/* ============================================================
   开云体育官方 · 中国区内容平台  /assets/site.css
   共享骨架：reset、变量、中文排版、页头、页脚、按钮、网格、基础组件
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
}

body {
  margin: 0;
  font-family: var(--ky-sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ky-ink);
  background: var(--ky-ivory);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 800; line-height: 1.24; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; }

/* ---------- 变量 ---------- */
:root {
  --ky-ink: #0B0F0E;
  --ky-ivory: #F7F5EF;
  --ky-green: #1F8A70;
  --ky-green-deep: #16705A;
  --ky-blue: #2D7DD2;
  --ky-orange: #FF6B35;
  --ky-violet: #7C3AED;
  --ky-slate: #243B36;
  --ky-mist: #DCEFE6;
  --ky-amber: #F4B942;

  --ky-line: rgba(36, 59, 54, .16);
  --ky-line-strong: rgba(36, 59, 54, .34);
  --ky-on-dark: rgba(247, 245, 239, .78);
  --ky-on-dark-soft: rgba(247, 245, 239, .58);
  --ky-hair-dark: rgba(247, 245, 239, .14);

  --ky-radius-xs: 10px;
  --ky-radius-s: 14px;
  --ky-radius-m: 20px;
  --ky-radius-l: 28px;
  --ky-radius-xl: 40px;

  --ky-max: 1200px;
  --ky-gutter: clamp(16px, 4vw, 40px);
  --ky-gap: clamp(14px, 1.8vw, 24px);

  --ky-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ky-serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", Georgia, serif;
  --ky-mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, "Courier New", monospace;

  --ky-ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 焦点 ---------- */
:focus-visible {
  outline: 2px solid var(--ky-blue);
  outline-offset: 3px;
  border-radius: 8px;
}
.ky-header :focus-visible,
.ky-footer__cut:focus-visible { outline-color: var(--ky-amber); }

/* ---------- 布局容器 ---------- */
.ky-shell {
  width: min(100% - var(--ky-gutter) * 2, var(--ky-max));
  margin-inline: auto;
}

.ky-section { padding-block: clamp(40px, 6vw, 88px); }

.ky-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.ky-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ky-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ky-green);
}
.ky-eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.ky-heading {
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 900;
  letter-spacing: -.01em;
}

.ky-display {
  display: inline-block;
  font-weight: 900;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -.02em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.ky-lede {
  font-family: var(--ky-serif);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.85;
  color: var(--ky-slate);
  max-width: 62ch;
}

.ky-hr {
  height: 1px;
  border: 0;
  background: var(--ky-line);
}

/* ---------- 跳转链接 ---------- */
.ky-skip {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--ky-amber);
  color: var(--ky-ink);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform .2s var(--ky-ease);
}
.ky-skip:focus { transform: translateY(0); }

/* ---------- 页头 ---------- */
.ky-header {
  position: sticky;
  top: 0;
  z-index: 60;
  isolation: isolate;
  background: var(--ky-ink);
  color: var(--ky-ivory);
}
.ky-header::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(112deg, rgba(247, 245, 239, .045) 0 1px, transparent 1px 16px);
}
.ky-header__glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(540px 190px at 10% -50%, rgba(31, 138, 112, .55), transparent 72%),
    radial-gradient(460px 170px at 88% -40%, rgba(45, 125, 210, .42), transparent 74%),
    radial-gradient(300px 130px at 60% -30%, rgba(124, 58, 237, .22), transparent 76%);
}
.ky-header__top {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--ky-hair-dark);
}
.ky-header__topInner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 28px);
  padding-block: 13px;
}
.ky-header__bottom {
  position: relative;
  z-index: 1;
  background: rgba(247, 245, 239, .04);
}
.ky-header__bottomInner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 9px;
}
.ky-header__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--ky-green), var(--ky-amber) 58%, var(--ky-orange));
}

/* 品牌 */
.ky-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex: 0 0 auto;
}
.ky-brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--ky-green), var(--ky-blue));
  flex: 0 0 auto;
}
.ky-brand__mark i {
  display: block;
  width: 18px;
  height: 4px;
  border-radius: 2px;
  background: var(--ky-ivory);
  box-shadow: 0 -7px 0 rgba(247, 245, 239, .62), 0 7px 0 var(--ky-amber);
}
.ky-brand__text { display: grid; }
.ky-brand__title {
  display: inline-block;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.01em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
  color: var(--ky-ivory);
}
.ky-brand__sub {
  font-family: var(--ky-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ky-on-dark-soft);
}

/* 状态条 */
.ky-ticker {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ky-on-dark);
}
.ky-ticker__pulse {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ky-amber);
  box-shadow: 0 0 0 4px rgba(244, 185, 66, .18);
}
.ky-ticker__line {
  font-weight: 700;
  color: var(--ky-ivory);
  white-space: nowrap;
}
.ky-ticker__list {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
  overflow: hidden;
}
.ky-ticker__item { position: relative; white-space: nowrap; }
.ky-ticker__item + .ky-ticker__item::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(247, 245, 239, .38);
  transform: translateY(-50%);
}

/* 移动导航按钮 */
.ky-nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(247, 245, 239, .28);
  background: rgba(247, 245, 239, .06);
  color: var(--ky-ivory);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .18s var(--ky-ease), background-color .18s var(--ky-ease);
}
.ky-nav-toggle:hover {
  border-color: var(--ky-green);
  background: rgba(31, 138, 112, .24);
}
.ky-nav-toggle__label { line-height: 1; }
.ky-nav-toggle__bars { display: grid; gap: 3px; width: 16px; }
.ky-nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s var(--ky-ease), opacity .2s var(--ky-ease);
}
.ky-nav-toggle[aria-expanded="true"] .ky-nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.ky-nav-toggle[aria-expanded="true"] .ky-nav-toggle__bars span:nth-child(2) { opacity: 0; }
.ky-nav-toggle[aria-expanded="true"] .ky-nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 主导航 */
.ky-nav__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}
.ky-nav__item { display: block; }
.ky-nav__link {
  position: relative;
  display: inline-block;
  padding: 9px 15px;
  border-radius: 999px;
  color: var(--ky-on-dark);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: color .18s var(--ky-ease), background-color .18s var(--ky-ease);
}
.ky-nav__link::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 5px;
  height: 2px;
  border-radius: 2px;
  background: var(--ky-amber);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .22s var(--ky-ease);
}
.ky-nav__link:hover {
  color: var(--ky-ivory);
  background: rgba(247, 245, 239, .08);
}
.ky-nav__link:hover::after { transform: scaleX(1); }
.ky-nav__link[aria-current="page"] {
  background: var(--ky-green);
  color: #FFFFFF;
  font-weight: 800;
}
.ky-nav__link[aria-current="page"]::after { transform: scaleX(0); }

/* ---------- 按钮 ---------- */
.ky-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color .18s var(--ky-ease), color .18s var(--ky-ease), border-color .18s var(--ky-ease), transform .18s var(--ky-ease);
}
.ky-btn--primary { background: var(--ky-green); color: #FFFFFF; }
.ky-btn--primary:hover { background: var(--ky-green-deep); transform: translateY(-1px); }
.ky-btn--ghost {
  background: transparent;
  border-color: var(--ky-line-strong);
  color: var(--ky-ink);
}
.ky-btn--ghost:hover { border-color: var(--ky-green); color: var(--ky-green); }
.ky-btn--capsule {
  background: var(--ky-ink);
  color: var(--ky-ivory);
  padding: 10px 18px;
  font-size: 14px;
}
.ky-btn--capsule:hover { background: var(--ky-green); }
.ky-btn--block { width: 100%; }
.ky-header__cta { flex: 0 0 auto; padding: 10px 20px; font-size: 14px; }

/* ---------- 网格 ---------- */
.ky-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--ky-gap);
}
.ky-span-2 { grid-column: span 2; }
.ky-span-3 { grid-column: span 3; }
.ky-span-4 { grid-column: span 4; }
.ky-span-5 { grid-column: span 5; }
.ky-span-6 { grid-column: span 6; }
.ky-span-7 { grid-column: span 7; }
.ky-span-8 { grid-column: span 8; }
.ky-span-12 { grid-column: span 12; }

/* ---------- Bento 卡片 ---------- */
.ky-card {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--ky-line);
  border-radius: var(--ky-radius-l);
  background: #FFFFFF;
  transition: transform .2s var(--ky-ease), border-color .2s var(--ky-ease), box-shadow .2s var(--ky-ease);
}
.ky-card:hover {
  transform: translateY(-3px);
  border-color: var(--ky-green);
  box-shadow: 0 14px 34px rgba(11, 15, 14, .08);
}
.ky-card--focus {
  background: var(--ky-ink);
  color: var(--ky-ivory);
  border-color: transparent;
}
.ky-card--focus:hover { border-color: var(--ky-green); }
.ky-card--mist {
  background: var(--ky-mist);
  border-color: transparent;
}
.ky-card__title {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  margin-bottom: 8px;
}
.ky-card__text {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ky-slate);
}
.ky-card--focus .ky-card__text { color: var(--ky-on-dark); }
.ky-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  font-family: var(--ky-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ky-on-dark-soft);
}
.ky-card--focus .ky-card__meta { color: var(--ky-on-dark-soft); }
.ky-card__meta { color: var(--ky-slate); opacity: .78; }

/* ---------- 胶囊筛选 ---------- */
.ky-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ky-pill {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--ky-line-strong);
  background: transparent;
  color: var(--ky-slate);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .18s var(--ky-ease), color .18s var(--ky-ease), border-color .18s var(--ky-ease);
}
.ky-pill:hover { border-color: var(--ky-green); color: var(--ky-green); }
.ky-pill.is-active,
.ky-pill[aria-pressed="true"] {
  background: var(--ky-ink);
  border-color: var(--ky-ink);
  color: var(--ky-ivory);
}

/* ---------- 标签 ---------- */
.ky-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .02em;
  background: rgba(31, 138, 112, .12);
  color: var(--ky-green-deep);
}
.ky-tag--green { background: rgba(31, 138, 112, .12); color: var(--ky-green-deep); }
.ky-tag--blue { background: rgba(45, 125, 210, .12); color: var(--ky-blue); }
.ky-tag--orange { background: rgba(255, 107, 53, .14); color: #C8461A; }
.ky-tag--violet { background: rgba(124, 58, 237, .12); color: var(--ky-violet); }
.ky-tag--amber { background: rgba(244, 185, 66, .2); color: #8A6209; }

/* ---------- 数据 ---------- */
.ky-stat { display: flex; flex-direction: column; gap: 4px; }
.ky-stat__value {
  font-family: var(--ky-mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.ky-stat__label {
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--ky-slate);
}
.ky-card--focus .ky-stat__label { color: var(--ky-on-dark); }

/* ---------- 面包屑 ---------- */
.ky-breadcrumb { font-size: 14px; }
.ky-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.ky-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ky-slate);
}
.ky-breadcrumb__link {
  color: var(--ky-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ky-ease), color .18s var(--ky-ease);
}
.ky-breadcrumb__link:hover {
  color: var(--ky-orange);
  border-bottom-color: currentColor;
}
.ky-breadcrumb__sep { color: var(--ky-line-strong); }

/* ---------- 正文容器 ---------- */
.ky-prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ky-slate);
}
.ky-prose > * + * { margin-top: 1.05em; }
.ky-prose h2 {
  font-family: var(--ky-serif);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  color: var(--ky-ink);
  margin-top: 1.8em;
}
.ky-prose h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--ky-ink);
  margin-top: 1.5em;
}
.ky-prose a {
  color: var(--ky-blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.ky-prose a:hover { color: var(--ky-orange); }
.ky-prose ul,
.ky-prose ol { padding-left: 1.25em; }
.ky-prose li { list-style: disc; margin-top: .4em; }
.ky-prose ol li { list-style: decimal; }
.ky-prose strong { color: var(--ky-ink); }

/* ---------- 图片容器（页面阶段放置占位） ---------- */
.ky-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--ky-radius-l);
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(31, 138, 112, .2), rgba(45, 125, 210, .18) 52%, rgba(124, 58, 237, .16)),
    var(--ky-ink);
}
.ky-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(118deg, rgba(247, 245, 239, .1) 0 2px, transparent 2px 16px);
}
.ky-media__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ky-media__caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  font-size: 13px;
  font-weight: 600;
  color: var(--ky-ivory);
  text-shadow: 0 1px 10px rgba(11, 15, 14, .6);
}
.ky-media--wide { aspect-ratio: 21 / 9; }
.ky-media--tall { aspect-ratio: 3 / 4; }
.ky-media--square { aspect-ratio: 1 / 1; }

/* ---------- 页脚 ---------- */
.ky-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--ky-mist);
  color: var(--ky-ink);
}
.ky-footer__cut {
  height: 8px;
  background: linear-gradient(90deg, var(--ky-green), var(--ky-blue) 42%, var(--ky-violet) 74%, var(--ky-orange));
  clip-path: polygon(0 0, 100% 0, 100% 42%, 0 100%);
}
.ky-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.5fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 52px);
  padding-block: clamp(36px, 5vw, 64px) clamp(24px, 3vw, 40px);
}
.ky-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.ky-footer__brand .ky-brand__title { color: var(--ky-ink); }
.ky-footer__brand .ky-brand__sub { color: var(--ky-slate); opacity: .72; }
.ky-footer__brand .ky-brand__mark i { box-shadow: 0 -7px 0 rgba(247, 245, 239, .55), 0 7px 0 var(--ky-amber); }
.ky-footer__lede {
  font-family: var(--ky-serif);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ky-slate);
  max-width: 34ch;
}
.ky-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
}
.ky-footer__col { display: flex; flex-direction: column; gap: 12px; }
.ky-footer__colTitle {
  font-family: var(--ky-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ky-green-deep);
}
.ky-footer__links { display: flex; flex-direction: column; gap: 9px; }
.ky-footer__link {
  position: relative;
  display: inline-block;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ky-slate);
  text-decoration: none;
  padding-bottom: 2px;
}
.ky-footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--ky-green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .22s var(--ky-ease);
}
.ky-footer__link:hover { color: var(--ky-green-deep); }
.ky-footer__link:hover::after { transform: scaleX(1); }

.ky-footer__contact { display: flex; flex-direction: column; gap: 12px; }
.ky-footer__contactList { display: flex; flex-direction: column; gap: 12px; }
.ky-footer__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  font-size: 14.5px;
}
.ky-footer__label {
  flex: 0 0 auto;
  font-family: var(--ky-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ky-green-deep);
}
.ky-footer__value {
  color: var(--ky-ink);
  font-weight: 600;
  word-break: break-all;
}
.ky-copy {
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid var(--ky-line-strong);
  background: transparent;
  color: var(--ky-slate);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color .18s var(--ky-ease), color .18s var(--ky-ease), border-color .18s var(--ky-ease);
}
.ky-copy:hover { border-color: var(--ky-green); color: var(--ky-green-deep); }
.ky-copy[data-copied] {
  background: var(--ky-green);
  border-color: var(--ky-green);
  color: #FFFFFF;
}
.ky-copy__field {
  position: fixed;
  top: 0;
  left: -9999px;
  opacity: 0;
}
.ky-footer__note {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ky-slate);
  opacity: .86;
  max-width: 40ch;
}

.ky-footer__bar {
  border-top: 1px solid var(--ky-line);
  background: rgba(11, 15, 14, .04);
}
.ky-footer__barInner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding-block: 16px 20px;
  font-size: 13.5px;
  color: var(--ky-slate);
}
.ky-footer__legal { display: flex; flex-wrap: wrap; gap: 12px; }
.ky-footer__icp {
  font-family: var(--ky-mono);
  letter-spacing: .04em;
  color: var(--ky-slate);
}
.ky-footer__copy { color: var(--ky-slate); opacity: .85; }

/* ---------- 响应式：平板 ---------- */
@media (max-width: 1023px) {
  .ky-span-2,
  .ky-span-3,
  .ky-span-4 { grid-column: span 6; }
  .ky-span-5,
  .ky-span-7,
  .ky-span-8 { grid-column: span 12; }

  .ky-footer__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .ky-footer__contact { grid-column: span 2; }
}

/* ---------- 响应式：移动与折叠导航 ---------- */
@media (max-width: 899px) {
  html { scroll-padding-top: 96px; }

  .ky-header__topInner { padding-block: 11px; }
  .ky-ticker__list { display: none; }
  .ky-nav-toggle { display: inline-flex; margin-left: auto; }

  .ky-header__bottom { background: transparent; }
  .ky-header__bottomInner {
    display: block;
    padding-block: 0;
  }
  .ky-nav { display: none; }
  .ky-nav[data-open] {
    display: block;
    padding: 10px 0 14px;
    border-top: 1px solid var(--ky-hair-dark);
  }
  .ky-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    max-height: 64vh;
    overflow-y: auto;
  }
  .ky-nav__link {
    display: block;
    padding: 12px 16px;
    border-radius: var(--ky-radius-s);
    font-size: 16px;
  }
  .ky-nav__link::after { display: none; }
  .ky-nav__link[aria-current="page"] { border-radius: var(--ky-radius-s); }
  .ky-header__cta { display: none; }

  .ky-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- 响应式：手机 ---------- */
@media (max-width: 639px) {
  body { font-size: 16px; }

  .ky-span-2,
  .ky-span-3,
  .ky-span-4,
  .ky-span-5,
  .ky-span-6,
  .ky-span-7,
  .ky-span-8 { grid-column: span 12; }

  .ky-brand__sub { display: none; }
  .ky-ticker__line { font-size: 12px; }

  .ky-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .ky-footer__contact { grid-column: span 1; }
  .ky-footer__nav { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .ky-footer__barInner { flex-direction: column; align-items: flex-start; }
  .ky-footer__lede { max-width: none; }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .ky-card:hover { transform: none; }
  .ky-btn--primary:hover { transform: none; }
  .ky-skip { transition: none; }
}