/* 17C 复古摄影美学主样式 */
:root {
  --cream: #f5f0e8;
  --beige: #e8dcc8;
  --warm-brown: #5c3d2e;
  --dark-brown: #2c1a0e;
  --warm-orange: #c8703a;
  --dark-red: #8b2e2e;
  --light-gray: #d4cfc8;
  --text-main: #3a2a1a;
  --text-light: #7a6a5a;
  --gold: #b8963e;
  --film-border: #1a1008;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

/* ===== 胶片颗粒纹理叠加 ===== */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
}

/* ===== 顶部导航 ===== */
.site-header {
  background: var(--dark-brown);
  border-bottom: 2px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-shadow: 0 0 20px rgba(184,150,62,0.4);
  font-family: 'Courier New', monospace;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--beige);
  letter-spacing: 0.2em;
  display: block;
  margin-top: -4px;
  opacity: 0.8;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.main-nav a {
  color: var(--beige);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 6px 12px;
  border-radius: 2px;
  transition: all 0.3s;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--gold);
  background: rgba(184,150,62,0.12);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 1.2rem;
  border-radius: 3px;
}

/* ===== 搜索框 ===== */
.search-bar-wrap {
  background: #1e1208;
  border-bottom: 1px solid rgba(184,150,62,0.3);
  padding: 10px 20px;
}

.search-bar-inner {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(184,150,62,0.4);
  border-radius: 30px;
  overflow: hidden;
  padding: 0 16px;
}

.search-bar-inner input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--beige);
  font-size: 0.9rem;
  padding: 9px 0;
  font-family: inherit;
  letter-spacing: 0.05em;
}

.search-bar-inner input::placeholder { color: rgba(232,220,200,0.4); }

.search-btn {
  background: none;
  border: none;
  color: var(--gold);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 8px;
  transition: opacity 0.2s;
}
.search-btn:hover { opacity: 0.7; }

/* ===== 首屏 Banner ===== */
.hero-banner {
  position: relative;
  height: 92vh;
  min-height: 520px;
  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) contrast(1.1);
  transform: scale(1.04);
  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;
  top: 0; bottom: 0;
  width: 48px;
  background: var(--film-border);
  z-index: 2;
}
.hero-banner::before { left: 0; }
.hero-banner::after { right: 0; }

/* 暗角 */
.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.7) 100%);
  z-index: 3;
}

/* 胶片孔 */
.film-holes {
  position: absolute;
  top: 0; bottom: 0;
  width: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  z-index: 4;
  padding: 20px 0;
}
.film-holes.left { left: 0; }
.film-holes.right { right: 0; }
.film-hole {
  width: 20px;
  height: 14px;
  background: #2a1a08;
  border-radius: 3px;
  border: 1px solid #3a2a18;
}

.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  color: #fff;
  padding: 0 60px;
  max-width: 900px;
}

.hero-tag {
  display: inline-block;
  background: rgba(184,150,62,0.85);
  color: var(--dark-brown);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  padding: 4px 16px;
  margin-bottom: 20px;
  font-weight: 600;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.8);
  letter-spacing: 0.05em;
}

.hero-title .brand { color: var(--gold); }

.hero-sub {
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  opacity: 0.88;
  margin-bottom: 32px;
  letter-spacing: 0.08em;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}

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

.btn-primary {
  background: var(--gold);
  color: var(--dark-brown);
  border: none;
  padding: 13px 32px;
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 600;
  letter-spacing: 0.1em;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
}
.btn-primary:hover { background: #d4a84a; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(184,150,62,0.4); }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.7);
  padding: 13px 32px;
  font-size: 0.95rem;
  font-family: inherit;
  letter-spacing: 0.1em;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

/* ===== 通用区块 ===== */
.section {
  padding: 72px 20px;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  color: var(--warm-orange);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 600;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--dark-brown);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.section-title .brand { color: var(--warm-orange); }

.section-desc {
  color: var(--text-light);
  font-size: 0.95rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.9;
}

.divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 16px auto;
}

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

.video-card {
  background: var(--dark-brown);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  position: relative;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.card-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.4s, transform 0.4s;
  filter: sepia(0.2) brightness(0.9);
}

.video-card:hover .card-thumb img {
  filter: sepia(0.5) brightness(0.75) contrast(1.1);
  transform: scale(1.05);
}

/* 胶片颗粒悬停效果 */
.card-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.video-card:hover .card-thumb::after { opacity: 1; }

/* 暗角悬停 */
.card-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.6) 100%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.video-card:hover .card-vignette { opacity: 1; }

/* 播放按钮 */
.play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  width: 56px; height: 56px;
  background: rgba(184,150,62,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.play-btn::after {
  content: '';
  border-left: 20px solid var(--dark-brown);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 4px;
}
.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* 光晕效果 */
.card-flare {
  position: absolute;
  top: -30%; left: -30%;
  width: 80%; height: 80%;
  background: radial-gradient(circle, rgba(255,200,100,0.3) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s, transform 0.5s;
  pointer-events: none;
  transform: translate(-20%, -20%);
}
.video-card:hover .card-flare {
  opacity: 1;
  transform: translate(10%, 10%);
}

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

.card-category {
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.card-title {
  font-size: 1rem;
  color: var(--cream);
  margin-bottom: 10px;
  line-height: 1.5;
  font-weight: 600;
}

.card-meta {
  display: flex;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--light-gray);
  opacity: 0.8;
}

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

/* ===== 品牌故事 ===== */
.story-section { background: #1e1208; }

.story-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

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

.story-img {
  width: 100%;
  border-radius: 2px;
  filter: sepia(0.25) contrast(1.05);
  box-shadow: 8px 8px 0 var(--gold);
}

.story-img-frame {
  position: absolute;
  inset: -10px;
  border: 1px solid rgba(184,150,62,0.3);
  pointer-events: none;
}

.story-text { color: var(--beige); }
.story-text .section-title { color: var(--cream); }
.story-text .section-desc { color: var(--light-gray); max-width: 100%; }

.story-quote {
  border-left: 3px solid var(--gold);
  padding-left: 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--gold);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ===== 影像墙 ===== */
.gallery-section { background: var(--beige); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 12px;
}

.gallery-item {
  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;
  min-height: 200px;
  filter: sepia(0.15) brightness(0.92);
  transition: filter 0.4s, transform 0.4s;
}

.gallery-item:hover img {
  filter: sepia(0.4) brightness(0.8) contrast(1.1);
  transform: scale(1.04);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.5) 100%);
  opacity: 0;
  transition: opacity 0.4s;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* ===== AI滤镜模块 ===== */
.ai-section { background: var(--dark-brown); }
.ai-section .section-title { color: var(--cream); }
.ai-section .section-desc { color: var(--light-gray); }

.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.ai-img {
  width: 100%;
  border-radius: 4px;
  filter: sepia(0.1);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.ai-features { display: flex; flex-direction: column; gap: 20px; }

.ai-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.ai-icon {
  width: 44px;
  height: 44px;
  background: rgba(184,150,62,0.15);
  border: 1px solid rgba(184,150,62,0.4);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--gold);
}

.ai-feature-text h4 { color: var(--cream); font-size: 0.95rem; margin-bottom: 4px; }
.ai-feature-text p { color: var(--light-gray); font-size: 0.85rem; line-height: 1.7; }

/* ===== 摄影达人 ===== */
.creators-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 28px;
}

.creator-card {
  text-align: center;
  padding: 28px 20px;
  background: #fff;
  border: 1px solid var(--beige);
  transition: box-shadow 0.3s, transform 0.3s;
}

.creator-card:hover {
  box-shadow: 0 8px 30px rgba(92,61,46,0.15);
  transform: translateY(-4px);
}

.creator-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  display: block;
  border: 3px solid var(--gold);
  filter: sepia(0.1);
}

.creator-name { font-size: 1rem; color: var(--dark-brown); font-weight: 600; margin-bottom: 4px; }
.creator-role { font-size: 0.8rem; color: var(--warm-orange); letter-spacing: 0.1em; margin-bottom: 10px; }
.creator-desc { font-size: 0.82rem; 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);
}

.creator-stat { font-size: 0.78rem; color: var(--text-light); }
.creator-stat strong { display: block; font-size: 1rem; color: var(--dark-brown); }

/* ===== 用户评价 ===== */
.reviews-section { background: var(--beige); }

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

.review-card {
  background: var(--cream);
  padding: 24px;
  border-left: 3px solid var(--gold);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: transform 0.3s;
}
.review-card:hover { transform: translateY(-3px); }

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

.review-text {
  font-size: 0.88rem;
  color: var(--text-main);
  line-height: 1.8;
  margin-bottom: 16px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--warm-brown);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream);
  font-size: 0.9rem;
  font-weight: 600;
  flex-shrink: 0;
}

.review-name { font-size: 0.88rem; font-weight: 600; color: var(--dark-brown); }
.review-date { font-size: 0.75rem; color: var(--text-light); }

/* ===== 合作伙伴 ===== */
.partners-section { background: #fff; }

.partners-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 48px;
}

.partner-logo {
  width: 140px;
  height: 64px;
  background: var(--beige);
  border: 1px solid var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  color: var(--text-light);
  letter-spacing: 0.1em;
  transition: border-color 0.3s;
}
.partner-logo:hover { border-color: var(--gold); color: var(--warm-brown); }

/* ===== 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: 18px 0;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--dark-brown);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--gold);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 12px;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.9;
}

.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 18px; }

/* ===== 联系模块 ===== */
.contact-section { background: var(--dark-brown); }
.contact-section .section-title { color: var(--cream); }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.contact-block h4 {
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(184,150,62,0.3);
}

.contact-block p, .contact-block a {
  color: var(--light-gray);
  font-size: 0.85rem;
  line-height: 2;
  text-decoration: none;
  display: block;
}
.contact-block a:hover { color: var(--gold); }

.qr-placeholder {
  width: 100px;
  height: 100px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(184,150,62,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  color: var(--light-gray);
  text-align: center;
  margin-top: 12px;
  letter-spacing: 0.05em;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--film-border);
  border-top: 1px solid rgba(184,150,62,0.3);
  padding: 28px 20px;
  text-align: center;
}

.footer-inner { max-width: 1200px; margin: 0 auto; }

.footer-logo {
  font-size: 1.5rem;
  color: var(--gold);
  font-family: 'Courier New', monospace;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: center;
  margin-bottom: 16px;
  list-style: none;
}

.footer-nav a {
  color: var(--light-gray);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--gold); }

.footer-copy {
  font-size: 0.78rem;
  color: rgba(212,207,200,0.5);
  line-height: 1.8;
}

.footer-copy a { color: rgba(212,207,200,0.5); text-decoration: none; }
.footer-copy a:hover { color: var(--gold); }

/* ===== 内页 Banner ===== */
.inner-banner {
  background: var(--dark-brown);
  padding: 60px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.inner-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  filter: sepia(0.5);
}

.inner-banner-content { position: relative; z-index: 1; }

.inner-banner h1 {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  color: var(--cream);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.inner-banner h1 .brand { color: var(--gold); }

.breadcrumb {
  font-size: 0.82rem;
  color: var(--light-gray);
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--gold); text-decoration: none; }
.breadcrumb span { opacity: 0.5; }

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.page-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--beige);
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.2s;
}
.page-btn:hover, .page-btn.active { background: var(--gold); border-color: var(--gold); color: var(--dark-brown); }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .story-inner { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item:first-child { grid-column: span 1; grid-row: span 1; }
}

@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark-brown); padding: 12px 0; border-top: 1px solid rgba(184,150,62,0.3); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 24px; }
  .nav-toggle { display: block; }
  .hero-banner::before, .hero-banner::after { width: 24px; }
  .film-holes { width: 24px; }
  .film-hole { width: 12px; height: 8px; }
  .hero-content { padding: 0 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .creators-grid { grid-template-columns: 1fr 1fr; }
}

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

/* ===== 懒加载占位 ===== */
img[data-src] { opacity: 0; transition: opacity 0.4s; }
img.loaded { opacity: 1; }

/* ===== 滚动动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }