.faq-section {
    padding: 80px 0;
    background: #f8f9fa;
}

/* ── 左侧信息栏 ── */
.faq-sidebar {
    position: sticky;
    top: 100px;
}

.faq-sidebar .faq-label {
    display: inline-block;
    padding: 4px 14px;
    background: #ffb200;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.faq-sidebar h2 {
    font-size: 32px;
    font-weight: 700;
    color: #020202;
    line-height: 1.35;
    margin-bottom: 18px;
}

.faq-sidebar h2 span {
    color: #ffb200;
}

.faq-sidebar p {
    color: #666;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 28px;
}

.faq-contact-box {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: #fff;
    border-left: 4px solid #ffb200;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.faq-contact-box .icon {
    width: 46px;
    height: 46px;
    background: #ffb200;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.faq-contact-box .icon i {
    color: #fff;
    font-size: 18px;
}

.faq-contact-box .text small {
    display: block;
    font-size: 11px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.faq-contact-box .text strong {
    font-size: 15px;
    color: #020202;
    font-weight: 700;
}

/* ── 右侧 FAQ 列表 ── */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.10);
}

.faq-item-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
}

.faq-item-header .faq-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: #fff7e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #ffb200;
    transition: background 0.3s, color 0.3s;
}

.faq-item.open .faq-item-header .faq-num {
    background: #ffb200;
    color: #fff;
}

.faq-item-header .faq-question {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
    color: #020202;
    line-height: 1.4;
    transition: color 0.2s;
}

.faq-item.open .faq-item-header .faq-question {
    color: #ffb200;
}

.faq-item-header .faq-arrow {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border: 2px solid #eee;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.faq-item-header .faq-arrow i {
    font-size: 11px;
    color: #aaa;
    transition: transform 0.3s, color 0.3s;
}

.faq-item.open .faq-item-header .faq-arrow {
    border-color: #ffb200;
    background: #ffb200;
}

.faq-item.open .faq-item-header .faq-arrow i {
    transform: rotate(180deg);
    color: #fff;
}

/* 展开内容 */
.faq-item-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.3s;
}

.faq-item.open .faq-item-body {
    max-height: 300px;
}

.faq-item-body-inner {
    padding: 0 24px 22px 76px;
    font-size: 14px;
    color: #666;
    line-height: 1.85;
    border-top: 1px solid #f0f0f0;
    padding-top: 16px;
}

/* 顶部分隔线（展开时显示） */
.faq-item.open .faq-item-body-inner {
    border-top-color: #ffe9b0;
}