/* ============================================================
   澳门游艺正 · 中文站  共享样式表  /assets/site.css
   侧轨 + 透明叠加导航 + 档案室配色体系
   ============================================================ */

/* 1. Reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }
img, svg, video { max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; }
a { color: var(--tile-2); text-decoration: none; }
a:hover { color: var(--gold-hi); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 2px; }

/* 2. 变量 -------------------------------------------------- */
:root {
  --ink: #0B1F1A;
  --ink-2: #10312A;
  --gold: #D9A94C;
  --gold-hi: #F2D48A;
  --tile: #1E5AA8;
  --tile-2: #6FA8DC;
  --orange: #E4794A;
  --paper: #F4EFE4;
  --mist: #8FA39C;
  --cyan: #2AD3B4;

  --rail: 88px;
  --bar-h: 64px;
  --wrap: 1180px;
  --line-gold: 1px solid rgba(217, 169, 76, .32);
  --line-soft: 1px solid rgba(143, 163, 156, .22);

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

  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* 3. 全局排版 ---------------------------------------------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1200px 620px at 82% -12%, rgba(30, 90, 168, .22), transparent 62%),
    radial-gradient(900px 520px at 4% 14%, rgba(42, 211, 180, .07), transparent 62%),
    radial-gradient(700px 420px at 60% 108%, rgba(228, 121, 74, .10), transparent 60%);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
}
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 800; line-height: 1.3; letter-spacing: .02em; }
::selection { background: rgba(42, 211, 180, .3); color: #ffffff; }
.mono { font-family: var(--font-mono); letter-spacing: .06em; font-weight: 500; }
.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;
}
#main-content { display: block; scroll-margin-top: calc(var(--bar-h) + 12px); }

/* 4. 跳转链接 ---------------------------------------------- */
.skip-link {
  position: fixed; left: 12px; top: -80px; z-index: 200;
  padding: 10px 18px; border-radius: 2px;
  background: var(--gold-hi); color: #1a1206;
  font-weight: 700; font-size: 14px; letter-spacing: .04em;
  transition: top .18s var(--ease);
}
.skip-link:focus { top: 12px; color: #1a1206; }

/* 5. 头部外壳 ---------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 80; }

/* 5.1 左侧品牌轨道 */
.rail { display: none; }

/* 5.2 顶部导航条 */
.topbar {
  position: relative;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 240ms ease-out, border-color 240ms ease-out;
}
.site-header[data-scrolled="true"] .topbar {
  background-color: rgba(11, 31, 26, .95);
  border-bottom-color: rgba(217, 169, 76, .3);
}
.topbar__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  min-height: var(--bar-h);
  padding: 0 clamp(14px, 3vw, 30px);
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar__brand {
  display: inline-flex; align-items: baseline; gap: 9px;
  color: var(--paper); font-family: var(--font-head);
  font-size: 19px; font-weight: 800; letter-spacing: .04em;
  white-space: nowrap;
}
.topbar__brand-tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em;
  color: var(--gold); border: 1px solid rgba(217, 169, 76, .42);
  border-radius: 999px; padding: 2px 8px;
}

/* 5.3 移动导航按钮 */
.nav-toggle {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 9px;
  min-height: 44px; padding: 9px 14px;
  background-color: rgba(16, 49, 42, .85);
  border: 1px solid rgba(217, 169, 76, .4);
  border-radius: 2px; color: var(--paper);
  font-size: 13px; font-weight: 600; letter-spacing: .1em; cursor: pointer;
  transition: border-color 180ms ease-out, color 180ms ease-out;
}
.nav-toggle:hover { border-color: var(--gold-hi); color: var(--gold-hi); }
.nav-toggle__bars { position: relative; display: block; width: 16px; height: 10px; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: ""; position: absolute; left: 0; width: 16px; height: 1.5px;
  background: currentColor;
  transition: transform .2s var(--ease), top .2s var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 8px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 4px; transform: rotate(-45deg); }

/* 5.4 导航 */
.nav { display: none; }
.nav[data-open="true"] { display: flex; flex-direction: column; }

.nav__list { list-style: none; }
.nav__link {
  display: block; padding: 10px 12px; border-radius: 2px;
  border-bottom: 2px solid transparent;
  color: var(--paper); font-size: 15px; font-weight: 500;
  letter-spacing: .02em; white-space: nowrap;
  transition: color .16s ease-out, border-color .16s ease-out, background-color .16s ease-out;
}
.nav__link:hover { color: var(--gold-hi); border-bottom-color: rgba(217, 169, 76, .55); background-color: rgba(217, 169, 76, .07); }
.nav__link[aria-current="page"] { color: var(--gold-hi); font-weight: 700; border-bottom-color: var(--gold); }

.nav__aux { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.nav__aux-link {
  padding: 8px 8px; border-radius: 2px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em;
  color: var(--mist);
  transition: color .16s ease-out;
}
.nav__aux-link:hover { color: var(--cyan); }

/* 5.5 阅读进度线 */
.scroll-progress {
  position: absolute; left: 0; bottom: -1px; width: 100%; height: 2px;
  transform: scaleX(var(--p, 0)); transform-origin: 0 50%;
  background-image: linear-gradient(90deg, var(--cyan), var(--gold) 62%, var(--orange));
  opacity: .9; pointer-events: none;
}

/* 6. 页脚 -------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 120px);
  background-color: #091613;
  background-image: linear-gradient(180deg, rgba(16, 49, 42, .85), rgba(8, 18, 15, .98));
  border-top: 1px solid rgba(217, 169, 76, .3);
}
.footer__tile {
  height: 12px;
  background-image: repeating-linear-gradient(90deg,
    rgba(30, 90, 168, .5) 0 10px,
    rgba(244, 239, 228, .06) 10px 20px,
    rgba(42, 211, 180, .22) 20px 30px,
    transparent 30px 46px);
  border-bottom: 1px solid rgba(217, 169, 76, .2);
}
.footer__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(32px, 5vw, 58px) clamp(14px, 3vw, 30px) 22px;
  display: grid; gap: clamp(24px, 3vw, 44px);
  grid-template-columns: 1fr;
}
.footer__col { min-width: 0; }
.footer__brand {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px); font-weight: 800;
  letter-spacing: .06em; color: var(--paper);
}
.footer__meta {
  margin-top: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  color: var(--gold);
}
.footer__note {
  margin-top: 12px; max-width: 34em;
  font-size: 13px; line-height: 1.8; color: var(--mist);
}
.footer__title {
  margin-bottom: 14px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .2em;
  color: var(--tile-2); text-transform: uppercase;
}
.footer__links {
  list-style: none;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px;
}
.footer__link {
  display: inline-block; padding: 5px 0;
  font-size: 14px; color: var(--paper);
  border-bottom: 1px solid transparent;
  transition: color .16s ease-out, border-color .16s ease-out;
}
.footer__link:hover { color: var(--gold-hi); border-bottom-color: var(--gold); }
.footer__contact { list-style: none; display: grid; gap: 10px; }
.footer__copy {
  display: inline-flex; align-items: center; gap: 9px;
  max-width: 100%; padding: 8px 10px;
  background-color: rgba(16, 49, 42, .7);
  border: 1px solid rgba(217, 169, 76, .28);
  border-radius: 2px; color: var(--paper);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em;
  text-align: left; cursor: pointer; overflow-wrap: anywhere;
  transition: border-color .18s ease-out, color .18s ease-out;
}
.footer__copy::after {
  content: "复制"; flex: none;
  padding-left: 9px; border-left: 1px solid rgba(143, 163, 156, .3);
  font-size: 10px; letter-spacing: .16em; color: var(--mist);
}
.footer__copy:hover { border-color: rgba(42, 211, 180, .7); color: var(--gold-hi); }
.footer__copy[data-copied="true"] { border-color: var(--cyan); color: var(--cyan); }
.footer__copy[data-copied="true"]::after { content: "已复制"; color: var(--cyan); }
.footer__hours {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--mist);
}
.footer__bottom {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px clamp(14px, 3vw, 30px) 30px;
  border-top: 1px solid rgba(143, 163, 156, .18);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px;
}
.footer__legal {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em; color: var(--mist);
}
.to-top {
  padding: 8px 14px;
  background: transparent; border: 1px solid rgba(217, 169, 76, .38); border-radius: 2px;
  color: var(--gold-hi); font-size: 12.5px; letter-spacing: .12em; cursor: pointer;
  transition: background-color .18s ease-out, border-color .18s ease-out, transform .18s ease-out;
}
.to-top:hover { background-color: rgba(217, 169, 76, .12); border-color: var(--gold-hi); transform: translateY(-2px); }

/* 7. 通用容器与章节 ---------------------------------------- */
.container {
  width: 100%; max-width: var(--wrap); margin: 0 auto;
  padding: 0 clamp(14px, 3vw, 30px);
}
.section { padding: clamp(38px, 6vw, 84px) 0; }
.section--tight { padding: clamp(22px, 3vw, 40px) 0; }
.section-head {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px 16px;
  padding-bottom: 14px; margin-bottom: clamp(20px, 3vw, 34px);
  border-bottom: var(--line-gold);
}
.section-head__index {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .18em; color: var(--orange);
}
.section-head__title {
  font-size: clamp(24px, 3.4vw, 36px); font-weight: 800; letter-spacing: .02em; color: var(--paper);
}
.section-head__meta {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--mist);
}

/* 8. 按钮 -------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 46px; padding: 0 22px;
  border: 1px solid var(--gold); border-radius: 2px;
  background-color: transparent; color: var(--gold-hi);
  font-family: var(--font-body); font-size: 15px; font-weight: 600; letter-spacing: .05em;
  cursor: pointer;
  transition: background-color .18s ease-out, color .18s ease-out, border-color .18s ease-out, transform .18s ease-out;
}
.btn:hover { background-color: rgba(217, 169, 76, .12); border-color: var(--gold-hi); color: var(--gold-hi); transform: translateY(-2px); }
.btn--solid { background-color: var(--gold); border-color: var(--gold); color: #1a1206; }
.btn--solid:hover { background-color: var(--gold-hi); border-color: var(--gold-hi); color: #1a1206; }
.btn--ghost { border-color: rgba(42, 211, 180, .6); color: var(--cyan); }
.btn--ghost:hover { background-color: rgba(42, 211, 180, .1); border-color: var(--cyan); color: var(--cyan); }

/* 9. 卡片与标签 -------------------------------------------- */
.card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background-image: linear-gradient(180deg, rgba(16, 49, 42, .92), rgba(11, 31, 26, .94));
  border: 1px solid rgba(217, 169, 76, .28);
  border-radius: 4px;
  transition: transform .2s var(--ease), border-color .2s ease-out, box-shadow .2s ease-out;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(242, 212, 138, .62);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .45);
}
.card__label {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em; color: var(--orange);
}
.card__title { margin: 8px 0 10px; font-size: 19px; font-weight: 700; line-height: 1.5; color: var(--paper); }
.card__text { font-size: 14.5px; line-height: 1.8; color: rgba(244, 239, 228, .78); }

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: 999px;
  border: 1px solid rgba(30, 90, 168, .7);
  background-color: rgba(30, 90, 168, .16);
  color: var(--tile-2); font-size: 12.5px;
  transition: transform .16s ease-out, color .16s ease-out, border-color .16s ease-out;
}
.tag:hover { transform: scale(1.06); color: var(--gold-hi); border-color: var(--gold); }
.tag__count {
  font-family: var(--font-mono); font-size: 11px;
  opacity: 0; max-width: 0; overflow: hidden;
  transition: opacity .16s ease-out, max-width .16s ease-out;
}
.tag:hover .tag__count,
.tag:focus-visible .tag__count { opacity: 1; max-width: 5em; }

/* 10. 图片窗口（页面阶段放 img 即可） ---------------------- */
.neon-frame {
  position: relative; display: block; overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: #08120f;
  border: 1px solid rgba(217, 169, 76, .4);
  border-radius: 4px;
}
.neon-frame img { display: block; width: 100%; height: 100%; object-fit: cover; }
.neon-frame::before {
  content: ""; position: absolute; inset: 10px; z-index: 2; pointer-events: none;
  border: 1px solid rgba(42, 211, 180, .26);
}
.neon-frame::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 9px; z-index: 2; pointer-events: none;
  background-image: repeating-linear-gradient(180deg, rgba(242, 212, 138, .8) 0 1px, transparent 1px 9px);
  opacity: .5;
}
.neon-frame--wide { aspect-ratio: 21 / 9; }
.neon-frame--tall { aspect-ratio: 3 / 4; }

/* 11. 面包屑 / 正文 / 表格 --------------------------------- */
.breadcrumb {
  list-style: none;
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 16px 0;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--mist);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li::after { content: "/"; color: rgba(143, 163, 156, .5); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--tile-2); }
.breadcrumb a:hover { color: var(--gold-hi); }
.breadcrumb [aria-current="page"] { color: var(--paper); }

.prose { max-width: 34em; font-size: 16.5px; line-height: 1.85; color: rgba(244, 239, 228, .86); }
.prose p { margin-bottom: 1.1em; }
.prose h2 { margin: 1.6em 0 .6em; font-size: clamp(22px, 2.6vw, 28px); color: var(--paper); }
.prose h3 { margin: 1.4em 0 .5em; font-size: 19px; color: var(--paper); }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.3em; list-style: disc; }
.prose a { color: var(--gold-hi); text-decoration: underline; text-decoration-color: rgba(217, 169, 76, .45); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--gold-hi); }
.prose strong { color: var(--paper); }

.data-table { width: 100%; font-size: 14.5px; }
.data-table caption {
  padding-bottom: 10px; text-align: left;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--mist);
}
.data-table th, .data-table td {
  padding: 12px 14px; text-align: left; vertical-align: top;
  border-bottom: 1px solid rgba(143, 163, 156, .2);
}
.data-table thead th {
  font-size: 12.5px; font-weight: 700; letter-spacing: .1em;
  color: var(--gold); border-bottom-color: rgba(217, 169, 76, .42);
}
.data-table tbody tr { transition: background-color .16s ease-out; }
.data-table tbody tr:hover { background-color: rgba(30, 90, 168, .12); }

/* 12. 网格 -------------------------------------------------- */
.grid {
  display: grid; gap: clamp(16px, 2.2vw, 28px);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}
.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-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* 13. 显现动效 ---------------------------------------------- */
.js-reveal [data-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity .42s ease-out, transform .42s ease-out;
}
.js-reveal [data-reveal].is-visible { opacity: 1; transform: none; }

/* 14. 平板 ------------------------------------------------ */
@media (min-width: 720px) {
  .footer__inner { grid-template-columns: 1.4fr 1fr 1.2fr; }
}
@media (max-width: 899.98px) {
  .col-3, .col-4, .col-5, .col-6 { grid-column: span 6; }
  .col-8, .col-9 { grid-column: span 12; }
}
@media (max-width: 599.98px) {
  .grid > * { grid-column: span 12; }
}

/* 15. 移动与平板导航 ---------------------------------------- */
@media (max-width: 1079.98px) {
  .nav {
    position: fixed; top: var(--bar-h); left: 0; right: 0;
    max-height: calc(100vh - var(--bar-h)); overflow-y: auto;
    padding: 10px 14px 24px; z-index: 85;
    background-color: #0d241e;
    background-image: linear-gradient(180deg, rgba(30, 90, 168, .16), transparent 42%);
    border-top: 1px solid rgba(217, 169, 76, .3);
    border-bottom: 1px solid rgba(217, 169, 76, .3);
    box-shadow: 0 26px 60px rgba(0, 0, 0, .55);
  }
  .nav__item { border-bottom: 1px solid rgba(143, 163, 156, .16); }
  .nav__item:last-child { border-bottom: 0; }
  .nav__link { padding: 14px 4px; font-size: 16px; }
  .nav__aux { margin-top: 16px; padding-top: 14px; border-top: 1px solid rgba(143, 163, 156, .2); }
}

/* 16. 桌面：侧轨 + 横向栏目轨道 ----------------------------- */
@media (min-width: 1080px) {
  body { padding-left: var(--rail); }
  .skip-link { left: calc(var(--rail) + 14px); }

  .rail {
    display: flex; flex-direction: column; align-items: center; justify-content: space-between;
    position: fixed; left: 0; top: 0; bottom: 0; width: var(--rail);
    padding: 26px 0 22px; z-index: 90;
    background-image: linear-gradient(180deg, #0d241e 0%, #0B1F1A 55%, #081512 100%);
    border-right: 1px solid rgba(217, 169, 76, .26);
  }
  .rail::before {
    content: ""; position: absolute; top: 0; bottom: 0; right: 0; width: 6px;
    background-image: repeating-linear-gradient(180deg, rgba(217, 169, 76, .55) 0 1px, transparent 1px 12px);
    opacity: .45;
  }
  .rail::after {
    content: ""; position: absolute; top: 6%; bottom: 6%; left: 15px; width: 1px;
    background-image: linear-gradient(180deg, transparent, rgba(42, 211, 180, .38) 32%, rgba(217, 169, 76, .38) 72%, transparent);
  }
  .rail__brand { display: flex; flex-direction: column; align-items: center; gap: 12px; }
  .rail__brand-cn {
    writing-mode: vertical-rl; text-orientation: upright;
    font-family: var(--font-display); font-size: 26px; font-weight: 800;
    letter-spacing: .2em; color: var(--paper);
    text-shadow: 0 0 20px rgba(217, 169, 76, .38);
  }
  .rail__brand-en {
    writing-mode: vertical-rl;
    font-family: var(--font-mono); font-size: 10px; letter-spacing: .42em; color: var(--gold);
  }
  .rail__scale {
    flex: 1 1 auto; width: 9px; margin: 20px 0;
    background-image: repeating-linear-gradient(180deg, rgba(217, 169, 76, .55) 0 1px, transparent 1px 11px);
    opacity: .55;
  }
  .rail__version {
    writing-mode: vertical-rl;
    padding: 12px 5px; border-radius: 999px;
    border: 1px solid rgba(217, 169, 76, .32);
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .2em; color: var(--mist);
  }
  .rail__brand:hover .rail__brand-cn { color: var(--gold-hi); }

  .topbar__brand { display: none; }
  .nav-toggle { display: none; }
  .nav { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
  .nav__list { display: flex; align-items: center; gap: 2px; min-width: 0; overflow-x: auto; scrollbar-width: none; }
  .nav__list::-webkit-scrollbar { display: none; }
  .nav__aux { flex-wrap: nowrap; margin-left: auto; padding-left: 14px; border-left: 1px solid rgba(217, 169, 76, .28); }
}

/* 17. 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;
  }
  .card:hover, .btn:hover, .to-top:hover { transform: none; }
  .tag:hover { transform: none; }
  .js-reveal [data-reveal] { opacity: 1; transform: none; }
}