/* Aicoin Official Website - Global Styles */
/* Keywords: aicoin, aicoin官网, aicoin下载 */

:root {
  --primary: #1E6EF4;
  --primary-dark: #1558c7;
  --bg-dark: #0B0E15;
  --card-dark: #151A24;
  --text-primary: #FFFFFF;
  --text-secondary: #8F9BB3;
  --green: #00C087;
  --red: #F44351;
  --max-width: 1280px;
  --font-cn: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'Inter', 'Roboto', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-cn);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-width: 320px;
}

a { color: var(--primary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: #4d9aff; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* Navigation */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(11, 14, 21, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0 20px;
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: #fff; }
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { color: var(--text-secondary); font-size: 15px; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; border-radius: 8px; font-size: 14px; font-weight: 600;
  transition: all 0.3s ease; cursor: pointer; border: none; text-decoration: none;
}
.btn-outline { border: 1px solid rgba(255,255,255,0.2); color: #fff; background: transparent; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: scale(0.97); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: #00a876; color: #fff; }

/* Ticker Bar */
.ticker-bar {
  margin-top: 64px;
  background: var(--card-dark);
  overflow: hidden; white-space: nowrap;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 10px 0;
}
.ticker-track {
  display: inline-flex; gap: 40px;
  animation: ticker-scroll 40s linear infinite;
}
.ticker-bar:hover .ticker-track { animation-play-state: paused; }
@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-family: var(--font-en);
}
.ticker-item .symbol { font-weight: 700; color: #fff; }
.ticker-item .price { color: var(--text-secondary); font-family: var(--font-mono); }
.ticker-item .change-up { color: var(--green); font-weight: 600; }
.ticker-item .change-down { color: var(--red); font-weight: 600; }

/* Hero */
.hero {
  padding: 100px 20px 80px;
  text-align: center;
  background: linear-gradient(180deg, rgba(30,110,244,0.08) 0%, transparent 60%);
  position: relative; overflow: hidden;
}
.hero h1 { font-size: 48px; font-weight: 800; margin-bottom: 16px; line-height: 1.2; }
.hero h1 span { color: var(--primary); }
.hero .subtitle { font-size: 18px; color: var(--text-secondary); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { font-size: 14px; color: var(--text-secondary); }
.hero-stats strong { color: var(--primary); font-size: 18px; }

/* Section */
.section { padding: 80px 20px; }
.section-title { text-align: center; font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.section-desc { text-align: center; color: var(--text-secondary); font-size: 16px; margin-bottom: 48px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Market Dashboard */
.dashboard-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px; max-width: var(--max-width); margin: 0 auto;
}
.dash-card {
  background: var(--card-dark); border-radius: 12px; padding: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.dash-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(30,110,244,0.15); }
.dash-card .label { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.dash-card .value { font-size: 24px; font-weight: 700; font-family: var(--font-mono); }
.dash-card .change { font-size: 13px; margin-top: 4px; }

/* Leaderboard & News */
.dual-column {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  max-width: var(--max-width); margin: 0 auto;
}
.leaderboard-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.tab-btn {
  padding: 8px 20px; border-radius: 20px; font-size: 13px; font-weight: 600;
  background: var(--card-dark); color: var(--text-secondary); border: 1px solid rgba(255,255,255,0.08);
}
.tab-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.coin-list { list-style: none; }
.coin-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.2s;
}
.coin-item:hover { background: rgba(255,255,255,0.02); }
.coin-rank { width: 30px; color: var(--text-secondary); font-size: 13px; }
.coin-name { font-weight: 600; font-size: 15px; flex: 1; }
.coin-price { font-family: var(--font-mono); font-size: 14px; margin-right: 16px; }
.coin-change { font-family: var(--font-mono); font-size: 14px; font-weight: 600; min-width: 70px; text-align: right; }

.news-list { list-style: none; }
.news-item {
  display: flex; gap: 12px; padding: 16px;
  background: var(--card-dark); border-radius: 10px; margin-bottom: 10px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: transform 0.2s;
}
.news-item:hover { transform: translateX(4px); }
.news-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.news-icon.whale { background: rgba(30,110,244,0.15); }
.news-icon.alert { background: rgba(244,67,81,0.15); }
.news-icon.info { background: rgba(0,192,135,0.15); }
.news-content { flex: 1; }
.news-content .title { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.news-content .time { font-size: 12px; color: var(--text-secondary); }

/* Feature Cards */
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px; max-width: var(--max-width); margin: 0 auto;
}
.feature-card {
  background: var(--card-dark); border-radius: 16px; padding: 32px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(30,110,244,0.12); }
.feature-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 20px; background: rgba(30,110,244,0.1); }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.feature-card .link { font-size: 14px; font-weight: 600; color: var(--primary); }

/* Stats Section */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px; max-width: var(--max-width); margin: 0 auto; text-align: center;
}
.stat-item .number { font-size: 40px; font-weight: 800; color: var(--primary); font-family: var(--font-mono); }
.stat-item .label { font-size: 14px; color: var(--text-secondary); margin-top: 8px; }

/* Partners */
.partners-track {
  display: flex; gap: 48px; align-items: center; justify-content: center;
  flex-wrap: wrap; max-width: var(--max-width); margin: 0 auto;
  opacity: 0.5;
}
.partner-logo { font-size: 18px; font-weight: 700; color: var(--text-secondary); letter-spacing: 1px; }

/* Download CTA */
.download-section {
  background: linear-gradient(135deg, #0d1420 0%, #151A24 100%);
  padding: 80px 20px; text-align: center;
}
.download-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.download-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 12px;
  background: var(--card-dark); border: 1px solid rgba(255,255,255,0.1);
  color: #fff; font-size: 15px; font-weight: 600;
  transition: all 0.3s ease;
}
.download-btn:hover { border-color: var(--primary); background: rgba(30,110,244,0.1); color: #fff; transform: translateY(-2px); }
.download-btn .icon { font-size: 24px; }

/* FAQ */
.faq-section { max-width: 800px; margin: 0 auto; }
.faq-category { margin-bottom: 40px; }
.faq-category h3 { font-size: 20px; font-weight: 700; margin-bottom: 20px; color: var(--primary); padding-bottom: 10px; border-bottom: 2px solid rgba(30,110,244,0.2); }
.faq-item { margin-bottom: 20px; background: var(--card-dark); border-radius: 12px; padding: 24px; border: 1px solid rgba(255,255,255,0.04); }
.faq-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 12px; }
.faq-item .step { display: flex; gap: 10px; margin-bottom: 8px; font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.faq-item .step-num { color: var(--primary); font-weight: 700; min-width: 24px; }

/* Footer */
.footer {
  background: #080a10; padding: 60px 20px 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px; max-width: var(--max-width); margin: 0 auto 40px;
}
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: #fff; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-secondary); font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  text-align: center; padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
  max-width: var(--max-width); margin: 0 auto;
}
.footer-bottom p { font-size: 13px; color: var(--text-secondary); }
.footer-social { display: flex; gap: 16px; justify-content: center; margin-bottom: 16px; }
.footer-social a { color: var(--text-secondary); font-size: 20px; transition: color 0.3s; }
.footer-social a:hover { color: var(--primary); }
.footer-sitemap { margin-top: 12px; }
.footer-sitemap a { color: var(--text-secondary); font-size: 13px; }

/* Subpage Hero */
.page-hero {
  padding: 120px 20px 60px;
  text-align: center;
  background: linear-gradient(180deg, rgba(30,110,244,0.06) 0%, transparent 100%);
}
.page-hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 16px; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* Content blocks */
.content-block {
  max-width: var(--max-width); margin: 0 auto; padding: 40px 20px;
}
.content-block h2 { font-size: 24px; font-weight: 700; margin-bottom: 16px; }
.content-block p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }

/* Table */
.data-table {
  width: 100%; border-collapse: collapse; margin: 20px 0;
  background: var(--card-dark); border-radius: 12px; overflow: hidden;
}
.data-table th {
  background: rgba(30,110,244,0.1); padding: 14px 16px;
  text-align: left; font-size: 13px; font-weight: 600; color: var(--text-secondary);
}
.data-table td {
  padding: 12px 16px; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,0.04);
}
.data-table tr:hover td { background: rgba(255,255,255,0.02); }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 32px; }
  .hero .subtitle { font-size: 15px; }
  .dual-column { grid-template-columns: 1fr; }
  .section { padding: 50px 16px; }
  .section-title { font-size: 24px; }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item .number { font-size: 28px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 375px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
}