/* ==========================================================================
   k8体育官网 · 中文版 — /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件 / 响应式
   ========================================================================== */

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

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

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

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

a { color: inherit; text-decoration: none; }

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

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

button { background: none; border: 0; cursor: pointer; }

[hidden] { display: none !important; }

/* --------------------------------------------------------------------------
   1. 设计变量
   -------------------------------------------------------------------------- */
:root {
  /* 色板 */
  --k8-black: #060910;
  --k8-steel: #0F1A28;
  --k8-indigo: #16263A;
  --k8-blue: #2F7BFF;
  --k8-green: #4FF0A5;
  --k8-orange: #FF7A2F;
  --k8-ice: #E8F1FF;
  --k8-mist: #93A7C0;
  --k8-line: #23384F;
  --k8-deepgreen: #0C2A20;
  --k8-ambered: #7A2E12;

  /* 字体 */
  --k8-font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB",
             "Microsoft YaHei", "Heiti SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --k8-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Menlo,
             Consolas, "Liberation Mono", monospace;

  /* 排版 */
  --k8-body: 16.5px;
  --k8-lh: 1.85;

  /* 尺寸 */
  --k8-wrap: 1240px;
  --k8-gutter: clamp(18px, 4vw, 44px);
  --k8-r-lg: 26px;
  --k8-r-md: 18px;
  --k8-r-sm: 10px;

  /* 节奏 */
  --k8-gap: clamp(16px, 2vw, 24px);
  --k8-block: clamp(48px, 7vw, 96px);
  --k8-shift: 0;
}

/* --------------------------------------------------------------------------
   2. 基础与中文排版
   -------------------------------------------------------------------------- */
body {
  background-color: var(--k8-black);
  background-image:
    radial-gradient(1180px 620px at 10% -12%, rgba(47, 123, 255, .16), transparent 62%),
    radial-gradient(920px 520px at 94% 2%, rgba(79, 240, 165, .09), transparent 64%);
  background-repeat: no-repeat;
  color: var(--k8-ice);
  font-family: var(--k8-font);
  font-size: var(--k8-body);
  line-height: var(--k8-lh);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#main-content { scroll-margin-top: 132px; }

:focus-visible {
  outline: 2px solid var(--k8-green);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: rgba(47, 123, 255, .4); color: #fff; }

.k8-h1, .k8-h2, .k8-h3, .k8-h4 {
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.16;
  color: #fff;
}

.k8-h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.08; }
.k8-h2 { font-size: clamp(26px, 3.4vw, 40px); }
.k8-h3 { font-size: clamp(20px, 2.2vw, 30px); }
.k8-h4 { font-size: clamp(17px, 1.6vw, 24px); }

.k8-lede {
  font-size: clamp(16px, 1.2vw, 17px);
  line-height: 1.85;
  color: var(--k8-mist);
  max-width: 34em;
}

.k8-prose { max-width: 36em; color: #cfe0f5; }
.k8-prose p + p { margin-top: 1.1em; }
.k8-prose a { color: var(--k8-blue); border-bottom: 1px solid rgba(47, 123, 255, .5); }

.k8-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--k8-green);
}

.k8-eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--k8-green);
  box-shadow: 0 0 10px rgba(79, 240, 165, .8);
}

.k8-caption {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--k8-mist);
}

.k8-data {
  font-family: var(--k8-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

.k8-tag {
  display: inline-block;
  font-family: var(--k8-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--k8-blue);
}

.k8-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border: 1px solid var(--k8-line);
  border-radius: 999px;
  background: rgba(22, 38, 58, .55);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--k8-mist);
}

.k8-chip--live { color: var(--k8-green); border-color: rgba(79, 240, 165, .42); background: var(--k8-deepgreen); }
.k8-chip--hot { color: var(--k8-orange); border-color: rgba(255, 122, 47, .42); background: rgba(122, 46, 18, .38); }

/* --------------------------------------------------------------------------
   3. 布局骨架
   -------------------------------------------------------------------------- */
.k8-wrap {
  width: 100%;
  max-width: var(--k8-wrap);
  margin-inline: auto;
  padding-inline: var(--k8-gutter);
}

.k8-section { padding-block: clamp(32px, 4vw, 60px); }

.k8-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(20px, 2.4vw, 34px);
}

.k8-split { display: grid; gap: clamp(22px, 3vw, 48px); }

.k8-grid { display: grid; gap: var(--k8-gap); }

.k8-cards {
  display: grid;
  gap: var(--k8-gap);
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
}

.k8-stack { display: grid; gap: var(--k8-gap); }

.k8-cluster { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

@media (min-width: 960px) {
  .k8-split { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; }
  .k8-split--reverse { grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); }
  .k8-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .k8-grid__span-3 { grid-column: span 3; }
  .k8-grid__span-4 { grid-column: span 4; }
  .k8-grid__span-5 { grid-column: span 5; }
  .k8-grid__span-6 { grid-column: span 6; }
  .k8-grid__span-7 { grid-column: span 7; }
  .k8-grid__span-8 { grid-column: span 8; }
  .k8-grid__span-12 { grid-column: span 12; }
}

/* --------------------------------------------------------------------------
   4. 内容块
   -------------------------------------------------------------------------- */
.k8-card {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--k8-line);
  border-radius: var(--k8-r-md);
  background: linear-gradient(158deg, var(--k8-steel), #0B1420 78%);
  transition: border-color .3s ease, transform .3s ease;
}

.k8-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -60% auto;
  width: 62%;
  height: 120%;
  background: radial-gradient(circle at 70% 70%, rgba(47, 123, 255, .16), transparent 70%);
  pointer-events: none;
}

.k8-card:hover { border-color: #33506F; }

.k8-card--accent { border-color: rgba(47, 123, 255, .5); }
.k8-card--quiet { background: var(--k8-indigo); }

.k8-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.k8-card__title { font-size: 18px; font-weight: 900; letter-spacing: -.01em; color: #fff; }

.k8-card__meta { font-family: var(--k8-mono); font-size: 12px; color: var(--k8-mist); }

.k8-card__foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--k8-line);
  font-size: 13px;
  color: var(--k8-mist);
}

.k8-note {
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--k8-blue);
  color: var(--k8-mist);
  font-size: 14.5px;
}

.k8-quote {
  position: relative;
  padding: clamp(20px, 2.6vw, 32px);
  border-radius: var(--k8-r-lg);
  background: linear-gradient(120deg, rgba(47, 123, 255, .14), rgba(79, 240, 165, .07) 62%, transparent);
  border: 1px solid var(--k8-line);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.7;
  color: #fff;
}

/* 技能树式路径 */
.k8-path { display: grid; gap: 0; }

.k8-path__step {
  position: relative;
  padding: 0 0 clamp(20px, 2.6vw, 32px) clamp(28px, 3.4vw, 46px);
  border-left: 1px solid var(--k8-line);
}

.k8-path__step:last-child { border-left-color: transparent; }

.k8-path__node {
  position: absolute;
  left: -7px;
  top: 4px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--k8-black);
  border: 2px solid var(--k8-blue);
}

.k8-path__step:nth-child(even) .k8-path__node { border-color: var(--k8-green); }
.k8-path__step:first-child .k8-path__node { background: var(--k8-green); border-color: var(--k8-green); box-shadow: 0 0 12px rgba(79, 240, 165, .7); }

.k8-path__body { display: grid; gap: 8px; }
.k8-path__body[hidden] { display: none !important; }

/* --------------------------------------------------------------------------
   5. 媒体容器（页面阶段放置图片占位）
   -------------------------------------------------------------------------- */
.k8-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--k8-r-md);
  border: 1px solid var(--k8-line);
  background:
    linear-gradient(140deg, var(--k8-indigo), var(--k8-steel) 55%, #0A1220),
    var(--k8-steel);
}

.k8-media::before {
  content: "";
  position: absolute;
  inset: auto -20% -40% 30%;
  height: 140%;
  background: linear-gradient(120deg, transparent, rgba(79, 240, 165, .14), transparent);
  transform: skewX(-12deg);
  pointer-events: none;
}

.k8-media--wide { aspect-ratio: 16 / 9; }
.k8-media--tall { aspect-ratio: 3 / 4; }
.k8-media--square { aspect-ratio: 1 / 1; }
.k8-media--band { aspect-ratio: 21 / 9; }

.k8-media__img { width: 100%; height: 100%; object-fit: cover; }

.k8-media__cap {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(6, 9, 16, .78);
  font-family: var(--k8-mono);
  font-size: 12px;
  color: var(--k8-ice);
}

/* --------------------------------------------------------------------------
   6. 按钮
   -------------------------------------------------------------------------- */
.k8-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease;
}

.k8-btn--primary {
  background: var(--k8-orange);
  color: #1A0C03;
  box-shadow: 0 10px 26px rgba(255, 122, 47, .26);
}

.k8-btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(255, 122, 47, .34); }

.k8-btn--ghost {
  border-color: var(--k8-line);
  background: rgba(22, 38, 58, .6);
  color: var(--k8-ice);
}

.k8-btn--ghost:hover { border-color: var(--k8-blue); color: #fff; }

.k8-btn--blue { background: var(--k8-blue); color: #04121F; }

/* --------------------------------------------------------------------------
   7. 面包屑
   -------------------------------------------------------------------------- */
.k8-crumbs { padding-block: 16px; }

.k8-crumbs__list { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; }

.k8-crumbs__item { color: var(--k8-mist); }

.k8-crumbs__item + .k8-crumbs__item::before { content: "/"; margin-right: 8px; color: var(--k8-line); }

.k8-crumbs__item a:hover { color: var(--k8-green); }

.k8-crumbs__item[aria-current="page"] { color: var(--k8-ice); }

/* --------------------------------------------------------------------------
   8. 标签切换与筛选
   -------------------------------------------------------------------------- */
.k8-tabs { display: grid; gap: 18px; }

.k8-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--k8-line);
  border-radius: 999px;
  background: rgba(15, 26, 40, .8);
}

.k8-tabs__btn {
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  color: var(--k8-mist);
  transition: background-color .24s ease, color .24s ease;
}

.k8-tabs__btn[aria-selected="true"] { background: var(--k8-blue); color: #04121F; }

.k8-tabs__panel { display: none; }
.k8-tabs__panel[data-active] { display: block; animation: k8-fade .24s ease-out both; }

.k8-filters { display: flex; flex-wrap: wrap; gap: 10px; }

.k8-filters__btn {
  padding: 8px 16px;
  border: 1px solid var(--k8-line);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--k8-mist);
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.k8-filters__btn:hover { color: var(--k8-ice); border-color: #33506F; }

.k8-filters__btn[aria-pressed="true"] {
  color: var(--k8-deepgreen);
  background: var(--k8-green);
  border-color: var(--k8-green);
}

/* --------------------------------------------------------------------------
   9. 头部
   -------------------------------------------------------------------------- */
.k8-skip {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 200;
  padding: 10px 20px;
  border-radius: 0 0 12px 12px;
  background: var(--k8-green);
  color: #04140C;
  font-weight: 700;
  transition: top .2s ease;
}

.k8-skip:focus { top: 0; }

.k8-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(6, 9, 16, .94);
  border-bottom: 1px solid var(--k8-line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.k8-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(35, 56, 79, .6);
  overflow: hidden;
}

.k8-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--k8-blue), var(--k8-green));
}

/* 上层信息条 */
.k8-topbar {
  border-bottom: 1px solid rgba(35, 56, 79, .7);
  background: linear-gradient(90deg, rgba(22, 38, 58, .8), rgba(6, 9, 16, .2));
}

.k8-topbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 22px;
  min-height: 68px;
  padding-block: 12px;
}

.k8-brand { display: inline-flex; align-items: center; gap: 12px; }

.k8-brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px 14px 14px 4px;
  background: linear-gradient(140deg, var(--k8-blue), var(--k8-green));
  color: #04121F;
  font-family: var(--k8-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
}

.k8-brand__text { display: grid; gap: 1px; }

.k8-brand__name { font-size: 17px; font-weight: 900; letter-spacing: -.01em; color: #fff; }

.k8-brand__line { font-size: 12px; letter-spacing: .1em; color: var(--k8-mist); }

.k8-topbar__side { display: flex; align-items: center; gap: 16px; }

.k8-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--k8-mist);
  letter-spacing: .02em;
}

.k8-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--k8-green);
  box-shadow: 0 0 0 0 rgba(79, 240, 165, .6);
  animation: k8-pulse 3.2s ease-in-out infinite;
}

.k8-topbar__cta { padding: 11px 20px; font-size: 14px; }

/* 下层栏目条 */
.k8-navrow { background: rgba(15, 26, 40, .78); }

.k8-navrow__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 54px;
}

.k8-nav { display: block; }

.k8-nav__list { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(14px, 2.4vw, 34px); }

.k8-nav__link {
  position: relative;
  display: inline-block;
  padding: 15px 2px 17px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--k8-mist);
  transition: color .22s ease;
}

.k8-nav__link:hover { color: var(--k8-ice); }

.k8-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--k8-green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s ease, opacity .24s ease;
  opacity: 0;
}

.k8-nav__link:hover::after { transform: scaleX(1); opacity: .45; }

.k8-nav__link[aria-current="page"] { color: #fff; }

.k8-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  opacity: 1;
  box-shadow: 0 0 12px rgba(79, 240, 165, .75);
  animation: k8-pulse-line 3.2s ease-in-out infinite;
}

/* 移动导航按钮 */
.k8-navtoggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--k8-line);
  border-radius: 999px;
  background: rgba(22, 38, 58, .7);
  color: var(--k8-ice);
  font-size: 13px;
  letter-spacing: .06em;
}

.k8-navtoggle__bars { display: grid; gap: 4px; width: 18px; }

.k8-navtoggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--k8-green);
  transition: transform .24s ease;
}

.k8-navtoggle[aria-expanded="true"] .k8-navtoggle__bars span:first-child { transform: translateY(3px) rotate(45deg); }
.k8-navtoggle[aria-expanded="true"] .k8-navtoggle__bars span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   10. 页脚
   -------------------------------------------------------------------------- */
.k8-footer {
  position: relative;
  margin-top: var(--k8-block);
  padding-top: 3px;
  background:
    radial-gradient(720px 320px at 88% 0%, rgba(47, 123, 255, .12), transparent 70%),
    var(--k8-black);
  border-top: 1px solid var(--k8-line);
}

.k8-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--k8-blue), var(--k8-green) 58%, var(--k8-orange));
  opacity: .9;
}

.k8-footer__grid {
  display: grid;
  gap: clamp(28px, 3vw, 54px);
  padding-block: clamp(44px, 6vw, 84px) clamp(28px, 4vw, 52px);
}

.k8-footer__brand { display: grid; gap: 14px; align-content: start; }

.k8-brand--footer .k8-brand__mark { width: 38px; height: 38px; border-radius: 12px 12px 12px 4px; font-size: 14px; }
.k8-brand--footer .k8-brand__name { font-size: 16px; }

.k8-footer__blurb { max-width: 32em; color: var(--k8-mist); font-size: 14.5px; }

.k8-footer__contact { font-family: var(--k8-mono); font-size: 13px; color: #C3D5EC; }

.k8-footer__note {
  max-width: 30em;
  padding-left: 14px;
  border-left: 2px solid var(--k8-deepgreen);
  font-size: 13px;
  color: var(--k8-mist);
}

.k8-footer__cols { display: grid; gap: 26px; grid-template-columns: repeat(2, minmax(0, 1fr)); }

.k8-footer__col { display: grid; gap: 14px; align-content: start; }

.k8-footer__title {
  font-family: var(--k8-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--k8-green);
}

.k8-footer__list { display: grid; gap: 9px; }

.k8-footer__link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--k8-mist);
  transition: color .2s ease, transform .2s ease;
}

.k8-footer__link:hover { color: var(--k8-ice); transform: translateX(3px); }

.k8-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 20px 32px;
  border-top: 1px solid var(--k8-line);
  font-size: 12.5px;
  color: var(--k8-mist);
}

.k8-footer__legal { display: flex; flex-wrap: wrap; gap: 18px; }

.k8-footer__copy, .k8-footer__icp { font-family: var(--k8-mono); letter-spacing: .04em; }

/* --------------------------------------------------------------------------
   11. 返回顶部与显现动效
   -------------------------------------------------------------------------- */
.k8-totop {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(14px, 3vw, 30px);
  z-index: 70;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--k8-line);
  border-radius: 50%;
  background: rgba(15, 26, 40, .92);
  color: var(--k8-green);
  font-family: var(--k8-mono);
  font-size: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .24s ease, transform .24s ease, visibility .24s;
}

.k8-totop[data-visible] { opacity: 1; visibility: visible; transform: none; }
.k8-totop:hover { border-color: var(--k8-green); }

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease;
}

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

@keyframes k8-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(79, 240, 165, .55); }
  50% { box-shadow: 0 0 0 6px rgba(79, 240, 165, 0); }
}

@keyframes k8-pulse-line {
  0%, 100% { opacity: 1; }
  50% { opacity: .55; }
}

@keyframes k8-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

@keyframes k8-sheet {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   12. 响应式
   -------------------------------------------------------------------------- */
@media (min-width: 640px) {
  .k8-footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .k8-footer__grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.85fr); }
}

@media (max-width: 920px) {
  .k8-topbar__inner { min-height: 0; }
  .k8-topbar__side { width: 100%; justify-content: space-between; }
  .k8-navrow__inner { min-height: 52px; padding-block: 6px; }
  .k8-navtoggle { display: inline-flex; }

  .k8-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    padding: 10px var(--k8-gutter) 22px;
    background: var(--k8-steel);
    border-bottom: 1px solid var(--k8-line);
    box-shadow: 0 26px 44px rgba(0, 0, 0, .55);
  }

  .k8-nav[data-open] { display: block; animation: k8-sheet .24s ease-out both; }

  .k8-nav__list { flex-direction: column; align-items: stretch; gap: 2px; }

  .k8-nav__link {
    padding: 14px 0 14px 16px;
    font-size: 16px;
    border-bottom: 1px solid rgba(35, 56, 79, .55);
  }

  .k8-nav__list .k8-nav__item:last-child .k8-nav__link { border-bottom: 0; }

  .k8-nav__link::after {
    left: 0;
    right: auto;
    top: 14px;
    bottom: 14px;
    width: 3px;
    height: auto;
    transform: scaleY(0);
    transform-origin: top center;
  }

  .k8-nav__link:hover::after { transform: scaleY(1); opacity: .45; }
  .k8-nav__link[aria-current="page"]::after { transform: scaleY(1); }

  .k8-footer__bottom { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .k8-brand__mark { width: 36px; height: 36px; font-size: 13px; }
  .k8-status { font-size: 12px; }
  .k8-topbar__cta { flex: 1 1 auto; }
  .k8-card__top { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .k8-totop { transition: none; }
}