/* ========================================
   Sub-pages & News & App Download styles
   ======================================== */

/* --- App Download Section --- */
.app-download {
    background: linear-gradient(135deg, #1652f0 0%, #6366f1 100%);
    border-radius: 16px;
    margin: 40px 0;
    overflow: hidden;
    color: #fff;
}

.app-download-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    padding: 40px 48px;
    align-items: center;
}

.app-download-text h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.app-download-text p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.app-features {
    list-style: none;
    margin-bottom: 24px;
}

.app-features li {
    font-size: 14px;
    padding: 5px 0;
    opacity: 0.95;
}

.app-features li::before {
    content: "✓ ";
    font-weight: bold;
}

.app-download-btns {
    display: flex;
    gap: 12px;
}

.app-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
    backdrop-filter: blur(4px);
}

.app-download-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.app-download-btn .btn-icon {
    font-size: 22px;
}

.app-download-btn .btn-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.app-download-btn .btn-text small {
    font-size: 10px;
    opacity: 0.8;
}

.app-qr-code {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 16px;
    border-radius: 12px;
}

.app-qr-code img {
    width: 160px;
    height: 160px;
    border-radius: 8px;
}

.app-qr-code p {
    color: #333;
    font-size: 12px;
    margin-top: 8px;
    font-weight: 500;
}

/* --- News Section --- */
.news-section {
    margin: 40px 0;
}

.news-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.news-section-header h2 {
    font-size: 22px;
    font-weight: 700;
}

.news-section-header a {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.news-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.news-card.featured {
    grid-column: span 2;
    border-left: 4px solid var(--primary);
}

.news-card .news-category {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    width: fit-content;
}

.news-card .news-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
}

.news-card.featured .news-title {
    font-size: 20px;
}

.news-card .news-summary {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card.featured .news-summary {
    font-size: 14px;
    -webkit-line-clamp: 3;
}

.news-card .news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.news-card .news-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* --- Sub Page Layout --- */
.sub-page-header {
    background: linear-gradient(135deg, #f0f4ff 0%, #f8fafc 100%);
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}

.sub-page-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.sub-page-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

.sub-page-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 24px;
}

/* --- Exchange Table --- */
.exchange-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.exchange-table thead th {
    background: var(--bg-thead);
    padding: 14px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
}

.exchange-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.exchange-table tbody tr:hover {
    background: var(--bg-hover);
}

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

.exchange-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.exchange-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary);
    font-size: 14px;
}

/* --- DeFi Grid --- */
.defi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.defi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.15s ease;
}

.defi-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.defi-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.defi-card-header .defi-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
}

.defi-card-header .defi-name {
    font-weight: 600;
    font-size: 15px;
}

.defi-card-header .defi-category {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.defi-card-stats {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.defi-card-stat {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.defi-card-stat .stat-key {
    color: var(--text-secondary);
}

.defi-card-stat .stat-val {
    font-weight: 600;
}

/* --- NFT Grid --- */
.nft-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.nft-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.15s ease;
    cursor: pointer;
}

.nft-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.nft-card-image {
    width: 100%;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 800;
    color: #fff;
}

.nft-card-body {
    padding: 16px;
}

.nft-card-body .nft-name {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 4px;
}

.nft-card-body .nft-chain {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.nft-card-stats {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.nft-card-stats .stat-key {
    color: var(--text-secondary);
}

.nft-card-stats .stat-val {
    font-weight: 600;
}

/* --- News List Page --- */
.news-page-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    margin-top: 24px;
}

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

.news-list-item {
    display: flex;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.news-list-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.news-list-item .news-item-thumb {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.news-list-item .news-item-body {
    flex: 1;
}

.news-list-item .news-item-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 6px;
}

.news-list-item .news-item-summary {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}

.news-list-item .news-item-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

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

.news-sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.news-sidebar-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

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

.news-hot-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    padding: 6px 0;
}

.news-hot-item .rank {
    font-size: 16px;
    font-weight: 800;
    color: var(--primary);
    min-width: 20px;
    line-height: 1.4;
}

.news-hot-item:nth-child(n+4) .rank {
    color: var(--text-muted);
}

.news-hot-item .title {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-hot-item:hover .title {
    color: var(--primary);
}

.news-category-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.news-category-filter a {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.news-category-filter a:hover,
.news-category-filter a.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* --- News Detail --- */
.news-detail-header {
    margin-bottom: 24px;
}

.news-detail-header .news-detail-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    color: #fff;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.news-detail-header h1 {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.news-detail-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

.news-detail-content p {
    margin-bottom: 16px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
    .news-card.featured {
        grid-column: span 1;
    }
    .news-page-layout {
        grid-template-columns: 1fr;
    }
    .sub-page-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .app-download-inner {
        grid-template-columns: 1fr;
        padding: 24px;
        text-align: center;
    }
    .app-download-btns {
        justify-content: center;
    }
    .app-qr-code {
        justify-self: center;
    }
    .news-list-item {
        flex-direction: column;
    }
    .news-list-item .news-item-thumb {
        width: 100%;
        height: 100px;
    }
}