/* =======================================================
   首页：快速入口与可点击兴趣卡片
   ======================================================= */

.quick-access {
    position: relative;
    padding: 64px 0 72px;
    background:
        radial-gradient(circle at 88% 8%, rgba(77, 107, 254, 0.08), transparent 30%),
        var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
}

.quick-access .section-head {
    margin-bottom: 22px;
}

.quick-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.quick-search {
    display: flex;
    flex: 1 1 280px;
    align-items: center;
    gap: 9px;
    min-width: 0;
    padding: 9px 14px;
    color: var(--text-secondary);
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 999px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.quick-search:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(77, 107, 254, 0.12);
}

.quick-search i {
    flex: 0 0 auto;
    color: var(--primary-color);
    font-size: 0.82rem;
}

.quick-search input {
    width: 100%;
    min-width: 0;
    padding: 0;
    color: var(--text-primary);
    background: transparent;
    border: 0;
    outline: 0;
    font-family: inherit;
    font-size: 0.86rem;
}

.quick-search input::placeholder {
    color: var(--text-secondary);
    opacity: 0.72;
}

.quick-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.quick-filter {
    padding: 8px 13px;
    color: var(--text-secondary);
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.78rem;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.quick-filter:hover,
.quick-filter.is-active {
    color: var(--bg-primary);
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.quick-count {
    flex: 0 0 auto;
    color: var(--text-secondary);
    font-size: 0.74rem;
    white-space: nowrap;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.quick-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    padding: 16px;
    overflow: hidden;
    color: inherit;
    text-decoration: none;
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.quick-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0.65;
}

.quick-card:hover {
    opacity: 1;
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.quick-card[hidden],
.quick-grid[hidden] {
    display: none;
}

.quick-icon {
    display: flex;
    flex: 0 0 42px;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    color: var(--primary-color);
    background: rgba(127, 127, 127, 0.08);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    font-size: 1rem;
}

.quick-copy {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-width: 0;
    gap: 3px;
}

.quick-copy strong {
    color: var(--text-primary);
    font-size: 0.94rem;
    line-height: 1.4;
}

.quick-copy small {
    color: var(--text-secondary);
    font-size: 0.75rem;
    line-height: 1.5;
}

.quick-arrow {
    flex: 0 0 auto;
    color: var(--primary-color);
    font-size: 0.74rem;
    opacity: 0.65;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.quick-card:hover .quick-arrow {
    opacity: 1;
    transform: translateX(3px);
}

.quick-empty {
    padding: 42px 20px;
    color: var(--text-secondary);
    text-align: center;
    background: var(--card-bg);
    border: 1px dashed var(--border-light);
    border-radius: 16px;
}

.quick-empty[hidden] {
    display: none;
}

.quick-empty p {
    margin: 0 0 14px;
}

/* 首页兴趣卡片改成整卡可点击 */
.feature-card {
    display: block;
    color: inherit;
    text-decoration: none;
}

.feature-card:hover {
    opacity: 1;
}

.feature-go {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    color: var(--primary-color);
    font-size: 0.78rem;
    font-weight: 600;
}

.feature-go i {
    font-size: 0.68rem;
    transition: transform 0.25s ease;
}

.feature-card:hover .feature-go i {
    transform: translateX(4px);
}

@media (max-width: 1000px) {
    .quick-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .quick-access {
        padding: 52px 0 58px;
    }

    .quick-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .quick-search {
        flex-basis: auto;
        width: 100%;
    }

    .quick-filters {
        order: 2;
    }

    .quick-count {
        order: 3;
    }

    .quick-grid {
        grid-template-columns: 1fr;
    }

    .quick-card {
        padding: 14px;
    }
}