* {
  margin: 0;
  padding: 0;
  list-style: none;
  box-sizing: border-box;
}

body {
  width: 100%;
  background: #ffffff;
  font-family: Montserrat, Montserrat;
  font-weight: 400;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 92px;
}

a,
span {
  display: inline-block;
}

.header-active .polygon .img1 {
  display: none;
}

.header-active .polygon .img2 {
  display: block;
}

/* header */
header {
  width: 100%;
  height: 100px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999999;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.63);
}
header .container {
  width: 86%;
}

.header-active {
  background-color: #fff;
  font-weight: bold;
}

header nav {
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 9999999;
}
header nav .logo h1 {
  display: flex;
  align-items: center;
}
header nav .logo h1 img {
  width: 60px;
  height: 60px;
}

header nav .logo {
  height: 60px;
}

header nav .logo a {
  font-family: Inter, Inter;
  font-weight: 500;
  font-size: 22px;
  color: #222222;
  text-align: left;
  font-style: normal;
  text-transform: none;
  text-decoration: none;
  margin-left: 20px;
  margin-right: 15px;
  display: flex;
  align-items: center;
}

header nav .logo a img {
  width: 60px;
  height: 60px;
  margin-right: 20px;
}

header nav .nav-links {
  display: flex;
  justify-content: space-around;
  align-items: center;
  /* flex: 1; */
  /* padding: 0 50px; */
  box-sizing: border-box;
}

header nav .nav-links li {
  margin-right: 28px;
}

header nav .nav-links li a {
  font-family: Inter, Inter;
  font-weight: 500;
  font-size: 18px;
  color: #666666;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: none;
  text-decoration: none;
  position: relative;
}

header nav .nav-links a.active {
  /* font-size: 22px; */
  color: #222222;
}
header nav .nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  border-radius: 6px;
  height: 6px;
  background-color: #222222;
}
header .down {
  display: flex;
  align-items: center;
}
header .down img {
  width: 146px;
  height: 44px;
}
header .down img:first-child {
  margin-right: 20px;
}
#Footer {
  width: 100%;
  display: flex;
  background-color: #222222;
  flex-direction: column;
  align-items: center;
  padding: 30px 0;
  position: fixed;
  bottom: 0;
  left: 0;
}
#Footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
#Footer .container p {
  font-family: SF Pro Text, SF Pro Text;
  font-weight: 500;
  font-size: 22px;
  color: #ffffff;
  text-align: center;
  font-style: normal;
  text-transform: none;
  margin-bottom: 30px;
}
#Footer .container p:last-child {
  margin-bottom: 0;
}
#backTop {
  width: 32px;
  height: 32px;
  position: fixed;
  bottom: 80px;
  right: 80px;
  z-index: 999;
  cursor: pointer;
  opacity: 0.6;
}

#backTop:hover {
  opacity: 1;
}

#backTop img {
  width: 100%;
  height: 100%;
}