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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f0f2f5;
    color: #333;
    line-height: 1.6;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #999;
}

.header {
    background: #fff;
    border-bottom: 1px solid #e8e8e8;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-main {
    padding: 12px 0;
}

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

.header-logo {
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: #333;
}

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

.logo-image {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.logo-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.language-dropdown {
    position: relative;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 14px;
    background: #f8f9fa;
    border: 1px solid #e8e8e8;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    color: #333;
    transition: all 0.3s;
}

.language-toggle:hover {
    border-color: #667eea;
    color: #667eea;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.3s;
}

.language-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
    min-width: 130px;
    z-index: 1000;
    display: none;
    overflow: hidden;
}

.language-dropdown.active .language-menu {
    display: block;
}

.lang-option {
    display: block;
    padding: 12px 16px;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s;
}

.lang-option:hover {
    background: #f5f7fa;
    color: #667eea;
}

.lang-option.active {
    color: #667eea;
    font-weight: 600;
    background: #f0f4ff;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    background: #f8f9fa;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.mobile-menu-btn:hover {
    background: #f0f2f5;
}

.hamburger {
    width: 18px;
    height: 2px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s;
    display: block;
}

.hamburger:nth-child(1) {
    margin-bottom: 5px;
}

.hamburger:nth-child(2) {
    margin-bottom: 5px;
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1100;
}

.mobile-nav-overlay.active {
    display: block;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 300px;
    height: 100%;
    background: #fff;
    z-index: 1200;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    flex-direction: column;
}

.mobile-nav.active {
    display: flex;
    flex-direction: column;
    transform: translateX(0);
}

.mobile-nav-header {
    padding: 16px 20px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: flex-end;
}

.mobile-nav-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    color: #666;
    border-radius: 50%;
    transition: all 0.2s;
}

.mobile-nav-close:hover {
    background: #f5f7fa;
    color: #333;
}

.mobile-nav-list {
    padding: 12px 0;
    flex: 1;
    overflow-y: auto;
}

.mobile-nav-footer {
    padding: 20px;
    border-top: 1px solid #f0f0f0;
}

.mobile-lang-title {
    font-size: 13px;
    color: #999;
    margin-bottom: 12px;
}

.mobile-lang-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-lang-option {
    padding: 12px 16px;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: all 0.2s;
    background: #f8f9fa;
}

.mobile-lang-option:hover {
    background: #667eea;
    color: white;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    font-size: 16px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s;
}

.mobile-nav-item:hover {
    background: #f5f7fa;
    color: #667eea;
}

.nav {
    display: flex;
    gap: 5px;
}

.nav-item {
    padding: 10px 20px;
    color: #333;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav-item:hover,
.nav-item.active {
    background: #f0f2f5;
    color: #007bff;
}

.news-tabs-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.news-tabs-scroll::-webkit-scrollbar {
    display: none;
}

.main {
    padding: 20px 0;
    min-height: calc(100vh - 300px);
}

.main-content {
    display: flex;
    gap: 20px;
}

.content-left {
    flex: 1;
}

.content-right {
    width: 320px;
    flex-shrink: 0;
}

.featured-section {
    margin-bottom: 20px;
}

.featured-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 15px;
    align-items: start;
}

.featured-main-wrapper {
    position: relative;
}

.featured-main {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    aspect-ratio: 16/9;
}

.featured-side {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.featured-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    aspect-ratio: 16/9;
}

.featured-main .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.featured-main .slide.active {
    opacity: 1;
}

.featured-main .slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.featured-main .slide:hover img {
    transform: scale(1.05);
}

.featured-main .slide .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 20px 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.featured-main .slide .overlay h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 0;
    margin-right: 20px;
    flex: 1;
}

.featured-main .slide .overlay .meta {
    font-size: 13px;
    opacity: 0.9;
}

.slider-dots {
    position: relative;
    bottom: auto;
    left: auto;
    display: flex;
    gap: 8px;
    z-index: 10;
    flex-shrink: 0;
}

.slider-dot {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.slider-dot.active {
    background: #f7931a;
    transform: scale(1.1);
}

.featured-side {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.featured-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    flex: 1;
    min-height: 140px;
}

.featured-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.featured-item:hover img {
    transform: scale(1.05);
}

.featured-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff;
}

.featured-item .overlay h3 {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
}

.ad-section {
    margin: 5px 0 20px 0;
}

.ad-banner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: #e0e0e0;
    padding: 1px;
    border-radius: 8px;
}

.ad-item {
    overflow: hidden;
    background: #fff;
}

.ad-item img {
    width: 100%;
    height: 70px;
    object-fit: contain;
    background: #f5f5f5;
}

.ad-section-full {
    margin: 5px 0 20px 0;
    padding: 0;
}

.ad-banner-full {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: #e0e0e0;
    padding: 1px;
    border-radius: 8px;
}

.ad-banner-full .ad-item img {
    height: 70px;
    object-fit: contain;
    background: #f5f5f5;
}

.news-tabs-section {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.news-tabs {
    display: flex;
    gap: 5px;
    padding: 15px 15px 0;
    border-bottom: 2px solid #f0f2f5;
    flex-wrap: wrap;
}

.news-tab {
    padding: 10px 18px;
    border: none;
    background: none;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}

.news-tab:hover {
    color: #007bff;
}

.news-tab.active {
    color: #007bff;
    border-bottom-color: #007bff;
}

.news-list {
    padding: 15px;
}

.news-item {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid #f0f2f5;
}

.news-item:last-child {
    border-bottom: none;
}

.news-item-image {
    width: 160px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
}

.news-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-item-title {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    line-height: 1.4;
    margin-bottom: 8px;
}

.news-item-title:hover {
    color: #007bff;
}

.news-item-desc {
    font-size: 13px;
    color: #999;
    line-height: 1.6;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 12px;
    color: #999;
}



.news-item-meta .views {
    color: #ff6b35;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-widget {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.widget-title {
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    border-bottom: 2px solid #f0f2f5;
}

.hot-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-bottom: none;
}

.widget-content {
    padding: 15px;
}

.flash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.flash-date {
    font-size: 13px;
    color: #999;
}

.flash-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.flash-item {
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f2f5;
}

.flash-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.flash-item.important .flash-time {
    color: #ff4757;
    font-weight: 600;
}

.flash-content {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
    margin-bottom: 5px;
}

.flash-time {
    font-size: 12px;
    color: #999;
}

.hot-news-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hot-news-item {
    display: flex;
    gap: 12px;
}

.hot-news-rank {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.hot-news-item:nth-child(1) .hot-news-rank {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931a 100%);
}

.hot-news-item:nth-child(2) .hot-news-rank {
    background: linear-gradient(135deg, #ffa502 0%, #ff6b81 100%);
}

.hot-news-item:nth-child(3) .hot-news-rank {
    background: linear-gradient(135deg, #7bed9f 0%, #2ed573 100%);
}

.hot-news-content {
    flex: 1;
}

.hot-news-title {
    font-size: 14px;
    color: #333;
    line-height: 1.4;
    margin-bottom: 5px;
}

.hot-news-title:hover {
    color: #007bff;
}

.hot-news-meta {
    font-size: 12px;
    color: #999;
}

.coin-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.coin-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 6px;
}

.coin-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.coin-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.coin-info {
    flex: 1;
}

.coin-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.coin-symbol {
    font-size: 12px;
    color: #999;
    margin-left: 5px;
}

.coin-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 6px;
}

.coin-total-supply {
    font-size: 12px;
    color: #007bff;
    font-weight: 500;
    background: rgba(0, 123, 255, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
    display: inline-block;
}

.coin-launch-date {
    font-size: 11px;
    color: #999;
    background: #f8f9fa;
    padding: 2px 8px;
    border-radius: 12px;
    display: inline-block;
}

.coin-price {
    text-align: right;
}

.coin-price-value {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.coin-change {
    font-size: 12px;
}

.coin-change.up {
    color: #2ed573;
}

.coin-change.down {
    color: #ff4757;
}

.footer {
    background: #2a2a3e;
    color: #999;
    padding: 30px 0 20px;
    margin-top: 40px;
}

.footer-simple {
    text-align: center;
}

.footer-risk-warning {
    padding: 15px 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 13px;
    line-height: 1.8;
}

.footer-risk-warning strong {
    color: #ffa502;
}

.footer-links {
    margin-bottom: 15px;
}

.footer-links a {
    color: #aaa;
    font-size: 13px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #667eea;
}

.footer-link-separator {
    margin: 0 10px;
    color: #555;
}

.footer-bottom-simple {
    padding-top: 20px;
    border-top: 1px solid #3a3a4e;
}

.footer-copyright {
    font-size: 13px;
}

.view-more-wrapper {
    padding: 15px;
    text-align: center;
}

.view-more-btn {
    padding: 10px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.view-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.text-green {
    color: #2ed573;
}

.text-red {
    color: #ff4757;
}

.card {
    background: #fff;
    border-radius: 8px;
}

.table-card {
    overflow: hidden;
}

.table-card table {
    width: 100%;
    border-collapse: collapse;
}

.table-card thead {
    background: #f8f9fa;
}

.table-card th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: #333;
    font-size: 14px;
    border-bottom: 2px solid #f0f2f5;
}

.table-card td {
    padding: 15px;
    border-bottom: 1px solid #f0f2f5;
    font-size: 14px;
    color: #333;
}

.table-card tbody tr:hover {
    background: #f8f9fa;
}

.table-card tbody tr:last-child td {
    border-bottom: none;
}

.btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.btn-outline {
    background: transparent;
    border: 1px solid #007bff;
    color: #007bff;
}

.btn-outline:hover {
    background: #007bff;
    color: #fff;
}

@media (max-width: 992px) {
    .main-content {
        flex-direction: column;
    }
    
    .content-right {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

.app-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #e8e8e8;
    padding: 8px 0;
    padding-bottom: env(safe-area-inset-bottom, 0);
    z-index: 999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .header-main .container {
        gap: 20px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav {
        display: none;
    }
    
    .featured-section {
        display: none;
    }
    
    .ad-banner {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .content-left {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .content-right {
        display: none;
    }
    
    .news-item {
        flex-direction: row;
    }
    
    .news-item-image {
        width: 120px;
        height: 80px;
    }
    
    .news-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 12px 12px 0;
        gap: 8px;
    }
    
    .news-tab {
        padding: 8px 12px;
        font-size: 13px;
        flex-shrink: 0;
        white-space: nowrap;
    }
    
    .main {
        padding: 15px 0;
        padding-bottom: 80px;
    }
    
    .app-bottom-nav {
        display: flex !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        background: #ffffff !important;
        opacity: 1 !important;
        z-index: 9999 !important;
        border-top: 1px solid #e8e8e8;
        padding: 8px 0;
        padding-bottom: env(safe-area-inset-bottom, 0);
        box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    }
}



.app-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    cursor: pointer;
    color: #666;
    text-decoration: none;
    transition: all 0.2s;
}

.app-nav-icon {
    font-size: 22px;
    line-height: 1;
}

.app-nav-text {
    font-size: 11px;
    font-weight: 500;
}

.app-nav-item.active,
.app-nav-item:hover {
    color: #667eea;
}

.app-nav-item.active .app-nav-icon,
.app-nav-item:hover .app-nav-icon {
    transform: scale(1.1);
}

.nav-category {
    margin-bottom: 30px;
}

.nav-category h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f2f5;
}

.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.nav-category .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: #fff;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
    border: 1px solid #e8e8e8;
}

.nav-category .nav-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: #007bff;
}

.nav-item-logo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    flex-shrink: 0;
}

.nav-item-info {
    flex: 1;
    min-width: 0;
}

.nav-item-name {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-item-desc {
    font-size: 12px;
    color: #999;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    font-weight: 700;
    font-size: 16px;
}

.exchange-logo-small {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
    background: #f0f2f5;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.exchange-logo-small img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.exchange-logo-large {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    overflow: hidden;
    flex-shrink: 0;
    background: #f0f2f5;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.exchange-logo-large img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.exchange-name-link {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    display: inline-block;
    margin-bottom: 6px;
    transition: color 0.3s;
}

.exchange-name-link:hover {
    color: #667eea;
}

.exchange-description-short {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
}

.score-display {
    font-size: 20px;
    font-weight: 700;
    color: #10b981;
}

.score-badge {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    border-radius: 12px;
    font-weight: 600;
}

.exchange-detail-card {
    padding: 30px;
}

.exchange-description {
    padding: 20px 0;
    color: #444;
    line-height: 1.8;
    font-size: 15px;
}

.exchange-description p {
    margin-bottom: 16px;
}

.exchange-description :last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .header {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        border-bottom: none;
        box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    }
    
    .header-main {
        padding: 18px 0;
    }
    
    .logo {
        font-size: 22px;
    }
    
    .logo-icon {
        font-size: 32px;
    }
    
    .logo-image {
        width: 42px;
        height: 42px;
        object-fit: contain;
    }
    
    .logo-text {
        background: linear-gradient(135deg, #f39c12 0%, #e74c3c 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .nav {
        gap: 8px;
    }
    
    .nav-item {
        padding: 12px 24px;
        color: rgba(255,255,255,0.9);
        font-size: 15px;
        font-weight: 500;
        border-radius: 30px;
        transition: all 0.3s;
    }
    
    .nav-item:hover,
    .nav-item.active {
        background: rgba(255,255,255,0.15);
        color: #fff;
    }
    
    .language-toggle {
        background: rgba(255,255,255,0.1);
        border: 1px solid rgba(255,255,255,0.2);
        color: rgba(255,255,255,0.9);
    }
    
    .language-toggle:hover {
        border-color: rgba(255,255,255,0.3);
        color: #fff;
    }
    
    .main {
        padding: 30px 0;
        background: #f5f7fa;
    }
    
    .container {
        max-width: 1300px;
    }
    
    .header-main .container {
        display: flex;
        align-items: center;
        justify-content: flex-start;
    }
    
    .header-logo {
        flex-shrink: 0;
        order: 1;
    }
    
    .nav {
        flex: 1;
        justify-content: flex-end;
        margin-right: 30px;
        order: 2;
    }
    
    .header-right {
        flex-shrink: 0;
        order: 3;
    }
    
    .sidebar-card {
        background: white;
        border-radius: 20px;
        padding: 24px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        border: 1px solid #f0f0f0;
        margin-bottom: 16px;
    }
    
    .sidebar-title {
        font-size: 18px;
        font-weight: 700;
        color: #1a1a2e;
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid #f0f0f0;
    }
    
    .sidebar-exchange-item {
        display: flex;
        gap: 12px;
        align-items: center;
        padding: 12px;
        border-radius: 12px;
        background: #f8f9fa;
        margin-bottom: 10px;
        cursor: pointer;
        transition: all 0.3s;
    }
    
    .sidebar-exchange-item:last-child {
        margin-bottom: 0;
    }
    
    .sidebar-exchange-item:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        transform: translateX(4px);
    }
    
    .sidebar-exchange-item:hover .sidebar-exchange-name,
    .sidebar-exchange-item:hover .sidebar-exchange-desc,
    .sidebar-exchange-item:hover .sidebar-exchange-rating {
        color: white;
    }
    
    .sidebar-exchange-logo {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: white;
        padding: 6px;
        flex-shrink: 0;
    }
    
    .sidebar-exchange-info {
        flex: 1;
        min-width: 0;
    }
    
    .sidebar-exchange-name {
        font-size: 14px;
        font-weight: 600;
        color: #1a1a2e;
        margin-bottom: 2px;
        transition: color 0.3s;
    }
    
    .sidebar-exchange-desc {
        font-size: 11px;
        color: #888;
        line-height: 1.4;
        transition: color 0.3s;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .sidebar-exchange-rating {
        font-size: 14px;
        font-weight: 700;
        color: #10b981;
        flex-shrink: 0;
        transition: color 0.3s;
    }
    
    .sidebar-flash-item {
        padding: 12px;
        border-radius: 10px;
        cursor: pointer;
        transition: all 0.3s;
        margin-bottom: 8px;
        background: #f8f9fa;
    }
    
    .sidebar-flash-item:last-child {
        margin-bottom: 0;
    }
    
    .sidebar-flash-item:hover {
        background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%);
        transform: translateX(4px);
    }
    
    .sidebar-flash-header {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 6px;
    }
    
    .sidebar-flash-badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 3px 8px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        font-size: 10px;
        font-weight: 600;
        border-radius: 8px;
        flex-shrink: 0;
    }
    
    .sidebar-flash-title {
        font-size: 13px;
        font-weight: 600;
        color: #1a1a2e;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        line-height: 1.4;
        flex: 1;
        min-width: 0;
    }
    
    .sidebar-flash-item:hover .sidebar-flash-title {
        color: #667eea;
    }
    
    .sidebar-flash-content {
        font-size: 11px;
        color: #888;
        line-height: 1.4;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .sidebar-coin-item {
        display: flex;
        gap: 20px;
        align-items: center;
        padding: 15px;
        border-radius: 12px;
        background: #f8f9fa;
        margin-bottom: 12px;
        cursor: pointer;
        transition: all 0.3s;
    }
    
    .sidebar-coin-item:last-child {
        margin-bottom: 0;
    }
    
    .sidebar-coin-item:hover {
        background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%);
        transform: translateX(4px);
    }
    
    .sidebar-coin-logo {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: white;
        padding: 4px;
        flex-shrink: 0;
        box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    }
    
    .sidebar-coin-symbol {
        font-size: 14px;
        font-weight: 700;
        color: #1a1a2e;
        transition: color 0.3s;
    }
    
    .sidebar-coin-item:hover .sidebar-coin-symbol {
        color: #667eea;
    }
    
    .sidebar-coin-supply {
        font-size: 12px;
        color: #667eea;
        font-weight: 600;
    }
    
    .sidebar-coin-year {
        font-size: 11px;
        color: #888;
    }
    
    .sidebar-widget {
        display: none;
    }
    
    .desktop-only-meta {
        display: inline-flex !important;
    }
    
    .desktop-only-meta.source {
        align-items: center;
        padding: 2px 8px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white !important;
        border-radius: 4px;
        font-size: 11px;
        font-weight: 500;
    }
    
    .desktop-only-meta.news-meta-date {
        align-items: center;
    }
}