/* =========================================
   UAM.CITY — 低空经济全球导航
   Style System
   ========================================= */

/* ---- CSS Variables ---- */
:root {
  --bg-dark: #050d1a;
  --bg-card: #0a1628;
  --bg-card-hover: #0f1f38;
  --bg-glass: rgba(10, 22, 40, 0.85);
  --accent-blue: #0ea5e9;
  --accent-cyan: #22d3ee;
  --accent-teal: #14b8a6;
  --accent-violet: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --text-primary: #f0f6ff;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --border-color: rgba(14, 165, 233, 0.18);
  --border-glow: rgba(14, 165, 233, 0.4);
  --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.15);
  --gradient-primary: linear-gradient(135deg, #0ea5e9, #8b5cf6);
  --gradient-dark: linear-gradient(180deg, #050d1a 0%, #091525 100%);
  --radius: 12px;
  --radius-lg: 18px;
  --transition: 0.25s ease;
  --font-main: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-brand: 'Rajdhani', 'Inter', sans-serif;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: var(--accent-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-cyan); }

/* ---- Particle Canvas ---- */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 13, 26, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 2rem;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  flex-shrink: 0;
}
.logo-icon { font-size: 1.4rem; }
.logo-text {
  font-family: var(--font-brand);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-primary);
}
.logo-dot { color: var(--accent-cyan); }
.logo-tagline {
  font-size: 0.7rem;
  color: var(--text-secondary);
  border-left: 1px solid var(--border-color);
  padding-left: 0.5rem;
  margin-left: 0.2rem;
  letter-spacing: 0.5px;
}

/* Nav */
.main-nav {
  display: flex;
  gap: 0.25rem;
  margin-left: 1rem;
}
.nav-link {
  padding: 0.35rem 0.9rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
  background: rgba(14, 165, 233, 0.1);
}

.header-right { display: flex; align-items: center; gap: 1rem; margin-left: auto; }

.live-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.25);
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
}
.live-dot {
  width: 6px; height: 6px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse-green 1.5s infinite;
}
@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.lang-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.25rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all var(--transition);
}
.lang-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ---- Hero Section ---- */
.hero {
  position: relative;
  z-index: 1;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 6rem 2rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
  gap: 4rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px; left: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { flex: 1; position: relative; z-index: 2; }

.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: linear-gradient(135deg, rgba(14,165,233,0.15), rgba(139,92,246,0.15));
  border: 1px solid rgba(14,165,233,0.35);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #f0f6ff 40%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title em {
  font-style: normal;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-brand);
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* Search Bar */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(10, 22, 40, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 0.6rem 0.6rem 0.6rem 1.25rem;
  max-width: 600px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-bar:focus-within {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}
.search-icon { font-size: 1.1rem; flex-shrink: 0; }
.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-main);
}
.search-bar input::placeholder { color: var(--text-muted); }
.search-btn {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 0.55rem 1.5rem;
  border-radius: 40px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity var(--transition);
  flex-shrink: 0;
}
.search-btn:hover { opacity: 0.85; }

/* Hero Visual */
.hero-visual {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.drone-orbit {
  position: relative;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border-color);
}
.ring-1 { width: 120px; height: 120px; border-color: rgba(14,165,233,0.35); animation: orbit-pulse 3s ease-in-out infinite; }
.ring-2 { width: 220px; height: 220px; border-color: rgba(139,92,246,0.25); animation: orbit-pulse 3s ease-in-out infinite 0.5s; }
.ring-3 { width: 320px; height: 320px; border-color: rgba(34,211,238,0.15); animation: orbit-pulse 3s ease-in-out infinite 1s; }

@keyframes orbit-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.02); }
}

.center-drone {
  font-size: 2.8rem;
  z-index: 2;
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 0 16px var(--accent-blue));
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.orbit-dot {
  position: absolute;
  font-size: 1.4rem;
  filter: drop-shadow(0 0 8px var(--accent-cyan));
}
.dot-1 { animation: orbit-1 8s linear infinite; }
.dot-2 { animation: orbit-2 12s linear infinite; }
.dot-3 { animation: orbit-3 16s linear infinite; }

@keyframes orbit-1 {
  from { transform: rotate(0deg) translateX(60px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(60px) rotate(-360deg); }
}
@keyframes orbit-2 {
  from { transform: rotate(120deg) translateX(110px) rotate(-120deg); }
  to   { transform: rotate(480deg) translateX(110px) rotate(-480deg); }
}
@keyframes orbit-3 {
  from { transform: rotate(240deg) translateX(160px) rotate(-240deg); }
  to   { transform: rotate(600deg) translateX(160px) rotate(-600deg); }
}

/* ---- Ticker Bar ---- */
.ticker-bar {
  position: relative;
  z-index: 1;
  background: rgba(14, 165, 233, 0.08);
  border-top: 1px solid rgba(14,165,233,0.2);
  border-bottom: 1px solid rgba(14,165,233,0.2);
  padding: 0.6rem 0;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.ticker-label {
  flex-shrink: 0;
  background: var(--gradient-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 1rem;
  margin-right: 1rem;
  border-radius: 0 4px 4px 0;
  letter-spacing: 1px;
  z-index: 2;
}

.ticker-track {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.ticker-inner {
  display: flex;
  gap: 4rem;
  animation: ticker-scroll 45s linear infinite;
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.ticker-inner span::before { content: "● "; color: var(--accent-cyan); margin-right: 0.25rem; }

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---- Main Content ---- */
.main-content { position: relative; z-index: 1; }

/* ---- Section Header ---- */
.section-header {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ---- Category Nav ---- */
.category-nav {
  padding: 4rem 0 3rem;
}

.cat-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.cat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  transition: opacity var(--transition);
  opacity: 0;
}
.cat-policy::before { background: linear-gradient(90deg, #0ea5e9, #22d3ee); }
.cat-news::before   { background: linear-gradient(90deg, #f59e0b, #ef4444); }
.cat-company::before{ background: linear-gradient(90deg, #8b5cf6, #ec4899); }
.cat-tech::before   { background: linear-gradient(90deg, #14b8a6, #0ea5e9); }
.cat-global::before { background: linear-gradient(90deg, #22d3ee, #8b5cf6); }
.cat-invest::before { background: linear-gradient(90deg, #4ade80, #0ea5e9); }
.cat-airspace::before{ background: linear-gradient(90deg, #f59e0b, #8b5cf6); }
.cat-tools::before  { background: linear-gradient(90deg, #0ea5e9, #14b8a6); }

.cat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.cat-card:hover::before { opacity: 1; }

.cat-icon { font-size: 1.6rem; margin-bottom: 0.25rem; }
.cat-title { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.cat-desc  { font-size: 0.75rem; color: var(--text-secondary); }
.cat-arrow {
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--accent-blue);
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.cat-card:hover .cat-arrow { opacity: 1; transform: translateX(4px); }

/* ---- Tab Bar ---- */
.tab-bar {
  display: flex;
  gap: 0.4rem;
  background: rgba(10,22,40,0.8);
  padding: 0.3rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}
.tab-btn {
  padding: 0.35rem 0.9rem;
  border: none;
  background: none;
  color: var(--text-secondary);
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.82rem;
  font-family: var(--font-main);
  transition: all var(--transition);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--gradient-primary);
  color: white;
}

/* ---- News Section ---- */
.news-section { padding: 3rem 0; }

.news-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition);
  cursor: pointer;
}
.news-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.news-tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.tag-cn { background: rgba(14,165,233,0.15); color: var(--accent-blue); }
.tag-global { background: rgba(139,92,246,0.15); color: #a78bfa; }
.tag-invest { background: rgba(74,222,128,0.15); color: #4ade80; }
.tag-tech { background: rgba(20,184,166,0.15); color: var(--accent-teal); }
.tag-policy { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.tag-hot { background: rgba(239,68,68,0.15); color: var(--accent-red); }

.news-date { font-size: 0.72rem; color: var(--text-muted); margin-left: auto; }
.news-title { font-size: 0.975rem; font-weight: 600; line-height: 1.55; color: var(--text-primary); }
.news-summary { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }
.news-source {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.load-more-wrap {
  max-width: 1400px;
  margin: 2rem auto 0;
  padding: 0 2rem;
  text-align: center;
}
.load-more-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.7rem 2rem;
  border-radius: 30px;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: var(--font-main);
  transition: all var(--transition);
}
.load-more-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(14,165,233,0.06);
}

/* ---- Policy Section ---- */
.policy-section { padding: 3rem 0; }

.policy-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
}

.policy-group { margin-bottom: 2rem; }
.policy-group-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.policy-items { display: flex; flex-direction: column; gap: 0.5rem; }

.policy-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--text-primary);
}
.policy-item:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
}
.pi-icon { font-size: 1.1rem; flex-shrink: 0; }
.pi-body { flex: 1; }
.pi-title { font-size: 0.875rem; font-weight: 500; margin-bottom: 0.15rem; }
.pi-meta { font-size: 0.72rem; color: var(--text-muted); }
.pi-status {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  flex-shrink: 0;
}
.status-new { background: rgba(74,222,128,0.15); color: #4ade80; }
.status-active { background: rgba(14,165,233,0.15); color: var(--accent-blue); }
.status-draft { background: rgba(245,158,11,0.15); color: var(--accent-amber); }

/* Policy Sidebar */
.policy-sidebar { display: flex; flex-direction: column; gap: 1.25rem; }
.policy-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.policy-widget h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; color: var(--accent-cyan); }

.policy-highlights { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.policy-highlights li { font-size: 0.82rem; color: var(--text-secondary); display: flex; align-items: center; gap: 0.5rem; }
.ph-tag {
  background: rgba(14,165,233,0.12);
  color: var(--accent-blue);
  font-size: 0.65rem;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  font-weight: 600;
  flex-shrink: 0;
}

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-left: 2px solid var(--border-color);
  padding-left: 1rem;
  position: relative;
  font-size: 0.8rem;
}
.tl-item::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--accent-blue);
  border-radius: 50%;
  position: absolute;
  left: -5px;
  top: 50%; transform: translateY(-50%);
}
.tl-date { color: var(--accent-blue); font-weight: 600; flex-shrink: 0; font-family: var(--font-brand); }
.tl-text { color: var(--text-secondary); }

/* ---- Companies Section ---- */
.companies-section { padding: 3rem 0; }

.company-tabs {
  max-width: 1400px;
  margin: 0 auto 1.5rem;
  padding: 0 2rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.ctab {
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border-color);
  background: none;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-main);
  transition: all var(--transition);
}
.ctab.active, .ctab:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

.company-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.company-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--text-primary);
}
.company-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.cc-logo { font-size: 2rem; }
.cc-name { font-size: 0.9rem; font-weight: 600; }
.cc-desc { font-size: 0.75rem; color: var(--text-secondary); }
.cc-country { font-size: 0.7rem; color: var(--text-muted); margin-top: auto; }

/* ---- Tech Section ---- */
.tech-section { padding: 3rem 0; }

.tech-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition);
}
.tech-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}
.tech-icon { font-size: 2rem; }
.tech-card h3 { font-size: 1rem; font-weight: 600; color: var(--accent-cyan); }
.tech-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; flex: 1; }
.tech-links a {
  font-size: 0.8rem;
  color: var(--accent-blue);
  font-weight: 500;
}
.tech-links a:hover { color: var(--accent-cyan); }

/* ---- Global Section ---- */
.global-section { padding: 3rem 0; }

.global-map-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}

.global-regions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-width: 160px;
}

.region-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
}
.region-card:hover, .region-card.active {
  border-color: var(--accent-blue);
  background: var(--bg-card-hover);
}
.region-flag { font-size: 1.4rem; }
.region-name { font-size: 0.875rem; font-weight: 600; }
.region-status {
  font-size: 0.68rem;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  margin-left: auto;
}
.status-lead { background: rgba(14,165,233,0.2); color: var(--accent-blue); }
.status-active { background: rgba(74,222,128,0.15); color: #4ade80; }
.status-mid { background: rgba(245,158,11,0.15); color: var(--accent-amber); }

.region-detail {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  min-height: 300px;
}

/* ---- Invest Section ---- */
.invest-section { padding: 3rem 0; }

.invest-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.invest-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.inv-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}
.inv-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-brand);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.35rem;
}
.inv-label { font-size: 0.8rem; color: var(--text-secondary); }

.invest-deals { display: flex; flex-direction: column; gap: 0.75rem; }

.deal-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: all var(--transition);
}
.deal-item:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
}
.deal-round {
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 700;
  background: rgba(139,92,246,0.15);
  color: #a78bfa;
  white-space: nowrap;
}
.deal-company { font-size: 0.9rem; font-weight: 600; }
.deal-company span { font-size: 0.78rem; color: var(--text-secondary); font-weight: 400; margin-left: 0.5rem; }
.deal-amount {
  font-size: 1rem;
  font-weight: 700;
  color: #4ade80;
  font-family: var(--font-brand);
  white-space: nowrap;
}
.deal-date { font-size: 0.72rem; color: var(--text-muted); white-space: nowrap; }

/* ---- Sources Section ---- */
.sources-section { padding: 3rem 0; }

.sources-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.source-group h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.source-links { display: flex; flex-direction: column; gap: 0.5rem; }

.src-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition);
}
.src-link:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateX(3px);
}
.src-icon { font-size: 1.2rem; flex-shrink: 0; }
.src-link strong { display: block; font-size: 0.875rem; font-weight: 600; }
.src-link small { display: block; font-size: 0.72rem; color: var(--text-secondary); margin-top: 0.1rem; }

/* ---- Tools Section ---- */
.tools-section { padding: 3rem 0 5rem; }

.tools-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition);
}
.tool-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  color: var(--text-primary);
}
.tool-icon { font-size: 2rem; margin-bottom: 0.25rem; }
.tool-title { font-size: 0.9rem; font-weight: 600; }
.tool-desc { font-size: 0.78rem; color: var(--text-secondary); }

/* ---- Footer ---- */
.site-footer {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 0;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-brand .footer-logo {
  font-family: var(--font-brand);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.footer-brand p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }
.footer-domain { color: var(--accent-cyan) !important; font-weight: 600; margin-top: 0.5rem !important; }

.footer-links h4 { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 1rem; }
.footer-links { display: flex; flex-direction: column; }
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.25rem 0;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent-cyan); }

.footer-subscribe h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; }
.footer-subscribe p { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.6; }

.subscribe-form {
  display: flex;
  gap: 0.5rem;
}
.subscribe-form input {
  flex: 1;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.55rem 0.9rem;
  color: var(--text-primary);
  font-size: 0.82rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color var(--transition);
}
.subscribe-form input:focus { border-color: var(--accent-blue); }
.subscribe-form button {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity var(--transition);
}
.subscribe-form button:hover { opacity: 0.85; }

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---- Responsive ---- */
@media (max-width: 1100px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .policy-layout { grid-template-columns: 1fr; }
  .global-map-wrapper { grid-template-columns: 1fr; }
  .global-regions { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .hero { flex-direction: column; padding: 5rem 1.5rem 3rem; min-height: auto; }
  .hero-visual { display: none; }
  .main-nav { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .header-inner { padding: 0; }
  .site-header { padding: 0 1.25rem; }
  .logo-tagline { display: none; }
  .section-header { flex-direction: column; align-items: flex-start; }
}

/* ---- Invest Body Wrap（支持右侧广告竖幅）---- */
.invest-body-wrap {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 1100px) {
  .invest-body-wrap { grid-template-columns: 1fr; }
  .ad-invest-side { display: none; }
}

/* ===================================================
   广告位系统 (Ad Slot System)
   所有广告位使用统一 .ad-slot 容器，
   未投放时显示"申请投放"占位状态，
   投放后通过 JS / 广告代码替换 .ad-inner 内容。
   =================================================== */

/* 基础容器 */
.ad-slot {
  position: relative;
  z-index: 1;
}

/* 通用内框 */
.ad-inner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.ad-inner:hover { box-shadow: 0 0 0 1px rgba(14,165,233,.3); }

/* 广告角标 */
.ad-label {
  position: absolute;
  top: 6px; right: 8px;
  font-size: 0.62rem;
  color: var(--text-muted);
  background: rgba(5,13,26,.7);
  padding: 1px 5px;
  border-radius: 3px;
  z-index: 3;
  letter-spacing: 0.5px;
  pointer-events: none;
}

/* ---- 占位内容（未售出状态）---- */
.ad-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  width: 100%; height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    rgba(14,165,233,.025) 0px,
    rgba(14,165,233,.025) 1px,
    transparent 1px,
    transparent 14px
  );
  border: 1px dashed rgba(14,165,233,.2);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  transition: border-color var(--transition), background var(--transition);
}
.ad-placeholder:hover {
  border-color: rgba(14,165,233,.45);
  background: repeating-linear-gradient(
    -45deg,
    rgba(14,165,233,.04) 0px,
    rgba(14,165,233,.04) 1px,
    transparent 1px,
    transparent 14px
  );
}

.ad-ph-icon { font-size: 1.75rem; flex-shrink: 0; opacity: 0.7; }

.ad-ph-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.ad-ph-text strong {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
}
.ad-ph-text small {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.ad-contact-btn {
  background: linear-gradient(135deg, rgba(14,165,233,.15), rgba(139,92,246,.15));
  border: 1px solid rgba(14,165,233,.35);
  color: var(--accent-cyan);
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}
.ad-contact-btn:hover {
  background: linear-gradient(135deg, rgba(14,165,233,.25), rgba(139,92,246,.25));
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: none;
}

/* ---- 尺寸变体 ---- */

/* 970×90 通栏横幅 */
.ad-banner {
  max-width: 1400px;
  margin: 0 auto;
}
.ad-banner .ad-placeholder { min-height: 90px; }
.ad-top, .ad-mid, .ad-footer-top {
  padding: 0.75rem 2rem;
}

/* 728×90 小横幅 */
.ad-banner-sm .ad-placeholder { min-height: 90px; }
.ad-news-bottom {
  max-width: 1400px;
  margin: 1rem auto 0;
  padding: 0 2rem;
}

/* 300×250 方块 */
.ad-box .ad-placeholder {
  min-height: 200px;
  flex-direction: column;
  text-align: center;
}
.ad-box .ad-ph-icon { font-size: 2rem; }

/* Hero区广告（300×250，桌面端显示在 drone-orbit 上方） */
.ad-hero {
  margin-bottom: 1.25rem;
  width: 300px;
}
.ad-hero .ad-placeholder { min-height: 180px; flex-direction: column; text-align: center; }

/* 300×600 竖幅 */
.ad-tall .ad-placeholder {
  min-height: 480px;
  flex-direction: column;
  text-align: center;
  gap: 0.75rem;
}
.ad-tall .ad-ph-icon { font-size: 2.5rem; }

/* ---- 已售出状态（用 is-live class 切换）---- */
.ad-slot.is-live .ad-placeholder { display: none; }
.ad-slot.is-live .ad-inner {
  border: none;
  border-radius: 0;
}

/* ---- 广告位分隔线 ---- */
.ad-top    { border-bottom: 1px solid var(--border-color); }
.ad-mid    { border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); margin: 1rem 0; }
.ad-footer-top { border-top: 1px solid var(--border-color); padding-top: 1.25rem; padding-bottom: 0.5rem; }

/* ---- 移动端响应 ---- */
@media (max-width: 768px) {
  .ad-top, .ad-mid, .ad-footer-top { padding: 0.75rem 1rem; }
  .ad-news-bottom { padding: 0 1rem; }
  .ad-hero { display: none; } /* 移动端Hero已隐藏，广告同步隐藏 */
  .ad-sidebar { display: none; }
  .ad-banner .ad-placeholder { min-height: 60px; }
  .ad-ph-text strong { font-size: 0.78rem; }
  .ad-ph-text small { display: none; }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: rgba(14,165,233,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-blue); }

/* ---- 资讯列表内插广告卡 ---- */
.ad-news-inline-card {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.ad-inner-card-ph {
  position: relative;
  height: 100%;
}

/* ---- Selection ---- */
::selection { background: rgba(14,165,233,0.25); color: var(--text-primary); }