/* ============================================================
   哈狗游戏中心 · 共享样式表  /assets/site.css
   夜间游戏厅 × 蓝图档案台：深墨绿底、霓虹青电流、暖橘挂牌
   ============================================================ */

/* ---------- 1. tokens ---------- */
:root{
  --ink:#0B1F1A;
  --ink-2:#123029;
  --ink-3:#173B32;
  --line:#1B4A3E;
  --paper:#E8E1D2;
  --paper-hi:#F4EFE3;
  --paper-line:#C9C0AC;
  --cyan:#2BE3C8;
  --cyan-ink:#0B7A69;
  --cyan-soft:rgba(43,227,200,.12);
  --orange:#FF7A2F;
  --orange-ink:#8A3A0E;
  --yellow:#FFC93C;
  --magenta:#F24B6A;
  --muted:#7C9A90;
  --edge:#060F0D;
  --grid:96px;
  --radius:3px;
  --gap:24px;
  --stack:20px;
  --measure:34em;
  --font-head:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --shadow-card:0 20px 44px -36px #000;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
main{display:block}
table{border-collapse:collapse;width:100%}

/* ---------- 3. 底色与材质 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    linear-gradient(to right,rgba(27,74,62,.55) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(27,74,62,.55) 1px,transparent 1px);
  background-size:var(--grid) var(--grid);
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:2;
  pointer-events:none;
  background-image:repeating-linear-gradient(180deg,rgba(255,255,255,.026) 0 1px,transparent 1px 4px);
}
::selection{background:var(--cyan);color:#04231D}

/* ---------- 4. 中文排版 ---------- */
h1,h2,h3,h4,h5{
  font-family:var(--font-head);
  font-weight:900;
  line-height:1.12;
  letter-spacing:-.01em;
  color:var(--paper);
}
h1{font-size:clamp(32px,5.4vw,56px)}
h2{font-size:clamp(26px,3.6vw,40px)}
h3{font-size:clamp(20px,2.4vw,30px)}
h4{font-size:clamp(18px,2vw,20px)}
h5{font-size:17px;letter-spacing:.02em}
p{overflow-wrap:break-word}
strong{font-weight:700;color:var(--paper-hi)}
.mono,.metric,.t-data{
  font-family:var(--font-mono);
  letter-spacing:.04em;
  font-size:15px;
}
.metric{font-size:clamp(20px,2.6vw,30px);font-weight:700}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
}
.t-outline{
  -webkit-text-stroke:1.5px var(--edge);
  text-shadow:3px 3px 0 var(--edge);
}
.t-offset{transform:translateX(-3px)}
.t-tilt{transform:rotate(-2.4deg);transform-origin:left center}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 5. 布局原语 ---------- */
.wrap{width:100%;max-width:1280px;margin-inline:auto;padding-inline:clamp(16px,3vw,40px)}
.wrap--narrow{max-width:920px}
.stack > * + *{margin-top:var(--stack)}
.grid{display:grid;gap:var(--gap)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}
.divider{height:1px;background:var(--line);border:0;margin:0}
.junction{
  height:14px;
  background-image:radial-gradient(circle,var(--line) 1.5px,transparent 1.6px);
  background-size:14px 14px;
  background-position:left center;
}

/* ---------- 6. 焦点与可访问 ---------- */
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.skip-link{
  position:absolute;
  left:12px;
  top:-80px;
  z-index:120;
  padding:10px 18px;
  background:var(--cyan);
  color:#04231D;
  font-weight:700;
  border-radius:var(--radius);
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ---------- 7. 头部：框架式导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(6,15,13,.96);
  border-top:3px solid var(--cyan);
  border-bottom:1px solid var(--line);
}
.site-header__inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,22px);
  max-width:1320px;
  margin-inline:auto;
  padding:12px clamp(16px,3vw,36px);
}
.site-header__rail{
  display:none;
  width:11px;
  height:44px;
  border-right:1px solid var(--line);
  background-image:repeating-linear-gradient(180deg,var(--line) 0 1px,transparent 1px 6px);
}
@media (min-width:1080px){
  .site-header__rail{display:block}
}
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  flex:0 0 auto;
}
.brand__mark{
  font-family:var(--font-head);
  font-weight:900;
  font-size:20px;
  letter-spacing:.02em;
  color:var(--paper);
  text-shadow:2px 2px 0 var(--edge);
  transition:color .16s ease;
}
.brand:hover .brand__mark,
.brand:focus-visible .brand__mark{color:var(--cyan)}
.brand__tagline{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--muted);
}
.brand-status{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 10px;
  border:1px solid var(--line);
  background:rgba(18,48,41,.7);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--yellow);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand-status__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--yellow);
  box-shadow:0 0 0 3px rgba(255,201,60,.16);
  animation:hg-pulse 2.4s ease-in-out infinite;
}
@keyframes hg-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(255,201,60,.16)}
  50%{box-shadow:0 0 0 7px rgba(255,201,60,.04)}
}
.site-nav{
  flex:1 1 auto;
  min-width:0;
  overflow-x:auto;
  overflow-y:hidden;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.site-nav__list{display:flex;align-items:stretch}
.site-nav__list a{
  display:block;
  padding:9px 14px;
  border-left:1px solid var(--line);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--paper);
  white-space:nowrap;
  transition:color .16s ease,background-color .16s ease,box-shadow .16s ease;
}
.site-nav__list li:last-child a{border-right:1px solid var(--line)}
.site-nav__list a:hover,
.site-nav__list a:focus-visible{
  color:var(--cyan);
  background:var(--cyan-soft);
  box-shadow:inset 0 -2px 0 var(--cyan);
}
.site-nav__list a[aria-current="page"]{
  color:#04231D;
  background:var(--cyan);
  box-shadow:inset 0 -2px 0 var(--orange);
}
.site-header__utility{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.util-link{
  font-size:14px;
  color:var(--muted);
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.util-link:hover,.util-link:focus-visible{color:var(--cyan);border-bottom-color:var(--cyan)}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  background:rgba(18,48,41,.7);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  flex:0 0 auto;
}
.nav-toggle:hover,.nav-toggle:focus-visible{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__box{display:grid;gap:3px;width:16px}
.nav-toggle__box span{display:block;height:2px;background:currentColor;transition:opacity .16s ease,transform .16s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.site-header__hint{
  display:none;
  max-width:1320px;
  margin-inline:auto;
  padding:0 clamp(16px,3vw,36px) 6px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
  text-align:right;
}
@media (min-width:900px) and (max-width:1260px){
  .site-header__hint{display:block}
}
@media (max-width:899px){
  .site-header__inner{flex-wrap:nowrap;justify-content:space-between}
  .nav-toggle{display:inline-flex}
  .site-header__utility{display:none}
  .brand__tagline{font-size:10px;letter-spacing:.08em}
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    flex:none;
    overflow-y:auto;
    max-height:min(70vh,540px);
    background:var(--ink-2);
    border-top:1px solid var(--line);
    border-bottom:2px solid var(--cyan);
    box-shadow:0 26px 44px -30px #000;
  }
  .site-nav[data-open]{display:block}
  .site-nav__list{flex-direction:column}
  .site-nav__list a{
    border-left:0;
    border-bottom:1px solid var(--line);
    padding:14px 18px;
    font-size:16px;
    box-shadow:none;
  }
  .site-nav__list li:last-child a{border-right:0;border-bottom:0}
  .site-nav__list a[aria-current="page"]{box-shadow:inset 4px 0 0 var(--orange)}
}
@media (max-width:599px){
  .brand__mark{font-size:17px}
  .brand-status{display:none}
}

/* ---------- 8. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,9vw,110px);
  color:var(--paper);
  background-color:var(--edge);
  background-image:
    linear-gradient(to right,rgba(27,74,62,.35) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(27,74,62,.35) 1px,transparent 1px);
  background-size:64px 64px;
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:min(320px,45%);
  height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
}
.site-footer__inner{
  max-width:1280px;
  margin-inline:auto;
  padding:clamp(40px,6vw,72px) clamp(16px,3vw,40px) 26px;
}
.site-footer__top{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:clamp(24px,4vw,48px);
}
.site-footer__brand{display:flex;flex-direction:column;gap:12px}
.footer-brand{
  font-family:var(--font-head);
  font-weight:900;
  font-size:clamp(22px,2.6vw,28px);
  letter-spacing:.02em;
  color:var(--paper);
  text-shadow:2px 2px 0 #000;
}
.footer-line{font-size:15px;color:var(--paper)}
.footer-note{
  max-width:var(--measure);
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px}
.footer-col__title{
  font-family:var(--font-mono);
  font-weight:400;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--cyan);
  padding-bottom:10px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.footer-col__list{display:grid;gap:10px}
.footer-col__list a{
  font-size:15px;
  color:var(--paper);
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-col__list a:hover,
.footer-col__list a:focus-visible{color:var(--cyan);border-bottom-color:var(--cyan)}
.site-footer__contact{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px 28px;
  margin-top:clamp(32px,5vw,52px);
  padding-top:22px;
  border-top:1px solid var(--line);
}
.contact-line{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px}
.contact-line__key{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--orange);
}
.contact-line__val{font-size:15px;color:var(--paper);word-break:break-all}
.site-footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:26px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}
.footer-legal{color:var(--muted)}
.footer-meta{color:var(--muted)}
@media (max-width:900px){
  .site-footer__top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-footer__contact{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .site-footer__top{grid-template-columns:1fr}
  .site-footer__contact{grid-template-columns:1fr}
}

/* ---------- 9. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 22px;
  border:1px solid var(--cyan);
  border-radius:var(--radius);
  background:transparent;
  color:var(--cyan);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:700;
  letter-spacing:.02em;
  transition:transform .12s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{background:var(--cyan-soft)}
.btn:active{transform:translateY(2px)}
.btn--primary{
  background:var(--cyan);
  border-color:var(--cyan);
  color:#04231D;
  box-shadow:0 12px 34px -22px var(--cyan);
}
.btn--primary:hover{background:#5BF0DA}
.btn--warm{
  background:var(--orange);
  border-color:var(--orange);
  color:#26120A;
  box-shadow:0 12px 34px -24px var(--orange);
}
.btn--warm:hover{background:#FF9459}
.btn--ghost{border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:transparent}
.btn__meta{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  opacity:.8;
}

/* ---------- 10. 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 10px;
  border:1px solid var(--line);
  border-radius:2px;
  background:rgba(18,48,41,.6);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--muted);
}
.tag--cyan{border-color:var(--cyan);color:var(--cyan)}
.tag--warm{border-color:var(--orange);color:var(--orange)}
.tag--paper{background:var(--paper);border-color:var(--edge);color:#0B1F1A}
.tag--tilt{transform:rotate(-2.6deg)}

/* ---------- 11. 卡片与面板 ---------- */
.card{
  position:relative;
  padding:24px;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.card:hover,.card:focus-within{
  border-color:var(--cyan);
  background:var(--ink-3);
}
.card__meta{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--muted);
}
.card__index{
  position:absolute;
  top:10px;
  right:12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}
.card--paper{
  background:var(--paper);
  border-color:var(--paper-line);
  color:#0B1F1A;
}
.card--paper:hover,.card--paper:focus-within{background:var(--paper-hi);border-color:var(--cyan)}
.card--paper h2,.card--paper h3,.card--paper h4,.card--paper strong{color:#0B1F1A}
.card--paper .card__meta,.card--paper .card__index{color:#5C6B62}
.card--paper .eyebrow{color:var(--cyan-ink)}
.panel{
  padding:clamp(18px,2.6vw,28px);
  background:rgba(18,48,41,.55);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.panel--paper{
  background:var(--paper);
  border-color:var(--paper-line);
  color:#0B1F1A;
}
.panel--paper h2,.panel--paper h3,.panel--paper h4{color:#0B1F1A}
.panel--paper .eyebrow{color:var(--cyan-ink)}

/* ---------- 12. 区块标题与正文 ---------- */
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  padding-bottom:14px;
  margin-bottom:28px;
  border-bottom:1px solid var(--line);
}
.section-head__title{margin-top:6px}
.section-head__meta{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--muted);
}
.prose{max-width:var(--measure);font-size:17px;line-height:1.75;color:var(--paper)}
.prose > * + *{margin-top:1.1em}
.prose h2,.prose h3{margin-top:1.8em}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{display:grid;gap:8px}
.prose li{position:relative;padding-left:1.3em}
.prose li::before{
  content:"";
  position:absolute;
  left:0;
  top:.82em;
  width:6px;
  height:6px;
  background:var(--cyan);
}
.prose--paper{color:#0B1F1A}
.prose--paper a{color:var(--cyan-ink)}

/* ---------- 13. 面包屑 ---------- */
.breadcrumbs{padding:16px 0}
.breadcrumbs__list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--muted);
}
.breadcrumbs__list li{display:flex;align-items:center;gap:10px}
.breadcrumbs__list li + li::before{content:"/";color:var(--line)}
.breadcrumbs a:hover,.breadcrumbs a:focus-visible{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--yellow)}

/* ---------- 14. 图片容器（页面阶段放占位图） ---------- */
.img-frame{
  position:relative;
  aspect-ratio:4 / 3;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--ink-2);
}
.img-frame--wide{aspect-ratio:16 / 9}
.img-frame--tall{aspect-ratio:3 / 4}
.img-frame--tilt{transform:rotate(-2deg)}
.img-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.img-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(180deg,rgba(11,31,26,.18) 0 2px,transparent 2px 4px);
}
.img-frame__cap{
  position:absolute;
  left:0;
  bottom:0;
  z-index:3;
  padding:6px 12px;
  background:rgba(6,15,13,.92);
  border-top:1px solid var(--line);
  border-right:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--cyan);
}

/* ---------- 15. 脚本生成件 ---------- */
.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  z-index:80;
  height:3px;
  width:0;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  transition:width .1s linear;
}
.to-top{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:60;
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(6,15,13,.92);
  color:var(--cyan);
  font-size:18px;
  line-height:1;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease,border-color .16s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--cyan)}

/* ---------- 16. 显现动画 ---------- */
.has-js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s ease,transform .5s ease;
}
.has-js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 17. reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .has-js [data-reveal]{opacity:1;transform:none}
  .scroll-progress{transition:none}
}