/* ============================================================
   case-15.html 专属样式 —— 鹤壁芯测传感器 · 传感器行业官网案例
   布局特征：点阵底纹居中 Hero（光晕圆） / 图标行痛点 / 三支柱目标 /
             胶囊栏目 / 放大镜圈设计图 / 角标功能卡 / 括号块成果
   ============================================================ */

.c15-crumb{ padding-top:26px; }

/* ---------- ① 点阵 Hero ---------- */
.c15-hero{
  position:relative; padding:80px 20px 90px; text-align:center; overflow:hidden;
  background:
    radial-gradient(circle, rgba(111,191,115,.35) 1.5px, transparent 1.5px) 0 0/26px 26px,
    var(--white);
  border-radius:var(--r-xl); max-width:var(--maxw); margin:20px auto 0;
}
.c15-hero-inner{ position:relative; z-index:2; max-width:760px; margin:0 auto; }
.c15-hero-tag{ margin-bottom:18px; }
.c15-hero h1{ margin-bottom:18px; }
.c15-hero-sub{ margin-bottom:28px; }
.c15-hero-btns{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.c15-glow{
  position:absolute; width:340px; height:340px; border-radius:50%;
  background:radial-gradient(circle, rgba(191,232,191,.7), transparent 70%);
  top:-80px; right:-60px;
}

/* ---------- ② 痛点图标行 ---------- */
.c15-bg{ padding:56px 0 10px; }
.c15-bg-head{ margin-bottom:28px; }
.c15-bg-head .tag{ margin-bottom:12px; display:inline-block; }
.c15-rows{ display:flex; flex-direction:column; gap:14px; max-width:900px; margin:0 auto; }
.c15-row{
  display:flex; gap:18px; align-items:flex-start;
  background:var(--white); border-radius:var(--r-m); padding:20px 24px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.c15-row:hover{ transform:translateX(8px); box-shadow:var(--shadow-l); }
.c15-row-ic{
  flex:none; width:50px; height:50px; border-radius:14px;
  background:var(--green-soft); color:var(--green-deep);
  display:flex; align-items:center; justify-content:center;
}
.c15-row-ic svg{ width:26px; height:26px; }
.c15-row h3{ font-size:17px; margin-bottom:4px; }
.c15-row p{ font-size:14px; margin:0; }

/* ---------- ③ 三支柱 ---------- */
.c15-goal{ padding:40px 0; }
.c15-goal-head{ margin-bottom:26px; }
.c15-goal-head .tag{ margin-bottom:12px; display:inline-block; }
.c15-goal-cols{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.c15-pillar{
  background:var(--white); border-radius:var(--r-m); padding:28px 24px;
  border-top:5px solid var(--green); position:relative;
}
.c15-pillar::before{
  content:""; position:absolute; top:14px; right:14px; width:14px; height:14px;
  border-top:3px solid var(--green-mid); border-right:3px solid var(--green-mid);
}
.c15-pillar b{ display:block; font-size:22px; color:var(--green-deep); margin-bottom:8px; }
.c15-pillar p{ font-size:14px; margin:0; }

/* ---------- ④ 栏目规划 ---------- */
.c15-map{ padding:30px 0; }
.c15-map-wrap{ display:grid; grid-template-columns:1fr 1.2fr; gap:48px; align-items:center; }
.c15-map-text .tag{ margin-bottom:14px; }
.c15-map-text h2{ margin-bottom:14px; }
.c15-map-chips{ display:flex; flex-wrap:wrap; gap:12px; }
.c15-map-chips span{
  background:var(--white); border:2px dashed var(--green-mid); border-radius:var(--r-full);
  padding:10px 18px; font-size:14px; font-weight:700; color:var(--ink);
  transition:transform .2s ease, background .2s ease;
}
.c15-map-chips span:hover{ transform:translateY(-3px); background:var(--green-soft); }

/* ---------- ⑤ 设计亮点 ---------- */
.c15-shot{ padding:40px 0; }
.c15-shot-wrap{ display:grid; grid-template-columns:1.15fr 1fr; gap:48px; align-items:center; }
.c15-shot-img{ position:relative; }
.c15-shot-img img{ border-radius:var(--r-m); box-shadow:var(--shadow-l); border:3px solid var(--white); }
.c15-mag{
  position:absolute; width:90px; height:90px; border-radius:50%;
  border:4px solid var(--yellow); top:-26px; right:-26px;
  box-shadow:0 0 0 6px rgba(245,184,46,.18);
}
.c15-shot-text .tag{ margin-bottom:14px; }
.c15-shot-text h2{ margin-bottom:16px; }

/* ---------- ⑥ 角标功能卡 ---------- */
.c15-feat{ padding:40px 0; }
.c15-feat-head{ margin-bottom:26px; }
.c15-feat-head .tag{ margin-bottom:12px; display:inline-block; }
.c15-feat-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.c15-feat-card{
  background:var(--white); border-radius:var(--r-m); padding:26px;
  border:2px solid var(--green-soft); position:relative;
  transition:transform .25s ease, border-color .25s ease;
}
.c15-feat-card:hover{ transform:translateY(-5px); border-color:var(--green); }
.c15-feat-card b{
  position:absolute; top:-12px; left:20px;
  background:var(--green); color:#fff; font-size:12px; font-weight:800;
  padding:4px 12px; border-radius:var(--r-full); letter-spacing:1px;
}
.c15-feat-card h3{ font-size:18px; margin:8px 0 6px; }
.c15-feat-card p{ font-size:14px; margin:0; }

/* ---------- ⑦ 成果 ---------- */
.c15-res{ padding:30px 0; }
.c15-res-head{ margin-bottom:22px; }
.c15-res-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.c15-res-cell{
  background:var(--white); border-radius:var(--r-m); padding:24px 18px;
  border:2px dashed var(--green-mid); position:relative;
}
.c15-res-cell::before,.c15-res-cell::after{
  content:""; position:absolute; width:14px; height:14px;
  border:3px solid var(--green);
}
.c15-res-cell::before{ top:-3px; left:-3px; border-right:0; border-bottom:0; }
.c15-res-cell::after{ bottom:-3px; right:-3px; border-left:0; border-top:0; }
.c15-res-cell b{ font-size:32px; color:var(--green-deep); font-weight:800; }
.c15-res-cell b span{ font-size:15px; }
.c15-res-cell p{ font-size:13px; margin:6px 0 0; }
.c15-res-note{ text-align:center; font-size:13px; margin-top:16px; }

/* ---------- ⑧ 评价 ---------- */
.c15-quote{ padding:10px 0 40px; }
.c15-quote-card{
  background:var(--white); border-radius:var(--r-m); padding:36px 42px;
  box-shadow:var(--shadow-l); border-left:8px solid var(--green);
}
.c15-quote-card blockquote{ font-size:18px; line-height:1.9; color:var(--ink); margin:0 0 14px; }
.c15-quote-card figcaption{ color:var(--green-deep); font-weight:700; }

/* ---------- ⑨ 相关 ---------- */
.c15-rel{ padding:20px 0; }
.c15-rel-head{ margin-bottom:24px; }
.c15-rel-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.c15-rel-card{
  background:var(--white); border-radius:14px; padding:18px 22px;
  border:2px solid var(--green-soft);
  transition:transform .25s ease, box-shadow .25s ease;
}
.c15-rel-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-l); }
.c15-rel-card b{ display:block; color:var(--ink); margin-bottom:4px; }
.c15-rel-card span{ font-size:13px; color:var(--body); }

/* ---------- ⑩ CTA ---------- */
.c15-cta{
  margin-top:50px; padding:70px 20px; text-align:center;
  background:linear-gradient(120deg,#2f5d3a,#4b4453);
  border-radius:var(--r-xl) var(--r-xl) 0 0;
}
.c15-cta-inner h2{ color:#fff; margin-bottom:14px; }
.c15-cta-inner p{ color:#CDEACF; margin-bottom:26px; }
.c15-cta-btns{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- 响应式 ---------- */
@media (max-width:991.98px){
  .c15-map-wrap,.c15-shot-wrap{ grid-template-columns:1fr; gap:32px; }
  .c15-goal-cols{ grid-template-columns:1fr; }
  .c15-res-grid{ grid-template-columns:1fr 1fr; }
  .c15-rel-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:575.98px){
  .c15-feat-grid,.c15-rel-grid{ grid-template-columns:1fr; }
  .c15-quote-card{ padding:26px 20px; }
  .c15-quote-card blockquote{ font-size:16px; }
  /* 光晕圆收进图框内，避免移动端横向溢出 */
  .c15-mag{ top:-8px; right:0; width:58px; height:58px; }
}