/* ============================================================
   91网 · 新中式国风美学 · 主样式表
   ============================================================ */

/* ---- 字体与根变量 ---- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;500;600;700&display=swap');

:root {
  --ink-black:   #1a1a1a;
  --deep-black:  #0d0d0d;
  --vermillion:  #c0392b;
  --gold:        #c9a84c;
  --gold-light:  #e8c96a;
  --rice-white:  #f5f0e8;
  --jade-green:  #4a7c6f;
  --jade-light:  #6aab9c;
  --warm-gray:   #8a8278;
  --paper:       #faf6ef;
  --shadow-ink:  rgba(26,26,26,0.6);
  --font-serif:  'Noto Serif SC', 'STSong', 'SimSun', serif;
  --font-sans:   'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition:  0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ---- 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-serif);
  background: var(--deep-black);
  color: var(--rice-white);
  line-height: 1.8;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--deep-black); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

/* ============================================================
   顶部导航
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,168,76,0.25);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.site-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--vermillion), var(--gold));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}
.main-nav { display: flex; align-items: center; gap: 0; }
.main-nav a {
  padding: 0 1rem;
  font-size: 0.9rem;
  color: var(--rice-white);
  letter-spacing: 0.05em;
  transition: color var(--transition);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 50%; right: 50%;
  height: 1px;
  background: var(--gold);
  transition: left var(--transition), right var(--transition);
}
.main-nav a:hover, .main-nav a.active { color: var(--gold); }
.main-nav a:hover::after, .main-nav a.active::after { left: 1rem; right: 1rem; }
.nav-toggle { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--gold); transition: var(--transition); }

/* ---- 搜索框 ---- */
.search-bar-wrap {
  background: rgba(26,26,26,0.95);
  border-bottom: 1px solid rgba(201,168,76,0.15);
  padding: 0.6rem 2rem;
  display: flex;
  justify-content: center;
  margin-top: 64px;
}
.search-bar {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 640px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(201,168,76,0.35);
  border-radius: 2px;
  overflow: hidden;
}
.search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 0.55rem 1rem;
  color: var(--rice-white);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}
.search-bar input::placeholder { color: var(--warm-gray); }
.search-bar button {
  background: var(--gold);
  border: none;
  padding: 0.55rem 1.2rem;
  color: var(--deep-black);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-serif);
  letter-spacing: 0.05em;
  transition: background var(--transition);
}
.search-bar button:hover { background: var(--gold-light); }

/* ============================================================
   首屏 Banner
   ============================================================ */
.hero-banner {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-banner .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero-banner:hover .hero-bg { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(13,13,13,0.3) 0%,
    rgba(13,13,13,0.55) 50%,
    rgba(13,13,13,0.85) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 860px;
}
.hero-tag {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  padding: 0.3rem 1.2rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--rice-white);
  text-shadow: 0 2px 20px rgba(0,0,0,0.6);
  margin-bottom: 1rem;
}
.hero-title em {
  font-style: normal;
  color: var(--gold);
}
.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: rgba(245,240,232,0.8);
  margin-bottom: 2.5rem;
  letter-spacing: 0.08em;
}
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  background: var(--vermillion);
  color: #fff;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--vermillion);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateX(-100%);
  transition: transform var(--transition);
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary span { position: relative; z-index: 1; }
.btn-secondary {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  background: transparent;
  color: var(--gold);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--gold);
  transition: all var(--transition);
}
.btn-secondary:hover { background: var(--gold); color: var(--deep-black); }

/* ---- 墨粒子动画 ---- */
.ink-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}
.ink-particle {
  position: absolute;
  width: 4px; height: 4px;
  background: rgba(201,168,76,0.4);
  border-radius: 50%;
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(-10vh) scale(1.5); opacity: 0; }
}

/* ============================================================
   通用区块
   ============================================================ */
.section { padding: 5rem 2rem; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  color: var(--rice-white);
  line-height: 1.3;
  margin-bottom: 0.8rem;
}
.section-title em { font-style: normal; color: var(--gold); }
.section-desc {
  font-size: 0.95rem;
  color: var(--warm-gray);
  max-width: 560px;
  margin: 0 auto;
  letter-spacing: 0.04em;
}
.divider {
  width: 60px; height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 1.2rem auto;
}

/* ============================================================
   视频卡片
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.video-card {
  background: rgba(26,26,26,0.8);
  border: 1px solid rgba(201,168,76,0.15);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(201,168,76,0.15);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }

/* 水墨晕染覆盖层 */
.ink-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center,
    rgba(13,13,13,0) 0%,
    rgba(13,13,13,0.3) 60%,
    rgba(13,13,13,0.7) 100%
  );
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-card:hover .ink-overlay { opacity: 1; }

/* 鎏金光影效果 */
.ink-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%,
    rgba(201,168,76,0.18) 0%,
    transparent 65%
  );
  animation: goldShimmer 2s ease-in-out infinite alternate;
}
@keyframes goldShimmer {
  0%   { opacity: 0.4; transform: scale(0.95); }
  100% { opacity: 1;   transform: scale(1.05); }
}

/* 播放按钮 */
.play-btn {
  position: relative;
  z-index: 2;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(201,168,76,0.9);
  display: flex; align-items: center; justify-content: center;
  transform: scale(0.6);
  opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
  box-shadow: 0 0 20px rgba(201,168,76,0.5);
}
.play-btn::after {
  content: '';
  width: 0; height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--deep-black);
  margin-left: 4px;
}
.video-card:hover .play-btn { transform: scale(1); opacity: 1; }

/* 视频标签 */
.video-badge {
  position: absolute;
  top: 0.6rem; left: 0.6rem;
  background: var(--vermillion);
  color: #fff;
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.05em;
  z-index: 3;
}
.video-duration {
  position: absolute;
  bottom: 0.5rem; right: 0.6rem;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  z-index: 3;
}
.video-info { padding: 1rem 1.1rem 1.2rem; }
.video-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--rice-white);
  margin-bottom: 0.5rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--warm-gray);
}
.video-meta span { display: flex; align-items: center; gap: 0.3rem; }

/* ============================================================
   内容卡片
   ============================================================ */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.content-card {
  background: rgba(26,26,26,0.7);
  border: 1px solid rgba(201,168,76,0.12);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.content-card:hover {
  transform: translateY(-3px);
  border-color: rgba(201,168,76,0.4);
}
.content-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.content-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.content-card:hover .content-card-img img { transform: scale(1.05); }
.content-card-body { padding: 1.1rem 1.2rem 1.3rem; }
.content-card-tag {
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}
.content-card-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--rice-white);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}
.content-card-desc {
  font-size: 0.82rem;
  color: var(--warm-gray);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.content-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(201,168,76,0.1);
  font-size: 0.75rem;
  color: var(--warm-gray);
}
.card-stats { display: flex; gap: 0.8rem; }
.card-stats span { display: flex; align-items: center; gap: 0.25rem; }

/* ============================================================
   品牌故事模块
   ============================================================ */
.story-section { background: rgba(20,18,15,0.95); }
.story-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.story-img { position: relative; }
.story-img img {
  width: 100%;
  border: 1px solid rgba(201,168,76,0.2);
}
.story-img::before {
  content: '';
  position: absolute;
  top: -12px; left: -12px;
  right: 12px; bottom: 12px;
  border: 1px solid rgba(201,168,76,0.25);
  pointer-events: none;
}
.story-text h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--rice-white);
  margin-bottom: 1.2rem;
  line-height: 1.4;
}
.story-text h2 em { font-style: normal; color: var(--gold); }
.story-text p {
  font-size: 0.92rem;
  color: rgba(245,240,232,0.75);
  line-height: 2;
  margin-bottom: 1rem;
}
.story-quote {
  border-left: 3px solid var(--vermillion);
  padding: 0.8rem 1.2rem;
  margin: 1.5rem 0;
  background: rgba(192,57,43,0.06);
  font-size: 0.95rem;
  color: var(--rice-white);
  font-style: italic;
  letter-spacing: 0.04em;
}

/* ============================================================
   AI 模块
   ============================================================ */
.ai-section {
  background: linear-gradient(135deg, rgba(13,13,13,0.98) 0%, rgba(20,30,25,0.98) 100%);
  position: relative;
  overflow: hidden;
}
.ai-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 60%; height: 200%;
  background: radial-gradient(ellipse, rgba(74,124,111,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.ai-features { display: flex; flex-direction: column; gap: 1.2rem; }
.ai-feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.2rem;
  background: rgba(74,124,111,0.08);
  border: 1px solid rgba(74,124,111,0.2);
  transition: border-color var(--transition);
}
.ai-feature-item:hover { border-color: var(--jade-light); }
.ai-icon {
  width: 40px; height: 40px;
  background: rgba(74,124,111,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--jade-light);
}
.ai-feature-item h4 {
  font-size: 0.9rem;
  color: var(--rice-white);
  margin-bottom: 0.3rem;
}
.ai-feature-item p { font-size: 0.8rem; color: var(--warm-gray); line-height: 1.6; }
.ai-img img { width: 100%; border: 1px solid rgba(74,124,111,0.25); }

/* ============================================================
   达人模块
   ============================================================ */
.creator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}
.creator-card {
  text-align: center;
  padding: 1.8rem 1rem;
  background: rgba(26,26,26,0.7);
  border: 1px solid rgba(201,168,76,0.12);
  transition: all var(--transition);
}
.creator-card:hover {
  border-color: rgba(201,168,76,0.4);
  transform: translateY(-3px);
}
.creator-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--vermillion), var(--gold));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  border: 2px solid rgba(201,168,76,0.3);
}
.creator-name {
  font-size: 0.95rem;
  color: var(--rice-white);
  margin-bottom: 0.3rem;
}
.creator-title {
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}
.creator-desc { font-size: 0.78rem; color: var(--warm-gray); line-height: 1.6; }

/* ============================================================
   用户评价
   ============================================================ */
.reviews-section { background: rgba(18,15,12,0.98); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.review-card {
  padding: 1.5rem;
  background: rgba(26,26,26,0.8);
  border: 1px solid rgba(201,168,76,0.1);
  position: relative;
}
.review-card::before {
  content: '\201C';
  position: absolute;
  top: 0.5rem; left: 1rem;
  font-size: 3rem;
  color: rgba(201,168,76,0.15);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-stars { color: var(--gold); font-size: 0.85rem; margin-bottom: 0.8rem; }
.review-text {
  font-size: 0.88rem;
  color: rgba(245,240,232,0.8);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.review-author { display: flex; align-items: center; gap: 0.8rem; }
.review-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--jade-green), var(--vermillion));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: 0.85rem; color: var(--rice-white); }
.review-date { font-size: 0.75rem; color: var(--warm-gray); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(201,168,76,0.12);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 1.2rem 0;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--rice-white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  letter-spacing: 0.03em;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--gold); }
.faq-icon {
  width: 20px; height: 20px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  font-size: 0.88rem;
  color: var(--warm-gray);
  line-height: 1.9;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 1.2rem; }

/* ============================================================
   合作伙伴
   ============================================================ */
.partner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.partner-logo {
  width: 140px; height: 60px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  color: var(--warm-gray);
  letter-spacing: 0.08em;
  transition: all var(--transition);
}
.partner-logo:hover {
  border-color: rgba(201,168,76,0.4);
  color: var(--gold);
  background: rgba(201,168,76,0.05);
}

/* ============================================================
   联系模块
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 2rem;
}
.contact-item {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(26,26,26,0.7);
  border: 1px solid rgba(201,168,76,0.12);
}
.contact-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--gold);
}
.contact-item h4 {
  font-size: 0.95rem;
  color: var(--rice-white);
  margin-bottom: 0.5rem;
}
.contact-item p {
  font-size: 0.85rem;
  color: var(--warm-gray);
  line-height: 1.7;
}
.qr-placeholder {
  width: 100px; height: 100px;
  background: rgba(255,255,255,0.06);
  border: 1px dashed rgba(201,168,76,0.3);
  margin: 0.8rem auto 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
  color: var(--warm-gray);
  letter-spacing: 0.05em;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: rgba(8,8,8,0.99);
  border-top: 1px solid rgba(201,168,76,0.2);
  padding: 2.5rem 2rem 1.5rem;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(201,168,76,0.1);
}
.footer-brand .site-logo { margin-bottom: 0.8rem; }
.footer-brand p {
  font-size: 0.82rem;
  color: var(--warm-gray);
  max-width: 280px;
  line-height: 1.7;
}
.footer-links h5 {
  font-size: 0.82rem;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-links a {
  font-size: 0.8rem;
  color: var(--warm-gray);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--rice-white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--warm-gray);
}
.footer-icp a { color: var(--warm-gray); transition: color var(--transition); }
.footer-icp a:hover { color: var(--gold); }
.footer-social { display: flex; gap: 0.8rem; }
.social-btn {
  width: 30px; height: 30px;
  border: 1px solid rgba(201,168,76,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  color: var(--warm-gray);
  transition: all var(--transition);
}
.social-btn:hover { border-color: var(--gold); color: var(--gold); }

/* ============================================================
   内页 Banner
   ============================================================ */
.page-banner {
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: 64px;
}
.page-banner .page-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
}
.page-banner-content { position: relative; z-index: 2; padding: 0 1.5rem; }
.page-banner-content h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--rice-white);
  margin-bottom: 0.6rem;
}
.page-banner-content h1 em { font-style: normal; color: var(--gold); }
.breadcrumb {
  font-size: 0.82rem;
  color: var(--warm-gray);
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  align-items: center;
}
.breadcrumb a { color: var(--warm-gray); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: rgba(201,168,76,0.5); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
  .story-layout, .ai-grid { grid-template-columns: 1fr; gap: 2rem; }
  .story-img { order: -1; }
}
@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(13,13,13,0.98); padding: 1rem 0; border-bottom: 1px solid rgba(201,168,76,0.2); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 0.7rem 2rem; }
  .nav-toggle { display: flex; }
  .hero-title { font-size: 2rem; }
  .section { padding: 3.5rem 1.2rem; }
  .footer-top { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .video-grid, .content-grid, .reviews-grid { grid-template-columns: 1fr; }
  .creator-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   祥云纹装饰
   ============================================================ */
.cloud-divider {
  text-align: center;
  padding: 1.5rem 0;
  color: rgba(201,168,76,0.3);
  font-size: 1.2rem;
  letter-spacing: 0.5em;
  user-select: none;
}

/* ============================================================
   加载动画
   ============================================================ */
.lazy-img { opacity: 0; transition: opacity 0.5s ease; }
.lazy-img.loaded { opacity: 1; }