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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf9 100%);
    color: #333;
    line-height: 1.6;
}

header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo h2 {
    font-size: 1.4rem;
}

nav ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    color: #4a6cf7;
}

.hero {
    padding: 120px 5% 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #4a6cf7, #6a11cb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    max-width: 600px;
}

.btn,
.download-btn {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(45deg, #4a6cf7, #6a11cb);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover,
.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(74, 108, 247, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid #4a6cf7;
    color: #4a6cf7;
    margin-left: 0.75rem;
}

.btn-outline:hover {
    background: #4a6cf7;
    color: #fff;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0); }
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

section {
    padding: 80px 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.features {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(74, 108, 247, 0.15);
}

.feature-card i {
    font-size: 3rem;
    color: #4a6cf7;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.platforms {
    background: linear-gradient(135deg, #e4edf9 0%, #f5f7fa 100%);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.platform-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.platform-item:hover {
    transform: scale(1.05);
}

.platform-item i {
    font-size: 3rem;
    color: #4a6cf7;
    margin-bottom: 1rem;
    display: block;
}

.testimonials {
    background: white;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: #f8fafd;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1rem;
    color: #555;
}

.stats {
    background: linear-gradient(135deg, #4a6cf7 0%, #6a11cb 100%);
    color: white;
}

.stats .section-title h2,
.stats .section-title p {
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.faq {
    background: white;
}

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

.faq-item {
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

.faq-question {
    background: #f8fafd;
    padding: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: white;
}

.faq-answer.open {
    padding: 1.5rem;
    max-height: 600px;
}

.daily-box {
    max-width: 800px;
    margin: 0 auto 2rem;
    background: #f8fafd;
    border-left: 4px solid #4a6cf7;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.daily-label {
    font-size: 0.9rem;
    color: #4a6cf7;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.daily-box p {
    color: #555;
}

.page-hero {
    padding: 120px 5% 80px;
    text-align: center;
    background: linear-gradient(135deg, #4a6cf7 0%, #6a11cb 100%);
    color: white;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: none;
    -webkit-text-fill-color: white;
    color: white;
}

.page-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
    color: white;
}

.download-options {
    padding: 80px 5%;
    background: white;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.platform-card {
    background: #f8fafd;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(74, 108, 247, 0.15);
}

.platform-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #4a6cf7;
}

.platform-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.platform-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.download-btn {
    display: block;
    width: 100%;
    padding: 15px;
    margin-bottom: 1rem;
}

.version-info {
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.features-alt {
    padding: 80px 5%;
    background: linear-gradient(135deg, #e4edf9 0%, #f5f7fa 100%);
}

.installation {
    padding: 80px 5%;
    background: white;
}

.installation-steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8fafd;
    border-radius: 15px;
}

.step-number {
    background: #4a6cf7;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 1rem;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
    color: #333;
}

.article-list {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.article-card {
    background: white;
    border-radius: 15px;
    padding: 1.75rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.article-card:hover {
    transform: translateY(-5px);
}

.article-card h3 {
    margin-bottom: 0.75rem;
}

.article-card h3 a {
    color: #333;
    text-decoration: none;
}

.article-card h3 a:hover {
    color: #4a6cf7;
}

.article-card p {
    color: #666;
    margin-bottom: 1rem;
}

.article-card .meta {
    font-size: 0.9rem;
    color: #999;
}

.article-wrap {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.article-wrap h1 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: #333;
}

.article-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    color: #888;
    font-size: 0.95rem;
}

.badge-updated {
    background: #eef2ff;
    color: #4a6cf7;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.85rem;
}

.article-wrap h2 {
    font-size: 1.35rem;
    margin: 1.75rem 0 0.75rem;
    color: #333;
}

.article-wrap p {
    margin-bottom: 1rem;
    color: #555;
}

.breadcrumb {
    padding: 100px 5% 0;
    color: #888;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: #4a6cf7;
    text-decoration: none;
}

.sitemap-list {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.sitemap-list h3 {
    margin: 1.5rem 0 0.75rem;
    color: #4a6cf7;
}

.sitemap-list ul {
    list-style: none;
    padding-left: 0;
}

.sitemap-list li {
    margin-bottom: 0.6rem;
}

.sitemap-list a {
    color: #333;
    text-decoration: none;
}

.sitemap-list a:hover {
    color: #4a6cf7;
}

footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 5%;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
    text-align: left;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #4a6cf7;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: white;
}

.copyright {
    border-top: 1px solid #444;
    padding-top: 1.5rem;
    color: #aaa;
}

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

    .hero-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }

    .hero h1,
    .page-hero h1 {
        font-size: 2.2rem;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .btn-outline {
        margin-left: 0;
    }

    nav ul {
        display: none;
    }

    .step {
        flex-direction: column;
        gap: 0.75rem;
    }
}