/* ============================================================
   博瑞双杰官网 · 微信分享组件
   依赖 style.css 中的设计变量（--navy / --blue / --accent / --line）
   ============================================================ */

/* 微信抓取用的分享缩略图：不参与布局，不遮挡内容 */
.wx-share-thumb{
  position:absolute;left:-9999px;top:0;width:300px;height:300px;
  overflow:hidden;opacity:0;pointer-events:none;
}
.wx-share-thumb img{width:300px;height:300px;display:block}

/* ---------- 悬浮分享按钮 ---------- */
.share-fab{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;z-index:95;
  display:grid;place-items:center;border:0;cursor:pointer;
  background:var(--navy);color:#fff;transition:.3s var(--ease);
}
.share-fab:hover{background:var(--accent)}
.share-fab svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.share-fab-tip{
  position:absolute;right:56px;top:50%;transform:translateY(-50%) translateX(6px);
  background:var(--navy);color:#fff;font-size:12px;line-height:1;padding:8px 10px;
  white-space:nowrap;opacity:0;pointer-events:none;transition:.25s var(--ease);
}
.share-fab:hover .share-fab-tip{opacity:1;transform:translateY(-50%) translateX(0)}
.has-share .to-top{bottom:84px}

/* ---------- 产品卡片上的分享按钮 ---------- */
.pshare{
  margin-left:auto;flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  font-family:inherit;font-size:12px;line-height:1;letter-spacing:.02em;color:var(--blue);
  background:#fff;border:1px solid var(--line-d);padding:7px 11px;cursor:pointer;
  transition:.25s var(--ease);
}
.pshare svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pshare:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.pshare:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.cat-head .pshare{font-size:11.5px;padding:5px 9px}
.fs-actions .share-inline{background:transparent;cursor:pointer}
.fs-actions .share-inline svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* 页脚分享链接 */
.share-foot{
  background:none;border:0;padding:0;margin-left:auto;font-family:inherit;
  font-size:12.5px;color:rgba(255,255,255,.55);cursor:pointer;letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:6px;transition:.25s var(--ease);
}
.share-foot svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.share-foot:hover{color:var(--accent)}

/* ---------- 分享面板 ---------- */
.share-modal{position:fixed;inset:0;z-index:200;display:none}
.share-modal.is-open{display:block}
.share-mask{
  position:absolute;inset:0;background:rgba(7,27,46,.7);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;transition:opacity .28s var(--ease);
}
.share-modal.is-open .share-mask{opacity:1}

.share-panel{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-48%) scale(.985);
  width:min(468px,calc(100% - 32px));max-height:calc(100vh - 40px);overflow:auto;
  background:#fff;box-shadow:0 40px 80px -30px rgba(4,18,32,.7);
  opacity:0;transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.share-modal.is-open .share-panel{opacity:1;transform:translate(-50%,-50%) scale(1)}
.share-panel:focus{outline:none}

.share-x{
  position:absolute;right:14px;top:14px;width:30px;height:30px;z-index:2;
  display:grid;place-items:center;background:transparent;border:0;cursor:pointer;
  color:rgba(255,255,255,.72);font-size:18px;line-height:1;transition:.2s;
}
.share-x:hover{color:#fff;background:rgba(255,255,255,.12)}

.share-head{position:relative;background:var(--navy);color:#fff;padding:26px 28px 24px;overflow:hidden}
.share-head::before{content:"";position:absolute;left:28px;top:0;width:30px;height:3px;background:var(--accent)}
.share-head::after{
  content:"";position:absolute;right:-46px;top:-46px;width:132px;height:132px;
  border:1px solid rgba(255,255,255,.13);transform:rotate(45deg);
}
.share-kicker{display:block;font-size:10px;letter-spacing:.3em;color:#8FB6D4;font-weight:700;margin-top:6px}
.share-head h3{font-size:21px;letter-spacing:.03em;margin-top:9px;color:#fff}
.share-target{margin-top:8px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.66);max-width:330px}

.share-main{display:grid;grid-template-columns:186px 1fr;gap:24px;padding:26px 28px 8px;align-items:start}
.share-qr{text-align:center}
.share-qr-box{
  width:186px;height:186px;border:1px solid var(--line);background:#fff;padding:9px;
  display:grid;place-items:center;
}
.share-qr-box img,.share-qr-box canvas{display:block;width:100%;height:100%}
.share-qr p{margin-top:10px;font-size:11.5px;letter-spacing:.06em;color:var(--muted)}

.share-steps{list-style:none;counter-reset:s}
.share-steps li{
  counter-increment:s;position:relative;padding-left:30px;font-size:12.5px;line-height:1.75;
  color:var(--body);margin-bottom:12px;
}
.share-steps li:last-child{margin-bottom:0}
.share-steps li::before{
  content:counter(s,decimal-leading-zero);position:absolute;left:0;top:3px;
  font-family:"DIN Alternate","Bahnschrift",Arial,sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.02em;color:var(--blue);
}
.share-steps b{color:var(--ink);font-weight:600;white-space:nowrap}

.share-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.share-btn{
  font-family:inherit;font-size:12.5px;line-height:1;letter-spacing:.03em;cursor:pointer;
  padding:11px 14px;border:1px solid var(--line-d);background:#fff;color:var(--ink);
  display:inline-flex;align-items:center;gap:7px;transition:.22s var(--ease);
}
.share-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.share-btn:hover{border-color:var(--ink);background:#F4F7FA}
.share-btn--primary{background:var(--navy);border-color:var(--navy);color:#fff}
.share-btn--primary:hover{background:var(--accent);border-color:var(--accent)}
.share-btn[hidden]{display:none}

.share-note{
  margin:0 28px 24px;padding-top:14px;border-top:1px solid var(--line);
  font-size:11.5px;line-height:1.7;color:var(--muted);word-break:break-all;
}
.share-note span{color:#5B7086}

/* 微信内打开：隐藏扫码区，改为右上角引导 */
.share-wx{display:none;padding:26px 28px 6px;text-align:center}
.share-wx p{font-size:13.5px;line-height:1.9;color:var(--body);max-width:320px;margin:0 auto}
.share-wx b{color:var(--navy);font-weight:700}
.share-wx-arrow{
  display:block;font-size:38px;line-height:1;color:var(--accent);
  transform:rotate(8deg);margin-bottom:14px;
}
.share-modal.is-wx .share-main,.share-modal.is-wx .share-note{display:none}
.share-modal.is-wx .share-wx{display:block}

/* 复制提示 */
.share-toast{
  position:fixed;left:50%;bottom:104px;transform:translate(-50%,12px);z-index:210;
  background:rgba(10,37,64,.95);color:#fff;font-size:13px;line-height:1;padding:12px 18px;
  box-shadow:0 18px 36px -20px rgba(4,18,32,.8);opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease);white-space:nowrap;max-width:90vw;
  overflow:hidden;text-overflow:ellipsis;
}
.share-toast.is-on{opacity:1;transform:translate(-50%,0)}

body.share-lock{overflow:hidden}

/* ---------- 响应式 ---------- */
@media (max-width:640px){
  /* 目录卡片：只留图标，避免多占一行 */
  .cat-head .pshare{padding:7px;gap:0}
  .cat-head .pshare span{display:none}
  .cat-head .pshare svg{width:14px;height:14px}
  .cat-head{gap:6px}
  .prod-head .pshare{padding:7px}
  .prod-head .pshare span{display:none}
  .share-fab{right:16px;bottom:16px;width:44px;height:44px}
  .share-fab-tip{display:none}
  .has-share .to-top{bottom:72px;right:16px}
  .share-panel{width:calc(100% - 24px);max-height:calc(100vh - 32px)}
  .share-head{padding:22px 20px 20px}
  .share-head::before{left:20px}
  .share-head h3{font-size:19px}
  .share-main{grid-template-columns:1fr;gap:18px;padding:20px 20px 4px;justify-items:center}
  .share-qr-box{width:160px;height:160px}
  .share-steps{width:100%}
  .share-links{justify-content:center;width:100%}
  .share-note{margin:0 20px 20px}
  .share-wx{padding:22px 20px 4px}
  .share-toast{bottom:80px;font-size:12.5px}
}