/* RoboParts 统一 Shell — 顶部导航 + 底部页脚 + 面包屑 + 下一步 CTA
 * 由 _shell.js 在运行时注入。样式优先使用 CSS 变量以便与各页配色融合。
 * 冲突解决：所有选择器以 .rp-shell-* 前缀，避免与页内样式打架。
 */

/* ===== 顶部导航 ===== */
.rp-shell-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,16,32,0.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(60,80,120,0.35);
}
.rp-shell-header-inner{
  max-width:1200px;margin:0 auto;
  padding:10px 20px;
  display:flex;align-items:center;gap:20px;
  font-size:14px;
}
.rp-shell-logo{
  font-weight:800;font-size:17px;color:#fff;
  text-decoration:none;white-space:nowrap;
  display:flex;align-items:center;gap:6px;
}
.rp-shell-logo span{color:#37e0a6}
.rp-shell-nav{
  display:flex;gap:4px;flex-wrap:wrap;align-items:center;
  margin-left:8px;
}
.rp-shell-nav-item{
  color:#8a96b0;text-decoration:none;
  padding:6px 10px;border-radius:8px;
  font-size:13px;font-weight:500;
  transition:all .15s;
  white-space:nowrap;
}
.rp-shell-nav-item:hover{color:#e7ecf5;background:rgba(91,157,255,0.1)}
.rp-shell-nav-item.active{color:#37e0a6;background:rgba(55,224,166,0.12);font-weight:600}
.rp-shell-nav-divider{width:1px;height:14px;background:rgba(255,255,255,0.15);margin:0 4px}
.rp-shell-search{
  margin-left:auto;display:flex;align-items:center;gap:6px;
}
.rp-shell-search input{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(91,157,255,0.25);
  border-radius:8px;padding:6px 10px;
  color:#e7ecf5;font-size:13px;
  width:180px;outline:none;
  transition:all .15s;
}
.rp-shell-search input:focus{border-color:#5b9dff;background:rgba(255,255,255,0.1);width:220px}
.rp-shell-search button{
  background:linear-gradient(135deg,#37e0a6,#5b9dff);
  color:#04210f;border:0;border-radius:8px;
  padding:6px 12px;font-size:13px;font-weight:700;
  cursor:pointer;
}
.rp-shell-menu-toggle{
  display:none;background:transparent;border:1px solid rgba(91,157,255,0.3);
  border-radius:8px;padding:4px 10px;color:#e7ecf5;font-size:14px;
  cursor:pointer;margin-left:auto;
}

/* ===== 面包屑 ===== */
.rp-shell-breadcrumb{
  max-width:1200px;margin:0 auto;
  padding:10px 20px;
  font-size:12px;color:#8a96b0;
  display:flex;align-items:center;gap:6px;
  flex-wrap:wrap;
}
.rp-shell-breadcrumb a{color:#8a96b0;text-decoration:none}
.rp-shell-breadcrumb a:hover{color:#5b9dff}
.rp-shell-breadcrumb .sep{color:rgba(255,255,255,0.2)}
.rp-shell-breadcrumb .current{color:#e7ecf5;font-weight:500}

/* ===== 下一步 CTA ===== */
.rp-shell-next{
  max-width:1200px;margin:32px auto;padding:14px 20px;
  border:1px dashed rgba(91,157,255,0.35);
  border-radius:12px;
  background:rgba(91,157,255,0.04);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:14px;
}
.rp-shell-next-label{
  color:#8a96b0;font-size:12px;
  text-transform:uppercase;letter-spacing:.5px;
  font-weight:600;
}
.rp-shell-next-title{color:#e7ecf5;font-weight:600;flex:1;min-width:180px}
.rp-shell-next-btns{display:flex;gap:8px;flex-wrap:wrap}
.rp-shell-next-btn{
  background:linear-gradient(135deg,#37e0a6,#5b9dff);
  color:#04210f;border:0;border-radius:8px;
  padding:8px 16px;font-size:13px;font-weight:700;
  cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;gap:6px;
}
.rp-shell-next-btn.ghost{
  background:transparent;color:#37e0a6;
  border:1px solid #37e0a6;
}
.rp-shell-next-btn:hover{opacity:.88}

/* ===== 底部页脚 ===== */
.rp-shell-footer{
  margin-top:60px;
  background:#080c1a;
  border-top:1px solid rgba(60,80,120,0.4);
  padding:40px 20px 24px;
  color:#8a96b0;font-size:13px;
}
.rp-shell-footer-inner{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:32px;
}
.rp-shell-footer-col h4{
  color:#e7ecf5;font-size:14px;margin:0 0 12px;font-weight:700;
}
.rp-shell-footer-col ul{list-style:none;padding:0;margin:0}
.rp-shell-footer-col li{margin:6px 0}
.rp-shell-footer-col a{color:#8a96b0;text-decoration:none}
.rp-shell-footer-col a:hover{color:#5b9dff}
.rp-shell-footer-about{color:#8a96b0;line-height:1.7}
.rp-shell-footer-about .logo{font-weight:800;color:#fff;font-size:16px;margin-bottom:8px}
.rp-shell-footer-about .logo span{color:#37e0a6}
.rp-shell-footer-bottom{
  max-width:1200px;margin:32px auto 0;
  padding-top:20px;
  border-top:1px solid rgba(60,80,120,0.3);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:12px;
}
.rp-shell-footer-bottom a{color:#8a96b0;text-decoration:none}
.rp-shell-footer-bottom a:hover{color:#5b9dff}

/* ===== 移动端响应式 ===== */
@media (max-width: 900px){
  .rp-shell-nav{
    position:absolute;top:100%;left:0;right:0;
    background:rgba(11,16,32,0.98);
    border-bottom:1px solid rgba(60,80,120,0.35);
    flex-direction:column;align-items:stretch;
    padding:8px;gap:2px;
    display:none;
  }
  .rp-shell-nav.open{display:flex}
  .rp-shell-nav-item{padding:10px 12px}
  .rp-shell-nav-divider{display:none}
  .rp-shell-menu-toggle{display:inline-block}
  .rp-shell-search{display:none}
  .rp-shell-footer-inner{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width: 560px){
  .rp-shell-footer-inner{grid-template-columns:1fr}
  .rp-shell-next{flex-direction:column;align-items:flex-start}
  .rp-shell-next-title{font-size:15px}
}

/* 已有 header/nav 的页面：让 shell 顶部覆盖，避免视觉重叠 */
body.rp-has-legacy-header .rp-shell-header{border-bottom:0}

/* ===== 五步流水线进度指示器 ===== */
.rp-shell-pipeline{
  max-width:1200px;margin:0 auto;
  padding:8px 20px 4px;
  display:flex;align-items:center;gap:6px;
  font-size:12px;
}
.rp-shell-pipeline-steps{
  display:flex;align-items:center;gap:0;flex:1;
  overflow-x:auto;white-space:nowrap;
}
.rp-shell-pipeline-step{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  color:#8a96b0;font-size:11px;font-weight:600;
  cursor:pointer;text-decoration:none;
  transition:all .15s;
  border:1px solid transparent;
}
.rp-shell-pipeline-step:hover{color:#e7ecf5;background:rgba(91,157,255,0.08)}
.rp-shell-pipeline-step.done{color:#37e0a6}
.rp-shell-pipeline-step.done::before{content:'✓';margin-right:2px}
.rp-shell-pipeline-step.current{
  color:#04210f;
  background:linear-gradient(135deg,#37e0a6,#5b9dff);
  border-color:transparent;
}
.rp-shell-pipeline-connector{
  flex:0 0 12px;height:2px;
  background:linear-gradient(90deg,#37e0a6,#5b9dff);
  border-radius:1px;
  opacity:.4;
}
.rp-shell-pipeline-connector.done{opacity:1}
.rp-shell-pipeline-connector.next{opacity:.25}
.rp-shell-pipeline-progress{
  font-size:11px;color:#8a96b0;
  padding:4px 8px;
  background:rgba(91,157,255,0.08);
  border-radius:6px;
  white-space:nowrap;
}
.rp-shell-pipeline-progress b{color:#37e0a6}