/* ============================================================
   尊龙游艺会 · 共享样式 /assets/site.css
   玄黑底 · 鎏金线 · 朱砂点 · 青玉态 · 电光青焦点
   ============================================================ */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,dl,dd,figure,blockquote,fieldset{margin:0}
ul,ol{padding:0}
ul[class],ol[class]{list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-weight:400;line-height:1.25}

/* ---------- 2. 变量 ---------- */
:root{
  --ink-900:#0B0C10;
  --ink-800:#14161C;
  --ink-700:#1A1D25;
  --line:#2A2D36;
  --gold:#D4A24C;
  --gold-lit:#F2D18B;
  --cinnabar:#C0392B;
  --jade:#3FA98A;
  --cyan:#63E6D2;
  --text:#EAE6DE;
  --text-dim:#8D8B86;

  --max:1240px;
  --gutter:clamp(18px,4vw,44px);
  --gap:24px;
  --header-h:52px;
  --ease:160ms cubic-bezier(.2,.6,.3,1);
  --shadow-soft:0 14px 18px -12px rgba(0,0,0,.55);

  --font-display:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC","SimSun",serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"SFMono-Regular",ui-monospace,Consolas,"Liberation Mono",Menlo,monospace;
}

/* ---------- 3. 中文排版与页面底色 ---------- */
html{background:var(--ink-900)}
body{
  min-height:100vh;
  background-color:var(--ink-900);
  background-image:
    radial-gradient(68% 46% at 86% -6%, rgba(212,162,76,.11), transparent 70%),
    radial-gradient(56% 40% at 2% 4%, rgba(99,230,210,.055), transparent 72%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
p{max-width:min(100%,42em)}
::selection{background:rgba(212,162,76,.32);color:#fff}

/* ---------- 4. 焦点与无障碍工具 ---------- */
:where(a,button,input,select,textarea,[tabindex]):focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:1px;
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;left:16px;top:-120px;z-index:120;
  padding:10px 18px;
  background:var(--gold);color:var(--ink-900);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  transition:top var(--ease);
}
.skip-link:focus{top:10px}

/* ---------- 5. 命令栏（页头） ---------- */
.cmd-bar{
  position:sticky;top:0;z-index:70;
  background:rgba(20,22,28,.94);
  -webkit-backdrop-filter:blur(12px) saturate(130%);
  backdrop-filter:blur(12px) saturate(130%);
  transition:background var(--ease);
}
.cmd-bar[data-condensed]{background:rgba(11,12,16,.975)}
.cmd-bar__inner{
  width:100%;max-width:var(--max);margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--header-h);
  display:flex;align-items:center;gap:clamp(10px,2vw,28px);
  transition:min-height var(--ease);
}
.cmd-bar[data-condensed] .cmd-bar__inner{min-height:44px}
.cmd-bar__line{
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line) 10%,var(--line) 90%,transparent);
}
.cmd-bar[data-condensed] .cmd-bar__line{
  background:linear-gradient(90deg,transparent,rgba(212,162,76,.45) 20%,rgba(212,162,76,.45) 80%,transparent);
}

/* ---------- 6. 品牌 ---------- */
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text);flex:0 0 auto;
  transition:color var(--ease);
}
.brand__mark{
  display:grid;place-items:center;
  width:26px;height:26px;
  border:1px solid var(--gold);
  color:var(--gold);
  font-family:var(--font-display);font-size:15px;line-height:1;
  transform:rotate(-3deg);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.brand:hover .brand__mark{background:rgba(212,162,76,.16);border-color:var(--gold-lit);color:var(--gold-lit)}
.brand__name{
  font-family:var(--font-display);
  font-size:17px;letter-spacing:.16em;line-height:1;
  white-space:nowrap;
}
.brand__index{
  font-family:var(--font-mono);font-size:9px;letter-spacing:.24em;
  color:var(--text-dim);text-transform:uppercase;white-space:nowrap;
  padding-left:10px;border-left:1px solid var(--line);
}

/* ---------- 7. 主导航 ---------- */
.nav{display:block}
.nav__list{display:flex;align-items:center;gap:clamp(2px,1vw,16px)}
.nav__item{flex:0 0 auto}
.nav__link{
  position:relative;
  display:inline-flex;align-items:baseline;gap:5px;
  padding:7px 5px;
  color:var(--text-dim);
  font-size:13px;letter-spacing:.05em;white-space:nowrap;
  transition:color var(--ease);
}
.nav__num{
  font-family:var(--font-mono);font-size:9px;letter-spacing:.1em;
  color:#4A4D57;transition:color var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:5px;right:5px;bottom:0;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--ease);
}
.nav__link:hover{color:var(--text)}
.nav__link:hover .nav__num{color:var(--gold)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--gold-lit)}
.nav__link[aria-current="page"] .nav__num{color:var(--gold)}
.nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--gold)}
.nav__link[aria-current="page"] .nav__num::after{
  content:"";display:inline-block;width:4px;height:4px;margin-left:4px;
  border-radius:50%;background:var(--gold-lit);vertical-align:middle;
  box-shadow:0 0 7px rgba(242,209,139,.85);
}

/* ---------- 8. 命令栏操作区 ---------- */
.cmd-bar__actions{
  display:flex;align-items:center;gap:10px;
  margin-left:auto;flex:0 0 auto;
}
.icon-btn{
  display:inline-grid;place-items:center;
  width:34px;height:34px;
  border:1px solid var(--line);
  color:var(--text-dim);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.icon-btn:hover{color:var(--gold-lit);border-color:var(--gold);background:rgba(212,162,76,.08)}
.icon-btn__glyph{font-size:15px;line-height:1;transform:translateY(-1px)}

/* ---------- 9. 按钮 ---------- */
.btn{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 20px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  line-height:1.4;white-space:nowrap;
  border:1px solid var(--gold);
  color:var(--gold-lit);
  background:transparent;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.btn::after{
  content:"";position:absolute;right:-1px;bottom:-1px;
  width:8px;height:8px;background:var(--gold);
  clip-path:polygon(100% 0,100% 100%,0 100%);
  transition:background var(--ease);
}
.btn:hover{background:rgba(212,162,76,.14);color:#fff;border-color:var(--gold-lit)}
.btn:hover::after{background:var(--gold-lit)}
.btn--solid{background:var(--gold);border-color:var(--gold);color:var(--ink-900)}
.btn--solid::after{background:var(--ink-900)}
.btn--solid:hover{background:var(--gold-lit);border-color:var(--gold-lit);color:var(--ink-900)}

/* ---------- 10. 移动导航按钮 ---------- */
.nav-toggle{
  display:none;
  align-items:center;gap:8px;
  padding:8px 11px;
  border:1px solid var(--line);
  color:var(--text-dim);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  transition:color var(--ease),border-color var(--ease);
}
.nav-toggle:hover{color:var(--gold-lit);border-color:var(--gold)}
.nav-toggle__bars{display:grid;gap:4px;width:14px}
.nav-toggle__bars span{
  display:block;height:1px;width:100%;background:currentColor;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle[aria-expanded="true"]{color:var(--gold-lit);border-color:var(--gold)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 11. 命令面板（检索/快速跳转） ---------- */
.palette{
  position:fixed;inset:0;z-index:100;
  display:block;
  padding:clamp(56px,12vh,140px) var(--gutter) var(--gutter);
}
.palette[hidden]{display:none}
.palette__scrim{
  position:absolute;inset:0;
  background:rgba(6,7,10,.76);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
}
.palette__panel{
  position:relative;
  width:min(560px,100%);margin-inline:auto;
  background:var(--ink-800);
  border:1px solid var(--line);
  box-shadow:0 30px 70px -34px #000,0 0 0 1px rgba(212,162,76,.14);
  padding:20px;
}
.palette__title{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  color:var(--text-dim);text-transform:uppercase;
  padding-left:10px;border-left:2px solid var(--gold);
  margin-bottom:16px;
}
.palette__field{
  display:flex;align-items:center;gap:10px;
  padding-bottom:9px;
  border-bottom:1px solid var(--gold);
}
.palette__prompt{font-family:var(--font-mono);font-size:15px;color:var(--gold)}
.palette__input{
  flex:1;min-width:0;
  background:none;border:0;outline:none;
  font-size:15px;letter-spacing:.02em;color:var(--text);
  padding:2px 0;
}
.palette__input::placeholder{color:#5A5D67}
.palette__list{margin-top:14px;display:grid;gap:2px;max-height:46vh;overflow-y:auto}
.palette__item{display:block}
.palette__item[hidden]{display:none}
.palette__link{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;
  border-left:2px solid transparent;
  color:var(--text-dim);font-size:14px;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.palette__num{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:#4A4D57;transition:color var(--ease)}
.palette__label{color:inherit}
.palette__route{
  margin-left:auto;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;
  color:#4A4D57;
}
.palette__item[data-active] .palette__link,
.palette__link:hover{
  background:rgba(212,162,76,.09);
  border-left-color:var(--gold);
  color:var(--gold-lit);
}
.palette__item[data-active] .palette__num,
.palette__link:hover .palette__num{color:var(--gold)}
.palette__empty{
  margin-top:14px;padding:12px;
  border:1px dashed var(--line);
  font-size:13px;color:var(--text-dim);
}
.palette__hint{
  margin-top:16px;padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:6px 18px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  color:#5A5D67;text-transform:uppercase;
}

/* ---------- 12. 页脚 ---------- */
.site-foot{
  position:relative;
  margin-top:clamp(56px,9vw,116px);
  background:var(--ink-800);
  border-top:1px solid var(--line);
  color:var(--text-dim);
}
.site-foot::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(212,162,76,.6) 18%,rgba(212,162,76,.6) 82%,transparent);
}
.site-foot__inner{
  width:100%;max-width:var(--max);margin-inline:auto;
  padding:clamp(36px,5.5vw,64px) var(--gutter) clamp(26px,4vw,44px);
  display:grid;gap:clamp(26px,3.4vw,44px);
  grid-template-columns:1.5fr repeat(4,minmax(0,1fr));
}
.foot-brand{display:flex;flex-direction:column;gap:12px}
.brand--foot{align-self:flex-start}
.foot-brand__line{
  font-size:13px;letter-spacing:.04em;color:var(--text);
  padding-top:12px;border-top:1px solid var(--line);max-width:22em;
}
.foot-brand__note{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:#5A5D67;
}
.foot-col{display:flex;flex-direction:column;gap:12px}
.foot-col__title{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  color:var(--gold);text-transform:uppercase;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.foot-col__list{display:grid;gap:9px}
.foot-col__link{
  display:inline-block;
  font-size:13px;letter-spacing:.03em;color:var(--text-dim);
  transition:color var(--ease),transform var(--ease);
}
.foot-col__link:hover{color:var(--gold-lit);transform:translateX(2px)}
.site-foot__base{
  width:100%;max-width:var(--max);margin-inline:auto;
  padding:16px var(--gutter) 30px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:8px 24px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:#6C6F79;
}
.site-foot__contact{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;color:var(--text-dim)}
.site-foot__label{color:#4A4D57}
.site-foot__sep{color:var(--gold);opacity:.6}
.site-foot__legal{color:#6C6F79}

/* ---------- 13. 正文容器与分段 ---------- */
.main{position:relative;z-index:1;padding-top:clamp(20px,3.5vw,44px)}
.container{
  width:100%;max-width:var(--max);
  margin-inline:auto;padding-inline:var(--gutter);
}
.section{position:relative;padding-block:clamp(28px,4.6vw,60px)}
.section::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,rgba(212,162,76,.42) 12%,rgba(212,162,76,.42) 88%,transparent);
  pointer-events:none;
}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 20px;
  margin-bottom:clamp(20px,3vw,36px);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;
  color:var(--gold);text-transform:uppercase;
}
.eyebrow::before{
  content:"";display:inline-block;width:14px;height:1px;background:var(--gold);
}
.sec-title{
  font-family:var(--font-display);
  font-size:clamp(24px,3vw,32px);letter-spacing:.06em;
  color:var(--text);
}
.sec-title--display{
  font-size:clamp(40px,6vw,88px);
  letter-spacing:.08em;line-height:1.08;
  font-weight:300;
}
.lede{
  font-size:clamp(15px,1.5vw,17px);line-height:1.9;
  color:var(--text-dim);max-width:38em;
}
.rule{
  height:1px;border:0;
  background:linear-gradient(90deg,var(--gold),rgba(212,162,76,0) 72%);
  opacity:.55;
}

/* ---------- 14. 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:#5A5D67;
}
.breadcrumb__link{color:var(--text-dim);transition:color var(--ease)}
.breadcrumb__link:hover{color:var(--gold-lit)}
.breadcrumb__sep{color:#3A3D46}

/* ---------- 15. 网格与资料卡 ---------- */
.grid{
  display:grid;gap:var(--gap);
  grid-template-columns:repeat(12,minmax(0,1fr));
}
.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:span 12}

.card{
  position:relative;
  padding:clamp(16px,2.2vw,26px);
  background:var(--ink-800);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--gold);background:var(--ink-700)}
.card__index{
  display:block;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  color:var(--gold);margin-bottom:10px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border:1px solid var(--line);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  color:var(--text-dim);text-transform:uppercase;
  transition:color var(--ease),border-color var(--ease);
}
.tag:hover{color:var(--gold-lit);border-color:var(--gold)}
.tag--warm{color:#E8A79F;border-color:rgba(192,57,43,.55)}
.tag--jade{color:#8FDCC5;border-color:rgba(63,169,138,.55)}
.stat{
  display:flex;flex-direction:column;gap:2px;
  padding-left:12px;border-left:1px solid var(--gold);
}
.stat__num{
  font-family:var(--font-mono);
  font-size:clamp(20px,2.6vw,34px);letter-spacing:.04em;
  color:var(--gold-lit);line-height:1.2;
}
.stat__label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--text-dim);text-transform:uppercase;
}

/* ---------- 16. 图片容器（供页面阶段放置占位） ---------- */
.media{
  position:relative;display:block;overflow:hidden;
  background:linear-gradient(152deg,var(--ink-800),#0F1116 60%,#0C0E12);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 88% 0%,rgba(212,162,76,.14),transparent 62%);
  mix-blend-mode:screen;
}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--3x4{aspect-ratio:3/4}
.media--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%)}
.media__note{
  position:absolute;left:0;bottom:0;
  padding:7px 12px;
  background:rgba(11,12,16,.86);
  border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  color:var(--text-dim);text-transform:uppercase;
}

/* ---------- 17. 断点 ---------- */
@media (max-width:1100px){
  .brand__index{display:none}
  .nav__link{font-size:12px}
}
@media (max-width:900px){
  .cmd-bar__inner{gap:12px}
  .nav-toggle{display:inline-flex}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    background:var(--ink-800);
    border-bottom:1px solid var(--line);
    padding:6px var(--gutter) 22px;
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
    z-index:65;
    max-height:calc(100vh - 52px);overflow-y:auto;
  }
  .nav[data-open]{opacity:1;visibility:visible;transform:none}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__link{
    display:flex;width:100%;
    padding:14px 4px;
    font-size:15px;letter-spacing:.06em;
    border-bottom:1px solid var(--line);
  }
  .nav__link::after{left:4px;right:auto;width:26px;bottom:0}
  .nav__item:last-child .nav__link{border-bottom:0}
  .btn{padding:8px 14px;font-size:10px;letter-spacing:.14em}
  .site-foot__inner{grid-template-columns:1fr 1fr 1fr}
  .foot-brand{grid-column:1 / -1}
  .col-3,.col-4,.col-6,.col-8{grid-column:span 6}
}
@media (max-width:640px){
  body{font-size:15px}
  .cmd-bar__actions{gap:8px}
  .site-foot__inner{grid-template-columns:1fr 1fr}
  .site-foot__base{font-size:10px;letter-spacing:.06em}
  .col-3,.col-4,.col-6,.col-8,.col-12{grid-column:1 / -1}
  .palette{padding-top:40px}
  .palette__panel{padding:16px}
}
@media (max-width:440px){
  .brand__name{font-size:15px;letter-spacing:.1em}
  .cmd-bar__actions .btn{display:none}
  .site-foot__inner{grid-template-columns:1fr}
}

/* ---------- 18. 动效降级 ---------- */
@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;
  }
}