:root {
    --primary-blue: #006855; /* #0a4da2; */
    --primary-light: #e6f0fa;
    --primary-dark: #008153; /* #083d80; */
    --primary-darker: #00a450; /* #063066; */
    --text-dark: #2c3e50;
    --text-medium: #4a5568;
    --text-light: #718096;
    --border-color: #cbd5e0;
    --bg-light: #f8fafc;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

/* 头部样式 */
header {
    background: var(--primary-blue);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

header::before,
header::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

header::before {
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
}

header::after {
    bottom: -30px;
    left: 10%;
    width: 150px;
    height: 150px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: scale(1.05);
}

.logo-icon i {
    color: var(--primary-blue);
    font-size: 24px;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 1px;
}

.logo-subtext {
    font-size: 13px;
    opacity: 0.9;
    margin-top: 2px;
}

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

.search-box input {
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    width: 300px;
    font-size: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.search-box button {
    background: white;
    border: none;
    color: var(--primary-blue);
    padding: 10px 18px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}

.search-box button:hover {
    background: var(--primary-light);
}

/* 会议标题栏 */
.conference-header {
    margin: 20px 0;
    padding: 15px 20px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 100px;
}

.conference-title-section {
    flex: 1;
}

.conference-header h1 {
    color: var(--primary-blue);
    font-size: 22px;
    margin-bottom: 8px;
}

.conference-path {
    color: var(--text-light);
    font-size: 13px;
}

.conference-path a {
    color: var(--text-light);
    text-decoration: none;
}

.conference-path a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* 会议状态和二维码区域 */
.conference-status-qrcode {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 100%;
}

.conference-status {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.conference-status i {
    margin-right: 8px;
    font-size: 16px;
}

.conference-status-stop {
    background: #777977;
    color: #cccdcc;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.conference-status-stop i {
    margin-right: 8px;
    font-size: 16px;
}

.conference-status-play {
    background: #673AB7;
    color: #ffffff;
    padding: 10px;
    border-radius: 10px;
    font-size: 15px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    margin-left: 10px;
    height: 68px;
    flex-direction: column;
}

.conference-status-play i {
    margin-right: 8px;
    font-size: 16px;
}

.conference-status-play a {
    color: #e6f0fa;
    text-align: center;
    text-decoration: none;
}

/* 倒计时样式 */
.countdown {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.countdown i {
    margin-right: 8px;
    font-size: 16px;
}

.countdown-value {
    color: var(--primary-blue);
    font-weight: bold;
    margin: 0 5px;
}

.qrcode-container {
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.qrcode-wrapper {
    height: 70px; /* 与区域高度匹配 */
    width: 70px;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.qrcode-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: white;
    padding: 4px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.qrcode-container:hover .qrcode-wrapper {
    transform: scale(3);
    z-index: 10;
}

.qrcode-text {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 8px;
    font-weight: 500;
}

/* 主图区域 */
.main-image {
    width: 100%;
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.main-image:hover img {
    transform: scale(1.02);
}

/* 日期信息区域 */
.date-info {
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.date-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.date-item {
    flex: 1;
    min-width: 200px;
    padding: 15px;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
}

.date-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.date-label {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.date-label i {
    margin-right: 8px;
    color: var(--primary-blue);
}

.date-value {
    color: var(--text-dark);
    font-size: 15px;
}

/* 主要内容区域 */
.main-content {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

/* 左侧导航 */
.sidebar {
    width: 240px;
    flex-shrink: 0;
}

.nav-menu {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.nav-item {
    padding: 15px 20px;
    color: var(--text-dark);
    text-decoration: none;
    display: block;
    border-left: 4px solid transparent;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
}

.nav-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
    color: var(--text-medium);
}

.nav-item:hover {
    background: var(--primary-light);
    color: var(--primary-blue);
}

.nav-item:hover i {
    color: var(--primary-blue);
}

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
}

.nav-item.active i {
    color: var(--primary-blue);
}

/* 右侧内容区 */
.content-area {
    flex: 1;
}

.content-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.content-title {
    color: var(--primary-blue);
    padding-bottom: 12px;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--primary-light);
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.content-title i {
    margin-right: 10px;
    font-size: 16px;
}

.meeting-info {
    padding: 10px 40px;
}

.meeting-info p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.info-highlight {
    color: var(--primary-blue);
    font-weight: 500;
}

/* 会议动态 */
.dynamic-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.dynamic-item {
    padding: 15px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.dynamic-item:hover {
    border-color: var(--primary-blue);
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.dynamic-title {
    color: var(--primary-dark);
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.dynamic-title i {
    margin-right: 8px;
    color: var(--primary-blue);
}

.dynamic-date {
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 10px;
}

.dynamic-date-ex {
    color: var(--text-light);
    font-size: 14px;
}

.dynamic-content {
    color: var(--text-medium);
    font-size: 14px;
    line-height: 1.7;
}

.dynamic-more {
    display: inline-block;
    margin-top: 10px;
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.dynamic-more:hover {
    text-decoration: none;
    color: var(--primary-dark);
}

/* 联系我们 */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 10px 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
}

.contact-item i {
    color: var(--primary-blue);
    margin-right: 10px;
    margin-top: 4px;
    width: 20px;
    text-align: center;
}

.contact-details {
    color: var(--text-dark);
}

.contact-label {
    font-weight: 500;
}

/* 页脚样式 */
footer {
    background: var(--primary-dark);
    color: white;
    padding: 20px 0;
    margin-top: auto;
}

.footer-content {
    text-align: center;
}

.footer-copyright {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
    }

    .nav-menu {
        display: flex;
        overflow-x: auto;
        scrollbar-width: thin;
    }

    .nav-item {
        border-left: none;
        border-bottom: 4px solid transparent;
        white-space: nowrap;
    }

    .nav-item.active {
        border-left: none;
        border-bottom-color: var(--primary-blue);
    }

    .header-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-box {
        margin-top: 15px;
        width: 100%;
    }

    .search-box input {
        width: 100%;
    }

    .conference-header {
        flex-direction: column;
        align-items: flex-start;
        min-height: auto;
    }

    .conference-status-qrcode {
        margin-top: 15px;
        width: 100%;
        flex-wrap: wrap;
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    .main-image {
        height: 200px;
    }

    .date-item {
        min-width: 100%;
    }

    .conference-header h1 {
        font-size: 18px;
    }

    .conference-status-qrcode {
        flex-direction: column;
        align-items: flex-start;
    }

    .countdown {
        margin-top: 10px;
    }

    .qrcode-container {
        margin-top: 10px;
        align-items: flex-start;
    }
}