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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #2d2d2d;
    --accent-color: #4a90e2;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #999999;
    --background: #ffffff;
    --card-background: #fafafa;
    --border-color: #e5e5e5;
    --warning-color: #e74c3c;
    --success-color: #27ae60;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

body {
    font-family: 'Inter', 'Noto Serif SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    min-height: calc(100vh - 40px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-wrapper {
    width: 100%;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    margin-bottom: 40px;
    text-align: center;
}

.logo-area {
    display: inline-flex;
    align-items: center;
    gap: 16px;
}

.logo-icon {
    color: var(--accent-color);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.site-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.main-content {
    margin-bottom: 40px;
}

.announcement-card {
    background: var(--background);
    border-radius: 16px;
    padding: 48px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.announcement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--warning-color));
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(231, 76, 60, 0.1);
    border-radius: 20px;
    margin-bottom: 24px;
    font-size: 13px;
    font-weight: 500;
    color: var(--warning-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--warning-color);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

.announcement-header {
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
}

.announcement-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    flex: 1;
    min-width: 300px;
}

.date-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--card-background);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.date-badge svg {
    color: var(--text-light);
}

.announcement-body {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.alert-box {
    display: flex;
    gap: 16px;
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.08) 0%, rgba(231, 76, 60, 0.08) 100%);
    border-left: 4px solid var(--accent-color);
    border-radius: 8px;
}

.alert-icon {
    color: var(--accent-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.alert-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.content-section {
    padding-top: 8px;
}

.section-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
    padding-left: 16px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 2px;
}

.section-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}

.warning-section {
    padding: 24px;
    background: rgba(231, 76, 60, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--warning-color);
}

.warning-text {
    color: var(--text-primary);
    font-weight: 500;
}

.warning-text strong {
    color: var(--warning-color);
    font-weight: 600;
}

.action-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.action-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--card-background);
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.action-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-icon {
    color: var(--accent-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.action-content {
    flex: 1;
}

.action-content strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.action-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.commitment-box {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(39, 174, 96, 0.1) 100%);
    border-radius: 12px;
    border: 2px solid rgba(74, 144, 226, 0.2);
}

.commitment-icon {
    color: var(--success-color);
    flex-shrink: 0;
}

.commitment-text {
    flex: 1;
}

.commitment-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-family: 'Noto Serif SC', serif;
}

.commitment-content {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Status Update Section */
.status-update-section {
    padding-top: 8px;
}

.status-update-box {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(108, 92, 231, 0.1) 100%);
    border-radius: 12px;
    border: 2px solid rgba(74, 144, 226, 0.2);
    position: relative;
}

.status-update-header {
    display: flex;
    gap: 16px;
}

.status-update-icon {
    color: var(--info-color);
    flex-shrink: 0;
}

.status-update-content {
    flex: 1;
}

.status-update-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-family: 'Noto Serif SC', serif;
}

.status-update-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.status-link-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #4a90e2 0%, #6c5ce7 100%);
    color: white;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    letter-spacing: 1px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
    align-self: flex-start;
}

.status-link-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
    background: linear-gradient(135deg, #5a9ff2 0%, #7c6df7 100%);
}

.status-link-button svg {
    transition: transform 0.3s ease;
}

.status-link-button:hover svg {
    transform: translateX(4px);
}

.footer-note {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-note p {
    font-size: 14px;
    color: var(--text-light);
}

.footer {
    text-align: center;
    padding: 24px 0;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 12px;
    }

    .site-title {
        font-size: 28px;
    }

    .announcement-card {
        padding: 32px 24px;
    }

    .announcement-title {
        font-size: 24px;
    }

    .announcement-header {
        flex-direction: column;
    }

    .date-badge {
        align-self: flex-start;
    }

    .alert-box,
    .commitment-box,
    .status-update-box {
        flex-direction: column;
    }

    .status-update-header {
        flex-direction: column;
    }

    .action-item {
        flex-direction: column;
    }

    .section-title {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .site-title {
        font-size: 24px;
    }

    .announcement-card {
        padding: 24px 16px;
    }

    .announcement-title {
        font-size: 20px;
    }

    .logo-area {
        flex-direction: column;
        gap: 12px;
    }
}

/* 打印样式 */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .announcement-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .status-indicator,
    .date-badge {
        border: 1px solid #ddd;
    }
}