/* 服务 / 4S 总览页 — 继承首页品牌样式，仅补本页组件 */

.s4s-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background: #fff;
}

.s4s-card {
  padding: 32px 28px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.s4s-card:nth-child(2n) {
  border-right: none;
}

.s4s-card:nth-child(n + 3) {
  border-bottom: none;
}

.s4s-card__num {
  display: block;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
}

.s4s-card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--ink);
}

.s4s-card p {
  margin: 0 0 10px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink-3);
}

.s4s-card__desc {
  margin: 0;
  min-height: calc(1.65em * 3);
}

.s4s-card__desc--4 {
  min-height: calc(1.65em * 4);
}

.s4s-card .btn {
  margin-top: 14px;
}

.s4s-boundary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
}

.s4s-boundary article {
  padding: 8px 0;
}

.s4s-boundary h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--ink);
}

.s4s-boundary p {
  margin: 0 0 10px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-3);
}

.s4s-boundary a {
  font-weight: 700;
  color: var(--primary);
}

@media (max-width: 860px) {
  .s4s-cards {
    grid-template-columns: 1fr;
  }

  .s4s-card {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .s4s-card:last-child {
    border-bottom: none;
  }

  .s4s-boundary {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}



.product-hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 340px;
  padding: 8px 0 28px;
}

.product-hero-visual img {
  width: min(100%, 560px);
  max-width: none;
  transform: translate(4%, -6%);
  filter: drop-shadow(0 24px 36px rgba(26, 26, 26, 0.16));
}

.product-hero-visual span {
  position: absolute;
  bottom: 4px;
  right: 4%;
  left: auto;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  white-space: nowrap;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.product-card {
  display: block;
  color: inherit;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s var(--ease);
}

.product-card:hover {
  border-color: rgba(208, 32, 0, 0.35);
  transform: translateY(-2px);
}

.product-card img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: #fafafa;
  padding: 16px;
}

.product-card__body {
  padding: 16px 18px 20px;
}

.product-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.product-card h3 {
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 6px;
}

.product-card p {
  font-size: 0.85rem;
  color: var(--ink-3);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .product-hero-visual {
    order: -1;
    min-height: 240px;
    justify-content: center;
    padding-bottom: 20px;
  }

  .product-hero-visual img {
    width: min(100%, 420px);
    transform: none;
  }

  .product-hero-visual span {
    right: 50%;
    transform: translateX(50%);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

/* S3 配件：缺图品类用图标区 */
/* S2 导购四环节 */
.daogou-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: 1040px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background: #fff;
}

.daogou-step {
  padding: 28px 22px;
  border-right: 1px solid var(--line);
}

.daogou-step:last-child {
  border-right: none;
}

.daogou-step__n {
  display: block;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
}

.daogou-step h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--ink);
}

.daogou-step p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--ink-3);
}

.daogou-step__link {
  margin-top: 14px !important;
}

.daogou-step__link a {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
}

.daogou-steps--3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .daogou-steps {
    grid-template-columns: 1fr 1fr;
  }

  .daogou-steps--3 {
    grid-template-columns: 1fr;
  }

  .daogou-steps--3 .daogou-step {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .daogou-steps--3 .daogou-step:last-child {
    border-bottom: none;
  }

  .daogou-step:nth-child(2n) {
    border-right: none;
  }

  .daogou-step:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 520px) {
  .daogou-steps {
    grid-template-columns: 1fr;
  }

  .daogou-step {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .daogou-step:last-child {
    border-bottom: none;
  }
}

.peijian-grid {
  grid-template-columns: repeat(4, 1fr);
}

.peijian-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 160px;
  background: #fafafa;
  border-bottom: 1px solid var(--line);
  color: var(--primary);
}

.peijian-card__media svg,
.peijian-card__media i {
  width: 40px;
  height: 40px;
  stroke-width: 1.5;
}

@media (max-width: 1024px) {
  .peijian-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .peijian-grid {
    grid-template-columns: 1fr;
  }
}