/* =============================================
   黑料 - 主样式文件
   Brand: 黑料 | Domain: cowwv2.cn
   ============================================= */

/* ---- CSS变量 ---- */
:root {
  --primary: #FF3D7F;
  --primary-dark: #D4005E;
  --primary-light: #FF6FA3;
  --secondary: #1A1A2E;
  --secondary-light: #16213E;
  --accent: #FF9F43;
  --accent2: #A855F7;
  --text-main: #1A1A2E;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --bg-main: #FFFFFF;
  --bg-section: #F8F9FC;
  --bg-dark: #0F0F1A;
  --border: #E5E7EB;
  --card-shadow: 0 4px 20px rgba(255,61,127,0.10);
  --card-shadow-hover: 0 8px 32px rgba(255,61,127,0.22);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-main: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --max-width: 1280px;
}

/* ---- 重置与基础 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--text-main);
  background: var(--bg-main);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; }

/* ---- 容器 ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}
.section { padding: 72px 0; }
.section-alt { background: var(--bg-section); }

/* ---- 标题 ---- */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}
.section-header p { color: var(--text-muted); font-size: 1rem; max-width: 560px; margin: 0 auto; }
.section-header .tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

/* ---- 顶部公告栏 ---- */
.top-bar {
  background: linear-gradient(90deg, var(--secondary) 0%, #2D1B69 100%);
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  padding: 8px 0;
  text-align: center;
}
.top-bar a { color: var(--primary-light); margin: 0 8px; }

/* ---- 导航 ---- */
.site-header {
  background: #fff;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-wrap img.site-logo {
  height: 44px;
  width: auto;
}
.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary);
  background: rgba(255,61,127,0.07);
}

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  background: var(--bg-section);
  border: 1.5px solid var(--border);
  border-radius: 24px;
  padding: 6px 16px;
  gap: 8px;
  min-width: 200px;
  max-width: 260px;
  flex: 1;
}
.header-search input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.88rem;
  color: var(--text-main);
  width: 100%;
}
.header-search input::placeholder { color: var(--text-light); }
.header-search button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
  display: flex;
  align-items: center;
}
.header-search button:hover { color: var(--primary); }

/* 导航右侧按钮 */
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-join {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 24px;
  padding: 8px 22px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-join:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(255,61,127,0.35); }

/* 汉堡菜单 */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text-main); margin: 5px 0;
  transition: var(--transition);
}

/* ---- 搜索栏（导航下方） ---- */
.adnwdhqs {
  background: linear-gradient(135deg, var(--secondary) 0%, #2D1B69 100%);
  padding: 18px 0;
}
.n79cfm4c {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.n79cfm4c .search-big {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 32px;
  padding: 10px 20px;
  gap: 10px;
  width: 100%;
  max-width: 600px;
}
.n79cfm4c .search-big input {
  border: none; background: transparent; outline: none;
  color: #fff; font-size: 0.95rem; width: 100%;
}
.n79cfm4c .search-big input::placeholder { color: rgba(255,255,255,0.55); }
.n79cfm4c .search-big button {
  background: var(--primary); border: none; border-radius: 20px;
  color: #fff; padding: 6px 18px; font-size: 0.88rem; cursor: pointer;
  white-space: nowrap; transition: var(--transition);
}
.n79cfm4c .search-big button:hover { background: var(--primary-dark); }
.h8hl1ov2 { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 10px; }
.h8hl1ov2 a {
  color: rgba(255,255,255,0.7); font-size: 0.8rem;
  background: rgba(255,255,255,0.1); border-radius: 12px;
  padding: 3px 12px; transition: var(--transition);
}
.h8hl1ov2 a:hover { background: rgba(255,61,127,0.3); color: #fff; }

/* ---- Hero Banner ---- */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0F0F1A 0%, #1A0A2E 50%, #2D0B3E 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero-content h1 span {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content p {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border: none; border-radius: 28px;
  padding: 12px 32px; font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(255,61,127,0.4); }
.btn-outline {
  background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 28px; padding: 12px 32px; font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.hero-stats {
  display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.hero-stat .label { font-size: 0.82rem; color: rgba(255,255,255,0.6); margin-top: 2px; }

/* ---- 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #111;
}
.video-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.play-btn {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0);
  transition: var(--transition);
  opacity: 0;
}
.video-card:hover .play-btn { opacity: 1; background: rgba(0,0,0,0.35); }
.play-btn svg {
  width: 56px; height: 56px;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover .play-btn svg { transform: scale(1); }
.video-duration {
  position: absolute; bottom: 8px; right: 10px;
  background: rgba(0,0,0,0.75); color: #fff;
  font-size: 0.75rem; padding: 2px 8px; border-radius: 4px;
}
.video-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--primary); color: #fff;
  font-size: 0.72rem; font-weight: 600; padding: 3px 10px; border-radius: 10px;
}
.video-info { padding: 14px 16px 16px; }
.video-info h3 {
  font-size: 0.95rem; font-weight: 600; color: var(--text-main);
  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: 0.8rem; color: var(--text-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-category {
  display: inline-block; background: rgba(255,61,127,0.1);
  color: var(--primary); font-size: 0.75rem; padding: 2px 10px;
  border-radius: 10px; margin-bottom: 8px;
}

/* ---- 分类导航 ---- */
.cat-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.cat-tab {
  padding: 8px 20px; border-radius: 24px;
  font-size: 0.88rem; font-weight: 500; cursor: pointer;
  border: 1.5px solid var(--border); background: #fff; color: var(--text-muted);
  transition: var(--transition);
}
.cat-tab:hover, .cat-tab.active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}

/* ---- 专家卡片 ---- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: #fff; border-radius: var(--radius);
  padding: 28px 20px; text-align: center;
  box-shadow: var(--card-shadow); transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.expert-avatar {
  width: 88px; height: 88px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 14px;
  border: 3px solid var(--primary-light);
}
.expert-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.expert-card .role { color: var(--primary); font-size: 0.85rem; margin-bottom: 10px; }
.expert-card p { color: var(--text-muted); font-size: 0.82rem; line-height: 1.6; margin-bottom: 14px; }
.expert-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 14px; }
.expert-tag {
  background: var(--bg-section); color: var(--text-muted);
  font-size: 0.72rem; padding: 3px 10px; border-radius: 10px;
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 6px 16px; border-radius: 20px; font-size: 0.8rem; font-weight: 500;
  cursor: pointer; transition: var(--transition); border: 1.5px solid var(--primary);
}
.btn-sm.primary { background: var(--primary); color: #fff; }
.btn-sm.outline { background: transparent; color: var(--primary); }
.btn-sm:hover { transform: translateY(-1px); }

/* ---- 评价卡片 ---- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.bf4nygq {
  background: #fff; border-radius: var(--radius);
  padding: 24px; box-shadow: var(--card-shadow);
  border-left: 4px solid var(--primary);
  transition: var(--transition);
}
.bf4nygq:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }
.urllupvk { color: var(--accent); font-size: 1rem; margin-bottom: 10px; }
.ucz5iaaf { color: var(--text-main); font-size: 0.9rem; line-height: 1.7; margin-bottom: 14px; }
.cnvxrrg5 { display: flex; align-items: center; gap: 10px; }
.yh7zeb {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; font-weight: 700; flex-shrink: 0;
}
.kfe7o3 { font-size: 0.88rem; font-weight: 600; }
.ss1jkbf6 { font-size: 0.75rem; color: var(--text-muted); }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--primary); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; cursor: pointer; font-weight: 600; font-size: 0.95rem;
  background: #fff; gap: 12px;
}
.faq-q:hover { background: rgba(255,61,127,0.04); }
.faq-icon {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--bg-section); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: var(--transition); font-size: 1.1rem; color: var(--primary);
}
.faq-item.open .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-a {
  padding: 0 22px; max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.9rem; color: var(--text-muted); line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* ---- 合作品牌 ---- */
.partner-logos {
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: center; align-items: center;
}
.partner-logo {
  background: #fff; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 24px;
  font-size: 0.9rem; font-weight: 600; color: var(--text-muted);
  transition: var(--transition); min-width: 120px; text-align: center;
}
.partner-logo:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* ---- 加入社区步骤 ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.step-card {
  text-align: center; padding: 28px 20px;
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}
.step-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  color: #fff; font-size: 1.3rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step-card p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; }

/* ---- 联系我们 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.contact-card {
  background: #fff; border-radius: var(--radius);
  padding: 28px 22px; box-shadow: var(--card-shadow);
  text-align: center;
}
.contact-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px; font-size: 1.5rem;
}
.contact-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.contact-card p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.7; }
.qr-img { width: 120px; height: 120px; object-fit: cover; border-radius: 8px; margin: 12px auto 0; }

/* ---- 社交分享 ---- */
.rtu4v8 { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.gtcgsvh {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 24px; font-size: 0.88rem; font-weight: 600;
  cursor: pointer; border: none; transition: var(--transition);
}
.gtcgsvh:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.tiqs6x1w { background: #07C160; color: #fff; }
.hatted7f { background: #E6162D; color: #fff; }
.rxhqm { background: #010101; color: #fff; }
.uwlfng { background: #00A1D6; color: #fff; }

/* ---- AI赋能模块 ---- */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.ai-card {
  background: linear-gradient(135deg, var(--secondary) 0%, #2D1B69 100%);
  border-radius: var(--radius); padding: 28px 22px;
  color: #fff; transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.08);
}
.ai-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(168,85,247,0.25); }
.ai-icon { font-size: 2.2rem; margin-bottom: 14px; }
.ai-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.ai-card p { color: rgba(255,255,255,0.7); font-size: 0.88rem; line-height: 1.7; }

/* ---- 底部 ---- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-text { font-size: 1.4rem; margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 0.85rem; line-height: 1.8; color: rgba(255,255,255,0.55); margin-bottom: 16px; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.85rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom {
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.82rem; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.55); margin: 0 8px; }
.footer-bottom a:hover { color: var(--primary); }
.erqt6wa { display: flex; gap: 20px; margin-top: 12px; }
.yjbgyda { text-align: center; }
.yjbgyda img { width: 80px; height: 80px; border-radius: 6px; }
.yjbgyda p { font-size: 0.72rem; color: rgba(255,255,255,0.45); margin-top: 6px; }

/* ---- 面包屑 ---- */
.breadcrumb {
  background: var(--bg-section);
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* ---- 分页 ---- */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 40px; }
.page-btn {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--border); font-size: 0.88rem; cursor: pointer;
  transition: var(--transition); background: #fff; color: var(--text-muted);
}
.page-btn:hover, .page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- 标签云 ---- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  background: var(--bg-section); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 5px 14px; font-size: 0.82rem;
  color: var(--text-muted); cursor: pointer; transition: var(--transition);
}
.tag-item:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- 统计数字 ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}
.stat-box {
  text-align: center; padding: 28px 16px;
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}
.stat-box .num { font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-box .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* ---- 内页Banner ---- */
.page-banner {
  background: linear-gradient(135deg, var(--secondary) 0%, #2D1B69 100%);
  padding: 60px 0;
  text-align: center;
  color: #fff;
}
.page-banner h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 12px; }
.page-banner p { color: rgba(255,255,255,0.75); font-size: 1rem; }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #fff; padding: 12px 20px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); z-index: 999; }
  .menu-toggle { display: block; }
  .header-search { display: none; }
  .site-header { position: sticky; }
  .hero { min-height: 380px; }
  .hero-content h1 { font-size: 1.8rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .section { padding: 48px 0; }
  .hero-stats { gap: 20px; }
  .adnwdhqs { padding: 12px 0; }
}
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .video-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
}

/* ---- 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-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }

/* ---- 懒加载占位 ---- */
img[loading="lazy"] { background: var(--bg-section); }

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

/* ---- 内页侧边栏 ---- */
.page-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; }
.sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card { background: #fff; border-radius: var(--radius); padding: 22px; box-shadow: var(--card-shadow); }
.sidebar-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--primary); display: inline-block; }
@media (max-width: 900px) { .page-layout { grid-template-columns: 1fr; } .sidebar { display: none; } }

/* ---- 视频播放弹窗 ---- */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.85); z-index: 9999;
  align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal-content {
  background: #111; border-radius: var(--radius);
  width: 90%; max-width: 800px; padding: 20px;
  position: relative;
}
.modal-close {
  position: absolute; top: -14px; right: -14px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary); color: #fff; border: none;
  font-size: 1.1rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.modal-video { width: 100%; aspect-ratio: 16/9; background: #000; border-radius: 8px; }

/* ---- 直播标签 ---- */
.live-badge {
  display: inline-flex; align-items: center; gap: 5px;
  background: #E6162D; color: #fff;
  font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 10px;
}
.live-dot {
  width: 7px; height: 7px; border-radius: 50%; background: #fff;
  animation: blink 1.2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ---- 特色内容卡片 ---- */
.feature-card {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px; background: #fff; border-radius: var(--radius);
  box-shadow: var(--card-shadow); transition: var(--transition);
}
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }
.feature-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.feature-text h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.feature-text p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; }

/* ---- 更新时效栏 ---- */
.mfd5fxwi {
  background: linear-gradient(90deg, #0F0F1A 0%, #1a0a2e 100%);
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255,61,127,0.2);
}
.mfd5fxwi a { color: var(--primary-light); margin: 0 4px; }
.mfd5fxwi a:hover { color: var(--primary); }
.mfd5fxwi .q6vsery {
  display: inline-block; width: 7px; height: 7px;
  background: var(--primary); border-radius: 50%;
  margin-right: 8px; animation: pulse 1.5s infinite;
}
.mfd5fxwi .odv4u3u1 { float: right; color: rgba(255,255,255,0.4); }
.o2rruvfq {
  background: #E6162D; color: #fff; font-size: 0.7rem;
  font-weight: 700; padding: 1px 6px; border-radius: 4px;
  animation: pulse 1.2s infinite;
}

/* ---- 影视传媒分类导航 ---- */
.z9kdx {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-bottom: 8px;
}
.ecz55zm8 {
  background: var(--card-bg, #fff);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  display: block;
}
.ecz55zm8:hover {
  border-color: var(--primary);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-3px);
}
.gh6i6hfw { font-size: 2rem; display: block; margin-bottom: 8px; }
.ecz55zm8 h3 { font-size: 0.88rem; font-weight: 700; margin-bottom: 4px; color: var(--text-main); }
.ecz55zm8 p { font-size: 0.75rem; color: var(--text-muted); }
@media (max-width: 900px) { .z9kdx { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .z9kdx { grid-template-columns: repeat(2, 1fr); } }

/* ---- 娱乐专区卡片 ---- */
.d0wj6cg {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.ozupa1h {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.ozupa1h:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.uv5xqler {
  padding: 24px 20px 20px;
  color: #fff;
  text-align: center;
}
.r1k6tjf5 { font-size: 2.4rem; display: block; margin-bottom: 10px; }
.uv5xqler h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.uv5xqler p { font-size: 0.8rem; color: rgba(255,255,255,0.75); }
.hve7k { padding: 16px 20px; flex: 1; }
.hve7k li { margin-bottom: 8px; }
.hve7k a { font-size: 0.85rem; color: var(--text-muted); transition: var(--transition); }
.hve7k a:hover { color: var(--primary); }
.om3n8n87 {
  display: block; text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  color: #fff; font-size: 0.85rem; font-weight: 600;
  padding: 12px; margin: 0 20px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.om3n8n87:hover { opacity: 0.9; transform: scale(1.02); }
@media (max-width: 900px) { .d0wj6cg { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .d0wj6cg { grid-template-columns: 1fr; } }

/* ---- 分类标签切换 ---- */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-tab {
  padding: 7px 18px; border-radius: 20px;
  border: 1.5px solid var(--border);
  background: #fff; font-size: 0.85rem;
  color: var(--text-muted); cursor: pointer;
  transition: var(--transition);
}
.cat-tab:hover, .cat-tab.active {
  background: var(--primary); color: #fff;
  border-color: var(--primary);
}

/* ---- 社区功能卡片 ---- */
.community-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.cf-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--card-shadow);
  display: flex;
  gap: 20px;
  transition: var(--transition);
}
.cf-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }
.cf-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; flex-shrink: 0;
}
.cf-body { flex: 1; }
.cf-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.cf-body h4 { font-size: 0.82rem; color: var(--primary); font-weight: 600; margin-bottom: 8px; }
.cf-body p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
.cf-features { padding-left: 0; }
.cf-features li { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 4px; }
.cf-link { font-size: 0.85rem; color: var(--primary); font-weight: 600; }
.cf-link:hover { text-decoration: underline; }
@media (max-width: 768px) { .community-features-grid { grid-template-columns: 1fr; } }

/* ---- 弹幕演示区 ---- */
.danmu-demo { margin-top: 40px; }
.danmu-screen {
  background: linear-gradient(135deg, #0F0F1A, #1a0a2e);
  border-radius: var(--radius);
  padding: 32px 24px 20px;
  position: relative;
  overflow: hidden;
  min-height: 180px;
  border: 1px solid rgba(255,61,127,0.2);
}
.danmu-bg-text {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: rgba(255,255,255,0.06);
  font-size: 2rem; font-weight: 800;
  white-space: nowrap; pointer-events: none;
  user-select: none;
}
.danmu-container {
  position: relative; height: 100px; overflow: hidden;
  margin-bottom: 16px;
}
.danmu-item {
  position: absolute; white-space: nowrap;
  color: #fff; font-size: 0.88rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  animation: danmuMove linear forwards;
  pointer-events: none;
}
@keyframes danmuMove {
  from { transform: translateX(100vw); }
  to { transform: translateX(-120%); }
}
.danmu-input-row {
  display: flex; gap: 10px;
}
.danmu-input {
  flex: 1; background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm); padding: 10px 16px;
  color: #fff; font-size: 0.88rem;
  outline: none;
}
.danmu-input::placeholder { color: rgba(255,255,255,0.4); }
.danmu-input:focus { border-color: var(--primary); }
.danmu-send-btn {
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  color: #fff; border: none; border-radius: var(--radius-sm);
  padding: 10px 20px; font-size: 0.88rem; font-weight: 600;
  cursor: pointer; transition: var(--transition);
}
.danmu-send-btn:hover { opacity: 0.9; transform: scale(1.03); }

/* ---- 合作品牌 ---- */
.partner-logos {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
}
.partner-logo {
  background: #fff; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 28px;
  font-size: 0.9rem; font-weight: 600; color: var(--text-muted);
  transition: var(--transition);
}
.partner-logo:hover { border-color: var(--primary); color: var(--primary); }

/* ---- 信任模块 ---- */
.yz55fc7h { background: var(--bg-section); }
.estmk8 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ys0m0x5 {
  background: #fff; border-radius: var(--radius);
  padding: 24px; box-shadow: var(--card-shadow);
  text-align: center; transition: var(--transition);
}
.ys0m0x5:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }
.m3f33c { font-size: 2.2rem; margin-bottom: 12px; }
.ys0m0x5 h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.ys0m0x5 h4 { font-size: 0.78rem; color: var(--text-muted); font-weight: 500; margin-bottom: 8px; }
.ys0m0x5 p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; }
@media (max-width: 768px) { .estmk8 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .estmk8 { grid-template-columns: 1fr; } }

/* ---- 视频标签 ---- */
.video-desc {
  font-size: 0.8rem; color: var(--text-muted);
  line-height: 1.6; margin: 6px 0 8px;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.video-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.vtag {
  background: rgba(255,61,127,0.08); color: var(--primary);
  font-size: 0.72rem; padding: 2px 9px; border-radius: 12px;
  border: 1px solid rgba(255,61,127,0.2);
  transition: var(--transition);
}
.vtag:hover { background: var(--primary); color: #fff; }

/* ---- 侧边栏视频列表 ---- */
.sidebar-video-item {
  display: flex; gap: 10px; margin-bottom: 14px; cursor: pointer;
}
.sidebar-video-item img {
  width: 80px; height: 52px; object-fit: cover;
  border-radius: 6px; flex-shrink: 0;
}
.sidebar-video-title {
  font-size: 0.82rem; font-weight: 600;
  line-height: 1.4; margin-bottom: 4px;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.sidebar-video-views { font-size: 0.75rem; color: var(--text-muted); }
.sidebar-card h4 {
  font-size: 0.95rem; font-weight: 700;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 2px solid var(--primary); display: inline-block;
}

/* ---- 回到顶部 ---- */
.back-to-top {
  position: fixed; bottom: 28px; right: 24px;
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(255,61,127,0.35);
  opacity: 0; transform: translateY(20px);
  transition: var(--transition); z-index: 999;
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); }

/* ---- 标签云（精选页大版） ---- */
.tag-cloud-item {
  display: inline-block;
  background: var(--bg-section); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 6px 16px;
  color: var(--text-muted); transition: var(--transition);
  cursor: pointer;
}
.tag-cloud-item:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.tag-cloud-item.tag-large { font-size: 1rem; font-weight: 700; padding: 8px 20px; }
.tag-cloud-item.tag-medium { font-size: 0.88rem; }
.tag-cloud-item.tag-small { font-size: 0.78rem; }

/* ---- 脉冲动画 ---- */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.live-dot {
  display: inline-block; width: 8px; height: 8px;
  background: #fff; border-radius: 50%;
  margin-right: 4px; animation: pulse 1s infinite;
}

/* ---- 搜索栏 ---- */
.adnwdhqs {
  background: linear-gradient(135deg, #1A1A2E 0%, #2D1B69 100%);
  padding: 16px 0;
}
.n79cfm4c { display: flex; justify-content: center; margin-bottom: 10px; }
.search-big {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 30px; padding: 10px 16px;
}
.search-big input {
  flex: 1; background: transparent; border: none;
  color: #fff; font-size: 0.9rem; outline: none;
}
.search-big input::placeholder { color: rgba(255,255,255,0.5); }
.search-big button {
  background: var(--primary); color: #fff; border: none;
  border-radius: 20px; padding: 7px 18px;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  transition: var(--transition);
}
.search-big button:hover { background: var(--primary-dark); }
.h8hl1ov2 { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.h8hl1ov2 a {
  color: rgba(255,255,255,0.65); font-size: 0.8rem;
  padding: 3px 10px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.15);
  transition: var(--transition);
}
.h8hl1ov2 a:hover { color: #fff; border-color: var(--primary); background: rgba(255,61,127,0.15); }

/* ---- 导航搜索 ---- */
.header-search {
  display: flex; align-items: center;
  background: var(--bg-section); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 6px 14px; gap: 8px;
  max-width: 220px;
}
.header-search input {
  border: none; background: transparent;
  font-size: 0.85rem; outline: none; width: 100%;
}
.header-search button { background: none; border: none; cursor: pointer; color: var(--text-muted); }

/* ---- 步骤卡片 ---- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.step-card {
  background: #fff; border-radius: var(--radius);
  padding: 28px 20px; text-align: center;
  box-shadow: var(--card-shadow); transition: var(--transition);
  border-top: 3px solid var(--primary);
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  color: #fff; font-size: 1.3rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.step-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.7; }
@media (max-width: 768px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .steps-grid { grid-template-columns: 1fr; } }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff; border-radius: var(--radius-sm);
  margin-bottom: 12px; box-shadow: var(--card-shadow);
  overflow: hidden;
}
.faq-q {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; cursor: pointer; font-weight: 600;
  font-size: 0.92rem; transition: var(--transition);
}
.faq-q:hover { color: var(--primary); }
.faq-icon { font-size: 1.2rem; color: var(--primary); transition: var(--transition); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  display: none; padding: 0 22px 18px;
  font-size: 0.87rem; color: var(--text-muted); line-height: 1.8;
}
.faq-item.open .faq-a { display: block; }

/* ---- 评价卡片 ---- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.bf4nygq {
  background: #fff; border-radius: var(--radius);
  padding: 24px; box-shadow: var(--card-shadow);
  border-left: 3px solid var(--primary);
  transition: var(--transition);
}
.bf4nygq:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }
.urllupvk { color: #FFB800; font-size: 1rem; margin-bottom: 10px; }
.ucz5iaaf { font-size: 0.87rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 14px; }
.cnvxrrg5 { display: flex; align-items: center; gap: 10px; }
.yh7zeb {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent2));
  color: #fff; font-size: 1rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.kfe7o3 { font-size: 0.88rem; font-weight: 700; }
.ss1jkbf6 { font-size: 0.75rem; color: var(--text-muted); }
@media (max-width: 900px) { .review-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .review-grid { grid-template-columns: 1fr; } }

/* ---- 联系卡片 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.contact-card {
  background: #fff; border-radius: var(--radius);
  padding: 28px 20px; text-align: center;
  box-shadow: var(--card-shadow); transition: var(--transition);
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }
.contact-icon { font-size: 2.2rem; margin-bottom: 12px; }
.contact-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; }
.contact-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.9; }
.qr-img { width: 100px; height: 100px; border-radius: 8px; margin: 12px auto 0; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---- 分享按钮 ---- */
.rtu4v8 { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.gtcgsvh {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: 24px;
  border: 1.5px solid var(--border); background: #fff;
  font-size: 0.88rem; font-weight: 600; cursor: pointer;
  transition: var(--transition);
}
.gtcgsvh:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.tiqs6x1w:hover { border-color: #07C160; color: #07C160; }
.hatted7f:hover { border-color: #E6162D; color: #E6162D; }
.rxhqm:hover { border-color: #010101; color: #010101; }
.uwlfng:hover { border-color: #00A1D6; color: #00A1D6; }

/* ---- 专家卡片 ---- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.expert-card {
  background: #fff; border-radius: var(--radius);
  padding: 28px 20px; text-align: center;
  box-shadow: var(--card-shadow); transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.expert-avatar { width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 14px; object-fit: cover; }
.expert-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.role { font-size: 0.78rem; color: var(--primary); font-weight: 600; margin-bottom: 8px; }
.expert-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
.expert-tags { display: flex; flex-wrap: wrap; gap: 5px; justify-content: center; margin-bottom: 12px; }
.expert-tag {
  background: rgba(255,61,127,0.08); color: var(--primary);
  font-size: 0.72rem; padding: 2px 9px; border-radius: 12px;
  border: 1px solid rgba(255,61,127,0.2);
}
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm {
  padding: 6px 14px; border-radius: 16px;
  font-size: 0.78rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); border: 1.5px solid;
}
.btn-sm.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-sm.outline { background: transparent; color: var(--text-muted); border-color: var(--border); }
.btn-sm:hover { opacity: 0.85; transform: scale(1.04); }
@media (max-width: 900px) { .expert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .expert-grid { grid-template-columns: 1fr; } }