/* ============================================
   皇冠体育 - 全站公共样式
   绿茵球场实况风 (Green Pitch Live Style)
   CSS前缀: tb-
   ============================================ */

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

/* --- 干扰码隐藏 --- */
.goal-jammer-block {
  display: none;
}

/* --- CSS变量 --- */
:root {
  --tb-primary: #0B3D0B;
  --tb-primary-dark: #072907;
  --tb-white: #FFFFFF;
  --tb-gold: #FFD700;
  --tb-text: #E8E8E8;
  --tb-link: #00CC44;
  --tb-dark-bg: #061A06;
  --tb-card-bg: #0D2E0D;
  --tb-card-bg-hover: #124012;
  --tb-border: rgba(255,255,255,0.08);
  --tb-shadow: rgba(0,0,0,0.3);
  --tb-font-cn: 'Noto Sans SC', 'Source Han Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --tb-font-en: 'Roboto', sans-serif;
  --tb-radius: 8px;
  --tb-radius-lg: 12px;
  --tb-transition: 0.3s ease;
}

/* --- 全局重置 --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--tb-font-cn);
  background-color: var(--tb-dark-bg);
  color: var(--tb-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--tb-link);
  text-decoration: none;
  transition: color var(--tb-transition);
}

a:hover {
  color: var(--tb-gold);
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--tb-white);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

ul, ol {
  list-style: none;
}

/* --- 容器 --- */
.tb-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- 导航栏 --- */
.tb-header {
  background-color: var(--tb-primary);
  padding: 0;
  position: relative;
  z-index: 1000;
}

.tb-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
}

.tb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.tb-logo-icon {
  width: 42px;
  height: 42px;
}

.tb-logo-text {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--tb-gold);
  letter-spacing: 1px;
  font-family: var(--tb-font-cn);
}

.tb-nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.tb-nav-links a {
  color: var(--tb-white);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 22px 16px;
  display: block;
  position: relative;
  transition: color var(--tb-transition);
  white-space: nowrap;
}

.tb-nav-links a::after {
  content: '';
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--tb-gold);
  transition: width var(--tb-transition);
}

.tb-nav-links a:hover,
.tb-nav-links a.tb-active {
  color: var(--tb-gold);
}

.tb-nav-links a:hover::after,
.tb-nav-links a.tb-active::after {
  width: 60%;
}

/* 汉堡菜单 */
.tb-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}

.tb-hamburger span {
  width: 26px;
  height: 3px;
  background: var(--tb-white);
  border-radius: 2px;
  transition: all var(--tb-transition);
}

.tb-hamburger.tb-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.tb-hamburger.tb-open span:nth-child(2) {
  opacity: 0;
}

.tb-hamburger.tb-open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* 移动端侧边菜单 */
.tb-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: var(--tb-primary-dark);
  z-index: 1050;
  transition: right 0.4s ease;
  padding: 80px 24px 24px;
  overflow-y: auto;
}

.tb-mobile-menu.tb-open {
  right: 0;
}

.tb-mobile-menu a {
  display: block;
  color: var(--tb-white);
  font-size: 1.05rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--tb-border);
  transition: color var(--tb-transition), padding-left var(--tb-transition);
}

.tb-mobile-menu a:hover,
.tb-mobile-menu a.tb-active {
  color: var(--tb-gold);
  padding-left: 10px;
}

.tb-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 1040;
}

.tb-overlay.tb-open {
  display: block;
}

/* --- 英雄横幅 --- */
.tb-hero-banner {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--tb-primary-dark) 0%, var(--tb-primary) 100%);
}

.tb-hero-banner .tb-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  z-index: 0;
}

.tb-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 60px 20px;
  animation: tb-fadeInUp 0.8s ease;
}

.tb-hero-content h1 {
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.tb-hero-content h1 .tb-highlight {
  color: var(--tb-gold);
}

.tb-hero-content p {
  font-size: 1.15rem;
  color: var(--tb-text);
  margin-bottom: 30px;
  line-height: 1.8;
}

.tb-hero-content .tb-btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- 按钮 --- */
.tb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: var(--tb-radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--tb-transition);
  border: none;
  text-decoration: none;
  gap: 8px;
}

.tb-btn:active {
  transform: scale(0.96);
}

.tb-btn-primary {
  background: var(--tb-gold);
  color: var(--tb-primary-dark);
}

.tb-btn-primary:hover {
  background: #e6c200;
  color: var(--tb-primary-dark);
  box-shadow: 0 4px 20px rgba(255,215,0,0.3);
}

.tb-btn-outline {
  background: transparent;
  color: var(--tb-white);
  border: 2px solid var(--tb-white);
}

.tb-btn-outline:hover {
  background: var(--tb-white);
  color: var(--tb-primary-dark);
}

.tb-btn-green {
  background: var(--tb-link);
  color: var(--tb-white);
}

.tb-btn-green:hover {
  background: #00b33c;
  color: var(--tb-white);
  box-shadow: 0 4px 20px rgba(0,204,68,0.3);
}

/* --- 通用区块 --- */
.tb-section {
  padding: 70px 0;
}

.tb-section-alt {
  background: var(--tb-primary-dark);
}

.tb-section-title {
  text-align: center;
  margin-bottom: 50px;
}

.tb-section-title h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.tb-section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--tb-gold);
  margin: 12px auto 0;
  border-radius: 2px;
}

.tb-section-title p {
  color: rgba(232,232,232,0.7);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- 卡片 --- */
.tb-card {
  background: var(--tb-card-bg);
  border-radius: var(--tb-radius-lg);
  overflow: hidden;
  transition: transform var(--tb-transition), box-shadow var(--tb-transition);
  border: 1px solid var(--tb-border);
}

.tb-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--tb-shadow);
  border-color: rgba(255,215,0,0.15);
}

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

.tb-card-body {
  padding: 20px;
}

.tb-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.tb-card-body p {
  font-size: 0.92rem;
  color: rgba(232,232,232,0.75);
  line-height: 1.6;
}

.tb-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  font-size: 0.82rem;
  color: rgba(232,232,232,0.5);
}

/* --- 网格布局 --- */
.tb-grid {
  display: grid;
  gap: 24px;
}

.tb-grid-2 { grid-template-columns: repeat(2, 1fr); }
.tb-grid-3 { grid-template-columns: repeat(3, 1fr); }
.tb-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --- 赛事直播卡片 --- */
.tb-match-card {
  background: var(--tb-card-bg);
  border-radius: var(--tb-radius-lg);
  padding: 20px;
  border: 1px solid var(--tb-border);
  transition: all var(--tb-transition);
}

.tb-match-card:hover {
  border-color: var(--tb-gold);
  box-shadow: 0 0 20px rgba(255,215,0,0.1);
}

.tb-match-league {
  font-size: 0.8rem;
  color: var(--tb-link);
  font-weight: 500;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tb-match-teams {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.tb-match-team {
  text-align: center;
  flex: 1;
}

.tb-match-team-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--tb-white);
  margin-top: 6px;
}

.tb-match-vs {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--tb-gold);
  font-family: var(--tb-font-en);
  padding: 0 16px;
}

.tb-match-score {
  font-size: 2rem;
  font-weight: 900;
  color: var(--tb-gold);
  font-family: var(--tb-font-en);
  padding: 0 16px;
  min-width: 80px;
  text-align: center;
}

.tb-match-time {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(232,232,232,0.6);
}

.tb-match-odds {
  display: flex;
  justify-content: space-around;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--tb-border);
}

.tb-match-odd {
  text-align: center;
}

.tb-match-odd-label {
  font-size: 0.72rem;
  color: rgba(232,232,232,0.5);
  margin-bottom: 4px;
}

.tb-match-odd-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--tb-link);
  font-family: var(--tb-font-en);
}

.tb-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #cc0000;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tb-live-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  animation: tb-pulse 1.2s infinite;
}

@keyframes tb-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* --- 专家卡片 --- */
.tb-expert-card {
  background: var(--tb-card-bg);
  border-radius: var(--tb-radius-lg);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--tb-border);
  transition: all var(--tb-transition);
}

.tb-expert-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,215,0,0.2);
}

.tb-expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 14px;
  background: var(--tb-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--tb-gold);
  font-weight: 900;
  font-family: var(--tb-font-en);
  border: 3px solid var(--tb-gold);
}

.tb-expert-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tb-white);
  margin-bottom: 4px;
}

.tb-expert-title {
  font-size: 0.82rem;
  color: var(--tb-link);
  margin-bottom: 12px;
}

.tb-expert-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--tb-border);
}

.tb-expert-stat-value {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--tb-gold);
  font-family: var(--tb-font-en);
}

.tb-expert-stat-label {
  font-size: 0.72rem;
  color: rgba(232,232,232,0.5);
}

/* --- 联赛Logo墙 --- */
.tb-league-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.tb-league-item {
  background: var(--tb-card-bg);
  border-radius: var(--tb-radius);
  padding: 20px;
  text-align: center;
  border: 1px solid var(--tb-border);
  transition: all var(--tb-transition);
  cursor: pointer;
}

.tb-league-item:hover {
  border-color: var(--tb-gold);
  transform: translateY(-3px);
}

.tb-league-icon {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.tb-league-name {
  font-size: 0.82rem;
  color: var(--tb-text);
  font-weight: 500;
}

/* --- 新闻列表 --- */
.tb-news-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--tb-border);
  transition: all var(--tb-transition);
}

.tb-news-item:hover {
  padding-left: 8px;
}

.tb-news-img {
  width: 200px;
  height: 130px;
  border-radius: var(--tb-radius);
  object-fit: cover;
  flex-shrink: 0;
}

.tb-news-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  transition: color var(--tb-transition);
}

.tb-news-item:hover .tb-news-body h3 {
  color: var(--tb-gold);
}

.tb-news-body p {
  font-size: 0.88rem;
  color: rgba(232,232,232,0.65);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- 数据中心 --- */
.tb-data-hub {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tb-data-card {
  background: linear-gradient(135deg, var(--tb-card-bg) 0%, var(--tb-primary) 100%);
  border-radius: var(--tb-radius-lg);
  padding: 28px;
  text-align: center;
  border: 1px solid var(--tb-border);
  transition: all var(--tb-transition);
}

.tb-data-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,204,68,0.15);
}

.tb-data-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.tb-data-value {
  font-size: 2rem;
  font-weight: 900;
  color: var(--tb-gold);
  font-family: var(--tb-font-en);
  margin-bottom: 4px;
}

.tb-data-label {
  font-size: 0.88rem;
  color: rgba(232,232,232,0.65);
}

/* --- 合作伙伴 --- */
.tb-partners-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
}

.tb-partner-item {
  background: var(--tb-card-bg);
  border-radius: var(--tb-radius);
  padding: 16px 28px;
  font-size: 1rem;
  font-weight: 700;
  color: rgba(232,232,232,0.5);
  border: 1px solid var(--tb-border);
  transition: all var(--tb-transition);
}

.tb-partner-item:hover {
  color: var(--tb-white);
  border-color: var(--tb-gold);
}

/* --- 用户见证 --- */
.tb-testimonial-card {
  background: var(--tb-card-bg);
  border-radius: var(--tb-radius-lg);
  padding: 28px;
  border: 1px solid var(--tb-border);
  position: relative;
}

.tb-testimonial-card::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--tb-gold);
  opacity: 0.3;
  position: absolute;
  top: 10px;
  left: 20px;
  font-family: serif;
  line-height: 1;
}

.tb-testimonial-text {
  font-size: 0.95rem;
  color: var(--tb-text);
  line-height: 1.7;
  margin-bottom: 16px;
  padding-top: 20px;
}

.tb-testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tb-testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--tb-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--tb-gold);
  font-family: var(--tb-font-en);
  border: 2px solid var(--tb-gold);
  font-size: 0.9rem;
}

.tb-testimonial-name {
  font-weight: 700;
  color: var(--tb-white);
  font-size: 0.92rem;
}

.tb-testimonial-role {
  font-size: 0.78rem;
  color: rgba(232,232,232,0.5);
}

/* --- APP下载 --- */
.tb-app-section {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.tb-app-content {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.tb-app-text {
  flex: 1;
}

.tb-app-text h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.tb-app-text p {
  font-size: 1.05rem;
  color: rgba(232,232,232,0.75);
  margin-bottom: 28px;
}

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

.tb-app-mockup {
  flex: 0 0 320px;
  text-align: center;
}

.tb-app-mockup img {
  max-width: 100%;
  border-radius: var(--tb-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.tb-qr-code {
  width: 140px;
  height: 140px;
  background: var(--tb-white);
  border-radius: var(--tb-radius);
  margin: 20px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  color: var(--tb-primary-dark);
  font-weight: 700;
}

/* --- 页脚 --- */
.tb-footer {
  background: var(--tb-primary-dark);
  border-top: 1px solid var(--tb-border);
  padding: 50px 0 0;
}

.tb-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

.tb-footer-col h4 {
  font-size: 1.05rem;
  color: var(--tb-gold);
  margin-bottom: 18px;
  font-weight: 700;
}

.tb-footer-col a {
  display: block;
  color: rgba(232,232,232,0.65);
  font-size: 0.9rem;
  padding: 5px 0;
  transition: all var(--tb-transition);
}

.tb-footer-col a:hover {
  color: var(--tb-gold);
  padding-left: 6px;
}

.tb-footer-col p {
  font-size: 0.88rem;
  color: rgba(232,232,232,0.55);
  line-height: 1.7;
}

.tb-footer-social {
  display: flex;
  gap: 12px;
  margin-top: 14px;
}

.tb-footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--tb-card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--tb-text);
  border: 1px solid var(--tb-border);
  padding: 0;
  transition: all var(--tb-transition);
}

.tb-footer-social a:hover {
  background: var(--tb-gold);
  color: var(--tb-primary-dark);
  border-color: var(--tb-gold);
  padding-left: 0;
}

.tb-footer-honor {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid var(--tb-border);
  font-size: 0.82rem;
  color: rgba(232,232,232,0.5);
}

.tb-footer-honor .tb-esdaa {
  color: var(--tb-gold);
  font-weight: 700;
  display: inline-block;
  margin-bottom: 6px;
}

.tb-footer-bottom {
  text-align: center;
  padding: 18px 0;
  border-top: 1px solid var(--tb-border);
  font-size: 0.78rem;
  color: rgba(232,232,232,0.4);
}

.tb-footer-bottom a {
  color: rgba(232,232,232,0.5);
  margin: 0 10px;
}

.tb-footer-bottom a:hover {
  color: var(--tb-gold);
}

/* --- 内页通用 --- */
.tb-page-hero {
  position: relative;
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(135deg, var(--tb-primary-dark) 0%, var(--tb-primary) 50%, var(--tb-primary-dark) 100%);
  overflow: hidden;
}

.tb-page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../images/field-bg.webp') center/cover no-repeat;
  opacity: 0.12;
}

.tb-page-hero h1 {
  position: relative;
  font-size: 2.4rem;
  margin-bottom: 14px;
}

.tb-page-hero p {
  position: relative;
  font-size: 1.05rem;
  color: rgba(232,232,232,0.75);
  max-width: 700px;
  margin: 0 auto;
}

.tb-breadcrumb {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 0.85rem;
}

.tb-breadcrumb a {
  color: rgba(232,232,232,0.5);
}

.tb-breadcrumb span {
  color: rgba(232,232,232,0.3);
}

.tb-breadcrumb .tb-current {
  color: var(--tb-gold);
}

/* --- 文章内容 --- */
.tb-article {
  max-width: 900px;
  margin: 0 auto;
  padding: 50px 20px;
}

.tb-article h2 {
  font-size: 1.6rem;
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--tb-gold);
}

.tb-article h3 {
  font-size: 1.25rem;
  margin: 28px 0 12px;
}

.tb-article p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--tb-text);
  margin-bottom: 18px;
}

.tb-article img {
  border-radius: var(--tb-radius-lg);
  margin: 24px 0;
  width: 100%;
}

.tb-article-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 50px 20px;
}

.tb-sidebar {
  position: relative;
}

.tb-sidebar-card {
  background: var(--tb-card-bg);
  border-radius: var(--tb-radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--tb-border);
}

.tb-sidebar-card h4 {
  font-size: 1rem;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--tb-border);
  color: var(--tb-gold);
}

/* --- 赛事中心 --- */
.tb-events-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 30px 20px;
}

.tb-events-filter {
  background: var(--tb-card-bg);
  border-radius: var(--tb-radius-lg);
  padding: 20px;
  border: 1px solid var(--tb-border);
  height: fit-content;
}

.tb-events-filter h3 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--tb-gold);
}

.tb-filter-group {
  margin-bottom: 20px;
}

.tb-filter-group label {
  display: block;
  font-size: 0.85rem;
  color: rgba(232,232,232,0.6);
  margin-bottom: 8px;
}

.tb-filter-group select,
.tb-filter-group input {
  width: 100%;
  padding: 10px 12px;
  background: var(--tb-primary-dark);
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius);
  color: var(--tb-text);
  font-size: 0.9rem;
  font-family: var(--tb-font-cn);
}

.tb-filter-group select:focus,
.tb-filter-group input:focus {
  outline: none;
  border-color: var(--tb-link);
}

.tb-events-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* --- 标签页 --- */
.tb-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--tb-border);
  margin-bottom: 24px;
}

.tb-tab {
  padding: 12px 24px;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(232,232,232,0.5);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--tb-transition);
}

.tb-tab:hover,
.tb-tab.tb-active {
  color: var(--tb-gold);
  border-bottom-color: var(--tb-gold);
}

.tb-tab-content {
  display: none;
}

.tb-tab-content.tb-active {
  display: block;
  animation: tb-fadeIn 0.4s ease;
}

/* --- 统计表格 --- */
.tb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.tb-table th {
  background: var(--tb-primary);
  color: var(--tb-white);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tb-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--tb-border);
  color: var(--tb-text);
}

.tb-table tr:hover td {
  background: rgba(255,215,0,0.03);
}

/* --- 动画 --- */
@keyframes tb-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes tb-fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

/* --- 骨架屏 --- */
.tb-skeleton {
  background: linear-gradient(90deg, var(--tb-card-bg) 25%, var(--tb-card-bg-hover) 50%, var(--tb-card-bg) 75%);
  background-size: 200% 100%;
  animation: tb-shimmer 1.5s infinite;
  border-radius: var(--tb-radius);
}

@keyframes tb-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   响应式设计 - Mobile First
   ============================================ */

/* 小型手机 (<= 360px) */
@media (max-width: 360px) {
  html { font-size: 14px; }
  .tb-hero-content h1 { font-size: 1.6rem; }
  .tb-league-grid { grid-template-columns: repeat(3, 1fr); }
}

/* 平板以下 (<= 768px) */
@media (max-width: 768px) {
  .tb-nav-links { display: none; }
  .tb-hamburger { display: flex; }
  .tb-mobile-menu { display: block; }

  .tb-hero-banner { min-height: 420px; }
  .tb-hero-content h1 { font-size: 1.8rem; }
  .tb-hero-content p { font-size: 0.95rem; }

  .tb-grid-2,
  .tb-grid-3,
  .tb-grid-4 { grid-template-columns: 1fr; }

  .tb-league-grid { grid-template-columns: repeat(3, 1fr); }
  .tb-data-hub { grid-template-columns: repeat(2, 1fr); }

  .tb-news-item { flex-direction: column; }
  .tb-news-img { width: 100%; height: 180px; }

  .tb-footer-grid { grid-template-columns: 1fr; gap: 30px; }

  .tb-app-content { flex-direction: column-reverse; text-align: center; }
  .tb-app-mockup { flex: none; width: 240px; }
  .tb-app-buttons { justify-content: center; }

  .tb-events-layout { grid-template-columns: 1fr; }

  .tb-article-sidebar { grid-template-columns: 1fr; }

  .tb-page-hero h1 { font-size: 1.8rem; }

  .tb-section { padding: 50px 0; }
}

/* 平板 (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .tb-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .tb-league-grid { grid-template-columns: repeat(4, 1fr); }
  .tb-data-hub { grid-template-columns: repeat(2, 1fr); }
}

/* 笔记本 (1025px - 1440px) */
@media (min-width: 1025px) and (max-width: 1440px) {
  .tb-container { padding: 0 30px; }
}

/* 大屏幕 (> 1440px) */
@media (min-width: 1441px) {
  .tb-container { padding: 0 40px; }
}