:root {
  --c-white: #fff;
  --c-white-soft: #f8f8f8;
  --c-white-light: #e6e6e6;
  --c-black-deep: #000;
  --c-black: #222;
  --c-black-soft: #666;
  --c-black-light: #999;
  --c-gray-light: #ccc;
  --c-primary: #0087E8;
  --c-blue-deep: #03548D;
  --c-gray-bg: #F0f0f5;
  --c-gray-bg-soft: #f2f2f7;
  --c-red: #B71D1C;
  --c-input-border: #D0D0D9;
  --c-default: #e9edf0;
  --c-primary-hover: #036CB7;
}

/* 自定义字体 */
@font-face {
  font-family: "Montserrat"; 
  src: url("../fonts/montserrat/Montserrat-Regular.ttf") format("truetype");
  font-display: swap; 
}

@font-face {
  font-family: "Montserrat-Bold"; 
  src: url("../fonts/montserrat/Montserrat-Bold.ttf") format("truetype");
  font-display: swap; 
}

@font-face {
  font-family: "Montserrat-Light"; 
  src: url("../fonts/montserrat/Montserrat-Light.ttf") format("truetype");
  font-display: swap; 
}

@font-face {
  font-family: "Montserrat-SemiBold"; 
  src: url("../fonts/montserrat/Montserrat-SemiBold.ttf") format("truetype");
  font-display: swap; 
}

@font-face {
  font-family: "Montserrat-Medium"; 
  src: url("../fonts/montserrat/Montserrat-Medium.ttf") format("truetype");
  font-display: swap; 
}

@font-face {
  font-family: "Inter"; 
  src: url("../fonts/inter/Inter_18pt-Regular.ttf") format("truetype");
  font-display: swap; 
}

@font-face {
  font-family: "Inter-Medium"; 
  src: url("../fonts/inter/Inter_18pt-Medium.ttf") format("truetype");
  font-display: swap; 
}

@font-face {
  font-family: "Inter-SemiBold"; 
  src: url("../fonts/inter/Inter_18pt-SemiBold.ttf") format("truetype");
  font-display: swap; 
}

html{
	font-size: 62.5%;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Montserrat','Arial', sans-serif;
	font-size: 16px;
	color: var(--c-black);
}

body {
	overflow-x: hidden;
	background: var(--c-white);
}

/* 页面不可滚动样式 */
body.no-scroll {
	overflow-y: hidden;
}

ul{
	list-style: none;
}

a{
	text-decoration: none;
}

h1, h2, h3, h4, h5{
	font-weight: normal;
}

input:focus-visible, textarea:focus-visible{
	outline: none;
}

h1{
	font-family: "Montserrat-SemiBold";
	font-size: 48px;
}

h2{
	font-family: "Montserrat-SemiBold";
	font-size: 24px;
}

.small-txt{
	font-family: 'Inter';
	font-size: 16px;
	color: var(--c-black-soft);
}

.mt-20{
	margin-top: 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
	height: 72px;
    z-index: 999;
    padding: 0 80px;
	/* backdrop-filter: blur(12px); */
	/* background: rgba(255, 255, 255, 0.1); */
	background: linear-gradient(180deg, rgba(1, 26, 45, 0.60) 0%, rgba(1, 26, 45, 0.00) 98.44%);
	backdrop-filter: blur(3px);
	display: flex;
	align-items: center; 
	justify-content: space-between;
}

.navbar-logo{
	width: 200px;
	height: 45px;
	cursor: pointer;
}

.navbar-logo img{
	width: 100%;
	height: 100%;
	filter: drop-shadow(0px 4px 12px rgba(0,0,0,0.15)); /* 添加阴影效果 */
}

.navbar-box {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 60px;
	align-items: center;
	justify-content: end;
}

.navbar-item {
    position: relative;
	cursor: pointer;
}

.navbar-item .nav-link{
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	padding-right: 16px;
	height: 72px;
	border-bottom: 3px solid transparent;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.navbar-item .nav-link.icon-down::after{
	content: '';
	position: absolute;
	top: calc(50% - 4px);
	right: 0;
	width: 12px;
	height: 8px;
	background-image: url(../../assets/svg/icon_down_white.svg);
	background-repeat: no-repeat;
	background-size: 100%;
	transition: all 0.3s ease;
}

.navbar-item:nth-of-type(1) .nav-link.icon-down::after{
	right: 5px;
}

.navbar-item:nth-of-type(2) .nav-link.icon-down::after{
	right: -3px;
}

.navbar-item:hover .nav-link, .navbar-item.active .nav-link{
	border-bottom: 3px solid var(--c-primary);
}

.navbar-item:hover .nav-link.icon-down::after{
	transform: rotate(180deg);
}

.scrollnavbar{
	background: var(--c-white);
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.scrollnavbar .navbar-logo img{
	filter: none;
}

.scrollnavbar .navbar-item .nav-link.icon-down::after{
	background-image: url(../../assets/svg/icon_down_deep.svg);
}

.scrollnavbar .menu-toggle, .scrollnavbar .navbar-item .nav-link{
	color: var(--c-black);
}

.scrollnavbar .navbar-item.active .nav-link{
	color: var(--c-primary);
}

.scrollnavbar .navbar-item.active .nav-link.icon-down::after{
	background-image: url(../../assets/svg/icon_down_primary.svg);
}

/* 二级下拉菜单 */
.dropdown {
    position: absolute;
    top: 84px;
    left: -160px;
    background-color:var(--c-white);
    width: 400px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
    padding: 30px;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.dropdown-item {
	position: relative;
	display: block;
    padding: 20px 0;
	cursor: pointer;
}

.dropdown-item::after{
	content: '';
	position: absolute;
	right: 0;
	top: 25px;
	width: 13px;
	height: 10px;
	background-image: url(../../assets/svg/icon_arrow_black.svg);
	background-repeat: no-repeat;
	background-size: 100%;
}

.navbar-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item:hover, .dropdown-item.active{
	color: var(--c-primary);
}

.dropdown-item:hover::after,
.dropdown-item.active::after{
	background-image: url(../../assets/svg/icon_arrow_primary.svg);
}

/* 移动端菜单 */
.menu-toggle {
	display: none;
	font-size: 34px;
	color: var(--c-white);
	cursor: pointer;
}

.menu-nav {
	position: fixed;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 1001;
	display: none;
	background-color: var(--c-white-light);
	overflow-y: auto;
}

.menu-nav.active {
	display: block;
}

.menu-nav .menu-head{
	position: fixed;
	top: 0;
	left: 0;
	z-index: 1002;
	width: 100%;
	height: 72px;
	padding: 0 20px;
	background: var(--c-white);
	display: flex;
	align-items: center;
	justify-content: space-between;
	box-shadow: -2px 0 5px rgba(0,0,0,0.1);
}

.menu-nav .menu-logo{
	width: 132px;
	height: 30px;
}

.menu-nav .close-btn {
	font-size: 30px;
	cursor: pointer;
}

.menu-nav .menu-content{
	position: relative;
}

.menu-nav .menu-item-title{
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-size: 18px;
	padding: 24px 30px;
	border-bottom: 1px solid var(--c-gray-light);
	cursor: pointer;
}

.menu-nav .menu-item-title .icon-down-gray{
	width: 12px;
	height: 6px;
	transition: all 0.3s ease;
}

.menu-item-title.active{
	background-color: var(--c-white);
}

.menu-item-title.active .icon-down-gray{
	transform: rotate(180deg);
}

.menu-item-title.active + .menu-item-dropdown{
	max-height: 350px;
	opacity: 1;
	visibility: visible;
	padding: 20px 40px;
}

.menu-nav .menu-item-dropdown{
	max-height: 0; /* 过渡到高度 0 */
	opacity: 0;
	visibility: hidden;
	overflow: hidden; /* 防止内容溢出 */
	padding: 0;
	background: var(--c-white);
	transition: all 0.3s ease;
}

.menu-item-dropdown .dropdown-item{
	padding: 20px 0;
}

.main-container{
	width: 100%;
	margin-top: 72px;
}


/* footer */
.footer {
	background-color: var(--c-blue-deep);
	padding: 80px 80px 64px 80px;
}

.footer-grid {
	display: grid;
	grid-template-columns: 3fr 2fr 2fr 2fr 2fr;
	gap: 40px;
	margin-bottom: 80px;
}

.footer-column{
	margin-top: 12px;
}

.footer-column:first-child{
	margin-top: 0;
}

.footer-column .footer-logo{
	width: 220px;
	height: 45px;
}

.footer-column img{
	width: 100%;
	height: 100%;
}

.footer-column .footer-icon{
	display: flex;
	justify-content: left;
	align-items: center;
	margin-top: 48px;
}
.footer-column .footer-icon .icon-a{
	width: 24px;
	height: 24px;
	margin-left: 30px;
}

.footer-column .footer-icon .icon-a:first-child{
	margin-left: 0;
}

.footer-column h3 {
	color: var(--c-white);
	text-transform: uppercase;
	letter-spacing: 1px;
	margin-bottom: 32px;
}

.footer-column ul li {
	margin-bottom: 16px;
}

.footer-column ul  li a {
	font-size: 14px;
	font-family: 'Inter';
	color: var(--c-white-light);
}

.footer-column ul  li a:hover{
	text-decoration: underline;
	color: var(--c-white);
}

.footer-bottom {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: 20px;
	padding-top: 24px;
	border-top: 1px solid rgba(255,255,255,0.3);
}

.footer-bottom p{
	font-family: 'Inter';
	font-size: 12px;
	color: var(--c-white-light);
}

.footer-bottom p:last-child{
	text-align: right;
}

.order-ul-block{
	padding: 100px 20px;
}

.order-ul-grid{
	position: relative;
	z-index: 10;
	display: grid;
	grid-template-columns: 5fr 6fr;
	gap: 20px;
}

.order-ul-grid-item{
	padding-left: 40px;
	background: rgba(240,240,245,0.8);
	backdrop-filter: blur(11px);
}

.order-ul-grid-item ul{
	margin-top: 80px;
}

.order-ul-grid-item ul li{
	padding-top: 30px;
	display: flex;
}

.order-ul-grid-item ul .cont{
	flex: 1;
	padding-bottom: 30px;
	border-bottom: 1px solid var(--c-gray-light);
}

.order-ul-grid-item li label{
	font-family: 'Montserrat-Light';
	font-size: 72px;
	color: var(--c-black-light);
	margin-right: 20px;
	line-height: 0.8;
}

.order-ul-grid-item li h5{
	font-family: 'Montserrat-SemiBold';
	font-size: 24px;
}

.order-ul-grid-item li p{
	font-family: 'Inter';
	color: var(--c-black-soft);
	margin-top: 16px;
}

@media (max-width: 1280px) {
	.navbar {
		padding: 0 40px;
	}
	
	.navbar-box {
		gap: 20px;
	}
    
}
@media (max-width: 992px) {
	.navbar {
		padding: 0 20px;
	}
	
	.navbar-box {
	    display: none;
	}
	
	.menu-toggle {
	    display: inline-block;
	}
	
	.footer{
		padding: 80px 20px 64px 20px;
	}
	
    .footer-grid{
    	grid-template-columns: 1fr;
		gap: 80px;
    }
	
	.footer-column{
		margin-top: 0;
	}
}

@media (max-width: 768px) {
	.footer-bottom {
		grid-template-columns: 1fr;
	}
	
	.footer-bottom p:last-child{
		text-align: left;
	}
}

@media (max-width: 420px) {
    .navbar-logo{
    	width: 132px;
    	height: 30px;
    }
}