/* ==========================================================================
   澳门体育数据 · 共享样式 /assets/site.css
   基础重置 · 变量 · 中文排版 · 头部 · 页脚 · 通用组件
   ========================================================================== */

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

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

body { margin: 0; }

h1, h2, h3, h4, h5, p, figure, blockquote { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

img, svg, video, canvas { display: block; max-width: 100%; }

button { font: inherit; color: inherit; background: none; border: 0; }

input { font: inherit; }

a { color: inherit; }

[hidden] { display: none !important; }

body.nav-open { overflow: hidden; }

/* ---------- Design tokens ---------- */
:root {
  --ink-900: #06101F;
  --ink-800: #0B1D33;
  --ink-700: #122D4A;
  --rose: #FF3D7F;
  --rose-soft: #FF7AA8;
  --mint: #5FE3C3;
  --mint-soft: #A8F5E3;
  --gold: #E8B86D;
  --ice: #EAF2FF;
  --mist: #8FA6C4;
  --alert: #FF8A5C;
  --ok: #7BE495;

  --line: rgba(234, 242, 255, 0.12);
  --line-strong: rgba(234, 242, 255, 0.22);
  --panel: rgba(18, 45, 74, 0.72);

  --cut: 16px;
  --gap: 24px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 32px;
  --space-4: 64px;
  --space-5: 96px;

  --wrap: 1440px;
  --shell-pad: clamp(16px, 3vw, 40px);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Roboto Mono", "IBM Plex Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.24s;
}

/* ---------- Base typography ---------- */
body {
  background-color: var(--ink-900);
  color: var(--ice);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ice);
}

h1 { font-size: clamp(40px, 7vw, 96px); font-weight: 300; letter-spacing: -0.03em; }
h2 { font-size: clamp(26px, 3.4vw, 44px); font-weight: 500; }
h3 { font-size: clamp(19px, 2vw, 24px); font-weight: 700; }
h4 { font-size: 17px; font-weight: 700; }

p { font-size: 16.5px; }

a { text-decoration-color: rgba(95, 227, 195, 0.5); text-underline-offset: 3px; }

::selection { background: rgba(255, 61, 127, 0.4); color: #fff; }

/* ---------- Accessibility helpers ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

:where(a, button, input, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
}

.section { padding-block: clamp(48px, 6vw, var(--space-5)); }
.section--tight { padding-block: clamp(32px, 4vw, var(--space-4)); }

.grid { display: grid; gap: var(--gap); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--split { grid-template-columns: minmax(0, 58fr) minmax(0, 42fr); }

.prose { max-width: 72ch; }
.prose > * + * { margin-top: 1em; }
.prose p { line-height: 1.8; }
.prose ul { list-style: disc; padding-left: 1.3em; }
.prose ol { list-style: decimal; padding-left: 1.4em; }
.prose li { margin-block: 0.35em; }
.prose h2 { margin-top: 1.6em; font-size: clamp(24px, 2.6vw, 34px); }
.prose h3 { margin-top: 1.4em; }
.prose strong { color: #fff; font-weight: 700; }

.index-rail {
  position: sticky;
  top: 120px;
  align-self: start;
  display: grid;
  gap: 10px;
  padding-right: var(--gap);
  border-right: 1px solid var(--line);
}

.index-rail__link {
  display: block;
  padding: 4px 0;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.index-rail__link:hover,
.index-rail__link[aria-current="true"] { color: var(--mint); }

/* ---------- Index labels ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: currentColor;
  flex: none;
}

.index-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(143, 166, 196, 0.85);
  text-transform: uppercase;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(95, 227, 195, 0.16);
}

.status-dot--rose { background: var(--rose); box-shadow: 0 0 0 3px rgba(255, 61, 127, 0.18); }
.status-dot--gold { background: var(--gold); box-shadow: 0 0 0 3px rgba(232, 184, 109, 0.18); }
.status-dot--alert { background: var(--alert); box-shadow: 0 0 0 3px rgba(255, 138, 92, 0.18); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 18px var(--shell-pad) 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; }

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(143, 166, 196, 0.45);
}

.breadcrumbs a { color: var(--mist); text-decoration: none; }
.breadcrumbs a:hover { color: var(--mint); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 11px 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ice);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.btn:hover {
  background: rgba(95, 227, 195, 0.12);
  border-color: rgba(95, 227, 195, 0.6);
  color: var(--mint-soft);
  transform: translateY(-2px);
}

.btn--ghost {
  border-color: rgba(95, 227, 195, 0.4);
  color: var(--mint-soft);
  background: rgba(95, 227, 195, 0.06);
}

.btn--rose {
  border-color: transparent;
  background: linear-gradient(100deg, var(--rose), var(--rose-soft));
  color: #0A0F1A;
  font-weight: 700;
}

.btn--rose:hover {
  background: linear-gradient(100deg, var(--rose-soft), var(--rose));
  color: #0A0F1A;
}

.btn--mint {
  border-color: transparent;
  background: linear-gradient(100deg, var(--mint), var(--mint-soft));
  color: #04121C;
  font-weight: 700;
}

.btn--mint:hover { color: #04121C; background: linear-gradient(100deg, var(--mint-soft), var(--mint)); }

/* ---------- Chips / tags ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 5px 13px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--mist);
  background: rgba(18, 45, 74, 0.55);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.chip:hover { color: var(--ice); border-color: rgba(95, 227, 195, 0.5); }

.chip[aria-pressed="true"],
.chip[aria-selected="true"] {
  color: var(--mint-soft);
  border-color: var(--mint);
  background: rgba(95, 227, 195, 0.14);
}

.tag {
  display: inline-block;
  padding: 2px 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid rgba(232, 184, 109, 0.35);
  border-radius: 2px;
  text-transform: uppercase;
}

/* ---------- Cut panels ---------- */
.cut-panel {
  position: relative;
  padding: clamp(18px, 2vw, 28px);
  background: linear-gradient(152deg, rgba(18, 45, 74, 0.92), rgba(11, 29, 51, 0.94));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.divider-slash {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(232, 184, 109, 0.45) 12%,
    rgba(234, 242, 255, 0.18) 55%,
    transparent
  );
}

/* ---------- Media frame（页面阶段放置图片占位） ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--ink-800);
  background-image:
    radial-gradient(120% 120% at 12% 8%, rgba(95, 227, 195, 0.16), transparent 55%),
    radial-gradient(110% 110% at 88% 92%, rgba(255, 61, 127, 0.18), transparent 60%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--thumb { aspect-ratio: 4 / 3; }
.media-frame--portrait { aspect-ratio: 3 / 4; }

.media-frame img,
.media-frame video,
.media-frame picture {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(95, 227, 195, 0.18);
}

/* ---------- Reveal（可选渐显协议） ---------- */
.reveal { transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.has-js .reveal { opacity: 0; transform: translateY(14px); }
.has-js .reveal.is-in { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   头部：紧凑命令栏
   ========================================================================== */
.cmd-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: linear-gradient(180deg, rgba(11, 29, 51, 0.97), rgba(6, 16, 31, 0.96));
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -72px;
  z-index: 200;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  color: #04121C;
  background: var(--mint);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: top 0.18s var(--ease);
}

.skip-link:focus { top: 10px; }

.cmd-header__bar {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 24px);
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 10px var(--shell-pad);
  min-height: 64px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  padding: 4px 2px;
  color: var(--ice);
  text-decoration: none;
}

.brand__mark {
  width: 28px;
  height: 28px;
  flex: none;
  background: linear-gradient(135deg, var(--rose), var(--rose-soft) 52%, var(--mint));
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
  box-shadow: 0 0 0 1px rgba(255, 61, 127, 0.32), 0 0 18px rgba(255, 61, 127, 0.28);
}

.brand__text { display: grid; gap: 1px; }

.brand__name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--ice);
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  line-height: 1.2;
  color: var(--mist);
  text-transform: uppercase;
}

/* 导航 */
.site-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
  min-width: 0;
}

.site-nav__item { flex: none; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 11px;
  font-size: 14px;
  font-weight: 500;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  border-radius: 2px;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.site-nav__link:hover {
  color: var(--ice);
  background: rgba(95, 227, 195, 0.08);
}

.site-nav__index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(143, 166, 196, 0.6);
  transition: color var(--dur) var(--ease);
}

.site-nav__link[aria-current="page"] { color: var(--ice); font-weight: 700; }

.site-nav__link[aria-current="page"] .site-nav__index { color: var(--rose); }

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 3px;
  height: 2px;
  background: linear-gradient(90deg, var(--rose), var(--mint));
  clip-path: polygon(0 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}

.site-nav__meta {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-transform: uppercase;
}

/* 工具区 */
.cmd-header__tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex: none;
}

.cmd-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ice);
  background: rgba(18, 45, 74, 0.7);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.cmd-btn:hover {
  border-color: rgba(95, 227, 195, 0.55);
  background: rgba(95, 227, 195, 0.1);
  color: var(--mint-soft);
}

.cmd-btn__icon {
  position: relative;
  width: 12px;
  height: 12px;
  flex: none;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  opacity: 0.85;
}

.cmd-btn__icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 6px;
  height: 1.5px;
  background: currentColor;
  transform: rotate(45deg);
}

.cmd-btn__label { line-height: 1; }

.cmd-btn__kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  padding: 1px 5px;
  line-height: 1.5;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 44px;
  color: var(--ice);
  background: rgba(18, 45, 74, 0.7);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.nav-toggle:hover { border-color: rgba(95, 227, 195, 0.55); background: rgba(95, 227, 195, 0.1); }

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 18px;
}

.nav-toggle__bar {
  display: block;
  height: 1.5px;
  width: 100%;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

.nav-toggle__text {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* 状态带 */
.cmd-header__status {
  border-top: 1px solid var(--line);
  background: rgba(6, 16, 31, 0.62);
}

.cmd-header__status-inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 28px);
  flex-wrap: wrap;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 6px var(--shell-pad);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-transform: uppercase;
}

.cmd-header__status-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.cmd-header__status-item--push { margin-left: auto; color: rgba(143, 166, 196, 0.75); }

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}

.scroll-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--rose), var(--mint) 62%, var(--gold));
  transition: transform 0.12s linear;
}

/* 检索面板 */
.command-panel {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 120;
  padding: clamp(16px, 9vh, 104px) var(--shell-pad) var(--shell-pad);
  overflow-y: auto;
  background: rgba(3, 8, 16, 0.78);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.command-panel[data-open] { display: block; }

.command-panel__box {
  width: min(560px, 100%);
  margin-inline: auto;
  padding: 18px;
  background: linear-gradient(160deg, #0B1D33, #06101F 62%);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  animation: cp-in 0.18s var(--ease);
}

@keyframes cp-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.command-panel__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.command-panel__hint + .command-panel__hint { margin: 12px 0 0; }

.command-panel__input {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  color: var(--ice);
  background: rgba(6, 16, 31, 0.85);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font-size: 15px;
}

.command-panel__input::placeholder { color: rgba(143, 166, 196, 0.8); }

.command-panel__input:focus {
  outline: none;
  border-color: var(--mint);
  box-shadow: 0 0 0 2px rgba(95, 227, 195, 0.2);
}

.command-panel__list {
  margin-top: 12px;
  max-height: min(52vh, 380px);
  overflow-y: auto;
}

.command-panel__item { display: block; }

.command-panel__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 10px;
  font-size: 14.5px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    padding-left var(--dur) var(--ease);
}

.command-panel__link:hover,
.command-panel__link:focus-visible {
  padding-left: 16px;
  color: var(--mint);
  background: rgba(95, 227, 195, 0.1);
}

.command-panel__route {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.command-panel__empty {
  margin-top: 14px;
  padding: 12px;
  font-size: 13px;
  color: var(--alert);
  border: 1px dashed rgba(255, 138, 92, 0.4);
  border-radius: 2px;
}

/* ==========================================================================
   页脚：分层研究板
   ========================================================================== */
.site-footer {
  position: relative;
  margin-top: var(--space-5);
  overflow: hidden;
  background: linear-gradient(180deg, #06101F, #0B1D33 46%, #06101F);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    115deg,
    transparent 0 38px,
    rgba(143, 166, 196, 0.07) 38px 39px
  );
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 68%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 68%);
}

.site-footer__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 1.15fr) minmax(0, 2fr) minmax(240px, 1fr);
  gap: clamp(28px, 4vw, 56px);
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(40px, 5vw, 64px) var(--shell-pad) clamp(28px, 3vw, 40px);
}

.site-footer__brand-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.site-footer__brand-sub {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mint);
  text-transform: uppercase;
}

.site-footer__sync {
  margin-top: 16px;
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.site-footer__cta { margin-top: 20px; }

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.site-footer__col-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
}

.site-footer__links { display: grid; gap: 9px; }

.site-footer__link {
  display: inline-block;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.site-footer__link:hover {
  color: var(--ice);
  transform: translateX(3px);
}

.site-footer__contact-list { display: grid; }

.contact-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.contact-item__key {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}

.contact-item__value {
  font-size: 13.5px;
  color: var(--ice);
  line-height: 1.6;
  word-break: break-word;
}

.site-footer__note {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.site-footer__base {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 16px var(--shell-pad) calc(24px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
}

.site-footer__legal {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.site-footer__base-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.site-footer__base-links .site-footer__link { font-size: 11px; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) and (min-width: 1025px) {
  .site-nav__link { padding: 10px 8px; font-size: 13px; gap: 5px; }
  .site-nav__link[aria-current="page"]::after { left: 8px; right: 8px; }
}

@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; }
  .cmd-btn__kbd { display: none; }
  .cmd-header__bar { min-height: 58px; }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 110;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-end;
    background: rgba(4, 10, 20, 0.74);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s var(--ease), visibility 0.22s var(--ease);
  }

  .site-nav__list {
    width: 100%;
    display: grid;
    gap: 0;
    padding: 12px var(--shell-pad) 8px;
    background: linear-gradient(180deg, rgba(18, 45, 74, 0.98), rgba(6, 16, 31, 0.99));
    border-top: 1px solid rgba(95, 227, 195, 0.35);
    transform: translateY(18px);
    transition: transform 0.26s var(--ease);
  }

  .site-nav__item { flex: none; }

  .site-nav__link {
    display: flex;
    justify-content: flex-start;
    gap: 12px;
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .site-nav__link:hover { background: rgba(95, 227, 195, 0.07); }

  .site-nav__index { width: 22px; flex: none; }

  .site-nav__link[aria-current="page"]::after {
    left: 4px;
    right: auto;
    width: 26px;
    bottom: -1px;
  }

  .site-nav__meta {
    display: block;
    padding: 12px var(--shell-pad) calc(20px + env(safe-area-inset-bottom));
    text-align: center;
    background: linear-gradient(180deg, rgba(6, 16, 31, 0.99), rgba(6, 16, 31, 0.99));
  }

  .cmd-header[data-open] .site-nav { opacity: 1; visibility: visible; }
  .cmd-header[data-open] .site-nav__list { transform: translateY(0); }

  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .site-footer__brand { grid-column: 1 / -1; }

  .grid--12,
  .grid--split { grid-template-columns: minmax(0, 1fr); }

  .index-rail {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 12px;
  }
}

@media (max-width: 760px) {
  .cmd-header__status { display: none; }
  .scroll-progress { bottom: 0; }
}

@media (max-width: 640px) {
  h1 { font-size: clamp(34px, 10vw, 52px); }
  p { font-size: 16px; }

  .brand__sub { display: none; }

  .site-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .site-footer__cols { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .site-footer__contact-list { max-width: 100%; }

  .site-footer__base { flex-direction: column; align-items: flex-start; }
  .site-footer__base-links { margin-left: 0; }

  .command-panel { padding-top: 24px; }
}

/* ---------- 高对比 ---------- */
@media (prefers-contrast: more) {
  :root {
    --line: rgba(234, 242, 255, 0.28);
    --line-strong: rgba(234, 242, 255, 0.48);
    --mist: #B6C6DC;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  html { scroll-behavior: auto; }

  .scroll-progress__bar { transition: none; }

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

  .btn:hover,
  .site-footer__link:hover { transform: none; }
}