:root {
    --primary-color: #FF4136;
    --primary-light: #FF6B6B;
    --primary-dark: #CC0000;
    --light-bg: #FFFFFF;
    --gray-bg: #F5F7FA;
    --dark-bg: #1A1A1A;
    --text-dark: #333333;
    --text-light: #666666;
    --text-gray: #888888;
    --text-white: #FFFFFF;
    --tech-bg: #212822;
    --tech-hover: #FFFFFF;
    --tech-text-dark: #2b2f32;
}

.wow {
    visibility: hidden;   /* 或 opacity: 0; 根据动画类型选择 */
}

/* 通用模块样式 */
.se-section {
    padding: 100px 0;
    position: relative;
}

.se-light-bg {
    background-color: var(--light-bg);
}

.se-gray-bg {
    background-color: var(--gray-bg);
}

.se-dark-bg {
    background-color: var(--dark-bg);
    color: var(--text-white);
}

.se-container {
    width: 100%;
    max-width: 80%;
    margin: 0 auto;
    padding: 0 20px;
}

/* 模块标题样式 - 英文在上，中文在下 */
.se-section-title {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
}

.se-title-sub {
    font-size: 16px;
    color: var(--primary-color);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.se-title-sub::before,
.se-title-sub::after {
    content: '';
    display: block;
    width: 50px;
    height: 1px;
    background-color: var(--primary-color);
    margin: 0 20px;
}

.se-title-main {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    display: inline-block;
}

.se-title-bg {
    position: absolute;
    font-size: 120px;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
    white-space: nowrap;
}

.se-dark-bg .se-title-main,
.se-dark-bg .se-title-bg {
    color: white;
}

.se-dark-bg .se-title-bg {
    opacity: 0.05;
}

/* Banner模块 - 服务项目样式 */
.se-service-banner {
    height: 100vh;
    background: linear-gradient(rgba(10, 10, 30, 0.6), rgba(10, 10, 30, 0.6)), 
                url('https://cdn1.hsdxchina.com/static/image/bg_se.webp');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.se-service-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(255, 65, 54, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(0, 150, 255, 0.1) 0%, transparent 50%);
    animation: se-gradient-shift 10s ease infinite alternate;
}

.se-banner-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 0 20px;
}

.se-banner-text {
    max-width: 800px;
    margin-bottom: 200px; /* 增加与下方服务块的间距 */
}

.se-banner-title {
    font-size: 64px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(to right, #FF6B6B, #FFD166);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    text-align: left;
}

.se-banner-desc {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
    text-align: left;
}

/* 四个服务块导航 - 宽度调整为80% */
.se-service-nav-wrapper {
    width: 100%;
    margin: 0 auto;
}

.se-service-nav {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 80px;
}

.se-service-nav-item {
    flex: 1;
    min-width: 110px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.se-service-nav-item:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
}

.se-service-nav-icon {
    height: 80px;
    width: 80px;
    margin: 0 auto 20px;
    background-color: rgba(255, 65, 54, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 36px;
    position: relative;
}
.se-service-nav-icon img{
    width: 60%;
}

.se-service-nav-title {
    font-size: 22px;
    font-weight: 600;
    color: white;
    margin-bottom: 10px;
}

.se-service-nav-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}



/*客户服务模块*/
/* 通用模块样式 */
.se-service-item {
    padding: 80px 0;
    position: relative;
}

.se-service-item:nth-child(even) {
    background-color: var(--light-bg);
}

.se-service-item:nth-child(odd) {
    background-color: var(--gray-bg);
}

/* 容器宽度改为80% */
.se-container {
    max-width: 80%;
    margin: 0 auto;
    padding: 0 20px;
}

.se-service-content {
    display: flex;
    align-items: flex-start; /* 顶部对齐 */
    gap: 60px;
    min-height: 500px;
}

.se-service-item:nth-child(even) .se-service-content {
    flex-direction: row;
}

.se-service-item:nth-child(odd) .se-service-content {
    flex-direction: row-reverse;
}

.se-service-media {
    flex: 1;
    position: relative;
    height: 100%;
    min-height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    /* 确保媒体区域与内容区域高度一致 */
    display: flex;
    align-items: stretch;
}

/* 确保图片/视频填充整个媒体区域 */
.se-service-media img, .se-service-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.se-service-text {
    flex: 1;
    /* 确保文本区域高度与媒体区域对齐 */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

/* 优化英文标题样式 */
.se-service-subtitle {
    font-size: 16px;
    color: var(--primary-color);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.se-service-subtitle::before {
    content: '✦';
    margin-right: 10px;
    font-size: 18px;
    color: var(--primary-color);
}

.se-service-subtitle::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: rgba(255, 65, 54, 0.3);
    margin-left: 15px;
}

.se-service-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

/* 优化描述样式 */
.se-service-desc {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 28px;
    text-align: justify;
}

/* 优化小服务项样式 */
.se-service-subitems {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.se-service-subitem {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 15px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.se-service-subitem:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.se-subitem-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 15px;
}
.se-subitem-icon img{
    width: 70%;
}

.se-subitem-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

/* 模态框样式 - 简化版（无白背景） */
.se-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

/* 单视频模态框 */
.se-video-container {
    width: 90%;
    max-width: 1000px;
    height: auto;
    position: relative;
}

.se-video-container video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 单图片模态框 */
.se-image-container {
    width: 90%;
    max-width: 1800px;
    height: auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.se-image-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 轮播模态框 */
.se-carousel-container {
    width: 90%;
    max-width: 1000px;
    height: auto;
    position: relative;
}

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

.se-carousel-container .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
}

.se-carousel-container .swiper-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 图文模态框 */
.se-article-container {
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    position: relative;
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.se-article-content {
    display: flex;
    height: 100%;
}

.se-article-image {
    flex: 1;
    overflow: hidden;
}

.se-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.se-article-text {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
    max-height: 90vh;
}

.se-article-text h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.se-article-text p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.se-article-list {
    margin: 20px 0;
    padding-left: 20px;
}

.se-article-list li {
    color: var(--text-light);
    margin-bottom: 10px;
    line-height: 1.6;
}

/* 轮播导航按钮 */
.se-carousel-container .swiper-button-next,
.se-carousel-container .swiper-button-prev {
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.se-carousel-container .swiper-button-next:after,
.se-carousel-container .swiper-button-prev:after {
    font-size: 20px;
}

.se-carousel-container .swiper-button-next:hover,
.se-carousel-container .swiper-button-prev:hover {
    background-color: var(--primary-color);
}

/* 关闭按钮 */
.se-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10000;
}

.se-modal-close:hover {
    background-color: var(--primary-color);
    transform: rotate(90deg);
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .se-container {
        max-width: 90%;
    }
    
    .se-service-content {
        gap: 40px;
    }
    
    .se-service-subitems {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .se-container {
        max-width: 95%;
    }
    
    .se-service-content {
        flex-direction: column !important;
        gap: 40px;
        min-height: auto;
    }
    
    .se-service-media {
        min-height: 197px;
        width: 100%;
    }
    
    .se-service-text {
        height: auto;
    }
    
    .se-article-content {
        flex-direction: column;
        max-height: 80vh;
    }
    
    .se-article-image {
        height: 300px;
    }
    
    .se-article-text {
        max-height: calc(80vh - 300px);
    }
}

@media (max-width: 768px) {
    .se-service-title {
        font-size: 28px;
    }
    
    .se-service-subitems {
        grid-template-columns: 1fr;
    }
    
    .se-video-container,
    .se-image-container,
    .se-carousel-container {
        width: 95%;
        height: 70vh;
    }
    
    .se-article-container {
        width: 95%;
        max-height: 85vh;
    }
    
    .se-article-text {
        padding: 25px;
    }
}

@media (max-width: 576px) {
    
    .page-title h1 {
        font-size: 28px;
    }
    
    .se-service-item {
        padding: 60px 0;
    }
    
    .se-service-title {
        font-size: 24px;
    }
    
    .se-modal-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
    }
    
    .se-article-text {
        padding: 20px;
    }
    
    .se-article-text h3 {
        font-size: 20px;
    }
}


/* 技术支持模块 */
.se-tech-support {
    background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.85));
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    position: relative;
}

.se-tech-support::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 65, 54, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 20%, rgba(0, 150, 255, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.se-tech-container {
    display: flex;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.se-tech-left {
    flex: 1;
}

.se-tech-right {
    flex: 2;
}

/* 技术支持标题改为白色 */
.se-tech-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white; /* 改为白色 */
}

.se-tech-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 30px;
}

.se-tech-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.se-tech-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 65, 54, 0.3);
}

.se-tech-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.se-tech-item {
    background-color: var(--tech-bg);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.4s ease;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.se-tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 65, 54, 0) 0%, rgba(255, 65, 54, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.se-tech-item:hover {
    background-color: var(--tech-hover);
}

.se-tech-item:hover::before {
    opacity: 1;
}

.se-tech-item:hover .se-tech-item-title {
    color: var(--primary-color);
}

.se-tech-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}
.se-tech-icon img{
    width: 50%;
}
.se-tech-item:hover .se-tech-icon {
    background-color: rgba(255, 65, 54, 0.1);
}

.se-tech-item-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
}


.se-tech-item:hover .se-tech-item-title {
    color: var(--tech-text-dark);
}


.se-tech-item-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
}

.se-tech-item:hover .se-tech-item-desc {
    color: var(--text-light);
}

/* 常见问题模块 */
.se-faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.se-faq-item {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.se-faq-question {
    padding: 25px 30px;
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.se-faq-question::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background-color: rgba(255, 65, 54, 0.05);
    transition: width 0.3s ease;
}

.se-faq-question:hover::before {
    width: 5px;
}

.se-faq-question:hover {
    background-color: rgba(255, 65, 54, 0.02);
}

.se-faq-question.active {
    background-color: rgba(255, 65, 54, 0.05);
    border-left: 5px solid var(--primary-color);
}

.se-faq-q-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    flex: 1;
}

.se-faq-icon {
    width: 30px;
    height: 30px;
    background-color: rgba(255, 65, 54, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 14px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.se-faq-question.active .se-faq-icon {
    transform: rotate(180deg);
    background-color: var(--primary-color);
    color: white;
}

.se-faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    background-color: white;
    transition: all 0.5s ease;
}

.se-faq-answer.show {
    padding: 25px 30px;
    max-height: 500px;
}

.se-faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 下载中心模块 */
.se-download-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.se-download-item {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.se-download-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 65, 54, 0.2);
}

.se-download-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.se-download-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 65, 54, 0) 0%, rgba(255, 65, 54, 0.1) 100%);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.se-download-item:hover .se-download-img::before {
    opacity: 1;
}

.se-download-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.se-download-item:hover .se-download-img img {
    transform: scale(1.1);
}

.se-download-content {
    padding: 25px;
}

.se-download-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.se-download-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.se-download-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.se-download-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.se-download-btn:hover {
    background-color: var(--primary-dark);
}

/* 装饰元素 */
.se-decoration {
    position: absolute;
    z-index: 1;
}

.se-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 2px dashed rgba(255, 65, 54, 0.3);
    position: absolute;
    animation: se-rotate 20s linear infinite;
}

.se-circle-small {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 65, 54, 0.2);
    position: absolute;
}

.se-line {
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
    position: absolute;
}

@keyframes se-gradient-shift {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 100%;
    }
}

@keyframes se-rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .se-service-nav-wrapper {
        width: 90%;
    }
}

@media (max-width: 992px) {
    .se-service-nav-wrapper {
        width: 100%;
    }
    
    .se-service-nav {
        justify-content: center;
    }
    
    .se-service-nav-item {
        flex: 0 0 calc(50% - 20px);
    }
    
    .se-service-content {
        flex-direction: column !important;
        gap: 40px;
    }
    
    .se-service-subitems {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .se-tech-container {
        flex-direction: column;
        gap: 40px;
    }
    
    .se-tech-items {
        grid-template-columns: 2/1fr;
    }
    
    .se-download-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .se-banner-title {
        font-size: 48px;
    }
    
    .se-banner-desc {
        font-size: 18px;
    }
    
    .se-title-main {
        font-size: 30px;
    }
    
    .se-title-bg {
        font-size: 80px;
    }
    
    .se-service-nav-item {
        flex: 0 0 100%;
    }
    
    .se-service-title {
        font-size: 28px;
    }
    
    .se-tech-title {
        font-size: 28px;
    }
    
    .se-service-subitems {
        grid-template-columns: 2/1fr;
    }
    
    .se-download-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .se-banner-title {
        font-size: 36px;
    }
    
    .se-banner-text {
        margin-bottom: 80px;
    }
    
    .se-service-nav-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    
    .se-service-nav-title {
        font-size: 18px;
    }
    
    .se-faq-question {
        padding: 20px;
    }
    
    .se-faq-answer.show {
        padding: 20px;
    }
    .se-tech-items {
        grid-template-columns: 1fr;
    }
}




/*广告语，升级您的上网方式*/
/* 主容器 */
.sead-banner-container {
    width: 100%;
    height: 400px;
    background: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* 背景科技网格 */
.sead-tech-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 65, 54, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 65, 54, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 1;
}

/* 内容区域 */
.sead-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

/* 主广告语 */
.sead-slogan {
    font-size: 3.2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.2;
    max-width: 900px;
}

/* 广告语高亮部分 */
.sead-highlight {
    color: #FF4136;
    position: relative;
    display: inline-block;
}

.sead-highlight:after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(255, 65, 54, 0.15);
    z-index: -1;
}

/* 副标题 */
.sead-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-top: 10px;
    max-width: 600px;
    line-height: 1.6;
}

/* 向下箭头容器 */
.sead-arrow-container {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 向下箭头 */
.sead-down-arrow {
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #FF4136;
    font-size: 2.5rem;
    animation: seadArrowBounce 2s infinite ease-in-out;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sead-down-arrow:hover {
    transform: scale(1.1);
    color: #e6392e;
}

/* 箭头提示文字 */
.sead-arrow-text {
    color: #666;
    font-size: 0.9rem;
    margin-top: 8px;
    letter-spacing: 1px;
    animation: seadTextFade 3s infinite ease-in-out;
}

/* 箭头跳动动画 */
@keyframes seadArrowBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 文字淡入淡出动画 */
@keyframes seadTextFade {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

/* 动态光效 */
.sead-light-effect {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 65, 54, 0.15) 0%, rgba(255, 65, 54, 0) 70%);
    z-index: 2;
    animation: seadLightMove 15s infinite linear;
    pointer-events: none;
}

.sead-light-effect:nth-child(2) {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 100, 90, 0.12) 0%, rgba(255, 100, 90, 0) 70%);
    animation: seadLightMoveReverse 12s infinite linear;
    animation-delay: 2s;
}

.sead-light-effect:nth-child(3) {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255, 150, 140, 0.08) 0%, rgba(255, 150, 140, 0) 70%);
    animation: seadLightMove 18s infinite linear;
    animation-delay: 5s;
}

/* 光效动画 */
@keyframes seadLightMove {
    0% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(100px, 80px);
    }
    50% {
        transform: translate(200px, -50px);
    }
    75% {
        transform: translate(-150px, 100px);
    }
    100% {
        transform: translate(0, 0);
    }
}

@keyframes seadLightMoveReverse {
    0% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(-120px, -60px);
    }
    50% {
        transform: translate(-200px, 80px);
    }
    75% {
        transform: translate(100px, -100px);
    }
    100% {
        transform: translate(0, 0);
    }
}

/* 科技元素装饰 */
.sead-tech-element {
    position: absolute;
    z-index: 2;
    color: rgba(255, 65, 54, 0.08);
    font-size: 1.5rem;
}

.sead-tech-element i {
    opacity: 0.7;
}

/* 响应式设计 */

@media (max-width: 1921px) {
    .se-service-content{
        min-height: auto;
    }
    .se-service-media{
        min-height: auto;
    }
    .se-service-title{
        margin-bottom: 5px;
        font-size:30px;
    }
    .se-service-desc{
        margin-bottom: 10px;
        font-size: 14px;
    }
    .se-service-subitems{
        gap: 15px;
    }
    .se-service-subitem{
        padding: 10px 10px;
    }
    .se-subitem-icon{
        margin-bottom: 0px;
    }
    .se-subitem-icon img{
        width: 50%;
    }
    .se-service-subtitle{
        margin-bottom: 8px;
    }
}

@media (max-width: 1025px) {
    .se-service-nav{
        gap: 10px;
    }
}
@media (max-width: 768px) {
    .sead-slogan {
        font-size: 2.4rem;
        padding: 0 15px;
    }
    
    .sead-subtitle {
        font-size: 1rem;
        padding: 0 20px;
    }
    
    .sead-down-arrow {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .se-banner-content{
        padding: unset;
    }
    .sead-slogan {
        font-size: 1.9rem;
    }
    
    .sead-subtitle {
        font-size: 0.95rem;
    }
    
    .sead-down-arrow {
        width: 45px;
        height: 45px;
        font-size: 1.8rem;
    }
    
    .sead-arrow-text {
        font-size: 0.8rem;
    }
    .se-service-nav-desc{
        display: none;
    }
    .se-service-nav{
        gap: 14px;
    }
    .se-service-nav-item {
        flex: 0 0 46%;
    }
}

/* 悬浮动画粒子 */
.sead-floating-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 65, 54, 0.5);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}