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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

header {
    background: #ffffff;
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

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

.logo {
    font-size: 18px;
    font-weight: bold;
    color: #0066ff;
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 25px;
}

.nav a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.nav a:hover {
    color: #0066ff;
}

.hero {
    background: linear-gradient(135deg, #0066ff 0%, #0088ff 100%);
    padding: 60px 0;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.hero-text {
    flex: 1;
    color: white;
}

.hero-text h1 {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 10px;
}

.hero-text h1 span {
    color: #ffcc00;
}

.hero-text .tagline {
    font-size: 24px;
    color: #ffcc00;
    margin-bottom: 15px;
}

.hero-text p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: bold;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-white {
    background: white;
    color: #0066ff;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,255,255,0.3);
}

.btn-yellow {
    background: #ffcc00;
    color: #333;
}

.btn-yellow:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,204,0,0.4);
}

.hero-image {
    flex: 1;
    text-align: right;
}

.hero-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.stats {
    background: #f8f9fa;
    padding: 50px 0;
}

.stats-header {
    text-align: center;
    margin-bottom: 40px;
}

.stats-header h2 {
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
}

.stats-header p {
    font-size: 14px;
    color: #999;
}

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

.stat-card {
    background: white;
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #0066ff;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 13px;
    color: #999;
}

.features {
    background: #f8f9fa;
    padding: 60px 0;
}

.features-header {
    text-align: center;
    margin-bottom: 40px;
}

.features-header h2 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.features-header p {
    font-size: 14px;
    color: #999;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.feature-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: #e6f0ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

.faq {
    background: #ffffff;
    padding: 60px 0;
}

.faq-header {
    text-align: center;
    margin-bottom: 40px;
}

.faq-header h2 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.faq-content {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #eee;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    cursor: pointer;
    font-size: 15px;
    color: #333;
    transition: color 0.3s;
}

.faq-question:hover {
    color: #0066ff;
}

.faq-question::after {
    content: '▼';
    font-size: 12px;
    color: #999;
    transition: transform 0.3s;
}

.faq-question.active::after {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 0 20px;
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    display: none;
}

.faq-answer.active {
    display: block;
}

.recommendations {
    background: #ffffff;
    padding: 60px 0;
}

.recommendations-header {
    text-align: center;
    margin-bottom: 40px;
}

.recommendations-header h2 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.recommendation-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.recommendation-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.recommendation-card .domain {
    font-size: 11px;
    color: #999;
    margin-bottom: 8px;
    display: block;
}

.recommendation-card a {
    font-size: 14px;
    color: #0066ff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.recommendation-card a:hover {
    color: #0052cc;
    text-decoration: underline;
}

footer {
    background: #333;
    color: #999;
    padding: 30px 0;
    text-align: center;
}

.footer-content {
    font-size: 12px;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 32px;
    }

    .hero-text .tagline {
        font-size: 18px;
    }

    .hero-image {
        text-align: center;
        margin-top: 30px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .recommendations-grid {
        grid-template-columns: 1fr;
    }
}