/* ============================================================
   页面：sanmenxia.html 三门峡站（shard-C2）
   签名布局：L3 hero 左侧图右侧文字分屏
   骨架：分屏hero / 特色分屏 / 服务网格 / 案例横卷 / 编号优势轴 / FAQ / CTA
   ============================================================ */

/* ---------- Hero：L3 左图右文分屏 ---------- */
body.page-sanmenxia .sm-hero{
  background:var(--grad-soft);
  padding:96px 0 90px;
  overflow:hidden;
}
body.page-sanmenxia .sm-hero-in{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:56px;
  align-items:center;
}
body.page-sanmenxia .sm-hero-img{
  position:relative;
  margin:0;
}
body.page-sanmenxia .sm-hero-img img{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  width:100%;
}
body.page-sanmenxia .sm-hero-badge{
  position:absolute;
  left:18px;
  bottom:18px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-radius:999px;
  padding:8px 18px;
  font-size:13px;
  font-weight:700;
  color:var(--c-pink-400);
  box-shadow:var(--shadow-card);
}
body.page-sanmenxia .sm-hero-txt h1{margin:16px 0 14px;font-weight:800}
body.page-sanmenxia .sm-hero-txt .hero-desc{font-size:16px}
body.page-sanmenxia .sm-hero-txt .hero-desc strong{color:var(--c-ink)}
body.page-sanmenxia .sm-hero-txt .hero-hotline{margin-top:18px;font-size:14px;color:var(--c-muted)}

/* ---------- 三门峡特色模块：左文右图 ---------- */
body.page-sanmenxia .sm-feature{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:48px;
  align-items:center;
}
body.page-sanmenxia .sm-feature-list{counter-reset:smf}
body.page-sanmenxia .sm-feature-list li{
  position:relative;
  padding:14px 0 14px 0;
  border-bottom:1px dashed var(--c-line);
  font-size:14px;
  line-height:1.9;
}
body.page-sanmenxia .sm-feature-list li:last-child{border-bottom:0}
body.page-sanmenxia .sm-feature-list strong{color:var(--c-ink)}
body.page-sanmenxia .sm-feature-txt>p{font-size:14.5px;margin-top:10px}
body.page-sanmenxia .sm-feature-txt a{color:var(--c-purple-400);border-bottom:1px dashed var(--c-purple-300)}
body.page-sanmenxia .sm-feature-img img{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
  width:100%;
}
body.page-sanmenxia .sm-feature-img figcaption{
  margin-top:12px;
  font-size:12.5px;
  color:var(--c-muted);
  text-align:center;
}

/* ---------- 核心服务：6 卡网格 ---------- */
body.page-sanmenxia .sm-svc-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
body.page-sanmenxia .sm-svc{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--radius-md);
  padding:26px 24px;
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
}
body.page-sanmenxia .sm-svc:hover{transform:translateY(-5px);border-color:var(--c-purple-200);box-shadow:var(--shadow-card)}
body.page-sanmenxia .sm-svc h3{font-size:18px;margin-bottom:8px}
body.page-sanmenxia .sm-svc p{font-size:13.5px;line-height:1.85}

/* ---------- 本地案例：横向卷轴大卡 ---------- */
body.page-sanmenxia .sm-case{
  flex:0 0 320px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
body.page-sanmenxia .sm-case:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}
body.page-sanmenxia .sm-case img{width:100%;height:190px;object-fit:cover}
body.page-sanmenxia .sm-case-body{padding:20px}
body.page-sanmenxia .sm-case-tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--c-pink-400);
  background:var(--c-bg-pink);
  border-radius:999px;
  padding:3px 12px;
  margin-bottom:10px;
}
body.page-sanmenxia .sm-case h3{font-size:17px;margin-bottom:8px}
body.page-sanmenxia .sm-case p{font-size:13px;line-height:1.8;margin-bottom:10px}
body.page-sanmenxia .sm-case em{font-style:normal;font-size:13px;font-weight:700;color:var(--c-purple-400)}

/* ---------- 本地优势：编号时间轴 ---------- */
body.page-sanmenxia .sm-adv{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
body.page-sanmenxia .sm-adv li{
  position:relative;
  padding-top:14px;
}
body.page-sanmenxia .sm-adv li::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:2px;
  background:var(--c-line);
}
body.page-sanmenxia .sm-adv li::after{
  content:"";
  position:absolute;
  left:0;
  top:-4px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--grad-main);
}
body.page-sanmenxia .sm-adv-no{
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--c-purple-200);
  margin-bottom:10px;
}
body.page-sanmenxia .sm-adv h3{font-size:17px;margin-bottom:8px}
body.page-sanmenxia .sm-adv p{font-size:13.5px;line-height:1.85}

/* ---------- FAQ 折叠面板 ---------- */
body.page-sanmenxia .sm-faq-wrap{max-width:860px}
body.page-sanmenxia .faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
}
body.page-sanmenxia .faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:18px 22px;
  font-weight:700;
  color:var(--c-ink);
  font-size:15px;
  position:relative;
  padding-right:44px;
}
body.page-sanmenxia .faq-item summary::-webkit-details-marker{display:none}
body.page-sanmenxia .faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  width:26px;
  height:26px;
  line-height:26px;
  text-align:center;
  border-radius:50%;
  background:var(--c-purple-100);
  color:var(--c-purple-400);
  font-weight:700;
  transition:transform .3s var(--ease);
}
body.page-sanmenxia .faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
body.page-sanmenxia .faq-item p{padding:0 22px 20px;font-size:14px;line-height:1.95}
body.page-sanmenxia .faq-item p a{color:var(--c-purple-400);border-bottom:1px dashed var(--c-purple-300)}

/* ---------- CTA 区 ---------- */
body.page-sanmenxia .sm-cta-sec{background:var(--grad-soft)}
body.page-sanmenxia .cta-box{text-align:center;padding:56px 30px}
body.page-sanmenxia .cta-box h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
body.page-sanmenxia .cta-box p{max-width:640px;margin:0 auto 8px}
body.page-sanmenxia .cta-note{margin-top:16px;font-size:13.5px;color:var(--c-muted)}

/* ---------- 响应式：1200 / 768 / 360 三档 ---------- */
@media (max-width:1200px){
  body.page-sanmenxia .sm-svc-grid{grid-template-columns:repeat(2,1fr)}
  body.page-sanmenxia .sm-adv{grid-template-columns:repeat(2,1fr);gap:30px 22px}
}
@media (max-width:768px){
  body.page-sanmenxia .sm-hero{padding:72px 0 70px}
  body.page-sanmenxia .sm-hero-in{grid-template-columns:1fr;gap:32px}
  body.page-sanmenxia .sm-feature{grid-template-columns:1fr;gap:28px}
}
@media (max-width:360px){
  body.page-sanmenxia .sm-svc-grid{grid-template-columns:1fr}
  body.page-sanmenxia .sm-adv{grid-template-columns:1fr}
  body.page-sanmenxia .sm-case{flex-basis:270px}
  body.page-sanmenxia .cta-box{padding:36px 16px}
}