.main-body {
  min-width: 1280px;
}

.first-container {
  position: relative;
  height: 711px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/firstbg20210331.jpg") center top no-repeat;
}

.first-mask {
  position: absolute;
  width: 100%;
  height: 100%;
}

.slogan-container {
  position: relative;
  width: 311px;
  height: 306px;
  margin: 0 36%;
  top: 205px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/slogan20210331.png") center center no-repeat;
  transform: scale(0, 0);
  -webkit-transform: scale(0, 0);
  transform-origin: 50% 50%;
  -webkit-transform-origin: 50% 50%;
  animation: firstSlogan 1s 0.5s ease both;
  -webkit-animation: firstSlogan 1s 0.5s ease both;
}

@keyframes firstMask {
  0% {
    background: transparent;
  }
  100% {
    background: rgba(152, 129, 129, 0.2);
  }
}
@-webkit-keyframes firstMask {
  0% {
    background: transparent;
  }
  100% {
    background: rgba(152, 129, 129, 0.2);
  }
}
@keyframes firstSlogan {
  0% {
    transform: scale(0, 0);
  }
  100% {
    transform: scale(1, 1);
  }
}
@-webkit-keyframes firstSlogan {
  0% {
    -webkit-transform: scale(0, 0);
  }
  100% {
    -webkit-transform: scale(1, 1);
  }
}
.second-container {
  height: 769px;
  background-color: #fed312;
  z-index: 2;
  overflow: hidden;
}

.dna-container {
  position: relative;
  width: 1000px;
  height: 769px;
  margin: 0 auto;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/dnabg.png") no-repeat;
  background-position: center 40%;
}
.dna-container .main-dna {
  position: absolute;
  width: 100%;
  height: 85%;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/main-dna.png") center center no-repeat;
  z-index: 10;
}
.dna-container .dna {
  position: absolute;
  z-index: 9;
}
.dna-container .dna1 {
  width: 65px;
  height: 64px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/dna1.png") center center no-repeat;
}
.dna-container .dna2 {
  width: 83px;
  height: 115px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/dna2.png") center center no-repeat;
}
.dna-container .dna3 {
  width: 152px;
  height: 209px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/dna3.png") center center no-repeat;
}
.dna-container .dna4 {
  width: 189px;
  height: 126px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/dna4.png") center center no-repeat;
}
.dna-container .p1 {
  top: 310px;
  left: 0px;
  transform: rotateZ(0deg);
  animation: dnap1 100s 0.2s linear infinite both;
  -webkit-animation: dnap1 100s 0.2s linear infinite both;
}
.dna-container .p2 {
  top: 340px;
  left: 270px;
  transform: rotateZ(0deg);
  animation: dnap2 100s 0.2s linear infinite both;
  -webkit-animation: dnap2 100s 0.2s linear infinite both;
}
.dna-container .p3 {
  top: 280px;
  left: 610px;
  transform: rotateZ(0deg);
  animation: dnap3 100s 0.2s linear infinite both;
  -webkit-animation: dnap3 100s 0.2s linear infinite both;
}
.dna-container .p4 {
  top: 120px;
  left: 810px;
  transform: rotateZ(0deg);
  animation: dnap4 100s 0.2s linear infinite both;
  -webkit-animation: dnap4 100s 0.2s linear infinite both;
}
.dna-container .p5 {
  top: 30px;
  left: 330px;
  transform: rotateZ(70deg);
  animation: dnap5 100s 0.2s linear infinite both;
  -webkit-animation: dnap5 100s 0.2s linear infinite both;
}
.dna-container .p6 {
  top: 190px;
  left: 130px;
  transform: rotateZ(0deg);
  animation: dnap6 100s 0.2s linear infinite both;
  -webkit-animation: dnap6 100s 0.2s linear infinite both;
}
.dna-container .p7 {
  top: 430px;
  left: 30px;
  transform: rotateZ(-10deg);
  animation: dnap7 100s 0.2s linear infinite both;
  -webkit-animation: dnap7 100s 0.2s linear infinite both;
}
.dna-container .p8 {
  top: -10px;
  left: 730px;
  transform: rotateZ(-50deg);
  animation: dnap8 100s 0.2s linear infinite both;
  -webkit-animation: dnap8 100s 0.2s linear infinite both;
}
.dna-container .p9 {
  top: -40px;
  left: 0px;
  transform: rotateZ(70deg);
  animation: dnap9 100s 0.2s linear infinite both;
  -webkit-animation: dnap9 100s 0.2s linear infinite both;
}
.dna-container .p10 {
  top: 290px;
  left: 770px;
  transform: rotateZ(0deg);
  animation: dnap10 100s 0.2s linear infinite both;
  -webkit-animation: dnap10 100s 0.2s linear infinite both;
}
.dna-container .p11 {
  top: 360px;
  left: 170px;
  transform: rotateZ(0deg);
  animation: dnap11 100s 0.2s linear infinite both;
  -webkit-animation: dnap11 100s 0.2s linear infinite both;
}
.dna-container .p12 {
  top: 80px;
  left: 550px;
  transform: rotateZ(0deg);
  animation: dnap12 100s 0.2s linear infinite both;
  -webkit-animation: dnap12 100s 0.2s linear infinite both;
}
.dna-container .dqdes {
  position: absolute;
  z-index: 11;
  overflow: hidden;
  height: 100px;
  width: 0;
}
.dna-container .dq-content:hover {
  cursor: pointer;
}
.dna-container .dq-content:hover .dq-title-s {
  opacity: 1;
}
.dna-container .dq-title {
  font-size: 24px;
  color: #221815;
}
.dna-container .dq-title-s {
  font-size: 12px;
  color: #221815;
  opacity: 0;
  transition: opacity 0.5s;
}
.dna-container .dq-title-s:hover {
  opacity: 1;
}
.dna-container .dna-slogan {
  position: absolute;
  left: 50%;
  margin-left: -100px;
  bottom: 150px;
}
.dna-container .dna-slogan img {
  display: block;
}
.dna-container .dq1 {
  top: 122px;
  left: 275px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/1.png") left bottom no-repeat;
  animation: dq1A 0.5s 0.2s ease both;
  -webkit-animation: dq1A 0.5s 0.2s ease both;
}
.dna-container .dq1 .dq-content {
  width: 336px;
  margin-left: 120px;
}
.dna-container .dq2 {
  top: 179px;
  left: 487px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/2.png") left bottom no-repeat;
  animation: dq2A 0.5s 0.8s ease both;
  -webkit-animation: dq2A 0.5s 0.8s ease both;
}
.dna-container .dq2 .dq-content {
  margin-left: 120px;
  width: 393px;
}
.dna-container .dq3 {
  top: 280px;
  left: 652px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/3.png") left 20px no-repeat;
  animation: dq3A 0.5s 1.4s ease both;
  -webkit-animation: dq3A 0.5s 1.4s ease both;
}
.dna-container .dq3 .dq-content {
  margin-left: 120px;
  width: 228px;
}
.dna-container .dq4 {
  top: 410px;
  right: 310px;
  width: 420px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/4.png") 230px top no-repeat;
  animation: dq4A 0.5s 2s ease both;
  -webkit-animation: dq4A 0.5s 2s ease both;
}
.dna-container .dq4 .dq-content {
  width: 420px;
  margin-right: -90px;
  margin-top: 20px;
}
.dna-container .dq5 {
  top: 317px;
  right: 590px;
  width: 385px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/5.png") 230px top no-repeat;
  animation: dq5A 0.5s 2.6s ease both;
  -webkit-animation: dq5A 0.5s 2.6s ease both;
}
.dna-container .dq5 .dq-content {
  margin-right: -60px;
  margin-top: 20px;
  width: 445px;
}

.third-container {
  position: relative;
  height: 753px;
  margin-top: -88px;
  background: url("https://static.mobage.cn/html/promotion/denachina/images/dq/thirdbg.png") center top no-repeat;
  padding-top: 160px;
  z-index: 3;
}

.third-title {
  width: 450px;
  margin: 0 auto;
  color: white;
  font-size: 48px;
  font-weight: bold;
  line-height: 120px;
}
.third-title img {
  margin-right: 50px;
}

.third-content {
  color: white;
  margin: 50px 180px;
  text-align: center;
  line-height: 22px;
}

.forth-container {
  margin-top: -160px;
  position: relative;
  background-color: #f6f6f6;
  z-index: 4;
}

.box-container {
  position: relative;
  top: -240px;
  width: 1280px;
  margin: 0 auto;
}
.box-container .box {
  position: relative;
  width: 320px;
  height: 320px;
  background-color: #fff;
  overflow: hidden;
}
.box-container .box img {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: center center;
  -webkit-transform-origin: center center;
}
.box-container .box:hover img {
  -webkit-animation: boxBg 1s 0s ease both;
  -moz-animation: boxBg 1s 0s ease both;
}
.box-container .box:hover:after {
  position: absolute;
  content: "";
  display: block;
  top: 0;
  left: 0;
  width: 320px;
  height: 320px;
  background-color: #fff;
  z-index: 5;
  opacity: 0.2;
}
.box-container .box-des {
  position: relative;
  display: block;
  padding: 100px 0 0 55px;
  text-decoration: none;
  width: 265px;
  height: 220px;
  transition: background-color 0.5s;
  z-index: 6;
}
.box-container .box-des .box-title {
  color: #d61453;
  transition: color 0.5s;
}
.box-container .box-des .box-content {
  color: #000;
  font-weight: bold;
  font-size: 36px;
  transition: color 0.5s;
}
.box-container .box-des .box-content span {
  font-size: 60px;
}
.box-container .box-des .box-sub {
  margin-top: 2px;
  color: #000;
  font-size: 12px;
  transition: color 0.5s;
}
.box-container .box-des:hover {
  transform-origin: center center;
  -webkit-transform-origin: center center;
  background-color: #d61453;
  -webkit-animation: boxBg 1s 0s ease both;
  -moz-animation: boxBg 1s 0s ease both;
}
.box-container .box-des:hover p {
  color: white;
}
.box-container img {
  display: block;
  width: 320px;
  height: 320px;
}

@-webkit-keyframes boxBg {
  0% {
    -webkit-transform: scale(1, 1);
  }
  100% {
    -webkit-transform: scale(1.2, 1.2);
  }
}
@keyframes boxBg {
  0% {
    transform: scale(1, 1);
  }
  100% {
    transform: scale(1.2, 1.2);
  }
}
@-webkit-keyframes flip {
  0% {
    -webkit-transform: rotateY(0);
    -webkit-animation-timing-function: ease-out;
  }
  40% {
    -webkit-transform: rotateY(170deg);
    -webkit-animation-timing-function: ease-out;
  }
  50% {
    -webkit-transform: rotateY(190deg);
    -webkit-animation-timing-function: ease-in;
  }
  100% {
    -webkit-transform: rotateY(360deg);
    -webkit-animation-timing-function: ease-in;
  }
}
@-moz-keyframes flip {
  0% {
    -moz-transform: rotateY(0);
    -moz-animation-timing-function: ease-out;
  }
  40% {
    -moz-transform: rotateY(170deg);
    -moz-animation-timing-function: ease-out;
  }
  50% {
    -moz-transform: rotateY(190deg);
    -moz-animation-timing-function: ease-in;
  }
  100% {
    -moz-transform: rotateY(360deg);
    -moz-animation-timing-function: ease-in;
  }
}
@keyframes dq1A {
  0% {
    width: 0;
  }
  100% {
    width: 456px;
  }
}
@-webkit-keyframes dq1A {
  0% {
    width: 0;
  }
  100% {
    width: 456px;
  }
}
@keyframes dq2A {
  0% {
    width: 0;
  }
  100% {
    width: 513px;
  }
}
@-webkit-keyframes dq2A {
  0% {
    width: 0;
  }
  100% {
    width: 513px;
  }
}
@keyframes dq3A {
  0% {
    width: 0;
  }
  100% {
    width: 348px;
  }
}
@-webkit-keyframes dq3A {
  0% {
    width: 0;
  }
  100% {
    width: 348px;
  }
}
@keyframes dq4A {
  0% {
    width: 0;
  }
  100% {
    width: 420px;
  }
}
@-webkit-keyframes dq4A {
  0% {
    width: 0;
  }
  100% {
    width: 420px;
  }
}
@keyframes dq5A {
  0% {
    width: 0;
  }
  100% {
    width: 385px;
  }
}
@-webkit-keyframes dq5A {
  0% {
    width: 0;
  }
  100% {
    width: 385px;
  }
}
@keyframes dnap1 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 310px;
    left: 0px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 230px;
    left: 845px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 410px;
    left: 387px;
  }
}
@-webkit-keyframes dnap1 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 310px;
    left: 0px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 230px;
    left: 845px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 410px;
    left: 387px;
  }
}
@keyframes dnap2 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 340px;
    left: 270px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 130px;
    left: 845px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 210px;
    left: 387px;
  }
}
@-webkit-keyframes dnap2 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 340px;
    left: 270px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 130px;
    left: 845px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 210px;
    left: 387px;
  }
}
@keyframes dnap3 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 280px;
    left: 610px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 230px;
    left: 445px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 310px;
    left: 187px;
  }
}
@-webkit-keyframes dnap3 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 280px;
    left: 610px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 230px;
    left: 445px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 310px;
    left: 187px;
  }
}
@keyframes dnap4 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 120px;
    left: 810px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 230px;
    left: 245px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 210px;
    left: 87px;
  }
}
@-webkit-keyframes dnap4 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 120px;
    left: 810px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 230px;
    left: 245px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 210px;
    left: 87px;
  }
}
@keyframes dnap5 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 30px;
    left: 330px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 30px;
    left: 645px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 310px;
    left: 187px;
  }
}
@-webkit-keyframes dnap5 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 30px;
    left: 330px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 30px;
    left: 645px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 310px;
    left: 187px;
  }
}
@keyframes dnap6 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 190px;
    left: 130px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 490px;
    left: 130px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 390px;
    left: 730px;
  }
}
@-webkit-keyframes dnap6 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 190px;
    left: 130px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 490px;
    left: 130px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 190px;
    left: 130px;
  }
}
@keyframes dnap7 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 430px;
    left: 30px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 30px;
    left: 430px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 130px;
    left: 330px;
  }
}
@-webkit-keyframes dnap7 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 430px;
    left: 30px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 30px;
    left: 430px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 130px;
    left: 330px;
  }
}
@keyframes dnap8 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: -10px;
    left: 730px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 80px;
    left: 230px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 300px;
    left: 430px;
  }
}
@-webkit-keyframes dnap8 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: -10px;
    left: 730px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 80px;
    left: 230px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 300px;
    left: 430px;
  }
}
@keyframes dnap9 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: -40px;
    left: 0px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 40px;
    left: 490px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 140px;
    left: 600px;
  }
}
@-webkit-keyframes dnap9 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: -40px;
    left: 0px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 40px;
    left: 490px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 140px;
    left: 600px;
  }
}
@keyframes dnap10 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 290px;
    left: 770px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 90px;
    left: 270px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 10px;
    left: 270px;
  }
}
@-webkit-keyframes dnap10 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 290px;
    left: 770px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 90px;
    left: 270px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 10px;
    left: 270px;
  }
}
@keyframes dnap11 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 360px;
    left: 170px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 10px;
    left: 70px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 160px;
    left: 870px;
  }
}
@-webkit-keyframes dnap11 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 360px;
    left: 170px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 10px;
    left: 70px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 160px;
    left: 870px;
  }
}
@keyframes dnap12 {
  0% {
    transform-origin: center center;
    transform: rotateZ(0deg);
    top: 80px;
    left: 550px;
  }
  50% {
    transform-origin: center center;
    transform: rotateZ(90deg);
    top: 430px;
    left: 0px;
  }
  100% {
    transform-origin: center center;
    transform: rotateZ(210deg);
    top: 50px;
    left: 50px;
  }
}
@-webkit-keyframes dnap12 {
  0% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(0deg);
    top: 80px;
    left: 550px;
  }
  50% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(90deg);
    top: 430px;
    left: 0px;
  }
  100% {
    -webkit-transform-origin: center center;
    -webkit-transform: rotateZ(210deg);
    top: 50px;
    left: 50px;
  }
}