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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
    width: 100%;
    position: relative;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    padding: 15px 0;
}

.logo img {
    height: 66px;
    width: auto;
}

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    position: relative;
}

nav ul li {
    display: inline-block;
    padding: 25px 15px;
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: #333;
}

nav ul li .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 8px 0;
    border-radius: 8px;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) translateX(-50%);
    transition: all 0.3s ease;
}

nav ul li:hover .sub-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0) translateX(-50%);
}

nav ul li .sub-menu li {
    display: block;
    padding: 0;
    margin: 0;
    text-align: center;
    width: 100%;
}

nav ul li .sub-menu li a {
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 12px 20px;
    display: block;
    font-size: 0.95em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

nav ul li .sub-menu li:hover {
    background: rgba(0, 123, 255, 0.05);
}

nav ul li .sub-menu li:hover a {
    color: #007bff;
}

/* 主要内容样式 */

.cta-button {
    display: inline-block;
    padding: 12px 30px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
}


/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

/* 通用标题样式 */
h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    position: relative;
}

h2:after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: #007bff;
    margin: 15px auto;
}

/* 按钮样式美化 */
.cta-button {
    display: inline-block;
    padding: 10px 25px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #0056b3;
}

/* 添加页面过渡动画 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 移动端导航样式 */
.menu-toggle {
    display: flex;
    position: relative;
    cursor: pointer;
    z-index: 1001;
    padding: 10px;
    line-height: 1;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    outline: none;
}

.menu-toggle i {
    font-size: 24px;
    color: #333;
    display: block;
    padding: 10px;
}

.menu-toggle.active .fa-bars {
    display: none;
}

.menu-toggle.active::after {
    content: '\f00d';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 24px;
    color: #333;
    padding: 10px;
}

/* 导航菜单动画效果 */
nav ul li a {
    position: relative;
    text-decoration: none;
    color: #333;
    padding: 5px 0;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #007bff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav ul li a:hover::after {
    width: 100%;
}

/* 当前活动页面的样式 */
nav ul li a.active {
    color: #007bff;
}

nav ul li a.active::after {
    width: 100%;
}

/* 移动端菜单样式 */
@media screen and (max-width: 768px) {
    header .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 60px;
    }

    .menu-toggle {
        display: flex;
    }

    nav {
        position: fixed;
        top: 40px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px); /* 减去顶部导航的高度 */
        background: #fff;
        transition: 0.3s;
        overflow-y: auto; /* 添加滚动条 */
        z-index: 999;
    }

    nav.active {
        left: 0;
    }

    nav ul {
        flex-direction: column;
        padding: 20px;
    }

    nav ul li {
        width: 100%;
        margin: 0;
        padding: 0;
    }

    nav ul li a {
        padding: 15px;
        width: 100%;
        display: block;
        border-bottom: 1px solid #eee;
    }

    /* 二级菜单样式调整 */
    .sub-menu {
        position: static !important;
        width: 90% !important;
        background: #f8f9fa !important;
        box-shadow: none !important;
        padding: 0 !important;
        display: none;
        opacity: 1 !important;
        transform: none !important;
        visibility: visible !important;
        margin-top: 0 !important;
    }

    nav ul li:hover .sub-menu {
        display: block;
    }

    nav ul li:focus-visible .sub-menu {
        display: none;
    }
    

    .sub-menu li {
        padding: 0;
    }

    .sub-menu a {
        padding: 12px 25px !important;
        color: #666 !important;
    }

    /* 添加展开指示器 */
    nav ul li {
        position: relative;
    }

    nav ul li::after {
        content: '\f107';
        font-family: 'Font Awesome 5 Free';
        width: 15px;
        height: 25px;
        font-weight: 900;
        position: absolute;
        right: 15px;
        top: 15px;
        transition: transform 0.3s;
        transform-origin: center;
    }

    nav ul li:hover::after {
        transform: rotate(180deg);
        
    }
    nav ul li:focus-visible::after .sub-menu {
        display: none;
    }

    /* 没有子菜单的项目不显示箭头 */
    nav ul li:not(:has(.sub-menu))::after {
        display: none;
    }

    /* 添加图标 */
    nav ul li a::before {
        /* content: '';
        position: absolute;
        left: 20px;
        top: 50%;
        transform: translateY(-50%);
        width: 6px;
        height: 6px;
        border-radius: 2px;
        background: #007bff;
        opacity: 0.5;
        transition: all 0.3s ease; */
    }

    nav ul li a:hover::before,
    nav ul li a.active::before {
        opacity: 1;
        transform: translateY(-50%) scale(1.2);
    }

    /* 添加菜单项动画效果 */
    @keyframes slideIn {
        from {
            opacity: 0;
            transform: translateX(30px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    nav.active ul li {
        opacity: 1;
        transform: translateX(0);
        animation: slideIn 0.5s ease forwards;
    }

    /* 优化动画延迟 */
    nav.active ul li:nth-child(1) { animation-delay: 0.1s; }
    nav.active ul li:nth-child(2) { animation-delay: 0.15s; }
    nav.active ul li:nth-child(3) { animation-delay: 0.2s; }
    nav.active ul li:nth-child(4) { animation-delay: 0.25s; }
    nav.active ul li:nth-child(5) { animation-delay: 0.3s; }
    nav.active ul li:nth-child(6) { animation-delay: 0.35s; }
    nav.active ul li:nth-child(7) { animation-delay: 0.4s; }
    nav.active ul li:nth-child(8) { animation-delay: 0.45s; }

    /* 菜单关闭按钮样式优化 */
    .menu-toggle.active::after {
        color: #007bff;
    }

    /* 添加菜单标题 */
    nav::before {
        content: '';
        position: absolute;
        top: 25px;
        left: 30px;
        font-size: 1.2em;
        color: #007bff;
        font-weight: 500;
    }

    nav ul li .sub-menu {
        position: static;
        transform: none;
        box-shadow: none;
        padding: 0;
        background: transparent;
        display: none;
        opacity: 1;
        visibility: visible;
        margin-left: 30px;
        border-left: 2px solid rgba(0, 123, 255, 0.1);
        min-width: auto;
        width: calc(100% - 30px);
    }

    nav ul li .sub-menu li {
        text-align: left;
    }

    nav ul li .sub-menu li a {
        padding: 10px 20px;
        font-size: 0.9em;
        color: #666;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    nav ul li .sub-menu li:hover {
        background: rgba(0, 123, 255, 0.05);
    }

    nav ul li .sub-menu li:hover a {
        color: #007bff;
    }

    .search-icon {
        margin-right: 50px; /* 为移动端菜单按钮留出空间 */
    }
}

/* PC端布局 */
@media screen and (min-width: 769px) {
    header .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 80px;
    }

    .menu-toggle {
        display: none;
    }

    nav ul {
        display: flex;
        margin: 0;
    }
}

/* 关于我们页面样式 */
.about-banner {
    height: 300px;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/about-banner.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: white;
    margin-top: 80px;
    position: relative;
}

.about-banner h1 {
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    text-align: center;
    margin-top: 50px;
}

/* 位置导航栏样式 */
.location-bar {
    background: #f8f9fa;
    padding: 0;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.location-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px;
}

.location-info {
    display: flex;
    align-items: center;
    color: #666;
    font-size: 14px;
}

.location-info i {
    color: #007bff;
    margin-right: 8px;
    font-size: 16px;
}

.location-info a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.location-info a:hover {
    color: #0056b3;
}

.location-info .separator {
    margin: 0 8px;
    color: #999;
}

.location-info .current {
    color: #666;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    padding: 15px 0;
}

.nav-links a:hover {
    color: #007bff;
}

.nav-links a.active {
    color: #007bff;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #007bff;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .location-bar {
        display: none;
    }

    .about-section {
        padding: 40px 0;
    }

    .location-bar .container {
        flex-direction: column;
        height: auto;
        padding: 5px 15px;
        gap: 10px;
    }

    .nav-links {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 5px;
        -webkit-overflow-scrolling: touch;
        gap: 20px;
    }

    .nav-links::-webkit-scrollbar {
        height: 3px;
    }

    .nav-links::-webkit-scrollbar-thumb {
        background: #007bff;
        border-radius: 3px;
    }

    .nav-links a {
        white-space: nowrap;
        font-size: 13px;
        padding: 10px 0;
    }
}

.about-section {
    padding: 80px 0;
    background: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 40px;
    align-items: center;
}

/* 公司简介部分 */
.about-text {
    padding: 30px;
}

.about-text h3 {
    color: #007bff;
    font-size: 1.8em;
    margin-bottom: 20px;
    position: relative;
    padding-left: 15px;
}

.about-text h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 25px;
    background: #007bff;
    border-radius: 2px;
}

.about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.1em;
}

.about-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* 企业文化部分 */
.values-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.value-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,123,255,0.1);
}

.value-icon {
    font-size: 2.5em;
    color: #007bff;
    margin-bottom: 20px;
}

/* 发展历程部分 */
.timeline {
    position: relative;
    padding: 20px 0;
    margin: 30px 0;
    overflow: hidden;
}

.timeline-wrapper {
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}

.timeline-line {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 2px;
    background: linear-gradient(90deg, #007bff, #00a0ff);
    transform: translateY(-50%);
}

.timeline-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: #fff;
    border: none;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #007bff;
    transition: all 0.3s ease;
}

.timeline-nav:hover {
    background: #007bff;
    color: #fff;
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

.timeline-nav.prev {
    left: 10px;
}

.timeline-nav.next {
    right: 10px;
}

.timeline-items {
    display: flex;
    transition: transform 0.5s ease;
    padding: 0 40px;
    cursor: grab;
}

.timeline-items:active {
    cursor: grabbing;
}

.timeline-item {
    flex: 0 0 400px;
    margin: 0 30px;
    position: relative;
    padding: 80px 0;
}

.timeline-year {
    color: #007bff;
    font-size: 1.8em;
    font-weight: bold;
    text-align: center;
    position: absolute;
    width: 100%;
    top: 50%;
    transform: translateY(-120%);
    z-index: 2;
}

.timeline-item:nth-child(even) .timeline-year {
    transform: translateY(10%);
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: #fff;
    border: 3px solid #007bff;
    border-radius: 50%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    transition: all 0.3s ease;
    box-shadow: 0 0 0 4px rgba(0,123,255,0.1);
}

.timeline-item:hover .timeline-dot {
    transform: translate(-50%, -50%) scale(1.2);
    background: #007bff;
    box-shadow: 0 0 0 6px rgba(0,123,255,0.2);
}

.timeline-content {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
   position: relative;
   top: -100px;
}

.timeline-item:nth-child(even) .timeline-content {
    position: relative;
   top: 130px;
}

.timeline-content p {
    color: #666;
    line-height: 1.5;
    margin: 0;
    font-size: 0.9em;
}

.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,123,255,0.2);
}

/* 公司简介部分样式优化 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2em;
    color: #333;
    margin-bottom: 10px;
}

.en-title {
    color: #666;
    font-size: 1.1em;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 25px;
    font-size: 1.1em;
    text-align: justify;
}

.about-data {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
    text-align: center;
}

.data-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.data-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,123,255,0.1);
}

.data-item .number {
    font-size: 2.5em;
    font-weight: bold;
    color: #007bff;
    display: inline-block;
}

.data-item .unit {
    font-size: 1.2em;
    color: #007bff;
    margin-left: 2px;
}

.data-item p {
    margin-top: 10px;
    color: #666;
    font-size: 1em;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .about-data {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .data-item {
        padding: 15px;
    }
    
    .data-item .number {
        font-size: 2em;
    }
}

/* 添加连接线 */
.timeline-content::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, #007bff, transparent);
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::after {
    bottom: -50px;
}

.timeline-item:nth-child(even) .timeline-content::after {
    top: -40px;
    background: linear-gradient(to top, #007bff, transparent);
}



@media screen and (max-width: 768px) {
    /* Banner优化 */
    .about-banner {
        height: 200px;
        margin-top: 60px;
    }

    .about-banner h1 {
        font-size: 2em;
        margin-top: 0;
    }

    /* 隐藏位置导航 */
    .location-bar {
        display: none;
    }

    /* 内容区域优化 */
    .about-section {
        padding: 30px 0;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-header h2 {
        font-size: 1.8em;
    }

    .en-title {
        font-size: 1em;
    }

    /* 公司简介部分优化 */
    .about-content {
        flex-direction: column;
        padding: 20px;
    }

    .about-text {
        width: 100%;
        padding-right: 0;
        margin-bottom: 30px;
    }

    .about-image {
        width: 100%;
        margin-top: 20px;
    }

    .about-image img {
        height: 200px;
        object-fit: cover;
        border-radius: 10px;
    }

    .about-data {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-top: 30px;
        padding: 20px;
    }

    .data-item {
        padding: 15px;
        min-height: auto;
    }

    .data-item .number {
        font-size: 2em;
    }

    .data-item .unit {
        font-size: 1em;
    }

    .data-item p {
        font-size: 0.9em;
        margin-top: 5px;
    }

    /* 优化标题样式 */
    .section-header {
        padding: 0 20px;
        margin-bottom: 30px;
    }

    .section-header h2 {
        font-size: 1.8em;
    }

    .en-title {
        font-size: 1em;
    }

    /* 优化段落文本样式 */
    .about-text p {
        font-size: 0.95em;
        line-height: 1.8;
        margin-bottom: 15px;
        text-align: justify;
    }
}

/* 添加数据项的动画效果 */
.data-item {
    position: relative;
    overflow: hidden;
    background: white;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.data-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,123,255,0.15);
}

.data-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00a0ff);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.data-item:hover::before {
    transform: scaleX(1);
}

/* 优化数字显示效果 */
.data-item .number {
    font-size: 2.5em;
    font-weight: 700;
    color: #007bff;
    line-height: 1;
    display: inline-block;
    position: relative;
}

.data-item .unit {
    font-size: 1.2em;
    color: #007bff;
    margin-left: 2px;
}

.data-item p {
    color: #666;
    margin-top: 10px;
    font-size: 1em;
}

/* 添加图片悬停效果 */
.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.about-image img {
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* 添加渐变背景效果 */
.about-section {
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,123,255,0.03) 0%, transparent 100%);
    pointer-events: none;
}



/* 解决方案页面样式 */
.solutions-banner {
    height: 300px;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/solutions-banner.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-top: 80px;
}

.solutions-banner h1 {
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.solutions-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.solutions-layout {
    display: flex;
    gap: 40px;
}

/* 左侧栏目样式 */
.solutions-sidebar {
    flex: 0 0 250px;
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.solutions-sidebar h2 {
    color: #333;
    font-size: 1.8em;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #007bff;
}

.solutions-sidebar ul {
    list-style: none;
    padding: 0;
}

.solutions-sidebar li {
    margin-bottom: 10px;
}

.solutions-sidebar li a {
    display: block;
    padding: 12px 15px;
    color: #666;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.solutions-sidebar li:hover a,
.solutions-sidebar li.active a {
    background: #007bff;
    color: white;
    transform: translateX(5px);
}

/* 右侧内容样式 */
.solutions-content {
    flex: 1;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    margin-bottom: 40px;
}

.solution-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0,123,255,0.05);
}

.solution-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,123,255,0.12);
    border-color: rgba(0,123,255,0.1);
}

.solution-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0,123,255,0.25);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: -1;
}

.solution-card:hover::after {
    opacity: 1;
}

.solution-image {
    position: relative;
    padding-top: 70%;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.solution-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(0,0,0,0) 0%, 
        rgba(0,0,0,0.02) 50%,
        rgba(0,0,0,0.05) 100%);
    z-index: 1;
}

.solution-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, 
        rgba(255,255,255,0.1) 0%, 
        rgba(255,255,255,0) 100%);
    z-index: 2;
}

.solution-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.solution-card:hover .solution-image img {
    transform: scale(1.1) rotate(-1deg);
}

.solution-info {
    padding: 30px;
    background: white;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 3;
}

.solution-info::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 30px;
    right: 30px;
    height: 2px;
    background: linear-gradient(90deg, 
        #007bff 0%, 
        #00a0ff 50%, 
        #007bff 100%);
    transform: scaleX(0);
    transition: transform 0.5s ease;
    transform-origin: left;
}

.solution-card:hover .solution-info::before {
    transform: scaleX(1);
}

.solution-info h3 {
    margin: 0 0 15px;
    color: #2c3e50;
    font-size: 1.4em;
    font-weight: 600;
    line-height: 1.4;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 15px;
}

.solution-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: #007bff;
    transition: width 0.3s ease;
}

.solution-card:hover .solution-info h3 {
    color: #007bff;
}

.solution-card:hover .solution-info h3::after {
    width: 60px;
}

.solution-info p {
    color: #666;
    font-size: 1em;
    margin-bottom: 25px;
    line-height: 1.7;
    flex-grow: 1;
}

.solution-info .view-more {
    color: #007bff;
    text-decoration: none;
    font-size: 1em;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.4s ease;
    margin-top: auto;
    width: fit-content;
    padding: 8px 0;
    position: relative;
}

.solution-info .view-more::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #007bff;
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: right;
}

.solution-info .view-more i {
    font-size: 0.9em;
    transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.solution-info .view-more:hover {
    color: #0056b3;
    gap: 15px;
}

.solution-info .view-more:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.solution-info .view-more:hover i {
    transform: translateX(5px);
}

/* 解决方案页面响应式样式 */
@media screen and (max-width: 1200px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 992px) {
    .solutions-layout {
        flex-direction: column;
    }

    .solutions-sidebar {
        flex: none;
        width: 100%;
    }
}

@media screen and (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .solutions-banner {
        height: 200px;
        margin-top: 60px;
    }

    .solutions-banner h1 {
        font-size: 2em;
    }

    .solutions-section {
        padding: 30px 0;
    }

    .solutions-layout {
        gap: 20px;
    }
}

/* 移动端关于我们页面样式优化 */
@media screen and (max-width: 768px) {
    /* 保持原有的基础样式 */
    .about-content {
        flex-direction: column;
        padding: 20px;
    }

    /* 优化卡片样式 */
    .data-item {
        background: white;
        border-radius: 15px;
        padding: 25px 20px;
        box-shadow: 0 10px 30px rgba(0,123,255,0.08);
        display: flex;
        flex-direction: column;
        align-items: center;
        position: relative;
        overflow: hidden;
        min-height: 160px;
    }

    /* 添加卡片顶部装饰条 */
    .data-item::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, #007bff, #00a0ff);
        opacity: 0.7;
    }

    /* 数字和单位容器 */
    .data-number-container {
        display: flex;
        align-items: baseline;
        margin-bottom: 15px;
    }

    .data-item .number {
        font-size: 2.8em;
        font-weight: 700;
        color: #007bff;
        line-height: 1;
        margin-right: 5px;
    }

    .data-item .unit {
        font-size: 1.2em;
        color: #007bff;
        font-weight: 500;
    }

    .data-item p {
        color: #666;
        font-size: 1em;
        margin: 0;
        text-align: center;
        position: relative;
        padding-top: 15px;
    }

    /* 添加分隔线 */
    .data-item p::before {
        content: '';
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 30px;
        height: 2px;
        background: #e0e0e0;
    }

    /* 优化数据网格布局 */
    .about-data {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 20px;
        margin-top: 30px;
    }

    /* 添加卡片悬停效果 */
    .data-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(0,123,255,0.15);
    }

    .data-item:hover::before {
        opacity: 1;
    }

    .data-item:hover .number,
    .data-item:hover .unit {
        transform: scale(1.05);
    }

    /* 添加数字动画 */
    .data-item .number,
    .data-item .unit {
        transition: all 0.3s ease;
    }

    /* 添加背景装饰 */
    .data-item::after {
        content: '';
        position: absolute;
        bottom: 0;
        right: 0;
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, transparent 50%, rgba(0,123,255,0.03) 50%);
        border-radius: 0 0 15px 0;
    }

    /* 优化文字样式 */
    .data-item p {
        font-size: 0.95em;
        color: #555;
        font-weight: 500;
        line-height: 1.4;
    }
}

/* 添加渐入动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.data-item {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.data-item:nth-child(1) { animation-delay: 0.1s; }
.data-item:nth-child(2) { animation-delay: 0.2s; }
.data-item:nth-child(3) { animation-delay: 0.3s; }
.data-item:nth-child(4) { animation-delay: 0.4s; } 


  /* Banner样式 */
  .products-banner {
    height: 300px;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/products-banner.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-top: 80px;
}

.products-banner h1 {
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* 产品展示区样式 */
.products-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,123,255,0.15);
}

.product-image-wrapper {
    position: relative;
    padding-top: 75%;
    overflow: hidden;
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,123,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-hover {
    opacity: 1;
}

.view-detail {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #007bff;
    text-decoration: none;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.product-card:hover .view-detail {
    transform: scale(1);
}

.product-info {
    padding: 25px;
}

.product-category {
    color: #007bff;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.product-info h3 {
    margin: 0 0 15px;
    font-size: 1.3em;
    color: #333;
    font-weight: 600;
}

.product-info p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-info .cta-button {
    padding: 8px 20px;
    font-size: 0.95em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #007bff;
    border: 1px solid #007bff;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.product-info .cta-button:hover {
    background: #007bff;
    color: white;
}

.product-info .cta-button i {
    transition: transform 0.3s ease;
}

.product-info .cta-button:hover i {
    transform: translateX(5px);
}

/* 响应式调整 */
@media screen and (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .products-banner {
        height: 200px;
        margin-top: 60px;
    }

    .products-banner h1 {
        font-size: 2em;
    }

    .products-section {
        padding: 30px 0;
    }

    .product-image-wrapper {
        padding-top: 66.67%;
    }
}

/* 布局样式 */
.products-layout {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

/* 左侧边栏样式 */
.products-sidebar {
    flex: 0 0 280px;
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.products-sidebar h2 {
    color: #333;
    font-size: 1.5em;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #007bff;
    text-align: left;
}

.products-sidebar h2::after {
    display: none;
}

.products-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.products-sidebar li {
    margin-bottom: 10px;
}

.products-sidebar li a {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: #666;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.products-sidebar li.active a,
.products-sidebar li a:hover {
    background: #f8f9fa;
    color: #007bff;
    transform: translateX(5px);
}

.products-sidebar li i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.products-sidebar .count {
    margin-left: auto;
    background: #f0f0f0;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.85em;
    transition: all 0.3s ease;
}

.products-sidebar li.active .count,
.products-sidebar li:hover .count {
    background: #007bff;
    color: white;
}

/* 右侧内容区样式 */
.products-content {
    flex: 1;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.products-header h3 {
    font-size: 1.8em;
    color: #333;
    margin: 0;
}

.products-filter {
    display: flex;
    align-items: center;
    gap: 15px;
}

.products-filter span {
    color: #666;
}

.products-filter a {
    color: #666;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.products-filter a.active,
.products-filter a:hover {
    color: #007bff;
    background: #f8f9fa;
}

/* 优化分页样式 */
.pagination {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.page-item {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #dee2e6;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.page-item:hover:not(.disabled) {
    background: #f8f9fa;
    color: #007bff;
    border-color: #007bff;
}

.page-item.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.page-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-dots {
    color: #666;
    padding: 0 5px;
}

/* 响应式调整 */
@media screen and (max-width: 992px) {
    .products-layout {
        flex-direction: column;
    }

    .products-sidebar {
        flex: none;
        width: 100%;
    }

    .products-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}

@media screen and (max-width: 768px) {
    .products-filter {
        flex-wrap: wrap;
    }

    .pagination {
        gap: 5px;
    }

    .page-item {
        min-width: 35px;
        height: 35px;
    }
}




/* 新闻中心页面样式 */
.news-banner {
    height: 300px;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/news-banner.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.news-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
}

.news-banner h1 {
    font-size: 2.8em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
}

.news-section {
    padding: 60px 0;
    background: #f8f9fa;
}

/* 新闻卡片网格布局 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 新闻卡片样式优化 */
.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    position: relative;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,123,255,0.15);
}

.news-image {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image {
    transform: scale(1.05);
}

.news-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: white;
}

.news-date {
    display: inline-flex;
    align-items: center;
    color: #007bff;
    font-size: 0.95em;
    margin-bottom: 15px;
    background: rgba(0,123,255,0.1);
    padding: 6px 12px;
    border-radius: 20px;
    width: fit-content;
}

.news-date i {
    margin-right: 8px;
    font-size: 0.9em;
}

.news-title {
    font-size: 1.3em;
    color: #333;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 15px;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.8em;
}

.news-card:hover .news-title {
    color: #007bff;
}

.news-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

/* 按钮样式优化 */
.news-content .cta-button {
    padding: 10px 20px;
    font-size: 0.95em;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: #007bff;
    border: 1px solid #007bff;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    width: fit-content;
    margin-top: auto;
}

.news-content .cta-button i {
    transition: transform 0.3s ease;
}

.news-content .cta-button:hover {
    background: #007bff;
    color: white;
    transform: translateX(5px);
}

.news-content .cta-button:hover i {
    transform: translateX(5px);
}

/* 分页样式优化 */
.pagination {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.pagination a {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid #dee2e6;
    color: #666;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pagination a:hover:not(.disabled),
.pagination a.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.pagination a.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 响应式调整 */
@media screen and (max-width: 1200px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media screen and (max-width: 768px) {
    .news-banner {
        height: 200px;
        margin-top: 60px;
    }

    .news-banner h1 {
        font-size: 2em;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }

    .news-card {
        max-width: 100%;
    }

    .news-image {
        height: 200px;
    }

    .news-content {
        padding: 20px;
    }

    .news-title {
        font-size: 1.2em;
        height: auto;
        -webkit-line-clamp: 2;
    }

    .news-excerpt {
        margin-bottom: 20px;
        -webkit-line-clamp: 3;
    }

    .pagination {
        margin-top: 30px;
        gap: 5px;
    }

    .pagination a {
        min-width: 35px;
        height: 35px;
        font-size: 0.9em;
    }

}

/* 添加新闻卡片动画效果 */
.news-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.news-card:nth-child(1) { animation-delay: 0.1s; }
.news-card:nth-child(2) { animation-delay: 0.2s; }
.news-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 搜索图标样式 */
.search-icon {
    cursor: pointer;
    padding: 10px;
    color: #333;
    font-size: 18px;
    transition: color 0.3s ease;
    margin-left: 20px;
}

.search-icon:hover {
    color: #007bff;
}