/* ============================================================
   shangcheng.html — 电商商城（左右分屏功能演示）
   命名空间：body.page-shangcheng
   签名布局：门店式左右分屏 / 功能六组横卷 / 支付安全四卡 / 多端场景
   ============================================================ */

body.page-shangcheng .hero-phone-note{ margin-top:18px; font-size:14px; color:var(--c-text); }
body.page-shangcheng .hero-phone-note a{ color:var(--c-purple-400); }
body.page-shangcheng .hero-phone-note strong{ color:var(--c-ink); font-size:16px; letter-spacing:.03em; }

/* ---------- 左右分屏（门店式） ---------- */
body.page-shangcheng .split-shop{ display:grid; grid-template-columns:1fr 1.1fr; gap:52px; align-items:center; }
body.page-shangcheng .split-img{ position:relative; }
body.page-shangcheng .split-img img{ border-radius:var(--radius-lg); box-shadow:var(--shadow-soft); }
body.page-shangcheng .shop-tag{
  position:absolute; padding:8px 18px; border-radius:999px; font-size:13px; font-weight:700; color:#fff;
  background:var(--grad-main); box-shadow:0 8px 20px rgba(197,174,239,.4);
}
body.page-shangcheng .shop-tag-1{ left:16px; top:18px; }
body.page-shangcheng .shop-tag-2{ right:16px; bottom:18px; background:var(--grad-dark); }
body.page-shangcheng .split-lead{ margin:14px 0 18px; color:var(--c-text); }
body.page-shangcheng .split-list li{
  padding:10px 0 10px 22px; position:relative; font-size:14.5px; border-bottom:1px dashed var(--c-line);
}
body.page-shangcheng .split-list li::before{
  content:""; position:absolute; left:0; top:18px; width:10px; height:10px; border-radius:3px; background:var(--grad-main);
}
body.page-shangcheng .split-list strong{ color:var(--c-ink); }
body.page-shangcheng .split-text .btn{ margin-top:20px; }

/* ---------- 功能六组横卷 ---------- */
body.page-shangcheng .feat-card{
  flex:0 0 auto; width:250px; background:#fff; border:1.5px solid var(--c-line);
  border-radius:var(--radius-md); padding:26px 24px; transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
}
body.page-shangcheng .feat-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-card); border-color:var(--c-pink-300); }
body.page-shangcheng .feat-card em{
  font-style:normal; font-weight:800; font-size:13px; letter-spacing:.08em;
  background:var(--grad-text); -webkit-background-clip:text; background-clip:text; color:transparent;
}
body.page-shangcheng .feat-card h3{ font-size:17px; margin:8px 0 12px; }
body.page-shangcheng .feat-card ul li{ font-size:13.5px; color:var(--c-text); padding:4px 0; }

/* ---------- 支付与安全 ---------- */
body.page-shangcheng .sec-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
body.page-shangcheng .sec-card{
  background:#fff; border:1.5px solid var(--c-line); border-radius:var(--radius-md); padding:26px 22px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
body.page-shangcheng .sec-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-card); }
body.page-shangcheng .sec-card h3{ font-size:16.5px; margin-bottom:10px; }
body.page-shangcheng .sec-card p{ font-size:13.5px; line-height:1.85; }
body.page-shangcheng .sec-card a{ color:var(--c-purple-400); text-decoration:underline; text-underline-offset:3px; }

/* ---------- 适用场景 ---------- */
body.page-shangcheng .scene-wrap{ display:grid; grid-template-columns:1fr 1.1fr; gap:48px; align-items:center; }
body.page-shangcheng .scene-img img{ border-radius:var(--radius-lg); box-shadow:var(--shadow-soft); }
body.page-shangcheng .scene-list{ margin:16px 0; }
body.page-shangcheng .scene-list li{ padding:9px 0; font-size:14.5px; }
body.page-shangcheng .scene-list strong{ color:var(--c-ink); }
body.page-shangcheng .scene-text p{ font-size:14.5px; }
body.page-shangcheng .scene-text a{ color:var(--c-purple-400); text-decoration:underline; text-underline-offset:3px; }

/* ---------- FAQ ---------- */
body.page-shangcheng .faq-list{ max-width:860px; margin:0 auto; display:flex; flex-direction:column; gap:14px; }
body.page-shangcheng .faq-list details{
  background:#fff; border:1.5px solid var(--c-line); border-radius:var(--radius-md); padding:18px 22px; transition:border-color .3s;
}
body.page-shangcheng .faq-list details[open]{ border-color:var(--c-purple-300); }
body.page-shangcheng .faq-list summary{
  cursor:pointer; font-weight:700; color:var(--c-ink); font-size:15.5px; list-style:none; position:relative; padding-right:28px;
}
body.page-shangcheng .faq-list summary::-webkit-details-marker{ display:none; }
body.page-shangcheng .faq-list summary::after{
  content:"+"; position:absolute; right:0; top:0; font-size:20px; color:var(--c-purple-400); font-weight:400;
}
body.page-shangcheng .faq-list details[open] summary::after{ content:"–"; }
body.page-shangcheng .faq-list p{ margin-top:12px; font-size:14px; line-height:1.9; }
body.page-shangcheng .faq-list a{ color:var(--c-purple-400); text-decoration:underline; text-underline-offset:3px; }

/* ---------- 尾屏 CTA ---------- */
body.page-shangcheng .sc-cta{
  background:var(--grad-soft); padding:76px 0; text-align:center;
}
body.page-shangcheng .sc-cta h2{ font-size:clamp(24px,3vw,32px); margin-bottom:14px; }
body.page-shangcheng .sc-cta p{ max-width:620px; margin:0 auto 26px; font-size:15px; }
body.page-shangcheng .sc-cta a{ color:var(--c-purple-400); }
body.page-shangcheng .sc-cta .hero-meta{ justify-content:center; }

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  body.page-shangcheng .split-shop{ grid-template-columns:1fr; gap:34px; }
  body.page-shangcheng .sec-grid{ grid-template-columns:1fr 1fr; }
  body.page-shangcheng .scene-wrap{ grid-template-columns:1fr; gap:30px; }
}
@media (max-width:768px){
  body.page-shangcheng .sec-grid{ grid-template-columns:1fr; }
  body.page-shangcheng .feat-card{ width:220px; }
  body.page-shangcheng .shop-tag{ font-size:12px; padding:6px 13px; }
}
@media (max-width:360px){
  body.page-shangcheng .split-list li, body.page-shangcheng .scene-list li{ font-size:13.5px; }
}