/* 基础样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A2463, #1E90FF);
    color: #ffffff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: #ffffff;
    margin: 20px 0 10px 0;
}

p {
    line-height: 1.6;
    margin: 10px 0;
}

a {
    color: #00C6FB;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #005BEA;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}

.header {
    text-align: center;
    padding: 50px 0;
    background: rgba(10, 36, 99, 0.8);
    border-bottom: 2px solid #1E90FF;
}

.header h1 {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(90deg, #00C6FB, #005BEA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientMove 15s linear infinite;
}

@keyframes gradientMove {
    0% { background-position: 0%;}
    100% { background-position: 100%;}
}

.section {
    padding: 40px 0;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
}

.button {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, #00C6FB, #005BEA);
    border: none;
    border-radius: 25px;
    color: #ffffff;
    cursor: pointer;
    transition: transform 0.3s ease, background 0.3s ease;
}

.button:hover {
    transform: scale(1.1);
    background: linear-gradient(135deg, #005BEA, #00C6FB);
}

.code-block {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    color: #00FFAA;
}

@media (max-width: 1440px) {
    .grid-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1200px) {
    .grid-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
    .header h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 320px) {
    .header h1 {
        font-size: 1.8rem;
    }
}

.footer {
    text-align: center;
    padding: 20px 0;
    background: rgba(10, 36, 99, 0.8);
    border-top: 2px solid #1E90FF;
}

.footer p {
    margin: 0;
    font-size: 0.9rem;
}

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

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    animation: aurora-move 15s linear infinite;
    z-index: -1;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table, th, td {
    border: 1px solid #1E90FF;
}

th, td {
    padding: 10px;
    text-align: left;
}

th {
    background-color: rgba(0, 0, 0, 0.5);
}

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

/* 图片样式 */
img {
    width: 100%;
    border-radius: 10px;
    margin: 10px 0;
}