/* ── 关于我们 ── */
.about .container { width: 96%; max-width: 1600px; }
.about { background: #f5f5f5; padding: 0 0 60px; }
.about .section-title { padding: 48px 0 32px; }

@media (max-width: 768px) {
    .about { padding: 0 0 48px; }
    .about .section-title { padding: 40px 0 26px; }
}
@media (max-width: 480px) {
    .about { padding: 0 0 40px; }
    .about .section-title { padding: 32px 0 22px; }
}

/* 内容约束在可读宽度内居中 */
.about-body {
    max-width: 800px;
    margin: 0 auto;
}

/* 开篇简介 */
.about-intro {
    font-size: 15px;
    color: #444;
    line-height: 1.85;
    margin: 0;
}

.about-intro strong {
    color: #f5a623;
    font-weight: 800;
    font-size: 18px;
}

/* 分隔线 */
.about-rule {
    width: 100%;
    height: 1px;
    background: #e0e0e0;
    margin: 22px 0;
}

/* 每个条目：标签在上，内容在下 */
.about-item {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.about-item-label {
    font-size: 11px;
    font-weight: 700;
    color: #f5a623;
    letter-spacing: 2.5px;
    text-transform: uppercase;
}

.about-item p {
    font-size: 14.5px;
    color: #444;
    line-height: 1.8;
    margin: 0;
}

/* 业务条目：· 分隔 */
.about-biz {
    color: #333 !important;
    line-height: 1.9 !important;
}

.ab-sep {
    color: #f5a623;
    margin: 0 8px;
    font-weight: 700;
}

/* 行业条目 */
.about-industries {
    color: #555 !important;
    line-height: 2 !important;
    letter-spacing: 0.2px;
}

.about-industries-note {
    font-size: 13px !important;
    color: #bbb !important;
    margin-top: 10px !important;
    line-height: 1.6 !important;
}

/* 响应式 */
@media (max-width: 768px) {
    .about-intro { font-size: 15px; }
    .about-item p { font-size: 14px; }
    .about-rule { margin: 20px 0; }
}

@media (max-width: 768px) {
    .about-body { padding: 0 16px; }
}

@media (max-width: 600px) {
    .about-body { max-width: 100%; padding: 0 16px; }
    .about-intro { font-size: 14.5px; }
    .about-intro strong { font-size: 16px; }
    .about-rule { margin: 16px 0; }
}

@media (max-width: 390px) {
    .about-body { padding: 0 14px; }
    .about-intro { font-size: 14px; }
    .about-item p { font-size: 13.5px; }
    .about-item-label { font-size: 10px; letter-spacing: 2px; }
    .about-industries { letter-spacing: 0; }
}