/* =============================================
   少萝 - pL4f5s0.cn 主样式文件
   原创配色：深靛蓝 + 金橙渐变主题
   ============================================= */

/* === 全局重置 === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  background: #0a0e1a;
  color: #e8eaf0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: #f0a500; text-decoration: none; transition: color .25s; }
a:hover { color: #ffd166; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; }

/* === CSS变量 === */
:root {
  --primary: #1a2a6c;
  --secondary: #b21f1f;
  --accent: #f0a500;
  --accent2: #ffd166;
  --dark: #0a0e1a;
  --dark2: #111827;
  --dark3: #1c2333;
  --card-bg: #161d2e;
  --border: rgba(240,165,0,0.18);
  --text: #e8eaf0;
  --text-muted: #8892a4;
  --grad1: linear-gradient(135deg, #1a2a6c 0%, #b21f1f 50%, #f0a500 100%);
  --grad2: linear-gradient(135deg, #0f1729 0%, #1a2a6c 100%);
  --grad3: linear-gradient(90deg, #f0a500, #ffd166);
  --shadow: 0 4px 24px rgba(0,0,0,0.45);
  --radius: 12px;
  --radius-sm: 8px;
}

/* === 容器 === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* === 顶部公告栏 === */
.u28kl {
  background: var(--grad1);
  text-align: center;
  padding: 7px 20px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: #fff;
}
.u28kl a { color: #fff; font-weight: 600; }

/* === 站点头部 === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(10,14,26,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.5);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: cover;
}
.site-logo .logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  background: var(--grad3);
  -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; }
.main-nav a {
  color: #c8d0e0;
  font-size: 0.92rem;
  padding: 6px 14px;
  border-radius: 6px;
  transition: all .2s;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  background: rgba(240,165,0,0.12);
  color: var(--accent);
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-join {
  background: var(--grad1);
  color: #fff;
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: opacity .2s;
  white-space: nowrap;
}
.btn-join:hover { opacity: 0.85; color: #fff; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: all .3s;
}

/* === 搜索栏 === */
.xcp5m19 {
  background: var(--dark3);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.ut2ia {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
}
.d5ikkv6 {
  flex: 1;
  display: flex;
  align-items: center;
  background: #0f1729;
  border: 1.5px solid var(--border);
  border-radius: 24px;
  padding: 0 16px;
  gap: 8px;
  transition: border-color .2s;
}
.d5ikkv6:focus-within { border-color: var(--accent); }
.d5ikkv6 svg { color: var(--text-muted); flex-shrink: 0; }
.d5ikkv6 input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.92rem;
  padding: 9px 0;
}
.d5ikkv6 input::placeholder { color: var(--text-muted); }
.btn-search {
  background: var(--grad3);
  color: #0a0e1a;
  font-weight: 700;
  padding: 9px 22px;
  border-radius: 20px;
  font-size: 0.88rem;
  transition: opacity .2s;
}
.btn-search:hover { opacity: 0.85; }
.i8yiy { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 6px; padding: 0 20px; max-width: 700px; margin-left: auto; margin-right: auto; }
.i8yiy span { font-size: 0.75rem; color: var(--text-muted); }
.i8yiy a { font-size: 0.78rem; color: var(--text-muted); background: rgba(255,255,255,0.05); padding: 2px 10px; border-radius: 12px; transition: all .2s; }
.i8yiy a:hover { background: rgba(240,165,0,0.15); color: var(--accent); }

/* === Hero区 === */
.hero-section {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--grad2);
}
.o75iacgv {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero_banner.jpg');
  background-size: cover;
  background-position: center top;
  opacity: 0.22;
  z-index: 0;
}
.ikl9d {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,14,26,0.92) 40%, rgba(26,42,108,0.6) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 60px 20px;
}
.j0fiys9 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(240,165,0,0.12);
  border: 1px solid rgba(240,165,0,0.3);
  color: var(--accent);
  font-size: 0.78rem;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  font-weight: 600;
}
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}
.hero-content h1 .brand-highlight {
  background: var(--grad3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content p {
  font-size: 1.05rem;
  color: #a8b4c8;
  margin-bottom: 28px;
  max-width: 520px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: var(--grad3);
  color: #0a0e1a;
  font-weight: 700;
  padding: 13px 32px;
  border-radius: 28px;
  font-size: 0.95rem;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(240,165,0,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(240,165,0,0.5); color: #0a0e1a; }
.btn-outline {
  border: 1.5px solid var(--accent);
  color: var(--accent);
  padding: 12px 28px;
  border-radius: 28px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all .2s;
}
.btn-outline:hover { background: rgba(240,165,0,0.1); color: var(--accent2); }
.qpmcym {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.mxydpg { text-align: left; }
.mxydpg .num {
  font-size: 1.7rem;
  font-weight: 800;
  background: var(--grad3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.mxydpg .label { font-size: 0.78rem; color: var(--text-muted); margin-top: 3px; }

/* === 通用Section标题 === */
.section-header { text-align: center; margin-bottom: 40px; }
.section-tag {
  display: inline-block;
  background: rgba(240,165,0,0.1);
  border: 1px solid rgba(240,165,0,0.25);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 3px 14px;
  border-radius: 12px;
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.section-title .accent { color: var(--accent); }
.section-desc { color: var(--text-muted); font-size: 0.95rem; max-width: 560px; margin: 0 auto; }

/* === 通用Section间距 === */
.section { padding: 72px 0; }
.section-alt { background: var(--dark2); }
.section-dark { background: var(--dark3); }

/* === 动漫视频卡片 === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s, border-color .25s;
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 36px rgba(240,165,0,0.18);
  border-color: rgba(240,165,0,0.4);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0f1729;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.45);
  opacity: 0;
  transition: opacity .25s;
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn svg {
  width: 52px;
  height: 52px;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.6));
}
.atuqr {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--grad1);
  color: #fff;
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.pm1czcu {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-info { padding: 14px; }
.video-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: #e0e6f0;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.45;
}
.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.video-meta-left { display: flex; align-items: center; gap: 10px; }
.video-meta span { display: flex; align-items: center; gap: 3px; }
.lq1ksxv3 { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 8px; }
.jkuiakt {
  font-size: 0.68rem;
  background: rgba(240,165,0,0.08);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid rgba(240,165,0,0.15);
}

/* === 分类筛选标签 === */
.awfc6soy {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  justify-content: center;
}
.r1i72wn2 {
  background: rgba(255,255,255,0.05);
  color: var(--text-muted);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all .2s;
}
.r1i72wn2:hover, .r1i72wn2.active {
  background: rgba(240,165,0,0.12);
  color: var(--accent);
  border-color: rgba(240,165,0,0.3);
}

/* === 弹幕区 === */
.pqnd8if {
  background: var(--dark3);
  padding: 16px 0;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.idc71s { overflow: hidden; white-space: nowrap; }
.s5sbg60 {
  display: inline-block;
  white-space: nowrap;
  animation: danmaku-scroll 38s linear infinite;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.s5sbg60 span { margin: 0 28px; }
.s5sbg60 .hl { color: var(--accent); font-weight: 600; }
@keyframes danmaku-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === 功能模块卡片 === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: transform .25s, border-color .25s;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(240,165,0,0.4); }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--grad2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.6rem;
}
.feature-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.feature-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* === 专家展示 === */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.expert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.expert-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
}
.expert-info { padding: 18px; }
.expert-name { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.expert-title { font-size: 0.78rem; color: var(--accent); margin-bottom: 10px; font-weight: 600; }
.expert-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.expert-awards { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 12px; }
.atga10g {
  font-size: 0.68rem;
  background: rgba(240,165,0,0.08);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 8px;
  border: 1px solid rgba(240,165,0,0.15);
}
.expert-btns { display: flex; gap: 8px; }
.btn-sm {
  flex: 1;
  text-align: center;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all .2s;
}
.btn-sm-primary { background: rgba(240,165,0,0.12); color: var(--accent); border: 1px solid rgba(240,165,0,0.25); }
.btn-sm-primary:hover { background: rgba(240,165,0,0.22); color: var(--accent2); }
.btn-sm-outline { border: 1px solid rgba(255,255,255,0.12); color: var(--text-muted); }
.btn-sm-outline:hover { border-color: var(--accent); color: var(--accent); }

/* === AI赋能模块 === */
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}
.ai-visual { border-radius: var(--radius); overflow: hidden; }
.ai-visual img { width: 100%; border-radius: var(--radius); }
.ai-content h2 { font-size: 1.8rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
.ai-content h2 .accent { color: var(--accent); }
.ai-content p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 20px; }
.ai-features { display: flex; flex-direction: column; gap: 12px; }
.ai-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.ai-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--grad2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.ai-feature-text h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 3px; }
.ai-feature-text p { font-size: 0.8rem; color: var(--text-muted); }

/* === 合作品牌 === */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}
.partner-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 14px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
  transition: all .2s;
}
.partner-item:hover { border-color: rgba(240,165,0,0.35); color: var(--accent); }

/* === 用户评论 === */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform .2s;
}
.review-card:hover { transform: translateY(-3px); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}
.review-user-name { font-size: 0.92rem; font-weight: 700; color: #fff; }
.review-user-tag { font-size: 0.72rem; color: var(--text-muted); }
.review-stars { color: var(--accent); font-size: 0.85rem; margin-bottom: 10px; }
.review-text { font-size: 0.85rem; color: #a8b4c8; line-height: 1.7; }
.review-date { font-size: 0.72rem; color: var(--text-muted); margin-top: 10px; }

/* === FAQ === */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item.open { border-color: rgba(240,165,0,0.4); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: #e0e6f0;
  gap: 12px;
  user-select: none;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s;
  padding: 0 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.75;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 18px; }

/* === 联系/社区入口 === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-info-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-info-card h3 { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 18px; }
.contact-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.contact-row .icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.contact-row strong { color: #c8d0e0; }
.r7uhix6 { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 20px; }
.gujheyu { text-align: center; }
.zne1l { width: 100px; height: 100px; border-radius: 8px; background: #fff; }
.vpcs1 { font-size: 0.72rem; color: var(--text-muted); margin-top: 6px; }

/* === 社交分享 === */
.k53bd0z {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 20px 0;
}
.ciywb6rd {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all .2s;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.ciywb6rd:hover { border-color: var(--accent); color: var(--accent); background: rgba(240,165,0,0.08); }

/* === 数据统计 === */
.yztfx { background: var(--grad1); padding: 48px 0; }
.lb2mhq3h {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.qcmd1 { color: #fff; }
.z0lcxcs {
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}
.y59ik47a { font-size: 0.85rem; opacity: 0.85; }

/* === 视频弹窗 === */
.rg1zur4 {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.88);
  align-items: center;
  justify-content: center;
}
.rg1zur4.active { display: flex; }
.y2okn50c {
  background: var(--dark3);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 720px;
  width: 90%;
  position: relative;
  border: 1px solid var(--border);
}
.eiyi9 {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  transition: color .2s;
}
.eiyi9:hover { color: var(--accent); }
.msu44ka {
  aspect-ratio: 16/9;
  background: #0a0e1a;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.msu44ka .i5jy4mqs { font-size: 3rem; color: var(--accent); }
.bmj2rw3h { font-size: 1rem; font-weight: 700; color: #fff; margin-top: 14px; }

/* === 面包屑 === */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: 0.4; }
.breadcrumb .current { color: var(--accent); }

/* === 页脚 === */
.site-footer {
  background: #060912;
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--grad3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  display: block;
}
.footer-brand p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.footer-col h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 14px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.82rem; color: var(--text-muted); transition: color .2s; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact p { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 8px; line-height: 1.6; }
.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;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.footer-bottom-links { display: flex; gap: 16px; }
.footer-bottom-links a { color: var(--text-muted); font-size: 0.78rem; }
.footer-bottom-links a:hover { color: var(--accent); }
.dzmg5r4x { color: var(--text-muted); font-size: 0.75rem; }

/* === 内页Hero === */
.inner-hero {
  background: var(--grad2);
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--border);
}
.inner-hero h1 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; color: #fff; margin-bottom: 8px; }
.inner-hero p { color: var(--text-muted); font-size: 0.92rem; }

/* === 懒加载占位 === */
img[data-src] { background: var(--dark3); min-height: 80px; }

/* === 响应式 === */
@media (max-width: 1024px) {
  .ai-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .lb2mhq3h { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(10,14,26,0.98); padding: 16px; gap: 4px; border-bottom: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 16px; border-radius: 8px; }
  .hamburger { display: flex; }
  .header-actions .btn-join { display: none; }
  .hero-section { min-height: 420px; }
  .qpmcym { gap: 20px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr; }
  .lb2mhq3h { grid-template-columns: repeat(2, 1fr); }
  .hero-btns { flex-direction: column; }
  .ut2ia { flex-direction: column; }
}

/* === 动画 === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.jr789xaw { animation: fadeInUp .6s ease both; }
.w7328 { animation-delay: .1s; }
.r3do0 { animation-delay: .2s; }
.p94z48q { animation-delay: .3s; }

/* === 滚动条美化 === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--dark2); }
::-webkit-scrollbar-thumb { background: rgba(240,165,0,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(240,165,0,0.6); }

/* === noscript降级 === */
.qo6j7 {
  background: var(--dark3);
  color: var(--text-muted);
  text-align: center;
  padding: 12px;
  font-size: 0.82rem;
}