/* ============================================================
   case-01.html —— 安阳恒信精密模具案例
   布局：左右分栏首屏 / 三列痛点卡 / 编号竖排条目
        / 图钉标注叠加大图 / 双列勾选清单 / 数据横条
   ============================================================ */

/* ---------- ① 左右分栏首屏 ---------- */
.c1-hero{ padding:56px 0 30px; }
.c1-hero-wrap{
  display:grid; grid-template-columns:1.05fr 1fr; gap:44px; align-items:center;
}
.c1-hero-left h1{ margin:16px 0 14px; }
.c1-hero-sub{ font-size:16px; max-width:560px; }
.c1-hero-btns{ display:flex; gap:12px; flex-wrap:wrap; margin-top:22px; }
.c1-hero-photo{
  position:relative; border-radius:var(--r-l); overflow:hidden;
  box-shadow:var(--shadow-l); transform:rotate(1.2deg);
}
.c1-hero-photo img{ width:100%; aspect-ratio:4/3; object-fit:cover; }
.c1-photo-sticker{
  position:absolute; top:16px; right:16px;
  background:var(--green); color:#fff; font-size:13px; font-weight:800;
  padding:6px 14px; border-radius:var(--r-full);
  transform:rotate(3deg); box-shadow:0 6px 16px rgba(79,163,86,.4);
}

/* ---------- ② 痛点三列 ---------- */
.c1-pain{ padding:40px 0; }
.c1-pain .sec-head{ margin-bottom:34px; }
.c1-pain .sec-head h2{ margin:10px 0; }
.c1-pain-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.c1-pain-card{
  background:var(--white); border-radius:var(--r-l); padding:28px 24px;
  border:2px dashed var(--pink-mid); transition:transform .25s ease;
}
.c1-pain-card:hover{ transform:translateY(-6px) rotate(-1deg); }
.c1-pain-ic{
  display:inline-flex; width:46px; height:46px; border-radius:14px;
  background:var(--pink-soft); align-items:center; justify-content:center; margin-bottom:14px;
}
.c1-pain-ic svg{ width:22px; height:22px; stroke:var(--pink-deep); }
.c1-pain-card h3{ margin-bottom:10px; }
.c1-pain-card p{ font-size:14px; margin:0; }

/* ---------- ③ 编号竖排 ---------- */
.c1-did{ padding:40px 0; }
.c1-did .sec-head{ margin-bottom:34px; }
.c1-did .sec-head h2{ margin:10px 0; }
.c1-did-list{ max-width:860px; margin:0 auto; display:grid; gap:18px; }
.c1-did-item{
  display:flex; gap:20px; align-items:flex-start;
  background:var(--white); border-radius:var(--r-m); padding:24px 26px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.c1-did-item:hover{ transform:translateX(8px); box-shadow:var(--shadow-s); }
.c1-did-no{
  flex:none; font-size:30px; font-weight:800; color:var(--yellow);
  background:var(--yellow-soft); border-radius:16px; padding:6px 14px; line-height:1;
}
.c1-did-item h3{ margin-bottom:8px; }
.c1-did-item p{ font-size:14px; margin:0; }

/* ---------- ④ 图钉标注叠加 ---------- */
.c1-design{ padding:40px 0; }
.c1-design .sec-head{ margin-bottom:30px; }
.c1-design .sec-head h2{ margin:10px 0; }
.c1-design-photo{
  position:relative; border-radius:var(--r-l); overflow:hidden; box-shadow:var(--shadow-l);
}
.c1-design-photo > img{ width:100%; aspect-ratio:16/9; object-fit:cover; }
.c1-pin{
  position:absolute; background:#fff; border:2px dashed var(--pink);
  border-radius:14px; padding:8px 14px; font-size:13px; font-weight:700;
  box-shadow:var(--shadow-m); line-height:1.5;
}
.c1-pin::before{
  content:""; position:absolute; width:12px; height:12px; border-radius:50%;
  background:var(--pink); left:-7px; top:50%; transform:translateY(-50%);
}
.pin-1{ left:4%; top:10%; }
.pin-2{ left:38%; bottom:12%; }
.pin-3{ right:4%; top:22%; }

/* ---------- ⑤ 功能清单 ---------- */
.c1-feat{ padding:40px 0; }
.c1-feat-wrap{
  background:var(--green-soft); border-radius:var(--r-xl); padding:44px 40px;
}
.c1-feat-head h2{ margin:10px 0 22px; }
.c1-feat-grid{ display:grid; grid-template-columns:1fr 1fr; gap:14px 26px; }
.c1-feat-grid li{
  display:flex; gap:10px; align-items:flex-start;
  background:#fff; border-radius:14px; padding:14px 16px; font-size:14px; font-weight:600;
}
.c1-feat-grid svg{ width:18px; height:18px; stroke:var(--green-deep); flex:none; margin-top:3px; }

/* ---------- ⑥ 成果数据 ---------- */
.c1-result{
  margin:20px 0; padding:48px 0; background:linear-gradient(135deg,var(--yellow),var(--yellow-deep));
  border-radius:var(--r-xl);
}
.c1-result-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; text-align:center; }
.c1-r-item b{ display:block; font-size:42px; color:#fff; line-height:1.1; }
.c1-r-item b span{ font-size:22px; }
.c1-r-item span{ color:#FFF6DC; font-size:14px; font-weight:600; }
.c1-result-note{ text-align:center; font-size:12px; color:#fff; opacity:.85; margin-top:20px; margin-bottom:0; }

/* ---------- ⑦ 评价 ---------- */
.c1-say{ padding:40px 0; }
.c1-say-card{
  position:relative; background:var(--white); border-radius:var(--r-l);
  padding:44px 40px 32px; border:2px dashed var(--yellow); max-width:820px; margin:0 auto;
}
.c1-say-mark{
  position:absolute; top:-22px; left:30px; font-size:56px; color:var(--pink);
  font-weight:800; line-height:1;
}
.c1-say-card p{ font-size:18px; color:var(--ink); font-weight:600; }
.c1-say-who{ display:flex; flex-direction:column; gap:4px; }
.c1-say-who span{ font-size:12px; opacity:.7; }

/* ---------- ⑧ 相关 ---------- */
.c1-rel{ padding:20px 0 40px; }
.c1-rel .sec-head{ margin-bottom:26px; }
.c1-rel .sec-head h2{ margin:10px 0; }
.c1-rel-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.c1-rel-card{
  display:block; background:var(--white); border-radius:var(--r-m); padding:20px;
  border:2px dashed var(--green-mid); transition:transform .25s ease, border-color .25s ease;
}
.c1-rel-card:hover{ transform:translateY(-4px); border-color:var(--green); }
.c1-rel-card b{ display:block; color:var(--ink); margin-bottom:6px; }
.c1-rel-card span{ font-size:13px; }

/* ---------- ⑨ CTA ---------- */
.c1-cta{ padding:60px 0; background:var(--pink-soft); border-radius:var(--r-xl) var(--r-xl) 0 0; }
.c1-cta-inner{ text-align:center; }
.c1-cta h2{ margin-bottom:20px; }
.c1-cta-btns{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- 响应式 ---------- */
@media (max-width:1023.98px){
  .c1-hero-wrap{ grid-template-columns:1fr; gap:30px; }
  .c1-pain-row{ grid-template-columns:1fr; }
  .c1-feat-grid{ grid-template-columns:1fr; }
  .c1-result-row{ grid-template-columns:1fr; gap:26px; }
  .c1-rel-row{ grid-template-columns:repeat(2,1fr); }
  .pin-2{ left:6%; }
}
@media (max-width:639.98px){
  .c1-rel-row{ grid-template-columns:1fr; }
  .c1-feat-wrap{ padding:30px 22px; }
  .c1-pin{ font-size:11px; padding:6px 10px; }
}