/* =============================================================
   case-foreign-trade.css —— 外贸网站案例详情专属样式
   骨架：左文右港口图首屏 + chips → 窄栏背景 → 多语言标签mockup
        → 左文右SEO清单 → 三段式询盘对比 → 深色信任条
        → 效果数据 → 评价 → 互链 → CTA
   ============================================================= */

main{padding-top:calc(var(--header-h) + var(--topbar-h))}

/* 深色区块上的 section-tag 配色（替代内联样式） */
.section-tag--light{color:var(--earth-light)}
.section-tag--light::before{background:var(--earth-light)}

/* ---------- 1. 首屏 ---------- */
.ft-hero{padding:56px 0 72px;background:
  linear-gradient(120deg, var(--paper) 60%, var(--paper-deep) 100%)}
.ft-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.ft-hero-kicker{font-size:12.5px;letter-spacing:.3em;color:var(--earth-deep);margin:20px 0 14px}
.ft-hero-title{font-size:clamp(32px,4.6vw,50px);line-height:1.24;margin-bottom:18px}
.ft-hero-sub{font-size:15.5px;color:var(--ink-soft);line-height:1.95;max-width:560px;margin-bottom:26px}
.ft-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.ft-hero-chips{display:flex;gap:10px;flex-wrap:wrap}
.ft-hero-photo{position:relative}
.ft-hero-photo img{width:100%;box-shadow:var(--shadow);border:1px solid var(--line)}
.ft-hero-phototag{
  position:absolute;left:-20px;bottom:-16px;background:var(--dark);color:#EDE7DA;
  font-size:12.5px;padding:12px 18px;max-width:75%;
}

/* ---------- 2. 背景窄栏 ---------- */
.container--narrow{max-width:820px}
.container--narrow p{color:var(--ink-soft);line-height:2}
.ft-bullets{margin:18px 0}
.ft-bullets li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--ink-soft);line-height:1.9}
.ft-bullets li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--earth)}

/* ---------- 3. 多语言 mockup ---------- */
.ft-langmock{
  margin-top:18px;border:1px solid var(--line);background:var(--paper);
  box-shadow:var(--shadow-soft);
}
.ft-lang-tabs{display:flex;border-bottom:1px solid var(--line);background:var(--paper-deep)}
.ft-lang-tab{
  padding:14px 26px;font-size:13.5px;letter-spacing:.06em;color:var(--ink-soft);
  border-right:1px solid var(--line);cursor:default;
}
.ft-lang-tab.is-active{background:var(--paper);color:var(--earth-deep);font-weight:600;border-top:2px solid var(--earth)}
.ft-lang-body{padding:28px 30px}
.ft-lang-url{
  display:inline-block;font-size:12.5px;color:var(--ink-faint);background:var(--paper-deep);
  padding:6px 14px;border:1px solid var(--line);margin-bottom:20px;
}
.ft-lang-lines{display:grid;gap:10px;margin-bottom:18px}
.ft-lang-lines span{display:block;height:11px;background:var(--paper-dark);border-radius:1px}
.ft-lang-lines span:nth-child(1){width:88%}
.ft-lang-lines span:nth-child(2){width:64%}
.ft-lang-lines span:nth-child(3){width:74%}
.ft-lang-note{font-size:13.5px;color:var(--ink-soft);line-height:1.9}

/* ---------- 4. SEO 左右 ---------- */
.ft-seo-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.ft-seo-copy .lead{margin:14px 0 12px}
.ft-seo-copy p{color:var(--ink-soft);line-height:1.95;margin-bottom:12px}
.ft-seo-list{display:grid;gap:14px}
.ft-seo-list li{display:flex;gap:14px;background:var(--paper);border:1px solid var(--line);padding:18px 20px}
.ft-seo-list svg{width:19px;height:19px;flex:none;fill:var(--earth);margin-top:3px}
.ft-seo-list b{display:block;font-size:14.5px;margin-bottom:5px}
.ft-seo-list p{font-size:13px;color:var(--ink-soft);line-height:1.8}

/* ---------- 5. 询盘三段对比 ---------- */
.ft-inq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px}
.ft-inq{background:var(--paper);border:1px solid var(--line);padding:26px 22px;position:relative}
.ft-inq-no{
  display:inline-block;font-family:var(--font-serif);font-size:14px;letter-spacing:.15em;
  color:var(--earth-deep);border-bottom:2px solid var(--earth);padding-bottom:4px;margin-bottom:14px;
}
.ft-inq p{font-size:13.5px;color:var(--ink-soft);line-height:1.9}

/* ---------- 6. 深色信任条 ---------- */
.ft-trust-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(201,193,178,.15);border:1px solid rgba(201,193,178,.15)}
.ft-trust{background:var(--dark);padding:24px 18px}
.ft-trust b{display:block;font-size:14px;letter-spacing:.1em;color:var(--earth-light);margin-bottom:10px}
.ft-trust p{font-size:13px;color:#C9C1B2;line-height:1.8}

/* ---------- 7. 效果 ---------- */
.ft-result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:10px}
.ft-result{border:1px solid var(--line);background:var(--paper);padding:28px 22px;text-align:center}
.ft-result p:last-child{font-size:13px;color:var(--ink-soft);margin-top:12px;line-height:1.8}
.ft-result-note{margin-top:22px;text-align:center;font-size:12.5px;color:var(--ink-faint)}

/* ---------- 8. 评价 ---------- */
.ft-quote-sign{margin-top:16px;font-size:13.5px;color:var(--ink-faint)}

/* ---------- 9. 互链 ---------- */
.ft-related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ft-related{background:var(--paper);border:1px solid var(--line);padding:24px 20px;display:flex;flex-direction:column;gap:8px}
.ft-related h3{font-size:16.5px}
.ft-related p{font-size:13.5px;color:var(--ink-soft);line-height:1.8;flex:1}

/* ---------- 10. CTA ---------- */
.ft-cta-band{background:
  linear-gradient(120deg, var(--dark) 0%, var(--dark-soft) 100%)}
.ft-cta-title{font-size:clamp(24px,3vw,34px);color:#EFE9DC;margin:10px 0 10px}
.ft-cta-sub{color:#B9B1A2;margin-bottom:24px}
.ft-cta-wrap{display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center}
.ft-cta-contacts{display:flex;gap:14px;flex-wrap:wrap}
.ft-cta-contact{
  display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.05);
  border:1px solid rgba(201,193,178,.25);padding:12px 18px;
}
.ft-cta-contact svg{width:17px;height:17px;fill:var(--earth-light)}
.ft-cta-contact span{display:flex;flex-direction:column;line-height:1.3;font-size:14.5px;font-weight:600;color:#EFE9DC}
.ft-cta-contact small{font-size:11px;color:#9A9284;font-weight:400;letter-spacing:.1em}

/* ---------- 响应式 ---------- */
@media (max-width:991px){
  .ft-hero-grid{grid-template-columns:1fr;gap:36px}
  .ft-hero-phototag{position:static;max-width:none;margin-top:10px}
  .ft-seo-wrap{grid-template-columns:1fr;gap:32px}
  .ft-inq-grid,.ft-trust-grid{grid-template-columns:1fr}
  .ft-result-grid,.ft-related-grid{grid-template-columns:1fr 1fr}
  .ft-cta-wrap{grid-template-columns:1fr}
}
@media (max-width:560px){
  .ft-result-grid,.ft-related-grid{grid-template-columns:1fr}
  .ft-lang-tab{padding:12px 14px;font-size:12px}
}