:root {
    --bg: #0b1020;
    --card-bg: rgba(20, 26, 51, 0.7);
    --border: rgba(122, 162, 255, 0.18);
    --text: #e8ebff;
    --muted: #9aa3ff;
    --accent: #6cf2c2;
    --accent2: #7aa2ff;
}
:root[data-theme="light"] {
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #cbd5e1;
    --text: #1e293b;
    --muted: #64748b;
    --accent: #0284c7;
    --accent2: #2563eb;
}
body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 24px;
}
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    background: var(--card-bg);
    padding: 12px 24px;
    border-radius: 40px;
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
}
.header-bar a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
#theme-toggle {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}
#theme-toggle:hover {
    background: var(--accent);
    color: #0b1020;
    border-color: var(--accent);
}

.breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}
.breadcrumb a {
    color: var(--accent2);
    text-decoration: none;
}
.breadcrumb a:hover {
    text-decoration: underline;
}

h1 {
    font-size: 36px;
    background: linear-gradient(135deg, var(--text), var(--accent2), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    margin-bottom: 12px;
}
.page-desc {
    text-align: center;
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 28px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin: 8px 0 18px;
    flex-wrap: wrap;
}
.section-head h2 {
    margin: 0;
    font-size: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}
.section-head h2 i {
    color: var(--accent);
}
.section-sub {
    font-size: 13px;
    color: var(--muted);
}

.hot-section {
    margin-bottom: 40px;
    padding: 22px 24px 18px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
}
.hot-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.hot-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    border: 1px solid transparent;
    transition: 0.22s;
    background: rgba(122, 162, 255, 0.04);
}
.hot-item:hover {
    border-color: var(--accent);
    background: rgba(108, 242, 194, 0.08);
    transform: translateY(-1px);
}
.hot-rank {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    background: rgba(122, 162, 255, 0.15);
    color: var(--muted);
}
.hot-rank.top {
    background: linear-gradient(135deg, #ff6b6b, #ffa94d);
    color: #fff;
}
.hot-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.hot-title {
    font-size: 14.5px;
    font-weight: 600;
    line-height: 1.4;
    word-break: break-word;
}
.hot-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 12px;
    color: var(--muted);
}
.hot-cat {
    color: var(--accent);
    font-weight: 600;
}
.hot-views {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.hot-loading {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--muted);
    padding: 18px 8px;
    font-size: 14px;
}

.archive-section {
    margin-top: 8px;
}

.tabs-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 35px;
    flex-wrap: wrap;
}
.tab-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: 0.3s;
}
.tab-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(108, 242, 194, 0.08);
}
.tab-btn.active {
    background: var(--accent);
    color: #0b1020;
    border-color: var(--accent);
    box-shadow: 0 4px 15px rgba(108, 242, 194, 0.25);
}
:root[data-theme="light"] .tab-btn {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #475569;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
:root[data-theme="light"] .tab-btn:hover {
    background: #f0f9ff;
    border-color: #0284c7;
    color: #0284c7;
}
:root[data-theme="light"] .tab-btn.active {
    background: #0284c7;
    color: #ffffff;
    border-color: #0284c7;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.article-text-row {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 24px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    transition: 0.25s;
    backdrop-filter: blur(12px);
}
.article-text-row:hover {
    border-color: var(--accent);
    transform: translateX(4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}
.article-row-left {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    flex: 1;
    min-width: 0;
}
.cat-tag {
    background: rgba(108, 242, 194, 0.15);
    color: var(--accent);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
    border: 1px solid rgba(108, 242, 194, 0.2);
    margin-top: 3px;
}
.article-title-link {
    color: var(--text);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    word-break: break-word;
    line-height: 1.45;
    transition: color 0.2s;
}
.article-title-link:hover {
    color: var(--accent);
}
.article-row-right {
    display: flex;
    align-items: center;
    gap: 20px;
    white-space: nowrap;
    color: var(--muted);
    font-size: 13.5px;
    flex-shrink: 0;
}
.article-summary-snippet {
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0.85;
    font-size: 13px;
}
.date-info {
    font-size: 12.5px;
    opacity: 0.7;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}
.page-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}
.page-btn.active,
.page-btn:hover {
    background: var(--accent2);
    color: #ffffff;
    border-color: var(--accent2);
}
:root[data-theme="light"] .page-btn {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #475569;
}
:root[data-theme="light"] .page-btn.active,
:root[data-theme="light"] .page-btn:hover {
    background: #2563eb;
    color: #ffffff;
    border-color: #2563eb;
}

footer {
    margin-top: 60px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid var(--border);
    padding: 30px 0;
}
footer a {
    color: var(--accent2);
    text-decoration: none;
}

@media (max-width: 768px) {
    .hot-grid {
        grid-template-columns: 1fr;
    }
    .hot-section {
        padding: 16px;
    }
    .article-text-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 16px;
    }
    .article-row-right {
        width: 100%;
        justify-content: space-between;
        white-space: normal;
    }
    .article-summary-snippet {
        display: none;
    }
    .article-row-left {
        width: 100%;
    }
    .article-title-link {
        white-space: normal;
        word-break: break-word;
        line-height: 1.45;
    }
    h1 {
        font-size: 28px;
    }
}