/* =========================================================================
   澳门沙金玩家 · 共享样式表  /assets/site.css
   深墨蓝夜色底 / 纸白章节 / 沙金装订线 —— 版本档案册
   ========================================================================= */

/* ---------- 1. 令牌 ---------- */
:root{
  --ink:#0E1B2A;
  --ink-deep:#08111C;
  --ink-lift:#101F31;
  --gold:#C9A227;
  --gold-hi:#E8C766;
  --ochre:#B4552D;
  --slate:#5D7A8A;
  --paper:#F4EDE0;
  --paper-line:#D9CFBC;
  --body-text:#C8CED6;
  --green:#4F7A5B;

  --line:rgba(201,162,39,.24);
  --line-cool:rgba(93,122,138,.30);

  --rail-w:256px;
  --shell:1120px;
  --measure:34em;

  --r-card:22px 22px 22px 8px;
  --r-btn:8px 20px 20px 20px;
  --shadow:0 24px 52px -34px rgba(3,8,15,.9);
  --ease:cubic-bezier(.22,.61,.36,1);

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

/* ---------- 2. 归零与中文排版 ---------- */
*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth;}
}

body{
  margin:0;
  background:var(--ink);
  color:var(--body-text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  word-break:break-word;
  overflow-wrap:anywhere;
}

body.nav-locked{overflow:hidden;}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(244,237,224,.026) 0 1px,transparent 1px 3px),
    radial-gradient(120% 70% at 88% -10%,rgba(201,162,39,.13),transparent 58%),
    radial-gradient(90% 62% at 4% 108%,rgba(180,85,45,.11),transparent 62%);
}

main,.site-foot{position:relative;z-index:1;}

h1,h2,h3,h4{
  margin:0 0 .62em;
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.24;
  letter-spacing:.012em;
  color:var(--paper);
}
h1{font-size:clamp(2.4rem,7vw,5.25rem);line-height:1.06;}
h2{font-size:clamp(1.6rem,3.4vw,2.25rem);}
h3{font-size:1.25rem;}
h4{font-size:1.05rem;}

p{margin:0 0 1.15em;}

a{color:inherit;}

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

ul,ol{margin:0;padding:0;list-style:none;}

button{font:inherit;color:inherit;}

:focus-visible{
  outline:2px solid var(--gold-hi);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- 3. 跳过链接 ---------- */
.skip-link{
  position:fixed;
  left:14px;
  top:-140px;
  z-index:120;
  display:inline-block;
  padding:.62em 1.15em;
  background:var(--gold);
  color:var(--ink-deep);
  font-size:14px;
  font-weight:700;
  letter-spacing:.08em;
  text-decoration:none;
  border-radius:var(--r-btn);
  transition:top .22s var(--ease);
}
.skip-link:focus{top:14px;}

/* ---------- 4. 侧边轨道页头 ---------- */
.site-rail{
  position:sticky;
  top:0;
  z-index:80;
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 18px;
  background:linear-gradient(180deg,#0B1624,#08111C);
  border-bottom:1px solid var(--line);
}

/* 品牌 */
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  margin-right:auto;
  text-decoration:none;
  color:var(--paper);
}
.brand-mark{
  flex:none;
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  font-family:var(--font-display);
  font-weight:700;
  font-size:19px;
  line-height:1;
  color:var(--gold-hi);
  background:linear-gradient(150deg,rgba(201,162,39,.22),rgba(180,85,45,.16));
  border:1px solid rgba(201,162,39,.52);
  border-radius:13px 13px 13px 3px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.brand-name{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:700;
  letter-spacing:.07em;
  color:var(--paper);
  white-space:nowrap;
}
.brand-tagline{
  display:none;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.22em;
  color:var(--slate);
}
@media (min-width:560px){.brand-tagline{display:block;}}

/* 抽屉按钮 */
.nav-toggle{
  flex:none;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 14px;
  background:rgba(201,162,39,.06);
  border:1px solid rgba(201,162,39,.42);
  border-radius:var(--r-btn);
  color:var(--gold-hi);
  font-size:14px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(201,162,39,.16);}
.nav-toggle-bars{
  position:relative;
  width:15px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:background-color .2s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:15px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .24s var(--ease),top .24s var(--ease);
}
.nav-toggle-bars::before{top:-5px;}
.nav-toggle-bars::after{top:5px;}
.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);}

/* 导航（移动端 = 抽屉） */
.rail-nav{
  position:fixed;
  inset:0 auto 0 0;
  z-index:90;
  width:min(86vw,330px);
  display:flex;
  flex-direction:column;
  padding:86px 24px 30px;
  background:linear-gradient(200deg,#101F31,#08111C 72%);
  border-right:1px solid rgba(201,162,39,.34);
  box-shadow:30px 0 70px -34px rgba(0,0,0,.92);
  transform:translateX(-104%);
  visibility:hidden;
  overflow-y:auto;
  transition:transform .34s var(--ease),visibility .34s linear;
}
.site-rail[data-open] .rail-nav{
  transform:translateX(0);
  visibility:visible;
}

.rail-thread{display:none;}

.rail-list{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.rail-list li{position:relative;}
.rail-list a{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:13px;
  padding:11px 14px;
  color:var(--body-text);
  font-size:16px;
  text-decoration:none;
  border-left:2px solid transparent;
  border-radius:4px 14px 14px 4px;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.rail-list a:hover{
  background:rgba(244,237,224,.06);
  color:var(--paper);
}
.rail-list a[aria-current="page"]{
  color:var(--gold-hi);
  background:linear-gradient(90deg,rgba(201,162,39,.17),rgba(201,162,39,0));
  border-left-color:var(--gold);
}
.rail-num{
  flex:none;
  min-width:1.7em;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--slate);
  transition:color .2s var(--ease);
}
.rail-list a[aria-current="page"] .rail-num{color:var(--gold);}
.rail-label{flex:1 1 auto;}

.rail-foot{
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid var(--line-cool);
  display:flex;
  flex-direction:column;
  gap:12px;
}
.rail-meta{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--slate);
}

/* 桌面端：书脊 */
@media (min-width:1024px){
  body{padding-left:var(--rail-w);}

  .site-rail{
    position:fixed;
    inset:0 auto 0 0;
    width:var(--rail-w);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:40px 28px 30px;
    border-bottom:0;
    border-right:1px solid var(--line);
    background:linear-gradient(178deg,var(--ink-lift) 0%,var(--ink) 36%,var(--ink-deep) 100%);
    overflow-y:auto;
  }

  .brand{margin:0 0 38px;}
  .brand-name{font-size:20px;}

  .nav-toggle{display:none;}

  .rail-nav{
    position:relative;
    inset:auto;
    transform:none;
    visibility:visible;
    width:auto;
    flex:1 1 auto;
    padding:0;
    background:none;
    border:0;
    box-shadow:none;
    overflow:visible;
  }

  .rail-thread{
    display:block;
    position:absolute;
    left:0;
    top:10px;
    bottom:10px;
    width:1px;
    background:rgba(201,162,39,.20);
  }
  .rail-thread-fill{
    position:absolute;
    left:0;
    top:0;
    width:1px;
    height:100%;
    background:linear-gradient(180deg,var(--gold-hi),var(--gold));
    transform-origin:top center;
    transform:scaleY(0);
    box-shadow:0 0 12px rgba(201,162,39,.65);
  }

  .rail-list{padding-left:20px;gap:1px;}
  .rail-list a{padding:10px 12px;font-size:15.5px;}
  .rail-list a[aria-current="page"]::before{
    content:"";
    position:absolute;
    left:-23px;
    top:50%;
    width:7px;
    height:7px;
    margin-top:-4px;
    border-radius:50%;
    background:var(--gold-hi);
    box-shadow:0 0 0 3px rgba(201,162,39,.2);
  }

  .rail-foot{margin-top:auto;padding-top:24px;}
  .rail-foot .btn{width:100%;}
}

/* ---------- 5. 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.74em 1.3em;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  line-height:1.35;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),
             border-color .22s var(--ease),transform .18s var(--ease);
}
.btn:active{transform:translateY(1px);}

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

.btn--ghost{
  background:transparent;
  color:var(--gold-hi);
  border-color:rgba(201,162,39,.5);
}
.btn--ghost:hover{background:rgba(201,162,39,.13);border-color:var(--gold);}

.btn--paper{
  background:var(--paper);
  color:var(--ink-deep);
  border-color:var(--paper);
}
.btn--paper:hover{background:#FFFDF7;}

/* ---------- 6. 内容外壳与通用组件 ---------- */
.shell{
  width:min(100% - 40px,var(--shell));
  margin-inline:auto;
}

.prose{max-width:var(--measure);}

.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.03em;
}

.eyebrow{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.26em;
  color:var(--gold);
}

.rule{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,rgba(201,162,39,.6),rgba(201,162,39,0));
}

.card{
  padding:26px 26px 24px;
  background:linear-gradient(158deg,rgba(244,237,224,.06),rgba(244,237,224,.018));
  border:1px solid rgba(217,207,188,.16);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
}
.card--paper{
  background:var(--paper);
  border-color:var(--paper-line);
  color:#2C3A47;
}
.card--paper h2,
.card--paper h3,
.card--paper h4{color:var(--ink);}
.card--paper .mono{color:#41525F;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:.42em;
  padding:.24em .74em;
  border:1px solid rgba(93,122,138,.5);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--slate);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.tag--gold{border-color:rgba(201,162,39,.6);color:var(--gold-hi);background:rgba(201,162,39,.09);}
.tag--warn{border-color:rgba(180,85,45,.68);color:#E08A62;background:rgba(180,85,45,.13);}
.tag--ok{border-color:rgba(79,122,91,.72);color:#93BCA0;background:rgba(79,122,91,.16);}

.breadcrumb{
  margin:0 0 26px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--slate);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{
  content:"/";
  color:rgba(93,122,138,.62);
}
.breadcrumb a{
  color:var(--slate);
  text-decoration:none;
  transition:color .2s var(--ease);
}
.breadcrumb a:hover{color:var(--gold-hi);}
.breadcrumb [aria-current="page"]{color:var(--paper);}

.grid{display:grid;gap:22px;grid-template-columns:1fr;}
@media (min-width:720px){
  .grid--2,
  .grid--3{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1080px){
  .grid--3{grid-template-columns:repeat(3,1fr);}
}

/* 图片容器（页面阶段放 <img>） */
.figure{
  position:relative;
  margin:0;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid rgba(217,207,188,.18);
  border-radius:var(--r-card);
  background:linear-gradient(140deg,rgba(93,122,138,.25),rgba(201,162,39,.10) 58%,rgba(180,85,45,.17));
}
.figure img{width:100%;height:100%;object-fit:cover;}
.figure--wide{aspect-ratio:21 / 9;}
.figure--portrait{aspect-ratio:3 / 4;}
.figure__caption{
  display:block;
  padding:12px 2px 0;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--slate);
}

/* 折叠内容组 */
.disclosure{
  overflow:hidden;
  border:1px solid rgba(217,207,188,.16);
  border-radius:var(--r-card);
  background:rgba(244,237,224,.03);
}
.disclosure + .disclosure{margin-top:12px;}
.disclosure summary{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:18px 22px;
  font-family:var(--font-display);
  font-size:18px;
  color:var(--paper);
  cursor:pointer;
  list-style:none;
}
.disclosure summary::-webkit-details-marker{display:none;}
.disclosure summary::before{
  content:"＋";
  flex:none;
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--gold);
}
.disclosure[open] summary::before{content:"－";}
.disclosure__body{
  max-width:var(--measure);
  padding:0 22px 20px;
  color:var(--body-text);
}

/* 滚动显现 */
.has-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.has-js [data-reveal].is-revealed{
  opacity:1;
  transform:none;
}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:20px;
  bottom:22px;
  z-index:70;
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  font-size:17px;
  line-height:1;
  color:var(--gold-hi);
  background:rgba(8,17,28,.92);
  border:1px solid rgba(201,162,39,.55);
  border-radius:50% 50% 50% 12px;
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease),background-color .25s var(--ease);
}
.to-top[data-visible]{opacity:1;pointer-events:auto;}
.to-top:hover{background:rgba(201,162,39,.2);}

/* ---------- 7. 页脚 ---------- */
.site-foot{
  position:relative;
  padding:60px 22px 0;
  background:linear-gradient(180deg,#0B1624,var(--ink-deep) 56%);
  border-top:1px solid var(--line);
  color:var(--body-text);
}
.site-foot::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:-1px;
  height:2px;
  background:linear-gradient(90deg,transparent,rgba(201,162,39,.8) 16%,rgba(201,162,39,.22) 62%,transparent);
}

.foot-inner{
  max-width:var(--shell);
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr;
  gap:38px;
  padding-bottom:48px;
}

.foot-name{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-size:24px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--paper);
}
.foot-tag{
  margin:0 0 18px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.22em;
  color:var(--gold);
}
.foot-closing{
  max-width:22em;
  margin:0 0 24px;
  padding-left:14px;
  border-left:2px solid var(--ochre);
  font-size:16px;
  color:var(--paper);
}

.foot-contact{
  display:flex;
  flex-direction:column;
  gap:9px;
}
.foot-contact li{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:2px 12px;
  font-size:13.5px;
  line-height:1.72;
  color:var(--slate);
}
.foot-key{
  flex:none;
  min-width:3.6em;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--gold);
}
.foot-contact .mono{color:var(--body-text);font-size:14px;}

.foot-col-title{
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.26em;
  color:var(--paper);
}
.foot-list{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.foot-list a{
  display:inline-block;
  font-size:15px;
  color:var(--body-text);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.foot-list a:hover{
  color:var(--gold-hi);
  border-bottom-color:var(--gold);
}

.foot-bar{
  max-width:var(--shell);
  margin:0 auto;
  padding:20px 0 34px;
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:8px 22px;
  border-top:1px solid rgba(93,122,138,.26);
  font-size:13px;
  color:var(--slate);
}
.foot-bar p{margin:0;}
.foot-icp{font-family:var(--font-mono);letter-spacing:.06em;}
.foot-copy{letter-spacing:.03em;}

@media (min-width:640px){
  .foot-inner{
    grid-template-columns:repeat(2,1fr);
    gap:34px 30px;
  }
  .foot-brand{grid-column:1 / -1;}
}

@media (min-width:1024px){
  .site-foot{padding:72px 34px 0;}
  .foot-inner{
    grid-template-columns:1.5fr .85fr .85fr .85fr;
    gap:46px;
    padding-bottom:56px;
  }
  .foot-brand{grid-column:auto;}
}

/* ---------- 8. 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .has-js [data-reveal]{
    opacity:1;
    transform:none;
  }
  .rail-nav{transition:none;}
  .site-rail[data-open] .rail-nav{transform:translateX(0);}
}