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

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f4b 100%);
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #f7931a 0%, #ff6b35 100%);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(247, 147, 26, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid #f7931a;
    color: #f7931a;
}

.btn-secondary:hover {
    background: #f7931a;
    color: #fff;
}

header {
    background: rgba(10, 14, 39, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(247, 147, 26, 0.2);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #f7931a;
}

.logo span {
    color: #fff;
}

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

nav ul li a {
    color: #fff;
    font-size: 16px;
    transition: color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    color: #f7931a;
}

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

.header-btns .btn {
    padding: 8px 20px;
    font-size: 14px;
}

.mobile-menu {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

.breadcrumb {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px 0;
    margin-top: 70px;
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #aaa;
}

.breadcrumb-content a {
    color: #f7931a;
}

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

.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: url('../images/hero-bg.jpg') center/cover;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 39, 0.85);
}

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

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #f7931a 0%, #ff6b35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    color: #ccc;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: #f7931a;
}

.section-title p {
    color: #aaa;
    font-size: 16px;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(247, 147, 26, 0.2);
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #f7931a;
    box-shadow: 0 10px 30px rgba(247, 147, 26, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #f7931a 0%, #ff6b35 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
}

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

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

.crypto-prices {
    background: rgba(0, 0, 0, 0.2);
    padding: 40px 0;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.price-table th,
.price-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid rgba(247, 147, 26, 0.1);
}

.price-table th {
    background: rgba(247, 147, 26, 0.1);
    color: #f7931a;
    font-weight: bold;
}

.price-table tr:hover {
    background: rgba(247, 147, 26, 0.05);
}

.price-up {
    color: #00c853;
}

.price-down {
    color: #ff1744;
}

.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: 1px solid rgba(247, 147, 26, 0.2);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: #f7931a;
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #1a1f4b 0%, #2d3561 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: #f7931a;
    font-size: 14px;
    margin-bottom: 10px;
}

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

.news-card p {
    color: #aaa;
    line-height: 1.8;
    margin-bottom: 20px;
}

.read-more {
    color: #f7931a;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

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

.about-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #f7931a;
}

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

.about-image {
    background: linear-gradient(135deg, #1a1f4b 0%, #2d3561 100%);
    border-radius: 10px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 100px;
    border: 1px solid rgba(247, 147, 26, 0.2);
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(247, 147, 26, 0.2);
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #f7931a;
    margin-bottom: 10px;
}

.stat-label {
    color: #aaa;
}

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

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(247, 147, 26, 0.2);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: #f7931a;
    box-shadow: 0 10px 30px rgba(247, 147, 26, 0.2);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f7931a 0%, #ff6b35 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
}

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

.product-card p {
    color: #aaa;
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #f7931a;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(247, 147, 26, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #f7931a;
    flex-shrink: 0;
}

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

.contact-item p {
    color: #aaa;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(247, 147, 26, 0.2);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(247, 147, 26, 0.2);
    border-radius: 5px;
    color: #fff;
    font-size: 16px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #f7931a;
}

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

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

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

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

.news-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: #aaa;
    font-size: 14px;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.news-detail-body {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(247, 147, 26, 0.2);
}

.news-detail-body p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 16px;
}

.news-detail-body h2 {
    color: #f7931a;
    margin: 30px 0 20px;
    font-size: 24px;
}

.news-detail-body h3 {
    color: #fff;
    margin: 25px 0 15px;
    font-size: 20px;
}

.news-detail-body ul {
    list-style: disc;
    padding-left: 30px;
    margin-bottom: 20px;
}

.news-detail-body li {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 10px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination a {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(247, 147, 26, 0.2);
    border-radius: 5px;
    color: #fff;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination a.active {
    background: #f7931a;
    border-color: #f7931a;
}

footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(247, 147, 26, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 24px;
    font-weight: bold;
    color: #f7931a;
    margin-bottom: 20px;
}

.footer-logo span {
    color: #fff;
}

.footer-about p {
    color: #aaa;
    line-height: 1.8;
}

.footer-links h4 {
    color: #f7931a;
    margin-bottom: 20px;
    font-size: 18px;
}

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

.footer-links ul li a {
    color: #aaa;
    transition: color 0.3s;
}

.footer-links ul li a:hover {
    color: #f7931a;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(247, 147, 26, 0.1);
    color: #666;
}

.mobile-btns {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.98);
    padding: 15px;
    gap: 15px;
    z-index: 999;
    border-top: 1px solid rgba(247, 147, 26, 0.3);
}

.mobile-btns .btn {
    flex: 1;
    padding: 15px;
    font-size: 16px;
}

@media (max-width: 768px) {
    .header-btns {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 14, 39, 0.98);
        transition: left 0.3s;
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
        padding: 40px;
        gap: 20px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .mobile-btns {
        display: flex;
    }
    
    body {
        padding-bottom: 80px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .price-table {
        font-size: 14px;
    }
    
    .price-table th,
    .price-table td {
        padding: 15px 10px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-btns .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .features,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
}