
}

.ichen-down .tips .Ctype {
  display: inline-flex;
  height: 32px;
  width: 240px;
  margin: 0 0 10px 0;
}

.ichen-down .tips .Ctype .option {
  border-radius: 4px;
  width: 100%;
  align-items: center;
  justify-content: space-evenly;
  margin: 0 3px;
  cursor: pointer;
  border: 1px solid #333;
}

.ichen-down .tips .Ctype .option span {
  font-size: 13px;
  color: #333;
}

#type-1:checked ~ .type-1,
#type-2:checked ~ .type-2,
#type-3:checked ~ .type-3 {
  color: #000;
  border: 1px solid #000;
  background: #f5f5f5;
}

#type-1:checked ~ .type-1 span,
#type-2:checked ~ .type-2 span,
#type-3:checked ~ .type-3 span {
  color: #000;
  font-weight: 600;
}

.ichen-down .tips #buy {
  background: #fff;
  color: #ff6767;
  text-align: center;
  padding: 8px 0;
  margin: 5px auto 0;
  width: 80px;
  cursor: pointer;
  font-size: 13px;
  border-radius: 4px;
  transition: all 0.3s ease;
  border: 1px solid #ff6767;
}

.ichen-down .tips #buy:hover {
  background: #ff6767;
  color: #fff;
  transform: translateY(-2px);
}

/* 移动端布局 */
@media screen and (max-width: 800px) {
  .ichen-down a {
    float: none;
    display: block;
    margin: 5px auto;
    width: 90%;
    max-width: 300px;
    font-size: 14px;
    padding-left: 27px;
  }

  .ichen-down a:before {
    left: 17px;
  }
}
/*
by小辰 Q271106735
下载插件：https://www.emlog.net/plugin/detail/526
*/