/* =====================================================
   糖心Vlog 官网主样式
   复古摄影·怀旧胶片·文艺摄影美学风格
   ===================================================== */

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

/* CSS变量 */
:root {
  --cream: #f5f0e8;
  --warm-white: #faf7f2;
  --beige: #e8dcc8;
  --amber: #c8a96e;
  --dark-amber: #9a7a45;
  --brown: #5c3d2e;
  --dark-brown: #3a2518;
  --warm-orange: #d4845a;
  --dark-red: #8b3a3a;
  --light-gray: #b8b0a4;
  --text-dark: #2c1f14;
  --text-medium: #5a4535;
  --text-light: #8a7060;
  --shadow: rgba(60, 30, 10, 0.15);
  --film-grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
}

/* 全局重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Serif SC', 'STSong', 'SimSun', serif;
  background-color: var(--warm-white);
  color: var(--text-dark);
  line-height: 1.8;
  overflow-x: hidden;
}

/* 胶片颗粒全局纹理叠加 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: var(--film-grain);
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
}

/* 链接 */
a {
  color: var(--dark-amber);
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover { color: var(--warm-orange); }

/* 图片 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =====================================================
   顶部导航
   ===================================================== */
.site-header {
  background: var(--dark-brown);
  border-bottom: 2px solid var(--amber);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  border: 2px solid var(--dark-amber);
  box-shadow: 0 0 10px rgba(200,169,110,0.4);
}

.logo-text {
  color: var(--cream);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.logo-sub {
  color: var(--amber);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  display: block;
  font-weight: 300;
}

/* 主导航 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  color: var(--beige);
  font-size: 0.88rem;
  padding: 8px 14px;
  border-radius: 4px;
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(200,169,110,0.2);
  color: var(--amber);
}

/* 汉堡菜单（移动端） */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--beige);
  transition: all 0.3s ease;
}

/* =====================================================
   搜索框
   ===================================================== */
.search-bar-wrap {
  background: var(--dark-brown);
  padding: 10px 20px;
  border-bottom: 1px solid rgba(200,169,110,0.2);
}

.search-bar-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 10px 50px 10px 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(200,169,110,0.4);
  border-radius: 30px;
  color: var(--cream);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.search-input::placeholder { color: var(--light-gray); }

.search-input:focus {
  border-color: var(--amber);
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 15px rgba(200,169,110,0.2);
}

.search-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--amber);
  border: none;
  border-radius: 50%;
  width: 34px;
  height: 34px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-brown);
  font-size: 1rem;
  transition: background 0.3s;
}

.search-btn:hover { background: var(--warm-orange); }

/* 搜索提示弹窗 */
.search-tip {
  display: none;
  position: absolute;
  top: 110%;
  left: 0;
  right: 0;
  background: var(--dark-brown);
  border: 1px solid var(--amber);
  border-radius: 8px;
  padding: 12px 18px;
  color: var(--light-gray);
  font-size: 0.85rem;
  z-index: 100;
}

.search-bar-inner:focus-within .search-tip { display: block; }

/* =====================================================
   首屏Banner
   ===================================================== */
.hero-banner {
  position: relative;
  height: 85vh;
  min-height: 500px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: sepia(0.3) brightness(0.75);
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-banner:hover .hero-bg { transform: scale(1.0); }

/* 胶片边框效果 */
.hero-banner::before,
.hero-banner::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 40px;
  background: repeating-linear-gradient(
    90deg,
    var(--dark-brown) 0px,
    var(--dark-brown) 18px,
    transparent 18px,
    transparent 30px
  );
  z-index: 2;
}

.hero-banner::before { top: 0; }
.hero-banner::after { bottom: 0; }

/* 暗角效果 */
.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(30,15,5,0.7) 100%);
  z-index: 1;
}

/* 胶片颗粒叠加 */
.hero-grain {
  position: absolute;
  inset: 0;
  background-image: var(--film-grain);
  opacity: 0.12;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--cream);
  padding: 0 20px;
  max-width: 800px;
}

.hero-tag {
  display: inline-block;
  background: rgba(200,169,110,0.25);
  border: 1px solid var(--amber);
  color: var(--amber);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--beige);
  margin-bottom: 36px;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--amber);
  color: var(--dark-brown);
  padding: 13px 32px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: 2px solid var(--amber);
  transition: all 0.3s ease;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary:hover {
  background: var(--warm-orange);
  border-color: var(--warm-orange);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200,169,110,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--cream);
  padding: 13px 32px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 2px solid rgba(255,255,255,0.5);
  transition: all 0.3s ease;
  cursor: pointer;
  font-family: inherit;
}

.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

/* =====================================================
   通用区块样式
   ===================================================== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--cream);
}

.section-dark {
  background: var(--dark-brown);
  color: var(--cream);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--dark-brown);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.section-dark .section-title { color: var(--cream); }

.section-desc {
  color: var(--text-light);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.9;
}

.section-dark .section-desc { color: var(--light-gray); }

/* 分割线 */
.divider {
  width: 60px;
  height: 2px;
  background: var(--amber);
  margin: 16px auto;
}

/* =====================================================
   视频卡片
   ===================================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.video-card {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--beige);
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(60,30,10,0.2);
}

.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  background: var(--dark-brown);
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.4s ease;
  filter: sepia(0.2);
}

/* 悬停播放按钮 */
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30,15,5,0);
  transition: background 0.4s ease;
  z-index: 2;
}

.play-icon {
  width: 60px;
  height: 60px;
  background: rgba(200,169,110,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.7);
  transition: all 0.4s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.play-icon::after {
  content: '';
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--dark-brown);
  margin-left: 4px;
}

.video-thumb:hover .video-play-btn {
  background: rgba(30,15,5,0.5);
}

.video-thumb:hover .play-icon {
  opacity: 1;
  transform: scale(1);
}

.video-thumb:hover img {
  transform: scale(1.05);
  filter: sepia(0.5) contrast(1.1);
}

/* 胶片颗粒悬停效果 */
.video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--film-grain);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
  pointer-events: none;
}

.video-thumb:hover::after { opacity: 0.3; }

/* 暗角悬停效果 */
.video-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(30,15,5,0) 100%);
  transition: background 0.4s ease;
  z-index: 1;
  pointer-events: none;
}

.video-thumb:hover::before {
  background: radial-gradient(ellipse at center, transparent 40%, rgba(30,15,5,0.5) 100%);
}

/* 视频时长标签 */
.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(30,15,5,0.8);
  color: var(--cream);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 3px;
  z-index: 3;
  letter-spacing: 0.05em;
}

/* 视频卡片信息 */
.video-info {
  padding: 16px 18px;
}

.video-category {
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.video-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--dark-brown);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--text-light);
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* =====================================================
   图片画廊
   ===================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.4s ease;
  filter: sepia(0.2) saturate(0.9);
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: sepia(0.4) saturate(1.1) contrast(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30,15,5,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-caption {
  color: var(--cream);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* =====================================================
   品牌故事
   ===================================================== */
.story-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-img-wrap {
  position: relative;
}

.story-img-wrap img {
  width: 100%;
  border-radius: 4px;
  filter: sepia(0.2);
  box-shadow: 8px 8px 30px rgba(60,30,10,0.3);
}

.story-img-wrap::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: 12px;
  bottom: 12px;
  border: 2px solid var(--amber);
  border-radius: 4px;
  z-index: -1;
}

.story-content h3 {
  font-size: 1.6rem;
  color: var(--dark-brown);
  margin-bottom: 16px;
  line-height: 1.4;
}

.story-content p {
  color: var(--text-medium);
  line-height: 2;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.story-stats {
  display: flex;
  gap: 30px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--beige);
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--amber);
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  letter-spacing: 0.1em;
}

/* =====================================================
   AI滤镜模块
   ===================================================== */
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.ai-content h3 {
  font-size: 1.6rem;
  color: var(--cream);
  margin-bottom: 16px;
}

.ai-content p {
  color: var(--light-gray);
  line-height: 2;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-tag {
  background: rgba(200,169,110,0.15);
  border: 1px solid rgba(200,169,110,0.4);
  color: var(--amber);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  transition: all 0.3s;
  cursor: pointer;
}

.filter-tag:hover {
  background: rgba(200,169,110,0.3);
  border-color: var(--amber);
}

.ai-img-wrap img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

/* =====================================================
   达人模块
   ===================================================== */
.creators-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.creator-card {
  text-align: center;
  padding: 30px 20px;
  background: #fff;
  border-radius: 6px;
  border: 1px solid var(--beige);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.creator-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--shadow);
}

.creator-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin: 0 auto 16px;
  overflow: hidden;
  border: 3px solid var(--amber);
  box-shadow: 0 4px 15px rgba(200,169,110,0.3);
}

.creator-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(0.15);
}

.creator-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark-brown);
  margin-bottom: 4px;
}

.creator-role {
  font-size: 0.8rem;
  color: var(--amber);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.creator-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
}

.creator-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--beige);
  font-size: 0.78rem;
  color: var(--text-light);
}

/* =====================================================
   用户评价
   ===================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.review-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(200,169,110,0.2);
  border-radius: 6px;
  padding: 24px;
  transition: border-color 0.3s;
}

.review-card:hover {
  border-color: rgba(200,169,110,0.5);
}

.review-stars {
  color: var(--amber);
  font-size: 0.9rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  color: var(--light-gray);
  font-size: 0.9rem;
  line-height: 1.9;
  margin-bottom: 16px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-brown);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.review-name {
  color: var(--cream);
  font-size: 0.88rem;
  font-weight: 600;
}

.review-date {
  color: var(--light-gray);
  font-size: 0.75rem;
}

/* =====================================================
   FAQ
   ===================================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--beige);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--dark-brown);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
  transition: color 0.3s;
}

.faq-question:hover { color: var(--amber); }

.faq-icon {
  width: 22px;
  height: 22px;
  border: 1px solid var(--amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--amber);
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer { max-height: 300px; }

.faq-answer p {
  padding: 0 0 20px;
  color: var(--text-medium);
  font-size: 0.9rem;
  line-height: 1.9;
}

/* =====================================================
   合作伙伴
   ===================================================== */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.partner-item {
  background: var(--cream);
  border: 1px solid var(--beige);
  border-radius: 6px;
  padding: 16px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-medium);
  letter-spacing: 0.05em;
  transition: all 0.3s;
}

.partner-item:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

/* =====================================================
   联系模块
   ===================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.contact-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(200,169,110,0.2);
  border-radius: 8px;
  padding: 30px 24px;
  text-align: center;
}

.contact-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.contact-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 8px;
}

.contact-info {
  font-size: 0.88rem;
  color: var(--light-gray);
  line-height: 1.8;
}

.qrcode-placeholder {
  width: 100px;
  height: 100px;
  background: var(--amber);
  border-radius: 8px;
  margin: 12px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--dark-brown);
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* =====================================================
   页脚
   ===================================================== */
.site-footer {
  background: #1a0f08;
  border-top: 2px solid var(--amber);
  padding: 50px 0 30px;
  color: var(--light-gray);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  color: var(--amber);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--light-gray);
}

.footer-col h4 {
  color: var(--cream);
  font-size: 0.9rem;
  margin-bottom: 14px;
  letter-spacing: 0.08em;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: var(--light-gray);
  font-size: 0.83rem;
  transition: color 0.3s;
}

.footer-col ul li a:hover { color: var(--amber); }

.footer-bottom {
  border-top: 1px solid rgba(200,169,110,0.15);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}

.footer-copy { color: var(--light-gray); }

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--light-gray);
  font-size: 0.8rem;
}

.footer-links a:hover { color: var(--amber); }

.update-time {
  color: rgba(200,169,110,0.6);
  font-size: 0.78rem;
}

/* =====================================================
   内页 Banner
   ===================================================== */
.inner-banner {
  background: var(--dark-brown);
  padding: 60px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.inner-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--film-grain);
  opacity: 0.08;
}

.inner-banner h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--cream);
  position: relative;
  z-index: 1;
  letter-spacing: 0.05em;
}

.inner-banner p {
  color: var(--light-gray);
  margin-top: 10px;
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.breadcrumb {
  background: var(--cream);
  padding: 12px 0;
  border-bottom: 1px solid var(--beige);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 0.83rem;
  color: var(--text-light);
}

.breadcrumb-list li:not(:last-child)::after {
  content: '›';
  margin-left: 8px;
  color: var(--amber);
}

.breadcrumb-list a { color: var(--text-medium); }
.breadcrumb-list a:hover { color: var(--amber); }

/* =====================================================
   文章列表
   ===================================================== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.article-card {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--beige);
  transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--shadow);
}

.article-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(0.15);
  transition: transform 0.5s, filter 0.4s;
}

.article-card:hover .article-thumb img {
  transform: scale(1.05);
  filter: sepia(0.35);
}

.article-body {
  padding: 18px 20px;
}

.article-tag {
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.article-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-brown);
  margin-bottom: 8px;
  line-height: 1.5;
}

.article-excerpt {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--beige);
  font-size: 0.78rem;
  color: var(--text-light);
}

/* =====================================================
   懒加载占位
   ===================================================== */
.lazy-img {
  background: var(--beige);
  min-height: 200px;
}

/* =====================================================
   响应式
   ===================================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark-brown);
    flex-direction: column;
    padding: 16px;
    border-top: 1px solid rgba(200,169,110,0.2);
    gap: 4px;
  }

  .main-nav.open { display: flex; }

  .nav-toggle { display: flex; }

  .site-header { position: relative; }

  .story-layout,
  .ai-layout { grid-template-columns: 1fr; gap: 30px; }

  .creators-grid { grid-template-columns: 1fr 1fr; }

  .contact-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }

  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-banner { height: 65vh; }

  .section { padding: 50px 0; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .video-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .creators-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .story-stats { gap: 16px; }
}

/* =====================================================
   动画
   ===================================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.7s ease forwards;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 滚动动画 */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}