/* ========== 内页专有样式（首页不引） ========== */

/* ---- 页头条 ---- */
.pagehead{ background:linear-gradient(180deg,var(--bg-tint),var(--bg-soft)); border-bottom:1px solid var(--line);
  padding:clamp(28px,4vw,52px) 0 clamp(24px,3.4vw,40px); }
.crumb{ font-size:13px; color:var(--muted); margin-bottom:14px; }
.crumb a{ color:var(--muted); } .crumb a:hover{ color:var(--green-deep); text-decoration:underline; }
.crumb span[aria-current]{ color:var(--ink); font-weight:700; }
.pagehead h1{ font-size:clamp(26px,3.6vw,42px); font-weight:800; color:var(--green-deep); letter-spacing:1px; }
.pagehead .en{ font-size:12.5px; letter-spacing:2.4px; color:var(--gold-deep); font-weight:700;
  text-transform:uppercase; margin-top:8px; }
.pagehead .lead{ max-width:62ch; margin-top:14px; color:var(--txt); }
.pagehead-in{ display:flex; gap:24px; align-items:flex-end; justify-content:space-between; flex-wrap:wrap; }

/* 页头条已经把内页开头隔开了，紧跟其后的 band 不需要再来一整段上留白 */
.pagehead + .band{ padding-top:clamp(22px,2.6vw,36px); }

/* ---- 命名规则解读条 ---- */
.band>.wrap>.naming:first-child{ margin-top:0; }
.naming{ background:var(--gold-tint); border:1px solid #EEDFB4; border-radius:var(--r-lg);
  padding:clamp(18px,2.4vw,26px); margin:clamp(24px,3vw,36px) 0; }
.naming h2{ font-size:16px; font-weight:800; color:var(--gold-deep); margin-bottom:4px; letter-spacing:.5px; }
.naming .sub{ font-size:13px; color:var(--muted); margin-bottom:16px; }
.code-split{ display:flex; flex-wrap:wrap; gap:8px; align-items:stretch; }
.cs{ border-radius:8px; padding:8px 12px; text-align:center; min-width:74px; background:#fff;
  border:1px solid #E7D6A8; }
.cs b{ display:block; font-size:17px; font-weight:800; letter-spacing:1px; font-variant-numeric:tabular-nums;
  color:var(--ink); }
.cs i{ display:block; font-style:normal; font-size:11.5px; color:var(--muted); margin-top:3px; }
.cs.k1{ background:var(--green-tint); border-color:#BFE0CC; } .cs.k1 b{ color:var(--green-deep); }
.cs.k2 b{ color:var(--gold-deep); }
.cs.sep{ border:0; background:none; min-width:0; padding:8px 0; display:flex; align-items:center;
  font-size:18px; color:var(--faint); }
.naming .keys{ margin-top:14px; font-size:12.5px; color:var(--txt); line-height:2; }
.naming .keys code{ background:#fff; border:1px solid #E7D6A8; border-radius:4px; padding:1px 6px;
  font-family:Consolas,Menlo,monospace; font-size:12px; color:var(--gold-deep); }

/* ---- 筛选器 ---- */
.filters{ position:sticky; top:var(--head-h); z-index:40; background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:14px 16px; margin-bottom:24px; box-shadow:var(--shadow-s); }
.frow{ display:flex; gap:10px; align-items:flex-start; padding:5px 0; flex-wrap:wrap; }
.frow>b{ flex:0 0 52px; font-size:12.5px; color:var(--muted); font-weight:700; padding-top:5px; }
.fset{ display:flex; gap:7px; flex-wrap:wrap; flex:1; }
.chip{ font:inherit; font-size:12.5px; line-height:1; padding:7px 12px; border-radius:999px; cursor:pointer;
  border:1px solid var(--line); background:#fff; color:var(--txt); transition:.18s; min-height:30px; }
.chip:hover{ border-color:var(--green-light); color:var(--green-deep); }
.chip[aria-pressed="true"]{ background:var(--green-deep); border-color:var(--green-deep); color:#fff; font-weight:700; }
.fbar{ display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
  border-top:1px dashed var(--line); margin-top:8px; padding-top:10px; font-size:13px; }
.fbar .cnt b{ color:var(--green-deep); font-size:16px; font-variant-numeric:tabular-nums; }
.fbar button{ font:inherit; font-size:12.5px; padding:6px 14px; border-radius:999px; cursor:pointer;
  border:1px solid var(--line); background:#fff; color:var(--muted); min-height:30px; }
.fbar button:hover{ border-color:var(--gold); color:var(--gold-deep); }

/* ---- 产品卡网格 ---- */
.cat-head{ display:flex; align-items:baseline; gap:12px; margin:clamp(26px,3.2vw,40px) 0 14px;
  padding-top:8px; scroll-margin-top:calc(var(--head-h) + 96px); }
.cat-head h2{ font-size:19px; font-weight:800; color:var(--green-deep); letter-spacing:.5px; }
.cat-head span{ font-size:12.5px; color:var(--muted); }
.pgrid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.pcard{ display:flex; flex-direction:column; border:1px solid var(--line); border-radius:var(--r-lg);
  background:#fff; overflow:hidden; transition:transform .22s, box-shadow .22s, border-color .22s; }
.pcard:hover,.pcard:focus-visible{ transform:translateY(-4px); box-shadow:var(--shadow-m); border-color:var(--green-light); }
.pcard .body{ padding:14px 15px 16px; display:flex; flex-direction:column; gap:7px; flex:1; }
.pcard .model{ font-size:15px; font-weight:800; color:var(--ink); letter-spacing:.6px;
  font-variant-numeric:tabular-nums; }
.pcard .pname{ font-size:13px; color:var(--txt); font-weight:600; }
.pcard .pitch{ font-size:12.5px; color:var(--muted); line-height:1.75; flex:1; }
.tags{ display:flex; gap:5px; flex-wrap:wrap; margin-top:2px; }
.tags span{ font-size:11px; padding:3px 8px; border-radius:4px; background:var(--bg-tint); color:var(--muted); }
.tags span.sp{ background:var(--gold-tint); color:var(--gold-deep); font-weight:700; }

/* ---- 取景框占位（无实拍图时；不用 img 标签，避免上线前留裂图） ---- */
.pcard .shot{ display:block; width:100%; height:auto; aspect-ratio:3/2;
  object-fit:contain; background:#fff; border-bottom:1px solid var(--line); }
.ph{ position:relative; aspect-ratio:3/2; background:var(--bg-soft); border-bottom:1px solid var(--line);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px; }
.ph::before,.ph::after{ content:""; position:absolute; width:15px; height:15px; border:2px solid var(--gold); }
.ph::before{ top:9px; left:9px; border-right:0; border-bottom:0; }
.ph::after{ bottom:9px; right:9px; border-left:0; border-top:0; }
.ph .ic{ width:38px; height:38px; opacity:.5; }
.ph em{ font-style:normal; font-size:10.5px; letter-spacing:.6px; color:var(--faint);
  border:1px solid var(--line); background:#fff; border-radius:999px; padding:2px 9px; }

/* ---- 空态 ---- */
.empty{ grid-column:1/-1; text-align:center; padding:56px 20px; color:var(--muted); }
.empty p{ margin-bottom:14px; }

/* ---- 全设备总清单表 ---- */
.tablewrap{ overflow-x:auto; border:1px solid var(--line); border-radius:var(--r-lg); background:#fff; }
table.all{ width:100%; border-collapse:collapse; font-size:13px; min-width:860px; }
table.all th{ background:var(--green-tint); color:var(--green-deep); font-weight:800; text-align:left;
  padding:11px 12px; white-space:nowrap; font-size:12.5px; letter-spacing:.4px; }
table.all td{ padding:10px 12px; border-top:1px solid var(--line); color:var(--txt); vertical-align:top; }
table.all tbody tr:nth-child(even){ background:var(--bg-soft); }
table.all td.m{ font-weight:700; color:var(--ink); font-variant-numeric:tabular-nums; white-space:nowrap; }
table.all td.n{ color:var(--faint); font-variant-numeric:tabular-nums; }
.tnote{ font-size:12px; color:var(--muted); line-height:1.9; margin-top:12px; }

/* ---- 智慧用电说明块 ---- */
.noteblock{ border-left:3px solid var(--gold); background:var(--bg-soft); border-radius:0 var(--r) var(--r) 0;
  padding:18px 20px; margin-top:clamp(26px,3vw,38px); }
.noteblock h2{ font-size:16px; font-weight:800; color:var(--ink); margin-bottom:8px; }
.noteblock p{ font-size:13.5px; color:var(--txt); }

@media (max-width:1199px){ .pgrid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:991px){
  .pgrid{ grid-template-columns:repeat(2,1fr); }
  .filters{ position:static; }
}
@media (max-width:479px){
  .pgrid{ grid-template-columns:1fr; }
  .frow>b{ flex-basis:100%; }
  /* 表格转卡片式：靠 td 的 data-label 显示字段名 */
  table.all{ min-width:0; }
  table.all thead{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }
  table.all tr{ display:block; border-top:1px solid var(--line); padding:10px 12px; }
  table.all td{ display:flex; gap:10px; border:0; padding:3px 0; font-size:12.5px; }
  table.all td::before{ content:attr(data-label); flex:0 0 62px; color:var(--muted); font-weight:700; }
}

/* ---- 总清单表可折叠（移动端整页太长，默认收起） ---- */
.alltable{ margin-top:clamp(26px,3vw,38px); }
.alltable>summary{ cursor:pointer; list-style:none; display:flex; align-items:baseline; gap:12px;
  padding:12px 14px; border:1px solid var(--line); border-radius:var(--r-lg); background:var(--bg-soft);
  margin-bottom:14px; }
.alltable>summary::-webkit-details-marker{ display:none; }
.alltable>summary::after{ content:"▾"; margin-left:auto; color:var(--muted); transition:transform .2s; }
.alltable[open]>summary::after{ transform:rotate(180deg); }
.alltable>summary:hover{ border-color:var(--green-light); }
.alltable>summary h2{ font-size:17px; font-weight:800; color:var(--green-deep); display:inline; }
.alltable>summary span{ font-size:12.5px; color:var(--muted); }

/* ========== 产品详情页 ========== */
.pd-top{ padding-top:clamp(20px,2.4vw,34px); }
.pdetail{ display:grid; grid-template-columns:minmax(0,5fr) minmax(0,6fr); gap:clamp(24px,3.4vw,48px);
  align-items:start; }
.pd-media{ border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden; background:#fff; }
.pd-media .shot{ display:block; width:100%; height:auto; aspect-ratio:3/2; object-fit:contain; }
.pd-media .ph{ border-bottom:0; }
.pd-model{ font-size:13px; font-weight:800; letter-spacing:1.4px; color:var(--gold-deep);
  font-variant-numeric:tabular-nums; }
.pd-info h1{ font-size:clamp(23px,2.9vw,34px); font-weight:800; color:var(--green-deep);
  margin:6px 0 0; letter-spacing:.5px; }
.pd-info .en{ font-size:12px; letter-spacing:1.6px; color:var(--faint); margin-top:6px; }
.pd-pitch{ margin-top:16px; font-size:15px; line-height:1.9; color:var(--txt);
  border-left:3px solid var(--gold); padding-left:14px; }
.specgrid{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; margin-top:22px; }
.sq{ border:1px solid var(--line); border-radius:var(--r); padding:11px 13px; background:var(--bg-soft); }
.sq i{ display:block; font-style:normal; font-size:11.5px; color:var(--muted); margin-bottom:3px; }
.sq b{ display:block; font-size:13.5px; color:var(--ink); font-weight:700; line-height:1.6; }
.pd-cta{ display:flex; gap:12px; flex-wrap:wrap; margin-top:24px; }

.sec-t{ font-size:clamp(18px,2vw,24px); font-weight:800; color:var(--green-deep);
  letter-spacing:.6px; margin-bottom:18px; }
.feats{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px 26px; }
.feats li{ position:relative; padding-left:18px; font-size:13.5px; line-height:1.85; color:var(--txt); }
.feats li::before{ content:""; position:absolute; left:0; top:.72em; width:7px; height:7px;
  background:var(--green); transform:rotate(45deg); }

table.spec{ width:100%; border-collapse:collapse; font-size:13.5px; }
table.spec th{ width:34%; text-align:left; font-weight:700; color:var(--ink); background:var(--gold-tint);
  padding:10px 14px; border-top:1px solid var(--line); vertical-align:top; }
table.spec td{ padding:10px 14px; border-top:1px solid var(--line); color:var(--txt); }
table.spec tbody tr:nth-child(even) td{ background:var(--bg-soft); }

.places{ display:flex; flex-wrap:wrap; gap:9px; }
.places span{ font-size:13px; padding:7px 14px; border-radius:999px; background:#fff;
  border:1px solid var(--line); color:var(--txt); }
.pgrid.rel{ grid-template-columns:repeat(4,1fr); }
.pgrid.rel .pcard .body{ padding:12px 13px 14px; }

@media (max-width:991px){
  .pdetail{ grid-template-columns:1fr; }
  .pgrid.rel{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:479px){
  .feats{ grid-template-columns:1fr; }
  .specgrid{ grid-template-columns:1fr; }
  .pgrid.rel{ grid-template-columns:1fr; }
  table.spec th{ width:40%; }
}

/* ---- 典型组网与选型（漏液家族） ---- */
.nets{ display:grid; gap:10px; }
.net{ display:flex; gap:14px; align-items:baseline; background:#fff; border:1px solid var(--line);
  border-radius:var(--r); padding:13px 16px; }
.net b{ flex:0 0 72px; font-size:13px; font-weight:800; color:var(--green-deep); }
.net span{ font-size:13px; color:var(--txt); line-height:1.8; }
.sub-t{ font-size:15px; font-weight:800; color:var(--ink); margin:22px 0 10px; }
.guide{ display:flex; flex-wrap:wrap; gap:8px; }
.guide li{ font-size:12.5px; padding:7px 13px; border-radius:999px; background:var(--gold-tint);
  border:1px solid #EEDFB4; color:var(--gold-deep); }
@media (max-width:479px){ .net{ flex-direction:column; gap:4px; } .net b{ flex:none; } }

/* ========== 内页 4~8 组件 ========== */
.anchors{ padding:14px 0 !important; position:sticky; top:var(--head-h); z-index:40;
  background:rgba(245,247,249,.95); backdrop-filter:blur(8px); border-bottom:1px solid var(--line); }
.caps{ display:flex; gap:10px; flex-wrap:wrap; }
.cap{ font-size:13px; padding:7px 16px; border-radius:999px; background:#fff;
  border:1px solid var(--line); color:var(--txt); font-weight:600; }
.cap:hover{ border-color:var(--green-deep); color:var(--green-deep); }

.line-head{ display:flex; align-items:center; gap:14px; margin-bottom:14px;
  scroll-margin-top:calc(var(--head-h) + 70px); }
.line-head h2{ font-size:clamp(20px,2.3vw,28px); font-weight:800; color:var(--green-deep); }
.risk{ font-size:15px; line-height:2; color:var(--txt); max-width:76ch;
  border-left:3px solid var(--gold); padding-left:16px; }
.plat-line{ margin-top:20px; font-size:13.5px; color:var(--txt);
  display:flex; align-items:center; gap:14px; flex-wrap:wrap; }

.qas{ display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.qa{ background:#fff; border:1px solid var(--line); border-radius:var(--r-lg); padding:16px 18px; }
.qa b{ display:block; font-size:14.5px; color:var(--green-deep); margin-bottom:7px; }
.qa span{ font-size:13px; color:var(--txt); line-height:1.9; }

.menus{ display:flex; flex-wrap:wrap; gap:8px; }
.menus span{ font-size:12.5px; padding:7px 14px; border-radius:6px; background:var(--green-tint);
  color:var(--green-deep); font-weight:600; }

/* 界面示意图占位 —— 🔴 一律线框 + 角标，禁止做高保真假截图 */
.ui-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:20px; }
.ui-grid.phones{ grid-template-columns:repeat(6,1fr); }
.ui-ph{ position:relative; aspect-ratio:16/9; background:var(--bg-soft);
  border:1px dashed var(--faint); border-radius:var(--r); display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:9px; }
.ui-ph.phone{ aspect-ratio:9/19.5; border-radius:14px; }
.ui-tag{ position:absolute; top:8px; right:8px; font-size:10.5px; padding:3px 9px; border-radius:999px;
  background:var(--gold); color:#3A2A05; font-weight:700; }
.ui-ph .ic{ width:34px; height:34px; opacity:.45; }
.ui-ph em{ font-style:normal; font-size:11.5px; color:var(--muted); text-align:center; padding:0 8px; }

.flow{ display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.fl{ font-size:12.5px; padding:8px 14px; border-radius:999px; background:#fff;
  border:1px solid var(--line); color:var(--txt); position:relative; }
.fl:not(:last-child)::after{ content:"→"; margin-left:10px; color:var(--faint); }

.intro-grid{ display:grid; grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:clamp(24px,3.4vw,48px); align-items:start; }
.intro-txt p{ font-size:14.5px; line-height:2.05; color:var(--txt); margin-bottom:14px; }
.intro-grid .ph{ border:1px solid var(--line); border-radius:var(--r-lg); }

.bizgrid{ display:grid; grid-template-columns:repeat(5,1fr); gap:14px; }
.bizcard{ display:block; background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:16px; transition:transform .2s, border-color .2s; }
.bizcard:hover{ transform:translateY(-3px); border-color:var(--green-light); }
.bizcard b{ display:block; font-size:14.5px; color:var(--green-deep); margin-bottom:6px; }
.bizcard span{ font-size:12.5px; color:var(--muted); line-height:1.8; }

.svcgrid{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.svc-x{ background:#fff; border:1px solid var(--line); border-radius:var(--r-lg); padding:20px; }
.svc-x h3{ font-size:16px; font-weight:800; color:var(--green-deep); margin:10px 0 12px; }
.svc-x p{ font-size:13px; color:var(--txt); line-height:1.9; margin-bottom:8px; }
.svc-x p b{ display:block; font-size:11.5px; color:var(--gold-deep); letter-spacing:.6px; }

.faqs{ display:grid; gap:10px; }
.faq{ background:#fff; border:1px solid var(--line); border-radius:var(--r-lg); }
.faq>summary{ cursor:pointer; list-style:none; padding:15px 18px; font-size:14px; font-weight:700;
  color:var(--ink); display:flex; align-items:center; gap:12px; }
.faq>summary::-webkit-details-marker{ display:none; }
.faq>summary::after{ content:"+"; margin-left:auto; color:var(--faint); font-size:18px; }
.faq[open]>summary::after{ content:"−"; }
.faq>summary:hover{ color:var(--green-deep); }
.faq p{ padding:0 18px 16px; font-size:13.5px; color:var(--txt); line-height:1.95; }

.cgrid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:16px;
  max-width:900px; }  /* 卡片数随「有没有值」变化，用 auto-fit 兜住 1~3 张都好看 */
.ccard{ background:#fff; border:1px solid var(--line); border-radius:var(--r-lg); padding:20px; }
.ccard h3{ font-size:15.5px; font-weight:800; color:var(--green-deep); margin:10px 0 12px; }
.ccard li{ display:flex; gap:10px; font-size:13px; margin-bottom:8px; }
.ccard li i{ font-style:normal; flex:0 0 56px; color:var(--muted); }
.ccard .tbd{ color:var(--gold-deep); }
.subject{ margin-top:20px; font-size:13.5px; color:var(--txt); line-height:2; }
.subject .en{ font-size:11.5px; letter-spacing:.6px; color:var(--faint); }
.subject .tbd{ color:var(--gold-deep); }
.quick{ display:flex; gap:12px; flex-wrap:wrap; }

.prose h2{ font-size:17px; font-weight:800; color:var(--green-deep); margin:26px 0 10px; }
.prose h2:first-child{ margin-top:0; }
.prose p{ font-size:14px; line-height:2.05; color:var(--txt); margin-bottom:10px; max-width:80ch; }

.nf{ text-align:center; padding:clamp(60px,10vw,120px) 0 !important; }
.nf-ic{ width:64px; height:64px; opacity:.35; margin:0 auto 18px; }
.nf h1{ font-size:clamp(24px,3.2vw,38px); font-weight:800; color:var(--green-deep); margin-bottom:12px; }
.nf .en{ font-size:12px; letter-spacing:2.4px; color:var(--gold-deep); font-weight:700; margin-bottom:10px; }
.nf .lead{ font-size:14.5px; color:var(--muted); margin-bottom:26px; }
.nf .quick{ justify-content:center; }

@media (max-width:1199px){ .bizgrid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:991px){
  .qas,.svcgrid,.cgrid,.ui-grid{ grid-template-columns:1fr; }
  .ui-grid.phones{ grid-template-columns:repeat(3,1fr); }
  .intro-grid{ grid-template-columns:1fr; }
  .anchors{ position:static; }
}
@media (max-width:479px){
  .bizgrid{ grid-template-columns:1fr; }
  .ui-grid.phones{ grid-template-columns:repeat(2,1fr); }
  .fl:not(:last-child)::after{ display:none; }
}

/* ---- 真正缺失的两个工具类 ---- */
/* 🔴 sr-only 之前【没有定义】，而 16 个页面在用它藏标题 —— 等于那些标题是显示出来的 */
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
  clip:rect(0 0 0 0); white-space:nowrap; border:0; }
.layer.key{ border-color:var(--gold); background:var(--gold-tint); }
.layer.key .lb{ background:var(--gold); color:#3A2A05; }

/* 图注：实物丝印与订货型号不一致时必须写明，否则客户以为发错货 */
.shot-cap{ font-size:11.5px; color:var(--muted); text-align:center; padding:8px 10px;
  border-top:1px dashed var(--line); background:var(--bg-soft); }