/* ============================================================
   解决方案页 · solution.html
   与 about-us / our-services 同框架（homepage-v3 + about-page）
   设计：简洁 · 科技感 · 绿色的品牌体系
   ============================================================ */

/* ---------- 货物类型卡片（Maersk 图片卡风格） ---------- */
.cargo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}
.cargo-card {
  position: relative;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 0;
  overflow: hidden;
  transition: transform .4s cubic-bezier(.22,.61,.36,1), box-shadow .4s ease;
}
.cargo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 44px -24px rgba(31,56,38,.35);
}
.cargo-media {
  position: relative;
  margin: 0;
  padding: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gray-100);
}
.cargo-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.22,.61,.36,1);
}
.cargo-card:hover .cargo-media img { transform: scale(1.05); }
.cargo-body {
  padding: 22px 24px 26px;
}
.cargo-name {
  font-family: 'MiSans','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--gray-900);
  margin: 0 0 10px;
  letter-spacing: .01em;
}
.cargo-desc {
  color: var(--text-body);
  line-height: 1.75;
  font-size: .95rem;
  margin: 0;
}

/* ---------- 货物体系 ---------- */
.solution-cargo { padding: var(--sp-9) 0 var(--sp-5) 0; }

/* ---------- 方案优势（Maersk 风格：3×2 图标网格、纯线条图标、无卡片背景） ---------- */
.solution-advantage { background: #ffffff; padding: var(--sp-5) 0; }
.solution-advantage .section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-8);
}
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 56px;
  max-width: 1100px;
  margin: 0 auto;
}
.advantage-card {
  text-align: center;
  padding: 0 8px;
  background: transparent;
  border: none;
  transition: none;
}
.advantage-card:hover {
  transform: none;
  box-shadow: none;
}
.advantage-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-900);
  background: transparent;
  border: none;
}
.advantage-icon svg { width: 48px; height: 48px; }
.advantage-card h4 {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.advantage-card p {
  color: var(--text-body);
  line-height: 1.75;
  font-size: .88rem;
  max-width: 280px;
  margin: 0 auto;
}

/* ---------- 服务流程（Maersk 风格：纯线条图标、无卡片背景、无连接线） ---------- */
.solution-flow { background: #ffffff; padding: var(--sp-5) 0 var(--sp-7) 0; }
.solution-flow .section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--sp-8);
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px 40px;
  max-width: 1100px;
  margin: 0 auto;
}
.flow-step {
  position: relative;
  text-align: center;
  padding: 0 8px;
  background: transparent;
  border: none;
  border-radius: 0;
}
.flow-step::after { display: none; }
.flow-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-900);
  background: transparent;
  border: none;
}
.flow-icon svg { width: 48px; height: 48px; }
.flow-step h4 { font-size: 1.1rem; font-weight: 400; color: var(--gray-900); margin-bottom: 10px; }
.flow-step p { color: var(--text-body); font-size: .88rem; line-height: 1.75; max-width: 240px; margin: 0 auto; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .advantage-grid { grid-template-columns: repeat(2, 1fr); gap: 48px 32px; }
  .cargo-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 48px 40px; }
}
@media (max-width: 560px) {
  .advantage-grid { grid-template-columns: 1fr; gap: 36px; }
  .advantage-icon { width: 56px; height: 56px; }
  .advantage-icon svg { width: 40px; height: 40px; }
  .cargo-grid, .flow-grid { grid-template-columns: 1fr; }
  .flow-grid { gap: 36px; }
  .flow-icon { width: 56px; height: 56px; }
  .flow-icon svg { width: 40px; height: 40px; }
  .cargo-body { padding: 18px 20px 22px; }
}