/* =============================================
   香蕉视频 - 主样式文件
   风格：温暖治愈·自然生活·人文气息
   大地色系 · 大量留白 · 手绘质感
   ============================================= */

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

:root {
  --color-primary:   #C8A96E;
  --color-secondary: #E8DCC8;
  --color-accent:    #A67C52;
  --color-bg:        #FAF8F4;
  --color-bg2:       #F3EDE3;
  --color-text:      #3D3530;
  --color-text-light:#7A6E65;
  --color-border:    #E0D5C5;
  --color-white:     #FFFFFF;
  --font-main:       'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
  --radius:          12px;
  --shadow:          0 4px 24px rgba(0,0,0,0.07);
  --transition:      0.3s ease;
}

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

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

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

/* ---- 按钮 ---- */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  outline: none;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200,169,110,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ---- 标签 ---- */
.tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--color-secondary);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
}

/* ---- 更新时间 ---- */
.update-time {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 8px;
}

/* ============================================================
   HEADER / 导航
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250,248,244,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  flex-shrink: 0;
}
.logo img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}
.logo span { color: var(--color-primary); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.92rem;
  color: var(--color-text);
  transition: all var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  background: var(--color-secondary);
  color: var(--color-accent);
}

/* 搜索框 */
.search-wrap {
  display: flex;
  align-items: center;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 6px 16px;
  gap: 8px;
  min-width: 200px;
}
.search-wrap input {
  border: none;
  background: transparent;
  font-size: 0.88rem;
  color: var(--color-text);
  outline: none;
  width: 100%;
}
.search-wrap input::placeholder { color: var(--color-text-light); }
.search-wrap button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-light);
  padding: 0;
  display: flex;
  align-items: center;
}
.search-wrap button:hover { color: var(--color-primary); }

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================================
   BANNER
   ============================================================ */
.banner {
  position: relative;
  height: 580px;
  overflow: hidden;
}
.banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(61,53,48,0.55) 0%, rgba(61,53,48,0.15) 60%, transparent 100%);
  display: flex;
  align-items: center;
}
.banner-content {
  max-width: 600px;
  padding: 0 60px;
  color: #fff;
}
.banner-content .tag {
  background: rgba(255,255,255,0.2);
  color: #fff;
  margin-bottom: 20px;
}
.banner-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.banner-content p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 28px;
  line-height: 1.7;
}
.banner-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   通用 Section 样式
   ============================================================ */
.section { padding: 80px 0; }
.section-alt { background: var(--color-bg2); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .tag { margin-bottom: 14px; }
.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}
.section-header p {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   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);
}
.philosophy-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.philosophy-img:hover img { transform: scale(1.03); }
.philosophy-text h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.4;
}
.philosophy-text p {
  color: var(--color-text-light);
  margin-bottom: 16px;
  font-size: 0.97rem;
}
.philosophy-text .btn { margin-top: 12px; }

/* ============================================================
   视频卡片
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.video-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}
.video-thumb {
  position: relative;
  overflow: hidden;
  height: 180px;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.25);
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn svg {
  width: 52px;
  height: 52px;
  fill: rgba(255,255,255,0.92);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}
.video-info { padding: 16px 18px 18px; }
.video-info h3 {
  font-size: 0.97rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
  line-height: 1.4;
}
.video-meta {
  display: flex;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 8px;
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* 视频弹窗 */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.75);
  align-items: center;
  justify-content: center;
}
.video-modal.active { display: flex; }
.video-modal-inner {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 800px;
  width: 90%;
  position: relative;
}
.video-modal video { width: 100%; display: block; }
.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1.4rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,0.3); }

/* ============================================================
   作品与故事
   ============================================================ */
.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}
.story-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.story-card:hover { transform: translateY(-4px); }
.story-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.story-body { padding: 22px; }
.story-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}
.story-body p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================================
   数据统计
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 40px 20px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.stat-num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ============================================================
   匠人团队
   ============================================================ */
.craftsmen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
}
.craftsman-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform var(--transition);
}
.craftsman-card:hover { transform: translateY(-4px); }
.craftsman-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}
.craftsman-info { padding: 22px; }
.craftsman-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.craftsman-info .role {
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.craftsman-info p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================================
   媒体报道
   ============================================================ */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.media-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-primary);
  transition: transform var(--transition);
}
.media-card:hover { transform: translateY(-3px); }
.media-source {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.media-card h3 {
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 12px;
}
.media-date { font-size: 0.78rem; color: var(--color-text-light); }

/* ============================================================
   用户评论
   ============================================================ */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  position: relative;
}
.review-card::before {
  content: '"';
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 3.5rem;
  color: var(--color-secondary);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-text {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 16px;
  padding-top: 20px;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.review-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
}
.review-name { font-size: 0.88rem; font-weight: 600; color: var(--color-text); }
.review-stars { font-size: 0.75rem; color: #F5A623; margin-top: 2px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  cursor: pointer;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
}
.faq-question:hover { color: var(--color-primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  font-size: 1rem;
  color: var(--color-accent);
}
.faq-item.open .faq-icon {
  background: var(--color-primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 0 20px;
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.8;
}
.faq-item.open .faq-answer { display: block; }

/* ============================================================
   加入我们
   ============================================================ */
.join-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}
.join-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.join-section p {
  font-size: 1rem;
  opacity: 0.9;
  max-width: 520px;
  margin: 0 auto 32px;
}
.join-section .btn {
  background: #fff;
  color: var(--color-accent);
  font-weight: 600;
}
.join-section .btn:hover {
  background: var(--color-secondary);
  transform: translateY(-2px);
}

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.contact-info p {
  color: var(--color-text-light);
  margin-bottom: 28px;
  font-size: 0.97rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}
.contact-item-text strong { display: block; font-size: 0.9rem; margin-bottom: 2px; }
.contact-item-text span { font-size: 0.85rem; color: var(--color-text-light); }

.contact-form { background: var(--color-white); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--color-primary); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============================================================
   社交分享
   ============================================================ */
.social-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.social-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
  transition: all var(--transition);
}
.social-btn:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #2C2420;
  color: rgba(255,255,255,0.75);
  padding: 60px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand .logo span { color: var(--color-primary); }
.footer-brand p { font-size: 0.88rem; line-height: 1.75; max-width: 260px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: var(--color-primary); }

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

@media (max-width: 768px) {
  .header-inner { height: 60px; }
  .main-nav { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--color-bg); padding: 16px; flex-direction: column; border-bottom: 1px solid var(--color-border); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
  .main-nav.open { display: flex; }
  .hamburger { display: flex; }
  .search-wrap { min-width: 0; width: 160px; }
  .banner { height: 420px; }
  .banner-content { padding: 0 24px; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .banner { height: 340px; }
  .banner-content h1 { font-size: 1.5rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .search-wrap { display: none; }
}

/* ---- 懒加载占位 ---- */
img[data-src] { opacity: 0; transition: opacity 0.4s ease; }
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); }