* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部导航栏 */
.header {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #fbfdff;
}

.logo img {
    height: 40px;
    width: auto;
}

.search-box {
    display: flex;
    align-items: center;
}

.search {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    width: 300px;
}

.search-btn {
    padding: 8px 16px;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}

/* .nav-container {
    background-color: #1c6ace;
    padding: 10px 0;
} */

.nav {
    display: flex;
    justify-content: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0;
}

.nav-links li {
    position: relative;
}

.nav-links li:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 0;
    width: 1px;
    height: 60%;
    background-color: white;
    transform: translateX(0.5px);
}

.nav-links a {
    display: block;
    padding: 10px 30px;
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.nav-links a:hover {
    background-color: rgba(255,255,255,0.1);
}

/* 会议头图 */
.banner {
    position: relative;
    height: 270px;
    background: linear-gradient(135deg, #1c6ace 0%, #3a86ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.1" d="M0,224L48,218.7C96,213,192,203,288,186.7C384,171,480,149,576,160C672,171,768,213,864,208C960,203,1056,149,1152,133.3C1248,117,1344,139,1392,149.3L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    padding: 0 20px;
}

.banner-logo img {
    height: 60px;
    width: auto;
    margin-bottom: 20px;
}

.banner-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 18px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.banner-theme {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 16px;
}

.banner-date {
    font-size: 16px;
    opacity: 0.9;
}

/* 主要内容区 */
.main-content {
    padding: 40px 0;
    background-color: #f5f5f5;
}

.content-wrapper {
    display: flex;
    gap: 40px;
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 左侧边栏 */
.sidebar {
    flex: 0 0 250px;
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
}

.sidebar-section {
    margin-bottom: 30px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #1c6ace;
    padding-bottom: 8px;
    border-bottom: 2px solid #1c6ace;
}

.sidebar-links {
    list-style: none;
}

.sidebar-links li {
    margin-bottom: 10px;
}

.sidebar-links a {
    display: block;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.sidebar-links a:hover {
    background-color: #e3f2fd;
    color: #1c6ace;
    transform: translateX(5px);
}

/* 右侧主内容 */
.content {
    flex: 1;
    min-width: 0;
}

.section-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 25px;
    color: #1c6ace;
    padding-bottom: 10px;
    text-align: right;
    border-bottom: 2px solid #e0e0e0;


}

/* 会议信息 */
.meeting-info {
    margin-bottom: 40px;
}

.info-item {
    margin-bottom: 15px;
    font-size: 16px;
}

.info-label {
    font-weight: bold;
    color: #206acb;
    width: 120px;
    display: inline-block;
}

.info-value {
    color: #333;
}

/* 欢迎辞 */
.welcome-message {
    line-height: 1.6;
}

.message-content {
    font-size: 14px;
    color: #333;
}

.message-content p {
    margin-bottom: 15px;
}

.message-content strong {
    color: #1c6ace;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .content-wrapper {
        flex-direction: column;
        padding: 20px;
    }
    
    .sidebar {
        flex: 1;
        max-width: 100%;
    }
    
    .banner-title {
        font-size: 24px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .top-bar {
        flex-direction: column;
        gap: 10px;
        padding: 15px;
    }
    
    .search {
        width: 250px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links a {
        padding: 8px 15px;
        font-size: 14px;
    }
    
    .banner {
        height: 300px;
    }
    
    .banner-title {
        font-size: 20px;
    }
    
    .info-label {
        width: 100px;
        font-size: 14px;
    }
    
    .info-value {
        font-size: 14px;
    }
}