/* 外贸行业页独有样式 */

/* 1. Hero：左文右大图 */
.trd-hero {
  position: relative;
  padding: calc(var(--header-h) + var(--topbar-h) + 60px) 0 80px;
  background: linear-gradient(140deg, #FDF3DC 0%, var(--cream) 55%, #E8E0D0 100%);
  overflow: hidden;
}
.trd-hero-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center;
}
.trd-breadcrumb { font-size: .86rem; color: var(--ink-3); margin-bottom: 16px; }
.trd-hero-txt h1 { margin-bottom: 18px; }
.trd-hero-sub { font-size: 1.05rem; margin-bottom: 28px; max-width: 520px; }
.trd-hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.trd-hero-tip { font-size: .88rem; color: var(--ink-3); }
.trd-hero-fig img {
  border-radius: var(--radius); aspect-ratio: 16/10; object-fit: cover;
  box-shadow: var(--clay-shadow-lg);
}

/* 2. 现状宽幅文字 */
.trd-status-txt { max-width: 820px; margin: 0 auto; text-align: center; }
.trd-status-txt h2 { margin-bottom: 20px; }
.trd-status-txt p { margin-bottom: 16px; font-size: 1rem; }

/* 3. 痛点三栏卡片 */
.trd-pain-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.trd-pain-card {
  background: var(--white); border-radius: var(--radius); padding: 30px 26px;
  box-shadow: var(--clay-shadow-sm); border-top: 5px solid var(--ink);
}
.trd-pain-card h3 { margin-bottom: 10px; font-size: 1.05rem; }
.trd-pain-card p { font-size: .92rem; }

/* 4. 方案横向一排 */
.trd-plans { background: var(--cream-2); }
.trd-plans-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.trd-plan-card {
  background: var(--white); border-radius: var(--radius); padding: 32px 24px 28px;
  box-shadow: var(--clay-shadow-sm); position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.trd-plan-card:hover { transform: translateY(-6px); box-shadow: var(--clay-shadow); }
.trd-plan-num {
  display: block; width: 52px; height: 52px; border-radius: 50%;
  background: var(--ink); color: var(--cream); font-weight: 800; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; box-shadow: var(--clay-shadow-sm);
}
.trd-plan-card h3 { margin-bottom: 10px; font-size: 1.02rem; }
.trd-plan-card p { font-size: .88rem; }

/* 5. 案例入口 */
.trd-case-band {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--clay-shadow);
}
.trd-case-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.trd-case-txt {
  padding: 48px 44px; background: linear-gradient(160deg, #FDF6E4, var(--yellow));
  display: flex; flex-direction: column; justify-content: center;
}
.trd-case-txt h2 { margin-bottom: 14px; }
.trd-case-txt p { margin-bottom: 24px; }

/* 6. 功能网格 */
.trd-feat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.trd-feat-item {
  background: var(--white); border-radius: var(--radius-sm); padding: 24px 20px;
  box-shadow: var(--clay-shadow-sm); text-align: center;
  border-bottom: 4px solid var(--ink);
}
.trd-feat-item b { display: block; margin-bottom: 6px; color: var(--ink); font-size: .95rem; }
.trd-feat-item span { font-size: .85rem; color: var(--ink-2); }

/* 7. FAQ */
.trd-faq-wrap { max-width: 820px; margin: 0 auto; }
.trd-faq-item {
  background: var(--white); border-radius: var(--radius-sm);
  padding: 22px 26px; margin-bottom: 14px; box-shadow: var(--clay-shadow-sm);
}
.trd-faq-item summary {
  font-weight: 700; cursor: pointer; color: var(--ink);
  list-style: none; position: relative; padding-right: 30px;
}
.trd-faq-item summary::-webkit-details-marker { display: none; }
.trd-faq-item summary::after {
  content: "+"; position: absolute; right: 0; top: 0;
  font-size: 1.3rem; color: var(--green-3); font-weight: 400;
}
.trd-faq-item[open] summary::after { content: "−"; }
.trd-faq-item p { margin-top: 12px; font-size: .94rem; }

/* 8. CTA */
.trd-cta-band {
  text-align: center; max-width: 760px; margin: 0 auto 40px;
  background: linear-gradient(160deg, #4A4238, #5B5346);
  padding: 56px 40px; border-radius: var(--radius); box-shadow: var(--clay-shadow);
}
.trd-cta-band h2 { color: #FFF9EF; margin-bottom: 14px; }
.trd-cta-band p { color: rgba(255,249,239,.8); margin-bottom: 20px; }
.trd-cta-links { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.trd-cta-tip { font-size: .88rem; color: rgba(255,249,239,.6); }
.trd-more { text-align: center; font-size: .92rem; }
.trd-more span { color: var(--ink-3); margin-right: 8px; }
.trd-more a { margin: 0 8px; color: var(--green-3); font-weight: 600; }
.trd-more a:hover { color: var(--ink); }

/* 响应式 */
@media (max-width: 1024px) {
  .trd-hero-inner { grid-template-columns: 1fr; }
  .trd-pain-grid { grid-template-columns: 1fr; }
  .trd-plans-row { grid-template-columns: repeat(2, 1fr); }
  .trd-case-band { grid-template-columns: 1fr; }
  .trd-feat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .trd-plans-row { grid-template-columns: 1fr; }
  .trd-feat-grid { grid-template-columns: 1fr; }
}