/* ============================================
   开云体育 - 全站样式表
   独特配色: 深蓝渐变 + 青金石蓝 + 电光青
   ============================================ */

/* CSS变量定义 */
:root {
  --primary-dark: #0a1628;
  --primary-blue: #0d47a1;
  --accent-cyan: #00e5ff;
  --accent-gold: #ffd740;
  --text-white: #f5f5f5;
  --text-gray: #b0bec5;
  --card-bg: rgba(13, 25, 50, 0.85);
  --border-glow: rgba(0, 229, 255, 0.3);
  --gradient-hero: linear-gradient(135deg, #0a1628 0%, #1a237e 50%, #0d47a1 100%);
  --gradient-card: linear-gradient(145deg, rgba(13,71,161,0.4), rgba(10,22,40,0.9));
  --gradient-btn: linear-gradient(90deg, #00e5ff, #2979ff);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(0,229,255,0.2);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-heading: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 重置样式 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  background: var(--primary-dark);
  color: var(--text-white);
  line-height: 1.8;
  overflow-x: hidden;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-cyan); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-gold); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.3; }

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

/* ========== 导航栏 (非sticky) ========== */
.site-header {
  background: linear-gradient(180deg, rgba(10,22,40,0.98), rgba(13,71,161,0.6));
  padding: 12px 0;
  border-bottom: 1px solid var(--border-glow);
  position: relative;
  z-index: 100;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 42px; width: auto; border-radius: var(--radius-sm); }
.nav-logo span { font-size: 1.2rem; font-weight: 700; color: var(--accent-cyan); letter-spacing: 1px; }
.nav-toggle { display: none; background: none; border: 2px solid var(--accent-cyan); color: var(--accent-cyan); padding: 6px 12px; border-radius: var(--radius-sm); font-size: 1.4rem; cursor: pointer; }
.nav-menu { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.nav-menu a {
  display: inline-block;
  padding: 8px 14px;
  color: var(--text-white);
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-menu a:hover, .nav-menu a.active { background: rgba(0,229,255,0.15); color: var(--accent-cyan); }
.nav-cta {
  background: var(--gradient-btn);
  color: #000 !important;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px rgba(0,229,255,0.3);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,229,255,0.5); }

/* ========== 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-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,22,40,0.7) 0%, rgba(10,22,40,0.4) 50%, rgba(10,22,40,0.9) 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; text-align: center; padding: 60px 20px; width: 100%; }
.hero-content h1 { font-size: 2.6rem; margin-bottom: 16px; background: linear-gradient(90deg, #fff, var(--accent-cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-content p { font-size: 1.15rem; color: var(--text-gray); max-width: 700px; margin: 0 auto 28px; }
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-block;
  background: var(--gradient-btn);
  color: #000;
  font-weight: 700;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(0,229,255,0.3);
  transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,229,255,0.5); color: #000; }
.btn-outline {
  display: inline-block;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  padding: 12px 34px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-outline:hover { background: rgba(0,229,255,0.1); transform: translateY(-3px); }

/* ========== 通用区块 ========== */
.section { padding: 60px 0; }
.section-alt { background: linear-gradient(180deg, rgba(13,25,50,0.5), rgba(10,22,40,1)); }
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gradient-btn);
  margin: 10px auto 0;
  border-radius: 2px;
}
.section-title p { color: var(--text-gray); font-size: 1rem; max-width: 600px; margin: 0 auto; }

/* ========== 卡片网格 ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow), var(--shadow-card); border-color: var(--accent-cyan); }
.card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 20px; }
.card-body h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--accent-cyan); }
.card-body p { font-size: 0.92rem; color: var(--text-gray); line-height: 1.7; }
.card-tag {
  display: inline-block;
  background: rgba(0,229,255,0.15);
  color: var(--accent-cyan);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  margin-top: 10px;
}

/* ========== 赔率表格 ========== */
.odds-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border-glow);
}
.odds-table thead { background: linear-gradient(90deg, var(--primary-blue), rgba(0,229,255,0.2)); }
.odds-table th { padding: 14px 16px; text-align: left; font-size: 0.88rem; color: var(--accent-cyan); font-weight: 600; }
.odds-table td { padding: 12px 16px; font-size: 0.9rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
.odds-table tbody tr:hover { background: rgba(0,229,255,0.05); }
.odds-table .odds-value { color: var(--accent-gold); font-weight: 700; }
.odds-table .team-name { font-weight: 600; }

/* ========== 电竞预测卡片 ========== */
.predict-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.predict-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
}
.predict-card:hover { border-color: var(--accent-cyan); transform: translateY(-4px); }
.predict-card .predict-img { aspect-ratio: 16/9; overflow: hidden; }
.predict-card .predict-img img { width: 100%; height: 100%; object-fit: cover; }
.predict-card .predict-body { padding: 18px; }
.predict-card h4 { color: var(--accent-cyan); font-size: 1.05rem; margin-bottom: 8px; }
.predict-card .predict-result {
  display: inline-block;
  background: rgba(255,215,64,0.15);
  color: var(--accent-gold);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 8px;
}

/* ========== 牌照模块 ========== */
.license-section {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
}
.license-img { flex: 0 0 320px; max-width: 320px; }
.license-img img { border-radius: var(--radius-lg); border: 2px solid var(--border-glow); }
.license-info { flex: 1; min-width: 280px; }
.license-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,229,255,0.1);
  border: 1px solid var(--border-glow);
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--accent-cyan);
}

/* ========== 文章列表 ========== */
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.article-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.article-card:hover { transform: translateY(-4px); border-color: var(--accent-cyan); }
.article-card .article-thumb { aspect-ratio: 16/9; overflow: hidden; }
.article-card .article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-card .article-body { padding: 20px; }
.article-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.article-card .article-meta { font-size: 0.82rem; color: var(--text-gray); margin-bottom: 10px; }
.article-card p { font-size: 0.9rem; color: var(--text-gray); }

/* ========== 视频模块 ========== */
.video-wrap {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border-glow);
  max-width: 800px;
  margin: 0 auto;
}
.video-wrap video, .video-wrap iframe { width: 100%; height: 100%; border: none; }
.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background: rgba(0,229,255,0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: var(--transition);
}
.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 #000;
  margin-left: 4px;
}
.video-play-btn:hover { background: var(--accent-cyan); transform: translate(-50%, -50%) scale(1.1); }
.video-poster { position: absolute; inset: 0; z-index: 2; }
.video-poster img { width: 100%; height: 100%; object-fit: cover; }

/* ========== 关于我们 ========== */
.about-flex { display: flex; gap: 40px; align-items: flex-start; flex-wrap: wrap; }
.about-img { flex: 0 0 360px; max-width: 360px; }
.about-img img { border-radius: var(--radius-lg); border: 1px solid var(--border-glow); }
.about-text { flex: 1; min-width: 280px; }
.about-text h3 { color: var(--accent-cyan); margin-bottom: 12px; }
.about-text p { margin-bottom: 14px; color: var(--text-gray); }
.timeline { border-left: 3px solid var(--accent-cyan); padding-left: 24px; margin: 20px 0; }
.timeline-item { margin-bottom: 20px; position: relative; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--accent-cyan);
  border-radius: 50%;
  border: 3px solid var(--primary-dark);
}
.timeline-item .year { color: var(--accent-gold); font-weight: 700; font-size: 0.95rem; }
.timeline-item p { color: var(--text-gray); font-size: 0.9rem; margin-top: 4px; }

/* ========== 注册模块 ========== */
.register-box {
  max-width: 500px;
  margin: 0 auto;
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
}
.register-box h3 { color: var(--accent-cyan); margin-bottom: 16px; font-size: 1.4rem; }
.register-box p { color: var(--text-gray); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; text-align: left; }
.form-group label { display: block; font-size: 0.88rem; color: var(--text-gray); margin-bottom: 6px; }
.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 0.95rem;
  transition: var(--transition);
}
.form-group input:focus { outline: none; border-color: var(--accent-cyan); box-shadow: 0 0 10px rgba(0,229,255,0.2); }
.btn-register {
  width: 100%;
  padding: 14px;
  background: var(--gradient-btn);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
}
.btn-register:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,229,255,0.4); }

/* ========== 支付方式 ========== */
.payment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.payment-item {
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}
.payment-item:hover { border-color: var(--accent-cyan); }
.payment-item img { height: 48px; margin: 0 auto 12px; object-fit: contain; }
.payment-item h4 { font-size: 0.95rem; color: var(--accent-cyan); margin-bottom: 6px; }
.payment-item p { font-size: 0.82rem; color: var(--text-gray); }

/* ========== FAQ ========== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  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;
  font-size: 0.98rem;
  transition: var(--transition);
}
.faq-question:hover { color: var(--accent-cyan); }
.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner { padding: 0 24px 18px; color: var(--text-gray); font-size: 0.92rem; line-height: 1.8; }
.faq-item.active .faq-answer { max-height: 500px; }
.faq-item.active .faq-icon { transform: rotate(45deg); }

/* ========== 用户评论 ========== */
.review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.review-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}
.review-card:hover { border-color: var(--accent-cyan); }
.review-header { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #000;
  flex-shrink: 0;
}
.review-meta h4 { font-size: 0.95rem; margin-bottom: 2px; }
.review-meta .review-info { font-size: 0.78rem; color: var(--text-gray); }
.review-stars { color: var(--accent-gold); font-size: 0.9rem; margin-bottom: 10px; letter-spacing: 2px; }
.review-text { font-size: 0.9rem; color: var(--text-gray); line-height: 1.7; }
.review-date { font-size: 0.78rem; color: rgba(255,255,255,0.3); margin-top: 10px; }

/* ========== 客户支持 ========== */
.support-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.support-item {
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.support-item:hover { border-color: var(--accent-cyan); transform: translateY(-4px); }
.support-icon { font-size: 2.4rem; margin-bottom: 14px; }
.support-item h4 { color: var(--accent-cyan); margin-bottom: 8px; }
.support-item p { font-size: 0.88rem; color: var(--text-gray); }

/* ========== 充值活动 ========== */
.promo-banner {
  background: linear-gradient(135deg, rgba(255,215,64,0.15), rgba(0,229,255,0.1));
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.promo-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,215,64,0.05) 0%, transparent 70%);
  animation: promoGlow 6s ease-in-out infinite;
}
@keyframes promoGlow { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }
.promo-banner h3 { color: var(--accent-gold); font-size: 1.6rem; margin-bottom: 12px; position: relative; }
.promo-banner p { color: var(--text-gray); position: relative; margin-bottom: 20px; }
.promo-details { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; position: relative; }
.promo-item {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,215,64,0.3);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  text-align: center;
}
.promo-item .promo-value { font-size: 2rem; font-weight: 700; color: var(--accent-gold); }
.promo-item .promo-label { font-size: 0.82rem; color: var(--text-gray); }

/* ========== 负责任博彩 ========== */
.responsible-section {
  background: linear-gradient(135deg, rgba(183,28,28,0.1), rgba(10,22,40,0.8));
  border: 1px solid rgba(183,28,28,0.3);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.responsible-section h3 { color: #ef5350; margin-bottom: 16px; }
.responsible-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 20px; }
.responsible-item { display: flex; align-items: flex-start; gap: 12px; }
.responsible-item .ri-icon { font-size: 1.6rem; flex-shrink: 0; }
.responsible-item p { font-size: 0.9rem; color: var(--text-gray); }
.age-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(183,28,28,0.2);
  border: 2px solid #ef5350;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 700;
  color: #ef5350;
  font-size: 1.1rem;
  margin-top: 16px;
}

/* ========== 面包屑 ========== */
.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-cyan); }
.breadcrumb .sep { margin: 0 8px; color: rgba(255,255,255,0.3); }

/* ========== 页脚 ========== */
.site-footer {
  background: linear-gradient(180deg, var(--primary-dark), #050d1a);
  border-top: 1px solid var(--border-glow);
  padding: 48px 0 0;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 32px; margin-bottom: 36px; }
.footer-col h4 { color: var(--accent-cyan); font-size: 1rem; margin-bottom: 16px; position: relative; padding-bottom: 10px; }
.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); font-size: 0.88rem; padding: 4px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--accent-cyan); padding-left: 6px; }
.footer-col p { font-size: 0.85rem; color: var(--text-gray); margin-bottom: 8px; }
.footer-social { display: flex; gap: 12px; margin-top: 12px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-gray);
  transition: var(--transition);
}
.footer-social a:hover { background: var(--accent-cyan); color: #000; border-color: var(--accent-cyan); }
.footer-payment { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.footer-payment img { height: 32px; border-radius: 4px; opacity: 0.7; transition: var(--transition); }
.footer-payment img:hover { opacity: 1; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent-cyan); }
.footer-disclaimer { max-width: 800px; margin: 0 auto 12px; font-size: 0.78rem; color: rgba(255,255,255,0.3); line-height: 1.6; }

/* ========== APP下载页 ========== */
.download-hero {
  text-align: center;
  padding: 80px 20px;
  background: var(--gradient-hero);
  position: relative;
}
.download-hero h1 { font-size: 2.2rem; margin-bottom: 16px; }
.download-mockup { max-width: 320px; margin: 30px auto; }
.download-mockup img { border-radius: 24px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.download-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  color: var(--text-white);
  font-weight: 600;
  transition: var(--transition);
}
.download-btn:hover { border-color: var(--accent-cyan); transform: translateY(-3px); color: var(--accent-cyan); }
.download-btn .dl-icon { font-size: 1.6rem; }
.download-features { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; margin-top: 40px; }
.dl-feature {
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}
.dl-feature .dl-feat-icon { font-size: 2rem; margin-bottom: 12px; }
.dl-feature h4 { color: var(--accent-cyan); margin-bottom: 8px; }
.dl-feature p { font-size: 0.88rem; color: var(--text-gray); }

/* ========== 内页通用 ========== */
.page-hero {
  padding: 50px 20px;
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
}
.page-hero h1 { font-size: 2rem; margin-bottom: 10px; }
.page-hero p { color: var(--text-gray); max-width: 600px; margin: 0 auto; }
.content-area { max-width: 900px; margin: 0 auto; }
.content-area h2 { color: var(--accent-cyan); margin: 30px 0 14px; font-size: 1.5rem; }
.content-area h3 { color: var(--text-white); margin: 24px 0 10px; font-size: 1.2rem; }
.content-area p { margin-bottom: 14px; color: var(--text-gray); }
.content-area ul { margin: 10px 0 20px 20px; }
.content-area ul li { color: var(--text-gray); padding: 4px 0; position: relative; padding-left: 16px; }
.content-area ul li::before { content: '▸'; position: absolute; left: 0; color: var(--accent-cyan); }
.content-area img { border-radius: var(--radius-md); margin: 20px 0; border: 1px solid var(--border-glow); }
.info-box {
  background: rgba(0,229,255,0.05);
  border-left: 4px solid var(--accent-cyan);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
}
.info-box p { margin: 0; }
.rtp-bar {
  background: rgba(255,255,255,0.05);
  border-radius: 20px;
  height: 24px;
  overflow: hidden;
  margin: 8px 0 16px;
}
.rtp-fill {
  height: 100%;
  background: var(--gradient-btn);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #000;
}

/* ========== 移动端响应式 ========== */
@media (max-width: 768px) {
  html { font-size: 15px; }
  .nav-toggle { display: block; }
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding-top: 12px;
  }
  .nav-menu.active { display: flex; }
  .nav-menu a { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.05); width: 100%; }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-content p { font-size: 1rem; }
  .section { padding: 40px 0; }
  .section-title h2 { font-size: 1.5rem; }
  .card-grid { grid-template-columns: 1fr; }
  .predict-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr 1fr; }
  .payment-grid { grid-template-columns: 1fr 1fr; }
  .license-section { flex-direction: column; }
  .license-img { flex: none; max-width: 100%; }
  .about-flex { flex-direction: column; }
  .about-img { flex: none; max-width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .promo-details { flex-direction: column; align-items: center; }
  .download-features { grid-template-columns: 1fr; }
  .odds-table { font-size: 0.82rem; }
  .odds-table th, .odds-table td { padding: 8px 10px; }
}

@media (max-width: 480px) {
  .support-grid { grid-template-columns: 1fr; }
  .payment-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .download-btns { flex-direction: column; align-items: center; }
}

/* ========== 动画效果 ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ========== 滚动动画 ========== */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }