/* ========================================
   体育比分与赔率数据中心 - 全站样式表
   配色：石墨灰 #2C3E50 | 云灰 #ECF0F1 | 翡翠绿 #2ECC71
   字体：Roboto Mono + Noto Sans SC
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Roboto+Mono:wght@400;500;700&display=swap');

/* === Reset & Base === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #2C3E50;
  --primary-dark: #1a252f;
  --primary-light: #34495E;
  --secondary: #ECF0F1;
  --accent: #2ECC71;
  --accent-dark: #27AE60;
  --danger: #E74C3C;
  --warning: #F39C12;
  --text-primary: #ECF0F1;
  --text-secondary: #BDC3C7;
  --text-dark: #2C3E50;
  --border: #3d5166;
  --card-bg: #34495E;
  --font-mono: 'Roboto Mono', monospace;
  --font-sans: 'Noto Sans SC', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--primary);
  color: var(--text-primary);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent-dark); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1em; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* === Header === */
.site-header {
  background: var(--primary-dark);
  border-bottom: 2px solid var(--accent);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-area img {
  height: 40px;
  width: auto;
}

.logo-area span {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

/* === Navigation === */
.main-nav { width: 100%; }

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  background: var(--primary);
  border-radius: 4px;
  margin-top: 8px;
}

.nav-list li a {
  display: block;
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s;
  border-bottom: 2px solid transparent;
}

.nav-list li a:hover,
.nav-list li a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(46,204,113,0.08);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 8px 14px;
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: 4px;
}

/* === Breadcrumb === */
.breadcrumb {
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumb a { color: var(--accent); }
.breadcrumb span { margin: 0 6px; }

/* === Hero Banner === */
.hero-banner {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  margin: 20px 0;
}

.hero-banner img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(44,62,80,0.9), rgba(44,62,80,0.5));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
}

.hero-overlay h1 {
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 10px;
}

.hero-overlay p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
}

/* === Section Titles === */
.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 30px 0 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.section-title h2 {
  font-size: 1.3rem;
  color: var(--accent);
  margin: 0;
}

.section-title .indicator {
  width: 4px;
  height: 24px;
  background: var(--accent);
  border-radius: 2px;
}

/* === Live Score Ticker === */
.live-ticker {
  display: flex;
  gap: 15px;
  overflow-x: auto;
  padding: 10px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--primary);
}

.live-ticker::-webkit-scrollbar { height: 4px; }
.live-ticker::-webkit-scrollbar-track { background: var(--primary); }
.live-ticker::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

.ticker-card {
  min-width: 220px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  flex-shrink: 0;
  transition: transform 0.3s, box-shadow 0.3s;
}

.ticker-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.ticker-card .league {
  font-size: 0.75rem;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 6px;
}

.ticker-card .teams {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.ticker-card .team-name {
  font-size: 0.85rem;
  font-weight: 500;
}

.ticker-card .score {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.ticker-card .odds-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  padding-top: 6px;
  margin-top: 6px;
}

.ticker-card .live-badge {
  display: inline-block;
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 3px;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* === Value Bet Cards === */
.value-bets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 15px;
}

.value-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  border-left: 3px solid var(--accent);
  transition: transform 0.3s;
}

.value-card:hover { transform: translateY(-3px); }

.value-card .match-info {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.value-card .bet-type {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 4px;
}

.value-card .odds-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.value-card .reason {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* === Dropping Odds Table === */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin: 10px 0;
}

.data-table thead {
  background: var(--primary-dark);
}

.data-table th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

.data-table tbody tr:hover {
  background: rgba(46,204,113,0.05);
}

.data-table .change-down {
  color: var(--danger);
}

.data-table .change-up {
  color: var(--accent);
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* === League Logo Wall === */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 12px;
  padding: 10px 0;
}

.logo-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 15px 10px;
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
}

.logo-item:hover {
  border-color: var(--accent);
  transform: scale(1.05);
}

.logo-item .league-icon {
  font-size: 2rem;
  margin-bottom: 6px;
}

.logo-item .league-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* === Academy Steps === */
.academy-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 15px 0;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  position: relative;
}

.step-card .step-num {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 auto 12px;
}

.step-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* === Preview Section === */
.preview-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin: 15px 0;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 15px 0;
}

.preview-grid img {
  border-radius: 6px;
  width: 100%;
}

.stats-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 15px;
}

.stat-box {
  background: var(--primary);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
}

.stat-box .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-box .stat-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
}

/* === Content Pages === */
.page-content {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 25px;
  margin: 15px 0;
  line-height: 2;
}

.page-content h2 {
  color: var(--accent);
  margin-top: 25px;
}

.page-content h3 {
  color: var(--text-primary);
  margin-top: 20px;
}

.page-content p {
  color: var(--text-secondary);
  text-indent: 2em;
}

.page-content ul, .page-content ol {
  padding-left: 2em;
  margin: 10px 0;
  color: var(--text-secondary);
}

.page-content li { margin-bottom: 6px; }

/* === Match Analysis === */
.match-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  border-radius: 8px;
  padding: 25px;
  text-align: center;
  margin: 15px 0;
}

.match-header .vs-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin: 15px 0;
}

.match-header .team-block {
  text-align: center;
}

.match-header .team-block .team-icon {
  font-size: 3rem;
  margin-bottom: 8px;
}

.match-header .team-block .team-label {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.match-header .vs-text {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.match-header .score-display {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.2em;
}

/* === APP Download === */
.app-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: 12px;
  padding: 40px 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
  margin: 20px 0;
}

.app-hero .app-info h2 {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 15px;
}

.app-hero .app-info p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.download-btn {
  display: inline-block;
  background: var(--accent);
  color: var(--primary);
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s;
  margin: 5px;
}

.download-btn:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}

.app-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.feature-card .feature-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.feature-card h4 { margin-bottom: 8px; }

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* === Footer === */
.site-footer {
  background: var(--primary-dark);
  border-top: 2px solid var(--accent);
  padding: 30px 0 15px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin-bottom: 20px;
}

.footer-col h4 {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

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

.footer-col ul li {
  margin-bottom: 6px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 15px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-bottom p { margin-bottom: 4px; text-indent: 0; }

/* === Animations === */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.number-scroll {
  display: inline-block;
  transition: all 0.5s ease;
}

/* === Responsive === */
@media (max-width: 768px) {
  html { font-size: 14px; }

  .header-inner { justify-content: space-between; }

  .menu-toggle { display: block; }

  .main-nav { display: none; width: 100%; }
  .main-nav.open { display: block; }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-list li a {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
  }

  .hero-overlay h1 { font-size: 1.3rem; }
  .hero-banner img { height: 200px; }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.3rem; }

  .preview-grid { grid-template-columns: 1fr; }
  .stats-comparison { grid-template-columns: 1fr; }

  .app-hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 25px 15px;
  }

  .app-hero img { max-width: 250px; margin: 0 auto; }

  .value-bets { grid-template-columns: 1fr; }

  .logo-wall { grid-template-columns: repeat(3, 1fr); }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .match-header .vs-display { gap: 15px; }
  .match-header .score-display { font-size: 2rem; }
  .match-header .team-block .team-icon { font-size: 2rem; }
}

@media (max-width: 480px) {
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .academy-steps { grid-template-columns: 1fr; }
}

/* === Utility === */
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-secondary); }
.text-center { text-align: center; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.hidden { display: none !important; }