/* ============================================================
   服务承诺 fuwuchengnuo.css
   骨架：J 拱券 —— 承诺卡顶部做半圆拱券造型（圆顶上沿）
   母题：手掌心纹 —— 板块底部一条掌纹状细金线，服务标准板块配弧线装饰
   ============================================================ */

.cheng-hero .crumb em { color: var(--gold-deep); font-style: normal; }

/* ---------- 拱券承诺卡：圆顶造型 ---------- */
.arch-card {
  background: var(--grad-cream); border: 1px solid rgba(194, 160, 75, .3);
  border-radius: 120px 120px var(--radius) var(--radius);
  padding: 46px 28px 26px; text-align: center;
  transition: transform .4s ease, box-shadow .4s ease;
}
.arch-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-gold); }
.arch-card h3 { font-size: 18px; margin-bottom: 10px; color: var(--gold-deep); }
.arch-card p { font-size: 14px; color: var(--ink-soft); }

/* ---------- 掌纹母题：服务标准板块底部一条弧线 ---------- */
.cheng-std-sec { position: relative; border-bottom: 2px solid transparent; }
.cheng-std-sec::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 26px;
  background: radial-gradient(120% 100% at 50% 100%, transparent 60%, var(--gold-light) 61%, transparent 63%);
  opacity: .5; pointer-events: none;
}

/* ---------- 回访时间轴左侧加手掌心纹虚线 ---------- */
.cheng-visit-sec .timeline::before { border-left: 2px dotted var(--gold); }

.cheng-figcap { margin-top: 12px; font-size: 13.5px; color: var(--ink-mute); text-align: center; }
.cheng-faq .acc { max-width: 860px; margin-inline: auto; }

/* ---------- 工具间距类 ---------- */
.mt-xs{margin-top:14px}.mt-s{margin-top:16px}.mt-m{margin-top:18px}.mt-xl{margin-top:36px}.mb-xs{margin-bottom:12px}.mb-s{margin-bottom:16px}