/* 忞邸国际家居 - 案例详情页样式 */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --gold: #c9a96e;
  --gold-light: #d9bc8c;
  --black: #0a0a0a;
  --dark1: #141414;
  --dark2: #1a1a1a;
  --dark3: #1f1f1f;
  --white: #f5f3ef;
  --white-dim: #b8b3a8;
  --white-faint: #6b6660;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --serif: "Playfair Display", "Songti SC", "STSong", serif;
}

html, body {
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

/* 导航 */
.case-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,169,110,0.15);
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.case-nav-back, .case-nav-cta {
  color: var(--gold);
  text-decoration: none;
  font-size: .88rem;
  letter-spacing: .08em;
  padding: 6px 14px;
  border: 1px solid rgba(201,169,110,0.3);
  transition: all .3s;
}
.case-nav-back:hover, .case-nav-cta:hover { background: var(--gold); color: var(--black); }
.case-nav-brand {
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: .12em;
  color: var(--white);
}

/* Hero */
.case-hero {
  padding: 100px 40px 80px;
  background: linear-gradient(135deg, var(--dark1) 0%, var(--black) 100%);
  border-bottom: 1px solid rgba(201,169,110,0.1);
}
.case-hero-inner { max-width: 1080px; margin: 0 auto; }
.case-breadcrumb {
  font-size: .78rem;
  color: var(--white-faint);
  letter-spacing: .08em;
  margin-bottom: 24px;
}
.case-breadcrumb a { color: var(--white-dim); text-decoration: none; }
.case-breadcrumb a:hover { color: var(--gold); }
.case-style-tag-large {
  display: inline-block;
  background: rgba(201,169,110,0.12);
  color: var(--gold);
  padding: 6px 16px;
  font-size: .78rem;
  letter-spacing: .18em;
  margin-bottom: 24px;
}
.case-h1 {
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 20px;
}
.case-h1 em { color: var(--gold); font-style: normal; }
.case-style-en {
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--white-faint);
  margin-bottom: 16px;
  font-family: var(--sans);
}
.case-lead {
  color: var(--white-dim);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 720px;
}
.case-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(201,169,110,0.15);
}
.case-meta-item { font-size: .88rem; color: var(--white-dim); }
.case-meta-item strong {
  display: block;
  color: var(--gold);
  font-size: .72rem;
  letter-spacing: .12em;
  font-weight: 500;
  margin-bottom: 4px;
}

/* Section */
.case-section-inner { max-width: 1080px; margin: 0 auto; padding: 0 40px; }
.case-section-label {
  color: var(--gold);
  font-size: .72rem;
  letter-spacing: .25em;
  margin-bottom: 16px;
}
.case-section-title {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 400;
  margin-bottom: 50px;
  line-height: 1.3;
}
.case-section-title em { color: var(--gold); font-style: normal; }
.case-section-desc {
  color: var(--white-dim);
  font-size: .88rem;
  margin-bottom: 40px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* Gallery - 实拍图集 */
.case-gallery { padding: 100px 0; background: var(--dark); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.gallery-hero {
  grid-column: 1 / -1;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(201,169,110,0.15);
  background: var(--dark3);
}
.gallery-hero img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  filter: brightness(0.96) contrast(1.04) saturate(0.92);
  transition: transform .5s ease;
}
.gallery-hero:hover img { transform: scale(1.02); }
.gallery-item {
  overflow: hidden;
  border: 1px solid rgba(201,169,110,0.12);
  background: var(--dark3);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: brightness(0.96) contrast(1.02) saturate(0.9);
  transition: transform .5s ease;
}
.gallery-item:hover img { transform: scale(1.03); }

.gallery-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.gallery-grid-2col .gallery-item img { aspect-ratio: 3/4; }

/* Compare */
.case-compare { padding: 100px 0; }
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.compare-block { position: relative; }
.compare-block img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: brightness(0.96) contrast(1.04) saturate(0.92);
}
.compare-label {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0,0,0,0.7);
  color: var(--white);
  padding: 6px 14px;
  font-size: .72rem;
  letter-spacing: .18em;
}
.compare-label.after { background: var(--gold); color: var(--black); font-weight: 600; }
.compare-note {
  margin-top: 16px;
  color: var(--white-dim);
  font-size: .88rem;
  line-height: 1.7;
}

/* Config */
.case-config { padding: 100px 0; background: var(--dark1); }
.config-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}
.config-table th {
  text-align: left;
  padding: 14px 16px;
  background: var(--dark3);
  color: var(--gold);
  font-size: .78rem;
  letter-spacing: .12em;
  font-weight: 500;
  border-bottom: 1px solid rgba(201,169,110,0.2);
}
.config-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--white-dim);
  font-size: .88rem;
}
.config-table tbody tr:hover { background: rgba(201,169,110,0.04); }
.config-foot-label { text-align: right; color: var(--white-dim); }
.config-foot-price { text-align: right; color: var(--white); font-family: var(--serif); font-size: 1rem; }
.config-foot-label.total, .config-foot-price.total {
  border-top: 1px solid rgba(201,169,110,0.3);
  padding-top: 18px;
  color: var(--gold);
  font-size: 1.1rem;
}
.config-foot-price.total strong { font-weight: 500; font-size: 1.4rem; }
.config-note {
  color: var(--white-faint);
  font-size: .8rem;
  padding: 16px;
  background: rgba(201,169,110,0.05);
  border-left: 3px solid var(--gold);
}

/* Quote */
.case-quote { padding: 100px 0; }
.case-bigquote {
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1.7;
  color: var(--white);
  padding: 40px 50px;
  background: var(--dark3);
  border-left: 4px solid var(--gold);
  font-style: italic;
  font-weight: 300;
}
.case-bigquote footer {
  margin-top: 24px;
  font-size: .82rem;
  color: var(--white-faint);
  font-family: var(--sans);
  font-style: normal;
  letter-spacing: .08em;
}

/* CTA */
.case-cta-block { padding: 80px 0 100px; background: var(--dark1); }
.case-cta-desc {
  color: var(--white-dim);
  font-size: 1rem;
  margin-bottom: 32px;
}
.case-cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-gold, .btn-outline {
  display: inline-block;
  padding: 14px 36px;
  font-size: .9rem;
  letter-spacing: .12em;
  text-decoration: none;
  border: 1px solid var(--gold);
  transition: all .3s;
  cursor: pointer;
  font-family: var(--sans);
}
.btn-gold { background: var(--gold); color: var(--black); }
.btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); }
.btn-outline { background: transparent; color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: var(--black); }

/* Footer */
.case-footer {
  padding: 36px 40px;
  border-top: 1px solid rgba(201,169,110,0.15);
  text-align: center;
  color: var(--white-faint);
  font-size: .8rem;
  letter-spacing: .05em;
}

/* 移动端 */
@media (max-width: 768px) {
  .case-h1 { font-size: 2rem; }
  .case-section-title { font-size: 1.5rem; }
  .compare-grid { grid-template-columns: 1fr; }
  .config-table { font-size: .78rem; }
  .config-table th, .config-table td { padding: 10px 8px; }
  .case-bigquote { font-size: 1.1rem; padding: 28px 24px; }
  .case-meta-row { gap: 18px; }
  .case-nav { padding: 12px 20px; }
  .case-nav-brand { font-size: .82rem; }
  .case-section-inner { padding: 0 20px; }
  .case-hero { padding: 60px 20px 50px; }
  .gallery-grid { grid-template-columns: 1fr; }
}