* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom, #E6F3FF 0%, #FFFFFF 50%, #F5F5F5 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: linear-gradient(to bottom, #0078D4, #005A9E);
    color: white;
}

.header-top {
    padding: 20px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    font-size: 24px;
    font-weight: 300;
    margin: 0;
}

.logo img {
    height: 40px;
}

/* Navigation */
.navigation {
    background: rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-size: 14px;
    padding: 5px 10px;
    border-radius: 3px;
    transition: background-color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
}

/* Search Section */
.search-section {
    background: rgba(0, 0, 0, 0.05);
    padding: 15px 0;
}

.search-container {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
}

.search-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 3px 0 0 3px;
    font-size: 14px;
}

.search-button {
    background: #0078D4;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 0 3px 3px 0;
    cursor: pointer;
    font-size: 14px;
}

.search-button:hover {
    background: #005A9E;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 30px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.main-feature {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 30px;
}

.feature-content {
    flex: 1;
}

.feature-title {
    color: #0078D4;
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 10px;
}

.feature-subtitle {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 15px;
    color: #333;
}

.feature-description {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 20px;
    color: #666;
}

.cta-button {
    background: #0078D4;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background: #005A9E;
}

.feature-images {
    display: flex;
    gap: 15px;
}

.feature-images img {
    width: 150px;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Side Features */
.side-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-feature {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.side-feature h3 {
    color: #0078D4;
    font-size: 18px;
    margin-bottom: 5px;
}

.side-feature h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.side-feature p {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
    line-height: 1.4;
}

.side-feature.good-news {
    background: linear-gradient(135deg, #E8F5E8, #F0F8F0);
    border: 1px solid #4CAF50;
}

.learn-more {
    color: #0078D4;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.learn-more:hover {
    text-decoration: underline;
}

/* Product Sections */
.product-sections {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.product-section {
    background: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.product-section h3 {
    color: #0078D4;
    font-size: 20px;
    margin-bottom: 10px;
}

.product-section p {
    color: #666;
    line-height: 1.5;
    margin-bottom: 15px;
}

/* Highlights Section */
.highlights-section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.highlight-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.highlight-item h3 {
    color: #0078D4;
    font-size: 18px;
    margin-bottom: 10px;
}

.highlight-item p {
    color: #666;
    line-height: 1.4;
    margin-bottom: 10px;
}

/* Additional Features */
.additional-features {
    margin-bottom: 40px;
}

.feature-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.feature-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.feature-item h3 {
    color: #0078D4;
    font-size: 18px;
    margin-bottom: 10px;
}

.feature-item p {
    color: #666;
    line-height: 1.4;
    margin-bottom: 10px;
}

/* Internet Explorer Versions Section */
.ie-versions-section {
    margin-bottom: 40px;
}

.ie-versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.ie-version-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.ie-version-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.ie-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0078D4, #005A9E);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    margin: 0 auto 15px;
}

.ie-version-item h3 {
    color: #0078D4;
    font-size: 16px;
    margin-bottom: 8px;
}

.ie-version-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 10px;
}

.ie-year {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #f0f0f0;
    color: #666;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* Taskbar */
.taskbar {
    background: linear-gradient(to bottom, #E0E0E0, #C0C0C0);
    border-top: 1px solid #999;
    padding: 8px 0;
    margin-top: auto;
}

.taskbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.taskbar-left,
.taskbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.taskbar-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.taskbar-icon:hover {
    background: rgba(255, 255, 255, 1);
}

.clock,
.date {
    font-size: 12px;
    color: #333;
    font-weight: 500;
}

.system-icons {
    display: flex;
    gap: 8px;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .main-feature {
        flex-direction: column;
    }
    
    .feature-images {
        justify-content: center;
    }
    
    .product-sections {
        grid-template-columns: 1fr;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-row {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .taskbar-content {
        flex-direction: column;
        gap: 10px;
    }
}