/* ============================================================
   页面：industry-packaging.html（包装机械行业网站建设方案）
   布局：居中标题首屏 + 贴纸实景 / 通栏文字+小数据行背景 /
         客户对话气泡痛点 / 折角卡 2×2 方案 / 关键词云亮点 /
         序号行模块清单
   依赖：base.css
   ============================================================ */

/* ---------- ① 首屏 ---------- */
.pk-hero{ padding:52px 0 46px; }
.pk-hero-head{ text-align:center; max-width:820px; margin:0 auto 30px; }
.pk-hero-head .crumb{ justify-content:center; margin-bottom:16px; }
.pk-hero-head h1{ margin:10px 0 16px; }
.pk-hero-sub{ font-size:16.5px; margin:0 auto 22px; max-width:700px; }
.pk-hero-btns{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.pk-hero-media{ position:relative; max-width:1100px; margin:0 auto; }
.pk-hero-media img{ border-radius:var(--r-l); box-shadow:var(--shadow-m); border:3px solid var(--white); }
.pk-sticker{
  position:absolute; background:var(--white);
  border:2px dashed var(--pink-mid); border-radius:12px;
  padding:8px 16px; font-size:13.5px; font-weight:800; color:var(--pink-deep);
  box-shadow:var(--shadow-s);
}
.pk-sticker-a{ left:26px; top:22px; transform:rotate(-3deg); }
.pk-sticker-b{ right:26px; bottom:22px; transform:rotate(2deg); color:var(--green-deep); border-color:var(--green-mid); }

/* ---------- ② 背景 ---------- */
.pk-bg{ padding:30px 0 40px; }
.pk-bg-text{ max-width:840px; margin:0 auto 28px; text-align:center; }
.pk-bg-text h2{ margin:12px 0 14px; }
.pk-bg-text p{ font-size:15.5px; }
.pk-bg-stats{
  display:grid; grid-template-columns:repeat(3,1fr); gap:16px;
  max-width:960px; margin:0 auto;
}
.pk-bg-stats div{
  background:var(--white); border-radius:var(--r-m);
  padding:18px 20px; text-align:center; box-shadow:var(--shadow-s);
  border-bottom:5px solid var(--pink-mid);
}
.pk-bg-stats b{ display:block; color:var(--ink); font-size:16.5px; margin-bottom:4px; }
.pk-bg-stats span{ font-size:13px; color:var(--body); }

/* ---------- 通用区块标题 ---------- */
.pk-sec{ text-align:center; max-width:760px; margin:0 auto 34px; }
.pk-sec h2{ margin:10px 0 12px; }
.pk-sec p{ color:var(--body); }

/* ---------- ③ 痛点：对话气泡 ---------- */
.pk-pain{ padding:46px 0; }
.pk-bubbles{ max-width:900px; margin:0 auto; display:flex; flex-direction:column; gap:26px; }
.pk-bubble{ position:relative; max-width:78%; }
.pk-bubble > p{
  background:var(--cream-2); border:2px dashed var(--yellow);
  border-radius:20px; padding:14px 20px; font-weight:700; color:var(--ink);
  position:relative; margin-bottom:10px;
}
.pk-bubble > p::after{
  content:""; position:absolute; bottom:-8px; width:14px; height:14px;
  background:var(--cream-2); border-right:2px dashed var(--yellow);
  transform:rotate(45deg);
}
.pk-bubble-l{ align-self:flex-start; }
.pk-bubble-l > p::after{ left:26px; border-bottom:2px dashed var(--yellow); }
.pk-bubble-r{ align-self:flex-end; text-align:left; }
.pk-bubble-r > p{ background:var(--pink-soft); border-color:var(--pink-mid); }
.pk-bubble-r > p::after{ right:26px; left:auto; background:var(--pink-soft); }
.pk-bubble-tag{
  display:inline-block; font-size:12.5px; font-weight:800;
  color:var(--yellow-deep); background:var(--yellow-soft);
  padding:3px 12px; border-radius:var(--r-full); margin-bottom:8px;
}
.pk-bubble-tag.pk-bubble-tag-p{ color:var(--pink-deep); background:var(--pink-soft); }
.pk-bubble-tag.pk-bubble-tag-g{ color:var(--green-deep); background:var(--green-soft); }
.pk-bubble div h3{ font-size:16.5px; margin-bottom:4px; }
.pk-bubble div p{ margin:0; font-size:14px; }

/* ---------- ④ 方案：折角卡 2×2 ---------- */
.pk-sol{ padding:46px 0; background:rgba(255,228,240,.4); border-radius:var(--r-xl); }
.pk-sol-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; max-width:960px; margin:0 auto; }
.pk-sol-card{
  position:relative; background:var(--white);
  border-radius:var(--r-m); padding:26px 28px 24px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease;
}
.pk-sol-card::before{
  content:""; position:absolute; top:0; right:0;
  border-width:0 26px 26px 0; border-style:solid;
  border-color:var(--yellow-soft) transparent;
  border-radius:0 var(--r-m) 0 14px;
}
.pk-sol-card:hover{ transform:translateY(-5px); }
.pk-sol-card.pk-sol-p::before{ border-color:var(--pink-soft) transparent; }
.pk-sol-card.pk-sol-g::before{ border-color:var(--green-soft) transparent; }
.pk-sol-card h3{ font-size:18px; margin-bottom:8px; }
.pk-sol-card p{ margin:0; font-size:14.5px; }

/* ---------- ⑤ 亮点：关键词云 ---------- */
.pk-hl{ padding:46px 0; }
.pk-cloud{
  max-width:820px; margin:0 auto; text-align:center;
  display:flex; flex-wrap:wrap; gap:12px 14px; justify-content:center; align-items:center;
}
.pk-cloud span{
  background:var(--white); border:2px dashed var(--green-mid);
  border-radius:var(--r-full); padding:8px 20px;
  font-weight:700; color:var(--ink); font-size:14.5px;
  transition:transform .2s ease, background .2s ease, color .2s ease;
}
.pk-cloud span:hover{ transform:translateY(-3px) rotate(-2deg); background:var(--green-soft); color:var(--green-deep); }
.pk-cloud .pk-c-lg{ font-size:19px; padding:12px 26px; background:var(--green); color:#fff; border-color:transparent; box-shadow:0 10px 26px rgba(111,191,115,.3); }

/* ---------- ⑥ 模块清单：序号行 ---------- */
.pk-mod{ padding:46px 0; }
.pk-mod-list{
  max-width:860px; margin:0 auto;
  display:flex; flex-direction:column; gap:12px;
}
.pk-mod-list div{
  display:flex; gap:18px; align-items:center;
  background:var(--white); border-radius:var(--r-m);
  padding:16px 24px; box-shadow:var(--shadow-s);
}
.pk-mod-list b{
  flex:none; font-size:20px; font-weight:800; color:var(--pink-mid);
}
.pk-mod-list span{ font-size:14.5px; }
.pk-mod-note{ text-align:center; margin-top:20px; font-size:15px; }
.pk-mod-note a{ color:var(--pink-deep); font-weight:700; }

/* ---------- ⑦ 案例 ---------- */
.pk-cases{ padding:46px 0; }
.pk-case-row{ display:grid; grid-template-columns:1fr 1fr; gap:26px; max-width:880px; margin:0 auto; }
.pk-case{
  background:var(--white); border-radius:var(--r-m); overflow:hidden;
  box-shadow:var(--shadow-s); transition:transform .25s ease, box-shadow .25s ease;
}
.pk-case:hover{ transform:translateY(-5px); box-shadow:var(--shadow-m); }
.pk-case h3{ font-size:16.5px; margin:14px 18px 6px; }
.pk-case p{ font-size:14px; margin:0 18px 16px; }
.pk-cases-more{ text-align:center; margin-top:28px; }
.pk-cases-more a{ color:var(--green-deep); font-weight:700; }

/* ---------- ⑧ 其他行业推荐 ---------- */
.pk-more{ padding:30px 0 46px; }
.pk-more-t{ font-size:18px; margin-bottom:16px; text-align:center; }
.pk-more-chips{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
.pk-more-chips a{
  padding:8px 20px; border-radius:var(--r-full);
  background:var(--white); border:2px dashed var(--pink-mid);
  font-size:14px; font-weight:700; color:var(--ink);
  transition:background .2s ease, color .2s ease, transform .2s ease;
}
.pk-more-chips a:hover{ background:var(--pink-soft); color:var(--pink-deep); transform:translateY(-2px); }

/* ---------- ⑨ FAQ ---------- */
.pk-faq{ padding:46px 0; }
.pk-faq-wrap{ max-width:860px; margin:0 auto; }
.pk-faq-item{
  background:var(--white); border-radius:var(--r-m);
  padding:22px 26px; margin-bottom:16px; box-shadow:var(--shadow-s);
}
.pk-faq-item h3{ display:flex; align-items:center; gap:12px; font-size:17.5px; margin-bottom:10px; }
.pk-faq-q{
  flex:none; width:30px; height:30px; border-radius:50%;
  background:var(--pink); color:#fff;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:14px; font-weight:800;
}
.pk-faq-item p{ margin:0; font-size:15px; }
.pk-faq-item a{ color:var(--pink-deep); font-weight:700; }

/* ---------- ⑩ 底部 CTA（波点奶油带） ---------- */
.pk-cta{
  padding:64px 0;
  background:
    radial-gradient(circle, rgba(245,184,46,.25) 0 6px, transparent 7px) 0 0/46px 46px,
    linear-gradient(135deg,var(--cream),var(--cream-2));
  border-top:3px dashed var(--yellow);
}
.pk-cta-inner{ text-align:center; }
.pk-cta-inner h2{ margin-bottom:12px; }
.pk-cta-inner p{ font-size:16px; margin-bottom:22px; }
.pk-cta-btns{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

/* ---------- 响应式 ---------- */
@media (max-width:991.98px){
  .pk-bg-stats{ grid-template-columns:1fr; }
  .pk-sol-grid{ grid-template-columns:1fr; }
}
@media (max-width:767.98px){
  .pk-bubble{ max-width:100%; }
  .pk-case-row{ grid-template-columns:1fr; }
  .pk-sticker{ position:static; display:inline-block; margin:8px 4px 0; }
}