/* ============================================================
   FAQ 常见问题 —— 与 contact.html 源码样式一致
   ============================================================ */

.qing-faq {
    --blue: #1b3df5;
    --navy: #0b1a3a;
    --muted: #6b7891;
    --bg-soft: #f4f6fb;
    font-family: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
}

.qing-faq *,
.qing-faq *::before,
.qing-faq *::after { box-sizing: border-box; }

.qing-faq .faq-left {
    padding: 28px 30px;
    border-radius: 10px;
}
.qing-faq.faq-soft .faq-left { background: var(--bg-soft); }

.qing-faq .faq-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}
.qing-faq .faq-head h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--navy);
    margin: 0;
}
.qing-faq .faq-all {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--blue);
    font-weight: 600;
    font-size: 13px;
    white-space: nowrap;
    text-decoration: none;
}
.qing-faq .faq-all svg { width: 14px; height: 14px; }

.qing-faq .faq-item { border-bottom: 1px solid #e1e6f0; }
.qing-faq .faq-q {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--navy);
    text-align: left;
    font-family: inherit;
}
.qing-faq .faq-chev {
    width: 16px;
    height: 16px;
    color: var(--muted);
    flex-shrink: 0;
    transition: transform .3s ease;
}
.qing-faq .faq-item.open .faq-chev { transform: rotate(180deg); color: var(--blue); }
.qing-faq .faq-item.open .faq-q { color: var(--blue); }

.qing-faq .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}
.qing-faq .faq-a p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
    padding: 0 0 16px;
    margin: 0;
}