.search-box {
    max-width: 500px;
    margin: 0 auto 32px;
}
.search-box input {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid var(--border);
    border-radius: 50px;
    font-size: 15px;
    outline: none;
    transition: 0.3s;
}
.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 92, 255, 0.08);
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 32px;
}
.category-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 18px 16px;
    text-align: center;
    border: 1px solid var(--border);
    transition: 0.3s;
    cursor: pointer;
}
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}
.category-card .icon {
    font-size: 28px;
    margin-bottom: 6px;
}
.category-card h4 {
    font-size: 14px;
    font-weight: 600;
}
.category-card .count {
    font-size: 12px;
    color: var(--text-light);
}
.category-card.active {
    border-color: var(--primary);
    background: var(--primary-light);
}
@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.faq-list {
    margin-top: 8px;
}
.faq-item {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 10px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: 0.3s;
}
.faq-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}
.faq-item .q {
    font-weight: 600;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-item .q .arrow {
    color: var(--text-light);
    transition: 0.3s;
    font-size: 12px;
}
.faq-item .a {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    padding-top: 10px;
    margin-top: 10px;
    border-top: 1px solid var(--border);
    display: none;
}
.faq-item.open .a {
    display: block;
}
.faq-item.open .q .arrow {
    transform: rotate(180deg);
}