:root {
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --gold: #c9a14a;
  --gold-light: #e0c068;
  --gold-dark: #8a6d2f;
  --text-primary: #f5f5f0;
  --text-secondary: #a0a0a0;
  --text-muted: #666;
  --border: #2a2a2a;
  --border-gold: rgba(201, 161, 74, 0.3);
  --radius: 8px;
  --radius-lg: 16px;
  --max-width: 1280px;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-en: "Cormorant Garamond", "Times New Roman", serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-cn);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--gold); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--gold-light); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== NAV ========== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--gold);
}

.logo-text {
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 15px;
  letter-spacing: 1px;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--gold); }
.nav-links a.active::after { width: 100%; }

.nav-cta {
  padding: 8px 24px;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 1px;
  transition: all 0.3s;
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--bg-dark);
}

.mobile-toggle { display: none; font-size: 24px; color: var(--gold); cursor: pointer; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .mobile-toggle { display: block; }
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, rgba(10,10,10,0.92) 0%, rgba(26,21,16,0.88) 50%, rgba(10,10,10,0.92) 100%),
    url('images/factory/exterior-02.jpg') center/cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 40%, rgba(201, 161, 74, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 60%, rgba(201, 161, 74, 0.05) 0%, transparent 50%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--bg-dark));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 64px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.hero h1 .gold { color: var(--gold); }
.hero h1 .en {
  display: block;
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 6px;
  margin-top: 8px;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 14px 36px;
  background: var(--gold);
  color: var(--bg-dark);
  border-radius: var(--radius);
  font-size: 15px;
  letter-spacing: 1px;
  font-weight: 600;
  transition: all 0.3s;
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 161, 74, 0.3);
}

.btn-outline {
  padding: 14px 36px;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  color: var(--gold);
  font-size: 15px;
  letter-spacing: 1px;
  transition: all 0.3s;
}

.btn-outline:hover {
  background: rgba(201, 161, 74, 0.1);
  border-color: var(--gold);
}

@media (max-width: 768px) {
  .hero h1 { font-size: 40px; }
  .hero h1 .en { font-size: 24px; }
  .hero-desc { font-size: 16px; }
}

/* ========== SECTIONS ========== */
section {
  padding: 100px 0;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--gold-dark);
  letter-spacing: 4px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.section-title .gold { color: var(--gold); }

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 700px;
  margin-bottom: 60px;
}

@media (max-width: 768px) {
  section { padding: 60px 0; }
  .section-title { font-size: 30px; }
}

/* ========== STATS ========== */
.stats-section {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 20px;
}

.stat-number {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-number { font-size: 36px; }
}

/* ========== CRAFT ========== */
.craft-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.craft-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.craft-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 0;
  background: var(--gold);
  transition: height 0.4s;
}

.craft-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-gold);
  transform: translateY(-4px);
}

.craft-card:hover::before { height: 100%; }

.craft-icon {
  font-size: 36px;
  margin-bottom: 20px;
}

.craft-img-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
  margin-bottom: 20px;
  border-radius: 8px;
  background: #0f0f0a;
}

.craft-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.craft-card:hover .craft-img-wrap img {
  transform: scale(1.08);
}

.craft-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.craft-card h3 .en {
  display: block;
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-top: 4px;
  font-weight: 400;
}

.craft-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.craft-card .craft-steps {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.craft-card .craft-steps span {
  display: inline-block;
  font-size: 12px;
  color: var(--gold-dark);
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 3px 4px 3px 0;
}

/* ========== PRODUCTS ========== */
.products-section {
  background: var(--bg-darker);
}

.product-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.product-tab {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s;
}

.product-tab.active, .product-tab:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201, 161, 74, 0.05);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
}

.product-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
}

.product-img {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #1a1510, #0f0f0a);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-img-wrap {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: #0f0f0a;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.08);
}

.product-img::after {
  content: 'SOECO';
  position: absolute;
  font-family: var(--font-en);
  font-size: 32px;
  color: rgba(201, 161, 74, 0.1);
  letter-spacing: 8px;
}

.product-card .product-info {
  padding: 20px;
}

.product-card h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.product-card .product-en {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-card .product-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* ========== QUALITY ========== */
.quality-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.quality-phase {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
}

.quality-phase-num {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 40px;
  height: 40px;
  background: var(--gold);
  color: var(--bg-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.quality-phase h4 {
  font-size: 18px;
  margin: 16px 0 8px;
}

.quality-phase .phase-count {
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 16px;
}

.quality-phase ul {
  list-style: none;
}

.quality-phase ul li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  padding-left: 16px;
  position: relative;
}

.quality-phase ul li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--gold);
}

@media (max-width: 768px) {
  .quality-timeline { grid-template-columns: 1fr; }
}

/* ========== CASES ========== */
.cases-section {
  background: var(--bg-darker);
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 24px;
}

.case-card .case-visual {
  background: linear-gradient(135deg, #1a1510, #0f0f0a);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.case-card .case-visual .case-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 4px 12px;
  background: var(--gold);
  color: var(--bg-dark);
  font-size: 12px;
  font-weight: 600;
  border-radius: 12px;
}

.case-card .case-visual .case-emoji {
  font-size: 64px;
  opacity: 0.3;
}

.case-img-wrap {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.case-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-card:hover .case-img-wrap img {
  transform: scale(1.05);
}

.case-visual img.case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-card:hover .case-visual img.case-img {
  transform: scale(1.05);
}

/* 案例多图网格（远洋别墅7图） */
.case-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(4, 140px);
  gap: 8px;
  width: 100%;
  height: 100%;
  padding: 8px;
  box-sizing: border-box;
}
.case-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  transition: transform 0.5s ease;
}
.case-gallery img:hover {
  transform: scale(1.03);
}
.case-gallery img:first-child {
  grid-column: 1 / -1;
  grid-row: 1 / 3;
}

/* 韩国合作4图网格 */
.case-gallery-kr {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
}
.case-gallery-kr img:first-child {
  grid-column: auto;
  grid-row: auto;
}

.case-card .case-content {
  padding: 36px;
}

.case-card .case-content h4 {
  font-size: 22px;
  margin-bottom: 12px;
}

.case-card .case-content .case-meta {
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.case-card .case-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.case-card .case-quote {
  font-style: italic;
  color: var(--gold-light);
  padding: 16px;
  background: rgba(201, 161, 74, 0.05);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
}

@media (max-width: 768px) {
  .case-card { grid-template-columns: 1fr; }
}

/* ========== SERVICES ========== */
.services-section {
  background: var(--bg-darker);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-gold);
  transform: translateY(-4px);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  font-size: 36px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.service-card h3 .en {
  display: block;
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-top: 4px;
  font-weight: 400;
}

.service-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-features {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.service-features li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  list-style: none;
}

.service-features li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 10px;
  top: 9px;
}

.service-card .service-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--gold-dark);
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 0 4px 0 0;
}

/* ========== ABOUT ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text h3 {
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--gold);
}

.about-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-info-table {
  width: 100%;
  border-collapse: collapse;
}

.about-info-table th, .about-info-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.about-info-table th {
  color: var(--text-muted);
  font-weight: 400;
  width: 40%;
}

.about-info-table td {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ========== FOUNDER ========== */
.founder-section {
  background: var(--bg-darker);
}

.founder-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
  padding: 32px;
}

.founder-avatar {
  width: 300px;
  height: 360px;
  background: linear-gradient(180deg, #1a1510, #0a0a0a);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.founder-avatar .avatar-icon {
  font-size: 80px;
  margin-bottom: 16px;
}

.founder-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 16px;
  border: 3px solid var(--gold);
  box-shadow: 0 4px 20px rgba(201, 161, 74, 0.2);
}

.founder-avatar .avatar-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--gold);
}

.founder-avatar .avatar-title {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.founder-info h3 {
  font-size: 28px;
  margin-bottom: 8px;
}

.founder-info .founder-en {
  font-family: var(--font-en);
  font-size: 16px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.founder-info .founder-alias {
  display: inline-block;
  padding: 4px 16px;
  border: 1px solid var(--border-gold);
  border-radius: 16px;
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 24px;
}

.founder-info p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.founder-quote {
  margin-top: 24px;
  padding: 24px;
  background: rgba(201, 161, 74, 0.05);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15px;
  font-style: italic;
  color: var(--gold-light);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .founder-card { grid-template-columns: 1fr; }
  .founder-avatar { width: 100%; height: 280px; }
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg-darker);
}

.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item:hover {
  border-color: var(--border-gold);
}

.faq-item.active {
  border-color: var(--gold);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-primary);
  transition: color 0.3s;
  user-select: none;
}

.faq-question:hover {
  color: var(--gold);
}

.faq-item.active .faq-question {
  color: var(--gold);
}

.faq-question .faq-q-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-gold);
  border-radius: 50%;
  font-size: 16px;
  color: var(--gold);
  transition: transform 0.3s;
  margin-left: 16px;
}

.faq-item.active .faq-q-icon {
  transform: rotate(45deg);
  background: var(--gold);
  color: var(--bg-dark);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 28px;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 28px 24px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
}

.faq-answer .faq-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--gold-dark);
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-top: 12px;
  margin-right: 8px;
}

/* ========== COOPERATION ========== */
.coop-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-top: 24px;
}

.coop-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.coop-flag {
  font-size: 40px;
}

.coop-header h4 {
  font-size: 22px;
  margin-bottom: 4px;
}

.coop-header .coop-sub {
  font-size: 14px;
  color: var(--gold);
}

.coop-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.coop-table {
  width: 100%;
  margin-top: 16px;
  border-collapse: collapse;
}

.coop-table th, .coop-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  text-align: left;
}

.coop-table th { color: var(--text-muted); font-weight: 400; }

/* ========== CONTACT ========== */
.contact-section {
  background: linear-gradient(180deg, var(--bg-dark), #0a0a05);
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 28px;
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item .contact-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.contact-item .contact-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-item .contact-value {
  font-size: 16px;
  color: var(--text-primary);
}

.contact-item .contact-value a {
  color: var(--gold);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-darker);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-cn);
  transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--gold);
}

.form-group textarea { resize: vertical; min-height: 100px; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ========== FOOTER ========== */
footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand .logo-mark {
  font-size: 32px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.8;
}

.footer-col h5 {
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-col ul li a:hover { color: var(--gold); }

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-bottom .icp {
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ========== ANIMATIONS ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up {
  animation: fadeUp 0.8s ease-out;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s, transform 0.8s;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--gold);
  z-index: 9999;
  width: 0;
  transition: width 0.1s;
}

/* ========== FLOATING CONSULTATION BUTTONS ========== */
.float-consult {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  color: var(--gold);
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  transition: all 0.3s;
  position: relative;
}

.float-btn:hover {
  background: var(--gold);
  color: var(--bg-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(201, 161, 74, 0.3);
}

.float-btn .tip {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.float-btn:hover .tip { opacity: 1; }

.float-btn.main {
  width: 64px;
  height: 64px;
  background: var(--gold);
  color: var(--bg-dark);
  font-size: 26px;
}

.float-btn.main:hover { background: var(--gold-light); }

/* QR code in contact */
.contact-qr {
  margin-top: 12px;
  width: 140px;
  height: 140px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-gold);
  background: #fff;
}
.contact-qr img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* QR popup for floating button */
.float-qr {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%) scale(0.95);
  width: 180px;
  height: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.float-qr img {
  width: 140px;
  height: 140px;
  border-radius: var(--radius);
  object-fit: cover;
  margin-bottom: 10px;
  background: #fff;
}
.float-qr span {
  font-size: 13px;
  color: var(--text-primary);
  text-align: center;
  line-height: 1.4;
}
.float-btn.has-qr:hover .float-qr {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) scale(1);
}

@media (max-width: 768px) {
  .float-qr { display: none; }
  .contact-qr { width: 120px; height: 120px; }
}

/* ========== MEMBERSHIP SECTION ========== */
.membership-section {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.membership-tabs {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.membership-tab {
  padding: 12px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-secondary);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 1px;
}

.membership-tab:hover { border-color: var(--border-gold); color: var(--gold); }
.membership-tab.active {
  background: var(--gold);
  color: var(--bg-dark);
  border-color: var(--gold);
  font-weight: 600;
}

.membership-panel { display: none; }
.membership-panel.active {
  display: block;
  padding: 32px;
}

.membership-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.membership-intro {
  padding: 32px;
}

.membership-intro h3 {
  font-size: 28px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.membership-intro p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.membership-benefits {
  list-style: none;
  margin-top: 24px;
}

.membership-benefits li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.membership-benefits li::before {
  content: '✓';
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.membership-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.membership-form h4 {
  font-size: 20px;
  margin-bottom: 8px;
}

.membership-form .form-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

/* Project gallery */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
}

.project-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
}

.project-thumb {
  height: 180px;
  background: linear-gradient(135deg, #1a1510, #2a2015);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-dark);
  font-size: 14px;
  letter-spacing: 1px;
}

.project-info { padding: 20px; }
.project-info h4 { font-size: 18px; margin-bottom: 8px; }
.project-info p { color: var(--text-secondary); font-size: 14px; margin-bottom: 12px; }
.project-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.project-tags span {
  padding: 4px 10px;
  background: rgba(201, 161, 74, 0.1);
  color: var(--gold);
  border-radius: 12px;
  font-size: 12px;
}

@media (max-width: 768px) {
  .float-consult { right: 16px; bottom: 20px; }
  .float-btn { width: 48px; height: 48px; font-size: 18px; }
  .float-btn.main { width: 56px; height: 56px; font-size: 22px; }
  .float-btn .tip { display: none; }

  .membership-grid { grid-template-columns: 1fr; gap: 32px; }
  .membership-form { padding: 24px; }
  .project-gallery { grid-template-columns: 1fr; }
  .membership-tabs { gap: 10px; }
  .membership-tab { padding: 10px 18px; font-size: 14px; }
}

/* ========== PAGE BANNER (sub page header) ========== */
.page-banner {
  padding-top: 140px;
  padding-bottom: 80px;
  background: linear-gradient(180deg, rgba(10,10,10,0) 0%, rgba(10,10,10,1) 100%),
              radial-gradient(circle at 80% 20%, rgba(201,161,74,0.08) 0%, transparent 40%),
              var(--bg-darker);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.2;
}

.page-banner .container { position: relative; z-index: 2; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: var(--gold-dark); }
.breadcrumb .current { color: var(--gold); }

.page-banner h1 {
  font-family: var(--font-cn);
  font-size: 52px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 4px;
}

.banner-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .page-banner { padding-top: 120px; padding-bottom: 60px; }
  .page-banner h1 { font-size: 32px; letter-spacing: 2px; }
  .banner-sub { font-size: 15px; }
  .breadcrumb { flex-wrap: wrap; }
}

/* ========== HERITAGE / 非遗传承 ========== */
.heritage-section {
  background: linear-gradient(180deg, var(--bg-darker) 0%, var(--bg-dark) 50%, var(--bg-darker) 100%);
  padding: 100px 0;
}

.heritage-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin: 60px 0;
}

.heritage-era {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.heritage-era::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-dark) 100%);
}

.heritage-era:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
}

.era-tag {
  display: inline-block;
  background: rgba(201, 161, 74, 0.12);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.heritage-era h3 {
  font-size: 22px;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.heritage-era p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
}

.heritage-value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 60px 0;
}

.heritage-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.heritage-card:hover {
  border-color: var(--border-gold);
  background: var(--bg-card-hover);
}

.heritage-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.heritage-card h4 {
  font-size: 17px;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.heritage-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.heritage-quote {
  margin: 60px auto;
  max-width: 800px;
  text-align: center;
  padding: 48px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  position: relative;
}

.heritage-quote::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 30px;
  font-size: 80px;
  color: var(--gold);
  opacity: 0.3;
  font-family: var(--font-en);
  line-height: 1;
}

.heritage-quote blockquote p {
  font-size: 18px;
  color: var(--text-primary);
  line-height: 2;
  font-style: italic;
  margin-bottom: 20px;
}

.heritage-quote cite {
  font-size: 15px;
  color: var(--gold);
  font-style: normal;
  letter-spacing: 1px;
}

.heritage-data-row {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  margin: 48px 0;
}

.heritage-stat {
  text-align: center;
}

.heritage-stat .stat-num {
  font-size: 42px;
  font-weight: 700;
  color: var(--gold);
  font-family: var(--font-en);
  line-height: 1.2;
}

.heritage-stat .stat-num span {
  font-size: 18px;
  margin-left: 2px;
}

.heritage-stat .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
  letter-spacing: 1px;
}

@media (max-width: 1024px) {
  .heritage-timeline { grid-template-columns: 1fr; gap: 24px; }
  .heritage-value-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .heritage-section { padding: 60px 0; }
  .heritage-value-grid { grid-template-columns: 1fr; }
  .heritage-data-row { gap: 32px; }
  .heritage-stat .stat-num { font-size: 36px; }
  .heritage-quote { padding: 32px 24px; margin: 32px 0; }
  .heritage-quote blockquote p { font-size: 16px; }
}