.flex-box {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}
.banner {
  width: 100%;
  height: 158px;
  background: url(/img/support/policy-banner.png);
  padding: 54px 20px 49px;
  box-sizing: border-box;
  text-align: center;
}
.banner .content {
  max-width: 646px;
  text-align: left;
  margin: auto;
  margin-left: 346px;
}
h1 {
  color: #1e2432;
  font-size: 36px;
  line-height: 40px;
  font-weight: 700;
  position: relative;
}

.product {
  text-align: center;
  margin-top: 60px;
  margin-bottom: 80px;
}
h2 {
  font-size: 32px;
  color: #282828;
}
.product .item_box {
  max-width: 330px;
  width: 100%;
  box-sizing: border-box;
  border-top: 5px solid #1abc9c;
  margin: 70px 24px 0px;
  background: url(/img/about/product-bg.jpg) no-repeat #f7f7f7;
  background-position: bottom right;
  background-size: cover;
}
.product .item {
  padding: 40px;
  background: #fff;
  opacity: 0.92;
}
.product .item > img {
  display: block;
  margin: auto;
  height: 81px;
  width: auto;
}
.product .item .title {
  display: inline-block;
  text-align: center;
  margin: 20px auto 0px;
  font-size: 28px;
  color: #1e2432;
  line-height: 34px;
}
.product .item .title:hover {
  color: #2ad9c2;
}
.product .item ul {
  margin-top: 36px;
  font-size: 18px;
  color: #7a7a7a;
  line-height: 24px;
}
.product .item ul li {
  margin: 22px auto;
}
.product .item ul li a {
  position: relative;
}
.product .item ul li a::before {
  content: '';
  clear: both;
  position: relative;
  background: url(/img/support/tip-14.svg) center no-repeat;
  background-size: 16px 14px;
  width: 16px;
  height: 14px;
  display: inline-block;
  vertical-align: 0px;
  margin-right: 6px;
}
a.product_btn {
  display: block;
  min-width: 220px;
  padding-left: 15px;
  padding-right: 15px;
  height: 50px;
  line-height: 50px;
  font-size: 16px;
  font-weight: 600;
  background: #1abc9c;
  border-radius: 6px;
  box-sizing: border-box;
  color: #fff;
  margin: 20px auto 0px;
  position: relative;
  transition: all 0.5s;
  margin-top: 44px;
  display: inline-block;
}
a.product_btn:hover {
  background: #12ab8d;
  transform: translateY(-10px);
}
.support {
  text-align: center;
  margin: 80px auto 40px;
}
.support p {
  max-width: 906px;
  margin: 30px auto 30px;
  color: rgb(122, 122, 122);
  font-size: 18px;
  line-height: 28px;
}
.support .item {
  max-width: 520px;
  padding: 0px 12px 54px;
  box-sizing: border-box;
  background: #f5faf9;
  border-radius: 10px;
  margin: 100px 24px 0px;
}
.support .item img {
  margin-top: -40px;
}
.support .item .title {
  color: #324e5a;
  font-size: 24px;
  font-weight: 600;
  margin: 6px auto 10px;
}
.support .item .des {
  color: #606473;
  font-size: 15px;
  font-weight: 600;
  margin: 20px auto 0px;
}
.support .product_btn {
  margin-top: 60px;
  height: 62px;
  line-height: 62px;
}
.support .product_btn::before {
  content: '';
  clear: both;
  position: relative;
  background: url(/img/support/message.svg) center no-repeat;
  background-size: 24px 24px;
  width: 24px;
  height: 24px;
  display: inline-block;
  vertical-align: 0px;
  margin-right: 6px;
  vertical-align: -5px;
}
@media (max-width: 1140px) {
  .product .item_box {
    width: 50%;
  }
  .product .flex-box {
    flex-wrap: nowrap;
  }
  .comment .software img {
    margin: auto;
  }
}
@media (max-width: 767px) {
  .product .flex-box {
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
  }
  .product .item_box {
    width: 100%;
    max-width: 520px;
    margin: 70px auto 0px;
  }
}
@media (max-width: 360px) {
  .product .item {
    padding: 40px 20px;
  }
  .support .item {
    margin: 76px auto 0px;
  }
}