/* ============ 案例详情页 case-detail ============ */
/* token（--gold/--brown/--cream/--muted/--border）由 clients.css 提供 */

/* Hero */
.cd-hero {
  position: relative;
  padding: 150px 0 90px;
  background-color: #2c1810;
  background-image: linear-gradient(150deg, #2c1810, #1d0f08);
  color: #fff;
  overflow: hidden;
}
.cd-hero::before {
  content: '';
  position: absolute;
  right: -180px;
  top: -180px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,150,62,0.22) 0%, rgba(200,150,62,0) 65%);
  pointer-events: none;
}
.cd-hero::after {
  content: '';
  position: absolute;
  left: -120px;
  bottom: -220px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,150,62,0.12) 0%, rgba(200,150,62,0) 65%);
  pointer-events: none;
}
.cd-wrap { max-width: 1000px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

.cd-breadcrumb { font-size: 13px; color: rgba(250,248,245,0.5); margin-bottom: 26px; }
.cd-breadcrumb a { color: rgba(250,248,245,0.75); text-decoration: none; transition: color .2s; }
.cd-breadcrumb a:hover { color: #e8c98a; }
.cd-breadcrumb i { font-style: normal; margin: 0 10px; opacity: 0.45; }
.cd-breadcrumb span { color: rgba(250,248,245,0.85); }

.cd-tags { display: flex; gap: 8px; margin-bottom: 16px; }
.cd-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(200,150,62,0.18);
  border: 1px solid rgba(200,150,62,0.5);
  color: #e8c98a;
  letter-spacing: 1px;
}
.cd-tag--region {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.28);
  color: rgba(255,255,255,0.88);
}
.cd-hero h1 {
  font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
  font-size: 38px;
  font-weight: 800;
  line-height: 1.35;
  color: #fff;
  margin: 0 0 14px;
}
.cd-top {
  font-size: 17px;
  color: rgba(250,248,245,0.78);
  letter-spacing: 2px;
  margin: 0;
}

/* Main */
.cd-main { background: var(--cream); padding: 0 0 100px; }

/* 指标卡（悬浮于 hero 与正文之间） */
.cd-metrics {
  display: flex;
  gap: 20px;
  max-width: 720px;
  margin: -36px auto 44px;
  position: relative;
  z-index: 2;
  padding: 0 24px;
}
.cd-metric {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px 18px;
  text-align: center;
  box-shadow: 0 12px 34px rgba(44,24,16,0.07);
}
.cd-metric-num {
  font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
  font-size: 30px;
  font-weight: 800;
  color: var(--gold-dark);
  line-height: 1.2;
}
.cd-metric-label { font-size: 13px; color: var(--muted); margin-top: 6px; }

/* 正文卡片 */
.cd-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 48px 52px;
  box-shadow: 0 6px 24px rgba(44,24,16,0.03);
}
.cd-block + .cd-block { margin-top: 40px; padding-top: 40px; border-top: 1px dashed var(--border); }
.cd-block-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.cd-block-no {
  font-size: 13px;
  font-weight: 700;
  color: var(--gold-dark);
  background: rgba(200,150,62,0.1);
  border-radius: 8px;
  padding: 4px 10px;
  letter-spacing: 2px;
}
.cd-block h2 {
  font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--brown);
  margin: 0;
}
.cd-block p { font-size: 15.5px; line-height: 2.05; color: #4a3f36; margin: 0; text-align: justify; }

/* 正文小标题（纯 h3/p 结构，后台编辑器友好） */
.cd-block h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--brown);
  margin: 26px 0 10px;
  line-height: 1.6;
}
.cd-block h3:first-child { margin-top: 0; }

/* CTA */
.cd-cta {
  margin-top: 48px;
  background: linear-gradient(135deg, #2c1810, #241109);
  border-radius: 18px;
  padding: 40px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cd-cta::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,150,62,0.25) 0%, rgba(200,150,62,0) 65%);
}
.cd-cta p {
  font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
  font-size: 18px;
  color: rgba(250,248,245,0.9);
  margin: 0 0 22px;
  position: relative;
}
.cd-cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }
.cd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all .2s;
}
.cd-btn--primary { background: var(--gold); color: #fff; }
.cd-btn--primary:hover { background: var(--gold-light); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(200,150,62,0.35); }
.cd-btn--ghost { border: 1px solid rgba(200,150,62,0.6); color: #e8c98a; }
.cd-btn--ghost:hover { background: rgba(200,150,62,0.12); }

/* 上一页 / 下一页 */
.cd-nav { display: flex; gap: 14px; margin-top: 36px; align-items: stretch; }
.cd-nav-btn {
  flex: 1;
  min-width: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  text-decoration: none;
  transition: all .2s;
}
.cd-nav-btn:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(44,24,16,0.07); }
.cd-nav-btn--next { text-align: right; align-items: flex-end; }
.cd-nav-dir { font-size: 12px; font-weight: 700; color: var(--gold-dark); letter-spacing: 2px; }
.cd-nav-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--brown);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.cd-nav-btn.disabled { opacity: 0.45; pointer-events: none; }
.cd-nav-back {
  display: inline-flex;
  align-items: center;
  align-self: center;
  padding: 0 24px;
  height: 44px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: all .2s;
}
.cd-nav-back:hover { border-color: var(--gold); color: var(--gold-dark); }

/* 响应式 */
@media screen and (max-width: 768px) {
  .cd-hero { padding: 120px 0 70px; }
  .cd-hero h1 { font-size: 26px; }
  .cd-top { font-size: 15px; }
  .cd-metrics { flex-direction: column; gap: 12px; margin-top: -28px; }
  .cd-card { padding: 30px 22px; border-radius: 16px; }
  .cd-block p { font-size: 14.5px; line-height: 1.95; }
  .cd-cta { padding: 30px 20px; }
  .cd-nav { flex-direction: column; }
  .cd-nav-back { align-self: center; }
  .cd-nav-btn--next { text-align: left; align-items: flex-start; }
}