/* ===== 金鼎娱乐会馆 · 共享外壳样式 /assets/site.css ===== */

:root{
  --ink:#0D0A07;
  --panel:#1B1511;
  --paper:#F3E7CE;
  --gold:#C08A2E;
  --butter:#F2BE55;
  --mineral:#2C7C77;
  --mineral-light:#7FC3BE;
  --cinnabar:#A93A2B;
  --cinnabar-light:#E08472;
  --stone:#9C8B74;
  --text:#EFE4D0;
  --gold-grad:linear-gradient(100deg,#8A5F1C 0%,#F2BE55 52%,#C08A2E 100%);
  --line:rgba(192,138,46,.42);
  --line-soft:rgba(192,138,46,.2);
  --rail:220px;
  --gutter:64px;
  --font-serif:"Songti SC","Noto Serif SC","Source Han Serif SC","SimSun",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-card:0 24px 48px -34px rgba(0,0,0,.92),0 1px 0 rgba(242,190,85,.14);
}

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

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

body{
  margin:0;
  padding-left:0;
  background:
    radial-gradient(120% 85% at 84% -12%,rgba(192,138,46,.11),transparent 58%),
    radial-gradient(75% 60% at -5% 102%,rgba(44,124,119,.11),transparent 62%),
    var(--ink);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body.nav-open{overflow:hidden}

body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{list-style:none;padding:0}

img,svg{max-width:100%;display:block}

a{
  color:var(--butter);
  text-decoration-thickness:1px;
  text-underline-offset:.24em;
}

a:hover{color:#FFD98A}

button{font:inherit;color:inherit}

h1,h2,h3,h4{
  font-family:var(--font-serif);
  font-weight:700;
  line-height:1.26;
  letter-spacing:.01em;
  color:#F7EEDD;
}

h1{font-size:clamp(38px,5.4vw,68px);line-height:1.14}
h2{font-size:clamp(26px,3.2vw,34px)}
h3{font-size:clamp(20px,2.1vw,24px)}
h4{font-size:18px}

p{line-height:1.85}

:focus-visible{
  outline:2px solid var(--butter);
  outline-offset:3px;
}

#main-content{scroll-margin-top:80px}

.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;
  top:-72px;
  left:12px;
  z-index:200;
  padding:10px 18px;
  background:var(--paper);
  color:#1B1511;
  font-family:var(--font-sans);
  font-size:14px;
  letter-spacing:.04em;
  text-decoration:none;
  border:1px solid var(--gold);
  transition:top .25s var(--ease);
}
.skip-link:focus{top:12px;color:#1B1511}

/* ---------- header：桌面固定竖栏 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--rail);
  z-index:70;
  background:linear-gradient(180deg,#14100C 0%,#0D0A07 62%,#100C08 100%);
  border-right:1px solid var(--line);
  box-shadow:1px 0 0 rgba(0,0,0,.65);
}

.header-frame{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:26px 18px 22px;
  gap:20px;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(192,138,46,.4) transparent;
}

.brand{
  position:relative;
  display:grid;
  gap:8px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line-soft);
}

.brand__mark{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  font-family:var(--font-serif);
  font-size:27px;
  font-weight:700;
  letter-spacing:.12em;
  line-height:1.2;
  color:#F7EEDD;
  text-decoration:none;
}
.brand__mark:hover{color:#FFE6A8}

.brand__mark-sub{
  font-size:14px;
  font-weight:400;
  letter-spacing:.3em;
  color:var(--gold);
}

.brand__line{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  color:var(--stone);
  line-height:1.7;
  word-break:break-word;
}

.brand__tag{
  font-size:13px;
  line-height:1.7;
  color:rgba(239,228,208,.7);
}

/* 移动目录按钮 */
.nav-toggle{display:none}

/* 导航 */
.site-nav{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  min-height:0;
}

.site-nav__caption{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.24em;
  color:var(--gold);
  margin-bottom:10px;
}

.site-nav__list{display:grid;gap:2px}

.site-nav__list a{
  position:relative;
  display:grid;
  grid-template-columns:2.1em 1fr;
  align-items:baseline;
  gap:8px;
  padding:8px 8px 8px 12px;
  border-left:1px solid rgba(192,138,46,.24);
  color:rgba(239,228,208,.9);
  font-size:15px;
  text-decoration:none;
  transition:color .28s var(--ease),border-color .28s var(--ease),background-color .28s var(--ease);
}

.site-nav__num{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--stone);
}

.site-nav__label{font-size:15px;letter-spacing:.04em}

.site-nav__list a:hover,
.site-nav__list a:focus-visible{
  color:var(--butter);
  border-left-color:var(--butter);
  background:rgba(192,138,46,.08);
}
.site-nav__list a:hover .site-nav__num,
.site-nav__list a:focus-visible .site-nav__num{color:var(--butter)}

.site-nav__list a[aria-current="page"]{
  color:var(--butter);
  border-left-color:var(--butter);
  background:linear-gradient(90deg,rgba(242,190,85,.15),rgba(242,190,85,0));
}
.site-nav__list a[aria-current="page"] .site-nav__num{color:var(--butter)}
.site-nav__list a[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:-3px;
  top:17px;
  width:5px;
  height:5px;
  background:var(--butter);
  transform:rotate(45deg);
  box-shadow:0 0 10px rgba(242,190,85,.85);
}

.site-nav__quick{
  margin-top:20px;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
}

.site-nav__quick-list{display:grid;gap:2px}

.site-nav__quick-list a{
  display:block;
  padding:5px 0;
  font-size:13px;
  line-height:1.6;
  color:var(--stone);
  text-decoration:none;
  border-bottom:1px dotted rgba(156,139,116,.28);
  transition:color .28s var(--ease),border-color .28s var(--ease);
}
.site-nav__quick-list a:hover,
.site-nav__quick-list a:focus-visible{
  color:var(--butter);
  border-bottom-color:rgba(242,190,85,.6);
}

.site-nav__cta{margin-top:auto;padding-top:18px}
.site-nav__cta .btn{width:100%}

/* 竖栏底部备案 */
.header-meta{
  display:flex;
  align-items:center;
  gap:10px;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
}

.header-meta__seal{
  display:inline-grid;
  place-items:center;
  flex:none;
  width:26px;
  height:26px;
  font-family:var(--font-serif);
  font-size:14px;
  color:var(--butter);
  border:1px solid rgba(242,190,85,.6);
  background:rgba(169,58,43,.2);
}

.header-meta__text{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.03em;
  line-height:1.6;
  color:var(--stone);
}

/* 滚动进度金线 */
.scroll-rail{
  position:absolute;
  left:0;right:-1px;bottom:0;
  height:2px;
  background:rgba(192,138,46,.16);
  overflow:hidden;
  z-index:2;
}
.scroll-rail > span{
  display:block;
  height:100%;
  width:0;
  background:var(--gold-grad);
  transition:width .1s linear;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid var(--gold);
  background:transparent;
  color:var(--butter);
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:500;
  letter-spacing:.05em;
  line-height:1.5;
  text-decoration:none;
  cursor:pointer;
  transition:color .28s var(--ease),border-color .28s var(--ease),background-color .28s var(--ease),filter .28s var(--ease);
}
.btn:hover,
.btn:focus-visible{
  border-color:var(--butter);
  color:#1B1511;
  background:var(--gold-grad);
}

.btn--gold{
  background:var(--gold-grad);
  border-color:var(--butter);
  color:#160F07;
  font-weight:600;
}
.btn--gold:hover,
.btn--gold:focus-visible{
  color:#160F07;
  filter:brightness(1.08);
}

.btn--ghost{
  color:var(--text);
  border-color:rgba(192,138,46,.5);
}

.btn--sm{font-size:13px;padding:7px 14px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:104px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(27,21,17,.8),rgba(13,10,7,.98));
  padding:64px 0 30px;
}

.footer-frame{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding:0 var(--gutter);
  display:grid;
  grid-template-columns:1.15fr 1.55fr 1fr;
  gap:48px;
  align-items:start;
}

.footer-brand{display:grid;gap:10px;align-content:start}

.footer-brand__mark{
  font-family:var(--font-serif);
  font-size:24px;
  font-weight:700;
  letter-spacing:.14em;
  color:#F7EEDD;
}

.footer-brand__summary{
  font-size:14px;
  line-height:1.8;
  color:rgba(239,228,208,.7);
  max-width:30ch;
}

.footer-brand__note{
  font-size:13px;
  line-height:1.8;
  color:var(--stone);
  padding-left:12px;
  border-left:1px solid var(--line-soft);
}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}

.footer-col{min-width:0}

.footer-col__title{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.22em;
  color:var(--gold);
  margin-bottom:12px;
}

.footer-col__list{display:grid;gap:8px}

.footer-col__list a{
  font-size:14px;
  color:rgba(239,228,208,.82);
  text-decoration:none;
  transition:color .28s var(--ease);
}
.footer-col__list a:hover,
.footer-col__list a:focus-visible{color:var(--butter)}

.footer-contact{
  display:grid;
  gap:10px;
  align-content:start;
  font-size:13px;
  min-width:0;
}

.footer-contact__row{display:grid;gap:2px;line-height:1.6}

.footer-contact__label{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--stone);
}

.footer-contact__value{
  font-size:13px;
  color:rgba(239,228,208,.9);
  word-break:break-word;
}

.copy-btn{
  justify-self:start;
  padding:6px 13px;
  font-family:var(--font-sans);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--butter);
  background:rgba(192,138,46,.12);
  border:1px solid var(--line);
  cursor:pointer;
  transition:color .28s var(--ease),background-color .28s var(--ease),border-color .28s var(--ease);
}
.copy-btn:hover,
.copy-btn:focus-visible{
  border-color:var(--butter);
  background:rgba(192,138,46,.24);
}
.copy-btn.is-copied{
  color:#160F07;
  background:var(--gold-grad);
  border-color:var(--butter);
}

.copy-note{
  min-height:1em;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--butter);
}

.footer-legal{
  max-width:1320px;
  margin:44px auto 0;
  padding:18px var(--gutter) 0;
  border-top:1px solid var(--line-soft);
  display:flex;
  flex-wrap:wrap;
  gap:6px 28px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.03em;
  color:var(--stone);
}

.footer-legal__item{margin:0;line-height:1.8}

.footer-legal a{
  color:var(--stone);
  text-decoration:none;
  border-bottom:1px solid rgba(156,139,116,.4);
}
.footer-legal a:hover,
.footer-legal a:focus-visible{
  color:var(--butter);
  border-bottom-color:var(--butter);
}

/* ---------- 容器与栅格 ---------- */
.shell{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding:0 var(--gutter);
}
.shell--narrow{max-width:880px}

.frame{
  position:relative;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(27,21,17,.6),rgba(13,10,7,.35));
  padding:clamp(24px,4vw,56px);
  box-shadow:var(--shadow-card);
}

.frame--paper{
  background:var(--paper);
  border-color:rgba(27,21,17,.22);
  color:#1B1511;
}
.frame--paper h2,
.frame--paper h3,
.frame--paper h4{color:#1B1511}
.frame--paper a{color:#8A5F1C}
.frame--paper .ledger{color:#8A5F1C}

.grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- 章节大编号 ---------- */
.chapter{
  display:flex;
  align-items:flex-start;
  gap:18px;
  margin-bottom:22px;
}

.chapter__num{
  flex:none;
  font-family:var(--font-mono);
  font-size:clamp(40px,6.4vw,92px);
  font-weight:700;
  line-height:.82;
  letter-spacing:-.02em;
  color:transparent;
  -webkit-text-stroke:1px rgba(192,138,46,.8);
}

.chapter__title{display:grid;gap:6px;padding-top:4px;min-width:0}

.chapter__kicker{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  color:var(--gold);
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:16px 0 0}

.crumbs__list{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--stone);
}

.crumbs__list a{color:var(--stone);text-decoration:none}
.crumbs__list a:hover,
.crumbs__list a:focus-visible{color:var(--butter)}

.crumbs__list li::after{
  content:"/";
  margin-left:6px;
  color:rgba(156,139,116,.5);
}
.crumbs__list li:last-child::after{content:none}

/* ---------- 数字、标签、分隔 ---------- */
.ledger{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:1.25em;
  letter-spacing:.04em;
  color:var(--butter);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:2px 9px;
  font-family:var(--font-mono);
  font-size:14px;
  line-height:1.6;
  letter-spacing:.04em;
  border:1px solid currentColor;
  color:var(--stone);
}
.tag--gold{color:var(--butter);background:rgba(242,190,85,.1);border-color:rgba(242,190,85,.55)}
.tag--rule{color:var(--mineral-light);background:rgba(44,124,119,.14);border-color:rgba(44,124,119,.8)}
.tag--warn{color:var(--cinnabar-light);background:rgba(169,58,43,.16);border-color:rgba(169,58,43,.85)}

.rule-line{
  height:1px;
  border:0;
  margin:28px 0;
  background:linear-gradient(90deg,var(--line),rgba(192,138,46,.06));
}

/* ---------- 奶油纸资料卡 ---------- */
.paper{
  background:var(--paper);
  color:#1B1511;
  border:1px solid rgba(27,21,17,.18);
  box-shadow:var(--shadow-card);
  padding:22px 22px 24px;
}
.paper a{color:#8A5F1C}

/* ---------- 折叠面板 ---------- */
.fold{
  border:1px solid var(--line-soft);
  background:rgba(27,21,17,.62);
}
.fold + .fold{margin-top:-1px}

.fold__head{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:15px 18px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  color:var(--text);
  transition:color .28s var(--ease),background-color .28s var(--ease);
}
.fold__head::-webkit-details-marker{display:none}
.fold__head::after{
  content:"＋";
  margin-left:auto;
  font-family:var(--font-mono);
  color:var(--gold);
}
.fold[open] > .fold__head{
  color:var(--butter);
  border-bottom:1px solid var(--line-soft);
  background:rgba(192,138,46,.06);
}
.fold[open] > .fold__head::after{content:"－";color:var(--butter)}

.fold__body{
  padding:16px 18px 18px;
  font-size:16px;
  line-height:1.85;
  color:rgba(239,228,208,.86);
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:14px 0;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}

.filter-chip{
  padding:6px 14px;
  font-family:var(--font-sans);
  font-size:14px;
  letter-spacing:.04em;
  color:var(--stone);
  background:transparent;
  border:1px solid var(--line);
  cursor:pointer;
  transition:color .28s var(--ease),border-color .28s var(--ease),background-color .28s var(--ease);
}
.filter-chip:hover,
.filter-chip:focus-visible{border-color:var(--butter);color:var(--butter)}
.filter-chip[aria-pressed="true"]{
  color:var(--butter);
  border-color:var(--butter);
  background:rgba(242,190,85,.12);
}

[data-filter-status]{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--stone);
}

[data-filter-item][hidden]{display:none !important}

/* ---------- 图片容器 ---------- */
.figure{
  position:relative;
  margin:0;
  border:1px solid var(--line);
  background:#120E0A;
  overflow:hidden;
}

.figure__media{
  position:relative;
  width:100%;
  aspect-ratio:3/4;
  background:linear-gradient(165deg,#2A2016 0%,#150F0A 55%,#0D0A07 100%);
}

.figure__media > img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.figure__media::after{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(242,190,85,.22);
  pointer-events:none;
}

.figure--wide .figure__media{aspect-ratio:16/9}
.figure--square .figure__media{aspect-ratio:1/1}
.figure--portrait .figure__media{aspect-ratio:3/4}

.figure__cap{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:9px 13px;
  border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.05em;
  color:var(--stone);
}

/* ---------- 进入显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
[data-reveal].is-in{
  opacity:1;
  transform:none;
}

/* ---------- 平板 ---------- */
@media (max-width:1199px){
  :root{--gutter:40px}
  .footer-frame{grid-template-columns:1fr 1.4fr;gap:36px}
  .footer-contact{grid-column:1 / -1}
}

/* ---------- 移动 / 平板：头部转横条 ---------- */
@media (max-width:1023px){
  :root{--gutter:32px}

  body{padding-left:0}

  .skip-link:focus{top:10px}

  .site-header{
    position:sticky;
    top:0;left:0;bottom:auto;
    width:100%;
    border-right:0;
    border-bottom:1px solid var(--line);
    background:rgba(13,10,7,.97);
    backdrop-filter:blur(10px);
  }

  .header-frame{
    flex-direction:row;
    align-items:center;
    gap:12px;
    height:60px;
    padding:0 16px;
    overflow:visible;
  }

  .brand{
    flex:1 1 auto;
    display:flex;
    align-items:center;
    gap:8px;
    min-width:0;
    padding:0;
    border-bottom:0;
  }

  .brand__mark{font-size:20px;letter-spacing:.08em}
  .brand__mark-sub{font-size:11px;letter-spacing:.2em}
  .brand__line,
  .brand__tag{display:none}

  .nav-toggle{
    display:inline-flex;
    align-items:center;
    gap:8px;
    flex:none;
    padding:8px 12px;
    background:rgba(27,21,17,.9);
    color:var(--butter);
    border:1px solid var(--line);
    font-family:var(--font-sans);
    font-size:13px;
    letter-spacing:.12em;
    cursor:pointer;
    transition:color .28s var(--ease),background-color .28s var(--ease),border-color .28s var(--ease);
  }
  .nav-toggle__bars{display:grid;gap:3px;width:16px}
  .nav-toggle__bars i{display:block;height:1px;background:currentColor}

  .site-header[data-open] .nav-toggle{
    color:#160F07;
    background:var(--gold-grad);
    border-color:var(--butter);
  }

  .site-nav{
    position:fixed;
    inset:60px 0 0;
    display:none;
    flex-direction:column;
    padding:22px 20px 44px;
    background:#0D0A07;
    border-top:1px solid var(--line-soft);
    overflow-y:auto;
    z-index:65;
  }

  .site-header[data-open] .site-nav{display:flex}

  .site-nav__list a{padding:12px 10px 12px 14px;font-size:16px}
  .site-nav__list a[aria-current="page"]::before{top:22px}
  .site-nav__label{font-size:16px}
  .site-nav__quick-list a{font-size:14px;padding:8px 0}
  .site-nav__cta{margin-top:22px;padding-top:0}

  .header-meta{display:none}

  .scroll-rail{left:0;right:0;bottom:-1px}

  .site-footer{margin-top:72px;padding:48px 0 24px}
  .footer-frame{grid-template-columns:1fr;gap:32px}
  .footer-cols{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-legal{margin-top:32px;padding-top:16px}

  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 12}
}

/* ---------- 小屏 ---------- */
@media (max-width:719px){
  :root{--gutter:18px}

  body{font-size:16px}

  .footer-cols{grid-template-columns:1fr 1fr;gap:22px}
  .footer-brand__summary{max-width:none}
  .chapter{gap:12px}
  .chapter__num{font-size:48px}
  .filter-chip{font-size:13.5px;padding:6px 11px}
  [data-filter-status]{margin-left:0;width:100%}
  .crumbs__list{font-size:11.5px}
}

/* ---------- 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}
  .scroll-rail > span{transition:none}
}