.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
}
.header .layui-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}
.header .logo {
    color: #fff;
    font-size: 20px;
    font-weight: bold;
}
.header .nav .layui-nav {
    background: transparent;
}
.header .nav .layui-nav-item a {
    color: rgba(255,255,255,0.8);
}
.header .nav .layui-nav-item a:hover,
.header .nav .layui-this a {
    color: #fff;
}
.header .nav .layui-nav-bar,
.header .nav .layui-nav-tree .layui-nav-child dd.layui-this a {
    background: #fff;
}
.main {
    min-height: calc(100vh - 60px - 100px);
    margin-top: 60px;
    padding: 30px 0;
}
.footer {
    background: #2F4056;
    color: #fff;
    padding: 30px 0;
    text-align: center;
}
.footer p {
    margin: 5px 0;
    color: rgba(255,255,255,0.7);
}
.banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}
.banner h1 {
    font-size: 36px;
    margin-bottom: 20px;
}
.banner p {
    font-size: 18px;
    opacity: 0.9;
}
.section {
    padding: 60px 0;
}
.section-title {
    text-align: center;
    margin-bottom: 40px;
}
.section-title h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 10px;
}
.section-title p {
    color: #999;
}