:root{
  --accent:#b9a15f;
  --accent-dark:#8a7444;
  --ink:#2f2a24;
  --ink-soft:#5c564d;
  --bg:#faf9f6;
  --panel:#ffffff;
  --line:#e7e2d8;
  --serif:"Noto Serif SC","Songti SC","STSong",Georgia,"Times New Roman",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---------- Hero (black banner) ---------- */
.hero{
  position:relative;
  min-height:62vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:8rem 1.5rem 6rem;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(185,161,95,.12), transparent 60%),
    radial-gradient(700px 400px at 85% 80%, rgba(185,161,95,.06), transparent 60%),
    #0a0a0c;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.5), transparent 1px),
    radial-gradient(2px 2px at 70% 20%, rgba(255,255,255,.4), transparent 1px),
    radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,.35), transparent 1px),
    radial-gradient(2px 2px at 85% 55%, rgba(255,255,255,.35), transparent 1px);
  background-size:220px 220px,180px 180px,260px 260px,200px 200px;
  opacity:.5;
}
.hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:140px;
  background:linear-gradient(180deg,transparent,var(--bg));
}
.hero-inner{position:relative;z-index:1;max-width:760px}
.hero-avatar{
  width:200px;height:300px;border-radius:0;
  margin:0 auto 1.6rem;
  background:linear-gradient(135deg,#3a3529,#221f18);
  border:3px solid rgba(185,161,95,.6);box-shadow:0 0 40px rgba(185,161,95,.25);
  background-size:cover;background-position:center;
}
.hero-title{
  font-family:var(--serif);
  font-size:clamp(2rem,6vw,3.4rem);
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:.6rem;
  color:#e9dfc8;
  text-shadow:0 0 30px rgba(185,161,95,.3);
}
.hero-sub{
  font-family:var(--serif);
  color:#c8b88f;
  font-size:clamp(1rem,2.6vw,1.3rem);
  letter-spacing:.12em;
}
.hero-dates{margin-top:1.4rem;color:#a99a78;font-size:.95rem}
.hero-dates span{color:#d9c69a;font-weight:600}

/* ---------- Layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 1.25rem}
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:2.5rem;
  padding:2.5rem 0 4rem;
}

/* ---------- Left section nav (like original site) ---------- */
.page-layout{display:grid;grid-template-columns:180px minmax(0,1fr);gap:2rem}
.sect-nav{position:sticky;top:5.5rem;align-self:start;display:flex;flex-direction:column;gap:.2rem;border-right:1px solid var(--line);padding-right:1rem}
.sect-link{
  display:flex;align-items:center;gap:.5rem;
  font-family:var(--sans);font-size:.98rem;color:var(--ink-soft);
  padding:.6rem .7rem;border-radius:8px;border:1px solid transparent;
}
.sect-link .cn{font-size:.72rem;color:var(--accent-dark);letter-spacing:.12em}
.sect-link:hover{color:var(--accent-dark);background:#f6f3ec}
.sect-link.active{color:var(--ink);font-weight:600;background:var(--panel);border-color:var(--line);box-shadow:0 3px 10px rgba(60,50,30,.06)}
.sect-link.active .cn{color:var(--accent)}
.sect-content{min-width:0}
.sect-heading{
  font-family:var(--serif);font-size:1.6rem;margin-bottom:1.3rem;
  display:flex;align-items:center;gap:.7rem;
}
.sect-heading::after{content:"";flex:1;height:1px;background:var(--line)}
.sect-panel.active{display:block}

/* section headings */
.section-title{
  display:flex;align-items:center;gap:.9rem;
  font-family:var(--serif);
  font-size:1.8rem;
  margin:2.6rem 0 1.4rem;
}
.section-title::after{content:"";flex:1;height:1px;background:var(--line)}
.section-title .cn{font-size:.85rem;color:var(--accent-dark);letter-spacing:.2em;font-family:var(--sans);margin-right:-.2rem}

.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  padding:1.6rem 1.7rem;
  box-shadow:0 6px 24px rgba(60,50,30,.04);
}

/* About */
.about-body p{margin-bottom:1.1rem;color:var(--ink-soft)}
.about-facts{
  margin-top:1.2rem;padding:1.2rem 1.4rem;
  background:#f6f3ec;border-left:3px solid var(--accent);
  border-radius:6px;
}
.about-facts li{margin-bottom:.5rem;color:var(--ink-soft);list-style:none;position:relative;padding-left:1.2rem}
.about-facts li::before{content:"•";position:absolute;left:0;color:var(--accent)}

/* Timeline */
.timeline{position:relative;padding-left:1.8rem}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 1.6rem 1rem}
.tl-item::before{
  content:"";position:absolute;left:-1.85rem;top:.4rem;width:12px;height:12px;
  border-radius:50%;background:#fff;border:3px solid var(--accent);
}
.tl-year{font-family:var(--serif);font-size:1.25rem;font-weight:700;color:var(--accent-dark);margin-bottom:.2rem}
.tl-title{font-weight:600;margin-bottom:.25rem}
.tl-text{color:var(--ink-soft);font-size:.95rem}

/* Memory Wall */
.wall-grid{display:grid;grid-template-columns:1fr;gap:1rem}
.wall-card{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1.2rem 1.3rem;
  display:flex;flex-direction:column;gap:.6rem;
  box-shadow:0 4px 14px rgba(60,50,30,.04);
}
.wall-card .who{font-weight:600;color:var(--accent-dark);font-size:.9rem}
.wall-card .txt{color:var(--ink-soft);font-size:.95rem}
.wall-card .when{margin-top:auto;font-size:.78rem;color:#a89f91}
.wall-photos{display:flex;flex-wrap:wrap;gap:.5rem}
.wall-photos img{width:70px;height:70px;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:pointer}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}
.g-item{overflow:hidden;border-radius:12px;border:1px solid var(--line);position:relative;cursor:pointer;background:#eee}
.g-item img{width:100%;height:200px;object-fit:cover;transition:transform .4s}
.g-item:hover img{transform:scale(1.05)}
.g-cap{
  position:absolute;left:0;right:0;bottom:0;padding:.5rem .8rem;
  background:linear-gradient(transparent,rgba(0,0,0,.55));
  color:#fff;font-size:.85rem;
}

/* ---------- Right Sidebar ---------- */
.sidebar{position:sticky;top:1.5rem;align-self:start;display:flex;flex-direction:column;gap:1.1rem}
.side-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:1.4rem;text-align:center;
  box-shadow:0 6px 24px rgba(60,50,30,.05);
}
.side-btn{
  display:block;width:100%;border:none;cursor:pointer;
  font-family:var(--sans);font-size:1.05rem;letter-spacing:.1em;
  padding:.95rem;border-radius:10px;transition:.2s;
}
.btn-leave{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#fff;box-shadow:0 6px 18px rgba(185,161,95,.35);
}
.btn-leave:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-share{
  background:#fff;color:var(--accent-dark);
  border:1.5px solid var(--accent);margin-top:.7rem;
}
.btn-share:hover{background:#faf6ea}
.side-views{margin-top:.8rem;font-size:.85rem;color:var(--ink-soft)}
.side-views b{color:var(--accent-dark);font-family:var(--serif);font-size:1.1rem}
.side-note{margin-top:.5rem;font-size:.78rem;color:#a89f91}
.side-maintain{margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--line);font-size:.85rem;color:var(--ink-soft)}
.side-maintain b{color:var(--ink);display:block;margin-bottom:.2rem;font-family:var(--serif);font-size:1rem}

/* share popup */
.overlay{
  position:fixed;inset:0;background:rgba(30,25,18,.55);z-index:50;
  display:flex;align-items:center;justify-content:center;padding:1.5rem;opacity:0;pointer-events:none;transition:.25s;
}
.overlay.show{opacity:1;pointer-events:auto}
.popup{
  background:#fff;border-radius:14px;max-width:340px;width:100%;
  padding:2rem 1.6rem;text-align:center;transform:translateY(14px);transition:.25s;
}
.overlay.show .popup{transform:translateY(0)}
.popup .ico{font-size:2.4rem;margin-bottom:.6rem}
.popup h3{font-family:var(--serif);margin-bottom:.4rem}
.popup p{color:var(--ink-soft);font-size:.92rem;margin-bottom:1.3rem;word-break:break-all}
.popup button{
  border:none;cursor:pointer;background:var(--accent);color:#fff;
  padding:.65rem 1.8rem;border-radius:8px;font-size:.95rem;letter-spacing:.08em;
}

/* ---------- Footer ---------- */
.site-footer{text-align:center;padding:2rem 1.5rem 2.4rem;color:#a89f91;font-size:.85rem;border-top:1px solid var(--line)}
.site-footer .pow{font-size:.8rem;margin-top:.3rem;opacity:.8}

/* ---------- Navigation (dark band) ---------- */
.topnav{
  position:fixed;top:0;left:0;right:0;z-index:40;
  background:rgba(10,10,12,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(185,161,95,.25);
}
.topnav-inner{max-width:1180px;margin:0 auto;padding:.8rem 1.25rem;display:flex;align-items:center;gap:1.6rem}
.brand{font-family:var(--serif);font-weight:700;letter-spacing:.06em;font-size:1.15rem;white-space:nowrap;color:#e9dfc8}
.brand:hover{color:#fff}
.topnav-links{display:flex;gap:1.4rem;margin-left:auto;align-items:center}
.topnav-links a{font-size:.92rem;color:#c8bea4;white-space:nowrap}
.topnav-links a:hover{color:#fff}
.topnav-cta{
  border:1px solid var(--accent);color:#d9c69a;border-radius:20px;
  padding:.3rem .9rem;font-size:.85rem;margin-left:.4rem;
}
.topnav-cta:hover{border-color:#fff;color:#fff}

/* ---------- Bamboo watermark on light content area ---------- */
body::before{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:380px;
  background-image:url('/assets/bamboo.svg');
  background-repeat:repeat-x;
  background-position:left bottom;
  background-size:520px 380px;
  pointer-events:none;z-index:0;opacity:.85;
}
body{position:relative}
main.wrap,.site-footer{position:relative;z-index:1}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 220px}
  .topnav-links{display:none}
  .page-layout{grid-template-columns:1fr;gap:1rem}
  .sect-nav{position:static;flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--line);padding:0 0 .6rem;gap:.4rem;overflow-x:auto}
  .sect-link{white-space:nowrap;font-size:.92rem;padding:.45rem .7rem}
}
@media(max-width:480px){
  .panel{padding:1.2rem 1.1rem}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .g-item img{height:150px}
  .wall-grid{grid-template-columns:1fr}
}