/* ============================================================
   奇异果体育 · 共享站点皮肤 /assets/site.css
   母题：高原赛道记分板 —— 奶油纸底 / 果籽黑细线 / 翠绿赛道 / 经幡信号色
   ============================================================ */

/* ---------- 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, li, figure, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video, picture { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2 · 变量 ---------- */
:root {
  --kiwi: #4F9E3F;
  --kiwi-deep: #2E6B2C;
  --seed: #161714;
  --cream: #F7F1E3;
  --sky: #3B8DBF;
  --flag-orange: #E7622B;
  --flag-yellow: #F4B52E;
  --mist: #DDE6D3;
  --ink: #2B2119;
  --paper-line: #C9C2B4;

  --font-sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  --ks-header-h: 68px;
  --ks-gutter: 20px;
  --ks-max: 1280px;
  --ks-space-1: 8px;
  --ks-space-2: 16px;
  --ks-space-3: 24px;
  --ks-space-4: 32px;
  --ks-space-5: 48px;
  --ks-space-6: 64px;
}

/* ---------- 3 · 基础排版 ---------- */
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--cream);
  padding-top: var(--ks-header-h);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--seed);
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); font-weight: 900; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { max-width: 38em; }
strong { font-weight: 800; color: var(--seed); }
::selection { background: var(--flag-yellow); color: var(--seed); }
:focus-visible { outline: 3px solid var(--flag-yellow); outline-offset: 2px; }

.ks-sr {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ---------- 4 · 跳至主内容 ---------- */
.ks-skip {
  position: fixed; top: 10px; left: 10px; z-index: 300;
  padding: 10px 18px;
  background: var(--seed); color: var(--cream);
  font-weight: 800; font-size: 14px;
  border: 1px solid var(--flag-yellow);
  transform: translateY(-180%);
  transition: transform 160ms ease;
}
.ks-skip:focus { transform: translateY(0); }

/* ---------- 5 · 按钮与标签 ---------- */
.ks-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 20px;
  font-size: 14.5px; font-weight: 800; letter-spacing: 0.01em;
  color: var(--seed); background: var(--cream);
  border: 1px solid var(--seed); border-radius: 0;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}
.ks-btn:hover { background: var(--flag-yellow); color: var(--seed); }
.ks-btn--seed { background: var(--seed); color: var(--cream); border-color: var(--seed); }
.ks-btn--seed:hover { background: var(--kiwi); color: var(--seed); border-color: var(--seed); }
.ks-btn--kiwi { background: var(--kiwi); color: var(--cream); border-color: var(--seed); }
.ks-btn--kiwi:hover { background: var(--flag-orange); color: var(--cream); border-color: var(--seed); }
.ks-btn--ghost { background: transparent; color: var(--seed); }
.ks-btn--ghost:hover { background: var(--seed); color: var(--cream); }

.ks-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream); background: var(--seed);
  border: 1px solid var(--seed);
}
.ks-tag--orange { background: var(--flag-orange); color: #fff; border-color: var(--flag-orange); }
.ks-tag--yellow { background: var(--flag-yellow); color: var(--seed); border-color: var(--flag-yellow); }
.ks-tag--sky { background: var(--sky); color: #fff; border-color: var(--sky); }

/* ---------- 6 · 头部 ---------- */
.ks-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  --hdr-fg: var(--seed);
  --hdr-line: rgba(22, 23, 20, 0.16);
  color: var(--hdr-fg);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 160ms ease, border-color 160ms ease;
}
.ks-header[data-state="solid"],
.ks-header[data-nav-open] {
  background-color: var(--seed);
  --hdr-fg: var(--cream);
  --hdr-line: rgba(247, 241, 227, 0.22);
  border-bottom-color: rgba(247, 241, 227, 0.16);
}
.ks-header__bar {
  display: flex; align-items: center; gap: var(--ks-space-3);
  width: 100%; max-width: var(--ks-max);
  min-height: var(--ks-header-h);
  margin: 0 auto; padding: 0 var(--ks-gutter);
}
.ks-progress {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 3px; pointer-events: none;
}
.ks-progress__bar {
  display: block; height: 100%; width: 100%;
  background: var(--flag-yellow);
  transform: scaleX(0); transform-origin: 0 50%;
}

/* 品牌字标 */
.ks-brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; color: inherit; }
.ks-brand__mark {
  position: relative; flex: 0 0 auto;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: var(--kiwi);
  border: 1px solid var(--seed);
}
.ks-brand__mark::before {
  content: ""; width: 20px; height: 20px;
  background-image: radial-gradient(var(--seed) 1.5px, transparent 1.6px);
  background-size: 9px 9px;
  background-position: 1px 1px;
}
.ks-brand__text { display: flex; flex-direction: column; line-height: 1.06; }
.ks-brand__name { font-size: 16px; font-weight: 900; letter-spacing: 0.02em; }
.ks-brand__latin {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.24em; opacity: 0.68;
}

/* 主导航 */
.ks-nav { flex: 1 1 auto; display: flex; justify-content: center; }
.ks-nav__list { display: flex; align-items: center; gap: 2px; }
.ks-nav__item { display: block; }
.ks-nav__link {
  position: relative; display: block;
  padding: 10px 12px;
  font-size: 14.5px; font-weight: 700; white-space: nowrap;
  color: inherit;
  transition: color 150ms ease;
}
.ks-nav__link::before {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 3px;
  height: 2px; background: var(--flag-orange);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 160ms ease;
}
.ks-nav__link:hover::before,
.ks-nav__link:focus-visible::before { transform: scaleX(1); }
.ks-nav__link[aria-current="page"]::before {
  transform: scaleX(1);
  background: var(--flag-yellow);
  height: 3px;
}

/* 右侧工具区 */
.ks-header__util { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; margin-left: auto; }
.ks-icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  color: inherit;
  border: 1px solid var(--hdr-line);
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}
.ks-icon-btn:hover { background: var(--kiwi); color: var(--seed); border-color: var(--seed); }
.ks-icon-btn__glyph {
  position: relative; display: block;
  width: 13px; height: 13px;
  border: 2px solid currentColor; border-radius: 50%;
}
.ks-icon-btn__glyph::after {
  content: ""; position: absolute; right: -6px; bottom: -3px;
  width: 8px; height: 2px; background: currentColor;
  transform: rotate(45deg); transform-origin: 0 50%;
}
.ks-header__cta { padding: 10px 18px; font-size: 14px; }
.ks-header[data-state="solid"] .ks-header__cta,
.ks-header[data-nav-open] .ks-header__cta {
  background: var(--kiwi); color: var(--seed); border-color: var(--kiwi);
}
.ks-header[data-state="solid"] .ks-header__cta:hover,
.ks-header[data-nav-open] .ks-header__cta:hover {
  background: var(--flag-yellow); color: var(--seed); border-color: var(--flag-yellow);
}

/* 汉堡 */
.ks-nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border: 1px solid var(--hdr-line);
  color: inherit;
}
.ks-nav-toggle__bar {
  position: relative; display: block;
  width: 18px; height: 2px;
  background: currentColor;
  transition: background-color 150ms ease;
}
.ks-nav-toggle__bar::before,
.ks-nav-toggle__bar::after {
  content: ""; position: absolute; left: 0;
  width: 18px; height: 2px; background: currentColor;
  transition: transform 160ms ease;
}
.ks-nav-toggle__bar::before { top: -6px; }
.ks-nav-toggle__bar::after { top: 6px; }
.ks-nav-toggle[aria-expanded="true"] .ks-nav-toggle__bar { background: transparent; }
.ks-nav-toggle[aria-expanded="true"] .ks-nav-toggle__bar::before { transform: translateY(6px) rotate(45deg); }
.ks-nav-toggle[aria-expanded="true"] .ks-nav-toggle__bar::after { transform: translateY(-6px) rotate(-45deg); }

/* 移动端注册浮标 */
.ks-fab { display: none; }
.ks-fab__link {
  display: flex; align-items: center;
  padding: 12px 16px;
  font-size: 14px; font-weight: 800;
  color: var(--cream); background: var(--seed);
  border-left: 4px solid var(--kiwi);
}
.ks-fab__close {
  display: flex; align-items: center; justify-content: center;
  width: 34px;
  color: var(--cream); background: var(--seed);
  border-left: 1px solid rgba(247, 241, 227, 0.24);
  font-size: 18px; line-height: 1;
}
.ks-fab__close:hover { background: var(--flag-orange); }
.ks-fab[data-collapsed] { display: none !important; }

/* ---------- 7 · 页脚 ---------- */
.ks-footer {
  position: relative;
  background: var(--seed);
  color: var(--cream);
  margin-top: var(--ks-space-6);
}
.ks-footer__track {
  height: 10px;
  background: repeating-linear-gradient(
    90deg,
    var(--kiwi) 0 72px,
    var(--seed) 72px 80px,
    var(--flag-orange) 80px 128px,
    var(--seed) 128px 136px,
    var(--flag-yellow) 136px 184px,
    var(--seed) 184px 192px,
    var(--sky) 192px 240px,
    var(--seed) 240px 248px
  );
}
.ks-footer__inner {
  max-width: var(--ks-max);
  margin: 0 auto;
  padding: var(--ks-space-6) var(--ks-gutter) var(--ks-space-5);
}
.ks-footer__grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.5fr;
  gap: var(--ks-space-4);
}
.ks-footer__brand-name { display: block; font-size: 24px; font-weight: 900; letter-spacing: 0.01em; }
.ks-footer__brand-latin {
  display: block; margin-top: 6px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.26em; color: var(--kiwi);
}
.ks-footer__brand-note {
  margin-top: var(--ks-space-2);
  font-size: 14px; line-height: 1.75;
  color: rgba(247, 241, 227, 0.72);
  max-width: 34ch;
}
.ks-footer__badge {
  display: inline-block; margin-top: var(--ks-space-2);
  padding: 5px 10px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--flag-yellow);
  border: 1px solid rgba(247, 241, 227, 0.28);
}
.ks-footer__col { min-width: 0; }
.ks-footer__col-title {
  position: relative;
  padding-bottom: 10px; margin-bottom: 12px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--kiwi);
  border-bottom: 1px solid rgba(247, 241, 227, 0.16);
}
.ks-footer__col-title::after {
  content: ""; position: absolute; left: 0; bottom: -1px;
  width: 28px; height: 2px; background: var(--flag-yellow);
}
.ks-footer__list { display: flex; flex-direction: column; gap: 9px; }
.ks-footer__link {
  display: inline-block; padding: 2px 0;
  font-size: 14.5px; color: rgba(247, 241, 227, 0.82);
  border-bottom: 1px solid transparent;
  transition: color 150ms ease, border-color 150ms ease;
}
.ks-footer__link:hover { color: var(--flag-yellow); border-bottom-color: var(--flag-orange); }
.ks-contact-line {
  display: flex; gap: 10px; align-items: baseline;
  font-size: 14px; line-height: 1.6;
  color: rgba(247, 241, 227, 0.82);
}
.ks-contact-line__label {
  flex: 0 0 auto; width: 34px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--kiwi);
}
.ks-contact-line__value { word-break: break-word; }
.ks-footer__note {
  margin-top: var(--ks-space-2);
  font-size: 12.5px; line-height: 1.7;
  color: rgba(247, 241, 227, 0.55);
  max-width: 36ch;
}
.ks-footer__bottom {
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
  max-width: var(--ks-max);
  margin: 0 auto;
  padding: 18px var(--ks-gutter) 28px;
  border-top: 1px solid rgba(247, 241, 227, 0.16);
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(247, 241, 227, 0.6);
}
.ks-footer__meta { color: rgba(247, 241, 227, 0.45); }

/* ---------- 8 · 通用版式组件 ---------- */
.ks-container {
  width: 100%; max-width: var(--ks-max);
  margin: 0 auto; padding: 0 var(--ks-gutter);
}
.ks-section { padding: var(--ks-space-5) 0; border-top: 1px solid var(--paper-line); }
.ks-section:first-of-type { border-top: 0; }
.ks-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--ks-space-2); }
.ks-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--kiwi-deep);
}
.ks-eyebrow::before { content: ""; width: 20px; height: 3px; background: var(--flag-orange); }
.ks-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700; letter-spacing: -0.02em;
  line-height: 0.95;
}
.ks-card {
  position: relative;
  padding: var(--ks-space-3);
  background: var(--cream);
  border: 1px solid var(--seed);
}
.ks-card--seed { background: var(--seed); color: var(--cream); }
.ks-card--seed :is(h2, h3, h4, strong) { color: var(--cream); }
.ks-card--mist { background: var(--mist); }
.ks-card--kiwi { background: var(--kiwi); color: var(--cream); }
.ks-card--kiwi :is(h2, h3, h4, strong) { color: var(--cream); }

/* 面包屑 */
.ks-breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 14px 0;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--kiwi-deep);
}
.ks-breadcrumb a:hover { color: var(--seed); border-bottom: 1px solid var(--flag-orange); }
.ks-breadcrumb__sep { color: var(--paper-line); }
.ks-breadcrumb [aria-current="page"] { color: var(--ink); }

/* 页内目录 */
.ks-toc { display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--paper-line); }
.ks-toc__link {
  display: block; margin-left: -1px;
  padding: 6px 0 6px 12px;
  font-size: 14px; line-height: 1.5;
  color: var(--kiwi-deep);
  border-left: 2px solid transparent;
  transition: color 150ms ease, border-color 150ms ease;
}
.ks-toc__link:hover { color: var(--seed); }
.ks-toc__link[aria-current="true"] {
  color: var(--seed); font-weight: 700;
  border-left-color: var(--flag-yellow);
}

/* 图片容器基础规则（共享外壳不放图，页面阶段填充） */
.ks-media {
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--mist);
  border: 1px solid var(--seed);
}
.ks-media img,
.ks-media picture,
.ks-media video { width: 100%; height: 100%; object-fit: cover; display: block; }
.ks-media--wide { aspect-ratio: 16 / 9; }
.ks-media--tall { aspect-ratio: 3 / 4; }
.ks-media--square { aspect-ratio: 1 / 1; }
.ks-media__caption {
  position: absolute; left: 0; bottom: 0;
  padding: 6px 10px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  background: var(--seed); color: var(--cream);
}
.ks-media::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--kiwi) 0 30%,
    var(--flag-orange) 30% 55%,
    var(--flag-yellow) 55% 80%,
    var(--sky) 80% 100%
  );
}

/* 首屏压入透明导航 */
.ks-underlay { margin-top: calc(var(--ks-header-h) * -1); }

/* 进场动画（由 .ks-js 门控，无 JS 时内容始终可见） */
.ks-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 320ms ease, transform 320ms ease;
}
.ks-js [data-reveal][data-revealed] { opacity: 1; transform: none; }

/* ---------- 9 · 响应式 ---------- */
@media (max-width: 1080px) {
  .ks-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .ks-footer__col--contact { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  :root { --ks-header-h: 60px; }
  .ks-header__bar { gap: var(--ks-space-2); }
  .ks-header__cta { display: none; }
  .ks-nav-toggle { display: flex; }

  .ks-nav {
    position: fixed; left: 0; right: 0; top: var(--ks-header-h);
    display: block;
    flex: 0 0 auto;
    padding: 4px var(--ks-gutter) 22px;
    background: var(--seed);
    border-bottom: 1px solid rgba(247, 241, 227, 0.16);
    max-height: calc(100vh - var(--ks-header-h));
    overflow-y: auto;
    clip-path: inset(0 0 100% 0);
    opacity: 0; pointer-events: none;
    transition: clip-path 200ms ease, opacity 160ms ease;
  }
  .ks-nav[data-open] { clip-path: inset(0 0 0 0); opacity: 1; pointer-events: auto; }
  .ks-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .ks-nav__link {
    padding: 14px 2px;
    font-size: 17px;
    color: var(--cream);
    border-bottom: 1px solid rgba(247, 241, 227, 0.14);
  }
  .ks-nav__link::before { display: none; }
  .ks-nav__link:hover { color: var(--flag-orange); }
  .ks-nav__link[aria-current="page"] { color: var(--flag-yellow); }

  .ks-fab {
    position: fixed; right: 12px; bottom: 16px; z-index: 95;
    display: flex; align-items: stretch;
    border: 1px solid var(--seed);
    box-shadow: 5px 5px 0 rgba(22, 23, 20, 0.22);
  }

  .ks-grid { grid-template-columns: repeat(6, 1fr); }
}

@media (max-width: 640px) {
  :root { --ks-gutter: 16px; }
  .ks-brand__latin { display: none; }
  .ks-brand__mark { width: 30px; height: 30px; }
  .ks-footer__grid { grid-template-columns: 1fr; gap: var(--ks-space-3); }
  .ks-footer__inner { padding-top: var(--ks-space-5); }
  .ks-footer__bottom { flex-direction: column; }
  .ks-grid { grid-template-columns: repeat(4, 1fr); }
  .ks-section { padding: var(--ks-space-4) 0; }
}

/* ---------- 10 · 动效偏好与打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .ks-js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .ks-header, .ks-fab, .ks-skip, .ks-footer__track { display: none !important; }
  body { padding-top: 0; background: #fff; color: #000; }
  .ks-footer { background: #fff; color: #000; }
}