/* ==========================================================================
   B体育赛事 · BAPP CN  /assets/site.css
   共享外壳：reset · design tokens · 中文排版 · 头部 · 页脚 · 基础组件
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- 2. Design tokens ---------- */
:root {
  --ink: #0B1F1A;
  --ink-2: #12332B;
  --paper: #F2E9D8;
  --paper-2: #D9CDB8;
  --cyan: #39F0D0;
  --cyan-soft: #9CF7E7;
  --flame: #FF5A2A;
  --amber: #FFB347;
  --moss: #3D6B5C;
  --brown: #1E1A17;

  --line: rgba(156, 247, 231, .18);
  --line-soft: rgba(242, 233, 216, .14);
  --line-strong: rgba(57, 240, 208, .45);

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

  --max: 1240px;
  --gutter: 20px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-panel: 0 18px 40px -26px rgba(0, 0, 0, .9), inset 0 1px 0 rgba(156, 247, 231, .06);
  --shadow-paper: 0 22px 46px -28px rgba(0, 0, 0, .85);
  --header-h: 104px;
  --ease: cubic-bezier(.2, .7, .3, 1);
  --scroll-progress: 0;
}
@media (min-width: 768px) { :root { --gutter: 32px; } }
@media (min-width: 1200px) { :root { --gutter: 44px; } }

/* ---------- 3. Base / typography ---------- */
body {
  min-height: 100vh;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .01em;
  background:
    radial-gradient(900px 520px at 88% -6%, rgba(57, 240, 208, .13), transparent 62%),
    radial-gradient(720px 460px at 4% 2%, rgba(255, 90, 42, .10), transparent 60%),
    var(--ink);
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--paper);
}
h1 { font-size: clamp(1.9rem, 6vw, 4.4rem); font-weight: 300; }
h2 { font-size: clamp(1.4rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.2vw, 1.5rem); font-weight: 500; }
p { color: rgba(242, 233, 216, .84); }

.lede {
  max-width: 62ch;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.85;
  color: rgba(242, 233, 216, .76);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 4. Layout utilities ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.site-main { display: block; padding-bottom: 24px; }
#main-content { scroll-margin-top: calc(var(--header-h) + 14px); }
.page-head { padding: 30px 0 10px; }

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

.rule { height: 1px; border: 0; margin: 0; background: linear-gradient(90deg, var(--moss), transparent); }
.rule--dashed { height: 0; border-top: 1px dashed var(--line); background: none; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 20px;
  padding-bottom: 14px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}
.section-kicker::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--flame);
  flex: none;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 2.3rem);
  font-weight: 300;
  letter-spacing: .03em;
  text-transform: uppercase;
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(57, 240, 208, .07);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.btn:hover { background: var(--cyan); border-color: var(--cyan); color: var(--ink); transform: translateY(-2px); }
.btn--primary { background: var(--flame); border-color: var(--flame); color: #2A0F06; }
.btn--primary:hover { background: #ff7145; border-color: #ff7145; color: #2A0F06; }
.btn--paper { background: var(--paper); border-color: var(--paper); color: var(--brown); }
.btn--paper:hover { background: var(--paper-2); border-color: var(--paper-2); color: var(--brown); }
.btn--ghost { background: transparent; }

/* ---------- 6. Panels ---------- */
.panel {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(168deg, var(--ink-2), var(--ink));
  box-shadow: var(--shadow-panel);
}
.panel--paper {
  background: var(--paper);
  border-color: var(--paper-2);
  color: var(--brown);
  box-shadow: var(--shadow-paper);
}
.panel--paper h2, .panel--paper h3, .panel--paper h4 { color: var(--brown); }
.panel--plain { background: transparent; box-shadow: none; }
.panel--accent::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(180deg, var(--cyan), var(--flame));
}
.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--line);
}
.panel--paper .panel__head { border-bottom-color: rgba(30, 26, 23, .22); }
.panel__title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.panel__meta {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
  white-space: nowrap;
}
.panel__body { font-size: .95rem; color: rgba(242, 233, 216, .8); }
.panel--paper .panel__body { color: rgba(30, 26, 23, .78); }
.panel__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.panel--paper .panel__foot { border-top-color: rgba(30, 26, 23, .16); }

.panel-stack { position: relative; display: grid; gap: 18px; }
.panel-stack::after {
  content: "";
  position: absolute;
  inset: 10px -10px -10px 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  pointer-events: none;
}
.panel-stack > * { position: relative; z-index: 1; }

/* ---------- 7. Data / legend / tags ---------- */
.data-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: var(--cyan);
}
.stat-row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.stat {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(11, 31, 26, .62);
}
.stat__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(242, 233, 216, .55);
}
.stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.25;
  color: var(--cyan);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(242, 233, 216, .62);
}
.legend__item { display: inline-flex; align-items: center; gap: 8px; }
.legend__key {
  flex: none;
  width: 10px; height: 10px;
  border-radius: 2px;
  background: var(--cyan);
  border: 1px solid rgba(0, 0, 0, .28);
}
.legend__key--flame { background: var(--flame); }
.legend__key--amber { background: var(--amber); }
.legend__key--paper { background: var(--paper-2); }
.legend__key--moss { background: var(--moss); }

.index-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(57, 240, 208, .07);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--cyan-soft);
}
.tag--live { background: var(--flame); border-color: var(--flame); color: #2A0F06; }
.tag--live::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #2A0F06;
  animation: b-pulse 1.8s infinite;
}
.tag--amber { background: var(--amber); border-color: var(--amber); color: #2A1B04; }
@keyframes b-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* ---------- 8. Grid / cards ---------- */
.grid { display: grid; gap: 18px; }
.grid--2, .grid--3, .grid--split { grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid--split { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(170deg, rgba(18, 51, 43, .92), rgba(11, 31, 26, .92));
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}
.card:hover { border-color: var(--line-strong); transform: translateY(-3px); }

/* ---------- 9. Tabs ---------- */
.tabs { display: grid; gap: 18px; }
.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.tab {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(242, 233, 216, .7);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.tab:hover { border-color: var(--line-strong); color: var(--cyan-soft); }
.tab[aria-selected="true"] { background: var(--cyan); border-color: var(--cyan); color: var(--ink); }

/* ---------- 10. Timeline ---------- */
.timeline {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 6px 0 16px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--moss) transparent;
}
.timeline::-webkit-scrollbar { height: 6px; }
.timeline::-webkit-scrollbar-track { background: transparent; }
.timeline::-webkit-scrollbar-thumb { background: var(--moss); border-radius: 99px; }
.timeline__item { flex: 0 0 min(78vw, 260px); scroll-snap-align: start; }

/* ---------- 11. Media frames ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--ink-2), var(--ink));
}
.media-frame img, .media-frame video { width: 100%; height: 100%; object-fit: cover; }
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--empty::after {
  content: attr(data-media-label);
  position: absolute;
  inset: auto 12px 12px 12px;
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(242, 233, 216, .5);
}
.media-frame__cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 16px;
  background: linear-gradient(transparent, rgba(11, 31, 26, .94));
  font-size: .82rem;
  color: var(--paper);
}

/* ---------- 12. Breadcrumbs / prose ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(242, 233, 216, .55);
}
.crumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.crumbs__item::after { content: "/"; color: var(--moss); }
.crumbs__item:last-child::after { content: ""; }
.crumbs a:hover { color: var(--cyan); }

.prose {
  max-width: 70ch;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(242, 233, 216, .84);
}
.prose h2 { margin: 34px 0 12px; font-size: clamp(1.25rem, 2.6vw, 1.85rem); }
.prose h3 { margin: 26px 0 10px; font-size: 1.08rem; }
.prose p { margin-bottom: 16px; }
.prose ul { display: grid; gap: 10px; margin-bottom: 18px; }
.prose ul li { position: relative; padding-left: 20px; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: .82em;
  width: 8px; height: 2px;
  background: var(--cyan);
}
.prose a { color: var(--cyan-soft); border-bottom: 1px solid var(--line-strong); }
.prose strong { color: var(--paper); }
.prose--paper { color: rgba(30, 26, 23, .86); }
.prose--paper strong { color: var(--brown); }
.prose--paper a { color: #0A5C4B; border-bottom-color: rgba(10, 92, 75, .5); }
.prose--paper ul li::before { background: var(--flame); }

/* ---------- 13. Header ---------- */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -64px;
  z-index: 120;
  padding: 10px 16px;
  border-radius: 0 0 10px 10px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  transition: top .18s var(--ease);
}
.skip-link:focus { top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(11, 31, 26, .95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--amber) 46%, var(--flame));
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: calc(var(--scroll-progress, 0) * 100%);
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(57, 240, 208, .7);
  transition: width .12s linear;
}

.header-rail {
  border-bottom: 1px dashed var(--line);
  background: linear-gradient(90deg, rgba(18, 51, 43, .92), rgba(11, 31, 26, .45));
}
.rail-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  min-height: 34px;
  padding-block: 6px;
}
.rail-label {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}
.rail-links { display: flex; flex-wrap: wrap; gap: 8px; }
.rail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  color: var(--cyan-soft);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.rail-link:hover { background: var(--cyan); border-color: var(--cyan); color: var(--ink); }
.rail-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(242, 233, 216, .6);
}
.rail-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: b-pulse 2.2s infinite;
}

.header-main { background: transparent; }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-block: 14px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  flex: none;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: linear-gradient(150deg, rgba(57, 240, 208, .22), rgba(255, 90, 42, .18));
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--cyan);
  transition: box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.brand-text { display: grid; line-height: 1.2; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--paper);
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(156, 247, 231, .72);
}
.brand:hover .brand-mark { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(57, 240, 208, .14); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] { background: var(--cyan); border-color: var(--cyan); color: var(--ink); }
.nav-toggle-bars { position: relative; width: 16px; height: 10px; flex: none; }
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .22s var(--ease);
}
.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-4px) rotate(-45deg); }

.site-nav { display: flex; align-items: center; gap: 22px; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  counter-reset: nav-index;
}
.nav-item { display: block; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: .92rem;
  color: rgba(242, 233, 216, .78);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-link::before {
  counter-increment: nav-index;
  content: "0" counter(nav-index);
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .08em;
  color: var(--moss);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 3px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease), background .2s var(--ease);
}
.nav-link:hover { color: var(--paper); background: rgba(57, 240, 208, .07); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link[aria-current="page"] { color: var(--cyan); }
.nav-link[aria-current="page"]::before { color: var(--flame); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); background: var(--flame); }
.nav-foot {
  display: none;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  color: rgba(242, 233, 216, .5);
}
body.nav-open { overflow: hidden; }

/* ---------- 14. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: 56px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 51, 43, .6), rgba(11, 31, 26, 1) 42%);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--moss), transparent);
}
.footer-inner {
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr;
  padding-block: 46px 32px;
}
@media (min-width: 760px) { .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .footer-inner { grid-template-columns: 1.4fr .8fr 1.15fr; gap: 40px; } }

.footer-brand { display: grid; gap: 14px; justify-items: start; align-content: start; }
.footer-summary { max-width: 40ch; font-size: .94rem; color: rgba(242, 233, 216, .72); }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--amber);
}
.footer-nav, .footer-contact { display: block; }
.footer-list { display: grid; gap: 2px; }
.footer-link {
  display: inline-block;
  padding: 5px 0;
  font-size: .92rem;
  color: rgba(242, 233, 216, .78);
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.footer-link:hover { color: var(--cyan); border-bottom-color: var(--line-strong); }

.contact-list { display: grid; gap: 10px; }
.contact-item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: .88rem;
}
.contact-key {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(242, 233, 216, .5);
}
.contact-val { color: var(--paper); word-break: break-word; }
.footer-note { margin: 14px 0 16px; font-size: .82rem; color: rgba(242, 233, 216, .6); }

.footer-bottom { border-top: 1px solid var(--line); background: rgba(11, 31, 26, .82); }
.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 22px;
  padding-block: 16px;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .1em;
  color: rgba(242, 233, 216, .55);
}
.footer-icp, .footer-copy { font-family: inherit; font-size: inherit; color: inherit; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-legal .footer-link { padding: 0; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em; color: inherit; }
.footer-legal .footer-link:hover { color: var(--cyan); }

/* ---------- 15. Motion helpers ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

.to-top {
  position: fixed;
  right: var(--gutter);
  bottom: 24px;
  z-index: 95;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(11, 31, 26, .9);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.to-top:hover { background: var(--cyan); color: var(--ink); border-color: var(--cyan); }

/* ---------- 16. Responsive header (mobile nav) ---------- */
@media (max-width: 719px) {
  .rail-status { display: none; }
  .rail-inner { gap: 8px; min-height: 30px; }
}
@media (max-width: 380px) {
  .brand-sub { display: none; }
}
@media (max-width: 920px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed;
    left: 0; right: 0;
    top: var(--header-h, 104px);
    bottom: 0;
    z-index: 85;
    display: block;
    padding: 20px var(--gutter) 48px;
    overflow-y: auto;
    background: linear-gradient(180deg, #0E2820, #0B1F1A 72%);
    border-top: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s var(--ease);
  }
  .site-nav[data-open="true"] { opacity: 1; visibility: visible; transform: none; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link {
    width: 100%;
    padding: 15px 4px;
    font-size: 1.05rem;
    border-bottom: 1px dashed var(--line);
    border-radius: 0;
  }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] { background: rgba(57, 240, 208, .12); box-shadow: inset 3px 0 0 var(--flame); }
  .nav-foot { display: block; }
}

/* ---------- 17. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .card:hover, .btn:hover { transform: none; }
  .site-header::after { transition: none; }
}