/* ============================================================
   K体育68 — /assets/site.css
   shared shell : reset · tokens · header · footer · primitives
   ============================================================ */

/* ---------- 1. tokens ---------- */
:root{
  --k-night:#071726;
  --k-night-2:#11293D;
  --k-signal:#FF4A17;
  --k-ember:#D8200C;
  --k-cyan:#17E3D2;
  --k-lime:#A8FF3A;
  --k-amber:#FFB627;
  --k-chalk:#F4F7F9;
  --k-gray:#7E93A8;
  --k-line:#23394E;

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

  --k-topbar-h:64px;
  --k-rail-w:0px;
  --k-wrap:1440px;
  --k-gutter:clamp(16px,3.4vw,48px);
  --k-ease:cubic-bezier(.22,.61,.36,1);
}

@media (min-width:1080px){
  :root{
    --k-topbar-h:72px;
    --k-rail-w:96px;
  }
}

/* ---------- 2. reset ---------- */
*,
*::before,
*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--k-topbar-h) + 24px);
}

body{
  margin:0;
  padding-top:var(--k-topbar-h);
  background-color:var(--k-night);
  background-image:
    linear-gradient(90deg,rgba(35,57,78,.32) 0 1px,transparent 1px),
    linear-gradient(rgba(35,57,78,.32) 0 1px,transparent 1px);
  background-size:120px 120px;
  color:var(--k-chalk);
  font-family:var(--k-font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  overflow-x:hidden;
}

@media (min-width:1080px){
  body{padding-left:var(--k-rail-w)}
}

body.k-lock{overflow:hidden}

h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
img,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse}
strong{font-weight:700}

:focus-visible{
  outline:2px solid var(--k-lime);
  outline-offset:3px;
}

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

/* ---------- 3. header shell ---------- */
.k-skip{
  position:fixed;
  left:14px;
  top:-72px;
  z-index:140;
  padding:10px 18px;
  background:var(--k-lime);
  color:var(--k-night);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  transition:top .18s var(--k-ease);
}
.k-skip:focus{top:14px}

.k-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:90;
}

/* 左侧竖向刻度导轨：导航边框的一部分 */
.k-rail{
  display:none;
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--k-rail-w);
  z-index:1;
  flex-direction:column;
  align-items:center;
  justify-content:space-between;
  padding:18px 0 20px;
  background:var(--k-night-2);
  border-right:1px solid var(--k-line);
}

.k-rail__mark{
  writing-mode:vertical-rl;
  font-family:var(--k-font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.34em;
  color:var(--k-signal);
}

.k-rail__ticks{
  flex:1 1 auto;
  width:1px;
  margin:16px 0;
  background-image:repeating-linear-gradient(to bottom,var(--k-line) 0 1px,transparent 1px 11px);
}

.k-rail__ticks::after{
  content:"";
  display:block;
  width:9px;
  height:2px;
  margin-left:-4px;
  background:var(--k-cyan);
}

.k-rail__sect{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
}

.k-rail__sectnum{
  font-family:var(--k-font-mono);
  font-size:20px;
  font-weight:700;
  line-height:1;
  font-variant-numeric:tabular-nums;
  color:var(--k-lime);
}

.k-rail__sectcap{
  font-size:11px;
  letter-spacing:.24em;
  color:var(--k-gray);
}

.k-topbar{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,26px);
  height:var(--k-topbar-h);
  padding:0 var(--k-gutter);
  background:rgba(7,23,38,.9);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--k-line);
  transition:background .18s var(--k-ease),box-shadow .18s var(--k-ease);
}

@media (min-width:1080px){
  .k-topbar{
    padding-left:calc(var(--k-rail-w) + clamp(18px,3vw,44px));
  }
}

.k-header.is-stuck .k-topbar{
  background:rgba(7,23,38,.98);
  box-shadow:0 1px 0 0 rgba(23,227,210,.32);
}

.k-brand{
  display:flex;
  flex-direction:column;
  gap:1px;
  padding-right:clamp(10px,1.6vw,24px);
  border-right:1px solid var(--k-line);
  flex:0 0 auto;
}

.k-brand__mark{
  font-family:var(--k-font-display);
  font-size:clamp(17px,1.7vw,21px);
  font-weight:600;
  line-height:1.1;
  letter-spacing:.05em;
  color:var(--k-chalk);
}

.k-brand__line{
  font-size:11px;
  line-height:1.3;
  letter-spacing:.2em;
  color:var(--k-cyan);
}

.k-brand:hover .k-brand__mark{color:var(--k-signal)}

/* ---------- 4. navigation ---------- */
.k-nav{
  position:fixed;
  top:var(--k-topbar-h);
  left:0;
  right:0;
  max-height:calc(100vh - var(--k-topbar-h));
  overflow-y:auto;
  padding:6px var(--k-gutter) 22px;
  background:var(--k-night-2);
  border-bottom:2px solid var(--k-signal);
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .2s var(--k-ease),transform .2s var(--k-ease),visibility .2s;
}

.k-nav[data-open]{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.k-nav__list{
  display:flex;
  flex-direction:column;
  gap:0;
}

.k-nav__link{
  position:relative;
  display:block;
  padding:14px 0;
  font-size:15px;
  letter-spacing:.04em;
  color:var(--k-chalk);
  border-bottom:1px solid var(--k-line);
  transition:color .18s var(--k-ease);
}

.k-nav__link:hover{color:var(--k-cyan)}

.k-nav__link[aria-current="page"]{
  color:var(--k-lime);
  padding-left:12px;
  border-left:3px solid var(--k-signal);
}

.k-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  background:var(--k-signal);
  color:#fff;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  white-space:nowrap;
  clip-path:polygon(0 0,100% 0,calc(100% - 11px) 100%,0 100%);
  transition:background .18s var(--k-ease),transform .18s var(--k-ease);
}

.k-cta:hover{
  background:var(--k-ember);
  transform:translateX(2px);
}

.k-navtoggle{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:10px 14px;
  border:1px solid var(--k-line);
  color:var(--k-chalk);
  font-size:12px;
  letter-spacing:.18em;
  transition:border-color .18s var(--k-ease),color .18s var(--k-ease);
}

.k-navtoggle:hover{border-color:var(--k-cyan);color:var(--k-cyan)}

.k-navtoggle__bars{
  width:18px;
  height:10px;
  background-image:
    linear-gradient(var(--k-lime),var(--k-lime)),
    linear-gradient(var(--k-lime),var(--k-lime)),
    linear-gradient(var(--k-lime),var(--k-lime));
  background-repeat:no-repeat;
  background-size:100% 2px;
  background-position:0 0,0 50%,0 100%;
}

.k-progress{
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--k-signal);
  transform:scaleX(0);
  transform-origin:left center;
  will-change:transform;
}

@media (min-width:1080px){
  .k-navtoggle{display:none}

  .k-nav{
    position:relative;
    top:auto;left:auto;right:auto;
    max-height:none;
    overflow:visible;
    flex:1 1 auto;
    min-width:0;
    padding:0;
    background:none;
    border-bottom:0;
    opacity:1;
    visibility:visible;
    transform:none;
    transition:none;
  }

  .k-nav__list{
    flex-direction:row;
    align-items:center;
    gap:clamp(10px,1.5vw,26px);
  }

  .k-nav__link{
    padding:8px 2px;
    font-size:13px;
    color:var(--k-gray);
    border-bottom:0;
  }

  .k-nav__link::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:2px;
    height:2px;
    background:var(--k-signal);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .18s var(--k-ease);
  }

  .k-nav__link:hover{color:var(--k-chalk)}
  .k-nav__link:hover::after{transform:scaleX(1)}

  .k-nav__link[aria-current="page"]{
    color:var(--k-chalk);
    padding-left:2px;
    border-left:0;
  }

  .k-nav__link[aria-current="page"]::after{
    transform:scaleX(1);
    background:var(--k-lime);
  }

  .k-cta{
    padding:12px 20px;
    font-size:13px;
    margin-left:auto;
  }
}

@media (max-width:520px){
  .k-brand__line{display:none}
  .k-brand{padding-right:10px}
  .k-navtoggle__text{display:none}
  .k-navtoggle{padding:10px 12px}
}

/* ---------- 5. footer ---------- */
.k-footer{
  position:relative;
  margin-top:clamp(48px,8vw,120px);
  background:var(--k-night-2);
  border-top:1px solid var(--k-line);
}

.k-footer__edge{
  height:6px;
  background-image:
    linear-gradient(90deg,var(--k-signal) 0 26%,var(--k-amber) 26% 31%),
    repeating-linear-gradient(90deg,rgba(23,227,210,.55) 0 1px,transparent 1px 14px);
  background-size:31% 100%,100% 100%;
  background-repeat:no-repeat,repeat;
}

.k-footer__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(24px,4vw,40px);
  width:100%;
  max-width:var(--k-wrap);
  margin:0 auto;
  padding:clamp(32px,5vw,68px) var(--k-gutter) clamp(24px,3vw,40px);
}

@media (min-width:640px){
  .k-footer__grid{grid-template-columns:1.2fr 1fr 1fr}
}

@media (min-width:1080px){
  .k-footer__grid{grid-template-columns:1.5fr .9fr .9fr .9fr}
}

.k-footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:8px}

.k-footer__mark{
  font-family:var(--k-font-display);
  font-size:clamp(26px,3vw,36px);
  font-weight:600;
  line-height:1.05;
  letter-spacing:.04em;
  color:var(--k-chalk);
}

.k-footer__line{
  font-family:var(--k-font-mono);
  font-size:12px;
  letter-spacing:.24em;
  color:var(--k-cyan);
}

.k-footer__cta{
  margin-top:10px;
  display:inline-flex;
  align-items:center;
  padding:11px 18px;
  background:var(--k-signal);
  color:#fff;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);
  transition:background .18s var(--k-ease);
}

.k-footer__cta:hover{background:var(--k-ember)}

.k-footer__col{display:flex;flex-direction:column;gap:12px}

.k-footer__coltitle{
  font-family:var(--k-font-mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.24em;
  color:var(--k-gray);
  padding-bottom:10px;
  border-bottom:1px solid var(--k-line);
}

.k-footer__list{display:flex;flex-direction:column;gap:9px}

.k-footer__link{
  display:inline-block;
  font-size:14px;
  color:var(--k-chalk);
  transition:color .18s var(--k-ease),transform .18s var(--k-ease);
}

.k-footer__link:hover{
  color:var(--k-amber);
  transform:translateX(3px);
}

.k-footer__meta{
  display:grid;
  grid-template-columns:1fr;
  gap:10px 32px;
  width:100%;
  max-width:var(--k-wrap);
  margin:0 auto;
  padding:22px var(--k-gutter);
  border-top:1px solid var(--k-line);
  font-size:13px;
  color:var(--k-gray);
}

@media (min-width:900px){
  .k-footer__meta{grid-template-columns:repeat(3,minmax(0,1fr))}
}

.k-footer__metaitem{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;min-width:0}

.k-footer__metalabel{
  flex:0 0 auto;
  font-family:var(--k-font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--k-cyan);
}

.k-footer__legal{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  align-items:center;
  justify-content:space-between;
  width:100%;
  max-width:var(--k-wrap);
  margin:0 auto;
  padding:16px var(--k-gutter) 42px;
  border-top:1px solid var(--k-line);
  font-size:12px;
  color:var(--k-gray);
}

.k-footer__copy{
  font-family:var(--k-font-mono);
  letter-spacing:.06em;
  color:var(--k-gray);
}

.k-footer__legallist{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  font-family:var(--k-font-mono);
  letter-spacing:.08em;
}

.k-footer__legallist .k-footer__link{font-size:12px;color:var(--k-gray)}
.k-footer__legallist .k-footer__link:hover{color:var(--k-lime)}

/* ---------- 6. layout primitives ---------- */
.k-wrap{
  width:100%;
  max-width:var(--k-wrap);
  margin:0 auto;
  padding:0 var(--k-gutter);
}

.k-section{
  position:relative;
  padding:clamp(40px,6vw,88px) 0;
  border-top:1px solid var(--k-line);
}

.k-section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start;
  gap:clamp(14px,2.6vw,36px);
  margin-bottom:clamp(20px,3vw,42px);
}

.k-section__head > *{min-width:0}

.k-num{
  flex:0 0 auto;
  font-family:var(--k-font-mono);
  font-size:clamp(38px,7vw,86px);
  font-weight:700;
  line-height:.9;
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  color:var(--k-signal);
}

.k-eyebrow{
  font-family:var(--k-font-mono);
  font-size:12px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--k-cyan);
  margin-bottom:6px;
}

.k-title{
  font-family:var(--k-font-display);
  font-weight:300;
  font-size:clamp(1.9rem,4.6vw,3.6rem);
  line-height:1.04;
  letter-spacing:-.02em;
  color:var(--k-chalk);
  max-width:20em;
}

.k-lead{max-width:34em;color:var(--k-gray)}

.k-text{max-width:34em;color:var(--k-gray);margin-top:14px}

.k-text strong,.k-lead strong{color:var(--k-chalk);font-weight:600}

.k-rule{
  height:9px;
  margin:0;
  border:0;
  border-top:1px solid var(--k-line);
  background-image:repeating-linear-gradient(90deg,var(--k-line) 0 1px,transparent 1px 17px);
}

.k-slant{position:relative}
.k-slant::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:linear-gradient(90deg,var(--k-signal),var(--k-cyan));
  transform:rotate(-6deg);
  transform-origin:left top;
  pointer-events:none;
}

.k-lift{position:relative;isolation:isolate}
.k-lift::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  border:1px solid var(--k-signal);
  opacity:0;
  transform:translate(0,0);
  transition:opacity .18s var(--k-ease),transform .18s var(--k-ease);
  pointer-events:none;
}
.k-lift:hover::before,
.k-lift:focus-within::before{
  opacity:1;
  transform:translate(4px,4px);
}

/* ---------- 7. grid ---------- */
.k-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2vw,28px);
}

.k-grid > *{min-width:0}

.k-span-3,.k-span-4,.k-span-5,.k-span-6,.k-span-7,.k-span-8,.k-span-12{grid-column:span 12}

@media (min-width:640px){
  .k-span-3{grid-column:span 6}
  .k-span-4{grid-column:span 6}
  .k-span-5{grid-column:span 6}
  .k-span-6{grid-column:span 6}
  .k-span-7{grid-column:span 12}
  .k-span-8{grid-column:span 12}
}

@media (min-width:1080px){
  .k-span-3{grid-column:span 3}
  .k-span-4{grid-column:span 4}
  .k-span-5{grid-column:span 5}
  .k-span-6{grid-column:span 6}
  .k-span-7{grid-column:span 7}
  .k-span-8{grid-column:span 8}
}

/* ---------- 8. buttons & breadcrumb ---------- */
.k-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 24px;
  background:var(--k-signal);
  color:#fff;
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  clip-path:polygon(0 0,100% 0,calc(100% - 14px) 100%,0 100%);
  transition:background .18s var(--k-ease),transform .18s var(--k-ease);
}

.k-btn:hover{background:var(--k-ember);transform:translateX(3px)}

.k-btn--ghost{
  background:transparent;
  color:var(--k-chalk);
  clip-path:none;
  box-shadow:inset 0 0 0 1px var(--k-cyan);
}

.k-btn--ghost:hover{
  background:rgba(23,227,210,.12);
  color:var(--k-cyan);
}

.k-crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:20px 0;
  font-family:var(--k-font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--k-gray);
}

.k-crumb a{color:var(--k-gray)}
.k-crumb a:hover{color:var(--k-cyan)}
.k-crumb__sep{color:var(--k-line)}
.k-crumb [aria-current="page"]{color:var(--k-chalk)}

/* ---------- 9. data primitives ---------- */
.k-table{
  width:100%;
  font-size:14px;
  line-height:1.5;
  border-collapse:collapse;
}

.k-table caption{
  text-align:left;
  padding-bottom:12px;
  font-family:var(--k-font-mono);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--k-cyan);
}

.k-table th{
  padding:12px 14px;
  text-align:left;
  font-family:var(--k-font-mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.16em;
  color:var(--k-gray);
  border-bottom:1px solid var(--k-line);
  white-space:nowrap;
}

.k-table td{
  padding:14px;
  border-bottom:1px solid var(--k-line);
  color:var(--k-chalk);
  vertical-align:top;
}

.k-table tbody tr{transition:background .18s var(--k-ease)}
.k-table tbody tr:hover{background:rgba(244,247,249,.06)}

.k-numcell{
  font-family:var(--k-font-mono);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--k-lime);
}

.k-tag{
  position:relative;
  display:inline-flex;
  flex-direction:column;
  gap:3px;
  padding:12px 16px 14px;
  background:rgba(255,74,23,.1);
  border-left:2px solid var(--k-amber);
}

.k-tag__num{
  font-family:var(--k-font-mono);
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:700;
  line-height:1;
  font-variant-numeric:tabular-nums;
  color:var(--k-amber);
}

.k-tag__unit{font-size:12px;color:var(--k-gray)}

.k-tag__label{font-size:12px;letter-spacing:.2em;color:var(--k-gray)}

.k-tag::after{
  content:"";
  position:absolute;
  right:7px;bottom:7px;
  width:22px;height:2px;
  background:var(--k-signal);
}

.k-stat{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:14px 16px;
  background:var(--k-night-2);
  border-left:2px solid var(--k-cyan);
}

.k-stat__num{
  font-family:var(--k-font-mono);
  font-size:clamp(1.4rem,2.6vw,2rem);
  font-weight:700;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  color:var(--k-lime);
}

.k-stat__cap{font-size:12px;letter-spacing:.14em;color:var(--k-gray)}

.k-list{border-top:1px solid var(--k-line)}

.k-list__item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:14px;
  align-items:baseline;
  padding:14px 6px;
  border-bottom:1px solid var(--k-line);
  transition:background .18s var(--k-ease);
}

.k-list__item:hover{background:rgba(23,227,210,.05)}

.k-list__num{
  font-family:var(--k-font-mono);
  font-size:12px;
  font-variant-numeric:tabular-nums;
  color:var(--k-signal);
}

.k-list__main{color:var(--k-chalk);font-size:15px}
.k-list__meta{font-size:12px;color:var(--k-gray)}

/* ---------- 10. media slots ---------- */
.k-media{
  position:relative;
  display:block;
  overflow:hidden;
  background:var(--k-night-2);
  border:1px solid var(--k-line);
}

.k-media__img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.06);
}

.k-media--wide{aspect-ratio:16/9}
.k-media--tall{aspect-ratio:3/4}
.k-media--square{aspect-ratio:1/1}

.k-media__grid{
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(90deg,rgba(23,227,210,.16) 0 1px,transparent 1px),
    linear-gradient(rgba(23,227,210,.16) 0 1px,transparent 1px);
  background-size:40px 40px;
  mix-blend-mode:screen;
}

.k-media__cap{
  position:absolute;
  left:0;bottom:0;
  padding:8px 12px;
  background:rgba(7,23,38,.78);
  font-family:var(--k-font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--k-cyan);
}

/* ---------- 11. tabs & folds ---------- */
.k-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-bottom:1px solid var(--k-line);
}

.k-tab{
  margin-bottom:-1px;
  padding:12px 18px;
  font-family:var(--k-font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--k-gray);
  border-bottom:2px solid transparent;
  transition:color .18s var(--k-ease),border-color .18s var(--k-ease);
}

.k-tab:hover{color:var(--k-chalk)}

.k-tab[aria-selected="true"]{
  color:var(--k-chalk);
  border-bottom-color:var(--k-signal);
}

.k-panel[hidden]{display:none}

.k-fold{border:1px solid var(--k-line)}
.k-fold + .k-fold{border-top:0}

.k-fold__btn{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  width:100%;
  padding:16px 18px;
  text-align:left;
  font-size:15px;
  color:var(--k-chalk);
  transition:background .18s var(--k-ease);
}

.k-fold__btn:hover{background:rgba(23,227,210,.06)}

.k-fold__btn::after{
  content:"+";
  flex:0 0 auto;
  font-family:var(--k-font-mono);
  font-size:16px;
  color:var(--k-cyan);
}

.k-fold__btn[aria-expanded="true"]::after{content:"–"}

.k-fold__body{
  padding:0 18px 18px;
  color:var(--k-gray);
}

.k-fold__body[hidden]{display:none}

/* ---------- 12. motion / a11y ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}

  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }

  .k-lift:hover::before,
  .k-lift:focus-within::before{transform:none}

  .k-btn:hover,
  .k-cta:hover,
  .k-footer__link:hover{transform:none}
}