/* ============================================================
   solution-jianzhu.html — 建筑行业解决方案页独有样式
   命名空间：body.page-solution-jianzhu
   签名布局：蓝图风（网格底纹 + 警示牌 + 分层蓝块 + 图纸编号模块）
   ============================================================ */

/* ---------- HERO：蓝图网格底纹 ---------- */
body.page-solution-jianzhu .bp-hero{
  background:
    linear-gradient(rgba(251,231,240,.55),rgba(239,232,252,.55)),
    repeating-linear-gradient(0deg, rgba(169,138,230,.16) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(169,138,230,.16) 0 1px, transparent 1px 44px),
    var(--grad-soft);
}
body.page-solution-jianzhu .bp-hero .hero-in{padding:10px 0 6px}
body.page-solution-jianzhu .bp-hero h1{max-width:820px}
body.page-solution-jianzhu .hero-note{margin-top:18px;font-size:13.5px;color:var(--c-muted)}
body.page-solution-jianzhu .hero-note a{color:var(--c-purple-400);font-weight:600}

/* ---------- 痛点警示牌 ---------- */
body.page-solution-jianzhu .warn-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
body.page-solution-jianzhu .warn-card{position:relative;background:#fff;border:1px solid var(--c-line);
  border-left:4px solid var(--c-pink-400);border-radius:var(--radius-md);padding:26px 26px 26px 30px;
  box-shadow:var(--shadow-card);transition:transform .35s var(--ease)}
body.page-solution-jianzhu .warn-card:hover{transform:translateX(6px)}
body.page-solution-jianzhu .warn-sign{position:absolute;top:20px;right:22px;width:34px;height:34px;border-radius:8px;
  background:var(--grad-main);color:#fff;font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center}
body.page-solution-jianzhu .warn-card h3{font-size:17px;margin-bottom:8px}
body.page-solution-jianzhu .warn-card p{font-size:14px;color:var(--c-text);line-height:1.9}

/* ---------- 方案分层蓝块 ---------- */
body.page-solution-jianzhu .bp-layers{display:flex;flex-direction:column;gap:18px;margin-top:40px}
body.page-solution-jianzhu .bp-layer{display:grid;grid-template-columns:180px 1fr;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card)}
body.page-solution-jianzhu .bp-tag{display:flex;align-items:center;justify-content:center;text-align:center;
  background:var(--grad-soft);border-right:1px dashed var(--c-purple-200);
  color:var(--c-purple-400);font-size:13px;font-weight:800;letter-spacing:.08em;padding:20px 14px}
body.page-solution-jianzhu .bp-layer-body{padding:22px 28px}
body.page-solution-jianzhu .bp-layer-body h3{font-size:17px;margin-bottom:8px}
body.page-solution-jianzhu .bp-layer-body p{font-size:14px;color:var(--c-text);line-height:1.9}

/* ---------- 核心模块图纸卡 ---------- */
body.page-solution-jianzhu .module-card{flex:0 0 280px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-md);padding:26px 24px;box-shadow:var(--shadow-card);
  border-top:3px solid var(--c-purple-300);transition:transform .35s var(--ease)}
body.page-solution-jianzhu .module-card:hover{transform:translateY(-6px)}
body.page-solution-jianzhu .module-code{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.1em;
  color:var(--c-pink-400);border:1px dashed var(--c-pink-300);border-radius:6px;padding:3px 10px;margin-bottom:14px}
body.page-solution-jianzhu .module-card h3{font-size:16px;margin-bottom:8px}
body.page-solution-jianzhu .module-card p{font-size:13.5px;color:var(--c-text);line-height:1.9}

/* ---------- 实施路径 ---------- */
body.page-solution-jianzhu .bp-road{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
  list-style:none;padding:0;margin-top:40px;counter-reset:road}
body.page-solution-jianzhu .bp-road li{position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-md);padding:24px 18px;box-shadow:var(--shadow-card)}
body.page-solution-jianzhu .bp-road li:not(:last-child)::after{content:"›";position:absolute;right:-14px;top:50%;
  transform:translateY(-50%);font-size:22px;color:var(--c-purple-300);z-index:2}
body.page-solution-jianzhu .road-no{display:inline-block;font-size:22px;font-weight:800;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}
body.page-solution-jianzhu .bp-road h3{font-size:15.5px;margin-bottom:8px}
body.page-solution-jianzhu .bp-road p{font-size:13px;color:var(--c-muted);line-height:1.8}
body.page-solution-jianzhu .bp-note{margin-top:30px;display:grid;grid-template-columns:1.2fr 1fr;gap:28px;
  align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-card)}
body.page-solution-jianzhu .bp-note img{border-radius:var(--radius-md);width:100%;height:auto;display:block}
body.page-solution-jianzhu .bp-note p{font-size:14.5px;color:var(--c-text);line-height:1.9}
body.page-solution-jianzhu .bp-note a{color:var(--c-purple-400);font-weight:700}

/* ---------- 价值收益 ---------- */
body.page-solution-jianzhu .gain-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px}
body.page-solution-jianzhu .gain-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:30px 22px;text-align:center;box-shadow:var(--shadow-card)}
body.page-solution-jianzhu .gain-num{display:block;font-size:34px;font-weight:800;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}
body.page-solution-jianzhu .gain-card h3{font-size:16px;margin-bottom:8px}
body.page-solution-jianzhu .gain-card p{font-size:13px;color:var(--c-muted);line-height:1.7}

/* ---------- 相关案例 ---------- */
body.page-solution-jianzhu .case-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
body.page-solution-jianzhu .case-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card);text-decoration:none;color:var(--c-ink);
  transition:transform .35s var(--ease),box-shadow .35s;display:block}
body.page-solution-jianzhu .case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-soft)}
body.page-solution-jianzhu .case-card img{width:100%;height:180px;object-fit:cover;display:block}
body.page-solution-jianzhu .case-card h3{font-size:16.5px;padding:18px 20px 6px}
body.page-solution-jianzhu .case-card p{font-size:13.5px;color:var(--c-muted);padding:0 20px 20px;line-height:1.8}

/* ---------- FAQ ---------- */
body.page-solution-jianzhu .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:36px}
body.page-solution-jianzhu .faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-md);padding:20px 24px}
body.page-solution-jianzhu .faq-item summary{cursor:pointer;font-weight:700;color:var(--c-ink);font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:12px}
body.page-solution-jianzhu .faq-item summary::-webkit-details-marker{display:none}
body.page-solution-jianzhu .faq-item summary::after{content:"+";font-size:20px;color:var(--c-purple-400);flex:0 0 auto}
body.page-solution-jianzhu .faq-item[open] summary::after{content:"−"}
body.page-solution-jianzhu .faq-item p{margin-top:12px;font-size:14px;color:var(--c-text);line-height:1.9}
body.page-solution-jianzhu .faq-item a{color:var(--c-purple-400);font-weight:600}

/* ---------- CTA 通栏 ---------- */
body.page-solution-jianzhu .cta-band{background:var(--grad-soft);border-top:1px solid var(--c-line);padding:70px 0}
body.page-solution-jianzhu .cta-in{text-align:center;max-width:760px;margin:0 auto}
body.page-solution-jianzhu .cta-in h2{margin-bottom:14px}
body.page-solution-jianzhu .cta-in>p{margin-bottom:24px;color:var(--c-text)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  body.page-solution-jianzhu .bp-road{grid-template-columns:repeat(3,1fr)}
  body.page-solution-jianzhu .bp-road li:nth-child(3)::after{display:none}
}
@media (max-width:768px){
  body.page-solution-jianzhu .warn-grid{grid-template-columns:1fr}
  body.page-solution-jianzhu .bp-layer{grid-template-columns:1fr}
  body.page-solution-jianzhu .bp-tag{border-right:none;border-bottom:1px dashed var(--c-purple-200);padding:12px}
  body.page-solution-jianzhu .bp-road{grid-template-columns:1fr 1fr}
  body.page-solution-jianzhu .bp-road li::after{display:none}
  body.page-solution-jianzhu .bp-note{grid-template-columns:1fr}
  body.page-solution-jianzhu .gain-row{grid-template-columns:1fr 1fr}
  body.page-solution-jianzhu .case-links{grid-template-columns:1fr}
  body.page-solution-jianzhu .faq-list{grid-template-columns:1fr}
}
@media (max-width:360px){
  body.page-solution-jianzhu .bp-road{grid-template-columns:1fr}
  body.page-solution-jianzhu .gain-row{grid-template-columns:1fr}
  body.page-solution-jianzhu .module-card{flex:0 0 240px;padding:22px}
}