/* ============================================================
   十博10 · 未来档案室 共享样式 /assets/site.css
   ============================================================ */

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

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--b10-paper-100);
  background-color: var(--b10-abyss-950);
  background-image:
    radial-gradient(1200px 620px at 84% -12%, rgba(245, 130, 43, 0.10), transparent 62%),
    radial-gradient(900px 520px at 4% 108%, rgba(47, 224, 240, 0.07), transparent 60%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

a { color: var(--b10-cyan-400); text-decoration: none; }
a:hover { color: var(--b10-gold-300); }

button { font: inherit; color: inherit; }

::selection { background: var(--b10-gold-500); color: var(--b10-abyss-950); }

/* ---------- TOKENS ---------- */
:root {
  --b10-abyss-950: #04101F;
  --b10-abyss-800: #0A1F35;
  --b10-trench-600: #14395C;
  --b10-line-500: #24405E;
  --b10-cyan-400: #2FE0F0;
  --b10-gold-500: #F5822B;
  --b10-gold-300: #FFB877;
  --b10-paper-100: #F2F6FB;
  --b10-mist-400: #93A9C0;
  --b10-mint-400: #3ED598;
  --b10-coral-500: #E85C5C;

  --b10-rail-w: 88px;
  --b10-nav-w: 76px;
  --b10-nav-w-open: 236px;
  --b10-status-h: 36px;
  --b10-bar-h: 60px;
  --b10-gutter: 24px;
  --b10-maxw: 1320px;
  --b10-ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --b10-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------- FOCUS ---------- */
:focus-visible {
  outline: 2px solid var(--b10-cyan-400);
  outline-offset: 3px;
}
.b10-btn--primary:focus-visible { outline-color: var(--b10-paper-100); }

/* ---------- SKIP LINK ---------- */
.b10-skip {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 300;
  padding: 12px 20px;
  background: var(--b10-gold-500);
  color: var(--b10-abyss-950);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: top 180ms var(--b10-ease);
}
.b10-skip:focus { top: 12px; color: var(--b10-abyss-950); }

/* ---------- HEADER SHELL ---------- */
.b10-header { position: relative; z-index: 80; }

body.b10-locked { overflow: hidden; }

/* ---------- STATUS BAR ---------- */
.b10-statusbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--b10-status-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: var(--b10-abyss-800);
  border-bottom: 1px solid var(--b10-line-500);
}

.b10-statusbar__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.2vw, 30px);
  width: 100%;
  padding: 0 clamp(14px, 2vw, 24px);
  overflow: hidden;
}

.b10-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--b10-paper-100);
  white-space: nowrap;
}

.b10-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  background: var(--b10-mint-400);
  box-shadow: 0 0 0 3px rgba(62, 213, 152, 0.16);
  animation: b10-pulse 3.2s var(--b10-ease) infinite;
}
.b10-status--soft .b10-dot {
  background: var(--b10-cyan-400);
  box-shadow: 0 0 0 3px rgba(47, 224, 240, 0.16);
  animation-delay: 1.1s;
}

@keyframes b10-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.b10-statusbar__meta {
  margin-left: auto;
  display: none;
  font-family: var(--b10-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--b10-mist-400);
  white-space: nowrap;
}

/* ---------- BRAND RAIL (desktop left) ---------- */
.b10-brand-rail {
  position: fixed;
  left: 0;
  top: var(--b10-status-h);
  bottom: 0;
  width: var(--b10-rail-w);
  z-index: 60;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 34px 0;
  background: var(--b10-abyss-950);
  border-right: 1px solid var(--b10-line-500);
}

.b10-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: var(--b10-paper-100);
}
.b10-brand:hover { color: var(--b10-cyan-400); }

.b10-brand__mark {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: 26px;
  font-weight: 300;
  letter-spacing: 0.14em;
  line-height: 1;
  color: inherit;
}

.b10-brand__index {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--b10-font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--b10-mist-400);
  line-height: 1;
}

/* ---------- SIDE RAIL NAV (desktop right) ---------- */
.b10-rail {
  position: fixed;
  right: 0;
  top: var(--b10-status-h);
  bottom: 0;
  width: var(--b10-nav-w);
  z-index: 70;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  background: var(--b10-abyss-950);
  border-left: 1px solid var(--b10-line-500);
  overflow: hidden;
  transition: width 260ms var(--b10-ease);
}

.b10-nav__item { display: block; }

.b10-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 54px;
  padding: 14px 12px 14px 20px;
  color: var(--b10-mist-400);
  text-decoration: none;
  transition: color 200ms var(--b10-ease);
}
.b10-nav__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--b10-gold-500);
  transform: translateY(-50%);
  transition: height 260ms var(--b10-ease);
}
.b10-nav__link:hover,
.b10-nav__link:focus-visible { color: var(--b10-paper-100); }

.b10-nav__link[aria-current="page"] { color: var(--b10-paper-100); }
.b10-nav__link[aria-current="page"]::before { height: 28px; }
.b10-nav__link[aria-current="page"] .b10-nav__num { color: var(--b10-gold-300); }

.b10-nav__num {
  font-family: var(--b10-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  min-width: 22px;
  color: inherit;
}

.b10-nav__label {
  font-size: 13px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 200ms var(--b10-ease), transform 260ms var(--b10-ease);
}

.b10-rail__foot {
  padding: 14px 0 0;
  border-top: 1px solid var(--b10-line-500);
  flex: none;
}

.b10-progress {
  position: relative;
  height: 2px;
  width: 100%;
  background: var(--b10-trench-600);
  overflow: hidden;
}
.b10-progress__fill {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--b10-cyan-400);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 140ms linear;
}

/* ---------- MOBILE BAR ---------- */
.b10-mobilebar {
  position: fixed;
  top: var(--b10-status-h);
  left: 0;
  right: 0;
  height: var(--b10-bar-h);
  z-index: 65;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 clamp(14px, 4vw, 20px);
  background: rgba(4, 16, 31, 0.96);
  border-bottom: 1px solid var(--b10-line-500);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.b10-navtoggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid var(--b10-line-500);
  color: var(--b10-paper-100);
  font-size: 12px;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: color 180ms var(--b10-ease), border-color 180ms var(--b10-ease);
}
.b10-navtoggle:hover { color: var(--b10-cyan-400); border-color: var(--b10-cyan-400); }

.b10-navtoggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}
.b10-navtoggle__bars span {
  display: block;
  height: 1px;
  background: currentColor;
}
.b10-navtoggle__bars span:last-child { width: 11px; }

.b10-navtoggle__text { line-height: 1; }

.b10-brand--mobile {
  flex-direction: row;
  align-items: baseline;
  gap: 10px;
  color: var(--b10-paper-100);
}
.b10-brand--mobile .b10-brand__mark {
  writing-mode: horizontal-tb;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.1em;
}
.b10-brand--mobile .b10-brand__index {
  writing-mode: horizontal-tb;
  font-size: 9px;
  letter-spacing: 0.2em;
}

/* ---------- DRAWER ---------- */
.b10-drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: calc(var(--b10-status-h) + 18px) clamp(18px, 5vw, 28px) 32px;
  background: var(--b10-abyss-950);
  border-right: 1px solid var(--b10-line-500);
  overflow-y: auto;
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 320ms var(--b10-ease), visibility 0s linear 320ms;
}
.b10-drawer[data-open] {
  transform: none;
  visibility: visible;
  transition: transform 320ms var(--b10-ease), visibility 0s linear 0s;
}

.b10-drawer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--b10-line-500);
}

.b10-drawer__label {
  font-family: var(--b10-font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--b10-cyan-400);
}

.b10-drawer__close {
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--b10-line-500);
  color: var(--b10-mist-400);
  font-size: 12px;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: color 180ms var(--b10-ease), border-color 180ms var(--b10-ease);
}
.b10-drawer__close:hover { color: var(--b10-paper-100); border-color: var(--b10-cyan-400); }

.b10-drawer__nav { padding: 8px 0; }

.b10-drawer .b10-nav__link {
  padding: 18px 4px;
  border-bottom: 1px solid var(--b10-line-500);
}
.b10-drawer .b10-nav__num { color: var(--b10-mist-400); }
.b10-drawer .b10-nav__label {
  opacity: 1;
  transform: none;
  font-size: 16px;
  letter-spacing: 0.1em;
}
.b10-drawer .b10-nav__link[aria-current="page"] .b10-nav__label { color: var(--b10-gold-300); }
.b10-drawer .b10-nav__link::before { left: -4px; }

.b10-drawer__foot {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--b10-line-500);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.b10-drawer__contact {
  font-family: var(--b10-font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--b10-mist-400);
}

/* ---------- MAIN / SHELL ---------- */
.b10-main {
  display: block;
  max-width: var(--b10-maxw);
  margin: 0 auto;
  padding: clamp(28px, 4vw, 64px) clamp(16px, 3.4vw, 40px) clamp(64px, 8vw, 120px);
}

.b10-shell {
  max-width: 780px;
  width: 100%;
}

.b10-section { padding: clamp(48px, 7vw, 96px) 0; }

.b10-divider {
  height: 1px;
  border: 0;
  background: var(--b10-line-500);
  margin: clamp(36px, 5vw, 72px) 0;
}

.b10-mono {
  font-family: var(--b10-font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

/* ---------- CHAPTER ---------- */
.b10-chapter {
  display: block;
  padding-top: 16px;
  border-top: 1px solid var(--b10-line-500);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.b10-chapter__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 28px;
}

.b10-chapter__num {
  display: block;
  font-size: clamp(48px, 7.5vw, 92px);
  font-weight: 200;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--b10-mist-400);
  font-variant-numeric: tabular-nums;
}

.b10-chapter__title {
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 300;
  letter-spacing: 0.02em;
  line-height: 1.25;
  color: var(--b10-paper-100);
  text-align: right;
}

/* ---------- EYEBROW / TAG ---------- */
.b10-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--b10-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--b10-cyan-400);
}
.b10-eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  flex: none;
}

.b10-tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--b10-line-500);
  font-family: var(--b10-font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--b10-mist-400);
  line-height: 1.7;
}
.b10-tag--gold { color: var(--b10-gold-300); border-color: rgba(245, 130, 43, 0.55); }
.b10-tag--mint { color: var(--b10-mint-400); border-color: rgba(62, 213, 152, 0.5); }

/* ---------- BUTTONS ---------- */
.b10-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid var(--b10-line-500);
  border-radius: 0;
  background: transparent;
  color: var(--b10-paper-100);
  font-size: 14px;
  line-height: 1.2;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
  transition: background 200ms var(--b10-ease), color 200ms var(--b10-ease), border-color 200ms var(--b10-ease);
}

.b10-btn--primary {
  background: var(--b10-gold-500);
  border-color: var(--b10-gold-500);
  color: var(--b10-abyss-950);
  font-weight: 600;
}
.b10-btn--primary:hover {
  background: var(--b10-gold-300);
  border-color: var(--b10-gold-300);
  color: var(--b10-abyss-950);
}

.b10-btn--ghost { color: var(--b10-paper-100); }
.b10-btn--ghost:hover {
  border-color: var(--b10-cyan-400);
  color: var(--b10-cyan-400);
}

/* ---------- BREADCRUMBS ---------- */
.b10-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  font-family: var(--b10-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--b10-mist-400);
}
.b10-crumbs__link { color: var(--b10-mist-400); }
.b10-crumbs__link:hover { color: var(--b10-cyan-400); }
.b10-crumbs__sep { color: var(--b10-line-500); }
.b10-crumbs__current { color: var(--b10-paper-100); }

/* ---------- GRID ---------- */
.b10-grid {
  display: grid;
  gap: var(--b10-gutter);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.b10-grid > * { grid-column: span 4; min-width: 0; }
.b10-span-full { grid-column: 1 / -1 !important; }

/* ---------- CARD ---------- */
.b10-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--b10-abyss-800);
  border: 1px solid var(--b10-line-500);
  border-radius: 0;
}

.b10-card__label {
  font-family: var(--b10-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--b10-mist-400);
}

.b10-card__title {
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--b10-paper-100);
}

.b10-card__text {
  font-size: 15px;
  line-height: 1.72;
  color: var(--b10-mist-400);
}

/* ---------- FIGURE ---------- */
.b10-figure {
  display: flex;
  flex-direction: column;
  margin: 0;
  background: var(--b10-abyss-800);
  border: 1px solid var(--b10-line-500);
  border-radius: 0;
  overflow: hidden;
}

.b10-figure__media {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(158deg, #0A1F35 0%, #14395C 58%, #0A1F35 100%);
}
.b10-figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(36, 64, 94, 0.65) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 64, 94, 0.65) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.b10-figure__media img,
.b10-figure__media svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.b10-figure__media.is-16x9 { aspect-ratio: 16 / 9; }
.b10-figure__media.is-4x3 { aspect-ratio: 4 / 3; }
.b10-figure__media.is-1x1 { aspect-ratio: 1 / 1; }
.b10-figure__media.is-3x4 { aspect-ratio: 3 / 4; }

.b10-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--b10-line-500);
  font-family: var(--b10-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--b10-mist-400);
}

/* ---------- FILTER ---------- */
.b10-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.b10-filter__btn {
  padding: 8px 14px;
  border: 1px solid var(--b10-line-500);
  background: transparent;
  color: var(--b10-mist-400);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: color 180ms var(--b10-ease), border-color 180ms var(--b10-ease), background 180ms var(--b10-ease);
}
.b10-filter__btn:hover { color: var(--b10-paper-100); border-color: var(--b10-cyan-400); }
.b10-filter__btn[aria-pressed="true"] {
  background: var(--b10-cyan-400);
  border-color: var(--b10-cyan-400);
  color: var(--b10-abyss-950);
}
.b10-filter__item[hidden] { display: none !important; }

/* ---------- REVEAL ---------- */
.b10-js .b10-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms var(--b10-ease), transform 420ms var(--b10-ease);
  transition-delay: var(--b10-delay, 0ms);
}
.b10-js .b10-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- FOOTER ---------- */
.b10-footer {
  position: relative;
  z-index: 10;
  margin-top: clamp(48px, 7vw, 120px);
  background: var(--b10-abyss-800);
  border-top: 1px solid var(--b10-line-500);
}

.b10-footer__inner {
  max-width: var(--b10-maxw);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) clamp(16px, 3.4vw, 40px) 32px;
}

.b10-footer__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}

.b10-footer__block { min-width: 0; }

.b10-footer__brandmark {
  display: inline-block;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--b10-paper-100);
}
.b10-footer__brandmark:hover { color: var(--b10-gold-300); }

.b10-footer__note {
  margin: 14px 0 22px;
  max-width: 26em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--b10-mist-400);
}

.b10-footer__title {
  margin-bottom: 16px;
  font-family: var(--b10-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--b10-cyan-400);
}

.b10-footer__links li + li { margin-top: 10px; }
.b10-footer__links a {
  color: var(--b10-mist-400);
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: color 180ms var(--b10-ease);
}
.b10-footer__links a:hover { color: var(--b10-paper-100); }

.b10-footer__meta {
  font-family: var(--b10-font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--b10-mist-400);
}
.b10-footer__meta + .b10-footer__meta { margin-top: 8px; }

.b10-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid var(--b10-line-500);
  font-family: var(--b10-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--b10-mist-400);
}
.b10-footer__copy,
.b10-footer__icp { margin: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 480px) {
  .b10-statusbar__meta { display: inline; }
}

@media (min-width: 640px) {
  .b10-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .b10-grid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .b10-grid > * { grid-column: span 4; }
}

@media (min-width: 1024px) {
  body {
    padding-top: var(--b10-status-h);
    padding-left: var(--b10-rail-w);
    padding-right: var(--b10-nav-w);
  }

  .b10-brand-rail { display: flex; }
  .b10-rail { display: flex; }
  .b10-mobilebar { display: none; }
  .b10-drawer { display: none; }

  .b10-rail:hover { width: var(--b10-nav-w-open); }
  .b10-rail:focus-within { width: var(--b10-nav-w-open); }
  .b10-rail:hover .b10-nav__label,
  .b10-rail:focus-within .b10-nav__label {
    opacity: 1;
    transform: none;
  }

  .b10-footer__grid { grid-template-columns: 1.5fr 1fr 1.2fr 1fr; }
}

@media (max-width: 1023px) {
  body {
    padding-top: calc(var(--b10-status-h) + var(--b10-bar-h));
  }
  .b10-statusbar__inner { gap: 12px; }
}

@media (min-width: 1200px) {
  .b10-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .b10-grid > * { grid-column: span 6; }
}

/* ============================================================
   MOTION / ACCESSIBILITY
   ============================================================ */
@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;
    transition-delay: 0ms !important;
  }

  .b10-js .b10-reveal {
    opacity: 1;
    transform: none;
  }

  .b10-drawer { transition: none; }
  .b10-rail { transition: none; }
  .b10-progress__fill { transition: none; }
}