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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    color: #ffffff;
    line-height: 1.8;
}

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

header {
    background: rgba(15, 12, 41, 0.95);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid #00d4ff;
    box-shadow: 0 2px 20px rgba(0, 212, 255, 0.3);
}

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

.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;
    text-decoration: none;
    font-size: 16px;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

nav ul li a:hover {
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    color: #000;
}

.hero {
    padding: 150px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 255, 136, 0.1) 100%);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 30px;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    color: #b8c5d6;
}

.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    color: #000;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    font-size: 18px;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
}

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(255, 255, 255, 0.05);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.08);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #00d4ff;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

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

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

.feature-card p {
    color: #b8c5d6;
    font-size: 15px;
}

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

.product-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.product-header {
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    padding: 20px;
    text-align: center;
}

.product-header h3 {
    color: #000;
    font-size: 24px;
}

.product-body {
    padding: 30px;
}

.product-body ul {
    list-style: none;
}

.product-body ul li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #b8c5d6;
}

.product-body ul li:last-child {
    border-bottom: none;
}

.news-section {
    background: rgba(255, 255, 255, 0.05);
}

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

.news-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #00d4ff, #00ff88);
    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-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #ffffff;
}

.news-content p {
    color: #b8c5d6;
    font-size: 14px;
    line-height: 1.8;
}

.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: #b8c5d6;
    margin-bottom: 15px;
    font-size: 16px;
}

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

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

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

.stat-label {
    color: #b8c5d6;
    font-size: 16px;
    margin-top: 10px;
}

.contact-section {
    background: rgba(255, 255, 255, 0.05);
}

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

.contact-form {
    background: rgba(255, 255, 255, 0.08);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #00d4ff;
    font-size: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
}

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

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    border: none;
    border-radius: 8px;
    color: #000;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    background: rgba(255, 255, 255, 0.08);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.info-item h3 {
    color: #00d4ff;
    font-size: 20px;
    margin-bottom: 15px;
}

.info-item p {
    color: #b8c5d6;
    font-size: 16px;
}

footer {
    background: rgba(15, 12, 41, 0.95);
    padding: 50px 0 30px;
    border-top: 2px solid #00d4ff;
}

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

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

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

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

.footer-section ul li a {
    color: #b8c5d6;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b8c5d6;
}

.download-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(0, 255, 136, 0.15) 100%);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid #00d4ff;
    border-radius: 15px;
    text-decoration: none;
    color: #ffffff;
    transition: all 0.3s;
}

.download-btn:hover {
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    color: #000;
    transform: translateY(-5px);
}

.download-btn .icon {
    font-size: 40px;
}

.download-btn .text {
    text-align: left;
}

.download-btn .text .small {
    font-size: 12px;
    color: #b8c5d6;
}

.download-btn:hover .text .small {
    color: #000;
}

.download-btn .text .big {
    font-size: 20px;
    font-weight: bold;
}

.advantages {
    background: rgba(255, 255, 255, 0.05);
}

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

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.advantage-item .icon {
    font-size: 60px;
    margin-bottom: 20px;
}

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

.advantage-item p {
    color: #b8c5d6;
    font-size: 15px;
}

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

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

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

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

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

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
}

.page-header {
    padding: 120px 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: 20px;
    background: linear-gradient(90deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 18px;
    color: #b8c5d6;
}

.breadcrumb {
    padding: 15px 0;
    background: rgba(255, 255, 255, 0.05);
}

.breadcrumb a {
    color: #00d4ff;
    text-decoration: none;
}

.breadcrumb span {
    color: #b8c5d6;
    margin: 0 10px;
}

.news-detail {
    background: rgba(255, 255, 255, 0.08);
    padding: 40px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.news-detail h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #00d4ff;
}

.news-detail .meta {
    color: #b8c5d6;
    margin-bottom: 20px;
    font-size: 14px;
}

.news-detail .content {
    color: #ffffff;
    line-height: 2;
}

.news-detail .content p {
    margin-bottom: 15px;
}

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