/* ==========================================================================
   Z9体育中心 · 共享样式表 /assets/site.css
   夜战战术室：墨绿夜幕 + 奶油纸阅读面 + 荧光青 / 信号橙数据高亮
   ========================================================================== */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, ol, ul, li, figure, blockquote, dl, dd { margin: 0; }
ol, ul { list-style: none; padding: 0; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; }
input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 变量 ---------- */
:root {
  --z9-ink: #0A1C17;
  --z9-paper: #F2E9D8;
  --z9-brown: #17120E;
  --z9-cyan: #3BF0C8;
  --z9-orange: #FF6A2B;
  --z9-brick: #C4442A;
  --z9-mist: #7E9A93;
  --z9-line: #1E3A32;
  --z9-heat-1: #2A6E5C;
  --z9-heat-2: #3BF0C8;
  --z9-heat-3: #F5C24A;
  --z9-heat-4: #FF6A2B;
  --z9-heat-5: #C4442A;
  --z9-shadow: 0 12px 32px rgba(0, 0, 0, .35);
  --z9-ease: cubic-bezier(.22, .61, .36, 1);
  --z9-rail: 236px;
  --z9-notice-h: 44px;
  --z9-bar: 58px;
  --z9-notice-m: 34px;
  --z9-wrap: 1180px;
  --z9-gutter: 48px;
  --z9-font-display: "Archivo Narrow", "Arial Narrow", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --z9-font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --z9-font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

/* ---------- 基础排版 ---------- */
body {
  background: var(--z9-ink);
  color: var(--z9-paper);
  font-family: var(--z9-font-body);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: .01em;
  min-height: 100vh;
  overflow-x: hidden;
}
:focus-visible { outline: 2px solid var(--z9-cyan); outline-offset: 3px; }
#main-content { display: block; scroll-margin-top: calc(var(--z9-notice-h) + 16px); }

@media (min-width: 1100px) {
  body { padding-left: var(--z9-rail); padding-top: var(--z9-notice-h); }
}
@media (max-width: 1099.98px) {
  body { padding-top: calc(var(--z9-bar) + var(--z9-notice-m)); }
  #main-content { scroll-margin-top: calc(var(--z9-bar) + var(--z9-notice-m) + 16px); }
}

/* ==========================================================================
   头部
   ========================================================================== */
.z9-header {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: var(--z9-rail) 1fr;
  grid-template-rows: var(--z9-notice-h) 1fr;
  pointer-events: none;
}

.z9-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--z9-cyan);
  color: var(--z9-ink);
  font-size: 14px;
  font-weight: 700;
  pointer-events: auto;
  transform: translateY(-180%);
  transition: transform 180ms var(--z9-ease);
}
.z9-skip:focus { transform: none; }

/* --- 侧栏 --- */
.z9-rail {
  grid-area: 1 / 1 / 3 / 2;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 26px 24px 22px;
  border-right: 1px solid transparent;
  background: linear-gradient(180deg, rgba(10, 28, 23, .94) 0%, rgba(10, 28, 23, .58) 55%, rgba(10, 28, 23, .92) 100%);
  transition: background 240ms var(--z9-ease), border-color 240ms var(--z9-ease);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.z9-header[data-scrolled] .z9-rail {
  background: var(--z9-ink);
  border-right-color: var(--z9-line);
}

/* --- 顶部数据说明行 --- */
.z9-notice {
  grid-area: 1 / 2 / 2 / 3;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 32px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--z9-mist);
  border-bottom: 1px solid transparent;
  transition: background 240ms var(--z9-ease), border-color 240ms var(--z9-ease);
}
.z9-header[data-scrolled] .z9-notice {
  background: rgba(23, 18, 14, .94);
  border-bottom-color: var(--z9-line);
}
.z9-notice__key { color: var(--z9-cyan); font-size: 11px; letter-spacing: .14em; }
.z9-notice__text { color: rgba(242, 233, 216, .62); }
.z9-notice__sep { color: rgba(126, 154, 147, .45); }
.z9-notice__date { margin-left: auto; color: rgba(126, 154, 147, .88); }

/* --- 品牌 --- */
.z9-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--z9-paper);
}
.z9-brand__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--z9-cyan);
  border: 1px solid var(--z9-cyan);
  color: var(--z9-ink);
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -.02em;
  transform: rotate(-1.5deg);
}
.z9-brand__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.z9-brand__name {
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.1;
  letter-spacing: .02em;
}
.z9-brand__sub {
  font-family: var(--z9-font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--z9-mist);
}

/* --- 移动开关 --- */
.z9-nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--z9-line);
  color: var(--z9-paper);
  font-family: var(--z9-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  cursor: pointer;
  pointer-events: auto;
  transition: border-color 180ms var(--z9-ease), color 180ms var(--z9-ease);
}
.z9-nav-toggle:hover { border-color: var(--z9-cyan); color: var(--z9-cyan); }
.z9-nav-toggle__bars { position: relative; display: block; width: 18px; height: 10px; }
.z9-nav-toggle__bars::before,
.z9-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.5px;
  background: var(--z9-cyan);
  transition: transform 200ms var(--z9-ease), top 200ms var(--z9-ease);
}
.z9-nav-toggle__bars::before { top: 1px; }
.z9-nav-toggle__bars::after { top: 8px; }
.z9-nav-toggle[aria-expanded="true"] .z9-nav-toggle__bars::before { top: 5px; transform: rotate(45deg); }
.z9-nav-toggle[aria-expanded="true"] .z9-nav-toggle__bars::after { top: 5px; transform: rotate(-45deg); }

/* --- 纵向时间轴导航 --- */
.z9-nav { position: relative; display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; }
.z9-nav__title {
  margin: 0 0 14px;
  font-family: var(--z9-font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--z9-mist);
}
.z9-nav__list { position: relative; padding-left: 20px; }
.z9-nav__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--z9-line);
}
.z9-nav__item { position: relative; }
.z9-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid transparent;
  color: rgba(242, 233, 216, .74);
  font-size: 14.5px;
  line-height: 1.5;
  transition: color 180ms var(--z9-ease), border-color 180ms var(--z9-ease), background 180ms var(--z9-ease);
}
.z9-nav__link::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 16px;
  width: 7px;
  height: 7px;
  background: var(--z9-line);
  transition: background 180ms var(--z9-ease), box-shadow 180ms var(--z9-ease);
}
.z9-nav__link:hover {
  color: var(--z9-paper);
  background: rgba(59, 240, 200, .05);
  border-color: var(--z9-line);
}
.z9-nav__link[aria-current="page"] {
  color: var(--z9-cyan);
  border-color: rgba(59, 240, 200, .6);
  background: rgba(59, 240, 200, .07);
}
.z9-nav__link[aria-current="page"]::before {
  background: var(--z9-cyan);
  box-shadow: 0 0 0 4px rgba(59, 240, 200, .16);
}
.z9-nav__idx {
  font-family: var(--z9-font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--z9-mist);
}
.z9-nav__link[aria-current="page"] .z9-nav__idx { color: var(--z9-cyan); }
.z9-nav__label { white-space: nowrap; }
.z9-nav__foot {
  margin: 16px 0 0;
  padding-left: 20px;
  font-family: var(--z9-font-mono);
  font-size: 10.5px;
  line-height: 1.7;
  letter-spacing: .08em;
  color: rgba(126, 154, 147, .72);
}

/* --- 行动区 --- */
.z9-actions {
  margin-top: auto;
  padding-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.z9-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  background: var(--z9-orange);
  border: 1px solid var(--z9-orange);
  color: var(--z9-brown);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  transition: background 180ms var(--z9-ease), border-color 180ms var(--z9-ease), color 180ms var(--z9-ease);
}
.z9-cta:hover { background: var(--z9-cyan); border-color: var(--z9-cyan); color: var(--z9-ink); }
.z9-cta__label { display: block; }
.z9-cta__glyph { font-family: var(--z9-font-mono); font-size: 15px; line-height: 1; }
.z9-utility { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.z9-utility__item { position: relative; }
.z9-utility__link {
  font-family: var(--z9-font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(126, 154, 147, .92);
  border-bottom: 1px solid rgba(30, 58, 50, .9);
  padding-bottom: 2px;
  transition: color 180ms var(--z9-ease), border-color 180ms var(--z9-ease);
}
.z9-utility__link:hover { color: var(--z9-cyan); border-bottom-color: var(--z9-cyan); }

/* --- 滚动进度 --- */
.z9-progress {
  position: fixed;
  top: 0;
  right: 0;
  width: 3px;
  height: 100vh;
  z-index: 95;
  background: rgba(126, 154, 147, .14);
  pointer-events: none;
}
.z9-progress__bar {
  display: block;
  width: 100%;
  height: 0;
  background: linear-gradient(180deg, var(--z9-cyan) 0%, var(--z9-orange) 70%, var(--z9-brick) 100%);
}

/* --- 头部：平板与手机 --- */
@media (max-width: 1099.98px) {
  .z9-header { display: block; inset: 0 0 auto 0; height: auto; }
  .z9-rail {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: var(--z9-bar);
    padding: 0 16px;
    border-right: 0;
    border-bottom: 1px solid transparent;
    background: linear-gradient(180deg, rgba(10, 28, 23, .97) 0%, rgba(10, 28, 23, .76) 100%);
    overflow: visible;
  }
  .z9-header[data-scrolled] .z9-rail {
    background: var(--z9-ink);
    border-bottom-color: var(--z9-line);
  }
  .z9-brand__sub { display: none; }
  .z9-brand__mark { width: 36px; height: 36px; font-size: 18px; }
  .z9-brand__name { font-size: 16px; }
  .z9-nav-toggle { display: inline-flex; }
  .z9-notice {
    height: var(--z9-notice-m);
    padding: 0 16px;
    gap: 8px;
    font-size: 10.5px;
    background: rgba(10, 28, 23, .92);
    overflow: hidden;
    white-space: nowrap;
  }
  .z9-header[data-scrolled] .z9-notice { background: rgba(23, 18, 14, .96); }
  .z9-notice__text { overflow: hidden; text-overflow: ellipsis; }
  .z9-notice__date { display: none; }
  .z9-nav {
    position: fixed;
    top: calc(var(--z9-bar) + var(--z9-notice-m));
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--z9-bar) - var(--z9-notice-m));
    overflow-y: auto;
    padding: 24px 20px 32px;
    background: var(--z9-ink);
    border-bottom: 1px solid var(--z9-line);
    box-shadow: var(--z9-shadow);
    pointer-events: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 200ms var(--z9-ease), transform 200ms var(--z9-ease), visibility 200ms linear;
  }
  .z9-nav[data-open] { opacity: 1; visibility: visible; transform: none; }
  .z9-nav__list { padding-left: 22px; }
  .z9-nav__link { padding: 12px; font-size: 16px; }
  .z9-nav__link::before { top: 20px; }
  .z9-nav__foot { padding-left: 22px; }
  .z9-actions { margin-top: 24px; padding-top: 0; }
  .z9-cta { padding: 14px 16px; font-size: 15px; }
}

/* ==========================================================================
   页脚
   ========================================================================== */
.z9-footer {
  position: relative;
  background: var(--z9-brown);
  color: rgba(242, 233, 216, .78);
  border-top: 1px solid var(--z9-line);
}
.z9-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--z9-cyan) 0%, var(--z9-orange) 55%, var(--z9-brick) 100%);
}
.z9-footer__inner {
  width: min(var(--z9-wrap), 100% - var(--z9-gutter));
  margin: 0 auto;
  padding: 64px 0 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}
@media (min-width: 900px) {
  .z9-footer__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 56px; }
}
.z9-footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.z9-brand--footer { color: var(--z9-paper); }
.z9-footer__tagline {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 233, 216, .6);
  max-width: 30ch;
}
.z9-footer__meta {
  display: grid;
  gap: 10px;
  font-family: var(--z9-font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
}
.z9-footer__meta-item { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.z9-footer__meta-key { color: var(--z9-mist); font-size: 11px; letter-spacing: .12em; }
.z9-footer__meta-value { color: rgba(242, 233, 216, .86); }
.z9-copy {
  padding: 3px 8px;
  border: 1px solid var(--z9-line);
  color: var(--z9-cyan);
  font-family: var(--z9-font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color 180ms var(--z9-ease), border-color 180ms var(--z9-ease), background 180ms var(--z9-ease);
}
.z9-copy:hover { border-color: var(--z9-cyan); background: rgba(59, 240, 200, .08); }
.z9-copy[data-copied] {
  color: var(--z9-orange);
  border-color: var(--z9-orange);
  background: rgba(255, 106, 43, .1);
}
.z9-footer__nav { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.z9-footer__col { min-width: 0; }
.z9-footer__col-title {
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--z9-line);
  font-family: var(--z9-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--z9-mist);
  font-weight: 600;
}
.z9-footer__links { display: grid; gap: 11px; margin-top: 16px; }
.z9-footer__link {
  width: fit-content;
  font-size: 14.5px;
  color: rgba(242, 233, 216, .82);
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--z9-ease), border-color 180ms var(--z9-ease);
}
.z9-footer__link:hover { color: var(--z9-cyan); border-bottom-color: var(--z9-cyan); }
.z9-footer__base { border-top: 1px solid var(--z9-line); }
.z9-footer__base-inner {
  width: min(var(--z9-wrap), 100% - var(--z9-gutter));
  margin: 0 auto;
  padding: 22px 0 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 28px;
  font-family: var(--z9-font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--z9-mist);
}
.z9-footer__legal { color: rgba(126, 154, 147, .95); }
.z9-footer__note { color: rgba(126, 154, 147, .72); }

/* ==========================================================================
   通用骨架
   ========================================================================== */
.z9-wrap { width: min(var(--z9-wrap), 100% - var(--z9-gutter)); margin-inline: auto; }
.z9-wrap--narrow { width: min(760px, 100% - var(--z9-gutter)); }
.z9-wrap--wide { width: min(1440px, 100% - var(--z9-gutter)); }
.z9-section { position: relative; padding: 72px 0; }
.z9-section--tight { padding: 44px 0; }
.z9-section--paper { background: var(--z9-paper); color: var(--z9-brown); }
.z9-section--brown { background: var(--z9-brown); color: var(--z9-paper); }
.z9-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; }
.z9-grid--gap-lg { gap: 40px; }
.z9-rule { height: 1px; margin: 0; border: 0; background: var(--z9-line); }

/* ---------- 文字 ---------- */
.z9-display {
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(40px, 6.4vw, 96px);
  line-height: .98;
  letter-spacing: -.02em;
}
.z9-h1 {
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(32px, 4.6vw, 68px);
  line-height: 1.02;
  letter-spacing: -.015em;
}
.z9-h2 {
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: clamp(24px, 3vw, 44px);
  line-height: 1.06;
  letter-spacing: -.01em;
}
.z9-h3 {
  font-family: var(--z9-font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.15;
}
.z9-lede { font-size: 19px; line-height: 1.8; color: rgba(242, 233, 216, .84); max-width: 56ch; }
.z9-section--paper .z9-lede { color: rgba(23, 18, 14, .78); }
.z9-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--z9-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--z9-mist);
}
.z9-eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--z9-cyan); }
.z9-prose { max-width: 62ch; font-size: 17px; line-height: 1.85; }
.z9-prose p + p { margin-top: 1.1em; }
.z9-prose h2 { margin: 2em 0 .6em; }
.z9-note { font-family: var(--z9-font-mono); font-size: 12px; line-height: 1.7; letter-spacing: .03em; color: var(--z9-mist); }

/* ---------- 面板与卡片 ---------- */
.z9-panel { padding: 28px; border: 1px solid var(--z9-line); background: rgba(23, 18, 14, .5); }
.z9-panel--paper { background: var(--z9-paper); color: var(--z9-brown); border-color: rgba(23, 18, 14, .14); }
.z9-card {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--z9-line);
  background: linear-gradient(180deg, rgba(30, 58, 50, .38) 0%, rgba(10, 28, 23, .12) 100%);
  transition: border-color 200ms var(--z9-ease), transform 200ms var(--z9-ease);
}
.z9-card:hover { border-color: rgba(59, 240, 200, .55); transform: translateY(-2px); }
.z9-card__index { font-family: var(--z9-font-mono); font-size: 11px; letter-spacing: .14em; color: var(--z9-brick); }
.z9-card__title {
  margin: 10px 0 8px;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.2;
}
.z9-card__text { font-size: 15px; line-height: 1.8; color: rgba(242, 233, 216, .72); }
.z9-card__meta { margin-top: 16px; font-family: var(--z9-font-mono); font-size: 11px; letter-spacing: .08em; color: var(--z9-mist); }

/* ---------- 按钮与标签 ---------- */
.z9-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1px solid var(--z9-line);
  color: var(--z9-paper);
  font-size: 14px;
  font-weight: 700;
  transition: border-color 180ms var(--z9-ease), color 180ms var(--z9-ease), background 180ms var(--z9-ease);
}
.z9-btn:hover { border-color: var(--z9-cyan); color: var(--z9-cyan); }
.z9-btn--primary { background: var(--z9-cyan); border-color: var(--z9-cyan); color: var(--z9-ink); }
.z9-btn--primary:hover { background: var(--z9-orange); border-color: var(--z9-orange); color: var(--z9-brown); }
.z9-btn--ghost { background: transparent; }
.z9-tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--z9-line);
  font-family: var(--z9-font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--z9-mist);
}
.z9-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.z9-chip {
  padding: 8px 12px;
  border: 1px solid var(--z9-line);
  background: transparent;
  color: rgba(242, 233, 216, .74);
  font-family: var(--z9-font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color 180ms var(--z9-ease), border-color 180ms var(--z9-ease), background 180ms var(--z9-ease);
}
.z9-chip:hover { border-color: rgba(59, 240, 200, .5); color: var(--z9-paper); }
.z9-chip[aria-pressed="true"] { background: var(--z9-cyan); border-color: var(--z9-cyan); color: var(--z9-ink); }
[data-filtered="off"] { display: none; }

/* ---------- 面包屑 ---------- */
.z9-breadcrumb { font-family: var(--z9-font-mono); font-size: 11.5px; letter-spacing: .08em; color: var(--z9-mist); }
.z9-breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; }
.z9-breadcrumb__item { display: flex; align-items: center; }
.z9-breadcrumb__item + .z9-breadcrumb__item::before { content: "/"; margin: 0 10px; color: rgba(126, 154, 147, .45); }
.z9-breadcrumb__link { color: rgba(242, 233, 216, .7); border-bottom: 1px solid transparent; }
.z9-breadcrumb__link:hover { color: var(--z9-cyan); border-bottom-color: var(--z9-cyan); }
.z9-breadcrumb__current { color: var(--z9-cyan); }

/* ---------- 数据组件 ---------- */
.z9-metric { display: flex; flex-direction: column; gap: 6px; padding: 18px 0; }
.z9-metric__value {
  font-family: var(--z9-font-mono);
  font-weight: 600;
  font-size: clamp(30px, 4.4vw, 68px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--z9-cyan);
  font-variant-numeric: tabular-nums;
}
.z9-metric--alt .z9-metric__value { color: var(--z9-orange); }
.z9-metric__label { font-family: var(--z9-font-mono); font-size: 11px; letter-spacing: .14em; color: var(--z9-mist); }

.z9-heat { display: flex; width: 100%; height: 10px; border: 1px solid var(--z9-line); }
.z9-heat__seg { flex: 1 1 0; background: var(--z9-line); }
.z9-heat__seg--1 { background: var(--z9-heat-1); }
.z9-heat__seg--2 { background: var(--z9-heat-2); }
.z9-heat__seg--3 { background: var(--z9-heat-3); }
.z9-heat__seg--4 { background: var(--z9-heat-4); }
.z9-heat__seg--5 { background: var(--z9-heat-5); }
.z9-heat__legend {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--z9-font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--z9-mist);
}

.z9-timeline { position: relative; padding-left: 26px; }
.z9-timeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 1px; background: var(--z9-line); }
.z9-timeline__item { position: relative; padding-bottom: 34px; }
.z9-timeline__item:last-child { padding-bottom: 0; }
.z9-timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--z9-ink);
  border: 1px solid var(--z9-orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .12);
}
.z9-timeline__mark { font-family: var(--z9-font-mono); font-size: 11px; letter-spacing: .12em; color: var(--z9-orange); }
.z9-timeline__title {
  margin: 6px 0;
  font-family: var(--z9-font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.25;
}
.z9-timeline__text { font-size: 15px; line-height: 1.8; color: rgba(242, 233, 216, .72); max-width: 58ch; }

.z9-term { padding: 16px 18px; border: 1px solid var(--z9-line); background: rgba(30, 58, 50, .2); }
.z9-term__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--z9-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--z9-cyan);
}
.z9-term__def { font-size: 14.5px; line-height: 1.75; color: rgba(242, 233, 216, .78); }

.z9-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-top: 14px;
  border-top: 1px solid var(--z9-line);
  font-family: var(--z9-font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--z9-mist);
}
.z9-sources__item { display: flex; gap: 8px; }
.z9-sources__key { color: var(--z9-brick); }

.z9-tablewrap { overflow-x: auto; border: 1px solid var(--z9-line); }
.z9-table { width: 100%; font-size: 14.5px; }
.z9-table th,
.z9-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--z9-line); }
.z9-table thead th {
  font-family: var(--z9-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--z9-mist);
}
.z9-table tbody tr:last-child td { border-bottom: 0; }
.z9-table td.z9-num { font-family: var(--z9-font-mono); font-variant-numeric: tabular-nums; color: var(--z9-cyan); }

/* ---------- 图像容器 ---------- */
.z9-figure { display: flex; flex-direction: column; gap: 10px; margin: 0; }
.z9-figure__media {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--z9-line);
  background: linear-gradient(150deg, #0F2A22 0%, #123A30 48%, #17120E 100%);
}
.z9-figure__media img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.z9-figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(59, 240, 200, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 240, 200, .09) 1px, transparent 1px);
  background-size: 32px 32px;
}
.z9-figure__media--wide { aspect-ratio: 16 / 9; }
.z9-figure__media--band { aspect-ratio: 21 / 9; }
.z9-figure__media--square { aspect-ratio: 1 / 1; }
.z9-figure__media--tall { aspect-ratio: 3 / 4; }
.z9-figure__caption {
  font-family: var(--z9-font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--z9-mist);
}

/* ---------- 显现 ---------- */
.z9-js [data-reveal] { opacity: 0; transform: translateY(14px); }
[data-reveal="in"] {
  opacity: 1;
  transform: none;
  transition: opacity 520ms var(--z9-ease), transform 520ms var(--z9-ease);
}

/* ---------- 响应式收口 ---------- */
@media (max-width: 700px) {
  :root { --z9-gutter: 32px; }
  .z9-section { padding: 52px 0; }
  .z9-section--tight { padding: 34px 0; }
  .z9-panel { padding: 20px 18px; }
  .z9-footer__inner { padding: 48px 0 36px; }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
  }
  .z9-js [data-reveal] { opacity: 1; transform: none; }
  .z9-nav { transition: none; }
}