/* ============================================================
   足球比分 - ywckylaser.com | 主样式文件
   原创设计 · 绿茵主题 · 专业足球体育风格
   ============================================================ */

/* ===== CSS变量 ===== */
:root {
  --primary: #1a9456;
  --primary-dark: #0e6b3e;
  --primary-light: #2ab96b;
  --accent: #f5a623;
  --accent-dark: #d4881a;
  --bg-main: #0a0f0d;
  --bg-secondary: #0e1a12;
  --bg-card: #111c15;
  --card-bg: #111c15;
  --border: #1e3526;
  --text-primary: #e8f5ec;
  --text-secondary: #b8d4c0;
  --text-muted: #5a7a62;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-hover: 0 8px 32px rgba(26,148,86,0.2);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}

/* ===== 全局重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { line-height: 1.3; color: var(--text-primary); }

/* ===== 容器 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部公告栏 ===== */
.top-bar {
  background: #061209;
  border-bottom: 1px solid var(--border);
  padding: 6px 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.top-bar .container {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}
.top-bar-marquee {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
}
.top-bar-marquee span {
  display: inline-block;
  animation: marquee 30s linear infinite;
  color: var(--text-muted);
}
@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}
.top-bar-links { display: flex; gap: 12px; }
.top-bar-links a { color: var(--text-muted); font-size: 0.78rem; }
.top-bar-links a:hover { color: var(--primary-light); }

/* ===== 主导航 ===== */
.site-header {
  background: rgba(10,15,13,0.97);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 16px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}
.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.logo-text span { color: var(--accent); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  padding: 7px 12px;
  border-radius: 6px;
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  background: rgba(26,148,86,0.15);
  color: var(--primary-light);
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.2rem;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* ===== 搜索栏 ===== */
.search-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.search-inner {
  display: flex;
  gap: 8px;
  max-width: 700px;
}
.search-input-wrap {
  flex: 1;
  position: relative;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  color: var(--text-muted);
}
.search-input-wrap input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px 10px 36px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.search-input-wrap input:focus { border-color: var(--primary); }
.search-input-wrap input::placeholder { color: var(--text-muted); }
.search-suggestions {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  z-index: 200;
  display: none;
  box-shadow: var(--shadow);
}
.search-suggestions.show { display: block; }
.search-suggestions li {
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition);
}
.search-suggestions li:hover { background: rgba(26,148,86,0.1); color: var(--primary-light); }
.search-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
}
.search-btn:hover { background: var(--primary-dark); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #000; }
.btn-accent:hover { background: var(--accent-dark); color: #000; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--primary-light);
  border: 1px solid var(--primary);
}
.btn-outline:hover { background: rgba(26,148,86,0.1); color: var(--primary-light); }

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
}
.tag-live { background: #e53935; color: #fff; }
.tag-hot { background: var(--accent); color: #000; }
.tag-new { background: var(--primary); color: #fff; }

/* ===== 比分滚动条 ===== */
.score-ticker {
  background: #061209;
  border-bottom: 2px solid var(--primary);
  overflow: hidden;
  padding: 8px 0;
}
.score-ticker-inner {
  display: flex;
  animation: ticker 40s linear infinite;
  white-space: nowrap;
  gap: 0;
}
@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.score-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px;
  font-size: 0.82rem;
  border-right: 1px solid var(--border);
}
.score-item .teams { color: var(--text-secondary); }
.score-item .score { color: var(--accent); font-weight: 700; font-size: 0.9rem; }
.score-item .time { color: var(--text-muted); font-size: 0.75rem; }

/* ===== Hero Banner ===== */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,18,10,0.92) 0%, rgba(10,20,14,0.75) 60%, rgba(6,18,10,0.5) 100%);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; padding: 60px 20px; }
.hero-content { max-width: 640px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(26,148,86,0.15);
  border: 1px solid rgba(26,148,86,0.3);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.82rem;
  color: var(--primary-light);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-stat-item { text-align: center; }
.hero-stat-num {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
}
.hero-stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.6); }

/* ===== 统计区 ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}
.stat-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}
.stat-label { font-size: 0.82rem; color: var(--text-muted); }

/* ===== 章节 ===== */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-secondary); }
.section-header { text-align: center; margin-bottom: 36px; }
.section-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.section-title span { color: var(--accent); }
.section-subtitle { color: var(--text-muted); font-size: 0.92rem; }

/* ===== 网格布局 ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ===== 视频卡片 ===== */
.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}
.video-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0a1a0f;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 52px;
  height: 52px;
  background: rgba(26,148,86,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  padding-left: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  transition: transform var(--transition);
}
.video-card:hover .play-icon { transform: scale(1.1); }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-tag { position: absolute; top: 8px; left: 8px; }
.video-info { padding: 14px; }
.video-title {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}
.text-muted { color: var(--text-muted); }
.video-stats { display: flex; gap: 8px; color: var(--text-muted); }

/* ===== 比赛卡片 ===== */
.match-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: all var(--transition);
}
.match-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.match-league {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.live-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #e53935;
  font-size: 0.75rem;
  font-weight: 600;
}
.live-dot {
  width: 6px;
  height: 6px;
  background: #e53935;
  border-radius: 50%;
  animation: pulse 1s infinite;
}
.match-teams {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.match-team {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
}
.team-logo {
  font-size: 1.8rem;
  line-height: 1;
}
.team-name {
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
}
.match-score { text-align: center; flex: 0 0 80px; }
.score-display {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.match-time { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }
.match-actions {
  display: flex;
  gap: 6px;
  justify-content: center;
}
.match-actions a {
  flex: 1;
  text-align: center;
  padding: 6px 8px;
  background: rgba(26,148,86,0.1);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.match-actions a:hover {
  background: rgba(26,148,86,0.2);
  border-color: var(--primary);
  color: var(--primary-light);
}

/* ===== 社区卡片 ===== */
.community-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}
.community-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.community-icon { font-size: 2.2rem; display: block; margin-bottom: 12px; }
.community-card h3 { font-size: 1rem; margin-bottom: 8px; color: var(--text-primary); }
.community-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }

/* ===== AI卡片 ===== */
.ai-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  transition: all var(--transition);
}
.ai-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.ai-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.ai-card-icon { font-size: 2.5rem; margin-bottom: 12px; }
.ai-card h3 { font-size: 1rem; margin-bottom: 10px; }
.ai-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }

/* ===== 图片画廊 ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-item {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: #fff; font-size: 0.82rem; font-weight: 600; }

/* ===== 专家卡片 ===== */
.expert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}
.expert-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 12px;
  border: 3px solid var(--primary);
}
.expert-name { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.expert-title { font-size: 0.78rem; color: var(--primary-light); margin-bottom: 10px; }
.expert-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.award-badge {
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.3);
  color: var(--accent);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
}
.expert-actions { display: flex; gap: 8px; justify-content: center; }

/* ===== 合作伙伴 ===== */
.partner-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.partner-logo-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.partner-logo-item:hover { border-color: var(--primary); color: var(--text-primary); }

/* ===== 步骤指南 ===== */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  position: relative;
  transition: all var(--transition);
}
.step-item:hover { border-color: var(--primary); }
.step-num {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 12px;
}
.step-item h4 { font-size: 0.95rem; margin-bottom: 8px; }
.step-item p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* ===== 联系卡片 ===== */
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.contact-card h3 { font-size: 1.1rem; margin-bottom: 16px; color: var(--primary-light); }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: none; }
.contact-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.contact-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 2px; }
.contact-value { font-size: 0.88rem; color: var(--text-secondary); }

/* ===== 评价卡片 ===== */
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition);
}
.review-card:hover { border-color: var(--primary); }
.review-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.reviewer-avatar {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.reviewer-name { font-size: 0.88rem; font-weight: 600; }
.reviewer-meta { font-size: 0.72rem; color: var(--text-muted); }
.stars { color: var(--accent); font-size: 0.8rem; margin-left: auto; }
.review-text { font-size: 0.84rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 10px; }
.review-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.review-tag {
  background: rgba(26,148,86,0.1);
  border: 1px solid rgba(26,148,86,0.2);
  color: var(--primary-light);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--primary); }
.faq-question {
  padding: 16px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary-light); }
.faq-icon {
  font-size: 1.2rem;
  color: var(--primary);
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer div {
  padding: 0 20px 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== 弹幕 ===== */
.danmu-container {
  position: relative;
  overflow: hidden;
  background: rgba(0,0,0,0.3);
  border-radius: 8px;
  height: 80px;
}
.danmu-item {
  position: absolute;
  right: -300px;
  white-space: nowrap;
  font-size: 0.88rem;
  font-weight: 600;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
  animation: danmu-move linear forwards;
  pointer-events: none;
}
@keyframes danmu-move {
  from { right: -300px; }
  to { right: 110%; }
}

/* ===== 分享栏 ===== */
.share-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.share-label { font-size: 0.85rem; color: var(--text-muted); }
.share-btn {
  background: rgba(26,148,86,0.1);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
}
.share-btn:hover { border-color: var(--primary); color: var(--primary-light); }

/* ===== 侧边栏 ===== */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 28px;
  align-items: start;
}
.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}
.sidebar-widget h3 {
  font-size: 0.95rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}
.sidebar-list li {
  padding: 7px 0;
  border-bottom: 1px solid rgba(30,53,38,0.5);
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
  font-size: 0.84rem;
  color: var(--text-secondary);
  display: block;
  transition: color var(--transition);
}
.sidebar-list a:hover { color: var(--primary-light); }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb span { margin: 0 6px; }

/* ===== 页面Hero ===== */
.page-hero {
  background: linear-gradient(135deg, #061209, #0e2016);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.page-hero h1 { font-size: 1.8rem; margin-bottom: 12px; }
.page-hero p { font-size: 0.92rem; color: var(--text-muted); max-width: 800px; line-height: 1.8; }

/* ===== 页脚 ===== */
.site-footer {
  background: #061209;
  border-top: 2px solid var(--primary);
  padding: 48px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.footer-brand .logo-wrap { margin-bottom: 12px; }
.footer-brand p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.footer-qr-row { display: flex; gap: 16px; }
.footer-qr-item { text-align: center; }
.footer-qr-item img {
  width: 80px;
  height: 80px;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.footer-qr-item span { font-size: 0.72rem; color: var(--text-muted); display: block; margin-top: 4px; }
.footer-col h4 {
  font-size: 0.9rem;
  margin-bottom: 14px;
  color: var(--text-primary);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.82rem; color: var(--text-muted); }
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-social { display: flex; gap: 8px; }
.footer-social a {
  width: 30px;
  height: 30px;
  background: var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; }
.mt-4 { margin-top: 16px; }

/* ===== 视频模态框 ===== */
.video-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.video-modal.show { opacity: 1; pointer-events: all; }
.video-modal-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 700px;
  width: 90%;
  position: relative;
}
.video-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}
.video-placeholder {
  aspect-ratio: 16/9;
  background: #0a1a0f;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.big-play { font-size: 3rem; color: var(--primary); }

/* ===== 回到顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 500;
  box-shadow: var(--shadow);
}
.back-to-top.show { opacity: 1; pointer-events: all; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 80px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--primary);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  z-index: 9998;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ===== 文本工具 ===== */
.text-center { text-align: center; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .partner-logos { grid-template-columns: repeat(4, 1fr); }
  .howto-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6,18,10,0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 999;
  }
  .main-nav.open { display: flex; }
  .main-nav a { font-size: 1.1rem; padding: 12px 24px; }
  .mobile-menu-btn { display: block; }
  .hero h1 { font-size: 1.8rem; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .content-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: 1fr; }
  .partner-logos { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 16px; }
  .top-bar .container { flex-wrap: wrap; }
  .top-bar-marquee { width: 100%; order: 3; }
  .section-title { font-size: 1.4rem; }
}

@media (max-width: 480px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 1.5rem; }
  .hero-actions { flex-direction: column; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}