/* 全局a标签去除下划线 */
a { text-decoration: none !important; }
a:hover { text-decoration: none !important; }

:root {
  --bg: #FAFAF7;
  --bg2: #FFFFFF;
  --ink: #1A2E1A;
  --muted: #5C6B5C;
  --rule: #E0E5E0;
  --accent: #2D7A4F;
  --accent-light: rgba(45, 122, 79, 0.08);
  --accent2: #D4A04C;
  --accent2-light: rgba(212, 160, 76, 0.1);
  --radius: 16px;
  --radius-sm: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans CJK SC', 'WenQuanYi Micro Hei', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }

/* 顶部导航 */
.top-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: #ffffff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
  transition: box-shadow 0.3s ease;
}
.top-navbar.scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}
.top-navbar-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top-navbar-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.top-navbar-logo img {
  height: 58px;
  width: auto;
  display: block;
}
.top-navbar-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.top-navbar-menu a {
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}
.top-navbar-menu a:hover {
  color: var(--accent);
}
.top-navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s;
}
.top-navbar-menu a:hover::after,
.top-navbar-menu a.active::after {
  width: 100%;
}
.top-navbar-menu a.active {
  color: var(--accent);
  font-weight: 600;
}
.top-navbar-cta {
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  border-radius: 50px;
  text-decoration: none;
  transition: background 0.2s;
}
.top-navbar-cta:hover {
  background: #256a43;
}
.top-navbar-phone {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  margin-right: 0.75rem;
}
.top-navbar-phone:hover {
  color: var(--accent);
}
.top-navbar-phone-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}
.top-navbar-right {
  display: flex;
  align-items: center;
}
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--ink);
  padding: 0.3rem;
}

/* 页面头部 */
.page-header {
  background: linear-gradient(135deg, rgba(26, 74, 46, 0.85) 0%, rgba(45, 122, 79, 0.75) 100%),
              url('/images/harvest.jpg') center/cover no-repeat;
  color: #fff; padding: calc(76px + 4rem) 1.25rem 4rem; text-align: center;
  position: relative;
}
.page-header h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.page-header p { opacity: 0.85; font-size: 1rem; }
.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  margin-top: 0.75rem;
}
.breadcrumb a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb .sep {
  opacity: 0.5;
}
.breadcrumb .current {
  color: #fff;
  font-weight: 500;
}

/* 容器 */
.container { max-width: 800px; margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 3rem 0; }
.section-title { font-size: 1.6rem; text-align: center; margin-bottom: 0.5rem; }
.section-divider { width: 48px; height: 3px; background: var(--accent); border-radius: 2px; margin: 0.75rem auto 2rem; }

/* 介绍卡片 */
.intro-card {
  background: var(--bg2); border-radius: var(--radius);
  padding: 2rem; box-shadow: 0 4px 30px rgba(0,0,0,0.06);
  border: 1px solid var(--rule); margin-bottom: 2rem;
}
.intro-card h3 { color: var(--accent); margin-bottom: 1rem; font-size: 1.3rem; }
.intro-card p { margin-bottom: 1rem; color: var(--muted); line-height: 1.9; }

/* 理念 */
.philosophy-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.philosophy-item {
  background: var(--bg2); border-radius: var(--radius-sm);
  padding: 1.5rem 1rem; text-align: center; border: 1px solid var(--rule);
}
.philosophy-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.philosophy-item h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.philosophy-item p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

/* 发展历程 */
.timeline {
  position: relative; padding-left: 2rem;
}
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 8px; bottom: 8px;
  width: 2px; background: var(--rule);
}
.timeline-item { position: relative; margin-bottom: 2rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -2rem; top: 4px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
}
.timeline-year {
  font-weight: 700; color: var(--accent); margin-bottom: 0.3rem;
}
.timeline-item h4 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.timeline-item p { font-size: 0.9rem; color: var(--muted); }

/* 媒体报道 */
.endorse-section { background: var(--bg2); }
.endorse-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.endorse-card {
  background: var(--bg); border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.5rem 3.5rem;
  border: 1px solid var(--rule); position: relative;
}
.endorse-card::before {
  content: '"'; position: absolute; left: 0.75rem; top: 0.25rem;
  font-size: 3rem; font-weight: 700; color: var(--accent); opacity: 0.25; line-height: 1;
}
.endorse-card .source {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  color: var(--accent); background: var(--accent-light);
  padding: 0.2rem 0.7rem; border-radius: 50px; margin-bottom: 0.6rem;
}
.endorse-card .quote {
  font-size: 0.9rem; color: var(--ink); line-height: 1.8; margin-bottom: 0.4rem;
}
.endorse-card .cite { font-size: 0.78rem; color: var(--muted); }
.endorse-card .cite strong { color: var(--accent2); }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--accent), #1a5a35);
  text-align: center; padding: 3rem 1.25rem;
}
.cta-section h2 { color: #fff; font-size: 1.6rem; margin-bottom: 1rem; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-bottom: 1.5rem; }
.cta-btn {
  display: inline-block; background: #fff; color: var(--accent);
  font-size: 1rem; font-weight: 700; padding: 0.85rem 2.5rem;
  border-radius: 50px; text-decoration: none;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

/* 页脚 */
footer {
  background: var(--ink); color: rgba(255,255,255,0.5);
  text-align: center; padding: 2rem 1.25rem; font-size: 0.8rem; line-height: 1.7;
}
footer strong { color: rgba(255,255,255,0.8); }
footer a { color: rgba(255,255,255,0.6); margin: 0 0.5rem; }

@media (max-width: 768px) {
  .top-navbar-menu {
    display: none;
  }
  .top-navbar-menu.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 1rem 1.25rem;
    gap: 0;
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  .top-navbar-menu.mobile-open li {
    border-bottom: 1px solid var(--rule);
  }
  .top-navbar-menu.mobile-open li:last-child {
    border-bottom: none;
  }
  .top-navbar-menu.mobile-open a {
    display: block;
    padding: 0.85rem 0;
    font-size: 0.95rem;
  }
  .top-navbar-menu.mobile-open a::after {
    display: none;
  }
  .top-navbar-menu a {
    font-size: 0.85rem;
  }
  .top-navbar-cta {
    display: none;
  }
  .top-navbar-phone {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .philosophy-grid { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 1.5rem; }
  .section { padding: 2rem 0; }
  .section-title { font-size: 1.3rem; }
}