:root {
  --bg: #F9F6F0;
  --card: #FFFFFF;
  --text: #2C2A25;
  --text-muted: #6B655B;
  --accent: #8C6A3A;
  --accent-hover: #A47D4A;
  --border: #E8E2D8;
  --shadow: 0 2px 12px rgba(44, 42, 37, 0.06);
  --shadow-hover: 0 8px 24px rgba(44, 42, 37, 0.12);
  --font-serif: "Noto Serif SC", "Georgia", "Songti SC", serif;
  --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --gold: #8C6A3A;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
::selection { background: var(--accent); color: #fff; }
body { background: var(--bg); color: var(--text); font-family: var(--font-sans); line-height: 1.65; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--accent); text-decoration: none; transition: 0.2s; }
a:hover { color: var(--accent-hover); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; width: 100%; }

/* ✅ 磨砂玻璃导航核心升级 */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 250, 245, 0.72);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(140, 106, 58, 0.15);
  box-shadow: 0 1px 6px rgba(44, 42, 37, 0.04);
}
.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  padding: 0 2px;
}
.logo { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 600; color: var(--accent); letter-spacing: 3px; }
.nav-links a { color: var(--text); margin-left: 28px; font-size: 0.9rem; font-weight: 500; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1.5px; background: var(--accent); transition: 0.3s; }
.nav-links a:hover::after { width: 100%; }
.menu-toggle { display: none; background: none; border: none; color: var(--accent); font-size: 1.5rem; cursor: pointer; }

main { padding: 56px 0 96px; flex: 1; }
h1, h2, h3 { font-family: var(--font-serif); color: var(--accent); }
h1 { font-size: 2rem; margin-bottom: 18px; font-weight: 600; letter-spacing: 0.5px; }
h2 { font-size: 1.4rem; margin: 36px 0 14px; }
p { color: var(--text); margin-bottom: 12px; }
.meta { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 8px; display: flex; gap: 12px; align-items: center; }
.tag { display: inline-block; background: var(--border); color: var(--accent); padding: 2px 8px; border-radius: 4px; font-size: 0.72rem; letter-spacing: 0.5px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; margin-top: 28px; }
.card { background: var(--card); border: 1px solid var(--border); padding: 26px; border-radius: 10px; box-shadow: var(--shadow); transition: transform 0.25s, box-shadow 0.25s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: 9px 18px; border-radius: 6px; font-weight: 500; margin-top: 14px; border: none; cursor: pointer; font-size: 0.88rem; letter-spacing: 0.3px; }
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.btn-outline:hover { background: rgba(140, 106, 58, 0.08); }

footer { border-top: 1px solid var(--border); padding: 36px 0; text-align: center; color: var(--text-muted); font-size: 0.82rem; }
.footer-links { margin-top: 10px; }
.footer-links a { color: var(--text-muted); margin: 0 10px; font-size: 0.78rem; }
.footer-links a:hover { color: var(--accent); }

pre { background: #F7F4EE; padding: 14px; border-radius: 6px; margin-top: 12px; font-size: 0.84rem; color: #4A453E; overflow-x: auto; white-space: pre-wrap; border: 1px solid var(--border); }

@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); flex-direction: column; padding: 18px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .nav-links.active { display: flex; }
  .nav-links a { margin: 14px 0; }
  .menu-toggle { display: block; }
  h1 { font-size: 1.7rem; }
}

/* ✅ 内页通用页头 */
.page-header {
  padding: 52px 0 36px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.page-header h1 {
  font-size: 2.2rem;
  color: var(--text);
  letter-spacing: 4px;
  margin-bottom: 10px;
}
.page-subtitle {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-muted);
  letter-spacing: 1.5px;
}

/* ✅ 往期研讨单列布局 */
.past-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 0;
}
.past-card h3 {
  font-size: 1.18rem;
  margin: 10px 0 12px;
  line-height: 1.4;
}
.past-summary {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0;
}
.past-card-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.past-card-actions .btn { margin-top: 0; }
.transcript-pre {
  display: none;
  background: #F7F4EE;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px 20px;
  margin-top: 16px;
  font-size: 0.84rem;
  line-height: 1.8;
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 420px;
  overflow-y: auto;
}

/* ✅ 议题预告详情行 */
.event-meta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
  margin: 14px 0;
  font-size: 0.88rem;
}
.event-meta-row p { margin-bottom: 0; color: var(--text-muted); }
.event-meta-row strong { color: var(--accent); }
.backup-note {
  font-size: 0.84rem;
  color: var(--text-muted);
  border-top: 1px dashed var(--border);
  padding-top: 10px;
  margin-top: 4px;
}
.backup-note strong { color: var(--accent); }

/* ✅ 剪影图片卡片 */
.gallery-caption { font-weight: 500; color: var(--text); margin-bottom: 4px; }
.gallery-sub { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 0; }
.gallery-quote {
  border-left: 2px solid var(--accent);
  padding-left: 10px;
  margin: 10px 0 0;
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ✅ 关于页三栏卡片 */
.about-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); align-items: stretch; }
.about-card h3 { font-family: var(--font-serif); font-size: 1.05rem; color: var(--accent); margin-bottom: 14px; letter-spacing: 0.5px; }
.about-card p { font-family: var(--font-sans); font-size: 0.92rem; color: var(--text-muted); line-height: 1.85; margin-bottom: 0; }
.about-list { list-style: none; padding: 0; margin: 0; }
.about-list li { font-family: var(--font-sans); font-size: 0.92rem; color: var(--text-muted); line-height: 1.85; padding-left: 1em; position: relative; }
.about-list li::before { content: '·'; position: absolute; left: 0; color: var(--accent); font-weight: 600; }

/* ✅ 基金页企业卡片链接 */
.fund-name-link {
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  transition: color 0.2s;
}
.fund-name-link:hover { color: var(--accent); }
.fund-card-inner { text-align: center; }
.fund-card-inner:hover { transform: none; }

/* ✅ 首页 Hero 区排版重构 */
.hero {
  text-align: center;
  padding: 96px 0 48px;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 6px;
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero-desc {
  font-family: var(--font-sans);
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.9;
  max-width: 640px;
  margin: 0 auto 32px;
  letter-spacing: 0.8px;
}
.hero-tagline {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 56px;
  text-transform: uppercase;
}
.hero-tagline .divider {
  color: var(--border);
  font-weight: 300;
  padding: 0 2px;
}
.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.hero-grid .card {
  text-align: left;
  padding: 24px;
}
.hero-grid .card h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.hero-grid .card .meta {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .hero { padding: 64px 0 32px; }
  .hero-title { font-size: 1.9rem; letter-spacing: 3px; }
  .hero-desc { font-size: 0.95rem; line-height: 1.8; }
  .hero-tagline { flex-wrap: wrap; gap: 6px; font-size: 0.75rem; }
}