/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    display: flex;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    background: #f5f6fa;
}

/* 右侧主内容容器 */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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