/* 基础样式 */
body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
}

/* 竞赛内容容器 */
.competition-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 竞赛标题 */
.competition-header {
    text-align: center;
    margin: 40px 0;
}

.competition-header h1 {
    font-size: 2.5rem;
    color: #0066cc;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
    font-style: italic;
}

/* 竞赛介绍部分 */
.competition-intro {
    display: flex;
    align-items: center;
    gap: 40px;
    margin: 40px 0;
}

.competition-logo {
    width: 200px;
    height: auto;
}

.intro-text h2 {
    color: #333;
    border-bottom: 2px solid #0066cc;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* 详细信息卡片 */
.competition-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.detail-card {
    background: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.detail-card i {
    font-size: 2rem;
    color: #0066cc;
    margin-bottom: 15px;
}

/* 历史时间线 */
.competition-history {
    margin: 60px 0;
}

.history-timeline {
    position: relative;
    padding-left: 50px;
    margin-top: 30px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-year {
    position: absolute;
    left: -70px;
    top: 0;
    background: #0066cc;
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-weight: bold;
}

.timeline-content {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.timeline-image {
    max-width: 100%;
    height: auto;
    margin-top: 15px;
    border-radius: 4px;
}

/* 页脚样式 */
.competition-footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .competition-intro {
        flex-direction: column;
    }

    .competition-logo {
        margin-bottom: 20px;
    }

    .history-timeline {
        padding-left: 30px;
    }

    .timeline-year {
        left: -50px;
    }
}