/* ==========================================================================
   168真人游 · 共享样式表 /assets/site.css
   语汇：极简文字建筑 · 夜色导航仪 · 切角面板 · 水平光轨
   ========================================================================== */

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

/* 1 tokens --------------------------------------------------------------- */
:root{
  --ink:#0A1826;
  --ink-deep:#050F1A;
  --panel:#12283C;
  --panel-hi:#16304A;
  --cyan:#3FE0CE;
  --amber:#E9A13B;
  --amber-soft:#F6CE8A;
  --mist:#E6EDF3;
  --steel:#9FB2C2;
  --green:#5FD08A;
  --coral:#D9705F;
  --line:rgba(159,178,194,.20);
  --line-strong:rgba(159,178,194,.42);
  --wash-cyan:rgba(63,224,206,.07);
  --wash-amber:rgba(233,161,59,.10);
  --rail:112px;
  --edge:48px;
  --wrap:1220px;
  --gut:clamp(16px,4vw,40px);
  --dur:180ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --cut:14px;
  --cut-sm:9px;
  --clip-cut:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
  --clip-sm:polygon(0 0,calc(100% - var(--cut-sm)) 0,100% var(--cut-sm),100% 100%,0 100%);
}

/* 2 base type ------------------------------------------------------------ */
body{
  background:var(--ink);
  color:var(--mist);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.55;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.02em;line-height:1.15;color:var(--mist)}
h1{font-size:clamp(34px,6.4vw,64px)}
h2{font-size:clamp(24px,3.6vw,36px)}
h3{font-size:20px;line-height:1.3}
p{max-width:62ch}
a{color:var(--cyan);text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
a:hover{color:var(--amber-soft)}
strong{font-weight:600}
small{font-size:13px;color:var(--steel)}
address{font-style:normal}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

.display{font-size:clamp(40px,9vw,64px);font-weight:600;letter-spacing:-.02em;line-height:1.02;max-width:none}
.h-sec{font-size:clamp(24px,3.6vw,36px);font-weight:600;letter-spacing:-.02em;line-height:1.14;max-width:none}
.h-sub{font-size:20px;font-weight:600;line-height:1.3;max-width:none}
.lead{font-size:clamp(15.5px,1.6vw,17px);line-height:1.6;color:var(--steel);max-width:56ch}
.kicker{font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.14em;color:var(--steel);text-transform:uppercase}
.mono{font-family:var(--mono);font-weight:500;letter-spacing:.02em}

/* 3 layout --------------------------------------------------------------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.canvas{
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr) var(--edge);
  gap:clamp(16px,2.6vw,40px);
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 var(--gut);
}
.rail{display:grid;align-content:start;gap:8px;font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--steel)}
.rail-item{display:block;color:var(--steel)}
.col-main{min-width:0}
.section{padding:clamp(40px,6vw,84px) 0}
.section--tight{padding:clamp(26px,4vw,48px) 0}
.section--deep{background:var(--ink-deep)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:12px;border-bottom:1px solid var(--line);padding-bottom:14px;
  margin-bottom:clamp(18px,3vw,32px);
}
.rule{height:1px;background:var(--line);border:0}
.grid12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,2vw,24px)}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-8{grid-column:span 8}
.col-12{grid-column:1/-1}
.stream{display:grid;grid-template-columns:repeat(auto-fill,minmax(238px,1fr));gap:clamp(12px,1.8vw,20px)}

/* 4 header --------------------------------------------------------------- */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--amber);color:var(--ink-deep);
  font-family:var(--mono);font-size:13px;letter-spacing:.04em;
  padding:10px 16px;text-decoration:none;
}
.skip-link:focus{left:12px;top:12px;color:var(--ink-deep)}

.site-head{position:sticky;top:0;z-index:60;background:var(--ink);border-bottom:1px solid var(--line)}
.head-inner{
  display:flex;align-items:center;gap:clamp(10px,2vw,26px);
  width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);
}
.head-strip{background:var(--ink-deep);border-bottom:1px solid var(--line)}
.head-strip .head-inner{min-height:56px;justify-content:space-between}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--mist);padding:8px 0}
.brand:hover{color:var(--mist)}
.brand-mark{
  display:inline-block;
  font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.04em;
  color:var(--ink-deep);background:var(--amber);
  padding:4px 9px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:600;letter-spacing:-.01em;line-height:1.2;max-width:none}
.brand-sub{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--steel);margin-top:3px}

.head-status{display:flex;align-items:center;gap:10px;margin:0;max-width:none;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--steel)}
.status-lamp{
  width:8px;height:8px;border-radius:50%;flex:none;
  background:var(--green);box-shadow:0 0 0 3px rgba(95,208,138,.14);
  animation:lampPulse 2.4s ease-in-out infinite;
}
.status-lamp[data-state="live"]{background:var(--green);box-shadow:0 0 0 3px rgba(95,208,138,.14)}
.status-lamp[data-state="sync"]{background:var(--cyan);box-shadow:0 0 0 3px rgba(63,224,206,.14)}
.status-lamp[data-state="calibrate"]{background:var(--coral);box-shadow:0 0 0 3px rgba(217,112,95,.16)}
.status-lamp[data-state="idle"]{background:var(--steel);box-shadow:none;animation:none}
@keyframes lampPulse{0%,100%{opacity:1}50%{opacity:.42}}
.status-text{white-space:nowrap}
.ver-tag{
  font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.03em;
  color:var(--amber-soft);border:1px solid rgba(233,161,59,.45);
  padding:2px 8px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%);
}

.head-nav{position:relative;background:var(--ink)}
.head-inner--nav{min-height:54px;flex-wrap:nowrap}
.nav-toggle{
  display:none;align-items:center;gap:10px;
  border:1px solid var(--line-strong);color:var(--mist);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;
  padding:8px 12px;cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"]{border-color:var(--amber);color:var(--amber-soft)}
.nav-toggle-bar{position:relative;display:inline-block;width:16px;height:1.5px;background:currentColor}
.nav-toggle-bar::before,.nav-toggle-bar::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor}
.nav-toggle-bar::before{top:-5px}
.nav-toggle-bar::after{top:5px}
.nav-toggle-label{white-space:nowrap}

.site-nav{flex:1 1 auto;min-width:0}
.nav-list{display:flex;flex-wrap:wrap;gap:clamp(6px,2.2vw,28px)}
.nav-list a{
  position:relative;display:block;
  padding:16px 0;font-size:14.5px;letter-spacing:.02em;
  color:var(--mist);text-decoration:none;white-space:nowrap;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:10px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-list a:hover{color:var(--mist)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a[aria-current="page"]{color:var(--amber-soft)}
.nav-list a[aria-current="page"]::after{transform:scaleX(1);background:var(--amber)}

.head-meta{
  margin:0 0 0 auto;max-width:none;
  font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:var(--steel);white-space:nowrap;
}
.head-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(159,178,194,.14)}
.head-progress-bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--amber));transition:width 140ms linear}

/* 5 footer --------------------------------------------------------------- */
.site-foot{background:var(--ink-deep);border-top:1px solid var(--line);margin-top:clamp(48px,7vw,96px)}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1.05fr 1.35fr;
  gap:clamp(20px,3vw,44px);
  padding:clamp(36px,6vw,64px) 0 clamp(26px,4vw,42px);
}
.foot-col{min-width:0}
.foot-title{
  font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.14em;
  color:var(--steel);margin-bottom:14px;
}
.foot-title--gap{margin-top:26px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:600;letter-spacing:-.01em;margin-bottom:14px}
.foot-note{font-size:13.5px;line-height:1.65;color:var(--steel);max-width:33ch}
.foot-note--mono{font-family:var(--mono);font-size:12px;letter-spacing:.03em;margin-top:12px;color:rgba(159,178,194,.85);max-width:38ch}
.foot-list{display:grid;gap:9px}
.foot-list a{
  display:inline-block;font-size:14px;color:var(--mist);
  border-bottom:1px solid transparent;padding-bottom:1px;
}
.foot-list a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.foot-address{font-size:13.5px;line-height:1.7;color:var(--steel);max-width:36ch}
.foot-address .mono{color:var(--mist)}
.foot-base{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line);padding:16px 0 22px;
  font-family:var(--mono);font-size:12px;letter-spacing:.03em;color:var(--steel);
}
.foot-legal,.foot-stamp{margin:0;max-width:none}

/* 6 buttons & crumb ------------------------------------------------------ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;
  font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.04em;
  background:var(--amber);color:var(--ink-deep);border:1px solid var(--amber);
  clip-path:var(--clip-sm);text-decoration:none;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:hover{background:var(--amber-soft);border-color:var(--amber-soft);color:var(--ink-deep);transform:translateY(-2px)}
.btn--line{background:transparent;color:var(--mist);border-color:var(--line-strong)}
.btn--line:hover{background:var(--wash-cyan);border-color:var(--cyan);color:var(--cyan)}
.btn:focus-visible,.card:focus-visible,.panel:focus-visible,.to-top:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--cyan)}

.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:var(--steel);
  margin-bottom:18px;max-width:none;
}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:rgba(159,178,194,.45)}
.crumb a{color:var(--steel)}
.crumb a:hover{color:var(--cyan)}
.crumb [aria-current="page"]{color:var(--mist)}

/* 7 components ----------------------------------------------------------- */
.panel{
  background:var(--panel);border:1px solid var(--line);
  clip-path:var(--clip-cut);padding:clamp(18px,2.4vw,26px);
}
.panel--cut{border-left:2px solid var(--amber)}

.card{
  position:relative;display:block;text-decoration:none;color:var(--mist);
  background:var(--panel);border:1px solid var(--line);
  clip-path:var(--clip-sm);padding:16px 18px 18px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.card:hover,.card:focus-visible{transform:translateY(-2px);border-color:rgba(63,224,206,.48);background-color:var(--panel-hi);color:var(--mist)}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-title{display:block;font-size:17px;font-weight:600;letter-spacing:-.01em;margin:12px 0 8px;color:var(--mist)}
.card-go{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--cyan)}
.card:hover .card-go{color:var(--amber)}

.tag{
  display:inline-flex;align-items:center;
  font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.06em;
  padding:3px 8px;border:1px solid var(--line-strong);color:var(--steel);
}
.tag--ver{color:var(--amber-soft);border-color:rgba(233,161,59,.45)}
.tag--live{color:var(--green);border-color:rgba(95,208,138,.40)}
.tag--warn{color:var(--coral);border-color:rgba(217,112,95,.45)}
.tag--cyan{color:var(--cyan);border-color:rgba(63,224,206,.45)}

.ledger{font-size:14px}
.ledger caption{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--steel);
  text-align:left;padding:0 0 10px;
}
.ledger th{
  font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.05em;
  color:var(--steel);text-align:left;padding:9px 12px;
  border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
.ledger td{padding:12px;border-bottom:1px solid var(--line);color:var(--mist);vertical-align:top}
.ledger tbody tr{transition:background-color var(--dur) var(--ease)}
.ledger tbody tr:hover{background-color:var(--wash-cyan)}

.accordion{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-btn{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;width:100%;
  padding:16px 2px;text-align:left;font-size:15px;color:var(--mist);cursor:pointer;
  transition:color var(--dur) var(--ease);
}
.acc-btn:hover{color:var(--cyan)}
.acc-sign{font-family:var(--mono);color:var(--cyan);flex:none}
.acc-panel{display:none;padding:0 2px 18px;max-width:62ch;font-size:14px;line-height:1.65;color:var(--steel)}
.acc-item[data-open] .acc-panel{display:block}
.acc-item[data-open] .acc-btn{color:var(--amber-soft)}

.track{
  position:relative;height:1px;overflow:hidden;
  background:linear-gradient(90deg,transparent,rgba(63,224,206,.42),transparent);
  margin:clamp(24px,4vw,44px) 0;
}
.track::after{
  content:"";position:absolute;top:0;bottom:0;left:-25%;width:25%;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  animation:trackRun 6s linear infinite;
}
@keyframes trackRun{from{left:-25%}to{left:100%}}

.slash{
  display:block;width:52px;height:12px;margin-bottom:14px;
  background:repeating-linear-gradient(115deg,var(--amber) 0 2px,transparent 2px 9px);
}

.media-frame{
  position:relative;background:var(--panel);border:1px solid var(--line);
  overflow:hidden;clip-path:var(--clip-sm);
}
.media-frame img,.media-frame svg{width:100%;height:100%;object-fit:cover}
.media-frame--shot{aspect-ratio:16/10}
.media-frame--macro{aspect-ratio:1/1}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--rail{aspect-ratio:3/4}
.media-cap{
  position:absolute;left:12px;bottom:10px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--steel);
  background:rgba(5,15,26,.74);padding:3px 7px;
}

.to-top{
  position:fixed;right:clamp(14px,3vw,28px);bottom:clamp(14px,3vw,28px);z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;background:rgba(5,15,26,.9);
  border:1px solid var(--line-strong);color:var(--mist);
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  clip-path:var(--clip-sm);cursor:pointer;
  opacity:0;visibility:hidden;
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.to-top[data-show]{opacity:1;visibility:visible}
.to-top:hover{border-color:var(--cyan);color:var(--cyan)}

html[data-js="1"] [data-reveal]{opacity:0;transform:translateY(10px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}
html[data-js="1"] [data-reveal][data-visible]{opacity:1;transform:none}

/* 8 responsive ----------------------------------------------------------- */
@media (max-width:1100px){
  :root{--rail:96px;--edge:0px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  :root{--rail:0px}
  .canvas{grid-template-columns:minmax(0,1fr);gap:26px}
  .rail{display:flex;flex-wrap:wrap;gap:16px}
  .grid12 .col-3,.grid12 .col-4,.grid12 .col-6,.grid12 .col-8{grid-column:1/-1}
}
@media (max-width:880px){
  .head-inner--nav{flex-wrap:wrap;padding-bottom:0}
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;flex-basis:100%;order:3}
  .site-nav[data-open]{display:block}
  .nav-list{flex-direction:column;gap:0;padding:4px 0 8px;border-top:1px solid var(--line)}
  .nav-list li{border-bottom:1px solid var(--line)}
  .nav-list a{padding:13px 2px;font-size:15px}
  .nav-list a::after{bottom:7px}
  .head-meta{display:none}
}
@media (max-width:620px){
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-base{flex-direction:column;gap:6px}
  .stream{grid-template-columns:1fr}
}
@media (max-width:520px){
  .head-strip .head-inner{min-height:50px;gap:10px}
  .brand-sub{display:none}
  .status-text{display:none}
  .head-status{gap:8px}
}

/* 9 reduced motion ------------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html[data-js="1"] [data-reveal]{opacity:1;transform:none;transition:none}
  .status-lamp{animation:none}
  .track::after{animation:none;left:0;width:100%;opacity:.35}
}