/* 红桃视频 - 主样式表 */
/* 温暖治愈·自然生活·人文气息 */

:root {
  --color-primary: #c0392b;
  --color-primary-light: #e74c3c;
  --color-earth: #8B6914;
  --color-terracotta: #c1440e;
  --color-beige: #f5f0e8;
  --color-warm-white: #faf8f4;
  --color-sand: #e8dcc8;
  --color-sage: #7a9e7e;
  --color-text-dark: #3d2b1f;
  --color-text-mid: #6b5344;
  --color-text-light: #9c8070;
  --color-border: #e0d5c5;
  --font-serif: 'Georgia', 'STSong', '宋体', serif;
  --font-sans: 'PingFang SC', 'Microsoft YaHei', '微软雅黑', sans-serif;
  --shadow-soft: 0 4px 20px rgba(61,43,31,0.08);
  --shadow-hover: 0 8px 32px rgba(61,43,31,0.15);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-warm-white);
  color: var(--color-text-dark);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

.section {
  padding: 80px 0;
}

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

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-text-dark);
  text-align: center;
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 56px;
  line-height: 1.7;
}

.section-meta {
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 40px;
  opacity: 0.7;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  letter-spacing: 0.05em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-terracotta));
  color: #fff;
  box-shadow: 0 4px 16px rgba(192,57,43,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(192,57,43,0.4);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250,248,244,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-terracotta));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  padding: 8px 16px;
  color: var(--color-text-mid);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  background: rgba(192,57,43,0.06);
}

.nav-download {
  background: linear-gradient(135deg, var(--color-primary), var(--color-terracotta)) !important;
  color: #fff !important;
  border-radius: 50px !important;
  padding: 8px 20px !important;
}

.nav-download:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== 搜索框 ===== */
.search-bar {
  background: var(--color-beige);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.search-inner {
  display: flex;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  border-radius: 50px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.search-inner input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 20px;
  font-size: 0.9rem;
  background: transparent;
  color: var(--color-text-dark);
  font-family: var(--font-sans);
}

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

.search-btn {
  padding: 10px 20px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.search-btn:hover {
  background: var(--color-terracotta);
}

/* ===== Hero Banner ===== */
.hero {
  position: relative;
  height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(61,43,31,0.55) 0%, rgba(61,43,31,0.2) 60%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  color: #fff;
  padding: 0 24px;
  margin-left: 8%;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.hero p {
  font-size: 1.05rem;
  line-height: 1.8;
  opacity: 0.92;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 生活哲学 ===== */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.philosophy-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.philosophy-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.philosophy-img:hover img {
  transform: scale(1.03);
}

.philosophy-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--color-text-dark);
  margin-bottom: 20px;
  line-height: 1.4;
}

.philosophy-content p {
  color: var(--color-text-mid);
  margin-bottom: 16px;
  line-height: 1.9;
}

.philosophy-quote {
  border-left: 3px solid var(--color-primary);
  padding-left: 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--color-text-mid);
  font-size: 1.05rem;
}

/* ===== 生活场景 ===== */
.scenes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.scene-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: #fff;
  transition: var(--transition);
}

.scene-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.scene-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

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

.scene-tag {
  display: inline-block;
  background: rgba(192,57,43,0.1);
  color: var(--color-primary);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
}

.scene-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.scene-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== 视频卡片 ===== */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.video-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.video-thumb {
  position: relative;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.05);
}

.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .play-btn {
  opacity: 1;
}

.play-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  transition: transform 0.2s ease;
}

.play-icon:hover {
  transform: scale(1.1);
}

.play-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--color-primary);
  margin-left: 3px;
}

.video-type-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 50px;
}

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

.video-card h3 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 8px;
  line-height: 1.5;
}

.video-card p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 14px;
}

.video-stats {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

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

/* ===== 数据统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

/* ===== 匠人 ===== */
.craftsmen-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.craftsman-card {
  display: flex;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.craftsman-card:hover {
  box-shadow: var(--shadow-hover);
}

.craftsman-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-sand);
}

.craftsman-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 4px;
}

.craftsman-role {
  font-size: 0.82rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.craftsman-story {
  font-size: 0.88rem;
  color: var(--color-text-mid);
  line-height: 1.8;
}

/* ===== 媒体报道 ===== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.media-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  border-left: 4px solid var(--color-primary);
  transition: var(--transition);
}

.media-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-hover);
}

.media-source {
  font-size: 0.82rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.media-quote {
  font-size: 0.95rem;
  color: var(--color-text-mid);
  line-height: 1.8;
  font-style: italic;
}

/* ===== 加入我们 ===== */
.join-section {
  background: linear-gradient(135deg, var(--color-text-dark) 0%, #5c3d2e 100%);
  color: #fff;
  text-align: center;
  padding: 100px 0;
}

.join-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.join-section p {
  font-size: 1rem;
  opacity: 0.85;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.join-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  background: #fff;
  color: var(--color-text-dark);
}

.btn-white:hover {
  background: var(--color-beige);
}

/* ===== 用户评论 ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow-hover);
}

.review-stars {
  color: #f39c12;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.92rem;
  color: var(--color-text-mid);
  line-height: 1.8;
  margin-bottom: 16px;
  font-style: italic;
}

.review-author {
  font-size: 0.82rem;
  color: var(--color-text-light);
  font-weight: 500;
}

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

.faq-item {
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

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

.faq-icon {
  width: 24px;
  height: 24px;
  background: var(--color-beige);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--color-text-mid);
  line-height: 1.8;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* ===== 联系 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-text-mid);
  margin-bottom: 28px;
  line-height: 1.8;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  color: var(--color-text-mid);
}

.contact-icon {
  width: 36px;
  height: 36px;
  background: rgba(192,57,43,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-soft);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  color: var(--color-text-mid);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--color-text-dark);
  background: var(--color-warm-white);
  transition: var(--transition);
  font-family: var(--font-sans);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.1);
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

/* ===== 社交分享 ===== */
.social-bar {
  background: var(--color-beige);
  padding: 40px 0;
  text-align: center;
}

.social-title {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: #fff;
  border-radius: 50px;
  text-decoration: none;
  color: var(--color-text-mid);
  font-size: 0.85rem;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.social-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: var(--color-primary);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-text-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo-text {
  color: #fff;
  font-size: 1.2rem;
  display: block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  opacity: 0.7;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 0.82rem;
  opacity: 0.6;
}

.footer-update {
  font-size: 0.82rem;
  opacity: 0.6;
}

/* ===== 视频模态框 ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: #1a1a1a;
  border-radius: var(--radius);
  width: 90%;
  max-width: 800px;
  overflow: hidden;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1;
  opacity: 0.8;
  transition: var(--transition);
}

.modal-close:hover {
  opacity: 1;
}

.modal-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

.modal-info {
  padding: 20px 24px;
  color: rgba(255,255,255,0.8);
}

.modal-info h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 8px;
}

.modal-info p {
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ===== 下载页 ===== */
.download-hero {
  background: linear-gradient(135deg, var(--color-text-dark) 0%, #5c3d2e 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.download-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}

.download-hero p {
  font-size: 1rem;
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto 40px;
}

.download-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-terracotta));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto 16px;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-warm-white);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
  }
  
  .main-nav.open {
    display: flex;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero {
    height: 480px;
  }
  
  .hero-content {
    margin-left: 0;
    padding: 0 24px;
  }
  
  .philosophy-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .scenes-grid,
  .videos-grid {
    grid-template-columns: 1fr;
  }
  
  .craftsmen-grid,
  .media-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  
  .download-steps {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .craftsman-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* ===== 懒加载 ===== */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.4s ease;
}

img.loaded {
  opacity: 1;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.82rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb span {
  margin: 0 8px;
  opacity: 0.5;
}

/* ===== 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);
}