/* =====================================================
   福利姬 官网样式 | bdlukc.cn
   原创配色：深夜黑 #0A0A0F + 炫光红 #FF2D4B + 铂金银 #C8D0DC
   设计风格：赛车豪华 · 暗黑科技 · 影视传媒
   ===================================================== */

/* ---- 变量定义 ---- */
:root {
  --clr-bg:       #0A0A0F;
  --clr-bg2:      #12121A;
  --clr-bg3:      #1A1A26;
  --clr-red:      #FF2D4B;
  --clr-red2:     #CC1F38;
  --clr-gold:     #D4A843;
  --clr-silver:   #C8D0DC;
  --clr-white:    #F0F2F5;
  --clr-muted:    #8A8FA8;
  --clr-border:   #2A2A3A;
  --radius:       10px;
  --radius-lg:    18px;
  --shadow:       0 4px 24px rgba(255,45,75,0.12);
  --shadow-lg:    0 8px 48px rgba(255,45,75,0.2);
  --trans:        all 0.28s cubic-bezier(.4,0,.2,1);
  --font-main:    'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
}

/* ---- 重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--clr-bg);
  color: var(--clr-white);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- 容器 ---- */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }

/* ---- 标题 ---- */
.sec-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--clr-white);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.sec-title span { color: var(--clr-red); }
.sec-sub {
  font-size: 1rem;
  color: var(--clr-muted);
  margin-top: 10px;
}
.sec-head { margin-bottom: 44px; }
.sec-head .line {
  width: 48px; height: 4px;
  background: linear-gradient(90deg, var(--clr-red), var(--clr-gold));
  border-radius: 2px;
  margin-top: 14px;
}

/* ---- 按钮 ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: var(--trans);
  white-space: nowrap;
}
.btn-red {
  background: linear-gradient(135deg, var(--clr-red), #FF6B35);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,45,75,0.4);
}
.btn-red:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(255,45,75,0.5); }
.btn-outline {
  border: 2px solid var(--clr-red);
  color: var(--clr-red);
}
.btn-outline:hover { background: var(--clr-red); color: #fff; }
.btn-gold {
  background: linear-gradient(135deg, var(--clr-gold), #E8C060);
  color: #0A0A0F;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(212,168,67,0.4); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* =====================================================
   顶部公告条
   ===================================================== */
.sqzqsbei {
  background: linear-gradient(90deg, var(--clr-red), #FF6B35, var(--clr-red));
  background-size: 200% 100%;
  animation: stripMove 4s linear infinite;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  padding: 7px 0;
  letter-spacing: 0.05em;
}
@keyframes stripMove { 0%{background-position:0%} 100%{background-position:200%} }

/* =====================================================
   顶部导航
   ===================================================== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
}
.header-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 68px;
}
.site-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.logo-img {
  width: 40px; height: 40px;
  border-radius: 10px;
  object-fit: cover;
}
.logo-txt {
  font-size: 1.3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--clr-red), var(--clr-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-silver);
  transition: var(--trans);
}
.nav-link:hover, .nav-link.active {
  color: var(--clr-white);
  background: rgba(255,45,75,0.12);
}
.bq8c96y {
  display: inline-block;
  background: var(--clr-red);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 4px;
  vertical-align: middle;
}
.header-right { display: flex; align-items: center; gap: 10px; }
.rrfgi {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,45,75,0.15);
  border: 1px solid var(--clr-red);
  color: var(--clr-red);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 700;
  transition: var(--trans);
}
.rrfgi:hover { background: var(--clr-red); color: #fff; }
.ifip2rjh {
  width: 7px; height: 7px;
  background: var(--clr-red);
  border-radius: 50%;
  animation: livePulse 1.2s ease-in-out infinite;
}
@keyframes livePulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(1.5)} }
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: var(--trans);
}

/* =====================================================
   搜索栏
   ===================================================== */
.h5l8r0b {
  background: var(--clr-bg2);
  border-bottom: 1px solid var(--clr-border);
  padding: 12px 0;
}
.z91h0wpt {
  display: flex; align-items: center; gap: 12px;
  max-width: 700px; margin: 0 auto;
}
.m39hf {
  flex: 1; display: flex; align-items: center;
  background: var(--clr-bg3);
  border: 1.5px solid var(--clr-border);
  border-radius: 50px;
  padding: 0 6px 0 18px;
  transition: var(--trans);
}
.m39hf:focus-within { border-color: var(--clr-red); }
.m39hf input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--clr-white);
  font-size: 0.9rem;
  padding: 9px 0;
  font-family: inherit;
}
.m39hf input::placeholder { color: var(--clr-muted); }
.wc8gaty {
  background: var(--clr-red);
  color: #fff;
  border-radius: 50px;
  padding: 7px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--trans);
}
.wc8gaty:hover { background: var(--clr-red2); }
.ct46ve { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ct46ve span { font-size: 0.78rem; color: var(--clr-muted); }
.zpxswoh {
  font-size: 0.78rem;
  color: var(--clr-silver);
  background: var(--clr-bg3);
  border: 1px solid var(--clr-border);
  padding: 3px 10px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--trans);
}
.zpxswoh:hover { border-color: var(--clr-red); color: var(--clr-red); }

/* =====================================================
   移动端导航
   ===================================================== */
.xyg6ob {
  display: none;
  position: fixed; top: 0; right: -280px;
  width: 280px; height: 100vh;
  background: var(--clr-bg2);
  border-left: 1px solid var(--clr-border);
  z-index: 2000;
  transition: right 0.3s ease;
  padding: 20px;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}
.xyg6ob.open { right: 0; }
.xyg6ob-close {
  align-self: flex-end;
  font-size: 1.5rem;
  color: var(--clr-muted);
  margin-bottom: 16px;
  line-height: 1;
}
.xyg6ob-link {
  display: block;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--clr-silver);
  font-weight: 600;
  transition: var(--trans);
}
.xyg6ob-link:hover { background: rgba(255,45,75,0.1); color: var(--clr-red); }
.ccj2bf4d {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1999;
}
.ccj2bf4d.open { display: block; }

/* =====================================================
   Hero 区域
   ===================================================== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--clr-bg);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/banner_hero.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.35);
}
.az9niwlb {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,45,75,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,45,75,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.j4i8sw6p {
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,45,75,0.2) 0%, transparent 70%);
  top: -100px; left: -100px;
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 680px;
}
.qltql {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,45,75,0.15);
  border: 1px solid rgba(255,45,75,0.4);
  color: var(--clr-red);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.hero h1 .brand { color: var(--clr-red); }
.hero h1 .accent { color: var(--clr-gold); }
.hero-desc {
  font-size: 1.05rem;
  color: var(--clr-silver);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats {
  display: flex; gap: 32px; flex-wrap: wrap;
}
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--clr-red);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--clr-muted);
  margin-top: 4px;
}

/* =====================================================
   弹幕条
   ===================================================== */
.l78pfz {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 10px 0;
  overflow: hidden;
}
.uaxw9qy {
  display: flex; gap: 32px;
  animation: danmuScroll 28s linear infinite;
  white-space: nowrap;
}
.uaxw9qy:hover { animation-play-state: paused; }
.cwtfcvs {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem;
  color: var(--clr-muted);
  flex-shrink: 0;
}
.cwtfcvs .dot {
  width: 6px; height: 6px;
  background: var(--clr-red);
  border-radius: 50%;
}
@keyframes danmuScroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* =====================================================
   分类导航
   ===================================================== */
.cat-nav {
  background: var(--clr-bg2);
  border-bottom: 1px solid var(--clr-border);
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-nav::-webkit-scrollbar { display: none; }
.cat-nav-inner {
  display: flex; align-items: center;
  gap: 4px;
  padding: 12px 0;
  min-width: max-content;
}
.cat-item {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--clr-muted);
  cursor: pointer;
  transition: var(--trans);
  white-space: nowrap;
}
.cat-item:hover, .cat-item.active {
  background: rgba(255,45,75,0.12);
  color: var(--clr-red);
}
.cat-item .icon { font-size: 1.1rem; }

/* =====================================================
   视频卡片
   ===================================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--clr-bg2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: var(--trans);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,45,75,0.4);
  box-shadow: var(--shadow-lg);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--clr-bg3);
}
.video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
/* H5 video 预览 */
.video-preview {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}
.video-card:hover .video-preview { opacity: 1; }
/* 播放按钮 */
.play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 52px; height: 52px;
  background: rgba(255,45,75,0.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: var(--trans);
  z-index: 2;
}
.play-btn svg { width: 20px; height: 20px; fill: #fff; margin-left: 3px; }
.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.video-duration {
  position: absolute;
  bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  z-index: 3;
}
.b9vcpu {
  position: absolute;
  top: 8px; left: 8px;
  background: var(--clr-red);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  z-index: 3;
  letter-spacing: 0.05em;
}
.video-info { padding: 14px 16px; }
.video-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.78rem;
  color: var(--clr-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-stats {
  display: flex; gap: 12px;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--clr-muted);
}

/* =====================================================
   影视传媒模块
   ===================================================== */
.media-section { background: var(--clr-bg2); }
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.media-card {
  background: var(--clr-bg3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: var(--trans);
}
.media-card:hover {
  transform: translateY(-3px);
  border-color: rgba(212,168,67,0.4);
  box-shadow: 0 8px 32px rgba(212,168,67,0.15);
}
.media-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.media-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.media-card:hover .media-card-img img { transform: scale(1.05); }
.media-card-body { padding: 16px; }
.media-tag {
  display: inline-block;
  background: rgba(212,168,67,0.15);
  color: var(--clr-gold);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.media-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--clr-white);
}
.media-card-desc {
  font-size: 0.82rem;
  color: var(--clr-muted);
  line-height: 1.5;
}
.media-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  border-top: 1px solid var(--clr-border);
  font-size: 0.78rem;
  color: var(--clr-muted);
}

/* =====================================================
   AI赋能区
   ===================================================== */
.e7vjgtq {
  background: linear-gradient(135deg, #0D0D18 0%, #12121F 50%, #0A0A15 100%);
  position: relative;
  overflow: hidden;
}
.e7vjgtq::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(255,45,75,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(212,168,67,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.ohzmexea {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  position: relative; z-index: 1;
}
.xsu35yo {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,45,75,0.2);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--trans);
}
.xsu35yo:hover {
  background: rgba(255,45,75,0.08);
  border-color: rgba(255,45,75,0.5);
  transform: translateY(-4px);
}
.n0osgz {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--clr-red), #FF6B35);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.xsu35yo h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--clr-white);
}
.xsu35yo p {
  font-size: 0.85rem;
  color: var(--clr-muted);
  line-height: 1.6;
}

/* =====================================================
   专家团队
   ===================================================== */
.rnzmdvjw {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.h25sa {
  background: var(--clr-bg2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--trans);
}
.h25sa:hover {
  border-color: rgba(255,45,75,0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.tvmkt0 {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--clr-red);
}
.expert-name {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 4px;
}
.expert-role {
  font-size: 0.8rem;
  color: var(--clr-red);
  font-weight: 600;
  margin-bottom: 10px;
}
.expert-desc {
  font-size: 0.82rem;
  color: var(--clr-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}
.v28u3 {
  display: flex; flex-wrap: wrap; gap: 6px;
  justify-content: center;
  margin-bottom: 16px;
}
.lv8y6 {
  font-size: 0.7rem;
  background: rgba(212,168,67,0.12);
  color: var(--clr-gold);
  border: 1px solid rgba(212,168,67,0.3);
  padding: 2px 8px;
  border-radius: 4px;
}
.x2pfw { display: flex; gap: 8px; justify-content: center; }

/* =====================================================
   社区功能
   ===================================================== */
.y3cc3rhk {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.l5gy14 {
  background: var(--clr-bg2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: var(--trans);
  cursor: pointer;
}
.l5gy14:hover {
  border-color: rgba(255,45,75,0.4);
  background: rgba(255,45,75,0.05);
  transform: translateY(-3px);
}
.dbm2014y {
  font-size: 2.2rem;
  margin-bottom: 12px;
  display: block;
}
.l5gy14 h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.l5gy14 p {
  font-size: 0.8rem;
  color: var(--clr-muted);
  line-height: 1.5;
}
.jq0zfao {
  display: flex; gap: 12px;
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--clr-muted);
}

/* =====================================================
   加入步骤
   ===================================================== */
.cqpbb { background: var(--clr-bg2); }
.pt027xn {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  position: relative;
}
.vg1tkrb {
  background: var(--clr-bg3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  position: relative;
  transition: var(--trans);
}
.vg1tkrb:hover { border-color: rgba(255,45,75,0.4); }
.e8tioku7 {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(255,45,75,0.15);
  line-height: 1;
  margin-bottom: 12px;
  font-family: 'Arial Black', sans-serif;
}
.zwuidh {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--clr-white);
}
.v578yf {
  font-size: 0.83rem;
  color: var(--clr-muted);
  line-height: 1.6;
}

/* =====================================================
   用户评价
   ===================================================== */
.fd0ssbk {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.ac57v {
  background: var(--clr-bg2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--trans);
}
.ac57v:hover { border-color: rgba(255,45,75,0.3); }
.yp1l6s0 { color: var(--clr-gold); font-size: 1rem; margin-bottom: 12px; }
.review-text {
  font-size: 0.88rem;
  color: var(--clr-silver);
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}
.zj0ui { display: flex; align-items: center; gap: 12px; }
.kk3alzvz {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-red), var(--clr-gold));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.xixzpqof { font-size: 0.88rem; font-weight: 700; }
.mjqbgd { font-size: 0.75rem; color: var(--clr-muted); }

/* =====================================================
   FAQ
   ===================================================== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--clr-bg2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  transition: var(--trans);
}
.faq-item.open { border-color: rgba(255,45,75,0.4); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--clr-white);
  gap: 12px;
}
.faq-arrow {
  width: 24px; height: 24px;
  border: 2px solid var(--clr-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: var(--trans);
  font-size: 0.75rem;
  color: var(--clr-muted);
}
.faq-item.open .faq-arrow {
  background: var(--clr-red);
  border-color: var(--clr-red);
  color: #fff;
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.88rem;
  color: var(--clr-muted);
  line-height: 1.7;
  padding: 0 22px;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* =====================================================
   合作品牌
   ===================================================== */
.bo5b2 { background: var(--clr-bg2); }
.l0exmfwn {
  display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: center;
}
.i8zrb {
  background: var(--clr-bg3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 14px 24px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--clr-muted);
  transition: var(--trans);
  white-space: nowrap;
}
.i8zrb:hover { border-color: var(--clr-red); color: var(--clr-white); }

/* =====================================================
   联系 / 二维码
   ===================================================== */
.contact-section { background: var(--clr-bg3); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-list { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 16px;
  background: var(--clr-bg2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
}
.contact-icon {
  width: 40px; height: 40px;
  background: rgba(255,45,75,0.12);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-label { font-size: 0.78rem; color: var(--clr-muted); margin-bottom: 2px; }
.contact-val { font-size: 0.92rem; font-weight: 700; color: var(--clr-white); }
.nv7l1 { display: flex; gap: 24px; flex-wrap: wrap; }
.vmcb6 { text-align: center; }
.wv4mg {
  width: 120px; height: 120px;
  background: #fff;
  border-radius: var(--radius);
  padding: 8px;
  margin-bottom: 8px;
}
.gakucu38 { font-size: 0.8rem; color: var(--clr-muted); }

/* =====================================================
   分享栏
   ===================================================== */
.s5lbx {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 20px 0;
}
.gmymf {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.b674348 { font-size: 0.88rem; color: var(--clr-muted); font-weight: 600; }
.oxup9x { display: flex; gap: 10px; flex-wrap: wrap; }
.oqjv1g4 {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--clr-border);
  color: var(--clr-silver);
  transition: var(--trans);
  cursor: pointer;
}
.oqjv1g4:hover { border-color: var(--clr-red); color: var(--clr-red); }
.o3hs6am:hover { border-color: #07C160; color: #07C160; }
.ykxe059y:hover { border-color: #E6162D; color: #E6162D; }
.tkzlc9w:hover { border-color: #FE2C55; color: #FE2C55; }
.nj2lwmsw:hover { border-color: #00A1D6; color: #00A1D6; }

/* =====================================================
   标签云
   ===================================================== */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  font-size: 0.8rem;
  padding: 5px 14px;
  border-radius: 50px;
  border: 1px solid var(--clr-border);
  color: var(--clr-muted);
  transition: var(--trans);
  cursor: pointer;
}
.tag-item:hover { border-color: var(--clr-red); color: var(--clr-red); }
.tag-red { border-color: rgba(255,45,75,0.4); color: var(--clr-red); }
.tag-gold { border-color: rgba(212,168,67,0.4); color: var(--clr-gold); }

/* =====================================================
   数据统计条
   ===================================================== */
.tl912b {
  background: linear-gradient(90deg, var(--clr-bg2), var(--clr-bg3), var(--clr-bg2));
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 28px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--clr-red);
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-top: 6px;
}

/* =====================================================
   面包屑
   ===================================================== */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem;
  color: var(--clr-muted);
  padding: 14px 0;
}
.breadcrumb a { color: var(--clr-muted); transition: var(--trans); }
.breadcrumb a:hover { color: var(--clr-red); }
.breadcrumb .sep { color: var(--clr-border); }
.breadcrumb .current { color: var(--clr-white); }

/* =====================================================
   内页 Hero
   ===================================================== */
.page-hero {
  background: linear-gradient(135deg, var(--clr-bg2) 0%, var(--clr-bg3) 100%);
  border-bottom: 1px solid var(--clr-border);
  padding: 48px 0 36px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: -100px; top: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,45,75,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 900;
  margin-bottom: 10px;
}
.page-hero p {
  font-size: 1rem;
  color: var(--clr-muted);
  max-width: 560px;
}

/* =====================================================
   页脚
   ===================================================== */
.site-footer {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo-img { width: 36px; height: 36px; border-radius: 8px; object-fit: cover; }
.footer-logo-txt {
  font-size: 1.1rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--clr-red), var(--clr-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-desc {
  font-size: 0.85rem;
  color: var(--clr-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-col h5 {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--clr-white);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.83rem;
  color: var(--clr-muted);
  transition: var(--trans);
}
.footer-links a:hover { color: var(--clr-red); }
.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding: 18px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
  font-size: 0.8rem;
  color: var(--clr-muted);
}
.fv7af { color: var(--clr-muted); }
.fv7af span { color: var(--clr-red); font-weight: 700; }

/* =====================================================
   回到顶部
   ===================================================== */
#shje8p {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  background: var(--clr-red);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  z-index: 999;
  opacity: 0; pointer-events: none;
  transition: var(--trans);
  box-shadow: 0 4px 16px rgba(255,45,75,0.4);
}
#shje8p.show { opacity: 1; pointer-events: auto; }
#shje8p:hover { transform: translateY(-3px); }

/* =====================================================
   Toast 提示
   ===================================================== */
.rnl3p6 {
  position: fixed;
  bottom: 80px; right: 28px;
  background: var(--clr-bg2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-size: 0.88rem;
  color: var(--clr-white);
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--trans);
  pointer-events: none;
  max-width: 280px;
}
.rnl3p6.show { opacity: 1; transform: translateY(0); }

/* =====================================================
   响应式
   ===================================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .xyg6ob { display: flex; }
  .hero { min-height: 440px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-stats { gap: 20px; }
  .hero-actions { gap: 10px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .rnzmdvjw { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .ct46ve { display: none; }
  .header-right .btn { display: none; }
  .section { padding: 48px 0; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .rnzmdvjw { grid-template-columns: 1fr; }
  .y3cc3rhk { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 16px; }
  .hero-stat-num { font-size: 1.4rem; }
  /* 移动端触屏始终显示播放按钮 */
  @media (hover: none) {
    .play-btn { opacity: 1; transform: translate(-50%, -50%) scale(0.9); }
    .video-preview { display: none; }
  }
}