/* 重置样式和基础设置 */
* {
    box-sizing: border-box;
}
.container {
    width: 85%;
    margin: 0 auto;
}
.video{
    width: 100%;
    height: 100%;
}
/* 头部导航栏样式 */
.header {
    background: rgba(255,255,255,0);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all .3s;
}
.header.white{
    background: rgba(255,255,255,1);
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.nav-link.white{
    color: #333 !important;
}
.phone-info.white span{
    color: #333 !important;
}

.nav-item.active .nav-link.white {
    color: #003d95 !important;
    font-weight: 600;
}
.nav-link.white:hover{
    color: #003d95 !important;
}
/* 导航项下方滑块 */
.nav-item.active .nav-link.white::after {
    background: #003d95;
}
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

/* Logo 样式 */
.logo {
    flex-shrink: 0;
}

.logo img {
    height: 90px;
    width: auto;
}


.menubar-drawer{
    width: 100%;
    background: #FFF;
    display: none;
}

.menubar-list{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    display: none;
}
.menubar-list.padding{
    padding:40px 30px;
}
.menubar-list li a{
    font-size: 16px;
    color: #333;
}

.category-btn {
    padding: 12px 32px;
    border: 1px solid #d9d9d9 !important;
    background: #fff;
    color: #666;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s 
ease;
    border-radius: 24px;
    margin: 0;
    white-space: nowrap;
    min-width: 140px;
}


/* 桌面端导航菜单 */
.desktop-nav {
    flex: 1;
    margin: 0 40px;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 80px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 15px 0;
    color: #FFF;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s ease;
    white-space: nowrap;
    position: relative;
}

.nav-link:hover {
    color: #FFF;
}

/* 导航项高亮状态 */
.nav-item.active .nav-link {
    color: #FFF;
    font-weight: 600;
}

/* 导航项下方滑块 */
.nav-item.active .nav-link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: #FFF;
    border-radius: 10px;
}

/* 下拉菜单样式 */
.has-submenu {
    position: relative;
}

.submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    list-style: none;
    margin: 0;
    padding: 10px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    opacity: 0;
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.submenu li {
    margin: 0;
}

.submenu a {
    display: block;
    padding: 12px 20px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.submenu a:hover {
    background: #f8f9fa;
    color: #007bff;
}

/* 电话信息样式 */
.phone-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.phone-info img {
    width: 34px;
    height: 34px;
}

.phone-info span {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    gap: 4px;
}

.hamburger-line {
    width: 24px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 抽屉菜单遮罩层 */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1998;
}

.drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 抽屉菜单 */
.drawer-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100%;
    background: #fff;
    transition: right 0.3s ease;
    z-index: 1999;
    overflow-y: auto;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
}

.drawer-menu.active {
    right: 0;
}

/* 抽屉菜单头部 */
.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.drawer-logo img {
    height: 40px;
    width: auto;
}

.drawer-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 抽屉菜单导航 */
.drawer-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.drawer-menu-item {
    border-bottom: 1px solid #f0f0f0;
}

.drawer-nav-link-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.drawer-nav-link {
    display: block;
    padding: 16px 20px;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    flex: 1;
}

.drawer-nav-link:hover {
    background: #f8f9fa;
    color: #0051bc;
}

/* 抽屉菜单高亮状态 */
.drawer-menu-item.active .drawer-nav-link {
    color: #0051bc;
    font-weight: bold;
    background: #f0f6ff;
}

/* 抽屉菜单子菜单切换按钮 */
.toggle-submenu {
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    font-size: 18px;
    cursor: pointer;
    color: #666;
    margin-right: 10px;
}

/* 抽屉菜单子菜单 */
.drawer-submenu {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
}

.drawer-submenu li {
    border-bottom: 1px solid #e9ecef;
}

.drawer-submenu li:last-child {
    border-bottom: none;
}

.drawer-submenu a {
    display: block;
    padding: 12px 40px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
}

.drawer-submenu a:hover {
    background: #e9ecef;
    color: #007bff;
}

/* 抽屉菜单底部电话信息 */
.drawer-phone-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid #eee;
    margin-top: auto;
}

.drawer-phone-info img {
    width: 18px;
    height: 18px;
}

.drawer-phone-info span {
    color: #007bff;
    font-size: 16px;
    font-weight: 600;
}
.case-cover {
    width: 100%;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-attachment: fixed;
}
/* 封面图部分 */
.about-cover {
    position: relative;
    height: 600px;
    background: url("../images/0@2x.jpg") center center/cover no-repeat;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.about-cover .container {
    position: relative;
    z-index: 2;
}

.cover-content {
    position: absolute;
    left: 0;
    width: 100%;
    bottom: 40%;
    padding-left: 100px;
}
.cover-min {
    font-weight: 400;
    font-size: 24px;
    color: #ffffff;
    letter-spacing: 3px;
}
.cover-up, .cover-bottom{
    width: fit-content;
    position: relative;
}
.cover-bottom{
    padding-top: 5px;
    padding-left: 60px;
}
.cover-up::after {
    width: 111px;
    height: 1px;
    background: #fff;
    content: "";
    position: absolute;
    bottom: 8px;
    right: -125px;
}
.mr_6{
    margin-right: 6px;
}
.ml_6{
    margin-left: 5px;
}
.cover-bottom::after {
    width: 111px;
    height: 1px;
    background: #fff;
    content: "";
    position: absolute;
    bottom: 20px;
    left: -70px;
}
.cover-title {
    font-weight: 400;
    font-size: 38px;
    color: #ffffff;
    letter-spacing: 3px;
}

.cover-subtitle {
    font-size: 18px;
    font-weight: 400;
    color: #fff;
    margin: 0;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 主要内容区域 */
.main-content {
    min-height: calc(100vh - 70px);
    padding: 40px 0;
}

.main-content h1 {
    color: #333;
    font-size: 32px;
    margin-bottom: 20px;
    text-align: center;
}

.main-content h2 {
    color: #333;
    font-size: 24px;
    margin: 30px 0 15px 0;
}

.main-content p {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.main-content ul {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    padding-left: 20px;
}

.main-content li {
    margin-bottom: 8px;
}
@media (max-width: 1400px){
    .container {
        width: 98%;
    }
}
@media (max-width: 1200px) {
    .cover-content {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        bottom: 0;
    }
        .cover-title {
        font-size: 25px;
    }
    .cover-bottom::after{
            width: 52px;
    left: -10px;
    }
    .cover-up::after {
    width: 52px;
    right: -52px;
}
}
/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar-container{
        display: none !important;
    }
    .drawer-phone-info span {
        font-size: 14px;
    }
    .header-content {
        height: 60px;
    }

    .logo img {
        height: 60px;
    }

    /* 隐藏桌面端导航和电话信息 */
    .desktop-nav,
    .phone-info {
        display: none;
    }

    /* 显示汉堡菜单按钮 */
    .menu-toggle {
        display: flex;
    }

    /* 调整抽屉菜单宽度 */
    .drawer-menu {
        width: 260px;
    }

    .main-content {
        min-height: calc(100vh - 60px);
    }

    /* 封面图响应式 - 平板 */
    .about-cover {
        height: 350px;
    }

    .cover-subtitle {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .header-content {
        height: 55px;
    }

    .logo img {
        height: 50px;
    }

    .drawer-menu {
        width: 240px;
    }

    .main-content {
        min-height: calc(100vh - 55px);
        padding: 15px 0;
    }

    /* 封面图响应式 - 手机 */
    .about-cover {
        height: 280px;
    }

    .cover-content {
        padding-left: 20px;
        padding-bottom: 20px;
    }
    .cover-bottom::after{
        bottom: 7px;
    }
    .cover-title {
        font-size: 16px;
    }
    .cover-min{
        font-size: 14px;
    }
    .cover-subtitle {
        font-size: 14px;
        letter-spacing: 1px;
    }
}

/* 滚动条美化（webkit浏览器） */
.drawer-menu::-webkit-scrollbar {
    width: 6px;
}

.drawer-menu::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.drawer-menu::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.drawer-menu::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 页脚样式 */
.footer {
    background: #1e1e1e;
    color: #fff;
    border-top: 10px solid #f15a25;
}

/* 顶部联系信息栏 */
.footer-top {
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 0 !important;
}

.contact-item img {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.footer-top .container {
    padding: 50px 0;
    border-bottom: 1px solid rgba(235, 235, 235, 0.5);
}
.contact-number {
font-weight: 400;
font-size: 16px;
color: #FFFFFF;
}

.contact-desc {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.2;
}

/* 主要页脚内容 */
.footer-main {
    padding: 60px 0;
}

.footer-content {
    display: flex;
    gap: 80px;
    align-items: flex-start;
}

/* 左侧logo */
.footer-left {
    flex-shrink: 0;
}

.footer-logo img {
    width: 200px;
    height: auto;
}

/* 右侧内容 */
.footer-right {
    flex: 1;
    display: flex;
    gap: 60px;
}

/* 导航菜单 */
.footer-nav {
    display: flex;
    gap: 60px;
    flex: 1;
}

.nav-column {
    flex: 1;
}

.nav-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 20px 0;
    line-height: 1.2;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list li {
    margin-bottom: 12px;
}

.nav-list li:last-child {
    margin-bottom: 0;
}

.nav-list a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.nav-list a:hover {
    color: #fff;
}

/* 联系表单 */
.contact-form {
    flex-shrink: 0;
    flex: 1;
    /* width: 552px; */
}

.form-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 20px 0;
    line-height: 1.2;
}

.form-group {
    margin-bottom: 15px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #fff;
    color: #fff;
    font-size: 14px;
    border-radius: 4px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-input::placeholder {
    color: #fff;
}

.form-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

.form-submit {
    width: 100%;
    padding: 12px 16px;
    background: #666;
    color: #fff;
    border: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-top: 20px;
}

.form-submit:hover {
    background: #555;
}

/* 底部版权信息 */
.footer-bottom {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright-info {
}

.copyright-info p,.copyright-info a{
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    line-height: 1.5;
    margin: 0 0 8px 0;
}

.copyright-info p:last-child {
    margin-bottom: 0;
}

.keywords {
    font-size: 11px !important;
}
/* 客户logo网格 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(3, 1fr);
}

.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    min-height: 160px;
}


.partner-item img {
    max-width: 100%;
    max-height: 151px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

/* 合作客户版块响应式设计 */
@media (max-width: 1024px) {
    .partners-section {
        padding: 60px 0;
    }

    .partners-title {
        font-size: 40px;
    }

    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(4, 1fr);
    }

    /* 重新调整边框 */
    .partner-item:nth-child(5n) {
        border-right: 1px solid #e0e0e0;
    }

    .partner-item:nth-child(4n) {
        border-right: none;
    }

    .partner-item:nth-child(n + 13) {
        border-bottom: 1px solid #e0e0e0;
    }

    .partner-item:nth-child(n + 13) {
        border-bottom: none;
    }

    .partner-item {
        min-height: 140px;
        padding: 30px 15px;
    }
}
/* 页脚导航抽屉样式 */
.footer-nav-drawer {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100%;
    background: #1e1e1e;
    transition: left 0.3s ease;
    z-index: 2000;
    overflow-y: auto;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.3);
    display: none;
}

.footer-nav-drawer.active {
    left: 0;
}

.footer-nav-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1999;
    display: none;
}

.footer-nav-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

.footer-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-drawer-title {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.footer-drawer-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-drawer-nav {
    padding: 20px 0;
}

.footer-drawer-section {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-drawer-section:last-child {
    border-bottom: none;
}

.footer-drawer-toggle {
    width: 100%;
    background: none;
    border: none;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    padding: 16px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s ease;
}

.footer-drawer-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

.footer-drawer-toggle::after {
    content: '+';
    font-size: 18px;
    transition: transform 0.3s ease;
}

.footer-drawer-toggle.active::after {
    transform: rotate(45deg);
}

.footer-drawer-list {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
    background: rgba(0, 0, 0, 0.2);
}

.footer-drawer-list.active {
    display: block;
}

.footer-drawer-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-drawer-list li:last-child {
    border-bottom: none;
}

.footer-drawer-list a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    padding: 12px 40px;
    transition: all 0.3s ease;
}

.footer-drawer-list a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}
.footer-row{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    cursor: pointer;
}
.footer-row svg{
    display: none;
}
/* 页脚响应式设计 */
@media (max-width: 1200px) {
    .footer-row svg{
    display: block;
    }
    .footer-logo{
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .footer-nav {
        gap: 30px;
    }
    .footer-left,.footer-nav{
        width: 100%;
    }
    .nav-list{
        display: none;
    }
    .footer-right {
        width: 100%;
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }
    .footer-top .container {
        padding: 40px 0;
    }
    .nav-title{
        margin-bottom: 0;
    }
    .contact-info {
        gap: 30px;
    }

    .footer-content {
        gap: 60px;
    }

    .footer-right {
        gap: 50px;
    }

    .footer-nav,.footer-content {
        flex-direction: column;
    }

    .contact-form {
        width: 300px;
    }
}

@media (max-width: 1024px) {
    .contact-info {
        gap: 20px;
    }

    .footer-content {
        gap: 50px;
    }

    .footer-right {
        gap: 40px;
    }

    .contact-form {
        width: 280px;
    }
}

@media (max-width: 768px) {
    .footer-top {
    }

    .contact-info {
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }

    .contact-item {
        flex: 1 1 calc(50% - 8px);
        min-width: 200px;
    }

    .contact-number {
        font-size: 13px;
    }

    .contact-desc {
        font-size: 11px;
    }

    .footer-main {
        padding: 40px 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }

    .footer-left {
        text-align: center;
    }

    .footer-logo img {
        width: 150px;
    }

    /* 隐藏桌面端导航，显示移动端导航按钮 */
    .footer-nav {
    }

    .footer-nav-mobile {
        display: block;
        width: 100%;
        text-align: center;
    }

    .footer-nav-toggle {
        background: #333;
        color: #fff;
        border: 1px solid #555;
        padding: 12px 24px;
        font-size: 16px;
        font-weight: 500;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .footer-nav-toggle:hover {
        background: #444;
        border-color: #666;
    }

    .footer-nav-toggle::after {
        content: '☰';
        font-size: 14px;
    }

    .contact-form {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    /* 显示抽屉相关元素 */
    .footer-nav-drawer,
    .footer-nav-drawer-overlay {
        display: block;
    }
}

@media (max-width: 480px) {
    .footer-top .container {
        padding: 10px 0;
    }

    .contact-info {
        flex-direction: column;
        gap: 12px;
    }

    .contact-item {
        flex: none;
        width: 100%;
    }

    .contact-text {
        align-items: center;
    }

    .footer-main {
        padding: 30px 0;
    }

    .footer-logo img {
        width: 120px;
    }

    .footer-nav-toggle {
        padding: 10px 20px;
        font-size: 15px;
    }

    .footer-nav-drawer {
        width: 260px;
    }

    .contact-form {
        max-width: 100%;
        padding: 0 15px;
    }

    .form-title {
        font-size: 15px;
        text-align: center;
    }

    .form-input {
        padding: 10px 14px;
        font-size: 13px;
    }

    .form-submit {
        padding: 10px 14px;
        font-size: 13px;
    }

    .footer-bottom {
        padding: 30px 0;
    }

    .copyright-info p {
        font-size: 11px;
        padding: 0 15px;
        text-align: center;
    }

    .keywords {
        font-size: 10px !important;
    }
}

@media (max-width: 375px) {
    .footer-nav-drawer {
        width: 240px;
    }

    .footer-drawer-toggle {
        font-size: 15px;
        padding: 14px 18px;
    }

    .footer-drawer-list a {
        font-size: 13px;
        padding: 10px 35px;
    }

    .contact-form {
        padding: 0 10px;
    }
}

/* 桌面端隐藏移动端导航 */
.footer-nav-mobile {
    display: none;
}

/* 侧边栏样式 */
.sidebar-container {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: slideInRight 0.8s ease-out;
}

/* 侧边栏入场动画 */
@keyframes slideInRight {
    0% {
        transform: translateY(-50%) translateX(100px);
        opacity: 0;
    }
    100% {
        transform: translateY(-50%) translateX(0);
        opacity: 1;
    }
}
.sidebar-menu{
        display: flex;
    flex-direction: column;
    gap: 8px;
    background: #FFF;
    border-radius:30px;
    border: 1px solid #EEEEEE;
    padding-bottom: 10px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* 侧边栏菜单入场动画 */
@keyframes fadeInUp {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}
.sidebar-item {
    position: relative;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: visible;
    padding: 10px;
    border-bottom: 1px solid #ECECEC;
    opacity: 0;
    transform: translateX(30px);
    animation: slideInItem 0.4s ease-out forwards;
}

/* 侧边栏项目交错动画 */
.sidebar-item:nth-child(1) { animation-delay: 0.3s; }
.sidebar-item:nth-child(2) { animation-delay: 0.4s; }
.sidebar-item:nth-child(3) { animation-delay: 0.5s; }
.sidebar-item:nth-child(4) { animation-delay: 0.6s; }

@keyframes slideInItem {
    0% {
        opacity: 0;
        transform: translateX(30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.sidebar-item:hover {
    background: rgba(0, 81, 188, 0.05);
    border-radius: 12px;
    transform: translateX(-5px);
}
.sidebar-item:last-child {
  border-bottom: none;
}
.sidebar-item img {
    width: 40px;
    height: 40px;
    margin-bottom:5px;
    display: flex;
    transition: all 0.3s ease;
}

/* .sidebar-item:hover img {
    transform: scale(1.1) rotate(5deg);
} */

.min_icon{
    width: 20px !important;
    height: 20px !important;
}

.sidebar-item:hover .min_icon {
    transform: scale(1.2) rotate(-5deg);
}
.sidebar-text {
font-weight: 400;
font-size: 10px;
color: #666666;
transition: all 0.3s ease;
}

.sidebar-item:hover .sidebar-text {
    color: #0051bc;
    font-weight: 500;
    transform: translateY(-2px);
}
.wechat-drawer .drawer-content{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
/* 抽屉样式 */
.sidebar-drawer {
    position: absolute;
    right: 75px;
    top: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    padding: 20px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px) scale(0.9);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    z-index: 10;
}
.sidebar-drawer
.sidebar-drawer::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 20px;
    border: 8px solid transparent;
    border-left-color: white;
}

.sidebar-item:hover .sidebar-drawer {
    opacity: 1;
    visibility: visible;
    transform: translateX(0) scale(1);
}

.drawer-content h4 {
    margin: 0 0 12px 0;
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.phone-number {
    font-size: 18px;
    font-weight: bold;
    color: #0051bc;
    margin: 8px 0;
}

.phone-desc {
    font-size: 12px;
    color: #666;
    margin: 0;
}

.wechat-qr {
    text-align: center;
    /* margin: 12px 0; */
}

.wechat-qr img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    filter: none;
}

.wechat-desc {
    font-size: 12px;
    color: #666;
    text-align: center;
    margin: 8px 0 0 0;
}

.email-address {
    font-size: 14px;
    font-weight: bold;
    color: #0051bc;
    margin: 8px 0;
    word-break: break-all;
}

.email-desc {
    font-size: 12px;
    color: #666;
    margin: 0;
}

/* 返回顶部特殊样式 */
.back-to-top {
    width: 52px;
height: 52px;
background: #FFFFFF;
border-radius:50%;
border: 1px solid #EEEEEE;
display: flex;
align-items: center;
justify-content: center;
margin-top: 10px;
opacity: 0;
transform: translateY(20px) scale(0.8);
animation: bounceInUp 0.6s ease-out 0.7s both;
}

/* 返回顶部按钮动画 */
@keyframes bounceInUp {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    60% {
        opacity: 1;
        transform: translateY(-5px) scale(1.1);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.back-to-top:hover {
    background: #f8f9fa;
    border-color: #0051bc;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 81, 188, 0.2);
}

.back-to-top img {
    width: 20px;
    height: 20px;
}

/* 移动端适配 */
@media (max-width: 1200px){
    .container{
        width: 95%;
    }
    .desktop-nav{
        margin: 0 30px;
    }
    .nav-menu{
        justify-content: space-between;
        gap: 30px;
    }
}
@media (max-width: 1000px){
    .logo img{
        height: 60px;
    }
}
@media (max-width: 900px){
    .phone-info{
        display: none;
    }
}
@media (max-width: 768px) {
    .sidebar-container {
        right: 15px;
        gap: 6px;
    }
    
    .sidebar-item {
        padding: 10px 0 0 0;
    }
    
    .sidebar-item img {
        width: 24px;
        height: 24px;
    }
    
    .sidebar-text {
        right: 65px;
        font-size: 11px;
        padding: 6px 10px;
    }
    
    .sidebar-drawer {
        right: 65px;
        min-width: 180px;
        padding: 16px;
    }
    
    .wechat-qr img {
        width: 100px;
        height: 100px;
    }
}