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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 50%, #0a0a1a 100%);
    color: #fff;
    line-height: 1.8;
}

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

.header {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(100, 200, 255, 0.2);
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    position: relative;
    transition: color 0.3s;
}

.nav a:hover {
    color: #00d4ff;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    transition: width 0.3s;
}

.nav a:hover::after {
    width: 100%;
}

.section {
    padding: 100px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.section-home {
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%2300d4ff" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    text-align: center;
}

.section-home h1 {
    font-size: 56px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d4ff, #7c3aed, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-home p {
    font-size: 20px;
    color: #aaa;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #00d4ff;
    border: 2px solid #00d4ff;
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 80px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(100, 200, 255, 0.1);
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.feature-card p {
    color: #aaa;
    font-size: 14px;
}

.section-title {
    font-size: 42px;
    text-align: center;
    margin-bottom: 60px;
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(100, 200, 255, 0.1);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.3);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.product-info p {
    color: #aaa;
    margin-bottom: 20px;
}

.product-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.product-tag {
    padding: 5px 15px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 20px;
    font-size: 12px;
    color: #00d4ff;
}

.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 25px;
    border: 1px solid rgba(100, 200, 255, 0.1);
    transition: all 0.3s;
}

.news-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateX(5px);
}

.news-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #00d4ff;
}

.news-item p {
    color: #aaa;
    margin-bottom: 15px;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #666;
    font-size: 14px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 50px;
    border: 1px solid rgba(100, 200, 255, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(100, 200, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
    text-align: center;
}

.contact-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(100, 200, 255, 0.1);
}

.contact-item i {
    font-size: 36px;
    margin-bottom: 15px;
    color: #00d4ff;
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-content p {
    font-size: 18px;
    color: #ccc;
    margin-bottom: 30px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(100, 200, 255, 0.1);
}

.stat-item .number {
    font-size: 48px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item .label {
    font-size: 16px;
    color: #aaa;
    margin-top: 10px;
}

.footer {
    background: rgba(0, 0, 0, 0.8);
    padding: 60px 0;
    border-top: 1px solid rgba(100, 200, 255, 0.2);
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #00d4ff;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #00d4ff;
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(100, 200, 255, 0.1);
    color: #666;
    font-size: 14px;
}

.download-banner {
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    margin: 50px 0;
}

.download-banner h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.download-banner p {
    font-size: 16px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav {
        gap: 15px;
    }

    .section-home h1 {
        font-size: 36px;
    }

    .section-title {
        font-size: 30px;
    }

    .contact-form {
        padding: 30px;
    }
}