/* =====================================================
   小小绘 - 官方网站样式表
   域名: r5LLi27.cn
   主题: 炽焰橙金 · 影视动漫社区
   配色: 深炭 #1C1C2E / 炽红 #C0392B / 金橙 #E67E22 / 暖白 #F5F0E8
   ===================================================== */

/* ── 全局重置 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: #1C1C2E;
  color: #E8E0D0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: #E67E22; text-decoration: none; transition: color .25s; }
a:hover { color: #F39C12; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ── CSS 变量 ── */
:root {
  --primary:   #C0392B;
  --secondary: #E67E22;
  --gold:      #F39C12;
  --dark:      #1C1C2E;
  --dark2:     #252538;
  --dark3:     #2E2E45;
  --light:     #F5F0E8;
  --muted:     #9E9080;
  --border:    rgba(230,126,34,.18);
  --shadow:    0 8px 32px rgba(192,57,43,.15);
  --radius:    12px;
  --radius-sm: 6px;
  --transition: .28s cubic-bezier(.4,0,.2,1);
}

/* ── 滚动条 ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark2); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ── 容器 ── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* ── 通用标题 ── */
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--light);
  margin-bottom: 12px;
  position: relative;
}
.section-title span { color: var(--secondary); }
.section-subtitle {
  color: var(--muted);
  font-size: .95rem;
  margin-bottom: 48px;
}
.title-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}
.title-bar::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── 按钮 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 18px rgba(192,57,43,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(192,57,43,.5);
  color: #fff;
}
.btn-outline {
  border: 1.5px solid var(--secondary);
  color: var(--secondary);
}
.btn-outline:hover {
  background: var(--secondary);
  color: #fff;
}
.btn-ghost {
  color: var(--muted);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}
.btn-ghost:hover { background: var(--dark3); color: var(--light); }
.btn-sm { padding: 8px 18px; font-size: .85rem; }

/* ── 徽章 ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.yvyhvw { background: rgba(192,57,43,.2); color: var(--primary); border: 1px solid rgba(192,57,43,.3); }
.tf0kq7 { background: rgba(243,156,18,.15); color: var(--gold); border: 1px solid rgba(243,156,18,.25); }
.k96xs  { background: rgba(46,204,113,.15); color: #2ECC71; border: 1px solid rgba(46,204,113,.25); }
.g9pizt  { background: rgba(230,126,34,.2); color: var(--secondary); border: 1px solid rgba(230,126,34,.3); }

/* ══════════════════════════════════════════
   顶部公告栏
══════════════════════════════════════════ */
.smkbrp {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  padding: 8px 0;
  font-size: .82rem;
  color: rgba(255,255,255,.9);
  text-align: center;
  letter-spacing: .03em;
}
.smkbrp a { color: #fff; text-decoration: underline; }

/* ══════════════════════════════════════════
   导航栏
══════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(28,28,46,.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 0;
  height: 64px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 32px;
}
.nav-brand img { width: 40px; height: 40px; border-radius: 8px; }
.nav-brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-link {
  color: #C8C0B0;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: .92rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--secondary);
  background: rgba(230,126,34,.1);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--light);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── 搜索框 ── */
.search-wrap {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.search-form {
  display: flex;
  align-items: center;
  max-width: 640px;
  margin: 0 auto;
  background: var(--dark3);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  overflow: hidden;
  transition: border-color .25s;
}
.search-form:focus-within { border-color: var(--secondary); }
.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 10px 20px;
  color: var(--light);
  font-size: .95rem;
}
.search-input::placeholder { color: var(--muted); }
.search-btn {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  border-radius: 0 50px 50px 0;
  transition: opacity .2s;
}
.search-btn:hover { opacity: .88; }

/* ── 分类标签栏 ── */
.cat-bar {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-bar::-webkit-scrollbar { display: none; }
.cat-list {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 20px;
  white-space: nowrap;
}
.cat-item {
  padding: 14px 18px;
  font-size: .88rem;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  font-weight: 500;
}
.cat-item:hover { color: var(--secondary); }
.cat-item.active { color: var(--secondary); border-bottom-color: var(--secondary); }

/* ══════════════════════════════════════════
   弹幕滚动栏
══════════════════════════════════════════ */
.jdcizcxr {
  background: rgba(192,57,43,.08);
  border-top: 1px solid rgba(192,57,43,.15);
  border-bottom: 1px solid rgba(192,57,43,.15);
  padding: 8px 0;
  overflow: hidden;
}
.x97vh {
  display: flex;
  gap: 60px;
  animation: danmaku-scroll 35s linear infinite;
  white-space: nowrap;
}
.x97vh:hover { animation-play-state: paused; }
.ibplu7u {
  font-size: .82rem;
  color: rgba(230,126,34,.8);
  flex-shrink: 0;
}
.ibplu7u::before { content: "🔥 "; }
@keyframes danmaku-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ══════════════════════════════════════════
   英雄区
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(.45);
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(28,28,46,.85) 0%, rgba(192,57,43,.2) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.01xky {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(192,57,43,.2);
  border: 1px solid rgba(192,57,43,.35);
  color: var(--secondary);
  padding: 5px 14px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: .05em;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,.5);
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero-desc {
  font-size: 1.05rem;
  color: rgba(245,240,232,.8);
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stat-num {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}
.hero-stat-label {
  font-size: .8rem;
  color: rgba(245,240,232,.6);
  margin-top: 4px;
}

/* ══════════════════════════════════════════
   视频卡片
══════════════════════════════════════════ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--dark2);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230,126,34,.4);
  box-shadow: 0 16px 40px rgba(192,57,43,.2);
}
.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 .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,.4);
  opacity: 0;
  transition: opacity .25s;
}
.video-card:hover .video-play-btn { opacity: 1; }
.play-circle {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(.85);
  transition: transform .25s;
  box-shadow: 0 4px 20px rgba(192,57,43,.5);
}
.video-card:hover .play-circle { transform: scale(1); }
.play-circle svg { width: 22px; height: 22px; fill: #fff; margin-left: 3px; }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,.75);
  color: #fff;
  font-size: .72rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
}
.video-body { padding: 14px; }
.video-title {
  font-size: .92rem;
  font-weight: 600;
  color: var(--light);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .78rem;
  color: var(--muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ══════════════════════════════════════════
   功能模块卡片
══════════════════════════════════════════ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.feature-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.feature-card:hover {
  border-color: rgba(230,126,34,.4);
  background: var(--dark3);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, rgba(192,57,43,.15), rgba(230,126,34,.15));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  border: 1px solid rgba(230,126,34,.2);
}
.feature-title {
  font-size: .92rem;
  font-weight: 700;
  color: var(--light);
  margin-bottom: 6px;
}
.feature-desc { font-size: .8rem; color: var(--muted); line-height: 1.5; }

/* ══════════════════════════════════════════
   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: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover {
  border-color: rgba(230,126,34,.35);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.expert-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--secondary);
  box-shadow: 0 0 0 4px rgba(230,126,34,.15);
}
.expert-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--light);
  margin-bottom: 4px;
}
.expert-role {
  font-size: .82rem;
  color: var(--secondary);
  margin-bottom: 10px;
  font-weight: 600;
}
.expert-bio { font-size: .82rem; color: var(--muted); margin-bottom: 16px; line-height: 1.6; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.expert-actions { display: flex; gap: 8px; justify-content: center; }

/* ══════════════════════════════════════════
   社区功能卡片
══════════════════════════════════════════ */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.community-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.community-card:hover {
  border-color: rgba(230,126,34,.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.community-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.community-body { padding: 18px; }
.community-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--light);
  margin-bottom: 6px;
}
.community-desc { font-size: .82rem; color: var(--muted); line-height: 1.6; }

/* ══════════════════════════════════════════
   AI 赋能区
══════════════════════════════════════════ */
.ai-section {
  background: linear-gradient(135deg, var(--dark2) 0%, rgba(192,57,43,.08) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.ai-visual img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(192,57,43,.2);
}
.ai-features { display: flex; flex-direction: column; gap: 20px; }
.ai-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  background: var(--dark3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.ai-feature-item:hover { border-color: rgba(230,126,34,.35); }
.ai-feature-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.ai-feature-title { font-size: .95rem; font-weight: 700; color: var(--light); margin-bottom: 4px; }
.ai-feature-desc { font-size: .82rem; color: var(--muted); }

/* ══════════════════════════════════════════
   合作品牌 Logo 墙
══════════════════════════════════════════ */
.partner-section { background: var(--dark2); }
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}
.partner-item {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  text-align: center;
  font-size: .88rem;
  font-weight: 700;
  color: var(--muted);
  transition: var(--transition);
}
.partner-item:hover { color: var(--secondary); border-color: rgba(230,126,34,.3); }

/* ══════════════════════════════════════════
   加入社区步骤
══════════════════════════════════════════ */
.join-section { background: var(--dark); }
.join-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.join-step {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  position: relative;
  transition: var(--transition);
  counter-increment: step;
}
.join-step:hover { border-color: rgba(230,126,34,.35); transform: translateY(-4px); }
.join-step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: -16px;
  left: 22px;
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(230,126,34,.2);
  line-height: 1;
}
.join-step-icon { font-size: 2rem; margin-bottom: 14px; }
.join-step-title { font-size: .95rem; font-weight: 700; color: var(--light); margin-bottom: 6px; }
.join-step-desc { font-size: .82rem; color: var(--muted); line-height: 1.6; }

/* ══════════════════════════════════════════
   FAQ
══════════════════════════════════════════ */
.faq-section { background: var(--dark2); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .25s;
}
.faq-item.open { border-color: rgba(230,126,34,.35); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  color: var(--light);
  font-size: .95rem;
  gap: 12px;
}
.faq-question:hover { color: var(--secondary); }
.faq-arrow {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(230,126,34,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .25s, background .25s;
  font-size: .75rem;
  color: var(--secondary);
}
.faq-item.open .faq-arrow { transform: rotate(180deg); background: rgba(230,126,34,.2); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .25s;
  padding: 0 22px;
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.8;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 22px 18px; }

/* ══════════════════════════════════════════
   用户评论
══════════════════════════════════════════ */
.reviews-section { background: var(--dark); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: var(--transition);
}
.review-card:hover { border-color: rgba(230,126,34,.3); 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: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: .9rem; font-weight: 700; color: var(--light); }
.review-date { font-size: .75rem; color: var(--muted); }
.review-stars { color: var(--gold); font-size: .9rem; margin-bottom: 10px; }
.review-text { font-size: .85rem; color: var(--muted); line-height: 1.7; }
.review-tag { margin-top: 10px; }

/* ══════════════════════════════════════════
   联系 & 二维码
══════════════════════════════════════════ */
.contact-section { background: var(--dark2); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: var(--dark3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.contact-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-label { font-size: .8rem; color: var(--muted); margin-bottom: 2px; }
.contact-value { font-size: .9rem; color: var(--light); font-weight: 600; }
.qr-group { display: flex; gap: 24px; justify-content: center; }
.qr-item { text-align: center; }
.qr-img {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: #fff;
  padding: 8px;
  margin-bottom: 8px;
}
.qr-label { font-size: .82rem; color: var(--muted); }

/* ══════════════════════════════════════════
   社交分享
══════════════════════════════════════════ */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.share-label { font-size: .85rem; color: var(--muted); }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 600;
  border: 1.5px solid var(--border);
  color: var(--muted);
  transition: var(--transition);
}
.share-btn:hover { border-color: var(--secondary); color: var(--secondary); }

/* ══════════════════════════════════════════
   面包屑
══════════════════════════════════════════ */
.breadcrumb {
  padding: 14px 0;
  font-size: .82rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb-sep { color: rgba(255,255,255,.2); }
.breadcrumb-current { color: var(--secondary); }

/* ══════════════════════════════════════════
   分页
══════════════════════════════════════════ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.page-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--dark2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: .88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  cursor: pointer;
}
.page-btn:hover, .page-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-color: transparent;
  color: #fff;
}

/* ══════════════════════════════════════════
   页脚
══════════════════════════════════════════ */
.footer {
  background: #141420;
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand img { width: 48px; height: 48px; border-radius: 10px; margin-bottom: 14px; }
.footer-brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.footer-desc { font-size: .85rem; color: var(--muted); line-height: 1.7; margin-bottom: 20px; }
.footer-col-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--light);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: .85rem; color: var(--muted); transition: color .2s; }
.footer-links a:hover { color: var(--secondary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .8rem;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--secondary); }

/* ══════════════════════════════════════════
   动画
══════════════════════════════════════════ */
.9pbqi { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.9pbqi.visible { opacity: 1; transform: translateY(0); }
.9pbqi.z5yg4v { transition-delay: .1s; }
.9pbqi.jef1b { transition-delay: .2s; }
.9pbqi.dcih3 { transition-delay: .3s; }
.9pbqi.tj322fl { transition-delay: .4s; }

/* ── 数字滚动 ── */
.scyne0 { display: inline-block; }

/* ══════════════════════════════════════════
   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; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { min-height: 460px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-stats { gap: 24px; }
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(28,28,46,.98); padding: 16px; gap: 4px; border-bottom: 1px solid var(--border); }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: 1fr; }
  .qr-group { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ══════════════════════════════════════════
   内页通用
══════════════════════════════════════════ */
.page-hero {
  background: linear-gradient(135deg, var(--dark2) 0%, rgba(192,57,43,.1) 100%);
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; color: var(--light); margin-bottom: 8px; }
.page-hero p { color: var(--muted); font-size: .95rem; }

/* ── 标签云 ── */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.tag { padding: 5px 14px; background: var(--dark3); border: 1px solid var(--border); border-radius: 50px; font-size: .8rem; color: var(--muted); cursor: pointer; transition: var(--transition); }
.tag:hover { border-color: var(--secondary); color: var(--secondary); }
.tag.active { background: rgba(230,126,34,.15); border-color: var(--secondary); color: var(--secondary); }