@font-face {
    font-family: 'futianB';
    src: url('FotonType-Bold.woff2');
}
@font-face {
    font-family: 'futianL';
    src:url('FotonType-Light.woff2');
}
@font-face {
    font-family: 'futianM';
    src:url('FotonType-Medium.woff2');
}
*{
	font-family: "futianL"
}
#think_page_trace_open{
  display: none;
}
.head{
    display: flex;
    border-bottom: solid 2px #de0033;
}

.navbar {
	width: 100%;
	background: #000;
	display: flex;
	align-items: center;
	height: 80px;
	position: relative;
	z-index: 100;
}
/* Logo样式 */
.logo {
	display: flex;
	align-items: center;
	margin-left: 80px;
	margin-right: 70px;
}

.logo-img {
	width: 184px;
}

/* 主菜单样式 */
.main-menu {
	display: flex;
	list-style: none;
	flex: 1;
}

.menu-item {
	position: relative;
	padding: 0 12px;
}

.menu-item>a {
	color: #fff;
	text-decoration: none;
	font-weight: 600;
	font-size: 16px;
	padding: 25px 15px;
	display: block;
	position: relative;
	transition: all 0.3s ease;
}

.menu-item>a:hover {
	color: #de0033;
}

.menu-item > a::after {
	content: '';
	position: absolute;
	bottom: 20px;
	left: 15px;
	width: 0;
	height: 3px;
	background: #de0033;
	border-radius: 3px;
	transition: width 0.3s ease;
}

.menu-item>a:hover::after {
	width: calc(100% - 30px);
}
/* 二级菜单样式 */
.submenu {
	position: absolute;
    top: 100%;
    left: 0;
    background: #000;
    width: 160px;
    /*border-radius: 0 0 10px 10px;*/
    list-style: none;
    padding: 0px 0px;
    padding-top: 15px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-left: -16px;
}

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

.submenu li {
    padding: 0;
    text-align: center;
}


.submenu li > a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    padding: 5px 15px;
    display: inline-block;
    position: relative;
    transition: all 0.3s ease;
    text-align: center;
    padding-bottom: 25px;
}

.submenu li > a:hover {
    /*color: #de0033;*/
}

.submenu li > a::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 15px;
    width: 0;
    height: 3px;
    background: #de0033;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.submenu li > a:hover::after {
    width: calc(100% - 30px);
}


.submenu li > a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    padding: 5px 15px;
    display: inline-block;
    position: relative;
    transition: all 0.3s ease;
    text-align: center;
    padding-bottom: 25px;
}

.submenu li > a:hover {
    /*color: #de0033;*/
}

.submenu li > a::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 15px;
    width: 0;
    height: 3px;
    background: #de0033;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.submenu li > a:hover::after {
    width: calc(100% - 30px);
}
.main-menu  li ul li{
    position: relative;
    /*float: left;*/
}

.main-menu  li ul li ul {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    background: #000;
    /*border-radius: 5px 5px 5px 5px;*/
    width: 160px;
    list-style-type:none;
    padding: 0;
    padding-top: 16px;
    margin-top: -30%;
    margin-left: 0px;
    position: fixed;
    top: 48px;
    border-left: solid 1px #343434;
    min-height: 376px;
}
.main-menu>li>ul>li>ul>li>ul{
    margin-top: 0%;
    width: 160px;
    position: fixed;
    top: 0px;
}
.main-menu>li>ul>li>ul>li>ul>li{
    width: 160px;
    float: left;
}

/* 按钮区域样式 */
.nav-buttons {
	display: flex;
	margin-left: auto;
	margin-right: 80px;
}
.nav-button{
	background-color: rgba(0,0,0,0);
	border: none;
	outline: none;
	margin: 0;
	padding: 0;
	vertical-align: center;
	display: flex;
	align-items: center;
	margin-right: 10px;
	position: relative;
}
.nav-button span{
	color: #fff;
	display: inline-block;
	margin-left: 10px;
}
.nav-button4 span{
	color: #fff;
	display: inline-block;
	border: solid 1px #fff;
	border-radius: 40px;
	padding: 5px 15px;
}
.nav-button5 span{
	color: #fff;
	margin-left: 10px;
}
.nav-button a{
	display: flex;
}
.nav-button3 div{
	padding: 10px 10px;
    background-color: #000;
    position: absolute;
    top: 70px;
    width: 80px;
    left: -35px;
    text-align: center;
}
.nav-button3 div{
	display: none;
	line-height: 25px;
}
.nav-button3 div a{
	color: #fff;
    text-align: center;
    display: inline-block;
    padding-bottom: 2px;
    border-bottom: solid 1px #000;
}
.nav-button3 div a:hover{
    border-bottom: solid 1px #de0033;

}
.nav-button3{
	padding-top: 30px;
	padding-bottom: 30px;
}
.sj-nav{
	display: none;
}
.sj-nav-buttons{
	display: none;
}

.triangle {
  position: absolute;
  bottom: 0;          /* 定位到底部 */
  right: 0;           /* 定位到右侧 */
  width: 0;
  height: 0;
  
  /* 创建指向右下角的三角形 */
  border-style: solid;
  border-width: 0 0 20px 20px; /* 下边框100px, 右边框100px */
  border-color: transparent transparent #de0033 transparent; /* 只显示右下角的三角形 */
}

.info span{
	margin-right: 15px;
}


@media screen and (min-width: 1200px) and (max-width: 1400px){
/* Logo样式 */
.logo {
	display: flex;
	align-items: center;
	margin-left: 30px;
	margin-right: 10px;
}

.logo-img {
	width: 142px;
}
.nav-buttons{
	margin-right: 30px;
}

}


@media screen and (max-width: 1200px){

.sj-nav{
	display: block;
}
.main-menu {
	display: none;
}
/* Logo样式 */
.logo {
	display: flex;
	align-items: center;
	margin-left: 30px;
	margin-right: 10px;
}

.logo-img {
	width: 100px;
}
.nav-buttons{
	margin-left: 20px;
}
.nav-button{
	margin-right: 5px;
}
.nav-button span{
	margin-left: 5px;
}
.nav-button4 span{
	color: #fff;
	display: inline-block;
	border: solid 1px #fff;
	border-radius: 20px;
	padding: 3px 10px;
	font-size: 12px;
	flex-shrink: 0;
}
.navbar{
	height: 62px;
}
.hamburger-menu {
	position: absolute;
	top: 12px;
	right: 30px;
	z-index: 1001;
	cursor: pointer;
	width: 35px;
	height: 35px;
	background: rgba(255, 255, 255, 0.2);
	border-radius: 50%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	backdrop-filter: blur(5px);
	box-shadow: 0 4px 15px rgba(0,0,0,0.2);
	transition: all 0.3s ease;
}

.hamburger-menu:hover {
	background: rgba(255, 255, 255, 0.3);
	transform: scale(1.05);
}

.hamburger-menu .bar {
	width: 20px;
	height: 2px;
	background: white;
	margin: 2px 0;
	transition: all 0.3s ease;
	border-radius: 2px;
}

.nav-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.8);
	z-index: 999;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
}

.nav-overlay.active {
	/*opacity: 1;*/
	/*visibility: visible;*/
}

.nav-container {
	position: fixed;
	top: 0;
	left: -300px;
	width: 280px;
	height: 100%;
	background: #000;
	z-index: 1000;
	overflow-y: auto;
	transition: all 0.4s ease;
	box-shadow: 5px 0 15px rgba(0,0,0,0.3);
}

.nav-active {
	left: 0;
}

.nav-header {
	padding: 5px 20px;
	background: #1a252f;
	color: white;
	display: flex;
	align-items: center;
	border-bottom: 1px solid #34495e;
}

.nav-header h2 {
	font-size: 16px;
	color: #fff;
}

.close-btn {
	margin-left: auto;
	cursor: pointer;
	font-size: 1.8rem;
	color: #ecf0f1;
	transition: transform 0.3s ease;
}
.fa-solid, .fas{
	color: #fff;
}

.close-btn:hover {
	transform: rotate(90deg);
	color: #e74c3c;
}

.nav-menu {
	list-style: none;
	padding: 0;
}
.nav-menu > li{
	position: relative;
}
.nav-menu > li > a {
	display: flex;
	align-items: center;
	padding: 15px 0px 15px 20px;
	color: #ecf0f1;
	text-decoration: none;
	font-size: 1.1rem;
	border-bottom: 1px solid #34495e;
	transition: all 0.2s;
	margin-right: 40px;
}

.nav-menu > li > a:hover {
	background: #34495e;
	padding-left: 25px;
}

.nav-menu > li > a > i {
	margin-right: 12px;
	font-size: 1.2rem;
	width: 20px;
	text-align: center;
}

.submenu-toggle {
	margin-left: auto;
	font-size: 1.2rem;
	cursor: pointer;
	width: 24px;
	height: 24px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(255,255,255,0.2);
	transition: all 0.3s;
	color: #fff;
	position: absolute;
	right: 5px;
	top: 15px;
}

.submenu-toggle:hover {
	background: rgba(255,255,255,0.1);
	color: #fff;
}

.submenu1 {
	list-style: none;
	padding-left: 30px;
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.4s ease;
	background: #1b1b1b;
}

.nav-active {
	max-height: 2000px;
}
.submenu1 li{
	position: relative;
}
.submenu1 li a {
	display: block;
	padding: 12px 0px 12px 20px;
	color: #bdc3c7;
	text-decoration: none;
	font-size: 1rem;
	border-bottom: 1px solid #2c3e50;
	position: relative;
	transition: all 0.2s;
	margin-right: 40px;
}

.submenu1 li a:hover {
	background: #2c3e50;
	color: white;
	padding-left: 25px;
}


.content {
	background: rgba(255, 255, 255, 0.9);
	border-radius: 15px;
	padding: 30px;
	margin-top: 30px;
	box-shadow: 0 10px 30px rgba(0,0,0,0.15);
	width: 100%;
}

.content h2 {
	color: #2c3e50;
	margin-bottom: 20px;
	padding-bottom: 10px;
	border-bottom: 2px solid #3498db;
}

.content p {
	line-height: 1.7;
	margin-bottom: 15px;
	color: #34495e;
}

.features {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
	margin-top: 30px;
}

.feature-card {
	background: white;
	border-radius: 10px;
	padding: 20px;
	flex: 1;
	min-width: 200px;
	box-shadow: 0 5px 15px rgba(0,0,0,0.08);
	transition: transform 0.3s;
}

.feature-card:hover {
	transform: translateY(-5px);
}

.feature-card i {
	font-size: 2.5rem;
	color: #3498db;
	margin-bottom: 15px;
}

.feature-card h3 {
	color: #2c3e50;
	margin-bottom: 10px;
}


}



@media screen and (max-width: 1024px){
	.logo{
		margin-left: 10px;
	}
	.hamburger-menu{
		right: 10px;
	}
	.nav-button img{
		width: 15px;
	}
	.nav-buttons{
		margin-left: 10px;
	}
	.nav-button4{
		padding-right: 5px;
	}
	.nav-button4 span{
		font-size: 0.5rem;
		border: solid 0.6px #fff;
		padding: 3px 7px;
	}
}


@media screen and (max-width: 768px){
	.logo-img{
		width: 100%;
	}
	.logo{
		width: 25%;
		margin-left: 10px;
	}
	.hamburger-menu{
		right: 10px;
	}
	.nav-button img{
		width: 15px;
		height: 13px;
	}
	.nav-buttons{
		margin-left: 10px;
	}
	.nav-button4{
		padding-right: 5px;
	}
	.nav-button4 span{
		font-size: 0.5rem;
		border: solid 0.6px #fff;
		padding: 3px 7px;
	}
	.sj-nav-buttons{
		display: block;
	}
	.pc-nav-buttons{
		display: none;
	}
}