/* 基础容器样式 */
body {
    overflow-x: hidden;
    width: 100%;
}

/* 优化动画定义 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* 产品卡片悬停动画 */
.product-detail-list {
    transition: all 0.3s ease;
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.product-detail-list:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    animation: scaleIn 0.3s ease;
}

/* 特性卡片入场动画 */
.chooseUs-itme {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.6s forwards;
}

.chooseUs-itme:nth-child(1) {
    animation-delay: 0.1s;
}

.chooseUs-itme:nth-child(2) {
    animation-delay: 0.2s;
}

.chooseUs-itme:nth-child(3) {
    animation-delay: 0.3s;
}

.chooseUs-itme:nth-child(4) {
    animation-delay: 0.4s;
}

/* 合作伙伴图标悬停动画 */
.partners-item-img:hover img {
    animation: pulse 0.6s ease;
}

/* 按钮悬停动画 */
.btn {
    transition: all 0.3s ease;
    transform: translateY(0);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 102, 255, 0.4);
}

/* 标题渐显动画 */
.title-main {
    opacity: 0;
    transform: translateY(-20px);
    animation: fadeIn 0.8s forwards;
}

/* 服务项目悬停动画 */
.service-item {
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* 图片加载淡入动画 */
img {
    transition: opacity 0.3s ease;
}

img.loading {
    opacity: 0;
}

img.loaded {
    opacity: 1;
    animation: fadeIn 0.3s ease;
}

/* 导航项平滑过渡 */
.nav-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 滚动时的元素渐显动画 */
.fade-in-section {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* 只对非首屏内容应用渐显动画 */
.fade-in-section:not(.visible-on-load) {
    opacity: 0;
    transform: translateY(30px);
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
}

main {
    margin-top: 0 !important;
    overflow-x: hidden;
    width: 100%;
}

.header-container {
    background-color: rgba(255, 255, 255, .2);
    width: 100%;
    box-sizing: border-box;
}

.container_bg1 {
    width: 100%;
    background: #f8f9fc;
    padding: 80px 0;
    overflow: hidden;
    box-sizing: border-box;
}

.container_bg30 {
    width: 100%;
    background: #fff;
    padding: 80px 0;
    overflow: hidden;
    box-sizing: border-box;
}

.comp_container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    overflow: hidden;
}

.chooseUs-container {
    width: 100%;
    box-sizing: border-box;
}

.sk-title-container {
    width: 100%;
    padding: 0 15px;
    margin-bottom: 40px;
    text-align: center;
    box-sizing: border-box;
}

.sk-title {
    font-size: 32px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.sk-desc {
    font-size: 16px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.chooseUs-row-a {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 0;
    box-sizing: border-box;
}

.chooseUs-itme {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    width: 100%;
    box-sizing: border-box;
}

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

.chooseUs-itme-main {
    flex: 1;
    padding-right: 15px;
    min-width: 0; /* 防止文本溢出 */
}

.chooseUs-itme-title {
    font-size: 20px;
    color: #333;
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chooseUs-itme-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    box-orient: vertical;
    overflow: hidden;
    margin-bottom: 15px;
}

.chooseUs-itme-label {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chooseUs-itme-tag {
    padding: 4px 8px;
    background: #f0f5ff;
    color: #0066ff;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
}

.chooseUs-itme-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chooseUs-itme-icon img {
    max-width: 100%;
    height: auto;
}

.swiper-side-nav {
    position: absolute;
    left: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 300px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
}

.swiper-side-nav .nav-item {
    padding: 15px 20px;
    margin-bottom: 10px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.swiper-side-nav .nav-item:hover {
    background: rgba(255, 255, 255, 0.8);
}

.swiper-side-nav .nav-item.active {
    background: rgba(255, 255, 255, 0.9);
    border-left: 3px solid #0066ff;
}

.swiper-side-nav .nav-item h3 {
    color: #333;
    font-size: 18px;
    margin: 0 0 5px 0;
    font-weight: 500;
}

.swiper-side-nav .nav-item p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

.swiper-side-nav .nav-item:hover h3,
.swiper-side-nav .nav-item.active h3 {
    color: #0066ff;
}

.swiper-side-nav .nav-item:hover p,
.swiper-side-nav .nav-item.active p {
    color: #333;
}

.home-swiper {
    height: 80vh;
    position: relative;
    overflow: hidden;
}

.home-swiper .swiper-container {
    height: 100%;
}

.home-swiper .swiper-slide {
    height: 100%;
    position: relative;
}

.slide-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.home-swiper .container {
    position: absolute;
    top: 50%;
    left: 15%;
    transform: translate(0, -50%);
    z-index: 2;
    text-align: left;
    opacity: 0;
    animation: slideUp 1s forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(0, calc(-50% + 30px));
    }
    to {
        opacity: 1;
        transform: translate(0, -50%);
    }
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
}

.home-swiper .container .content {
    max-width: 600px;
    margin-left: 0;
}

.home-swiper .container h2 {
    color: #333;
}

.home-swiper .container p {
    color: #666;
}

.home-swiper .container .btn {
    background: rgba(0, 102, 255, 0.9);
    color: #fff;
    border: none;
}

.home-swiper .container .btn:hover {
    background: rgba(0, 102, 255, 1);
}

.swiper-slide-active .container {
    animation: slideUp 1s forwards;
}

.swiper-slide:not(.swiper-slide-active) .container {
    opacity: 0;
    transform: translate(0, calc(-50% + 30px));
}

.partners-container {
    width: 100%;
    box-sizing: border-box;
}

.partners-items-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    box-sizing: border-box;
}

.partners-list-container {
    width: 100%;
    box-sizing: border-box;
}

.partners-item-container {
    width: 100%;
    margin-bottom: 20px;
    overflow: hidden;
    box-sizing: border-box;
}

.partners-item-row {
    display: flex;
    width: 200%;
    box-sizing: border-box;
}

.partners-item-page {
    display: flex;
    width: 100%;
    gap: 20px;
    box-sizing: border-box;
    flex-wrap: nowrap;
    animation: scroll-left 60s linear infinite;
}

.partners-item {
    flex: 0 0 auto;
    width: 180px;
    height: 70px;
    padding: 10px;
    margin: 0;
    box-sizing: border-box;
}

.partners-item-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.partners-item-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-color: #0066ff;
}

.partners-item-img img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.partners-item-container:hover .partners-item-page {
    animation-play-state: paused;
}

/* 媒体查询 */
@media (max-width: 1200px) {
    .comp_container {
        padding: 0 15px;
    }
    
    .partners-item {
        width: 160px;
        height: 60px;
    }
    
    .chooseUs-row-a {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
}

@media (max-width: 1000px) {
    .product-recommend {
        height: auto;
    }

    .product-recommend img {
        display: none;
    }

    .chooseUs-row-a {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .container_bg1,
    .container_bg30 {
        padding: 50px 0;
    }

    .product-detail-lists {
        position: relative;
    }
    
    .product-detail-list:nth-child(n+4) {
        display: none;
    }
    
    .product-detail-lists.show-all .product-detail-list:nth-child(n+4) {
        display: block;
    }
    
    .view-more-btn {
        display: block;
        width: 100%;
        padding: 12px;
        text-align: center;
        background: #f5f5f5;
        color: #666;
        border-radius: 8px;
        margin-top: 15px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
    }
    
    .view-more-btn:hover {
        background: #e5e5e5;
        color: #333;
    }
    
    .view-more-btn.hidden {
        display: none;
    }
}

@media (max-width: 768px) {
    .swiper-side-nav {
        display: none;
    }

    .home-swiper {
        height: 60vh;
        width: 100%;
        overflow: hidden;
        position: relative;
    }

    .home-swiper .swiper-container {
        width: 100%;
        height: 100%;
    }

    .home-swiper .swiper-slide {
        width: 100%;
        height: 100%;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .home-swiper .container {
        position: relative;
        top: 0;
        left: 0;
        margin-top: 30vh;
        z-index: 2;
        text-align: center;
        padding: 0 20px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .home-swiper .container .content {
        max-width: 100%;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .home-swiper .container h2 {
        font-size: 24px;
        margin-bottom: 15px;
        color: #333;
        width: 100%;
        line-height: 1.3;
    }

    .home-swiper .container p {
        font-size: 14px;
        margin-bottom: 15px;
        color: #666;
        width: 100%;
        line-height: 1.5;
    }

    .home-swiper .container .btn {
        display: inline-block;
        padding: 10px 25px;
        font-size: 14px;
        background: #0066ff;
        color: #fff;
        border-radius: 4px;
        text-decoration: none;
        margin: 15px auto;
        min-width: 120px;
    }

    .swiper-nav-buttons {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: calc(100% - 30px);
        left: 15px;
        right: 15px;
        z-index: 10;
        pointer-events: none;
    }

    .swiper-nav-button {
        width: 32px;
        height: 32px;
        background: rgba(0, 0, 0, 0.4);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 16px;
        cursor: pointer;
        pointer-events: auto;
        position: absolute;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .swiper-nav-button.prev {
        left: 0;
    }

    .swiper-nav-button.next {
        right: 0;
    }
    
    .container_bg1,
    .container_bg30 {
        padding: 30px 0;
    }
    
    .comp_container {
        padding: 0 15px;
    }
    
    .partners-item {
        width: 130px;
        height: 50px;
    }
    
    .partners-item-page {
        gap: 8px;
    }
    
    .sk-title {
        font-size: 22px;
    }
    
    .sk-desc {
        font-size: 14px;
        padding: 0 10px;
    }
    
    /* 优化移动端产品列表显示 */
    .product-detail-list {
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .product-detail-list-title {
        font-size: 16px;
    }
    
    .product-detail-list-desc {
        font-size: 14px;
    }
    
    /* 优化移动端chooseUs样式 */
    .chooseUs-itme {
        padding: 15px;
    }
    
    .chooseUs-itme-title {
        font-size: 18px;
    }
    
    .chooseUs-itme-desc {
        font-size: 13px;
        line-height: 1.5;
    }
    
    /* 优化移动端导航按钮 */
    .btn {
        padding: 8px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .partners-item {
        width: 120px;
        height: 45px;
        padding: 8px;
    }
    
    .partners-item-page {
        gap: 8px;
    }
    
    .sk-title-container {
        padding: 0 10px;
    }
    
    .sk-title {
        font-size: 22px;
    }
    
    .chooseUs-itme {
        padding: 15px;
    }
    
    .chooseUs-itme-icon {
        width: 50px;
        height: 50px;
    }
    
    .partners-item {
        width: 100px;
        height: 40px;
        padding: 6px;
        margin: 0 6px;
    }
}

@media (max-width: 375px) {
    .chooseUs-itme {
        padding: 15px;
    }
    
    .chooseUs-itme-icon {
        width: 50px;
        height: 50px;
    }
    
    .partners-item {
        width: 100px;
        height: 40px;
        padding: 6px;
        margin: 0 6px;
    }
}