/* ============================================================
   新宝赛场 · /assets/site.css
   共享外壳：侧边赛季轨道头部、三段式页脚、通用组件
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

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

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

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

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

table { border-collapse: collapse; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #05231F;
  --ink-soft: #0A3A31;
  --glass: #103F3A;
  --cyan: #2BF5D6;
  --orange: #FF6A2A;
  --gold: #C9A24B;
  --mist: #F2F7F4;
  --muted: #A8C9C2;
  --indigo: #2E2450;
  --wine: #5E1F2A;

  --rail-w: 248px;
  --bar-h: 62px;
  --shell-w: 1280px;
  --gutter: clamp(18px, 3.2vw, 48px);

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

  --ease: cubic-bezier(.22, .61, .36, 1);
  --line: rgba(43, 245, 214, .16);
}

/* ---------- 3. Base & Chinese typography ---------- */
body {
  min-height: 100vh;
  padding-left: var(--rail-w);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.78;
  color: var(--mist);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(43, 245, 214, .045) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, rgba(43, 245, 214, .045) 0 1px, transparent 1px 84px),
    radial-gradient(1200px 620px at 78% -8%, rgba(16, 63, 58, .95), transparent 72%),
    radial-gradient(900px 520px at 6% 106%, rgba(46, 36, 80, .62), transparent 74%),
    linear-gradient(180deg, #05231F 0%, #041a17 58%, #05231F 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -.01em;
}

p { text-wrap: pretty; }

a {
  color: var(--cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: #7CFFEC; }

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

#main-content { scroll-margin-top: calc(var(--bar-h) + 16px); }

.mono { font-family: var(--font-mono); letter-spacing: .08em; }

/* ---------- 4. Skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  transform: translateY(-220%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--cyan);
  color: #03211D;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  border-radius: 2px;
  box-shadow: 0 12px 28px -12px rgba(0, 0, 0, .9);
  transition: transform .18s var(--ease);
}

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

/* ---------- 5. Header / rail ---------- */
.site-head {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px 20px 18px;
  overflow-y: auto;
  overflow-x: hidden;
  color: var(--mist);
  background:
    linear-gradient(180deg, rgba(16, 63, 58, .96) 0%, rgba(8, 48, 42, .98) 48%, rgba(5, 35, 31, .99) 100%);
  border-right: 1px solid var(--line);
  box-shadow:
    inset -1px 0 0 rgba(201, 162, 75, .16),
    0 0 46px rgba(0, 0, 0, .5);
  scrollbar-width: thin;
}

.head-bar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--mist);
}

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

.brand-mark {
  position: relative;
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--cyan) 0%, rgba(43, 245, 214, .18) 52%, var(--orange) 100%);
  box-shadow: inset 0 0 0 1px rgba(5, 35, 31, .65);
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 4px;
  bottom: 4px;
  width: 1.5px;
  background: var(--ink);
  transform: translateX(-50%);
}

.brand-text { display: grid; gap: 1px; }

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .07em;
  line-height: 1.12;
}

.brand-line {
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.4;
  color: var(--muted);
}

.head-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid rgba(43, 245, 214, .4);
  border-radius: 999px;
  background: rgba(43, 245, 214, .08);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  white-space: nowrap;
}

.head-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 7px var(--cyan);
}

/* 移动端汉堡 */
.nav-toggle { display: none; }

.nav-toggle-box { display: grid; gap: 3px; width: 16px; }

.nav-toggle-box span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

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

.nav-toggle-label { letter-spacing: .12em; }

/* 导航 */
.site-nav {
  display: flex;
  flex-direction: column;
  gap: 13px;
  flex: 1 1 auto;
  min-height: 0;
}

.nav-caption {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-list { display: grid; gap: 3px; }

.nav-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 10px 8px 12px;
  border-radius: 2px;
  color: var(--mist);
  text-decoration: none;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 0;
  background: var(--orange);
  border-radius: 1px;
  transform: translateY(-50%);
  transition: height .2s var(--ease);
}

.nav-link:hover { background: rgba(43, 245, 214, .09); color: #ffffff; }
.nav-link:hover::before { height: 78%; }

.nav-index {
  min-width: 19px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: rgba(168, 201, 194, .72);
}

.nav-text {
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: .02em;
}

.nav-link[aria-current="page"] {
  color: var(--cyan);
  background: rgba(43, 245, 214, .14);
  box-shadow: inset 0 0 0 1px rgba(43, 245, 214, .35);
  animation: nav-pulse .9s var(--ease) 1;
}

.nav-link[aria-current="page"]::before {
  width: 3px;
  height: 78%;
  background: var(--cyan);
}

.nav-link[aria-current="page"] .nav-index { color: var(--orange); }

@keyframes nav-pulse {
  0%   { box-shadow: inset 0 0 0 1px rgba(43, 245, 214, .35), 0 0 0 0 rgba(43, 245, 214, .5); }
  100% { box-shadow: inset 0 0 0 1px rgba(43, 245, 214, .35), 0 0 0 16px rgba(43, 245, 214, 0); }
}

.nav-foot {
  display: grid;
  gap: 10px;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid rgba(43, 245, 214, .14);
}

.nav-note {
  font-size: 11.5px;
  line-height: 1.65;
  color: rgba(168, 201, 194, .8);
}

.nav-note strong { color: var(--gold); font-weight: 600; }

.nav-cta { display: grid; gap: 7px; }

/* 轨道尾部 */
.head-tail {
  margin-top: auto;
  display: grid;
  gap: 9px;
  padding-top: 12px;
}

.head-note {
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(168, 201, 194, .62);
}

.to-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid rgba(43, 245, 214, .24);
  border-radius: 2px;
  background: rgba(43, 245, 214, .06);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s, background-color .18s var(--ease);
}

.to-top[data-visible] { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: rgba(43, 245, 214, .17); }

.to-top-arrow { font-size: 13px; line-height: 1; }

/* 滚动进度计时条 */
.scroll-meter {
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  background: rgba(43, 245, 214, .1);
  pointer-events: none;
}

.scroll-meter-fill {
  display: block;
  width: 100%;
  height: calc(var(--progress, 0) * 1%);
  background: linear-gradient(180deg, var(--cyan) 0%, var(--orange) 100%);
  transition: height .12s linear;
}

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}

.btn--solid {
  background: var(--cyan);
  color: #03211D;
  box-shadow: 0 8px 22px -12px rgba(43, 245, 214, .95);
}

.btn--solid:hover { background: #63FCE4; color: #03211D; transform: translateY(-1px); }

.btn--orange {
  background: var(--orange);
  color: #2A0A00;
  box-shadow: 0 8px 22px -12px rgba(255, 106, 42, .95);
}

.btn--orange:hover { background: #FF8A58; color: #2A0A00; transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  border-color: rgba(168, 201, 194, .38);
  color: var(--mist);
}

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

.btn--block { width: 100%; }

/* ---------- 7. Layout containers ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.board { padding-block: clamp(28px, 5vw, 72px); }

.section + .section { margin-top: clamp(38px, 6vw, 84px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.grid { display: grid; gap: clamp(16px, 2.4vw, 32px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--3-9 { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); }
.grid--4-8 { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
.grid--5-7 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }

/* ---------- 8. Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: .75;
}

.display {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(44px, 7vw, 112px);
  line-height: .92;
  letter-spacing: -.015em;
  color: var(--mist);
  text-wrap: balance;
}

.display--light { font-weight: 300; }
.display--heavy { font-weight: 800; letter-spacing: -.02em; }
.display em { font-style: normal; color: var(--cyan); }

.lede {
  max-width: 62ch;
  font-size: clamp(15px, 1.35vw, 18.5px);
  line-height: 1.72;
  color: rgba(242, 247, 244, .84);
}

.note {
  padding-left: 13px;
  border-left: 2px solid var(--gold);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 9. Surfaces & tags ---------- */
.glass {
  padding: clamp(16px, 2.2vw, 26px);
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(16, 63, 58, .55);
  backdrop-filter: blur(12px) saturate(130%);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
}

.panel {
  padding: clamp(16px, 2.2vw, 26px);
  border: 1px solid rgba(43, 245, 214, .12);
  border-radius: 3px;
  background: var(--ink-soft);
}

.panel--indigo { background: var(--indigo); border-color: rgba(43, 245, 214, .18); }
.panel--wine { background: var(--wine); border-color: rgba(201, 162, 75, .28); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  line-height: 1.5;
}

.tag--v1 { color: var(--gold); border-color: rgba(201, 162, 75, .5); background: rgba(201, 162, 75, .1); }
.tag--v2 { color: var(--cyan); border-color: rgba(43, 245, 214, .45); background: rgba(43, 245, 214, .1); }
.tag--hot { color: var(--orange); border-color: rgba(255, 106, 42, .5); background: rgba(255, 106, 42, .1); }

/* ---------- 10. Stat band ---------- */
.stat-band {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 1px;
  margin-block: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--line);
}

.stat {
  display: grid;
  gap: 4px;
  padding: clamp(12px, 1.8vw, 20px);
  background: var(--ink-soft);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: .08em;
  line-height: 1.12;
  color: var(--cyan);
}

.stat-value--orange { color: var(--orange); }
.stat-value--gold { color: var(--gold); }

.stat-label {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 11. Data table ---------- */
.data-table {
  width: 100%;
  font-size: 13.5px;
}

.data-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}

.data-table th {
  padding: 10px 12px;
  background: var(--ink-soft);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.data-table td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(43, 245, 214, .1);
}

.data-table tbody tr { transition: background-color .18s var(--ease); }
.data-table tbody tr:hover td { background: rgba(255, 106, 42, .08); }
.data-table tbody tr:hover td:first-child { box-shadow: inset 3px 0 0 var(--orange); }

/* ---------- 12. Breadcrumb ---------- */
.breadcrumb { margin-bottom: clamp(18px, 3vw, 30px); }

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: rgba(168, 201, 194, .45);
}

.breadcrumb-link { color: var(--muted); text-decoration: none; }
.breadcrumb-link:hover { color: var(--cyan); }
.breadcrumb-current { color: var(--mist); }

/* ---------- 13. Media frames ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: linear-gradient(135deg, var(--glass) 0%, var(--ink) 100%);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .34;
  background-image:
    repeating-linear-gradient(90deg, rgba(43, 245, 214, .2) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(0deg, rgba(43, 245, 214, .2) 0 1px, transparent 1px 48px);
}

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

.media-frame--wide { aspect-ratio: 16 / 7; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-caption {
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: rgba(168, 201, 194, .8);
}

/* ---------- 14. Footer ---------- */
.site-foot {
  margin-top: clamp(40px, 7vw, 96px);
  padding-top: clamp(34px, 5vw, 64px);
  color: var(--mist);
  background:
    linear-gradient(180deg, rgba(46, 36, 80, .42) 0%, rgba(5, 35, 31, .97) 58%),
    var(--ink-soft);
  border-top: 1px solid var(--line);
}

.foot-shell {
  width: 100%;
  max-width: var(--shell-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: minmax(220px, 1.1fr) minmax(0, 2fr) minmax(210px, 1fr);
  gap: clamp(26px, 3.4vw, 48px);
  align-items: start;
}

.foot-logo {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.1;
  color: var(--mist);
  text-decoration: none;
}

.foot-logo::after {
  content: "";
  display: block;
  width: 36px;
  height: 2px;
  margin-top: 9px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.foot-summary {
  max-width: 34ch;
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.foot-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.foot-meta span {
  padding: 3px 9px;
  border: 1px solid rgba(168, 201, 194, .3);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: rgba(168, 201, 194, .88);
  white-space: nowrap;
}

.foot-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 30px);
}

.foot-col-title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.foot-list { display: grid; gap: 8px; }

.foot-link {
  display: inline-block;
  font-size: 13.5px;
  color: rgba(242, 247, 244, .82);
  text-decoration: none;
  transition: color .18s var(--ease), transform .18s var(--ease);
}

.foot-link:hover { color: var(--cyan); transform: translateX(3px); }

.foot-contact {
  display: grid;
  gap: 12px;
  padding-left: clamp(14px, 2vw, 24px);
  border-left: 1px solid rgba(43, 245, 214, .18);
}

.foot-contact-row { display: grid; gap: 2px; }

.foot-contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

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

.foot-note {
  font-size: 11.5px;
  line-height: 1.65;
  color: rgba(168, 201, 194, .74);
}

.foot-base {
  width: 100%;
  max-width: var(--shell-w);
  margin: clamp(26px, 4vw, 48px) auto 0;
  padding: 16px var(--gutter) 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  border-top: 1px solid rgba(43, 245, 214, .14);
  font-size: 12px;
  color: rgba(168, 201, 194, .8);
}

.foot-copy { letter-spacing: .04em; }

.foot-icp {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(201, 162, 75, .9);
}

.foot-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-left: auto;
}

.foot-legal .foot-link { font-size: 12px; }

/* ---------- 15. Responsive ---------- */
@media (max-width: 1180px) {
  .foot-shell { grid-template-columns: minmax(200px, 1fr) minmax(0, 1.9fr); }
  .foot-contact { grid-column: 1 / -1; border-left: 0; padding-left: 0; border-top: 1px solid rgba(43, 245, 214, .16); padding-top: 16px; }
}

@media (max-width: 1023px) {
  :root { --rail-w: 0px; --bar-h: 62px; }

  body {
    padding-left: 0;
    padding-top: var(--bar-h);
    background-attachment: scroll;
  }

  .site-head {
    inset: 0 0 auto 0;
    width: auto;
    height: var(--bar-h);
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 0 var(--gutter);
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid rgba(43, 245, 214, .2);
    background: linear-gradient(180deg, rgba(10, 58, 49, .99) 0%, rgba(5, 35, 31, .99) 100%);
    box-shadow: 0 14px 34px -22px rgba(0, 0, 0, .95);
  }

  .head-bar {
    flex: 1 1 auto;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    min-width: 0;
  }

  .brand-name { font-size: 19px; }
  .brand-line { display: none; }
  .head-badge { display: none; }

  .nav-toggle {
    display: inline-flex;
    flex: none;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid rgba(43, 245, 214, .35);
    border-radius: 2px;
    background: rgba(43, 245, 214, .08);
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: .12em;
    cursor: pointer;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex: none;
    gap: 16px;
    max-height: calc(100dvh - var(--bar-h));
    overflow-y: auto;
    padding: 16px var(--gutter) 24px;
    border-bottom: 1px solid rgba(43, 245, 214, .25);
    background: linear-gradient(180deg, rgba(10, 58, 49, .995) 0%, rgba(5, 35, 31, .995) 100%);
    box-shadow: 0 26px 52px -22px rgba(0, 0, 0, .95);
  }

  .site-nav[data-open] {
    display: flex;
    animation: drawer-in .22s var(--ease) both;
  }

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

  .nav-caption { padding-top: 2px; }
  .nav-link { padding: 11px 12px; }
  .nav-text { font-size: 16px; }
  .nav-foot { margin-top: 4px; padding-top: 16px; }

  .head-tail { display: none; }

  .scroll-meter {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 3px;
  }

  .scroll-meter-fill {
    width: calc(var(--progress, 0) * 1%);
    height: 100%;
    background: linear-gradient(90deg, var(--cyan) 0%, var(--orange) 100%);
    transition: width .12s linear;
  }
}

@media (max-width: 960px) {
  .grid--2,
  .grid--3,
  .grid--3-9,
  .grid--4-8,
  .grid--5-7 { grid-template-columns: minmax(0, 1fr); }

  .foot-shell { grid-template-columns: minmax(0, 1fr); }
  .foot-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-legal { margin-left: 0; width: 100%; }
}

@media (max-width: 640px) {
  .stat-band {
    grid-auto-flow: row;
    grid-auto-columns: auto;
  }

  .foot-nav { grid-template-columns: minmax(0, 1fr); gap: 22px; }

  .data-table { font-size: 12.5px; }
  .data-table th,
  .data-table td { padding: 9px 10px; }
}

/* ---------- 16. Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .scroll-meter-fill { transition: none !important; }
}