/* 主题变量 */
:root {
  --bg: #0b1b2b;
  --bg-soft: #10263a;
  --text: #e6edf5;
  --muted: #b7c2d0;
  --brand: #cda35f; /* 金色，契合修仙题材 */
  --accent: #5fc2c9;
  --card: #13283e;
  --border: #1f3a56;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

/* 基础样式 */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
a { color: var(--text); text-decoration: none; }
.container { width: min(1100px, 92vw); margin: 0 auto; }
.section { padding: 56px 0; }
.lead { color: var(--muted); font-size: 1.1rem; }

/* 头部导航 */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11,27,43,.9); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border); }
.header-wrap { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.logo img { width: 32px; height: 32px; }
.nav-list { display: flex; gap: 20px; list-style: none; padding: 0; margin: 0; }
.nav-list a { padding: 8px 12px; border-radius: 6px; }
.nav-list a:hover, .nav-list a.active { background: var(--bg-soft); border: 1px solid var(--border); }
.nav-toggle { display: none; background: transparent; color: var(--text); font-size: 22px; border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; }

/* 主视觉 */
.hero { position: relative; min-height: 60vh; display: grid; place-items: center; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; filter: brightness(.6) contrast(1.1); }
.hero-content { position: relative; text-align: center; padding: 80px 0; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0 0 10px; color: var(--brand); }
.subtitle { color: var(--muted); }
.cta { display: flex; gap: 12px; justify-content: center; margin-top: 20px; }
.btn { display: inline-block; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-soft); color: var(--text); }
.btn.primary { background: linear-gradient(135deg, #cda35f, #b48943); color: #111; border: none; }
.btn:hover { filter: brightness(1.05); }

/* 卡片、网格、列表 */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; box-shadow: var(--shadow); }
.highlight { border-color: var(--brand); }
.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.grid.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-list { padding-left: 18px; }
.feature-list li { margin-bottom: 8px; }

/* 图集与视频 */
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.gallery img { width: 100%; height: 180px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }
.video-wrap { position: relative; padding-top: 56.25%; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; }

/* 团队与时间线 */
.team .avatar { height: 120px; border-radius: 12px; background: linear-gradient(135deg, #143050, #0b1b2b); border: 1px solid var(--border); margin-bottom: 10px; }
.timeline { border-left: 2px solid var(--border); padding-left: 18px; }
.timeline .time { color: var(--brand); font-weight: 600; margin-right: 8px; }

/* 地图占位 */
.map-placeholder { height: 220px; display: grid; place-items: center; border: 1px dashed var(--border); border-radius: 12px; color: var(--muted); }

/* 页脚 */
.site-footer { border-top: 1px solid var(--border); background: rgba(11,27,43,.8); margin-top: 32px; }
.footer-wrap { display: flex; align-items: flex-start; justify-content: space-between; padding: 20px 0; }
.footer-links { display: flex; gap: 12px; }
.copyright { border-top: 1px solid var(--border); padding: 10px 0 20px; color: var(--muted); }

/* 响应式 */
@media (max-width: 900px) {
  .grid.two { grid-template-columns: 1fr; }
  .grid.three { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .header-wrap { padding: 10px 0; }
  .nav-toggle { display: inline-block; }
  .nav-list { position: absolute; top: 58px; right: 4vw; flex-direction: column; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px; padding: 10px; width: min(260px, 88vw); display: none; }
  .nav-list.open { display: flex; }
  .grid.three { grid-template-columns: 1fr; }
  .gallery img { height: 160px; }
}