* {
    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: #2c3e50;
    background-color: #ffffff;
}

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

.header {
    padding: 40px 0;
    text-align: center;
}

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

.logo-image {
    width: 80px;
    height: 80px;
    object-fit: contain;
    display: block;
}

.logo {
    font-size: 3rem;
    font-weight: 700;
    color: #2c3e50;
    letter-spacing: 2px;
}

.main {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}

.hero {
    text-align: center;
    max-width: 800px;
}

.slogan {
    font-size: 2.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 30px;
    line-height: 1.3;
}

.description {
    margin-bottom: 40px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.description p {
    margin-bottom: 15px;
    text-align: center;
}

.description p:last-child {
    margin-bottom: 0;
}

.download-btn {
    display: inline-block;
    padding: 16px 48px;
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #ff7730 0%, #ff3d5a 100%);
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 61, 90, 0.3);
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    background: linear-gradient(135deg, #ff5a1f 0%, #ff2a4a 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 61, 90, 0.4);
}

.download-btn:active {
    transform: translateY(0);
}

.footer {
    padding: 40px 0;
    text-align: center;
    color: #7f8c8d;
}

@media (max-width: 768px) {
    .logo {
        font-size: 2.2rem;
    }
    
    .slogan {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }
    
    .description {
        font-size: 1rem;
        margin-bottom: 35px;
    }
    
    .description p {
        margin-bottom: 12px;
    }
    
    .download-btn {
        padding: 14px 36px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.8rem;
    }
    
    .slogan {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }
    
    .description p {
        margin-bottom: 10px;
    }
    
    .download-btn {
        padding: 12px 32px;
        font-size: 1rem;
    }
}