/* 重置css元素 */
html,
body,
div,
header,
footer,
main,
p,
img,
h1,
h2,
ul,
li,
ol {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

li {
  list-style-type: none;
}

a {
  text-decoration: none;
  cursor: pointer;
}

html {
  font-size: 0.625vw;
  /* font-family: "Quicksand", sans-serif; */
  font-family: "DM Sans", sans-serif;
}

html,
body {
  width: 100%;
  background-color: white;
  scroll-behavior: smooth;
}

header {
  height: 7.5rem;
  /* height: 90px; */
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header a {
  font-weight: 500;
  font-size: 1.667rem;
  color: #1c1c1e;
}
header .logo {
  font-weight: bold;
  font-size: 2.667rem;
  margin-left: 11.67rem;
}
header ul {
  font-size: 2.667rem;
  margin-right: 11.667rem;
  display: flex;
}
header ul li + li {
  margin-left: 3.667rem;
}
main .background {
  max-width: 100%;
}
main > .title {
  text-align: center;
  color: #1a191e;
  font-weight: 500;
  font-size: 2rem;
  margin-top: 4rem;
}
main .content {
  width: 100%;
  display: flex;
  flex-direction: column;
  color: rgba(26, 25, 30, 0.5);
  font-weight: 500;
  font-size: 1.667rem;
  /* justify-content: center; */
}
main > .content p {
  text-align: center;
}
main > .content .title {
  font-weight: 500;
  font-size: 6.667rem;
  color: #1a191e;
  line-height: 1.1;
}
main > .content .title3 {
  margin-top: 2rem;
}
main .contact {
  display: flex;
  align-items: stretch;
  width: 100%;
  justify-content: center;
  margin-top: 18.333rem;
  margin-bottom: 13.333rem;
}
main .contact .left {
  margin-right: 11.667rem;
  width: 50rem;
  flex: none;
}
main .contact .right {
  width: 51.667rem;
  flex: none;
}
main .contact .left .bottom {
  font-size: 0;
  margin-top: 1.333rem;
}
main .contact .img1 {
  width: 50rem;
}
main .contact .img2 {
  width: 24.33rem;
  margin-right: 1.333rem;
}
main .contact .img3 {
  width: 24.33rem;
}
main .right {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

main .right h2 {
  font-weight: 500;
  font-size: 5.333rem;
  margin-bottom: 4rem;
}
main .right .item {
  display: flex;
  align-items: center;
  margin-bottom: 3.042rem;
}
main .right .item .content {
  margin-left: 2rem;
}
main .right .item .content p {
  color: rgba(26, 25, 30, 1);
  font-weight: 500;
  font-size: 1.833rem;
  margin-bottom: 8px;
}
main .right .item .content span {
  font-weight: 500;
  font-size: 1.417rem;
}
footer {
  height: 19.5rem;
  background: rgba(28, 28, 30, 1);
  color: white;
  padding: 6.667rem 13.333rem 0;
}
footer a {
  color: white;
  font-size: 1.667rem;
}
footer .top {
  display: flex;
  justify-content: space-between;
}
footer .top .logo {
  font-weight: bold;
  font-size: 2.667rem;
}
footer .top ul {
  display: flex;
  align-items: center;
}
footer .top li a {
  color: rgba(255, 255, 255, 0.8);
}
footer .top .home {
  margin-right: 16.667rem;
}
footer .bottom {
  text-align: right;
  margin-top: 3rem;
  color: rgba(255, 255, 255, 0.5);
}
