/* ============================================================
   solution-industrial.css — 工业品行业方案页
   纵向时间线痛点 + 深色编号块结构 + 图文三栏做法 + 横向案例条
   ============================================================ */

/* ---------- 痛点：纵向金线时间线 ---------- */
.sind-pain{background:var(--white);position:relative}
.sind-line{
  list-style:none;position:relative;max-width:920px;margin:0 auto;
  padding-left:0;
}
.sind-line::before{
  content:"";position:absolute;left:27px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--gold-2),var(--gold-3),var(--gold-2));
}
.sind-line-item{position:relative;padding:0 0 38px 84px}
.sind-line-item:last-child{padding-bottom:6px}
.sind-line-dot{
  position:absolute;left:0;top:0;width:55px;height:55px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--white);border:1px solid var(--gold-2);
  font-family:var(--font-serif);font-size:19px;color:var(--gold-3);
  box-shadow:0 0 0 6px var(--white);
}
.sind-line-txt h3{font-size:21px;margin-bottom:10px}
.sind-line-txt p{font-size:15px;line-height:2;color:var(--gray)}

/* ---------- 深色板块结构：编号块 ---------- */
.sind-structure{position:relative;overflow:hidden}
.sind-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sind-block{
  position:relative;padding:30px 26px 26px;
  background:rgba(255,255,255,.03);border:1px solid rgba(217,190,133,.2);
  border-radius:12px;transition:all .35s ease;
}
.sind-block:hover{border-color:var(--gold-2);background:rgba(217,190,133,.07);transform:translateY(-5px)}
.sind-block-no{
  display:block;font-family:var(--font-serif);font-size:38px;font-weight:700;
  color:transparent;-webkit-text-stroke:1px var(--gold-2);
  margin-bottom:14px;line-height:1;
}
.sind-block h3{color:#fff;font-size:18px;margin-bottom:10px}
.sind-block p{font-size:13.5px;line-height:1.9;color:#B7B3A8}

/* ---------- 做法：图文三栏 ---------- */
.sind-how-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sind-how-card{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:var(--shadow-soft);transition:all .35s ease;
}
.sind-how-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-2)}
.sind-how-card figure{overflow:hidden}
.sind-how-card figure img{width:100%;height:190px;object-fit:cover;transition:transform .6s ease}
.sind-how-card:hover figure img{transform:scale(1.05)}
.sind-how-card h3{font-size:18px;padding:20px 22px 0}
.sind-how-card p{font-size:13.5px;line-height:1.9;padding:10px 22px 24px;color:var(--gray)}
.sind-how-card a{color:var(--gold-3);font-weight:600;border-bottom:1px dashed var(--gold)}

/* ---------- 案例线索：横向条卡 ---------- */
.sind-cases{background:var(--white)}
.sind-case-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sind-case{
  display:flex;flex-direction:column;background:var(--mist);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:all .35s ease;
}
.sind-case:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--gold-2)}
.sind-case img{width:100%;height:170px;object-fit:cover}
.sind-case div{padding:18px 20px 20px}
.sind-case span{
  display:inline-block;font-size:12px;letter-spacing:2px;color:var(--gold-3);
  border:1px solid var(--gold);padding:3px 10px;border-radius:20px;margin-bottom:10px;
}
.sind-case h3{font-size:16px;line-height:1.6}
.sind-cases-more{margin-top:36px;text-align:center;font-size:14px;color:var(--gray)}
.sind-cases-more a{color:var(--gold-3);font-weight:600;border-bottom:1px dashed var(--gold)}

/* ---------- CTA 深色通栏 ---------- */
.sind-cta{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#26292F,#1B1E23 70%);
  color:#E9E6DE;padding:90px 0;
}
.sind-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 300px at 85% 20%,rgba(217,190,133,.16),transparent 60%);
}
.sind-cta-inner{position:relative;text-align:center;max-width:820px}
.sind-cta h2{color:#fff;font-size:32px;margin-bottom:18px}
.sind-cta p{color:#C6C2B4;font-size:15px;line-height:2}
.sind-cta a{color:var(--gold-2);border-bottom:1px dashed var(--gold-2)}
.sind-cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin:30px 0 14px}
.sind-cta-note{font-size:13.5px;color:#9A968C}
.btn-line{color:#E9E3CD;border-color:rgba(217,190,133,.45)}
.btn-line:hover{border-color:var(--gold-2);color:#fff;background:rgba(217,190,133,.12)}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .sind-blocks{grid-template-columns:repeat(2,1fr)}
  .sind-how-cols{grid-template-columns:1fr;gap:20px}
  .sind-how-card figure img{height:210px}
  .sind-case-row{grid-template-columns:1fr}
}
@media (max-width:640px){
  .sind-blocks{grid-template-columns:1fr}
  .sind-line{padding-left:0}
  .sind-line-item{padding-left:72px}
  .sind-cta h2{font-size:24px}
}