/* ============================================================
   黄色仓库 - 全站主样式
   品牌色：橙色 #FF6B00 / 深色背景 #0d1117 / 钢铁灰 #1e2530
   ============================================================ */

/* ---------- CSS变量 ---------- */
:root {
  --orange:      #FF6B00;
  --orange-lt:   #FF9500;
  --orange-dk:   #CC5500;
  --dark:        #0d1117;
  --dark2:       #161b22;
  --dark3:       #1e2530;
  --steel:       #2d3748;
  --text:        #e2e8f0;
  --text-muted:  #8b9ab0;
  --border:      #2d3748;
  --white:       #ffffff;
  --radius:      8px;
  --radius-lg:   14px;
  --shadow:      0 4px 20px rgba(0,0,0,0.4);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.3);
  --trans:       all 0.3s ease;
}

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

/* ---------- 工具类 ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 70px 0; }
.section-alt { background: var(--dark2); }
.text-center { text-align: center; }
.text-orange { color: var(--orange); }
.badge {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.tag {
  display: inline-block;
  background: rgba(255,107,0,0.12);
  color: var(--orange);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255,107,0,0.3);
  margin: 2px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: var(--trans);
}
.btn-primary {
  background: var(--orange);
  color: #fff;
}
.btn-primary:hover {
  background: var(--orange-lt);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,0,0.4);
}
.btn-outline {
  background: transparent;
  color: var(--orange);
  border: 1.5px solid var(--orange);
}
.btn-outline:hover {
  background: var(--orange);
  color: #fff;
  transform: translateY(-2px);
}
.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  display: inline-block;
  color: var(--orange);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.3;
}
.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- 顶部公告栏 ---------- */
.fmlcud {
  background: var(--orange);
  color: #fff;
  font-size: 13px;
  padding: 7px 0;
  text-align: center;
  font-weight: 500;
}
.fmlcud a { color: #fff; text-decoration: underline; }

/* ---------- 导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,17,23,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img { height: 40px; width: auto; }
.logo-favicon { height: 28px; width: 28px; border-radius: 6px; }
.logo-text {
  font-size: 22px;
  font-weight: 900;
  color: var(--orange);
  letter-spacing: -0.5px;
}
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: var(--trans);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--orange);
  background: rgba(255,107,0,0.1);
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-search-form {
  display: flex;
  align-items: center;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--trans);
}
.header-search-form:focus-within { border-color: var(--orange); }
.header-search-form input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 13px;
  padding: 6px 14px;
  width: 160px;
}
.header-search-form button {
  background: var(--orange);
  color: #fff;
  border: none;
  padding: 6px 12px;
  font-size: 14px;
  cursor: pointer;
}
.menu-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  font-size: 22px;
  padding: 4px;
}

/* ---------- 搜索栏（导航下方） ---------- */
.search-bar-section {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.search-bar-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}
.search-bar-inner .search-icon { color: var(--orange); font-size: 18px; }
.search-bar-main {
  flex: 1;
  display: flex;
  background: var(--dark3);
  border: 1.5px solid var(--border);
  border-radius: 25px;
  overflow: hidden;
  transition: var(--trans);
}
.search-bar-main:focus-within { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,107,0,0.15); }
.search-bar-main input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 14px;
  padding: 9px 18px;
}
.search-bar-main input::placeholder { color: var(--text-muted); }
.search-bar-main button {
  background: var(--orange);
  color: #fff;
  border: none;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--trans);
}
.search-bar-main button:hover { background: var(--orange-lt); }
.search-hot { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.search-hot span { font-size: 12px; color: var(--text-muted); }
.search-hot a {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--dark3);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.search-hot a:hover { color: var(--orange); border-color: var(--orange); }

/* ---------- Hero Banner ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
  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(13,17,23,0.85) 0%, rgba(255,107,0,0.1) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 60px 20px;
}
.jibww80 {
  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(--orange);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(32px, 6vw, 58px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 18px;
}
.hero-title .highlight { color: var(--orange); }
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  max-width: 560px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stat-item { text-align: left; }
.hero-stat-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
}
.hero-stat-label { font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ---------- 视频卡片 ---------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--trans);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(255,107,0,0.2);
  border-color: var(--orange);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--dark3);
}
.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); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: var(--trans);
}
.video-card:hover .video-play-btn { background: rgba(0,0,0,0.45); }
.play-icon {
  width: 54px;
  height: 54px;
  background: var(--orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.7);
  transition: var(--trans);
  box-shadow: 0 0 30px rgba(255,107,0,0.6);
}
.play-icon::after {
  content: '';
  border-left: 18px solid #fff;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  margin-left: 4px;
}
.video-card:hover .play-icon { opacity: 1; transform: scale(1); }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
}
.f9och {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--orange);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.video-info { padding: 14px; }
.video-tags { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 8px; }
.q594vym {
  font-size: 11px;
  color: var(--orange);
  background: rgba(255,107,0,0.1);
  padding: 2px 8px;
  border-radius: 10px;
}
.video-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}
.video-stats { display: flex; gap: 12px; }
.video-stat { display: flex; align-items: center; gap: 3px; }

/* ---------- 专家卡片 ---------- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--trans);
  text-align: center;
}
.expert-card:hover { transform: translateY(-4px); border-color: var(--orange); box-shadow: var(--shadow); }
.expert-photo {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  object-position: top;
}
.expert-body { padding: 18px; }
.expert-name { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.expert-role { font-size: 12px; color: var(--orange); font-weight: 600; margin-bottom: 10px; }
.expert-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.6; }
.expert-awards { display: flex; gap: 5px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px; }
.expert-award {
  font-size: 11px;
  background: rgba(255,107,0,0.1);
  color: var(--orange);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid rgba(255,107,0,0.2);
}
.expert-actions { display: flex; gap: 8px; justify-content: center; }
.expert-actions a {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 600;
}

/* ---------- 合作品牌 ---------- */
.yd0gb1u {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}
.ueoym {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: var(--trans);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
}
.ueoym:hover { border-color: var(--orange); background: rgba(255,107,0,0.05); }
.tgpvo6f { font-size: 14px; font-weight: 700; color: var(--text-muted); }
.ueoym:hover .tgpvo6f { color: var(--orange); }

/* ---------- 评价 ---------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.zc49u2e {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--border);
  transition: var(--trans);
}
.zc49u2e:hover { border-color: rgba(255,107,0,0.4); }
.vbjst0f { color: var(--orange); font-size: 16px; margin-bottom: 10px; }
.wy1vrg { font-size: 14px; color: var(--text); line-height: 1.7; margin-bottom: 14px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 10px; }
.swfxz {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: 13px; font-weight: 600; color: var(--white); }
.review-date { font-size: 11px; color: var(--text-muted); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  transition: var(--trans);
}
.faq-item.open { border-color: var(--orange); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  gap: 12px;
}
.faq-question:hover { color: var(--orange); }
.faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,107,0,0.15);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  transition: var(--trans);
}
.faq-item.open .faq-icon { background: var(--orange); color: #fff; transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 16px; }

/* ---------- AI功能卡片 ---------- */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.cnhr8bl {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 26px;
  border: 1px solid var(--border);
  transition: var(--trans);
  position: relative;
  overflow: hidden;
}
.cnhr8bl::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--orange-lt));
  transform: scaleX(0);
  transition: var(--trans);
}
.cnhr8bl:hover { transform: translateY(-4px); border-color: var(--orange); }
.cnhr8bl:hover::before { transform: scaleX(1); }
.qp1usfc {
  width: 52px;
  height: 52px;
  background: rgba(255,107,0,0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.p9fxi9lt { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.e3yzt { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ---------- 社区功能 ---------- */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.m42tx7yb {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--trans);
}
.m42tx7yb:hover { border-color: var(--orange); transform: translateY(-3px); }
.f6ivefp { font-size: 32px; margin-bottom: 12px; }
.caulwz { font-size: 15px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.y4qkr { font-size: 13px; color: var(--text-muted); }

/* ---------- 统计数字 ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  padding: 50px 0;
}
.stat-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--dark2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.stat-num {
  font-size: 38px;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 13px; color: var(--text-muted); }

/* ---------- 联系信息 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-block { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--dark2);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
}
.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,107,0,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-label { font-size: 11px; color: var(--text-muted); margin-bottom: 3px; }
.contact-value { font-size: 14px; color: var(--white); font-weight: 500; }
.qr-grid { display: flex; gap: 20px; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-box {
  width: 110px;
  height: 110px;
  background: var(--dark3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  font-size: 40px;
}
.qr-label { font-size: 12px; color: var(--text-muted); }

/* ---------- 分享按钮 ---------- */
.ep64agd2 {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 30px 0;
}
.gsmyvpb { font-size: 13px; color: var(--text-muted); }
.f0wpimbo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  transition: var(--trans);
  border: 1px solid var(--border);
  background: var(--dark2);
  color: var(--text);
}
.f0wpimbo:hover { transform: translateY(-2px); }
.share-wechat:hover { border-color: #07c160; color: #07c160; }
.share-weibo:hover { border-color: #e6162d; color: #e6162d; }
.share-douyin:hover { border-color: #fe2c55; color: #fe2c55; }
.share-bili:hover { border-color: #00a1d6; color: #00a1d6; }
.share-qq:hover { border-color: #12b7f5; color: #12b7f5; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb-list a { color: var(--text-muted); }
.breadcrumb-list a:hover { color: var(--orange); }
.breadcrumb-sep { color: var(--border); }
.breadcrumb-current { color: var(--orange); }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--dark2);
  border-top: 1px solid var(--border);
  padding: 50px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { }
.footer-logo { height: 36px; margin-bottom: 14px; }
.footer-desc { font-size: 13px; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.footer-social { display: flex; gap: 8px; }
.social-btn {
  width: 34px;
  height: 34px;
  background: var(--dark3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: var(--trans);
}
.social-btn:hover { background: var(--orange); color: #fff; border-color: var(--orange); }
.footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 13px; color: var(--text-muted); }
.footer-links a:hover { color: var(--orange); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-copy { font-size: 12px; color: var(--text-muted); }
.footer-update { font-size: 12px; color: var(--text-muted); }
.footer-icp { font-size: 12px; color: var(--text-muted); }

/* ---------- 视频弹窗 ---------- */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
}
.video-modal.active { display: flex; }
.video-modal-inner {
  position: relative;
  width: 90%;
  max-width: 860px;
  background: var(--dark2);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.video-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-modal-player {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}
.video-modal-info { padding: 16px 20px; }
.video-modal-title { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.video-modal-meta { font-size: 13px; color: var(--text-muted); }

/* ---------- 博客卡片 ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.blog-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--trans);
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--orange); }
.blog-thumb { aspect-ratio: 16/9; overflow: hidden; }
.blog-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.blog-card:hover .blog-thumb img { transform: scale(1.05); }
.blog-body { padding: 16px; }
.blog-cat { font-size: 11px; color: var(--orange); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px; }
.blog-title { font-size: 15px; font-weight: 700; color: var(--white); margin-bottom: 8px; line-height: 1.5; }
.blog-excerpt { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.blog-footer { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); }

/* ---------- 配件卡片 ---------- */
.ow6jpmwa {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.m9l3s8 {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--trans);
  text-align: center;
}
.m9l3s8:hover { border-color: var(--orange); transform: translateY(-3px); }
.hkiojp { font-size: 48px; padding: 24px 0 12px; }
.ns6av2 { font-size: 15px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.part-desc { font-size: 13px; color: var(--text-muted); padding: 0 16px 16px; }
.part-price { font-size: 18px; font-weight: 800; color: var(--orange); padding-bottom: 16px; }

/* ---------- 入口加入 ---------- */
.xbv1ukwj {
  background: linear-gradient(135deg, var(--dark2) 0%, rgba(255,107,0,0.08) 100%);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  text-align: center;
  border: 1px solid rgba(255,107,0,0.2);
}
.cwdomyy { font-size: 28px; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.lp7c2f9g { font-size: 15px; color: var(--text-muted); margin-bottom: 28px; }
.join-steps {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.eg2asrfj { text-align: center; }
.join-step-num {
  width: 40px;
  height: 40px;
  background: var(--orange);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  margin: 0 auto 8px;
}
.join-step-text { font-size: 13px; color: var(--text-muted); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark2); padding: 16px; border-bottom: 1px solid var(--border); z-index: 999; }
  .main-nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .header-search-form { display: none; }
  .hero { min-height: 420px; }
  .hero-content { padding: 40px 20px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .expert-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .xbv1ukwj { padding: 30px 20px; }
  .join-steps { gap: 16px; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 26px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .section { padding: 50px 0; }
}

/* ---------- 动画 ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease both; }
.fade-in-1 { animation-delay: 0.1s; }
.fade-in-2 { animation-delay: 0.2s; }
.fade-in-3 { animation-delay: 0.3s; }
.fade-in-4 { animation-delay: 0.4s; }

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

/* ---------- 选中颜色 ---------- */
::selection { background: var(--orange); color: #fff; }

/* ---------- 内页通用 ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--dark2) 0%, var(--dark3) 100%);
  padding: 50px 0 40px;
  border-bottom: 1px solid var(--border);
}
.page-hero-title {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 10px;
}
.page-hero-desc { font-size: 15px; color: var(--text-muted); }

/* ---------- 移动端搜索栏 ---------- */
.cprkx1 {
  display: none;
  padding: 10px 16px;
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
}
.cprkx1 .search-bar-main { border-radius: 20px; }
@media (max-width: 768px) {
  .cprkx1 { display: block; }
  .search-bar-section { display: none; }
}