body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.header {
    text-align: center;
    margin-bottom: 40px;
    padding-top: 20px;
}
.header h1 {
    font-size: 2.5rem;
    color: #4a90e2;
    margin: 0;
}
.header p {
    font-size: 1.2rem;
    color: #555;
    margin-top: 10px;
}
.tabs {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}
.tab {
    padding: 15px 25px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    color: #333;
}
.tab:hover {
    background-color: #f0f8ff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.tab.active {
    background-color: #4a90e2;
    color: #fff;
    border-color: #4a90e2;
    transform: scale(1.05);
}
.content {
    width: 100%;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    padding: 20px;
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.3s ease-in-out;
}
.content.active {
    opacity: 1;
    transform: scale(1);
}
h2 {
    font-size: 1.8rem;
    color: #4a90e2;
    margin-bottom: 15px;
}
p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 15px;
}
pre {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    color: #333;
    overflow-x: auto;
    white-space: pre-wrap;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid #ddd;
}
th {
    background-color: #f0f8ff;
    color: #4a90e2;
}
.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}
.image-item img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.image-item img:hover {
    transform: scale(1.1);
}
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    .tab {
        font-size: 0.9rem;
        padding: 10px 20px;
    }
    .content {
        padding: 15px;
    }
}
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }
    .tabs {
        flex-direction: column;
        align-items: center;
    }
    .tab {
        width: 100%;
        text-align: center;
    }
}