/* =============================================
   Smartent - 关于我们页面特有样式 (styles-about.css)
   仅在 about.html 中使用
   ============================================= */

/* 两栏布局 */
.two-col {display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}

/* 手风琴 */
.accordion-item {border:1px solid var(--border);border-radius:8px;margin-bottom:12px;}
.accordion-head {padding:16px 20px;background:var(--bg-light);font-weight:600;cursor:pointer;}
.accordion-body {padding:16px 20px;display:none;}
.accordion-item.active .accordion-body {display:block;}

/* 行业板块 */
.industry-section {background:var(--bg-light);}
.industry-grid {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    margin-top:40px;
}
.industry-item {
    background:#fff;
    padding:24px;
    border-radius:12px;
    text-align:center;
    border:1px solid var(--border);
}

/* 深色CTA */
.dark-cta {
    background:linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #2563EB 100%);
    color:#fff;text-align:center;
}

/* 响应式 */
@media (max-width:992px) {
    .two-col {grid-template-columns:1fr;}
    .industry-grid {grid-template-columns:repeat(2,1fr);}
}
@media (max-width:576px) {
    .industry-grid {grid-template-columns:1fr;}
}