/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部信息栏样式 */
.top-bar {
    background-color: #f5f5f5;
    border-bottom: 1px solid #e0e0e0;
    padding: 8px 0;
    font-size: 14px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left .welcome-text {
    color: #666;
    font-weight: 400;
}

.top-bar-right {
    display: flex;
    gap: 20px;
    align-items: center;
}

.contact-info {
    color: #666;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.contact-info:hover {
    color: #333;
}

.phone-icon, .email-icon {
    font-size: 12px;
}

/* Header样式 */
.header {
    background: linear-gradient(135deg, #efefef 0%, #ececec 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

/* Logo样式 */
.logo {
    display: flex;
    align-items: center;
}

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

.logo-img {
    height: 50px;
    width: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

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

/* 导航栏样式 */
.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 100px;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: rgb(11, 0, 0);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: relative;
    top: 0;
    left: 0%;
    width: 150%;
    height: 150%;
    background: rgba(187, 146, 25, 0.1);
    transition: left 0.3s ease;
    border-radius: 25px;
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover {
    color: #07338a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.nav-btn {
    display: inline-block;
    color: #333;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    background: transparent;
    margin: 0 4px;
}

.nav-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #0070c0;
}

/* 下拉菜单样式 */
.nav-item {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    min-width: 200px;
    padding: 8px 0;
    z-index: 1001;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.nav-item:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    border-radius: 6px;
    margin: 0 8px;
}

.dropdown-item:hover {
    background: rgba(0, 112, 192, 0.1);
    color: #0070c0;
    transform: translateX(5px);
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 移动端下拉菜单样式 */
.mobile-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(0, 0, 0, 0.05);
}

.mobile-dropdown.show {
    max-height: 200px;
}

.mobile-nav-sub {
    padding-left: 30px;
    font-size: 14px;
    border: none !important;
}

/* 移动端下拉触发器的点击事件样式 */
.mobile-nav-btn.dropdown-trigger {
    cursor: pointer;
    position: relative;
}

/* 移动端汉堡菜单 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 移动端导航菜单 */
.mobile-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

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

.mobile-nav-item {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-nav-item:last-child {
    border-bottom: none;
}

.mobile-nav-btn {
    display: block;
    color: #333;
    text-decoration: none;
    padding: 15px 20px;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    border-bottom: 1px solid #eee;
}

.mobile-nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #0070c0;
}

/* 轮播图样式 */
.banner-section {
    position: relative;
    height: 500px;
    overflow: hidden;
    background: linear-gradient(135deg, #eaeaec 0%, #0f1129 100%);
}

.banner-container {
    position: relative;
    height: 100%;
    width: 100%;
    margin: 0;
}

.banner-slider {
    position: relative;
    height: 100%;
    width: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: all 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 50px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: translateX(100%);
}

.banner-slide.active {
    opacity: 1;
    z-index: 2;
    transform: translateX(0);
    animation: kenBurnsEffect 20s infinite alternate ease-in-out;
}

.banner-slide:not(.active) {
    z-index: 1;
}

/* 为每张幻灯片设置不同的背景图 */
.banner-slide:nth-child(1) {
    background-image: url('pics/bannerpic1.png');
}

.banner-slide:nth-child(2) {
    background-image: url('pics/bannerpic2.png');
}

.banner-slide:nth-child(3) {
    background-image: url('pics/bannerpic3.png');
}

/* Ken Burns 效果动画 */
@keyframes kenBurnsEffect {
    0% {
        background-size: 100% 100%; /* 从原始大小开始，铺满整个容器 */
    }
    100% {
        background-size: 110% 110%; /* 在20秒内缓慢放大到110%，铺满整个容器 */
    }
}

.banner-image {
    flex: 1;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 400px;
    width: 100%;
}

.banner-placeholder h2 {
    color: white;
    font-size: 28px;
    margin-bottom: 15px;
    font-weight: 600;
}

.banner-placeholder p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    line-height: 1.6;
}

.banner-content {
    flex: 1;
    padding-left: 50px;
    color: white;
    max-width: 500px;
    position: relative;
    z-index: 10;
}

.banner-content h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.banner-content p {
    font-size: 18px;
    margin-bottom: 30px;
    line-height: 1.6;
}

.banner-btn {
    display: inline;
    color: rgb(241, 238, 238);
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.banner-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* 轮播控制按钮 */
.banner-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0;
    pointer-events: none;
    z-index: 100;
}

.banner-prev {
    background: transparent;
    border: none;
    color: white;
    width: 200px;
    height: 900px;
    border-radius: 0;
    font-size: 60px;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 20px;
}

.banner-next {
    background: transparent;
    border: none;
    color: white;
    width: 200px;
    height: 900px;
    border-radius: 0;
    font-size: 60px;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 20px;
}

.banner-prev:hover,
.banner-next:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

/* 轮播指示器 */
.banner-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.banner-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-indicator.active {
    background: white;
    transform: scale(1.2);
}

.banner-indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* 产品中心样式 */
.products-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #64666d 0%, #764ba2 100%);
    border-radius: 2px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    max-width: 10000px;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: 0px;
    padding: 45px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 20px;
    cursor: pointer;
}

/* 让整个卡片成为链接时去除默认链接样式 */
.product-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.product-card-link .product-card {
    transition: transform .2s ease, box-shadow .2s ease;
}
.product-card-link:hover .product-card {
    transform: translateY(-4px);
    box-shadow: 0 10px 26px rgba(0,0,0,0.12);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
}
.pagination #prevPage {
    margin-right: 8px;
}
.pagination #nextPage {
    margin-left: 8px;
}
.pagination button {
    padding: 8px 14px;
    border: 1px solid #e1e4eb;
    background: #fff;
    color: #333;
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s ease;
}
.pagination button:hover {
    background: #f5f7fb;
    border-color: #ccd2e0;
}
.pagination button.active {
    background: #2f5be7;
    color: #fff;
    border-color: #2f5be7;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.product-detail-container {
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 50px 0;
}

.product-image-column {
    flex: 1;
    max-width: 50%;
}

.product-image-column img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.product-info-column {
    flex: 1;
}

.product-info-column h1 {
    font-size: large;
    margin-bottom: 20px;
}

.product-info-column p {
    font-size: 1.1rem;
    line-height: 1.8;
}

@media (max-width: 900px) {
    .product-detail-container {
        flex-direction: column;
        align-items: stretch;
    }
    .product-image-column,
    .product-info-column {
        max-width: 100%;
    }
}

/* 产品页顶置标题（居中显示产品名） */
.product-page-title {
    text-align: center;
    font-weight: 700;
    margin: 10px 0 30px;
    font-size: clamp(22px, 3.5vw, 36px);
}

@media (max-width: 600px) {
    .product-page-title {
        margin: 6px 0 20px;
    }
    
    /* 超小屏幕的轮播图文字优化 */
    .banner-content h1 {
        font-size: 1.5rem; /* 更小的标题 */
    }
    
    .banner-content p {
        font-size: 0.9rem; /* 更小的描述文字 */
        width: 95%;         /* 更宽的文本宽度 */
    }
    
    .banner-content {
        padding: 15px;
        margin: 0 15px;
    }
    
    /* 超小屏幕的背景图片优化 */
    .banner-slide {
        background-size: cover !important;
        background-position: center !important;
    }
    
    /* 超小屏幕的按钮优化 */
    .banner-prev,
    .banner-next {
        width: 80px;
        font-size: 30px;
        padding: 0 5px;
    }
}

.product-image {
    flex-shrink: 0;
}

.product-thumb {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.product-thumb {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

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

.product-title {
    font-size: clamp(16px, 2.2vw, 20px);
    font-weight: 700;
    color: #222;
    margin: 0;
    line-height: 1.35;
    text-align: center;
    width: 100%;
}

.product-description {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 关于我们样式 */
.about-section {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.about-image {
    flex: 0 0 30%;
    max-width: 300px;
}

.about-image-container {
    width: 130%;
    height: 300px;
    border-radius: 0px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.about-image-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-text {
    flex: 1;
    padding-left: 20px;
}

.about-title {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 25px;
    position: relative;
}

.about-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, #a3a7b9 0%, #764ba2 100%);
    border-radius: 2px;
}

.about-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

.about-description:last-of-type {
    margin-bottom: 30px;
}

.about-btn {
    display: inline-block;
    background: linear-gradient(135deg, #020515 0%, #c9cad6 100%);
    color: white;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.about-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(21, 24, 39, 0.4);
}



/* 页脚样式 */
.footer {
    background: #181a23;
    color: #e0e0e0;
    font-size: 15px;
    margin-top: 0;
}

.footer-main {
    padding: 50px 0 20px 0;
}

.footer-columns {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-col {
    flex: 1 1 180px;
    min-width: 160px;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #bfc2d1;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-bottom {
    background: #13141a;
    padding: 18px 0 12px 0;
}

.footer-copyright {
    text-align: center;
    color: #bfc2d1;
    font-size: 14px;
    letter-spacing: 1px;
}

@media (max-width: 900px) {
    .footer-columns {
        flex-direction: column;
        gap: 30px;
        align-items: flex-start;
    }
    .footer-col {
        min-width: 0;
        width: 100%;
    }
}

@media (max-width: 600px) {
    .footer-main {
        padding: 30px 0 10px 0;
    }
    .footer-title {
        font-size: 16px;
        margin-bottom: 12px;
    }
    .footer-links li {
        margin-bottom: 8px;
    }
    .footer-copyright {
        font-size: 12px;
        padding: 0 10px;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    /* 顶部信息栏响应式 */
    .top-bar {
        display: none; /* 移动端隐藏顶部信息栏 */
    }
    
    /* 页头响应式 */
    .header {
        padding: 10px 0;
    }
    
    .header .container {
        justify-content: space-between;
        align-items: center;
    }
    
    /* 移动端汉堡菜单 */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* 桌面端导航隐藏 */
    .nav {
        display: none;
    }
    
    /* Logo调整 */
    .logo-img {
        height: 40px;
    }
    
    /* 轮播图响应式 */
    .banner-section {
        height: 100vh; /* 全屏高度 */
        min-height: 400px;
    }
    
    .banner-slide {
        flex-direction: column;
        padding: 0;
        text-align: center;
        justify-content: center;
        position: absolute;
        background-size: cover !important;
        background-position: center !important;
    }
    
    .banner-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
    }
    
    .banner-content {
        position: absolute;
        z-index: 20;
        padding: 20px;
        max-width: 100%;
        margin: 0 20px;
    }
    
    .banner-content h1 {
        font-size: 2rem; /* 在手机上用小一点的标题 */
        margin-bottom: 15px;
    }
    
    .banner-content p {
        font-size: 1rem; /* 描述文字也小一点 */
        margin-bottom: 25px;
        width: 100%;      /* 文本宽度占满容器 */
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    .banner-btn {
        padding: 12px 24px;
        font-size: 14px;
        transition: all 0.3s ease;
        /* 手机端特定的动画优化 */
        transform: translateZ(0); /* 启用硬件加速 */
        -webkit-transform: translateZ(0);
        -webkit-transition: all 0.3s ease;
        position: relative; /* 为触摸指示器定位 */
        overflow: hidden; /* 隐藏触摸指示器溢出 */
    }
    
    /* 手机端轮播图按钮悬停和点击效果 */
    .banner-btn:active {
        transform: scale(0.95) translateZ(0);
        -webkit-transform: scale(0.95) translateZ(0);
    }
    
    /* 手机端触摸优化 */
    .banner-btn {
        -webkit-tap-highlight-color: transparent; /* 移除默认的触摸高亮 */
        touch-action: manipulation; /* 优化触摸操作 */
        will-change: transform; /* 提示浏览器优化变换 */
        backface-visibility: hidden; /* 防止3D变换时的闪烁 */
        -webkit-backface-visibility: hidden;
    }
    
    /* 手机端触摸反馈样式 */
    .banner-btn:active,
    .banner-btn.touch-active {
        background: rgba(255, 255, 255, 0.4) !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3) !important;
        transform: scale(0.95) translateZ(0) !important;
        -webkit-transform: scale(0.95) translateZ(0) !important;
    }
    
    /* 手机端触摸动画优化 */
    .banner-btn {
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
        -webkit-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }
    
    /* 手机端触摸状态指示器 */
    .banner-btn.touch-active::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 20px;
        height: 20px;
        background: rgba(255, 255, 255, 0.6);
        border-radius: 50%;
        transform: translate(-50%, -50%) scale(0);
        animation: touch-ripple 0.3s ease-out;
        pointer-events: none;
    }
    
    @keyframes touch-ripple {
        0% {
            transform: translate(-50%, -50%) scale(0);
            opacity: 1;
        }
        100% {
            transform: translate(-50%, -50%) scale(2);
            opacity: 0;
        }
    }
    
    /* 轮播控制按钮调整 */
    .banner-controls {
        padding: 0 15px;
    }
    
    .banner-prev,
    .banner-next {
        width: 100px;
        font-size: 40px;
        padding: 0 10px;
    }
    
    .banner-prev,
    .banner-next {
        width: 40px;
        height: 40px;
        font-size: 24px;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 50%;
    }
    
    /* 轮播指示器调整 */
    .banner-indicators {
        bottom: 20px;
    }
    
    /* 产品中心响应式 */
    .products-section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 100%;
    }
    
    .product-card {
        padding: 20px;
        border-radius: 12px;
    }
    
    .product-placeholder {
        width: 80px;
        height: 80px;
        font-size: 35px;
    }
    
    .product-title {
        font-size: 16px;
    }
    
    .product-description {
        font-size: 13px;
    }
    
    /* 关于我们响应式 */
    .about-section {
        padding: 60px 0;
    }
    
    .about-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    
    .about-image {
        flex: none;
        width: 100%;
        max-width: 100%;
        order: 1;
    }
    
    .about-image-placeholder {
        height: 250px;
        font-size: 60px;
    }
    
    .about-text {
        order: 2;
        padding-left: 0;
    }
    
    .about-title {
        font-size: 28px;
        margin-bottom: 20px;
    }
    
    .about-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-description {
        font-size: 15px;
        text-align: left;
    }
    
    .about-btn {
        padding: 12px 25px;
        font-size: 15px;
    }

    /* 核心合作伙伴响应式 */
    .partner-section {
        padding: 100px 0;
    }
    .partner-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    .partner-logo {
        width: 100%;
        justify-content: center;
        margin-bottom: 0;
    }
    .partner-logo-img {
        max-width: 160px;
        padding: 12px;
    }
    .partner-info {
        padding-left: 0;
    }
    .partner-title {
        font-size: 24px;
        margin-bottom: 15px;
    }
    .partner-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .partner-description {
        font-size: 15px;
        text-align: left;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 8px 0;
    }
    
    .logo-img {
        height: 35px;
    }
    
    /* 轮播图响应式 */
    .banner-section {
        height: 100vh;
        min-height: 350px;
    }
    
    .banner-content {
        padding: 15px;
        margin: 0 15px;
    }
    
    .banner-content h1 {
        font-size: 28px;
    }
    
    .banner-content p {
        font-size: 14px;
    }
    
    .banner-btn {
        padding: 10px 20px;
        font-size: 13px;
        transition: all 0.3s ease;
    }
    
    /* 移动端隐藏轮播控制按钮 */
    .banner-controls {
        display: none;
    }
    
    .banner-indicators {
        bottom: 15px;
    }
    
    .banner-indicator {
        width: 10px;
        height: 10px;
    }
    
    /* 产品中心响应式 */
    .products-section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .product-card {
        padding: 15px;
        gap: 15px;
    }
    
    .product-placeholder {
        width: 70px;
        height: 70px;
        font-size: 30px;
    }
    
    .product-title {
        font-size: 15px;
    }
    
    .product-description {
        font-size: 12px;
    }
    
    /* 关于我们响应式 */
    .about-section {
        padding: 50px 0;
    }
    
    .about-content {
        gap: 30px;
    }
    
    .about-image-placeholder {
        height: 200px;
        font-size: 50px;
    }
    
    .about-title {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .about-description {
        font-size: 14px;
    }
    
    .about-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    

}

/* 桌面端响应式设计 */
/* 超大屏幕 (1920px 及以上) */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
        padding: 0 40px;
    }
    
    .header {
        padding: 20px 0;
    }
    
    .logo-img {
        height: 60px;
    }
    
    .nav-btn {
        padding: 16px 32px;
        font-size: 18px;
        margin: 0 8px;
    }
    
    .banner-content h1 {
        font-size: 56px;
    }
    
    .banner-content p {
        font-size: 22px;
    }
    
    .banner-btn {
        padding: 18px 36px;
        font-size: 18px;
        transition: all 0.3s ease;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
    
    .product-card {
        padding: 30px;
    }
    
    .product-title {
        font-size: 24px;
    }
    
    .product-description {
        font-size: 16px;
    }
}

/* 合作伙伴区域样式 */
.partner-section {
    padding: 80px 0;
    background: #f8f9fa;
}

/* 无限滚动容器 */
.logo-scroller {
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    margin-top: 50px;
}

.scroller-inner {
    display: flex;
    width: max-content;
    animation: scroll 30s linear infinite;
}

/* 鼠标悬停时暂停动画 */
.logo-scroller:hover .scroller-inner {
    animation-play-state: paused;
}

.partner-item {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 20px;
    min-width: 180px;
    min-height: 140px;
}

.partner-logo-img {
    width: 160px;
    height: 120px;
    object-fit: contain;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background: white;
    padding: 15px;
    border: 1px solid #e9ecef;
    filter: grayscale(20%);
    opacity: 0.8;
}

.partner-logo-img:hover {
    transform: translateY(-10px) scale(1.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    filter: grayscale(0%);
    opacity: 1;
    z-index: 10;
}

/* 无限滚动动画 */
@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 图片加载失败时的备用样式 */
.partner-logo-img:not([src]), 
.partner-logo-img[src=""],
.partner-logo-img[src*="data:image/svg"] {
    background: linear-gradient(135deg, #878aab 0%, #041330 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
}

.partner-logo-img:not([src])::after, 
.partner-logo-img[src=""]::after,
.partner-logo-img[src*="data:image/svg"]::after {
    content: attr(alt);
    padding: 0 10px;
    line-height: 1.2;
}

/* 手机端合作伙伴样式 */
@media (max-width: 768px) {
    .logo-scroller {
        margin-top: 30px;
        padding: 0 20px;
    }
    
    .scroller-inner {
        gap: 20px;
        animation: scroll 20s linear infinite; /* 手机端稍微快一点 */
    }
    
    .partner-item {
        padding: 10px;
        min-width: 140px;
        min-height: 100px;
    }
    
    .partner-logo-img {
        width: 120px;
        height: 90px;
        padding: 10px;
    }
    
    /* 手机端触摸效果 */
    .partner-logo-img:active,
    .partner-logo-img.touch-active {
        transform: translateY(-3px) scale(1.03) !important;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15) !important;
    }
    
    /* 手机端触摸优化 */
    .partner-logo-img {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
        will-change: transform;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
}

/* 响应式设计 */
/* 大屏幕 (1440px - 1919px) */
@media (min-width: 1440px) and (max-width: 1919px) {
    .container {
        max-width: 1400px;
        padding: 0 30px;
    }
    
    .header {
        padding: 18px 0;
    }
    
    .logo-img {
        height: 55px;
    }
    
    .nav-btn {
        padding: 14px 28px;
        font-size: 17px;
        margin: 0 6px;
    }
    
    .banner-content h1 {
        font-size: 48px;
    }
    
    .banner-content p {
        font-size: 20px;
    }
    
    .banner-btn {
        padding: 16px 32px;
        font-size: 17px;
        transition: all 0.3s ease;
    }
    
    .section-title {
        font-size: 38px;
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
    
    .product-card {
        padding: 25px;
    }
    
    .product-title {
        font-size: 22px;
    }
    
    .product-description {
        font-size: 15px;
    }
    
    /* 合作伙伴响应式 */
    .logo-scroller {
        max-width: 1000px;
    }
    
    .scroller-inner {
        gap: 60px;
    }
    
    .partner-item {
        padding: 18px;
        min-width: 160px;
        min-height: 200px;
    }
    
    .partner-logo-img {
        width: 140px;
        height: 110px;
    }
}

/* 中等屏幕 (1024px - 1439px) */
@media (min-width: 1024px) and (max-width: 1439px) {
    .container {
        max-width: 1200px;
        padding: 0 25px;
    }
    
    .header {
        padding: 15px 0;
    }
    
    .logo-img {
        height: 50px;
    }
    
    .nav-btn {
        padding: 12px 24px;
        font-size: 16px;
        margin: 0 5px;
    }
    
    .banner-content h1 {
        font-size: 42px;
    }
    
    .banner-content p {
        font-size: 18px;
    }
    
    .banner-btn {
        padding: 15px 30px;
        font-size: 16px;
        transition: all 0.3s ease;
    }
    
    .section-title {
        font-size: 34px;
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .product-card {
        padding: 20px;
    }
    
    .product-title {
        font-size: 20px;
    }
    
    .product-description {
        font-size: 14px;
    }
    
    /* 合作伙伴响应式 */
    .logo-scroller {
        max-width: 900px;
    }
    
    .scroller-inner {
        gap: 50px;
    }
    
    .partner-item {
        padding: 15px;
        min-width: 150px;
        min-height: 120px;
    }
    
    .partner-logo-img {
        width: 130px;
        height: 100px;
    }
}

/* 小屏幕桌面 (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        max-width: 1000px;
        padding: 0 20px;
    }
    
    .header {
        padding: 12px 0;
    }
    
    .logo-img {
        height: 45px;
    }
    
    .nav-btn {
        padding: 10px 20px;
        font-size: 15px;
        margin: 0 4px;
    }
    
    .banner-content h1 {
        font-size: 36px;
    }
    
    .banner-content p {
        font-size: 16px;
    }
    
    .banner-btn {
        padding: 12px 24px;
        font-size: 15px;
        transition: all 0.3s ease;
    }
    
    .section-title {
        font-size: 30px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    
    .product-card {
        padding: 18px;
    }
    
    .product-title {
        font-size: 18px;
    }
    
    .product-description {
        font-size: 13px;
    }
    
    .about-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-image {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* 平板横屏 (768px - 1023px) 特殊处理 */
@media (min-width: 768px) and (max-width: 1023px) and (orientation: landscape) {
    .banner-content {
        padding-left: 30px;
        max-width: 400px;
    }
    
    .banner-content h1 {
        font-size: 32px;
    }
    
    .banner-content p {
        font-size: 15px;
    }
}