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

:root {
    --primary-color: #FF2691;
    --primary-dark: #E01F7D;
    --primary-light: #FF5FB3;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #FAFAFA;
    --white: #FFFFFF;
    --shadow: 0 4px 12px rgba(255, 38, 145, 0.15);
    --shadow-hover: 0 6px 20px rgba(255, 38, 145, 0.25);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

.header {
    background: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--primary-color);
}

.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #FFF0F7 0%, #FFE8F2 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-features {
    margin-bottom: 30px;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 16px;
    color: var(--text-dark);
}

.feature-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
    flex-shrink: 0;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 38, 145, 0.2);
    border-bottom: 1px solid rgba(255, 38, 145, 0.2);
}

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

.stat-number {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 280px;
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(255, 38, 145, 0.2);
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-large {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 30px;
    background: var(--text-dark);
    color: var(--white);
    min-width: 200px;
}

.btn-large:hover {
    background: #222;
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 32px;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-small {
    font-size: 11px;
    text-transform: uppercase;
}

.btn-large-text {
    font-size: 18px;
    font-weight: bold;
}

.features {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 14px;
}

.screenshots {
    padding: 80px 0;
    background: var(--white);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    justify-content: center;
}

.screenshot-card {
    text-align: center;
}

.screenshot-card img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    max-height: 500px;
    object-fit: contain;
}

.screenshot-card:hover img {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.screenshot-card p {
    margin-top: 15px;
    color: var(--text-light);
    font-size: 16px;
}

.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFE8F2 0%, #FFF0F7 100%);
    text-align: center;
}

.download-text {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

.footer p {
    color: #999;
}

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

    .hero-title {
        font-size: 36px;
    }

    .hero-features {
        text-align: left;
    }

    .hero-stats {
        gap: 20px;
        padding: 15px 0;
    }

    .stat-number {
        font-size: 22px;
    }

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

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

    .hero-image img {
        max-width: 220px;
    }

    .nav {
        display: none;
    }

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

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        max-width: 280px;
    }
}