/* ========================================
   ProSportsDataAnalysis - 全局样式
   配色：深蓝#0A1931 银灰#C2C2C2 电光蓝#00FFFF
   字体：Source Han Sans CN Bold / Noto Sans SC Light
======================================== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  --primary: #0A1931;
  --primary-light: #132744;
  --primary-dark: #060f1f;
  --secondary: #C2C2C2;
  --accent: #00FFFF;
  --accent-dim: rgba(0,255,255,0.15);
  --text-primary: #EAEAEA;
  --text-secondary: #A0A0A0;
  --card-bg: rgba(19,39,68,0.85);
  --card-border: rgba(0,255,255,0.12);
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 40px rgba(0,255,255,0.15);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 300;
  background-color: var(--primary-dark);
  color: var(--text-primary);
  line-height: 1.8;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: #fff;
  text-shadow: 0 0 8px var(--accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== 导航 ========== */
.site-nav {
  background: var(--primary);
  border-bottom: 1px solid var(--card-border);
  padding: 0;
  /* 非sticky */
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  flex-wrap: wrap;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
}
.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #0077ff);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 6px;
  flex-wrap: wrap;
}
.nav-links a {
  display: block;
  padding: 8px 14px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-radius: 6px;
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--accent);
  color: var(--accent);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.2rem;
}

/* ========== 面包屑 ========== */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.breadcrumb a {
  color: var(--text-secondary);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb span {
  margin: 0 6px;
  color: var(--secondary);
}

/* ========== Hero ========== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--primary-dark) 100%);
  padding: 60px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(0,255,255,0.05) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(0,119,255,0.05) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}
@keyframes heroGlow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(20px, -20px); }
}
.hero h1 {
  position: relative;
  z-index: 1;
  margin-bottom: 16px;
}
.hero h1 .highlight {
  color: var(--accent);
  text-shadow: 0 0 20px rgba(0,255,255,0.4);
}
.hero p {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ========== 模块通用 ========== */
.section {
  padding: 50px 0;
}
.section-title {
  text-align: center;
  margin-bottom: 36px;
}
.section-title h2 {
  margin-bottom: 10px;
}
.section-title h2 .accent {
  color: var(--accent);
}
.section-title p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== 卡片网格 ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  animation: fadeInUp 0.6s ease both;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0,255,255,0.3);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: 20px;
}
.card-body h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}
.card-body p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 12px;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding-top: 12px;
  border-top: 1px solid var(--card-border);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
}

.btn {
  display: inline-block;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--accent), #0077ff);
  color: var(--primary);
  font-weight: 700;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,255,255,0.3);
  color: var(--primary);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: var(--primary);
}

/* ========== 数据看板 ========== */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}
.stat-card .stat-value {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}
.stat-card .stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========== 趋势图表区 ========== */
.chart-container {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}
.chart-container canvas {
  width: 100% !important;
  max-height: 350px;
}

/* ========== 专家区 ========== */
.expert-card {
  display: flex;
  gap: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  transition: var(--transition);
  animation: fadeInUp 0.6s ease both;
}
.expert-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  flex-shrink: 0;
}
.expert-info h4 {
  margin-bottom: 4px;
}
.expert-info .expert-title {
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 8px;
}
.expert-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========== 轮播 ========== */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}
.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}
.carousel-slide {
  min-width: 100%;
  position: relative;
}
.carousel-slide img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}
.carousel-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  background: linear-gradient(transparent, rgba(10,25,49,0.95));
}
.carousel-overlay h3 {
  margin-bottom: 8px;
}
.carousel-overlay p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,255,255,0.2);
  border: 1px solid var(--accent);
  color: var(--accent);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 5;
}
.carousel-btn:hover {
  background: var(--accent);
  color: var(--primary);
}
.carousel-btn.prev { left: 16px; }
.carousel-btn.next { right: 16px; }

/* ========== 评价/反馈 ========== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.review-card:hover {
  border-color: rgba(0,255,255,0.3);
}
.review-stars {
  color: #FFD700;
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.review-text {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 12px;
  font-style: italic;
}
.review-author {
  font-size: 0.85rem;
  color: var(--secondary);
}

/* ========== 内页详情 ========== */
.page-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 40px 0;
  border-bottom: 1px solid var(--card-border);
}
.page-header h1 {
  margin-bottom: 10px;
}
.page-header .page-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.content-area {
  padding: 40px 0;
}
.content-area p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
}
.content-area h2, .content-area h3 {
  margin-top: 30px;
  margin-bottom: 14px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
}
.data-table th, .data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}
.data-table th {
  background: var(--primary);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
}
.data-table td {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.data-table tr:hover td {
  background: rgba(0,255,255,0.05);
}

.odds-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 20px 0;
  text-align: center;
}
.odds-box .odds-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary);
  border-top: 1px solid var(--card-border);
  padding: 50px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-col h4 {
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 1rem;
}
.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 8px;
}
.footer-col a {
  color: var(--text-secondary);
  font-size: 0.88rem;
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-col p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
}
.footer-bottom {
  border-top: 1px solid var(--card-border);
  padding-top: 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.82rem;
}
.footer-bottom p {
  margin-bottom: 6px;
}

/* ========== APP下载页 ========== */
.app-hero {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}
.app-hero h1 {
  margin-bottom: 16px;
}
.app-hero p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 30px;
}
.app-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.app-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  padding: 50px 0;
}
.app-feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  transition: var(--transition);
}
.app-feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.app-feature-card .feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.app-feature-card h3 {
  margin-bottom: 10px;
}
.app-feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  html { font-size: 14px; }
  
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: 10px 0;
  }
  .nav-links.active { display: flex; }
  .nav-links a { padding: 10px 14px; }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .expert-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .carousel-slide img {
    height: 250px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.4rem; }
}

@media (max-width: 480px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .review-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 滚动动画 ========== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 隐私/免责页面 ========== */
.legal-content {
  padding: 40px 0;
  max-width: 800px;
  margin: 0 auto;
}
.legal-content h2 {
  margin-top: 30px;
  margin-bottom: 14px;
}
.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 14px;
}