/* ========================================
   社会组织网站 - 前端样式
   ======================================== */

:root {
  --primary: #d97706;
  --primary-dark: #b45309;
  --primary-light: #fef3c7;
  --primary-rgb: 217,119,6;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-gray: #f8fafc;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
  --radius: 12px;
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; }

/* --- 导航 --- */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--primary); }
.nav-logo img { height: 36px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 16px; border-radius: 8px;
  color: var(--text-light); font-size: 15px; font-weight: 500;
  transition: var(--transition);
}
.nav-links a .nav-icon { margin-right: 6px; font-size: 14px; }
.nav-links a:hover, .nav-links a.active {
  color: var(--primary); background: var(--primary-light);
}
.nav-toggle { display: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: var(--transition); border-radius: 2px; }

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; text-align: center;
  padding: 80px 24px 60px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.hero::after {
  content: ''; position: absolute; bottom: -40%; left: -10%;
  width: 400px; height: 400px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 16px; position: relative; }
.hero p { font-size: 1.15rem; opacity: 0.9; max-width: 600px; margin: 0 auto; position: relative; }
.hero-stats {
  display: flex; justify-content: center; gap: 48px;
  margin-top: 40px; position: relative;
}
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2.2rem; font-weight: 800; display: block; }
.hero-stat .label { font-size: 14px; opacity: 0.8; }

/* --- 通用容器 --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-alt { background: var(--bg-gray); }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { font-size: 1.8rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.section-title p { color: var(--text-light); font-size: 15px; }
.section-title .accent { display: inline-block; width: 40px; height: 4px; background: var(--primary); border-radius: 2px; margin-bottom: 16px; }

/* --- 卡片 --- */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.card-icon { font-size: 2.4rem; margin-bottom: 16px; }
.card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 8px; }
.card p { color: var(--text-light); font-size: 14px; line-height: 1.7; }

/* --- 新闻列表 --- */
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 28px;
  transition: var(--transition); cursor: pointer;
}
.news-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.news-item .date { color: var(--primary); font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.news-item h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.news-item p { color: var(--text-light); font-size: 14px; line-height: 1.6; }
.news-item .read-more { display: inline-block; margin-top: 12px; color: var(--primary); font-size: 14px; font-weight: 500; }
.news-item .read-more:hover { color: var(--primary-dark); }

/* --- 关于页 --- */
.about-intro { font-size: 1.1rem; line-height: 1.8; color: var(--text); max-width: 800px; margin: 0 auto; text-align: center; }
.culture-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.culture-card {
  text-align: center; padding: 36px 24px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.culture-card .icon { font-size: 2.8rem; margin-bottom: 16px; }
.culture-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.culture-card p { color: var(--text-light); font-size: 14px; line-height: 1.7; }

/* --- 荣誉卡片 --- */
.honors-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.honor-card {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: var(--transition);
}
.honor-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }
.honor-img {
  width: 80px; height: 80px; border-radius: 10px;
  overflow: hidden; flex-shrink: 0;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
}
.honor-img img { width: 100%; height: 100%; object-fit: cover; }
.honor-img-placeholder { font-size: 2rem; }
.honor-body { flex: 1; min-width: 0; }
.honor-body h4 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.honor-meta { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--text-light); margin-bottom: 8px; }
.honor-meta span { display: inline-flex; align-items: center; gap: 4px; }
.honor-body p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* --- 联系页 --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item .icon { width: 48px; height: 48px; background: var(--primary-light); color: var(--primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.contact-item p { color: var(--text-light); font-size: 14px; }
.wechat-qr { text-align: center; }
.wechat-qr img { width: 180px; height: 180px; border-radius: var(--radius); border: 1px solid var(--border); }

/* --- 二维码网格 --- */
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.qr-grid .wechat-qr h4 { font-size: 15px; font-weight: 600; margin-bottom: 12px; color: var(--text); }

/* --- 页脚 --- */
.footer {
  background: #1e293b; color: #94a3b8; padding: 48px 24px 24px;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer h4 { color: white; font-size: 16px; margin-bottom: 16px; }
.footer p { font-size: 14px; line-height: 1.7; }
.footer a { color: #94a3b8; font-size: 14px; display: block; padding: 3px 0; }
.footer a:hover { color: white; }
.footer-bottom { border-top: 1px solid #334155; padding-top: 20px; text-align: center; font-size: 13px; }

/* --- 响应式 --- */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: white; flex-direction: column; padding: 16px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 1.8rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat .num { font-size: 1.6rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr; }
}

/* --- 加载动画 --- */
.loading { text-align: center; padding: 60px 20px; color: var(--text-light); }
.loading::after { content: ''; display: inline-block; width: 24px; height: 24px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: middle; margin-left: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- 空状态 --- */
.empty { text-align: center; padding: 60px 20px; color: var(--text-light); }
.empty .icon { font-size: 3rem; margin-bottom: 16px; display: block; }

/* --- 按钮 --- */
.btn { display: inline-block; padding: 10px 24px; border-radius: 8px; font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); color: white; }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; }