body {
  background: #fff;
}
.swiper-slide {
  overflow: hidden;
  transform-origin: 0 0;
}

.banner {
  position: relative;
  overflow: hidden;
}
.banner img {
  width: 100%;
}

/* 标题 */
.part-ad {
  font-size: 0.48rem;
  line-height: 0.6rem;
}
.part-ad span {
  display: block;
  color: #0a7ae0;
  background: url(../images/line-b.png) no-repeat 1rem center;
}
.part-ad p {
  color: #333;
}

/* 第1部分 */

.part1 {
  position: relative;
  padding: 0 0 0.4rem;
}

.part1-main {
  padding: 0 0.2rem;
}

.part1-ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 0.4rem 0 0;
}
.part1-li {
  margin: 0 0 0.4rem;
}
.part1-li:nth-child(3n + 2) {
  width: 2rem;
  padding: 0 0.8rem;
}
.part1-li:nth-child(3n + 2) img {
  width: 100%;
}

.part1-li-num {
  display: flex;
  align-items: flex-end;
  font-size: 14px;
  line-height: 1;
}
.part1-li-num span {
  font-size: 0.72rem;
  line-height: 0.6rem;
  color: #0a7ae0;
}
.part1-li-p {
  margin-top: 0.1rem;
  font-size: 16px;
  line-height: 24px;
  color: #333;
}

.part1-img {
  padding: 0 0 0.4rem;
}
.part1-img img {
  width: 100%;
}

.part1 .part-ad {
  background: url(../images/quality.png) no-repeat right center/4rem;
}

.part1-name {
  margin: 0.2rem 0;
  font-size: 0.36rem;
  line-height: 0.48rem;
  color: #333;
}
.part1-p {
  height: 120px;
  overflow: hidden;
  font-size: 14px;
  line-height: 24px;
  color: #333;
}

.part1-more {
  position: relative;
  z-index: 10;
  width: 2rem;
  margin-top: 0.2rem;
}
.part1-more a {
  display: block;
  font-size: 14px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  background: #0a7ae0;
  border: 1px solid #0a7ae0;
  border-radius: 12px;
}

/* 第2部分 */

.part2 {
  position: relative;
  padding: 0.6rem 0;
  background: url(../images/mpart2-bg.jpg) no-repeat center 0 / cover;
  border-bottom: 5px solid #93d726;
}

.part2-main {
  padding: 0 0.2rem;
}

.part2-name {
  margin: 0.2rem 0;
  font-size: 0.36rem;
  line-height: 0.48rem;
  color: #fff;
}
.part2-detail {
  margin: 0.2rem 0;
  font-size: 14px;
  line-height: 20px;
  color: #fff;
}

.part2-more {
  position: relative;
  z-index: 10;
  width: 2rem;
}
.part2-more a {
  display: block;
  font-size: 14px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  border: 1px solid #fff;
  border-radius: 12px;
}

.part2-box {
  display: flex;
  justify-content: space-between;
  margin: 0.4rem 0 0;
}

.part2-left {
  width: 2.2rem;
}

.part2-li {
  position: relative;
  padding: 0 0 0.3rem;
}

.part2-li i {
  display: block;
}
.part2-li i img {
  width: 100%;
}

.part2-li-layer {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0.4rem;
  width: 100%;
  text-align: center;
}

.part2-li-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  margin: 0 auto;
  background: #0a7ae0;
  border: 1px solid #0a7ae0;
  border-radius: 50%;
}
.part2-li-icon img {
  width: 0.5rem;
}

.part2-li-name {
  padding: 0.2rem 0 0;
  font-size: 0.3rem;
  line-height: 0.36rem;
  color: #333;
}

.part2-right {
  width: 4.7rem;
}

.part2-img {
  position: relative;
  padding: 0 0 0.2rem;
}
.part2-img i {
  display: block;
}
.part2-img i img {
  width: 100%;
}
.part2-img-font {
  position: absolute;
  z-index: 10;
  left: 0.5rem;
  top: 0.6rem;
  font-size: 0.3rem;
  line-height: 0.36rem;
  color: #333;
}

/* 第3部分 */

.part3 {
  position: relative;
  padding: 0 0 5vw;
}

.part3-main {
  position: relative;
  padding: 0 0.2rem;
}
.part3-main .part-ad {
  margin: 0.6rem 0 0.2rem;
  background: url(../images/part3-en.png) no-repeat right 0/5rem;
}

.part3-box {
  position: relative;
}

.part3-box ul li {
  position: relative;
  padding: 0 0 0.2rem;
}
.part3-box ul i {
  display: block;
}
.part3-box i img {
  width: 100%;
}
.part3-li-name {
  position: absolute;
  left: 0.4rem;
  top: 0.8rem;
  width: 3rem;
  font-size: 0.3rem;
  line-height: 0.36rem;
  color: #fff;
}

/* 第4部分 */

.part4 {
  position: relative;
}

.part4-main {
  padding: 0.2rem;
}
.part4-left {
  height: 6.6rem;
  background: url(../images/mpart4-bg1.jpg) no-repeat 0 0 / cover;
}
.part4-left ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0.8rem 0.2rem 0;
}
.part4-left ul li {
  width: 33.3%;
  padding: 0.1rem;
}
.part4-left ul li:nth-child(1) {
  margin-left: 0.4rem;
}
.part4-left i {
  display: block;
}
.part4-left i img {
  width: 100%;
}

.part4-title {
  margin-top: 0.8rem;
  padding-right: 0.4rem;
  text-align: right;
}
.part4-title .ch {
  font-size: 0.48rem;
  line-height: 0.6rem;
  color: #fff;
}
.part4-title .en {
  padding: 0.2rem 0 0;
}
.part4-title .en img {
  width: 5rem;
}

.part4-right {
  height: 6.6rem;
  padding: 0.8rem 0.2rem 0;
  background: url(../images/mpart4-bg2.jpg) no-repeat 0 0 / cover;
}

.part4-name {
  padding: 0 0 0 0.2rem;
  color: #333;
  background: url(../images/shu.png) no-repeat 0 center;
}
.part4-name .ch {
  font-size: 0.3rem;
  line-height: 0.36rem;
}
.part4-name .en {
  font-size: 14px;
  line-height: 18px;
  text-transform: uppercase;
}
.part4-nav {
  padding: 0.4rem 0 0 0.2rem;
}

.part4-nav ul li {
  padding: 0 0 0.2rem;
}
.part4-nav ul a {
  display: block;
  font-size: 0.3rem;
  line-height: 0.4rem;
  color: #333;
}

/*  */
footer {
  padding-bottom: 1.6rem;
}

/*  */

.fix-nav {
  position: fixed;
  z-index: 50;
  left: 0;
  bottom: 0;
  width: 100%;
}

.fix-nav ul {
  display: flex;
  justify-content: space-around;
  width: 100%;
  height: 1.4rem;
  padding: 0.3rem 0.1rem 0;
  background: rgba(0, 0, 0, 0.8);
}

.fix-nav ul li {
  width: 25%;
}

.fix-nav ul a {
  display: block;
  text-align: center;
}

.fix-nav ul i {
  display: block;
}

.fix-nav i img {
  width: 0.5rem;
}

.fix-nav a p {
  padding-top: 0.1rem;
  font: 400 0.3rem/0.3rem "微软雅黑";
  color: #fff;
}