:root{
  --ink-900:#0c0c0f;
  --ink-850:#121217;
  --ink-800:#17171e;
  --ink-700:#1f1f28;
  --ink-600:#2b2b36;
  --line:#2c2c38;
  --paper:#ece6d8;
  --paper-dim:#a9a296;
  --gold:#c8a45c;
  --gold-soft:#e3c98c;
  --vermilion:#c0392b;
  --vermilion-br:#e2523a;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--ink-900);
  color:var(--paper);
  font-family:var(--sans);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ===== 导航 ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 16px;
  background:rgba(12,12,15,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-weight:700}
.brand-seal{
  display:inline-grid;place-items:center;
  width:30px;height:30px;border-radius:6px;
  background:linear-gradient(145deg,var(--vermilion),#8f2a20);
  color:#fff;font-size:18px;font-weight:700;
  box-shadow:0 2px 10px rgba(192,57,43,.4);
}
.brand-text{font-size:18px;letter-spacing:2px;color:var(--paper)}
.nav-links{display:flex;gap:2px}
.nav-links a{
  padding:7px 11px;font-size:14px;color:var(--paper-dim);
  border-radius:6px;transition:.2s;white-space:nowrap;
}
.nav-links a:hover,.nav-links a.active{color:var(--gold-soft);background:rgba(200,164,92,.1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--paper);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 首屏 ===== */
.events-hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;padding:100px 18px 70px;overflow:hidden;
}
.events-hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 80% at 50% 0%,#1c1c25 0%,var(--ink-900) 60%),
    radial-gradient(80% 60% at 50% 100%,rgba(192,57,43,.12),transparent 70%);
}
.events-hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:22px 22px;opacity:.6;
}
.particles{position:absolute;inset:0;z-index:1;pointer-events:none}
.particle{position:absolute;bottom:-10px;width:6px;height:6px;border-radius:50%;
  background:radial-gradient(circle,var(--gold-soft),rgba(200,164,92,0));
  opacity:0;animation:rise linear infinite}
@keyframes rise{
  0%{transform:translateY(0) scale(.6);opacity:0}
  15%{opacity:.8}
  85%{opacity:.5}
  100%{transform:translateY(-100svh) scale(1.1);opacity:0}
}
.events-hero-inner{position:relative;z-index:2;max-width:680px}
.eyebrow{
  font-size:.78rem;letter-spacing:.35em;color:var(--gold-soft);
  margin-bottom:14px;text-transform:uppercase;
}
.events-title{
  font-family:var(--serif);font-size:3rem;font-weight:700;
  letter-spacing:.16em;margin-bottom:12px;
  background:linear-gradient(180deg,var(--paper) 30%,var(--gold-soft));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.events-sub{
  font-size:1.1rem;letter-spacing:.18em;color:var(--vermilion-br);margin-bottom:22px;
}
.events-desc{
  font-size:1rem;line-height:1.95;color:var(--paper-dim);max-width:34em;margin:0 auto;
  text-indent:2em;
}
.scroll-hint{
  display:inline-block;width:24px;height:38px;border:2px solid rgba(200,164,92,.5);
  border-radius:12px;margin-top:40px;position:relative;
}
.scroll-hint span{
  position:absolute;top:6px;left:50%;width:4px;height:7px;background:var(--gold-soft);
  border-radius:2px;transform:translateX(-50%);animation:wheel 1.6s infinite;
}
@keyframes wheel{0%{opacity:1;top:6px}100%{opacity:0;top:20px}}

/* ===== 容器 ===== */
.container{width:min(1100px,92vw);margin:0 auto;padding:0 16px}

/* ===== 相册 ===== */
.album{padding:64px 0 48px;background:linear-gradient(180deg,var(--ink-850),var(--ink-900))}
.album-head{text-align:center;margin-bottom:36px}
.album-meta{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:14px}
.album-date{font-size:.85rem;color:var(--gold-soft);letter-spacing:.1em}
.album-tag{
  font-size:.72rem;padding:3px 10px;border-radius:999px;
  background:rgba(192,57,43,.18);color:var(--vermilion-br);border:1px solid rgba(192,57,43,.35);
}
.album-title{font-family:var(--serif);font-size:1.7rem;letter-spacing:.08em;margin-bottom:8px}
.album-place{font-size:.95rem;color:var(--paper-dim);margin-bottom:14px}
.album-place .pin{margin-right:4px}
.album-note{
  font-size:.95rem;line-height:1.9;color:var(--paper-dim);max-width:46em;margin:0 auto;
  text-indent:2em;text-align:justify;
}

/* ===== 照片网格 ===== */
.gallery-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
.photo-card{
  position:relative;border-radius:12px;overflow:hidden;
  background:var(--ink-800);border:1px solid var(--line);
  cursor:zoom-in;transition:transform .2s,box-shadow .2s;
}
.photo-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.35)}
.photo-card img{
  width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;
  transition:transform .4s;
}
.photo-card:hover img{transform:scale(1.03)}
.photo-card figcaption{
  position:absolute;bottom:0;left:0;right:0;
  padding:12px 14px;font-size:.9rem;color:var(--paper);
  background:linear-gradient(transparent,rgba(12,12,15,.85));
}

/* ===== 视频预留区 ===== */
.video-zone{
  margin-top:40px;padding:36px 22px;text-align:center;
  background:var(--ink-800);border:1px dashed var(--line);border-radius:14px;
}
.video-zone-icon{
  width:54px;height:54px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;font-size:1.4rem;color:#fff;
  background:rgba(200,164,92,.15);border:1px solid rgba(200,164,92,.3);
}
.video-zone h3{font-family:var(--serif);font-size:1.2rem;letter-spacing:.1em;margin-bottom:8px}
.video-zone p{font-size:.9rem;color:var(--paper-dim);margin-bottom:14px}
.video-soon{
  display:inline-block;padding:5px 14px;border-radius:999px;
  font-size:.75rem;letter-spacing:.12em;color:var(--gold-soft);
  background:rgba(200,164,92,.1);border:1px solid rgba(200,164,92,.25);
}

/* ===== 往期 ===== */
.archive{padding:56px 0 80px;background:var(--ink-900)}
.section-title{font-family:var(--serif);font-size:1.5rem;letter-spacing:.1em;text-align:center;margin-bottom:8px}
.section-sub{font-size:.9rem;color:var(--paper-dim);text-align:center;margin-bottom:30px}
.archive-empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:40px 20px;color:var(--paper-dim);
}
.archive-empty-seal{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--serif);font-size:1.4rem;color:var(--gold-soft);
  border:1px solid rgba(200,164,92,.3);background:rgba(200,164,92,.08);
}

/* ===== 页脚 ===== */
.footer{
  padding:32px 16px;text-align:center;border-top:1px solid var(--line);
  background:var(--ink-900);
}
.back-home{
  display:inline-block;margin-bottom:14px;padding:9px 22px;border-radius:999px;
  font-size:.9rem;color:var(--gold-soft);border:1px solid rgba(200,164,92,.35);
  transition:.2s;
}
.back-home:hover{background:rgba(200,164,92,.12)}
.footer-meta{font-size:.78rem;color:var(--paper-dim);letter-spacing:.08em}

/* ===== 回到顶部 ===== */
.to-top{
  position:fixed;right:16px;bottom:22px;z-index:90;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:rgba(12,12,15,.85);color:var(--gold-soft);font-size:1.2rem;
  cursor:pointer;opacity:0;pointer-events:none;transition:.25s;backdrop-filter:blur(6px);
}
.to-top.show{opacity:1;pointer-events:auto}

/* ===== Lightbox ===== */
.lightbox{
  position:fixed;inset:0;z-index:200;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.92);opacity:0;pointer-events:none;transition:opacity .25s;
}
.lightbox.show{opacity:1;pointer-events:auto}
.lightbox-close,.lightbox-prev,.lightbox-next{
  position:absolute;background:none;border:0;color:#fff;cursor:pointer;
  z-index:202;text-shadow:0 1px 4px rgba(0,0,0,.6);
}
.lightbox-close{top:14px;right:18px;font-size:2.6rem;line-height:1}
.lightbox-prev,.lightbox-next{
  top:50%;transform:translateY(-50%);font-size:3rem;padding:10px 14px;
}
.lightbox-prev{left:6px}
.lightbox-next{right:6px}
.lightbox-stage{
  position:relative;z-index:201;max-width:94vw;max-height:88vh;
  display:flex;flex-direction:column;align-items:center;
}
.lightbox-stage img{
  max-width:100%;max-height:76vh;object-fit:contain;
  border-radius:4px;box-shadow:0 20px 60px rgba(0,0,0,.6);
}
.lightbox-caption{
  margin-top:14px;font-size:.95rem;color:var(--paper);text-align:center;max-width:640px;line-height:1.6;
}
.lightbox-counter{
  margin-top:6px;font-size:.78rem;color:var(--paper-dim);letter-spacing:.1em;
}

/* ===== 动画类 ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== 桌面增强 ===== */
@media(min-width:760px){
  .nav{padding:12px 26px}
  .nav-links a{padding:7px 13px}
  .events-title{font-size:4rem}
  .events-sub{font-size:1.25rem}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .photo-card.wide{grid-column:span 2}
  .album-title{font-size:2rem}
}
@media(min-width:1024px){
  .gallery-grid{grid-template-columns:repeat(3,1fr);gap:18px}
  .photo-card.wide{grid-column:span 2}
}

/* ===== 移动端汉堡 ===== */
@media(max-width:759px){
  .nav-links{
    position:fixed;top:56px;left:12px;right:12px;
    flex-direction:column;gap:0;
    background:rgba(12,12,15,.96);border:1px solid var(--line);border-radius:12px;
    padding:8px 0;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.2s;
  }
  .nav-links.open{opacity:1;pointer-events:auto;transform:translateY(0)}
  .nav-links a{padding:12px 18px;border-radius:0}
  .nav-toggle{display:flex}
  .events-title{font-size:2.4rem}
  .events-sub{font-size:.95rem}
  .lightbox-prev,.lightbox-next{font-size:2.2rem}
  .lightbox-caption{font-size:.85rem;padding:0 12px}
}