* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: #333;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f1ff 100%);
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
header {
    background: linear-gradient(to right, #0066cc, #0080ff);
    color: white;
    padding: 2rem 0;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 2rem;
    font-weight: bold;
}
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}
.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}
.nav-menu a:hover {
    color: #ccddff;
}
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}
footer {
    background-color: #0066cc;
    color: white;
    text-align: center;
    padding: 2rem 0;
}
footer a {
    color: #ccddff;
}
h2 {
    color: #0066cc;
    margin-bottom: 2rem;
}
.hero-section {
    background: white;
    padding: 2rem;
    margin: 2rem 0;
    border-radius: 8px;
    text-align: center;
}
.categories-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}
.category-box {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
    color: #0066cc;
}
.comparison-filter {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}
.search-box, .filter-select {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.search-box {
    flex: 1;
}
.comparison-table {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
th {
    background: #0066cc;
    color: white;
}
.best {
    color: green;
    font-weight: bold;
}
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}
.category-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.category-card h3 {
    color: #0066cc;
    margin-bottom: 0.5rem;
}
.explore-link {
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
}
.btn {
    background: #0066cc;
    color: white;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}