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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    color: #fff;
    min-height: 100vh;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 12, 41, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(100, 200, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 22px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-link:hover,
.nav-link.active {
    color: #00d4ff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.download-btn {
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.hero {
    padding: 120px 20px 80px;
    background: linear-gradient(180deg, rgba(15, 12, 41, 0.8) 0%, rgba(48, 43, 99, 0.6) 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.3;
}

.highlight {
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.hero-stats {
    display: flex;
    gap: 50px;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    color: #fff;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    border: 2px solid rgba(0, 212, 255, 0.5);
    color: #00d4ff;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: #00d4ff;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.crypto-icons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.icon-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.icon-item:hover {
    transform: translateY(-5px);
    background: rgba(0, 212, 255, 0.1);
    border-color: #00d4ff;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 15px;
}

.section-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
}

.products {
    padding: 80px 20px;
    background: rgba(15, 12, 41, 0.5);
}

.products-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: #00d4ff;
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
}

.product-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #fff;
}

.product-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-features {
    list-style: none;
}

.product-features li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.features {
    padding: 80px 20px;
    background: linear-gradient(180deg, rgba(15, 12, 41, 0.5) 0%, rgba(48, 43, 99, 0.3) 100%);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #fff;
}

.feature-item p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.news {
    padding: 80px 20px;
    background: rgba(15, 12, 41, 0.5);
}

.news-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(0, 212, 255, 0.15);
    transition: all 0.3s ease;
}

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

.news-date {
    font-size: 12px;
    color: rgba(0, 212, 255, 0.8);
    margin-bottom: 15px;
}

.news-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 12px;
    color: #fff;
    line-height: 1.4;
}

.news-content {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 15px;
    line-height: 1.6;
}

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

.tag {
    background: rgba(0, 212, 255, 0.15);
    color: #00d4ff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.about {
    padding: 80px 20px;
    background: linear-gradient(180deg, rgba(15, 12, 41, 0.5) 0%, rgba(48, 43, 99, 0.3) 100%);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 50px;
    margin-bottom: 50px;
}

.about-text {
    flex: 2;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #fff;
}

.about-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-stats {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-stat {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.about-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.about-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.mission-vision {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.mission-box,
.vision-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    text-align: center;
}

.mission-icon,
.vision-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.mission-box h4,
.vision-box h4 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #fff;
}

.mission-box p,
.vision-box p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.contact {
    padding: 80px 20px;
    background: rgba(15, 12, 41, 0.5);
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 15px;
}

.contact-label {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 5px;
}

.contact-value {
    font-size: 18px;
    color: #fff;
    font-weight: bold;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.contact-form h3 {
    font-size: 22px;
    margin-bottom: 30px;
    color: #fff;
}

.form-input {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

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

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
    min-height: 120px;
    resize: vertical;
    transition: border-color 0.3s ease;
}

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

.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(90deg, #00d4ff, #7b2fff);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.footer {
    background: rgba(15, 12, 41, 0.95);
    padding: 60px 20px 30px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-section p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #fff;
}

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

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

.footer-section ul li a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.qrcode {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin-top: 10px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 10px;
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

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

    .hero-stats {
        justify-content: center;
    }

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

    .about-content {
        flex-direction: column;
    }

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

    .mission-vision {
        grid-template-columns: 1fr;
    }

    .news-container {
        grid-template-columns: 1fr;
    }
}