/* =========================================================
   澳门十大娱乐 · /assets/site.css
   共享层：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   ========================================================= */

:root{
  --ink-900:#06120F;
  --ink-800:#0B1F1A;
  --ink-700:#0F2A23;
  --gold:#C9A227;
  --gold-light:#F2D06B;
  --gold-deep:#C98B1E;
  --cyan:#35E0D0;
  --coral:#FF6B5A;
  --steel:#7C93A0;
  --cold:#16232B;
  --ghost:#6E7F79;
  --paper:#E8EDEA;

  --line:rgba(232,237,234,.14);
  --line-gold:rgba(201,162,39,.34);
  --line-cold:rgba(124,147,160,.40);

  --warm-grad:linear-gradient(135deg,#F2D06B 0%,#E0B94A 44%,#C98B1E 100%);

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

  --rail-w:56px;
  --pad-x:clamp(16px,3vw,40px);
  --z-header:80;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink-800);
  background-image:
    linear-gradient(to right,rgba(201,162,39,.055) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(201,162,39,.055) 1px,transparent 1px);
  background-size:96px 96px;
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(58% 38% at 6% 0%,rgba(53,224,208,.10),transparent 70%),
    radial-gradient(46% 36% at 100% 14%,rgba(255,107,90,.07),transparent 70%),
    radial-gradient(70% 46% at 50% 118%,rgba(201,162,39,.11),transparent 70%);
}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--cyan)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.1;letter-spacing:.02em}
p{margin:0 0 1em}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:rgba(53,224,208,.32);color:var(--ink-900)}
#main-content:focus{outline:none}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;left:12px;top:12px;z-index:200;
  transform:translateY(-180%);
  padding:.62em 1em;
  background:var(--gold);color:var(--ink-900);
  font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0);color:var(--ink-900)}

/* ---------- 头部框架 ---------- */
.site-header{position:sticky;top:0;z-index:var(--z-header)}

.frame-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(232,237,234,.08);
}
.frame-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--gold-light),var(--coral));
}

.frame-rail{display:none}

.frame-bar{
  background:rgba(6,18,15,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-gold);
}
.frame-bar__inner{
  max-width:1440px;margin:0 auto;
  padding:12px var(--pad-x);
  display:flex;align-items:center;
  gap:clamp(14px,2vw,32px);
}

.brand{
  display:flex;flex-direction:column;gap:2px;flex:0 0 auto;
  padding-right:clamp(14px,2vw,28px);
  border-right:1px solid var(--line);
}
.brand__mark{font-size:20px;font-weight:800;letter-spacing:.18em;line-height:1.2;color:var(--paper)}
.brand:hover .brand__mark{color:var(--gold-light)}
.brand__tagline{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--cyan);opacity:.92}

.frame-status{
  display:flex;align-items:center;gap:9px;
  flex:1 1 auto;min-width:0;margin:0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--steel);
}
.frame-status__text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.frame-status__dot{
  width:7px;height:7px;flex:0 0 auto;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(53,224,208,.14);
  animation:frame-pulse 3.4s ease-in-out infinite;
}
@keyframes frame-pulse{0%,100%{opacity:1}50%{opacity:.32}}

.frame-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:10px;margin-left:auto;
  padding:.72em .9em;
  border:1px solid var(--line-gold);
  background:rgba(201,162,39,.08);
  color:var(--gold-light);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  transition:background-color .18s ease,color .18s ease;
}
.nav-toggle:hover{background:rgba(201,162,39,.16);color:var(--paper)}
.nav-toggle__icon{display:flex;flex-direction:column;justify-content:space-between;width:16px;height:11px}
.nav-toggle__bar{display:block;height:2px;width:100%;background:currentColor;transition:transform .18s ease,opacity .18s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}

/* 横排索引 */
.frame-nav{
  max-width:1440px;margin:0 auto;
  padding:0 var(--pad-x);
  display:flex;align-items:center;gap:clamp(12px,2vw,32px);
  border-top:1px solid var(--line);
}
.frame-nav__list{display:flex;flex-wrap:wrap;align-items:stretch;flex:1 1 auto}
.frame-nav__item{border-right:1px solid var(--line)}
.frame-nav__item:first-child{border-left:1px solid var(--line)}
.frame-nav__link{
  position:relative;display:flex;align-items:baseline;gap:.6em;
  padding:12px clamp(10px,1.4vw,20px);
  font-size:15px;color:rgba(232,237,234,.78);
  transition:color .18s ease,background-color .18s ease;
}
.frame-nav__link:hover{color:var(--paper);background:rgba(53,224,208,.06)}
.nav-index{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;color:var(--ghost)}
.nav-label{white-space:nowrap}
.frame-nav__link[aria-current="page"]{
  color:var(--cyan);
  background:linear-gradient(180deg,rgba(53,224,208,.10),rgba(53,224,208,0));
}
.frame-nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--cyan);
}
.frame-nav__link[aria-current="page"] .nav-index{color:var(--gold)}
.frame-nav__meta{
  margin:0;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--ghost);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.85em 1.15em;
  border:1px solid transparent;border-radius:0;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.1em;line-height:1;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--solid{background-image:var(--warm-grad);background-size:180% 180%;color:#0B1F1A;font-weight:700;border-color:var(--gold-light)}
.btn--solid:hover{color:#06120F}
.btn--ghost{background:rgba(53,224,208,.06);color:var(--cyan);border-color:rgba(53,224,208,.42)}
.btn--ghost:hover{background:rgba(53,224,208,.14);color:var(--paper)}
.btn--alert{background:rgba(255,107,90,.12);color:var(--coral);border-color:rgba(255,107,90,.5)}
.btn--alert:hover{background:rgba(255,107,90,.2);color:var(--paper)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px,8vw,120px);
  background:linear-gradient(180deg,#06120F 0%,#0B1F1A 100%);
  border-top:1px solid var(--line-gold);
}
.footer-frame{
  max-width:1440px;margin:0 auto;
  padding:clamp(36px,5vw,72px) var(--pad-x) clamp(28px,4vw,48px);
}
.footer-head{
  display:flex;flex-wrap:wrap;gap:clamp(16px,3vw,40px);
  align-items:flex-end;justify-content:space-between;
}
.footer-head__brand{min-width:0}
.footer-brand{margin:0;font-size:clamp(1.6rem,3.4vw,2.6rem);font-weight:800;letter-spacing:.16em;color:var(--paper)}
.footer-tagline{margin:6px 0 0;font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--gold)}
.footer-head__side{display:flex;flex-direction:column;align-items:flex-start;gap:14px;max-width:36ch}
.footer-note{margin:0;font-size:13px;line-height:1.7;color:var(--steel)}

.footer-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(18px,2.6vw,36px);
  margin-top:clamp(26px,3.4vw,40px);
  padding-top:clamp(22px,3vw,34px);
  border-top:1px solid var(--line);
}
.footer-col{min-width:0}
.footer-col--cold{
  background:linear-gradient(180deg,rgba(22,35,43,.92),rgba(22,35,43,.42));
  border:1px solid var(--line-cold);
  padding:16px 16px 8px;
}
.footer-col__title{
  margin:0 0 12px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--gold);
}
.footer-col--cold .footer-col__title{color:var(--steel)}
.footer-col__title a{color:inherit}
.footer-col__title a:hover{color:var(--gold-light)}
.footer-list li{padding:7px 0;border-bottom:1px dashed rgba(232,237,234,.10)}
.footer-list a{font-size:14.5px;color:rgba(232,237,234,.76)}
.footer-list a:hover{color:var(--cyan)}

.footer-meta{
  margin-top:clamp(24px,3vw,36px);
  padding-top:20px;
  border-top:1px solid var(--line);
  display:grid;gap:6px;
}
.footer-contact,.footer-address,.footer-legal{margin:0;font-size:13px;color:var(--steel)}
.footer-legal{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--ghost)}

.to-top{
  position:fixed;right:clamp(14px,2vw,28px);bottom:clamp(14px,2vw,28px);z-index:70;
  padding:.8em 1em;
  border:1px solid var(--line-gold);
  background:rgba(6,18,15,.94);
  color:var(--gold-light);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,color .18s ease;
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{color:var(--cyan)}

/* ---------- 通用栅格与容器 ---------- */
.container{width:100%;max-width:1440px;margin:0 auto;padding:0 var(--pad-x)}
.section{padding:clamp(40px,6vw,96px) 0}
.section--tight{padding:clamp(24px,3.4vw,56px) 0}
.grid{display:grid;gap:clamp(18px,2.6vw,36px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--rail{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
.rule{height:1px;border:0;margin:clamp(24px,3vw,48px) 0;background:linear-gradient(90deg,var(--line-gold),transparent)}

/* ---------- 文字层级 ---------- */
.display{font-size:clamp(2.4rem,6vw,5.2rem);line-height:1.02;letter-spacing:.02em;font-weight:800}
.lede{max-width:34em;font-size:clamp(1rem,1.4vw,1.25rem);line-height:1.7;color:rgba(232,237,234,.82)}
.eyebrow{margin:0 0 .6em;font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;color:var(--gold);text-transform:uppercase}
.label{
  display:inline-block;padding:.25em .6em;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;
  color:var(--paper);background:rgba(232,237,234,.08);border:1px solid var(--line);
}
.label--cyan{color:var(--cyan);background:rgba(53,224,208,.08);border-color:rgba(53,224,208,.42)}
.label--coral{color:var(--coral);background:rgba(255,107,90,.10);border-color:rgba(255,107,90,.45)}
.label--cold{color:var(--steel);background:rgba(22,35,43,.62);border-color:var(--line-cold)}

.prose{max-width:64ch;color:rgba(232,237,234,.86)}
.prose p{margin:0 0 1.1em}
.prose h2{margin:2em 0 .6em;font-size:clamp(1.4rem,2.4vw,2rem)}
.prose h3{margin:1.6em 0 .5em;font-size:1.15rem;letter-spacing:.04em}
.prose ul{margin:0 0 1.2em}
.prose li{position:relative;padding-left:1.5em}
.prose li::before{content:"→";position:absolute;left:0;color:var(--cyan);font-family:var(--font-mono)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:.55em;
  padding:14px 0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--ghost);
}
.breadcrumb a{color:var(--steel)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb__sep{color:var(--ghost);opacity:.7}
.breadcrumb [aria-current="page"]{color:var(--gold)}

/* ---------- 面板 ---------- */
.panel{border:1px solid var(--line);background:rgba(6,18,15,.55);padding:clamp(18px,2.4vw,28px)}
.panel--warm{
  background-image:var(--warm-grad);
  color:#0B1F1A;border-color:var(--gold-light);
  animation:warm-breathe 12s ease-in-out infinite;
}
@keyframes warm-breathe{0%,100%{filter:brightness(1)}50%{filter:brightness(1.04)}}
.panel__head{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:12px;margin-bottom:16px;border-bottom:1px solid var(--line);
}
.panel--warm .panel__head{border-bottom-color:rgba(11,31,26,.28)}
.panel__title{margin:0;font-size:1.1rem;letter-spacing:.06em}
.panel__body{color:inherit}
.panel__body p:last-child{margin-bottom:0}

/* ---------- 标签 / 状态标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:.4em;
  padding:.3em .6em;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  color:var(--steel);background:rgba(232,237,234,.04);border:1px solid var(--line);
}
.tag--cyan{color:var(--cyan);border-color:rgba(53,224,208,.4)}
.tag--coral{color:var(--coral);border-color:rgba(255,107,90,.4)}
.tag--cold{color:var(--steel);background:rgba(22,35,43,.55);border-color:var(--line-cold)}
.tag--gold{color:var(--gold-light);border-color:var(--line-gold)}

/* ---------- 暖区 / 冷区 ---------- */
.warm-zone{
  background-image:var(--warm-grad);
  color:#0B1F1A;border:1px solid var(--gold-light);
  padding:clamp(18px,2.4vw,30px);
}
.warm-zone a{color:#0B1F1A;text-decoration:underline}
.cold-zone{
  background:var(--cold);
  color:var(--paper);border:1px solid var(--line-cold);
  padding:clamp(18px,2.4vw,30px);
}
.cold-zone .lede{color:rgba(232,237,234,.8)}

/* ---------- 路径 ---------- */
.path{
  display:flex;flex-wrap:wrap;align-items:center;gap:.55em;
  padding:.9em 1em;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;
  border:2px solid transparent;
}
.path--new{border-color:var(--cyan);color:var(--cyan);background:rgba(53,224,208,.06)}
.path--legacy{
  border:1px dashed rgba(110,127,121,.55);
  color:rgba(110,127,121,.9);
  background:transparent;
}
.path__arrow{font-family:var(--font-mono);color:var(--gold)}

/* ---------- 密集索引 ---------- */
.index-list{border-top:1px solid var(--line)}
.index-list__row{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  gap:clamp(10px,2vw,24px);align-items:baseline;
  padding:14px 0;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.index-list__row:hover{background:rgba(53,224,208,.05)}
.index-list__num{font-family:var(--font-mono);font-size:12px;color:var(--gold)}
.index-list__title{font-size:1rem;font-weight:600}
.index-list__meta{font-family:var(--font-mono);font-size:11.5px;color:var(--ghost);white-space:nowrap}

/* ---------- 数字状态 ---------- */
.stat{border-left:2px solid var(--gold);padding-left:14px}
.stat__value{display:block;font-family:var(--font-mono);font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.1;color:var(--gold-light)}
.stat__label{font-size:12.5px;letter-spacing:.06em;color:var(--steel)}

/* ---------- 可展开内容组 ---------- */
.expand{border:1px solid var(--line);background:rgba(6,18,15,.4)}
.expand__toggle{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;
  padding:16px clamp(14px,2vw,22px);
  text-align:left;font-size:1rem;font-weight:600;color:var(--paper);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.expand__toggle:hover{color:var(--cyan)}
.expand__toggle::after{content:"＋";font-family:var(--font-mono);color:var(--gold)}
.expand__toggle[aria-expanded="true"]{border-bottom-color:var(--line)}
.expand__toggle[aria-expanded="true"]::after{content:"－"}
.expand__panel{display:none;padding:18px clamp(14px,2vw,22px);color:rgba(232,237,234,.84)}
.expand__panel[data-open]{display:block}

/* ---------- 页尾状态面板 ---------- */
.status-panel{
  border:1px solid var(--line-gold);
  background:linear-gradient(180deg,rgba(22,35,43,.85),rgba(6,18,15,.92));
  padding:clamp(16px,2.2vw,26px);
}
.status-panel__row{
  display:flex;justify-content:space-between;gap:16px;
  padding:10px 0;border-bottom:1px dashed rgba(232,237,234,.12);
}
.status-panel__row:last-child{border-bottom:0;padding-bottom:0}
.status-panel__key{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--steel)}
.status-panel__val{font-size:14px;color:var(--paper);text-align:right}

/* ---------- 媒体容器（页面阶段放图） ---------- */
.media{
  position:relative;display:block;width:100%;overflow:hidden;
  background:linear-gradient(140deg,var(--ink-700),var(--cold));
  border:1px solid var(--line);
}
.media::after{content:"";position:absolute;inset:0;border:1px solid rgba(232,237,234,.06);pointer-events:none}
.media__img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media__caption{
  display:block;padding:10px 2px 0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--ghost);
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .grid--rail{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:1024px){
  .frame-actions{display:none}
  .nav-toggle{display:inline-flex}
  .frame-nav{
    display:none;
    flex-direction:column;align-items:stretch;gap:0;
    padding:0 0 12px;
    background:var(--ink-900);
    border-top:1px solid var(--line-gold);
  }
  .frame-nav[data-open]{display:flex}
  .frame-nav__list{flex-direction:column;width:100%}
  .frame-nav__item{border-right:0;border-left:0;border-top:1px solid var(--line)}
  .frame-nav__item:first-child{border-left:0}
  .frame-nav__link{padding:14px var(--pad-x);font-size:16px}
  .frame-nav__meta{padding:14px var(--pad-x) 0}
}

@media (max-width:860px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:720px){
  .frame-status{display:none}
  .brand{border-right:0;padding-right:0}
  .brand__mark{font-size:17px;letter-spacing:.14em}
  .index-list__row{grid-template-columns:auto minmax(0,1fr);row-gap:4px}
  .index-list__meta{grid-column:2;white-space:normal}
}

@media (max-width:520px){
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-head{align-items:flex-start}
}

/* ---------- 竖排导轨（桌面） ---------- */
@media (min-width:1200px){
  body{padding-left:var(--rail-w)}
  .frame-rail{
    display:flex;flex-direction:column;align-items:center;justify-content:space-between;
    gap:18px;position:fixed;left:0;top:0;bottom:0;width:var(--rail-w);
    padding:22px 0;
    background:var(--ink-900);
    border-right:1px solid var(--line-gold);
    z-index:90;pointer-events:none;
  }
  .rail-vert{
    writing-mode:vertical-rl;text-orientation:mixed;
    font-family:var(--font-mono);font-size:12px;letter-spacing:.42em;
    color:var(--gold);opacity:.86;
  }
  .rail-note{
    writing-mode:vertical-rl;text-orientation:mixed;
    font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;
    color:var(--steel);
  }
  .rail-line{flex:1 1 auto;width:1px;background:linear-gradient(180deg,transparent,var(--line-gold),transparent)}
  .rail-step{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--ghost)}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .frame-status__dot{animation:none}
  .panel--warm{animation:none}
}