/* 白名单竞赛 — 对齐站内资讯/试卷视觉语言 */
:root {
    --wl-bg: #f5f7fb;
    --wl-surface: #ffffff;
    --wl-text: #1f2329;
    --wl-text-2: #646a73;
    --wl-text-3: #8f959e;
    --wl-line: #eef0f3;
    --wl-primary: #1677ff;
    --wl-primary-soft: #e8f3ff;
    --wl-primary-hover: #0f66e0;
    --wl-radius: 14px;
    --wl-shadow: 0 1px 2px rgba(31, 35, 41, 0.04), 0 8px 24px rgba(31, 35, 41, 0.06);
}

body:has(.wl-wrap) {
    background: var(--wl-bg);
}

.wl-wrap {
    min-height: calc(100vh - 120px);
    padding-bottom: 56px;
    background:
        radial-gradient(1100px 260px at 18% -50px, rgba(22, 119, 255, 0.09), transparent 58%),
        radial-gradient(900px 220px at 92% 0, rgba(14, 165, 233, 0.06), transparent 55%),
        var(--wl-bg);
}

.wl-page {
    max-width: 1250px;
    margin: 0 auto;
    padding: 28px 15px 0;
    color: var(--wl-text);
}

.wl-hero {
    margin-bottom: 20px;
    padding: 8px 4px 4px;
}

.wl-kicker {
    margin: 0 0 8px;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--wl-primary);
}

.wl-hero-title {
    margin: 0 0 10px;
    font-size: 30px;
    font-weight: 450;
    letter-spacing: -0.03em;
    line-height: 1.25;
    color: #17191c;
}

.wl-hero-desc {
    margin: 0;
    max-width: none;
    font-size: 15px;
    line-height: 1.65;
    color: var(--wl-text-2);
    white-space: nowrap;
}

.wl-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.wl-hero-meta span {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(22, 119, 255, 0.12);
    color: var(--wl-text-2);
    font-size: 12px;
    font-weight: 400;
}

.wl-panel {
    background: var(--wl-surface);
    border: 1px solid rgba(238, 240, 243, 0.95);
    border-radius: var(--wl-radius);
    box-shadow: var(--wl-shadow);
    overflow: hidden;
}

.wl-filters {
    padding: 18px 20px 8px;
    border-bottom: 1px solid var(--wl-line);
    background: linear-gradient(180deg, #fbfcfe 0%, #fff 100%);
}

.wl-filter-row,
.wl-search-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.wl-filter-label {
    flex: 0 0 42px;
    padding-top: 7px;
    color: var(--wl-text-3);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.2;
}

.wl-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.wl-chip {
    appearance: none;
    border: 1px solid transparent;
    background: #f0f2f5;
    color: var(--wl-text-2);
    height: 32px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 400;
    line-height: 30px;
    cursor: pointer;
    transition: background .15s ease, color .15s ease, border-color .15s ease, transform .15s ease;
}

.wl-chip:hover {
    background: #e8ebf0;
    color: var(--wl-text);
}

.wl-chip.active {
    background: var(--wl-primary-soft);
    color: var(--wl-primary);
    border-color: rgba(22, 119, 255, 0.18);
}

.wl-search {
    position: relative;
    flex: 1;
    min-width: 0;
}

.wl-search input {
    width: 100%;
    height: 40px;
    padding: 0 40px 0 14px;
    border: 1px solid #e5e8eb;
    border-radius: 10px;
    background: #fff;
    color: var(--wl-text);
    font-size: 14px;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.wl-search input::placeholder {
    color: #a0a6ad;
}

.wl-search input:focus {
    outline: none;
    border-color: #91caff;
    box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.12);
}

.wl-search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    border: 2px solid #a0a6ad;
    border-radius: 50%;
    pointer-events: none;
}

.wl-search-icon::after {
    content: "";
    position: absolute;
    right: -5px;
    bottom: -4px;
    width: 7px;
    height: 2px;
    background: #a0a6ad;
    border-radius: 2px;
    transform: rotate(45deg);
}

.wl-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--wl-line);
    background: #fafbfd;
}

.wl-stats {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    color: var(--wl-text-3);
    font-size: 13px;
}

.wl-stats #filterCount {
    color: var(--wl-text-2);
    font-weight: 400;
}

.wl-stats-sep {
    opacity: 0.5;
}

.wl-reset {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--wl-primary);
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background .15s ease;
}

.wl-reset:hover {
    background: var(--wl-primary-soft);
}

.wl-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 16px 20px 8px;
}

.wl-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
    padding: 16px 16px 14px;
    border: 1px solid var(--wl-line);
    border-radius: 12px;
    background: #fff;
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.wl-card:hover {
    border-color: #dbe7ff;
    box-shadow: 0 8px 22px rgba(31, 35, 41, 0.07);
    transform: translateY(-2px);
}

.wl-card-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.wl-badge {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 400;
    line-height: 24px;
}

.wl-badge-region {
    background: #f0f2f5;
    color: var(--wl-text-2);
}

.wl-badge-region.region-national { background: #e8f3ff; color: #1677ff; }
.wl-badge-region.region-guangdong { background: #f5f3ff; color: #7c3aed; }
.wl-badge-region.region-hunan { background: #ecfdf5; color: #059669; }
.wl-badge-region.region-zhejiang { background: #fff7ed; color: #c2410c; }
.wl-badge-region.region-shandong { background: #ecfeff; color: #0891b2; }
.wl-badge-region.region-henan { background: #fdf2f8; color: #db2777; }
.wl-badge-region.region-hebei { background: #eef2ff; color: #4f46e5; }
.wl-badge-region.region-jiangsu { background: #fef2f2; color: #dc2626; }

.wl-badge-category {
    background: #f0f2f5;
    color: var(--wl-text-2);
}

.wl-badge-category.natural { background: #e8f3ff; color: #1677ff; }
.wl-badge-category.humanities { background: #ecfdf5; color: #059669; }
.wl-badge-category.arts { background: #fff7ed; color: #c2410c; }

.wl-name {
    margin: 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.45;
    letter-spacing: -0.01em;
    color: #17191c;
}

.wl-card:hover .wl-name {
    color: var(--wl-primary);
}

.wl-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: auto;
}

.wl-meta-row {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    font-size: 13px;
    line-height: 1.5;
    color: var(--wl-text-2);
}

.wl-meta-label {
    flex: 0 0 4.5em;
    color: var(--wl-text-3);
    font-weight: 400;
}

.wl-meta-value {
    flex: 1;
    min-width: 0;
    word-break: break-word;
}

.wl-grades {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.wl-grade-pill {
    display: inline-flex;
    height: 22px;
    padding: 0 8px;
    border-radius: 6px;
    background: #f5f6f8;
    color: var(--wl-text-2);
    font-size: 12px;
    font-weight: 400;
    line-height: 22px;
}

.wl-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 56px 16px;
    text-align: center;
    color: var(--wl-text-3);
}

.wl-empty strong {
    color: var(--wl-text-2);
    font-size: 15px;
    font-weight: 400;
}

.wl-empty span {
    font-size: 13px;
}

.wl-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 16px 20px;
}

.wl-page-btn {
    appearance: none;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid #e5e8eb;
    border-radius: 8px;
    background: #fff;
    color: var(--wl-text-2);
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: all .15s ease;
}

.wl-page-btn:hover:not(:disabled):not(.active) {
    border-color: #91caff;
    color: var(--wl-primary);
    background: #f5f9ff;
}

.wl-page-btn.active {
    background: var(--wl-primary);
    border-color: var(--wl-primary);
    color: #fff;
}

.wl-page-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.wl-page-ellipsis {
    color: var(--wl-text-3);
    padding: 0 4px;
    font-size: 13px;
}

.wl-footer {
    margin-top: 24px;
    padding: 8px 4px 0;
    text-align: center;
    color: var(--wl-text-3);
    font-size: 13px;
    line-height: 1.7;
}

.wl-footer p {
    margin: 0;
}

@media (max-width: 900px) {
    .wl-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .wl-page {
        padding-top: 18px;
    }

    .wl-hero-title {
        font-size: 24px;
    }

    .wl-hero-desc {
        font-size: 14px;
        white-space: normal;
    }

    .wl-filters {
        padding: 14px 14px 4px;
    }

    .wl-filter-row,
    .wl-search-row {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 14px;
    }

    .wl-filter-label {
        padding-top: 0;
        flex: none;
    }

    .wl-toolbar {
        padding: 10px 14px;
        align-items: flex-start;
        flex-direction: column;
    }

    .wl-list {
        padding: 12px 14px 4px;
        gap: 10px;
    }

    .wl-card {
        padding: 14px;
    }

    .wl-card:hover {
        transform: none;
    }

    .wl-name {
        font-size: 15px;
    }

    .wl-pagination {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 16px;
    }

    .wl-pagination::-webkit-scrollbar {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .wl-card,
    .wl-chip,
    .wl-page-btn {
        transition: none;
    }
}