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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: #e0e0e0;
    line-height: 1.6;
    min-height: 100vh;
}

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

header {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

nav a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    transition: width 0.3s;
}

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

.header-btns {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    color: white;
}

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

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

.btn-secondary:hover {
    background: #00d4ff;
    color: #0a0a0a;
}

.hero {
    padding: 150px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.hero::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="1" fill="rgba(0,212,255,0.3)"/></svg>') repeat;
    background-size: 50px 50px;
    opacity: 0.5;
}

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

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #00d4ff, #7b2cbf, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero p {
    font-size: 20px;
    color: #a0a0a0;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-btns .btn {
    padding: 15px 40px;
    font-size: 18px;
}

.hero-image {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.3);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #fff;
}

.section-title span {
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #fff;
}

.feature-card p {
    color: #a0a0a0;
    line-height: 1.8;
}

.stats {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 44, 191, 0.1));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h4 {
    font-size: 48px;
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-item p {
    color: #a0a0a0;
    font-size: 16px;
}

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

.crypto-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s;
}

.crypto-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: scale(1.02);
}

.crypto-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
}

.btc { background: linear-gradient(135deg, #f7931a, #ffad33); }
.eth { background: linear-gradient(135deg, #627eea, #8ba3f0); }
.usdt { background: linear-gradient(135deg, #26a17b, #4bc99a); }

.crypto-info h4 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 5px;
}

.crypto-info p {
    color: #00d4ff;
    font-size: 18px;
    font-weight: bold;
}

.crypto-change {
    margin-left: auto;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.up {
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
}

.breadcrumb {
    padding: 100px 0 30px;
    background: rgba(0, 0, 0, 0.5);
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #a0a0a0;
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.news-grid {
    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;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 25px;
}

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

.news-card h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-card p {
    color: #a0a0a0;
    line-height: 1.6;
}

.read-more {
    display: inline-block;
    margin-top: 15px;
    color: #00d4ff;
    text-decoration: none;
    font-weight: 500;
}

.read-more:hover {
    text-decoration: underline;
}

.guide-list {
    display: grid;
    gap: 30px;
}

.guide-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 40px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.guide-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    flex-shrink: 0;
}

.guide-content h3 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 15px;
}

.guide-content p {
    color: #a0a0a0;
    line-height: 1.8;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 25px;
    color: #fff;
}

.about-text p {
    color: #a0a0a0;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.contact-item div h4 {
    color: #fff;
    margin-bottom: 5px;
}

.contact-item div p {
    color: #a0a0a0;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

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

.sitemap-section {
    margin-bottom: 50px;
}

.sitemap-section h3 {
    font-size: 24px;
    color: #00d4ff;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.sitemap-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.sitemap-links a {
    color: #a0a0a0;
    text-decoration: none;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: all 0.3s;
    display: block;
}

.sitemap-links a:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    transform: translateX(5px);
}

footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

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

.footer-section h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
}

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

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

.footer-section a {
    color: #a0a0a0;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-section p {
    color: #a0a0a0;
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #666;
}

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

.cta-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(123, 44, 191, 0.2));
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    color: #fff;
    margin-bottom: 20px;
}

.cta-section p {
    color: #a0a0a0;
    font-size: 18px;
    margin-bottom: 40px;
}

.news-detail {
    max-width: 900px;
    margin: 0 auto;
}

.news-detail-header {
    margin-bottom: 40px;
}

.news-detail-header h1 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    gap: 20px;
    color: #a0a0a0;
    font-size: 14px;
}

.news-detail-content {
    color: #e0e0e0;
    line-height: 1.8;
    font-size: 16px;
}

.news-detail-content p {
    margin-bottom: 20px;
}

.news-detail-content h3 {
    color: #00d4ff;
    margin: 30px 0 15px;
    font-size: 24px;
}

.news-detail-content ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

.news-detail-content li {
    margin-bottom: 10px;
}

.highlight-text {
    background: linear-gradient(135deg, #00d4ff, #7b2cbf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-item {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 28px;
    }
}