/* 基础样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: #fff;
    overflow-x: hidden;
    min-height: 100vh;
}
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    max-width: 1440px;
    margin: 0 auto;
}
h1, h2, h3 {
    color: #ffffff;
    text-align: center;
    margin-bottom: 20px;
}
p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: justify;
}
a {
    color: #8f94fb;
    text-decoration: none;
    transition: all 0.3s ease;
}
a:hover {
    color: #6a8cff;
}
button {
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    border: none;
    color: #fff;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s ease;
}
button:hover {
    background: linear-gradient(135deg, #6a8cff, #4e54c8);
    box-shadow: 0 0 10px rgba(143, 148, 251, 0.5);
}
.section {
    width: 100%;
    margin-bottom: 40px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}
.card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin: 10px;
    transition: all 0.3s ease;
    text-align: center;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.image-box {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 10px;
}
.image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}
.image-box img:hover {
    transform: scale(1.1);
}
/* 响应式布局 */
@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 10px;
    }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1025px) {
    .grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
/* 特殊区域样式 */
.notice {
    background: linear-gradient(135deg, #8f94fb, #6a8cff);
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
}
.article-section {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    padding: 20px;
    border-radius: 10px;
}
.article-section pre {
    background: #f4f4f4;
    color: #333;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}