/* ===== 抖音风抖音风潮流视频 - 主样式文件 =====
   域名: kemvenjk.cn | 品牌: 抖音风 | 百度SEO EEAT优化版 */

/* ===== CSS变量 ===== */
:root {
  --primary: #FF6B00;
  --primary-dark: #E05A00;
  --secondary: #0D1B2A;
  --accent: #1A3A5C;
  --text-light: #F0F4F8;
  --text-muted: #8FA3B8;
  --bg-dark: #0A1520;
  --bg-card: #111E2D;
  --bg-card2: #162333;
  --border: #1E3A52;
  --gradient-hero: linear-gradient(135deg, #0A1520 0%, #1A3A5C 50%, #0D1B2A 100%);
  --gradient-orange: linear-gradient(135deg, #FF6B00, #FF9500);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: all 0.3s ease;
}

/* ===== 重置与基础 ===== */
*, *::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-dark);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; }

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

/* ===== 顶部公告栏 ===== */
.top-bar {
  background: var(--gradient-orange);
  color: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
}
.top-bar a { color: #fff; text-decoration: underline; }

/* ===== 头部导航 ===== */
.site-header {
  background: rgba(10,21,32,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: 1px; }
.logo-slogan { font-size: 11px; color: var(--text-muted); letter-spacing: 0.5px; }

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: var(--text-light);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary);
  background: rgba(255,107,0,0.1);
}

/* 搜索框 */
.search-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  min-width: 200px;
  transition: var(--transition);
}
.search-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.15);
}
.search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-light);
  font-size: 13px;
  padding: 8px 16px;
  width: 100%;
}
.search-input::placeholder { color: var(--text-muted); }
.search-btn {
  background: var(--gradient-orange);
  border: none;
  color: #fff;
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}
.search-btn:hover { opacity: 0.85; }

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero Banner ===== */
.wdlcaq {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.boerb {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  z-index: 0;
}
.oz5h9 {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,21,32,0.85) 0%, rgba(26,58,92,0.5) 50%, rgba(10,21,32,0.7) 100%);
  z-index: 1;
}
.xy4bi {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  width: 100%;
}
.l9iuwnr {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,107,0,0.15);
  border: 1px solid rgba(255,107,0,0.4);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.l9iuwnr::before { content: '▶'; font-size: 10px; }
.b7wq4 {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.b7wq4 .brand { color: var(--primary); }
.b7wq4 .highlight {
  background: var(--gradient-orange);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ng5zz {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(240,244,248,0.85);
  max-width: 600px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.w5nduos {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.dkggbz { text-align: left; }
.dkggbz .num {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}
.dkggbz .label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.yo52ev { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--gradient-orange);
  color: #fff;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(255,107,0,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,107,0,0.5); color: #fff; }
.btn-outline {
  background: transparent;
  color: #fff;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(255,107,0,0.08); }

/* ===== 通用区块 ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-card); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  background: rgba(255,107,0,0.12);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid rgba(255,107,0,0.25);
}
.section-title {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-title .brand { color: var(--primary); }
.section-desc { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; line-height: 1.8; }

/* ===== 视频卡片 ===== */
.exmjhps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.k3jp3 {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.k3jp3:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  border-color: var(--primary);
}
.gvtctml {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  background: var(--bg-card2);
}
.gvtctml img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.k3jp3:hover .gvtctml img { transform: scale(1.05); }
.v77h1j {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 60px;
  height: 60px;
  background: rgba(255,107,0,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  z-index: 2;
}
.v77h1j::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
.k3jp3:hover .v77h1j { transform: translate(-50%, -50%) scale(1); }
.f1hn4 {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.qi0l6u {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.oi07sk { padding: 16px; }
.u4j9wfum {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cv7ie20 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.cv7ie20 span { display: flex; align-items: center; gap: 4px; }
.x1ob91 {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.x1ob91 span { display: flex; align-items: center; gap: 4px; }

/* ===== 功能模块卡片 ===== */
.emtbhty {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.iw9kwfd {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.iw9kwfd::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-orange);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.iw9kwfd:hover::before { transform: scaleX(1); }
.iw9kwfd:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(255,107,0,0.3);
}
.g472n {
  width: 56px;
  height: 56px;
  background: rgba(255,107,0,0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  border: 1px solid rgba(255,107,0,0.2);
}
.elqhemy { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.wrth45bk { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== 专家展示 ===== */
.zwb1e {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
}
.b111e7 {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  text-align: center;
}
.b111e7:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  border-color: var(--primary);
}
.v7j7v {
  width: 100%;
  height: 240px;
  object-fit: cover;
  object-position: top;
}
.yyq5156 { padding: 20px; }
.e1swypi { font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.e19lmnth { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.r1w04 { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.pdyblwgh {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 16px;
}
.award-tag {
  background: rgba(255,107,0,0.1);
  color: var(--primary);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255,107,0,0.2);
}
.p9n9i { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-sm-primary {
  background: var(--gradient-orange);
  color: #fff;
}
.btn-sm-primary:hover { opacity: 0.85; color: #fff; }
.btn-sm-outline {
  background: transparent;
  color: var(--text-light);
  border: 1px solid var(--border);
}
.btn-sm-outline:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 评价区 ===== */
.rbj8a8 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.ef0v2 {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative;
}
.ef0v2:hover { border-color: rgba(255,107,0,0.3); box-shadow: var(--shadow-card); }
.ef0v2::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 60px;
  color: rgba(255,107,0,0.1);
  font-family: Georgia, serif;
  line-height: 1;
}
.m2pc92g { color: #FFB800; font-size: 16px; margin-bottom: 12px; letter-spacing: 2px; }
.vsab7 { font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.q3cift75 { display: flex; align-items: center; gap: 12px; }
.sg7jv10n {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.nijtk { font-size: 14px; font-weight: 700; }
.fxznluu { font-size: 12px; color: var(--text-muted); }

/* ===== FAQ ===== */
.emrrf9c { max-width: 800px; margin: 0 auto; }
.lr01wi5 {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.lr01wi5:hover { border-color: rgba(255,107,0,0.3); }
.vya42q {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}
.vya42q::after {
  content: '+';
  font-size: 22px;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.lr01wi5.open .vya42q::after { transform: rotate(45deg); }
.fe9k4oyf {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.nzjondnd {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ===== 合作品牌 ===== */
.rxhbto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 20px;
}
.pg0m78n {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-muted);
  transition: var(--transition);
  min-height: 80px;
  letter-spacing: 1px;
}
.pg0m78n:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255,107,0,0.05);
}

/* ===== 联系区 ===== */
.jend1 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.dmqp4 { display: flex; flex-direction: column; gap: 16px; }
.tk71m0 {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}
.tk71m0:hover { border-color: rgba(255,107,0,0.3); }
.igle27q {
  width: 44px;
  height: 44px;
  background: rgba(255,107,0,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.nxakr { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.jvk0xc { font-size: 15px; font-weight: 600; }

/* QR码区 */
.qr-grid { display: flex; gap: 24px; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-item img {
  width: 140px;
  height: 140px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  object-fit: cover;
}
.qr-label { font-size: 13px; color: var(--text-muted); margin-top: 8px; }

/* ===== 社交分享 ===== */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.share-label { font-size: 14px; color: var(--text-muted); }
.share-btn {
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
  color: #fff;
}
.share-wechat { background: #07C160; }
.share-weibo { background: #E6162D; }
.share-douyin { background: #010101; border: 1px solid #333; }
.share-bilibili { background: #00A1D6; }
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); color: #fff; }

/* ===== 加入社区 ===== */
.o7wzcye2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.a0onk {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.a0onk:hover { border-color: var(--primary); transform: translateY(-4px); }
.a0onk::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background: var(--gradient-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
}
.m4se1i { font-size: 32px; margin-bottom: 12px; }
.fffhblks { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.rgr27 { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ===== AI赋能区 ===== */
.th8g0ef {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  max-height: 380px;
}
.uk53tv { display: flex; flex-direction: column; gap: 20px; }
.qcpv95 {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.ivxi4bs {
  width: 48px;
  height: 48px;
  background: rgba(255,107,0,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  border: 1px solid rgba(255,107,0,0.2);
}
.gtqf6t7 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.w02j4x { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb-inner a { color: var(--text-muted); }
.breadcrumb-inner a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--border); }
.breadcrumb-current { color: var(--primary); font-weight: 600; }

/* ===== 页脚 ===== */
.site-footer {
  background: #060E18;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-icon {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
  color: var(--text-muted);
}
.social-icon:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.footer-col-title { font-size: 15px; font-weight: 700; margin-bottom: 20px; color: var(--text-light); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}
.footer-bottom-left { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.footer-bottom-right { display: flex; align-items: center; }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
.footer-icp { font-size: 11px; color: var(--text-muted); }
.footer-icp a { color: var(--text-muted); }
.footer-icp a:hover { color: var(--primary); }
.footer-update-bar {
  background: rgba(0,0,0,0.3);
  text-align: center;
  padding: 10px 24px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.03);
}
.footer-contact-quick {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-contact-quick a { color: var(--text-muted); }
.footer-contact-quick a:hover { color: var(--primary); }

/* ===== 内页Hero ===== */
.page-hero {
  background: var(--gradient-hero);
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,107,0,0.1) 0%, transparent 70%);
}
.page-hero-title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 900;
  margin-bottom: 12px;
}
.page-hero-desc { font-size: 16px; color: var(--text-muted); max-width: 600px; }

/* ===== 通知横幅 ===== */
.notice-banner {
  background: rgba(255,107,0,0.08);
  border: 1px solid rgba(255,107,0,0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  font-size: 14px;
}
.notice-icon { font-size: 20px; flex-shrink: 0; }

/* ===== 标签页 ===== */
.tabs { display: flex; gap: 4px; margin-bottom: 32px; border-bottom: 1px solid var(--border); padding-bottom: 0; }
.tab-btn {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: -1px;
}
.tab-btn.active, .tab-btn:hover { color: var(--primary); border-bottom-color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .jend1 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--secondary); flex-direction: column; padding: 16px; border-bottom: 1px solid var(--border); gap: 4px; }
  .main-nav.open { display: flex; }
  .hamburger { display: flex; }
  .search-wrap { min-width: 140px; }
  .w5nduos { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .exmjhps { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .zwb1e { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}
@media (max-width: 480px) {
  .header-inner { padding: 0 16px; }
  .xy4bi { padding: 60px 16px; }
  .container { padding: 0 16px; }
  .section { padding: 60px 0; }
  .yo52ev { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; justify-content: center; }
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,107,0,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(255,107,0,0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }
.pulse { animation: pulse 2s infinite; }

/* ===== 懒加载占位 ===== */
img[data-src] { background: var(--bg-card2); min-height: 100px; }

/* ===== 视频播放模态框 ===== */
.e78ma {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.e78ma.open { display: flex; }
.h0n3j {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 800px;
  width: 90%;
  position: relative;
}
.rdp8vmxl {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  transition: var(--transition);
}
.rdp8vmxl:hover { color: var(--primary); }
.xbhce {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* ===== 滚动到顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--gradient-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(255,107,0,0.4);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }