/* 全局样式设置 */
body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #00264d, #004c99);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin: 1.5rem 0 1rem;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.3);
}

p {
    font-size: 1rem;
    margin: 1rem 0;
}

code {
    background-color: rgba(0, 255, 255, 0.2);
    border-radius: 4px;
    padding: 0.2rem 0.4rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    display: inline-block;
}

pre {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

th, td {
    padding: 0.8rem;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

th {
    background-color: rgba(0, 255, 255, 0.1);
}

a {
    color: #00ffff;
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

a:hover {
    color: #00ff00;
}

/* 布局样式 */
section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    box-sizing: border-box;
}

section:nth-child(odd) {
    background: linear-gradient(135deg, #00264d, #004c99);
}

section:nth-child(even) {
    background: linear-gradient(135deg, #004c99, #00264d);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }
}

/* 动画与交互效果 */
.button {
    background-color: #00ffff;
    color: #00264d;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.button:hover {
    transform: scale(1.1);
    box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.3);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

/* 提示信息样式 */
.tip {
    background-color: rgba(0, 0, 0, 0.7);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin: 1rem 0;
}