/* ========================================================
   KAIYUN 全站共享样式 /assets/site.css
   暗夜蓝 · 荧光绿 · 电光橙 —— V3.0 计分牌式数据终端
   ======================================================== */

/* ---------- 变量与重置 ---------- */
:root {
  --ky-bg: #0a1128;
  --ky-bg-deep: #060c1e;
  --ky-green: #39ff14;
  --ky-orange: #ff6b00;
  --ky-gray: #4a4e5a;
  --ky-moss: #7a8450;
  --ky-terra: #c86b4a;
  --ky-cream: #f5f0e8;
  --ky-text: #e8eaf2;
  --ky-text-dim: #8e94a8;
  --ky-text-dark: #0a1128;
  --ky-border: #2a2f4a;

  --ky-font-head: Impact, "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --ky-font-body: "Noto Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --ky-font-mono: "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;

  --ky-container-w: 1280px;
  --ky-gap: clamp(16px, 3vw, 32px);
  --ky-header-h: 72px;
  --ky-header-meta-h: 28px;
  --ky-header-total: calc(var(--ky-header-h) + var(--ky-header-meta-h));
  --ky-transition: 0.24s ease;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--ky-font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ky-text);
  background: var(--ky-bg);
  -webkit-font-smoothing: antialiased;
}

main,
#main-content { flex: 1 0 auto; width: 100%; }

h1, h2, h3, h4, p, figure, dl, dd, blockquote { margin: 0; }
ul[class], ol[class] { list-style: none; margin: 0; padding: 0; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: var(--ky-green); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; border: 0; background: transparent; padding: 0; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--ky-green); outline-offset: 2px; }
::selection { background: var(--ky-orange); color: #fff; }

/* ---------- 基础排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--ky-font-head);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--ky-text);
}
h1 { font-size: clamp(30px, 5vw, 56px); }
h2 { font-size: clamp(24px, 3.6vw, 40px); }
h3 { font-size: 22px; }
h4 { font-size: 18px; }

.mono, code, kbd, samp { font-family: var(--ky-font-mono); }

/* ---------- 容器与分区 ---------- */
.ky-container {
  width: min(100% - 48px, var(--ky-container-w));
  margin-inline: auto;
}
.ky-container--narrow { width: min(100% - 48px, 880px); }

@media (max-width: 600px) {
  .ky-container,
  .ky-container--narrow { width: calc(100% - 32px); }
}

.ky-section {
  padding: clamp(56px, 9vw, 120px) 0;
  background: var(--ky-bg);
}
.ky-section--light {
  background: var(--ky-cream);
  color: var(--ky-text-dark);
}
.ky-section--light h1,
.ky-section--light h2,
.ky-section--light h3,
.ky-section--light h4 { color: var(--ky-text-dark); }
.ky-section--light a { color: #14602a; }
.ky-section--stone { background: var(--ky-bg-deep); }

/* 非首屏页顶部标题区 */
.ky-page-intro {
  padding: calc(var(--ky-header-total) + 2rem) 0 2.5rem;
  background: var(--ky-bg-deep);
  border-bottom: 1px solid var(--ky-border);
}
.ky-page-intro__meta {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ky-moss);
  margin-bottom: 10px;
}
.ky-page-intro__meta::before { content: "// "; color: var(--ky-orange); }
.ky-page-intro__title {
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ky-text);
}
.ky-page-intro__title::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 20px;
  background: var(--ky-green);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.55);
}

/* ---------- 头部 ---------- */
.ky-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  color: var(--ky-text);
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.ky-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6,12,30,0.85) 0%, rgba(6,12,30,0.45) 62%, rgba(6,12,30,0) 100%);
  transition: opacity 0.3s ease;
}
.ky-header[data-scrolled="true"] {
  background-color: rgba(6, 12, 30, 0.95);
  border-bottom-color: var(--ky-border);
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.42);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}
.ky-header[data-scrolled="true"]::before { opacity: 0; }

.ky-skip-link {
  position: fixed;
  top: -48px;
  left: 16px;
  z-index: 2000;
  background: var(--ky-green);
  color: var(--ky-bg);
  font-weight: 700;
  padding: 10px 18px;
  font-size: 14px;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%, 12px 50%);
  transition: top 0.2s ease;
}
.ky-skip-link:focus-visible { top: 8px; }

.ky-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 5;
  background: linear-gradient(90deg, var(--ky-green) 0 55%, var(--ky-orange) 55% 100%);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

.ky-header__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--ky-header-meta-h);
  padding-inline: clamp(16px, 4vw, 48px);
  background: rgba(6, 12, 30, 0.55);
  border-bottom: 1px solid rgba(42, 47, 74, 0.6);
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ky-moss);
  white-space: nowrap;
  overflow: hidden;
  transition: height 0.3s ease, opacity 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.ky-header[data-scrolled="true"] .ky-header__meta {
  height: 0;
  opacity: 0;
  background: transparent;
  border-bottom-color: transparent;
}
.ky-meta-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ky-green);
  box-shadow: 0 0 8px var(--ky-green);
  flex: 0 0 auto;
  animation: ky-pulse 2.2s ease-in-out infinite;
}
@keyframes ky-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.78); }
}
.ky-meta-text { color: var(--ky-moss); }
.ky-meta-text--sep { color: var(--ky-orange); opacity: 0.65; }

.ky-header__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: var(--ky-header-h);
  padding-inline: clamp(16px, 4vw, 48px);
}

/* 品牌标识 */
.ky-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  flex: 0 0 auto;
}
.ky-logo__name {
  font-family: var(--ky-font-head);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--ky-text);
  position: relative;
}
.ky-logo__name::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--ky-green);
  margin-left: 6px;
  vertical-align: middle;
  box-shadow: 0 0 8px var(--ky-green);
}
.ky-logo__ver {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--ky-green);
  color: var(--ky-green);
  font-family: var(--ky-font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.12em;
  box-shadow: inset 0 0 8px rgba(57, 255, 20, 0.12);
  white-space: nowrap;
}
.ky-logo:hover { text-decoration: none; }

/* 桌面导航 */
.ky-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.ky-nav__item { margin: 0; }
.ky-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ky-text);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.ky-nav__link:hover { color: var(--ky-green); text-decoration: none; }
.ky-nav__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 2px;
  background: var(--ky-green);
  box-shadow: 0 0 8px var(--ky-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}
.ky-nav__link:hover::after,
.ky-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.ky-nav__link[aria-current="page"] { color: var(--ky-green); }
.ky-nav__index {
  font-family: var(--ky-font-mono);
  font-size: 10px;
  color: var(--ky-orange);
  letter-spacing: 0.1em;
}
.ky-nav__label { letter-spacing: 0.02em; }

/* 移动开关 */
.ky-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 40px;
  flex: 0 0 auto;
  margin-left: auto;
}
.ky-toggle__bar {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--ky-text);
  transition: top 0.25s ease, transform 0.25s ease, opacity 0.25s ease, background 0.25s ease;
}
.ky-toggle__bar:nth-child(1) { top: 12px; background: var(--ky-orange); }
.ky-toggle__bar:nth-child(2) { top: 19px; background: var(--ky-green); }
.ky-toggle__bar:nth-child(3) { top: 26px; background: var(--ky-text); }
.ky-toggle__text {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ky-text-dim);
}
.ky-toggle[aria-expanded="true"] .ky-toggle__bar:nth-child(1) { top: 19px; transform: rotate(45deg); background: var(--ky-green); }
.ky-toggle[aria-expanded="true"] .ky-toggle__bar:nth-child(2) { opacity: 0; }
.ky-toggle[aria-expanded="true"] .ky-toggle__bar:nth-child(3) { top: 19px; transform: rotate(-45deg); background: var(--ky-orange); }
.ky-toggle[aria-expanded="true"] .ky-toggle__text { color: var(--ky-orange); }

@media (max-width: 960px) {
  :root { --ky-header-meta-h: 0px; }
  .ky-header__meta { display: none; }
  .ky-toggle { display: inline-block; }
  .ky-logo__name { font-size: 26px; }
  .ky-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(6, 12, 30, 0.98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--ky-border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    max-height: calc(100vh - var(--ky-header-h));
    overflow-y: auto;
  }
  .ky-nav[data-open="true"] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .ky-nav__list {
    flex-direction: column;
    gap: 0;
    padding: 12px 24px 28px;
  }
  .ky-nav__item { width: 100%; }
  .ky-nav__link {
    display: flex;
    align-items: baseline;
    gap: 12px;
    width: 100%;
    padding: 15px 4px;
    font-size: 17px;
    border-bottom: 1px solid var(--ky-border);
  }
  .ky-nav__link::after { display: none; }
  .ky-nav__index { font-size: 12px; }
}

@media (max-width: 480px) {
  :root { --ky-header-h: 60px; }
  .ky-logo__name { font-size: 22px; }
  .ky-logo__ver { font-size: 10px; padding: 1px 6px; }
  .ky-toggle { width: 38px; height: 36px; }
  .ky-toggle__bar { left: 6px; right: 6px; }
}

/* ---------- 页脚 ---------- */
.ky-footer {
  position: relative;
  z-index: 1;
  background: var(--ky-bg-deep);
  color: var(--ky-text);
  border-top: 1px solid var(--ky-border);
  margin-top: auto;
}
.ky-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ky-green) 0 38%, var(--ky-orange) 38% 72%, transparent 72%);
  opacity: 0.9;
  pointer-events: none;
}
.ky-footer__inner {
  width: min(100% - 48px, var(--ky-container-w));
  margin-inline: auto;
  padding: clamp(48px, 7vw, 72px) 0 28px;
}
@media (max-width: 600px) {
  .ky-footer__inner { width: calc(100% - 32px); }
}
.ky-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.4fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}
@media (max-width: 900px) {
  .ky-footer__grid { grid-template-columns: 1fr 1fr; }
  .ky-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .ky-footer__grid { grid-template-columns: 1fr; }
}
.ky-footer__brand { display: flex; flex-direction: column; gap: 12px; }
.ky-footer__logo {
  font-family: var(--ky-font-head);
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--ky-text);
}
.ky-footer__logo-ver {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border: 1px solid var(--ky-green);
  color: var(--ky-green);
  font-family: var(--ky-font-mono);
  font-size: 11px;
  line-height: 1.5;
  vertical-align: middle;
  box-shadow: inset 0 0 8px rgba(57, 255, 20, 0.12);
}
.ky-footer__tagline { font-size: 14px; color: var(--ky-text-dim); }
.ky-footer__trust {
  padding-left: 12px;
  border-left: 3px solid var(--ky-green);
  font-size: 13px;
  color: var(--ky-text-dim);
  line-height: 1.8;
  max-width: 34em;
}
.ky-footer__nav-title,
.ky-footer__contact-title {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ky-orange);
  margin-bottom: 14px;
}
.ky-footer__links { display: grid; gap: 6px; }
.ky-footer__link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  width: fit-content;
  color: var(--ky-text);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}
.ky-footer__link::before {
  content: "→";
  color: var(--ky-green);
  font-family: var(--ky-font-mono);
  font-size: 13px;
}
.ky-footer__link:hover { color: var(--ky-green); transform: translateX(4px); text-decoration: none; }
.ky-footer__contact { display: flex; flex-direction: column; gap: 0; }
.ky-footer__contact-row {
  display: grid;
  grid-template-columns: 3em 1fr;
  gap: 8px;
  font-size: 13px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--ky-border);
}
.ky-footer__contact-label {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ky-moss);
}
.ky-footer__contact-value { color: var(--ky-text); word-break: break-word; }
.ky-footer__bottom {
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 16px;
  border-top: 1px solid var(--ky-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ky-gray);
}
.ky-footer__copyright,
.ky-footer__icp { color: var(--ky-gray); }

/* ---------- 按钮 ---------- */
.ky-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  background: var(--ky-orange);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%, 14px 50%);
  transition: filter 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.ky-btn:hover {
  text-decoration: none;
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(255, 107, 0, 0.38);
}
.ky-btn--ghost {
  background: transparent;
  color: var(--ky-green);
  border-color: var(--ky-green);
  clip-path: none;
}
.ky-btn--ghost:hover {
  filter: none;
  box-shadow: 0 0 18px rgba(57, 255, 20, 0.28);
}

/* ---------- 面包屑 ---------- */
.ky-breadcrumb { margin-bottom: 24px; }
.ky-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--ky-font-mono);
  font-size: 13px;
}
.ky-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ky-gray);
}
.ky-breadcrumb__item:not(:last-child)::after {
  content: "/";
  color: var(--ky-orange);
}
.ky-breadcrumb__item a {
  color: var(--ky-green);
  text-decoration: none;
  transition: color 0.2s ease;
}
.ky-breadcrumb__item a:hover { color: var(--ky-orange); text-decoration: underline; }

/* ---------- 网格与卡片 ---------- */
.ky-deck {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--ky-gap);
}
.ky-card {
  position: relative;
  background: linear-gradient(145deg, rgba(10, 17, 40, 0.88), rgba(6, 12, 30, 0.92));
  border: 1px solid var(--ky-border);
  border-left: 3px solid var(--ky-green);
  padding: 24px 24px 26px;
  transition: border-color 0.24s ease, transform 0.24s ease, box-shadow 0.24s ease;
}
.ky-card:hover {
  transform: translateY(-4px);
  border-top-color: var(--ky-green);
  border-left-color: var(--ky-orange);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.ky-card--orange { border-left-color: var(--ky-orange); }
.ky-card--orange:hover { border-left-color: var(--ky-green); }
.ky-card__index {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ky-orange);
}
.ky-card__title {
  margin-top: 12px;
  font-family: var(--ky-font-head);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--ky-text);
}
.ky-card__text {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ky-text-dim);
}
.ky-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-family: var(--ky-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ky-green);
}
.ky-card__cta::after { content: "→"; color: var(--ky-orange); }

/* ---------- 数据指标 ---------- */
.ky-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--ky-border);
  border: 1px solid var(--ky-border);
}
.ky-stat {
  position: relative;
  background: var(--ky-bg-deep);
  padding: 20px 22px;
}
.ky-stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 34px;
  background: var(--ky-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}
.ky-stat__value {
  font-family: var(--ky-font-mono);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ky-green);
  letter-spacing: 0.02em;
}
.ky-stat__label {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ky-text-dim);
}

/* ---------- 标签 ---------- */
.ky-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.36);
  color: var(--ky-green);
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.5;
}
.ky-tag--orange {
  background: rgba(255, 107, 0, 0.08);
  border-color: rgba(255, 107, 0, 0.4);
  color: var(--ky-orange);
}
.ky-tag--gray {
  background: rgba(74, 78, 90, 0.14);
  border-color: var(--ky-gray);
  color: var(--ky-text-dim);
}

/* ---------- 提示条 ---------- */
.ky-notice {
  padding: 16px 20px;
  border-left: 4px solid var(--ky-orange);
  background: rgba(255, 107, 0, 0.08);
  color: var(--ky-text);
  font-size: 14px;
  line-height: 1.8;
}
.ky-notice--green {
  border-left-color: var(--ky-green);
  background: rgba(57, 255, 20, 0.06);
}

/* ---------- 表格 ---------- */
.ky-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--ky-bg-deep);
  font-size: 14px;
}
.ky-table th,
.ky-table td {
  border: 1px solid var(--ky-border);
  padding: 10px 14px;
  text-align: left;
}
.ky-table th {
  background: rgba(10, 17, 40, 0.85);
  color: var(--ky-green);
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ky-table td { color: var(--ky-text); }
.ky-table tbody tr:hover td { background: rgba(57, 255, 20, 0.05); }

/* ---------- 图片容器 ---------- */
.ky-image {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--ky-bg-deep);
  border: 1px solid var(--ky-border);
  overflow: hidden;
}
.ky-image::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(-45deg, rgba(57, 255, 20, 0.06) 0 1px, transparent 1px 12px),
    repeating-linear-gradient(45deg, rgba(255, 107, 0, 0.05) 0 1px, transparent 1px 12px);
}
.ky-image img,
.ky-image > * {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ky-image--tall { aspect-ratio: 3 / 4; }
.ky-image--square { aspect-ratio: 1 / 1; }

/* ---------- 长文正文 ---------- */
.ky-prose {
  max-width: 46rem;
  color: var(--ky-text);
  font-size: 16px;
  line-height: 2;
}
.ky-prose p,
.ky-prose ul,
.ky-prose ol,
.ky-prose blockquote,
.ky-prose figure,
.ky-prose pre { margin-bottom: 1.4em; }
.ky-prose h2 {
  margin-top: 2em;
  font-size: clamp(22px, 3vw, 30px);
}
.ky-prose h2::before {
  content: "## ";
  color: var(--ky-orange);
  font-family: var(--ky-font-mono);
  font-size: 0.8em;
}
.ky-prose h3 {
  margin-top: 1.6em;
  font-size: 20px;
}
.ky-prose ul { list-style: square; padding-left: 1.5em; }
.ky-prose ol { list-style: decimal; padding-left: 1.5em; }
.ky-prose li { margin-bottom: 0.4em; }
.ky-prose blockquote {
  border-left: 3px solid var(--ky-green);
  padding: 4px 0 4px 18px;
  color: var(--ky-text-dim);
}
.ky-prose a { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .ky-meta-dot { animation: none; }
}