/* =============================================
   爱情岛 官方样式表
   原创设计：玫瑰金+深酒红+珍珠白配色
   影视传媒高端风格
   ============================================= */

/* ---- CSS变量 ---- */
:root {
  --primary: #C8102E;        /* 深酒红 */
  --primary-light: #E8304E;  /* 亮红 */
  --gold: #C9A84C;           /* 玫瑰金 */
  --gold-light: #E8C97A;     /* 浅金 */
  --dark: #0F0A14;           /* 深夜黑 */
  --dark2: #1A1220;          /* 次深色 */
  --dark3: #251830;          /* 卡片背景 */
  --light: #F8F4EF;          /* 珍珠白 */
  --light2: #EDE8E0;         /* 米白 */
  --text: #2D2233;           /* 正文色 */
  --text-muted: #7A6E82;     /* 次要文字 */
  --white: #FFFFFF;
  --gradient: linear-gradient(135deg, #C8102E 0%, #8B0020 50%, #C9A84C 100%);
  --shadow: 0 8px 32px rgba(200,16,46,0.15);
  --shadow-gold: 0 4px 20px rgba(201,168,76,0.25);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  background: var(--light);
  color: var(--text);
  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 { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- 容器 ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- 通用Section样式 ---- */
section {
  padding: 80px 0;
}
.section-dark {
  background: var(--dark);
  color: var(--white);
}
.section-gradient {
  background: var(--gradient);
  color: var(--white);
}
.section-light {
  background: var(--light2);
}

/* ---- Section标题 ---- */
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-head h2 span {
  color: var(--primary);
  position: relative;
}
.section-head.light h2 { color: var(--white); }
.section-head.light h2 span { color: var(--gold-light); }
.section-head p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 16px;
}
.section-head.light p { color: rgba(255,255,255,0.8); }
.more-link {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.more-link:hover { border-color: var(--primary); }

/* ---- 顶部导航 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 10, 20, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,168,76,0.2);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 70px;
}
.header-logo a {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-img {
  width: 48px;
  height: 32px;
  object-fit: contain;
  border-radius: 6px;
}
.logo-text {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.5px;
}
.logo-text em {
  font-style: normal;
  color: var(--gold);
}
.main-nav { flex: 1; }
.main-nav ul {
  display: flex;
  gap: 4px;
  justify-content: center;
}
.main-nav ul li a {
  display: block;
  padding: 8px 14px;
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
}
.main-nav ul li a:hover {
  color: var(--gold-light);
  background: rgba(201,168,76,0.1);
}
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- 搜索框 ---- */
.header-search {
  background: rgba(25, 18, 35, 0.95);
  border-bottom: 1px solid rgba(201,168,76,0.1);
  padding: 10px 24px;
}
.search-wrap {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: 30px;
  overflow: hidden;
  transition: var(--transition);
}
.search-wrap:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}
#searchInput {
  flex: 1;
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
}
#searchInput::placeholder { color: rgba(255,255,255,0.4); }
#searchBtn {
  padding: 10px 18px;
  color: var(--gold);
  transition: var(--transition);
}
#searchBtn:hover { color: var(--white); }
.search-tips {
  max-width: 600px;
  margin: 6px auto 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  padding: 0 20px;
  min-height: 18px;
}

/* ---- Hero Banner ---- */
.hero-bg {
  min-height: 92vh;
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
  position: relative;
  display: flex;
  align-items: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15,10,20,0.88) 0%,
    rgba(200,16,46,0.45) 50%,
    rgba(15,10,20,0.75) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
  color: var(--white);
}
.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--gold-light); }
.breadcrumb .sep { margin: 0 8px; }
.hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.hero-title span {
  color: var(--gold-light);
  display: block;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.85);
  max-width: 680px;
  margin-bottom: 28px;
  line-height: 1.6;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.tag {
  padding: 6px 16px;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.4);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--gold-light);
  font-weight: 500;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--gradient);
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(200,16,46,0.4);
}
.btn-outline {
  display: inline-block;
  padding: 13px 34px;
  border: 2px solid rgba(201,168,76,0.6);
  color: var(--gold-light);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 30px;
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(201,168,76,0.15);
  border-color: var(--gold-light);
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--gold-light);
  line-height: 1;
}
.stat span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
  display: block;
}

/* ---- 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.06);
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(200,16,46,0.15);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,10,20,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .play-overlay { opacity: 1; }
.play-btn {
  width: 54px;
  height: 54px;
  background: rgba(200,16,46,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(200,16,46,0.5);
  transition: var(--transition);
}
.play-btn.large { width: 70px; height: 70px; }
.play-btn svg { width: 22px; height: 22px; margin-left: 4px; }
.play-btn.large svg { width: 28px; height: 28px; }
.play-btn:hover { transform: scale(1.1); }
.video-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
}
.video-dur {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 3px 8px;
  background: rgba(0,0,0,0.75);
  color: var(--white);
  font-size: 0.75rem;
  border-radius: 6px;
  font-weight: 600;
}
.video-info { padding: 18px 20px 20px; }
.video-info h3 {
  font-size: 0.97rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-info h3 a:hover { color: var(--primary); }
.video-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ---- 影视传媒服务 ---- */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.media-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}
.media-item:hover {
  background: rgba(201,168,76,0.06);
  border-color: rgba(201,168,76,0.4);
  transform: translateY(-4px);
}
.media-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.media-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 10px;
}
.media-item p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  margin-bottom: 16px;
}
.media-link {
  font-size: 0.88rem;
  color: var(--gold);
  font-weight: 600;
  transition: var(--transition);
}
.media-link:hover { color: var(--gold-light); letter-spacing: 0.5px; }

/* ---- 娱乐专区 ---- */
.ent-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
}
.video-card.large .video-thumb { aspect-ratio: 16/9; }
.video-card.mini {
  display: flex;
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius);
  align-items: flex-start;
}
.video-card.mini .video-thumb {
  width: 130px;
  min-width: 130px;
  aspect-ratio: 4/3;
  border-radius: 8px;
}
.video-card.mini .video-info {
  padding: 0;
  flex: 1;
}
.video-card.mini .video-info h3 {
  font-size: 0.88rem;
  -webkit-line-clamp: 2;
}
.ent-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---- AI赋能 ---- */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.ai-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}
.ai-card:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.ai-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(255,255,255,0.15);
  line-height: 1;
  margin-bottom: 12px;
}
.ai-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.ai-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
  margin-bottom: 16px;
}
.ai-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ai-tags li {
  padding: 4px 12px;
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.9);
}

/* ---- 社区功能 ---- */
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.comm-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: var(--transition);
  border: 2px solid transparent;
}
.comm-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.comm-icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
}
.comm-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.comm-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---- 专家团队 ---- */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.expert-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.expert-card:hover {
  border-color: rgba(201,168,76,0.5);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}
.expert-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: top;
}
.expert-info { padding: 20px; }
.expert-info h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}
.expert-title {
  font-size: 0.85rem;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 10px;
}
.expert-info p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  margin-bottom: 12px;
}
.expert-awards {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.expert-awards span {
  padding: 3px 10px;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--gold-light);
}
.expert-btns {
  display: flex;
  gap: 10px;
}
.btn-sm {
  display: inline-block;
  padding: 7px 16px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 20px;
  transition: var(--transition);
}
.btn-sm:hover { background: var(--primary-light); }
.btn-sm.outline {
  background: transparent;
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--gold-light);
}
.btn-sm.outline:hover { background: rgba(201,168,76,0.1); }

/* ---- 合作品牌 ---- */
.partners-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.partner-logo {
  padding: 16px 28px;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.partner-logo:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ---- 加入指南 ---- */
.howto-steps {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.step {
  flex: 1;
  min-width: 220px;
  max-width: 300px;
  text-align: center;
  padding: 32px 24px;
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.2);
}
.step-num {
  font-size: 2.8rem;
  font-weight: 900;
  color: rgba(255,255,255,0.2);
  line-height: 1;
  margin-bottom: 12px;
}
.step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.step p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
}
.step-arrow {
  font-size: 1.8rem;
  color: rgba(255,255,255,0.4);
  align-self: center;
  padding-top: 20px;
}

/* ---- 用户评价 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  border-left: 4px solid var(--primary);
  transition: var(--transition);
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.review-stars {
  color: var(--gold);
  font-size: 1.1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.review-card p {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}
.review-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 700;
}
.review-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--white);
}
.faq-q {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 300;
  transition: var(--transition);
}
.faq-q[aria-expanded="true"] { color: var(--primary); }
.faq-q[aria-expanded="true"]::after { content: '−'; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-a.open {
  max-height: 300px;
  padding: 0 24px 18px;
}
.faq-a p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- 联系我们 ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
}
.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gold-light);
  margin-bottom: 24px;
}
.contact-list { display: flex; flex-direction: column; gap: 12px; }
.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.8);
}
.ci-label {
  min-width: 70px;
  color: var(--gold);
  font-weight: 600;
  font-size: 0.85rem;
}
.social-share { margin-top: 32px; }
.social-share h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gold-light);
  margin-bottom: 14px;
}
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.share-btn {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  transition: var(--transition);
}
.share-btn:hover { opacity: 0.85; transform: translateY(-2px); }
.share-btn.wechat { background: #07C160; }
.share-btn.weibo { background: #E6162D; }
.share-btn.douyin { background: #010101; border: 1px solid #69C9D0; }
.share-btn.bilibili { background: #00A1D6; }
.contact-qr {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.qr-item { text-align: center; }
.qr-item img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 12px;
  border: 2px solid rgba(201,168,76,0.3);
  margin-bottom: 8px;
}
.qr-item p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}

/* ---- 页脚 ---- */
.site-footer {
  background: var(--dark);
  border-top: 1px solid rgba(201,168,76,0.15);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 32px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.footer-logo img {
  width: 80px;
  height: 54px;
  object-fit: contain;
}
.footer-logo span {
  font-size: 1rem;
  font-weight: 800;
  color: var(--gold-light);
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.fn-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.fn-col ul { display: flex; flex-direction: column; gap: 8px; }
.fn-col ul li a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.fn-col ul li a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: var(--gold); }
.update-time { color: rgba(255,255,255,0.3) !important; }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .ent-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-logo { flex-direction: row; }
}
@media (max-width: 768px) {
  section { padding: 56px 0; }
  .main-nav { display: none; }
  .main-nav.open {
    display: block;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15,10,20,0.98);
    padding: 20px;
    border-bottom: 1px solid rgba(201,168,76,0.2);
  }
  .main-nav.open ul { flex-direction: column; gap: 4px; }
  .mobile-menu-btn { display: flex; }
  .hero-bg { background-attachment: scroll; min-height: 100vh; }
  .hero-stats { gap: 24px; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .media-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr 1fr; }
  .howto-steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); padding: 0; }
  .footer-nav { grid-template-columns: 1fr 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; }
  .reviews-grid { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .hero-stats { gap: 16px; }
}