/* 17c一起草 - 现代直播风格主样式 5sf3c2.cn */
:root {
  --primary: #ff2d55;
  --primary-dark: #d61842;
  --primary-light: #ff6584;
  --secondary-brand: #7000ff;
  --accent: #00f2fe;
  --accent-gold: #ffb800;
  --bg-dark: #090a10;
  --bg-card: #121420;
  --bg-card-hover: #191c2d;
  --bg-section: #0d0f18;
  --text-primary: #ffffff;
  --text-secondary: #c5c9db;
  --text-muted: #7d849b;
  --border: #23273e;
  --border-focus: #ff2d55;
  --red: #ff3b30;
  --gradient-main: linear-gradient(135deg, #ff2d55 0%, #7000ff 50%, #00f2fe 100%);
  --gradient-btn: linear-gradient(135deg, #ff2d55 0%, #e11d48 100%);
  --gradient-card: linear-gradient(180deg, rgba(25,28,45,0.7) 0%, rgba(18,20,32,0.9) 100%);
  --shadow: 0 6px 24px rgba(0,0,0,0.45);
  --shadow-hover: 0 10px 32px rgba(255,45,85,0.32);
  --shadow-glow: 0 0 20px rgba(112,0,255,0.35);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

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

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--primary), var(--secondary-brand)); border-radius: 4px; }

/* ===== 顶部公告栏 ===== */
.top-bar {
  background: linear-gradient(90deg, #1f0b24 0%, #0b1129 100%);
  padding: 8px 0;
  font-size: 13px;
  color: #d1d5db;
  border-bottom: 1px solid rgba(255,45,85,0.25);
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-links a { color: #cbd5e1; margin-left: 18px; font-size: 12px; }
.top-bar-links a:hover { color: var(--accent); }

/* ===== 导航栏 ===== */
header {
  background: rgba(13,15,24,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 25px rgba(0,0,0,0.6);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo img {
  height: 44px;
  width: auto;
  display: block;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-main);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; }
.logo-text span:first-child {
  color: var(--text-primary);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 0.5px;
}
.logo-text span:last-child {
  font-size: 10px;
  color: #a78bfa;
  font-weight: 700;
  letter-spacing: 1.5px;
}

nav { display: flex; align-items: center; gap: 4px; }
nav a {
  color: var(--text-secondary);
  font-size: 14px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-weight: 500;
  white-space: nowrap;
}
nav a:hover, nav a.active {
  color: #fff;
  background: rgba(255,45,85,0.18);
  border-color: rgba(255,45,85,0.4);
}

.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-login {
  background: transparent;
  border: 1px solid rgba(255,45,85,0.6);
  color: #fff;
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
}
.btn-login:hover { background: rgba(255,45,85,0.15); border-color: var(--primary); color: var(--primary-light); }
.btn-join {
  background: var(--gradient-btn);
  border: none;
  color: #fff;
  padding: 7px 20px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255,45,85,0.4);
}
.btn-join:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255,45,85,0.55); }

/* ===== 搜索框 ===== */
.search-bar {
  background: #0d0f18;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.search-inner {
  display: flex;
  align-items: center;
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 28px;
  overflow: hidden;
  transition: var(--transition);
}
.search-inner:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,45,85,0.25); }
.search-inner input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 12px 20px;
  color: var(--text-primary);
  font-size: 14px;
}
.search-inner input::placeholder { color: var(--text-muted); }
.search-inner button {
  background: var(--gradient-btn);
  border: none;
  color: #fff;
  padding: 12px 24px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
}
.search-inner button:hover { opacity: 0.92; }

/* ===== 容器 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-section);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb span { margin: 0 8px; color: #4b5563; }
.breadcrumb strong { color: #f1f5f9; font-weight: 600; }

/* ===== Hero Banner ===== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.38) saturate(1.2);
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(9,10,16,0.95) 0%, rgba(9,10,16,0.6) 55%, rgba(9,10,16,0.2) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,45,85,0.18);
  border: 1px solid rgba(255,45,85,0.5);
  color: #ff8ca3;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(28px, 4.2vw, 54px);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 18px;
  color: #ffffff;
}
.hero h1 em {
  background: linear-gradient(135deg, #ff2d55 0%, #ff8ca3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: normal;
}
.hero p {
  font-size: 16px;
  color: #d1d5db;
  margin-bottom: 30px;
  line-height: 1.85;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--gradient-btn);
  color: #fff;
  padding: 13px 30px;
  border-radius: 26px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 20px rgba(255,45,85,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255,45,85,0.6); color: #fff; }
.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: #fff;
  padding: 13px 30px;
  border-radius: 26px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.22);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { border-color: var(--primary-light); color: var(--primary-light); background: rgba(255,45,85,0.1); }

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 36px;
}
.hero-stat text-align: left;
.hero-stat .num {
  font-size: 30px;
  font-weight: 900;
  background: linear-gradient(135deg, #ffb800 0%, #ff6b8b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat .label { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===== 区块标题 ===== */
.section { padding: 68px 0; }
.section-alt { background: var(--bg-section); }
.section-title {
  text-align: center;
  margin-bottom: 44px;
}
.section-title h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
}
.section-title h2 span {
  background: linear-gradient(135deg, #ff2d55 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-title p { color: var(--text-secondary); font-size: 15px; max-width: 560px; margin: 0 auto; }
.section-title-line {
  width: 54px;
  height: 4px;
  background: var(--gradient-main);
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 22px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0f111a;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-btn);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid rgba(255,255,255,0.85);
  transform: scale(0.85);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 18px rgba(0,0,0,0.5);
}
.video-card:hover .play-icon { transform: scale(1.05); }
.play-icon svg { width: 22px; height: 22px; fill: #fff; margin-left: 3px; }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.82);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--gradient-btn);
  color: #fff;
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.video-info { padding: 16px; }
.video-info h3 {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}
.video-meta .views { display: flex; align-items: center; gap: 4px; }
.video-meta .likes { display: flex; align-items: center; gap: 4px; color: var(--primary-light); font-weight: 600; }

/* ===== 新闻与问答卡片 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.news-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.news-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.news-card:hover .news-img img { transform: scale(1.05); }
.news-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.news-cat {
  display: inline-block;
  background: rgba(255,45,85,0.15);
  color: var(--primary-light);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
  border: 1px solid rgba(255,45,85,0.3);
  align-self: flex-start;
}
.news-body h3 { font-size: 16px; font-weight: 800; margin-bottom: 10px; line-height: 1.5; color: #fff; }
.news-body p { font-size: 13px; color: var(--text-secondary); line-height: 1.75; flex: 1; }
.news-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}
.news-footer a { color: var(--primary-light); font-size: 13px; font-weight: 700; }
.news-footer a:hover { color: var(--accent); }

/* ===== 专家卡片 ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 26px 20px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
.expert-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin: 0 auto 16px;
  overflow: hidden;
  border: 3px solid var(--primary);
  box-shadow: 0 0 20px rgba(255,45,85,0.35);
}
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 4px; color: #fff; }
.expert-card .role { font-size: 13px; color: var(--primary-light); font-weight: 600; margin-bottom: 12px; }
.expert-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 14px; }
.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.expert-tag {
  background: rgba(112,0,255,0.18);
  color: #c4b5fd;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid rgba(112,0,255,0.3);
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 6px 16px;
  border-radius: 18px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.btn-sm-primary { background: var(--gradient-btn); color: #fff; }
.btn-sm-primary:hover { opacity: 0.9; }
.btn-sm-outline { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.btn-sm-outline:hover { border-color: var(--primary); color: var(--primary-light); }

/* ===== 功能模块 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 26px 20px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-icon {
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, rgba(255,45,85,0.2) 0%, rgba(112,0,255,0.2) 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 26px;
  border: 1px solid rgba(255,45,85,0.3);
}
.feature-card h3 { font-size: 16px; font-weight: 800; margin-bottom: 8px; color: #fff; }
.feature-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

/* ===== 用户评价 ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.review-card:hover { border-color: var(--primary); }
.review-stars { color: var(--accent-gold); font-size: 15px; margin-bottom: 10px; }
.review-text { font-size: 14px; color: #e2e8f0; line-height: 1.75; margin-bottom: 16px; }
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.review-user-info .name { font-size: 14px; font-weight: 700; color: #fff; }
.review-user-info .date { font-size: 12px; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-q {
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  color: #fff;
}
.faq-q:hover { background: rgba(255,45,85,0.08); color: var(--primary-light); }
.faq-q.open { color: var(--primary-light); background: rgba(255,45,85,0.1); }
.faq-q span:last-child { font-size: 20px; transition: transform 0.3s; color: var(--primary-light); }
.faq-q.open span:last-child { transform: rotate(45deg); }
.faq-a {
  display: none;
  padding: 0 22px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.85;
  border-top: 1px solid var(--border);
}
.faq-a.open { display: block; }

/* ===== 合作伙伴 ===== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}
.partner-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #cbd5e1;
  transition: var(--transition);
  min-height: 68px;
}
.partner-item:hover { border-color: var(--primary); color: #fff; background: rgba(255,45,85,0.1); }

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 { font-size: 20px; font-weight: 800; margin-bottom: 22px; color: #fff; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-icon {
  width: 46px;
  height: 46px;
  background: rgba(255,45,85,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  border: 1px solid rgba(255,45,85,0.3);
}
.contact-item .label { font-size: 12px; color: var(--text-muted); margin-bottom: 3px; }
.contact-item .value { font-size: 15px; font-weight: 700; color: #fff; }
.qr-codes { display: flex; gap: 24px; margin-top: 26px; }
.qr-item { text-align: center; }
.qr-box {
  width: 108px;
  height: 108px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  overflow: hidden;
}
.qr-box svg { width: 88px; height: 88px; }
.qr-item p { font-size: 12px; color: var(--text-muted); font-weight: 600; }

/* ===== 社交分享 ===== */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 0;
}
.share-label { font-size: 14px; color: var(--text-muted); font-weight: 600; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.share-wechat { background: #07c160; color: #fff; }
.share-weibo { background: #e6162d; color: #fff; }
.share-douyin { background: #161823; color: #fff; border: 1px solid #334155; }
.share-bilibili { background: #00a1d6; color: #fff; }
.share-btn:hover { opacity: 0.88; transform: translateY(-1px); }

/* ===== 底部 ===== */
footer {
  background: #06070a;
  border-top: 1px solid var(--border);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p { font-size: 13px; color: var(--text-muted); line-height: 1.85; margin-top: 16px; }
.footer-col h4 { font-size: 15px; font-weight: 800; color: #fff; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: var(--text-muted); }
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ===== 内页样式与侧边栏 ===== */
.page-hero {
  background: linear-gradient(135deg, rgba(255,45,85,0.08) 0%, rgba(112,0,255,0.08) 100%), var(--bg-section);
  padding: 44px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(24px, 3.2vw, 38px); font-weight: 900; margin-bottom: 12px; color: #fff; }
.page-hero p { font-size: 15px; color: #d1d5db; max-width: 680px; line-height: 1.8; }

.content-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 30px;
  align-items: start;
}
.sidebar-widget {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--border);
  margin-bottom: 22px;
}
.sidebar-widget h4 {
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  color: #fff;
}
.sidebar-list { list-style: none; }
.sidebar-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list li a { color: var(--text-secondary); display: flex; justify-content: space-between; }
.sidebar-list li a:hover { color: var(--primary-light); }
.sidebar-list li span { color: var(--text-muted); font-size: 12px; }

/* ===== 文章详情 ===== */
.article-content {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 34px;
  border: 1px solid var(--border);
}
.article-content h1 { font-size: 26px; font-weight: 900; margin-bottom: 18px; line-height: 1.4; color: #fff; }
.article-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.article-body { font-size: 15px; line-height: 1.95; color: #d1d5db; }
.article-body h2 { font-size: 21px; color: #fff; margin: 26px 0 14px; font-weight: 800; }
.article-body h3 { font-size: 18px; color: #f8fafc; margin: 22px 0 12px; font-weight: 700; }
.article-body p { margin-bottom: 18px; }
.article-body img { border-radius: var(--radius-sm); margin: 22px 0; width: 100%; }

/* ===== 评论区 ===== */
.comments-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 26px;
  border: 1px solid var(--border);
  margin-top: 24px;
}
.comments-section h3 { font-size: 18px; font-weight: 800; margin-bottom: 20px; color: #fff; }
.comment-item {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.comment-item:last-child { border-bottom: none; }
.comment-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.comment-body .user { font-size: 14px; font-weight: 700; margin-bottom: 4px; color: #fff; }
.comment-body .text { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.comment-body .date { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

/* ===== 分页与标签 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.page-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active { background: var(--gradient-btn); border-color: var(--primary); color: #fff; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
}
.badge-gold { background: rgba(255,184,0,0.15); color: var(--accent-gold); border: 1px solid rgba(255,184,0,0.3); }

/* ===== 视频播放器外壳 ===== */
.video-player-wrap {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}
.video-player-wrap img { width: 100%; height: 100%; object-fit: cover; opacity: 0.7; }
.video-player-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
}
.big-play-btn {
  width: 80px;
  height: 80px;
  background: var(--gradient-btn);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid rgba(255,255,255,0.85);
  box-shadow: 0 6px 25px rgba(255,45,85,0.6);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.big-play-btn:hover { transform: scale(1.1); }
.big-play-btn svg { width: 36px; height: 36px; fill: #fff; margin-left: 5px; }

/* ===== 工具网格 ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.tool-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.tool-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.tool-icon { font-size: 40px; margin-bottom: 12px; }
.tool-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: #fff; }
.tool-card p { font-size: 13px; color: var(--text-secondary); }

/* ===== 手机汉堡与响应式 ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .content-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-dark); border-top: 1px solid var(--border); flex-direction: column; padding: 16px; gap: 4px; z-index: 999; }
  nav.open { display: flex; }
  nav a { padding: 10px 16px; border-radius: var(--radius-sm); }
  .hamburger { display: flex; }
  .header-inner { position: relative; }
  .hero { min-height: 420px; }
  .hero h1 { font-size: 26px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .section { padding: 42px 0; }
  .header-actions .btn-login { display: none; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; }
}


/* 17c一起草浅色直播主题 v2 */
:root {
  --primary: #f23f72;
  --primary-dark: #d82c60;
  --primary-light: #e8366b;
  --secondary-brand: #7957e8;
  --accent: #0ca8b8;
  --accent-gold: #d98b00;
  --bg-dark: #f5f7ff;
  --bg-card: #ffffff;
  --bg-card-hover: #fff8fb;
  --bg-section: #fff3f8;
  --text-primary: #20233f;
  --text-secondary: #535a78;
  --text-muted: #78809e;
  --border: #e8e7f2;
  --border-focus: #f23f72;
  --gradient-main: linear-gradient(135deg, #f23f72 0%, #7957e8 54%, #0ca8b8 100%);
  --gradient-btn: linear-gradient(135deg, #f23f72 0%, #d82c60 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #fff7fb 100%);
  --shadow: 0 10px 30px rgba(58, 47, 97, 0.10);
  --shadow-hover: 0 16px 34px rgba(242, 63, 114, 0.18);
  --shadow-glow: 0 0 24px rgba(121, 87, 232, 0.22);
}
body { background: var(--bg-dark); color: var(--text-primary); }
a { color: var(--primary); }
a:hover { color: var(--secondary-brand); }
.top-bar { background: linear-gradient(90deg, #fff0f4 0%, #eef4ff 52%, #eafbfb 100%); color: #535a78; border-bottom: 1px solid #f2d4df; }
.top-bar-links a { color: #626987; }
.top-bar-links a:hover { color: var(--primary); }
header { background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); box-shadow: 0 4px 20px rgba(58,47,97,.08); }
nav a { color: #525a78; }
nav a:hover, nav a.active { color: var(--primary); background: #fff0f4; }
.btn-login { color: #4f5672; border-color: #e8a4b9; }
.btn-login:hover { background: #fff0f4; color: var(--primary); }
.search-bar { background: #ffffff; border-bottom: 1px solid var(--border); }
.search-inner { background: #fbfbff; border-color: #dedff0; box-shadow: 0 6px 18px rgba(58,47,97,.04); }
.search-inner input { color: var(--text-primary); }
.search-inner input::placeholder { color: #8d94ae; }
.breadcrumb { background: #ffffff; border-bottom-color: var(--border); }
.breadcrumb strong { color: #363b5b; }
.hero { background: #fff4f6; }
.hero-bg { background-position: center center; filter: brightness(.98) saturate(1.08); }
.hero-overlay { background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.86) 44%, rgba(255,255,255,.10) 100%); }
.hero-content { color: var(--text-primary); }
.hero-badge { background: rgba(242,63,114,.10); border-color: rgba(242,63,114,.35); color: #d82c60; }
.hero h1 { color: #252743; text-shadow: none; }
.hero h1 em { color: var(--primary); }
.hero p { color: #515975; }
.hero-stats .num { color: #2d3155; }
.hero-stat .label { color: #707895; }
.section { background: #ffffff; }
.section-alt { background: linear-gradient(135deg, #fff5f8 0%, #f5f6ff 100%); }
.section-title h2 { color: #282b4b; }
.section-title p { color: #626987; }
.video-card, .news-card, .expert-card, .feature-card, .review-card, .faq-item, .partner-item, .tool-card, .sidebar-widget, .article-content, .comments-section { background: var(--gradient-card); border-color: var(--border); box-shadow: var(--shadow); }
.video-card:hover, .news-card:hover, .expert-card:hover, .feature-card:hover, .tool-card:hover, .review-card:hover { box-shadow: var(--shadow-hover); }
.video-thumb { background: #e9eafd; }
.video-play-btn { background: rgba(38,42,78,.18); }
.video-duration { background: rgba(36,39,69,.82); }
.video-info h3, .news-body h3, .expert-card h3, .feature-card h3, .tool-card h3, .review-user-info .name { color: #292d4d; }
.video-meta, .news-footer, .article-meta { color: #78809e; }
.news-body p, .feature-card p, .expert-card p, .tool-card p, .review-text { color: #5b6380; }
.news-cat { background: #fff0f4; color: #db3567; border-color: #f3bfd0; }
.expert-tag { background: #f1edff; color: #6850c7; border-color: #dcd3ff; }
.feature-icon { background: linear-gradient(135deg, #fff0f4 0%, #eef4ff 100%); border-color: #f2c8d5; }
.review-text { color: #535a78; }
.faq-q { color: #363b5b; }
.faq-q:hover, .faq-q.open { background: #fff0f4; color: var(--primary); }
.faq-a { color: #626987; border-top-color: var(--border); }
.partner-item { color: #59617d; }
.partner-item:hover { background: #fff0f4; color: var(--primary); }
.contact-info h3, .contact-item .value, .comments-section h3, .sidebar-widget h4 { color: #2b2f50; }
.contact-item .label { color: #78809e; }
.contact-icon { background: #fff0f4; border-color: #f2c8d5; }
.qr-box { background: #fff; border-color: var(--border); }
.share-label { color: #78809e; }
.share-douyin { background: #262a4e; }
footer { background: linear-gradient(135deg, #fff0f5 0%, #f0f3ff 55%, #eafafb 100%); border-top-color: #e0e2f0; }
.footer-brand p, .footer-col ul li a, .footer-bottom, .footer-bottom a { color: #69728f; }
.footer-col h4 { color: #2b2f50; }
.page-hero { background: linear-gradient(135deg, #fff0f5 0%, #eef4ff 60%, #eafafb 100%); border-bottom-color: var(--border); }
.page-hero h1 { color: #272b4a; }
.page-hero p { color: #5c6480; }
.article-content h1, .article-body h2, .article-body h3 { color: #292d4d; }
.article-body { color: #555e7c; }
.comment-body .user { color: #303454; }
.comment-body .text { color: #5c6480; }
.page-btn { background: #ffffff; border-color: var(--border); color: #626987; }
.video-player-wrap { background: #252743; }
.video-player-wrap img { opacity: .92; }
.tool-card p { color: #606883; }
.hamburger span { background: #4a5270; }
/* 覆盖内页少量内联白色文字，保持明亮主题一致 */
[style*="color:#fff"], [style*="color: #fff"] { color: var(--text-primary) !important; }
[style*="color:#ffffff"], [style*="color: #ffffff"] { color: var(--text-primary) !important; }
@media (max-width: 768px) {
  nav { background: #ffffff; border-top-color: var(--border); }
}