* {
  padding: 0;
  margin: 0;
  border: 0;
  list-style: none;
  box-sizing: border-box;
}
body {
  min-width: 1200px;
  background-color: #ffffff;
  font-family: 'SourceHanSansCN-Regular';
  font-size: 14px;
  line-height: 180%;
}
input,
textarea {
  font-family: 'SourceHanSansCN-Regular';
}
input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
  color: #9fa0a0;
}
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
  color: #9fa0a0;
}
label[for] {
  cursor: pointer;
}
a {
  color: #000000;
  text-decoration: none;
}
a:active,
a:hover {
  outline: 0;
  text-decoration: none;
}
textarea {
  resize: none;
}
input {
  outline: 0;
}
input[type=button] {
  -webkit-appearance: none;
}
img {
  /* css 缩小图片后，图片变模糊的解决办法 */
  image-rendering: -moz-crisp-edges;
  image-rendering: -o-crisp-edges;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: nearest-neighbor;
}
.m-mainBox {
  position: relative;
  min-width: 1200px;
  margin: 0 auto;
}
.m-mainBox img {
  display: block;
  width: 100%;
  height: auto;
}
.g-layout-header .f-pl {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  right: 0;
  height: 13%;
  padding-right: 10%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.g-layout-header .f-pl a {
  display: block;
  width: 13%;
  height: 100%;
  margin-left: 1.7%;
}
.f-footer {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  padding-bottom: 10%;
  padding-right: 3%;
  display: flex;
  align-items: center;
  justify-content: center;
  grid-gap: 3%;
}
.f-footer a {
  display: block;
  width: 9%;
  height: 100px;
}
.f-product-nav {
  position: absolute;
  z-index: 2;
  top: 25%;
  width: 100%;
  height: 42%;
  min-width: 1200px;
  margin: 0 auto;
  padding: 0 4.2%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2%;
}
.f-product-nav a {
  display: block;
  width: 32%;
  height: 100%;
}