/* 北京时间工具样式 */

/* 时间显示区域 */
.time-display-area {
    margin-bottom: 40px;
}

.time-title {
    text-align: center;
    font-size: 2em;
    color: #333;
    margin-bottom: 10px;
}

.time-subtitle {
    text-align: center;
    font-size: 1.1em;
    color: #666;
    margin-bottom: 30px;
}

/* 主时钟显示 */
.main-clock {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
    margin-bottom: 30px;
}

.digital-clock {
    margin-bottom: 20px;
}

.clock-time {
    font-size: 4rem;
    font-weight: 700;
    color: white;
    font-family: 'Courier New', 'Monaco', monospace;
    display: inline-block;
    letter-spacing: 0.1em;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.clock-milliseconds {
    font-size: 2rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    font-family: 'Courier New', 'Monaco', monospace;
    display: inline-block;
    vertical-align: top;
    margin-top: 10px;
}

.clock-date {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 8px;
    font-weight: 500;
}

.clock-weekday {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
}

.lunar-date {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

/* 时区对比区域 */
.timezone-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.timezone-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.timezone-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.timezone-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 12px;
    font-weight: 500;
}

.timezone-time {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    font-family: 'Courier New', 'Monaco', monospace;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.timezone-diff {
    font-size: 0.85rem;
    color: #999;
}

/* 时间格式转换区域 */
.time-format-section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
    display: inline-block;
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.format-item {
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.format-item:hover {
    background: #e8eaf6;
    border-color: #667eea;
}

.format-label {
    font-weight: 600;
    color: #666;
    font-size: 0.95rem;
}

.format-value {
    font-family: 'Courier New', 'Monaco', monospace;
    color: #333;
    font-size: 0.9rem;
    text-align: right;
    word-break: break-all;
}

/* 时区信息区域 */
.timezone-info-section {
    margin-bottom: 40px;
}

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

.info-item {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.info-icon {
    font-size: 2rem;
}

.info-content {
    flex: 1;
}

.info-title {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 5px;
}

.info-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .clock-time {
        font-size: 2.5rem;
    }

    .clock-milliseconds {
        font-size: 1.5rem;
    }

    .time-title {
        font-size: 1.5em;
    }

    .timezone-comparison {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .timezone-time {
        font-size: 1.4rem;
    }

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

    .format-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .format-value {
        text-align: left;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .clock-time {
        font-size: 2rem;
    }

    .clock-milliseconds {
        font-size: 1.2rem;
    }

    .main-clock {
        padding: 30px 20px;
    }

    .timezone-comparison {
        grid-template-columns: 1fr;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.time-display-area {
    animation: fadeIn 0.5s ease;
}

.timezone-card,
.format-item,
.info-item {
    animation: fadeIn 0.5s ease;
}