/* ==========================================================================
   澳门沙金官网 · 共享样式 /assets/site.css
   骨相：12 列蓝图网格 / 夜色金沙 / 档案卡片与胶囊
   ========================================================================== */

:root{
  --ink:#0F1D2E;
  --ink-soft:#1B2E45;
  --gold:#D6A54C;
  --gold-hi:#F2DC9E;
  --sand:#F5F1E8;
  --plum:#4A3E63;
  --stone:#6C7480;
  --clay:#A85B3C;
  --moss:#5C7A62;
  --text:#12161C;
  --line:rgba(108,116,128,.26);
  --line-gold:rgba(214,165,76,.24);
  --shell:1320px;
  --pad:28px;
  --r-lg:26px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --serif:"Songti SC","Source Han Serif SC","Noto Serif SC","SimSun",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.4,0,.2,1);
  --step:.2s var(--ease);
}

*,
*::before,
*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  font-weight:400;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  margin:0;
  font-family:var(--serif);
  font-weight:700;
  line-height:1.24;
  letter-spacing:.01em;
}

p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--gold);color:var(--ink)}

:focus-visible{
  outline:2px solid var(--gold-hi);
  outline-offset:3px;
  border-radius:8px;
}

[id="main-content"]{scroll-margin-top:96px}

/* ---------- 布局骨架 ---------- */

.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--pad);
}

.section{padding:72px 0}
.section--tight{padding:44px 0}

.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

.stack{display:flex;flex-direction:column;gap:18px}

.hairline{
  height:1px;
  margin:0;
  border:0;
  background:var(--line);
}

.mono{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.08em;
}

.lede{
  max-width:40ch;
  font-size:19px;
  line-height:1.9;
  color:#3a424c;
}

/* ---------- 通用按钮 ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 24px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--text);
  font-size:15px;
  letter-spacing:.02em;
  transition:background var(--step),border-color var(--step),color var(--step);
}
.btn:hover{border-color:var(--gold);color:#8a6620}

.btn--gold{
  background:var(--gold);
  border-color:var(--gold);
  color:var(--ink);
  font-weight:600;
}
.btn--gold:hover{background:var(--gold-hi);border-color:var(--gold-hi);color:var(--ink)}

.btn--ghost{
  border-color:var(--line-gold);
  background:rgba(214,165,76,.08);
  color:var(--sand);
}
.btn--ghost:hover{background:rgba(214,165,76,.18);border-color:rgba(214,165,76,.6);color:var(--gold-hi)}

/* ---------- 标签 / 胶囊筛选 ---------- */

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--stone);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
}
.tag--gold{border-color:rgba(214,165,76,.5);background:rgba(214,165,76,.16);color:#8a6620}
.tag--plum{border-color:rgba(74,62,99,.34);background:rgba(74,62,99,.08);color:var(--plum)}
.tag--moss{border-color:rgba(92,122,98,.38);background:rgba(92,122,98,.1);color:#3f5a45}
.tag--clay{border-color:rgba(168,91,60,.38);background:rgba(168,91,60,.1);color:var(--clay)}

.chip-row{display:flex;flex-wrap:wrap;gap:10px}

.chip{
  padding:9px 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--sand);
  color:var(--stone);
  font-size:14px;
  transition:background var(--step),border-color var(--step),color var(--step);
}
.chip:hover{border-color:var(--gold);color:var(--text)}
.chip[aria-pressed="true"]{
  border-color:var(--gold);
  background:var(--gold);
  color:var(--ink);
  font-weight:600;
}

/* ---------- 档案卡片 ---------- */

.card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:#fff;
  transition:border-color var(--step);
}
.card:hover{border-color:rgba(214,165,76,.55)}

.card__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.card__meta{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--stone);
}
.card__title{font-size:22px;line-height:1.4}
.card__body{
  margin:0;
  color:#3a424c;
  font-size:16px;
  line-height:1.8;
}

/* ---------- 面包屑 / 页头 ---------- */

.breadcrumb{margin:0 0 26px}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--stone);
}
.breadcrumb__link{color:var(--stone);transition:color var(--step)}
.breadcrumb__link:hover{color:#8a6620}
.breadcrumb__sep{opacity:.55}
.breadcrumb__current{color:var(--text)}

.page-head{
  padding:56px 0 34px;
  border-bottom:1px solid var(--line);
}
.page-head__kicker{
  margin:0 0 14px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.18em;
  color:#8a6620;
  text-transform:uppercase;
}
.page-head__title{font-size:clamp(36px,5vw,68px)}
.page-head__lede{
  max-width:40ch;
  margin:18px 0 0;
  font-size:18px;
  line-height:1.9;
  color:#414952;
}

/* ---------- 图片容器（页面阶段放占位图） ---------- */

.media{
  position:relative;
  min-height:220px;
  overflow:hidden;
  border:1px solid var(--line-gold);
  border-radius:var(--r-lg);
  background:linear-gradient(150deg,#152438 0%,#26364d 55%,#3b3a46 100%);
}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media__img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.94);
}
.media__cap{
  position:absolute;
  left:16px;
  bottom:14px;
  padding:6px 12px;
  border:1px solid var(--line-gold);
  border-radius:var(--r-pill);
  background:rgba(15,29,46,.74);
  color:var(--gold-hi);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
}
.media__frame{
  position:absolute;
  inset:10px;
  border:1px solid rgba(242,220,158,.22);
  border-radius:calc(var(--r-lg) - 10px);
  pointer-events:none;
}

/* ---------- 跳至主要内容 ---------- */

.skip-link{
  position:absolute;
  left:16px;
  top:-64px;
  z-index:200;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:var(--gold);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  transition:top var(--step);
}
.skip-link:focus{top:14px}

/* ---------- 显现动效协议 ---------- */

[data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ==========================================================================
   页头 · 紧凑命令栏
   ========================================================================== */

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink);
  color:var(--sand);
  border-bottom:1px solid var(--line-gold);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(242,220,158,.06) 1px,transparent 1px);
  background-size:6px 6px;
}

.header-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:rgba(214,165,76,.14);
}
.header-progress__bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--gold),var(--gold-hi));
  transition:width .12s linear;
}

.header-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:26px;
  padding-top:14px;
  padding-bottom:14px;
  transition:padding var(--step);
}
.site-header[data-condensed] .header-inner{
  padding-top:8px;
  padding-bottom:8px;
}

/* 品牌署名 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand__glyph{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(150deg,var(--gold),#8d6a26);
  box-shadow:inset 0 1px 0 rgba(242,220,158,.75);
  color:var(--ink);
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
}
.brand__text{
  display:flex;
  flex-direction:column;
  line-height:1.3;
}
.brand__name{
  font-family:var(--serif);
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--sand);
}
.brand__tag{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.1em;
  color:rgba(214,165,76,.85);
}

/* 命令栏导航 */
.cmdbar{min-width:0}
.cmdbar__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:2px;
}
.cmdbar__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:9px 12px;
  border-radius:var(--r-pill);
  color:rgba(245,241,232,.74);
  font-size:14px;
  letter-spacing:.02em;
  transition:color var(--step),background var(--step);
}
.cmdbar__link:hover{
  color:var(--gold-hi);
  background:rgba(214,165,76,.08);
}
.cmdbar__idx{
  font-family:var(--mono);
  font-size:11px;
  color:var(--gold);
  opacity:.72;
}
.cmdbar__link[aria-current="page"]{color:var(--sand)}
.cmdbar__link[aria-current="page"] .cmdbar__idx{opacity:1}
.cmdbar__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:3px;
  height:1px;
  background:var(--gold);
}

/* 右侧工具区 */
.header-tools{
  display:flex;
  align-items:center;
  gap:10px;
  justify-self:end;
}

.library{position:relative}

.library__toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 16px;
  border:1px solid rgba(214,165,76,.45);
  border-radius:var(--r-pill);
  background:rgba(214,165,76,.08);
  color:var(--gold-hi);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  transition:background var(--step),border-color var(--step);
}
.library__toggle:hover{background:rgba(214,165,76,.2);border-color:rgba(214,165,76,.75)}
.library__chev{
  width:7px;
  height:7px;
  border-right:1px solid currentColor;
  border-bottom:1px solid currentColor;
  transform:rotate(45deg) translate(-1px,-1px);
  transition:transform var(--step);
}
.library__toggle[aria-expanded="true"] .library__chev{transform:rotate(225deg) translate(-1px,-1px)}

.library__panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  z-index:70;
  width:min(660px,86vw);
  padding:22px;
  border:1px solid rgba(214,165,76,.3);
  border-radius:var(--r-lg);
  background:var(--ink-soft);
  box-shadow:0 34px 70px -34px rgba(0,0,0,.75);
  animation:panel-in .2s var(--ease);
}
@keyframes panel-in{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:none}
}
.library__hint{
  margin:0 0 14px;
  color:rgba(214,165,76,.85);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.14em;
}
.library__grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
}
.library__card{border-top:1px solid rgba(214,165,76,.16)}
.library__link{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:baseline;
  gap:6px 12px;
  padding:13px 12px;
  border-radius:var(--r-md);
  transition:background var(--step);
}
.library__link:hover{background:rgba(214,165,76,.1)}
.library__idx{
  grid-row:span 2;
  font-family:var(--mono);
  font-size:12px;
  color:var(--gold);
}
.library__name{
  font-family:var(--serif);
  font-size:16px;
  font-weight:700;
  color:var(--sand);
}
.library__desc{
  grid-column:2;
  color:rgba(245,241,232,.6);
  font-size:13px;
  line-height:1.7;
}

.mailchip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border:1px solid rgba(245,241,232,.18);
  border-radius:var(--r-pill);
  color:rgba(245,241,232,.8);
  font-size:13px;
  letter-spacing:.04em;
  transition:border-color var(--step),color var(--step);
}
.mailchip:hover{border-color:rgba(214,165,76,.6);color:var(--gold-hi)}
.mailchip__dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--moss);
  box-shadow:0 0 0 3px rgba(92,122,98,.28);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 14px;
  border:1px solid rgba(214,165,76,.45);
  border-radius:var(--r-pill);
  color:var(--gold-hi);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
}
.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:16px;
}
.nav-toggle__bars span{
  display:block;
  height:1px;
  background:currentColor;
  transition:transform var(--step);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child{transform:translateY(2.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child{transform:translateY(-2.5px) rotate(-45deg)}

/* ==========================================================================
   页脚 · 深墨蓝卷宗
   ========================================================================== */

.site-footer{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:rgba(245,241,232,.78);
  border-top:1px solid var(--line-gold);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(242,220,158,.055) 1px,transparent 1px);
  background-size:7px 7px;
}
.site-footer::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(214,165,76,.55),transparent);
}

.footer-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  padding-top:64px;
  padding-bottom:44px;
}
.footer-grid > *{
  padding:0 26px;
  border-left:1px solid rgba(214,165,76,.16);
}
.footer-grid > *:first-child{padding-left:0;border-left:0}
.footer-grid > *:last-child{padding-right:0}

.footer-brand__label{
  margin:0 0 14px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--gold);
}
.footer-brand__name{
  margin:0 0 14px;
  font-family:var(--serif);
  font-size:21px;
  font-weight:700;
  line-height:1.4;
  color:var(--sand);
}
.footer-brand__note{
  margin:0;
  max-width:34ch;
  color:rgba(245,241,232,.66);
  font-size:15px;
  line-height:1.85;
}
.footer-brand__status{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin:18px 0 0;
  color:rgba(245,241,232,.7);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
}
.status-dot{
  display:inline-block;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--moss);
  box-shadow:0 0 0 3px rgba(92,122,98,.24);
}

.footer-col__title{
  margin:0 0 16px;
  font-family:var(--mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.18em;
  color:var(--gold);
}

.footer-list{display:flex;flex-direction:column}
.footer-list__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:7px 0;
  color:rgba(245,241,232,.78);
  font-size:15px;
  transition:color var(--step);
}
.footer-list__link:hover{color:var(--gold-hi)}
.footer-list__idx{
  min-width:20px;
  font-family:var(--mono);
  font-size:11px;
  color:var(--gold);
  opacity:.8;
}

.footer-contact{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.footer-contact__item{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:15px;
  line-height:1.7;
}
.footer-contact__key{
  min-width:64px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--gold);
}
.footer-contact__val{
  color:rgba(245,241,232,.9);
  word-break:break-all;
}

.copy-btn{
  padding:4px 10px;
  border:1px solid rgba(214,165,76,.4);
  border-radius:var(--r-pill);
  color:var(--gold-hi);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
  transition:background var(--step),border-color var(--step);
}
.copy-btn:hover{background:rgba(214,165,76,.18);border-color:rgba(214,165,76,.8)}
.copy-note{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.06em;
  color:#9DBFA3;
  opacity:0;
  transition:opacity var(--step);
}
.copy-note.is-visible{opacity:1}

.footer-bottom{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:22px;
  padding-bottom:34px;
  border-top:1px solid rgba(214,165,76,.16);
  color:rgba(245,241,232,.62);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin:0;
}
.footer-meta__key{color:var(--gold)}
.footer-meta__note{
  margin:0;
  color:rgba(245,241,232,.5);
}

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width:1080px){
  .footer-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    row-gap:38px;
  }
  .footer-grid > *{padding:0 22px}
  .footer-grid > *:nth-child(2n+1){padding-left:0;border-left:0}
  .footer-grid > *:nth-child(2n){padding-right:0}
}

@media (max-width:960px){
  :root{--pad:20px}

  .header-inner{
    grid-template-columns:minmax(0,1fr) auto;
    gap:12px;
    padding-top:12px;
    padding-bottom:12px;
  }
  .header-tools{gap:8px}
  .mailchip{display:none}
  .nav-toggle{display:inline-flex}

  .cmdbar{
    position:absolute;
    left:12px;
    right:12px;
    top:calc(100% + 8px);
    max-height:72vh;
    overflow:auto;
    padding:10px;
    border:1px solid rgba(214,165,76,.3);
    border-radius:var(--r-lg);
    background:var(--ink-soft);
    box-shadow:0 34px 70px -34px rgba(0,0,0,.75);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity var(--step),transform var(--step),visibility var(--step);
  }
  .cmdbar[data-open]{
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .cmdbar__list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .cmdbar__link{
    width:100%;
    padding:12px 14px;
    border-radius:14px;
    font-size:15px;
  }
  .cmdbar__link[aria-current="page"]{background:rgba(214,165,76,.12)}
  .cmdbar__link[aria-current="page"]::after{display:none}

  .library{position:static}
  .library__panel{
    left:12px;
    right:12px;
    top:calc(100% + 8px);
    width:auto;
    max-height:72vh;
    overflow:auto;
  }
  .library__grid{grid-template-columns:1fr}

  .section{padding:52px 0}
  .section--tight{padding:34px 0}
  .page-head{padding:36px 0 26px}
  .grid-12{gap:18px}
  .col-4,.col-6,.col-8{grid-column:span 12}
}

@media (max-width:720px){
  body{font-size:16px}

  .brand__tag{display:none}
  .brand__glyph{width:34px;height:34px;font-size:18px}

  .footer-grid{
    grid-template-columns:1fr;
    padding-top:44px;
    padding-bottom:30px;
  }
  .footer-grid > *{
    padding:22px 0 0;
    border-left:0;
    border-top:1px solid rgba(214,165,76,.16);
  }
  .footer-grid > *:first-child{padding-top:0;border-top:0}

  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
  }
  .footer-contact__key{min-width:100%}

  .nav-toggle__text{display:none}
}

/* ==========================================================================
   可访问性与减少动效
   ========================================================================== */

@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;
  }
}