/* ========================================
   蘑菇影视 - 主样式文件
   风格：高端优雅·轻奢简约·温暖治愈
   色系：浅米白 + 莫兰迪色（奶茶棕、雾蓝、浅杏、豆沙粉）
   ======================================== */

/* ---- CSS 变量 ---- */
:root {
  --color-bg: #faf8f5;
  --color-bg2: #f5f0ea;
  --color-primary: #c4a882;
  --color-primary-dark: #a8896a;
  --color-secondary: #8fa8b8;
  --color-accent: #d4a5a5;
  --color-text: #3d3530;
  --color-text-light: #7a6e68;
  --color-text-muted: #b0a49c;
  --color-border: #e8e0d5;
  --color-white: #ffffff;
  --color-card-bg: #fffdf9;
  --color-morandi-brown: #c4a882;
  --color-morandi-blue: #8fa8b8;
  --color-morandi-apricot: #e8d5c0;
  --color-morandi-pink: #d4a5a5;
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-title: 'PingFang SC', 'STSong', 'SimSun', serif;
  --shadow-soft: 0 4px 24px rgba(196, 168, 130, 0.12);
  --shadow-card: 0 8px 32px rgba(196, 168, 130, 0.15);
  --shadow-hover: 0 16px 48px rgba(196, 168, 130, 0.25);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: all 0.35s 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: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- 粒子呼吸动画 ---- */
@keyframes breathe {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(196, 168, 130, 0.3); }
  50% { box-shadow: 0 0 0 12px rgba(196, 168, 130, 0); }
}

/* ---- 顶部导航 ---- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-soft);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  animation: breathe 4s ease-in-out infinite;
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
  font-family: var(--font-title);
}
.logo-text span { color: var(--color-primary); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  padding: 6px 14px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  background: rgba(196, 168, 130, 0.1);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.btn-join {
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  border-radius: 24px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-join:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(196, 168, 130, 0.4);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- 搜索框 ---- */
.search-bar-wrapper {
  background: var(--color-bg2);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 24px;
  display: flex;
  justify-content: center;
  margin-top: 72px;
}
.search-bar {
  max-width: 640px;
  width: 100%;
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: 32px;
  padding: 8px 20px;
  gap: 10px;
  transition: var(--transition);
  box-shadow: var(--shadow-soft);
}
.search-bar:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(196, 168, 130, 0.15);
}
.search-bar input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.9rem;
  color: var(--color-text);
  font-family: var(--font-main);
}
.search-bar input::placeholder { color: var(--color-text-muted); }
.search-btn {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  transition: var(--transition);
  flex-shrink: 0;
}
.search-btn:hover { transform: scale(1.1); }

/* ---- 通用容器 ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 80px 0;
}
.section-alt {
  background: var(--color-bg2);
}
.section-title {
  text-align: center;
  margin-bottom: 48px;
}
.section-title h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-family: var(--font-title);
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.section-title p {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 480px;
  margin: 0 auto;
}
.section-title .divider {
  width: 48px; height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ---- Banner / Hero ---- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.88);
  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(250, 248, 245, 0.75) 0%,
    rgba(196, 168, 130, 0.15) 50%,
    rgba(143, 168, 184, 0.1) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 0 24px;
  margin-left: 8vw;
  animation: fadeInUp 1s ease both;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(196, 168, 130, 0.15);
  border: 1px solid rgba(196, 168, 130, 0.3);
  color: var(--color-primary-dark);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-family: var(--font-title);
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  border-radius: 32px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(196, 168, 130, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(196, 168, 130, 0.45);
}
.btn-outline {
  padding: 13px 32px;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary-dark);
  border-radius: 32px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  background: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-3px);
}
.hero-stats {
  position: absolute;
  bottom: 48px;
  right: 8vw;
  display: flex;
  gap: 32px;
  z-index: 2;
}
.hero-stat {
  text-align: center;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(8px);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.hero-stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}
.hero-stat span { font-size: 0.8rem; color: var(--color-text-light); }

/* ---- 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg2);
}
.video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img {
  transform: scale(1.08);
}
.video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(61,53,48,0.5) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover .video-thumb::after { opacity: 1; }
.play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.play-btn::after {
  content: '';
  width: 0; height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--color-primary);
  margin-left: 3px;
}
.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.video-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(196, 168, 130, 0.3) 0%, transparent 70%);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}
.video-card:hover .video-glow { opacity: 1; }
.video-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(196, 168, 130, 0.9);
  color: white;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.video-duration {
  position: absolute;
  bottom: 12px; right: 12px;
  background: rgba(0,0,0,0.6);
  color: white;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 6px;
}
.video-info {
  padding: 16px;
}
.video-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ---- 故事卡片 ---- */
.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.story-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.story-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.story-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.story-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.story-card:hover .story-img img { transform: scale(1.05); }
.story-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.story-cat {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.story-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.5;
}
.story-body p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.story-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.story-author { display: flex; align-items: center; gap: 8px; }
.story-author-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
}

/* ---- 影像墙 ---- */
.gallery-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 16px;
}
.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}
.gallery-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  min-height: 200px;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(61,53,48,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span {
  color: white;
  font-size: 0.85rem;
  font-weight: 500;
}

/* ---- AI 模块 ---- */
.ai-section {
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg2) 100%);
  position: relative;
  overflow: hidden;
}
.ai-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(196, 168, 130, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.ai-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.ai-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-hover);
}
.ai-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.ai-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-soft);
  animation: float 3s ease-in-out infinite;
}
.ai-content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-family: var(--font-title);
  color: var(--color-text);
  margin-bottom: 16px;
}
.ai-content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}
.ai-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.ai-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text);
  transition: var(--transition);
}
.ai-feature:hover {
  border-color: var(--color-primary);
  background: rgba(196, 168, 130, 0.05);
}
.ai-feature-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

/* ---- 达人卡片 ---- */
.creators-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.creator-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}
.creator-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}
.creator-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  overflow: hidden;
  border: 3px solid var(--color-morandi-apricot);
  box-shadow: 0 4px 16px rgba(196, 168, 130, 0.25);
}
.creator-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.creator-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}
.creator-role {
  font-size: 0.8rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.creator-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.creator-stats strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 700;
}

/* ---- 评价模块 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
}
.review-card::before {
  content: '\201C';
  position: absolute;
  top: 16px; right: 20px;
  font-size: 3rem;
  color: var(--color-morandi-apricot);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}
.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 12px;
}
.review-stars span { color: var(--color-primary); font-size: 14px; }
.review-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: 16px;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.review-user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.review-user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}
.review-user-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---- FAQ 模块 ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-soft);
}
.faq-q {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  gap: 16px;
  user-select: none;
}
.faq-q:hover { color: var(--color-primary); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--color-bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  transition: var(--transition);
  color: var(--color-primary);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--color-primary); color: white; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-item.open .faq-a {
  max-height: 200px;
  padding: 0 24px 18px;
}
.faq-a p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.75;
}

/* ---- 合作伙伴 ---- */
.partners-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.partner-logo {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-light);
  transition: var(--transition);
}
.partner-logo:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-soft);
}

/* ---- 联系模块 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h3 {
  font-size: 1.4rem;
  font-family: var(--font-title);
  color: var(--color-text);
  margin-bottom: 20px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--color-text-light);
}
.contact-item-icon {
  width: 36px; height: 36px;
  background: rgba(196, 168, 130, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.qrcode-row {
  display: flex;
  gap: 24px;
  margin-top: 24px;
}
.qrcode-box {
  text-align: center;
}
.qrcode-placeholder {
  width: 100px; height: 100px;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 8px;
}
.qrcode-box span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ---- 页脚 ---- */
.site-footer {
  background: #2d2520;
  color: rgba(255,255,255,0.7);
  padding: 56px 0 24px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text { color: white; font-size: 1.3rem; }
.footer-brand .logo-text span { color: var(--color-primary); }
.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-top: 12px;
  color: rgba(255,255,255,0.5);
}
.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--color-primary); }
.footer-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 24px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--color-primary); }
.footer-social {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  color: rgba(255,255,255,0.6);
}
.social-btn:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* ---- 面包屑 ---- */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { color: var(--color-text-light); }

/* ---- 内页 Banner ---- */
.inner-banner {
  background: linear-gradient(135deg, var(--color-bg2) 0%, var(--color-morandi-apricot) 100%);
  padding: 80px 0 60px;
  text-align: center;
  margin-top: 72px;
}
.inner-banner h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-family: var(--font-title);
  color: var(--color-text);
  margin-bottom: 12px;
}
.inner-banner p {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 480px;
  margin: 0 auto;
}

/* ---- 通用文章卡片 ---- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.article-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}
.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}
.article-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.article-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.article-card:hover .article-img img { transform: scale(1.06); }
.article-body {
  padding: 20px;
}
.article-tag {
  display: inline-block;
  background: rgba(196, 168, 130, 0.15);
  color: var(--color-primary-dark);
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}
.article-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.5;
}
.article-body p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.read-more {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 4px;
}
.read-more:hover { color: var(--color-primary-dark); }

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

/* ---- 滚动到顶部 ---- */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(196, 168, 130, 0.4);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  cursor: pointer;
  animation: pulse-glow 2s ease-in-out infinite;
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .ai-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-stats { display: none; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 4px;
    box-shadow: var(--shadow-card);
    z-index: 999;
  }
  .menu-toggle { display: flex; }
  .hero-content { margin-left: 0; padding: 0 20px; }
  .hero h1 { font-size: 2rem; }
  .gallery-wall { grid-template-columns: 1fr 1fr; }
  .gallery-item:first-child { grid-column: span 2; grid-row: span 1; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 56px 0; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .story-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; }
  .creators-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
}