/* =========================================================
   亚虎游戏 · 共享外壳样式 /assets/site.css
   峡谷深蓝底 · 沙漠暮金识别 · 电光青/赤焰橙状态
   ========================================================= */

/* ---------- 令牌 ---------- */
:root{
  --canyon-900:#0E1728;
  --canyon-800:#16233A;
  --canyon-700:#22344F;
  --line-blue:#3B5578;
  --desert-gold:#C9A227;
  --volt-cyan:#00E5FF;
  --flame-orange:#FF5A36;
  --sand-white:#E8E3D6;
  --rock-grey:#8E97A8;
  --paper-white:#F2F5F7;
  --ink:#16233A;
  --ink-muted:#4E5A6E;
  --text-muted:var(--rock-grey);
  --ease:cubic-bezier(.2,.7,.3,1);
  --shell:1440px;
  --font-cn:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"IBM Plex Mono","SFMono-Regular",Menlo,Consolas,monospace;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
h1,h2,h3,h4,h5,p,figure,blockquote,pre{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}
summary{list-style:none;cursor:pointer}
summary::-webkit-details-marker{display:none}
i{font-style:normal}

/* ---------- 基础排版 ---------- */
body{
  background-color:var(--canyon-800);
  background-image:
    linear-gradient(180deg,rgba(201,162,39,.06),rgba(201,162,39,0) 420px),
    repeating-linear-gradient(90deg,rgba(59,85,120,.18) 0 1px,rgba(59,85,120,0) 1px 120px);
  color:var(--sand-white);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}

.display-1,.display-2,.display-3{
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.1;
  color:var(--sand-white);
}
.display-1{font-size:clamp(38px,6vw,64px);line-height:1.06}
.display-2{font-size:clamp(28px,4vw,44px)}
.display-3{font-size:clamp(22px,2.6vw,30px)}
.narrow{display:inline-block;transform:scaleX(.94);transform-origin:left center}

.section-num{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--desert-gold);
  margin-bottom:14px;
}
.section-title{
  font-size:clamp(26px,3.4vw,44px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.14;
}
.section-note{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-muted);
  margin-top:12px;
}

.annot{
  font-size:11px;
  letter-spacing:.18em;
  color:var(--text-muted);
  line-height:1.6;
}
.annot--vertical{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  letter-spacing:.32em;
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.measure{max-width:34em}

/* ---------- 布局 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 24px;
}
.band{padding:72px 0}
.band--paper{
  --text-muted:var(--ink-muted);
  background:var(--paper-white);
  color:var(--ink);
}
.band--paper .display-1,
.band--paper .display-2,
.band--paper .display-3,
.band--paper .section-title{color:var(--canyon-900)}

.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}

/* ---------- 焦点与跳转 ---------- */
:focus-visible{
  outline:2px solid var(--volt-cyan);
  outline-offset:2px;
}
.skip-link{
  position:fixed;
  top:8px;
  left:8px;
  z-index:200;
  padding:10px 16px;
  background:var(--volt-cyan);
  color:var(--canyon-900);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-decoration:none;
  transform:translateY(-220%);
  transition:transform .16s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--canyon-900);
  border-bottom:1px solid var(--line-blue);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,var(--desert-gold),rgba(201,162,39,0) 65%);
}
.header-rail{
  height:6px;
  background-image:repeating-linear-gradient(90deg,var(--line-blue) 0 1px,rgba(59,85,120,0) 1px 32px);
  opacity:.55;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:74px;
  padding-top:8px;
  padding-bottom:8px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  text-decoration:none;
}
.brand-mark{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border:1px solid var(--desert-gold);
  background:linear-gradient(135deg,rgba(201,162,39,.16),rgba(201,162,39,0) 62%);
  color:var(--desert-gold);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
}
.brand-main{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.brand-name{
  font-size:21px;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--sand-white);
}
.brand-note{
  font-size:10px;
  letter-spacing:.16em;
  color:var(--rock-grey);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.header-end{display:flex;align-items:center;gap:14px}
.lang-tag{
  font-size:11px;
  letter-spacing:.18em;
  color:var(--rock-grey);
  padding-left:12px;
  border-left:1px solid var(--line-blue);
}
.meta-link{
  font-size:11px;
  letter-spacing:.12em;
  color:var(--rock-grey);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.meta-link:hover{color:var(--volt-cyan);border-bottom-color:var(--volt-cyan)}

/* ---------- 版本徽标 ---------- */
.version-badge{position:relative}
.version-badge>summary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border:1px solid var(--volt-cyan);
  background:rgba(0,229,255,.06);
  transition:background-color .16s var(--ease);
}
.version-badge>summary:hover{background:rgba(0,229,255,.14)}
.vb-num{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--volt-cyan);
}
.vb-label{
  font-size:10px;
  letter-spacing:.16em;
  color:var(--rock-grey);
}
.vb-note{
  position:absolute;
  right:0;
  top:calc(100% + 10px);
  z-index:90;
  width:232px;
  padding:12px 14px;
  margin:0;
  background:var(--canyon-900);
  border:1px solid var(--line-blue);
  border-left:2px solid var(--volt-cyan);
  font-size:12px;
  line-height:1.75;
  color:var(--sand-white);
  text-align:left;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  background:transparent;
  color:var(--sand-white);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn--flame{background:var(--flame-orange);border-color:var(--flame-orange);color:#101828}
.btn--flame:hover{background:#FF7A5C;border-color:#FF7A5C}
.btn--ghost{border-color:var(--line-blue);color:var(--sand-white)}
.btn--ghost:hover{border-color:var(--desert-gold);color:var(--desert-gold)}
.btn--cyan{border-color:var(--volt-cyan);color:var(--volt-cyan)}
.btn--cyan:hover{background:rgba(0,229,255,.12)}

/* ---------- 栏目矩阵 ---------- */
.site-nav{position:static}
.nav-trigger{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  background:transparent;
  border:1px solid var(--line-blue);
  color:var(--sand-white);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.nav-trigger:hover{border-color:var(--desert-gold);color:var(--desert-gold)}
.nav-trigger-icon{
  display:grid;
  grid-template-columns:repeat(3,4px);
  grid-auto-rows:4px;
  gap:2px;
}
.nav-trigger-icon i{display:block;background:var(--volt-cyan);opacity:.7;transition:opacity .16s var(--ease)}
.nav-trigger:hover .nav-trigger-icon i{opacity:1}
.site-nav[data-open] .nav-trigger-icon i{opacity:1}

.nav-drawer{
  position:absolute;
  left:0;
  right:0;
  top:100%;
  z-index:75;
  display:none;
  padding:26px 0 30px;
  background:var(--canyon-900);
  border-top:1px solid var(--line-blue);
  border-bottom:1px solid var(--desert-gold);
}
.site-nav[data-open] .nav-drawer{display:block}

.drawer-label{
  font-size:11px;
  letter-spacing:.22em;
  color:var(--text-muted);
  margin-bottom:16px;
}
.nav-matrix{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:1px;
  background:var(--line-blue);
  border:1px solid var(--line-blue);
}
.nav-matrix li{background:var(--canyon-900)}
.nav-matrix a{
  display:block;
  height:100%;
  padding:18px 16px 20px;
  text-decoration:none;
  color:var(--sand-white);
  transition:background-color .16s var(--ease),box-shadow .16s var(--ease);
}
.nav-num{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--rock-grey);
  transition:color .16s var(--ease);
}
.nav-label{
  display:block;
  margin-top:10px;
  font-size:16px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.35;
}
.nav-hint{
  display:block;
  margin-top:8px;
  font-size:11px;
  letter-spacing:.04em;
  line-height:1.6;
  color:var(--rock-grey);
}
.nav-matrix a:hover{
  background:var(--canyon-700);
  box-shadow:inset 2px 0 0 var(--desert-gold);
}
.nav-matrix a:hover .nav-num{color:var(--volt-cyan)}
.nav-matrix a[aria-current="page"]{
  background:var(--canyon-700);
  box-shadow:inset 2px 0 0 var(--desert-gold);
}
.nav-matrix a[aria-current="page"] .nav-num{color:var(--volt-cyan)}
.nav-matrix a[aria-current="page"] .nav-label{color:var(--desert-gold)}
.drawer-foot{
  margin-top:18px;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--text-muted);
}

.scroll-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  z-index:85;
  display:block;
  width:0;
  height:2px;
  background:var(--desert-gold);
  transition:width .08s linear;
}

/* ---------- 档案夹组件 ---------- */
.archive-card{
  position:relative;
  padding:34px 24px 24px 60px;
  background:var(--canyon-700);
  border:1px solid var(--line-blue);
  transition:transform .16s var(--ease),border-color .16s var(--ease);
}
.archive-card:hover{transform:translateY(-2px);border-color:var(--desert-gold)}
.archive-tag{
  position:absolute;
  top:0;
  left:0;
  max-width:100%;
  padding:5px 12px 6px;
  background:var(--canyon-900);
  border-right:1px solid var(--line-blue);
  border-bottom:1px solid var(--line-blue);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--desert-gold);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.archive-rail{
  position:absolute;
  left:0;
  top:34px;
  bottom:0;
  width:44px;
  display:flex;
  justify-content:center;
  padding-top:6px;
  border-right:1px solid var(--line-blue);
}
.archive-rail span{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.28em;
  color:var(--rock-grey);
  transition:color .16s var(--ease);
}
.archive-card:hover .archive-rail span{color:var(--volt-cyan)}
.archive-title{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.35;
  margin-bottom:8px;
}
.archive-text{font-size:14px;line-height:1.8}
.archive-meta{
  margin-top:12px;
  font-size:11px;
  letter-spacing:.1em;
  color:var(--text-muted);
}

/* ---------- 标签 ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line-blue);
  background:transparent;
  color:var(--text-muted);
  font-size:11px;
  letter-spacing:.14em;
  line-height:1.6;
}
.chip--cyan{border-color:var(--volt-cyan);color:var(--volt-cyan)}
.chip--flame{border-color:var(--flame-orange);color:var(--flame-orange)}
.chip--gold{border-color:var(--desert-gold);color:var(--desert-gold)}

/* ---------- 资料表 ---------- */
.data-table{width:100%;font-size:14px}
.data-table th,
.data-table td{
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--line-blue);
}
.data-table th{
  font-size:11px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--text-muted);
  border-bottom-color:var(--desert-gold);
}
.data-table td:first-child{
  font-family:var(--font-mono);
  color:var(--desert-gold);
  white-space:nowrap;
}
.band--paper .data-table th,
.band--paper .data-table td{border-bottom-color:#C9CFD6}
.band--paper .data-table th{border-bottom-color:var(--desert-gold)}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--canyon-900);
  border:1px solid var(--line-blue);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(135deg,rgba(0,229,255,.1),rgba(0,229,255,0) 58%);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame__caption{
  position:absolute;
  left:0;
  bottom:0;
  z-index:2;
  padding:6px 12px;
  background:var(--canyon-900);
  border-top:1px solid var(--line-blue);
  border-right:1px solid var(--line-blue);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--rock-grey);
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:20px 0;
  font-size:11px;
  letter-spacing:.12em;
  color:var(--text-muted);
}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li+li::before{content:"/";color:var(--line-blue)}
.breadcrumbs a{text-decoration:none}
.breadcrumbs a:hover{color:var(--volt-cyan)}
.breadcrumbs [aria-current="page"]{color:var(--sand-white)}
.band--paper .breadcrumbs [aria-current="page"]{color:var(--canyon-900)}

/* ---------- 入场 ---------- */
[data-reveal]{opacity:1;transform:none}
html.js [data-reveal]{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .24s ease-out,transform .24s ease-out;
}
html.js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--desert-gold);
  background:var(--canyon-900);
}
.footer-band{
  padding:40px 0;
  border-bottom:1px solid rgba(59,85,120,.55);
}
.footer-band:last-child{border-bottom:0}
.footer-band--index{background:var(--canyon-900)}
.footer-band--nav{background:#101B2E}
.footer-band--contact{background:var(--canyon-900);padding-bottom:48px}

.band-label{
  font-size:11px;
  letter-spacing:.22em;
  color:var(--text-muted);
}
.lead-index{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin-top:18px;
  background:var(--line-blue);
  border:1px solid var(--line-blue);
}
.lead-index li{background:#101B2E}
.lead-link{
  display:block;
  height:100%;
  padding:18px 16px 20px;
  text-decoration:none;
  color:var(--sand-white);
  transition:background-color .16s var(--ease);
}
.lead-num{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--desert-gold);
  transition:color .16s var(--ease);
}
.lead-label{
  display:block;
  margin-top:10px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
}
.lead-hint{
  display:block;
  margin-top:6px;
  font-size:11px;
  line-height:1.6;
  color:var(--rock-grey);
}
.lead-link:hover{background:var(--canyon-700)}
.lead-link:hover .lead-num{color:var(--volt-cyan)}
.lead-link:hover .lead-label{color:var(--desert-gold)}

.footer-cols{
  display:grid;
  grid-template-columns:1.3fr 1fr .8fr;
  gap:36px;
}
.footer-col-title{
  font-size:11px;
  letter-spacing:.22em;
  color:var(--rock-grey);
  padding-bottom:10px;
  border-bottom:1px solid var(--line-blue);
  margin-bottom:16px;
}
.footer-brand-name{
  font-size:20px;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--sand-white);
}
.footer-brand-note{
  margin-top:10px;
  max-width:26em;
  font-size:13px;
  line-height:1.8;
  color:var(--rock-grey);
}
.footer-list li+li{margin-top:8px}
.footer-list a{
  font-size:14px;
  text-decoration:none;
  color:var(--sand-white);
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-list a:hover{color:var(--volt-cyan);border-bottom-color:var(--volt-cyan)}

.contact-list{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:4px;
}
.contact-key{
  display:block;
  font-size:11px;
  letter-spacing:.18em;
  color:var(--rock-grey);
  margin-bottom:6px;
}
.contact-value{
  font-size:14px;
  line-height:1.7;
  color:var(--sand-white);
  word-break:break-word;
}
.contact-boundary{
  max-width:42em;
  margin-top:24px;
  padding-left:14px;
  border-left:2px solid var(--desert-gold);
  font-size:12.5px;
  line-height:1.8;
  color:var(--rock-grey);
}
.legal-line{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 20px;
  margin-top:24px;
  padding-top:16px;
  border-top:1px solid var(--line-blue);
  font-size:12px;
  color:var(--rock-grey);
}
.footer-icp{font-family:var(--font-mono);letter-spacing:.04em}

/* ---------- 平板 ---------- */
@media (max-width:1080px){
  .nav-matrix{grid-template-columns:repeat(3,1fr)}
  .footer-cols{grid-template-columns:1fr 1fr;gap:28px}
  .lead-index{grid-template-columns:repeat(2,1fr)}
  .band{padding:60px 0}
}

/* ---------- 窄屏 ---------- */
@media (max-width:860px){
  .shell{padding:0 18px}
  .lang-tag,.meta-link{display:none}
  .brand-note{display:none}
  .btn--flame{display:none}
  .header-inner{min-height:66px}
  .contact-list{grid-template-columns:1fr;gap:16px}
  .grid-12{grid-template-columns:repeat(6,1fr)}
}

/* ---------- 手机 ---------- */
@media (max-width:640px){
  .shell{padding:0 16px}
  .header-end{gap:8px}
  .nav-trigger{padding:9px 11px;gap:8px}
  .nav-trigger-text{font-size:12px}
  .nav-matrix{grid-template-columns:1fr}
  .nav-label{font-size:15px}
  .vb-label{display:none}
  .lead-index{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr}
  .grid-12{grid-template-columns:repeat(2,1fr);gap:16px}
  .band{padding:48px 0}
  .archive-card{padding:32px 18px 20px 52px}
  .archive-rail{width:38px}
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html.js [data-reveal]{opacity:1;transform:none;transition:none}
  .skip-link{transition:none}
  .archive-card:hover{transform:none}
}