:root{
  --paper:#d6d3d1;
  --paper-2:#e2dfdc;
  --ink:#44403c;
  --ink-soft:#57534e;
  --accent:#991b1b;
  --line:#44403c;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background-color:var(--paper);
  background-image:
    repeating-linear-gradient(0deg,rgba(68,64,60,0.045) 0px,rgba(68,64,60,0.045) 1px,transparent 1px,transparent 4px),
    repeating-linear-gradient(90deg,rgba(68,64,60,0.035) 0px,rgba(68,64,60,0.035) 1px,transparent 1px,transparent 5px);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
}
h1,h2,h3,h4,p,ul,li,div,span,a,button,figcaption{font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;}

/* 头部 */
.site-header{
  border-bottom:3px double var(--ink);
  background:linear-gradient(180deg,var(--paper-2),var(--paper));
  position:sticky;top:0;z-index:50;
  box-shadow:0 3px 0 rgba(68,64,60,0.15);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 0;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:2px;font-size:19px;color:var(--ink);}
.logo .stamp{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border:2px solid var(--accent);color:var(--accent);
  border-radius:50% 46% 52% 48%;transform:rotate(-6deg);font-size:15px;font-weight:900;
}
.nav-links{display:flex;gap:6px;flex-wrap:wrap;}
.nav-links a{
  display:inline-block;padding:6px 13px;color:var(--ink);
  border:1.5px solid transparent;border-radius:10px 4px 10px 4px;
  font-size:15px;font-weight:600;transition:.18s;
}
.nav-links a:hover,.nav-links a:first-child{
  border-color:var(--ink);color:var(--accent);text-decoration:none;
  background:rgba(255,255,255,.35);
}

/* 通用区块 */
section{padding:52px 0;}
.sec-title{
  font-size:26px;margin:0 0 6px;letter-spacing:1px;color:var(--ink);
  display:inline-block;border-bottom:3px solid var(--accent);padding-bottom:6px;
}
.sec-sub{color:var(--ink-soft);margin:12px 0 30px;font-size:15px;}

/* 手绘感卡片 */
.card{
  background:var(--paper-2);
  border:2px solid var(--ink);
  border-radius:14px 5px 13px 6px;
  padding:22px 22px;
  box-shadow:5px 5px 0 rgba(68,64,60,0.22);
  position:relative;
}
.card::after{
  content:"";position:absolute;inset:6px;border:1px dashed rgba(68,64,60,0.35);
  border-radius:10px 4px 9px 5px;pointer-events:none;
}
.grid{display:grid;gap:22px;}
.g3{grid-template-columns:repeat(3,1fr);}
.g2{grid-template-columns:repeat(2,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.g3,.g4{grid-template-columns:1fr 1fr;}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr;}}

/* Hero */
#hero{padding-top:44px;}
.hero-box{
  display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
  border:2px solid var(--ink);border-radius:18px 6px 16px 8px;
  background:linear-gradient(135deg,var(--paper-2) 0%,#cfcbc7 100%);
  padding:34px;box-shadow:8px 8px 0 rgba(68,64,60,0.25);
  position:relative;overflow:hidden;
}
.hero-box::before{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;
  border:2px dashed rgba(153,27,27,.35);border-radius:50%;
}
@media(max-width:860px){.hero-box{grid-template-columns:1fr;padding:24px;}}
h1{
  font-size:32px;line-height:1.4;margin:0 0 16px;letter-spacing:1px;color:var(--ink);
  border-left:6px solid var(--accent);padding-left:14px;
}
.hero-lead{color:var(--ink-soft);font-size:15.5px;margin:0 0 22px;}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;}
.btn{
  display:inline-block;padding:10px 22px;border:2px solid var(--ink);
  border-radius:12px 4px 12px 4px;font-weight:700;font-size:15px;color:var(--ink);
  background:var(--paper);box-shadow:3px 3px 0 rgba(68,64,60,.35);transition:.15s;
}
.btn:hover{background:var(--accent);color:#f5f2ef;border-color:var(--accent);text-decoration:none;transform:translate(2px,2px);box-shadow:1px 1px 0 rgba(68,64,60,.35);}
.btn.solid{background:var(--accent);color:#f7f4f1;border-color:var(--accent);}
.btn.solid:hover{background:var(--ink);border-color:var(--ink);}
.hero-fig{border:2px solid var(--ink);border-radius:12px 4px 12px 4px;overflow:hidden;background:#cecac6;box-shadow:4px 4px 0 rgba(68,64,60,.28);}
.hero-fig img{width:100%;height:100%;object-fit:cover;}
.hero-fig figcaption{font-size:13px;color:var(--ink-soft);padding:8px 12px;border-top:1.5px dashed var(--ink);text-align:center;}

/* GEO */
#geo-intro .geo-text{
  font-size:16.5px;line-height:2.05;color:var(--ink);
  border:2px solid var(--ink);border-radius:14px 5px 14px 5px;
  padding:26px 28px;background:var(--paper-2);
  box-shadow:6px 6px 0 rgba(68,64,60,.2);
}
#geo-intro .geo-text strong{color:var(--accent);}

/* 数据统计 */
.stat{
  text-align:center;padding:22px 14px;background:var(--paper-2);
  border:2px solid var(--ink);border-radius:12px 4px 12px 4px;
  box-shadow:4px 4px 0 rgba(68,64,60,.22);
}
.stat .num{font-size:30px;font-weight:900;color:var(--accent);letter-spacing:1px;}
.stat .lbl{font-size:14px;color:var(--ink-soft);margin-top:4px;}

/* 优势 */
.adv h3{font-size:18px;margin:0 0 10px;color:var(--ink);}
.adv h3 span{color:var(--accent);margin-right:6px;}
.adv p{margin:0;font-size:14.8px;color:var(--ink-soft);}

/* 故事 */
#brand-story .story-flex{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center;}
@media(max-width:860px){#brand-story .story-flex{grid-template-columns:1fr;}}
#brand-story p{font-size:15.5px;color:var(--ink-soft);}

/* 时间线 */
.tl{border-left:3px solid var(--accent);margin-left:10px;padding-left:24px;}
.tl-item{position:relative;margin-bottom:26px;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:6px;width:14px;height:14px;
  background:var(--paper);border:2.5px solid var(--accent);border-radius:50% 44% 52% 48%;
}
.tl-item h4{margin:0 0 4px;font-size:16.5px;color:var(--ink);}
.tl-item p{margin:0;font-size:14.5px;color:var(--ink-soft);}

/* 新闻 */
.news-item{
  background:var(--paper-2);border:2px solid var(--ink);
  border-radius:12px 4px 12px 4px;padding:20px 22px;
  box-shadow:4px 4px 0 rgba(68,64,60,.2);margin-bottom:20px;
}
.news-item h3{margin:0 0 8px;font-size:18px;color:var(--ink);}
.news-item .date{
  display:inline-block;font-size:13px;color:var(--accent);font-weight:700;
  border:1.5px dashed var(--accent);border-radius:8px 3px 8px 3px;
  padding:1px 9px;margin-bottom:10px;letter-spacing:.5px;
}
.news-item p{margin:0;font-size:15px;color:var(--ink-soft);}

/* FAQ */
.faq-item{
  border:2px solid var(--ink);border-radius:12px 4px 12px 4px;
  background:var(--paper-2);padding:18px 22px;box-shadow:4px 4px 0 rgba(68,64,60,.2);
  margin-bottom:18px;
}
.faq-item h3{margin:0 0 10px;font-size:17px;color:var(--accent);}
.faq-item p{margin:0;font-size:15px;color:var(--ink-soft);}

/* CTA */
#cta .cta-box{
  border:3px double var(--ink);border-radius:16px 6px 16px 6px;
  background:linear-gradient(120deg,#cfcbc7,var(--paper-2));
  padding:38px 30px;text-align:center;box-shadow:7px 7px 0 rgba(68,64,60,.22);
}
#cta h2{margin:0 0 12px;font-size:25px;color:var(--ink);}
#cta p{color:var(--ink-soft);margin:0 auto 24px;max-width:760px;font-size:15.5px;}

/* 游戏推荐 */
.game-card{
  border:2px solid var(--ink);border-radius:12px 4px 12px 4px;overflow:hidden;
  background:var(--paper-2);box-shadow:4px 4px 0 rgba(68,64,60,.2);
}
.game-card img{height:160px;width:100%;object-fit:cover;border-bottom:2px solid var(--ink);}
.game-card .gc-body{padding:16px 18px;}
.game-card h3{margin:0 0 8px;font-size:17px;}
.game-card p{margin:0;font-size:14.5px;color:var(--ink-soft);}

/* 页脚 */
footer{
  border-top:3px double var(--ink);background:#cbc7c3;
  padding:38px 0 24px;margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:26px;}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr;}}
footer h4{margin:0 0 12px;font-size:16px;color:var(--accent);letter-spacing:1px;}
footer p,footer li{font-size:14.5px;color:var(--ink-soft);margin:0 0 8px;list-style:none;}
footer ul{padding:0;margin:0;}
.foot-bottom{
  border-top:1.5px dashed var(--ink);margin-top:26px;padding-top:16px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:14px;color:var(--ink-soft);
}
.tag{display:inline-block;font-size:12.5px;border:1.5px solid var(--accent);color:var(--accent);border-radius:8px 3px 8px 3px;padding:1px 8px;margin-right:6px;}