/* =========================================================
   365电玩城 · 共享样式表 /assets/site.css
   午夜黑底 + 深靛蓝机台面板 + 电光青/霓虹品红/荧光黄信号
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,picture,svg,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

/* ---------- 2. 设计令牌 ---------- */
:root{
  --midnight:#0A0A12;
  --indigo:#141A3A;
  --charcoal:#1C1F2E;
  --violet:#2A1B4A;
  --mist:#F2F4FF;
  --violet-gray:#6E6B8A;
  --cyan:#22E0FF;
  --magenta:#FF2E88;
  --yellow:#FFE83A;
  --green:#4BFFB0;

  --line:rgba(34,224,255,.24);
  --line-soft:rgba(110,107,138,.30);
  --line-magenta:rgba(255,46,136,.50);

  --font-display:"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --shadow-hard:6px 6px 0 0 rgba(6,6,14,.85);
  --ease-hard:cubic-bezier(.2,.7,.3,1);

  --shell:min(100% - 32px,1440px);
  --header-h:68px;
}

/* ---------- 3. 基础排版 ---------- */
body{
  background:var(--midnight);
  color:var(--mist);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:200;
  pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(242,244,255,.038) 0 1px,rgba(242,244,255,0) 1px 4px);
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.04;letter-spacing:-.01em}
h1{font-size:clamp(44px,8.5vw,132px)}
h2{font-size:clamp(28px,4.6vw,72px)}
h3{font-size:clamp(22px,2.6vw,34px);line-height:1.2}
p{max-width:38em}
strong{color:var(--yellow);font-weight:700}
em{font-style:normal;color:var(--cyan)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

.skip-link{
  position:fixed;
  top:8px;
  left:8px;
  z-index:400;
  padding:11px 18px;
  background:var(--cyan);
  color:var(--midnight);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  transform:translateY(-180%);
  transition:transform .2s var(--ease-hard);
}
.skip-link:focus{transform:translateY(0)}

#main-content{padding-top:var(--header-h)}

/* ---------- 4. 布局骨架 ---------- */
.shell{width:var(--shell);margin-inline:auto}
.section{position:relative;padding-block:clamp(48px,8vw,110px)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.stack > * + *{margin-top:16px}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:12px}

/* ---------- 5. 提示与索引 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--magenta)}
.index-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--violet-gray);
}
.index-tag::before{
  content:"";
  width:8px;
  height:8px;
  background:var(--magenta);
  box-shadow:0 0 10px var(--magenta);
}
.mono{font-family:var(--font-mono);font-weight:500;letter-spacing:.02em}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 18px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1.2;
  white-space:nowrap;
  border:2px solid transparent;
  transition:box-shadow .2s var(--ease-hard),background-color .2s var(--ease-hard),
             border-color .2s var(--ease-hard),color .2s var(--ease-hard),transform .2s var(--ease-hard);
}
.btn-primary{
  background:var(--cyan);
  color:var(--midnight);
  border-color:var(--cyan);
  box-shadow:4px 4px 0 0 var(--magenta);
}
.btn-primary:hover{
  background:var(--mist);
  border-color:var(--mist);
  box-shadow:4px 4px 0 0 var(--magenta),0 0 26px -4px var(--cyan);
  transform:translate(-1px,-1px);
}
.btn-ghost{
  background:rgba(20,26,58,.62);
  color:var(--mist);
  border-color:rgba(34,224,255,.45);
}
.btn-ghost:hover{
  border-color:var(--cyan);
  color:var(--cyan);
  box-shadow:0 0 22px -6px var(--cyan);
}

/* ---------- 7. 头部 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:120;
  color:var(--mist);
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .22s var(--ease-hard),border-color .22s var(--ease-hard),backdrop-filter .22s var(--ease-hard);
}
.site-header[data-stuck="true"]{
  background:rgba(10,10,18,.94);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  backdrop-filter:blur(12px) saturate(140%);
  border-bottom-color:var(--line);
}
.header-shell{
  position:relative;
  width:var(--shell);
  margin-inline:auto;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(14px,2vw,32px);
  min-height:var(--header-h);
  padding-block:9px;
}

.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:5px 9px;
  background:var(--cyan);
  color:var(--midnight);
  font-family:var(--font-mono);
  font-size:19px;
  font-weight:700;
  letter-spacing:.04em;
  box-shadow:3px 3px 0 0 var(--magenta);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--font-display);font-weight:900;font-size:17px;letter-spacing:.02em}
.brand-tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;color:var(--violet-gray)}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 13px;
  border:2px solid rgba(34,224,255,.42);
  background:rgba(20,26,58,.75);
  color:var(--mist);
}
.nav-toggle-bars{display:flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle-bar{display:block;height:2px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.nav-toggle-label{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em}
.nav-toggle[aria-expanded="true"]{border-color:var(--line-magenta)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:var(--magenta);box-shadow:0 0 8px var(--magenta)}

.primary-nav{
  min-width:0;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.primary-nav::-webkit-scrollbar{display:none}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
  min-width:max-content;
  margin-inline:auto;
}
.nav-item{flex:none}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  font-size:14px;
  letter-spacing:.02em;
  white-space:nowrap;
  color:rgba(242,244,255,.72);
  border:1px solid transparent;
  scroll-snap-align:center;
  transition:color .18s var(--ease-hard),border-color .18s var(--ease-hard),background-color .18s var(--ease-hard);
}
.nav-link::before{
  content:"";
  width:6px;
  height:6px;
  flex:none;
  background:var(--violet-gray);
  transition:background-color .18s var(--ease-hard),box-shadow .18s var(--ease-hard);
}
.nav-link:hover{
  color:var(--mist);
  border-color:var(--line);
  background:rgba(34,224,255,.08);
}
.nav-link:hover::before{background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.nav-link[aria-current="page"]{
  color:var(--mist);
  background:rgba(255,46,136,.13);
  border-color:var(--line-magenta);
}
.nav-link[aria-current="page"]::before{background:var(--magenta);box-shadow:0 0 10px var(--magenta)}

.header-actions{display:flex;align-items:center;gap:10px;flex:none}

.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:3px;
  background:rgba(110,107,138,.22);
  overflow:hidden;
}
.scroll-progress-bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--cyan),var(--magenta));
  box-shadow:0 0 12px rgba(34,224,255,.7);
}

/* ---------- 8. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,10vw,140px);
  background:linear-gradient(180deg,var(--midnight) 0%,var(--indigo) 48%,var(--midnight) 100%);
  border-top:1px solid var(--line);
  color:var(--mist);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--magenta),var(--yellow),var(--cyan));
}
.footer-shell{
  width:var(--shell);
  margin-inline:auto;
  padding-block:clamp(40px,6vw,80px) clamp(28px,4vw,52px);
  display:grid;
  grid-template-columns:minmax(240px,1.05fr) minmax(0,1.6fr);
  gap:clamp(28px,5vw,72px);
  align-items:start;
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start}
.footer-brand-mark{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(56px,9vw,104px);
  line-height:.9;
  letter-spacing:-.02em;
  color:var(--cyan);
  text-shadow:4px 4px 0 rgba(255,46,136,.55);
}
.footer-brand-line{
  margin-top:16px;
  max-width:30ch;
  font-size:15px;
  color:rgba(242,244,255,.78);
}
.footer-quick{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:22px;
  padding:10px 16px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--yellow);
  border:2px solid rgba(255,232,58,.45);
  background:rgba(255,232,58,.06);
  transition:border-color .2s var(--ease-hard),box-shadow .2s var(--ease-hard),color .2s var(--ease-hard);
}
.footer-quick:hover{border-color:var(--yellow);box-shadow:0 0 22px -6px var(--yellow);color:var(--mist)}
.footer-quick-dot{
  width:8px;
  height:8px;
  background:var(--yellow);
  box-shadow:0 0 10px var(--yellow);
}
.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}
.footer-col-title{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--violet-gray);
}
.footer-col-title::before{
  content:"";
  width:8px;
  height:8px;
  background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
}
.footer-list{display:block}
.footer-link{
  display:block;
  padding:8px 0;
  font-size:14.5px;
  color:rgba(242,244,255,.72);
  border-bottom:1px dashed rgba(110,107,138,.24);
  transition:color .18s var(--ease-hard),padding-left .18s var(--ease-hard),border-color .18s var(--ease-hard);
}
.footer-link:hover{color:var(--cyan);padding-left:8px;border-color:var(--cyan)}
.footer-base{
  width:var(--shell);
  margin-inline:auto;
  border-top:1px solid var(--line-soft);
  padding-block:20px 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px 28px;
}
.footer-contact{max-width:62ch;font-size:13px;color:var(--violet-gray)}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--violet-gray);
  max-width:none;
}

/* ---------- 9. 通用内容组件 ---------- */
.panel{
  position:relative;
  background:var(--indigo);
  border:2px solid var(--line);
  padding:clamp(20px,3vw,32px);
  box-shadow:var(--shadow-hard);
}
.panel--accent{border-left:6px solid var(--cyan)}
.cut-corner{clip-path:polygon(0 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%)}

.prose{max-width:38em;font-size:16.5px;line-height:1.8;color:rgba(242,244,255,.86)}
.prose > * + *{margin-top:1.15em}
.prose h2{font-size:clamp(24px,3vw,34px);line-height:1.2;color:var(--mist)}
.prose h3{font-size:18px;line-height:1.35;color:var(--cyan)}
.prose ul,.prose ol{padding-left:1.2em;list-style:disc}
.prose li + li{margin-top:.4em}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--violet-gray);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:var(--violet-gray)}
.breadcrumb a{color:rgba(242,244,255,.72)}
.breadcrumb a:hover{color:var(--cyan)}

.status-ok{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--green);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
}
.status-ok::before{
  content:"";
  width:8px;
  height:8px;
  background:var(--green);
  box-shadow:0 0 10px var(--green);
}
.status-ok[data-flash="true"]{animation:okFlash .6s var(--ease-hard) 1}
@keyframes okFlash{
  0%{text-shadow:0 0 0 rgba(75,255,176,.9)}
  45%{text-shadow:0 0 16px rgba(75,255,176,.95)}
  100%{text-shadow:0 0 0 rgba(75,255,176,0)}
}

/* ---------- 10. 图片容器 ---------- */
.figure-frame{
  position:relative;
  display:block;
  overflow:hidden;
  width:100%;
  background:var(--charcoal);
  border:2px solid var(--line);
  box-shadow:var(--shadow-hard);
}
.figure-frame img,
.figure-frame .figure-frame__media{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.figure-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(10,10,18,.28) 0 1px,rgba(10,10,18,0) 1px 4px);
}
.figure-frame[data-ratio="21:9"]{aspect-ratio:21/9}
.figure-frame[data-ratio="16:9"]{aspect-ratio:16/9}
.figure-frame[data-ratio="4:3"]{aspect-ratio:4/3}
.figure-frame[data-ratio="1:1"]{aspect-ratio:1/1}
.figure-frame[data-ratio="3:4"]{aspect-ratio:3/4}
.figure-frame__caption{
  position:absolute;
  left:0;
  bottom:0;
  z-index:2;
  max-width:none;
  padding:8px 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--cyan);
  background:rgba(10,10,18,.84);
  border-top:2px solid var(--magenta);
}

/* ---------- 11. 滚动显现协议 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s var(--ease-hard),transform .55s var(--ease-hard);
}
[data-reveal][data-reveal-state="in"]{opacity:1;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1180px){
  .header-actions .btn-ghost{display:none}
}
@media (max-width:960px){
  :root{--header-h:60px}
  .header-shell{
    grid-template-columns:minmax(0,1fr) auto;
    gap:12px;
    padding-block:8px;
  }
  .brand-tag{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{display:none}
  .primary-nav{
    position:absolute;
    top:100%;
    left:calc(-1 * (var(--shell) - 100%) / 2);
    right:auto;
    width:100vw;
    background:rgba(10,10,18,.98);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    max-height:0;
    overflow:hidden;
    transition:max-height .26s var(--ease-hard);
  }
  .primary-nav[data-open="true"]{
    max-height:min(72vh,540px);
    overflow-y:auto;
    scroll-snap-type:none;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    min-width:0;
    margin-inline:0;
    gap:2px;
    padding:12px 16px 20px;
  }
  .nav-link{width:100%;padding:13px 12px;font-size:16px}
  .nav-link::before{width:8px;height:8px}
  .footer-shell{grid-template-columns:1fr}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  body{font-size:16px}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .footer-nav{grid-template-columns:1fr;gap:26px}
  .footer-base{flex-direction:column;align-items:flex-start}
  .footer-legal{flex-direction:column;gap:6px}
}

/* ---------- 13. 减少动态效果 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
}