/* ==============================================
   合并的CSS样式文件 - 适用于所有页面
   ============================================== */

/* 基础重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础body样式 */
body {
    font-family: "Microsoft JhengHei", "微软正黑体", "Segoe UI", Tahoma, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #2c3e50;
    line-height: 1.5;
    min-height: 100vh;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 0;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.nav-links a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* 返回链接样式 */
.back-link {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 12px;
    display: inline-block;
    margin: 25px 0;
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.back-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    color: white;
}

/* 页面标题样式 */
.page-title {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 30px;
    margin-bottom: 30px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.5);
}

.page-title h2 {
    color: #2c3e50;
    margin-bottom: 12px;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.page-subtitle {
    color: #7f8c8d;
    font-size: 1rem;
    font-weight: 500;
}

/* ==============================================
   主内容区域样式 (适用于主页面和关于页面)
   ============================================== */
.main-content {
    display: flex;
    gap: 20px;
    margin: 20px 0;
    align-items: flex-start;
}

.sidebar {
    flex: 0 0 280px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    padding: 24px;
    position: sticky;
    top: 120px;
    max-height: calc(200vh - 140px);
    overflow-y: auto;
    border: 1px solid rgba(255,255,255,0.5);
}

.sidebar h3 {
    color: #2c3e50;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 3px solid;
    border-image: linear-gradient(90deg, #667eea, #764ba2) 1;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.content-area {
    flex: 1;
    min-width: 0;
}

/* ==============================================
   会议相关样式 (主页面)
   ============================================== */
.meeting-item {
    padding: 15px;
    margin-bottom: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    background: linear-gradient(135deg, #fff 0%, #f0f3ff 100%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.meeting-item:hover {
    background: linear-gradient(135deg, #f8f9ff 0%, #ecf0ff 100%);
    border-left-color: #667eea;
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.2);
}

.meeting-item.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-left-color: #fff;
    color: white;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.meeting-date {
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.meeting-item.active .meeting-date {
    color: white;
}

.meeting-info {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 500;
}

.meeting-item.active .meeting-info {
    color: rgba(255,255,255,0.9);
}

.meeting-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    padding: 30px;
    margin-bottom: 30px;
    scroll-margin-top: 140px;
    border: 1px solid rgba(255,255,255,0.5);
    transition: all 0.3s ease;
}

.meeting-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.meeting-header {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, #667eea, #764ba2) 1;
}

.meeting-title {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 倒计时样式 */
.countdown {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.countdown-item {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 15px;
    border-radius: 12px;
    min-width: 70px;
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.countdown-number {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

.countdown-label {
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.meeting-info-box {
    display: flex;
    justify-content: space-around;
    background: linear-gradient(135deg, #f8f9ff 0%, #ecf0ff 100%);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

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

.info-label {
    font-size: 0.95rem;
    color: #7f8c8d;
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.info-value {
    font-weight: 600;
    color: #2c3e50;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

/* ==============================================
   概率图表样式 (主页面)
   ============================================== */
.probability-chart {
    margin-bottom: 25px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding-bottom: 25px;
}

.probability-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: nowrap;
    min-height: 35px;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.probability-item:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: translateX(4px);
}

.rate-range {
    width: 120px;
    font-weight: 600;
    color: #2c3e50;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.probability-bar {
    flex: 1;
    height: 35px;
    background: linear-gradient(135deg, #ecf0f1 0%, #d5dbdb 100%);
    border-radius: 18px;
    overflow: hidden;
    margin: 0 15px;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.probability-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 18px;
    transition: width 0.8s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.probability-value {
    width: 70px;
    text-align: right;
    font-weight: 600;
    color: #2c3e50;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

/* 概率表格样式 */
.probability-table {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    border: 1px solid rgba(255,255,255,0.3);
}

.table-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    padding: 15px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}

.table-row {
    display: flex;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    align-items: center;
    background: white;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.table-row:hover {
    background: linear-gradient(135deg, #f8f9ff 0%, #ecf0ff 100%);
    transform: translateX(2px);
}

.table-row:last-child {
    border-bottom: none;
}

.col-rate {
    flex: 2;
    min-width: 80px;
    font-weight: 500;
}

.col-current {
    flex: 1;
    text-align: center;
    min-width: 50px;
    font-weight: 600;
}

.col-prev-day {
    flex: 1;
    text-align: center;
    min-width: 50px;
    font-weight: 500;
}

.col-prev-week {
    flex: 1;
    text-align: center;
    min-width: 50px;
    font-weight: 500;
}

.col-history {
    flex: 1;
    text-align: right;
    min-width: 60px;
}

.history-link {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    font-weight: 500;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.history-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    color: white;
}

/* ==============================================
   历史页面特有样式
   ============================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.info-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    padding: 24px;
    border: 1px solid rgba(255,255,255,0.5);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.info-card h3 {
    color: #2c3e50;
    margin-bottom: 18px;
    font-size: 1.2rem;
    font-weight: 600;
    border-bottom: 3px solid;
    border-image: linear-gradient(90deg, #667eea, #764ba2) 1;
    padding-bottom: 10px;
    letter-spacing: 0.5px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.info-row:last-child {
    border-bottom: none;
}

.probability-current {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 图表容器样式 */
.chart-container {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid rgba(255,255,255,0.5);
}

.chart-container h3 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 1.3rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.5px;
}

.chart-wrapper {
    position: relative;
    height: 400px;
    margin-bottom: 25px;
    background: rgba(255,255,255,0.7);
    border-radius: 12px;
    padding: 15px;
}

.chart-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.chart-control-btn {
    background: linear-gradient(135deg, #ecf0f1 0%, #bdc3c7 100%);
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.chart-control-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.chart-control-btn:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.stat-item {
    background: linear-gradient(135deg, #fff 0%, #f0f3ff 100%);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.3);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.stat-label {
    font-size: 0.85rem;
    color: #7f8c8d;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.trend-indicator {
    display: inline-block;
    margin-left: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 6px;
}

.trend-up {
    color: #27ae60;
    background: rgba(39, 174, 96, 0.1);
}

.trend-down {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

.trend-neutral {
    color: #f39c12;
    background: rgba(243, 156, 18, 0.1);
}

/* 数据表格样式 */
.data-table {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    overflow: hidden;
    margin-bottom: 30px;
    border: 1px solid rgba(255,255,255,0.5);
}

.data-table h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 25px;
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.table-container {
    max-height: 350px;
    overflow-y: auto;
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 0.95rem;
}

.data-table th {
    background: linear-gradient(135deg, #f8f9ff 0%, #ecf0ff 100%);
    font-weight: 600;
    color: #2c3e50;
    position: sticky;
    top: 0;
    letter-spacing: 0.3px;
}

.data-table tr:hover {
    background: linear-gradient(135deg, #f8f9ff 0%, #ecf0ff 100%);
}

/* ==============================================
   关于页面特有样式
   ============================================== */
.nav-item {
    padding: 15px;
    margin-bottom: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    background: linear-gradient(135deg, #fff 0%, #f0f3ff 100%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.nav-item:hover {
    background: linear-gradient(135deg, #f8f9ff 0%, #ecf0ff 100%);
    border-left-color: #667eea;
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.2);
}

.nav-item.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-left-color: #fff;
    color: white;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.nav-item-title {
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.nav-item.active .nav-item-title {
    color: white;
}

.content-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    padding: 30px;
    margin-bottom: 30px;
    scroll-margin-top: 140px;
    border: 1px solid rgba(255,255,255,0.5);
    transition: all 0.3s ease;
    display: none;
}

.content-section.active {
    display: block;
}

.content-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.section-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, #667eea, #764ba2) 1;
}

.section-title {
    color: #2c3e50;
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.section-subtitle {
    color: #7f8c8d;
    font-size: 0.95rem;
    font-weight: 500;
}

.section-content {
    line-height: 1.8;
    color: #34495e;
    font-size: 0.95rem;
}

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

.section-content ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.section-content ul li {
    margin-bottom: 8px;
    color: #34495e;
}

.highlight-box {
    background: linear-gradient(135deg, #f8f9ff 0%, #ecf0ff 100%);
    padding: 20px;
    border-radius: 12px;
    margin: 20px 0;
    border-left: 4px solid #667eea;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.contact-info {
    background: linear-gradient(135deg, #fff 0%, #f0f3ff 100%);
    padding: 25px;
    border-radius: 12px;
    margin: 20px 0;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.contact-email {
    font-size: 1.1rem;
    font-weight: 600;
    color: #667eea;
    margin: 10px 0;
    letter-spacing: 0.3px;
}

.contact-email a {
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-email a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* ==============================================
   通用样式
   ============================================== */
.intro-text {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    border: 1px solid rgba(255,255,255,0.5);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    line-height: 1.6;
}

.update-time {
    text-align: center;
    padding: 20px;
    color: #7f8c8d;
    font-size: 0.95rem;
    font-weight: 500;
    background: linear-gradient(135deg, #f8f9ff 0%, #ecf0ff 100%);
    border-radius: 12px;
    letter-spacing: 0.3px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

/* ==============================================
   Footer 样式
   ============================================== */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    margin-top: 50px;
    padding: 40px 0 20px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
    letter-spacing: 0.5px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding: 4px 0;
    display: inline-block;
}

.footer-section ul li a:hover {
    color: white;
    transform: translateX(4px);
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.footer-social a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    text-align: center;
    line-height: 40px;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.update-status {
    color: #27ae60;
    font-weight: 600;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.5;
}

.footer-disclaimer {
    font-size: 0.8rem !important;
    color: rgba(255, 255, 255, 0.6) !important;
}

.footer-links {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    padding: 4px 0;
}

.footer-links a:hover {
    color: white;
    text-decoration: underline;
}

/* ==============================================
   响应式设计 - 平板设备 (768px)
   ============================================== */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }

    header {
        padding: 15px 0;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .nav-links a {
        padding: 8px 14px;
        font-size: 0.9rem;
    }

    .main-content {
        gap: 10px;
        margin: 15px 0;
    }

    .sidebar {
        flex: 0 0 120px;
        padding: 8px;
        top: 80px;
    }

    .sidebar h3 {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }

    .meeting-item, .nav-item {
        padding: 6px;
        margin-bottom: 4px;
    }

    .meeting-date, .nav-item-title {
        font-size: 0.75rem;
    }

    .meeting-info {
        font-size: 0.65rem;
    }

    .intro-text {
        padding: 12px;
        font-size: 0.85rem;
        margin-bottom: 15px;
    }

    .meeting-section, .content-section {
        padding: 12px;
        margin-bottom: 15px;
    }

    .meeting-title, .section-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .countdown {
        gap: 6px;
        margin-bottom: 10px;
    }

    .countdown-item {
        min-width: 35px;
        padding: 4px;
    }

    .countdown-number {
        font-size: 0.9rem;
    }

    .countdown-label {
        font-size: 0.6rem;
    }

    .meeting-info-box {
        padding: 10px;
        gap: 8px;
    }

    .info-label {
        font-size: 0.7rem;
    }

    .info-value {
        font-size: 0.8rem;
    }

    .probability-item {
        margin-bottom: 6px;
        min-height: 20px;
    }

    .rate-range {
        flex: 0 0 80px;
        font-size: 0.65rem;
    }

    .probability-bar {
        height: 20px;
        margin: 0 6px;
        min-width: 60px;
        flex: 1 1 auto;
    }

    .probability-value {
        flex: 0 0 35px;
        font-size: 0.7rem;
    }

    .table-header, .table-row {
        font-size: 0.65rem;
        padding: 4px 6px;
    }

    .col-rate {
        flex: 2;
        min-width: 60px;
    }

    .col-current, .col-prev-day, .col-prev-week {
        flex: 1;
        min-width: 35px;
    }

    .col-history {
        flex: 1;
        min-width: 40px;
    }

    .history-link {
        padding: 2px 4px;
        font-size: 0.6rem;
    }

    .update-time {
        padding: 8px;
        font-size: 0.7rem;
    }

    /* 历史页面平板适配 */
    .info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 20px;
    }

    .info-card {
        padding: 15px;
    }

    .info-card h3 {
        font-size: 1rem;
    }

    .chart-container {
        padding: 15px;
        margin-bottom: 20px;
    }

    .chart-wrapper {
        height: 300px;
    }

    .chart-controls {
        gap: 5px;
    }

    .chart-control-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-item {
        padding: 10px;
    }

    .stat-value {
        font-size: 1.1rem;
    }

    .data-table th, .data-table td {
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    .table-container {
        max-height: 250px;
    }

    .page-title {
        padding: 12px;
        margin-bottom: 15px;
    }

    .page-title h2 {
        font-size: 1.2rem;
        margin-bottom: 8px;
    }

    .page-subtitle {
        font-size: 0.85rem;
    }

    .section-content {
        font-size: 0.85rem;
    }

    .highlight-box {
        padding: 10px;
        margin: 10px 0;
    }

    .contact-info {
        padding: 15px;
    }

    .contact-email {
        font-size: 1rem;
    }

    /* Footer 平板适配 */
    footer {
        padding: 30px 0 15px 0;
        margin-top: 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-bottom: 25px;
    }

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

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .footer-links {
        justify-content: center;
        gap: 20px;
    }
}

/* ==============================================
   响应式设计 - 手机设备 (480px)
   ============================================== */
@media (max-width: 480px) {
    .container {
        padding: 0 5px;
    }

    header {
        padding: 8px 0;
    }

    .header-content {
        gap: 8px;
    }

    .logo h1 {
        font-size: 1rem;
    }

    .nav-links {
        gap: 10px;
    }

    .nav-links a {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .main-content {
        gap: 8px;
        margin: 10px 0;
    }

    .sidebar {
        flex: 0 0 100px;
        padding: 6px;
        top: 70px;
    }

    .sidebar h3 {
        font-size: 0.8rem;
        margin-bottom: 6px;
    }

    .meeting-item, .nav-item {
        padding: 4px;
        margin-bottom: 3px;
    }

    .meeting-date, .nav-item-title {
        font-size: 0.7rem;
        margin-bottom: 2px;
    }

    .meeting-info {
        font-size: 0.6rem;
    }

    .intro-text {
        padding: 10px;
        font-size: 0.8rem;
        margin-bottom: 10px;
    }

    .meeting-section, .content-section {
        padding: 10px;
        margin-bottom: 12px;
    }

    .meeting-title, .section-title {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .countdown {
        gap: 4px;
        margin-bottom: 8px;
    }

    .countdown-item {
        min-width: 30px;
        padding: 3px;
    }

    .countdown-number {
        font-size: 0.8rem;
    }

    .countdown-label {
        font-size: 0.55rem;
    }

    .meeting-info-box {
        padding: 8px;
        gap: 6px;
    }

    .info-label {
        font-size: 0.65rem;
    }

    .info-value {
        font-size: 0.75rem;
    }

    .probability-chart {
        padding-bottom: 12px;
    }

    .probability-item {
        margin-bottom: 5px;
        min-height: 18px;
    }

    .rate-range {
        flex: 0 0 70px;
        font-size: 0.58rem;
    }

    .probability-bar {
        height: 18px;
        margin: 0 4px;
        min-width: 50px;
    }

    .probability-value {
        flex: 0 0 30px;
        font-size: 0.6rem;
    }

    .table-header, .table-row {
        font-size: 0.6rem;
        padding: 3px 4px;
    }

    .col-rate {
        flex: 2;
        min-width: 50px;
    }

    .col-current, .col-prev-day, .col-prev-week {
        flex: 1;
        min-width: 30px;
    }

    .col-history {
        flex: 1;
        min-width: 35px;
    }

    .history-link {
        padding: 1px 3px;
        font-size: 0.55rem;
        border-radius: 2px;
    }

    .update-time {
        padding: 6px;
        font-size: 0.65rem;
    }

    .page-title {
        padding: 10px;
        margin-bottom: 10px;
    }

    .page-title h2 {
        font-size: 1.1rem;
    }

    .page-subtitle {
        font-size: 0.8rem;
    }

    .section-content {
        font-size: 0.8rem;
        line-height: 1.6;
    }

    .section-content p {
        margin-bottom: 10px;
    }

    .highlight-box {
        padding: 8px;
        margin: 8px 0;
    }

    .contact-info {
        padding: 12px;
    }

    .contact-email {
        font-size: 0.9rem;
    }

    /* 历史页面手机适配 */
    .chart-container {
        padding: 12px;
    }

    .chart-wrapper {
        height: 250px;
    }

    .chart-control-btn {
        padding: 5px 10px;
        font-size: 0.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 1rem;
    }

    .data-table h3 {
        padding: 12px 15px;
        font-size: 1rem;
    }

    .data-table th, .data-table td {
        padding: 6px 8px;
        font-size: 0.75rem;
    }

    /* Footer 小屏幕适配 */
    footer {
        padding: 25px 0 10px 0;
    }

    .footer-content {
        gap: 20px;
        margin-bottom: 20px;
    }

    .footer-section h4 {
        font-size: 1rem;
    }

    .footer-section p, .footer-section ul li a {
        font-size: 0.85rem;
    }

    .footer-social a {
        width: 35px;
        height: 35px;
        line-height: 35px;
        font-size: 1rem;
    }

    .footer-links {
        gap: 15px;
    }

    .footer-links a {
        font-size: 0.8rem;
    }
}

/* ==============================================
   极小屏幕额外优化 (360px)
   ============================================== */
@media (max-width: 360px) {
    .rate-range {
        flex: 0 0 65px;
        font-size: 0.55rem;
    }
    
    .probability-bar {
        margin: 0 3px;
        min-width: 40px;
    }
    
    .probability-value {
        flex: 0 0 28px;
        font-size: 0.55rem;
    }
}