/* ===== V8 国际娱乐 · Site Kit ===== */
:root{
  --navy:#0B1E33;
  --navy-2:#14304D;
  --navy-3:#102A45;
  --gold:#D8A542;
  --gold-soft:#F0C97A;
  --lake:#2FA8C8;
  --barley:#8FBF6A;
  --indigo:#3B2E63;
  --sand:#F4EFE6;
  --ink:#101A24;
  --mist:#6C8399;
  --mist-soft:#A9BED1;
  --text:#E8EEF4;
  --line:rgba(216,165,66,.32);
  --line-soft:rgba(232,238,244,.10);
  --shadow-hard:6px 6px 0 rgba(11,30,51,.55);
  --shadow-lift:9px 9px 0 rgba(11,30,51,.55);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gutter:64px;
  --max:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
[hidden]{display:none !important}
body{
  background:var(--navy);
  color:var(--text);
  font-family:var(--font-display);
  font-size:16px;
  line-height:1.75;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--gold);color:var(--ink)}
:focus-visible{outline:2px solid var(--gold-soft);outline-offset:3px}
h1,h2,h3,h4{line-height:1.2}
.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}
.copy-status{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);color:var(--barley)}
.skip-link{
  position:absolute;left:12px;top:-72px;z-index:200;
  background:var(--gold);color:var(--ink);
  padding:10px 18px;font-weight:700;font-size:14px;
  border:2px solid var(--gold-soft);
  transition:top 160ms ease-out;
}
.skip-link:focus{top:8px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--navy)}
.header-strip{background:var(--navy-3);border-bottom:1px solid var(--line-soft);color:var(--mist-soft)}
.strip-inner{
  max-width:1440px;margin:0 auto;padding:0 24px;
  height:32px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.strip-note{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--mist-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.strip-dot{width:6px;height:6px;background:var(--barley);box-shadow:0 0 0 2px rgba(143,191,106,.18);flex:none}
.strip-link{
  display:inline-flex;align-items:center;gap:6px;flex:none;
  font-size:12px;letter-spacing:.04em;color:var(--gold-soft);
  border-bottom:1px solid transparent;transition:border-color 160ms ease-out,color 160ms ease-out;
}
.strip-link:hover,.strip-link:focus-visible{border-bottom-color:var(--gold);color:var(--gold)}
.strip-arrow{font-family:var(--font-mono);font-size:14px;line-height:1}
.header-main{
  position:relative;background:var(--navy);
  border-bottom:2px solid rgba(216,165,66,.45);
}
.header-inner{
  max-width:1440px;margin:0 auto;padding:0 24px;
  min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  display:flex;align-items:center;gap:12px;
  min-width:88px;padding:8px 20px 8px 0;
  border-right:1px solid var(--line);
}
.brand-mark{
  flex:none;width:46px;height:46px;
  display:grid;place-items:center;
  border:2px solid var(--gold);
  background:rgba(216,165,66,.08);
  color:var(--gold);
  font-family:var(--font-mono);font-size:16px;font-weight:700;letter-spacing:.02em;
  box-shadow:3px 3px 0 rgba(11,30,51,.6);
  transition:background 180ms ease-out,color 180ms ease-out;
}
.brand:hover .brand-mark,.brand:focus-visible .brand-mark{background:var(--gold);color:var(--ink)}
.brand-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand-name{font-family:var(--font-display);font-weight:900;font-size:17px;letter-spacing:.04em;color:var(--sand);line-height:1.2;white-space:nowrap}
.brand-tag{font-family:var(--font-serif);font-size:11px;letter-spacing:.18em;color:var(--mist-soft);white-space:nowrap}
.brand-scale{
  display:inline-flex;align-items:center;gap:8px;margin-left:6px;padding-left:14px;
  border-left:1px solid var(--line);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;color:var(--mist);
}
.brand-since{white-space:nowrap}
.brand-year{color:var(--gold)}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{display:block}
.nav-link{
  position:relative;display:block;padding:12px;
  font-size:15px;line-height:1.4;letter-spacing:.02em;color:var(--text);
  transition:color 160ms ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left center;
  transition:transform 180ms ease-out;
}
.nav-link:hover{color:var(--gold-soft)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--gold-soft)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--gold-soft)}
.nav-foot{
  display:flex;align-items:center;margin-left:16px;padding-left:16px;
  border-left:1px solid var(--line);
}
.nav-toggle{
  display:none;align-items:center;gap:10px;
  border:2px solid var(--line);padding:8px 12px;
  color:var(--sand);font-size:13px;font-weight:700;letter-spacing:.1em;
  transition:border-color 160ms ease-out,color 160ms ease-out;
}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold-soft)}
.nav-toggle-bars{position:relative;display:block;width:18px;height:2px;background:var(--gold-soft)}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--gold-soft);
  transition:transform 160ms ease-out,top 160ms ease-out;
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{top:0;transform:rotate(-45deg)}
.scroll-progress{
  position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:linear-gradient(90deg,var(--lake),var(--gold));
  transition:width 90ms linear;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  font-family:var(--font-display);font-size:14px;font-weight:700;letter-spacing:.02em;
  border:2px solid var(--gold);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,background 180ms ease-out,color 180ms ease-out;
}
.btn-gold{background:var(--gold);color:var(--ink);box-shadow:4px 4px 0 rgba(11,30,51,.55)}
.btn-gold:hover,.btn-gold:focus-visible{transform:translate(-1px,-1px);box-shadow:6px 6px 0 rgba(11,30,51,.55);background:var(--gold-soft)}
.btn-line{background:transparent;color:var(--gold-soft);border-color:var(--gold-soft);box-shadow:4px 4px 0 rgba(11,30,51,.45)}
.btn-line:hover,.btn-line:focus-visible{background:var(--gold-soft);color:var(--ink);transform:translate(-1px,-1px);box-shadow:6px 6px 0 rgba(11,30,51,.55)}
.btn-ghost{background:var(--navy-2);color:var(--gold-soft);border-color:var(--line)}
.btn-ghost:hover,.btn-ghost:focus-visible{border-color:var(--gold);color:var(--gold)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:var(--text);margin-top:0}
.footer-crown{
  height:12px;
  background:var(--indigo);
  border-top:2px solid var(--gold);
  border-bottom:1px solid var(--line);
  background-image:repeating-linear-gradient(90deg,transparent 0 7px,rgba(216,165,66,.55) 7px 8px);
  background-color:var(--indigo);
}
.footer-inner{
  max-width:var(--max);margin:0 auto;
  padding:56px var(--gutter) 40px;
  display:grid;gap:36px;
  grid-template-columns:1.4fr .9fr 1fr 1.3fr;
  align-items:start;
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.footer-brand-link{
  font-family:var(--font-display);font-weight:900;font-size:22px;letter-spacing:.03em;color:var(--sand);
  border-bottom:2px solid transparent;transition:border-color 160ms ease-out,color 160ms ease-out;
}
.footer-brand-link:hover,.footer-brand-link:focus-visible{color:var(--gold-soft);border-bottom-color:var(--gold)}
.footer-tagline{font-family:var(--font-serif);font-size:13px;letter-spacing:.16em;color:var(--gold-soft)}
.footer-meta{font-size:13px;line-height:1.7;color:var(--mist-soft);max-width:22em}
.footer-col{display:block}
.footer-col-title{
  font-family:var(--font-serif);font-size:12px;font-weight:500;
  letter-spacing:.18em;color:var(--gold);text-transform:uppercase;
  padding-left:10px;border-left:2px solid var(--gold);
  margin-bottom:14px;
}
.footer-list{display:grid;gap:9px}
.footer-link{
  font-size:14px;color:#C8D6E3;
  border-bottom:1px solid transparent;
  transition:color 160ms ease-out,border-color 160ms ease-out;
}
.footer-link:hover,.footer-link:focus-visible{color:var(--gold-soft);border-bottom-color:currentColor}
.footer-link[aria-current="page"]{color:var(--gold-soft)}
.footer-static{font-size:13px;line-height:1.6;color:#9FB4C6}
.contact-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.contact-value{font-family:var(--font-mono);font-size:13px;color:#C8D6E3;word-break:break-all}
.copy-btn{
  flex:none;font-size:11px;letter-spacing:.06em;
  padding:2px 8px;border:1px solid var(--line);color:var(--mist-soft);
  transition:border-color 160ms ease-out,color 160ms ease-out,background 160ms ease-out;
}
.copy-btn:hover{border-color:var(--gold);color:var(--gold-soft)}
.copy-btn[data-copied="true"]{background:var(--barley);border-color:var(--barley);color:var(--ink)}
.footer-legal{
  max-width:var(--max);margin:0 auto;
  padding:18px var(--gutter) 28px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:12px;color:var(--mist);
}
.footer-copy{font-family:var(--font-mono);font-size:12px;color:var(--mist-soft)}
.legal-list{display:flex;flex-wrap:wrap;gap:18px}
.legal-link{color:#B7C7D6;border-bottom:1px solid transparent;transition:color 160ms ease-out,border-color 160ms ease-out}
.legal-link:hover,.legal-link:focus-visible{color:var(--gold-soft);border-bottom-color:currentColor}
.footer-icp{font-family:var(--font-mono);font-size:12px;color:var(--mist)}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(40px,6vw,80px) 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{font-family:var(--font-display);font-weight:900;font-size:clamp(26px,3.4vw,48px);letter-spacing:-.01em;color:var(--sand)}
.section-note{font-size:15px;color:var(--mist-soft);max-width:34em}
.eyebrow{font-family:var(--font-serif);font-size:13px;letter-spacing:.18em;color:var(--gold-soft);text-transform:uppercase}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-asym{display:grid;gap:32px;grid-template-columns:7fr 5fr;align-items:start}
.grid-asym > :last-child{margin-top:-24px}
.tick-rule{height:8px;width:100%;background-image:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 8px)}

/* ---------- Frames & plates ---------- */
.frame{position:relative;border:2px solid var(--gold);background:var(--navy-2);padding:clamp(20px,3vw,32px)}
.frame::before,.frame::after{content:"";position:absolute;width:12px;height:12px;border:2px solid var(--gold-soft);pointer-events:none}
.frame::before{top:6px;left:6px;border-right:0;border-bottom:0}
.frame::after{bottom:6px;right:6px;border-left:0;border-top:0}
.plate{
  display:inline-flex;align-items:center;gap:10px;
  border:2px solid var(--line);padding:5px 12px;
  font-family:var(--font-serif);font-size:12px;letter-spacing:.18em;
  color:var(--gold-soft);background:rgba(216,165,66,.06);
}
.plate-num{font-family:var(--font-mono);font-size:12px;letter-spacing:0;color:var(--lake)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:2px 8px;border:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--mist-soft);
}
.tag--new{color:var(--lake);border-color:rgba(47,168,200,.55);background:rgba(47,168,200,.10)}
.tag--state{color:var(--barley);border-color:rgba(143,191,106,.55);background:rgba(143,191,106,.10)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:14px;color:var(--lake);
  border-bottom:2px solid transparent;
  transition:color 160ms ease-out,border-color 160ms ease-out;
}
.link-arrow::after{content:"→";font-family:var(--font-mono)}
.link-arrow:hover,.link-arrow:focus-visible{color:var(--gold-soft);border-bottom-color:var(--gold)}

/* ---------- Tiles ---------- */
.tile{
  position:relative;background:var(--navy-2);border:1px solid var(--line);
  box-shadow:var(--shadow-hard);padding:22px;
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.tile:hover,.tile:focus-within{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--gold)}

/* ---------- Document zone ---------- */
.doc{
  background:var(--sand);color:var(--ink);
  border:2px solid var(--gold);box-shadow:var(--shadow-hard);
  padding:clamp(22px,4vw,48px);
}
.doc h2,.doc h3{font-family:var(--font-display);font-weight:900;color:var(--ink);margin-bottom:.4em}
.doc h2{font-size:clamp(22px,2.4vw,34px)}
.doc h3{font-size:20px;margin-top:1.4em}
.doc p{font-size:16px;line-height:1.75}
.doc p + p{margin-top:.9em}
.doc a{color:#1D6E86;border-bottom:1px solid currentColor}
.doc-body{max-width:38em}
.doc ul{list-style:square;padding-left:1.2em;display:grid;gap:.4em}

/* ---------- Timeline ---------- */
.timeline{position:relative;border-left:1px solid var(--line);padding-left:26px;display:grid;gap:20px}
.timeline-item{position:relative}
.timeline-node{
  position:absolute;left:-33px;top:4px;width:14px;height:14px;
  border:2px solid var(--lake);background:var(--navy);
  transition:border-color 180ms ease-out,background 180ms ease-out;
}
.timeline-item:hover .timeline-node,.timeline-item.is-active .timeline-node{background:var(--lake);border-color:var(--gold-soft)}
.timeline-num{font-family:var(--font-mono);font-size:12px;color:var(--lake);letter-spacing:.06em}
.timeline-body{color:var(--mist-soft);font-size:15px}

/* ---------- Accordion ---------- */
.accordion{display:grid;gap:10px}
.acc-item{border:1px solid var(--line);background:var(--navy-2)}
.acc-trigger{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:14px 18px;text-align:left;
  font-family:var(--font-display);font-size:16px;font-weight:700;color:var(--sand);
  transition:color 160ms ease-out;
}
.acc-trigger:hover{color:var(--gold-soft)}
.acc-trigger::after{content:"＋";font-family:var(--font-mono);font-size:16px;color:var(--gold);flex:none}
.acc-trigger[aria-expanded="true"]::after{content:"－";color:var(--gold-soft)}
.acc-panel{padding:0 18px 16px;font-size:15px;color:var(--mist-soft);border-top:1px solid var(--line-soft);padding-top:14px}

/* ---------- Filters & segments ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.filter-btn{
  padding:8px 14px;border:1px solid var(--line);
  font-size:13px;letter-spacing:.04em;color:var(--mist-soft);background:transparent;
  transition:background 160ms ease-out,color 160ms ease-out,border-color 160ms ease-out;
}
.filter-btn:hover{border-color:var(--gold);color:var(--gold-soft)}
.filter-btn[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:var(--ink);font-weight:700}
.seg{display:inline-flex;border:2px solid var(--line)}
.seg-btn{
  padding:8px 16px;font-size:13px;color:var(--mist-soft);
  border-right:1px solid var(--line);
  transition:background 160ms ease-out,color 160ms ease-out;
}
.seg-btn:last-child{border-right:0}
.seg-btn:hover{color:var(--gold-soft)}
.seg-btn[aria-pressed="true"]{background:var(--indigo);color:var(--gold-soft)}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{padding:18px 0 0}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--mist)}
.breadcrumb-list li + li::before{content:"/";margin-right:8px;color:var(--line)}
.breadcrumb-link{color:var(--mist-soft);border-bottom:1px solid transparent;transition:color 160ms ease-out,border-color 160ms ease-out}
.breadcrumb-link:hover,.breadcrumb-link:focus-visible{color:var(--gold-soft);border-bottom-color:currentColor}
.breadcrumb-current{color:var(--gold-soft)}

/* ---------- Image containers ---------- */
.img-frame{
  position:relative;overflow:hidden;
  aspect-ratio:16/10;
  background:
    repeating-linear-gradient(135deg,rgba(47,168,200,.08) 0 1px,transparent 1px 14px),
    var(--navy-2);
  border:2px solid var(--line);
  box-shadow:var(--shadow-hard);
}
.img-frame::after{
  content:"";position:absolute;right:0;bottom:0;width:18px;height:18px;
  background:var(--gold);clip-path:polygon(100% 0,100% 100%,0 100%);
}
.img-frame img{width:100%;height:100%;object-fit:cover;display:block}
.img-frame--wide{aspect-ratio:21/9}
.img-frame--tall{aspect-ratio:3/4}
.img-frame--square{aspect-ratio:1/1}
.img-caption{
  margin-top:10px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.06em;color:var(--mist);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 260ms ease-out,transform 260ms ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .brand-scale{display:none}
  .grid-asym > :last-child{margin-top:0}
}
@media (max-width:1120px){
  :root{--gutter:40px}
  .grid-asym{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:960px){
  .header-inner{min-height:64px;padding:0 16px;gap:12px}
  .brand{border-right:0;padding-right:12px}
  .brand-tag{display:none}
  .brand-name{font-size:15px}
  .nav-toggle{display:inline-flex}
  .site-nav{display:none}
  .site-nav[data-open]{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;top:100%;left:0;right:0;margin-left:0;
    background:var(--navy-2);
    border-top:1px solid var(--line);
    border-bottom:2px solid var(--gold);
    padding:12px 16px 20px;
    max-height:calc(100vh - 96px);overflow-y:auto;
    box-shadow:0 18px 40px rgba(0,0,0,.45);
    z-index:70;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-item{border-bottom:1px solid var(--line-soft)}
  .nav-link{padding:14px 4px;font-size:16px}
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{color:var(--gold-soft);box-shadow:inset 3px 0 0 var(--gold);padding-left:12px}
  .nav-foot{margin:18px 0 0;padding:0;border-left:0}
  .nav-foot .btn{width:100%}
  .grid-2{grid-template-columns:1fr}
  .strip-inner{padding:0 16px}
  .footer-legal{padding:16px 20px 24px}
}
@media (max-width:720px){
  :root{--gutter:20px}
  body{font-size:16px}
  .strip-note{font-size:10px}
  .brand-mark{width:38px;height:38px;font-size:14px}
  .footer-inner{grid-template-columns:1fr;padding:40px 20px 32px;gap:28px}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:10px}
  .legal-list{gap:14px}
  .section-head{flex-direction:column;align-items:flex-start}
  .img-frame{aspect-ratio:4/3}
}
@media (max-width:430px){
  .strip-note{max-width:52vw}
  .nav-toggle-label{display:none}
  .nav-toggle{padding:8px 10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}