* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            overflow-x: hidden;
            margin: 0 auto;
        }
        /* 顶部导航 */
        .header {
            position: relative;
            background: rgba(255, 255, 255, 0.95);
            z-index: 1000;
            width: 100%;
            margin: 0 auto;
        }
        .header-content {
            margin: 0 auto;
            padding: 44px 0 21px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            width: 201px;
            height: auto;
            margin-left: 3.1%;
        }

        .header-right {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            margin-bottom: 25px;
            width: 100%;
        }
        
        .lang-switch {
            display: flex;
            align-items: center;
        }
        
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 3%;
            border-bottom: 1px solid #BEBEBE;
        }
        #searchdata{
            width: 122px;border: none; padding: 5px 0; outline: none; background: transparent;
        }
        
        .search-icon {
            width: 20px;
            height: 20px;
            cursor: pointer;
        }

        .lang-icon {
            width: 20px;
            height: 20px;
            margin-right: -7px;
        }

        .lang-switch a {
            text-decoration: none;
            font-size: 16px;
            margin-left: 17px;
            transition: color 0.3s;
        }

        .lang-switch a.active {
            color: #00479d;
            text-shadow: .5px .5px 0px rgb(0 71 157 / 60%);
        }

        .lang-switch a:not(.active) {
            color: #a0a0a0;
        }

        .lang-switch a:hover {
            color: #00479d;
        }

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

        .main-menu li {
            position: relative;
            margin-left: 30px;
        }

        .main-menu li:first-child {
            margin-left: 0;
        }

        .main-menu li a {
            text-decoration: none;
            color: #00479d;
            font-size: 19px;
            padding: 10px 6px;
            display: block;
            transition: color 0.3s;
            text-shadow: .5px .5px 0px rgb(0 71 157 / 60%);
        }
        .en-menu li a {
            text-shadow: none;
        }

        .main-menu li a:hover {
            color: #00479d;
        }

        /* 子菜单 */
        .sub-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background: white;
            list-style: none;
            padding: 10px 0;
            min-width: calc(120 / 1920 * 100vw);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
        }
        .en-menu .sub-menu{
            min-width: calc(178 / 1920 * 100vw);
        }

        .main-menu li:hover .sub-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .main-menu .sub-menu li {
            margin: 0;
            padding: 0;
        }

        .sub-menu li a {
            padding: 12px 20px;
            font-size: 16px;
            color: #465981;
            text-shadow: none;
            transition: all 0.3s ease;
        }

        .sub-menu li a:hover {
            background: #f5f5f5;
            color: #0067e5;
            transition: all 0.3s ease;
        }
        .main-menu li:last-child .sub-menu{
            left: calc(-30.24 / 1920 * 100vw);
        }
        .en-menu li:last-child .sub-menu{
            left: calc(-55.24 / 1920 * 100vw);
        }

        /* 底部区域 */
        .footer {
            background: #ffffff;
            padding: 20px;
        }
        
        .footer-content {
            margin: 0 auto;
        }
        
        .footer-info {
            text-align: left;
        }
        
        .footer-info p {
            font-size: 14px;
            line-height: 2;
            color: #333333;
        }
        
        .footer-info a {
            color: #333333;
            text-decoration: none;
        }
        
        .footer-info a:hover {
            text-decoration: underline;
        }
        
        .footer-menu {
            margin-top: 15px;
            display: grid;
            grid-template-columns: repeat(8, 1fr);
            gap: 0;
        }
        
        .footer-menu a {
            color: #333333;
            text-decoration: none;
            padding: 8px 5px;
            font-size: 14px;
            text-align: center;
            border-left: none;
            border-right: 1px solid #333333;
        }
        
        .footer-menu a:last-child {
            border-right: none;
        }
        
        .footer-menu a:hover {
            color: #00479d;
        }
        
        .footer-bottom {
            margin-top: 15px;
            margin-bottom: 10px;
            height: 1px;
            background: #A9A9A9;
        }


        @media screen and (min-width: 1921px) {
            body,.header-content,.footer-content{
                max-width: calc(1392 / 1920 * 100vw);
            }
            .logo {
                width: calc(201 / 1920 * 100vw);
                margin-bottom: 13px;
            }
            .main-menu li{
                margin-left: calc(33 / 1920 * 100vw);
            }
            .main-menu li a {
                font-size: calc(19 / 1920 * 100vw);
            }
            .en-menu li{
                margin-left: calc(38 / 1920 * 100vw);
            }
            .main-menu li a{
                font-size: calc(16 / 1920 * 100vw);
            }
            .sub-menu li a{
                font-size: calc(16 / 1920 * 100vw);
            }
        
            .header-top{
                margin-bottom: calc(29 / 1920 * 100vw);
            }
            .search-icon{
                width: calc(20 / 1920 * 100vw);
                height: calc(20 / 1920 * 100vw);
            }
            .lang-switch a{
                font-size: calc(17 / 1920 * 100vw);
                margin-left: calc(15 / 1920 * 100vw);
            }   
            #searchdata{
                width: calc(119 / 1920 * 100vw);
                font-size: calc(16 / 1920 * 100vw);
            }
            .search-box{
                margin-left: 3.8%;
                padding-bottom: 4px;
                border-bottom-width: 2px;
            }
            
            .en-header .header-top{
                margin-bottom: calc(30 / 1920 * 100vw);
            }
            .en-header .search-box {
                margin-left: 3.6%;
            }
            .lang-icon{
                width: calc(20 / 1920 * 100vw);
                height: calc(20 / 1920 * 100vw);
            }
            .header-content{
                padding: calc(44 / 1920 * 100vw) 0 calc(22 / 1920 * 100vw);
            }
            .footer-menu a,.footer-info p{
                font-size: calc(14 / 1920 * 100vw);
            }
            .footer-bottom {
                margin-top: calc(15 / 1920 * 100vw);
                margin-bottom: calc(10 / 1920 * 100vw);
            }

        }
        @media (max-width: 1920px) {
            body,.header {
                max-width: 1392px;
            }
            .footer-content {
                max-width: 1392px;
            }

        }
        @media (max-width: 1200px) {
            .main-menu li {
                margin-left: 20px;
            }

            .main-menu li a {
                font-size: 14px;
                padding: 8px 10px;
            }
        }
        @media (max-width: 992px) {
            .header-content {
                flex-direction: column;
                align-items: center;
                padding: 15px 3%;
            }

            .header-right {
                align-items: center;
                margin-top: 15px;
            }

            .main-menu li {
                margin-left: 15px;
            }
        }
        
        @media (max-width: 768px) {
            .footer-loc,.footer-phone-num{
                display: block;
            }
            .main-menu {
                flex-wrap: wrap;
                justify-content: center;
            }

            .main-menu li {
                margin: 5px 10px;
            }
        }
        
        @media (max-width: 576px) {
            .footer{
                padding: 10px;
            }
            .footer-menu{
                grid-template-columns: repeat(4, 1fr);
            }
            .footer-menu a:nth-child(4n){
                border-right: none;
            }
            .search-box{
                margin: 0 7%;
            }
            .header-right{
                margin-top: 7%;
            }
        }