/* join */
.join {
  padding: 30px 0;
}

.join .lt {
  display: none;
}

.join .item:not(:last-child) {
  margin-bottom: 10px;
}

.join .item-title {
  font-size: 16px;
  padding: 12px 45px 12px 15px;
  background: #f4f6f9;
  border: 1px solid #edf0f2;
  position: relative;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.join .item-title.active {
  color: #fff;
  border-color: var(--style-color);
  background: var(--style-color);
}

.join .item-title i {
  position: absolute;
  top: 50%;
  right: 15px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transform: translateY(-50%);
}

.join .item-title i::before, .join .item-title i::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #b8b8b8;
  display: block;
}

.join .item-title i::before {
  width: 100%;
  height: 2px;
}

.join .item-title.active i::before {
  background: #fff;
}

.join .item-title i::after {
  width: 2px;
  height: 100%;
  transition: height .3s;
}

.join .item-title.active i::after {
  height: 0;
}

.join .item-info {
  display: none;
  padding: 20px;
  color: #7d7c7c;
  line-height: 32px;
  background: #f4f6f9;
}

.join .item-info>*:first-child {
  margin-top: 0;
}

.join .item-info h2, .join .item-info h3 {
  font-size: 14px;
  text-align: left;
  line-height: 32px;
  font-weight: bold;
}

.join .item-info ul, .join .item-info ol {
  padding-left: 20px;
}

@media (min-width: 992px) {
  .join .container {
    display: flex;
  }

  .join .lt {
    width: 340px;
    flex-shrink: 0;
    display: block;
    position: relative;
  }

  .join .lt img {
    width: 100%;
  }

  .join .tit {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 25px;
    font-size: 14px;
    color: #fff;
    padding: 0 20px;
    text-align: center;
  }

  .join .rt {
    flex: 1;
    padding-left: 30px;
  }
}

@media (min-width: 1200px) {
  .join {
    padding: 60px 0;
  }

  .join .rt {
    padding-left: 50px;
  }

  .join .item-title {
    font-size: 17px;
    padding: 17px 60px 17px 40px;
  }

  .join .item-title i {
    right: 32px;
  }

  .join .item-info {
    padding: 40px;
  }
}

@media (min-width: 1440px) {
  .join {
    padding-top: 74px;
    padding-bottom: 80px;
  }
}