* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
    background-color: #f8f9fa;
    color: #333;
}

/* 背景图片容器，用于应用模糊效果 */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--bg-image, url('background.jpg'));
    background-size: cover;
    background-position: center;
    filter: blur(3px);
    -webkit-filter: blur(3px);
    z-index: -1;
}

.landing-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    z-index: 1;
}

.content {
    text-align: center;
    z-index: 10;
    padding: 2.5rem;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    min-width: 350px;
    transition: all 0.3s ease;
}

.content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

h1 {
    font-size: 4rem;
    color: white;
    margin-bottom: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: 300;
    letter-spacing: 1px;
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 2.5rem;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    border-radius: 50px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.primary {
    background-color: #4a6bff;
    color: white;
    border: 2px solid #4a6bff;
}

.primary:hover {
    background-color: #3451d1;
    border-color: #3451d1;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(74, 107, 255, 0.3);
}

.secondary {
    background-color: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2);
}

/* 媒体查询，确保在移动设备上也有良好的显示效果 */
@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }
    
    .buttons {
        flex-direction: column;
    }
    
    .btn {
        padding: 12px 28px;
        font-size: 1.1rem;
    }
} 

/* 红色边框按钮样式 */
.nav-buttons {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 15px;
}

.nav-button {
    display: inline-block;
    padding: 8px 16px;
    text-decoration: none;
    color: #333;
    background-color: transparent;
    border: 2px solid #ff0000;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background-color: #ff0000;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 0, 0, 0.3);
}

.nav-button.active {
    background-color: #ff0000;
    color: white;
}