:root{
  --gold:#f4c56d; --gold-bright:#ffe9a8; --gold-deep:#c98a2a;
  --vermilion:#c4452d; --vermilion-bright:#e8603a;
  --cream:#f8ead0; --ink:#0c0703; --jade:#3ecf8e;
  --line:rgba(244,197,109,.16);
  --glass:rgba(28,18,9,.55);
  --ssr:#ff5a4a; --sr:#ff9a3c; --r:#b07cff; --n:#7ec8e3;
  --wei:#5b8def; --shu:#46c98b; --wu:#e8603a; --qun:#d8b46a;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC",sans-serif;
  background:#0a0603; color:var(--cream); min-height:100vh; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font-family:inherit}

/* ===== 通用容器 / 标题 ===== */
.wrap{width:min(1160px,92%);margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:4px;color:var(--gold);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before,.eyebrow::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.eyebrow::after{background:linear-gradient(90deg,var(--gold),transparent)}
.sec-title{
  font-family:"ZCOOL XiaoWei",serif;font-size:40px;letter-spacing:6px;
  color:#fff5d6;text-align:center;line-height:1.2;
}
.sec-title .accent{color:var(--gold);text-shadow:0 0 22px rgba(244,197,109,.4)}
.lead{text-align:center;color:#e7c98c;margin:14px auto 0;max-width:640px;line-height:1.9;font-size:15px}
.section{padding:96px 0;position:relative}

/* ===== 导航 ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;gap:26px;padding:14px 40px;
  background:rgba(10,6,3,.55);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:padding .3s,background .3s;
}
.nav.scrolled{padding:10px 40px;background:rgba(10,6,3,.86)}
.brand{
  font-family:"ZCOOL XiaoWei",serif;font-size:26px;letter-spacing:5px;color:#ffe9a8;
  display:flex;align-items:center;gap:12px;
}
.brand .logo{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:radial-gradient(circle at 30% 25%,#ffe9a8,#c98a2a);
  box-shadow:0 0 18px rgba(244,197,109,.5);font-family:"Ma Shan Zheng",serif;color:#4a2208;font-size:26px;
}
.brand img{width:42px;height:42px;object-fit:contain}
.nav-links{display:flex;gap:26px;margin-left:14px;font-size:15px;color:#ffe9c4}
.nav-links a{position:relative;padding:6px 2px;transition:color .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .25s}
.nav-links a:hover{color:var(--gold)}
.nav-links a:hover::after{width:100%}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.user-chip{color:#ffd89a;font-size:14px}

.btn{
  height:42px;padding:0 22px;border-radius:22px;border:none;cursor:pointer;
  font-weight:700;font-size:14px;letter-spacing:1px;transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn-gold{background:linear-gradient(135deg,#ffe9a8,#f0b54a);color:#4a2208;box-shadow:0 6px 18px rgba(201,138,42,.4)}
.btn-gold:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 10px 26px rgba(201,138,42,.55)}
.btn-ghost{background:rgba(255,233,168,.06);color:#ffe9a8;border:1px solid rgba(244,197,109,.45)}
.btn-ghost:hover{background:rgba(255,233,168,.14);transform:translateY(-2px)}
.btn-lg{height:56px;padding:0 38px;font-size:18px;letter-spacing:3px;border-radius:28px}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:url('../assets/bg-title.png') center/cover no-repeat,#100a05;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:120%;height:80%;background:radial-gradient(ellipse at center,rgba(244,197,109,.28),transparent 60%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,4,2,.35) 0%,rgba(8,4,2,.2) 40%,rgba(8,4,2,.92) 100%),
             linear-gradient(90deg,rgba(8,4,2,.6),transparent 50%,rgba(8,4,2,.5));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;width:min(1160px,92%);margin:0 auto;padding-top:70px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:20px;
  background:rgba(244,197,109,.12);border:1px solid rgba(244,197,109,.4);
  color:var(--gold-bright);font-size:13px;letter-spacing:2px;margin-bottom:22px;
  backdrop-filter:blur(6px);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--jade);box-shadow:0 0 10px var(--jade)}
.hero h1{
  font-family:"Ma Shan Zheng",serif;font-size:118px;line-height:1;letter-spacing:8px;
  background:linear-gradient(180deg,#fff7df 0%,#ffe9a8 45%,#f0b54a 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 8px 40px rgba(244,197,109,.25);
}
.hero .sub{
  margin:18px 0 8px;font-family:"ZCOOL XiaoWei",serif;font-size:26px;letter-spacing:10px;color:#ffe9c4;
}
.hero .desc{color:#f0d9b0;font-size:16px;letter-spacing:1px;max-width:520px;line-height:1.9;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-actions .btn-lg{display:inline-flex;align-items:center;justify-content:center;gap:10px}
.hero-stats{display:flex;gap:38px;margin-top:54px;flex-wrap:wrap}
.hero-stats .st{position:relative}
.hero-stats .num{font-family:"ZCOOL XiaoWei",serif;font-size:38px;color:#ffe9a8;line-height:1}
.hero-stats .num small{font-size:18px;color:var(--gold)}
.hero-stats .lbl{font-size:13px;color:#cbb48a;letter-spacing:2px;margin-top:6px}
.hero-stats .st:not(:last-child)::after{content:"";position:absolute;right:-19px;top:4px;height:42px;width:1px;background:var(--line)}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:#cbb48a;font-size:12px;letter-spacing:3px;animation:bob 2s infinite}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* ===== 区块分隔（金线 + 印章） ===== */
.divider{display:flex;align-items:center;justify-content:center;gap:16px;margin:0 auto;width:min(1160px,92%)}
.divider .ln{height:1px;flex:1;background:linear-gradient(90deg,transparent,var(--line),transparent)}
.divider .seal{
  width:42px;height:42px;border-radius:8px;border:1px solid var(--gold);color:var(--gold);
  display:grid;place-items:center;font-family:"Ma Shan Zheng",serif;font-size:20px;background:rgba(244,197,109,.06);
}

/* ===== 游戏特色 ===== */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.feat{
  position:relative;border-radius:18px;overflow:hidden;
  background:linear-gradient(180deg,rgba(40,26,14,.7),rgba(16,10,6,.9));
  border:1px solid var(--line);transition:transform .3s,box-shadow .3s,border-color .3s;
}
.feat:hover{transform:translateY(-8px);box-shadow:0 22px 44px rgba(0,0,0,.5);border-color:rgba(244,197,109,.45)}
.feat .ph{height:172px;position:relative;overflow:hidden}
.feat .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.feat:hover .ph img{transform:scale(1.08)}
.feat .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(16,10,6,.95))}
.feat .ic{
  position:absolute;top:12px;left:12px;z-index:2;width:38px;height:38px;border-radius:10px;
  background:rgba(12,8,4,.7);border:1px solid var(--line);display:grid;place-items:center;
  font-size:20px;backdrop-filter:blur(4px);
}
.feat .body{padding:18px 18px 22px;position:relative}
.feat h3{font-size:20px;color:#ffe9a8;margin-bottom:8px;font-family:"ZCOOL XiaoWei",serif;letter-spacing:1px}
.feat p{font-size:13.5px;line-height:1.75;color:#f0d9b0}

/* ===== 玩法步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px;position:relative}
.steps::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,transparent,var(--line),transparent);z-index:0}
.step{position:relative;z-index:1;text-align:center}
.step .n{
  width:54px;height:54px;margin:0 auto 16px;border-radius:50%;
  background:radial-gradient(circle at 30% 25%,#ffe9a8,#c98a2a);color:#4a2208;
  font-family:"ZCOOL XiaoWei",serif;font-size:26px;display:grid;place-items:center;
  box-shadow:0 0 0 6px rgba(244,197,109,.12),0 8px 20px rgba(201,138,42,.4);
}
.step h3{font-size:18px;color:#ffe9a8;margin-bottom:8px}
.step p{font-size:13px;line-height:1.7;color:#e9cd9a;max-width:200px;margin:0 auto}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.info{
  border-radius:18px;padding:26px 28px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(44,28,15,.85),rgba(18,11,6,.92));border:1px solid var(--line);
}
.info::before{content:"";position:absolute;right:-30px;top:-30px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(244,197,109,.16),transparent 70%)}
.info h3{font-size:22px;color:#ffe9a8;margin-bottom:12px;font-family:"ZCOOL XiaoWei",serif;letter-spacing:1px}
.info p{font-size:14px;line-height:1.85;color:#f0d9b0}

/* ===== 武将图鉴 ===== */
.faction-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:26px 0 44px}
.faction-bar .f{
  display:inline-flex;align-items:center;gap:7px;padding:7px 16px;border-radius:18px;
  font-size:13px;letter-spacing:2px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#e9cd9a;
}
.faction-bar .f i{width:9px;height:9px;border-radius:50%}
.hero-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.hc{
  position:relative;border-radius:16px;overflow:hidden;padding:14px 10px 16px;text-align:center;
  background:linear-gradient(180deg,rgba(36,22,12,.9),rgba(14,9,5,.95));
  border:1px solid var(--qc,#d4a24a);transition:transform .3s,box-shadow .3s;
}
.hc::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 18%,var(--qc,#d4a24a) 0%,transparent 55%);opacity:.18;pointer-events:none}
.hc:hover{transform:translateY(-8px);box-shadow:0 18px 38px rgba(0,0,0,.5),0 0 22px var(--gc,rgba(244,197,109,.3))}
.hc .art{height:168px;display:flex;align-items:flex-end;justify-content:center}
.hc .art img{height:168px;object-fit:contain;filter:drop-shadow(0 8px 14px rgba(0,0,0,.5))}
.hc .nm{font-family:"ZCOOL XiaoWei",serif;font-size:19px;color:#fff5d6;margin-top:8px;letter-spacing:1px}
.hc .role{font-size:12px;color:#cbb48a;margin-top:4px}
.hc .tags{display:flex;gap:6px;justify-content:center;margin-top:9px}
.hc .tag{font-size:11px;padding:3px 9px;border-radius:10px;letter-spacing:1px}
.tag.q{color:#fff;font-weight:700}
.tag.f{background:rgba(255,255,255,.06);border:1px solid var(--line);color:#e9cd9a}
.qc-SSR{--qc:#ff5a4a;--gc:rgba(255,90,74,.45)}
.qc-SR{--qc:#ff9a3c;--gc:rgba(255,154,60,.4)}
.qc-R{--qc:#b07cff;--gc:rgba(176,124,255,.4)}
.qc-N{--qc:#7ec8e3;--gc:rgba(126,200,227,.4)}
.f-wei{color:var(--wei)} .f-shu{color:var(--shu)} .f-wu{color:var(--wu)} .f-qun{color:var(--qun)}

/* ===== 中原地图 ===== */
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.camp{
  position:relative;border-radius:18px;overflow:hidden;min-height:200px;display:flex;align-items:flex-end;
  border:1px solid var(--line);
}
.camp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .6s}
.camp:hover img{transform:scale(1.06)}
.camp::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,4,2,.1),rgba(8,4,2,.85));z-index:1}
.camp .ct{position:relative;z-index:2;padding:20px}
.camp .ct .ch{font-family:"Ma Shan Zheng",serif;font-size:28px;color:#fff3d2;letter-spacing:3px;text-shadow:0 2px 10px rgba(0,0,0,.6)}
.camp .ct p{font-size:13px;color:#ecd2a4;margin-top:6px;line-height:1.6}
.camp .stage{position:absolute;top:14px;right:14px;z-index:2;font-size:12px;color:var(--gold-bright);border:1px solid var(--line);padding:4px 10px;border-radius:12px;background:rgba(12,8,4,.6)}

/* ===== CTA 横幅 ===== */
.cta{
  position:relative;margin:0 auto;width:min(1160px,92%);border-radius:26px;overflow:hidden;
  padding:64px 40px;text-align:center;
  background:linear-gradient(120deg,#3a1a0e,#7a2a14 50%,#c4452d);
  border:1px solid rgba(244,197,109,.4);box-shadow:0 24px 60px rgba(120,30,14,.4);
}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,233,168,.35),transparent 50%)}
.cta h2{position:relative;font-family:"Ma Shan Zheng",serif;font-size:52px;color:#fff6dc;letter-spacing:6px;text-shadow:0 4px 20px rgba(0,0,0,.4)}
.cta p{position:relative;color:#ffe6c4;margin:14px 0 30px;font-size:17px;letter-spacing:2px}
.cta .btn{position:relative}

/* ===== 公告 ===== */
.notice{
  margin:64px auto 0;width:min(1160px,92%);padding:20px 24px;border:1px dashed rgba(244,197,109,.4);
  border-radius:14px;color:#cbb48a;font-size:13px;line-height:1.9;text-align:center;background:rgba(244,197,109,.03);
}

/* ===== 页脚 ===== */
footer{padding:54px 16px 46px;text-align:center;color:#9a7a4a;font-size:12px;margin-top:96px;
  border-top:1px solid var(--line);background:linear-gradient(#160d06,#0a0603)}
footer .links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;align-items:center;font-size:13px;color:#cbb48a}
footer a{color:#e8c879} footer a:hover{text-decoration:underline}
footer .sep{color:#6b5436}
footer .isbn{margin-top:12px;color:#b89a6a}
footer .copy{margin-top:10px}
footer .tip{margin-top:10px;color:#7a6242;line-height:1.7;max-width:680px;margin-left:auto;margin-right:auto}

/* ===== 登录弹窗 ===== */
.mask{position:fixed;inset:0;z-index:60;background:rgba(6,3,1,.78);backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;padding:20px}
.mask.show{display:flex}
.modal{
  width:440px;max-width:100%;border-radius:22px;position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(58,36,20,.96),rgba(24,14,8,.98));
  border:1px solid rgba(244,197,109,.5);box-shadow:0 30px 80px rgba(0,0,0,.6);
  padding:30px 30px 28px;
}
.modal::before{content:"";position:absolute;top:-40px;left:50%;transform:translateX(-50%);width:200px;height:120px;
  background:radial-gradient(circle,rgba(244,197,109,.4),transparent 70%);pointer-events:none}
.modal .x{position:absolute;top:14px;right:14px;width:34px;height:34px;border:none;border-radius:50%;
  background:rgba(90,26,16,.8);color:#ffe9a8;cursor:pointer;font-size:18px;z-index:2}
.modal h3{font-family:"Ma Shan Zheng",serif;font-size:34px;text-align:center;color:#fff5d6;letter-spacing:4px;margin-bottom:4px}
.modal .msub{text-align:center;color:#cbb48a;font-size:13px;margin-bottom:20px}
.tabs{display:flex;gap:10px;margin-bottom:18px}
.tabs button{flex:1;height:42px;border-radius:12px;cursor:pointer;border:1px solid var(--line);
  background:rgba(20,12,6,.6);color:#ffe9a8;font-size:15px;transition:.2s}
.tabs button.on{background:linear-gradient(135deg,#ffe9a8,#f0b54a);color:#4a2208;font-weight:700;border-color:transparent}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:#ffd89a;margin-bottom:7px;letter-spacing:1px}
.field input{width:100%;height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:rgba(12,8,4,.7);color:#ffe9a8;outline:none;font-size:15px;transition:.2s}
.field input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(244,197,109,.15)}
.err{min-height:18px;color:#ff8a6a;font-size:13px;margin-bottom:8px}
.modal .btn{width:100%;height:50px;font-size:16px;letter-spacing:2px}
.hint{font-size:12px;color:#cbb48a;margin-top:12px;text-align:center;line-height:1.6}

/* ===== 滚动揭示 ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media(max-width:1080px){.hero-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:900px){
  .nav{padding:10px 14px;gap:10px}.nav-links{display:none}.brand{font-size:21px}
  .hero h1{font-size:64px}.hero .sub{font-size:20px}
  .feat-grid,.steps{grid-template-columns:1fr 1fr}
  .steps::before{display:none}
  .info-grid,.map-grid{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:repeat(3,1fr)}
  .hero-stats{gap:22px}.hero-stats .st:not(:last-child)::after{display:none}
  .section{padding:64px 0}.sec-title{font-size:30px}
}
@media(max-width:520px){.hero h1{font-size:48px}.hero-grid{grid-template-columns:1fr 1fr}.cta h2{font-size:34px}}