.page-header {
    padding: 20px;
    margin: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

.page-title {
    margin: 0 0 15px 0;
    font-size: 26px;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.page-title i {
    color: #fff;
    margin-right: 10px;
    opacity: 0.9;
}

.page-meta {
    color: #fff;
    font-size: 14px;
}

.meta-item {
    display: inline-block;
    margin-right: 25px;
    opacity: 0.95;
}

.meta-item i {
    margin-right: 6px;
    color: #fff;
}

.meta-item strong {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
}

.page-content {
    padding: 25px;
    background: #fff;
}

.page-body {
    line-height: 1.8;
    color: #333;
    font-size: 14px;
}

/* 标题样式 */
.page-body h1,
.page-body h2,
.page-body h3,
.page-body h4,
.page-body h5,
.page-body h6 {
    margin-top: 25px;
    margin-bottom: 15px;
    font-weight: bold;
    color: #2c3e50;
}

.page-body h1 {
    font-size: 28px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
}

.page-body h2 {
    font-size: 24px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e1e8ed;
}

.page-body h3 {
    font-size: 20px;
    color: #667eea;
}

.page-body h4 { font-size: 18px; }
.page-body h5 { font-size: 16px; }
.page-body h6 { font-size: 14px; }

.page-body p {
    margin-bottom: 16px;
    text-align: justify;
}

.page-body ul,
.page-body ol {
    margin-bottom: 16px;
    padding-left: 30px;
}

.page-body li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.page-body ul li {
    list-style-type: disc;
}

.page-body ol li {
    list-style-type: decimal;
}

.page-body a {
    color: #667eea;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.page-body a:hover {
    color: #764ba2;
    border-bottom: 1px solid #764ba2;
}

.page-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-body blockquote {
    padding: 15px 20px;
    margin: 20px 0;
    border-left: 4px solid #667eea;
    background: linear-gradient(to right, #f8f9ff 0%, #fff 100%);
    color: #555;
    font-style: italic;
    border-radius: 4px;
}

.page-body blockquote p:last-child {
    margin-bottom: 0;
}

.page-body code {
    padding: 3px 8px;
    font-size: 90%;
    color: #e83e8c;
    background-color: #f8f9fa;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
}

.page-body pre {
    padding: 16px;
    margin-bottom: 20px;
    background-color: #f6f8fa;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    overflow-x: auto;
}

.page-body pre code {
    padding: 0;
    font-size: inherit;
    color: inherit;
    background-color: transparent;
    border-radius: 0;
}

.page-body table {
    width: 100%;
    margin-bottom: 20px;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.page-body table th,
.page-body table td {
    padding: 12px;
    border: 1px solid #e1e8ed;
    text-align: left;
}

.page-body table th {
    background: linear-gradient(to bottom, #667eea 0%, #764ba2 100%);
    color: #fff;
    font-weight: bold;
}

.page-body table tbody tr:nth-child(even) {
    background-color: #f8f9fa;
}

.page-body table tbody tr:hover {
    background-color: #f0f3ff;
}

.page-body hr {
    margin: 25px 0;
    border: 0;
    border-top: 2px solid #e1e8ed;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header {
        padding: 15px;
    }

    .page-title {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .page-meta {
        font-size: 13px;
    }

    .meta-item {
        display: block;
        margin-bottom: 8px;
        margin-right: 0;
    }

    .page-content {
        padding: 15px;
    }

    .page-body {
        font-size: 13px;
    }

    .page-body h1 { font-size: 24px; }
    .page-body h2 { font-size: 20px; }
    .page-body h3 { font-size: 18px; }
    .page-body h4 { font-size: 16px; }

    .page-body table {
        font-size: 12px;
    }

    .page-body table th,
    .page-body table td {
        padding: 8px;
    }
}