:root{
  --bg:#0c0d10;
  --bg-2:#12141a;
  --bg-3:#1a1d26;
  --gold:#d4af6a;
  --gold-2:#f0d9a8;
  --text:#e8e6e0;
  --muted:#8b8f98;
  --line:rgba(255,255,255,.08);
  --radius:14px;
  --font-serif:"Noto Serif SC",serif;
  --font-sans:"Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-weight:300;line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ===== 导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:18px 0;transition:.35s}
.nav.scrolled{background:rgba(12,13,16,.85);backdrop-filter:blur(12px);padding:12px 0;border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--font-serif);font-size:22px;font-weight:900;letter-spacing:2px}
.brand span{color:var(--gold);font-size:15px;font-weight:600;letter-spacing:4px;margin-left:6px}
.menu{display:flex;gap:36px}
.menu a{font-size:15px;color:var(--muted);transition:.25s;position:relative}
.menu a:hover{color:var(--text)}
.menu a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--gold);transition:.3s}
.menu a:hover::after{width:100%}

/* ===== 按钮 ===== */
.btn{display:inline-block;padding:14px 34px;border-radius:999px;font-size:15px;letter-spacing:1px;transition:.3s;border:1px solid transparent;cursor:pointer;font-family:var(--font-sans)}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1a1408;font-weight:600;box-shadow:0 8px 30px rgba(212,175,106,.25)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(212,175,106,.4)}
.btn-outline{border-color:var(--gold);color:var(--gold-2)}
.btn-outline:hover{background:rgba(212,175,106,.1);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-2)}
.btn-sm{padding:9px 22px;font-size:13px}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:
  radial-gradient(ellipse 80% 60% at 70% 20%,rgba(212,175,106,.08),transparent 60%),
  radial-gradient(ellipse 60% 50% at 20% 90%,rgba(60,80,120,.12),transparent 60%),
  var(--bg)}
.hero-bg{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:34px 34px;mask-image:radial-gradient(ellipse 60% 60% at center,#000,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 60% 60% at center,#000,transparent 75%)}
.hero-inner{position:relative;padding:140px 24px 80px}
.hero-tag{font-size:13px;letter-spacing:6px;color:var(--gold);margin-bottom:26px}
.hero-title{font-family:var(--font-serif);font-size:clamp(46px,7vw,86px);font-weight:900;line-height:1.15;letter-spacing:2px}
.hero-title em{font-style:normal;background:linear-gradient(120deg,var(--gold-2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:28px 0 40px;font-size:17px;color:var(--muted)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;margin-top:72px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-family:var(--font-serif);font-size:32px;font-weight:900;color:var(--text)}
.hero-stats span{font-size:13px;color:var(--muted);letter-spacing:2px;margin-top:2px}

/* ===== Section 通用 ===== */
.section{padding:110px 0}
.sec-head{text-align:center;margin-bottom:56px}
.sec-zh{font-size:14px;letter-spacing:6px;color:var(--gold);margin-bottom:12px}
.sec-title{font-family:var(--font-serif);font-size:clamp(28px,4vw,42px);font-weight:900;letter-spacing:1px}
.sec-desc{color:var(--muted);margin-top:14px;font-size:15px}

/* ===== 筛选 & 网格 ===== */
.filter{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:48px}
.chip{padding:9px 22px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);font-size:14px;cursor:pointer;transition:.3s;font-family:var(--font-sans)}
.chip:hover{color:var(--text);border-color:var(--gold)}
.chip.active{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1a1408;border-color:transparent;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--bg-2);border:1px solid var(--line);cursor:pointer;transition:.4s;opacity:0;transform:translateY(20px)}
.card.show{opacity:1;transform:translateY(0)}
.card:hover{transform:translateY(-6px);border-color:rgba(212,175,106,.4);box-shadow:0 20px 50px rgba(0,0,0,.5)}
.card img{width:100%;aspect-ratio:1;object-fit:cover;transition:.5s}
.card:hover img{transform:scale(1.05)}
.card-cap{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 16px;background:linear-gradient(transparent,rgba(0,0,0,.85));display:flex;justify-content:space-between;align-items:flex-end}
.card-cap h3{font-size:16px;font-weight:500;letter-spacing:1px}
.card-cap span{font-size:12px;color:var(--gold);letter-spacing:2px}

/* ===== 关于 ===== */
.about{background:var(--bg-2)}
.about-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.about-text .sec-title{margin-bottom:20px}
.about-text p{color:var(--muted);margin-bottom:24px}
.about-list{list-style:none;display:grid;gap:14px}
.about-list li{padding-left:26px;position:relative;color:var(--text);font-size:15px}
.about-list li::before{content:"◆";position:absolute;left:0;color:var(--gold);font-size:11px;top:4px}
.about-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.5)}
.about-img img{width:100%;aspect-ratio:4/5;object-fit:cover}

/* ===== 联系 ===== */
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;max-width:760px;margin:0 auto}
.contact-card{text-align:center;padding:44px 30px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);transition:.3s}
.contact-card:hover{border-color:rgba(212,175,106,.4);transform:translateY(-4px)}
.card-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1a1408;font-size:26px;font-weight:900;display:flex;align-items:center;justify-content:center;font-family:var(--font-serif)}
.contact-card h3{font-family:var(--font-serif);font-size:22px;font-weight:900;margin-bottom:6px}
.card-handle{color:var(--gold-2);font-size:17px;font-weight:500;margin:12px 0 4px}
.card-tip{color:var(--muted);font-size:13px;margin-bottom:20px}

/* ===== Footer ===== */
.footer{border-top:1px solid var(--line);padding:44px 0;text-align:center;background:var(--bg-2)}
.footer p{color:var(--muted);font-size:14px}
.footer-sub{color:#5a5e66;font-size:12px;margin-top:6px;letter-spacing:2px}

/* ===== 灯箱 ===== */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:200;display:none;align-items:center;justify-content:center;flex-direction:column;padding:40px}
.lightbox.open{display:flex}
.lightbox img{max-width:88vw;max-height:78vh;object-fit:contain;border-radius:8px}
.lb-cap{color:var(--gold-2);margin-top:18px;letter-spacing:2px;font-size:15px}
.lb-close{position:absolute;top:24px;right:32px;font-size:40px;color:var(--muted);background:none;border:none;cursor:pointer;transition:.3s}
.lb-close:hover{color:var(--gold);transform:rotate(90deg)}

/* ===== 区块入场 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.show{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media(max-width:820px){
  .menu{display:none}
  .hero-stats{gap:28px;margin-top:48px}
  .hero-stats strong{font-size:24px}
  .about-inner{grid-template-columns:1fr;gap:40px}
  .section{padding:80px 0}
}