* {
    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: #333;
    background-color: #fff;
}

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

header {
    height: 60px;
    display: flex;
    align-items: center;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 30px;
}

nav a {
    margin-left: 25px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
}

.hero {
    padding: 80px 0;
    text-align: center;
    background: radial-gradient(circle, #fff 0%, #fdf2f4 100%);
}

.product-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.title-icon {
    height: 40px;
}

.hero h1 {
    font-size: 36px;
    color: #1a1a1a;
}

.hero-btns {
    margin-bottom: 60px;
}

.btn-download-pink {
    background-color: #ff4d6d;
    color: #fff;
    padding: 15px 60px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 20px rgba(255, 77, 109, 0.2);
}

.other-versions {
    margin-top: 15px;
    font-size: 14px;
    color: #999;
}

.hero-image img {
    max-width: 1000px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
}

.batch {
    padding: 80px 0;
    text-align: center;
    background-color: #fff;
}

.batch-icon {
    font-size: 40px;
}

.batch h2 {
    font-size: 32px;
}

.btn-download-blue {
    background-color: #3b82f6;
    color: #fff;
    padding: 15px 60px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

footer {
    padding: 60px 0;
    text-align: center;
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    margin: 0 10px;
    color: #999;
    text-decoration: none;
    font-size: 13px;
}