/* 头部导航栏样式 - 中文版 */

/* 统一所有页面的header位置 */
body {
    margin : 0 !important;
    padding: 0 !important;
    padding-top: 80px !important; /* 为固定导航栏留出空间 */
}

/* 固定导航栏样式 */
.layout-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 10000 !important;
    width: 100% !important;
}

.header-box {
    position: relative !important;
    width: 100% !important;
}

.layout {
    margin : 0 !important;
    padding: 0 !important;
}

/* Header top bar styling - 通用样式 */
.header-top {
    background-color: #f8f9fa !important;
    border-bottom   : 1px solid #e9ecef !important;
    padding         : 8px 0 !important;
    font-size       : 14px !important;
}

.header-top-content {
    display        : flex !important;
    justify-content: space-between !important;
    align-items    : center !important;
}

.header-top-left {
    display: flex !important;
    gap    : 20px !important;
}

.header-phone,
.header-email {
    color          : #666 !important;
    text-decoration: none !important;
}

.header-top-right {
    display    : flex !important;
    align-items: center !important;
}

.language-switch {
    display    : flex !important;
    align-items: center !important;
    gap        : 5px !important;
    padding    : 10px 0 !important;
}

.nav-item .language-switch {
    padding: 10px 0 !important;
}

.nav-item:last-child {
    margin-left: auto !important;
}

.lang-link {
    color          : #333 !important;
    text-decoration: none !important;
    transition     : color 0.3s ease !important;
    font-weight    : 500 !important;
    font-size      : 16px !important;
}

.lang-link:hover {
    color: #FF4A4A !important;
}

.lang-current {
    color      : #FF4A4A !important;
    font-weight: 600 !important;
    font-size  : 16px !important;
}

.lang-separator {
    color: #ccc !important;
}

/* Navigation styling - 通用样式 */
.nav-contain {
    background-color: #ffffff !important;
    box-shadow      : 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    padding         : 20px 0 !important;
}

.nav-inner {
    display    : flex !important;
    align-items: center !important;
}

.nav-logo {
    flex-shrink : 0 !important;
    margin-right: 50px !important;
}

.nav-logo h2 {
    margin     : 0 !important;
    font-size  : 24px !important;
    font-weight: 600 !important;
    color      : #333 !important;
    line-height: 1.2 !important;
}

.logo-img {
    max-height: 50px !important;
    width     : auto !important;
}

.nav-menu {
    flex           : 1 !important;
    display        : flex !important;
    justify-content: center !important;
    align-items    : center !important;
    margin-right   : 10px !important;
}

.nav-list {
    display   : flex !important;
    list-style: none !important;
    margin    : 0 !important;
    padding   : 0 !important;
    gap       : 70px !important;
}

.nav-item {
    position   : relative !important;
    display    : flex !important;
    align-items: center !important;
}

.nav-link {
    color          : #333 !important;
    text-decoration: none !important;
    font-weight    : 500 !important;
    font-size      : 16px !important;
    padding        : 10px 0 !important;
    transition     : color 0.3s ease !important;
    display        : block !important;
}

.nav-link:hover {
    color: #FF4A4A !important;
    /* 中文版使用红色主题 */
}

/* Dropdown menu styling - 通用样式 */
.nav-dropdown {
    position: relative !important;
}

.nav-dropdown .sub-menu {
    position        : absolute !important;
    top             : 100% !important;
    left            : 0 !important;
    background-color: #ffffff !important;
    box-shadow      : 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    border-radius   : 4px !important;
    min-width       : 280px !important;
    opacity         : 0 !important;
    visibility      : hidden !important;
    transform       : translateY(-10px) !important;
    transition      : all 0.3s ease !important;
    z-index         : 9999 !important;
    list-style      : none !important;
    margin          : 0 !important;
    padding         : 10px 0 !important;
}

.nav-dropdown:hover .sub-menu {
    opacity   : 1 !important;
    visibility: visible !important;
    transform : translateY(0) !important;
}

.sub-item {
    margin: 0 !important;
}

.sub-link {
    display        : block !important;
    padding        : 12px 20px !important;
    color          : #666 !important;
    text-decoration: none !important;
    font-size      : 14px !important;
    transition     : all 0.3s ease !important;
    border-left    : 3px solid transparent !important;
}

.sub-link:hover {
    background-color : #f8f9fa !important;
    color            : #FF4A4A !important;
    /* 中文版使用红色主题 */
    border-left-color: #FF4A4A !important;
}

/* 移动端Logo样式 - 中文版特有 */
.m-header .m-logo .logo-text {
    font-size      : 20px !important;
    color          : #333 !important;
    text-decoration: none !important;
    background     : transparent !important;
    padding        : 0 !important;
    line-height    : 1.2 !important;
}

.m-header .m-logo .logo-text:hover {
    color          : #FF4A4A !important;
    text-decoration: none !important;
    background     : transparent !important;
}

/* 响应式调整 - 通用样式 */
@media screen and (max-width: 1200px) {
    .nav-list {
        gap: 80px !important;
    }

    .nav-link {
        font-size: 15px !important;
    }

    .nav-logo h2 {
        font-size: 22px !important;
    }

    .nav-logo {
        margin-right: 40px !important;
    }

    .nav-menu {
        margin-right: 40px !important;
    }

    .lang-link,
    .lang-current {
        font-size: 15px !important;
    }
}

@media screen and (max-width: 992px) {
    .nav-list {
        gap: 60px !important;
    }

    .nav-link {
        font-size: 14px !important;
        padding  : 8px 0 !important;
    }

    .nav-logo h2 {
        font-size: 20px !important;
    }

    .nav-logo {
        margin-right: 30px !important;
    }

    .nav-menu {
        margin-right: 30px !important;
    }

    .lang-link,
    .lang-current {
        font-size: 14px !important;
    }

    .logo-img {
        max-height: 40px !important;
    }
}

@media screen and (max-width: 768px) {
    /* 移动端固定导航栏 */
    .m-header {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 10000 !important;
        width: 100% !important;
    }
    
    body {
        padding-top: 80px !important; /* 移动端导航栏高度较小 */
    }
    
    .header-top {
        display: none !important;
    }

    .nav-list {
        gap: 40px !important;
    }

    .nav-link {
        font-size: 13px !important;
    }

    .nav-logo h2 {
        font-size: 18px !important;
    }

    .nav-logo {
        margin-right: 20px !important;
    }

    .nav-menu {
        margin-right: 20px !important;
    }

    .lang-link,
    .lang-current {
        font-size: 13px !important;
    }

    .logo-img {
        max-height: 35px !important;
    }
}

@media screen and (max-width: 480px) {
    .nav-list {
        gap: 30px !important;
    }

    .nav-link {
        font-size: 12px !important;
    }

    .nav-logo h2 {
        font-size: 16px !important;
    }

    .nav-logo {
        margin-left: -150px !important;

    }

    .nav-menu {
        margin-right: 15px !important;
    }

    .lang-link,
    .lang-current {
        font-size: 12px !important;
    }

    .logo-img {
        max-height: 30px !important;
    }
    
    /* 移动端logo更小字体 */
    .m-header .m-logo .logo-text {
        font-size: 14px !important;
    }
}

/* 超小屏幕设备 */
@media screen and (max-width: 360px) {
    .m-header .m-logo .logo-text {
        font-size: 12px !important;
    }
}