/* ==========================================================================
   澳门MG中国站 · 共享样式表  /assets/site.css
   档案黑 + 深墨绿底 / 暗金秩序 / 霓虹青交互 / 暖橙提示
   ========================================================================== */

:root{
  --archive-black:#061410;
  --ink-green:#0C2A20;
  --panel-cyan:#0F3B3A;
  --signal-gold:#C08A2E;
  --bright-gold:#EFCF8C;
  --neon-cyan:#3BE3D2;
  --warm-orange:#F2874A;
  --paper-white:#F4EFE6;
  --mist-green:#86A79A;
  --line-bronze:#6B4A1B;

  --rail-w:268px;
  --shell-max:1180px;
  --pad-inline:clamp(20px,4vw,64px);
  --cut:16px;

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-body:"Inter","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --t-fast:160ms;
  --t-base:200ms;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  color:var(--paper-white);
  background-color:var(--archive-black);
  background-image:
    radial-gradient(920px 620px at 82% -8%, rgba(59,227,210,.075), transparent 62%),
    radial-gradient(760px 560px at 6% 106%, rgba(192,138,46,.11), transparent 66%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  margin:0 0 .6em;
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.15;
  letter-spacing:-.01em;
  text-wrap:balance;
}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.4em}
img{max-width:100%;height:auto}
button{font:inherit}
a{color:var(--neon-cyan)}
::selection{background:rgba(59,227,210,.3);color:var(--paper-white)}
[hidden]{display:none !important}

:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{
  outline:2px solid var(--neon-cyan);
  outline-offset:2px;
}

.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.mono,.timecode{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.timecode{font-size:12px;letter-spacing:.04em;color:var(--bright-gold)}
.muted{color:var(--mist-green)}
.divider{height:1px;border:0;background:rgba(107,74,27,.5);margin:clamp(24px,3vw,40px) 0}
.rule-slant{position:relative;height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--signal-gold) 0%,rgba(192,138,46,.08) 62%,transparent 100%)}
.rule-slant::after{content:"";position:absolute;right:0;top:-12px;width:64px;height:24px;background:linear-gradient(135deg,rgba(59,227,210,.22),transparent 70%);transform:skewX(-24deg);pointer-events:none}
.stack>*+*{margin-top:var(--stack-gap,16px)}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:200;
  padding:10px 18px;
  font-size:14px;font-weight:600;letter-spacing:.06em;
  color:var(--archive-black);
  background:var(--bright-gold);
  text-decoration:none;
  transform:translateY(-180%);
  clip-path:polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition:transform var(--t-fast) var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 左侧品牌轨道 / 顶部横条 ---------- */
.site-rail{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--rail-w);
  z-index:60;
  display:flex;
  flex-direction:column;
  gap:22px;
  padding:30px 22px 24px;
  background:linear-gradient(180deg, rgba(12,42,32,.97) 0%, rgba(6,20,16,.99) 78%, var(--archive-black) 100%);
  border-right:1px solid var(--line-bronze);
}
.site-rail::after{
  content:"";
  position:absolute;top:0;right:0;
  width:1px;height:36%;
  background:linear-gradient(180deg,var(--signal-gold),rgba(192,138,46,0));
  pointer-events:none;
}

.rail-brand{padding-bottom:18px;border-bottom:1px solid rgba(107,74,27,.55)}
.brand-lockup{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.brand-mark{
  flex:0 0 auto;
  display:grid;place-items:center;
  width:44px;height:44px;
  font-family:var(--font-mono);font-size:15px;font-weight:700;letter-spacing:.06em;
  color:var(--archive-black);
  background:linear-gradient(140deg,var(--bright-gold),var(--signal-gold));
  clip-path:polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.brand-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand-name{font-family:var(--font-display);font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--paper-white);white-space:nowrap;transition:color var(--t-fast) var(--ease)}
.brand-sub{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--mist-green)}
.brand-lockup:hover .brand-name{color:var(--bright-gold)}

.nav-toggle{
  display:none;
  align-items:center;gap:10px;
  padding:8px 12px;
  color:var(--paper-white);
  background:transparent;
  border:1px solid var(--line-bronze);
  cursor:pointer;
  clip-path:polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition:border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.nav-toggle:hover{border-color:var(--signal-gold);color:var(--bright-gold)}
.nav-toggle-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle-bars i{display:block;height:2px;background:var(--signal-gold);transition:transform var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease)}
.site-rail[data-open] .nav-toggle-bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-rail[data-open] .nav-toggle-bars i:nth-child(2){opacity:0}
.site-rail[data-open] .nav-toggle-bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.rail-nav{flex:1 1 auto;overflow-y:auto}
.nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.nav-item{display:block}
.nav-link{
  position:relative;
  display:flex;align-items:baseline;gap:12px;
  padding:11px 12px 11px 14px;
  font-size:15px;
  color:var(--mist-green);
  text-decoration:none;
  border-left:2px solid transparent;
  transition:color var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.nav-idx{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;font-variant-numeric:tabular-nums;color:var(--signal-gold);transition:color var(--t-fast) var(--ease)}
.nav-label{white-space:nowrap}
.nav-link:hover,.nav-link:focus-visible{
  color:var(--paper-white);
  background:linear-gradient(90deg, rgba(59,227,210,.12), rgba(59,227,210,0));
}
.nav-link:hover .nav-idx,.nav-link:focus-visible .nav-idx{color:var(--neon-cyan)}
.nav-link[aria-current="page"]{
  color:var(--bright-gold);
  font-weight:600;
  border-left-color:var(--bright-gold);
  background:linear-gradient(90deg, rgba(192,138,46,.18), rgba(192,138,46,0));
}
.nav-link[aria-current="page"] .nav-idx{color:var(--bright-gold)}

.rail-aux{
  margin:0;
  padding-top:16px;
  font-family:var(--font-mono);
  font-size:11px;line-height:1.6;letter-spacing:.08em;
  color:var(--mist-green);
  border-top:1px solid rgba(107,74,27,.55);
}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  margin-top:clamp(48px,6vw,96px);
  padding:clamp(40px,5vw,72px) 0 32px;
  background:linear-gradient(180deg,var(--ink-green) 0%, rgba(6,20,16,.98) 62%, var(--archive-black) 100%);
  border-top:1px solid var(--line-bronze);
}
.site-foot::before{
  content:"";
  position:absolute;top:-1px;left:0;
  width:min(340px,54%);height:2px;
  background:linear-gradient(90deg,var(--signal-gold),rgba(192,138,46,0));
}
.foot-inner{width:100%;max-width:var(--shell-max);margin:0 auto;padding-inline:var(--pad-inline)}
.foot-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px;padding-bottom:22px;border-bottom:1px solid rgba(107,74,27,.5)}
.foot-wordmark{margin:0;font-family:var(--font-display);font-size:clamp(22px,3vw,32px);font-weight:700;letter-spacing:.02em;color:var(--paper-white)}
.foot-tagline{margin:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--mist-green)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:32px 0 30px}
.foot-col{min-width:0}
.foot-col-title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;font-weight:500;letter-spacing:.18em;
  color:var(--signal-gold);
}
.foot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.foot-link{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:8px 10px 8px 0;
  font-size:14px;
  color:var(--mist-green);
  text-decoration:none;
  border-bottom:1px solid rgba(107,74,27,.28);
  transition:color var(--t-fast) var(--ease),padding-left var(--t-fast) var(--ease);
}
.foot-name{color:inherit;transition:color var(--t-fast) var(--ease)}
.foot-route{font-family:var(--font-mono);font-size:11px;letter-spacing:.02em;color:rgba(134,167,154,.72);transition:color var(--t-fast) var(--ease)}
.foot-link:hover,.foot-link:focus-visible{padding-left:6px}
.foot-link:hover .foot-name,.foot-link:focus-visible .foot-name{color:var(--bright-gold)}
.foot-link:hover .foot-route,.foot-link:focus-visible .foot-route{color:var(--neon-cyan)}
.foot-contact{display:flex;flex-direction:column;gap:10px}
.contact-line{display:flex;flex-wrap:wrap;gap:2px 10px;margin:0;font-size:14px}
.contact-k{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--signal-gold);min-width:52px;padding-top:3px}
.contact-v{color:var(--mist-green);word-break:break-word}
.contact-note{
  margin:6px 0 0;
  padding-left:14px;
  font-size:12.5px;line-height:1.7;
  color:rgba(134,167,154,.86);
  border-left:2px solid var(--line-bronze);
}
.foot-base{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  padding-top:20px;
  font-size:12.5px;
  color:var(--mist-green);
  border-top:1px solid rgba(107,74,27,.5);
}
.foot-copy{margin:0}
.foot-icp{margin:0;font-family:var(--font-mono);letter-spacing:.04em}

/* ---------- 版面容器 ---------- */
.canvas{width:100%;max-width:var(--shell-max);margin:0 auto;padding-inline:var(--pad-inline)}
.band{position:relative;padding-block:clamp(48px,6vw,96px)}
.band--tight{padding-block:clamp(32px,4vw,56px)}
.band--ink{background:var(--ink-green)}
.band--cyan{background:var(--panel-cyan)}
.band--edge::before{
  content:"";position:absolute;top:0;left:0;
  width:min(420px,60%);height:1px;
  background:linear-gradient(90deg,var(--signal-gold),transparent);
}
.breadcrumb{padding-block:16px}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px 8px;margin:0;padding:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--mist-green)}
.breadcrumb li{display:flex;align-items:baseline;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line-bronze)}
.breadcrumb a{color:var(--mist-green);text-decoration:none;border-bottom:1px solid transparent;transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease)}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--neon-cyan);border-bottom-color:var(--neon-cyan)}
.breadcrumb [aria-current="page"]{color:var(--bright-gold)}

/* ---------- 章节头部与正文 ---------- */
.section-head{margin-bottom:clamp(24px,3vw,40px)}
.section-idx{display:block;margin-bottom:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--signal-gold)}
.section-title{margin:0;font-size:clamp(24px,3.4vw,40px);color:var(--paper-white)}
.eyebrow{margin:0 0 8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--mist-green)}
.lede{margin:0;max-width:62ch;font-size:clamp(16px,1.6vw,19px);line-height:1.75;color:var(--mist-green)}
.prose{max-width:70ch;padding-left:clamp(16px,2vw,26px);border-left:1px solid rgba(107,74,27,.7)}
.prose>*:last-child{margin-bottom:0}

/* ---------- 栅格 ---------- */
.grid{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,40px)}
.split{display:grid;grid-template-columns:1fr;gap:0}
.split>*+*{margin-top:clamp(24px,3vw,36px)}
@media (min-width:720px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:880px){
  .split{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split>*{padding-inline:clamp(18px,2.4vw,32px)}
  .split>*:first-child{padding-left:0}
  .split>*:last-child{padding-right:0;border-left:1px solid var(--line-bronze)}
  .split>*+*{margin-top:0}
}
@media (min-width:1080px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ---------- 面板与索引卡 ---------- */
.panel{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:var(--panel-cyan);
  border:1px solid var(--line-bronze);
  clip-path:polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition:border-color var(--t-base) var(--ease),background-color var(--t-base) var(--ease);
}
.panel:hover{border-color:var(--signal-gold)}
.panel--ink{background:var(--ink-green)}
.panel--flat{background:transparent}
.index-card{
  position:relative;
  display:flex;flex-direction:column;gap:8px;
  padding:20px 18px;
  color:inherit;text-decoration:none;
  background:rgba(12,42,32,.72);
  border:1px solid var(--line-bronze);
  clip-path:polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition:background-color var(--t-base) var(--ease),border-color var(--t-base) var(--ease);
}
.index-card:hover,.index-card:focus-visible{background:rgba(15,59,58,.88);border-color:var(--signal-gold)}
.index-card:hover .index-num,.index-card:focus-visible .index-num{color:var(--neon-cyan)}
.index-num{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--signal-gold);transition:color var(--t-fast) var(--ease)}
.index-title{margin:0;font-family:var(--font-display);font-size:19px;font-weight:600;color:var(--paper-white)}
.index-desc{margin:0;font-size:14px;line-height:1.7;color:var(--mist-green)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;
  font-size:14px;font-weight:600;letter-spacing:.08em;
  color:var(--bright-gold);
  background:transparent;
  border:1px solid var(--signal-gold);
  text-decoration:none;
  cursor:pointer;
  clip-path:polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.btn:hover{background:var(--signal-gold);color:var(--archive-black)}
.btn--solid{background:var(--signal-gold);color:var(--archive-black)}
.btn--solid:hover{background:var(--bright-gold);border-color:var(--bright-gold)}
.btn--ghost{border-color:var(--line-bronze);color:var(--mist-green)}
.btn--ghost:hover{background:transparent;border-color:var(--neon-cyan);color:var(--neon-cyan)}
.btn--small{padding:8px 14px;font-size:13px;letter-spacing:.06em}

/* ---------- 数据表 ---------- */
.data-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.5}
.data-table caption{caption-side:top;text-align:left;padding:0 0 12px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--signal-gold)}
.data-table th{
  padding:10px 12px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.12em;
  color:var(--signal-gold);text-align:left;
  border-bottom:1px solid var(--line-bronze);
}
.data-table td{padding:12px;color:var(--paper-white);border-bottom:1px solid rgba(107,74,27,.35)}
.data-table tbody tr{transition:background-color var(--t-fast) var(--ease)}
.data-table tbody tr:hover{background:rgba(59,227,210,.06)}
.data-table tbody tr:focus-within{outline:2px solid var(--warm-orange);outline-offset:-2px}
.data-table .num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--bright-gold);text-align:right}

/* ---------- 标记 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--mist-green);
  border:1px solid var(--line-bronze);
}
.tag--update{color:var(--warm-orange);border-color:rgba(242,135,74,.5)}
.tag--live{color:var(--neon-cyan);border-color:rgba(59,227,210,.45)}

/* ---------- 图片容器（供页面阶段放置图片） ---------- */
.figure{
  position:relative;
  overflow:hidden;
  margin:0;
  border:1px solid var(--line-bronze);
  background:linear-gradient(140deg,var(--ink-green),var(--archive-black) 58%,var(--panel-cyan));
}
.figure img{display:block;width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.figure::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:
    repeating-linear-gradient(90deg, rgba(59,227,210,.06) 0 1px, transparent 1px 46px),
    linear-gradient(180deg, transparent 55%, rgba(6,20,16,.72));
}
.figure--wide img{aspect-ratio:21/9}
.figure--tall img{aspect-ratio:4/5}
.figure-caption{margin:10px 0 0;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--mist-green)}

/* ---------- 脚本生成元素 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:2px;
  z-index:120;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--signal-gold),var(--neon-cyan));
  pointer-events:none;
}
.to-top{
  position:fixed;
  right:clamp(14px,2vw,28px);
  bottom:clamp(14px,2vw,28px);
  z-index:110;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--bright-gold);
  background:rgba(6,20,16,.92);
  border:1px solid var(--line-bronze);
  cursor:pointer;
  opacity:0;visibility:hidden;
  clip-path:polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition:opacity var(--t-base) var(--ease),visibility var(--t-base) var(--ease),border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.to-top[data-visible]{opacity:1;visibility:visible}
.to-top:hover{border-color:var(--neon-cyan);color:var(--neon-cyan)}

/* ---------- 桌面：画布右移，让出品牌轨道 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .scroll-progress{left:var(--rail-w)}
}

/* ---------- 平板与手机：横条 + 下拉索引面板 ---------- */
@media (max-width:1023px){
  .site-rail{
    position:sticky;
    top:0;left:auto;right:auto;bottom:auto;
    width:100%;
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    align-items:center;
    gap:10px 12px;
    padding:10px 16px;
    border-right:0;
    border-bottom:1px solid var(--line-bronze);
    background:linear-gradient(180deg, rgba(6,20,16,.98), rgba(6,20,16,.94));
  }
  .site-rail::after{display:none}
  .rail-brand{padding:0;border:0;min-width:0}
  .brand-mark{width:36px;height:36px;font-size:13px}
  .brand-name{font-size:16px}
  .brand-sub{font-size:10px}
  .nav-toggle{display:inline-flex}
  .rail-nav{
    grid-column:1 / -1;
    display:none;
    max-height:calc(100vh - 120px);
    overflow-y:auto;
    padding-top:6px;
    border-top:1px solid rgba(107,74,27,.5);
  }
  .site-rail[data-open] .rail-nav{display:block}
  .nav-list{gap:0}
  .nav-link{padding:13px 8px;font-size:16px}
  .rail-aux{grid-column:1 / -1;display:none;padding-top:12px}
  .site-rail[data-open] .rail-aux{display:block}
}
@media (max-width:1023px) and (min-width:640px){
  .site-rail{padding:12px 24px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr)) 1.4fr;gap:40px}
}

/* ---------- 动效降级 ---------- */
@media (max-width:1023px) and (prefers-reduced-motion: no-preference){
  .site-rail[data-open] .rail-nav{animation:rail-drop 180ms var(--ease) both}
  @keyframes rail-drop{
    from{opacity:0;transform:translateY(-6px)}
    to{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;
  }
}