/* ===================================================
   青柠视频社区 - 主样式表
   品牌色: 橙色 #FF6B00 / 深色 #0D0D0D / 白色 #FFFFFF
   辅助色: 灰色 #1A1A1A / 浅灰 #F5F5F5 / 橙红 #E85D00
   =================================================== */

/* ---- 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', 'Helvetica Neue', Arial, sans-serif;
  background: #0D0D0D;
  color: #FFFFFF;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: #FF6B00; text-decoration: none; transition: color 0.3s; }
a:hover { color: #E85D00; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; outline: none; }

/* ---- 通用容器 ---- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-dark { background: #0D0D0D; }
.section-gray { background: #111111; }
.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #FFFFFF;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.section-title span { color: #FF6B00; }
.section-subtitle {
  text-align: center;
  color: #999;
  font-size: 1rem;
  margin-bottom: 50px;
}
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s;
  letter-spacing: 0.05em;
}
.btn-primary {
  background: #FF6B00;
  color: #FFFFFF;
}
.btn-primary:hover {
  background: #E85D00;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,0,0.4);
}
.btn-outline {
  border: 2px solid #FF6B00;
  color: #FF6B00;
  background: transparent;
}
.btn-outline:hover {
  background: #FF6B00;
  color: #FFFFFF;
}
.tag {
  display: inline-block;
  background: rgba(255,107,0,0.15);
  color: #FF6B00;
  border: 1px solid rgba(255,107,0,0.3);
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ---- 顶部公告栏 ---- */
.top-bar {
  background: #FF6B00;
  color: #FFFFFF;
  text-align: center;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
}
.top-bar a { color: #FFFFFF; text-decoration: underline; }

/* ---- 导航栏 ---- */
.header {
  background: rgba(13,13,13,0.97);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255,107,0,0.2);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  max-width: 1280px;
  margin: 0 auto;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-img { width: 48px; height: 48px; object-fit: contain; }
.logo-text {
  font-size: 1.6rem;
  font-weight: 900;
  color: #FF6B00;
  letter-spacing: 0.05em;
  line-height: 1;
}
.logo-text small {
  display: block;
  font-size: 0.65rem;
  color: #999;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  color: #CCCCCC;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 4px;
  transition: all 0.3s;
  white-space: nowrap;
}
.nav a:hover, .nav a.active {
  color: #FF6B00;
  background: rgba(255,107,0,0.1);
}
.nav-cta {
  background: #FF6B00 !important;
  color: #FFFFFF !important;
  padding: 8px 18px !important;
  border-radius: 4px !important;
}
.nav-cta:hover { background: #E85D00 !important; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #FFFFFF;
  transition: all 0.3s;
}

/* ---- 搜索栏 ---- */
.search-bar-wrap {
  background: #111111;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 12px 20px;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-bar-inner form {
  display: flex;
  flex: 1;
  max-width: 600px;
  gap: 0;
  border: 1.5px solid rgba(255,107,0,0.4);
  border-radius: 6px;
  overflow: hidden;
}
.search-bar-inner input {
  flex: 1;
  background: #1A1A1A;
  border: none;
  color: #FFFFFF;
  padding: 10px 16px;
  font-size: 0.9rem;
  outline: none;
}
.search-bar-inner input::placeholder { color: #666; }
.search-bar-inner button {
  background: #FF6B00;
  color: #FFFFFF;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.3s;
}
.search-bar-inner button:hover { background: #E85D00; }
.search-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.search-tags a {
  font-size: 0.8rem;
  color: #888;
  padding: 3px 10px;
  border: 1px solid #333;
  border-radius: 20px;
  transition: all 0.3s;
}
.search-tags a:hover { color: #FF6B00; border-color: #FF6B00; }

/* ---- 面包屑 ---- */
.breadcrumb {
  padding: 12px 0;
  font-size: 0.85rem;
  color: #888;
}
.breadcrumb a { color: #888; }
.breadcrumb a:hover { color: #FF6B00; }
.breadcrumb span { color: #FF6B00; }

/* ---- Banner / Hero ---- */
.hero {
  position: relative;
  height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  transform: scale(1.03);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.0); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,13,13,0.8) 0%, rgba(255,107,0,0.15) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}
.vtrmp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,107,0,0.2);
  border: 1px solid rgba(255,107,0,0.5);
  color: #FF6B00;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.08em;
}
.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.hero h1 em { color: #FF6B00; font-style: normal; }
.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 580px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.wgjajq08 {
  font-size: 2rem;
  font-weight: 900;
  color: #FF6B00;
  line-height: 1;
}
.kl4ritv { font-size: 0.82rem; color: #999; margin-top: 4px; }

/* ---- 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.video-card {
  background: #1A1A1A;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.06);
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #111;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.video-card:hover .video-thumb img { transform: scale(1.08); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: background 0.3s;
  opacity: 0;
}
.video-card:hover .play-btn {
  opacity: 1;
  background: rgba(0,0,0,0.45);
}
.play-btn-icon {
  width: 60px;
  height: 60px;
  background: rgba(255,107,0,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: transform 0.3s;
}
.video-card:hover .play-btn-icon { transform: scale(1); }
.play-btn-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #FFFFFF;
  margin-left: 4px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.8);
  color: #FFFFFF;
  font-size: 0.75rem;
  padding: 2px 7px;
  border-radius: 3px;
  font-weight: 600;
}
.video-info { padding: 16px; }
.video-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.vetvq8j {
  font-size: 0.75rem;
  color: #FF6B00;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.video-title {
  font-size: 0.98rem;
  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-stats {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: #888;
}
.video-stats span::before { margin-right: 4px; }
.worc2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.worc2-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF6B00, #E85D00);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #FFFFFF;
  flex-shrink: 0;
}
.worc2-name { font-size: 0.8rem; color: #999; }

/* ---- 特色视频大卡 ---- */
.ve7q2 {
  background: #1A1A1A;
  border-radius: 12px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid rgba(255,107,0,0.15);
}
.hq1dhju5 {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.hq1dhju5 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.ve7q2:hover .hq1dhju5 img { transform: scale(1.05); }
.lzfvh { padding: 32px; display: flex; flex-direction: column; justify-content: center; }
.lzfvh .tag { margin-bottom: 16px; }
.lzfvh h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 12px; }
.lzfvh p { color: #999; font-size: 0.92rem; margin-bottom: 20px; line-height: 1.8; }

/* ---- 统计数字 ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
  overflow: hidden;
}
.stat-item {
  background: #1A1A1A;
  padding: 40px 20px;
  text-align: center;
}
.stat-num {
  font-size: 2.8rem;
  font-weight: 900;
  color: #FF6B00;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 0.88rem; color: #999; }

/* ---- 专家卡片 ---- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.hfagh13d {
  background: #1A1A1A;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}
.hfagh13d:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}
.jmp341r {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
}
.qqqxcjn { padding: 20px; }
.fkbr3e4 { font-size: 1.1rem; font-weight: 800; margin-bottom: 4px; }
.l8aho5o { font-size: 0.82rem; color: #FF6B00; font-weight: 600; margin-bottom: 10px; }
.v7xtw3a { font-size: 0.85rem; color: #999; line-height: 1.7; margin-bottom: 16px; }
.tdncms { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tdncm {
  font-size: 0.72rem;
  background: rgba(255,107,0,0.1);
  color: #FF6B00;
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid rgba(255,107,0,0.2);
}
.kcczck5 { display: flex; gap: 10px; }
.kcczck5 a {
  flex: 1;
  text-align: center;
  padding: 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ---- 合作品牌 ---- */
.n1jf0 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.zai3h5 {
  background: #1A1A1A;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
  transition: all 0.3s;
}
.zai3h5:hover {
  border-color: rgba(255,107,0,0.4);
  background: rgba(255,107,0,0.05);
}
.zai3h5-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: #CCCCCC;
  margin-top: 8px;
}
.ga340i {
  font-size: 2rem;
  margin-bottom: 8px;
}

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #1A1A1A;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item.active { border-color: rgba(255,107,0,0.4); }
.faq-q {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: #FF6B00;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.active .faq-q::after { transform: rotate(45deg); }
.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  color: #999;
  font-size: 0.92rem;
  line-height: 1.8;
}
.faq-item.active .faq-a {
  max-height: 400px;
  padding: 0 24px 20px;
}

/* ---- 用户评论 ---- */
.rlws8lt {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.vafen0 {
  background: #1A1A1A;
  border-radius: 10px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.vafen0::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 4rem;
  color: rgba(255,107,0,0.15);
  font-family: Georgia, serif;
  line-height: 1;
}
.wa31fkk { color: #FF6B00; font-size: 0.9rem; margin-bottom: 12px; letter-spacing: 2px; }
.txq6zzig { color: #CCCCCC; font-size: 0.92rem; line-height: 1.8; margin-bottom: 16px; }
.ftruj3 { display: flex; align-items: center; gap: 12px; }
.sqhmoh3 {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF6B00, #E85D00);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #FFFFFF;
  flex-shrink: 0;
}
.secmjp6 { font-weight: 700; font-size: 0.92rem; }
.wk1ila4p { font-size: 0.78rem; color: #666; }

/* ---- 联系/门店 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-block { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #1A1A1A;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.06);
}
.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,107,0,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item-title { font-weight: 700; margin-bottom: 4px; font-size: 0.95rem; }
.contact-item-value { color: #999; font-size: 0.88rem; line-height: 1.7; }
.qr-row { display: flex; gap: 20px; }
.qr-block {
  background: #1A1A1A;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.06);
  flex: 1;
}
.qr-placeholder {
  width: 120px;
  height: 120px;
  background: #FFFFFF;
  border-radius: 8px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #333;
  padding: 8px;
  text-align: center;
}
.qr-label { font-size: 0.85rem; color: #999; }

/* ---- 社区入口 ---- */
.community-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.baby3vq1 {
  background: linear-gradient(135deg, #1A1A1A, #222222);
  border-radius: 12px;
  padding: 30px 24px;
  border: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  transition: all 0.3s;
}
.baby3vq1:hover {
  border-color: rgba(255,107,0,0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}
.dq3zb5h { font-size: 2.5rem; margin-bottom: 16px; }
.baby3vq1 h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 8px; }
.baby3vq1 p { font-size: 0.85rem; color: #999; line-height: 1.7; }

/* ---- AI赋能 ---- */
.rmsh1iu {
  background: linear-gradient(135deg, #0D0D0D 0%, #1A0A00 50%, #0D0D0D 100%);
}
.q4q83umu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.cxjpd2f { display: flex; flex-direction: column; gap: 20px; }
.lk20eg5a {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: rgba(255,107,0,0.05);
  border-radius: 8px;
  border: 1px solid rgba(255,107,0,0.1);
  transition: border-color 0.3s;
}
.lk20eg5a:hover { border-color: rgba(255,107,0,0.4); }
.c94p35 {
  width: 44px;
  height: 44px;
  background: rgba(255,107,0,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.i2beenu { font-weight: 700; margin-bottom: 4px; }
.sx86dhio { font-size: 0.85rem; color: #999; line-height: 1.7; }

/* ---- 分享按钮 ---- */
.bwqz0v6 {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0;
}
.ka0etwx { font-size: 0.88rem; color: #999; }
.r0tpb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}
.ryhrr5w { background: #07C160; color: #FFFFFF; }
.ixsfmyh5 { background: #E6162D; color: #FFFFFF; }
.lgwb2j9b { background: #010101; color: #FFFFFF; border: 1px solid #333; }
.yr5s1w { background: #00A1D6; color: #FFFFFF; }
.r0tpb:hover { opacity: 0.85; transform: translateY(-2px); }

/* ---- 页脚 ---- */
.footer {
  background: #080808;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .logo-text { font-size: 1.8rem; margin-bottom: 12px; }
.footer-desc { font-size: 0.88rem; color: #888; line-height: 1.8; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px;
  height: 36px;
  background: #1A1A1A;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #999;
  transition: all 0.3s;
}
.footer-social a:hover { background: #FF6B00; border-color: #FF6B00; color: #FFFFFF; }
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #FFFFFF;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: 0.85rem; color: #888; transition: color 0.3s; }
.footer-col ul li a:hover { color: #FF6B00; }
.footer-bottom {
  padding: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: #666;
}
.footer-bottom a { color: #888; }
.footer-bottom a:hover { color: #FF6B00; }

/* ---- 视频播放弹窗 ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-content {
  background: #1A1A1A;
  border-radius: 12px;
  overflow: hidden;
  max-width: 900px;
  width: 90%;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: rgba(0,0,0,0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 10;
  border: none;
}
.modal-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 0.9rem;
}

/* ---- 页面内页 Banner ---- */
.page-banner {
  background: linear-gradient(135deg, #1A0A00, #0D0D0D);
  padding: 60px 0;
  border-bottom: 1px solid rgba(255,107,0,0.15);
}
.page-banner h1 { font-size: 2.4rem; font-weight: 900; margin-bottom: 10px; }
.page-banner h1 span { color: #FF6B00; }
.page-banner p { color: #999; font-size: 1rem; }

/* ---- 标签筛选 ---- */
.filter-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.filter-tab {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid rgba(255,255,255,0.1);
  color: #999;
  background: transparent;
  transition: all 0.3s;
}
.filter-tab:hover, .filter-tab.active {
  background: #FF6B00;
  border-color: #FF6B00;
  color: #FFFFFF;
}

/* ---- 配件卡片 ---- */
.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.part-card {
  background: #1A1A1A;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  transition: all 0.3s;
}
.part-card:hover {
  border-color: rgba(255,107,0,0.3);
  transform: translateY(-4px);
}
.part-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.part-info { padding: 16px; }
.part-name { font-weight: 700; margin-bottom: 6px; }
.part-brand { font-size: 0.8rem; color: #FF6B00; margin-bottom: 8px; }
.part-price { font-size: 1.1rem; font-weight: 900; color: #FF6B00; }
.part-price small { font-size: 0.75rem; font-weight: 400; color: #999; margin-left: 4px; }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.4rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .q4q83umu { grid-template-columns: 1fr; }
  .ve7q2 { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero { height: 500px; }
  .hero h1 { font-size: 1.9rem; }
  .hero-stats { gap: 20px; }
  .wgjajq08 { font-size: 1.5rem; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: #0D0D0D;
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    z-index: 999;
  }
  .hamburger { display: flex; }
  .section { padding: 50px 0; }
  .section-title { font-size: 1.7rem; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
  .qr-row { flex-direction: column; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.5rem; }
  .hero-btns { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .expert-grid { grid-template-columns: 1fr; }
  .n1jf0 { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: 1fr 1fr; }
}

/* ---- 懒加载占位 ---- */
img[data-src] { opacity: 0; transition: opacity 0.5s; }
img.loaded { opacity: 1; }

/* ---- 滚动动画 ---- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---- 视频标签 ---- */
.hur20m { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.eafl12 {
  font-size: 0.72rem;
  background: rgba(255,255,255,0.06);
  color: #999;
  padding: 2px 8px;
  border-radius: 3px;
}

/* ---- 加入社区 How-To ---- */
.t5lb6s {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.t5lb6 {
  text-align: center;
  padding: 30px 20px;
  background: #1A1A1A;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.t5lb6::after {
  content: '→';
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  color: #FF6B00;
  font-size: 1.2rem;
}
.t5lb6:last-child::after { display: none; }
.sulz4bdf {
  width: 48px;
  height: 48px;
  background: #FF6B00;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: #FFFFFF;
  margin: 0 auto 16px;
}
.t5lb6 h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.t5lb6 p { font-size: 0.82rem; color: #999; line-height: 1.7; }

@media (max-width: 768px) {
  .t5lb6s { grid-template-columns: repeat(2, 1fr); }
  .t5lb6::after { display: none; }
}
@media (max-width: 480px) {
  .t5lb6s { grid-template-columns: 1fr; }
}

/* ---- 用户评论网格 ---- */
.rlws8lt {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.vafen0 {
  background: #1A1A1A;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: all 0.3s;
}
.vafen0:hover { border-color: rgba(255,107,0,0.25); transform: translateY(-3px); }
.wa31fkk { color: #FF6B00; font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }
.txq6zzig {
  font-size: 0.88rem;
  color: #bbb;
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}
.ftruj3 { display: flex; align-items: center; gap: 10px; }
.sqhmoh3 {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #FF6B00, #E85D00);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.secmjp6 { font-size: 0.85rem; font-weight: 700; color: #fff; }
.wk1ila4p { font-size: 0.75rem; color: #666; margin-top: 2px; }

/* ---- 联系区块 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info-block { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.contact-item-title { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.contact-item-value { font-size: 0.85rem; color: #999; line-height: 1.7; }

/* ---- 二维码 ---- */
.qr-row { display: flex; gap: 20px; }
.qr-block { text-align: center; flex: 1; }
.qr-placeholder {
  background: #fff;
  border-radius: 8px;
  padding: 12px;
  display: inline-block;
  margin-bottom: 10px;
}
.qr-label { font-size: 0.8rem; color: #888; line-height: 1.5; }
.qr-label strong { color: #FF6B00; }

/* ---- 分享栏 ---- */
.bwqz0v6 { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ka0etwx { font-size: 0.85rem; color: #888; }
.r0tpb {
  background: #1A1A1A;
  border: 1px solid rgba(255,255,255,0.1);
  color: #ccc;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
}
.r0tpb:hover { border-color: #FF6B00; color: #FF6B00; }

/* ---- 信任徽章 ---- */
.qlg1e {
  background: rgba(255,107,0,0.08);
  border: 1px solid rgba(255,107,0,0.18);
  color: #FF6B00;
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 4px;
}
.footer-trust { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* ---- 内页Banner ---- */
.page-banner {
  background: linear-gradient(135deg, #0D0D0D 0%, #1a0a00 100%);
  border-bottom: 1px solid rgba(255,107,0,0.15);
  padding: 60px 0 40px;
}
.page-banner h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  margin: 12px 0 8px;
}
.page-banner h1 span { color: #FF6B00; }
.page-banner p { color: #888; font-size: 0.95rem; }

/* ---- 合作品牌墙 ---- */
.n1jf0 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.zai3h5 {
  background: #1A1A1A;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s;
}
.zai3h5:hover { border-color: rgba(255,107,0,0.3); transform: translateY(-3px); }
.ga340i { font-size: 1.8rem; margin-bottom: 8px; }
.zai3h5-name { font-size: 0.85rem; font-weight: 700; color: #ccc; }

/* ---- 话题卡片 ---- */
.qb5i9m8 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.plr36l {
  background: #1A1A1A;
  border-radius: 12px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: all 0.3s;
  cursor: pointer;
}
.plr36l:hover { border-color: rgba(255,107,0,0.3); transform: translateY(-3px); }
.fq2mk { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.cect774 {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #FF6B00, #E85D00);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.sx8ame5 { font-size: 0.85rem; font-weight: 700; color: #fff; }
.ed5cn25 { font-size: 0.72rem; color: #666; margin-top: 2px; }
.vm4iikt { font-size: 0.92rem; font-weight: 700; color: #e8e8e8; margin-bottom: 8px; line-height: 1.4; }
.c44nysyv { font-size: 0.82rem; color: #999; line-height: 1.6; margin-bottom: 12px; }
.hg8rovai { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
.h863zic {
  background: rgba(255,107,0,0.08);
  color: #FF6B00;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 3px;
}
.lkd6u { display: flex; gap: 12px; font-size: 0.75rem; color: #666; }

/* ---- 关于页面 ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-text h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; }
.about-text h2 span { color: #FF6B00; }
.about-text p { color: #aaa; font-size: 0.92rem; line-height: 1.8; margin-bottom: 16px; }
.about-milestones { display: flex; flex-direction: column; gap: 16px; }
.milestone {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  background: #1A1A1A;
  border-radius: 8px;
  border-left: 3px solid #FF6B00;
}
.milestone-year { font-size: 1.1rem; font-weight: 900; color: #FF6B00; flex-shrink: 0; min-width: 50px; }
.milestone-text { font-size: 0.85rem; color: #999; line-height: 1.6; }

/* ---- 联系表单 ---- */
.contact-form {
  background: #1A1A1A;
  border-radius: 12px;
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.06);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: #ccc; margin-bottom: 6px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: #111;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  color: #fff;
  padding: 10px 14px;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: #FF6B00; }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ---- 视频页侧边栏 ---- */
.video-page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}
.video-sidebar { display: flex; flex-direction: column; gap: 16px; }
.sidebar-card {
  background: #1A1A1A;
  border-radius: 10px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.06);
}
.sidebar-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #FF6B00;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,107,0,0.15);
}
.sidebar-video-item { display: flex; gap: 10px; margin-bottom: 12px; cursor: pointer; }
.sidebar-video-item:last-child { margin-bottom: 0; }
.sidebar-video-thumb {
  width: 80px;
  height: 50px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  background: #111;
}
.sidebar-video-thumb img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-video-info { flex: 1; }
.sidebar-video-title {
  font-size: 0.78rem;
  color: #ccc;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}
.sidebar-video-meta { font-size: 0.7rem; color: #666; }

/* ---- 配件图片容器 ---- */
.part-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #111;
}
.part-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.part-card:hover .part-img img { transform: scale(1.06); }
.part-desc { font-size: 0.8rem; color: #999; line-height: 1.6; margin-bottom: 10px; }
.part-badge {
  display: inline-block;
  background: rgba(255,107,0,0.1);
  color: #FF6B00;
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 3px;
  margin-bottom: 8px;
}

/* ---- 响应式补充 ---- */
@media (max-width: 1024px) {
  .n1jf0 { grid-template-columns: repeat(4, 1fr); }
  .video-page-layout { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .rlws8lt { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .n1jf0 { grid-template-columns: repeat(2, 1fr); }
  .qb5i9m8 { grid-template-columns: 1fr; }
  .qr-row { flex-direction: column; }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .rlws8lt { grid-template-columns: 1fr; }
  .parts-grid { grid-template-columns: 1fr; }
  .n1jf0 { grid-template-columns: repeat(2, 1fr); }
}