/* ========================================
   幼幼 - 原创CSS样式
   配色：电蓝#0052D4 + 霓虹青#00D4AA + 深紫#1A0A2E
   字体：系统字体栈
   ======================================== */
:root {
  --c-primary: #0052D4;
  --c-accent: #00D4AA;
  --c-dark: #1A0A2E;
  --c-darker: #0F0620;
  --c-light: #E8F4FD;
  --c-white: #FFFFFF;
  --c-text: #2D2D3A;
  --c-text-light: #6B7280;
  --c-border: #E2E8F0;
  --c-card-bg: #FFFFFF;
  --c-gradient-1: linear-gradient(135deg, #0052D4 0%, #4364F7 50%, #6FB1FC 100%);
  --c-gradient-2: linear-gradient(135deg, #1A0A2E 0%, #2D1B69 50%, #0052D4 100%);
  --c-gradient-3: linear-gradient(135deg, #00D4AA 0%, #0052D4 100%);
  --c-shadow: 0 4px 20px rgba(0, 82, 212, 0.12);
  --c-shadow-hover: 0 8px 30px rgba(0, 82, 212, 0.22);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1280px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--c-text);
  background: var(--c-light);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--c-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--c-accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

/* === 顶部导航 === */
.site-header {
  background: var(--c-gradient-2);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 42px; width: auto; border-radius: 6px; }
.nav-logo span {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(90deg, #00D4AA, #6FB1FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; gap: 6px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.85);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  background: rgba(0, 212, 170, 0.2);
  color: var(--c-accent);
}
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  margin: 5px 0;
  transition: var(--transition);
}

/* === 搜索框 === */
.search-bar {
  background: var(--c-dark);
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 212, 170, 0.15);
}
.search-wrap {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  gap: 0;
}
.search-wrap input {
  flex: 1;
  padding: 12px 20px;
  border: 2px solid rgba(0, 212, 170, 0.3);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  background: rgba(255,255,255,0.08);
  color: white;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}
.search-wrap input::placeholder { color: rgba(255,255,255,0.4); }
.search-wrap input:focus { border-color: var(--c-accent); background: rgba(255,255,255,0.12); }
.search-wrap button {
  padding: 12px 28px;
  background: var(--c-gradient-3);
  border: none;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.search-wrap button:hover { opacity: 0.9; transform: scale(1.02); }

/* === Hero轮播 === */
.hero-section {
  position: relative;
  overflow: hidden;
  height: 520px;
  background: var(--c-darker);
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.n8zuk6iw {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,10,46,0.9) 0%, rgba(26,10,46,0.3) 50%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 0 0 60px 0;
}
.hero-text {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}
.hero-text h1 {
  font-size: 2.8rem;
  font-weight: 900;
  color: white;
  margin-bottom: 12px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.hero-text h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #00D4AA, #6FB1FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-text p {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  max-width: 600px;
}
.xyesz {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}
.xyesz span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}
.xyesz span.active { background: var(--c-accent); transform: scale(1.3); }

/* === 通用区块 === */
.section { padding: 60px 0; }
.n9bql { background: var(--c-white); }
.sp9r5gbu { background: var(--c-gradient-2); color: white; }
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-dark);
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--c-gradient-3);
  border-radius: 2px;
}
.sp9r5gbu .section-title h2 { color: white; }
.section-title p {
  color: var(--c-text-light);
  font-size: 1.05rem;
  margin-top: 16px;
}
.sp9r5gbu .section-title p { color: rgba(255,255,255,0.7); }

/* === 视频卡片网格 === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  background: var(--c-card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--c-shadow);
  transition: var(--transition);
  position: relative;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--c-shadow-hover);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #1A0A2E;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.08); }
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 64px;
  height: 64px;
  background: rgba(0, 212, 170, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0, 212, 170, 0.4);
}
.play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent white;
  margin-left: 3px;
}
.video-card:hover .play-btn { transform: translate(-50%, -50%) scale(1); }
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.75);
  color: white;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.video-info { padding: 16px; }
.video-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--c-text-light);
  margin-bottom: 10px;
}
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.video-tags span {
  padding: 3px 10px;
  background: rgba(0, 82, 212, 0.08);
  color: var(--c-primary);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
}

/* === 面包屑 === */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.88rem;
  color: var(--c-text-light);
}
.breadcrumb a { color: var(--c-primary); }
.breadcrumb span { margin: 0 6px; }

/* === 专家卡片 === */
.h93t4eg {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.90mq0 {
  background: var(--c-card-bg);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--c-shadow);
  transition: var(--transition);
  border-top: 4px solid var(--c-primary);
}
.90mq0:hover { transform: translateY(-4px); box-shadow: var(--c-shadow-hover); }
.90mq0 img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--c-accent);
}
.90mq0 h4 { font-size: 1.1rem; color: var(--c-dark); margin-bottom: 4px; }
.90mq0 .role { color: var(--c-primary); font-size: 0.88rem; font-weight: 600; margin-bottom: 10px; }
.90mq0 p { font-size: 0.85rem; color: var(--c-text-light); line-height: 1.6; }
.na7uh { display: flex; gap: 8px; justify-content: center; margin-top: 14px; }
.xne0c0d {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.1q6m4yv6 { background: var(--c-gradient-3); color: white; }
.9k755nm { background: transparent; border: 1.5px solid var(--c-primary); color: var(--c-primary); }
.9k755nm:hover { background: var(--c-primary); color: white; }

/* === FAQ手风琴 === */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--c-card-bg);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  overflow: hidden;
}
.faq-q {
  padding: 18px 24px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  color: var(--c-dark);
}
.faq-q:hover { color: var(--c-primary); }
.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--c-primary);
  transition: var(--transition);
}
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
  color: var(--c-text-light);
  line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 18px; }

/* === 评论区 === */
.qip10 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.ladur1t {
  background: var(--c-card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--c-shadow);
  border-left: 4px solid var(--c-accent);
}
.ladur1t .uz2d7v { color: #F59E0B; font-size: 1rem; margin-bottom: 10px; }
.ladur1t blockquote {
  font-size: 0.95rem;
  color: var(--c-text);
  line-height: 1.7;
  margin-bottom: 12px;
  font-style: italic;
}
.ladur1t .rzpd29kk {
  font-size: 0.85rem;
  color: var(--c-text-light);
  font-weight: 600;
}

/* === AI赋能区 === */
.ai-section { position: relative; overflow: hidden; }
.idkmdfx {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.ayt1rp0p { list-style: none; }
.ayt1rp0p li {
  padding: 14px 0;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.ayt1rp0p li:last-child { border-bottom: none; }
.4ckgsv {
  width: 44px;
  height: 44px;
  background: var(--c-gradient-3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.ayt1rp0p h4 { font-size: 1rem; color: var(--c-dark); margin-bottom: 4px; }
.ayt1rp0p p { font-size: 0.88rem; color: var(--c-text-light); }

/* === 合作品牌 === */
.soaykm {
  border-radius: var(--radius);
  box-shadow: var(--c-shadow);
  overflow: hidden;
}
.soaykm img { width: 100%; }

/* === How-To === */
.7d4w6 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.dl8z4 {
  background: var(--c-card-bg);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--c-shadow);
  position: relative;
  counter-increment: step;
}
.dl8z4::before {
  content: counter(step);
  display: block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  background: var(--c-gradient-1);
  color: white;
  border-radius: 50%;
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 auto 16px;
}
.dl8z4 h4 { font-size: 1rem; color: var(--c-dark); margin-bottom: 8px; }
.dl8z4 p { font-size: 0.88rem; color: var(--c-text-light); }

/* === 社区功能 === */
.qsg2mro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.9lj04 {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}
.9lj04:hover {
  background: rgba(0, 212, 170, 0.1);
  border-color: var(--c-accent);
  transform: translateY(-4px);
}
.9lj04 .icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
  display: block;
}
.9lj04 h4 { color: white; font-size: 1.05rem; margin-bottom: 8px; }
.9lj04 p { color: rgba(255,255,255,0.65); font-size: 0.88rem; }

/* === 联系信息 === */
.jfqeg {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.5bojju {
  background: var(--c-card-bg);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--c-shadow);
}
.5bojju h3 {
  font-size: 1.2rem;
  color: var(--c-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-accent);
}
.jkw2b {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.95rem;
}
.jkw2b strong { color: var(--c-dark); min-width: 80px; }
.vjp04kk {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 16px;
}
.vjp04kk figure { text-align: center; }
.vjp04kk img { width: 160px; height: 160px; border-radius: var(--radius-sm); margin: 0 auto; }
.vjp04kk figcaption { margin-top: 8px; font-size: 0.88rem; color: var(--c-text-light); }

/* === 分享按钮 === */
.r8gfooh {
  display: flex;
  gap: 10px;
  justify-content: center;
  padding: 20px 0;
}
.share-btn {
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 600;
  color: white;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.share-btn:hover { transform: scale(1.05); }
.vakox2b { background: #07C160; }
.8f5pz9 { background: #E6162D; }
.877xgo8 { background: #161823; }
.g9xbuob { background: #00A1D6; }

/* === 页脚 === */
.site-footer {
  background: var(--c-darker);
  color: rgba(255,255,255,0.7);
  padding: 50px 0 0;
}
.w06k3bcu {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px 40px;
}
.f0aym img { height: 40px; margin-bottom: 14px; }
.f0aym p { font-size: 0.9rem; line-height: 1.7; }
.t1jwq h4 {
  color: var(--c-accent);
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 700;
}
.t1jwq ul { list-style: none; }
.t1jwq li { margin-bottom: 8px; }
.t1jwq a { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.t1jwq a:hover { color: var(--c-accent); }
.g8czd {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px;
  text-align: center;
  font-size: 0.85rem;
}
.g8czd a { color: var(--c-accent); }

/* === MCP模块（隐藏） === */
.0d8s3eby { display: none; }

/* === 内页通用 === */
.page-header {
  background: var(--c-gradient-2);
  padding: 40px 0;
  text-align: center;
}
.page-header h1 { color: white; font-size: 2.2rem; font-weight: 800; }
.page-header p { color: rgba(255,255,255,0.7); margin-top: 8px; }
.page-content { padding: 40px 0 60px; }

/* === 数据统计条 === */
.oced8m {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 30px 0;
}
.w8gw9 {
  text-align: center;
  padding: 20px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 212, 170, 0.15);
}
.w8gw9 .num {
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(90deg, #00D4AA, #6FB1FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.w8gw9 .label { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-top: 4px; }

/* === 响应式 === */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .h93t4eg { grid-template-columns: repeat(2, 1fr); }
  .7d4w6 { grid-template-columns: repeat(2, 1fr); }
  .w06k3bcu { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--c-dark); flex-direction: column; padding: 16px; }
  .nav-links.show { display: flex; }
  .nav-toggle { display: block; }
  .hero-section { height: 360px; }
  .hero-text h1 { font-size: 1.8rem; }
  .video-grid { grid-template-columns: 1fr; }
  .h93t4eg { grid-template-columns: 1fr; }
  .idkmdfx { grid-template-columns: 1fr; }
  .qip10 { grid-template-columns: 1fr; }
  .jfqeg { grid-template-columns: 1fr; }
  .7d4w6 { grid-template-columns: 1fr; }
  .qsg2mro { grid-template-columns: 1fr; }
  .oced8m { grid-template-columns: repeat(2, 1fr); }
  .w06k3bcu { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .vjp04kk { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .search-wrap { flex-direction: column; }
  .search-wrap input { border-radius: var(--radius); border-right: 2px solid rgba(0, 212, 170, 0.3); }
  .search-wrap button { border-radius: var(--radius); margin-top: 8px; }
  .oced8m { grid-template-columns: 1fr; }
}