/* 基础样式 */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: auto;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
}

body {
    position: relative;
    background: #fff;
}

/* 主内容区域 */
/* .main-content {
    position: relative;
    width: 100%;
    height: auto;
    overflow: visible;
} */

/* 视频头部样式 */
/* .video-head {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: #000;
} */


/* 导航栏样式 */
.menu-bar {
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: background 0.3s ease;
}

/* .menu-bar.fixed {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
} */

/* 内容区块样式 */
.normal-layout-white,
.normal-layout-blue,
.normal-layout-grey,
.normal-layout-lightblue {
    position: relative;
    width: 100%;
    padding: 80px 0;
    overflow: visible;
}

.normal-layout-blue {
    background: #0e132d;
    color: #fff;
    padding: 100px 0;
}

.normal-layout-grey {
    background: #f5f5f5;
}

.normal-layout-lightblue {
    background: #f0f7ff;
}

/* 视频内容样式 */
.video-content {
    text-align: center;
    color: #fff;
    z-index: 2;
    width: 100%;
    padding: 0 20px;
}

.video-content img {
    max-width: 600px;
    width: 80%;
    height: auto;
    margin-bottom: 40px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.video-content .p1 {
    font-size: 24px;
    margin-bottom: 20px;
    letter-spacing: 1px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.video-content .p2 {
    font-size: 18px;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.8;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.normal-layout-blue {
    background: #0e132d;
    color: #fff;
}

.normal-layout-lightblue {
    background: #0e1237;
    color: #fff;
    padding: 50px 0 150px;
}

/* 确保WOW动画正常工作 */
.wow {
    visibility: hidden;
}

.animated {
    visibility: visible;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .video-content .p1 {
        font-size: 20px;
    }
    
    .video-content .p2 {
        font-size: 16px;
    }
}

/* 简介部分样式 */
.intro {
    width: 1200px;
    margin: 0 auto;
    padding: 100px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.intro-left {
    width: 40%;
}

.intro-right {
    width: 55%;
}

.intro-left img {
    width: 100%;
    height: auto;
    display: block;
}

/* 数字统计部分样式 */
.data-section {
    padding: 80px 0;
    background: #0e132d;
    color: #fff;
}

.data-container {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.data-item {
    width: calc(33.33% - 40px);
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.data-item .circle {
    width: 160px;
    height: 160px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: bold;
}

.data-item p:nth-child(2) {
    font-size: 16px;
    margin-bottom: 5px;
}

.data-item p:last-child {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

/* 发展历程部分样式 */
.pt50pb150 {
    padding: 50px 0 150px;
}

.timeline-section {
    padding: 100px 0;
    background: #fff;
}

.timeline-title {
    text-align: center;
    margin-bottom: 60px;
}

.timeline-title img {
    max-width: 300px;
}

.timeline-container {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.timeline-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: #ddd;
}

.swiper-container-timeline {
    padding: 50px 0;
}

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

.timeline-year {
    width: 60px;
    height: 60px;
    background: #143599;
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 16px;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item.active .timeline-year {
    width: 80px;
    height: 80px;
    font-size: 20px;
}

.timeline-content {
    margin-top: 30px;
    padding: 0 20px;
}

.timeline-content .title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.timeline-content .desc {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

/* 客户案例部分样式 */
.customer-section {
    padding: 80px 0;
    background: #f5f5f5;
}

.customer-title {
    text-align: center;
    margin-bottom: 50px;
}

.customer-container {
    width: 1200px;
    margin: 0 auto;
}

.customer-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.customer-tabs a {
    padding: 10px 30px;
    color: #333;
    text-decoration: none;
    position: relative;
}

.customer-tabs a.active {
    color: #143599;
}

.customer-tabs a.active:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: #143599;
}

.customer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.customer-item {
    background: #fff;
    padding: 20px;
    text-align: center;
}

.customer-item img {
    max-width: 100%;
    height: auto;
}

/* 响应式设计 */
/* @media (max-width: 1440px) {
    .intro-container,
    .data-container,
    .timeline-container,
    .customer-container {
        width: 1000px;
    }
}

@media (max-width: 1200px) {
    .intro {
        width: 90%;
        flex-direction: column;
    }

    .intro-left,
    .intro-right {
        width: 100%;
    }

    .intro-left {
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .intro-section {
        padding: 50px 0;
    }

    .intro-text .chn {
        font-size: 14px;
    }

    .intro-text .eng {
        font-size: 12px;
    }
} */

/* 动画效果 */
.fadeInUp {
    animation: fadeInUp 1s ease forwards;
}

.fadeIn {
    animation: fadeIn 1s ease forwards;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}