@keyframes spread {
  0% {
    transform: scale(0);
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }

  100% {
    transform: scale(1);
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}

@-webkit-keyframes spread {
  0% {
    transform: scale(0);
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }

  100% {
    transform: scale(1);
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}

@-moz-keyframes spread {
  0% {
    transform: scale(0);
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }

  100% {
    transform: scale(1);
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}

@-o-keyframes spread {
  0% {
    transform: scale(0);
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    transform: scale(0);
  }

  100% {
    transform: scale(1);
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}

.w {
  width: 1200px;
  margin: 0 auto;
}

/* banner */
.banner-box {
  width: 100%;
  background: url(../imgs/bg.png) no-repeat center center;
  background-size: cover;
  margin-top: 117px;
}

.banner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 800px;
}

.banner-content > img {
  margin-left: -50px;
  width: 717px;
}

.banner-text h1 {
  color: #3c3c3c;
  font-family: Microsoft YaHei;
  font-size: 56px;
  font-style: normal;
  font-weight: 700;
  line-height: 100%;
}

.banner-text ul {
  margin-top: 48px;
  margin-bottom: 52px;
}

.banner-text ul li {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.banner-text ul li:last-child {
  margin-bottom: 0;
}

.banner-text ul li span {
  color: #284353;
  font-family: Microsoft YaHei;
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0.4px;
  opacity: 0.8500000238418579;
  margin-left: 16px;
}

.download-box {
  display: flex;
  align-items: center;
}

.download-item {
  position: relative;
  width: fit-content;
}

.download-item:nth-child(2) {
  margin-left: 30px;
}

.download-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 13px 14px;
  box-sizing: border-box;
  border-radius: 12px;
  background: linear-gradient(148deg, #3282f0 0%, #4abffe 100%);
}

.download-item a:last-child {
  padding: 13px 23px;
}

.download-item a span {
  color: #fff;
  font-family: Microsoft YaHei UI;
  font-size: 20px;
  font-style: normal;
  font-weight: 700;
  margin-left: 10px;
}

.download-btn {
  position: relative;
  overflow: hidden;
  z-index: 2;
}

.download-btn i {
  position: absolute;
  top: 50%;
  left: 50%;
  background: rgba(255, 255, 255, 0.2);
  width: 280px;
  height: 280px;
  border-radius: 50%;
  margin-left: -140px;
  margin-top: -140px;
  animation: spread 1.5s infinite both;
  -webkit-animation: spread 1.5s infinite both;
  -moz-animation: spread 1.5s infinite both;
  -o-animation: spread 1.5s infinite both;
  z-index: 1;
}

.banner-info {
  display: flex;
  align-items: center;
  margin-top: 30px;
}

.banner-info img {
  margin-right: 6px;
}

.banner-info p {
  display: flex;
  align-items: center;
  color: #445d6c;
  font-family: Microsoft YaHei;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
}

.banner-info p:nth-child(2) {
  margin-left: 24px;
}

/* 强大高效的解压缩类软件 */
.func-box {
  width: 100%;
  padding-top: 94px;
  padding-bottom: 107px;
  box-sizing: border-box;
  background: linear-gradient(
    312deg,
    rgba(68, 177, 251, 0.11) 0%,
    rgba(241, 245, 255, 0) 100%
  );
}

.common-title {
  position: relative;
  width: fit-content;
  margin: 0 auto;
}

.common-title img:nth-child(1) {
  position: absolute;
  left: -60px;
  top: -23px;
}

.common-title img:nth-child(3) {
  position: absolute;
  right: -33px;
  bottom: -13px;
}

.common-h1 {
  display: flex;
  align-items: center;
  justify-content: center;
}

.common-h1 h1:nth-child(1) {
  margin-right: 10px;
  color: #3c3c3d;
  font-family: Microsoft YaHei;
  font-size: 36px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 1.8px;
}

.common-h1 h1:nth-child(2) {
  background: linear-gradient(97deg, #3481f2 0%, #48b9ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: Microsoft YaHei;
  font-size: 36px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 1.8px;
}

.func-box > p {
  color: #284353;
  font-family: Microsoft YaHei;
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 1px;
  margin-top: 21px;
  margin-bottom: 74px;
  text-align: center;
}

.func-box ul {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.func-box ul:last-child {
  margin-top: 30px;
}

.func-box ul li {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 218px;
  height: 200px;
  background: #fff;
  border: 1px solid #e6e6e6;
  border-radius: 10px;
}

.func-box ul li h2 {
  color: #284353;
  font-family: Microsoft YaHei;
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0.4px;
  opacity: 0.8500000238418579;
  margin-top: 30px;
}

/* 介绍 */
.intro-bg:nth-child(2n) {
  background: linear-gradient(
    312deg,
    rgba(68, 177, 251, 0.11) 0%,
    rgba(241, 245, 255, 0) 100%
  );
}

.intro-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 125px;
  padding-bottom: 145px;
}

.intro-title {
  position: relative;
  width: fit-content;
}

.intro-title > img {
  position: absolute;
  left: -29px;
  top: -40px;
  z-index: 1;
}

.intro-bg:nth-child(2n) .intro-item > img {
  margin-right: 83px;
}

.intro-bg:nth-child(2n + 1) .intro-item > img {
  margin-left: 37px;
}

.intro-bg .intro-item .img-one {
  height: 338px;
}
.intro-bg .intro-item .img-two {
  margin-left: 90px !important;
}

.intro-h1 {
  position: relative;
  display: flex;
  align-items: center;
  z-index: 2;
}

.intro-h1 h1 {
  color: #284353;
  font-family: Microsoft YaHei;
  font-size: 30px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 1.5px;
}

.intro-h1 h1.intro-style {
  margin-left: 10px;
  margin-right: 10px;
  background: linear-gradient(97deg, #3481f2 0%, #48b9ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-text p {
  margin-top: 28px;
  width: 423px;
  color: #284353;
  font-family: Microsoft YaHei;
  font-size: 22px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 0.66px;
  opacity: 0.55;
}

.intro-text p.p-one {
  width: 517px;
}

.intro-text p.p-two {
  width: 495px;
}
.intro-text p.p-three {
  width: 480px;
}

/* 底部下载 */
.bottom-download-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 340px;
  background: url(../imgs/banner_background_image.png) no-repeat center center;
  background-size: cover;
}

.bottom-title {
  display: flex;
  align-items: center;
}

.bottom-title h1 {
  color: #284353;
  font-family: Microsoft YaHei;
  font-size: 40px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 1px;
  margin-left: 30px;
}

.bottom-p {
  display: flex;
  align-items: center;
  margin: 36px 0;
}

.bottom-p p:nth-child(1) {
  margin-right: 8px;
  color: #435c6b;
  font-family: Microsoft YaHei;
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 1px;
}

.bottom-p p:nth-child(2) {
  background: linear-gradient(35deg, #3481f2 0%, #48b9ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: Microsoft YaHei;
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 1px;
}

/* 用户评价 */
.assess-box {
  padding-top: 104px;
  padding-bottom: 40px;
  background: linear-gradient(
    312deg,
    rgba(68, 177, 251, 0.11) 0%,
    rgba(241, 245, 255, 0) 100%
  );
}

.assess-box .swiper-container {
  padding-top: 83px;
  padding-bottom: 73px;
  box-sizing: border-box;
}

.assess-box .swiper-slide ul {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.assess-box .swiper-slide ul li {
  position: relative;
  width: 363px;
  height: 313px;
  padding: 28px;
  box-sizing: border-box;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0px 0px 34px 0px rgba(231, 239, 255, 0.8);
}

.assess-box .swiper-slide ul li p {
  color: #757575;
  font-family: Microsoft YaHei;
  font-size: 17px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  margin-top: 25px;
}

.assess-box .swiper-slide ul li > img {
  position: absolute;
  right: 18px;
  top: 28px;
}

.assess-top {
  display: flex;
  align-items: center;
}

.assess-name {
  margin-left: 15px;
}

.assess-name h2 {
  color: #000;
  font-family: Microsoft YaHei;
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  margin-bottom: 8px;
}

.swiper-pagination-box {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 73px;
}

.swiper-pagination-bullet {
  width: 60px;
  height: 9px;
  border-radius: 40px;
  background: #999;
}

.swiper-pagination-bullet.swiper-pagination-bullet-active {
  background: linear-gradient(rgba(48, 128, 238, 1), rgba(75, 196, 255, 1));
}

.swiper-pagination-bullet:nth-child(2) {
  margin-left: 10px;
}

/* 修改图片size */
.img-size {
  width: 560px !important;
}

.allBuy > img,
.download-btn > img {
  width: 30px;
}