/* ==========================================================================
   about-licheng.html · 发展历程 —— 中轴线纵向时间线
   ========================================================================== */

/* ---------- 页首 ---------- */
.lc-hero{padding:140px 0 40px}
.lc-hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:end;margin-top:24px}
.lc-hero h1{margin:0}
.lc-hero-desc{color:var(--ink-2);font-size:15.5px;padding-bottom:8px}

/* ---------- 时间线：三列网格 ---------- */
.lc-timeline{padding:50px 0 10px}
.lc-timeline-in{max-width:1000px;margin:0 auto}
.lc-line{position:relative}
.lc-line::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--line);transform:translateX(-50%)}
.lc-item{display:grid;grid-template-columns:1fr 40px 1fr;align-items:start;position:relative;padding:0 0 46px}
.lc-year{font-family:var(--font-serif);font-size:34px;color:var(--brown);text-align:right;padding-right:30px;line-height:1.2}
.lc-dot{width:14px;height:14px;border-radius:50%;background:var(--card);border:3px solid var(--brown);justify-self:center;margin-top:10px;position:relative;z-index:1}
.lc-dot-now{background:var(--brown);box-shadow:0 0 0 6px rgba(75,58,44,.15)}
.lc-body{padding-left:30px}
.lc-body h3{font-size:19px;margin-bottom:8px}
.lc-body p{color:var(--ink-2);font-size:14.5px}
.lc-item:nth-child(even) .lc-year{text-align:left;padding-left:30px;padding-right:0;grid-column:3;order:3}
.lc-item:nth-child(even) .lc-dot{order:2}
.lc-item:nth-child(even) .lc-body{order:1;padding-left:0;padding-right:30px}
.lc-fig{margin-top:16px}
.lc-fig img{border-radius:var(--r-sm);width:100%;height:auto}
.lc-fig figcaption{font-size:12.5px;color:var(--muted);margin-top:8px}
.lc-item-now .lc-body{background:var(--brown-bg);border-radius:var(--r);padding:20px}

/* ---------- 数字小结 ---------- */
.lc-nums{padding:30px 0 10px}
.lc-nums-list{display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden}
.lc-nums-list li{padding:30px 26px;border-right:1px dashed var(--line)}
.lc-nums-list li:last-child{border-right:0}
.lc-nums-list b{font-family:var(--font-serif);font-size:40px;color:var(--brown);display:block;line-height:1.1}
.lc-nums-list span{font-size:13.5px;color:var(--ink-2)}

/* ---------- 踩过的坑 ---------- */
.lc-lesson{padding:60px 0 20px}
.lc-lesson-in{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.lc-lesson-body .sec-title{margin:10px 0 16px}
.lc-p{color:var(--ink-2);margin-bottom:14px}
.lc-lesson-media img{border-radius:var(--r);box-shadow:var(--shadow);width:100%;height:auto}

/* ---------- CTA ---------- */
.lc-cta{background:var(--brown-deep);border-radius:26px;margin:20px 28px 0;padding:60px 28px;text-align:center}
.lc-cta h2{color:#fff;margin:0 0 24px}
.lc-cta-acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.lc-cta p{color:rgba(255,255,255,.65);font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .lc-hero-in,.lc-lesson-in{grid-template-columns:1fr;gap:24px}
  .lc-line::before{left:8px}
  .lc-item{grid-template-columns:34px 1fr;gap:14px}
  .lc-year{grid-column:2 !important;text-align:left !important;padding:0 !important;font-size:22px}
  .lc-dot{grid-column:1;order:0 !important}
  .lc-body{grid-column:2 !important;order:1 !important;padding:0 !important}
  .lc-nums-list{grid-template-columns:1fr 1fr}
  .lc-nums-list li:nth-child(2){border-right:0}
  .lc-nums-list li{border-bottom:1px dashed var(--line)}
}
@media (max-width:640px){
  .lc-nums-list{grid-template-columns:1fr}
  .lc-nums-list li{border-right:0}
  .lc-cta{margin:16px 16px 0}
}