:root{--red:#8f1b1b;--red-d:#5e0f12;--red-dd:#3d0a0c;--gold:#d9a93d;--gold-l:#f1d48a;--gold-d:#9a6f12;--ivory:#fbf3e0;--ivory2:#f3e6c8;--text:#3a2515;--muted:#7d6648;
--serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;--sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:var(--sans);color:var(--text);background:var(--ivory);line-height:1.85;font-size:16px}
img{display:block;max-width:100%}ul,ol{list-style:none}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}

/* 顶栏 + 圆形印章标志 */
.bar{position:sticky;top:0;z-index:50;height:66px;background:var(--red-d);border-bottom:2px solid var(--gold);display:flex;align-items:center;justify-content:space-between;padding:0 36px 0 150px}
.seal{position:absolute;left:36px;top:6px;width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#fff1b8,var(--gold) 55%,var(--gold-d));border:3px solid var(--red-d);box-shadow:0 0 0 2px var(--gold),0 8px 20px rgba(0,0,0,.35);font-family:var(--serif);font-weight:900;font-size:40px;color:var(--red-d);transition:transform .4s}
.seal:hover{transform:rotate(-8deg) scale(1.04)}
.brand{font-family:var(--serif);font-size:22px;letter-spacing:.3em;color:var(--gold-l);white-space:nowrap}
.nav{display:flex;align-items:center;gap:4px;font-size:15px;letter-spacing:.14em;color:#f2dcc0}
.nav a{padding:6px 18px;position:relative}
.nav a:not(.go)::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--gold);transition:width .25s,left .25s}
.nav a:not(.go):hover::after{width:60%;left:20%}.nav a:hover{color:var(--gold-l)}
.go{margin-left:12px;background:var(--gold);color:var(--red-dd);font-weight:800;padding:6px 24px!important;border-radius:3px}
.go:hover{background:var(--gold-l);color:var(--red-dd)!important}
.menu-btn{display:none;border:1px solid var(--gold);color:var(--gold-l);padding:3px 16px;letter-spacing:.15em;font-size:14px}

/* banner */
.hero{position:relative;height:calc(100vh - 66px);min-height:500px;display:grid;place-items:center;background:var(--red-dd);overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.frame{position:relative;z-index:1;width:min(680px,calc(100% - 40px));padding:34px 56px 56px;text-align:center;color:#fff;background:rgba(70,8,12,0.92);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);border:2px solid var(--gold);box-shadow:0 30px 70px rgba(30,0,4,.5);animation:up .9s ease both}
.frame::before{content:"";position:absolute;inset:9px;border:1px solid rgba(217,169,61,.7);pointer-events:none}
.frame i{position:absolute;width:16px;height:16px;background:var(--gold);transform:rotate(45deg)}
.frame i:nth-child(1){left:-9px;top:-9px}.frame i:nth-child(2){right:-9px;top:-9px}.frame i:nth-child(3){left:-9px;bottom:-9px}.frame i:nth-child(4){right:-9px;bottom:-9px}
.frame .tag{font-size:13px;letter-spacing:.6em;color:var(--gold)}
.frame h1{font-family:var(--serif);font-weight:900;font-size:clamp(36px,5.4vw,70px);line-height:1.25;letter-spacing:.12em;margin:12px 0 16px;color:var(--gold-l);text-shadow:0 3px 18px rgba(0,0,0,.45)}
.frame p{color:#f4e2c8;letter-spacing:.06em;margin-bottom:32px}
.btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:20px;}
.btn{display:inline-block;min-width:150px;padding:13px 32px;font-weight:800;letter-spacing:.3em;border:2px solid var(--gold);transition:transform .2s,background .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--gold);color:var(--red-dd)}.btn-primary:hover{background:var(--gold-l);border-color:var(--gold-l)}
.btn-ghost{color:var(--gold-l)}.btn-ghost:hover{background:rgba(217,169,61,.2)}
@keyframes up{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}




/* 联系 */
.contact{position:relative;background:radial-gradient(ellipse at 50% 0,#a82626,transparent 60%),repeating-linear-gradient(45deg,rgba(255,255,255,.025) 0 12px,transparent 12px 24px),var(--red-dd);color:#f4e2c8;padding:0px 0 0;text-align:center;border-top:3px solid var(--gold);margin-top:-50px;}
.copy{border-top:1px solid rgba(217,169,61,.3);padding:12px;font-size:13px;color:#c9a98a;letter-spacing:.1em}



@media(max-width:1000px){.fgrid{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:1fr;gap:40px}.nrow{grid-template-columns:110px 1fr;gap:6px 24px}.nrow .sum{grid-column:2}.cinfo{grid-template-columns:1fr 1fr}}
@media(max-width:860px){
 .bar{padding:0 16px 0 112px}.seal{left:16px;width:70px;height:70px;font-size:32px}.brand{font-size:18px;letter-spacing:.2em}
 .nav{display:none}.menu-btn{display:block}
 .bar.open .nav{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--red-dd);padding:6px 24px 18px;border-bottom:2px solid var(--gold)}
 .bar.open .nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}.go{margin:10px 0 0;text-align:center}
 .section{padding:64px 0}.wrap{padding:0 20px}.frame{padding:40px 24px 42px}
 .craft{flex-direction:column;gap:20px;align-items:center}.craft::before{display:none}.craft li{display:flex;align-items:center;gap:16px;text-align:left;width:100%}.craft i{margin:0;flex:0 0 72px;height:72px;width:72px;font-size:24px}
 .nrow{grid-template-columns:1fr}.nrow .sum{grid-column:auto}.nrow .dt{display:flex;gap:12px;align-items:baseline}.nrow .dt b{font-size:40px}
 .cinfo{grid-template-columns:1fr}
}
@media(max-width:520px){.fgrid{gap:12px}.face.front b{font-size:15px;letter-spacing:.1em}.face.back{padding:12px}.face.back h3{font-size:18px}.face.back p{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}