* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #121212;
    color: #e0e0e0;
    line-height: 1.6;
}

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

header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    padding: 20px 0;
    text-align: center;
    border-bottom: 3px solid #ff5722;
}

header h1 {
    color: #fff;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    color: #b3e5fc;
    font-size: 1.2rem;
}

.hero {
    background: url('https://via.placeholder.com/1200x400') no-repeat center center;
    background-size: cover;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 20px 0;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 20px;
}

.hero h2 {
    color: #fff;
    font-size: 2.8rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background: #ff5722;
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #e64a19;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 40px 0;
}

.feature {
    flex: 0 0 calc(33.333% - 20px);
    background: #1e1e1e;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    border-left: 4px solid #ff5722;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-10px);
}

.feature h3 {
    color: #ff5722;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.pricing {
    background: #1e1e1e;
    padding: 40px;
    border-radius: 8px;
    margin: 40px 0;
    text-align: center;
}

.pricing h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #ff5722;
}

.plans {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.plan {
    background: #252525;
    padding: 30px;
    border-radius: 8px;
    width: 30%;
    margin: 10px;
    transition: all 0.3s ease;
}

.plan:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.plan h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #4caf50;
}

.price {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 20px;
}

.price span {
    font-size: 1rem;
    color: #bdbdbd;
}

.plan ul {
    list-style: none;
    margin-bottom: 30px;
}

.plan ul li {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #333;
}

.download {
    text-align: center;
    margin: 50px 0;
}

.download h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #ff5722;
}

.download-options {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.download-option {
    margin: 0 15px;
    text-align: center;
}

.download-option img {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
}

footer {
    background: #0d0d0d;
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
}

footer p {
    color: #757575;
    margin-bottom: 10px;
}

.disclaimer {
    background: #f44336;
    color: white;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    font-size: 0.9rem;
}

.breadcrumb {
    padding: 10px 0;
    color: #bdbdbd;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #b3e5fc;
    text-decoration: none;
}

@media (max-width: 768px) {

    .feature,
    .plan {
        flex: 0 0 100%;
    }

    .hero h2 {
        font-size: 2rem;
    }
}