/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #4567b7, #f8bbd0);
    color: #333;
    line-height: 1.6;
}

/* 动画效果 */
@keyframes aurora-move {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.aurora-background {
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    animation: aurora-move 15s linear infinite;
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(69, 103, 183, 0.8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    z-index: 1000;
}

.navbar .logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    color: #FFD700;
}

.navbar ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.navbar ul li {
    margin-left: 20px;
}

.navbar ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.navbar ul li a:hover {
    color: #FFD700;
}

/* 侧边菜单 */
.sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 250px;
    height: calc(100% - 60px);
    background: rgba(248, 187, 208, 0.9);
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar.hidden {
    transform: translateX(-100%);
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin-bottom: 15px;
}

.sidebar ul li a {
    color: #4567b7;
    text-decoration: none;
    font-size: 18px;
    transition: color 0.3s ease;
}

.sidebar ul li a:hover {
    color: #FFD700;
}

/* 主内容区 */
.main-content {
    margin-left: 270px;
    padding: 80px 40px 40px 40px;
    max-width: 1200px;
    margin: 80px auto 40px auto;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.main-content h1, .main-content h2, .main-content h3 {
    font-family: 'Montserrat', sans-serif;
    color: #4567b7;
}

.main-content h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.main-content h2 {
    font-size: 28px;
    margin-top: 40px;
    margin-bottom: 15px;
}

.main-content h3 {
    font-size: 22px;
    margin-top: 30px;
    margin-bottom: 10px;
}

.main-content p {
    font-size: 16px;
    margin-bottom: 20px;
}

.main-content pre {
    background: #f0f0f0;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.main-content code {
    font-family: 'Courier New', Courier, monospace;
    color: #c7254e;
}

.main-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.main-content table, .main-content th, .main-content td {
    border: 1px solid #ddd;
}

.main-content th, .main-content td {
    padding: 12px;
    text-align: left;
}

.main-content th {
    background-color: #4567b7;
    color: white;
}

.main-content img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 20px;
}

.reference {
    background: rgba(69, 103, 183, 0.1);
    padding: 20px;
    border-left: 4px solid #FFD700;
    margin: 40px 0;
}

.reference h2 {
    font-size: 24px;
    margin-bottom: 15px;
}

.reference p {
    font-size: 16px;
}

.footer {
    text-align: center;
    padding: 20px;
    background: rgba(69, 103, 183, 0.8);
    color: #fff;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.footer p {
    margin: 0;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .main-content {
        max-width: 1100px;
    }
}

@media (max-width: 1200px) {
    .sidebar {
        width: 200px;
    }
    .main-content {
        margin-left: 220px;
        padding: 80px 20px 20px 20px;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        display: none;
    }
    .main-content {
        margin: 80px 20px 20px 20px;
    }
}

@media (max-width: 768px) {
    .navbar ul {
        display: none;
    }
    .sidebar {
        transform: translateX(-100%);
    }
    .main-content {
        margin: 80px 10px 10px 10px;
        padding: 80px 10px 10px 10px;
    }
}

@media (max-width: 480px) {
    .navbar .logo {
        font-size: 20px;
    }
    .sidebar {
        width: 150px;
    }
    .main-content h1 {
        font-size: 28px;
    }
    .main-content h2 {
        font-size: 22px;
    }
    .main-content h3 {
        font-size: 18px;
    }
    .main-content p {
        font-size: 14px;
    }
}

@media (max-width: 320px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }
    .navbar ul li {
        margin-left: 10px;
    }
    .main-content {
        padding: 80px 5px 5px 5px;
    }
}