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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1a0a1e 0%, #4c2d54 50%, #2d1f47 100%);
    min-height: 100vh;
    color: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 10, 30, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(236, 72, 153, 0.2);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    object-fit: cover;
}

.logo-text h1 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 10px;
    color: #a78bfa;
}

.header-btn {
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.header-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
}

.hero {
    padding: 100px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.hero-text {
    text-align: center;
}

.hero-text h2 {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #ec4899, #f59e0b, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.hero-text p:first-of-type {
    font-size: 24px;
    color: #fff;
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 16px;
    color: #d1d5db;
    line-height: 1.6;
    max-width: 450px;
    margin: 0 auto 20px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 25px;
}

.tag {
    background: rgba(236, 72, 153, 0.15);
    border: 1px solid rgba(236, 72, 153, 0.3);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 12px;
    color: #fbbf24;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #ec4899;
}

.stat-label {
    font-size: 12px;
    color: #a78bfa;
}

.download-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    color: #fff;
    padding: 16px 40px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.4);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(236, 72, 153, 0.6);
}

.btn-icon {
    font-size: 24px;
}

.download-tips {
    font-size: 14px;
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.1);
    padding: 6px 16px;
    border-radius: 15px;
}

.hero-image {
    width: 100%;
    max-width: 320px;
}

.hero-screenshot {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.floating-animation {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%231e1b4b' fill-opacity='1' d='M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: cover;
    background-repeat: no-repeat;
}

.introduction {
    padding: 60px 20px;
    background: #1e1b4b;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.intro-content p {
    font-size: 15px;
    color: #d1d5db;
    line-height: 1.8;
    margin-bottom: 16px;
}

.intro-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 16px;
    color: #ec4899;
}

.intro-content ul {
    list-style: none;
    padding: 0;
}

.intro-content li {
    font-size: 14px;
    color: #d1d5db;
    line-height: 2;
    padding-left: 24px;
    position: relative;
}

.intro-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #ec4899;
}

.features {
    padding: 60px 20px;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    font-size: 14px;
    color: #a78bfa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.feature-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(236, 72, 153, 0.5);
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.2);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.feature-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}

.feature-card p {
    font-size: 13px;
    color: #d1d5db;
    line-height: 1.5;
}

.feature-details {
    padding: 60px 20px;
    background: #1e1b4b;
}

.detail-cards {
    max-width: 900px;
    margin: 0 auto;
}

.detail-card {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
    border-radius: 16px;
    overflow: hidden;
}

.detail-card img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
}

.detail-content {
    padding: 20px;
}

.detail-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #ec4899;
}

.detail-content p {
    font-size: 14px;
    color: #d1d5db;
    line-height: 1.7;
    margin-bottom: 10px;
}

.screenshots {
    padding: 60px 20px;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
}

.screenshots-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 400px;
    margin: 0 auto;
}

.screenshot-item {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.screenshot-item img {
    width: 100%;
    display: block;
}

.reviews {
    padding: 60px 20px;
    background: #1e1b4b;
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.review-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(236, 72, 153, 0.08));
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.review-card:hover {
    border-color: rgba(236, 72, 153, 0.4);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.review-info {
    display: flex;
    flex-direction: column;
}

.review-name {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}

.review-date {
    font-size: 12px;
    color: #a78bfa;
}

.review-rating {
    font-size: 16px;
    margin-bottom: 12px;
}

.review-content {
    font-size: 14px;
    color: #d1d5db;
    line-height: 1.7;
}

.tutorial {
    padding: 60px 20px;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
}

.tutorial-steps {
    max-width: 700px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    position: relative;
}

.step-item::before {
    content: '';
    position: absolute;
    left: 19px;
    top: 50px;
    bottom: -32px;
    width: 2px;
    background: linear-gradient(180deg, #ec4899, #a78bfa);
}

.step-item:last-child::before {
    display: none;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}

.step-content p {
    font-size: 14px;
    color: #d1d5db;
    line-height: 1.6;
}

.faq {
    padding: 60px 20px;
    background: #1e1b4b;
}

.faq-list {
    max-width: 600px;
    margin: 0 auto;
}

.faq-item {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(236, 72, 153, 0.1);
}

.faq-question span:first-child {
    font-size: 15px;
    font-weight: 500;
    color: #fff;
}

.faq-arrow {
    font-size: 12px;
    color: #ec4899;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    padding: 0 20px 20px;
    max-height: 150px;
}

.faq-answer p {
    font-size: 14px;
    color: #d1d5db;
    line-height: 1.6;
}

.changelog {
    padding: 60px 20px;
    background: #1e1b4b;
}

.changelog-list {
    max-width: 700px;
    margin: 0 auto;
}

.changelog-item {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(236, 72, 153, 0.08));
    border: 1px solid rgba(139, 92, 246, 0.15);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
}

.changelog-version {
    font-size: 18px;
    font-weight: 700;
    color: #ec4899;
    margin-bottom: 4px;
}

.changelog-date {
    font-size: 13px;
    color: #a78bfa;
    margin-bottom: 16px;
}

.changelog-content {
    list-style: none;
    padding: 0;
}

.changelog-content li {
    font-size: 14px;
    color: #d1d5db;
    line-height: 1.8;
    padding-left: 24px;
    position: relative;
    margin-bottom: 8px;
}

.changelog-content li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: #f59e0b;
}

.download-section {
    padding: 60px 20px;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    text-align: center;
}

.download-content {
    max-width: 500px;
    margin: 0 auto;
}

.download-logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.download-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.download-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
}

.app-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.app-info span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 12px;
    border-radius: 10px;
}

.download-buttons {
    margin-top: 30px;
}

.main-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    color: #ec4899;
    padding: 18px 50px;
    border-radius: 30px;
    font-size: 20px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.main-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.download-password {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 16px;
}

.download-hint {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

.footer {
    padding: 40px 20px;
    background: #0a0a1a;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-logo span {
    font-size: 16px;
    font-weight: 600;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 20px;
}

.footer-links a {
    font-size: 14px;
    color: #a78bfa;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ec4899;
}

.footer-copyright p {
    font-size: 12px;
    color: #6b7280;
    margin-bottom: 4px;
}

.fixed-download {
    position: fixed;
    bottom: 30px;
    left: 20px;
    right: 20px;
    z-index: 999;
}

.fixed-download a {
    display: block;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    color: #fff;
    text-align: center;
    padding: 16px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.4);
    transition: all 0.3s ease;
}

.fixed-download a:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(236, 72, 153, 0.6);
}

@media (max-width: 480px) {
    .header-content {
        padding: 10px 12px;
    }
    
    .logo-text h1 {
        font-size: 16px;
    }
    
    .logo-text p {
        font-size: 8px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100px;
    }
    
    .header-btn {
        padding: 6px 14px;
        font-size: 12px;
    }
    
    .logo {
        width: 32px;
        height: 32px;
    }
    
    .hero-content {
        padding: 0 12px;
    }
    
    .hero h2 {
        font-size: 26px;
    }
    
    .hero-desc {
        font-size: 14px;
        padding: 0 10px;
    }
    
    .tag {
        font-size: 10px;
        padding: 4px 10px;
    }
    
    .feature-card {
        padding: 16px;
    }
    
    .feature-icon {
        font-size: 28px;
    }
    
    .feature-card h4 {
        font-size: 15px;
    }
    
    .feature-card p {
        font-size: 13px;
    }
    
    .review-card {
        padding: 18px;
    }
    
    .review-content {
        font-size: 13px;
    }
    
    .step-number {
        width: 34px;
        height: 34px;
        font-size: 16px;
    }
    
    .step-content h4 {
        font-size: 15px;
    }
    
    .step-content p {
        font-size: 13px;
    }
    
    .faq-question span:first-child {
        font-size: 14px;
    }
    
    .faq-answer p {
        font-size: 13px;
    }
    
    .changelog-item {
        padding: 18px;
    }
    
    .changelog-content li {
        font-size: 13px;
    }
    
    .main-download-btn {
        padding: 14px 30px;
        font-size: 16px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .footer-links a {
        font-size: 12px;
    }
    
    .footer-copyright p {
        font-size: 12px;
    }
    
    .fixed-download a {
        padding: 14px;
        font-size: 14px;
    }
}

@media (min-width: 768px) {
    .hero-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .hero-text {
        text-align: left;
        flex: 1;
    }
    
    .hero-desc {
        margin: 0 0 20px;
        max-width: 500px;
    }
    
    .hero-tags {
        justify-content: flex-start;
    }
    
    .hero-stats {
        justify-content: flex-start;
    }
    
    .download-area {
        align-items: flex-start;
    }
    
    .hero-image {
        flex: 1;
        max-width: 400px;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 1000px;
    }
    
    .detail-card {
        flex-direction: row;
        align-items: center;
    }
    
    .detail-card.reverse {
        flex-direction: row-reverse;
    }
    
    .detail-card img {
        width: 40%;
        max-height: 250px;
    }
    
    .detail-content {
        padding: 30px;
    }
    
    .screenshots-container {
        flex-direction: row;
        max-width: 1000px;
        justify-content: center;
    }
    
    .screenshot-item {
        width: 300px;
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 1000px;
    }
}

@media (min-width: 1024px) {
    .hero-text h2 {
        font-size: 64px;
    }
    
    .hero-text p:first-of-type {
        font-size: 32px;
    }
    
    .hero-desc {
        font-size: 18px;
        max-width: 500px;
    }
}