.header {
  width: 901px;
  margin: 0 auto;
  padding: 12px 0;
}

.header h1 img {
  width: 100px;
  height: 30px;
}

.header .button {
  width: 104px;
  right: 0;
}

.slide {
  background-image: url('slide-pc.jpg');
  background-size: 1453px 400px;
  padding-top: 400px;
}

.slide .button {
  left: 82px;
  top: 228px;
  width: 160px;
  height: 50px;
}

.section-title {
  font-size: 32px;
  margin-top: 60px;
  padding-bottom: 26px;
}

.section-description {
  margin-top: -6px;
  padding-bottom: 26px;
  font-size: 20px;
}

.section-split::after {
  width: 40px;
  height: 6px;
  border-radius: 3px;
  margin-left: -20px;
}

.xhs {
  width: 200px;
  height: 120px;
}

.why {
  padding-top: 40px;
  flex-wrap: nowrap;
  width: 900px;
  margin: 0 auto;
}

.why .item {
  width: 133px;
}

.why .item img {
  width: 133px;
  height: 133px;
}

.why .item p {
  font-size: 16px;
  padding: 20px 0 60px;
}

.brand-list {
  width: 900px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 0 auto;
  padding-bottom: 40px;
}

.brand-item {
  width: 440px;
  padding: 0;
  margin-top: 40px;
}

.brand-title {
  font-size: 20px;
}

.brand-title::before {
  height: 20px;
}

.about-liuxiang {
  width: 946px;
  margin: 0 auto;
  padding: 0;
}

.more-about .item {
  width: 250px;
}

.more-about .title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
}

.more-about .content {
  text-align: center;
  font-size: 16px;
}

.more-about .item:nth-child(1) {
  margin-top: -90px;
  transform: translateX(30px);
}

.more-about .item:nth-child(2) {
  margin-top: 10px;
}

.more-about .item:nth-child(3) {
  margin-top: -90px;
  transform: translateX(-30px);
}

.about-ads h4 {
  font-size: 32px;
  margin-top: 60px;
}

.about-ads .description {
  font-size: 16px;
  margin-top: 20px;
  color: #5c5c5c;
}

.about-ads .imgs {
  width: 900px;
  flex-wrap: nowrap;
  margin: 0 auto;
}

.about-ads .imgs img {
  width: 210px;
  height: 400px;
}

.about-ads .highlight {
  font-size: 20px;
  height: 60px;
  line-height: 60px;
  width: 900px;
  margin: 0 auto;
}

.about-ads .sub-note {
  font-size: 12px;
  width: 900px;
  margin: 8px auto 0;
  text-align: right;
}

.about-ads .brand-list {
  padding: 0;
  width: 900px;
  margin: 40px auto 0;
}

.about-ads .brand-list .item {
  width: 286px;
}

.about-ads .brand-list .img {
  height: 120px;
}

.about-ads .brand-list img {
  height: 80px;
}

.about-ads .brand-list .name {
  font-size: 16px;
  margin: 20px 0 12px;
}

.about-ads .brand-list .label {
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 4px;
  margin-bottom: 40px;
}

.contact {
  overflow: hidden;
  display: flex;
  width: 900px;
  margin: 0 auto;
  padding-bottom: 60px;
}

.contact .info {
  width: 475px;
}

.contact form {
  flex: 1;
}

.contact .title {
  font-size: 32px;
}

.contact .description {
  font-size: 16px;
}

.contact .tel {
  font-size: 40px;
}

.contact .tel img {
  width: 32px;
  height: 32px;
}

.contact .tel-description {
  font-size: 16px;
}

.ec-form {
  padding-right: 26px;
}

.copyright .inner {
  width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.copyright img {
  margin: 0;
  width: 100px;
  height: 30px;
}