/* ============================================
   星空体育 - 全站样式表
   配色方案：深海蓝 + 星空金 + 科技青
   ============================================ */

/* CSS变量定义 */
:root {
  --primary-dark: #050d1a;
  --primary-blue: #0b1d3a;
  --accent-gold: #e8b830;
  --accent-cyan: #00c8ff;
  --accent-purple: #7b2ff7;
  --text-white: #f0f0f0;
  --text-gray: #a8b2c1;
  --text-light: #d4dae5;
  --card-bg: rgba(11, 29, 58, 0.85);
  --card-border: rgba(0, 200, 255, 0.15);
  --gradient-hero: linear-gradient(135deg, #050d1a 0%, #0b1d3a 40%, #112244 100%);
  --gradient-gold: linear-gradient(135deg, #e8b830 0%, #f5d060 100%);
  --gradient-cyan: linear-gradient(135deg, #00c8ff 0%, #0090cc 100%);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(0, 200, 255, 0.2);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
}

/* 重置与基础 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  background: var(--primary-dark);
  color: var(--text-white);
  line-height: 1.75;
  overflow-x: hidden;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-cyan); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent-gold); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }

/* 容器 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.section-padding { padding: 60px 0; }

/* ============ 导航栏 ============ */
.site-header {
  background: linear-gradient(180deg, rgba(5,13,26,0.98) 0%, rgba(11,29,58,0.95) 100%);
  border-bottom: 1px solid var(--card-border);
  padding: 0;
  position: relative;
  z-index: 100;
}
.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 42px; width: auto; }
.nav-logo span { font-size: 1.2rem; font-weight: 800; color: var(--accent-gold); letter-spacing: 1px; }
.nav-menu { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.nav-menu a {
  padding: 8px 14px;
  font-size: 0.9rem;
  color: var(--text-light);
  border-radius: var(--radius-sm);
  transition: all 0.3s;
  white-space: nowrap;
}
.nav-menu a:hover, .nav-menu a.active {
  background: rgba(0, 200, 255, 0.1);
  color: var(--accent-cyan);
}
.nav-cta {
  background: var(--gradient-gold) !important;
  color: #050d1a !important;
  font-weight: 700 !important;
  padding: 10px 20px !important;
  border-radius: var(--radius-sm) !important;
}
.nav-cta:hover { opacity: 0.9; transform: scale(1.03); }
.mobile-toggle {
  display: none;
  background: none;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-size: 1.4rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ============ Hero区域 ============ */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 60px 16px;
}
.hero-content h1 {
  font-size: 2.6rem;
  margin-bottom: 16px;
  background: linear-gradient(90deg, var(--accent-gold), #fff, var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content p { font-size: 1.1rem; color: var(--text-gray); margin-bottom: 24px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  display: inline-block;
  background: var(--gradient-gold);
  color: #050d1a;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,184,48,0.4); color: #050d1a; }
.btn-secondary {
  display: inline-block;
  background: transparent;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: all 0.3s;
}
.btn-secondary:hover { background: rgba(0,200,255,0.1); transform: translateY(-2px); }

/* ============ 通用卡片 ============ */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.card img { border-radius: var(--radius-sm); margin-bottom: 16px; }
.card h3 { color: var(--accent-gold); margin-bottom: 10px; font-size: 1.15rem; }
.card p { color: var(--text-gray); font-size: 0.95rem; }

/* ============ 栅格系统 ============ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ============ 章节标题 ============ */
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent-cyan);
  margin: 10px auto 0;
  border-radius: 2px;
}
.section-title p { color: var(--text-gray); max-width: 600px; margin: 0 auto; }

/* ============ 电竞预测模块 ============ */
.prediction-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.prediction-card .pred-img { position: relative; }
.prediction-card .pred-img img { width: 100%; height: 220px; object-fit: cover; }
.prediction-card .pred-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--accent-purple);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}
.prediction-card .pred-body { padding: 20px; }
.prediction-card .pred-teams {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.prediction-card .pred-teams .team { text-align: center; }
.prediction-card .pred-teams .vs {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-gold);
}
.prediction-card .pred-result {
  background: rgba(0,200,255,0.08);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-top: 12px;
}

/* ============ 足球赔率模块 ============ */
.odds-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.odds-table thead { background: rgba(0,200,255,0.12); }
.odds-table th, .odds-table td {
  padding: 14px 16px;
  text-align: center;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.9rem;
}
.odds-table th { color: var(--accent-gold); font-weight: 700; font-size: 0.85rem; text-transform: uppercase; }
.odds-table td { color: var(--text-light); }
.odds-table tr:hover { background: rgba(0,200,255,0.05); }
.odds-val { font-weight: 700; color: var(--accent-cyan); }
.odds-win { color: #4caf50; }
.odds-lose { color: #f44336; }
.odds-draw { color: var(--accent-gold); }

/* ============ 牌照模块 ============ */
.license-section { background: linear-gradient(135deg, #0a1628 0%, #112244 100%); }
.license-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.license-img img { border-radius: var(--radius-md); box-shadow: var(--shadow-card); }
.license-info h3 { color: var(--accent-gold); font-size: 1.5rem; margin-bottom: 16px; }
.license-info p { color: var(--text-gray); margin-bottom: 12px; }
.license-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,184,48,0.1);
  border: 1px solid rgba(232,184,48,0.3);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--accent-gold);
  font-weight: 600;
  margin-top: 12px;
}

/* ============ 文章模块 ============ */
.article-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s;
}
.article-card:hover { transform: translateY(-6px); }
.article-card .art-thumb { height: 180px; overflow: hidden; }
.article-card .art-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.article-card:hover .art-thumb img { transform: scale(1.08); }
.article-card .art-body { padding: 20px; }
.article-card .art-tag {
  display: inline-block;
  background: rgba(123,47,247,0.2);
  color: var(--accent-purple);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  margin-bottom: 10px;
}
.article-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--text-white); }
.article-card p { color: var(--text-gray); font-size: 0.88rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ============ 视频模块 ============ */
.video-section { background: var(--primary-blue); }
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-card);
}
.video-wrapper iframe, .video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(232,184,48,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  transition: all 0.3s;
}
.video-play-btn:hover { transform: translate(-50%, -50%) scale(1.1); background: var(--accent-gold); }
.video-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent #050d1a;
  margin-left: 4px;
}
.video-poster { position: absolute; inset: 0; z-index: 1; }
.video-poster img { width: 100%; height: 100%; object-fit: cover; }

/* ============ 关于简介 ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.about-img img { border-radius: var(--radius-md); box-shadow: var(--shadow-card); }
.about-text h3 { color: var(--accent-gold); font-size: 1.6rem; margin-bottom: 16px; }
.about-text p { color: var(--text-gray); margin-bottom: 14px; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.stat-item { text-align: center; }
.stat-item .stat-num { font-size: 2rem; font-weight: 800; color: var(--accent-cyan); }
.stat-item .stat-label { font-size: 0.85rem; color: var(--text-gray); }

/* ============ 注册模块 ============ */
.register-section {
  background: linear-gradient(135deg, #112244 0%, #1a0a3a 100%);
}
.register-form {
  max-width: 500px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
}
.register-form h3 { text-align: center; color: var(--accent-gold); font-size: 1.5rem; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; color: var(--text-light); margin-bottom: 6px; font-size: 0.9rem; }
.form-group input, .form-group select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 1rem;
  transition: border-color 0.3s;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent-cyan);
}
.form-group input::placeholder { color: var(--text-gray); }
.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--gradient-gold);
  color: #050d1a;
  font-weight: 700;
  font-size: 1.1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 8px;
}
.form-submit:hover { opacity: 0.9; transform: translateY(-2px); }

/* ============ FAQ模块 ============ */
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-white);
  transition: background 0.3s;
}
.faq-question:hover { background: rgba(0,200,255,0.05); }
.faq-question .faq-icon {
  font-size: 1.4rem;
  color: var(--accent-cyan);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner { padding: 0 24px 18px; color: var(--text-gray); line-height: 1.8; }

/* ============ 用户评论 ============ */
.review-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.review-header { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #050d1a;
  flex-shrink: 0;
}
.review-meta h4 { font-size: 1rem; color: var(--text-white); margin-bottom: 2px; }
.review-meta .review-info { font-size: 0.8rem; color: var(--text-gray); }
.review-stars { color: var(--accent-gold); font-size: 0.9rem; margin-bottom: 10px; letter-spacing: 2px; }
.review-text { color: var(--text-gray); font-size: 0.92rem; line-height: 1.7; }
.review-date { font-size: 0.78rem; color: var(--text-gray); margin-top: 10px; opacity: 0.7; }

/* ============ 支付方式 ============ */
.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.payment-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}
.payment-item img { max-height: 60px; margin: 0 auto 12px; }
.payment-item h4 { color: var(--accent-gold); margin-bottom: 6px; }
.payment-item p { color: var(--text-gray); font-size: 0.85rem; }

/* ============ 客户支持 ============ */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.support-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}
.support-icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
  display: block;
}
.support-item h4 { color: var(--accent-gold); margin-bottom: 8px; }
.support-item p { color: var(--text-gray); font-size: 0.9rem; }

/* ============ 负责任博彩 ============ */
.responsible-section {
  background: linear-gradient(135deg, #1a0a2e 0%, #0b1d3a 100%);
  border-top: 2px solid rgba(232,184,48,0.2);
}
.responsible-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.responsible-item { text-align: center; padding: 20px; }
.responsible-item .resp-icon { font-size: 2.5rem; margin-bottom: 12px; }
.responsible-item h4 { color: var(--accent-gold); margin-bottom: 8px; }
.responsible-item p { color: var(--text-gray); font-size: 0.9rem; }
.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid #f44336;
  color: #f44336;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

/* ============ 页脚 ============ */
.site-footer {
  background: linear-gradient(180deg, #050d1a 0%, #020812 100%);
  border-top: 1px solid var(--card-border);
  padding: 50px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-col h4 {
  color: var(--accent-gold);
  margin-bottom: 16px;
  font-size: 1rem;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent-cyan);
}
.footer-col a { display: block; color: var(--text-gray); padding: 4px 0; font-size: 0.88rem; transition: color 0.3s; }
.footer-col a:hover { color: var(--accent-cyan); }
.footer-col p { color: var(--text-gray); font-size: 0.85rem; }
.footer-social { display: flex; gap: 12px; margin-top: 12px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0,200,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 0.9rem;
  transition: all 0.3s;
}
.footer-social a:hover { background: var(--accent-cyan); color: #050d1a; }
.footer-bottom {
  border-top: 1px solid var(--card-border);
  padding-top: 20px;
  text-align: center;
}
.footer-bottom p { color: var(--text-gray); font-size: 0.8rem; margin-bottom: 6px; }
.footer-payments { display: flex; justify-content: center; gap: 16px; margin-top: 12px; flex-wrap: wrap; }
.footer-payments img { height: 28px; opacity: 0.7; transition: opacity 0.3s; }
.footer-payments img:hover { opacity: 1; }

/* ============ 面包屑导航 ============ */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.85rem;
}
.breadcrumb a { color: var(--text-gray); }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb span { color: var(--accent-gold); }
.breadcrumb .sep { margin: 0 8px; color: var(--text-gray); }

/* ============ 内页样式 ============ */
.page-hero {
  background: var(--gradient-hero);
  padding: 80px 0 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,200,255,0.08) 0%, transparent 70%);
}
.page-hero h1 { font-size: 2.2rem; color: var(--accent-gold); margin-bottom: 12px; position: relative; }
.page-hero p { color: var(--text-gray); max-width: 600px; margin: 0 auto; position: relative; }

.content-section { padding: 50px 0; }
.content-section h2 { color: var(--accent-gold); font-size: 1.6rem; margin-bottom: 16px; }
.content-section h3 { color: var(--accent-cyan); font-size: 1.25rem; margin: 20px 0 12px; }
.content-section p { color: var(--text-gray); margin-bottom: 14px; }
.content-section ul { margin: 12px 0; padding-left: 20px; }
.content-section li { color: var(--text-gray); margin-bottom: 6px; position: relative; padding-left: 16px; }
.content-section li::before { content: '▸'; position: absolute; left: 0; color: var(--accent-cyan); }

.content-img {
  border-radius: var(--radius-md);
  margin: 20px 0;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.content-img img { width: 100%; }

/* ============ APP下载页面 ============ */
.app-hero {
  background: linear-gradient(135deg, #0a1628 0%, #1a0a3a 50%, #0b1d3a 100%);
  padding: 80px 0;
}
.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.app-info h1 { color: var(--accent-gold); font-size: 2.2rem; margin-bottom: 16px; }
.app-info p { color: var(--text-gray); margin-bottom: 20px; }
.app-features { margin: 20px 0; }
.app-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text-light);
}
.app-feature-item .feat-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,200,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.download-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 24px; }
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s;
}
.dl-btn-ios { background: var(--gradient-gold); color: #050d1a; }
.dl-btn-android { background: var(--gradient-cyan); color: #050d1a; }
.dl-btn:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }
.app-img img { border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }

/* ============ 充值活动 ============ */
.promo-section { background: linear-gradient(135deg, #1a0a2e 0%, #112244 100%); }
.promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.promo-card {
  background: var(--card-bg);
  border: 1px solid rgba(232,184,48,0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s;
}
.promo-card:hover { transform: translateY(-4px); }
.promo-card .promo-img img { width: 100%; height: 180px; object-fit: cover; }
.promo-card .promo-body { padding: 20px; }
.promo-card h3 { color: var(--accent-gold); margin-bottom: 8px; }
.promo-card p { color: var(--text-gray); font-size: 0.9rem; }
.promo-tag {
  display: inline-block;
  background: rgba(232,184,48,0.15);
  color: var(--accent-gold);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  margin-bottom: 8px;
}

/* ============ 响应式设计 ============ */
@media (max-width: 992px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .license-grid, .about-grid, .app-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 2rem; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--primary-blue); padding: 16px; border-top: 1px solid var(--card-border); z-index: 99; }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 16px; }
  .mobile-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 1.7rem; }
  .hero-content { padding: 40px 16px; }
  .hero-section { min-height: 400px; }
  .section-padding { padding: 40px 0; }
  .section-title h2 { font-size: 1.6rem; }
  .page-hero { padding: 60px 0 30px; }
  .page-hero h1 { font-size: 1.8rem; }
  .odds-table { font-size: 0.8rem; }
  .odds-table th, .odds-table td { padding: 10px 8px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
  .container { padding: 0 12px; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; text-align: center; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-item .stat-num { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .download-btns { flex-direction: column; }
  .dl-btn { justify-content: center; }
}

/* ============ 动画效果 ============ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }
.pulse { animation: pulse 2s infinite; }

/* 滚动动画 */
.reveal { opacity: 0; transform: translateY(20px); transition: all 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }