/* ============================================================
   第一娱乐中心 · /assets/site.css
   夜间数据监控室风格：深海墨蓝基底 + 霓虹青/琥珀金数据高亮
   ============================================================ */

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd, table, thead, tbody, tr, th, td {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; }
summary { cursor: pointer; }

/* ---------- tokens ---------- */
:root {
  /* 色彩 */
  --ink-900: #0A1420;
  --ink-800: #101E2E;
  --ink-700: #16283C;
  --cyan: #2FE3D0;
  --amber: #F2B441;
  --orange: #FF7A45;
  --violet: #8E8AA8;
  --text: #E8F1F5;
  --text-dim: #9BB0BF;
  --line: #22384D;

  --cyan-a04: rgba(47, 227, 208, .04);
  --cyan-a08: rgba(47, 227, 208, .08);
  --cyan-a16: rgba(47, 227, 208, .16);
  --cyan-a50: rgba(47, 227, 208, .5);
  --amber-a08: rgba(242, 180, 65, .08);
  --amber-a50: rgba(242, 180, 65, .5);
  --violet-a08: rgba(142, 138, 168, .12);
  --grid-a: rgba(155, 176, 191, .055);

  /* 字体 */
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  --cond: "思源黑体 CN Condensed", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --sans: "思源黑体", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  /* 尺度 */
  --shell: 1320px;
  --gut: 24px;
  --header-h: 64px;
  --ticker-h: 28px;
  --gap: 16px;

  /* 动效 */
  --dur-fast: 140ms;
  --dur-mid: 280ms;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 基础排版 ---------- */
body {
  min-height: 100vh;
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 精密网格底纹 + 冷光源晕染（纯装饰层） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-a) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-a) 1px, transparent 1px);
  background-size: 8px 8px;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120vw 70vh at 8% -10%, rgba(47, 227, 208, .07), transparent 60%),
    radial-gradient(90vw 60vh at 100% 0%, rgba(242, 180, 65, .05), transparent 62%);
}

h1, h2, h3, h4 {
  font-family: var(--cond);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: .01em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

::selection { background: rgba(47, 227, 208, .3); color: #fff; }

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

/* ---------- 数值与工具类 ---------- */
.num,
.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

.num-em {
  font-family: var(--mono);
  font-size: 1.9em;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  text-shadow: 0 0 1px var(--cyan), 0 0 14px rgba(47, 227, 208, .38);
}

.dim { color: var(--text-dim); }

.rule {
  height: 1px;
  border: 0;
  background: var(--line);
}

.stack { display: grid; gap: var(--gap); }

/* ---------- 跳至主内容 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -72px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink-700);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  transition: top var(--dur-fast) var(--ease);
}

.skip-link:focus { top: 8px; }

/* ---------- 顶部时间戳带 ---------- */
.ticker {
  position: relative;
  z-index: 40;
  height: var(--ticker-h);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(90deg, #0A1420, #101E2E 55%, #0A1420);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--text-dim);
}

.ticker::before,
.ticker::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 52px;
  z-index: 2;
  pointer-events: none;
}

.ticker::before { left: 0; background: linear-gradient(90deg, var(--ink-900), transparent); }
.ticker::after { right: 0; background: linear-gradient(270deg, var(--ink-900), transparent); }

.ticker__track {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  white-space: nowrap;
  will-change: transform;
  animation: ticker-scroll 60s linear infinite;
}

.ticker:hover .ticker__track,
.ticker:focus-within .ticker__track { animation-play-state: paused; }

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.ticker__group { display: flex; flex: 0 0 auto; align-items: center; }

.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: var(--ticker-h);
  padding: 0 16px;
  border-right: 1px solid var(--line);
}

.ticker__key { color: var(--text-dim); }
.ticker__val { color: var(--amber); }
.ticker__val--cyan { color: var(--cyan); }

/* ---------- 站点头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 20, 32, .94);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: var(--shell);
  height: var(--header-h);
  margin: 0 auto;
  padding: 0 var(--gut);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand__glyph {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border: 1px solid var(--cyan);
  background: linear-gradient(135deg, var(--cyan-a16), transparent 72%);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  box-shadow: inset 0 0 14px rgba(47, 227, 208, .18);
}

.brand__name {
  font-family: var(--cond);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--text);
  white-space: nowrap;
}

.brand__tagline {
  padding-left: 12px;
  border-left: 1px solid var(--line);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  white-space: nowrap;
}

/* 移动端开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.nav-toggle:hover { color: var(--cyan); border-color: var(--cyan-a50); }

.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur-mid) var(--ease), opacity var(--dur-fast) var(--ease);
}

.nav-toggle[aria-expanded="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 导航 */
.site-nav { display: flex; align-items: center; }

.site-nav__list {
  display: flex;
  align-items: stretch;
  height: var(--header-h);
}

.site-nav__list > li { display: flex; }

.site-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-left: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 14px;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.site-nav__list > li:last-child .site-nav__link { border-right: 1px solid var(--line); }

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-mid) var(--ease);
}

.site-nav__link:hover {
  color: var(--text);
  background: var(--cyan-a08);
}

.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__link[aria-current="page"] {
  color: var(--cyan);
  background: linear-gradient(180deg, transparent, var(--cyan-a08));
}

.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* ---------- 站点页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: 72px;
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800) 45%, #0B1724);
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.3fr 1fr;
  gap: 32px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 52px var(--gut) 40px;
}

.footer-col { min-width: 0; }

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--cyan);
  font-family: var(--cond);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
}

.footer-col__title::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(47, 227, 208, .7);
}

.footer-brand {
  font-family: var(--cond);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.footer-note {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.75;
  max-width: 34em;
}

.footer-note + .footer-note { margin-top: 10px; }

.footer-note--mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--violet);
}

.footer-links { display: grid; gap: 10px; }

.footer-links a {
  position: relative;
  display: inline-block;
  padding-left: 15px;
  color: var(--text-dim);
  font-size: 14px;
  transition: color var(--dur-fast) var(--ease);
}

.footer-links a::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 6px;
  height: 1px;
  background: var(--line);
  transition: width var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.footer-links a:hover { color: var(--cyan); }
.footer-links a:hover::before { width: 10px; background: var(--cyan); }

.footer-contact { display: grid; gap: 14px; }

.footer-contact__item { display: grid; gap: 3px; }

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

.footer-contact__value {
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.footer-contact__value--mono {
  font-family: var(--mono);
  letter-spacing: .06em;
  color: var(--amber);
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px var(--gut) 22px;
  border-top: 1px solid var(--line);
}

.footer-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-dim);
}

.footer-meta--icp { color: var(--violet); }

.footer-sync { color: var(--text-dim); }

.footer-sync__time { color: var(--amber); }

/* ---------- 容器与章节 ---------- */
.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gut);
}

.container--narrow { max-width: 920px; }
.container--wide { max-width: 1560px; }

.section { padding: 56px 0; }

.section__head {
  position: relative;
  display: grid;
  gap: 8px;
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.section__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 72px;
  height: 2px;
  background: var(--cyan);
}

.section__index {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber);
}

.section__title {
  font-size: clamp(22px, 3vw, 32px);
  color: var(--text);
}

.section__lede {
  max-width: 72ch;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 30, 46, .5);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 13px var(--gut);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.breadcrumb__sep { color: var(--violet); }

.breadcrumb__link { transition: color var(--dur-fast) var(--ease); }
.breadcrumb__link:hover { color: var(--cyan); }

.breadcrumb__current { color: var(--text); }

/* ---------- 按钮 ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border: 1px solid var(--line);
  background: var(--ink-700);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .03em;
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}

.btn--primary {
  border-color: var(--cyan);
  background: linear-gradient(180deg, var(--cyan-a16), var(--cyan-a04));
  color: var(--cyan);
  box-shadow: 0 8px 26px -16px rgba(47, 227, 208, .8);
}

.btn--ghost { background: transparent; }

.btn--amber {
  border-color: var(--amber-a50);
  background: linear-gradient(180deg, var(--amber-a08), transparent);
  color: var(--amber);
}

.btn--amber:hover { border-color: var(--amber); color: var(--amber); }

.btn__arrow { font-family: var(--mono); }

/* ---------- 面板 / 卡片 ---------- */
.panel {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.panel--flat { background: transparent; }

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--ink-700);
  border-bottom: 1px solid var(--line);
}

.panel__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--cond);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .05em;
}

.panel__title::before {
  content: "";
  width: 2px;
  height: 14px;
  flex: 0 0 auto;
  background: var(--cyan);
}

.panel__meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: .06em;
}

.panel__body { padding: 16px; }

.card {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 16px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.card:hover { border-color: var(--cyan); transform: translateY(-2px); }

.card__index {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--amber);
}

.card__title {
  font-family: var(--cond);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.32;
  color: var(--text);
}

.card__text {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.7;
}

.card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: .06em;
}

/* ---------- KPI 数值浮标 ---------- */
.kpi { display: grid; gap: 4px; }

.kpi__value {
  font-family: var(--mono);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.01em;
  text-shadow: 0 0 1px var(--cyan), 0 0 16px rgba(47, 227, 208, .35);
}

.kpi__value--amber {
  color: var(--amber);
  text-shadow: 0 0 1px var(--amber), 0 0 16px rgba(242, 180, 65, .3);
}

.kpi__value--violet {
  color: var(--violet);
  text-shadow: none;
}

.kpi__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.kpi__unit {
  margin-left: 4px;
  font-size: .45em;
  color: var(--text-dim);
  text-shadow: none;
}

/* ---------- 索引树 ---------- */
.index-tree {
  background: var(--ink-800);
  border: 1px solid var(--line);
  padding: 12px;
}

.index-tree__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 4px 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.index-tree__list {
  display: grid;
  gap: 2px;
  padding-top: 10px;
}

.index-tree__item > .index-tree__list {
  margin: 2px 0 2px 6px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.index-tree__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-size: 13px;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
}

.index-tree__link:hover {
  color: var(--text);
  background: var(--cyan-a08);
  border-color: var(--line);
}

.index-tree__code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
}

.index-tree__link[data-state="open"] { border-style: dashed; border-color: var(--line); }
.index-tree__link[data-state="selected"],
.index-tree__link[aria-current="page"] {
  border-style: solid;
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-a08);
}

.index-tree__link[data-state="updated"] {
  border-style: dotted;
  border-color: var(--amber-a50);
  color: var(--text);
}

.index-tree__link[data-state="updated"]::after {
  content: "●";
  margin-left: auto;
  font-size: 8px;
  color: var(--amber);
}

/* ---------- 胶囊条 ---------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.chip:hover { color: var(--cyan); border-color: var(--cyan-a50); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  background: rgba(22, 40, 60, .6);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  white-space: nowrap;
}

.tag--cyan { border-color: var(--cyan-a50); background: var(--cyan-a08); color: var(--cyan); }
.tag--amber { border-color: var(--amber-a50); background: var(--amber-a08); color: var(--amber); }
.tag--violet { border-color: rgba(142, 138, 168, .5); background: var(--violet-a08); color: var(--violet); }

/* ---------- 图例（庄 / 闲 / 和）---------- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.legend__item { display: inline-flex; align-items: center; gap: 7px; }

.legend__swatch { width: 14px; height: 2px; background: var(--cyan); }

.legend__swatch--player { background: var(--orange); }

.legend__swatch--tie {
  background: repeating-linear-gradient(90deg, var(--violet) 0 3px, transparent 3px 6px);
}

/* ---------- 表格 ---------- */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-800);
  -webkit-overflow-scrolling: touch;
}

.table-scroll--tall {
  max-height: 520px;
  overflow-y: auto;
}

.data-table {
  width: 100%;
  min-width: 680px;
  font-size: 14px;
}

.data-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-700);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-align: left;
  white-space: nowrap;
}

.data-table th[data-sort] { cursor: pointer; }
.data-table th[data-sort]:hover { color: var(--cyan); }
.data-table th[aria-sort="ascending"]::after { content: " ▲"; color: var(--cyan); }
.data-table th[aria-sort="descending"]::after { content: " ▼"; color: var(--cyan); }

.data-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  white-space: nowrap;
}

.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover td { background: rgba(47, 227, 208, .05); }

.data-table--sticky-first thead th:first-child,
.data-table--sticky-first tbody td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  border-right: 1px solid var(--line);
  background: var(--ink-800);
  font-family: var(--mono);
  color: var(--amber);
}

.data-table--sticky-first thead th:first-child { z-index: 3; background: var(--ink-700); color: var(--text-dim); }
.data-table--sticky-first tbody tr:hover td:first-child { background: #14273A; }

/* ---------- 折叠面板 ---------- */
.disclosure {
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.disclosure + .disclosure { margin-top: 12px; }

.disclosure__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  font-family: var(--cond);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--text);
  list-style: none;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.disclosure__summary::-webkit-details-marker { display: none; }

.disclosure__summary::before {
  content: "+";
  width: 14px;
  flex: 0 0 auto;
  text-align: center;
  font-family: var(--mono);
  color: var(--cyan);
}

.disclosure[open] .disclosure__summary { color: var(--cyan); }
.disclosure[open] .disclosure__summary::before { content: "–"; }
.disclosure__summary:hover { background: var(--cyan-a08); }

.disclosure__hint {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.disclosure__body {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 正文排版 ---------- */
.prose {
  max-width: 72ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

.prose p + p { margin-top: 1.2em; }
.prose h2 { margin: 2em 0 .6em; font-size: 22px; }
.prose h3 { margin: 1.6em 0 .5em; font-size: 18px; }
.prose strong { color: var(--cyan); font-weight: 700; }

.prose ul,
.prose ol {
  display: grid;
  gap: 8px;
  margin-top: 1em;
}

.prose li {
  position: relative;
  padding-left: 16px;
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: var(--ratio, 16 / 9);
  background: var(--ink-700);
  border: 1px solid var(--line);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.02);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(155, 176, 191, .06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(155, 176, 191, .06) 1px, transparent 1px);
  background-size: 24px 24px;
}

.media-frame--16x9 { --ratio: 16 / 9; }
.media-frame--4x3 { --ratio: 4 / 3; }
.media-frame--1x1 { --ratio: 1 / 1; }
.media-frame--banner { --ratio: 3 / 1; }

.media-frame__caption {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-dim);
}

/* ---------- 网格 ---------- */
.grid { display: grid; gap: var(--gap); }
.grid--cards { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.tri-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 300px;
  gap: var(--gap);
  align-items: start;
}

/* ---------- 滚动进度 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  transition: width 90ms linear;
}

/* ---------- 显现协议 ---------- */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}

.has-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式：平板 ---------- */
@media (max-width: 1024px) {
  .tri-layout { grid-template-columns: 1fr; }

  /* 索引树转横向编号胶囊条 */
  .index-tree {
    padding: 0;
    border: 0;
    background: transparent;
  }

  .index-tree__head { padding: 0 0 8px; }

  .index-tree__list {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    padding: 0 0 8px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .index-tree__item { display: flex; gap: 8px; }

  .index-tree__item > .index-tree__list {
    margin: 0;
    padding: 0;
    border-left: 0;
  }

  .index-tree__link {
    scroll-snap-align: start;
    padding: 6px 12px;
    border: 1px solid var(--line);
    background: var(--ink-800);
  }

  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}

/* ---------- 响应式：导航折叠 ---------- */
@media (max-width: 900px) {
  :root { --header-h: 58px; --gut: 18px; }

  .brand__tagline { display: none; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    max-height: 0;
    overflow: hidden;
    background: var(--ink-800);
    border-bottom: 1px solid var(--line);
    visibility: hidden;
    transition: max-height var(--dur-mid) var(--ease), visibility var(--dur-mid) linear;
  }

  .site-nav[data-open="true"] {
    max-height: min(72vh, 560px);
    overflow-y: auto;
    visibility: visible;
  }

  .site-nav__list { display: block; height: auto; }

  .site-nav__list > li { display: block; }

  .site-nav__link {
    height: 52px;
    padding: 0 18px;
    border-left: 0;
    border-top: 1px solid var(--line);
    font-size: 15px;
  }

  .site-nav__list > li:last-child .site-nav__link { border-right: 0; }

  .site-nav__link::after { left: 0; right: auto; width: 3px; height: 100%; bottom: 0; }
}

/* ---------- 响应式：手机 ---------- */
@media (max-width: 640px) {
  body { font-size: 15px; }

  .ticker { font-size: 10px; }
  .ticker__item { padding: 0 12px; }

  .brand__name { font-size: 17px; }
  .brand__glyph { width: 26px; height: 26px; font-size: 11px; }

  .section { padding: 40px 0; }
  .site-footer { margin-top: 52px; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 28px; padding: 40px var(--gut) 28px; }
  .site-footer__base { flex-direction: column; align-items: flex-start; gap: 6px; }

  .btn { width: 100%; justify-content: center; }
  .btn-row { flex-direction: column; }

  .media-frame--banner { --ratio: 16 / 9; }

  .kpi__value { font-size: 30px; }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .ticker__track { animation: none; transform: none; }
  .ticker__group + .ticker__group { display: none; }

  .has-js [data-reveal] { opacity: 1; transform: none; }
}