body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f8f9fa;
    color: #222;
}
header {
    background: #fff;
    border-bottom: 1px solid #eee;
    padding: 16px 0;
}
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    height: 48px;
    vertical-align: middle;
}
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 24px;
}
nav ul li a {
    text-decoration: none;
    color: #222;
    font-weight: 500;
    transition: color 0.2s;
}
nav ul li a:hover {
    color: #007bff;
}
.hero {
    background: linear-gradient(90deg, #007bff 0%, #00c6ff 100%);
    color: #fff;
    padding: 64px 0 48px 0;
    text-align: center;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}
.hero p {
    font-size: 1.2rem;
    margin-bottom: 32px;
}
.btn {
    display: inline-block;
    background: #fff;
    color: #007bff;
    padding: 12px 32px;
    border-radius: 24px;
    font-weight: bold;
    text-decoration: none;
    margin: 0 8px;
    transition: background 0.2s, color 0.2s;
}
.btn:hover {
    background: #007bff;
    color: #fff;
}
.btn-secondary {
    background: #222;
    color: #fff;
}
.features {
    background: #fff;
    padding: 48px 0;
    text-align: center;
}
.features ul {
    list-style: none;
    padding: 0;
    margin: 24px 0 0 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}
.features ul li {
    background: #f1f3f6;
    padding: 16px 32px;
    border-radius: 16px;
    font-size: 1.1rem;
}
.plans {
    background: #f8f9fa;
    padding: 48px 0;
    text-align: center;
}
.plan-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    margin-top: 32px;
}
.plan-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 32px 24px;
    width: 300px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.plan-card h3 {
    margin-top: 0;
    color: #007bff;
}
.plan-card .price {
    font-size: 2rem;
    margin: 16px 0;
}
.plan-card ul {
    list-style: none;
    padding: 0;
    margin: 16px 0 24px 0;
    text-align: left;
}
.plan-card ul li {
    margin-bottom: 8px;
}
.testimonials {
    background: #fff;
    padding: 48px 0;
    text-align: center;
}
.testimonial-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    margin-top: 32px;
}
blockquote {
    background: #f1f3f6;
    border-left: 4px solid #007bff;
    padding: 24px;
    border-radius: 12px;
    max-width: 350px;
    margin: 0;
    font-style: italic;
}
blockquote cite {
    display: block;
    margin-top: 12px;
    font-weight: bold;
    color: #007bff;
}
.faq {
    background: #f8f9fa;
    padding: 48px 0;
    text-align: center;
}
.faq dl {
    max-width: 700px;
    margin: 32px auto 0 auto;
    text-align: left;
}
.faq dt {
    font-weight: bold;
    margin-top: 24px;
    color: #007bff;
}
.faq dd {
    margin-left: 0;
    margin-bottom: 16px;
}
footer {
    background: #222;
    color: #fff;
    padding: 24px 0;
    text-align: center;
}
footer .social-links {
    margin-top: 16px;
}
footer .social-links a {
    display: inline-block;
    margin: 0 8px;
}
footer .social-links img {
    width: 32px;
    height: 32px;
}
@media (max-width: 800px) {
    .plan-cards, .testimonial-list, .features ul {
        flex-direction: column;
        align-items: center;
    }
    .plan-card, blockquote, .features ul li {
        width: 90%;
        max-width: 350px;
    }
}