/* PG游艺馆 · 共享样式 /assets/site.css */

:root{
  --deep:#0B1220;
  --deep-2:#16233D;
  --paper:#F5F1E6;
  --paper-2:#FCFAF3;
  --stone:#D9D3C6;
  --moss:#7C8F73;
  --clay:#B4735A;
  --violet:#7A5CFF;
  --violet-soft:#B98BFF;
  --gold:#E4A854;
  --lime:#C9E44C;
  --ink:#12151C;
  --mist:#E8EBF2;

  --line-night:rgba(217,211,198,.20);
  --line-night-soft:rgba(217,211,198,.12);
  --line-paper:rgba(18,21,28,.14);
  --ink-soft:rgba(18,21,28,.68);
  --mist-soft:rgba(232,235,242,.70);

  --font-display:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:var(--font-display);
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Noto Sans Mono CJK SC",monospace;

  --shadow-paper:0 1px 0 rgba(180,115,90,.55),0 2px 0 var(--stone);
  --shadow-night:0 10px 30px rgba(0,0,0,.45);
  --glow-violet:0 0 18px rgba(122,92,255,.45);

  --radius-card:6px;
  --wrap:1180px;
  --wrap-wide:1440px;
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:96px;
}

body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.01em;
  line-height:1.18;
  margin:0 0 .6em;
}
h1{font-size:clamp(2.125rem,1.55rem + 2.4vw,3.25rem)}
h2{font-size:clamp(1.6rem,1.32rem + 1.1vw,2.125rem)}
h3{font-size:1.375rem}
h4{font-size:1.125rem}
p{margin:0 0 1.1em}

a{
  color:var(--violet);
  text-decoration:none;
  border-bottom:1px solid rgba(122,92,255,.45);
}
a:hover{border-bottom-color:var(--violet)}
.page-night a{color:var(--violet-soft);border-bottom-color:rgba(185,139,255,.45)}

ul[class],ol[class]{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
[hidden]{display:none !important}
hr{border:0;height:1px;background:var(--line-paper);margin:32px 0}

:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

.skip-link{
  position:fixed;
  left:16px;
  top:10px;
  z-index:120;
  transform:translateY(-180%);
  background:var(--lime);
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  padding:8px 14px;
  border-radius:6px;
  border-bottom:0;
  transition:transform 160ms ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 布局容器 ---------- */
.container,.container-wide{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
.container-wide{max-width:var(--wrap-wide)}
.page-main{padding:34px 0 78px}
.page-night{background:var(--deep);color:var(--mist)}

/* ---------- 工具类 ---------- */
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.txt-soft{color:var(--ink-soft)}
.page-night .txt-soft{color:var(--mist-soft)}
.grid{display:grid;gap:24px}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-auto{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}

/* ---------- 头部 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:60;
  color:var(--mist);
  background:linear-gradient(180deg,rgba(11,18,32,.98),rgba(11,18,32,.92));
  border-bottom:1px solid var(--line-night);
  backdrop-filter:blur(10px);
}
.site-head::after{
  content:"";
  display:block;
  height:3px;
  background-image:repeating-linear-gradient(90deg,var(--clay) 0 6px,transparent 6px 14px);
  opacity:.35;
}
.head-bar{
  max-width:var(--wrap-wide);
  margin:0 auto;
  padding:12px 22px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  grid-template-areas:"brand nav status";
  align-items:center;
  gap:12px 18px;
  transition:padding 200ms ease;
}
.site-head[data-scrolled] .head-bar{padding-top:8px;padding-bottom:8px}

.brand{
  grid-area:brand;
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--mist);
  border-bottom:0;
}
.brand-glyph{
  width:28px;
  height:28px;
  border-radius:4px;
  border:1px solid rgba(180,115,90,.85);
  background:
    linear-gradient(var(--violet),var(--violet)) 0 0/46% 46% no-repeat,
    linear-gradient(var(--gold),var(--gold)) 100% 0/46% 46% no-repeat,
    linear-gradient(var(--lime),var(--lime)) 0 100%/46% 46% no-repeat,
    linear-gradient(var(--violet-soft),var(--violet-soft)) 100% 100%/46% 46% no-repeat,
    var(--deep-2);
  box-shadow:0 0 14px rgba(122,92,255,.45);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:18px;font-weight:900;letter-spacing:-.01em}
.brand-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--moss)}

.nav-toggle{
  grid-area:toggle;
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  border:1px solid var(--line-night);
  background:var(--deep-2);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  transition:border-color 160ms ease,color 160ms ease;
}
.nav-toggle:hover{border-color:var(--violet);color:var(--lime)}
.nav-toggle-bars{
  width:14px;
  height:10px;
  background-image:linear-gradient(var(--lime),var(--lime)),linear-gradient(var(--lime),var(--lime)),linear-gradient(var(--lime),var(--lime));
  background-size:100% 2px,70% 2px,100% 2px;
  background-position:0 0,0 4px,0 8px;
  background-repeat:no-repeat;
}

.pill-nav{
  grid-area:nav;
  justify-self:center;
  padding:6px;
  border-radius:999px;
  border:1px solid var(--line-night);
  background:rgba(22,35,61,.86);
  box-shadow:0 8px 24px rgba(0,0,0,.35),inset 0 0 0 1px rgba(122,92,255,.12);
  visibility:visible;
}
.pill-list{display:flex;align-items:center;gap:2px}
.pill-link{
  display:block;
  padding:8px 14px;
  border-radius:999px;
  border-bottom:0;
  color:var(--mist);
  font-size:14px;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:background 160ms ease,box-shadow 160ms ease,color 160ms ease;
}
.pill-link:hover{
  background:rgba(122,92,255,.20);
  color:#fff;
  box-shadow:inset 0 0 0 1px var(--violet);
}
.pill-link[aria-current="page"]{
  color:#fff;
  background:linear-gradient(120deg,rgba(122,92,255,.55),rgba(185,139,255,.35));
  box-shadow:inset 0 0 0 1px var(--violet-soft),0 0 18px rgba(185,139,255,.35);
}

.head-status{
  grid-area:status;
  justify-self:end;
  margin:0;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border:1px dashed rgba(228,168,84,.5);
  border-radius:999px;
  color:var(--gold);
  white-space:nowrap;
  transition:opacity 200ms ease,visibility 0s;
}
.status-dot{
  width:8px;
  height:8px;
  flex:none;
  background:var(--lime);
  box-shadow:0 0 10px rgba(201,228,76,.8);
  animation:pulse 2.4s ease-in-out infinite;
}
.status-text{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.site-head[data-scrolled] .head-status{opacity:0;visibility:hidden}

.head-progress{height:2px;background:rgba(217,211,198,.14)}
.head-progress-bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--violet),var(--violet-soft) 55%,var(--lime));
  transition:width 120ms linear;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  border-radius:999px;
  border:1px solid transparent;
  border-bottom:1px solid transparent;
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease,color 160ms ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--violet),var(--violet-soft));
  color:#fff;
  box-shadow:0 6px 20px rgba(122,92,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(122,92,255,.45);color:#fff}
.btn-ghost{
  background:transparent;
  border-color:var(--clay);
  color:var(--ink);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--violet);color:var(--violet)}
.page-night .btn-ghost{border-color:var(--line-night);color:var(--mist)}
.page-night .btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-sm{padding:8px 16px;font-size:13px}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin:0 0 26px}
.crumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--moss);
}
.crumb-list li{display:inline-flex;align-items:center;gap:8px}
.crumb-list li:not(:last-child)::after{content:"/";color:var(--clay)}
.crumb-link{color:inherit;border-bottom:1px dotted rgba(124,143,115,.8)}
.crumb-link:hover{color:var(--violet);border-bottom-color:var(--violet)}

/* ---------- 章节头 ---------- */
.section-head{margin:0 0 26px;display:grid;gap:10px}
.section-tag,.section-num{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--moss);
}
.section-tag::before{content:"";width:8px;height:8px;background:currentColor;flex:none}
.section-num{color:var(--gold)}
.section-title{margin:0}
.section-lead{margin:0;max-width:62ch;color:var(--ink-soft)}
.page-night .section-lead{color:var(--mist-soft)}

/* ---------- 卡片 ---------- */
.card{display:block;padding:20px;border-radius:var(--radius-card);transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease}
.paper-card{
  background:var(--paper-2);
  border:1px solid rgba(180,115,90,.55);
  box-shadow:var(--shadow-paper);
}
.paper-card:hover{transform:translateY(-2px);border-color:var(--violet)}
.night-card{
  background:linear-gradient(160deg,var(--deep-2),#101a2e);
  border:1px solid rgba(122,92,255,.35);
  box-shadow:var(--shadow-night);
  color:var(--mist);
}
.night-card:hover{transform:translateY(-2px);border-color:var(--violet-soft);box-shadow:var(--shadow-night),var(--glow-violet)}
.card-title{margin:0 0 8px;font-size:1.125rem;font-weight:900}
.card-meta{margin:0;font-family:var(--font-mono);font-size:12px;color:var(--moss)}

/* ---------- 标签与筛选 ---------- */
.tagbar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid var(--line-paper);
  color:var(--ink-soft);
  transition:border-color 160ms ease,color 160ms ease,background 160ms ease;
}
.tag:hover{border-color:var(--violet);color:var(--violet)}
.tag[aria-pressed="true"]{background:var(--violet);border-color:var(--violet);color:#fff;box-shadow:var(--glow-violet)}
.page-night .tag{color:var(--mist-soft);border-color:var(--line-night)}
.page-night .tag:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- 索引行 ---------- */
.index-list{display:flex;flex-direction:column;border-top:1px solid var(--line-paper)}
.index-row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) auto;
  gap:14px;
  align-items:baseline;
  padding:14px 6px;
  border-bottom:1px solid var(--line-paper);
  transition:background 160ms ease,box-shadow 160ms ease;
}
.index-row:hover{background:rgba(122,92,255,.06);box-shadow:inset 2px 0 0 var(--violet)}
.index-row-num{font-family:var(--font-mono);font-size:12px;color:var(--clay);letter-spacing:.06em}
.index-row-title{font-weight:700}
.index-row-meta{font-family:var(--font-mono);font-size:12px;color:var(--moss)}
.page-night .index-list{border-top-color:var(--line-night)}
.page-night .index-row{border-bottom-color:var(--line-night)}
.page-night .index-row:hover{background:rgba(122,92,255,.14)}

.detail-toggle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  width:100%;
  text-align:left;
  padding:10px 2px;
  font-weight:700;
  border-bottom:1px solid var(--line-paper);
}
.detail-toggle::after{content:"＋";font-family:var(--font-mono);color:var(--clay)}
.detail-toggle[aria-expanded="true"]::after{content:"－";color:var(--violet)}
.detail{display:none}
.detail.is-open{display:block;animation:fadeUp 200ms ease-out}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- 数据面板 ---------- */
.stat{display:flex;flex-direction:column;gap:4px;padding:16px 0}
.stat-value{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.stat-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--moss)}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(180,115,90,.6);
  border-radius:var(--radius-card);
  background:var(--deep-2);
  aspect-ratio:16/9;
}
.media-frame > img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--night::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,18,32,0) 42%,rgba(11,18,32,.78));
  pointer-events:none;
}
.media-frame[data-empty]{
  background-color:var(--deep-2);
  background-image:
    linear-gradient(rgba(122,92,255,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,92,255,.16) 1px,transparent 1px),
    radial-gradient(circle at 28% 22%,rgba(185,139,255,.35),transparent 55%),
    radial-gradient(circle at 76% 80%,rgba(228,168,84,.25),transparent 60%);
  background-size:16px 16px,16px 16px,100% 100%,100% 100%;
}
.media-caption{
  margin:8px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--moss);
}

/* ---------- 显现 ---------- */
html[data-js="on"] [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 320ms ease,transform 320ms ease}
html[data-js="on"] [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  background:var(--deep);
  color:var(--mist);
  border-top:1px solid var(--line-night);
}
.foot-neon{
  height:3px;
  background:linear-gradient(90deg,var(--violet),var(--violet-soft) 28%,var(--gold) 64%,var(--lime));
  opacity:.85;
}
.foot-inner{max-width:var(--wrap-wide);margin:0 auto;padding:48px 22px 20px}
.foot-brand{
  display:flex;
  flex-wrap:wrap;
  gap:18px 28px;
  justify-content:space-between;
  align-items:flex-end;
  padding-bottom:24px;
  border-bottom:1px dashed var(--line-night);
}
.foot-brand-name{margin:0;font-size:26px;font-weight:900;letter-spacing:-.01em}
.foot-brand-sub{
  margin:4px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--moss);
}
.foot-note{margin:0;max-width:520px;font-size:14.5px;color:var(--mist-soft)}
.foot-grid{
  display:grid;
  gap:28px;
  grid-template-columns:1.4fr 1fr 1.1fr 1fr;
  padding:32px 0;
}
.foot-col-title{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--gold);
}
.foot-col-title::before{
  content:"";
  width:8px;
  height:8px;
  flex:none;
  background:var(--lime);
  box-shadow:0 0 8px rgba(201,228,76,.6);
}
.foot-list{display:flex;flex-direction:column;gap:9px}
.foot-list--cluster{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px}
.foot-link{
  color:var(--mist-soft);
  font-size:14.5px;
  border-bottom:1px solid transparent;
  transition:color 160ms ease,border-color 160ms ease;
}
.foot-link:hover{color:var(--lime);border-bottom-color:rgba(201,228,76,.6)}
.foot-copy{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px}
.foot-legal-text{
  margin:8px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--mist-soft);
  word-break:break-all;
}
.foot-copy .foot-legal-text{margin:0}
.copy-btn{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  padding:6px 10px;
  border-radius:8px;
  border:1px solid var(--line-night);
  background:var(--deep-2);
  color:var(--mist);
  transition:border-color 160ms ease,color 160ms ease;
}
.copy-btn:hover{border-color:var(--lime);color:var(--lime)}
.copy-btn[data-copied="true"]{border-color:var(--lime);color:var(--lime)}
.copy-status{font-family:var(--font-mono);font-size:11px;color:var(--lime);min-height:1em}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  align-items:center;
  padding:18px 0 8px;
  border-top:1px solid var(--line-night-soft);
}
.foot-contact{display:flex;flex-wrap:wrap;gap:8px 20px}
.foot-meta{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--mist-soft);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:70;
  width:52px;
  height:52px;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:0;
  border-radius:14px;
  border:1px solid var(--line-night);
  background:rgba(11,18,32,.92);
  color:var(--mist);
  opacity:0;
  visibility:hidden;
  transition:opacity 200ms ease,transform 160ms ease,border-color 160ms ease,color 160ms ease,visibility 0s linear 200ms;
}
.to-top[data-visible]{opacity:1;visibility:visible;transition:opacity 200ms ease,transform 160ms ease,border-color 160ms ease,color 160ms ease}
.to-top:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.to-top-arrow{font-size:16px;line-height:1}
.to-top-label{font-family:var(--font-mono);font-size:9px;letter-spacing:.14em}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .head-bar{
    grid-template-columns:1fr auto;
    grid-template-areas:"brand toggle" "status status" "nav nav";
    padding:10px 16px;
    gap:10px 12px;
  }
  .nav-toggle{display:inline-flex}
  .head-status{justify-self:start;padding:5px 10px}
  .status-text{font-size:11px}
  .site-head[data-scrolled] .head-status{opacity:1;visibility:visible}
  .pill-nav{
    justify-self:stretch;
    padding:0 6px;
    border-radius:20px;
    border-color:transparent;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    transition:max-height 200ms ease,border-color 200ms ease,visibility 0s linear 200ms;
  }
  .site-head[data-open] .pill-nav{
    max-height:70vh;
    overflow-y:auto;
    padding:6px;
    border-color:var(--line-night);
    visibility:visible;
    transition:max-height 200ms ease,border-color 200ms ease;
  }
  .pill-list{flex-direction:column;align-items:stretch;gap:2px}
  .pill-link{padding:12px 14px;border-radius:14px;font-size:15px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .index-row{grid-template-columns:48px minmax(0,1fr);gap:10px}
  .index-row-meta{grid-column:2}
  .foot-list--cluster{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .container,.container-wide{padding:0 16px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-brand-name{font-size:22px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:14px;bottom:14px;width:48px;height:48px}
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .status-dot{animation:none}
  html[data-js="on"] [data-reveal]{opacity:1;transform:none}
  .head-progress-bar{transition:none}
}