/* 页面标题区 */
.page-header {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 120px 0;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 0;
}

.page-header .container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    min-height: 400px;
}

.page-header .banner-text {
    text-align: left;
    max-width: 900px;
    margin: 0 0 40px 0;
    color: #fff;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #000;
}

.page-header p {
    font-size: 30px;
    /*opacity: 0.9;*/
    color: #000;
    margin-bottom: 20px;
}

.page-header .btn-primary {
    display: inline-block;
    background-color: #1890ff;
    color: #fff;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 18px;
    transition: background-color 0.3s ease;
    margin-top: 20px;
}

.page-header .btn-primary:hover {
    background-color: #096dd9;
}

.page-header .banner-bottom-text {
    position: absolute;
    bottom: 40px;
    right: 20px;
    color: #fff;
    font-size: 14px;
    opacity: 0.8;
    max-width: 300px;
    text-align: right;
}

/* 公司简介 */
.company-intro {
    padding: 100px 0;
    background: #fff;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.intro-text {
    flex: 1;
}

.intro-text h2 {
    font-size: 36px;
    color: #000;
    margin-bottom: 32px;
    font-weight: 700;
}

.intro-text p {
    color: #333;
    font-size: 18px;
    line-height: 2;
    margin-bottom: 24px;
}

.intro-image {
    flex: 1;
}

.intro-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* 发展历程 */
.history {
    padding: 80px 0;
    background: #f7faff;
}

.history h2 {
    text-align: center;
    font-size: 32px;
    color: #222;
    margin-bottom: 48px;
    font-weight: 700;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #1890ff;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 48px;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item .year {
    background: #1890ff;
    color: #fff;
    padding: 8px 24px;
    border-radius: 20px;
    font-weight: 600;
    margin: 0 32px;
    position: relative;
    z-index: 1;
}

.timeline-item .content {
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(24,144,255,0.08);
    width: 300px;
}

.timeline-item .content h3 {
    color: #1890ff;
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 600;
}

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

/* 合作伙伴展示 */
.partners-showcase {
    padding: 100px 0;
    background: #fff;
}

.partners-showcase h2 {
    text-align: center;
    font-size: 36px;
    color: #222;
    margin-bottom: 60px;
    font-weight: 700;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.partner-item {
    background: #fff;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.partner-item img {
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
    object-fit: contain;
}

.partner-item:hover {
    transform: translateY(-10px);
}

.partner-item h3 {
    font-size: 24px;
    color: #222;
    margin-bottom: 16px;
    font-weight: 600;
}

.partner-item p {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
}

/* 合作伙伴优势 */
.partners-advantages {
    padding: 100px 0;
    background: #f7faff;
}

.partners-advantages h2 {
    text-align: center;
    font-size: 36px;
    color: #222;
    margin-bottom: 60px;
    font-weight: 700;
}

.advantages-list {
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.advantage-item:last-child {
    margin-bottom: 0;
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    flex-shrink: 0;
}

.advantage-icon img {
    width: 80px;
    height: 80px;
}

.advantage-content {
    flex: 1;
}

.advantage-content h3 {
    font-size: 24px;
    color: #222;
    margin-bottom: 16px;
    font-weight: 600;
}

.advantage-content .description {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
}

/* 团队介绍 */
.team {
    padding: 100px 0;
    background: #fff;
}

.team h2 {
    text-align: center;
    font-size: 36px;
    color: #222;
    margin-bottom: 60px;
    font-weight: 700;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.team-member {
    text-align: center;
}

.team-member img {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    margin-bottom: 24px;
    object-fit: cover;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.team-member h3 {
    font-size: 24px;
    color: #222;
    margin-bottom: 12px;
    font-weight: 600;
}

.team-member p {
    color: #1890ff;
    font-size: 18px;
    margin-bottom: 12px;
}

.team-member .description {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

/* 我们的承诺 */
.promises {
    padding: 100px 0;
    background: #fff;
}

.promises h2 {
    text-align: center;
    font-size: 36px;
    color: #222;
    margin-bottom: 60px;
    font-weight: 700;
}

.promises-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.promise-item {
    background: #f7faff;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.promise-item:hover {
    transform: translateY(-10px);
}

.promise-icon {
    margin-bottom: 24px;
}

.promise-icon img {
    width: 80px;
    height: 80px;
}

.promise-item h3 {
    font-size: 24px;
    color: #222;
    margin-bottom: 16px;
    font-weight: 600;
}

.promise-item .description {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .page-header .banner-text {
        max-width: 800px;
    }
    .page-header h1 {
        font-size: 42px;
    }
    .page-header p {
        font-size: 20px;
    }
    .page-header .banner-bottom-text {
        bottom: 20px;
        right: 20px;
    }
    .partners-grid,
    .promises-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .team-member img {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 992px) {
    .page-header {
        padding: 100px 0;
    }
    .page-header .banner-text {
        max-width: 700px;
    }
    .page-header h1 {
        font-size: 36px;
    }
    .page-header p {
        font-size: 18px;
    }
    .page-header .banner-bottom-text {
        position: static;
        margin-top: 20px;
        text-align: center;
        max-width: none;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 80px 0;
    }
    .page-header .banner-text {
        max-width: 90%;
    }
    .page-header h1 {
        font-size: 28px;
    }
    .page-header p {
        font-size: 16px;
    }
    .page-header .btn-primary {
        padding: 10px 25px;
        font-size: 16px;
    }
    .intro-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .intro-image {
        order: -1;
    }
    
    .partners-grid,
    .promises-grid {
        grid-template-columns: 1fr;
    }
    
    .partner-item img {
        width: 100px;
        height: 100px;
    }
    
    .advantage-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 30px;
        gap: 20px;
    }
    
    .advantage-icon img {
        width: 60px;
        height: 60px;
    }
    
    .team-member img {
        width: 180px;
        height: 180px;
    }
    
    .promise-item {
        padding: 30px 20px;
    }
    
    .promise-icon img {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 60px 0;
    }
    .page-header h1 {
        font-size: 24px;
    }
    .page-header p {
        font-size: 14px;
    }
    .intro-text h2,
    .partners-showcase h2,
    .partners-advantages h2,
    .team h2,
    .promises h2 {
        font-size: 28px;
    }
    
    .partner-item {
        padding: 30px 20px;
    }
    
    .partner-item img {
        width: 80px;
        height: 80px;
    }
    
    .advantage-item {
        padding: 20px;
    }
    
    .advantage-icon img {
        width: 50px;
        height: 50px;
    }
    
    .team-member img {
        width: 150px;
        height: 150px;
    }
    
    .promise-item {
        padding: 20px;
    }
    
    .promise-icon img {
        width: 50px;
        height: 50px;
    }
    
    .promise-item h3 {
        font-size: 20px;
    }
    
    .promise-item .description {
        font-size: 14px;
    }
}