/* ===========================================================
   银河澳门 · Galaxy Macau — 共享样式 /assets/site.css
   深空底 · 框架式导航 · 纸张叠层 · 编号章节
   =========================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --void:#070B1A;
  --deep-blue:#0E1A3C;
  --purple:#5B3FA8;
  --pink:#FF7BC1;
  --cyan:#35E0D0;
  --star:#F4F6FF;
  --slate:#A8B0CF;
  --entry:#4FC3F7;
  --core:#9C6BFF;
  --pro:#FF8A5C;
  --paper:#F7F3EA;
  --ink:#14162B;
  --line:rgba(168,176,207,.22);
  --line-strong:rgba(168,176,207,.44);
  --rail-w:228px;
  --tick-h:56px;
  --wrap:1200px;
  --font-head:"Archivo Narrow","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Inter","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-layer:0 18px 44px rgba(3,6,18,.55);
  --r-sm:4px;
  --r-md:10px;
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  padding-top:var(--tick-h);
  background-color:var(--void);
  background-image:
    radial-gradient(900px 620px at 88% -10%, rgba(91,63,168,.42), transparent 68%),
    radial-gradient(760px 520px at -6% 108%, rgba(53,224,208,.10), transparent 70%);
  background-attachment:fixed;
  color:var(--star);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--cyan);text-decoration:none;transition:color .2s var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:.22em}
button{font:inherit;color:inherit;background:none;border:0}
#main-content{display:block}

/* ---------- 3. 基础排版 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-head);
  margin:0 0 .55em;
  line-height:1.16;
  letter-spacing:.01em;
}
h1{font-size:clamp(38px,6.2vw,68px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,34px);font-weight:200}
h2 strong{font-weight:700}
h3{font-size:22px;font-weight:700}
h4{font-size:17px;font-weight:700;letter-spacing:.06em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
strong{font-weight:700;color:var(--star)}
.mono{font-family:var(--font-mono);font-size:.94em;letter-spacing:.02em}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 4. 焦点与动效偏好 ---------- */
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
[data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}

@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}
}

/* ---------- 5. 布局工具 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:clamp(44px,7vw,86px) 0;position:relative}
.grid{display:grid;gap:24px}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.col--7,.col--5,.col--4,.col--8{grid-column:span 12}
@media (min-width:900px){
  .col--7{grid-column:span 7}
  .col--5{grid-column:span 5}
  .col--8{grid-column:span 8}
  .col--4{grid-column:span 4}
}

/* ---------- 6. 编号章节骨架 ---------- */
.sec-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:28px;flex-wrap:wrap}
.sec-num{
  font-family:var(--font-serif);
  font-size:clamp(34px,5vw,58px);
  font-weight:700;line-height:1;color:var(--purple);
  letter-spacing:.02em;
}
.sec-head__text{display:flex;flex-direction:column;gap:6px;flex:1 1 260px}
.eyebrow{
  margin:0;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.22em;color:var(--cyan);text-transform:uppercase;
}
.lede{font-size:19px;color:var(--slate);max-width:40ch;margin:0}
.prose{max-width:40em}
.prose p{margin:0 0 1.15em}
.prose h2,.prose h3{margin-top:1.5em}
.prose ul{list-style:disc;padding-left:1.4em;margin:0 0 1.2em}
.prose ol{list-style:decimal;padding-left:1.5em;margin:0 0 1.2em}
.prose li{margin:.35em 0}

/* ---------- 7. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  transform:translateY(-180%);
  background:var(--cyan);color:#04202a;
  font-family:var(--font-head);font-weight:700;font-size:14px;letter-spacing:.04em;
  padding:10px 16px;border-radius:var(--r-sm);text-decoration:none;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 8. 共享头部 ---------- */
.site-header{position:relative;z-index:100}
.site-header::after{
  content:"";position:fixed;inset:0;z-index:104;
  background:rgba(4,7,18,.62);
  opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease);
}
.site-header[data-open]::after{opacity:1;pointer-events:auto}

/* 顶部刻度条 */
.tick-bar{
  position:fixed;top:0;left:0;right:0;z-index:110;
  height:var(--tick-h);
  display:flex;align-items:center;gap:14px;
  padding:0 16px;
  background:linear-gradient(180deg, rgba(14,26,60,.97), rgba(7,11,26,.93));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.tick-bar__scale{
  display:none;flex:0 0 auto;width:120px;height:14px;
  background-image:repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 12px);
}
.tick-bar__brand{
  flex:1 1 auto;min-width:0;
  font-family:var(--font-head);font-weight:700;font-size:15px;letter-spacing:.05em;
  color:var(--star);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.tick-bar__actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.utility-link{
  display:none;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;
  color:var(--slate);padding:6px 11px;border:1px solid var(--line);border-radius:999px;
}
.utility-link:hover{color:var(--cyan);border-color:var(--cyan);text-decoration:none}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none}
.progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--pink));
}

/* 移动开关 */
.nav-toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;cursor:pointer;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);
  font-family:var(--font-head);font-weight:700;font-size:14px;letter-spacing:.08em;
  color:var(--star);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;background:var(--cyan)}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--cyan);
  transition:transform .2s var(--ease);
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.site-header[data-open] .nav-toggle__bars{background:transparent}
.site-header[data-open] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__label{font-size:13px}

/* 左侧竖框 */
.frame-rail{
  position:fixed;left:0;z-index:105;
  top:var(--tick-h);
  height:calc(100dvh - var(--tick-h));
  width:min(320px,86vw);
  display:flex;flex-direction:column;
  padding:22px 18px 20px;
  overflow-y:auto;
  background:linear-gradient(180deg, rgba(14,26,60,.99), rgba(7,11,26,.99));
  border-right:1px solid var(--line);
  box-shadow:24px 0 60px rgba(2,4,12,.6);
  transform:translateX(-105%);
  transition:transform .26s var(--ease);
}
.site-header[data-open] .frame-rail{transform:translateX(0)}

.rail-brand{display:none;color:var(--star);text-decoration:none;padding:4px 6px 20px;border-bottom:1px solid var(--line)}
.rail-brand:hover{text-decoration:none;color:var(--star)}
.rail-brand__mark{
  display:block;width:38px;height:38px;margin-bottom:14px;border-radius:50%;
  border:1px solid var(--cyan);position:relative;
  background:radial-gradient(circle at 34% 28%, rgba(53,224,208,.55), transparent 62%);
}
.rail-brand__mark::after{
  content:"";position:absolute;left:-13px;right:-13px;top:-9px;bottom:-9px;
  border:1px solid rgba(255,123,193,.5);border-radius:50%;transform:rotate(-20deg);
}
.rail-brand__name{display:block;font-family:var(--font-head);font-weight:800;font-size:21px;letter-spacing:.06em}
.rail-brand__sub{
  display:block;margin-top:4px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;
  color:var(--slate);text-transform:uppercase;
}

.rail-nav{margin-top:18px}
.rail-nav__list{display:flex;flex-direction:column;gap:2px}
.rail-nav__item{display:block}
.rail-nav__link{
  display:flex;align-items:baseline;gap:10px;
  padding:11px 12px;
  border-left:2px solid transparent;
  color:var(--slate);
  font-family:var(--font-head);font-weight:500;font-size:16.5px;letter-spacing:.04em;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.rail-nav__link:hover{color:var(--star);background:rgba(53,224,208,.07);text-decoration:none}
.rail-nav__num{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:rgba(168,176,207,.72)}
.rail-nav__link[aria-current="page"]{
  color:var(--star);font-weight:700;
  border-left-color:var(--cyan);
  background:linear-gradient(90deg, rgba(53,224,208,.16), transparent 78%);
  box-shadow:inset 0 0 0 1px rgba(53,224,208,.2);
}
.rail-nav__link[aria-current="page"] .rail-nav__num{color:var(--cyan)}

.rail-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.rail-foot__scale{
  display:block;height:18px;
  background-image:repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 9px);
}
.rail-foot__text{
  display:block;margin-top:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--slate);
}

/* ---------- 9. 共享页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:clamp(48px,8vw,96px);
  background:linear-gradient(180deg, rgba(14,26,60,.72), rgba(7,11,26,1));
  border-top:1px solid var(--line);
}
.foot-axis{
  height:22px;opacity:.85;
  border-bottom:1px solid var(--line);
  background-image:repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 24px);
}
.foot-top{
  display:grid;grid-template-columns:1fr;gap:34px;
  padding-top:clamp(34px,5vw,56px);padding-bottom:clamp(30px,4vw,46px);
}
.foot-brand__mark{
  display:block;width:30px;height:30px;margin-bottom:14px;
  border-radius:50%;border:1px solid var(--pink);position:relative;
}
.foot-brand__mark::after{
  content:"";position:absolute;left:-12px;right:-12px;top:-8px;bottom:-8px;
  border:1px solid rgba(53,224,208,.45);border-radius:50%;transform:rotate(-20deg);
}
.foot-brand__name{margin:0;font-family:var(--font-head);font-weight:800;font-size:24px;letter-spacing:.06em}
.foot-brand__sub{
  margin:6px 0 0;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.16em;color:var(--slate);text-transform:uppercase;
}
.foot-brand__note{margin:14px 0 0;font-size:15px;color:var(--slate);max-width:30em}

.foot-grid{display:grid;grid-template-columns:1fr;gap:26px}
.foot-col__title{
  margin:0 0 12px;padding-bottom:8px;
  font-family:var(--font-head);font-weight:700;font-size:15px;letter-spacing:.1em;
  color:var(--star);border-bottom:1px solid var(--line);
}
.foot-col__list{display:flex;flex-direction:column;gap:8px}
.foot-link{color:var(--slate);font-size:15px}
.foot-link:hover{color:var(--cyan);text-decoration:none}
.foot-contact{display:flex;flex-direction:column;gap:9px}
.foot-contact__row{display:flex;gap:10px;align-items:baseline;font-size:14.5px;color:var(--slate)}
.foot-contact__key{
  flex:0 0 auto;min-width:42px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:rgba(168,176,207,.72);
}
.foot-contact__val{color:var(--star);word-break:break-word}
.foot-note{
  margin:0;padding:0 0 18px;
  font-size:13.5px;color:rgba(168,176,207,.85);max-width:64em;
}
.foot-legal{
  display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;
  padding:20px 0 34px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--slate);
}
.foot-legal__copy{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em}
.foot-legal__links{display:flex;flex-wrap:wrap;gap:12px 18px}
.foot-legal__links a{color:var(--star)}
.foot-legal__links a:hover{color:var(--cyan)}
.foot-legal__icp{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em}

/* ---------- 10. 通用按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 18px;border:1px solid transparent;border-radius:999px;
  font-family:var(--font-head);font-weight:700;font-size:14.5px;letter-spacing:.06em;
  cursor:pointer;text-decoration:none;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{text-decoration:none}
.btn--pulse{background:var(--cyan);color:#04202a}
.btn--pulse:hover{background:#5ef0e2}
.btn--ghost{background:transparent;color:var(--star);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--pink{background:var(--pink);color:#2a0a1c}
.btn--pink:hover{background:#ff96cf}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;border:1px solid var(--line-strong);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--slate);
}
.tag--cyan{border-color:var(--cyan);color:var(--cyan)}
.tag--pink{border-color:var(--pink);color:var(--pink)}
.tag--paper{background:var(--paper);color:var(--ink);border-color:transparent}

/* ---------- 11. 卡片与纸层 ---------- */
.card{
  padding:22px;border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(180deg, rgba(14,26,60,.9), rgba(14,26,60,.5));
}
.paper-card{
  padding:24px;border-radius:2px;
  background:var(--paper);color:var(--ink);
  box-shadow:6px 6px 0 rgba(247,243,234,.14), var(--shadow-layer);
}
.paper-card h3,.paper-card h2{color:var(--ink)}
.paper-card p{color:rgba(20,22,43,.84)}
.paper-card a{color:#3a2a86}
.paper-card a:hover{color:#1d0f5e}

/* ---------- 12. 标签页 / 分段控件 ---------- */
.tabs{display:flex;flex-direction:column;gap:20px}
.tabs__list{
  display:flex;flex-wrap:wrap;gap:8px;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.tabs__btn{
  padding:8px 14px;cursor:pointer;border:1px solid transparent;border-radius:var(--r-sm);
  font-family:var(--font-head);font-weight:700;font-size:15px;letter-spacing:.05em;
  color:var(--slate);
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.tabs__btn:hover{color:var(--star)}
.tabs__btn[aria-selected="true"]{background:var(--cyan);border-color:var(--cyan);color:#04202a}
.tabs__panel{outline:none}
.tabs__panel[hidden]{display:none}

/* ---------- 13. 媒体容器（供页面阶段放图） ---------- */
.media{margin:0}
.media__frame{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(91,63,168,.34), rgba(14,26,60,.92) 55%, rgba(53,224,208,.16));
}
.media__frame img{width:100%;height:100%;object-fit:cover}
.media__frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(90deg, rgba(244,246,255,.10) 1px, transparent 1px),
    linear-gradient(180deg, rgba(244,246,255,.08) 1px, transparent 1px);
  background-size:64px 64px;
}
.media__frame--wide{aspect-ratio:16/9}
.media__frame--square{aspect-ratio:1/1}
.media__frame--tall{aspect-ratio:4/5}
.media__caption{
  margin-top:10px;font-family:var(--font-mono);font-size:12.5px;
  letter-spacing:.04em;color:var(--slate);
}

/* ---------- 14. 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.05em;color:var(--slate);
}
.crumbs__link{color:var(--slate)}
.crumbs__link:hover{color:var(--cyan)}
.crumbs__sep{color:rgba(168,176,207,.55)}

/* ---------- 15. 响应式：平板与桌面 ---------- */
@media (min-width:560px){
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:720px){
  .tick-bar__scale{display:block}
  .utility-link{display:inline-flex}
}
@media (min-width:820px){
  .foot-top{grid-template-columns:minmax(240px,1fr) 2fr;gap:48px}
}
@media (min-width:960px){
  body{padding-left:var(--rail-w)}
  .tick-bar{left:var(--rail-w);padding:0 24px}
  .tick-bar__scale{width:200px}
  .tick-bar__brand{display:none}
  .nav-toggle{display:none}
  .site-header::after{display:none}
  .site-header .frame-rail{
    top:0;
    height:100vh;
    width:var(--rail-w);
    box-shadow:none;
    transform:none;
  }
  .rail-brand{display:block}
}
@media (min-width:1024px){
  .foot-grid{grid-template-columns:repeat(4,1fr);gap:22px}
}
@media (min-width:1280px){
  .wrap{padding:0 32px}
  .tick-bar{padding:0 32px}
}