/* ============================================================
   case-13.html 专属样式 —— 鹤壁瑞丰包装机械 · 包装机械官网案例
   布局特征：居中 Hero + 胶带贴纸 / 色条痛点行 / 竖向目标时间线 /
             六格栏目 / 折叠手风琴功能 / 环形进度成果
   ============================================================ */

.c13-crumb{ padding-top:26px; }

/* ---------- ① 居中 Hero ---------- */
.c13-hero{
  padding:64px 20px 70px; text-align:center; position:relative;
  background:
    radial-gradient(circle at 18% 20%, rgba(191,232,191,.5) 0, transparent 30%),
    radial-gradient(circle at 85% 75%, rgba(255,233,184,.55) 0, transparent 32%),
    var(--green-soft);
  border-radius:var(--r-xl); max-width:var(--maxw); margin:20px auto 0;
  overflow:hidden;
}
.c13-tape{
  position:absolute; top:18px; left:50%; transform:translateX(-50%) rotate(-3deg);
  background:rgba(255,255,255,.8); border:2px dashed var(--green-mid);
  font-size:12px; font-weight:700; color:var(--green-deep);
  padding:4px 16px; border-radius:6px; letter-spacing:2px;
}
.c13-hero-tag{ margin-bottom:18px; }
.c13-hero h1{ margin-bottom:18px; }
.c13-hero-sub{ max-width:620px; margin:0 auto 28px; }
.c13-hero-btns{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- ② 痛点色条行 ---------- */
.c13-bg{ padding:56px 0 10px; }
.c13-bg-head{ margin-bottom:26px; }
.c13-bg-head .tag{ margin-bottom:12px; display:inline-block; }
.c13-pains{ display:flex; flex-direction:column; gap:14px; }
.c13-pain-row{
  display:flex; gap:20px; align-items:center;
  background:var(--white); border-radius:var(--r-m); padding:18px 24px;
  border-left:8px solid var(--yellow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.c13-pain-row:hover{ transform:translateX(8px); box-shadow:var(--shadow-s); }
.c13-pain-no{
  flex:none; background:var(--yellow); color:#fff; font-weight:800;
  border-radius:10px; padding:8px 14px; font-size:14px;
}
.c13-pain-no-p{ background:var(--pink); }
.c13-pain-no-g{ background:var(--green); }
.c13-pain-row p{ margin:0; font-size:15px; }
.c13-pain-row b{ color:var(--ink); }

/* ---------- ③ 目标时间线 ---------- */
.c13-goal{ padding:50px 0; }
.c13-goal-wrap{ display:grid; grid-template-columns:1fr 1.3fr; gap:48px; align-items:start; }
.c13-goal-side .tag{ margin-bottom:14px; }
.c13-goal-side h2{ margin-bottom:14px; }
.c13-goal-line{ list-style:none; position:relative; padding-left:26px; }
.c13-goal-line::before{
  content:""; position:absolute; left:8px; top:8px; bottom:8px;
  border-left:3px dashed var(--pink-mid);
}
.c13-goal-line li{ position:relative; padding:0 0 22px 18px; }
.c13-goal-line li:last-child{ padding-bottom:0; }
.c13-goal-line li::before{
  content:""; position:absolute; left:-25px; top:6px;
  width:16px; height:16px; border-radius:50%;
  background:var(--pink); border:3px solid var(--pink-soft);
}
.c13-goal-line time{
  display:inline-block; font-size:13px; font-weight:800; color:var(--pink-deep);
  background:var(--pink-soft); border-radius:var(--r-full); padding:3px 12px; margin-bottom:6px;
}
.c13-goal-line p{ margin:0; font-size:15px; }

/* ---------- ④ 栏目六格 ---------- */
.c13-map{ padding:30px 0; }
.c13-map-head{ margin-bottom:26px; }
.c13-map-head .tag{ margin-bottom:12px; display:inline-block; }
.c13-map-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.c13-map-cell{
  background:var(--white); border-radius:var(--r-m); padding:22px;
  border:2px dashed var(--green-mid);
  transition:transform .25s ease, background .25s ease;
}
.c13-map-cell:hover{ transform:translateY(-5px) rotate(.5deg); background:var(--green-soft); }
.c13-map-cell b{ display:block; color:var(--green-deep); font-size:17px; margin-bottom:6px; }
.c13-map-cell p{ font-size:14px; margin:0; }

/* ---------- ⑤ 设计亮点 ---------- */
.c13-shot{ padding:40px 0; }
.c13-shot-wrap{ display:grid; grid-template-columns:1fr 1.15fr; gap:48px; align-items:center; }
.c13-shot-text .tag{ margin-bottom:14px; }
.c13-shot-text h2{ margin-bottom:16px; }
.c13-shot-img img{ border-radius:var(--r-l); box-shadow:var(--shadow-l); }

/* ---------- ⑥ 手风琴 ---------- */
.c13-acc{ padding:40px 0; }
.c13-acc-wrap{ max-width:860px; margin:0 auto; }
.c13-acc-head{ margin-bottom:24px; text-align:center; }
.c13-acc-head .tag{ margin-bottom:12px; display:inline-block; }
.c13-acc-list{ display:flex; flex-direction:column; gap:12px; }
.c13-details{
  background:var(--white); border-radius:var(--r-m);
  border:2px dashed var(--yellow); overflow:hidden;
  transition:border-color .25s ease;
}
.c13-details[open]{ border-color:var(--yellow-deep); }
.c13-details summary{
  cursor:pointer; list-style:none;
  padding:18px 24px; font-weight:800; color:var(--ink); font-size:16px;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.c13-details summary::-webkit-details-marker{ display:none; }
.c13-details summary::after{
  content:"+"; font-size:22px; font-weight:400; color:var(--yellow-deep);
  transition:transform .25s ease; flex:none;
}
.c13-details[open] summary::after{ transform:rotate(45deg); }
.c13-details p{ padding:0 24px 18px; margin:0; font-size:14px; }

/* ---------- ⑦ 环形进度（占位数据） ---------- */
.c13-res{ padding:30px 0; }
.c13-res-head{ margin-bottom:28px; }
.c13-rings{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.c13-ring{ text-align:center; }
.c13-ring b{
  display:grid; place-items:center; margin:0 auto 12px;
  width:150px; height:150px; border-radius:50%;
  background:conic-gradient(var(--green) calc(var(--p) * 1%), var(--green-soft) 0);
}
.c13-ring b span{
  width:118px; height:118px; border-radius:50%; background:var(--white);
  display:grid; place-items:center;
  font-size:28px; font-weight:800; color:var(--green-deep);
}
.c13-ring-1{ --p:86; } .c13-ring-2{ --p:64; } .c13-ring-3{ --p:45; }
.c13-ring p{ font-size:14px; }
.c13-res-note{ text-align:center; font-size:13px; margin-top:18px; }

/* ---------- ⑧ 评价 ---------- */
.c13-quote{ padding:20px 0 40px; }
.c13-quote-card{
  background:var(--white); border-radius:var(--r-l); padding:40px 46px;
  border-top:6px solid var(--green);
  box-shadow:var(--shadow-l);
}
.c13-quote-card blockquote{ font-size:18px; line-height:1.9; color:var(--ink); margin:0 0 14px; }
.c13-quote-card figcaption{ color:var(--green-deep); font-weight:700; }

/* ---------- ⑨ 相关 ---------- */
.c13-rel{ padding:30px 0; }
.c13-rel-head{ margin-bottom:24px; }
.c13-rel-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.c13-rel-card{
  background:var(--white); border-radius:var(--r-m); padding:18px 22px;
  border:2px solid var(--green-soft);
  transition:transform .25s ease, border-color .25s ease;
}
.c13-rel-card:hover{ transform:translateY(-5px); border-color:var(--green); }
.c13-rel-card b{ display:block; color:var(--ink); margin-bottom:4px; }
.c13-rel-card span{ font-size:13px; color:var(--body); }

/* ---------- ⑩ CTA ---------- */
.c13-cta{
  margin-top:50px; padding:70px 20px; text-align:center;
  background:linear-gradient(135deg,var(--green-deep),var(--green));
  border-radius:var(--r-xl) var(--r-xl) 0 0;
}
.c13-cta-inner h2{ color:#fff; margin-bottom:14px; }
.c13-cta-inner p{ color:#E9F7E9; margin-bottom:26px; }
.c13-cta-btns{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- 响应式 ---------- */
@media (max-width:991.98px){
  .c13-goal-wrap{ grid-template-columns:1fr; gap:30px; }
  .c13-shot-wrap{ grid-template-columns:1fr; gap:30px; }
  .c13-map-grid{ grid-template-columns:1fr 1fr; }
  .c13-rel-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:575.98px){
  .c13-map-grid,.c13-rel-grid{ grid-template-columns:1fr; }
  .c13-rings{ grid-template-columns:1fr; }
  .c13-pain-row{ flex-direction:column; align-items:flex-start; gap:8px; }
  .c13-quote-card{ padding:28px 22px; }
  .c13-quote-card blockquote{ font-size:16px; }
}