/* ===== 全局重置与字体 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #f5b342;
  --primary-dark: #e09c2f;
  --secondary: #1e2b4f;
  --accent: #ff6b6b;
  --dark: #10273f;
  --light: #f8f9fe;
  --gray: #6c757d;
  --white: #ffffff;
  --shadow-sm: 0 8px 20px rgba(0,0,0,0.06);
  --shadow-md: 0 12px 30px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.15);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --transition: all 0.25s ease;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #f4f7fc;
  color: #1a2639;
  line-height: 1.5;
  scroll-behavior: smooth;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 头部导航 ===== */
.site-header {
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 2.2rem;
  color: var(--primary);
  filter: drop-shadow(0 4px 6px rgba(245,179,66,0.3));
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-highlight {
  color: var(--primary);
  -webkit-text-fill-color: var(--primary);
}

.badge-official {
  background: var(--primary);
  color: var(--dark);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 40px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 8px rgba(245,179,66,0.4);
}

.main-nav .nav-list {
  display: flex;
  list-style: none;
  gap: 6px;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 40px;
  font-weight: 500;
  color: var(--dark);
  text-decoration: none;
  transition: var(--transition);
}

.nav-item a i {
  font-size: 0.9rem;
  opacity: 0.7;
}

.nav-item.active a,
.nav-item a:hover {
  background: var(--primary);
  color: var(--dark);
  box-shadow: 0 6px 14px rgba(245,179,66,0.3);
}

.nav-item.active a i,
.nav-item a:hover i {
  opacity: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  background: transparent;
}

.btn-outline {
  border: 1.5px solid var(--primary);
  color: var(--dark);
  background: rgba(245,179,66,0.05);
}

.btn-outline:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(245,179,66,0.3);
}

.btn-solid {
  background: var(--primary);
  color: var(--dark);
  border: 1.5px solid transparent;
}

.btn-solid:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(245,179,66,0.3);
}

.btn-primary {
  background: linear-gradient(145deg, var(--primary), #f6c35c);
  color: var(--dark);
  padding: 14px 36px;
  font-size: 1.1rem;
  border-radius: 60px;
  box-shadow: 0 10px 20px rgba(245,179,66,0.3);
}

.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: 0 15px 25px rgba(245,179,66,0.4);
}

.btn-secondary {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(4px);
  color: var(--dark);
  border: 1px solid rgba(0,0,0,0.1);
  padding: 14px 36px;
  font-size: 1.1rem;
  border-radius: 60px;
}

.btn-secondary:hover {
  background: white;
  border-color: var(--primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--dark);
  cursor: pointer;
}

/* 移动菜单 */
.mobile-menu {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: white;
  padding: 20px 0;
  box-shadow: var(--shadow-md);
  transform: translateY(-150%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 99;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-nav-list {
  list-style: none;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.mobile-nav-item {
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.mobile-nav-item a {
  display: block;
  padding: 16px 20px;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--dark);
  text-decoration: none;
  border-radius: var(--radius-md);
}

.mobile-nav-item.active a,
.mobile-nav-item a:hover {
  background: var(--primary);
  color: var(--dark);
}

/* ===== 英雄区 ===== */
.hero-section {
  background: linear-gradient(145deg, #ffffff 0%, #f0f5fe 100%);
  padding: 60px 0 80px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--gray);
  margin-bottom: 30px;
}

.hero-stats {
  display: flex;
  gap: 30px;
  margin-bottom: 40px;
}

.stat-item {
  background: white;
  padding: 12px 24px;
  border-radius: 60px;
  box-shadow: var(--shadow-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 30px;
  backdrop-filter: blur(2px);
}

.next-draw-card {
  text-align: center;
}

.card-label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray);
  margin-bottom: 15px;
}

.countdown-timer {
  font-size: 4rem;
  font-weight: 700;
  background: linear-gradient(145deg, var(--dark), #1d3557);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
  font-family: monospace;
}

.current-period {
  font-size: 1.1rem;
  background: #f0f0f0;
  display: inline-block;
  padding: 6px 20px;
  border-radius: 60px;
  margin-bottom: 20px;
}

.demo-numbers {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.ball {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  box-shadow: 0 6px 0 #b57c2a, 0 8px 12px rgba(0,0,0,0.2);
}

.card-footer {
  color: var(--gray);
  font-size: 0.95rem;
}

/* ===== 快捷查询 ===== */
.quick-query-section {
  margin-top: -40px;
  position: relative;
  z-index: 10;
}

.query-panel {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
  border: 1px solid rgba(0,0,0,0.03);
}

.query-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--dark);
}

.query-form {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.query-input {
  flex: 2 1 260px;
  padding: 16px 24px;
  border: 1px solid #e0e0e0;
  border-radius: 60px;
  font-size: 1rem;
  transition: var(--transition);
  background: #f9f9f9;
}

.query-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(245,179,66,0.15);
  background: white;
}

.query-select {
  flex: 1 1 160px;
  padding: 16px 24px;
  border: 1px solid #e0e0e0;
  border-radius: 60px;
  font-size: 1rem;
  background: #f9f9f9;
  cursor: pointer;
}

.query-btn {
  padding: 16px 36px;
  border-radius: 60px;
  font-size: 1rem;
  border: none;
  background: var(--primary);
  color: var(--dark);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 14px rgba(245,179,66,0.3);
}

.query-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.query-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.tag {
  background: #f0f0f0;
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 0.9rem;
  color: var(--gray);
  cursor: pointer;
  transition: var(--transition);
}

.tag:hover {
  background: var(--primary);
  color: var(--dark);
}

/* ===== 表格样式 ===== */
.results-section {
  padding: 80px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title i {
  color: var(--primary);
  font-size: 2rem;
}

.section-title mark {
  background: linear-gradient(145deg, var(--primary), #ffd966);
  padding: 4px 16px;
  border-radius: 60px;
  color: var(--dark);
  font-weight: 600;
}

.view-all-link {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 40px;
  background: rgba(245,179,66,0.1);
  transition: var(--transition);
}

.view-all-link:hover {
  background: var(--primary);
  gap: 12px;
}

.results-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  background: white;
  box-shadow: var(--shadow-md);
  padding: 4px;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  min-width: 800px;
}

.results-table th {
  background: #f7f7f7;
  padding: 18px 12px;
  font-weight: 600;
  color: var(--dark);
  text-align: center;
}

.results-table td {
  padding: 14px 12px;
  text-align: center;
  border-bottom: 1px solid #eee;
}

.results-table tbody tr:hover {
  background: #fef7e8;
}

.number-balls {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.number-balls span {
  display: inline-block;
  width: 32px;
  height: 32px;
  line-height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--dark);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ===== 统计卡片 ===== */
.stats-cards-section {
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.stat-card {
  background: white;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.02);
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  font-size: 2.8rem;
  color: var(--primary);
  opacity: 0.8;
}

.stat-card-content h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--gray);
  margin-bottom: 8px;
}

.hot-numbers {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.hot-ball {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--dark);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.ratio-bar {
  height: 16px;
  background: #e9ecef;
  border-radius: 40px;
  margin-bottom: 8px;
  overflow: hidden;
  width: 100%;
}

.ratio-bar span {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: 40px;
  font-size: 0.7rem;
  text-align: right;
  padding-right: 6px;
  color: var(--dark);
  line-height: 16px;
}

.big-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
}

/* ===== 预测卡片 ===== */
.prediction-section {
  padding: 60px 0;
  background: white;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.tab-nav {
  display: flex;
  gap: 8px;
  background: #f1f3f5;
  padding: 6px;
  border-radius: 60px;
}

.tab-link {
  padding: 10px 28px;
  border-radius: 60px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  color: var(--gray);
}

.tab-link.active {
  background: white;
  color: var(--dark);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.tab-content {
  display: none;
  padding-top: 40px;
}

.tab-content.active {
  display: block;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.prediction-card {
  background: linear-gradient(145deg, #ffffff, #f8f8f8);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  border: 1px solid rgba(245,179,66,0.1);
  transition: var(--transition);
}

.prediction-card:hover {
  transform: scale(1.02);
  border-color: var(--primary);
}

.expert-name {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.predict-numbers {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.predict-rate {
  background: rgba(245,179,66,0.2);
  display: inline-block;
  padding: 4px 16px;
  border-radius: 40px;
  font-weight: 600;
}

/* ===== 走势图 ===== */
.chart-section {
  padding: 60px 0;
}

.chart-placeholder {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  box-shadow: var(--shadow-md);
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 200px;
  margin-bottom: 20px;
}

.bar {
  flex: 1;
  background: linear-gradient(to top, var(--primary), #f8cb8a);
  border-radius: 12px 12px 0 0;
  transition: height 0.3s;
  min-width: 8px;
}

.chart-note {
  text-align: center;
  color: var(--gray);
  font-size: 0.9rem;
}

/* ===== 资讯 ===== */
.news-section {
  padding: 60px 0;
  background: #f4f7fc;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.news-item {
  background: white;
  padding: 18px 24px;
  border-radius: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.news-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.news-item a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

.news-date {
  color: var(--gray);
  font-size: 0.85rem;
}

/* ===== 合作伙伴 ===== */
.partners-section {
  padding: 40px 0;
  background: white;
}

.partners-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  opacity: 0.7;
}

.partners-logos span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  color: var(--gray);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 20px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-about h4,
.footer-links h4,
.footer-contact h4 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-about p {
  margin-bottom: 20px;
  line-height: 1.6;
}

.footer-social i {
  font-size: 1.6rem;
  margin-right: 16px;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}

.footer-social i:hover {
  color: white;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary);
  transform: translateX(6px);
}

.footer-contact p {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .header-actions .btn-outline,
  .header-actions .btn-solid {
    display: none;
  }
  .header-actions {
    gap: 0;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.4rem;
  }
  .query-form {
    flex-direction: column;
  }
  .section-title {
    font-size: 1.6rem;
    flex-wrap: wrap;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
  .ball {
    width: 40px;
    height: 40px;
    font-size: 1.3rem;
  }
  .countdown-timer {
    font-size: 3rem;
  }
}