:root {
    --bg-color: #f5f5f7;
    --text-color: #1d1d1f;
    --hover-color: #86868b;
    --nav-height: 44px;
    --max-width: 980px;
    font-family: "SF Pro SC","SF Pro Display","SF Pro Icons","PingFang SC","Helvetica Neue","Helvetica","Arial",sans-serif;微软雅黑
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    background-color: #ffffff;
	margin-top: 0px;
	margin-bottom: 0px;
	margin-left: 0px;
	margin-right: 0px;

    font-family: "微软雅黑";
	font-size: 11pt;
	color: #111;
    font-weight: 300;

	line-height: 18pt;
}

a:link {
	color: #000000;
	text-decoration: none;
}
a:visited {
	text-decoration: none;
	color: #000000;
}
a:hover {
	text-decoration: none;
	color:#090;
}
a:active {
	text-decoration: none;
	color:#060;
}

/* 导航栏样式 */
.nav {
    background-color: #f5f5f7;
    height: var(--nav-height);
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 9999;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 22px;
}

.nav-logo img {
    height: 30px;
    vertical-align: middle;
    transition: opacity 0.3s;
}

.nav-logo:hover img {
    opacity: 0.8;
}
.nav-menu {
    display: flex;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: #1d1d1f;
    text-decoration: none;
    font-size: 14px;
    padding: 0 15px;
    opacity: 0.8;
    transition: all 0.3s;
    display: inline-block;
    height: var(--nav-height);
    line-height: var(--nav-height);
}

.nav-link:hover {
    opacity: 1;
    color: #000000;
}

/* 二级菜单 */
.submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #ffffff;
    border-radius: 12px;
    padding: 12px 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-item:hover .submenu {
    opacity: 1;
    visibility: visible;
}

.submenu-item {
    padding: 6px 24px;
}

.submenu-link {
    color: #1d1d1f;
    text-decoration: none;
    font-size: 12px;
    opacity: 0.8;
    transition: all 0.3s;
    display: block;
    padding: 6px 20px;
}

.submenu-link:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.05);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    cursor: pointer;
    width: 24px;
    height: 24px;
    position: relative;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #1d1d1f;
    position: absolute;
    left: 0;
    transition: all 0.3s;
}

.hamburger span:nth-child(1) {
    top: 6px;
}

.hamburger span:nth-child(2) {
    top: 12px;
}

.hamburger span:nth-child(3) {
    top: 18px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 80%;
        height: calc(100vh - var(--nav-height));
        background-color: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        transition: left 0.3s;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        width: 100%;
        margin-bottom: 15px;
    }

    .nav-link {
        padding: 10px 0;
        display: block;
        height: auto;
        line-height: 1.5;
        color: #1d1d1f;
    }

    .submenu {
        position: static;
        transform: none;
        background-color: transparent;
        padding: 0;
        opacity: 1;
        visibility: visible;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
    }

    .nav-item:hover .submenu {
        max-height: 500px;
    }

    .submenu-item {
        padding: 8px 0 8px 20px;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg);
        top: 12px;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg);
        top: 12px;
    }
}

/* Banner区域 */
.banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-bottom: 40px;
}

.banner-image {
    width: 100%;
    height: auto;
    display: block;
}

.banner-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20px;
}

.banner-text {
    max-width: 800px;
    text-align: center;
    padding: 40px;
    color: #fff;
    margin-top: 20px;
}

.banner-text {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.banner-logo {
    margin-bottom: 15px;
    width: 25%;
    height: auto;
}

.banner-text h1 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 500;
    text-align: center;
}
}

/* 响应式设计 */
@media (max-width: 768px) {
    .banner-text {
        padding: 20px;
        margin: 20px;
    }
    
    .banner-logo {
        margin-bottom: 10px;
        width: 25%;
        height: auto;
    }
    
    .banner-text h1 {
        font-size: 28px;
    }
    
    .banner-text p {
        font-size: 16px;
    }
}


.BottomFont {color: #999999;
font-size:9pt;
}




#divtext1  {
	-vendor-animation-duration: 1s;
	-vendor-animation-delay: 1s;

	-webkit-animation-duration: 1s;
	-webkit-animation-delay: 1s;

	-moz-animation-duration: 1s;
	-moz-animation-delay: 1s;

	-etc-animation-duration: 1s;
	-etc-animation-delay: 1s;
	display: block;
	
}
#beikonglogo {
	-vendor-animation-duration: 1s;
	-vendor-animation-delay: 1s;

	-webkit-animation-duration: 1s;
	-webkit-animation-delay: 1s;

	-moz-animation-duration: 1s;
	-moz-animation-delay: 1s;

	-etc-animation-duration: 1s;
	-etc-animation-delay: 1s;
		display: block;

	
}