/* 网页通用样式 */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #04072b, #0a034d);
    color: #ffffff;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    color: #f7b733; /* 亮橙色标题 */
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}

p {
    margin-bottom: 1em;
    color: #d0d0d0;
}

a {
    color: #5bc0de;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul, ol {
    margin-bottom: 1em;
    padding-left: 20px;
}

li {
    margin-bottom: 0.5em;
}

code {
    font-family: monospace;
    background-color: #222;
    color: #eee;
    padding: 0.5em;
    border-radius: 5px;
    display: block;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 1em;
}

pre {
    background-color: #222;
    color: #eee;
    padding: 1em;
    border-radius: 5px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 1em;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
}

th, td {
    border: 1px solid #444;
    padding: 0.5em;
    text-align: left;
}

th {
    background-color: #333;
    color: #fff;
}

/* 布局和容器样式 */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.header {
    background: rgba(0, 0, 0, 0.3);
    padding: 20px 0;
    text-align: center;
    margin-bottom: 30px;
}

.header h1 {
    color: #fff;
    margin: 0;
    font-size: 2.5em;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.section {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
}

.section-title {
    font-size: 2em;
    margin-bottom: 20px;
    border-bottom: 2px solid #f7b733;
    padding-bottom: 10px;
    display: inline-block;
}

/* 卡片网格布局 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.card {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    min-height: 100%;
}

.card-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-title {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 10px;
}

.card-description {
    color: #666;
    font-size: 1em;
    margin-bottom: 15px;
    flex-grow: 1;
}

.card-icon {
    font-size: 2em;
    color: #f7b733;
}

/* 代码示例样式 */
.code-example {
    background-color: #1e1e1e;
    color: #d4d4d4;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 20px;
    font-family: 'Courier New', monospace;
    line-height: 1.4;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        max-width: 960px;
    }
    .section {
        padding: 25px;
    }
    .section-title {
        font-size: 1.8em;
    }
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    .card-content {
        padding: 15px;
    }
    .card-title {
        font-size: 1.3em;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 720px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .header h1 {
        font-size: 2em;
    }
    .section {
        padding: 20px;
    }
    .section-title {
        font-size: 1.6em;
    }
    .card-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    .header h1 {
        font-size: 1.6em;
    }
    .section {
        padding: 15px;
    }
    .section-title {
        font-size: 1.4em;
    }
    .card-content {
        padding: 10px;
    }
    .card-title {
        font-size: 1.2em;
    }
}

@media (max-width: 320px) {
    .section {
        padding: 10px;
    }
    .section-title {
        font-size: 1.2em;
    }
    .card-content {
        padding: 5px;
    }
    .card-title {
        font-size: 1em;
    }
}

/* 特殊样式调整，增强视觉效果和细节 */
.header {
    background: linear-gradient(to right, rgba(10, 3, 77, 0.7), rgba(4, 7, 43, 0.7));
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.section {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(0, 0, 0, 0.1));
    backdrop-filter: blur(10px);
}

.card {
    background: linear-gradient(160deg, #f8f8f8, #ffffff);
    border: 1px solid #eee;
}

.card:nth-child(odd) {
    background: linear-gradient(160deg, #ffffff, #f8f8f8);
}

.card-title {
    color: #2c3e50; /* 深色标题更突出 */
}

.card-description {
    color: #555; /* 灰色描述更柔和 */
}

.code-example {
    border: 1px solid #333;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5) inset;
}

/* 文字排版优化 */
p {
    text-align: justify;
    hyphens: auto;
}

li {
    list-style-type: square;
}

/*  额外的视觉层级和装饰 */
.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: #f7b733;
    margin-top: 5px;
}

.card-icon {
    text-align: center;
    padding: 15px 0;
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid #eee;
}

/* 确保外部链接样式，虽然本例不应有外部链接 */
a[rel="nofollow"] {
    /* 可以添加特殊的样式来区分，但根据需求不显示 */
}

/* 响应式代码块换行，已经在 code 和 pre 样式中设置了 white-space 和 word-wrap */