:root{
  --navy:#0a2540;
  --navy-2:#123a63;
  --gold:#c9a961;
  --gold-lt:#e0cfa0;
  --cream:#f7f4ed;
  --ink:#1a2332;
  --muted:#6b7a8d;
  --line:#e3ddcf;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  background:#1a2233;
  color:var(--ink);
}
.sans{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;}

/* 手机容器：桌面端居中模拟手机宽 */
.phone{
  position:relative;
  max-width:430px;
  margin:0 auto;
  height:100vh;
  height:100dvh;
  background:var(--cream);
  box-shadow:0 0 60px rgba(0,0,0,.5);
  overflow:hidden;
}
@media(min-width:480px){
  .phone{height:92dvh;margin-top:4dvh;border-radius:24px;}
}

.page{
  position:absolute;inset:0;
  display:none;
  flex-direction:column;
  background:var(--cream);
}
.page.active{display:flex;}

/* ===== 封面 ===== */
#cover{
  background:
    radial-gradient(ellipse at 70% 18%, rgba(201,169,97,.2), transparent 55%),
    linear-gradient(165deg,#0a2540 0%,#0d2f54 55%,#071c33 100%);
  color:#fff;
  padding:44px 30px 34px;
  text-align:center;
  align-items:center;
}
#cover .deco{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:36px 36px;
}
.cover-seal{
  width:54px;height:54px;border:1.5px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:28px;color:var(--gold);margin-bottom:18px;
  position:relative;z-index:2;
}
.cover-brand{font-size:13px;letter-spacing:3px;color:var(--gold-lt);position:relative;z-index:2;line-height:1.6;}
.cover-brand-en{
  font-size:9px;letter-spacing:1.5px;color:rgba(255,255,255,.5);margin-top:2px;
}
.cover-main{margin:auto 0;position:relative;z-index:2;}
.cover-eyebrow{font-size:11px;letter-spacing:6px;color:var(--gold);margin-bottom:16px;}
.cover-title{font-size:42px;font-weight:700;letter-spacing:5px;line-height:1.2;}
.cover-title .accent{color:var(--gold);display:block;margin-top:4px;}
.cover-divider{width:48px;height:2px;background:var(--gold);margin:24px auto;}
.cover-slogan{font-size:13px;letter-spacing:4px;color:rgba(255,255,255,.6);font-style:italic;}
.cover-issue{
  display:inline-block;margin-top:20px;
  font-size:10.5px;letter-spacing:2px;color:var(--gold-lt);
  border:1px solid rgba(201,169,97,.5);padding:6px 16px;
}
.enter-btn{
  position:relative;z-index:2;
  background:var(--gold);color:var(--navy);
  border:none;padding:13px 46px;
  font-size:14px;letter-spacing:4px;cursor:pointer;
  font-family:inherit;
}
.enter-btn:active{transform:scale(.97);}
.cover-bottom{
  margin-top:26px;position:relative;z-index:2;
  font-size:10.5px;color:rgba(255,255,255,.45);letter-spacing:1.5px;line-height:1.8;
}

/* ===== 目录 ===== */
.toc-scroll{flex:1;overflow-y:auto;padding:26px 22px 30px;-webkit-overflow-scrolling:touch;}
.toc-head{
  text-align:center;padding:6px 0 18px;
  border-bottom:2px solid var(--navy);margin-bottom:18px;
}
.toc-issue{font-size:10px;letter-spacing:3px;color:var(--gold);margin-bottom:8px;}
.toc-head h2{font-size:24px;letter-spacing:5px;color:var(--navy);}
.toc-head .en{font-size:10px;letter-spacing:3px;color:var(--muted);margin-top:6px;}
.toc-item{
  display:flex;align-items:center;gap:14px;
  padding:16px 14px;
  background:#fff;
  margin-bottom:12px;
  border-left:3px solid var(--gold);
  cursor:pointer;
  transition:transform .15s;
}
.toc-item:active{transform:scale(.98);}
.toc-item .no{
  font-size:24px;font-weight:700;color:var(--navy);
  border-right:1px solid var(--line);
  padding-right:14px;align-self:stretch;
  display:flex;align-items:center;
}
.toc-item .info{flex:1;min-width:0;}
.toc-item .cat{
  display:inline-block;font-size:9.5px;letter-spacing:2px;color:var(--gold);
  border:1px solid rgba(201,169,97,.5);padding:2px 8px;margin-bottom:7px;
}
.toc-item .t{font-size:15px;line-height:1.5;color:var(--ink);}
.toc-item .d{font-size:10.5px;color:var(--muted);margin-top:6px;line-height:1.5;}
.toc-item .arrow{color:var(--gold);font-size:20px;flex-shrink:0;}
.toc-foot{
  text-align:center;margin-top:22px;
  font-size:10px;color:var(--muted);letter-spacing:1px;
}

/* ===== 详情（长图） ===== */
#article{background:var(--cream);}
.progress{
  position:absolute;top:0;left:0;right:0;height:3px;z-index:20;background:transparent;
}
.progress-bar{height:100%;width:0;background:var(--gold);transition:width .1s linear;}
.topbar{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;gap:10px;
  padding:14px 18px;
  background:rgba(10,37,64,.97);
  color:#fff;
  backdrop-filter:blur(8px);
}
.back-btn{
  width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.12);
  border:none;color:#fff;font-size:18px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.back-btn:active{background:rgba(255,255,255,.25);}
.issue-label{font-size:11px;letter-spacing:2px;color:var(--gold-lt);}
.topbar-title{font-size:12px;color:rgba(255,255,255,.7);margin-left:auto;letter-spacing:1px;}
.art-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;}
.art-hero{
  background:
    radial-gradient(ellipse at 80% 10%, rgba(201,169,97,.25), transparent 60%),
    linear-gradient(160deg,#0d2f54,#071c33);
  color:#fff;padding:34px 26px 36px;
  position:relative;overflow:hidden;
}
.art-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:30px 30px;
}
.art-hero .tag{
  position:relative;display:inline-block;
  font-size:10px;letter-spacing:2px;color:var(--gold);
  border:1px solid rgba(201,169,97,.5);
  padding:4px 10px;margin-bottom:16px;
}
.art-hero h1{position:relative;font-size:23px;line-height:1.45;letter-spacing:1px;}
.art-hero .meta{position:relative;font-size:11px;color:rgba(255,255,255,.55);margin-top:14px;letter-spacing:1px;}
.art-body{padding:22px 18px 34px;}
.art-img-wrap{
  position:relative;background:#e9e4d8;
  min-height:320px;
  box-shadow:0 2px 14px rgba(10,37,64,.08);
}
.art-loading{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;letter-spacing:3px;color:var(--muted);
}
.art-loading .dots::after{content:"…";}
#art-img{
  display:block;width:100%;height:auto;
  opacity:0;transition:opacity .4s ease;
}
#art-img.loaded{opacity:1;}
.art-end{text-align:center;margin-top:26px;}
.art-end-line{font-size:11px;letter-spacing:3px;color:var(--muted);margin-bottom:16px;}
.back-toc-btn{
  background:var(--navy);color:#fff;
  border:none;padding:12px 38px;
  font-size:13px;letter-spacing:3px;cursor:pointer;
  font-family:inherit;
}
.back-toc-btn:active{transform:scale(.97);}
.art-foot{
  text-align:center;padding-top:18px;margin-top:24px;
  font-size:10px;color:var(--muted);letter-spacing:2px;
  border-top:1px solid var(--line);
}
.to-top{
  position:absolute;right:16px;bottom:24px;z-index:15;
  width:40px;height:40px;border-radius:50%;
  background:rgba(10,37,64,.85);color:var(--gold-lt);
  border:1px solid rgba(201,169,97,.5);
  font-size:16px;cursor:pointer;
  display:none;align-items:center;justify-content:center;
}
.to-top.show{display:flex;}

/* ===== 加载失败 ===== */
.load-error{
  position:absolute;inset:0;z-index:50;
  background:var(--cream);color:var(--navy);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;font-size:18px;letter-spacing:2px;
  padding:0 30px;
}
.load-error .sans{font-size:12px;color:var(--muted);letter-spacing:1px;line-height:2;}
.hidden{display:none !important;}