/* ============================================================
   产品中心页样式 products.css
   ============================================================ */

/* ===== 主布局 ===== */
.pc-wrap{display:flex;gap:32px;align-items:flex-start}
.pc-sidebar{width:260px;flex-shrink:0;background:#fff;border:1px solid var(--line,#E5EAEF);border-radius:12px;overflow:hidden;position:sticky;top:96px}
.pc-sidebar-title{padding:20px 24px;font-size:15px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--aqua-2,#1FA3BA) 0%,var(--aqua,#0B7C93) 100%)}
.pc-cat{border-bottom:1px solid var(--line,#EDF0F3)}
.pc-cat:last-child{border-bottom:none}
.pc-cat-head{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;cursor:pointer;user-select:none;transition:background .15s}
.pc-cat-head:hover{background:var(--soft,#F5F8FA)}
.pc-cat-name{font-size:14.5px;font-weight:600;color:var(--ink,#1A2B33)}
.pc-cat-arrow{width:16px;height:16px;transition:transform .2s;color:var(--muted,#6B7F87)}
.pc-cat.open .pc-cat-arrow{transform:rotate(90deg)}
.pc-cat-body{display:none;padding:0 24px 12px}
.pc-cat.open .pc-cat-body{display:block}
.pc-cat-body a{display:block;padding:8px 0 8px 16px;font-size:13.5px;color:var(--muted,#5C7280);text-decoration:none;border-left:2px solid transparent;transition:all .15s}
.pc-cat-body a:hover{color:var(--aqua,#0B7C93);border-left-color:var(--aqua,#0B7C93);padding-left:20px}

/* ===== 侧边栏联系信息 ===== */
.pc-contact{padding:20px 24px;background:var(--soft,#F5F8FA);border-top:1px solid var(--line,#EDF0F3)}
.pc-contact h4{font-size:14px;font-weight:600;color:var(--ink,#1A2B33);margin-bottom:12px}
.pc-contact-item{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted,#5C7280);margin-bottom:6px}
.pc-contact-item svg{width:14px;height:14px;color:var(--aqua,#0B7C93);flex-shrink:0}
.pc-contact-item a{color:inherit;text-decoration:none}
.pc-contact-item a:hover{color:var(--aqua,#0B7C93)}

/* ===== 右侧主内容 ===== */
.pc-main{flex:1;min-width:0}
.pc-section{margin-bottom:48px}
.pc-section-title{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.pc-section-title h2{font-size:20px;font-weight:700;color:var(--ink,#1A2B33);margin:0}
.pc-section-title .pc-line{flex:1;height:1px;background:linear-gradient(90deg,var(--aqua,#0B7C93) 0%,transparent 100%);opacity:.3}
.pc-section-title .pc-count{font-size:13px;color:var(--muted,#6B7F87);font-weight:400}

/* ===== 产品卡片网格 ===== */
.pc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pc-card{background:#fff;border:1px solid var(--line,#E5EAEF);border-radius:12px;overflow:hidden;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
.pc-card:hover{border-color:var(--aqua,#0B7C93);box-shadow:0 8px 32px rgba(11,124,147,.12);transform:translateY(-2px)}

/* 卡片图片区 */
.pc-card-img{height:180px;background:linear-gradient(135deg,var(--soft,#F5F8FA) 0%,#fff 100%);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.pc-card-photo{max-width:85%;max-height:85%;object-fit:contain;filter:drop-shadow(0 4px 12px rgba(11,124,147,.08))}
.pc-card-badge{position:absolute;top:12px;right:12px;background:var(--aqua,#0B7C93);color:#fff;font-size:11px;font-weight:600;padding:3px 10px;border-radius:12px;z-index:1}

/* 卡片正文 */
.pc-card-body{padding:16px 18px;flex:1;display:flex;flex-direction:column}
.pc-card-title{font-size:15.5px;font-weight:600;color:var(--ink,#1A2B33);margin:0 0 6px;line-height:1.4}
.pc-card-desc{font-size:12.5px;color:var(--muted,#6B7F87);margin:0 0 12px;line-height:1.5;flex:1}
.pc-card-actions{display:flex;gap:8px;margin-top:auto}
.pc-card-actions .btn{flex:1;font-size:12.5px;padding:8px 12px;text-align:center;border-radius:6px;text-decoration:none;font-weight:500;transition:all .15s;cursor:pointer;border:1px solid transparent}
.pc-card-actions .btn-primary{background:var(--aqua,#0B7C93);color:#fff;border-color:var(--aqua,#0B7C93)}
.pc-card-actions .btn-primary:hover{background:var(--aqua-ink,#095E6E)}
.pc-card-actions .btn-outline{background:#fff;color:var(--aqua,#0B7C93);border-color:var(--aqua,#0B7C93)}
.pc-card-actions .btn-outline:hover{background:var(--aqua,#0B7C93);color:#fff}

/* ===== 传感器分区（底部紧凑卡片） ===== */
.pc-sensors{margin-top:48px}
.pc-sensors-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.pc-sensors-head h2{font-size:20px;font-weight:700;color:var(--ink,#1A2B33);margin:0}
.pc-sensors-head .pc-line{flex:1;height:1px;background:linear-gradient(90deg,var(--gold,#C9A45C) 0%,transparent 100%);opacity:.3}
.pc-sensors-head .pc-count{font-size:13px;color:var(--muted,#6B7F87);font-weight:400}
.pc-sensors-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pc-sensor-card{background:#fff;border:1px solid var(--line,#E5EAEF);border-radius:10px;padding:12px;transition:all .2s;display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;overflow:hidden}
.pc-sensor-card:hover{border-color:var(--aqua,#0B7C93);box-shadow:0 4px 16px rgba(11,124,147,.1)}
.pc-sensor-photo{width:100%;height:80px;object-fit:contain;background:var(--soft,#F5F8FA);border-radius:6px}
.pc-sensor-info{min-width:0}
.pc-sensor-info h4{font-size:13px;font-weight:600;color:var(--ink,#1A2B33);margin:0 0 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pc-sensor-info p{font-size:11.5px;color:var(--muted,#6B7F87);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ===== 拨号弹窗 ===== */
.pc-call-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(10,28,36,.55);backdrop-filter:blur(4px);z-index:9999;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .2s}
.pc-call-modal.show{display:flex;opacity:1}
.pc-call-box{background:#fff;border-radius:16px;padding:32px 40px;text-align:center;max-width:340px;width:90%;box-shadow:0 24px 64px rgba(0,0,0,.18);transform:translateY(20px);transition:transform .25s}
.pc-call-modal.show .pc-call-box{transform:translateY(0)}
.pc-call-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--aqua-2,#1FA3BA) 0%,var(--aqua,#0B7C93) 100%);display:flex;align-items:center;justify-content:center}
.pc-call-icon svg{width:30px;height:30px;color:#fff}
.pc-call-title{font-size:17px;font-weight:700;color:var(--ink,#1A2B33);margin:0 0 8px}
.pc-call-phone{font-size:28px;font-weight:700;color:var(--aqua,#0B7C93);margin:0 0 20px;font-family:var(--mono,'IBM Plex Mono',monospace);letter-spacing:.02em}
.pc-call-actions{display:flex;gap:10px;justify-content:center}
.pc-call-actions .btn{padding:10px 20px;border-radius:8px;font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:all .15s}
.pc-call-actions .btn-call{background:var(--aqua,#0B7C93);color:#fff;border-color:var(--aqua,#0B7C93)}
.pc-call-actions .btn-call:hover{background:var(--aqua-ink,#095E6E)}
.pc-call-actions .btn-close{background:#fff;color:var(--muted,#5C7280);border-color:var(--line,#E5EAEF)}
.pc-call-actions .btn-close:hover{background:var(--soft,#F5F8FA)}

/* ===== 响应式 ===== */
@media(max-width:1100px){
  .pc-grid{grid-template-columns:repeat(2,1fr)}
  .pc-sensors-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:800px){
  .pc-wrap{flex-direction:column}
  .pc-sidebar{width:100%;position:static}
  .pc-grid{grid-template-columns:1fr}
  .pc-sensors-grid{grid-template-columns:repeat(2,1fr)}
  .pc-card-img{height:160px}
}