/* ========================================
   四虎视频 影视传媒主题 - 全局样式
   配色：暖金琥珀 #D4A853 + 深海蓝 #0B1426 + 酒红 #8B2252
   ======================================== */
:root {
  --color-primary: #D4A853;
  --color-primary-dark: #B8912E;
  --color-primary-light: #F0D48A;
  --color-bg-dark: #0B1426;
  --color-bg-card: #111D33;
  --color-bg-section: #0E1A2E;
  --color-accent: #8B2252;
  --color-accent-light: #C4547A;
  --color-text: #E8E0D0;
  --color-text-muted: #9A8F80;
  --color-border: #1E2D45;
  --color-success: #4CAF50;
  --color-white: #FFFFFF;
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-hover: 0 8px 32px rgba(212,168,83,0.2);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

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

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

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

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

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ===== 顶部公告栏 ===== */
.dqmvhlay {
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary-dark));
  color: var(--color-white);
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  letter-spacing: 1px;
}

/* ===== 导航栏 ===== */
.navbar {
  background: rgba(11,20,38,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 20px;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 42px; width: auto; }
.nav-logo span {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.nav-links { display: flex; gap: 6px; list-style: none; }
.nav-links a {
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--color-primary);
  background: rgba(212,168,83,0.1);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 26px;
  cursor: pointer;
}

/* ===== 搜索栏 ===== */
.search-bar-section {
  background: var(--color-bg-section);
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.search-wrapper {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
}

.search-wrapper input {
  flex: 1;
  padding: 12px 20px;
  border: 2px solid var(--color-border);
  border-radius: 50px;
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 15px;
  outline: none;
  transition: var(--transition);
}

.search-wrapper input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212,168,83,0.15);
}

.search-wrapper button {
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-bg-dark);
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.search-wrapper button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212,168,83,0.3);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 14px 0;
  font-size: 13px;
  color: var(--color-text-muted);
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb span { margin: 0 6px; }

/* ===== Hero Banner ===== */
.a2mv1qt {
  position: relative;
  height: 520px;
  overflow: hidden;
}

.nskxgrvq {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.nskxgrvq.active { opacity: 1; }

.nskxgrvq img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lssko9 {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,20,38,0.95) 0%, rgba(11,20,38,0.4) 50%, rgba(11,20,38,0.2) 100%);
  display: flex;
  align-items: flex-end;
  padding: 60px 40px;
}

.uvt89q { max-width: var(--max-width); margin: 0 auto; width: 100%; }

.uvt89q h1 {
  font-size: 42px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  line-height: 1.3;
}

.uvt89q h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.uvt89q p {
  font-size: 17px;
  color: var(--color-text);
  max-width: 600px;
  margin-bottom: 24px;
}

.xn879wgl { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-bg-dark);
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(212,168,83,0.4);
  color: var(--color-bg-dark);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-outline:hover {
  background: rgba(212,168,83,0.1);
  transform: translateY(-3px);
  color: var(--color-primary);
}

/* ===== 统计数据 ===== */
.p8dmkv2 {
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  padding: 30px 20px;
}

.bge2s77p {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.yufq8l1 h3 {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.yufq8l1 p {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ===== 通用区块标题 ===== */
.q3d7hy {
  text-align: center;
  margin-bottom: 40px;
}

.q3d7hy h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
}

.q3d7hy h2 em {
  font-style: normal;
  color: var(--color-primary);
}

.q3d7hy p {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.uozex0xx {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: 12px auto 0;
  border-radius: 2px;
}

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

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

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}

.video-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 60px;
  height: 60px;
  background: rgba(212,168,83,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 18px solid var(--color-bg-dark);
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  margin-left: 4px;
}

.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.8);
  color: var(--color-white);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.video-info { padding: 16px; }

.video-info h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  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;
  font-size: 12px;
  color: var(--color-text-muted);
}

.video-tags { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.video-tags span {
  padding: 3px 10px;
  background: rgba(212,168,83,0.1);
  color: var(--color-primary);
  border-radius: 20px;
  font-size: 11px;
  border: 1px solid rgba(212,168,83,0.2);
}

/* ===== 内容区块 ===== */
.content-section {
  padding: 60px 20px;
}

.content-section:nth-child(even) {
  background: var(--color-bg-section);
}

/* ===== 模块卡片网格 ===== */
.ugpygtl {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.c3pl6 {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  text-align: center;
}

.c3pl6:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
}

.s7ijs {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(212,168,83,0.15), rgba(139,34,82,0.15));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.c3pl6 h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.c3pl6 p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== 专家团队 ===== */
.nhwq8zqa {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.vbqli3t {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}

.vbqli3t:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
}

.fcauyrfm {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--color-white);
}

.vbqli3t h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.vbqli3t .title {
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.vbqli3t p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.ocy36 { display: flex; gap: 8px; justify-content: center; }
.ocy36 a {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* ===== 合作品牌 ===== */
.bcrl9o {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.ulxstl3 {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.ulxstl3:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== HowTo指南 ===== */
.hthiytj {
  max-width: 700px;
  margin: 0 auto;
}

.n4p7qtsf {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.p2h42 {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--color-white);
}

.pdqk0hc h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 6px;
}

.pdqk0hc p {
  font-size: 14px;
  color: var(--color-text-muted);
}

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

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

.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--color-white);
  font-size: 15px;
  transition: var(--transition);
}

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

.faq-question::after {
  content: '+';
  font-size: 22px;
  color: var(--color-primary);
  transition: var(--transition);
}

.faq-item.open .faq-question::after {
  content: '-';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding: 0 24px 18px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== 用户评论 ===== */
.edyuq0pi {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.aixnwhj {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.lif1oy {
  color: var(--color-primary);
  font-size: 16px;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.aixnwhj p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 14px;
  font-style: italic;
}

.wm1fryi7 {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 600;
  font-style: normal;
}

/* ===== 联系我们 ===== */
.qgh400 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.rl6s1i {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}

.rl6s1i h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.rl6s1i p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== 社交分享 ===== */
.share-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.share-btn:hover { transform: translateY(-2px); }
.share-wechat { background: #07C160; }
.share-weibo { background: #E6162D; }
.share-douyin { background: #161823; border: 1px solid #333; }
.share-bilibili { background: #00A1D6; }

/* ===== 页脚 ===== */
.footer {
  background: #060D18;
  border-top: 1px solid var(--color-border);
  padding: 50px 20px 20px;
}

.dyxjctyk {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.inqdqk img { height: 40px; margin-bottom: 12px; }
.inqdqk p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.tu8pt h5 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.tu8pt a {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.tu8pt a:hover { color: var(--color-primary); }

.rhnqfmtg {
  display: flex;
  gap: 16px;
  margin-top: 12px;
}

.rhnqfmtg img { width: 90px; height: 90px; border-radius: 6px; }

.bls8o {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.bls8o a { color: var(--color-text-muted); }
.bls8o a:hover { color: var(--color-primary); }

/* ===== 内页通用 ===== */
.cp686 {
  background: linear-gradient(135deg, var(--color-bg-dark), var(--color-bg-section));
  padding: 50px 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.cp686 h1 {
  font-size: 34px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
}

.cp686 h1 em { font-style: normal; color: var(--color-primary); }

.cp686 p {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.x9y3iud1 { padding: 40px 20px; }

/* ===== 标签云 ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
}

.tag-cloud a {
  padding: 6px 16px;
  background: rgba(212,168,83,0.08);
  color: var(--color-primary);
  border: 1px solid rgba(212,168,83,0.2);
  border-radius: 20px;
  font-size: 13px;
  transition: var(--transition);
}

.tag-cloud a:hover {
  background: rgba(212,168,83,0.2);
  border-color: var(--color-primary);
}

/* ===== 信任保障 ===== */
.m5c2n9l {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.kydupvk {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}

.kydupvk:hover { border-color: var(--color-primary); }

.kydupvk .icon { font-size: 28px; margin-bottom: 8px; }
.kydupvk h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}
.kydupvk p { font-size: 12px; color: var(--color-text-muted); }

/* ===== 直播卡片 ===== */
.cfyi70f {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.avcqdbn2 {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.avcqdbn2:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(139,34,82,0.2);
}

.ftrfdt8 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: #E53935;
  color: white;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  position: absolute;
  top: 10px;
  left: 10px;
}

.c2qzbd {
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  animation: blink 1s infinite;
}

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

.avcqdbn2 .video-thumb { position: relative; }

.live-info { padding: 14px; }
.live-info h4 { font-size: 14px; color: var(--color-white); margin-bottom: 6px; }
.live-info p { font-size: 12px; color: var(--color-text-muted); }

/* ===== 美图画廊 ===== */
.qen31myj {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.wph4yl {
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  aspect-ratio: 3/4;
}

.wph4yl img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.wph4yl:hover img { transform: scale(1.1); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .dyxjctyk { grid-template-columns: 1fr 1fr; }
  .bge2s77p { grid-template-columns: repeat(2, 1fr); }
  .uvt89q h1 { font-size: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-bg-dark);
    border-bottom: 1px solid var(--color-border);
    padding: 16px;
    gap: 4px;
  }
  .a2mv1qt { height: 400px; }
  .uvt89q h1 { font-size: 26px; }
  .lssko9 { padding: 40px 20px; }
  .dyxjctyk { grid-template-columns: 1fr; }
  .q3d7hy h2 { font-size: 24px; }
}

@media (max-width: 480px) {
  .a2mv1qt { height: 320px; }
  .uvt89q h1 { font-size: 22px; }
  .bge2s77p { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .yufq8l1 h3 { font-size: 24px; }
  .video-grid { grid-template-columns: 1fr; }
  .xn879wgl { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
}