:root{
  --bg:#1a0f08; --panel:#241608; --panel2:#2c1a0c;
  --rust:#c2562a; --rust2:#a8431f; --ochre:#e0a93f; --gold:#d9a441;
  --ink:#f5ead9; --mut:#c2a482; --line:rgba(224,169,63,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",-apple-system,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.bg{position:fixed;inset:0;z-index:-2;background:
  radial-gradient(1100px 760px at 78% 6%, rgba(224,169,63,.18), transparent 55%),
  radial-gradient(900px 640px at 8% 96%, rgba(194,86,42,.30), transparent 55%),
  linear-gradient(160deg,#2a160b,#1a0f08 72%)}
.bg::after{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(224,169,63,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(224,169,63,.05) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(circle at 50% 25%,#000 25%,transparent 78%)}

/* 导航 */
nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:13px 6vw;backdrop-filter:blur(10px);background:rgba(26,15,8,.7);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:.5px}
.logo .chip{width:38px;height:38px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;padding:5px;flex:none}
.logo .chip img{width:100%;height:100%;object-fit:contain}
.navlinks{display:flex;gap:26px;font-size:14px;color:var(--mut)}
.navlinks a:hover,.navlinks a.active{color:var(--ochre)}
.navcta{padding:8px 18px;border:1px solid var(--rust);border-radius:30px;color:var(--ochre);font-size:13px}
.navcta:hover{background:rgba(194,86,42,.15)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--ochre);border-radius:2px}
.mobilemenu{display:none;position:fixed;top:64px;left:0;right:0;z-index:49;background:rgba(26,15,8,.97);
  border-bottom:1px solid var(--line);flex-direction:column;padding:10px 6vw 18px;gap:4px}
.mobilemenu a{padding:12px 0;color:var(--mut);border-bottom:1px solid var(--line);font-size:15px}
.mobilemenu a:hover{color:var(--ochre)}

/* Hero */
.hero{min-height:78vh;display:flex;flex-direction:column;justify-content:center;padding:90px 6vw 40px 6vw;position:relative;
  background:url('../assets/poster.png') center 30%/cover no-repeat;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,11,6,.94) 0%,rgba(20,11,6,.75) 42%,rgba(20,11,6,.30) 75%,rgba(20,11,6,.45) 100%)}
.hero>*{position:relative;z-index:1}
.eyebrow{color:var(--ochre);letter-spacing:5px;font-size:13px;margin-bottom:18px}
.hero h1{font-size:clamp(30px,5.4vw,64px);line-height:1.08;font-weight:800;letter-spacing:1px;
  background:linear-gradient(180deg,#fff6e8,#e7c79a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 span{background:linear-gradient(90deg,var(--rust),var(--ochre));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:600px;color:#ecdcc6;font-size:clamp(15px,1.6vw,19px);margin:20px 0 32px}
.btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:14px 30px;border-radius:40px;font-size:15px;font-weight:600;transition:.25s}
.btn.primary{background:linear-gradient(90deg,var(--rust),var(--ochre));color:#1a0f08}
.btn.primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn.ghost{border:1px solid rgba(255,255,255,.5);color:#fff}
.btn.ghost:hover{border-color:var(--ochre);color:var(--ochre)}
.crumb{padding:88px 6vw 0;color:var(--mut);font-size:13px}
.crumb a:hover{color:var(--ochre)}

section{padding:60px 6vw;position:relative}
.sec-head{margin-bottom:40px}
.sec-tag{color:var(--ochre);letter-spacing:3px;font-size:12px}
.sec-head h2{font-size:clamp(24px,3.2vw,40px);font-weight:800;margin-top:10px}
.sec-head p{color:var(--mut);margin-top:12px;max-width:660px}
.note{color:var(--mut);font-size:12px;margin-top:8px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:16px;padding:34px 24px;position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--rust),var(--ochre))}
.stat .num{font-size:clamp(30px,3.4vw,46px);font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.stat .num em{font-style:normal;font-size:.5em;color:var(--ochre);margin-left:4px}
.stat .lab{color:var(--mut);font-size:14px;margin-top:6px}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:16px;padding:26px;transition:.25s}
.pcard:hover{border-color:var(--rust);transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.pcard .ic{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,rgba(194,86,42,.25),rgba(224,169,63,.22));
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;border:1px solid var(--line)}
.pcard h3{font-size:18px;margin-bottom:12px;color:var(--ochre)}
.pcard ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.pcard li{font-size:14px;color:var(--mut);padding-left:14px;position:relative}
.pcard li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--rust)}
.pcard a.more{display:inline-block;margin-top:14px;color:var(--ochre);font-size:13px}

.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.app{background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:16px;padding:28px;min-height:200px;transition:.25s}
.app:hover{border-color:var(--ochre);transform:translateY(-4px)}
.app .t{font-size:19px;font-weight:800;margin-bottom:10px;color:#fff}
.app p{font-size:14px;color:var(--mut)}

.svc{display:flex;flex-wrap:wrap;gap:12px}
.chip2{padding:12px 20px;border:1px solid var(--line);border-radius:30px;background:var(--panel);font-size:14px;color:var(--ink)}
.chip2:hover{border-color:var(--rust);color:var(--ochre)}

.std{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stdc{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.stdc .b{font-size:22px;font-weight:800;color:var(--ochre)}
.stdc .s{font-size:13px;color:var(--mut);margin-top:6px}

.adv{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.adv .item{display:flex;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}
.adv .n{font-size:22px;font-weight:800;color:var(--rust);min-width:42px}
.adv h4{font-size:16px;margin-bottom:4px}
.adv p{color:var(--mut);font-size:14px}

.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}
.contact .info{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:38px}
.contact .row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}
.contact .row:last-child{border-bottom:0}
.contact .row b{color:var(--ochre);min-width:84px;font-weight:600}
.contact .map{background:linear-gradient(135deg,#2a160b,#321c0c);border:1px solid var(--line);border-radius:18px;
  min-height:320px;position:relative;overflow:hidden}
.contact .map img{position:relative;z-index:1;width:100%;height:100%;min-height:320px;object-fit:cover;display:block;border-radius:18px}
.contact .map::before{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(224,169,63,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(224,169,63,.06) 1px,transparent 1px);
  background-size:38px 38px;z-index:2;pointer-events:none}

footer{border-top:1px solid var(--line);padding:46px 6vw 30px;color:var(--mut);font-size:13px;margin-top:30px}
.foot-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;margin-bottom:22px}
.foot-logo{background:#fff;border-radius:14px;padding:12px 16px;display:inline-block}
.foot-logo img{height:54px;width:auto;display:block}
.foot-cols{display:flex;gap:40px;flex-wrap:wrap}
.foot-cols div b{color:var(--ochre);display:block;margin-bottom:6px;font-weight:600}
.foot-cols div span{display:block;color:var(--mut);font-size:13px}
.foot-bot{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:980px){.grid,.apps,.std{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.navlinks,.navcta{display:none}.burger{display:flex}.stats{grid-template-columns:repeat(2,1fr)}
  .adv,.contact{grid-template-columns:1fr}section{padding:44px 5vw}.hero{background-position:center}}
@media(max-width:560px){.grid,.apps,.std{grid-template-columns:1fr}}