/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  --bg-primary: #0c0a07;
  --bg-secondary: #110e0a;
  --bg-card: #15120e;
  --bg-card-hover: #1c1812;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a8;
  --text-muted: #606068;
  --accent: #c98344;
  --accent-glow: rgba(201, 131, 68, 0.15);
  --accent-dim: rgba(201, 131, 68, 0.35);
  --accent-copper: #9a5f2a;
  --accent-copper-glow: rgba(154, 95, 42, 0.10);
  --accent-copper-dim: rgba(154, 95, 42, 0.22);
  --gold-text-gradient: linear-gradient(135deg, #c4944a 0%, #c98344 40%, #9a5f2a 100%);
  --gold-text-shadow: 0 0 40px rgba(201, 131, 68, 0.25), 0 1px 2px rgba(0,0,0,0.6);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.5), 0 0 1px rgba(255,255,255,0.03);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-en: "SF Pro Display", "Inter", "Helvetica Neue", system-ui, -apple-system, sans-serif;
  --transition: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
  --max-width: 1280px;
  --text-scale: 1;
  --nav-height: 72px;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  max-width: 100%;
}
::selection { background: var(--accent); color: #000; }

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  transition: background var(--transition), backdrop-filter var(--transition);
  background: transparent;
}
.nav.scrolled {
  background: rgba(12, 10, 7, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 700; letter-spacing: 0.5px;
  color: #fff;
}
.nav-logo .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.nav-links {
  display: flex; list-style: none; gap: 36px;
  font-size: 14px; font-weight: 500; letter-spacing: 0.3px;
}
.nav-links a {
  color: var(--text-secondary); transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 13px 15px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 13px; font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  background: none;
  font-family: var(--font);
}
.nav-cta:hover { background: var(--accent); color: #000; }
.nav-toggle { display: none; }

/* ============================================================
   Mobile Navigation (overlay)
   ============================================================ */
.mobile-nav-overlay {
  position: fixed; inset: 0; z-index: 1999;
  background: rgba(0,0,0,0.6);
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.mobile-nav-overlay.active { opacity: 1; visibility: visible; }
.mobile-nav {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 2000;
  width: min(300px, 80vw);
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  padding: 32px 24px calc(32px + env(safe-area-inset-bottom, 0px));
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
  display: flex; flex-direction: column;
  overflow-y: auto;
}
.mobile-nav.active { transform: translateX(0); }
.mobile-nav-header {
  display: flex; align-items: center; gap: 8px;
  font-size: 16px; font-weight: 700;
  padding-bottom: 24px; margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.mobile-nav-header .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.mobile-nav-links {
  list-style: none; display: flex; flex-direction: column; gap: 4px;
}
.mobile-nav-links li a {
  display: block; padding: 14px 16px; min-height: 44px;
  border-radius: var(--radius);
  font-size: 16px; font-weight: 500; color: var(--text-secondary);
  transition: all var(--transition);
}
.mobile-nav-links li a:hover,
.mobile-nav-links li a:active {
  background: var(--bg-card-hover); color: #fff;
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  position: relative; width: 100%; height: 100vh; min-height: 700px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
.hero-video-mobi { display: none; }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse at 50% 40%, transparent 0%, rgba(12,10,7,0.50) 100%),
    linear-gradient(180deg, rgba(12,10,7,0.28) 0%, rgba(12,10,7,0.60) 80%, var(--bg-primary) 100%);
}
/* Gold shimmer sweep across hero */
.hero::after {
  content: '';
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(105deg,
    transparent 30%, rgba(201,131,68,0.10) 45%, rgba(201,131,68,0.16) 50%, rgba(201,131,68,0.10) 55%, transparent 70%);
  background-size: 200% 100%;
  animation: goldShimmer 5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes goldShimmer {
  0%, 100% { background-position: 200% 0; opacity: 0; }
  25% { opacity: 1; }
  50% { background-position: -200% 0; opacity: 0.6; }
  75% { opacity: 1; }
}
.hero-content {
  position: relative; z-index: 2; text-align: center;
  max-width: 800px; padding: 0 24px;
}
.hero-badge {
  display: inline-block; padding: 6px 18px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  font-size: 13px; letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.03);
}
.hero-title {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 800; line-height: 1.1; letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-title .gold, .section-title .gold {
  color: var(--accent);
  text-shadow: var(--gold-text-shadow);
}
.hero-sub {
  font-size: 18px; color: var(--text-secondary);
  font-weight: 400; letter-spacing: 4px; margin-bottom: 40px;
  font-family: var(--font-en);
}
.hero-cta-group {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: all var(--transition);
  border: none; font-family: var(--font);
  min-height: 44px;
}
.btn-primary {
  background: var(--accent); color: #000;
  box-shadow: 0 8px 32px rgba(201,131,68,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201,131,68,0.50);
}
.btn-ghost {
  background: transparent; color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.35); }

/* Hero buttons — slightly larger text */
.hero-cta-group .btn { font-size: 17px; }
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; z-index: 2;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 12px; letter-spacing: 1px;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, rgba(201,131,68,0.50), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ============================================================
   Section Shared
   ============================================================ */
.section {
  padding: clamp(60px, 8vw, 120px) clamp(16px, 5vw, 48px);
  padding-left: max(clamp(16px, 5vw, 48px), env(safe-area-inset-left, 0px));
  padding-right: max(clamp(16px, 5vw, 48px), env(safe-area-inset-right, 0px));
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}
/* Gold gradient separators between sections */
.section::before {
  content: '';
  position: absolute; top: 0; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), var(--accent-copper-dim), var(--accent-dim), transparent);
  opacity: 0.5;
}
.section-label {
  font-size: 12px; font-weight: 700; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800; line-height: 1.2; letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 17px; color: var(--text-secondary); line-height: 1.8;
  max-width: 640px;
}
.section-header { margin-bottom: 64px; }

/* ============================================================
   City Gateway — 城市门户
   ============================================================ */
.gateway-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: center;
}
.gateway-visual {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
}
.gateway-visual img {
  width: 100%; height: auto; min-height: 280px; max-height: 480px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.gateway-visual::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(12,10,7,0.4), transparent 50%);
  border-radius: var(--radius-lg);
}
.gateway-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px;
}
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: all var(--transition);
}
.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-dim);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-2px);
}
.stat-value {
  font-size: 28px; font-weight: 800; color: var(--accent);
  line-height: 1; margin-bottom: 8px;
}
.stat-label {
  font-size: 14px; color: var(--text-muted);
}

/* ============================================================
   Features Grid — 产业 / 交通 / 配套
   ============================================================ */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px 32px;
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-dim);
  box-shadow: 0 8px 32px var(--accent-glow), inset 0 1px 0 var(--accent-dim);
  transform: translateY(-4px);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  background: var(--accent-glow);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 16px; margin-right: 12px; vertical-align: middle;
}
.feature-card h3 {
  display: inline-flex; align-items: center;
  font-size: 22px; font-weight: 700; line-height: 1;
  letter-spacing: -0.3px; margin: 0;
}
.feature-card p {
  font-size: 15px; color: var(--text-secondary); line-height: 1.7;
}
.feature-card .tag-group {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px;
}
.tag {
  padding: 4px 12px; border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 500;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

/* ============================================================
   Transport — 交通枢纽
   ============================================================ */
.transport-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
}
.transport-main {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 48px;
  display: flex; flex-direction: column; gap: 32px;
}
.transport-item { display: flex; gap: 20px; align-items: flex-start; }
.transport-num {
  font-size: 40px; font-weight: 800; color: var(--accent);
  line-height: 1; min-width: 80px;
}
.transport-num small {
  display: block; font-size: 14px; font-weight: 500;
  color: var(--text-muted); margin-top: 4px;
}
.transport-item h4 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.transport-item p { font-size: 14px; color: var(--text-muted); }
.transport-highlights {
  display: flex; flex-direction: column; gap: 16px;
}
.highlight-row {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: all var(--transition);
}
.highlight-row:hover { border-color: var(--accent-dim); }
.highlight-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-copper); flex-shrink: 0;
  box-shadow: 0 0 10px var(--accent-copper-glow);
}
.highlight-row span { font-size: 15px; font-weight: 600; }
.highlight-row small { color: var(--text-muted); font-size: 13px; }

/* ============================================================
   Building — 首排封面
   ============================================================ */
.building-showcase {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px;
  align-items: center;
}
.building-image {
  border-radius: var(--radius-lg); overflow: hidden;
  position: relative;
}
.building-image img {
  width: 100%; height: auto; min-height: 320px; max-height: 560px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.building-image::after {
  content: ''; position: absolute; inset: 0;
  box-shadow: inset 0 0 120px rgba(12,10,7,0.5);
  border-radius: var(--radius-lg);
}
.building-specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px;
}
.spec-item {
  padding: 16px; border-bottom: 1px solid var(--border);
}
.spec-num { font-size: 24px; font-weight: 700; color: var(--accent); }
.spec-label { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ============================================================
   Quote / CTA Banner
   ============================================================ */
.cta-banner {
  margin: 80px auto; max-width: var(--max-width);
  background: linear-gradient(135deg, rgba(201,131,68,0.12), rgba(201,131,68,0.04));
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius-lg);
  padding: 72px 64px; text-align: center;
  position: relative; overflow: hidden;
}
/* Semi-transparent overlay when background image is set */
.cta-banner-overlay {
  position: absolute; inset: 0; z-index: 0;
  background: rgba(12, 10, 7, 0.65);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
/* Content sits above the overlay */
.cta-banner-content {
  position: relative; z-index: 1;
}
.cta-banner::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
  animation: ctaGlowPulse 4s ease-in-out infinite;
  z-index: 0;
}
.cta-banner::after {
  content: ''; position: absolute; bottom: -30%; left: -15%;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-copper-glow), transparent 70%);
  pointer-events: none;
  animation: ctaGlowPulse 4s ease-in-out 2s infinite;
  z-index: 0;
}
@keyframes ctaGlowPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}
.cta-banner-content h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-banner-content p { font-size: 17px; color: var(--text-secondary); margin-bottom: 36px; }
.cta-banner-content .btn { }

/* ============================================================
   Quality Office — 品质商务
   ============================================================ */
.quality-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.quality-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 20px;
  text-align: center; transition: all var(--transition); display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.quality-card:hover {
  background: var(--bg-card-hover); border-color: var(--accent-dim);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-3px);
}
.quality-icon { font-size: 28px; margin-bottom: 12px; }
.quality-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.quality-card p { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* ============================================================
   Leasing — 招商信息
   ============================================================ */
.leasing-grid {
  display: flex; flex-direction: column; gap: 32px;
}
.leasing-card:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.leasing-card.featured {
  border-color: var(--accent-dim);
  background: linear-gradient(135deg, rgba(201,131,68,0.09), transparent);
}
/* Leasing card — text 1/4 | 3 images 1/4 each */
.leasing-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: all var(--transition);
  display: flex; flex-direction: column; gap: 24px;
  cursor: pointer;
}
.leasing-card-row {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 16px;
  align-items: stretch;
}
.leasing-card-body-text {
  min-width: 0; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
}
.leasing-card-body-text h3 { font-size: 18px; font-weight: 700; margin: 0; }
.leasing-card-body-text .area { font-size: 26px; font-weight: 800; color: var(--accent); margin: 0; }
.leasing-card-body-text .area small { font-size: 14px; font-weight: 500; color: var(--text-muted); }
.leasing-card-body-text p { font-size: 13px; margin: 0; }
.leasing-card-body-text ul {
  list-style: none; margin: 0; display: flex; flex-direction: column; gap: 3px;
}
.leasing-card-body-text ul li {
  font-size: 12px; color: var(--text-secondary);
  padding-left: 16px; position: relative;
}
.leasing-card-body-text ul li::before {
  content: ''; position: absolute; left: 0; top: 7px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent-dim);
}
/* 3 thumbnails: nested grid inside the 3fr column, each 1/3 */
.leasing-card-images {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}
.leasing-card-thumb {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-secondary);
}
.leasing-card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.leasing-card-thumb.empty {
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
}

/* ---- Carousel ---- */
.leasing-carousel-wrap {
  width: 100%; overflow: hidden; border-radius: var(--radius);
}
.leasing-carousel {
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 3; border-radius: var(--radius);
  background: var(--bg-card-hover);
}
.leasing-carousel-placeholder {
  aspect-ratio: 4 / 3; border-radius: var(--radius);
  background: var(--bg-card-hover);
}
.leasing-carousel-track {
  position: relative; width: 100%; height: 100%;
}
.leasing-carousel-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}
.leasing-carousel-slide.active {
  opacity: 1; pointer-events: auto;
}
.leasing-carousel-slide img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}

/* Dots */
.leasing-carousel-dots {
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 2;
}
.leasing-carousel-dot {
  width: 8px; height: 8px; border-radius: 50%; border: none;
  background: rgba(255,255,255,0.4); cursor: pointer; padding: 0;
  transition: background 0.3s;
}
.leasing-carousel-dot.active { background: #fff; }

/* Arrows */
.leasing-carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,0.5); color: #fff; border: none;
  width: 36px; height: 36px; border-radius: 50%;
  font-size: 20px; cursor: pointer; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s;
}
.leasing-carousel:hover .leasing-carousel-arrow { opacity: 1; }
.leasing-carousel-arrow.prev { left: 8px; }
.leasing-carousel-arrow.next { right: 8px; }


/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 72px 48px calc(32px + env(safe-area-inset-bottom, 0px));
  padding-left: max(48px, env(safe-area-inset-left, 0px));
  padding-right: max(48px, env(safe-area-inset-right, 0px));
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.footer h4 {
  font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--text-secondary); margin-bottom: 20px;
  text-transform: uppercase;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer ul li a { font-size: 14px; color: var(--text-muted); transition: color var(--transition); }
.footer ul li a:hover { color: #fff; }
.footer-contact p {
  font-size: 14px; color: var(--text-muted); line-height: 1.8;
}
.footer-contact strong { color: var(--text-secondary); }
.footer-bottom {
  padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px;
  font-size: 13px; color: var(--text-muted);
}
.footer-info {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}
.footer-info-sep { color: var(--border); }
.footer-legal {
  display: flex; justify-content: space-between; align-items: center;
}

/* ============================================================
   Booking Modal
   ============================================================ */
.booking-modal-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.booking-modal-overlay.active {
  opacity: 1; visibility: visible;
}
.booking-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 420px; width: 90%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition);
}
.booking-modal-overlay.active .booking-modal {
  transform: translateY(0);
}
.booking-modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.booking-modal-close:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--border-hover);
  color: #fff;
}
.booking-modal .contact-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 16px;
  border: 2px solid var(--accent-dim);
  background: var(--bg-card-hover);
}
.booking-modal .contact-name {
  font-size: 22px; font-weight: 700; margin-bottom: 4px;
}
.booking-modal .contact-title {
  font-size: 14px; color: var(--accent); margin-bottom: 24px;
}
.booking-modal .contact-info {
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 24px;
}
.booking-modal .contact-info-item {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 16px;
  min-height: 44px;
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px; color: var(--text-secondary);
  cursor: pointer; transition: all var(--transition);
}
.booking-modal .contact-info-item:hover {
  border-color: var(--accent-dim);
  color: #fff;
}
.booking-modal .contact-info-item .info-icon {
  font-size: 18px;
}
.booking-modal .wechat-qr {
  width: 160px; height: 160px;
  object-fit: contain;
  margin: 0 auto 16px;
  border-radius: var(--radius);
  background: #fff;
  padding: 8px;
}

/* ============================================================
   My Needs Modal — 我的需求 多步骤弹窗
   ============================================================ */
.my-needs-modal {
  max-width: 480px; width: 92%;
  padding: 40px 32px;
}
  position: absolute; top: 16px; left: 16px;
  min-height: 44px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px; cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}
  background: rgba(255,255,255,0.06);
  border-color: var(--border-hover);
  color: #fff;
}
.my-needs-title {
  font-size: 24px; font-weight: 700; margin-bottom: 6px;
}
.my-needs-subtitle {
  font-size: 14px; color: var(--text-muted); margin-bottom: 28px;
  line-height: 1.6;
}
.my-needs-form-group {
  margin-bottom: 20px; text-align: left;
}
.my-needs-form-group label {
  display: block; font-size: 14px; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 8px;
}
.my-needs-form-group .input-wrapper {
  position: relative; display: flex; align-items: center;
}
.my-needs-form-group input {
  width: 100%; padding: 14px 60px 14px 16px;
  min-height: 52px;
  font-size: 18px; font-weight: 600;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font);
  outline: none; transition: border var(--transition);
  -webkit-appearance: none;
}
.my-needs-form-group input:focus {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.my-needs-form-group input::placeholder {
  color: var(--text-muted);
  opacity: 0.55;
}
.my-needs-form-group .input-suffix {
  position: absolute; right: 16px;
  font-size: 15px; color: var(--text-muted);
  pointer-events: none;
}
.my-needs-reference {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 24px;
  font-size: 13px; color: var(--text-muted); line-height: 1.6;
}
.my-needs-reference strong { color: var(--accent); }
.my-needs-btn {
  width: 100%; padding: 14px 0; min-height: 52px;
  border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 600; cursor: pointer;
  border: none; font-family: var(--font);
  background: var(--accent); color: #000;
  transition: all var(--transition);
}
.my-needs-btn:hover { opacity: 0.92; transform: translateY(-1px); }
.my-needs-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.my-needs-loading {
  text-align: center; padding: 40px 0;
}
.my-needs-loading .spinner {
  width: 40px; height: 40px; margin: 0 auto 16px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Match result cards */
.my-needs-results { margin-bottom: 24px; }
.my-needs-result-title {
  font-size: 18px; font-weight: 700; margin-bottom: 16px;
}
/* ========================================
   Match Card — 最佳匹配户型卡片
   ======================================== */
.my-needs-match-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: left;
  transition: all var(--transition);
  cursor: pointer;
}
.my-needs-match-card:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 4px 24px var(--accent-glow);
  transform: translateY(-2px);
}
.my-needs-match-card.featured-match {
  border-color: var(--accent-dim);
}
/* Hero image — top of card */
.match-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-card);
}
.match-hero img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.match-hero-empty {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
}
.match-hero-placeholder {
  font-size: 48px; opacity: 0.3;
}
/* Card body */
.match-body {
  padding: 20px 20px 0;
}
.match-name-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; margin-bottom: 12px;
}
.match-name-row .match-name {
  font-size: 20px; font-weight: 700; line-height: 1.3;
  flex: 1; min-width: 0;
}
.match-name-row .match-badge {
  font-size: 13px; font-weight: 600;
  padding: 4px 12px; border-radius: 100px;
  background: var(--accent-glow); color: var(--accent);
  white-space: nowrap; flex-shrink: 0;
}
/* Stats row */
.match-stats-row {
  display: flex; gap: 24px; margin-bottom: 12px;
}
.match-stat {
  display: flex; align-items: baseline; gap: 6px;
}
.match-stat-icon { font-size: 16px; flex-shrink: 0; }
.match-stat-val {
  font-size: 22px; font-weight: 700; color: var(--accent);
  line-height: 1;
}
.match-stat-unit {
  font-size: 13px; color: var(--text-muted);
}
/* Reason */
.match-reason {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.6; padding: 14px 0;
  border-top: 1px solid var(--border);
}
/* Contact pill — bottom of card */
.match-contact-pill {
  margin: 0 20px 20px;
  padding: 14px 0;
  text-align: center;
  font-size: 15px; font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  letter-spacing: 0.02em;
}
.my-needs-match-card:hover .match-contact-pill {
  box-shadow: 0 4px 20px var(--accent-glow);
}
.my-needs-params {
  font-size: 13px; color: var(--text-muted);
  text-align: center; padding: 8px 0;
}
.my-needs-params span { color: var(--accent); }

/* Contact reveal section */
.my-needs-contact-section {
  text-align: center; padding: 8px 0;
}
.my-needs-contact-divider {
  text-align: center; margin: 20px 0 16px;
  font-size: 13px; color: var(--text-muted);
  position: relative;
}
.my-needs-contact-divider::before {
  content: ''; position: absolute; top: 50%; left: 0; right: 0;
  height: 1px; background: var(--border);
}
.my-needs-contact-divider span {
  position: relative; background: var(--bg-card);
  padding: 0 16px; z-index: 1;
}

/* ============================================================
   Scroll Animations (shared — PC & mobile)
   ============================================================ */
.fade-up {
  opacity: 0; transform: translateY(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-in {
  opacity: 0;
  transition: opacity var(--transition-slow);
}
.fade-in.visible { opacity: 1; }

/* ============================================================
   Theme Toggle
   ============================================================ */
.theme-toggle {
  position: fixed;
  bottom: max(28px, env(safe-area-inset-bottom, 0px) + 12px);
  right: max(24px, env(safe-area-inset-right, 0px) + 8px);
  z-index: 5000;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition), background 0.5s, border-color 0.5s;
  -webkit-tap-highlight-color: transparent;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.theme-toggle:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: scale(1.08);
}

/* Icon — sun/moon crafted with CSS */
.theme-toggle-icon {
  position: relative;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  transition: all 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}
/* Dark mode: full circle = moon */
.theme-toggle-icon::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-card);
  transition: all 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* Light mode: icon becomes a smaller solid dot = sun */
body.light-mode .theme-toggle-icon {
  background: var(--accent);
  box-shadow: 0 0 12px rgba(176,112,48,0.35), 0 0 28px rgba(176,112,48,0.18);
  width: 12px;
  height: 12px;
}
body.light-mode .theme-toggle-icon::after {
  top: -6px;
  right: -6px;
  width: 24px;
  height: 24px;
  background: transparent;
  border: 2px solid var(--accent-dim);
  opacity: 0.5;
}
body.light-mode .theme-toggle {
  border-color: var(--border);
  background: rgba(255,255,255,0.75);
}

/* ============================================================
   Ambient light orbs (dark mode only)
   ============================================================ */
body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}
body::before {
  width: 700px; height: 700px;
  top: 85%; left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,255,250,0.09) 0%, rgba(255,250,240,0.06) 15%, rgba(255,245,230,0.03) 35%, rgba(255,240,220,0.01) 60%, rgba(255,238,210,0.003) 85%, transparent 100%);
  animation: orbBreathe 7s ease-in-out infinite;
}
body::after {
  display: none;
}
@keyframes orbBreathe {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50%      { transform: translate(-50%, -50%) scale(1.30); opacity: 1; }
}

/* Light mode — hide orbs */
body.light-mode::before,
body.light-mode::after {
  display: none;
}

/* ============================================================
   Light Mode (浅色低调 · 暖灰基底)
   ============================================================ */
body.light-mode {
  --bg-primary: #f5f2ed;
  --bg-secondary: #ece7e0;
  --bg-card: #ffffff;
  --bg-card-hover: #f4f0e9;
  --text-primary: #1a1714;
  --text-secondary: #5c554a;
  --text-muted: #8a8276;
  --accent: #b07030;
  --accent-glow: rgba(176, 112, 48, 0.12);
  --accent-dim: rgba(176, 112, 48, 0.30);
  --accent-copper: #8a5020;
  --accent-copper-glow: rgba(138, 80, 32, 0.08);
  --accent-copper-dim: rgba(138, 80, 32, 0.18);
  --gold-text-gradient: linear-gradient(135deg, #b07030 0%, #c08040 40%, #8a5020 100%);
  --gold-text-shadow: 0 0 20px rgba(176,112,48,0.15), 0 1px 2px rgba(0,0,0,0.1);
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.15);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 0 1px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
  background: var(--bg-primary);
}

/* Hero overlay — flip from dark to light */
body.light-mode .hero-overlay {
  background:
    radial-gradient(ellipse at 50% 40%, transparent 0%, rgba(245,242,237,0.50) 100%),
    linear-gradient(180deg, rgba(245,242,237,0.22) 0%, rgba(245,242,237,0.58) 80%, var(--bg-primary) 100%);
}

/* Nav */
body.light-mode .nav.scrolled {
  background: rgba(245, 242, 237, 0.88);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
body.light-mode .nav-logo { color: #1a1714; }
body.light-mode .nav-links a { color: var(--text-muted); }
body.light-mode .nav-links a:hover { color: #1a1714; }
body.light-mode .nav-cta { border-color: var(--accent); color: var(--accent); }
body.light-mode .nav-cta:hover { background: var(--accent); color: #fff; }
/* Mobile: solid accent bg → ensure text contrast in light mode */
@media (max-width: 640px) {
  body.light-mode .nav-cta { background: var(--accent); color: #fff; }
}
body.light-mode .nav-toggle span { background: #1a1714; }

/* Hero */
body.light-mode .hero-badge {
  border-color: rgba(0,0,0,0.12);
  color: var(--accent);
  background: rgba(0,0,0,0.03);
}
body.light-mode .hero-sub { color: var(--text-secondary); }
body.light-mode .hero-scroll { color: var(--text-muted); }
body.light-mode .hero-scroll-line {
  background: linear-gradient(180deg, var(--accent-dim), transparent);
}
body.light-mode .hero::after {
  background: linear-gradient(105deg,
    transparent 30%, rgba(176,112,48,0.06) 45%, rgba(176,112,48,0.10) 50%, rgba(176,112,48,0.06) 55%, transparent 70%);
}
body.light-mode .btn-ghost {
  color: #1a1714;
  border-color: rgba(0,0,0,0.2);
}
body.light-mode .btn-ghost:hover {
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.35);
}
body.light-mode .btn-primary { color: #fff; }

/* Cards — flip from translucent-white to white with subtle shadow */
body.light-mode .feature-card,
body.light-mode .stat-card,
body.light-mode .quality-card,
body.light-mode .leasing-card,
body.light-mode .transport-main {
  background: var(--bg-card);
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}
body.light-mode .feature-card:hover,
body.light-mode .stat-card:hover,
body.light-mode .quality-card:hover,
body.light-mode .leasing-card:hover {
  border-color: var(--accent-dim);
  box-shadow: 0 8px 32px rgba(176,112,48,0.12);
}
body.light-mode .feature-card .feature-icon {
  background: rgba(176,112,48,0.08);
}
body.light-mode .tag {
  background: rgba(0,0,0,0.03);
  border-color: var(--border);
  color: var(--text-secondary);
}
body.light-mode .highlight-row {
  background: var(--bg-card);
  border-color: var(--border);
}
body.light-mode .highlight-row:hover { border-color: var(--accent-dim); }
body.light-mode .highlight-row span { color: var(--text-primary); }

/* CTA Banner */
body.light-mode .cta-banner {
  background: linear-gradient(135deg, rgba(176,112,48,0.08), rgba(176,112,48,0.03));
  border-color: rgba(176,112,48,0.25);
}
body.light-mode .cta-banner-overlay { background: rgba(245,242,237,0.5); }
body.light-mode .cta-banner-content h2 { color: var(--text-primary); }
body.light-mode .cta-banner-content p { color: var(--text-secondary); }

/* Building & Gateway image overlays */
body.light-mode .building-image::after {
  box-shadow: inset 0 0 120px rgba(245,242,237,0.3);
}
body.light-mode .gateway-visual::after {
  background: linear-gradient(0deg, rgba(245,242,237,0.3), transparent 50%);
}
body.light-mode .leasing-card.featured {
  background: linear-gradient(135deg, rgba(176,112,48,0.06), transparent);
}
body.light-mode .leasing-card-thumb.empty {
  background: var(--bg-secondary);
  border-color: var(--border);
}

/* Footer */
body.light-mode .footer { border-top-color: var(--border); }
body.light-mode .footer ul li a:hover { color: #1a1714; }
body.light-mode .footer-bottom { border-top-color: var(--border); }

/* Mobile nav */
body.light-mode .mobile-nav-overlay { background: rgba(0,0,0,0.3); }
body.light-mode .mobile-nav {
  background: var(--bg-primary);
  border-left-color: var(--border);
}

/* Modal */
body.light-mode .booking-modal-overlay { background: rgba(0,0,0,0.4); }
body.light-mode .booking-modal {
  background: #fff;
  border-color: var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
body.light-mode .booking-modal .contact-info-item {
  background: var(--bg-secondary);
  border-color: var(--border);
  color: var(--text-secondary);
}
body.light-mode .booking-modal .contact-info-item:hover {
  border-color: var(--accent-dim);
  color: var(--text-primary);
}
body.light-mode .my-needs-form-group input {
  background: var(--bg-secondary);
  border-color: var(--border);
  color: var(--text-primary);
}
body.light-mode .my-needs-reference {
  background: var(--bg-secondary);
  border-color: var(--border);
}
body.light-mode .my-needs-match-card {
  background: #fff;
  border-color: var(--border);
}
body.light-mode .my-needs-match-card.featured-match {
  border-color: var(--accent-dim);
}
body.light-mode .match-hero-empty {
  background: var(--bg-secondary);
}
body.light-mode .match-contact-pill {
  color: #fff;
}

/* Section gold separators */
body.light-mode .section::before {
  background: linear-gradient(90deg, transparent, rgba(176,112,48,0.25), rgba(138,80,32,0.15), rgba(176,112,48,0.25), transparent);
}