/* ==========================================================
   威尼斯人娱乐 · 共享站点样式 /assets/site.css
   1 Reset · 2 Tokens · 3 Base · 4 Layout · 5 Components
   6 Header · 7 Footer · 8 Responsive · 9 Motion
   ========================================================== */

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

/* 2 · Tokens */
:root{
  --wine:#5A0F1E;
  --wine-deep:#3E0A15;
  --wine-darker:#2A070E;
  --red:#7A1B2E;
  --gold:#C9A24B;
  --gold-bright:#E8C77A;
  --gold-deep:#8A5A12;
  --teal:#0F5C5E;
  --lagoon:#DCEDEA;
  --amber:#F2A93B;
  --ink:#141B24;
  --parchment:#F7F1E5;
  --fog:#8B9AA3;
  --verify:#2E7D6B;

  --rail-w:96px;
  --rail-open:288px;
  --bar-h:76px;

  --font-display:"Noto Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Cormorant Garamond",Georgia,"Times New Roman",serif;

  --dur:320ms;
  --ease:cubic-bezier(.22,1,.36,1);
}

/* 3 · Base */
body{
  background:var(--parchment);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:clamp(16.5px,.35vw + 15.4px,18px);
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,.display{font-family:var(--font-display);font-weight:700;line-height:1.14;letter-spacing:.01em}
p{max-width:74ch}
strong{font-weight:700;color:var(--wine)}
::selection{background:var(--gold-bright);color:var(--ink)}

:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px}
.rail :focus-visible,.site-footer :focus-visible,.panel--ink :focus-visible,.panel--teal :focus-visible{outline-color:var(--gold-bright)}

#main-content{scroll-margin-top:calc(var(--bar-h) + 16px)}

/* 4 · Layout */
.container{width:100%;max-width:1280px;margin-inline:auto;padding-inline:clamp(20px,4vw,56px)}
.prose{max-width:720px}
.section{padding-block:clamp(44px,6vw,88px)}
.rule{height:1px;background:rgba(20,27,36,.16);border:0;margin-block:clamp(24px,3vw,40px)}
.grid-split{display:grid;grid-template-columns:1fr;gap:clamp(24px,4vw,52px);align-items:start}

/* 5 · Components */
.display{font-size:clamp(3.2rem,7vw,7.4rem);line-height:.98;letter-spacing:-.012em}
.h1,h1{font-size:clamp(2.4rem,5vw,4.4rem)}
.h2,h2{font-size:clamp(1.9rem,3.2vw,3rem)}
.h3,h3{font-size:clamp(1.25rem,1.6vw,1.7rem);line-height:1.3}
.lede{font-size:clamp(17px,1.4vw,20px);line-height:1.95;color:#3A4450;max-width:46em}

.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--gold-deep);font-weight:600;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;letter-spacing:.14em;color:#5C6771;padding-block:20px}
.breadcrumb li{display:flex;align-items:center;gap:10px}
.breadcrumb li+li::before{content:"/";color:var(--fog)}
.breadcrumb a{color:var(--gold-deep);border-bottom:1px solid transparent;transition:border-color var(--dur) var(--ease)}
.breadcrumb a:hover{border-color:var(--gold-deep)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:1px solid transparent;border-radius:0;
  font-size:13.5px;letter-spacing:.14em;line-height:1.2;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn--gold{background:var(--gold);border-color:var(--gold);color:#2B1503}
.btn--gold:hover{background:var(--gold-bright);border-color:var(--gold-bright)}
.btn--ghost{border-color:rgba(201,162,75,.65);color:var(--gold-deep)}
.btn--ghost:hover{background:rgba(201,162,75,.14)}
.btn--ink{background:var(--ink);border-color:var(--ink);color:var(--parchment)}
.btn--ink:hover{background:var(--wine);border-color:var(--wine)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border:1px solid rgba(201,162,75,.55);
  background:rgba(201,162,75,.08);
  font-size:11px;letter-spacing:.18em;color:var(--gold-deep);
}
.tag--amber{background:var(--amber);border-color:var(--amber);color:#3A2300}
.tag--verify{background:var(--verify);border-color:var(--verify);color:#fff}

.panel{position:relative;background:#FFFDF7;border:1px solid rgba(20,27,36,.14);padding:clamp(22px,3vw,36px);border-radius:0}
.panel--teal{background:var(--teal);border-color:rgba(220,237,234,.28);color:rgba(255,255,255,.88)}
.panel--teal h2,.panel--teal h3,.panel--teal .h2{color:#fff}
.panel--lagoon{background:var(--lagoon);border-color:rgba(15,92,94,.22);color:#0E3E3F}
.panel--ink{background:var(--ink);border-color:rgba(201,162,75,.38);color:rgba(247,241,229,.82)}
.panel--ink h2,.panel--ink h3{color:var(--gold-bright)}

.notice{
  border-left:3px solid var(--amber);
  background:rgba(242,169,59,.13);
  padding:14px 18px;font-size:14.5px;line-height:1.85;color:#3A2A0B;
}

.media{
  position:relative;overflow:hidden;aspect-ratio:4/3;
  background:linear-gradient(140deg,var(--wine) 0%,var(--teal) 100%);
  border:1px solid rgba(201,162,75,.35);border-radius:0;
}
.media img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:3/4}
.media--reflect::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,27,36,0) 52%,rgba(20,27,36,.58) 100%)}
.media-caption{margin-top:10px;font-size:12px;letter-spacing:.14em;color:#5C6771}

.disclosure{border-bottom:1px solid rgba(20,27,36,.14)}
.disclosure-trigger{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;text-align:left;
  font-family:var(--font-display);font-size:clamp(1.02rem,1.4vw,1.25rem);color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.disclosure-trigger::after{content:"+";font-family:var(--font-num);font-size:22px;line-height:1;color:var(--gold-deep);transition:transform var(--dur) var(--ease)}
.disclosure-trigger[aria-expanded="true"]{color:var(--wine)}
.disclosure-trigger[aria-expanded="true"]::after{content:"–";color:var(--wine)}
.disclosure-trigger:hover{color:var(--red)}
.disclosure-panel{padding:0 4px 22px;font-size:15.5px;line-height:1.9;color:#3A4450}

/* 6 · Header */
.skip-link{
  position:fixed;top:0;left:0;z-index:200;
  padding:12px 22px;background:var(--gold);color:#2B1503;
  font-size:13px;letter-spacing:.16em;
  transform:translateY(-130%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.site-header{position:relative;z-index:60}

.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:70;
  display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(180deg,#5A0F1E 0%,#4A0C19 55%,#32080F 100%);
  border-right:1px solid rgba(201,162,75,.45);
  overflow:hidden;
  transition:width var(--dur) var(--ease);
}
.rail::after{
  content:"";position:absolute;top:0;bottom:0;right:4px;width:1px;
  background:linear-gradient(180deg,rgba(201,162,75,0),rgba(201,162,75,.5),rgba(201,162,75,0));
  pointer-events:none;
}

.rail-brand{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px 0 26px;flex:none}
.rail-brand-mark{
  width:42px;height:42px;display:grid;place-items:center;
  border:1px solid rgba(201,162,75,.55);
  font-family:var(--font-num);font-size:24px;line-height:1;color:var(--gold-bright);
}
.rail-brand-word{
  writing-mode:vertical-rl;
  font-family:var(--font-display);font-size:12.5px;letter-spacing:.44em;
  color:rgba(247,241,229,.68);
}

.rail-nav{flex:1 1 auto;display:flex;flex-direction:column;padding:24px 0;overflow-y:auto;overflow-x:hidden;border-top:1px solid rgba(201,162,75,.24)}
.rail-nav-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 22px 16px}
.rail-kicker{font-size:10.5px;letter-spacing:.3em;color:rgba(232,199,122,.8);white-space:nowrap}
.rail-close{
  display:none;align-items:center;
  padding:6px 12px;border:1px solid rgba(201,162,75,.5);
  font-size:11px;letter-spacing:.18em;color:var(--gold-bright);
}
.rail-close:hover{background:rgba(201,162,75,.16)}

.rail-list{display:flex;flex-direction:column;gap:2px}
.rail-item{display:block}
.rail-link{
  position:relative;display:flex;align-items:center;gap:16px;
  padding:13px 0 13px calc((var(--rail-w) - 26px) / 2);
  white-space:nowrap;color:rgba(247,241,229,.78);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.rail-index{
  flex:none;width:26px;text-align:center;
  font-family:var(--font-num);font-size:16px;letter-spacing:.06em;
  color:rgba(201,162,75,.9);
  transition:color var(--dur) var(--ease);
}
.rail-label{
  font-family:var(--font-display);font-size:16px;letter-spacing:.1em;
  opacity:0;transform:translateX(-8px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.rail-link:hover{background:rgba(122,27,46,.72);color:#fff}
.rail-link:hover .rail-index{color:var(--gold-bright)}
.rail-link[aria-current="page"]{background:var(--red);color:var(--gold-bright)}
.rail-link[aria-current="page"]::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;background:var(--gold-bright)}
.rail-link[aria-current="page"] .rail-index{color:var(--gold-bright)}

.rail-cta{display:none}

.rail-foot{flex:none;display:flex;flex-direction:column;align-items:center;gap:18px;padding:22px 0 28px;border-top:1px solid rgba(201,162,75,.24)}
.rail-progress{position:relative;width:2px;height:92px;background:rgba(247,241,229,.16);overflow:hidden}
.rail-progress-bar{position:absolute;top:0;left:0;width:100%;height:0;background:linear-gradient(180deg,var(--gold-bright),var(--gold))}
.rail-foot-note{font-size:10px;line-height:1.9;letter-spacing:.2em;text-align:center;color:rgba(247,241,229,.52)}
.rail-foot-note span{color:rgba(232,199,122,.75)}

@media (hover:hover) and (min-width:1024px){
  .rail:hover,.rail:focus-within{width:var(--rail-open);box-shadow:34px 0 64px -34px rgba(10,6,8,.8)}
  .rail:hover .rail-label,.rail:focus-within .rail-label{opacity:1;transform:none}
  .rail:hover .rail-link,.rail:focus-within .rail-link{padding-left:26px}
}

.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(247,241,229,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(20,27,36,.16);
}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,var(--gold) 0%,rgba(201,162,75,.25) 45%,rgba(201,162,75,0) 100%)}
.topbar-inner{
  display:flex;align-items:center;gap:clamp(10px,2vw,30px);
  min-height:var(--bar-h);
  max-width:1440px;margin-inline:auto;
  padding-inline:clamp(16px,3vw,40px);
}

.lockup{display:flex;align-items:baseline;gap:12px;padding-block:8px;flex:none}
.lockup-title{font-family:var(--font-display);font-size:20px;font-weight:700;letter-spacing:.06em;color:var(--wine)}
.lockup-tag{
  font-size:10px;letter-spacing:.3em;color:var(--gold-deep);
  padding-left:12px;border-left:1px solid rgba(20,27,36,.2);
}

.topbar-tools{margin-left:auto;display:flex;align-items:center}
.tool-link{
  padding:6px 15px;font-size:13px;letter-spacing:.12em;
  color:var(--ink);opacity:.78;
  border-right:1px solid rgba(20,27,36,.14);
  transition:opacity var(--dur) var(--ease),color var(--dur) var(--ease);
}
.tool-link:hover{opacity:1;color:var(--wine)}
.tool-link--last{border-right:0}

.topbar-cta{flex:none}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 12px;border:1px solid rgba(20,27,36,.28);border-radius:0;
  color:var(--wine);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-toggle:hover{background:rgba(90,15,30,.07);border-color:var(--wine)}
.nav-toggle-box{display:flex;flex-direction:column;justify-content:center;gap:4px;width:18px;height:14px}
.nav-toggle-box span{display:block;height:1.5px;background:currentColor}
.nav-toggle-text{font-size:11px;letter-spacing:.2em}

.nav-scrim{position:fixed;inset:0;z-index:80;background:rgba(12,8,10,.58);border:0}
.nav-scrim[hidden]{display:none}

/* 7 · Footer */
.site-footer{
  position:relative;
  background:linear-gradient(165deg,#4A0C19 0%,#3A0A13 58%,#26060C 100%);
  color:rgba(247,241,229,.78);
  border-top:1px solid rgba(201,162,75,.55);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(201,162,75,0),var(--gold-bright),rgba(201,162,75,0));
}
.footer-inner{max-width:1280px;margin-inline:auto;padding:clamp(44px,6vw,84px) clamp(20px,4vw,56px) 0}

.footer-top{
  display:grid;grid-template-columns:1fr;
  gap:clamp(28px,4vw,52px);
  padding-bottom:clamp(36px,5vw,60px);
  border-bottom:1px solid rgba(201,162,75,.22);
}
.footer-mark{font-family:var(--font-display);font-size:clamp(24px,3vw,30px);line-height:1.2;color:var(--parchment);letter-spacing:.06em}
.footer-tag{margin-top:10px;font-size:11px;letter-spacing:.3em;color:var(--gold)}
.footer-line{margin-top:18px;max-width:28em;font-size:14px;line-height:1.95;color:rgba(247,241,229,.62)}

.footer-col-title{
  margin-bottom:16px;padding-bottom:10px;
  font-size:11px;letter-spacing:.26em;color:var(--gold-bright);
  border-bottom:1px solid rgba(201,162,75,.28);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  position:relative;display:inline-block;padding-left:15px;
  font-size:14px;color:rgba(247,241,229,.75);
  transition:color var(--dur) var(--ease);
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:.78em;width:6px;height:1px;
  background:var(--gold);opacity:.7;
  transition:width var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.footer-col a:hover{color:var(--gold-bright)}
.footer-col a:hover::before{width:11px;opacity:1}

.footer-contact-row{display:flex;gap:12px;font-size:13.5px;line-height:1.9;color:rgba(247,241,229,.8)}
.footer-contact-label{flex:none;min-width:34px;padding-top:2px;font-size:11px;letter-spacing:.18em;color:rgba(201,162,75,.92)}
.footer-email{font-family:var(--font-num),"Noto Sans SC",sans-serif;word-break:break-all;letter-spacing:.02em}
.copy-btn{
  margin-top:12px;padding:7px 14px;
  border:1px solid rgba(201,162,75,.5);
  font-size:11px;letter-spacing:.18em;color:var(--gold-bright);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.copy-btn:hover{background:rgba(201,162,75,.16);border-color:var(--gold-bright)}
.copy-status{display:inline-block;margin-left:10px;font-size:11px;letter-spacing:.14em;color:var(--amber)}
.footer-hours{margin-top:14px;font-size:12px;letter-spacing:.16em;color:rgba(232,199,122,.85)}
.footer-note{
  margin-top:14px;padding-left:12px;
  border-left:1px solid rgba(201,162,75,.42);
  font-size:12px;line-height:1.9;color:rgba(247,241,229,.5);
}

.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 30px;
  padding:22px 0 36px;
  font-size:12px;letter-spacing:.1em;color:rgba(247,241,229,.55);
}
.footer-copy,.footer-icp{max-width:none}
.footer-legal-links{margin-left:auto;display:flex;flex-wrap:wrap;gap:22px}
.footer-legal-links a{color:rgba(247,241,229,.62);transition:color var(--dur) var(--ease)}
.footer-legal-links a:hover{color:var(--gold-bright)}

/* 8 · Responsive */
@media (min-width:768px){
  .footer-top{grid-template-columns:1.35fr .85fr .85fr;grid-template-areas:"brand navA navB" "brand contact contact"}
  .footer-brand{grid-area:brand}
  .footer-col:nth-of-type(1){grid-area:navA}
  .footer-col:nth-of-type(2){grid-area:navB}
  .footer-contact{grid-area:contact}
}
@media (min-width:1024px){
  :root{--bar-h:80px}
  body{padding-left:var(--rail-w)}
  .grid-split{grid-template-columns:1.12fr .88fr}
  .footer-top{grid-template-columns:1.5fr .8fr .8fr 1.25fr;grid-template-areas:"brand navA navB contact"}
}
@media (max-width:1023.98px){
  :root{--bar-h:64px}
  .rail{position:static;width:auto;display:block;background:none;border:0;overflow:visible;transition:none}
  .rail::after{display:none}
  .rail-brand,.rail-foot{display:none}
  .rail-nav{
    position:fixed;top:0;left:0;bottom:0;z-index:90;
    width:min(86vw,344px);
    padding:22px 0 32px;
    background:linear-gradient(180deg,#5A0F1E 0%,#3A0A13 100%);
    border-right:1px solid rgba(201,162,75,.45);
    border-top:0;
    overflow-y:auto;
    transform:translateX(-104%);
    visibility:hidden;
    transition:transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
  }
  .rail-nav[data-open]{transform:translateX(0);visibility:visible}
  .rail-nav-head{padding:4px 22px 18px}
  .rail-link{padding:14px 22px;gap:14px}
  .rail-label{opacity:1;transform:none;font-size:16.5px}
  .rail-index{color:var(--gold-bright)}
  .rail-close{display:inline-flex}
  .rail-cta{
    display:flex;align-items:center;justify-content:center;
    margin:22px 22px 0;padding:13px 18px;
    background:var(--gold);color:#2B1503;
    font-size:13px;letter-spacing:.16em;
  }
  .nav-toggle{display:inline-flex}
  .topbar-cta{display:none}
  body.is-nav-open{overflow:hidden}
}
@media (max-width:767.98px){
  .lockup-tag{display:none}
  .lockup-title{font-size:18px}
  .topbar-tools .tool-link{padding:6px 11px;font-size:12px;letter-spacing:.1em}
  .topbar-tools .tool-link:nth-child(n+2){display:none}
  .nav-toggle-text{display:none}
  .footer-legal-links{margin-left:0}
}

/* 9 · Motion */
html.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity 460ms var(--ease),transform 460ms var(--ease)}
html.js [data-reveal].is-revealed{opacity:1;transform:none}

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