/* 每日大赛官网 - 暗黑潮流风格核心CSS */
/* www.fhpnim.cn */

:root {
  --primary: #c9a227;
  --secondary: #8b2fc9;
  --accent: #e040fb;
  --bg-dark: #050508;
  --bg-card: #0d0d18;
  --bg-nav: rgba(5,5,10,0.96);
  --text-main: #e8e8f0;
  --text-muted: #8888aa;
  --neon-gold: #c9a227;
  --neon-purple: #8b2fc9;
  --border-glow: rgba(201,162,39,0.3);
  --gradient-main: linear-gradient(135deg, #c9a227 0%, #8b2fc9 100%);
  --gradient-dark: linear-gradient(180deg, #050508 0%, #0a0a14 100%);
  --font-main: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}

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

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

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

/* ===== 粒子背景 ===== */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ===== 导航栏 ===== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glow);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: 2px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.4rem 0.7rem;
  border-radius: 4px;
  transition: all 0.3s;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: rgba(201,162,39,0.1);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== 搜索框 ===== */
.search-bar-wrap {
  background: rgba(13,13,24,0.9);
  border-bottom: 1px solid rgba(139,47,201,0.2);
  padding: 0.7rem 2rem;
  margin-top: 64px;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 100;
}

.search-bar {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 640px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-glow);
  border-radius: 30px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.search-bar:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(201,162,39,0.25);
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.95rem;
  padding: 0.55rem 1.2rem;
  font-family: var(--font-main);
}

.search-bar input::placeholder { color: var(--text-muted); }

.search-bar button {
  background: var(--gradient-main);
  border: none;
  color: #fff;
  padding: 0.55rem 1.4rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: var(--font-main);
  transition: opacity 0.2s;
}

.search-bar button:hover { opacity: 0.85; }

/* ===== 主内容区 ===== */
.main-content { position: relative; z-index: 1; }

/* ===== Banner ===== */
.hero-banner {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #050508;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/images/banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.45) saturate(1.2);
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-banner:hover .hero-bg { transform: scale(1.0); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,5,8,0.2) 0%, rgba(5,5,8,0.7) 70%, rgba(5,5,8,1) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  max-width: 900px;
}

.hero-tag {
  display: inline-block;
  background: rgba(201,162,39,0.15);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 0.8rem;
  letter-spacing: 3px;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 0%, var(--primary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: rgba(232,232,240,0.8);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  border: none;
  padding: 0.85rem 2.2rem;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(201,162,39,0.4);
  font-family: var(--font-main);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,162,39,0.6);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.85rem 2.2rem;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
  font-family: var(--font-main);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(201,162,39,0.08);
}

/* ===== 通用区块 ===== */
.section {
  padding: 5rem 2rem;
  position: relative;
  z-index: 1;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  background: rgba(139,47,201,0.15);
  border: 1px solid var(--secondary);
  color: var(--secondary);
  font-size: 0.75rem;
  letter-spacing: 3px;
  padding: 0.25rem 0.9rem;
  border-radius: 20px;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.8rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== 视频卡片网格 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid rgba(201,162,39,0.1);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(201,162,39,0.2);
  border-color: rgba(201,162,39,0.4);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0a0a14;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
  display: block;
}

.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(0,0,0,0);
  opacity: 0;
  transition: all 0.3s;
}

.video-card:hover .video-play-btn {
  opacity: 1;
  background: rgba(0,0,0,0.45);
}

.play-icon {
  width: 56px;
  height: 56px;
  background: rgba(201,162,39,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(201,162,39,0.7);
  transform: scale(0.8);
  transition: transform 0.3s;
}

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

.play-icon::after {
  content: '';
  border-left: 18px solid #fff;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  margin-left: 4px;
}

.video-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201,162,39,0.15) 0%, rgba(139,47,201,0.15) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.video-card:hover .video-glow { opacity: 1; }

.video-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(201,162,39,0.9);
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 1px;
}

.video-info {
  padding: 1rem;
}

.video-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-main);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.video-meta span { display: flex; align-items: center; gap: 0.3rem; }

/* ===== 社区弹幕 ===== */
.community-section { background: rgba(13,13,24,0.6); }

.danmaku-wrap {
  background: rgba(5,5,8,0.8);
  border: 1px solid rgba(139,47,201,0.2);
  border-radius: 12px;
  padding: 1.5rem;
  overflow: hidden;
  position: relative;
  height: 120px;
  margin-bottom: 2rem;
}

.danmaku-track {
  display: flex;
  gap: 3rem;
  animation: danmaku-scroll 20s linear infinite;
  white-space: nowrap;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

@keyframes danmaku-scroll {
  from { transform: translateY(-50%) translateX(100vw); }
  to { transform: translateY(-50%) translateX(-100%); }
}

.danmaku-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-main);
  background: rgba(255,255,255,0.05);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  border: 1px solid rgba(201,162,39,0.15);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.topic-card {
  background: var(--bg-card);
  border: 1px solid rgba(139,47,201,0.15);
  border-radius: 10px;
  padding: 1.2rem;
  transition: all 0.3s;
  cursor: pointer;
}

.topic-card:hover {
  border-color: var(--secondary);
  box-shadow: 0 0 20px rgba(139,47,201,0.2);
  transform: translateY(-3px);
}

.topic-tag {
  font-size: 0.75rem;
  color: var(--secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 1px;
}

.topic-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.topic-meta { font-size: 0.78rem; color: var(--text-muted); }

/* ===== AI模块 ===== */
.ai-section { background: linear-gradient(180deg, rgba(5,5,8,0) 0%, rgba(13,5,24,0.8) 100%); }

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.ai-tool-card {
  background: var(--bg-card);
  border: 1px solid rgba(224,64,251,0.15);
  border-radius: 12px;
  padding: 1.8rem;
  text-align: center;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.ai-tool-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(224,64,251,0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}

.ai-tool-card:hover::before { opacity: 1; }

.ai-tool-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(224,64,251,0.15);
  transform: translateY(-4px);
}

.ai-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.ai-tool-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.ai-tool-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ===== 专家模块 ===== */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.expert-card {
  background: var(--bg-card);
  border: 1px solid rgba(201,162,39,0.1);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s;
}

.expert-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 25px rgba(201,162,39,0.15);
  transform: translateY(-4px);
}

.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  margin: 0 auto 1rem;
  display: block;
  box-shadow: 0 0 15px rgba(201,162,39,0.3);
}

.expert-name { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.expert-title { font-size: 0.8rem; color: var(--primary); margin-bottom: 0.5rem; }
.expert-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

/* ===== 用户评价 ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid rgba(201,162,39,0.1);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s;
  position: relative;
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 4rem;
  color: rgba(201,162,39,0.1);
  font-family: Georgia, serif;
  line-height: 1;
}

.review-card:hover {
  border-color: rgba(201,162,39,0.3);
  box-shadow: 0 4px 20px rgba(201,162,39,0.1);
}

.review-stars {
  color: var(--primary);
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
  letter-spacing: 2px;
}

.review-text {
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.review-name { font-size: 0.88rem; font-weight: 600; }
.review-date { font-size: 0.75rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(201,162,39,0.1);
  border-radius: 10px;
  margin-bottom: 0.8rem;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item.open { border-color: rgba(201,162,39,0.4); }

.faq-question {
  padding: 1.2rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  transition: color 0.3s;
  user-select: none;
}

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

.faq-arrow {
  width: 20px;
  height: 20px;
  border: 1px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--primary);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 200px;
  padding: 0 1.5rem 1.2rem;
}

/* ===== 合作伙伴 ===== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.partner-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 1.2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all 0.3s;
  font-weight: 600;
}

.partner-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(201,162,39,0.05);
}

/* ===== 联系模块 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-icon {
  width: 36px;
  height: 36px;
  background: rgba(201,162,39,0.1);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1rem;
}

/* ===== 页脚 ===== */
.site-footer {
  background: rgba(5,5,8,0.98);
  border-top: 1px solid rgba(201,162,39,0.15);
  padding: 3rem 2rem 1.5rem;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand .nav-logo { font-size: 1.6rem; display: block; margin-bottom: 0.8rem; }

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

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

.footer-col ul li { margin-bottom: 0.5rem; }

.footer-col ul li a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom a { color: var(--text-muted); text-decoration: none; }
.footer-bottom a:hover { color: var(--primary); }

.social-links {
  display: flex;
  gap: 0.8rem;
}

.social-link {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.3s;
}

.social-link:hover {
  background: rgba(201,162,39,0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 0.8rem 2rem;
  background: rgba(13,13,24,0.8);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 64px;
  position: relative;
  z-index: 100;
}

.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--primary); }

/* ===== 页面Banner（内页） ===== */
.page-hero {
  padding: 5rem 2rem 3rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(13,13,24,0.9) 0%, rgba(5,5,8,0) 100%);
  position: relative;
  z-index: 1;
  margin-top: 0;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.8rem;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg-nav); padding: 1rem; border-bottom: 1px solid var(--border-glow); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .search-bar-wrap { padding: 0.7rem 1rem; }
  .section { padding: 3rem 1rem; }
  .footer-top { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-btns { flex-direction: column; align-items: center; }
  .video-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .section-title { font-size: 1.4rem; }
  .reviews-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 滚动动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== 霓虹分割线 ===== */
.neon-divider {
  height: 1px;
  background: var(--gradient-main);
  margin: 0;
  opacity: 0.3;
}

/* ===== 统计数字 ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 3rem 0;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(201,162,39,0.1);
  border-radius: 10px;
}

.stat-num {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-label { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.3rem; }

@media (max-width: 600px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}