@import url('iconfont.css');
.menu,
.menu-btn,
.Mobilebanner,
.Mobilehead {
    display: none;
}


/* 网站顶栏菜单 */
.header {
    height: 52px;
    background-color: #000;
    /* 深色背景 */
    padding: 0 13.2%;
    /* 左右内边距10%的外边框 */
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 300;
}

.nav {
    display: flex;
    height: 100%;
    align-items: center;
}

/* 菜单区域 */
.nav-section {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-section.left {
    flex: 1;
    justify-content: flex-start;
    transform: scaleY(0.9);
}

.nav-section.right {
    flex: 1;
    justify-content: flex-end;
    transform: scaleY(0.9);
}

.nav-section.center {
    flex: 1.5;
    justify-content: center;
}

.nav-section.left ul,.nav-section.right ul {
    list-style: none;
    display: flex;
    gap: 15px;
}

.nav-section ul li {
    margin: 0;
    font-size: clamp(11px, 1vw, 14px);
    position: relative;
}

.nav-section.left ul li a {
    color: white;
    text-decoration: none;
    padding: 0 0.11rem 0 0;
}

.nav-section.right ul li a {
    color: white;
    text-decoration: none;
    padding: 0 0 0 0.11rem;
}

.nav-section .iconfont {
    font-size: 12px;
}

.nav-section .iconfont.icon-share {
    font-size: 16px;
}

.nav-section ul li a i {
    margin-left: 5px;
}

/* 白色圆圈标识 */
.nav-section.left ul li.current a::before {
    content: '';
    display: block;
    width: 7px;
    height: 7px;
    background-color: #fff;
    border-radius: 50%;
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
}

.nav-section.right ul li.current a::before {
    content: '';
    display: block;
    width: 7px;
    height: 7px;
    background-color: #fff;
    border-radius: 50%;
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
}


.nav-section.center img {
    width: 160px;
    height: auto;
}


/* 联系我们区域样式 */
.joinus {
    position: relative;
    border-top: 2px solid gray;
    border-bottom: 2px solid gray;
}

/* 水平灰色线条 */
.line-horizontal {
    position: absolute;
    top: 20%;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: gray;
    z-index: 1;
}

/* 垂直灰色线条 */
.line-vertical {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: gray;
    z-index: 1;
}

/* 文字组样式 */
.text-group {
    position: absolute;
    z-index: 2;
    font-size: clamp(16px, 4.7vw, 90px);
    font-weight: 100;
    color: #fefefe;
    transform: scaleY(0.9) !important;

}

/* 文字组的位置 */
.text-group-1 {
    top: 7%;
    left: 3%;
    transform: scaleY(0.9);
}

.text-group-2 {
    top: 7%;
    left: 46%;
    transform: scaleY(0.9);
}

.text-group-3 {
    top: 23.5%;
    right: 52%;
    font-size: 16px;
}

.text-group-4 {
    top: 23.5%;
    left: 52%;
    font-size: 16px;
}

/* 图片样式 */
.joinus-image-container {
    position: relative;
    top: 29%;
    left: 0;
    width: 100%;
    height: auto;
    z-index: 1;
    margin: 280px 0 50px 0;
}

.joinus-bgimage {
    width: 100%;
    z-index: 1;
}

/* 按钮样式 */
.golden-button {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #a38269;
    border: none;
    border-radius: 50px;
    padding: 10px 20px;
    font-size: clamp(14px, 1vw, 18px);
    color: white;
    cursor: pointer;
    z-index: 2;
    font-style: italic;
    width: 20%;
    height: 13%;
    max-width: 280px;
    max-height: 64px;
}

.golden-button:hover {
    text-decoration: underline;
}


/* 底部导航 */
.footer {
    height: 670px;
    background: url('../img/footbg.png') repeat-x;
    background-position: bottom;
    padding: 0 14%;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* 顶部区域样式 */
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 50px;
}

/* Logo样式 */
.footer-logo {
    width: 47%;
}

.footer-logo img {
    width: 217px;
    height: auto;
}

/* 菜单样式 */
.footer-menu {
    width: 53%;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    transform: scaleY(0.9);
}

.footer-link {
    color: white;
    text-decoration: none;
    position: relative;
}
.shareicon{
    width: 8px;
    height: 12px;
    display: inline-block;
    vertical-align: middle;
    margin-left: 6px;
}

/* 小圆点的样式 */
.footer-link::before {
    content: '';
    position: absolute;
    left: -15px;
    /* 让小圆点位于链接左边 */
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: 50%;
    opacity: 0;
    /* 初始隐藏 */
    transition: opacity 0.3s ease-in-out;
    /* 设置过渡效果 */
}

.footer-link:hover::before {
    opacity: 1;
    /* 鼠标悬停时显示 */
}

/* 中间区域样式 */
.footer-middle {
    display: flex;
    justify-content: space-between;
    width: 53%;
    margin: 128px 0;
    font-size: 13px;
    margin-left: auto;
    align-items: flex-end;
    opacity: 0.5;
    line-height: 1.6;
    color: gray;
    font-weight: 400;
}


.footer-text a {
    color: gray;
    font-weight: 400;
    text-decoration: none;
    margin-top: 8px;
    display: block;
}

.footer-description {
    color: gray;
}

.footer-top-link {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.footer-top-link img {
    margin-right: 5px;
}

.footer-top-link span {
    color: white;
    font-size: 18px;
    font-weight: 300;
    transform: scaleY(0.9);
}

/* 底部区域样式 */
.footer-bottom {
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    font-size: 13px;
    transform: scaleY(0.9);
}
.footer-bottom a{ color: white;}


/* 下拉菜单样式 */
.dropdown-menu {
    height: calc(100vh - 52px);
    background-image: url('../img/menubg.jpg'); 
    background-repeat: repeat-x;
    border-top: 2px solid gray;
    border-bottom: 2px solid gray;
    overflow: auto;
    /* 确保超出部分可以滚动 */
    position: fixed;
    top: 52px;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0s 0.3s;
    /* 淡入淡出效果 */
    z-index: 1000;
    width: 100%;
    visibility: hidden;
}

.dropdown-menu.active {
    visibility: visible;
    /* 显示菜单 */
    opacity: 1;
    transition: opacity 0.5s ease;
}

/* 鼠标悬停时的样式 */
.dropdown-menu:hover {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease;
    /* 确保鼠标悬停时菜单保持可见*/
}

/* 标题样式 */
.dropdown-header {
    height: 13%;
    display: flex;
    align-items: center;
    padding-left: 5%;
    font-size: 34px;
    color: white;
    font-weight: 400;
}

.dropdown-header span {
    font-size: 24px;
    line-height: 34px;
    padding: 7px 0 0 20px;
}

.dropdown-header::after {
    content: '';
    position: absolute;
    right: 0;
    top: 13%;
    width: 70%;
    height: 2px;
    background-color: gray;
    transition: background-color 0.3s ease-in-out;
}


/* 行样式 */
.dropdown-row {
    display: flex;
    align-items: center;
    padding: 20px 0;
    color: gray;
    position: relative;
    cursor: pointer;
    transition: color 0.3s ease-in-out;
    /* 平滑过渡 */
}

.dropdown-row:not(:last-of-type)::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 70%;
    height: 2px;
    background-color: gray;
    transition: background-color 0.3s ease-in-out;
}

.dropdown-row:hover {
    color: white;
    /* 文字变白 */
}

.dropdown-row:last-of-type::after {
    border-bottom: none;
}


.dropdown-row:hover {
    opacity: 1;
    cursor: pointer;
}

/* 项目样式 */
.dropdown-row .item {
    width: 50%;
    text-align: left;
    font-size: 100px;
    padding-left: 5%;
    transform: scaleY(0.9);
}

.dropdown-row .arrow {
    width: 10%;
    opacity: 0;
    /* 默认不显示箭头 */
    transition: 0.5 all;
    display: flex;
    justify-content: center;
    transition: opacity 0.3s ease-in-out;
}

.dropdown-row .text {
    text-align: left;
    font-size: clamp(40px, 5vw, 100px);
    line-height: 0.9;
    letter-spacing: -2px;
    transform: scaleY(0.9);
}

.thin {
    font-weight: 100;
}

.dropdown-row .series {
    text-align: left;
    font-size: clamp(16px, 2vw, 36px);
    display: inline-block;
    padding-left: 30px;
    transform: scaleY(1.1);
}

/* 鼠标经过时显示箭头 */
.dropdown-row:hover .arrow {
    opacity: 1;

}

/* 初始状态下隐藏所有图片 */
.dropdown-image {
    opacity: 0;
    position: fixed;
    top: 37%;
    left: 15%;
    width: 32vw;
    height: 47vh;
    background-size: cover;
    background-position: center;
    transition: opacity 0.5s ease-in-out;
    z-index: 2;
}

/* 鼠标经过.dropdown-row时显示对应的图片 */
.dropdown-row:hover .dropdown-image {
    display: block;
    opacity: 1;
}

/* 垂直灰色线条 */
.menuline-vertical {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background-color: gray;
    z-index: 1;
}


@media (max-width: 1440px) {

    /* 网站菜单 */
    .header {
        padding: 0 5%;
    }
    .footer {
        height: 670px;
        padding: 0 5%;
    }

}

@media (max-width: 1023px) {
    .header {
        display: none;
    }

    .icon-close:before {
    font-size: 0.41rem!important;
}

    .menu {
        height: 100%;
        width: 100%;
        background-color: #fff;
        padding:0.5rem 0.64rem;
        position: fixed;
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%; /* 菜单开始在屏幕右侧外 */
        transform: translate3d(100%, 0, 0);
        transition: all 0.6s ease;
        z-index: 100;
        overflow-y: auto;
        color: #6e6e6e;
    }

    .menu.open {
        right: 0;
        transform: translate3d(0, 0, 0);
    }

    .menu-header {
        display: flex;
        justify-content: space-between;
        align-items: center;

    }

    .Mobilehead .logo {
        width: 2.3rem;
        height: 0.185rem;
        display: block;
    }

    .Mobilehead {
        position: fixed;
        display: flex;
        justify-content: space-between;
        top: 3.5%;
        padding: 0 6%;
        z-index: 10;
        width: 100%;
        align-items: center;
    }

    .Mobilemenu-btn {
        width: 0.2rem;
        height: 0.3rem;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        cursor: pointer;
    }

    .Mobilemenu-btn div {
        content: '';
        width: 0.4rem;
        height: 0.02rem;
        background-color: white;
    }

    .close-btn {
        width: 0.82rem;
        height: 0.82rem;
        background-color: #f3f3f3;
        border: none;
        border-radius: 8px;
        color: #333;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        outline: none;
        transition: background-color 0.5s ease;
    }

    .menu-list {
        list-style: none;
        border-top: 1px solid #aaaaaa;
        margin-top: 1.38rem;
    }

    .menu-item {
        height: 0.86rem;
        display: flex;
        align-items: center;
        border-bottom: 1px solid #aaaaaa;
        cursor: pointer;
        position: relative;
    }

    .menu-item .text {
        display: flex;
        align-items: center;
        flex: 1;
        position: relative;
    }

    .menu-item .text .chinese {
        font-size: 0.31rem;
        margin-left: 10px;
    }

    .menu-item .text .english {
        font-size: 0.42rem;
        width: 1.75rem;
        text-align: left;
        transform: scaleY(0.9);
    }

    .menu-item ion-icon {
        font-size: 16px;
        position: absolute;
        right: 0;
        color: #6e6e6e;
    }

    .menu-item span {
        font-size: 0.3rem;
        position: absolute;
        right: 0;
        color: #6e6e6e;
    }

    .submenu {
        font-size: 20px;
        color: #6e6e6e;
        list-style: none;
        overflow: hidden;
        transition: transform 0.3s ease, opacity 0.3s ease;
        max-height: 0;
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top; /* 初始状态隐藏 */
    }

    .submenu.open {
        max-height: 500px;
        opacity: 1; /* 显示 */
        transform: scaleY(1);
    }
    .submenu li {
        margin: 5px 0;
    }

    .mfooter {
        padding-top: 20px;
        font-size: 12px;
        color: #6e6e6e;
        text-align: center;
        margin-top: auto;
    }

    .mfooter-item {
        font-size: 0.42rem;
        text-align: left;
        padding-bottom: 0.55rem;
        color: black;
        transform: scaleY(0.9);
    }

    .mfooter-copyright {
        border-top: 1px solid black;
        padding: 0.7rem 0 0 0;
        font-size: 0.25rem;
        letter-spacing: 0.002rem;
        transform: scaleY(0.9);
    }

    .dropdown-row {
        display: flex;
        align-items: flex-start;
        padding: 20px 0;
        color: gray;
        position: relative;
    }

    .dropdown-row .item {
        width: 30%;
        text-align: left;
        font-size: 0.42rem;
        padding-left: 0;
    }

    .dropdown-row .text {
        text-align: left;
        font-size: 0.42rem;
        line-height: 1;
        margin-left: 20px;
        letter-spacing: 0px;
    }

    .thin {
        font-weight: 100;
    }

    .dropdown-row .series {
        text-align: left;
        font-size: 0.29rem;
        padding-left: 10px;
    }

    .dropdown-row:not(:last-of-type)::after {
        content: '';
        position: absolute;
        right: 0;
        bottom: 0;
        width: 85%;
        height: 1px;
        background-color: #aaaaaa;
        transition: background-color 0.3s ease-in-out;
    }

    .dropdown-row:last-of-type {
        border-bottom: 1px solid #aaaaaa;
    }

    .dropdown-image {
        display: none !important;
    }

    .dropdown-row:hover {
        color: #6e6e6e;
        /* 文字变白 */
    }

    .submenu .menuline-vertical {
        left: 30%;
        width: 1px;
        background-color: #aaaaaa;
        top: 0;
        height: 100%;
    }

    /*banner*/
    .banner {

        margin-top: 0; 

    }

    /*section标题设置*/
    .section-title-top {

        height: 1rem;
        padding: 0 6%;

    }

    .section-title {
        font-size: 0.56rem;
    }
    
    /*join us区域样式 */
    .joinus-bgimage {
        content: url('../img/joinusbg-s.jpg');
    }

    .text-group{ font-size: 0.32rem;}

    .text-group-1 {
        top: 4%;
    }

    .text-group-2 {
        top: 4%;
    }

    .text-group-3 {
        top: 18.5%;
        right: 52%;
        font-size: 0.2rem;
    }

    .text-group-4 {
        top: 18.5%;
        font-size: 0.2rem;
    }

    .joinus-image-container {
        margin: 16% 0 5% 0;
    }

    .line-horizontal {
        top: 16%;
    }

    .golden-button {
        bottom: 23%;
        font-size: 0.15rem;
        padding: 0;
        width: 26%;
        height: 16%;
    }
    
    .joinus {
        border-top: 1px solid gray;
        border-bottom: 1px solid gray;
    }

    /* 水平灰色线条 */
    .line-horizontal {
        height: 1px;
    }

    /* 垂直灰色线条 */
    .line-vertical {
        width: 1px;
    }


    /* 底部菜单响应式样式 */
    .footer-top {
        padding-top: 0.4rem;
        align-items: baseline;
    }

    .footer-logo {
        width: 38%;
        height: 7px;
    }

    .footer-middle {
        width: 100%;
        margin: 0.3rem 0;
        font-size: 0.17rem;
    }

    .footer-menu {
        width: 50%;
        display: grid;
        /* 使用 grid 布局 */
        grid-template-columns: repeat(2, 1fr);
        /* 分为两列，每列宽度相等 */
        grid-column-gap: 0.6rem;
        font-size: 0.25rem;
    }

    .footer-link {
        margin-bottom: 10px;
    }

    .footer-top-link span {
        font-size: 0.27rem;
    }

    .footer-top-link {
        display: flex;
        flex-direction: column-reverse;
        cursor: pointer;
    }

    .footer-top-link img {
        margin-right: 5px;
        width: 0.32rem;
        height: 0.37rem;
    }

    .footer-link::before {
        width: 5px;
        height: 5px;
        left: -9px;
    }

    .footer-bottom {
        height: 25px;
        font-size: 10px;
    }

}


@media (max-width: 767px){


    .Mobilemenu-btn {
        width: 0.7rem;
        height: 0.4rem;
    }

    .Mobilemenu-btn div {
        width: 0.7rem;
        height: 0.02rem;
    }

    /*移动端banner*/
    .banner {
        display: none;
    }

    .Mobilebanner {
        display: block;
        position: relative;
    }
    .Mobilebanner .viewmore img {
        width: 64px;
        height: 64px;
        image-rendering: auto;
    }

    .Mobilebanner .swiper-container {
        position: relative;
        overflow: hidden;
        max-height: 1497px;
        /* aspect-ratio: 1 / 2; */
    }

    .Mobilebanner .img-container {
        width: 100%;
        height: auto;
        overflow: hidden;
    }

    .Mobilebanner .text-container {
        position: absolute;
        top: 44.3%;
        left: 0;
        width: 100%;
        text-align: center;
        text-transform: uppercase;
        font-weight: 100;
    }

    .Mobilebanner .line-text.center {
        left: 0;
        right: 0;
        margin: 0 auto;
        font-size: 0.62rem;
    }

    .Mobilebanner .swiper-slide {
        position: relative;
        overflow: hidden;
        aspect-ratio: 1 / 2;
    }

    .Mobilebanner .slide-img {
        transform: translateY(0);
        width: 100%;
        height: auto;
        object-fit: cover; 
    }

    .Mobilebanner .vertical-line.bottom {
        right: 15%;
    }

    .Mobilebanner .vertical-line.top {
        left: 15%;
    }

    .Mobilebanner .additional-text {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 35%;
        transform: translateY(-50%);
        text-align: center;
        font-size: 0.5rem;
        color: white;
    }

    .Mobilebanner .swiper-button-next4,
    .Mobilebanner .swiper-button-prev4 {
        position: absolute;
        top: 46%;
        max-width: 43px;
        max-height: 38px;
        width: 0.45rem;
        height: 0.4rem;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        cursor: pointer;
        z-index: 3;
        transition: all 0.4s;
    }

    .Mobilebanner .swiper-button-next4 {
        right: 6%;
        transform: translateX(50%);
        background-image: url('../img/bannernext.png');
        /* 调整为右侧居中 */
    }

    .Mobilebanner .swiper-button-prev4 {
        left: 6%;
        transform: translateX(-50%);
        background-image: url('../img/bannerprev.png');
        /* 调整为左侧居中 */
    }

    /* 底部菜单响应式样式 */
    .footer {
        background: url('../img/footbg-s.png') repeat-x;
        max-height: 7.42rem;
        background-position: bottom;
    }
    .footer-logo img {
    width: 100%;
    height: auto;
    }
}