/* roulang page: index */
:root {
  --bg-primary: #12181F;
  --bg-surface: #181F27;
  --bg-elevated: #1E2730;
  --bg-deeper: #0C0F14;
  --accent-gold: #C9A063;
  --accent-gold-light: #E0BC7F;
  --accent-green: #6E8B74;
  --divider: rgba(201, 160, 99, 0.22);
  --text-primary: #E8E6E1;
  --text-muted: rgba(232, 230, 225, 0.55);
  --text-dim: rgba(232, 230, 225, 0.35);
  --radius-card: 18px;
  --radius-btn: 10px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
  --shadow-gold: 0 4px 24px rgba(201, 160, 99, 0.2);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "SF Mono", "Cascadia Code", "Roboto Mono", "Consolas", monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-gold-light); }
a:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 2px; border-radius: 4px; }
button { font-family: var(--font-main); cursor: pointer; border: none; background: none; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }

/* ===== Header ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(12, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
  transition: background var(--transition), border-color var(--transition);
}
.site-header.scrolled {
  background: rgba(10, 13, 17, 0.96);
  border-bottom-color: var(--accent-gold);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px; gap: 20px;
}
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-badge {
  width: 28px; height: 28px; background: var(--accent-gold);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0% 100%);
  display: block; position: relative;
}
.logo-badge::after {
  content: ''; position: absolute; inset: 4px;
  background: var(--bg-primary);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0% 100%);
}
.logo-text {
  font-size: 17px; font-weight: 700; color: var(--text-primary);
  letter-spacing: 1px; white-space: nowrap;
}
.logo-text span { color: var(--accent-gold); }
.main-nav { display: flex; gap: 8px; align-items: center; }
.nav-card {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-btn);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text-muted); font-size: 14px; font-weight: 500;
  transition: all var(--transition);
  height: 44px;
}
.nav-card svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.nav-card:hover {
  border-color: var(--accent-gold); color: var(--accent-gold);
  background: rgba(201,160,99,0.08);
}
.nav-card.active {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: rgba(201,160,99,0.12);
}
.header-cta {
  flex-shrink: 0;
}
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius-btn);
  background: var(--accent-gold); color: #12181F;
  font-size: 14px; font-weight: 700; letter-spacing: 0.5px;
  transition: all var(--transition); position: relative; overflow: hidden;
  border: 1px solid var(--accent-gold); height: 44px; white-space: nowrap;
}
.btn-primary::before {
  content: ''; position: absolute; top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-25deg);
  transition: left 0.5s ease;
}
.btn-primary:hover { background: var(--accent-gold-light); color: #12181F; box-shadow: var(--shadow-gold); }
.btn-primary:hover::before { left: 130%; }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 3px; }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius-btn);
  background: transparent; color: var(--accent-gold);
  font-size: 14px; font-weight: 600; letter-spacing: 0.5px;
  border: 1px solid var(--accent-gold); height: 44px; white-space: nowrap;
  transition: all var(--transition);
}
.btn-outline:hover { background: rgba(201,160,99,0.1); color: var(--accent-gold-light); border-color: var(--accent-gold-light); }
.btn-outline:active { transform: translateY(1px); }
.btn-outline:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 3px; }
.mobile-toggle {
  display: none; width: 44px; height: 44px; border-radius: var(--radius-btn);
  border: 1px solid var(--divider); align-items: center; justify-content: center;
  color: var(--text-primary); font-size: 22px;
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(180deg, rgba(12,15,20,0.55) 0%, var(--bg-primary) 100%),
              url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  border-bottom: 1px solid var(--divider);
  position: relative;
}
.hero::before {
  content: ''; position: absolute; top: 0; right: 0; width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(201,160,99,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-bento {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px;
}
.hero-main {
  background: linear-gradient(145deg, rgba(24,31,39,0.92), rgba(18,24,31,0.75));
  border: 1px solid rgba(201,160,99,0.2);
  border-radius: var(--radius-card);
  padding: 48px 44px;
  backdrop-filter: blur(6px);
  display: flex; flex-direction: column; justify-content: center;
  position: relative; overflow: hidden;
}
.hero-main::before {
  content: ''; position: absolute; top: 0; right: 0;
  width: 180px; height: 180px;
  background: linear-gradient(135deg, transparent 50%, rgba(201,160,99,0.08) 50%);
}
.hero-main h1 {
  font-size: 46px; font-weight: 800; line-height: 1.25;
  margin-bottom: 20px; letter-spacing: 1px;
  color: var(--text-primary);
}
.hero-main h1 .gold { color: var(--accent-gold); }
.hero-sub {
  font-size: 16px; color: var(--text-muted); line-height: 1.75;
  margin-bottom: 32px; max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-energy {
  border-top: 1px solid var(--divider); padding-top: 24px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.energy-item { text-align: left; }
.energy-label { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
.energy-label .unit { color: var(--text-dim); font-size: 12px; }
.energy-bar-wrap {
  height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px; position: relative; overflow: hidden;
}
.energy-bar-fill {
  height: 100%; background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
  border-radius: 3px; width: 0;
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}
.energy-bar-fill::after {
  content: ''; position: absolute; right: 0; top: -2px;
  width: 2px; height: 10px; background: var(--accent-gold-light);
  border-radius: 1px;
}
.energy-tick {
  position: absolute; top: 0; bottom: 0; width: 1px;
  background: rgba(255,255,255,0.15);
}
.energy-value {
  font-family: var(--font-num); font-size: 26px; font-weight: 700;
  color: var(--text-primary); margin-top: 4px; font-variant-numeric: tabular-nums;
}
.hero-card {
  background: linear-gradient(145deg, rgba(24,31,39,0.9), rgba(18,24,31,0.7));
  border: 1px solid var(--divider); border-radius: var(--radius-card);
  padding: 28px 26px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color var(--transition), transform var(--transition);
  position: relative; overflow: hidden;
}
.hero-card:hover { border-color: var(--accent-gold); transform: translateY(-3px); }
.hero-card .card-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(201,160,99,0.12); display: flex; align-items: center; justify-content: center;
  color: var(--accent-gold); font-size: 20px; margin-bottom: 6px;
}
.hero-card h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); }
.hero-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.hero-card .card-tag {
  font-size: 12px; color: var(--accent-green); background: rgba(110,139,116,0.12);
  padding: 3px 10px; border-radius: 20px; display: inline-block; width: fit-content;
  margin-top: auto;
}
.hero-cta-strip {
  grid-column: 1 / -1;
  background: rgba(24,31,39,0.85);
  border: 1px solid var(--divider); border-radius: var(--radius-card);
  padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.hero-cta-strip .info { display: flex; align-items: center; gap: 10px; color: var(--text-muted); font-size: 14px; }
.hero-cta-strip .info svg { width: 18px; height: 18px; stroke: var(--accent-gold); }
.hero-cta-strip a { font-weight: 600; font-size: 14px; }

/* ===== Section common ===== */
.section { padding: 90px 0; }
.section-head { margin-bottom: 56px; }
.section-head .overline {
  font-size: 13px; color: var(--accent-green); letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 10px; display: flex; align-items: center; gap: 10px;
}
.section-head .overline::before { content: ''; width: 24px; height: 1px; background: var(--accent-gold); }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--text-primary); line-height: 1.3; margin-bottom: 14px; }
.section-head p { font-size: 15px; color: var(--text-muted); max-width: 720px; line-height: 1.7; }

/* ===== Services ===== */
.services {
  background: var(--bg-primary);
}
.services-grid {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 24px;
}
.service-card {
  background: var(--bg-surface); border: 1px solid var(--divider);
  border-radius: var(--radius-card); padding: 36px 32px;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.service-card::after {
  content: ''; position: absolute; left: 24px; bottom: 0;
  width: 42px; height: 3px; background: var(--accent-gold);
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
}
.service-card:hover {
  border-color: var(--accent-gold); transform: translateY(-6px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.service-card .svc-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(201,160,99,0.14);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 20px;
  transition: transform var(--transition);
}
.service-card:hover .svc-icon { transform: scale(1.05); }
.service-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }
.service-card p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }
.service-card .svc-meta {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; gap: 8px; flex-wrap: wrap;
}
.service-card .svc-meta span {
  font-size: 12px; padding: 4px 12px; border-radius: 20px;
  background: rgba(110,139,116,0.12); color: var(--accent-green);
}
.service-card.feature {
  grid-row: span 2;
}

/* ===== Scenes ===== */
.scenes { background: var(--bg-surface); border-top: 1px solid var(--divider); border-bottom: 1px solid var(--divider); }
.scene-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  padding: 40px 0; position: relative;
}
.scene-row + .scene-row { border-top: 1px solid var(--divider); }
.scene-num {
  font-family: var(--font-num); font-size: 60px; font-weight: 800;
  color: rgba(201,160,99,0.18); line-height: 1; position: absolute;
  top: 20px; right: 24px; z-index: 1;
}
.scene-image {
  border-radius: 16px; overflow: hidden; position: relative;
  aspect-ratio: 4/3; background: var(--bg-elevated);
}
.scene-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.scene-image:hover img { transform: scale(1.03); }
.scene-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(12,15,20,0.3));
}
.scene-content { position: relative; z-index: 2; }
.scene-content .scene-tag {
  font-size: 12px; color: var(--accent-gold); letter-spacing: 1px;
  margin-bottom: 10px; display: block;
}
.scene-content h3 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin-bottom: 14px; line-height: 1.35; }
.scene-content p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 18px; }
.scene-time {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-dim);
}
.scene-time .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-gold); display: inline-block; }
.scene-time .time-slot {
  background: rgba(201,160,99,0.1); border: 1px solid rgba(201,160,99,0.2);
  padding: 3px 12px; border-radius: 20px; font-size: 12px; color: var(--accent-gold);
}

/* ===== Cases ===== */
.cases { background: var(--bg-primary); }
.cases-data {
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--bg-surface); border: 1px solid var(--divider);
  border-radius: var(--radius-card); padding: 32px 40px;
  margin-bottom: 48px; position: relative; overflow: hidden;
}
.cases-data::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}
.case-stat { text-align: center; position: relative; }
.case-stat + .case-stat::before {
  content: ''; position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 1px; background: var(--divider);
}
.case-stat .num {
  font-family: var(--font-num); font-size: 40px; font-weight: 800;
  color: var(--accent-gold); line-height: 1.1; font-variant-numeric: tabular-nums;
}
.case-stat .label { font-size: 14px; color: var(--text-muted); margin-top: 6px; }
.cases-list { display: flex; flex-direction: column; gap: 16px; }
.case-card {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--bg-surface); border: 1px solid var(--divider);
  border-radius: 16px; padding: 24px 28px;
  transition: all var(--transition);
}
.case-card:hover { border-color: var(--accent-gold); background: rgba(24,31,39,0.8); box-shadow: 0 4px 20px rgba(0,0,0,0.2); }
.case-avatar {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid var(--divider); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-elevated); color: var(--accent-gold); font-size: 18px; font-weight: 700;
  transition: border-color var(--transition);
  font-family: var(--font-num);
}
.case-card:hover .case-avatar { border-color: var(--accent-gold); }
.case-body { flex: 1; }
.case-body p { font-size: 15px; color: var(--text-muted); line-height: 1.75; margin-bottom: 10px; }
.case-body .case-name { font-size: 13px; color: var(--text-primary); font-weight: 600; }
.case-body .case-tea {
  display: inline-block; font-size: 12px; color: var(--accent-green);
  background: rgba(110,139,116,0.12); padding: 2px 10px; border-radius: 20px;
  margin-left: 8px;
}

/* ===== Pricing ===== */
.pricing { background: var(--bg-surface); border-top: 1px solid var(--divider); border-bottom: 1px solid var(--divider); }
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative;
}
.price-card {
  background: var(--bg-primary); border: 1px solid var(--divider);
  border-radius: var(--radius-card); padding: 40px 32px;
  transition: all var(--transition); display: flex; flex-direction: column;
  position: relative;
}
.price-card:hover { border-color: rgba(201,160,99,0.5); transform: translateY(-4px); }
.price-card.popular {
  border: 2px solid var(--accent-gold);
  background: linear-gradient(145deg, rgba(24,31,39,0.95), rgba(18,24,31,0.85));
  box-shadow: 0 8px 40px rgba(201,160,99,0.12);
}
.price-card .popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent-gold); color: #12181F;
  font-size: 12px; font-weight: 700; padding: 4px 18px; border-radius: 20px;
  letter-spacing: 1px; white-space: nowrap;
}
.price-card .plan-name { font-size: 20px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.price-card .plan-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.price-card .price { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; display: flex; align-items: baseline; gap: 2px; }
.price-card .price .num {
  font-family: var(--font-num); font-size: 44px; font-weight: 800;
  color: var(--text-primary); line-height: 1; font-variant-numeric: tabular-nums;
}
.price-card .price .per { font-size: 13px; color: var(--text-dim); }
.price-features { list-style: none; margin-bottom: 32px; flex: 1; }
.price-features li {
  padding: 7px 0; font-size: 14px; color: var(--text-muted);
  display: flex; align-items: flex-start; gap: 10px;
  line-height: 1.55;
}
.price-features li::before {
  content: ''; width: 6px; height: 6px; flex-shrink: 0;
  background: var(--accent-green); border-radius: 50%; margin-top: 7px;
}
.price-features li.highlight::before { background: var(--accent-gold); }
.price-card .btn-primary, .price-card .btn-outline { width: 100%; }
.pricing-note {
  text-align: center; margin-top: 36px; font-size: 13px; color: var(--text-dim);
  padding: 12px 0; border-top: 1px solid var(--divider);
}

/* ===== Booking Form ===== */
.booking { background: var(--bg-primary); }
.booking-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  background: var(--bg-surface); border: 1px solid var(--divider);
  border-radius: var(--radius-card); overflow: hidden;
}
.booking-info {
  padding: 44px 40px; background: linear-gradient(160deg, rgba(24,31,39,0.9), rgba(18,24,31,0.95));
  display: flex; flex-direction: column; justify-content: center;
  position: relative;
}
.booking-info::before {
  content: ''; position: absolute; top: 0; right: 0; width: 160px; height: 160px;
  background: linear-gradient(135deg, transparent 50%, rgba(201,160,99,0.06) 50%);
}
.booking-info h2 { font-size: 28px; font-weight: 800; margin-bottom: 16px; }
.booking-info p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 28px; }
.booking-meta { display: flex; flex-direction: column; gap: 14px; }
.booking-meta .meta-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-muted); }
.booking-meta .meta-item svg { width: 20px; height: 20px; stroke: var(--accent-gold); flex-shrink: 0; }
.booking-form { padding: 44px 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.form-group label .req { color: #d4866c; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-btn);
  background: var(--bg-primary); border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-primary); font-size: 15px; font-family: var(--font-main);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--accent-gold); box-shadow: 0 0 0 3px rgba(201,160,99,0.15);
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { margin-top: 24px; width: 100%; }

/* ===== News / Info ===== */
.news { background: var(--bg-surface); border-top: 1px solid var(--divider); }
.news-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; }
.news-list { display: flex; flex-direction: column; gap: 4px; }
.news-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: padding var(--transition);
}
.news-item:hover { padding-left: 10px; border-bottom-color: var(--accent-gold); }
.news-item a { font-size: 16px; font-weight: 500; color: var(--text-primary); display: flex; align-items: center; gap: 12px; }
.news-item a::before { content: '▸'; color: var(--accent-gold); font-size: 18px; }
.news-item a:hover { color: var(--accent-gold); }
.news-item .date { font-size: 13px; color: var(--text-dim); font-family: var(--font-num); white-space: nowrap; }
.news-sidebar {
  background: var(--bg-primary); border: 1px solid var(--divider);
  border-radius: var(--radius-card); padding: 28px;
}
.news-sidebar h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--divider); }
.sidebar-item {
  display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
  align-items: center;
}
.sidebar-item:last-child { border-bottom: none; }
.sidebar-item .rank {
  font-family: var(--font-num); font-size: 24px; font-weight: 800;
  color: rgba(201,160,99,0.4); width: 32px; flex-shrink: 0; text-align: center;
}
.sidebar-item:first-child .rank { color: var(--accent-gold); }
.sidebar-item:nth-child(2) .rank { color: rgba(201,160,99,0.7); }
.sidebar-item .item-info { flex: 1; }
.sidebar-item .item-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.sidebar-item .item-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.sidebar-item .tag-hot {
  font-size: 11px; background: rgba(201,160,99,0.2); color: var(--accent-gold);
  padding: 2px 8px; border-radius: 12px; white-space: nowrap;
}

/* ===== FAQ ===== */
.faq { background: var(--bg-primary); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--divider); position: relative;
  transition: background var(--transition);
}
.faq-item.active { background: rgba(201,160,99,0.03); }
.faq-item.active::before {
  content: ''; position: absolute; left: -2px; top: 0; bottom: 0; width: 3px;
  background: var(--accent-gold);
}
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 16px; cursor: pointer;
  font-size: 16px; font-weight: 700; color: var(--text-primary);
  transition: color var(--transition);
  user-select: none;
}
.faq-q:hover { color: var(--accent-gold); }
.faq-q .icon {
  width: 28px; height: 28px; flex-shrink: 0; position: relative;
}
.faq-q .icon::before, .faq-q .icon::after {
  content: ''; position: absolute; background: var(--accent-gold);
  border-radius: 2px; transition: transform var(--transition);
}
.faq-q .icon::before { left: 5px; right: 5px; top: 13px; height: 2px; }
.faq-q .icon::after { top: 5px; bottom: 5px; left: 13px; width: 2px; }
.faq-item.active .faq-q .icon::after { transform: scaleY(0); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  padding: 0 16px;
}
.faq-item.active .faq-a { max-height: 400px; padding-bottom: 20px; }
.faq-a p { font-size: 15px; color: var(--text-muted); line-height: 1.75; }
.faq-note { text-align: center; margin-top: 40px; font-size: 14px; color: var(--text-dim); }
.faq-note a { color: var(--accent-gold); }

/* ===== CTA ===== */
.cta-band {
  background: var(--bg-deeper);
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  padding: 80px 0; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; top: 0; bottom: 0; left: -20%; width: 60%;
  background: linear-gradient(100deg, transparent, rgba(201,160,99,0.12), transparent);
  transform: skewX(-20deg);
  animation: ctaGlow 6s ease-in-out infinite alternate;
}
@keyframes ctaGlow {
  0% { transform: skewX(-20deg) translateX(0); opacity: 0.6; }
  100% { transform: skewX(-20deg) translateX(40px); opacity: 1; }
}
.cta-band .container { text-align: center; position: relative; z-index: 2; }
.cta-band h2 { font-size: 36px; font-weight: 800; color: var(--text-primary); margin-bottom: 16px; }
.cta-band h2 .gold { color: var(--accent-gold); }
.cta-band p { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto 36px; }
.cta-band .btn-primary { font-size: 16px; padding: 14px 44px; height: auto; }
.cta-phone { margin-top: 24px; font-size: 15px; color: var(--text-muted); }
.cta-phone a { font-family: var(--font-num); font-size: 18px; font-weight: 700; color: var(--accent-gold); }

/* ===== Footer ===== */
.site-footer {
  background: #0A0D11; border-top: 1px solid var(--accent-gold);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo-text { font-size: 20px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); margin-top: 16px; line-height: 1.7; max-width: 320px; }
.footer-col h3 {
  font-size: 15px; font-weight: 700; color: var(--text-primary);
  margin-bottom: 20px; position: relative; padding-bottom: 10px;
}
.footer-col h3::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px;
  background: var(--accent-gold);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: var(--text-muted); font-size: 14px; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent-gold); }
.footer-contact li { font-size: 14px; color: var(--text-muted); display: flex; gap: 10px; align-items: center; }
.footer-contact svg { width: 18px; height: 18px; stroke: var(--accent-gold); flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0; text-align: center;
  font-size: 13px; color: var(--text-dim);
}
.footer-bottom a { color: var(--text-dim); }
.footer-bottom a:hover { color: var(--accent-gold); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .mobile-toggle { display: flex; }
  .header-cta { display: none; }
  .hero { padding: 130px 0 60px; }
  .hero-bento { grid-template-columns: 1fr; }
  .hero-main h1 { font-size: 36px; }
  .hero-cta-strip { grid-column: 1; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card.feature { grid-row: auto; }
  .scene-row { grid-template-columns: 1fr; gap: 24px; }
  .scene-num { right: 0; font-size: 48px; }
  .booking-wrap { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .cases-data { grid-template-columns: 1fr; gap: 24px; padding: 28px; }
  .case-stat + .case-stat::before { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 28px; }
  .hero { padding: 110px 0 48px; }
  .hero-main { padding: 32px 24px; }
  .hero-main h1 { font-size: 30px; }
  .hero-energy { grid-template-columns: 1fr; gap: 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 28px 24px; }
  .scene-row { padding: 28px 0; }
  .pricing-grid { gap: 20px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 4px; }
  .cta-band h2 { font-size: 28px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 15px; }
  .btn-primary, .btn-outline { width: 100%; }
  .hero-main { padding: 24px 20px; }
  .hero-main h1 { font-size: 26px; }
  .hero-actions { flex-direction: column; }
  .hero-cta-strip { padding: 14px 18px; }
  .case-card { flex-direction: column; padding: 20px; }
  .case-avatar { width: 44px; height: 44px; }
  .booking-info, .booking-form { padding: 28px 24px; }
  .faq-q { font-size: 15px; padding: 18px 12px; }
  .price-card { padding: 28px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .energy-bar-fill { transition: none; }
}

/* roulang page: category1 */
:root {
  --bg-main: #12181F;
  --bg-surface: #181F27;
  --bg-elevated: #1E2730;
  --bg-deep: #0A0D11;
  --gold: #C9A063;
  --gold-light: #E0BC7A;
  --gold-dim: rgba(201, 160, 99, 0.22);
  --teal: #6E8B74;
  --text-main: #E8E6E1;
  --text-dim: rgba(232, 230, 225, 0.55);
  --border-gold: rgba(201, 160, 99, 0.22);
  --radius-card: 18px;
  --radius-btn: 10px;
  --radius-chip: 999px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "JetBrains Mono", "SF Mono", "Roboto Mono", Consolas, monospace;
  --transition: 0.25s ease;
  --header-h: 76px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; transition: color var(--transition), border-color var(--transition), background var(--transition); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ============ Header / Nav ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(18, 24, 31, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(10, 13, 17, 0.95);
  border-bottom-color: var(--gold-dim);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-badge {
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  transform: skewX(-12deg);
  border-radius: 4px;
  position: relative;
}
.logo-badge::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(18, 24, 31, 0.4);
  border-radius: 2px;
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.logo-text span { color: var(--gold); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}
.nav-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(30, 39, 48, 0.7);
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-btn);
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-card svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.nav-card:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(201, 160, 99, 0.08);
  transform: translateY(-1px);
}
.nav-card.active {
  border-color: var(--gold);
  color: var(--gold-light);
  background: rgba(201, 160, 99, 0.12);
  box-shadow: 0 0 18px rgba(201, 160, 99, 0.12);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: var(--radius-btn);
  color: #12181F;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.header-cta::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}
.header-cta:hover { filter: brightness(1.08); box-shadow: 0 4px 20px rgba(201, 160, 99, 0.3); }
.header-cta:hover::before { left: 130%; }
.header-cta:active { transform: translateY(1px); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: rgba(30, 39, 48, 0.7);
  border: 1px solid var(--gold-dim);
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ============ 分类控制面板 ============ */
.cat-panel {
  margin-top: var(--header-h);
  padding: 46px 0 42px;
  background: linear-gradient(135deg, #161D24 0%, var(--bg-surface) 60%, #151C23 100%);
  border-bottom: 1px solid var(--gold-dim);
  position: relative;
  overflow: hidden;
}
.cat-panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.cat-panel::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(201, 160, 99, 0.08), transparent 70%);
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { color: var(--gold); }
.breadcrumb a:hover { color: var(--gold-light); }
.cat-panel-main {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cat-panel-text h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.cat-panel-text h1 span { color: var(--gold); }
.cat-panel-text p {
  color: var(--text-dim);
  font-size: 15px;
  letter-spacing: 1px;
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: var(--radius-btn);
  color: #12181F;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-gold::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}
.btn-gold:hover { filter: brightness(1.08); box-shadow: 0 4px 24px rgba(201, 160, 99, 0.3); }
.btn-gold:hover::before { left: 130%; }
.btn-gold:active { transform: translateY(1px); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-btn);
  color: var(--gold);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-outline:hover { border-color: var(--gold); background: rgba(201, 160, 99, 0.08); color: var(--gold-light); }
.btn-outline:active { transform: translateY(1px); }

/* ============ 主体区 ============ */
.cat-body { padding: 56px 0 70px; }
.cat-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

/* 筛选栏 */
.filter-bar {
  width: 270px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-card);
  padding: 28px 22px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.filter-group { padding-bottom: 22px; margin-bottom: 22px; border-bottom: 1px solid var(--gold-dim); }
.filter-group:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.filter-group h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.filter-group h3::before {
  content: "";
  width: 3px; height: 14px;
  background: linear-gradient(180deg, var(--gold), var(--gold-light));
  border-radius: 2px;
}
.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  padding: 7px 14px;
  border: 1px solid var(--gold-dim);
  background: transparent;
  color: var(--text-dim);
  border-radius: var(--radius-chip);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
}
.chip:hover { border-color: var(--gold); color: var(--text-main); }
.chip.active {
  border-color: var(--gold);
  color: var(--text-main);
  background: rgba(201, 160, 99, 0.08);
}
.chip.active::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
  margin-right: 6px;
  display: inline-block;
}

/* 右侧列表 */
.tea-list { flex: 1; min-width: 0; }
.list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.list-head h2 {
  font-size: 26px;
  font-weight: 800;
  position: relative;
  padding-left: 16px;
}
.list-head h2::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 4px;
  background: linear-gradient(180deg, var(--gold), var(--gold-light));
  border-radius: 2px;
}
.list-count {
  font-size: 13px;
  color: var(--text-dim);
  background: rgba(30, 39, 48, 0.6);
  border: 1px solid var(--gold-dim);
  padding: 6px 14px;
  border-radius: var(--radius-chip);
}
.tea-list-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 项目横卡 */
.tea-card {
  display: flex;
  gap: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-card);
  padding: 20px;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.tea-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  background: var(--bg-elevated);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}
.tea-card-img {
  width: 160px;
  height: 160px;
  flex-shrink: 0;
  border-radius: 14px;
  overflow: hidden;
  position: relative;
}
.tea-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.tea-card:hover .tea-card-img img { transform: scale(1.05); }
.tea-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(18, 24, 31, 0.4));
  border-radius: 14px;
}
.tea-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.tea-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.tea-card-top h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(110, 139, 116, 0.15);
  border: 1px solid rgba(110, 139, 116, 0.5);
  color: #A9C4AE;
  border-radius: var(--radius-chip);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.tea-card-desc {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tea-card-meta {
  display: flex;
  gap: 18px;
  margin-bottom: 16px;
}
.tea-card-meta span {
  font-size: 13px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tea-card-meta span::before {
  content: "";
  width: 4px; height: 4px;
  background: var(--gold);
  border-radius: 50%;
  display: inline-block;
}
.tea-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: auto;
  border-top: 1px solid var(--gold-dim);
  padding-top: 14px;
}
.price {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold-light);
}
.price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-dim);
  margin-left: 4px;
}

/* ============ 茶席器具推荐 ============ */
.gear-section {
  padding: 64px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--gold-dim);
  border-bottom: 1px solid var(--gold-dim);
  position: relative;
}
.gear-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}
.section-head { margin-bottom: 36px; }
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 8px;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 44px; height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
}
.section-head p { color: var(--text-dim); font-size: 15px; }
.gear-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.gear-card {
  background: var(--bg-main);
  border: 1px solid var(--gold-dim);
  border-radius: var(--radius-card);
  padding: 26px 22px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.gear-card::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transition: width 0.35s ease;
}
.gear-card:hover {
  border-color: var(--gold);
  background: var(--bg-elevated);
  transform: translateY(-4px);
}
.gear-card:hover::before { width: 90%; }
.gear-icon {
  width: 54px; height: 54px;
  margin: 0 auto 16px;
  background: rgba(201, 160, 99, 0.1);
  border: 1px solid var(--gold-dim);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  transition: transform var(--transition);
}
.gear-card:hover .gear-icon { transform: scale(1.08); }
.gear-icon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.gear-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.gear-card p { color: var(--text-dim); font-size: 13px; line-height: 1.6; }

/* ============ FAQ ============ */
.faq-section { padding: 70px 0; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--gold-dim);
  transition: border-color var(--transition);
}
.faq-item:first-child { border-top: 1px solid var(--gold-dim); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  text-align: left;
  background: none;
  border: none;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--gold-light); }
.faq-arrow {
  width: 20px; height: 20px;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.3s ease;
}
.faq-arrow::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 8px; height: 8px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: translate(-50%, -65%) rotate(45deg);
  transition: transform 0.3s ease;
}
.faq-item.open .faq-arrow::before { transform: translate(-50%, -35%) rotate(-135deg); }
.faq-item.open .faq-question {
  color: var(--gold-light);
  padding-left: 14px;
  border-left: 3px solid var(--gold);
}
.faq-answer {
  display: none;
  padding: 0 14px 22px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.75;
}
.faq-item.open .faq-answer { display: block; }

/* ============ CTA ============ */
.contact-cta {
  padding: 90px 0;
  background: linear-gradient(rgba(18, 24, 31, 0.82), rgba(10, 13, 17, 0.94)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  border-top: 1px solid var(--gold-dim);
  position: relative;
  text-align: center;
}
.contact-cta::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.contact-cta::after {
  content: "";
  position: absolute;
  left: 50%; top: 0;
  transform: translateX(-50%);
  width: 140px; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(201, 160, 99, 0.08), transparent);
  pointer-events: none;
}
.contact-cta h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.contact-cta p { color: var(--text-dim); font-size: 16px; margin-bottom: 30px; }
.contact-cta .btn-gold { position: relative; z-index: 2; }

/* ============ Footer ============ */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--gold-dim);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
  max-width: 340px;
}
.footer-col h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-main);
  position: relative;
  padding-bottom: 10px;
}
.footer-col h3::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 28px; height: 2px;
  background: var(--gold);
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  color: var(--text-dim);
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-col ul li a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 14px;
}
.footer-contact svg {
  width: 16px; height: 16px;
  color: var(--gold);
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(201, 160, 99, 0.12);
  padding-top: 20px;
  text-align: center;
  color: rgba(232, 230, 225, 0.4);
  font-size: 13px;
  letter-spacing: 0.4px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(10, 13, 17, 0.97);
    flex-direction: column;
    align-items: stretch;
    padding: 18px 24px 28px;
    gap: 10px;
    border-bottom: 1px solid var(--gold-dim);
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    z-index: 99;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-card { padding: 14px 18px; }
  .header-cta { display: none; }
  .cat-layout { flex-direction: column; }
  .filter-bar {
    width: 100%;
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 20px;
  }
  .filter-group {
    flex: 1;
    min-width: 180px;
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }
  .tea-card { gap: 18px; }
  .gear-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .logo-text { font-size: 17px; }
  .cat-panel { padding: 34px 0 30px; }
  .cat-panel-text h1 { font-size: 26px; }
  .cat-panel-main { flex-direction: column; align-items: flex-start; }
  .cat-body { padding: 40px 0 50px; }
  .tea-card { flex-direction: column; padding: 16px; }
  .tea-card-img { width: 100%; height: 180px; }
  .list-head h2 { font-size: 22px; }
  .section-head h2 { font-size: 24px; }
  .gear-section { padding: 48px 0; }
  .gear-grid { gap: 16px; }
  .faq-section { padding: 50px 0; }
  .faq-question { font-size: 15px; padding: 18px 4px; }
  .contact-cta h2 { font-size: 26px; }
  .contact-cta { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .cat-panel-text h1 { font-size: 22px; }
  .cat-panel-text p { font-size: 13px; }
  .filter-bar { flex-direction: column; }
  .filter-group { min-width: 100%; }
  .gear-grid { grid-template-columns: 1fr; }
  .tea-card-img { height: 140px; }
  .tea-card-bottom { flex-direction: column; align-items: flex-start; }
  .btn-gold, .btn-outline { width: 100%; }
  .contact-cta h2 { font-size: 22px; }
  .footer-grid { gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}
