/* 业务与解决方案页样式 */

.svc-list { margin-top: 36px; border-top: 1px solid var(--line); }

.svc {
  display: grid;
  grid-template-columns: 76px 1.05fr 1fr;
  gap: 24px;
  padding: 26px 8px;
  border-bottom: 1px solid var(--line);
  /* 顶部信息条 + 固定导航的高度：从首页跳 #process / #quality 时
     标题不会被导航压住（手机端信息条更高，留 110px 更稳妥） */
  scroll-margin-top: 110px;
  transition: background-color 0.25s ease;
}

.svc:hover { background: rgba(232, 244, 250, 0.42); }

.svc-idx {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--brand);
  padding-top: 6px;
}

.svc h2 { font-size: 23px; }
.svc h2 a { text-decoration: none; color: var(--ink); transition: color 0.2s ease; }
.svc h2 a:hover { color: var(--brand-strong); }
.svc .svc-desc { margin-top: 12px; font-size: 15px; color: var(--muted); line-height: 1.8; }

.svc-points { display: flex; flex-direction: column; gap: 10px; }

.svc-points li {
  list-style: none;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14.5px;
  color: #3f5566;
  line-height: 1.7;
}

.svc-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--brand);
  flex-shrink: 0;
}

/* 合作流程 */
.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 22px;
  border-top: 2px solid var(--ink);
}

.flow-step {
  padding: 20px 20px 6px;
  border-right: 1px solid var(--line);
  transition: background-color 0.25s ease;
}

.flow-step:last-child { border-right: 0; }
.flow-step:hover { background: rgba(232, 244, 250, 0.55); }

.flow-idx {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--brand);
}

.flow-step h3 { margin-top: 12px; font-size: 17px; }
.flow-step p { margin-top: 10px; font-size: 14px; color: var(--muted); }

.svc-figure { margin: 26px 0 0; }
.svc-figure img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius-lg); box-shadow: 0 20px 40px rgba(11, 30, 46, 0.12); }
.svc-figure figcaption { margin-top: 12px; font-size: 13px; color: var(--muted); }

/* 说明条 */
.svc-note {
  margin-top: 30px;
  padding: 20px 24px;
  background: var(--brand-soft);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14.5px;
  color: #3f5566;
}

@media (max-width: 980px) {
  .svc { grid-template-columns: 1fr; gap: 14px; padding: 30px 4px; }
  .svc-idx { padding-top: 0; }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow-step:nth-child(2) { border-right: 0; }
  .flow-step:nth-child(1),
  .flow-step:nth-child(2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .flow { grid-template-columns: 1fr; }
  .flow-step { border-right: 0; border-bottom: 1px solid var(--line); }
  .flow-step:last-child { border-bottom: 0; }
}

@media (max-width: 640px) {
  .svc-figure { margin-top: 26px; }
}

/* ---------- 典型工件：六张工件图 ---------- */
.part-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.part-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.part-card:hover {
  transform: translateY(-3px);
  border-color: #a9d9ec;
  box-shadow: var(--shadow-md);
}

.part-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface);
}

.part-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.part-card:hover .part-media img { transform: scale(1.04); }

.part-card figcaption {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px 16px;
}

.part-name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
}

.part-craft {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--brand-strong);
}

@media (max-width: 980px) {
  .part-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .part-grid { grid-template-columns: 1fr; gap: 12px; }
  .part-card figcaption { padding: 12px 14px 14px; }
}