/* =====================================================================
   食品行业页 · shipin.css
   布局：左文右图简介 + 三个大数字价值列 + 纵向时间线功能 + 交错案例行 + 编号FAQ
   点缀色：暖橙 #F97316 / 番茄红 #EF4444（食品食欲感）
   ===================================================================== */

.banner-sp{background-image:url('../images/banner-value.jpg')}

/* ---------- 左文右图 ---------- */
.sp-intro-sec{background:#fff}
.sp-intro-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.sp-intro-text h2{font-size:clamp(24px,2.8vw,34px);margin:0 0 18px;line-height:1.35}
.sp-intro-text p{color:var(--c-text-2);margin-bottom:16px}
.sp-points{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.sp-points li{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--c-primary);font-size:15px}
.sp-points svg{width:20px;height:20px;fill:#F97316;flex-shrink:0}
.sp-intro-media{position:relative}
.sp-intro-media img{border-radius:var(--radius-lg);aspect-ratio:3/2;object-fit:cover;box-shadow:var(--shadow-lg)}
.sp-intro-media::before{content:"";position:absolute;inset:-18px 18px 18px -18px;border:2px dashed #FDBA74;border-radius:var(--radius-lg);z-index:-1}

/* ---------- 大数字价值列 ---------- */
.sp-value-sec{background:var(--c-ice-2)}
.sp-value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sp-value{
  position:relative;background:#fff;border-radius:var(--radius-lg);padding:44px 32px 38px;
  box-shadow:var(--shadow);overflow:hidden;transition:transform var(--trans),box-shadow var(--trans);
}
.sp-value:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.sp-value-num{
  position:absolute;right:20px;top:8px;font-size:88px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:2px #FDBA74;opacity:.7;
}
.sp-value h3{font-size:19px;margin:34px 0 10px;position:relative;padding-left:16px}
.sp-value h3::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:linear-gradient(#F97316,#EF4444)}
.sp-value p{color:var(--c-text-2);font-size:14.5px;margin:0}

/* ---------- 纵向时间线 ---------- */
.sp-feat-sec{background:#fff}
.sp-timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.sp-timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:3px;background:linear-gradient(#F97316,#EF4444,#F59E0B,#0EA5E9);border-radius:3px}
.sp-tl-item{position:relative;padding:0 0 26px}
.sp-tl-item:last-child{padding-bottom:0}
.sp-tl-dot{position:absolute;left:-34px;top:6px;width:25px;height:25px;border-radius:50%;border:5px solid #fff;box-shadow:0 0 0 2.5px currentColor}
.sd1{background:#F97316;color:#F97316}.sd2{background:#EF4444;color:#EF4444}
.sd3{background:#F59E0B;color:#F59E0B}.sd4{background:#0EA5E9;color:#0EA5E9}
.sp-tl-card{
  background:var(--c-ice-2);border-radius:14px;padding:20px 26px;transition:transform var(--trans),box-shadow var(--trans);
}
.sp-tl-card:hover{transform:translateX(8px);box-shadow:var(--shadow)}
.sp-tl-card h3{font-size:17.5px;margin-bottom:6px;color:var(--c-primary)}
.sp-tl-card p{color:var(--c-text-2);font-size:14.5px;margin:0}

/* ---------- 交错案例行 ---------- */
.sp-case-sec{background:var(--c-ice-2)}
.sp-cases{display:grid;gap:30px}
.sp-case-row{
  display:grid;grid-template-columns:1.15fr 1fr;gap:0;background:#fff;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:box-shadow var(--trans),transform var(--trans);align-items:stretch;
}
.sp-case-row:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.sp-case-img img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover;min-height:280px}
.sp-case-info{padding:36px 38px;display:flex;flex-direction:column;justify-content:center}
.sp-flip .sp-case-img{order:2}
.sp-case-tag{
  align-self:flex-start;font-size:12.5px;font-weight:700;color:#fff;background:linear-gradient(90deg,#F97316,#EF4444);
  border-radius:999px;padding:4px 14px;margin-bottom:14px;letter-spacing:1px;
}
.sp-case-info h3{font-size:21px;margin-bottom:10px}
.sp-case-info p{color:var(--c-text-2);font-size:14.5px;margin:0 0 16px}
.sp-case-link{color:#F97316;font-size:14.5px;letter-spacing:.5px}

/* ---------- FAQ 编号卡 ---------- */
.sp-faq-sec{background:#fff}
.sp-faq{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.sp-faq-item{
  background:var(--c-ice-2);border:1px solid var(--c-line);border-radius:16px;padding:24px 28px;transition:border-color var(--trans),box-shadow var(--trans);
}
.sp-faq-item[open]{border-color:#FDBA74;box-shadow:var(--shadow)}
.sp-faq-item summary{list-style:none;display:flex;align-items:flex-start;gap:12px;cursor:pointer;font-weight:700;color:var(--c-primary);font-size:16px;line-height:1.5}
.sp-faq-item summary::-webkit-details-marker{display:none}
.sp-faq-item summary::before{
  content:"Q";flex-shrink:0;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#F97316,#EF4444);
  color:#fff;font-size:14px;display:flex;align-items:center;justify-content:center;font-weight:800;margin-top:2px;
}
.sp-faq-item summary i{display:none}
.sp-faq-item p{margin:14px 0 0 38px;color:var(--c-text-2);font-size:14.5px;line-height:1.8}

/* 移动端当前行业高亮 */
.mnav-sub a.cur{color:var(--c-accent)!important;font-weight:700!important}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .sp-intro-wrap{grid-template-columns:1fr;gap:44px}
  .sp-intro-media::before{inset:-12px 12px 12px -12px}
  .sp-value-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .sp-case-row{grid-template-columns:1fr}
  .sp-flip .sp-case-img{order:0}
  .sp-faq{grid-template-columns:1fr}
}