/* ============================================================
   商品详情页 · 卡片网格版式  product-v2.css
   ------------------------------------------------------------
   作用域：仅 product.php（详情页），前缀 pd- 避免与全站类名冲突。
   设计语言：沿用首页浅色科技风（白底 + 深色文字 + 蓝青渐变强调）。
   与原版 shop.css 的 detail-* 行式版式完全不同：
     · 原版：左图右信息的 hero + 下方长文 article + 侧栏
     · 新版：顶部沉浸式横幅 + 信息卡片网格 + 分栏卡片矩阵 + 悬浮下单卡
   ============================================================ */

/* ---------- 基础与变量 ---------- */
.pd-body{
  --pd-ink:#0F172A;          /* 主文字 */
  --pd-ink-2:#475569;        /* 次级文字 */
  --pd-ink-3:#94A3B8;        /* 弱化文字 */
  --pd-line:#E2E8F0;         /* 分割线 */
  --pd-line-2:#EEF2F7;       /* 浅分割线 */
  --pd-bg:#FFFFFF;
  --pd-bg-soft:#F8FAFC;
  --pd-bg-tint:#F1F5F9;
  --pd-blue:#0EA5E9;         /* 主强调 */
  --pd-blue-d:#0284C7;
  --pd-cyan:#06B6D4;
  --pd-indigo:#4F46E5;
  --pd-amber:#F59E0B;
  --pd-green:#10B981;
  --pd-radius:16px;
  --pd-radius-s:12px;
  --pd-shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px -12px rgba(15,23,42,.12);
  --pd-shadow-h:0 2px 4px rgba(15,23,42,.05),0 18px 40px -16px rgba(14,165,233,.28);
  margin:0;background:var(--pd-bg);color:var(--pd-ink);
  font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.pd-body *{box-sizing:border-box}
.pd-body ::selection{background:var(--pd-blue);color:#fff}
.pd-wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
.pd-body a{text-decoration:none;color:inherit}
.pd-body img{max-width:100%;display:block}

/* ---------- 顶部须知条 ---------- */
.pd-notice{background:linear-gradient(90deg,#0F172A,#1E293B);color:#E2E8F0;font-size:12.5px}
.pd-notice-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 0}
.pd-notice b{color:#fff}
.pd-notice .pd-notice-tag{
  display:inline-flex;align-items:center;gap:6px;color:#7DD3FC;
}
.pd-notice .pd-notice-tag:before{
  content:"";width:6px;height:6px;border-radius:50%;background:#38BDF8;
  box-shadow:0 0 0 3px rgba(56,189,248,.22);
}

/* ---------- 头部导航 ---------- */
.pd-head{
  position:sticky;top:0;z-index:40;background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--pd-line-2);
}
.pd-head-in{display:flex;align-items:center;gap:26px;padding:12px 0}
.pd-logo img{height:38px;width:auto}
.pd-nav{display:flex;gap:22px;font-size:13.5px;color:var(--pd-ink-2)}
.pd-nav a{position:relative;padding:4px 0;transition:color .16s}
.pd-nav a:hover{color:var(--pd-ink)}
.pd-nav a:after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--pd-blue),var(--pd-cyan));transition:right .22s;
}
.pd-nav a:hover:after{right:0}
.pd-head-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.pd-btn-chat{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border:1px solid var(--pd-line);background:#fff;color:var(--pd-ink);
  font-size:13.5px;font-weight:600;border-radius:999px;cursor:pointer;
  transition:border-color .16s,box-shadow .16s,transform .16s;
}
.pd-btn-chat:hover{border-color:var(--pd-blue);box-shadow:0 6px 18px -8px rgba(14,165,233,.5);transform:translateY(-1px)}
.pd-btn-chat svg{width:17px;height:17px;color:var(--pd-blue)}

/* ---------- 面包屑 ---------- */
.pd-crumb{padding:20px 0 4px;font-size:12.5px;color:var(--pd-ink-3)}
.pd-crumb a{transition:color .16s}
.pd-crumb a:hover{color:var(--pd-blue)}
.pd-crumb i{font-style:normal;margin:0 7px;color:#CBD5E1}

/* ---------- 沉浸式顶部横幅 ---------- */
.pd-banner{
  position:relative;margin-top:12px;border-radius:var(--pd-radius);
  overflow:hidden;background:linear-gradient(135deg,#0F172A 0%,#1E3A5F 52%,#0E7490 100%);
  color:#fff;padding:46px 44px;
}
.pd-banner:before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:46px 46px;
}
.pd-banner:after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.35),transparent 66%);
}
.pd-banner-in{position:relative;z-index:2;display:grid;grid-template-columns:1.55fr .85fr;gap:40px;align-items:center}
.pd-banner-code{
  display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.14em;
  color:#7DD3FC;margin-bottom:18px;font-weight:600;
}
.pd-banner-code em{
  font-style:normal;padding:3px 9px;border-radius:6px;background:rgba(125,211,252,.13);
  border:1px solid rgba(125,211,252,.28);letter-spacing:.06em;
}
.pd-banner h1{font-size:38px;line-height:1.2;margin:0 0 14px;font-weight:800;letter-spacing:-.01em}
.pd-banner .pd-tagline{
  font-size:15px;color:#BAE6FD;margin:0 0 20px;line-height:1.7;
  padding-left:14px;border-left:2px solid rgba(125,211,252,.5);
}
.pd-banner-summary{font-size:14px;line-height:1.9;color:#CBD5E1;margin:0 0 24px}
.pd-banner-badges{display:flex;flex-wrap:wrap;gap:9px}
.pd-banner-badges span{
  font-size:12px;padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  color:#E0F2FE;backdrop-filter:blur(4px);
}

/* 横幅右侧：价格卡 */
.pd-price-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--pd-radius);padding:26px 24px;backdrop-filter:blur(10px);
}
.pd-price-label{font-size:12px;color:#94A3B8;letter-spacing:.1em;margin-bottom:10px}
.pd-price-num{display:flex;align-items:baseline;gap:4px;margin-bottom:6px}
.pd-price-num small{font-size:20px;font-weight:600;color:#7DD3FC}
.pd-price-num b{font-size:52px;font-weight:800;letter-spacing:-.03em;line-height:1;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8 60%,#22D3EE);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pd-price-note{font-size:12px;color:#94A3B8;line-height:1.7;margin-bottom:20px}
.pd-price-facts{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;display:grid;gap:11px}
.pd-price-fact{display:flex;align-items:center;justify-content:space-between;font-size:12.5px}
.pd-price-fact span{color:#94A3B8}
.pd-price-fact b{color:#E2E8F0;font-weight:600}
.pd-price-cta{
  display:flex;align-items:center;justify-content:center;gap:9px;width:100%;
  margin-top:20px;height:48px;border:0;border-radius:11px;cursor:pointer;
  background:linear-gradient(135deg,var(--pd-blue),var(--pd-cyan));
  color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:0 12px 26px -12px rgba(14,165,233,.8);
  transition:transform .16s,box-shadow .16s;
}
.pd-price-cta:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(14,165,233,.9)}
.pd-price-cta svg{width:17px;height:17px}

/* ---------- 索引带（快速跳转） ---------- */
.pd-index{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0 0;
}
.pd-index a{
  display:flex;align-items:center;gap:11px;padding:15px 17px;
  background:var(--pd-bg-soft);border:1px solid var(--pd-line-2);
  border-radius:var(--pd-radius-s);font-size:13.5px;font-weight:600;
  transition:border-color .16s,background .16s,transform .16s;
}
.pd-index a:hover{border-color:#BAE6FD;background:#F0F9FF;transform:translateY(-2px)}
.pd-index a i{
  display:grid;place-items:center;width:28px;height:28px;flex:0 0 auto;
  border-radius:8px;background:#fff;border:1px solid var(--pd-line);
  color:var(--pd-blue);font-style:normal;font-size:12px;font-weight:700;
}

/* ---------- 通用区块 ---------- */
.pd-sec{padding:52px 0 0}
.pd-sec-head{margin-bottom:26px}
.pd-kicker{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.16em;
  color:var(--pd-blue);margin-bottom:11px;
}
.pd-sec-head h2{font-size:25px;margin:0 0 9px;font-weight:800;letter-spacing:-.01em}
.pd-sec-head p{margin:0;font-size:14px;color:var(--pd-ink-2);line-height:1.8;max-width:760px}

/* ---------- 卡片网格：哪些情况适合（2 列） ---------- */
.pd-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pd-card{
  position:relative;background:#fff;border:1px solid var(--pd-line-2);
  border-radius:var(--pd-radius-s);padding:20px 20px 20px 54px;
  font-size:14px;line-height:1.75;color:var(--pd-ink-2);
  transition:border-color .18s,box-shadow .18s,transform .18s;
}
.pd-card:hover{border-color:#BAE6FD;box-shadow:var(--pd-shadow);transform:translateY(-2px)}
.pd-card:before{
  content:"";position:absolute;left:20px;top:22px;width:20px;height:20px;
  border-radius:6px;background:#E0F2FE;
}
.pd-card:after{
  content:"";position:absolute;left:26px;top:28px;width:8px;height:4.5px;
  border-left:2px solid var(--pd-blue);border-bottom:2px solid var(--pd-blue);
  transform:rotate(-45deg);
}
.pd-card b{color:var(--pd-ink);font-weight:600}

/* 交付内容卡（带编号） */
.pd-grid-3{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pd-deliver{
  position:relative;background:linear-gradient(180deg,#FAFCFF,#fff);
  border:1px solid var(--pd-line-2);border-radius:var(--pd-radius-s);
  padding:22px 20px;transition:border-color .18s,box-shadow .18s,transform .18s;
}
.pd-deliver:hover{border-color:#BAE6FD;box-shadow:var(--pd-shadow);transform:translateY(-3px)}
.pd-deliver .no{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#E0F2FE,#CFFAFE);color:var(--pd-blue-d);
  font-size:13px;font-weight:800;margin-bottom:14px;
}
.pd-deliver p{margin:0;font-size:13.5px;line-height:1.75;color:var(--pd-ink-2)}

/* ---------- 流程时间线（横向卡片） ---------- */
.pd-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.pd-step{position:relative;padding:0 18px 0 0}
.pd-step:last-child{padding-right:0}
.pd-step-rail{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.pd-step-dot{
  display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;border-radius:50%;
  background:#fff;border:2px solid var(--pd-blue);color:var(--pd-blue-d);
  font-size:13.5px;font-weight:800;z-index:2;
}
.pd-step-line{flex:1;height:2px;background:linear-gradient(90deg,#BAE6FD,var(--pd-line-2))}
.pd-step:last-child .pd-step-line{display:none}
.pd-step p{margin:0;font-size:13.5px;line-height:1.8;color:var(--pd-ink-2);font-weight:500}
.pd-step h4{margin:0 0 6px;font-size:14px;font-weight:700}

/* ---------- 分栏：正文 + 悬浮侧卡 ---------- */
.pd-split{display:grid;grid-template-columns:1fr 340px;gap:34px;align-items:start;padding-top:52px}
.pd-prose{font-size:14.5px;line-height:1.95;color:var(--pd-ink-2)}
.pd-prose p{margin:0 0 16px}
.pd-prose strong{color:var(--pd-ink)}

/* 下单卡（粘性） */
.pd-order{
  position:sticky;top:84px;background:#fff;border:1px solid var(--pd-line);
  border-radius:var(--pd-radius);box-shadow:var(--pd-shadow);overflow:hidden;
}
.pd-order-head{
  padding:20px 22px;background:linear-gradient(135deg,#0F172A,#1E3A5F);color:#fff;
}
.pd-order-head h3{margin:0 0 6px;font-size:16.5px;font-weight:700}
.pd-order-head p{margin:0;font-size:12.5px;line-height:1.7;color:#94A3B8}
.pd-order-body{padding:22px}
.pd-field{
  width:100%;border:1px solid var(--pd-line);border-radius:10px;
  padding:13px 15px;font:inherit;font-size:13.5px;color:var(--pd-ink);
  background:var(--pd-bg-soft);outline:0;margin-bottom:12px;
  transition:border-color .16s,background .16s;
}
.pd-field:focus{border-color:var(--pd-blue);background:#fff}
.pd-field::placeholder{color:#A8B3C2}
textarea.pd-field{min-height:112px;resize:vertical;line-height:1.7}
.pd-consent{
  display:flex;gap:10px;align-items:flex-start;font-size:12px;line-height:1.7;
  color:var(--pd-ink-3);margin:4px 0 18px;cursor:pointer;
}
.pd-consent input{margin-top:2px;width:15px;height:15px;flex:0 0 auto;accent-color:var(--pd-blue)}
.pd-submit{
  display:flex;align-items:center;justify-content:center;gap:9px;width:100%;
  height:50px;border:0;border-radius:11px;cursor:pointer;
  background:linear-gradient(135deg,var(--pd-blue),var(--pd-cyan));color:#fff;
  font-size:15px;font-weight:700;box-shadow:0 12px 26px -12px rgba(14,165,233,.8);
  transition:transform .16s,box-shadow .16s;
}
.pd-submit:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(14,165,233,.9)}
.pd-submit svg{width:17px;height:17px}
.pd-order-foot{
  border-top:1px solid var(--pd-line-2);padding:16px 22px;
  display:grid;gap:11px;background:var(--pd-bg-soft);
}
.pd-order-foot .row{display:flex;justify-content:space-between;gap:12px;font-size:12.5px}
.pd-order-foot .row span{color:var(--pd-ink-3);flex:0 0 auto}
.pd-order-foot .row b{color:var(--pd-ink);text-align:right;font-weight:600}

/* 正文内的横排信息卡（3 列） */
.pd-info-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.pd-mini{
  background:var(--pd-bg-soft);border:1px solid var(--pd-line-2);
  border-radius:var(--pd-radius-s);padding:18px;
}
.pd-mini h4{margin:0 0 11px;font-size:13px;font-weight:700;display:flex;align-items:center;gap:8px}
.pd-mini h4 svg{width:16px;height:16px;color:var(--pd-blue)}
.pd-mini p{margin:0;font-size:12.5px;line-height:1.8;color:var(--pd-ink-2)}

/* 合规提示卡 */
.pd-legal{
  background:linear-gradient(135deg,#FFFBEB,#FEF3C7);
  border:1px solid #FDE68A;border-radius:var(--pd-radius-s);
  padding:18px 20px;font-size:13px;line-height:1.85;color:#78350F;
}
.pd-legal b{color:#92400E}

/* ---------- 底部行动带 ---------- */
.pd-band{
  margin:56px 0 0;border-radius:var(--pd-radius);overflow:hidden;position:relative;
  background:linear-gradient(135deg,#0EA5E9,#06B6D4 60%,#0E7490);
  padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.pd-band:before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-220px;
  border-radius:50%;background:rgba(255,255,255,.12);
}
.pd-band-in{position:relative;z-index:2}
.pd-band h2{margin:0 0 10px;font-size:24px;font-weight:800}
.pd-band p{margin:0;font-size:14px;line-height:1.8;color:#E0F2FE;max-width:640px}
.pd-band-actions{position:relative;z-index:2;display:flex;gap:12px;flex:0 0 auto}
.pd-band-btn{
  display:inline-flex;align-items:center;gap:9px;height:48px;padding:0 24px;
  border-radius:11px;font-size:14px;font-weight:700;cursor:pointer;border:0;
  transition:transform .16s,box-shadow .16s;
}
.pd-band-btn.primary{background:#fff;color:#0369A1;box-shadow:0 12px 26px -12px rgba(0,0,0,.4)}
.pd-band-btn.primary:hover{transform:translateY(-2px)}
.pd-band-btn.ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4)}
.pd-band-btn.ghost:hover{background:rgba(255,255,255,.22)}

/* ---------- 页脚 ---------- */
.pd-foot{margin-top:60px;border-top:1px solid var(--pd-line-2);background:var(--pd-bg-soft)}
.pd-foot-in{padding:38px 0 26px;display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}
.pd-foot-brand img{height:40px;width:auto;margin-bottom:12px}
.pd-foot-brand p{margin:0;font-size:12.5px;line-height:1.85;color:var(--pd-ink-2);max-width:420px}
.pd-foot-links{display:flex;gap:34px;flex-wrap:wrap}
.pd-foot-links h4{margin:0 0 12px;font-size:12px;letter-spacing:.08em;color:var(--pd-ink-3);font-weight:700}
.pd-foot-links a,.pd-foot-links button{
  display:block;background:none;border:0;padding:0;margin-bottom:9px;
  font-size:13px;color:var(--pd-ink-2);cursor:pointer;text-align:left;
  transition:color .16s;font-family:inherit;
}
.pd-foot-links a:hover,.pd-foot-links button:hover{color:var(--pd-blue)}
.pd-foot-bottom{
  border-top:1px solid var(--pd-line);padding:16px 0;font-size:12px;color:var(--pd-ink-3);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.pd-foot-bottom a{transition:color .16s}
.pd-foot-bottom a:hover{color:var(--pd-blue)}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .pd-banner-in{grid-template-columns:1fr;gap:26px}
  .pd-banner{padding:34px 28px}
  .pd-banner h1{font-size:31px}
  .pd-split{grid-template-columns:1fr;gap:26px}
  .pd-order{position:static}
  .pd-index{grid-template-columns:repeat(2,1fr)}
  .pd-grid-3{grid-template-columns:repeat(2,1fr)}
  .pd-info-row{grid-template-columns:1fr}
  .pd-steps{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .pd-step:nth-child(2n) .pd-step-line{display:none}
  .pd-band{flex-direction:column;align-items:flex-start;padding:32px 26px}
}
@media(max-width:720px){
  .pd-nav{display:none}
  .pd-notice-in{flex-direction:column;align-items:flex-start;gap:6px}
  .pd-banner{padding:26px 20px}
  .pd-banner h1{font-size:26px}
  .pd-price-num b{font-size:42px}
  .pd-grid-2,.pd-grid-3,.pd-index,.pd-steps,.pd-info-row{grid-template-columns:1fr}
  .pd-step{padding-right:0;margin-bottom:20px}
  .pd-step-line{display:none!important}
  .pd-band-actions{flex-direction:column;width:100%}
  .pd-band-btn{justify-content:center;width:100%}
  .pd-foot-in{flex-direction:column}
  .pd-foot-bottom{flex-direction:column}
}

/* ============================================================
   v3 追加：服务承诺 / 购买到交付全链路 / 常见问题
   （product.php 20261024 新增三区块，pd- 前缀沿用现有变量）
   ============================================================ */

/* ---------- 服务承诺 ---------- */
.pd-trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.pd-trust{
  position:relative;background:var(--pd-bg);border:1px solid var(--pd-line);
  border-radius:var(--pd-radius);padding:22px 20px;box-shadow:var(--pd-shadow);
  transition:transform .18s,box-shadow .18s,border-color .18s;overflow:hidden;
}
.pd-trust::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--pd-blue),var(--pd-cyan));
  opacity:0;transition:opacity .18s;
}
.pd-trust:hover{transform:translateY(-4px);border-color:#BAE6FD;box-shadow:var(--pd-shadow-h)}
.pd-trust:hover::before{opacity:1}
.pd-trust-ic{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(135deg,#E0F2FE,#F0F9FF);color:var(--pd-blue-d);
}
.pd-trust-ic svg{width:19px;height:19px}
.pd-trust h4{margin:0 0 8px;font-size:15.5px;font-weight:800;color:var(--pd-ink)}
.pd-trust p{margin:0;font-size:13px;line-height:1.75;color:var(--pd-ink-2)}

/* ---------- 购买到交付全链路 ---------- */
.pd-journey{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:26px;counter-reset:jn}
.pd-jn{
  position:relative;background:var(--pd-bg-soft);border:1px solid var(--pd-line-2);
  border-radius:var(--pd-radius-s);padding:44px 16px 18px;transition:transform .18s,border-color .18s,box-shadow .18s;
}
.pd-jn:hover{transform:translateY(-3px);border-color:#BAE6FD;box-shadow:var(--pd-shadow)}
.pd-jn i{
  position:absolute;left:16px;top:14px;width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--pd-blue),var(--pd-cyan));color:#fff;
  font-style:normal;font-size:12px;font-weight:800;display:grid;place-items:center;
  box-shadow:0 4px 10px -3px rgba(14,165,233,.5);
}
.pd-jn b{display:block;font-size:14px;font-weight:800;color:var(--pd-ink);margin-bottom:7px}
.pd-jn span{display:block;font-size:12px;line-height:1.7;color:var(--pd-ink-2)}
.pd-jn:not(:last-child)::after{
  content:"→";position:absolute;right:-11px;top:50%;transform:translateY(-50%);
  color:#CBD5E1;font-size:13px;font-weight:800;z-index:1;
}

/* ---------- 常见问题 ---------- */
.pd-faq{display:grid;gap:10px;margin-top:26px;max-width:920px}
.pd-faq-item{
  background:var(--pd-bg);border:1px solid var(--pd-line);border-radius:var(--pd-radius-s);
  padding:0;overflow:hidden;transition:border-color .15s,box-shadow .15s;
}
.pd-faq-item:hover{border-color:#BAE6FD}
.pd-faq-item[open]{border-color:#7DD3FC;box-shadow:var(--pd-shadow)}
.pd-faq-item summary{
  list-style:none;cursor:pointer;padding:16px 46px 16px 18px;position:relative;
  font-size:14.5px;font-weight:700;color:var(--pd-ink);line-height:1.6;
}
.pd-faq-item summary::-webkit-details-marker{display:none}
.pd-faq-item summary::after{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;background:var(--pd-bg-tint);color:var(--pd-ink-2);
  display:grid;place-items:center;font-size:15px;font-weight:800;transition:transform .18s,background .18s,color .18s;
}
.pd-faq-item[open] summary::after{content:"−";background:var(--pd-blue);color:#fff;transform:translateY(-50%) rotate(180deg)}
.pd-faq-item p{margin:0;padding:0 18px 18px;font-size:13px;line-height:1.85;color:var(--pd-ink-2)}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .pd-trust-grid{grid-template-columns:repeat(2,1fr)}
  .pd-journey{grid-template-columns:repeat(2,1fr)}
  .pd-jn:not(:last-child)::after{display:none}
}
@media(max-width:640px){
  .pd-trust-grid{grid-template-columns:1fr}
  .pd-journey{grid-template-columns:1fr}
  .pd-faq-item summary{font-size:13.5px}
}