@charset "utf-8";

html,
body {
  overflow-x: hidden;
}

body,
.dd-page * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

.dd-page a {
  text-decoration: none;
}

.dd-page img {
  border: 0;
  height: auto;
  font-size: 0;
  display: block;
}

.dd-page li {
  list-style: none;
}

.dd-page a {
  text-decoration: none;
  color: #fff;
}

.dd-red {
  color: #ff7801;
}

.dd-gray {
  color: #575757;
}

.dd-page {
  font-family: 'Microsoft YaHei', sans-serif;
  overflow: hidden;
  width: 1600px;
  position: relative;
  left: 50%;
  margin-left: -800px;
  line-height: 1.6;
  color: #100e0c;
  font-size: 18px;
}

.dd-container {
  width: 960px;
  margin: 0px auto;
}

.dd-header {
  background: url(../images/banner.jpg) no-repeat;
  background-size: 100% auto;
  background-position: center top;
  height: 750px;
  position: relative;
  padding-bottom: 200px;
}

.dd-header::before {
  content: '\20';
  left: 0;
  right: 0;
  bottom: 0;
  height: 584px;
  background: url(../images/cloud.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  z-index: 1;
}

.dd-header>.dd-container {
  height: 100%;
}

.dd-header-inner {
  position: relative;
  height: 100%;
  display: flex;
  align-items: flex-end;
  padding-left: 10px;
  padding-bottom: 40px;
}

.dd-header-inner::after {
  content: '\20';
  position: absolute;
  width: 472px;
  height: 141px;
  background: url(../images/fri.png) no-repeat;
  background-size: contain;
  left: 100px;
  bottom: -20px;
  z-index: 1;
}

.dd-header .dd-slogan {
  width: 567px;
}

.dd-header .dd-slogan img {
  width: 100%;
  height: auto;
  display: block;
}

.dd-body {
  padding-top: 10px;
  background: #296ad0 url(../images/footer.jpg) no-repeat;
  background-position: center bottom;
  background-size: 100% auto;
  position: relative;
  padding-bottom: 80px;
}

.dd-part01 {
  background-color: #fff;
  border-radius: 15px;
  padding: 10px;
  position: relative;
  z-index: 1;
  margin-top: -150px;
}

.dd-part01.dd-Two {
  margin-top: 3em;
}


.dd-part01-tag {
  width: 79px;
  height: 75px;
  background: url(../images/part01-tag.png) no-repeat;
  background-size: contain;
  position: absolute;
  right: 105px;
  top: 50px;
  z-index: 2;
}

.dd-part01-head {
  background-color: #7fa4f5;
  border-radius: 15px;
  min-height: 125px;
  padding: 65px 20px 10px;
  position: relative;
  text-align: center;
}

.dd-part01-head.dd-two {
  margin-top: 30px;
  padding-top: 0;
  min-height: 50px;
  margin-bottom: 20px;
}

.dd-part01-head .dd-icon {
  width: 115px;
  height: 10px;
  border-radius: 10px;
  background-color: #fff;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 25px;
}

.dd-part01-head .dd-icon::after {
  content: '\20';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #fff;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -12px;
}

.dd-part01-head::before {
  content: '\20';
  left: 10px;
  right: 10px;
  bottom: -1px;
  border-bottom: 1px dashed #fff;
  position: absolute;
}

.dd-part01-head strong {
  font-size: 36px;
  color: #fff;
}

.dd-part01-main {
  background-color: #7fa4f5;
  border-radius: 15px;
  padding: 25px;
}

.dd-part01-inner {
  background: url(../images/inner-back.jpg) no-repeat;
  background-size: cover;
  border-radius: 15px;
  padding: 20px 25px;
}

.dd-part01-items {
  display: flex;
  margin: 0 -15px;
}

.dd-part01-items .dd-item {
  width: 50%;
  padding: 0 15px;
}

.dd-part01-items .dd-item.dd-full {
  width: 65%;
  margin: 0 auto;
}

.dd-part01-items .dd-item.dd-full .dd-part01-code {
  height: 180px;
  background-image: url(../images/part01-codeTwo.png);
}

.dd-part01-items .dd-item.dd-full .dd-part01-code .dd-right-inner {
  margin-top: 50px;
}

.dd-part01-code {
  height: 160px;
  background: url(../images/part01-code.png) no-repeat;
  background-size: 100% 100%;
  padding: 40px 15px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.dd-part01-code .dd-text {
  width: 149px;
}

.dd-part01-code .dd-text img {
  width: 100%;
  height: auto;
  display: block;
}

.dd-part01-code .dd-right-tag {
  border-radius: 0 0 15px 15px;
  background-color: #f3f4a9;
  padding: 0 20px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

.dd-part01-code .dd-right-inner {
  font-size: 16px;
  text-align: center;
  line-height: 1.25;
  color: #666666;
  margin-top: 45px;
}

.dd-part01-tips {
  margin-top: 20px;
  font-size: 18px;
  padding: 5px;
  border-top: 1px solid #000000;
  border-bottom: 1px solid #000000;
  text-align: center;
  font-weight: 500;
}

.dd-part02 {
  margin-top: 40px;
  background-image: -moz-linear-gradient(0deg, rgb(222, 254, 251) 0%, rgb(135, 163, 239) 100%);
  background-image: -webkit-linear-gradient(0deg, rgb(222, 254, 251) 0%, rgb(135, 163, 239) 100%);
  background-image: -ms-linear-gradient(0deg, rgb(222, 254, 251) 0%, rgb(135, 163, 239) 100%);
  padding-bottom: 20px;
  border-radius: 15px;
}

.dd-part02-head {
  padding: 30px 100px;
  position: relative;
  line-height: 1;
}

.dd-part02-head strong {
  font-size: 36px;
  color: #427deb;
}

.dd-part02-head .dd-tag {
  content: '\20';
  width: 191px;
  height: 165px;
  background: url(../images/part02-icon.png) no-repeat;
  background-size: contain;
  position: absolute;
  right: 118px;
  bottom: -35px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 30px;
  padding-bottom: 30px;
}

.dd-part02-head .dd-tag img {
  width: 106px;
}

.dd-part02-main {
  background-color: #fff;
  box-shadow: 0px 1px 77px 0px rgba(0, 0, 0, 0.35);
  border-radius: 15px;
  padding: 15px;
  position: relative;
  z-index: 1;
}

.dd-part02-inner {
  border-radius: 15px;
  border: 6px solid #87a2ee;
  background: url(../images/inner-back.jpg) no-repeat;
  background-size: cover;
  padding: 20px 35px;
  font-size: 18px;
}

.dd-part02-inner ul {
  padding-left: 1em;
}

.dd-part02-inner ul li {
  list-style-position: outside;
  list-style-type: decimal;
}

@media screen and (max-width: 1024px) {
  .dd-page {
    width: 100%;
    left: 0;
    margin-left: 0;
    position: relative;
    font-size: 1.85vw;
  }

  .dd-container {
    width: 95%;
  }

  .dd-header {
    background-position: center bottom;
    background-size: cover;
    height: 60vw;
    padding-bottom: 15vw;
  }

  .dd-header::before {
    height: 36.5vw;
    bottom: -3vw;
  }


  .dd-header-inner {
    padding-left: 1vw;
    padding-bottom: 3vw;
  }

  .dd-header-inner::after {
    width: 47.2vw;
    height: 14.1vw;
    left: 10vw;
    bottom: -2vw;
  }

  .dd-header .dd-slogan {
    width: 52vw;
  }

  .dd-body {
    padding-top: 1vw;
    padding-bottom: 7.5vw;
    min-height: 10rem;
  }

  .dd-part01 {
    border-radius: 1.5vw;
    margin-top: -11vw;
  }

  .dd-part01-tag {
    width: 7.9vw;
    height: 7.5vw;
    right: 5vw;
    top: 2vw;
  }

  .dd-part01-head {
    border-radius: 1.5vw;
    min-height: 10vw;
    padding: 6.5vw 2vw 1vw;
  }

  .dd-part01-head.dd-two {
    margin-top: 3vw;
    padding-top: 0;
    min-height: 5vw;
    margin-bottom: 2vw;
  }

  .dd-part01-items .dd-item.dd-full .dd-part01-code {
    height: 18vw;
  }

  .dd-part01-items .dd-item.dd-full .dd-part01-code .dd-right-inner {
    margin-top: 4.5vw;
  }

  .dd-part01-head .dd-icon {
    width: 11.5vw;
    height: 1vw;
    border-radius: 1vw;
    top: 2.5vw;
  }

  .dd-part01-head .dd-icon::after {
    width: 2vw;
    height: 2vw;
    top: -1.2vw;
  }


  .dd-part01-head strong {
    font-size: 3.6vw;
  }

  .dd-part01-main {
    border-radius: 1.5vw;
    padding: 2vw;
  }

  .dd-part01-inner {
    border-radius: 1.5vw;
    padding: 1.5vw 2vw;
  }

  .dd-part01-items {
    margin: 0 -1vw;
  }

  .dd-part01-items .dd-item {
    padding: 0 1vw;
  }

  .dd-part01-code {
    height: 17.5vw;
    background-size: 100% 100%;
    padding: 4.5vw 1.5vw 1vw;
  }

  .dd-part01-code .dd-text {
    width: 15vw;
  }


  .dd-part01-code .dd-right-tag {
    border-radius: 0 0 1vw 1vw;
    padding: 0 2vw;
  }

  .dd-part01-code .dd-right-inner {
    font-size: 1.75vw;
    margin-top: 4.5vw;
  }

  .dd-part01-tips {
    margin-top: 2vw;
    font-size: 1.75vw;
    padding: .5vw;
  }

  .dd-part02 {
    margin-top: 4.5vw;
    padding-bottom: 2vw;
  }

  .dd-part02-head {
    padding: 3.5vw 5vw 2.5vw;
  }

  .dd-part02-head strong {
    font-size: 3.6vw;
  }

  .dd-part02-head .dd-tag {
    width: 19.1vw;
    height: 16.5vw;
    right: 9.5vw;
    bottom: -3.5vw;
    padding-left: 3vw;
    padding-bottom: 3vw;
  }

  .dd-part02-head .dd-tag img {
    width: 10.6vw;
  }

  .dd-part02-main {
    box-shadow: 0px 1px 5vw 0px rgba(0, 0, 0, 0.35);
    border-radius: 1.5vw;
    padding: 1.5vw;
  }

  .dd-part02-inner {
    border-radius: 1.5vw;
    border: .6vw solid #87a2ee;
    padding: 2vw 3.5vw;
    font-size: 1.75vw;
  }

}

@media screen and (max-width: 550px) {
  .dd-page {
    font-size: 11px;
  }



  .dd-part01 {
    border-radius: 5px;
    margin-top: -40px;
  }

  .dd-part01-tag {
    width: 39px;
    height: 35px;
  }

  .dd-part01-head {
    border-radius: 5px;
    min-height: 50px;
    padding: 25px 5px 5px;
  }

  .dd-part01-head .dd-icon {
    width: 50px;
    height: 5px;
    border-radius: 5px;
    top: 15px;
  }

  .dd-part01-head .dd-icon::after {
    width: 7px;
    height: 7px;
    top: -5px;
  }


  .dd-part01-head strong {
    font-size: 16px;
  }

  .dd-part01-items .dd-item.dd-full {
    width: 100%;
  }

  .dd-part01-items .dd-item.dd-full .dd-part01-code {
    height: 140px;
  }

  .dd-part01-items .dd-item.dd-full .dd-part01-code .dd-right-inner {
    margin-top: 30px;
  }

  .dd-part01-main {
    border-radius: 5px;
    padding: 5px;
  }

  .dd-part01-inner {
    border-radius: 5px;
    padding: 5px;
  }

  .dd-part01-items {
    margin: 0;
    flex-direction: column;
  }

  .dd-part01-items .dd-item {
    width: 100%;
    padding: 5px;
  }

  .dd-part01-code {
    height: 120px;
    padding: 35px 15px 15px;
  }

  .dd-part01-code .dd-text {
    width: 100px;
  }


  .dd-part01-code .dd-right-tag {
    border-radius: 0 0 5px 5px;
    padding: 0 15px;
    font-size: 12px;
  }

  .dd-part01-code .dd-right-inner {
    font-size: 12px;
    margin-top: 30px;
  }

  .dd-part01-tips {
    margin-top: 10px;
    font-size: 10px;
    padding: 5px 0;
  }

  .dd-part02 {
    margin-top: 35px;
    padding-bottom: 2vw;
  }

  .dd-part02-head {
    padding: 15px 10px 15px;
  }

  .dd-part02-head strong {
    font-size: 16px;
  }

  .dd-part02-head .dd-tag {
    width: 95px;
    height: 82px;
    right: 25px;
    bottom: -25px;
    padding-left: 15px;
    padding-bottom: 10px;
  }

  .dd-part02-head .dd-tag img {
    width: 45px;
  }

  .dd-part02-main {
    border-radius: 5px;
    padding: 5px;
  }

  .dd-part02-inner {
    border-radius: 5px;
    border: 2px solid #87a2ee;
    padding: 5px 10px;
    font-size: 11px;
  }
}