.knowledge-section {
    padding: 60px 0;
    background: #f8f9fa;
}
.knowledge-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.knowledge-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #333;
}
.knowledge-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}
.knowledge-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    padding: 30px;
    width: calc(50% - 15px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.knowledge-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.knowledge-card h2 {
    font-size: 28px;
    margin: 0 0 15px 0;
    color: #2c3e66;
}
.knowledge-card h2 a {
    color: #2c3e66;
    text-decoration: none;
}
.knowledge-card h2 a:hover {
    color: #6ac21d;
}
.knowledge-card p {
    font-size: 16px;
    line-height: 1.5;
    color: #666;
    margin: 0 0 20px 0;
}
.knowledge-link {
    display: inline-block;
    color: #6ac21d;
    font-weight: 600;
    text-decoration: none;
}
.knowledge-link:hover {
    text-decoration: underline;
}
@media (max-width: 768px) {
    .knowledge-card {
        width: 100%;
    }
    .knowledge-title {
        font-size: 32px;
    }
}
.knowledge-back {
    display: inline-block;
    margin-bottom: 30px;
    color: #6ac21d;
    font-weight: 600;
    text-decoration: none;
    font-size: 16px;
}
.knowledge-back:hover {
    text-decoration: underline;
}
.knowledge-container h1 {
    font-size: 36px;
    font-weight: 700;
    color: #2c3e66;
    margin-bottom: 30px;
}
.knowledge-container h2 {
    font-size: 26px;
    color: #2c3e66;
    margin: 35px 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e9ecef;
}
.knowledge-container h3 {
    font-size: 20px;
    color: #444;
    margin: 25px 0 10px;
}
.knowledge-container p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 18px;
}
.knowledge-container ul, .knowledge-container ol {
    margin: 15px 0 20px 25px;
}
.knowledge-container li {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 8px;
}
.knowledge-container strong {
    color: #333;
}
.knowledge-container table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.knowledge-container th {
    background: #2c3e66;
    color: #fff;
    padding: 12px 15px;
    text-align: left;
    font-size: 15px;
}
.knowledge-container td {
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
    font-size: 15px;
    color: #555;
}
.knowledge-container pre {
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 15px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    overflow-x: auto;
    margin: 15px 0;
    color: #333;
}
.knowledge-toc {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 25px 30px;
    margin-bottom: 35px;
}
.knowledge-toc h3 {
    margin-top: 0;
    font-size: 18px;
    color: #2c3e66;
    margin-bottom: 15px;
}
.knowledge-toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
    columns: 2;
}
.knowledge-toc li {
    margin-bottom: 8px;
}
.knowledge-toc a {
    color: #6ac21d;
    text-decoration: none;
    font-size: 15px;
}
.knowledge-toc a:hover {
    text-decoration: underline;
}
@media (max-width: 768px) {
    .knowledge-toc ul {
        columns: 1;
    }
    .knowledge-container h1 {
        font-size: 28px;
    }
    .knowledge-container h2 {
        font-size: 22px;
    }
}

/* Sticky footer для страниц базы знаний */