* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --bg-body: #11161c;
    --bg-card: #1a2028;
    --bg-card-hover: #232b36;
    --border-light: #2a313b;
    --text-primary: #e8edf2;
    --text-secondary: #b0b8c2;
    --text-muted: #6a7a8a;
    --accent: #55d88b;
    --accent-bright: #6ae09c;
    --radius: 8px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --transition: 0.2s ease;
}
html {
    scroll-behavior: smooth;
}
body {
    background: var(--bg-body);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    padding: 0;
    min-height: 100vh;
}
.bg-layer {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: var(--bg-body);
    background-image: radial-gradient(circle at 20% 30%, rgba(106, 138, 154, 0.06) 0%, transparent 50%),
                      radial-gradient(circle at 80% 70%, rgba(106, 138, 154, 0.04) 0%, transparent 50%);
}
a {
    text-decoration: none;
    color: inherit;
}
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 96px 20px 40px;
    position: relative;
    z-index: 1;
}
.page-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 16px;
}
.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}
.page-header h1 .count {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-muted);
}
.page-header .actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}
.page-header .actions .btn {
    padding: 8px 20px;
    border-radius: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.page-header .actions .btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--accent);
}
.page-header .actions .btn-primary {
    background: var(--accent);
    color: #111;
    border-color: var(--accent);
}
.page-header .actions .btn-primary:hover {
    background: var(--accent-bright);
    border-color: var(--accent-bright);
}
.sort-group {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-right: 8px;
}
.sort-label {
    color: var(--text-muted);
    font-size: 13px;
    margin-right: 4px;
}
.sort-btn {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    transition: var(--transition);
}
.sort-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}
.sort-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.search-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 12px 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    margin-bottom: 24px;
}
.search-bar form {
    flex: 1;
    display: flex;
    gap: 10px;
    min-width: 200px;
}
.search-bar input[type="text"] {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-size: 15px;
    border: 1px solid transparent;
    transition: var(--transition);
    outline: none;
}
.search-bar input[type="text"]:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
}
.search-bar input[type="text"]::placeholder {
    color: var(--text-muted);
}
.search-bar button[type="submit"] {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    background: var(--accent);
    color: #111;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.search-bar button[type="submit"]:hover {
    background: var(--accent-bright);
}
.search-bar .filter-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.search-bar .filter-tabs a {
    padding: 6px 14px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-size: 13px;
    transition: var(--transition);
    border: 1px solid transparent;
}
.search-bar .filter-tabs a.active {
    background: var(--accent);
    color: #111;
    border-color: var(--accent);
}
.search-bar .filter-tabs a:hover:not(.active) {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}
.two-col {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 28px;
}
.filter-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 18px 16px 20px;
    align-self: start;
    position: sticky;
    top: 100px;
    max-height: 70vh;                
    overflow-y: auto;                
    scrollbar-width: thin;
}
.filter-sidebar::-webkit-scrollbar {
    width: 4px;
}
.filter-sidebar::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
.filter-sidebar::-webkit-scrollbar-track {
    background: transparent;
}
.filter-group {
    margin-bottom: 16px;
    display: flex;
    flex-wrap: wrap;                 
    gap: 2px 6px;                   
}
.filter-group .label {
    font-size: 13px;
    color: var(--text-muted);
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    width: 100%;                    
    flex-shrink: 0;
}
.filter-group .filter-item {
    display: inline-flex;           
    align-items: center;
    gap: 4px;
    padding: 2px 8px 2px 4px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
    border-radius: 4px;
    white-space: nowrap;
}
.filter-group .filter-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}
.filter-group .filter-item input[type="checkbox"] {
    accent-color: var(--accent);
    width: 14px;
    height: 14px;
    cursor: pointer;
    flex-shrink: 0;
}
.filter-group .filter-item .badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.06);
    padding: 0 6px;
    border-radius: 10px;
    font-size: 11px;
    color: var(--text-muted);
}
.apply-btn {
    width: 100%;
    padding: 10px 0;
    border: none;
    border-radius: 6px;
    background: var(--accent);
    color: #111;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 8px;
}
.apply-btn:hover {
    background: var(--accent-bright);
}
.reset-btn {
    width: 100%;
    padding: 8px 0;
    border: none;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    margin-top: 6px;
}
.reset-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.resource-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}
.resource-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    background: var(--bg-card-hover);
}
.card-cover {
    position: relative;
    padding-bottom: 62.5%;
    background: #0b0f14;
    overflow: hidden;
}
.card-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.card-cover .placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 12px;
    background: #0b0f14;
}
.card-cover .placeholder .icon {
    font-size: 28px;
    opacity: 0.3;
}
.card-body {
    padding: 12px 14px 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.card-body .name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.card-body .sub-name {
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.card-body .summary {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}
.card-body .meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
    padding-top: 8px;
}
.card-body .meta .tag {
    background: rgba(255, 255, 255, 0.04);
    padding: 0 10px;
    border-radius: 12px;
    line-height: 20px;
    color: var(--text-secondary);
    font-size: 11px;
}
.card-body .meta .author {
    display: flex;
    align-items: center;
    gap: 4px;
}
.card-body .meta .author i {
    font-size: 12px;
    opacity: 0.6;
}
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 10px 0 6px;
    border-top: 1px solid var(--border-light);
    margin-top: 8px;
}
.pagination a,
.pagination .current {
    padding: 6px 16px;
    border-radius: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition);
}
.pagination a:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--accent);
}
.pagination .current {
    background: var(--accent);
    color: #111;
    border-color: var(--accent);
    font-weight: 600;
}
@media (max-width: 1024px) {
    .two-col {
        grid-template-columns: 1fr;
    }
    .filter-sidebar {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 10px 20px;
        align-items: center;
        padding: 14px 18px;
    }
    .filter-sidebar .filter-title {
        width: 100%;
        margin-bottom: 0;
    }
    .filter-group {
        margin-bottom: 0;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 6px 16px;
    }
    .filter-group .label {
        margin-bottom: 0;
        font-size: 13px;
    }
    .filter-group .filter-item {
        padding: 0;
    }
    .filter-divider {
        display: none;
    }
    .reset-btn {
        width: auto;
        padding: 4px 16px;
        margin-top: 0;
    }
    .apply-btn {
        width: auto;
        padding: 6px 20px;
        margin-top: 0;
    }
    .search-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .search-bar form {
        flex-wrap: wrap;
    }
}
@media (max-width: 600px) {
    .container {
        padding: 16px;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .page-header .actions {
        width: 100%;
        flex-wrap: wrap;
    }
    .page-header .actions .btn {
        flex: 1;
        justify-content: center;
    }
    .resource-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 14px;
    }
    .card-body .name {
        font-size: 14px;
    }
    .card-body .summary {
        font-size: 12px;
        -webkit-line-clamp: 2;
    }
    .search-bar input[type="text"] {
        font-size: 14px;
    }
    .sort-group {
        margin-right: 0;
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
    .sort-btn {
        font-size: 12px;
        padding: 3px 10px;
    }
}
@media (max-width: 400px) {
    .resource-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
}
/* ===== 智能分页（折叠 + 跳转） ===== */
.pagination .page-ellipsis {
    color: var(--text-muted);
    padding: 0 4px;
}
.pagination .page-jump {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}
.pagination .page-jump .jump-label {
    font-size: 13px;
    color: var(--text-muted);
}
.pagination .page-jump input[type="number"] {
    width: 50px;
    padding: 4px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 13px;
    text-align: center;
}
.pagination .page-jump input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
}
.pagination .page-jump .page-jump-btn {
    padding: 4px 12px;
    border: none;
    border-radius: 4px;
    background: var(--accent);
    color: #111;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}
.pagination .page-jump .page-jump-btn:hover {
    background: var(--accent-bright);
}
.pagination a.disabled {
    pointer-events: none;
    opacity: 0.4;
}