/*==Banner区域开始==*/
.banner {
    height: 680px;
    background-color: #010920;
    background-image: url("/images/banner-zw3xbzz5pr1sw9o5.jpg");
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

/* 当浏览器窗口宽度小于 1920px 时，让容器宽度自适应窗口 */
@media (max-width: 1920px) {
  .banner {
    width: 100%;
  }
}
.banner-wrap {
  margin: 0 auto;
  max-width: 1280px;
  padding: 0 10px;
  position: relative;
}
.banner-content {
  position: absolute;
  top: 190px;
}
.banner-content > h1 {
  background: linear-gradient(to right, #fff 0%, #0084ff 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 48px;
  font-weight: bold;
  line-height: 60px;
}
.banner-content > ul {
  margin-top: 30px;
  padding-left: 0;
  list-style: none;
  display: flex;
}
.banner-content > ul > li {
  padding: 10px 20px;
  color: #fff;
  font-size: 22px;
}
.banner-content > ul > li::before {
  font-weight: 900;
  font-size: 20px;
  color: #98b7f7;
  margin-right: 6px;
  font-family: "FontAwesome";
}
.banner-content > ul > li:nth-child(1)::before {
  content: "\f577";
}
.banner-content > ul > li:nth-child(2)::before {
  content: "\f2f7";
}
.banner-content > ul > li:nth-child(3)::before {
  content: "\f085";
}
/*按钮区域*/
.banner-buttons {
  margin-top: 40px;
}
.banner-buttons > a {
  display: inline-block;
  line-height: 54px;
  text-align: center;
  border-radius: 7px;
  font-size: 22px;
  text-decoration: none;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
  transition: all 0.2s ease;
  margin-right: 30px;
  padding: 0 30px;
}
.banner-buttons > a:hover {
  box-shadow: 0 5px 8px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.3), inset 0 -1px 0 rgba(0, 0, 0, 0.2);
}
.banner-buttons > a:active {
  transform: translateY(2px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}
.banner-buttons > a:nth-child(1) {
  color: #14240b;
  background: linear-gradient(to bottom, #1ed94f, #00a332);
}
.banner-buttons > a:nth-child(1):hover {
  background: linear-gradient(to bottom, #23e657, #00b338);
}
.banner-buttons > a:nth-child(2) {
  color: #0b1424;
  background: linear-gradient(to bottom, #209cff, #68e0cf);
}
.banner-buttons > a:nth-child(2):hover {
  background: linear-gradient(to bottom, #2ea1ff, #7dffee);
}
/*Banner底部链接*/
.banner-sublinks {
  margin-top: 14px;
}
.banner-sublinks > a {
  color: #a4a5a9;
  margin-right: 14px;
}
.banner-sublinks > a:hover {
  color: #fff;
}
.banner-sublinks > a::before {
  font-family: "FontAwesome";
  font-weight: 900;
  margin-right: 3px;
}
.banner-sublinks > a:nth-child(1)::before {
  content: "\e1d9";
}
.banner-sublinks > a:nth-child(2)::before {
  content: "\e1d2";
}
/*==Banner区域结束==*/
/*==产品介绍卡片开始==*/
.prod-wrap {
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1280px;
}
.prod-wrap > div {
  padding: 3px 20px;
  margin: -62px 20px 0 20px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 9px rgba(0, 0, 0, 0.15);
}
.prod-title {
  color: #000;
  font-size: 26px;
  font-weight: bold;
  margin: 10px 0;
  display: flex;
  align-items: flex-end;
}
.prod-title::before {
  content: "";
  display: inline-block;
  width: 50px;
  height: 50px;
  margin-right: 6px;
  margin-bottom: -2px;
}
.prod-wrap > div:nth-child(1) > .prod-title::before {
  background-image: url("/images/prod-icon-mailservice.png");
}
.prod-wrap > div:nth-child(2) > .prod-title::before {
  background-image: url("/images/prod-icon-mailarchive.png");
}
.prod-wrap > div:nth-child(3) > .prod-title::before {
  background-image: url("/images/prod-icon-gatemail.png");
}

.prod-intro {
  color: #777;
  font-size: 17px;
}
.prod-buttons {
  margin: 18px 0 10px 0;
  text-align: right;
}
.prod-buttons > a {
  margin-left: 10px;
}
.btn {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 5px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}
.btn-primary {
  color: #fff;
  background-color: #5d87dc;
}
.btn-primary:hover {
  background-color: #6c9af7;
}
.btn-secondary {
  color: #5d87dc;
  background-color: #fff;
  border: #5d87dc 2px solid;
}
a.btn-secondary:hover {
  background-color: #5d87dc;
  color: #fff;
}
/*==产品介绍卡片结束==*/
/*==产品介绍区域开始==*/
section {
  padding: 60px 0;
}
section.ir {
  background-color: #edeff2;
}
section > div {
  margin: 0 auto;
  max-width: 1280px;
}
.product-intro > h1 {
  color: #000;
  font-size: 46px;
  font-weight: bold;
  text-align: center;
}
.product-intro > h2 {
  color: #acacac;
  font-size: 16px;
  text-align: center;
}
.product-intro > h3 {
  color: #5e6c7f;
  font-size: 18px;
  margin-top: 16px;
  text-indent: 2em;
}
.features {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
}
section > .features > .points {
  margin: 0 0 0 50px;
}
section.ir > .features > .points {
  margin: 0 40px 0 0;
}
.features > .points > h1 {
  color: #183153;
  font-size: 26px;
  font-weight: bold;
  margin-bottom: 22px;
}
.features > .points > h1::before {
  content: "\f890";
  font-family: "FontAwesome";
  font-weight: 900;
  margin-right: 10px;
  font-size: 20px;
}
.features > .points > h1:after {
  content: "";
  display: block;
  width: 108px;
  height: 3px;
  margin: 8px 0 0 26px;
  background: url("/images/points-uline.png") no-repeat right center;
}
.features > .points > ul {
  margin: 10px 0;
}
.features > .points > ul > li {
  font-size: 20px;
  font-weight: bold;
  margin: 8px 0;
}
.features > .points > ul > li::before {
  font-family: "FontAwesome";
  font-weight: 900;
  margin-right: 6px;
}
.features > .points > ul > li > span,
.features > .points > ul > li > ul > li {
  display: block;
  color: #5e6c7f;
  font-weight: normal;
  font-size: 16px;
  line-height: 24px;
}
.features > .points > ul > li > span {
  margin-left: 23px;
}
.features > .points > ul > li > ul > li {
  margin-left: 8px;
  padding: 4px 0;
}
.features > .points > ul > li > ul > li > b {
  color: #2c3f5a;
}
.features > .points > ul > li > ul > li::before {
  content: "\e122";
  font-family: "FontAwesome";
  font-weight: 900;
  margin-right: 6px;
  font-size: 14px;
  color: #8e98a7;
}
.features > .points > ul > li:nth-child(1)::before {
  content: "\e256";
}
.features > .points > ul > li:nth-child(2)::before {
  content: "\e257";
}
.features > .points > ul > li:nth-child(3)::before {
  content: "\e258";
}
.features > .points > ul > li:nth-child(4)::before {
  content: "\e259";
}
.features > .points > ul > li:nth-child(5)::before {
  content: "\e25a";
}
.features > .points > ul > li:nth-child(6)::before {
  content: "\e25b";
}
/*==产品介绍区域结束==*/