/* =========================================================
   军体育赛事 · 共享样式 /assets/site.css
   暗夜黑基底 + 军绿结构 + 信号橙 / 荧光青强调
   ========================================================= */

/* ---------- 1. 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, dl, dd, dt,
figure, blockquote, fieldset {
  margin: 0;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button { background: none; border: 0; cursor: pointer; }

a { color: inherit; text-decoration: none; }

table { border-collapse: collapse; border-spacing: 0; }

[hidden] { display: none !important; }

/* ---------- 2. 变量 ---------- */
:root {
  /* 色彩体系 */
  --c-ink: #0A0E0B;          /* 暗夜黑：全站基底 */
  --c-tactical: #16261A;     /* 深军绿：分区底板 */
  --c-moss: #2C4A33;         /* 军绿：品牌主色 */
  --c-sage: #6E8570;         /* 苔绿灰：次级文字 */
  --c-signal: #FF6A1A;       /* 信号橙：主强调 */
  --c-cyan: #4CE0C0;         /* 荧光青：数据强调 */
  --c-paper: #EFE6D4;        /* 战地纸：长文页底 */
  --c-paper-ink: #1E1A13;    /* 纸面深棕 */
  --c-white: #F4F7F3;        /* 高光白 */
  --c-alert: #C8462F;        /* 警戒红 */
  --c-umber: #7A3A17;        /* 深橙棕 */

  --c-line: rgba(110, 133, 112, 0.28);
  --c-line-strong: rgba(110, 133, 112, 0.52);
  --c-surface: #0F150F;
  --c-text: rgba(244, 247, 243, 0.86);
  --c-text-dim: rgba(244, 247, 243, 0.68);

  /* 字体 */
  --font-display: "Oswald", "Barlow Condensed", "Arial Narrow", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;

  /* 尺度 */
  --wrap: 1320px;
  --pad-x: 20px;
  --gutter: 24px;
  --header-h: 64px;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --pill: 999px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --stack-gap: 16px;
}

@media (min-width: 900px) {
  :root { --pad-x: 72px; --header-h: 72px; }
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--c-ink);
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.6rem, 7vw, 5.4rem); letter-spacing: 0.005em; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { text-wrap: pretty; }

strong { color: var(--c-white); font-weight: 600; }

::selection {
  background: var(--c-signal);
  color: #170B03;
}

/* ---------- 4. 焦点与可访问 ---------- */
:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
  border-radius: 6px;
}

:focus:not(:focus-visible) { outline: none; }

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 12px 18px;
  border-radius: var(--pill);
  background: var(--c-cyan);
  color: #06231D;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- 5. 布局工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section { padding-block: clamp(48px, 7vw, 96px); }
.section--tight { padding-block: clamp(32px, 4vw, 56px); }
.section--panel { background-color: var(--c-tactical); }
.section--ink { background-color: var(--c-ink); }

.section--paper {
  background-color: var(--c-paper);
  color: var(--c-paper-ink);
}

.section--paper .kicker,
.section--paper .idx { color: var(--c-umber); }

.section--paper a {
  color: var(--c-umber);
  border-bottom: 1px solid rgba(122, 58, 23, 0.4);
}

.section--paper a:hover {
  color: var(--c-signal);
  border-bottom-color: var(--c-signal);
}

.slice-top {
  clip-path: polygon(0 clamp(18px, 4vw, 56px), 100% 0, 100% 100%, 0 100%);
  padding-top: clamp(38px, 6vw, 80px);
}

.slice-bottom {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - clamp(18px, 4vw, 56px)), 0 100%);
  padding-bottom: clamp(38px, 6vw, 80px);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gutter);
}

@media (min-width: 720px) {
  .grid-12 { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}

@media (min-width: 1080px) {
  .grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

.span-full { grid-column: 1 / -1; }

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--stack-gap);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

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

/* ---------- 6. 文字与标签 ---------- */
.kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  line-height: 1.4;
  color: var(--c-cyan);
  text-transform: uppercase;
}

.idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-sage);
}

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

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

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.7;
  color: inherit;
  opacity: 0.9;
  max-width: 34em;
}

.prose {
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.78;
  color: inherit;
}

.prose p + p { margin-top: 1em; }
.prose h2 { margin-top: 1.6em; margin-bottom: 0.5em; }
.prose h3 { margin-top: 1.4em; margin-bottom: 0.4em; }
.prose ul { margin-top: 0.8em; list-style: none; }
.prose li { position: relative; padding-left: 1.4em; margin-top: 0.4em; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.72em;
  width: 8px; height: 2px;
  background: var(--c-signal);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 4px 12px;
  border-radius: var(--pill);
  border: 1px solid var(--c-line-strong);
  background-color: rgba(22, 38, 26, 0.6);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.4;
  color: var(--c-sage);
}

.pill--signal { border-color: rgba(255, 106, 26, 0.5); color: var(--c-signal); }
.pill--cyan { border-color: rgba(76, 224, 192, 0.42); color: var(--c-cyan); }
.pill--alert { border-color: rgba(200, 70, 47, 0.5); color: var(--c-alert); }

.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background-color: var(--c-sage);
}

.status-dot--live {
  background-color: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(76, 224, 192, 0.16);
}

.status-dot--alert { background-color: var(--c-alert); }

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  background-color: transparent;
  color: var(--c-white);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
              border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn--signal {
  background-color: var(--c-signal);
  border-color: var(--c-signal);
  color: #170B03;
}

.btn--signal:hover { background-color: #FF8244; border-color: #FF8244; }

.btn--moss {
  background-color: var(--c-moss);
  border-color: rgba(244, 247, 243, 0.14);
  color: var(--c-white);
}

.btn--moss:hover { background-color: #375C40; }

.btn--ghost {
  border-color: var(--c-line-strong);
  color: var(--c-white);
}

.btn--ghost:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background-color: rgba(76, 224, 192, 0.08);
}

.btn--sm { min-height: 40px; padding: 0 16px; font-size: 0.84rem; }
.btn--lg { min-height: 54px; padding: 0 28px; font-size: 1.05rem; }
.btn--block { width: 100%; }

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ---------- 8. 卡片 / 表格 / 数据 ---------- */
.card {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background-color: var(--c-tactical);
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.03em;
}

.card__body { font-size: 15px; color: var(--c-text); }

.data-table__scroll {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  background-color: var(--c-surface);
}

.data-table {
  width: 100%;
  min-width: 520px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.data-table th {
  padding: 12px 14px;
  background-color: var(--c-moss);
  color: var(--c-white);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-text);
}

.data-table tbody tr:nth-child(even) { background-color: rgba(22, 38, 26, 0.55); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table .num { text-align: right; }

.meter {
  height: 6px;
  border-radius: var(--pill);
  background-color: rgba(110, 133, 112, 0.25);
  overflow: hidden;
}

.meter__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background-color: var(--c-cyan);
}

.meter__fill--signal { background-color: var(--c-signal); }
.meter__fill--alert { background-color: var(--c-alert); }

.scanline {
  position: relative;
  overflow: hidden;
}

.scanline::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(76, 224, 192, 0.14), transparent);
  transform: translateX(-100%);
  animation: jc-scan 7s linear infinite;
}

@keyframes jc-scan {
  to { transform: translateX(100%); }
}

/* ---------- 9. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background-color: var(--c-tactical);
  background-image: linear-gradient(135deg, rgba(44, 74, 51, 0.55), rgba(10, 14, 11, 0.92));
}

.media-frame > img,
.media-frame > picture {
  width: 100%;
  height: 100%;
  display: block;
}

.media-frame > img,
.media-frame > picture > img {
  object-fit: cover;
  filter: saturate(0.72) contrast(1.12) brightness(0.94);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.6;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(244, 247, 243, 0.05) 0 1px,
    transparent 1px 4px
  );
}

.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--3x2 { aspect-ratio: 3 / 2; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }

.media-frame--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-frame--placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(90deg, rgba(110, 133, 112, 0.18) 1px, transparent 1px),
    linear-gradient(180deg, rgba(110, 133, 112, 0.18) 1px, transparent 1px);
  background-size: 32px 32px;
}

.media-frame__label {
  position: relative;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(244, 247, 243, 0.6);
}

.media-frame__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid rgba(76, 224, 192, 0.4);
  border-radius: var(--pill);
  background-color: rgba(10, 14, 11, 0.78);
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 16px 18px;
  background: linear-gradient(180deg, transparent, rgba(6, 9, 7, 0.92));
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

/* ---------- 10. 面包屑 ---------- */
.breadcrumbs {
  padding-block: 18px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: clamp(24px, 4vw, 48px);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-sage);
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: rgba(110, 133, 112, 0.6);
}

.breadcrumbs__link {
  color: rgba(244, 247, 243, 0.72);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.breadcrumbs__link:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

/* ---------- 11. 命令栏头部 ---------- */
.cmd-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background-color: var(--c-ink);
  background-color: rgba(10, 14, 11, 0.94);
  border-bottom: 1px solid var(--c-line);
  backdrop-filter: blur(10px) saturate(1.1);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.cmd-header[data-scrolled="true"] {
  background-color: rgba(10, 14, 11, 0.985);
  border-bottom-color: var(--c-line-strong);
}

.cmd-header__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  min-height: var(--header-h);
  padding: 8px var(--pad-x);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  min-height: 44px;
  padding: 2px 0;
}

.brand__glyph {
  position: relative;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(150deg, var(--c-signal) 0 52%, var(--c-moss) 52% 100%);
  box-shadow: inset 0 0 0 1px rgba(244, 247, 243, 0.18);
}

.brand__glyph::after {
  content: "";
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 9px;
  height: 2px;
  border-radius: 1px;
  background-color: var(--c-cyan);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.brand__mark {
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.15;
  color: var(--c-white);
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  line-height: 1.3;
  color: var(--c-sage);
  white-space: nowrap;
  transition: opacity 0.25s var(--ease);
}

.cmd-header[data-scrolled="true"] .brand__tag { opacity: 0; }

.brand--footer .brand__mark { font-size: 1.35rem; }

/* 导航：移动端抽屉 */
.cmd-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 85;
  padding: 12px var(--pad-x) 24px;
  max-height: calc(100vh - var(--header-h));
  overflow: auto;
  background-color: var(--c-tactical);
  border-bottom: 1px solid var(--c-line-strong);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}

.cmd-nav[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.cmd-nav__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cmd-nav__item { width: 100%; }

.cmd-nav__link {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 10px 14px;
  border-left: 3px solid transparent;
  border-radius: var(--radius-md);
  color: rgba(244, 247, 243, 0.82);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
              border-color 0.2s var(--ease);
}

.cmd-nav__link:hover {
  background-color: rgba(44, 74, 51, 0.6);
  color: var(--c-white);
}

.cmd-nav__link[aria-current="page"] {
  background-color: rgba(44, 74, 51, 0.78);
  border-left-color: var(--c-signal);
  color: var(--c-white);
}

.cmd-nav__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--c-cyan);
}

/* 导航：桌面内联 */
@media (min-width: 1080px) {
  .cmd-nav {
    position: static;
    display: block;
    flex: 1 1 auto;
    margin-inline: 12px;
    padding: 0;
    max-height: none;
    overflow: visible;
    background-color: transparent;
    border: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .cmd-nav__list {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 2px;
  }

  .cmd-nav__link {
    gap: 6px;
    min-height: 44px;
    padding: 8px 12px;
    border-left: 0;
    border-radius: var(--pill);
    font-size: 0.96rem;
  }

  .cmd-nav__link[aria-current="page"] {
    box-shadow: inset 0 -2px 0 var(--c-signal);
  }
}

/* 工具栏 */
.cmd-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex: 0 0 auto;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--pill);
  background-color: rgba(22, 38, 26, 0.7);
  color: rgba(244, 247, 243, 0.8);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease),
              background-color 0.2s var(--ease);
}

.icon-btn:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background-color: rgba(76, 224, 192, 0.08);
}

.icon-btn__glyph {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.icon-btn__glyph::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -4px;
  width: 7px;
  height: 1.5px;
  border-radius: 1px;
  background-color: currentColor;
  transform: rotate(45deg);
}

.ver-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--c-line);
  border-radius: var(--pill);
  background-color: rgba(22, 38, 26, 0.9);
}

.ver-switch__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: var(--pill);
  color: var(--c-sage);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.ver-switch__btn:hover { color: var(--c-white); }

.ver-switch__btn[aria-pressed="true"] {
  background-color: var(--c-moss);
  color: var(--c-white);
}

.ver-switch__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: rgba(110, 133, 112, 0.7);
  transition: background-color 0.2s var(--ease);
}

.ver-switch__btn[aria-pressed="true"] .ver-switch__dot { background-color: var(--c-signal); }

.ver-switch__state {
  padding: 0 8px 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  white-space: nowrap;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid rgba(244, 247, 243, 0.14);
  border-radius: var(--pill);
  background-color: var(--c-moss);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 11px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 1px;
  background-color: currentColor;
  transition: transform 0.2s var(--ease), top 0.2s var(--ease), bottom 0.2s var(--ease);
}

.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 4.5px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  bottom: 4.5px;
  transform: rotate(-45deg);
}

@media (min-width: 1080px) {
  .nav-toggle { display: none; }
}

/* 站点索引面板 */
.cmd-panel {
  position: absolute;
  top: 100%;
  right: var(--pad-x);
  z-index: 90;
  width: min(560px, calc(100vw - (var(--pad-x) * 2)));
  padding: 20px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-lg);
  background-color: var(--c-tactical);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
}

.cmd-panel[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.cmd-panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}

.cmd-panel__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.cmd-panel__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-sage);
  white-space: nowrap;
}

.cmd-panel__input {
  width: 100%;
  min-height: 48px;
  margin-bottom: 12px;
  padding: 0 16px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-md);
  background-color: rgba(10, 14, 11, 0.8);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  appearance: none;
  -webkit-appearance: none;
}

.cmd-panel__input::placeholder { color: rgba(110, 133, 112, 0.9); }

.cmd-panel__input:focus-visible {
  border-color: var(--c-cyan);
  outline-offset: 0;
}

.cmd-panel__list {
  display: grid;
  gap: 2px;
  max-height: min(52vh, 360px);
  overflow: auto;
}

.cmd-panel__link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 8px 12px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-md);
  color: rgba(244, 247, 243, 0.85);
  font-size: 0.95rem;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
              border-color 0.2s var(--ease);
}

.cmd-panel__link:hover {
  background-color: rgba(44, 74, 51, 0.65);
  border-left-color: var(--c-signal);
  color: var(--c-white);
}

.cmd-panel__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.cmd-panel__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--c-sage);
}

.cmd-panel__empty {
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-sage);
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 128px);
  padding-top: clamp(38px, 6vw, 72px);
  background-color: var(--c-tactical);
  border-top: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% clamp(20px, 4vw, 56px), 100% 100%, 0 100%);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(28px, 4vw, 48px) var(--pad-x) clamp(32px, 4vw, 48px);
}

.site-footer__pitch {
  margin-top: 16px;
  max-width: 32em;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--c-text-dim);
}

.site-footer__badge { margin-top: 18px; }

.site-footer__col-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--c-sage);
}

.site-footer__list { display: grid; }

.site-footer__link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 0.95rem;
  color: rgba(244, 247, 243, 0.78);
  border-bottom: 1px solid rgba(110, 133, 112, 0.16);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.site-footer__link:hover {
  color: var(--c-cyan);
  padding-left: 6px;
}

.site-footer__contact-list { display: grid; gap: 10px; }

.site-footer__contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--c-text);
  word-break: break-word;
}

.site-footer__contact-key {
  padding: 2px 9px;
  border: 1px solid rgba(76, 224, 192, 0.35);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.site-footer__note {
  margin-top: 16px;
  max-width: 34em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-sage);
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 20px var(--pad-x) clamp(32px, 5vw, 56px);
  border-top: 1px solid rgba(110, 133, 112, 0.24);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-sage);
}

@media (min-width: 720px) {
  .site-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__nav {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--gutter);
  }
}

@media (min-width: 1080px) {
  .site-footer__inner {
    grid-template-columns: 1.5fr 2.4fr 1.5fr;
    align-items: start;
  }
  .site-footer__brand { grid-column: auto; }
  .site-footer__nav { grid-column: auto; }
  .site-footer__contact { align-self: start; }
}

/* ---------- 13. 滚动显现 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.44s var(--ease), transform 0.44s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.js [data-reveal="in"] {
  opacity: 1;
  transform: none;
}

/* ---------- 14. 窄屏收敛 ---------- */
@media (max-width: 1080px) {
  .cmd-header { position: sticky; }
}

@media (max-width: 600px) {
  .icon-btn { padding: 0 12px; }
  .icon-btn__label { display: none; }
  .ver-switch__state { display: none; }
}

@media (max-width: 460px) {
  .brand__tag { display: none; }
  .cmd-tools__cta { display: none; }
  .cmd-panel { padding: 16px; border-radius: var(--radius-md); }
}

/* ---------- 15. 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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

  .scanline::after { display: none; }

  .skip-link { transition: none; }
}