/* =============================================
   开云体育 KAIYUN - 主样式文件
   品牌色：深海蓝 #0a0e1a | 金色 #c9a84c | 电蓝 #1a6bff
   ============================================= */

:root {
  --color-bg: #0a0e1a;
  --color-bg2: #0f1525;
  --color-bg3: #141b2d;
  --color-gold: #c9a84c;
  --color-gold-light: #e8c96a;
  --color-blue: #1a6bff;
  --color-blue-light: #4d8fff;
  --color-text: #e8eaf0;
  --color-text-muted: #8892a4;
  --color-border: rgba(201,168,76,0.15);
  --color-card: rgba(255,255,255,0.04);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-gold: 0 0 30px rgba(201,168,76,0.15);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --radius: 12px;
  --radius-sm: 6px;
}

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

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

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-gold); border-radius: 3px; }

/* ---- 通用 ---- */
a { color: var(--color-gold); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-gold-light); }
img { max-width: 100%; height: auto; display: block; }

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

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 16px;
}

.section-title span {
  color: var(--color-gold);
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.8;
}

.text-center { text-align: center; }
.text-center .section-desc { margin: 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: #0a0e1a;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.4);
  color: #0a0e1a;
}

.btn-outline {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}
.btn-outline:hover {
  background: var(--color-gold);
  color: #0a0e1a;
}

.gold-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin: 20px 0;
}
.text-center .gold-line { margin: 20px auto; }

/* =============================================
   HEADER / NAV
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}

.site-header.scrolled {
  background: rgba(10,14,26,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
  max-width: 1280px;
  margin: 0 auto;
}

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

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  color: #0a0e1a;
  letter-spacing: -1px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-cn {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
}

.logo-en {
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--color-gold);
  text-transform: uppercase;
}

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

.main-nav a {
  padding: 8px 18px;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

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

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

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-btn {
  padding: 8px 20px;
  font-size: 13px;
  border-radius: 4px;
  font-weight: 600;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ---- 搜索框 ---- */
.search-bar-wrapper {
  background: rgba(15,21,37,0.98);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}

.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-input-wrap {
  flex: 1;
  position: relative;
  max-width: 600px;
}

.search-input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 24px;
  padding: 9px 44px 9px 18px;
  font-size: 14px;
  color: var(--color-text);
  font-family: var(--font-main);
  outline: none;
  transition: var(--transition);
}

.search-input::placeholder { color: var(--color-text-muted); }
.search-input:focus {
  border-color: var(--color-gold);
  background: rgba(255,255,255,0.08);
}

.search-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gold);
  font-size: 16px;
  padding: 0;
  display: flex;
  align-items: center;
}

.search-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.search-tag {
  font-size: 12px;
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 3px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.search-tag:hover {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

/* =============================================
   HERO BANNER
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,14,26,0.92) 0%,
    rgba(10,14,26,0.7) 50%,
    rgba(10,14,26,0.5) 100%
  );
}

.hero-overlay-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-bg), transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 160px 24px 80px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,168,76,0.12);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 12px;
  color: var(--color-gold);
  letter-spacing: 2px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

.hero-title {
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.05;
  color: #fff;
  margin-bottom: 8px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-title-sub {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 28px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-desc {
  font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 40px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.4s both;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  animation: fadeInUp 0.7s ease 0.5s both;
}

.hero-stat-item {
  text-align: center;
}

.hero-stat-num {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 900;
  color: var(--color-gold);
  line-height: 1;
}

.hero-stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
  letter-spacing: 1px;
}

/* 滚动指示 */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bounce 2s infinite;
}

.scroll-indicator span {
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  transform: rotate(45deg);
  opacity: 0.6;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

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

/* =============================================
   VIDEO SECTION
   ============================================= */
.video-section {
  background: var(--color-bg);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.video-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition);
  group: true;
}

.video-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201,168,76,0.4);
  box-shadow: var(--shadow-card), var(--shadow-gold);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.08);
}

.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,14,26,0.4);
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .video-play-btn {
  opacity: 1;
}

.play-circle {
  width: 64px;
  height: 64px;
  background: rgba(201,168,76,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: var(--transition);
}

.video-card:hover .play-circle {
  transform: scale(1);
}

.play-circle svg {
  width: 24px;
  height: 24px;
  fill: #0a0e1a;
  margin-left: 4px;
}

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 3px;
}

.video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-gold);
  color: #0a0e1a;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 3px;
  letter-spacing: 1px;
}

.video-info {
  padding: 16px;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.video-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 8px;
  transition: var(--transition);
}

.video-card:hover .video-title {
  color: var(--color-gold);
}

.video-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 大视频卡片 */
.video-card.featured {
  grid-column: span 2;
}

.video-card.featured .video-title {
  font-size: 18px;
}

/* =============================================
   ABOUT / BRAND STORY
   ============================================= */
.about-section {
  background: var(--color-bg2);
  position: relative;
  overflow: hidden;
}

.about-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201,168,76,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-img-wrap {
  position: relative;
}

.about-img-wrap img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
}

.about-img-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  color: #0a0e1a;
  padding: 20px 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-card);
}

.about-img-badge strong {
  display: block;
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}

.about-img-badge span {
  font-size: 13px;
  font-weight: 600;
}

.about-content {
  padding-right: 20px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 36px;
}

.about-feature {
  padding: 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.about-feature:hover {
  border-color: var(--color-gold);
  background: rgba(201,168,76,0.05);
}

.about-feature-icon {
  font-size: 24px;
  margin-bottom: 10px;
}

.about-feature h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.about-feature p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =============================================
   SPORTS CATEGORIES
   ============================================= */
.sports-section {
  background: var(--color-bg);
}

.sports-tabs {
  display: flex;
  gap: 8px;
  margin: 40px 0 32px;
  flex-wrap: wrap;
}

.sports-tab {
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-main);
}

.sports-tab.active,
.sports-tab:hover {
  background: var(--color-gold);
  color: #0a0e1a;
  border-color: var(--color-gold);
}

.sports-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.sport-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  transition: var(--transition);
}

.sport-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.sport-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.sport-card:hover img {
  transform: scale(1.08);
}

.sport-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,14,26,0.9) 0%, rgba(10,14,26,0.2) 60%, transparent 100%);
}

.sport-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 20px;
}

.sport-card-tag {
  display: inline-block;
  background: var(--color-gold);
  color: #0a0e1a;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.sport-card-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.sport-card-count {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

/* =============================================
   STATS
   ============================================= */
.stats-section {
  background: linear-gradient(135deg, var(--color-bg2) 0%, var(--color-bg3) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: 60px 40px;
  text-align: center;
  border-right: 1px solid var(--color-border);
  position: relative;
  transition: var(--transition);
}

.stat-item:last-child { border-right: none; }

.stat-item:hover {
  background: rgba(201,168,76,0.04);
}

.stat-num {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 900;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-unit {
  font-size: 20px;
  color: var(--color-gold-light);
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

/* =============================================
   TEAM
   ============================================= */
.team-section {
  background: var(--color-bg2);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.team-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  text-align: center;
}

.team-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.team-avatar {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.team-card:hover .team-avatar img {
  transform: scale(1.05);
}

.team-info {
  padding: 24px;
}

.team-name {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.team-title {
  font-size: 13px;
  color: var(--color-gold);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.team-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* =============================================
   MEDIA
   ============================================= */
.media-section {
  background: var(--color-bg);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.media-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.media-card:hover {
  border-color: var(--color-gold);
  background: rgba(201,168,76,0.04);
  transform: translateY(-3px);
}

.media-source {
  font-size: 12px;
  color: var(--color-gold);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.media-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 16px;
  transition: var(--transition);
}

.media-card:hover .media-title {
  color: var(--color-gold);
}

.media-date {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* =============================================
   REVIEWS
   ============================================= */
.reviews-section {
  background: var(--color-bg2);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.review-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.review-card:hover {
  border-color: rgba(201,168,76,0.3);
}

.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}

.star {
  color: var(--color-gold);
  font-size: 16px;
}

.review-text {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

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

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold), var(--color-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #0a0e1a;
  flex-shrink: 0;
}

.review-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.review-tag {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* =============================================
   FAQ
   ============================================= */
.faq-section {
  background: var(--color-bg);
}

.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: rgba(201,168,76,0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-card);
  transition: var(--transition);
  user-select: none;
}

.faq-question:hover {
  color: var(--color-gold);
}

.faq-item.open .faq-question {
  color: var(--color-gold);
  background: rgba(201,168,76,0.06);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
  background: rgba(201,168,76,0.02);
}

.faq-item.open .faq-answer {
  max-height: 200px;
  padding: 16px 24px 20px;
}

/* =============================================
   PARTNER / CTA
   ============================================= */
.partner-section {
  background: var(--color-bg2);
  position: relative;
  overflow: hidden;
}

.partner-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/partner-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
}

.partner-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.partner-inner .section-desc {
  margin: 0 auto 40px;
}

.partner-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =============================================
   CONTACT
   ============================================= */
.contact-section {
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  margin-top: 48px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 14px;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.contact-form {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-text);
  font-family: var(--font-main);
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--color-gold);
  background: rgba(201,168,76,0.04);
}

.form-control::placeholder { color: var(--color-text-muted); }

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--color-bg2);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-text-muted);
  transition: var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--color-gold);
  color: #0a0e1a;
  border-color: var(--color-gold);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-copyright a {
  color: var(--color-gold);
}

.footer-update {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

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

.breadcrumb span { margin: 0 8px; }

/* =============================================
   PAGE HERO (内页)
   ============================================= */
.page-hero {
  padding: 140px 0 60px;
  background: var(--color-bg2);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(26,107,255,0.08) 0%, transparent 60%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

/* =============================================
   UPDATE TIME
   ============================================= */
.update-time {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
  margin-top: 16px;
}

/* =============================================
   MOBILE NAV
   ============================================= */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(10,14,26,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 999;
  padding: 20px 24px;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  padding: 12px 0;
  font-size: 15px;
  color: var(--color-text);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.mobile-nav a:hover { color: var(--color-gold); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .video-card.featured { grid-column: span 1; }
  .sports-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-bottom: 1px solid var(--color-border); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-badge { right: 0; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .main-nav { display: none; }
  .header-cta .btn { display: none; }
  .hamburger { display: flex; }
  .video-grid { grid-template-columns: 1fr; }
  .sports-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .form-row { grid-template-columns: 1fr; }
  .search-tags { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .sports-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 16px; }
}