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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0d1421 100%);
    color: #ffffff;
    line-height: 1.8;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: #00d4ff;
    transition: color 0.3s ease;
}

a:hover {
    color: #00ff88;
}

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

header {
    background: rgba(10, 14, 39, 0.95);
    border-bottom: 2px solid #00d4ff;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav ul li a {
    color: #ffffff;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    color: #0a0e27;
}

.banner {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 255, 136, 0.1) 100%);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="%2300d4ff" opacity="0.3"/></svg>');
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50px); }
}

.banner h1 {
    font-size: 48px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.banner p {
    font-size: 20px;
    color: #b0c4de;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    color: #0a0e27;
    font-size: 18px;
    font-weight: bold;
    border-radius: 30px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
    color: #0a0e27;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features {
    background: rgba(26, 31, 58, 0.5);
}

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

.feature-card {
    background: rgba(10, 14, 39, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.feature-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

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

.feature-card p {
    color: #b0c4de;
    line-height: 1.8;
}

.products {
    background: linear-gradient(180deg, rgba(10, 14, 39, 0.9) 0%, rgba(26, 31, 58, 0.9) 100%);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-card {
    background: rgba(10, 14, 39, 0.9);
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.product-card:hover {
    border-color: #00ff88;
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.3);
}

.product-card h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #00ff88;
}

.product-card .price {
    font-size: 32px;
    color: #00d4ff;
    margin-bottom: 20px;
    font-weight: bold;
}

.product-card ul {
    list-style: none;
    margin-bottom: 25px;
}

.product-card ul li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #b0c4de;
}

.news {
    background: rgba(10, 14, 39, 0.95);
}

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

.news-card {
    background: rgba(26, 31, 58, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: #00d4ff;
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #1a1f3a 0%, #0d1421 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: #00d4ff;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #ffffff;
}

.news-card p {
    color: #b0c4de;
    line-height: 1.8;
}

.about {
    background: linear-gradient(180deg, rgba(26, 31, 58, 0.8) 0%, rgba(10, 14, 39, 0.95) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #00d4ff;
}

.about-text p {
    color: #b0c4de;
    margin-bottom: 20px;
    line-height: 2;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(10, 14, 39, 0.8);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.stat-number {
    font-size: 42px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: #b0c4de;
    margin-top: 10px;
}

.contact {
    background: rgba(10, 14, 39, 0.95);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-form {
    background: rgba(26, 31, 58, 0.8);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: #00d4ff;
    font-size: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(10, 14, 39, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    color: #ffffff;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00ff88;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.contact-info {
    padding: 40px;
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #00d4ff;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(26, 31, 58, 0.6);
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.contact-item-icon {
    font-size: 40px;
    margin-right: 20px;
}

.contact-item-text h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: #00ff88;
}

.contact-item-text p {
    color: #b0c4de;
}

footer {
    background: rgba(5, 8, 20, 0.95);
    border-top: 2px solid rgba(0, 212, 255, 0.3);
    padding: 50px 0 30px;
}

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

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #00d4ff;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #b0c4de;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #00ff88;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b0c4de;
}

.highlight {
    color: #00d4ff;
    font-weight: bold;
}

.keyword {
    color: #00ff88;
    font-weight: bold;
}

.glow-text {
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.emoji-large {
    font-size: 60px;
}

.emoji-medium {
    font-size: 40px;
}

.emoji-small {
    font-size: 24px;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .banner h1 {
        font-size: 32px;
    }

    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }
}

.download-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 255, 136, 0.1) 100%);
    padding: 60px 0;
    text-align: center;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 20px 40px;
    background: rgba(10, 14, 39, 0.9);
    border: 2px solid #00d4ff;
    border-radius: 15px;
    color: #ffffff;
    font-size: 18px;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: #00d4ff;
    color: #0a0e27;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.download-btn .icon {
    font-size: 30px;
}

.advantages {
    background: rgba(26, 31, 58, 0.5);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: rgba(10, 14, 39, 0.8);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.advantage-icon {
    font-size: 40px;
    flex-shrink: 0;
}

.advantage-content h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #00d4ff;
}

.advantage-content p {
    color: #b0c4de;
    line-height: 1.6;
}

.data-display {
    background: linear-gradient(180deg, rgba(10, 14, 39, 0.95) 0%, rgba(26, 31, 58, 0.95) 100%);
    padding: 60px 0;
}

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

.data-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(10, 14, 39, 0.8);
    border-radius: 20px;
    border: 2px solid rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

.data-item:hover {
    border-color: #00ff88;
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.data-value {
    font-size: 48px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.data-label {
    color: #b0c4de;
    font-size: 16px;
}

.breadcrumb {
    padding: 20px 0;
    background: rgba(10, 14, 39, 0.5);
}

.breadcrumb ul {
    display: flex;
    list-style: none;
    gap: 10px;
}

.breadcrumb li::after {
    content: '>';
    margin-left: 10px;
    color: #b0c4de;
}

.breadcrumb li:last-child::after {
    content: '';
}

.breadcrumb a {
    color: #00d4ff;
}

.breadcrumb li:last-child a {
    color: #b0c4de;
}

.page-header {
    padding: 100px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 255, 136, 0.1) 100%);
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: #b0c4de;
    font-size: 18px;
}