:root {
  --theme: #02509B;
  ---box-shadow: 0px 0px 60px 0px rgba(4, 23, 26, 0.08);
  --titlecolor: #02509B;
  --white: #fff;
  --bgcolor: #02509B;
  --changeBtn: #E49F20;
}
/* 产品中心系列 start*/
.auto_grid {
    margin: 0 10%;
}
/* 当屏幕宽度小于600px时使用 */
@media screen and (max-width: 600px) {
    .auto_grid {
        margin: 0;
    }
}
.main_service_item {
    padding: 30px 30px;
    text-align: center;
    transition: .5s;
    background-color: var(--white);
    margin-bottom: 15px;
    box-shadow: 0px 1px 30px 0px rgba(0, 0, 0, 0.1);
    margin-top: 100px;
}
.main_service_item:hover{
    background-color: var(--bgcolor);
    color: var(--white);
}
.single_service >i {
    background-color: var(--bgcolor);
    font-size: 45px;
    width: 120px;
    height: 120px;
    line-height: 120px;
    color: var(--white);
    display: inline-block;
    text-align: center;
    border-radius: 100%;
    transition: .5s;
    transform: translate(0, -75%);
    box-shadow: 0px 1px 30px 0px rgba(0, 0, 0, 0.1);
}
.main_service_item:hover .single_service >i{
    background-color: var(--white);
    color: var(--bgcolor);
}
.service_area {
    padding: 130px 0 180px;
    margin-top: 75px;
}
.inner_service {
    margin-bottom: 50px;
}
/* section title */
.section_title {
    text-align: center;
    position: relative;
    margin-bottom: 110px;
}
.section_title h4 {
    color: var(--theme);
    font-size: 16px;
    margin-bottom: 5px;
}
.section_title h2{
    font-size: 52px;
}
.dn_title h2{
    color: var(--theme);
}
.section_title h3{
    font-size: 52px;
    color: var(--theme);
}
.dn_title h3{
    color: var(--theme);
}
.single_service {
  min-height: 160px;
}
.single_service h3 {
  margin: -50px 0 10px;
  transition: .5s;
  font-size: 16px;
  font-weight: 600;
}
.main_service_item:hover .single_service h3 a{
    color: var(--white);
}
.single_service p {
    margin-bottom: 20px;
    transition: .5s;
    /* min-height: 50px; */
}
.main_service_item:hover .single_service p{
    color: var(--white);
}
.main_service_item:hover .service_btn a{
    color: var(--white);
}
.service_btn a{
    font-size: 25px;
    transition: .5s;
    color: var(--bgcolor);
}
/* 产品中心系列 end*/


/* 产品中心列表start */
.menu-section h2, .h2 {
  font-weight: 600;
  font-size: 30px;
}
.menu-section .order-1{
  box-shadow: 0px 10px 30px -10px rgba(0, 0, 0, .15);
}
.menu-section .align-items-center {
  margin: 30px 5%;
}
.menu-section .mb-32 {
  margin-bottom: 32px;
}
.menu-section .white {
  color: #343a40;
}
.menu-section .menu-box{
  background-color: rgba(0, 0, 0, 0.06);
  position: relative;
  align-items: center;
  display: flex;
  gap: clamp(18px, 1.25vw, 48px) !important;
  padding: clamp(50px, 8.646vw, 68px) 0 clamp(50px, 8.646vw, 68px) clamp(18px, 1.667vw, 64px);
  background-image: url(../image/menu-1.png);
  background-repeat: no-repeat;
  background-position: top right;
  background-size: contain;
  min-height: 400px;
}
.menu-section .cus-btn {
  border-radius: clamp(8px, 0.625vw, 24px);
  background-color: var(--theme);
  color: #FAFAFA;
  font-family: "Bumper Sticker DEMO", sans-serif;
  padding: 8px 20px;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  transition: color 0.5s;
  z-index: 1;
  font-weight: 600;
  text-transform: uppercase;
  display: inline-flex;
}
/* .theme-btn {
  background-color: var(--changeBtn) !important;
  color: var(--white) !important;
} */
.theme-btn::before {
  background-color: var(--changeBtn) !important;
}
.theme-btn::after {
  background-color: var(--changeBtn) !important;
}
/* .menu-section .bg-medium-black {
    background: #1E1F20 !important;
} */
/* 产品列表 end */