@import 'topic.inc.css';
.banner {
  background: url(../image/banner2.png) center center;
  background-size: auto 100%;
  height: 600px;
  color: #fff;
}
.banner .title {
  padding-top: 160px;
  font-size: 60px;
}
.banner .intro {
  font-size: 28px;
  margin-top: 37px;
}
.banner .btn {
  font-size: 18px;
  background-color: #2280e3;
  color: #fff;
  text-align: center;
  display: block;
  width: 160px;
  height: 40px;
  line-height: 40px;
  margin-top: 85px;
  border-radius: 40px;
}

dl.mod dt.modTitle {
  text-align: center;
  padding-top: 98px;
}
dl.mod dt.modTitle .title {
  color: #000;
  font-size: 38px;
  font-family: PingFangLight;
}
dl.mod dt.modTitle .intro {
  margin-top: 33px;
  color: #666666;
  font-size: 18px;
}
dl.mod dt.modTitle .intro div:nth-child(n + 1) {
  margin-top: 18px;
}

.mod.b1 .control {
  margin-top: 50px;
  margin-bottom: 78px;
  text-align: center;
  font-size: 0;
}
.mod.b1 .control li {
  float: left;
  width: 16.66%;
}
.mod.b1 .control li a {
  display: block;
  text-align: center;
  height: 50px;
  line-height: 50px;
  font-size: 18px;
  color: #3b4459;
  border: 1px solid #dddde8;
  margin-left: -1px;
  font-family: PingFangRegular;
}
.mod.b1 .control li.active a,
.mod.b1 .control li a:hover,
.mod.b1 .control li a.active {
  color: #2f83f4;
  border-color: #2f83f4;
  position: relative;
}
.mod.b1 .modBody .detail .cover {
  float: left;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 376px;
  width: 40%;
  overflow: hidden;
}
.mod.b1 .modBody .detail.i2 .cover {
  background: url(../image/2_.png) center center no-repeat;
}
.mod.b1 .modBody .detail.i5 .cover {
  position: relative;
  /* background: url(../images/smart-campus/b1/5_.gif) center center no-repeat; */
}
.mod.b1 .modBody .detail.i5 .cover img {
  position: relative;
  z-index: 1;
}
.mod.b1 .modBody .detail.i5 .cover .l {
  position: absolute;
  left: 0;
  top: 70px;
  width: 700px;
  height: 800px;
  border-radius: 50%;
  border: 1px solid #f3f3f3;
  transform: rotate(-65deg);
}
.mod.b1 .modBody .detail.i5 .cover .l.l2 {
  transform: rotate(15deg);
  top: 70px;
}
@keyframes wave {
  from {
    width: 0;
    height: 0;
    margin-left: -1px;
    margin-top: -1px;
    opacity: 0;
  }
  to {
    width: 40px;
    height: 40px;
    margin-left: -21px;
    margin-top: -21px;
    opacity: 1;
  }
}
.mod.b1 .modBody .detail.i5 .cover .d {
  position: absolute;
  width: 0;
  height: 0;
  border: 2px solid #2f83f4;
  border-radius: 50%;
}
.mod.b1 .modBody .detail.i5 .cover .d:before,
.mod.b1 .modBody .detail.i5 .cover .d:after {
  content: '';
  display: block;
  border-radius: 50%;
  border: 1px solid #2f83f4;
  position: absolute;
  left: 50%;
  top: 50%;
  animation: wave linear 2000ms infinite;
}
.mod.b1 .modBody .detail.i5 .cover .d:after {
  animation: wave linear 2000ms 800ms infinite;
}
.mod.b1 .modBody .detail.i5 .cover .d.d1 {
  left: 11%;
  bottom: 30%;
}
.mod.b1 .modBody .detail.i5 .cover .d.d2 {
  right: 18%;
  top: 22%;
}
.mod.b1 .modBody .detail.i5 .cover .d.d3 {
  right: 8%;
  top: 42%;
}
.mod.b1 .modBody .detail .content {
  width: 50%;
  float: right;
}
.mod.b1 .modBody .detail .content .title {
  padding-top: 26px;
  font-size: 24px;
  font-family: PingFangBold;
}
.mod.b1 .modBody .detail .content .intro {
  padding-top: 47px;
  font-size: 18px;
  color: #2c2d48;
}
.mod.b1 .modBody .detail .content .intro li {
  position: relative;
  padding-left: 20px;
}
.mod.b1 .modBody .detail .content .intro li:before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background-color: #000;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -3px;
}
.mod.b1 .modBody .detail .content .intro li:nth-child(n + 1) {
  margin-top: 29px;
}
.mod.b1 .modBody .detail .content .btn {
  margin-top: 97px;
  display: block;
  width: 130px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  font-size: 18px;
  color: #076bf2;
  border: 1px solid #076bf2;
}

.noanimation {
  animation: none !important;
}
.mod.b2 {
  padding-top: 60px;
  animation: none;
}
.mod.b2.fixedModTitle {
  position: relative;
  padding-top: 340px;
}
.mod.b2.fixedModTitle .modTitle .intro {
  height: 0;
  overflow: hidden;
  transition: all 500ms;
}
.mod.b2.fixedModTitle .modTitle {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  background-color: #fff;
  box-shadow: 0 0 15px #f7f7f7;
}
.mod.b2.fixedModTitle .control {
  margin-top: -30px;
}
.mod.b2 .modTitle {
  padding-top: 30px;
  position: relative;
  z-index: 1;
}
.mod.b2 .modTitle .intro {
  height: 72px;
}
.mod.b2 .control {
  margin-top: 20px;
  text-align: center;
  font-size: 0;
  position: relative;
  border-bottom: 1px solid #f1f1f1;
  height: 90px;
}
.mod.b2 .control li {
  width: 25%;
  float: left;
  text-align: center;
}
.mod.b2 .control li a {
  display: inline-block;
  text-align: center;
  height: 90px;
  line-height: 90px;
  font-size: 18px;
  color: #3b4459;
  border-bottom: 1px solid transparent;
}
.mod.b2 .control li.active a,
.mod.b2 .control li a:hover,
.mod.b2 .control li a.active {
  color: #2f83f4;
  border-bottom-color: #2f83f4;
  position: relative;
}
.mod.b2 .modBody .detail.i1 {
  border-top: none;
}
.mod.b2 .modBody .detail {
  margin-top: -1px;
  padding: 87px 0;
  border-top: 1px solid #f1f1f1;
  position: relative;
}
.mod.b2 .modBody .detail .content {
  width: 60%;
  max-width: 575px;
}
.mod.b2 .modBody .detail .cover {
  width: 40%;
  max-width: 640px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mod.b2 .modBody .detail .cover img {
  max-width: 100%;
}
.mod.b2 .modBody .detail .content .title {
  font-size: 24px;
  color: #2c2d48;
}
.mod.b2 .modBody .detail .content .intro {
  margin-top: 24px;
  font-size: 18px;
  line-height: 30px;
  color: #2c2d48;
}
.mod.b2 .modBody .detail .content .btn {
  margin-top: 104px;
  display: block;
  width: 130px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  font-size: 18px;
  color: #076bf2;
  border: 1px solid #076bf2;
}
.mod.b2 .modBody .detail.i1 .cover,
.mod.b2 .modBody .detail.i3 .cover {
  position: absolute;
  right: 0;
  top: 40px;
}
.mod.b2 .modBody .detail.i2 .cover,
.mod.b2 .modBody .detail.i4 .cover {
  position: absolute;
  left: 0;
  top: 40px;
}
.mod.b2 .modBody .detail.i1 .content,
.mod.b2 .modBody .detail.i3 .content {
  float: left;
}
.mod.b2 .modBody .detail.i2 .content,
.mod.b2 .modBody .detail.i4 .content {
  float: right;
}

.mod.b3 {
  background-color: #202746;
  color: #fff;
}
dl.mod.b3 dt.modTitle .title {
  color: #fff;
}
dl.mod.b3 dt.modTitle .intro {
  color: #64687b;
}
dl.mod.b3 .control {
  margin-top: 20px;
  margin-bottom: 47px;
  text-align: center;
  font-size: 0;
  position: relative;
  border-bottom: 1px solid #f1f1f1;
  height: 90px;
}
dl.mod.b3 .control li {
  display: inline-block;
  width: 16.66%;
  text-align: center;
}
dl.mod.b3 .control li a {
  display: inline-block;
  height: 90px;
  line-height: 90px;
  font-size: 18px;
  color: #8d90a0;
  border-bottom: 1px solid transparent;
}
dl.mod.b3 .control li.active a,
dl.mod.b3 .control li a:hover,
dl.mod.b3 .control li a.active {
  color: #fff;
  border-bottom-color: #2f83f4;
  position: relative;
}
dl.mod.b3 .modBody {
  padding-bottom: 46px;
}
dl.mod.b3 .modBody .detail {
  width: 938px;
  height: 380px;
  overflow: hidden;
  background-color: #fff;
  opacity: 0.5;
}
dl.mod.b3 .modBody .detail.swiper-slide-active {
  opacity: 1;
}
dl.mod.b3 .modBody .detail .cover img {
  height: 100%;
  width: 100%;
}
dl.mod.b3 .modBody .detail .cover {
  overflow: hidden;
  width: 491px;
  height: 100%;
  float: left;
  position: relative;
}
dl.mod.b3 .modBody .detail .cover::after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #202746;
  opacity: 0.7;
}
dl.mod.b3 .modBody .detail .content {
  width: 447px;
  float: right;
  color: #2c2d48;
  position: relative;
}
dl.mod.b3 .modBody .detail .content .title {
  padding-top: 44px;
  padding-left: 60px;
  font-size: 24px;
  font-family: PengFangBold;
}
dl.mod.b3 .modBody .detail .content .intro {
  margin-top: 25px;
  font-size: 18px;
  line-height: 30px;
  padding-left: 60px;
  padding-right: 80px;
}
dl.mod.b3 .modBody .detail .content .btn {
  display: block;
  width: 153px;
  height: 45px;
  line-height: 45px;
  text-align: center;
  position: absolute;
  right: 46px;
  top: 303px;
  background: linear-gradient(
    0deg,
    rgba(7, 107, 242, 1),
    rgba(30, 122, 246, 1)
  );
  border-radius: 4px;
  color: #fff;
  font-size: 18px;
}
dl.mod.b3 .side-control {
  width: 1110px;
  margin: 0 auto;
  position: relative;
  top: 50%;
}
@media screen and (max-width: 1300px) {
  dl.mod.b3 .side-control {
    width: 90%;
  }
}
dl.mod.b3 .side-control .swiper-button-next,
dl.mod.b3 .side-control .swiper-button-prev {
  top: 190px;
  width: 67px;
  height: 67px;
  border-radius: 50%;
  background: #fff;
  opacity: 0.4;
  outline: none;
  border: 1px solid #202746;
}
dl.mod.b3 .side-control .swiper-button-next:hover,
dl.mod.b3 .side-control .swiper-button-prev:hover {
  opacity: 0.9;
}
dl.mod.b3 .side-control .swiper-button-next::after,
dl.mod.b3 .side-control .swiper-button-prev::after {
  content: '';
  display: block;
  width: 15px;
  height: 15px;
  border: 1px solid #000;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-top: -8px;
}
dl.mod.b3 .side-control .swiper-button-prev::after {
  border-right: none;
  border-bottom: none;
  margin-left: -4px;
  transform: rotate(-45deg);
}
dl.mod.b3 .side-control .swiper-button-next::after {
  border-left: none;
  border-bottom: none;
  margin-left: -12px;
  transform: rotate(45deg);
}

dl.mod.b4 ul {
  margin-top: 40px;
  font-size: 0;
}
dl.mod.b4 ul li {
  width: 16.66%;
  float: left;
}
@media screen and (max-width: 1300px) {
  dl.mod.b4 ul li {
    width: 25%;
  }
}
dl.mod.b4 ul li .box * {
  transition: all 300ms;
}
dl.mod.b4 ul li .box {
  font-size: 16px;
  display: block;
  text-align: center;
  margin: 10px 3px;
  height: 250px;
  border: 1px solid #dddde8;
  overflow: hidden;
}
dl.mod.b4 ul li .icon {
  margin-top: 35px;
  height: 64px;
}
dl.mod.b4 ul li .title {
  margin-top: 24px;
  font-size: 24px;
  color: #2c2d48;
  font-family: PingFangBold;
}
dl.mod.b4 ul li .intro {
  margin: 13px 20px 0;
  color: #9f9f9f;
  font-size: 16px;
  line-height: 30px;
  text-align: center;
}
dl.mod.b4 ul li .btn {
  display: block;
  margin: 30px auto 0;
  width: 98px;
  height: 32px;
  text-align: center;
  line-height: 32px;
  background: linear-gradient(
    0deg,
    rgba(7, 107, 242, 1),
    rgba(30, 122, 246, 1)
  );
  border-radius: 4px;
  font-size: 14px;
  color: #fff;
}
dl.mod.b4 ul li .box:hover {
  box-shadow: 0px 6px 8px 0px rgba(163, 163, 163, 0.16);
}
dl.mod.b4 ul li .box:hover .icon {
  height: 0;
  margin-top: 25px;
  overflow: hidden;
}

dl.mod.b5 ul {
  margin: 50px 0;
}
dl.mod.b5 ul li {
  float: left;
  width: 25%;
}
dl.mod.b5 ul li a {
  display: block;
  margin: 0 15px;
  position: relative;
  border-radius: 9px;
  overflow: hidden;
  box-shadow: 0px 3px 5px 0px rgba(163, 163, 163, 0.16);
  text-decoration: none;
}
dl.mod.b5 ul li .cover {
  height: 210px;
  position: relative;
  overflow: hidden;
}
dl.mod.b5 ul li a:hover .cover .tips {
  opacity: 1;
}
dl.mod.b5 ul li a:hover .cover img {
  transform: scale(1.1);
}
dl.mod.b5 ul li .cover .tips {
  opacity: 0;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin-top: 0;
  padding-top: 80px;
  text-align: center;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.5);
}
dl.mod.b5 ul li .cover strong {
  font-weight: normal;
  font-size: 26px;
  font-family: PingFangBold;
}
dl.mod.b5 ul li .cover div {
  margin-top: 7px;
  font-size: 18px;
}
dl.mod.b5 ul li .title {
  height: 55px;
  line-height: 55px;
  text-align: center;
  font-size: 16px;
}

.b6 {
  margin-top: 125px;
  text-align: center;
}
.b6 dt {
  margin: 0 auto 65px;
  width: 96px;
  height: 96px;
  position: relative;
}
.b6 dt::before {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 109px;
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  background: linear-gradient(
    20deg,
    rgba(108, 238, 213, 1),
    rgba(97, 145, 252, 1)
  );
  box-shadow: 0px 0px 16px 0px rgba(60, 113, 211, 0.16);
  border-radius: 50%;
}
.b6 dd::after {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -42px;
  content: '';
  display: block;
  width: 1px;
  height: 37px;
  background: linear-gradient(
    20deg,
    rgba(108, 238, 213, 1),
    rgba(97, 145, 252, 1)
  );
  box-shadow: 0px 0px 16px 0px rgba(60, 113, 211, 0.16);
}
.b6 dt strong {
  font-weight: normal;
  position: relative;
  z-index: 1;
  display: block;
  padding: 18px 24px;
  background: linear-gradient(
    200deg,
    rgba(108, 238, 213, 1),
    rgba(97, 145, 252, 1)
  );
  box-shadow: 0px 0px 16px 0px rgba(60, 113, 211, 0.16);
  border-radius: 50%;
  font-size: 24px;
  line-height: 30px;
  text-shadow: 0px 2px 2px rgba(16, 96, 167, 0.16);
  color: #fff;
}
@keyframes bubble {
  from {
    transform: scale(1, 1);
  }
  to {
    transform: scale(1.2, 1.2);
  }
}
.b6 dt div {
  position: absolute;
  left: 50%;
  top: 50%;
}
.b6 dt .c1 {
  width: 120px;
  height: 120px;
  margin-left: -60px;
  margin-top: -60px;
  background: linear-gradient(
    20deg,
    rgba(145, 238, 220, 1),
    rgba(144, 178, 252, 1)
  );
  opacity: 0.4;
  border-radius: 50%;
  animation: bubble 2000ms 300ms infinite alternate;
}
.b6 dt .c2 {
  width: 148px;
  height: 148px;
  margin-left: -74px;
  margin-top: -74px;
  background: linear-gradient(
    20deg,
    rgba(145, 238, 220, 1),
    rgba(144, 178, 252, 1)
  );
  opacity: 0.2;
  border-radius: 50%;
  animation: bubble 2000ms infinite alternate;
}
.b6 dd {
  position: relative;
  padding: 50px 0 80px;
}
.b6 dd:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 6%;
  right: 6%;
  height: 150px;
  border: 1px solid #6191fc;
  border-bottom: none;
  border-left: none;
  border-right: none;
  border-radius: 75px;
}
.b6 dd ul li {
  float: left;
  width: 12.5%;
  padding: 35px 0;
}
.b6 dd ul li .title {
  font-size: 22px;
  margin-top: 16px;
}
.b6 .slogon {
  font-size: 30px;
  margin: 30px 0;
  text-align: center;
}
.b6 .btn {
  margin: 40px auto;
  display: block;
  width: 237px;
  height: 51px;
  line-height: 51px;
  background: linear-gradient(
    200deg,
    rgba(108, 238, 213, 1),
    rgba(97, 145, 252, 1)
  );
  box-shadow: 0px 0px 16px 0px rgba(60, 113, 211, 0.16);
  border-radius: 5px;
  font-size: 22px;
  color: #fff;
  font-family: PingFangBold;
}
.b6 .links {
  font-size: 24px;
  font-family: PingFangLight;
  color: #d1d1d1;
}
.b6 .links a {
  color: #000;
}

.btn:hover {
  background-color: #076bf2;
  color: #fff !important;
}