/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    height: 80px;
    transition: transform 0.3s linear;
}

.header.nav-up {
    transform: translateY(-100%);
}

/* 添加占位符以防止内容跳动 */
.header-placeholder {
    height: 80px;
    width: 100%;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    margin: 0 auto;
    width: 100%;
    max-width: 1440px;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    padding: 10px 0;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 50px;
    width: auto;
    display: block;
}

.company-name {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-left: 12px;
    letter-spacing: 1px;
}

/* When header is transparent on homepage */
.header.transparent .company-name {
    color: white;
}

/* Navigation styles */
.main-nav {
    display: flex;
    align-items: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.main-nav li {
    margin: 0;
    padding: 0;
}

.main-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 5px 0;
    display: inline-block;
}

.main-nav a:hover,
.main-nav a.active {
    color: #006DDA;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    user-select: none;
}

.dropdown-toggle:hover {
    color: #006DDA;
}

.dropdown-arrow {
    font-size: 10px;
    margin-left: 8px;
    transition: transform 0.3s ease;
    color: #666;
    display: inline-block;
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
    color: #006DDA;
}

.dropdown-menu {
    position: absolute;
    top: 57px;
    left: auto;
    right: -120px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    padding: 25px;
    width: 680px;
    display: none;
    z-index: 1001;
    margin-top: 5px;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;

}

/* 防止下拉菜单超出视窗 */
@media (max-width: 720px) {
    .dropdown-menu {
        right: 10px;
        left: 10px;
        width: auto;
        padding: 25px 20px;
        gap: 25px;
        grid-template-columns: 1fr;
    }
    
    .dropdown-section {
        text-align: left;
    }
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 0;
    right: 0;
    height: 15px;
    background: transparent;
}

.dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 15px;
    background: transparent;
    z-index: 1000;
}

.dropdown:hover .dropdown-menu,
.dropdown-menu:hover {
    display: grid;
    animation: fadeInDown 0.3s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}



/* 增强下拉菜单的可访问性 */
.dropdown:focus-within .dropdown-menu {
    display: grid;
}

.dropdown-item:focus {
    outline: 2px solid #006DDA;
    outline-offset: 2px;
    background-color: rgba(0, 109, 218, 0.1);
}

.dropdown-section h4 {
    color: #333;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 3px solid #006DDA;
    position: relative;
}

.dropdown-section h4::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, #006DDA 0%, #004BA6 100%);
    border-radius: 2px;
}

.dropdown-item {
    display: block;
    padding: 10px 12px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    line-height: 1.5;
    border: none;
    border-radius: 0;
    margin-bottom: 4px;
    position: relative;
    overflow: hidden;
}

.dropdown-item:visited,
.dropdown-item:active,
.dropdown-item:focus {
    color: #666 !important;
}

.dropdown-item:hover {
    color: #006DDA !important;
    background-color: rgba(0, 109, 218, 0.08);
    transform: translateX(3px);
    padding-left: 16px;
}

.dropdown-item::before {
    content: '▶';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    color: #006DDA;
    font-size: 10px;
    transition: left 0.3s ease;
    opacity: 0;
}

.dropdown-item:hover::before {
    left: 6px;
    opacity: 1;
}

/* 移动端下拉菜单 */
@media (max-width: 768px) {
    .dropdown {
        position: relative;
    }
    
    .dropdown > a {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .dropdown > a::after {
        content: '▼';
        font-size: 12px;
        margin-left: 8px;
        transition: transform 0.3s ease;
        display: inline-block;
        color: #666;
    }
    
    .dropdown.mobile-open > a::after {
        transform: rotate(180deg);
        color: #006DDA;
    }
    
    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 0;
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(15px);
        border-radius: 0 0 12px 12px;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
        padding: 20px;
        width: 350px;
        display: none;
        z-index: 1001;
        margin-top: 8px;
        grid-template-columns: 1fr;
        gap: 20px;
        max-height: 500px;
        overflow-y: auto;

    }
    
    .dropdown-menu .dropdown-section {
        display: block;
    }
    
    .dropdown-menu .dropdown-item {
        display: block;
        visibility: visible;
        opacity: 1;
    }
    
    .dropdown.mobile-open .dropdown-menu {
        display: grid;
        animation: slideDown 0.3s ease-out;
    }
    
    .dropdown-section {
        margin-bottom: 15px;
    }
    
    .dropdown-section:last-child {
        margin-bottom: 0;
    }
    
    .dropdown-section h4 {
        font-size: 15px;
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 2px solid #006DDA;
        color: #333;
        font-weight: 600;
    }
    
    .dropdown-section .dropdown-items {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    
    .dropdown-section .dropdown-item {
        display: block;
        padding: 8px 12px;
        font-size: 14px;
        line-height: 1.4;
        color: #666;
        transition: all 0.3s ease;
        text-decoration: none;
        border-radius: 0;
        margin-bottom: 6px;
        background: transparent;
    }
    
    .dropdown-section .dropdown-item:hover {
        color: #006DDA;
        background-color: rgba(0, 109, 218, 0.08);
        transform: translateX(2px);
    }
    
    .dropdown-section .dropdown-item:not(:last-child)::after {
        display: none;
    }
    
    .dropdown-item:hover {
        color: #006DDA;
    }
    
    .dropdown-section .dropdown-item:last-child {
        border-bottom: none !important;
    }
    
    .dropdown-arrow {
        display: none;
    }
    
    /* 小屏幕设备优化 */
    @media (max-width: 480px) {
        .dropdown-menu {
            width: 300px;
            padding: 12px;
        }
        
        .dropdown-section h4 {
            font-size: 13px;
        }
        
        .dropdown-item {
            font-size: 12px;
            padding: 6px 0;
        }
        
        .main-nav.active .dropdown-menu {
            padding: 12px 0;
        }
    }
    
    /* 下拉动画 */
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* 确保下拉菜单不会超出屏幕 */
    .dropdown-menu {
        max-width: calc(100vw - 40px);
    }
    
    /* 当在移动端主菜单中时的特殊样式 */
    .main-nav.active .dropdown {
        width: 100%;
    }
    
    .main-nav.active .dropdown > a {
        width: 100%;
        padding: 10px 0;
    }
    
    .main-nav.active .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-top: 1px solid #eee;
        border-radius: 0;
        margin-top: 10px;
        width: 100%;
        max-width: none;
        padding: 15px 0;
        background: rgba(248, 249, 250, 0.8);
        backdrop-filter: blur(8px);
    }
    
    .main-nav.active .dropdown.mobile-open .dropdown-menu {
        display: grid;
    }
    
    .main-nav.active .dropdown-section h4 {
        color: #333;
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .main-nav.active .dropdown-item {
        padding: 12px 15px;
        font-size: 15px;
        margin-bottom: 8px;
        border-radius: 0;
    }
    
    .main-nav.active .dropdown-item:hover {
        background-color: rgba(0, 109, 218, 0.1);
        transform: translateX(3px);
    }
}

/* Hero section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    width: 100%;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    font-weight: 400;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.4;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 30px;
    font-weight: 300;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.4;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: #006DDA;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #004BA6;
}

/* Common section styles */
.section-title {
    font-size: 36px;
    font-weight: 600;
    color: #333;
    text-align: center;
    margin-bottom: 15px;
}

/* 标题下方的蓝色横线 */
.title-line {
    width: 50px;
    height: 4px;
    background-color: #006DDA;
    margin: 0 auto 15px;
}

/* 部分标题下方的副标题样式 */
.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 18px;
    letter-spacing: 1px;
    font-weight: 500;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
        margin-bottom: 12px;
    }
    
    .title-line {
        margin-bottom: 12px;
    }
    
    .section-subtitle {
        font-size: 16px;
        margin-bottom: 30px;
    }
}

/* Features section */
.features {
    padding: 40px 0;
    background: url('../images/features-bg.png') no-repeat center center;
    background-size: cover;
    position: relative;
    display: flex;
    align-items: center;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(248, 249, 250, 0.9);
    z-index: 0;
}

.features .section-title {
    color: #333;
    text-align: center;
    margin-bottom: 10px;
    font-size: 36px;
    font-weight: 600;
}

.features .subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 25px;
    text-align: center;
}

.features .container {
    position: relative;
    z-index: 1;
    width: 100%;
}

/* 轮播图样式 */
.carousel-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 40px auto;
    overflow: hidden;
}

.carousel-wrapper {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 100%;
}

.carousel-slide {
    flex: 0 0 100%;
    width: 100%;
    display: flex;
    justify-content: center;
}

.slide-content {
    display: flex;
    padding: 40px;
    gap: 40px;
    align-items: center;
    max-width: 1000px;
    width: 100%;
}

.slide-text {
    flex: 1;
    padding-right: 40px;
}

.slide-text h3 {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.slide-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
}

.slide-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* 轮播按钮 */
.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: #006DDA;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 10;
    transition: all 0.3s ease;
}

.carousel-button:hover {
    background: #004BA6;
    transform: translateY(-50%) scale(1.1);
}

.carousel-button.prev {
    left: 20px;
}

.carousel-button.next {
    right: 20px;
}

/* 轮播指示器 */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
}

.indicator {
    width: 8px;  /* 恢复为圆形尺寸 */
    height: 8px;  /* 恢复为圆形尺寸 */
    border-radius: 50%;  /* 设置为圆形 */
    background: #ddd;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.indicator.active {
    background: #006DDA;
    width: 24px;  /* 激活状态下为圆角矩形宽度 */
    height: 8px;  /* 保持高度 */
    border-radius: 4px;  /* 设置为圆角矩形 */
    transform: none;  /* 移除缩放效果 */
}

/* 悬停效果 */
.indicator:hover {
    background: #bbb;
    width: 12px;  /* 悬停状态下稍微变长但仍为圆形 */
    border-radius: 50%;  /* 保持圆形 */
}

.indicator.active:hover {
    background: #004BA6;
    width: 24px;  /* 激活状态下保持圆角矩形长度 */
    height: 8px;
    border-radius: 4px;  /* 保持圆角矩形 */
}

/* 响应式布局 */
@media screen and (max-width: 992px) {
    .slide-content {
        padding: 30px;
        gap: 30px;
        max-width: 800px;
    }
    
    .slide-text {
        padding-right: 30px;
    }

    .slide-text h3 {
        font-size: 24px;
    }

    .slide-text p {
        font-size: 15px;
    }
}

@media screen and (max-width: 768px) {
    .slide-content {
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        max-width: 600px;
    }
    
    .slide-text {
        order: 1;
        padding-right: 0;
    }

    .slide-image {
        order: 2;
        margin-top: 10px;
        height: 300px;  /* 设置固定高度 */
    }

    .slide-image img {
        width: 100%;
        height: 100%;  /* 图片填充容器高度 */
        object-fit: contain;  /* 保持图片比例 */
    }

    .slide-text h3 {
        font-size: 20px;
        margin-bottom: 10px;
        text-align: center;
    }

    .slide-text p {
        font-size: 14px;
        margin-bottom: 10px;
        text-align: left;
    }

    .carousel-button {
        width: 36px;
        height: 36px;
    }

    .carousel-button.prev {
        left: 10px;
    }
    
    .carousel-button.next {
        right: 10px;
    }
}

@media screen and (max-width: 480px) {
    .slide-content {
        padding: 15px;
        gap: 8px;
        max-width: 100%;
    }
    
    .slide-text h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .slide-text p {
        font-size: 13px;
        margin-bottom: 8px;
        text-align: left;
    }
    
    .slide-image {
        margin-top: 8px;
        height: 200px;  /* 更小屏幕下设置更小的固定高度 */
    }

    .carousel-button {
        width: 32px;
        height: 32px;
    }
}

/* Solutions section */
.solutions {
    padding: 80px 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.solution-card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.solution-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.solution-card:hover img {
    transform: scale(1.1);
}

.solution-card h3 {
    padding: 20px;
    margin: 0;
    background: white;
}

.solution-card p {
    padding: 0 20px 20px;
    background: white;
}

/* Footer styles - 统一自适应版本 */
.footer {
    background-color: #333;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-info,
.footer-links,
.footer-qr {
    flex: 1;
    min-width: 200px;
}

.footer-info h3,
.footer-links h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-info p {
    margin-bottom: 8px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    display: block;
    transition: color 0.3s ease;
    line-height: 1.6;
}

.footer-links a:hover {
    color: #006DDA;
}

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

.footer-qr img {
    width: 120px;
    height: auto;
    margin-bottom: 10px;
    border-radius: 8px;
}

.footer-qr p {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* 平板设备自适应 */
@media screen and (max-width: 992px) {
    .footer {
        padding: 50px 0 20px;
    }
    
    .footer-content {
        gap: 30px;
    }
    
    .footer-qr img {
        width: 100px;
    }
}

/* 移动设备自适应 */
@media screen and (max-width: 768px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        flex-direction: row;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 20px;
        margin-bottom: 30px;
    }
    
    .footer-info {
        flex: 1;
        min-width: 140px;
        margin-right: 10px;
    }
    
    .footer-links {
        flex: 0 0 auto;
        min-width: 100px;
        margin-right: 15px;
    }
    
    .footer-qr {
        flex: 0 0 auto;
        min-width: 80px;
        text-align: center;
    }
    
    .footer-info h3,
    .footer-links h3 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .footer-info p {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .footer-links a {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .footer-qr img {
        width: 90px;
        margin-bottom: 6px;
    }
    
    .footer-qr p {
        font-size: 13px;
    }
    
    .footer-bottom {
        padding-top: 15px;
        font-size: 13px;
    }
}

/* 小屏幕移动设备 */
@media screen and (max-width: 480px) {
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-content {
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .footer-info {
        min-width: 120px;
    }
    
    .footer-links {
        min-width: 90px;
    }
    
    .footer-qr {
        min-width: 70px;
    }
    
    .footer-info h3,
    .footer-links h3 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .footer-info p,
    .footer-links a {
        font-size: 13px;
    }
    
    .footer-info p {
        margin-bottom: 5px;
    }
    
    .footer-links a {
        margin-bottom: 6px;
    }
    
    .footer-qr img {
        width: 70px;
        margin-bottom: 5px;
    }
    
    .footer-qr p {
        font-size: 12px;
    }
    
    .footer-bottom {
        padding-top: 12px;
        font-size: 12px;
    }
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #333;
    transition: 0.3s;
}

/* Responsive design */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 32px;
    }

    .company-name {
        font-size: 20px;
        margin-left: 8px;
    }

    .prev-btn {
        left: -25px;
    }
    
    .next-btn {
        right: -25px;
    }
    
    .product-slider-container {
        padding: 20px 15px;
    }
}

/* Product page styles */
.product-categories {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-btn {
    padding: 10px 20px;
    border: 2px solid #006DDA;
    background: transparent;
    color: #006DDA;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn.active,
.category-btn:hover {
    background: #004BA6;
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin-bottom: 10px;
    color: #333;
}

.product-info p {
    color: #666;
    margin-bottom: 15px;
}

.product-detail-btn {
    display: inline-block;
    padding: 8px 20px;
    background: #006DDA;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.product-detail-btn:hover {
    background: #004BA6;
}

/* Case page styles */
.case-filters {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #006DDA;
    background: transparent;
    color: #006DDA;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: #004BA6;
    color: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    padding: 20px;
}

.case-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.case-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-detail-btn {
    padding: 10px 25px;
    background: #006DDA;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.case-detail-btn:hover {
    background: #004BA6;
}

.case-info {
    padding: 20px;
}

.case-info h3 {
    margin-bottom: 10px;
    color: #333;
}

.case-info p {
    color: #666;
    margin-bottom: 15px;
}

.case-stats {
    display: flex;
    justify-content: space-around;
    padding: 15px 0;
    border-top: 1px solid #eee;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #006DDA;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

/* Contact page styles */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    padding: 40px 0;
}

.contact-info {
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.info-icon {
    width: 50px;
    height: 50px;
    margin-right: 20px;
}

.info-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.info-content h3 {
    margin-bottom: 5px;
    color: #333;
}

.info-content p {
    color: #666;
    line-height: 1.6;
}

.social-media {
    margin-top: 30px;
}

.social-icons {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.social-icon:hover {
    transform: translateY(-5px);
}

.social-icon img {
    width: 20px;
    height: 20px;
}

.contact-form-container {
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: #006DDA;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #004BA6;
}

.error-message {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 5px;
}

.success-message {
    text-align: center;
    color: #28a745;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 5px;
    margin-top: 20px;
}

/* Map section */
.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* About page styles */
.company-intro {
    min-height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('../images/company-intro-bg.jpg') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
    color: white;
}

.intro-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: left;
}

.intro-content .section-title {
    font-size: 48px;
    font-weight: normal;
    margin-bottom: 40px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    text-align: left;
}

.intro-text {
    max-width: 1000px;
    margin: 0;
}

.intro-text p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    font-weight: normal;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    text-align: justify;
}

.intro-text p:last-child {
    margin-bottom: 30px;
}

.outline-button {
    display: inline-block;
    padding: 10px 30px;
    border: 1px solid #fff;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    transition: all 0.3s ease;
    background: transparent;
    border-radius: 50px;
}

.outline-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.company-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 20px;
}

.value-card {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.value-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: #006DDA;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-content {
    position: relative;
    width: calc(50% - 30px);
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background: #006DDA;
    border-radius: 50%;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    left: -40px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    right: -40px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 20px;
}

.team-member {
    text-align: center;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.member-photo {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-info {
    padding: 20px;
}

.member-info h3 {
    margin-bottom: 5px;
    color: #333;
}

.position {
    color: #006DDA;
    margin-bottom: 10px;
}

.description {
    color: #666;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-line {
        left: 20px !important;
        right: auto !important;
        width: 4px !important;
        height: 100% !important;
        top: 0 !important;
        transform: none !important;
        background: linear-gradient(to bottom, 
            rgba(79, 109, 245, 0.1) 0%,
            rgba(79, 109, 245, 1) 2%,
            rgba(79, 109, 245, 1) 98%,
            rgba(79, 109, 245, 0.1) 100%
        ) !important;
    }

    .timeline-points {
        flex-direction: column !important;
        padding: 20px 0 !important;
        margin-left: 20px !important;
        align-items: flex-start !important;
    }

    .timeline-node {
        width: 100% !important;
        margin: 30px 0 !important;
        min-width: 0 !important;
    }

    .timeline-point {
        width: calc(100% - 40px) !important;
        margin-left: 40px !important;
        min-width: 0 !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .point-content {
        position: relative !important;
        left: 0 !important;
        transform: none !important;
        width: 100% !important;
        padding: 20px !important;
        margin-bottom: 20px !important;
        text-align: left !important;
    }

    .line-dot {
        position: absolute !important;
        left: -32px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        margin: 0 !important;
    }

    .timeline-point.bottom-point {
        margin-left: 40px !important;
    }

    .timeline-point.bottom-point .point-content,
    .timeline-point:not(.bottom-point) .point-content {
        position: relative !important;
        top: 0 !important;
        bottom: 0 !important;
    }

    .point-year {
        font-size: 20px !important;
        margin-bottom: 8px !important;
    }

    .point-content h3 {
        font-size: 18px !important;
        margin-bottom: 8px !important;
    }

    .point-content p {
        font-size: 14px !important;
        line-height: 1.5 !important;
    }

    .development-timeline {
        padding: 40px 0 !important;
    }

    .development-timeline .container {
        padding: 0 20px !important;
    }

    .development-timeline .section-title {
        font-size: 28px !important;
        margin-bottom: 10px !important;
    }

    .development-timeline .subtitle {
        font-size: 16px !important;
        margin-bottom: 40px !important;
    }
}

@media (min-width: 769px) {
    .timeline-line {
        position: absolute;
        top: 50%;
        left: -26px;
        right: -26px;
        height: 4px;
        background: linear-gradient(to right, 
            rgba(79, 109, 245, 0.1) 0%,
            rgba(79, 109, 245, 1) 2%,
            rgba(79, 109, 245, 1) 98%,
            rgba(79, 109, 245, 0.1) 100%
        );
        transform: translateY(-50%);
        z-index: 0;
    }
    .timeline-points {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        position: relative;
        margin: 0;
        width: 100%;
        flex-wrap: nowrap;
        padding: 60px 10%;
        z-index: 2;
    }
    .timeline-node {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        position: relative;
        min-width: 160px;
    }
    .timeline-node .line-dot {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 16px;
        height: 16px;
        background: #fff;
        border: 3px solid #006DDA;
        border-radius: 50%;
        z-index: 3;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        pointer-events: auto;
        margin: 0;
        cursor: pointer;
    }
    .timeline-node .line-dot:hover {
        transform: translate(-50%, -50%) scale(1.3);
        background-color: #004BA6;
        box-shadow: 0 0 12px rgba(79, 109, 245, 0.6);
    }
    /* 隐藏PC端卡片上的点 */
    .timeline-point .point-dot {
        display: none;
    }

    .point-content {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        width: 200px;
        padding: 20px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 0.95;
    }

    /* 上方卡片悬浮效果 */
    .timeline-point:not(.bottom-point) .point-content:hover {
        transform: translateX(-50%) translateY(-8px);
        box-shadow: 0 8px 24px rgba(79, 109, 245, 0.15);
        opacity: 1;
    }

    /* 下方卡片悬浮效果 */
    .timeline-point.bottom-point .point-content:hover {
        transform: translateX(-50%) translateY(8px);
        box-shadow: 0 8px 24px rgba(79, 109, 245, 0.15);
        opacity: 1;
    }

    /* 卡片内容悬浮效果 */
    .point-content:hover .point-year {
        color: #004BA6;
        transform: scale(1.05);
    }

    .point-content:hover h3 {
        color: #004BA6;
    }

    /* 时间点圆点悬浮效果增强 */
    .line-dot {
        width: 16px;
        height: 16px;
        background: #fff;
        border: 3px solid #006DDA;
        border-radius: 50%;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        z-index: 3;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .line-dot:hover {
        transform: translate(-50%, -50%) scale(1.2);
        background: #004BA6;
        box-shadow: 0 0 12px rgba(79, 109, 245, 0.6);
    }

    /* 添加过渡效果 */
    .point-year {
        font-size: 20px;
        font-weight: 600;
        color: #006DDA;
        margin-bottom: 10px;
        transition: all 0.3s ease;
    }

    .point-content h3 {
        font-size: 16px;
        margin-bottom: 8px;
        color: #333;
        transition: color 0.3s ease;
    }

    .point-content p {
        font-size: 14px;
        color: #666;
        line-height: 1.5;
        transition: all 0.3s ease;
    }
}

@media (min-width: 768px) {
    .slider-wrapper {
        display: flex;
        flex-wrap: nowrap;
    }
    
    .slide {
        flex: 0 0 33.333%;
    }
}

@media (max-width: 767px) {
    .slide {
        flex: 0 0 100%;
    }
}

.slider-wrapper {
    display: flex;
    transition: transform 0.3s ease-out;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.slider-wrapper:active {
    cursor: grabbing;
}

.slide {
    flex: 0 0 100%;
    width: 100%;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* 人工智能全链路产品线 */
.product-stack {
    min-height: 100vh;
    padding: 80px 0;
    background-color: #f8f9fa;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-stack .section-title {
    margin-bottom: 15px;
    font-size: 36px;
    font-weight: 600;
    color: #333;
}

.subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 50px;
}

.product-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-item {
    flex: 0 0 calc(25% - 30px);
    min-width: 250px;
    padding: 25px 20px 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.product-icon {
    width: 100px;
    height: 70px;
    margin: 0 0 15px 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.product-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-name {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    text-align: left;
}

.product-line {
    width: 30px;
    height: 3px;
    background-color: #006DDA;
    margin: 0 0 10px 0;
}

.product-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    height: auto;
    min-height: 90px;
    overflow: visible;
    text-align: left;
}

.more-btn {
    display: inline-block;
    background-color: #006DDA;
    color: white;
    padding: 10px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
    text-align: left;
}

.more-btn:hover {
    background-color: #004BA6;
}

.arrow {
    display: inline-block;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.more-btn:hover .arrow {
    transform: translateX(5px);
}

@media (max-width: 992px) {
    .product-item {
        flex: 0 0 calc(50% - 20px);
    }
}

@media (max-width: 576px) {
    .product-item {
        flex: 0 0 100%;
    }
    
    .product-stack .section-title {
        font-size: 28px;
    }
    
    .product-desc {
        height: auto;
    }
}

/* 下方内容水平排列 - 删除冲突样式 */
.slide:first-child .product-slide-content:after,
.slide:nth-child(2) .product-slide-content:after,
.slide:nth-child(3) .product-slide-content:after {
    display: none;
}

.slide:first-child .product-info,
.slide:first-child .product-image-container,
.slide:nth-child(2) .product-info,
.slide:nth-child(2) .product-image-container,
.slide:nth-child(3) .product-info,
.slide:nth-child(3) .product-image-container {
    flex: unset;
}

.slide:first-child .product-info,
.slide:nth-child(2) .product-info,
.slide:nth-child(3) .product-info {
    padding-right: 0;
}

.slide:first-child .product-slide-content,
.slide:nth-child(2) .product-slide-content,
.slide:nth-child(3) .product-slide-content {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
}

/* 修复轮播内容布局 */
.product-slide-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 100px;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-info {
    flex: 0 0 45%;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.product-image-container {
    flex: 0 0 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 992px) {
    .product-slide-content {
        flex-direction: column;
        padding: 0 40px;
        text-align: center;
        gap: 40px;
    }
    
    .product-info,
    .slide:first-child .product-info,
    .slide:nth-child(2) .product-info,
    .slide:nth-child(3) .product-info {
        flex: 0 0 auto;
        width: 100%;
        align-items: center;
    }
    
    .product-image-container,
    .slide:first-child .product-image-container,
    .slide:nth-child(2) .product-image-container,
    .slide:nth-child(3) .product-image-container {
        flex: 0 0 auto;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* 横向排列轮播内容 */
.product-slide-horizontal {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 40px;
    min-height: 400px;
}

.product-slide-horizontal .product-info {
    flex: 1 1 0;
    max-width: 600px;
    padding-right: 40px;
    text-align: left;
}

.product-slide-horizontal .product-image-container {
    flex: 1 1 0;
    max-width: 600px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

@media (max-width: 992px) {
    .product-slide-horizontal {
        flex-direction: column;
        padding: 30px;
    }
    .product-slide-horizontal .product-info {
        padding-right: 0;
        padding-bottom: 30px;
        text-align: center;
    }
    .product-slide-horizontal .product-image-container {
        justify-content: center;
    }
}

/* 移除顶部插图样式 */
.product-top-image { display: none !important; }

/* 发展历程 */
.development-timeline {
    padding: 80px 0 120px;
    background-color: #f8f9fa;
    position: relative;
    overflow: visible;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.development-timeline::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(235,238,245,0.3) 100%);
    z-index: 1;
}

.development-timeline .container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    padding: 0 60px;
    margin: 0 auto;
    width: 100%;
}

.development-timeline .section-title {
    text-align: center;
    margin-bottom: 15px;
    color: #333;
    font-size: 36px;
    font-weight: 600;
}

.development-timeline .subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 60px;
    font-size: 18px;
    letter-spacing: 1px;
}

/* 时间轴容器样式优化 */
.timeline-container {
    position: relative;
    padding: 40px 0;
    overflow: visible;
    width: 100%;
}

.timeline-wrapper {
    position: relative;
    padding: 40px 0;
    width: 100%;
}

/* PC端时间轴样式 */
@media (min-width: 769px) {
    .timeline-line {
        position: absolute;
        top: 50%;
        left: -26px;
        right: -26px;
        height: 4px;
        background: linear-gradient(to right, 
            rgba(79, 109, 245, 0.1) 0%,
            rgba(79, 109, 245, 1) 2%,
            rgba(79, 109, 245, 1) 98%,
            rgba(79, 109, 245, 0.1) 100%
        );
        transform: translateY(-50%);
        z-index: 0;
    }

    .timeline-points {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        position: relative;
        margin: 0;
        width: 100%;
        flex-wrap: nowrap;
        padding: 60px 10%;
        z-index: 2;
    }

    .timeline-node {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        position: relative;
        min-width: 160px;
    }

    .timeline-point {
        position: relative;
        width: 100%;
        text-align: center;
    }

    .timeline-point.bottom-point {
        margin-top: 80px;
    }

    .timeline-point:not(.bottom-point) {
        margin-bottom: 80px;
    }

    .point-content {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        width: 200px;
        padding: 20px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 0.95;
    }

    .timeline-point.bottom-point .point-content {
        top: 30px;
    }

    .timeline-point:not(.bottom-point) .point-content {
        bottom: 30px;
    }

    .point-year {
        font-size: 20px;
        font-weight: 600;
        color: #006DDA;
        margin-bottom: 10px;
    }

    .point-content h3 {
        font-size: 16px;
        margin-bottom: 8px;
        color: #333;
        transition: color 0.3s ease;
    }

    .point-content p {
        font-size: 14px;
        color: #666;
        line-height: 1.5;
        transition: all 0.3s ease;
    }

    .line-dot {
        width: 16px;
        height: 16px;
        background: #fff;
        border: 3px solid #006DDA;
        border-radius: 50%;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        z-index: 3;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .line-dot:hover {
        transform: translate(-50%, -50%) scale(1.2);
        background: #004BA6;
        box-shadow: 0 0 12px rgba(79, 109, 245, 0.6);
    }

    /* 上方卡片悬浮效果 */
    .timeline-point:not(.bottom-point) .point-content:hover {
        transform: translateX(-50%) translateY(-8px);
        box-shadow: 0 8px 24px rgba(79, 109, 245, 0.15);
        opacity: 1;
    }

    /* 下方卡片悬浮效果 */
    .timeline-point.bottom-point .point-content:hover {
        transform: translateX(-50%) translateY(8px);
        box-shadow: 0 8px 24px rgba(79, 109, 245, 0.15);
        opacity: 1;
    }

    /* 卡片内容悬浮效果 */
    .point-content:hover .point-year {
        color: #004BA6;
        transform: scale(1.05);
    }

    .point-content:hover h3 {
        color: #004BA6;
    }
}

/* 移动端时间轴样式 */
@media screen and (max-width: 768px) {
    .development-timeline {
        padding: 40px 0;
    }

    .development-timeline .container {
        padding: 0 20px;
    }

    .development-timeline .section-title {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .development-timeline .subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .timeline-wrapper {
        padding: 0;
    }

    .timeline-line {
        position: absolute;
        left: 20px;
        top: 0;
        bottom: 0;
        width: 4px;
        background: linear-gradient(to bottom, 
            rgba(79, 109, 245, 0.1) 0%,
            rgba(79, 109, 245, 1) 2%,
            rgba(79, 109, 245, 1) 98%,
            rgba(79, 109, 245, 0.1) 100%
        );
    }

    .timeline-points {
        display: flex;
        flex-direction: column;
        padding: 0;
        margin-left: 20px;
    }

    .timeline-node {
        width: 100%;
        margin: 30px 0;
        position: relative;
    }

    .timeline-point {
        width: calc(100% - 40px);
        margin-left: 40px;
        opacity: 1;
        transform: none;
    }

    .point-content {
        position: relative;
        left: 0;
        transform: none;
        width: 100%;
        padding: 20px;
        margin-bottom: 20px;
        text-align: left;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .point-year {
        font-size: 20px;
        color: #006DDA;
        margin-bottom: 8px;
    }

    .point-content h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .point-content p {
        font-size: 14px;
        line-height: 1.5;
        color: #666;
    }

    .line-dot {
        position: absolute;
        left: -32px;
        top: 50%;
        transform: translateY(-50%);
        width: 16px;
        height: 16px;
        background: #fff;
        border: 3px solid #006DDA;
        border-radius: 50%;
        z-index: 3;
    }

    .timeline-point.bottom-point {
        margin-left: 40px;
    }

    .timeline-point.bottom-point .point-content {
        top: 0;
    }

    .timeline-point:not(.bottom-point) .point-content {
        bottom: 0;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 109, 245, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(79, 109, 245, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(79, 109, 245, 0);
    }
}

/* 为轮播页1、2、3的图片容器调整尺寸 */
.slide:nth-child(1) .product-image-container,
.slide:nth-child(2) .product-image-container,
.slide:nth-child(3) .product-image-container {
    padding: 0;
    height: 320px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 确保轮播页1、2、3中的图片保持适当比例 */
.slide:nth-child(1) .product-screenshot,
.slide:nth-child(2) .product-screenshot,
.slide:nth-child(3) .product-screenshot {
    height: 85%;
    width: auto;
    max-width: 85%;
    object-fit: contain;
}

/* 添加响应式样式 */
@media (max-width: 992px) {
    .slide:nth-child(1) .product-image-container,
    .slide:nth-child(2) .product-image-container,
    .slide:nth-child(3) .product-image-container {
        height: 280px;
    }
}

@media (max-width: 576px) {
    .slide:nth-child(1) .product-image-container,
    .slide:nth-child(2) .product-image-container,
    .slide:nth-child(3) .product-image-container {
        height: 240px;
    }
}

/* 针对轮播页1、2、3特别强调等宽 */
.slide:nth-child(1) .product-info,
.slide:nth-child(2) .product-info,
.slide:nth-child(3) .product-info,
.slide:nth-child(1) .product-image-container,
.slide:nth-child(2) .product-image-container,
.slide:nth-child(3) .product-image-container {
    flex: 0 0 50% !important;
    width: 50% !important;
    max-width: 50% !important;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .product-slide-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .product-info,
    .product-image-container,
    .slide:nth-child(1) .product-info,
    .slide:nth-child(2) .product-info,
    .slide:nth-child(3) .product-info,
    .slide:nth-child(1) .product-image-container,
    .slide:nth-child(2) .product-image-container,
    .slide:nth-child(3) .product-image-container {
        flex: 0 0 100% !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .product-info {
        padding: 20px;
    }

    .product-image-container {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
    }
}

/* 隐藏"经济版"滚动页 */
/* .slide[data-title="经济版"],
.slide:has(.product-main-title:contains("经济版")),
.slide:has(.product-info:contains("经济版")) {
    display: none !important;
} */

/* 备选方案 - 如果上面的选择器不起作用，可以使用基于索引的选择器 */
/* 假设"经济版"是第4个滚动页 */
/* .slide:nth-child(4) {
    display: none !important;
} */

/* 删除特定于"经济版"规格表的样式 */
/* 新的规格布局 - 标题和内容在同一行 */
/* .specs-container {
    margin: 10px 0;
}

.spec-item {
    display: flex;
    margin-bottom: 10px;
    align-items: baseline;
}

.spec-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    width: 80px;
    flex: 0 0 80px;
    position: relative;
}

.spec-title::after {
    content: ":";
    position: absolute;
    right: 5px;
}

.spec-description {
    font-size: 15px;
    color: #555;
    line-height: 1.5;
    flex: 1;
}

@media (max-width: 768px) {
    .spec-title {
        font-size: 15px;
        width: 70px;
        flex: 0 0 70px;
    }
    
    .spec-description {
        font-size: 14px;
    }
    
    .spec-item {
        margin-bottom: 8px;
    }
} */

/* 合作伙伴模块 */
.partners {
    padding: 80px 0;
    background-color: #fff;
}

.partners .section-title {
    color: #333;
    text-align: center;
    margin-bottom: 10px;
    font-size: 36px;
    font-weight: 600;
}

.partners .subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 25px;
    text-align: center;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 固定PC端每行5个卡片 */
    gap: 25px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.partner-card {
    background: #fff;
    border-radius: 10px;
    padding: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100px; /* 固定高度，使卡片更整齐 */
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.partner-card img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .partners-grid {
        grid-template-columns: repeat(4, 1fr); /* 平板设备每行4个卡片 */
    }
}

@media (max-width: 768px) {
    .partners {
        padding: 60px 0;
    }

    .partners-grid {
        grid-template-columns: repeat(3, 1fr) !important; /* 强制每行3个卡片 */
        gap: 30px; /* 再增加10px间距，总共增加15px */
        padding: 10px;
    }

    .partner-card {
        padding: 12px; /* 适当内边距 */
        height: 80px; /* 减小高度 */
    }
    
    .partners .section-title {
        font-size: 28px; /* 减小标题字体大小 */
    }
    
    .partners .subtitle {
        font-size: 16px; /* 减小副标题字体大小 */
        margin-bottom: 30px; /* 减小底部间距 */
    }
}

/* 超小屏幕保持3个卡片一行，优化样式 */
@media (max-width: 480px) {
    .partners-grid {
        grid-template-columns: repeat(3, 1fr) !important; /* 强制保持3个卡片一行 */
        gap: 23px; /* 再增加10px间距，总共增加15px */
    }
    
    .partner-card {
        padding: 6px; /* 减小内边距以适应更小屏幕 */
        box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05); /* 减小阴影 */
        height: 60px; /* 进一步减小高度 */
    }
}

/* 配置表格样式 */
.specs-table {
    width: 100%;
    margin: 10px 0;
    overflow: auto;
    max-height: 400px;
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.specs-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 8px 5px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.specs-table .spec-name {
    width: 110px;
    font-weight: 600;
    color: #ffffff;
    opacity: 0.9;
}

.specs-table .spec-value {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .specs-table {
        max-height: 350px;
        font-size: 13px;
    }
    
    .specs-table .spec-name {
        width: 100px;
    }
    
    .specs-table td {
        padding: 6px 4px;
    }
}

/* 紧凑文本样式 */
.compact-text {
    margin-top: -15px !important;
    line-height: 1.6 !important;
}

/* 时间点卡片中的年份样式 */
.point-year {
    font-size: 18px;
    font-weight: 700; /* 加粗 */
    color: #006DDA; /* 蓝色 */
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

/* 悬停效果 - 年份稍微变大 */
.point-content:hover .point-year {
    transform: scale(1.1);
}

/* 产品展示平铺样式 */
.products-showcase {
    display: flex;
    flex-direction: column;
    gap: 80px;
    padding: 40px 0;
    width: 100%;
}

.product-showcase-item {
    width: 100%;
    padding: 40px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-showcase-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-showcase-item .product-slide-content {
    padding: 0;
}

.product-showcase-item .product-subtitle {
    color: #333;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 15px;
}

.product-showcase-item .product-subtitle:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: #006DDA;
}

.product-showcase-item .product-description {
    color: #555;
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
    margin-top: 15px;
}

.product-showcase-item .product-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase-item .product-screenshot {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: none;
}

@media (max-width: 992px) {
    .products-showcase {
        gap: 50px;
    }
    
    .product-showcase-item {
        padding: 30px 20px;
    }
    
    .product-showcase-item .product-subtitle {
        padding-bottom: 12px;
    }
    
    .product-showcase-item .product-subtitle:after {
        width: 40px;
    }
}

@media (max-width: 768px) {
    .products-showcase {
        gap: 40px;
    }
    
    .product-showcase-item {
        padding: 20px 15px;
    }
    
    .product-showcase-item .product-subtitle {
        font-size: 20px;
        padding-bottom: 10px;
    }
    
    .product-showcase-item .product-subtitle:after {
        width: 35px;
        height: 2px;
    }
    
    .product-showcase-item .product-description {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .product-slide-content {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .product-info {
        width: 100%;
        order: 1;
        padding-right: 0;
    }

    .product-image-container {
        width: 100%;
        order: 2;
        margin-top: 20px;
    }

    .product-screenshot {
        max-height: 300px;
        width: 100%;
        object-fit: contain;
    }

    /* 移除可能导致第一页图片错位的样式 */
    .slide:first-child .product-slide-content,
    .slide:first-child .product-info,
    .slide:first-child .product-image-container,
    .slide:first-child .product-screenshot {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
    }
}

/* 确保所有轮播页的图片容器样式一致 */
.product-image-container {
    width: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-screenshot {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* 移动端样式 */
@media screen and (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem !important;
        line-height: 1.2;
    }
    .hero p {
        font-size: 1.4rem !important;
        line-height: 1.2;
    }
}

@media screen and (max-width: 576px) {
    .hero h1 {
        font-size: 2.2rem !important;
        line-height: 1.2;
    }
    .hero p {
        font-size: 1.4rem !important;
        line-height: 1.2;
    }
}

@media screen and (max-width: 375px) {
    .hero h1 {
        font-size: 2rem !important;
        line-height: 1.2;
    }
    .hero p {
        font-size: 1.3rem !important;
        line-height: 1.2;
    }
}

.timeline-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0;
}

.timeline-header + .timeline-container {
    margin-top: 40px;
}

@media (max-width: 768px) {
    .timeline-header {
        margin-top: 50px !important;
    }
}

/* Mobile Timeline Styles - 使用独立圆点元素确保精确定位 */
@media screen and (max-width: 768px) {
    /* 隐藏桌面版时间线 */
    .timeline-wrapper {
        display: none !important;
    }
    
    .mobile-timeline {
        display: block !important;
        padding: 40px 0;
        margin: 30px auto;
        position: relative;
        max-width: 600px;
    }

    /* 中央垂直线 - 固定宽度4px，上下端都超出卡片 */
    .mobile-timeline-line {
        position: absolute;
        left: 50%;
        top: -30px; /* 上端延伸超出容器 */
        bottom: -30px; /* 下端延伸超出容器 */
        width: 4px;
        background: linear-gradient(to bottom, 
            rgba(79, 109, 245, 0) 0%,
            rgba(79, 109, 245, 0.1) 2%,
            rgba(79, 109, 245, 1) 5%,
            rgba(79, 109, 245, 1) 95%,
            rgba(79, 109, 245, 0.1) 98%,
            rgba(79, 109, 245, 0) 100%
        );
        transform: translateX(-50%);
        z-index: 1;
    }

    /* 圆点容器 - 独立于时间线项目 */
    .mobile-timeline-dots {
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        z-index: 5;
        pointer-events: none; /* 确保不会阻挡点击事件 */
    }

    /* 圆点样式 - 绝对定位在时间线上 */
    .mobile-timeline-dot {
        position: absolute;
        width: 16px;
        height: 16px;
        background: #fff;
        border: 3px solid #006DDA;
        border-radius: 50%;
        left: 50%;
        transform: translateX(-50%);
        z-index: 10;
    }

    /* 为每个圆点设置垂直位置 - 再次增大间距 */
    .mobile-timeline-dot[data-year="2015"] {
        top: 110px; /* 保持第一个圆点位置不变 */
    }
    
    .mobile-timeline-dot[data-year="2018"] {
        top: 280px; /* 原来是260px，再增加20px间距 */
    }
    
    .mobile-timeline-dot[data-year="2022"] {
        top: 450px; /* 原来是410px，再增加40px间距（2个圆点的增量） */
    }
    
    .mobile-timeline-dot[data-year="2024"] {
        top: 620px; /* 原来是560px，再增加60px间距（3个圆点的增量） */
    }
    
    .mobile-timeline-dot[data-year="2025"] {
        top: 790px; /* 原来是710px，再增加80px间距（4个圆点的增量） */
    }

    /* 时间线项目基本样式 */
    .mobile-timeline-item {
        position: relative;
        width: calc(50% - 20px);
        margin-bottom: 50px;
        clear: both;
    }

    /* 左侧卡片 */
    .mobile-timeline-item:nth-child(odd) {
        float: left;
        padding-right: 40px;
    }

    /* 右侧卡片 */
    .mobile-timeline-item:nth-child(even) {
        float: right;
        padding-left: 40px;
    }

    /* 内容卡片样式 */
    .mobile-timeline-content {
        background: #fff;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .mobile-timeline-year {
        font-size: 20px;
        font-weight: 600;
        color: #006DDA;
        margin-bottom: 8px;
    }

    .mobile-timeline-content h3 {
        font-size: 16px;
        margin-bottom: 8px;
        color: #333;
    }

    .mobile-timeline-content p {
        font-size: 14px;
        color: #666;
        line-height: 1.5;
        margin: 0;
    }

    /* 清除浮动 */
    .mobile-timeline::after {
        content: '';
        display: table;
        clear: both;
    }

    /* 最后一个项目底部间距 */
    .mobile-timeline-item:last-child {
        margin-bottom: 0;
    }
    
    /* 删除之前的伪元素圆点 */
    .mobile-timeline-item::before {
        display: none;
    }
    
    /* 各年份卡片位置调整，与圆点水平居中 */
    .mobile-timeline-item {
        position: absolute;
        margin: 0;
        width: calc(50% - 20px);
    }
    
    .timeline-2015 {
        top: 110px; /* 与2015年圆点的top值一致 */
        left: 0;
    }
    
    .timeline-2018 {
        top: 280px; /* 与2018年圆点的top值一致 */
        right: 0;
    }
    
    .timeline-2022 {
        top: 450px; /* 与2022年圆点的top值一致 */
        left: 0;
    }
    
    .timeline-2024 {
        top: 620px; /* 与2024年圆点的top值一致 */
        right: 0;
    }
    
    .timeline-2025 {
        top: 790px; /* 与2025年圆点的top值一致 */
        left: 0;
    }
    
    /* 确保时间线容器有足够的高度和溢出可见 */
    .mobile-timeline {
        height: 900px;
        position: relative;
        overflow: visible; /* 确保超出部分可见 */
        padding-bottom: 30px; /* 为下端超出部分留出空间 */
    }
    
    /* 超小屏幕样式 - 单列布局 */
    @media screen and (max-width: 480px) {
        .mobile-timeline-line {
            left: 8px; /* 时间线位于左侧 */
            transform: none;
            top: -30px; /* 上端延伸超出容器 */
            bottom: -30px; /* 下端延伸超出容器 */
        }
        
        .mobile-timeline-item {
            width: calc(100% - 40px);
            left: auto !important;
            right: 0 !important;
            padding-left: 20px;
            padding-right: 0;
        }
        
        /* 所有圆点位于左侧时间线上 */
        .mobile-timeline-dot {
            left: 8px;
            transform: translateX(0);
        }
        
        /* 确保时间线容器有足够的高度和溢出可见 */
        .mobile-timeline {
            height: 1100px;
            overflow: visible; /* 确保超出部分可见 */
            padding-bottom: 30px; /* 为下端超出部分留出空间 */
        }
    }
}

/* 确保桌面版正常显示 */
@media screen and (min-width: 769px) {
    .mobile-timeline {
        display: none !important;
    }
    
    .timeline-wrapper {
        display: block !important;
    }
}

/* 产品优势模块中的蓝色分隔线 */
.feature-divider {
    width: 40px;
    height: 3px;
    background-color: #006DDA;
    margin: 15px auto;
}

/* 产品优势模块中的标题和分隔线容器 */
.feature-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.feature-title {
    margin: 0;
}

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.feature-content {
    margin-top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* 服务特点模块 - 统一自适应样式 */
.service-features-wrapper {
    position: relative;
    z-index: 5;
    margin: 0;
    padding: 0;
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.service-features {
    background-color: #006DDA;
    padding: 40px 0;
    color: white;
    position: relative;
    z-index: 10;
}

.service-features .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.service-features .feature-item {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
    text-align: center;
    padding: 0 10px;
    box-sizing: border-box;
}

.service-features .feature-icon {
    margin-right: 12px;
    flex-shrink: 0;
}

.service-features .feature-icon svg {
    width: 40px;
    height: 40px;
}

.service-features .feature-text h3 {
    font-size: 18px;
    margin: 0;
    font-weight: 500;
    line-height: 1.3;
    white-space: nowrap;
}

/* 平板设备自适应 */
@media screen and (max-width: 992px) {
    .service-features {
        padding: 35px 0;
    }
    
    .service-features .container {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .service-features .feature-item {
        flex: 0 0 calc(50% - 7.5px);
        margin: 8px 0;
        padding: 0 5px;
    }
    
    .service-features .feature-icon {
        margin-right: 10px;
    }
    
    .service-features .feature-icon svg {
        width: 36px;
        height: 36px;
    }
    
    .service-features .feature-text h3 {
        font-size: 17px;
    }
}

/* 移动设备自适应 */
@media screen and (max-width: 768px) {
    .service-features {
        padding: 30px 0;
    }
    
    .service-features .container {
        padding: 0 15px;
        gap: 12px;
    }
    
    .service-features .feature-item {
        flex: 0 0 calc(50% - 6px);
        margin: 6px 0;
        padding: 0;
        text-align: left;
        justify-content: flex-start;
    }
    
    .service-features .feature-icon {
        margin-right: 8px;
    }
    
    .service-features .feature-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .service-features .feature-text h3 {
        font-size: 16px;
        white-space: normal;
        line-height: 1.2;
    }
}

/* 小屏幕移动设备 */
@media screen and (max-width: 480px) {
    .service-features {
        padding: 25px 0;
    }
    
    .service-features .container {
        padding: 0 10px;
        gap: 10px;
    }
    
    .service-features .feature-item {
        flex: 0 0 calc(50% - 5px);
        margin: 5px 0;
    }
    
    .service-features .feature-icon {
        margin-right: 6px;
    }
    
    .service-features .feature-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .service-features .feature-text h3 {
        font-size: 14px;
        line-height: 1.1;
    }
}

/* 超小屏幕设备 */
@media screen and (max-width: 360px) {
    .service-features {
        padding: 20px 0;
    }
    
    .service-features .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .service-features .feature-item {
        flex: 0 0 auto;
        width: 100%;
        margin: 0;
        padding: 8px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .service-features .feature-item:last-child {
        border-bottom: none;
    }
    
    .service-features .feature-text h3 {
        font-size: 15px;
    }
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 80px;
    height: 80px;
    background-color: #006DDA;
    color: white;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    padding: 10px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #004BA6;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.back-to-top svg {
    width: 32px;
    height: 32px;
    margin-bottom: 5px;
}

.back-to-top-text {
    font-size: 12px;
    text-align: center;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .back-to-top {
        width: 70px;
        height: 70px;
        bottom: 20px;
        right: 20px;
        padding: 8px;
    }
    
    .back-to-top svg {
        width: 28px;
        height: 28px;
    }
    
    .back-to-top-text {
        font-size: 11px;
    }
}

.contact-link-btn:hover {
    color: #004BA6 !important;
    text-decoration: underline;
    cursor: pointer;
}

.product-desc br {
    display: block;
    margin-top: 4px;
    margin-bottom: 4px;
    content: "";
}