/* ============================================================
   solution-auto.css — 汽配五金行业方案页
   圆形指标痛点 + 深色公差表 + 左文右图做法 + 案例三卡 + CTA
   ============================================================ */

/* ---------- 痛点：圆形指标三卡 ---------- */
.sauto-pain{background:var(--white)}
.sauto-blanks{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sauto-blank{
  position:relative;text-align:center;border:1px solid var(--line);
  border-radius:16px;padding:44px 28px 30px;background:var(--mist);
  transition:all .35s ease;
}
.sauto-blank:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-2)}
.sauto-blank-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:104px;height:104px;border-radius:50%;
  border:2px solid var(--gold);color:var(--gold-3);
  font-family:var(--font-serif);font-size:30px;font-weight:700;
  margin-bottom:20px;background:var(--white);
}
.sauto-blank h3{font-size:19px;margin-bottom:12px}
.sauto-blank p{font-size:13.5px;line-height:1.9;color:var(--gray)}

/* ---------- 深色公差表 ---------- */
.sauto-spec{position:relative;overflow:hidden}
.sauto-spec-wrap{
  display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:stretch;
}
.sauto-spec-wrap table{
  width:100%;border-collapse:collapse;
  border:1px solid rgba(217,190,133,.22);border-radius:14px;overflow:hidden;
  background:rgba(255,255,255,.03);
}
.sauto-spec-wrap caption{
  text-align:left;font-family:var(--font-serif);font-size:17px;color:#EDE7D6;
  padding:22px 24px 8px;
}
.sauto-spec-wrap th,.sauto-spec-wrap td{
  text-align:left;padding:12px 16px;font-size:14px;
  border-bottom:1px dashed rgba(217,190,133,.25);
}
.sauto-spec-wrap th{color:var(--gold-2);width:170px;font-weight:600}
.sauto-spec-wrap td{color:#D8D4C8}
.sauto-spec-wrap tbody tr:hover td{background:rgba(217,190,133,.06)}
.sauto-spec-side{
  border:1px solid rgba(217,190,133,.22);border-radius:14px;
  padding:28px;background:rgba(255,255,255,.03);
}
.sauto-spec-side h3{color:#fff;font-size:18px;margin-bottom:14px}
.sauto-spec-side p{font-size:13.5px;line-height:1.9;color:#B7B3A8;margin-bottom:8px}
.sauto-spec-side p b{color:var(--gold-2)}
.sauto-spec-side .btn{margin-top:12px}
.sauto-spec .btn-line{color:#E9E3CD;border-color:rgba(217,190,133,.45)}
.sauto-spec .btn-line:hover{border-color:var(--gold-2);color:#fff;background:rgba(217,190,133,.12)}

/* ---------- 做法：左文右图 ---------- */
.sauto-how-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.sauto-how-item{padding:16px 0;border-bottom:1px solid var(--line)}
.sauto-how-item:last-child{border-bottom:0}
.sauto-how-item h3{font-size:18px;margin-bottom:8px}
.sauto-how-item p{font-size:14px;line-height:1.95;color:var(--gray)}
.sauto-how-item a{color:var(--gold-3);font-weight:600;border-bottom:1px dashed var(--gold)}
.sauto-how-media img{border-radius:16px;box-shadow:var(--shadow)}
.sauto-how-media figcaption{
  margin-top:14px;font-size:12.5px;color:var(--gray);letter-spacing:1px;
  padding-left:14px;border-left:2px solid var(--gold);
}

/* ---------- 案例三卡 ---------- */
.sauto-cases{background:var(--white)}
.sauto-case-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sauto-case{
  display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:var(--mist);transition:all .35s ease;
}
.sauto-case:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-2)}
.sauto-case img{width:100%;height:180px;object-fit:cover}
.sauto-case div{padding:20px 22px 22px}
.sauto-case span{
  display:inline-block;font-size:11.5px;letter-spacing:2px;color:var(--gold-3);
  border:1px solid var(--gold);padding:2px 10px;border-radius:20px;margin-bottom:10px;
}
.sauto-case h3{font-size:16.5px;line-height:1.6;margin-bottom:8px}
.sauto-case p{font-size:13px;color:var(--gray);line-height:1.85}

/* ---------- CTA ---------- */
.sauto-cta{
  background:linear-gradient(150deg,#26292F,#1B1E23 60%,#242119 100%);
  padding:90px 0;position:relative;overflow:hidden;
}
.sauto-cta::before{
  content:"";position:absolute;left:-50px;bottom:-50px;width:240px;height:240px;
  border:1px solid rgba(217,190,133,.22);transform:rotate(45deg);
}
.sauto-cta-inner{position:relative;max-width:840px}
.sauto-cta h2{color:#fff;font-size:32px;margin-bottom:18px}
.sauto-cta p{color:#C6C2B4;font-size:15px;line-height:2}
.sauto-cta a{color:var(--gold-2);border-bottom:1px dashed var(--gold-2)}
.sauto-cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin:28px 0 14px}
.sauto-cta .btn-line{color:#E9E3CD;border-color:rgba(217,190,133,.45)}
.sauto-cta .btn-line:hover{border-color:var(--gold-2);color:#fff;background:rgba(217,190,133,.12)}
.sauto-cta-note{font-size:13.5px;color:#9A968C}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .sauto-blanks{grid-template-columns:1fr;gap:20px}
  .sauto-spec-wrap{grid-template-columns:1fr}
  .sauto-how-inner{grid-template-columns:1fr;gap:36px}
  .sauto-case-row{grid-template-columns:1fr;gap:18px}
}
@media (max-width:640px){
  .sauto-cta h2{font-size:24px}
}