/* ==========================================================================
   NG体育 — 共享样式 /assets/site.css
   夜场数据指挥中心：深墨绿基底 + 荧光青数据层 + 红黄牌语义色
   目录：01 变量 / 02 重置 / 03 排版与骨架 / 04 组件 / 05 页头 / 06 页脚 / 07 响应式
   ========================================================================== */

/* 01 变量 ---------------------------------------------------------------- */
:root {
  --ink-900: #06231C;
  --ink-800: #0B3A2E;
  --ink-700: #0F4B3B;
  --line: #2A3532;
  --line-soft: rgba(156, 246, 228, 0.16);
  --cyan: #4CF3D0;
  --cyan-soft: #9CF6E4;
  --paper: #F2EFE6;
  --shell: #E8E2D4;
  --char: #0A0F0D;
  --red: #E23B3B;
  --amber: #F2C230;
  --muted: rgba(242, 239, 230, 0.68);
  --muted-2: rgba(242, 239, 230, 0.46);

  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", "JetBrains Mono", "Cascadia Mono",
    Menlo, Consolas, "Liberation Mono", "Courier New", monospace;

  --shell-max: 82.5rem;
  --gutter: clamp(1.125rem, 4vw, 2.75rem);
  --header-h: 4.25rem;

  --radius-s: 2px;
  --radius-m: 4px;
  --radius-l: 10px;

  --ease: cubic-bezier(0.22, 0.72, 0.28, 1);
  --shadow-lift: 0 18px 44px -26px rgba(0, 0, 0, 0.92);
}

/* 02 重置 ---------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.25rem);
}

body {
  margin: 0;
  background-color: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }

ul, ol { margin: 0; padding: 0; }

img, picture, svg, video { max-width: 100%; }

img { height: auto; display: block; }

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

a { color: var(--cyan); text-decoration: none; }

a:hover { color: var(--cyan-soft); }

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

::selection {
  background: var(--cyan);
  color: var(--ink-900);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}

/* 03 排版与骨架 ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(2.5rem, 6vw, 5rem); }

.section--tint { background-color: var(--ink-800); }

.section--paper {
  background-color: var(--shell);
  color: var(--char);
}

.section--paper a { color: #0A6B58; }
.section--paper a:hover { color: var(--char); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 1.4rem;
  height: 1px;
  background: currentColor;
  opacity: 0.75;
}

.section--paper .eyebrow { color: #0A6B58; }

.grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.grid--split {
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  align-items: start;
}

.prose {
  max-width: 44rem;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: rgba(242, 239, 230, 0.88);
}

.prose > * + * { margin-top: 1.15em; }

.prose h2,
.prose h3 {
  color: var(--paper);
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose h3 { font-size: 1.12rem; margin-top: 1.6em; }

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(76, 243, 208, 0.42);
  text-underline-offset: 3px;
}

.prose a:hover { text-decoration-color: var(--cyan); }

.prose ul,
.prose ol { padding-left: 1.25rem; }

.prose li + li { margin-top: 0.4em; }

.prose strong { color: var(--paper); }

.prose blockquote {
  margin: 1.6em 0;
  padding: 0.2em 0 0.2em 1.1rem;
  border-left: 2px solid var(--cyan);
  color: var(--cyan-soft);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(76, 243, 208, 0.1);
  padding: 0.1em 0.4em;
  border-radius: var(--radius-s);
}

.section--paper .prose { color: rgba(10, 15, 13, 0.86); }

.section--paper .prose h2,
.section--paper .prose h3,
.section--paper .prose strong { color: var(--char); }

.section--paper .prose a { color: #0A6B58; }

/* 04 组件 ---------------------------------------------------------------- */
.btn {
  --btn-bg: var(--cyan);
  --btn-fg: var(--ink-900);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.15rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--btn-fg);
  background-color: var(--btn-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-m);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease),
    background-color 0.16s var(--ease), color 0.16s var(--ease),
    border-color 0.16s var(--ease);
}

.btn:hover {
  color: var(--btn-fg);
  background-color: var(--btn-bg);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px -14px rgba(76, 243, 208, 0.9);
}

.btn:active { transform: translateY(0); }

.btn--sm {
  padding: 0.5rem 0.85rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--paper);
  border-color: rgba(156, 246, 228, 0.34);
}

.btn--ghost:hover {
  color: var(--cyan);
  background-color: rgba(76, 243, 208, 0.1);
  border-color: var(--cyan);
  box-shadow: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: var(--radius-s);
  border: 1px solid rgba(156, 246, 228, 0.34);
  color: var(--cyan-soft);
  background-color: rgba(76, 243, 208, 0.08);
  white-space: nowrap;
}

.tag--solid {
  background-color: var(--cyan);
  border-color: transparent;
  color: var(--ink-900);
}

.tag--red {
  border-color: rgba(226, 59, 59, 0.55);
  background-color: rgba(226, 59, 59, 0.14);
  color: #FF9B9B;
}

.tag--amber {
  border-color: rgba(242, 194, 48, 0.55);
  background-color: rgba(242, 194, 48, 0.14);
  color: #F7DA7E;
}

.panel {
  background-color: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
}

.panel--glass {
  background-image: linear-gradient(180deg, rgba(11, 58, 46, 0.72), rgba(6, 35, 28, 0.62));
  border-color: var(--line-soft);
  backdrop-filter: blur(12px) saturate(130%);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  box-shadow: var(--shadow-lift);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.data-table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-m);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table caption {
  text-align: left;
  padding-bottom: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--muted-2);
}

.data-table th,
.data-table td {
  padding: 0.6rem 0.7rem;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line);
}

.data-table thead th {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
  white-space: nowrap;
  border-bottom: 1px solid rgba(76, 243, 208, 0.3);
}

.data-table tbody tr:nth-child(even) { background-color: rgba(11, 58, 46, 0.55); }

.data-table tbody tr:hover { background-color: rgba(76, 243, 208, 0.07); }

.data-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background-image:
    radial-gradient(120% 95% at 18% 0%, rgba(76, 243, 208, 0.2), transparent 62%),
    linear-gradient(150deg, var(--ink-800), var(--ink-900));
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.6;
  background-image:
    repeating-linear-gradient(90deg, rgba(156, 246, 228, 0.08) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(0deg, rgba(156, 246, 228, 0.08) 0 1px, transparent 1px 48px);
}

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

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--portrait { aspect-ratio: 4 / 5; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--cyan); }

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

.breadcrumb__current { color: var(--cyan-soft); }

.disclosure { border-top: 1px solid var(--line); }
.disclosure:last-child { border-bottom: 1px solid var(--line); }

.disclosure__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0.25rem;
  background: none;
  border: 0;
  color: var(--paper);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color 0.16s var(--ease);
}

.disclosure__trigger:hover { color: var(--cyan); }

.disclosure__trigger::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.2s var(--ease);
}

[data-disclosure][data-open="true"] .disclosure__trigger::after { transform: rotate(45deg); }

.disclosure__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.24s var(--ease);
}

.disclosure__panel > * { overflow: hidden; }

[data-disclosure][data-open="true"] .disclosure__panel { grid-template-rows: 1fr; }

.disclosure__body {
  padding: 0 0.25rem 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* 05 页头 ---------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0;
  z-index: 130;
  transform: translateY(-130%);
  padding: 0.6rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-900);
  background-color: var(--cyan);
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  text-decoration: none;
  transition: transform 0.18s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  color: var(--ink-900);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(6, 35, 28, 0.92);
  background-image: linear-gradient(180deg, rgba(6, 35, 28, 0.98), rgba(6, 35, 28, 0.9));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: box-shadow 0.24s var(--ease), border-color 0.24s var(--ease);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(156, 246, 228, 0.06) 0 1px,
    transparent 1px 64px
  );
}

.site-header::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  pointer-events: none;
  background-image: linear-gradient(
    90deg,
    transparent,
    rgba(76, 243, 208, 0.6),
    transparent
  );
}

.site-header.is-scrolled {
  border-bottom-color: rgba(76, 243, 208, 0.24);
  box-shadow: 0 14px 32px -20px rgba(0, 0, 0, 1);
}

.site-header__bar {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell-max);
  min-height: var(--header-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 1.6vw, 1.5rem);
}

.brand {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding-block: 0.35rem;
  color: var(--paper);
  text-decoration: none;
}

.brand:hover { color: var(--paper); }

.brand__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-900);
  background-color: var(--cyan);
  border-radius: var(--radius-m);
  box-shadow: inset 0 0 0 1px rgba(6, 35, 28, 0.35), 0 0 24px -8px rgba(76, 243, 208, 0.85);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand__name {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.brand__sig {
  margin-top: 0.34rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--muted-2);
}

.site-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: clamp(0.4rem, 1.4vw, 1.1rem);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.05rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list--start { margin-left: clamp(0.25rem, 1vw, 0.9rem); }
.nav-list--end { margin-left: auto; }

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.55rem 0.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
  border-radius: var(--radius-s);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.nav-link__idx {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(156, 246, 228, 0.38);
  transition: color 0.16s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0.6rem;
  right: 0.6rem;
  bottom: 0.3rem;
  height: 1px;
  background-color: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s var(--ease);
}

.nav-link:hover {
  color: var(--paper);
  background-color: rgba(76, 243, 208, 0.07);
}

.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--cyan); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-link[aria-current="page"] .nav-link__idx { color: var(--cyan); }

.header-actions {
  flex: none;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: 0.25rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--paper);
  background-color: transparent;
  border: 1px solid rgba(156, 246, 228, 0.32);
  border-radius: var(--radius-m);
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease),
    background-color 0.16s var(--ease);
}

.nav-toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background-color: rgba(76, 243, 208, 0.08);
}

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

.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  background-color: var(--cyan);
  border-radius: 2px;
  transition: transform 0.18s var(--ease), opacity 0.18s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

.nav-toggle__label { line-height: 1; }

/* 06 页脚 ---------------------------------------------------------------- */
.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(3rem, 7vw, 6rem);
  color: var(--paper);
  background-image: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 62%);
  border-top: 1px solid rgba(76, 243, 208, 0.24);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    repeating-linear-gradient(90deg, rgba(156, 246, 228, 0.055) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(156, 246, 228, 0.055) 0 1px, transparent 1px 72px);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 72%);
  mask-image: linear-gradient(180deg, #000, transparent 72%);
}

.footer-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding: clamp(2.5rem, 5.5vw, 4rem) var(--gutter) clamp(1.5rem, 3vw, 2.2rem);
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: clamp(1.6rem, 3.5vw, 2.6rem);
  align-items: start;
}

.footer-brand { grid-column: 1; }

.footer-brand .brand { margin-bottom: 1rem; }

.footer-tagline {
  max-width: 22em;
  margin-bottom: 0.9rem;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--paper);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--muted-2);
}

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

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.footer-col__title::before {
  content: "";
  flex: none;
  width: 1.1rem;
  height: 1px;
  background-color: var(--cyan);
}

.footer-links {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding-bottom: 1px;
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.footer-link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(76, 243, 208, 0.5);
}

.footer-contact {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem 1.6rem;
  margin-top: 0.4rem;
  padding-top: clamp(1.2rem, 3vw, 1.8rem);
  border-top: 1px solid rgba(76, 243, 208, 0.16);
}

.footer-contact__line {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0;
  min-width: 0;
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan-soft);
}

.footer-contact__value {
  font-size: 0.92rem;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.footer-note {
  grid-column: 1 / -1;
  max-width: 64ch;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted-2);
}

.footer-legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.4rem;
  padding-top: clamp(1rem, 2.4vw, 1.4rem);
  border-top: 1px solid rgba(42, 53, 50, 0.9);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}

.footer-legal p { margin: 0; }

.footer-legal .footer-link { font-size: 0.72rem; }

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
}

/* 07 响应式 -------------------------------------------------------------- */
@media (max-width: 1080px) {
  .nav-link__idx { display: none; }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: block;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    padding-inline: var(--gutter);
    padding-block: 0;
    background-image: linear-gradient(180deg, rgba(6, 35, 28, 0.99), rgba(11, 58, 46, 0.99));
    border-bottom: 1px solid rgba(76, 243, 208, 0.24);
    box-shadow: 0 28px 44px -30px rgba(0, 0, 0, 1);
    transition: max-height 0.24s var(--ease), opacity 0.18s var(--ease),
      transform 0.18s var(--ease), visibility 0s linear 0.24s;
  }

  .site-nav[data-open="true"] {
    max-height: min(72vh, 34rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding-block: 0.7rem 1.1rem;
    transition: max-height 0.28s var(--ease), opacity 0.2s var(--ease),
      transform 0.2s var(--ease);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.1rem;
  }

  .nav-list--start,
  .nav-list--end { margin-left: 0; }

  .nav-list--start {
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px dashed rgba(42, 53, 50, 0.95);
  }

  .nav-link {
    padding: 0.72rem 0.4rem;
    font-size: 1rem;
  }

  .nav-link__idx { display: inline; }

  .nav-link::after {
    left: 0.4rem;
    right: auto;
    width: 1.6rem;
    bottom: 0.48rem;
  }

  .nav-link[aria-current="page"] { background-color: rgba(76, 243, 208, 0.08); }

  .header-actions { margin-left: auto; }

  .grid--2,
  .grid--3,
  .grid--split { grid-template-columns: minmax(0, 1fr); }

  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .footer-brand { grid-column: 1 / -1; }

  .footer-contact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .brand__sig { display: none; }

  .brand__name { font-size: 0.98rem; }

  .brand__mark {
    width: 2.1rem;
    height: 2.1rem;
    font-size: 0.85rem;
  }

  .header-actions .btn {
    padding: 0.46rem 0.6rem;
    font-size: 0.75rem;
    letter-spacing: 0;
  }

  .nav-toggle__label { display: none; }

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

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

  .footer-legal__links { margin-left: 0; }

  .footer-tagline { font-size: 0.95rem; }
}

@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;
    scroll-behavior: auto !important;
  }

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

  .btn:hover { transform: none; }
}