/* ==========================================================================
   爱游戏赛事 · /assets/site.css
   夜场墨绿 + 信号青柠 + 费用暖橙 · 目录型内容地图 · 战术板细线
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul[class], ol[class] { list-style: none; padding: 0; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; }
[hidden] { display: none !important; }
table { border-collapse: collapse; }

/* ---------- 2. Tokens ---------- */
:root {
  --night: #05140F;
  --night-2: #0A261D;
  --panel: #10372A;
  --panel-deep: #0D2E23;
  --line: #2C5A49;
  --line-soft: rgba(44, 90, 73, .55);
  --line-faint: rgba(44, 90, 73, .34);
  --lime: #C6FF3D;
  --lime-soft: #E4FF9A;
  --orange: #FF8A2A;
  --orange-soft: #FFC07A;
  --ivory: #F2FFF7;
  --mint: #A6C7B8;

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --shell: 1240px;
  --gutter: 64px;
  --r-lg: 28px;
  --r-md: 18px;
  --r-sm: 12px;
  --r-pill: 999px;
  --ease: cubic-bezier(.22, .68, .24, 1);
  --header-offset: 172px;
}
@media (max-width: 1099px) {
  :root { --gutter: 32px; --header-offset: 132px; }
}
@media (max-width: 719px) {
  :root { --gutter: 20px; --header-offset: 124px; }
}

/* ---------- 3. Base ---------- */
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(198, 255, 61, .10), transparent 62%),
    radial-gradient(860px 460px at -6% 16%, rgba(255, 138, 42, .08), transparent 66%),
    var(--night);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: .005em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
main { display: block; }
main [id] { scroll-margin-top: 140px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.03em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 5.2vw, 4.4rem); }
h2 { font-size: clamp(1.7rem, 2.9vw, 2.5rem); letter-spacing: -.02em; }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.4rem); letter-spacing: -.01em; line-height: 1.35; }
h4 { font-size: 1.02rem; letter-spacing: 0; line-height: 1.45; }
p { max-width: 68ch; }
strong { font-weight: 800; }

.mono, .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: var(--lime); color: var(--night); }

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

/* ---------- 4. Layout ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.grid { display: grid; gap: clamp(18px, 2.4vw, 32px); }
.grid--split { grid-template-columns: minmax(0, 68fr) minmax(0, 32fr); }
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 899px) {
  .grid--split, .grid--halves, .grid--thirds { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 5. Typography helpers ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--lime);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--lime);
}
.lede {
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  line-height: 1.75;
  color: var(--mint);
  max-width: 62ch;
}
.muted { color: var(--mint); }
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .18s var(--ease), background .18s var(--ease),
              color .18s var(--ease), border-color .18s var(--ease),
              box-shadow .18s var(--ease);
}
.btn--sm { padding: 9px 18px; font-size: 13.5px; }
.btn--signal {
  background: var(--lime);
  color: var(--night);
  box-shadow: 0 12px 28px -16px rgba(198, 255, 61, .95);
}
.btn--signal:hover { background: var(--lime-soft); transform: translateY(-1px); }
.btn--fee {
  background: var(--orange);
  color: var(--night);
  box-shadow: 0 12px 28px -16px rgba(255, 138, 42, .95);
}
.btn--fee:hover { background: var(--orange-soft); transform: translateY(-1px); }
.btn--ghost {
  background: rgba(16, 55, 42, .55);
  border-color: var(--line);
  color: var(--ivory);
}
.btn--ghost:hover { border-color: var(--lime); color: var(--lime); }
.btn:active { transform: translateY(0) scale(.99); }

/* ---------- 7. HEADER ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: transparent;
  transition: background .26s var(--ease), box-shadow .26s var(--ease);
}
.site-header[data-scrolled] {
  background: rgba(5, 20, 15, .94);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  backdrop-filter: blur(16px) saturate(120%);
  box-shadow: 0 1px 0 var(--line-soft), 0 26px 52px -40px #000;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0;
  z-index: 120;
  transform: translateY(-150%);
  padding: 10px 20px;
  border-radius: 0 0 var(--r-sm) var(--r-sm);
  background: var(--lime);
  color: var(--night);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .18s var(--ease);
}
.skip-link:focus-visible { transform: translateY(0); outline-offset: -4px; }

/* 联络带 */
.header-utility {
  overflow: hidden;
  max-height: 64px;
  opacity: 1;
  border-bottom: 1px solid var(--line-soft);
  transition: max-height .26s var(--ease), opacity .2s var(--ease),
              border-color .26s var(--ease);
}
.site-header[data-scrolled] .header-utility {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}
.header-utility__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 9px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--mint);
}
.header-utility__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--lime);
  font-weight: 700;
  letter-spacing: .12em;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, .16);
}
.header-utility__text { margin: 0; max-width: none; }
.header-utility__text .mono { color: var(--lime-soft); }

/* 品牌栏 */
.header-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ivory);
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--lime);
  color: var(--night);
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -.05em;
  box-shadow: 0 0 0 1px rgba(228, 255, 154, .35), 0 14px 28px -20px rgba(198, 255, 61, .95);
  transition: transform .18s var(--ease), background .18s var(--ease);
}
.brand:hover .brand__mark { transform: rotate(-6deg) scale(1.04); background: var(--lime-soft); }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -.03em;
}
.brand__sub {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--mint);
}

.header-actions { display: flex; align-items: center; gap: 12px; }

/* 移动索引按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(10, 38, 29, .72);
  color: var(--ivory);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}
.nav-toggle:hover { border-color: var(--lime); color: var(--lime); }
.nav-toggle__bars { display: grid; gap: 4px; align-content: center; width: 16px; height: 10px; }
.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child { transform: translateY(3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* 索引轨 */
.header-rail { border-bottom: 1px solid var(--line-soft); }
.header-rail__inner { display: flex; }
.primary-nav { flex: 1; min-width: 0; }
.primary-nav__list { display: flex; align-items: stretch; margin: 0; padding: 0; list-style: none; }
.primary-nav__item { flex: 1 1 auto; min-width: 0; border-left: 1px solid var(--line-faint); }
.primary-nav__item:first-child { border-left: 0; }
.primary-nav__link {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 8px;
  padding: 12px 14px 11px;
  text-decoration: none;
  color: var(--ivory);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s var(--ease);
}
.primary-nav__link:hover { background: rgba(198, 255, 61, .07); color: var(--lime); }
.primary-nav__link:hover::after { transform: scaleX(1); }
.primary-nav__num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--lime);
  opacity: .85;
}
.primary-nav__label {
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.primary-nav__hint {
  flex: 1 0 100%;
  padding-left: 24px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--mint);
  white-space: nowrap;
}
.primary-nav__link[aria-current="page"] { background: rgba(198, 255, 61, .1); }
.primary-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.primary-nav__link[aria-current="page"] .primary-nav__label { color: var(--lime); }
.primary-nav__item--cta { display: none; }
.primary-nav__cta { width: 100%; }

/* 阅读进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(44, 90, 73, .32);
  pointer-events: none;
}
.scroll-progress::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--lime), var(--orange));
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
  transition: transform .12s linear;
}

@media (max-width: 1299px) {
  .primary-nav__label { font-size: 12.5px; }
  .primary-nav__hint { font-size: 9.5px; }
}
@media (max-width: 1249px) {
  .primary-nav__hint { display: none; }
  .primary-nav__link { padding: 15px 12px 14px; }
  .primary-nav__link::after { left: 12px; right: 12px; }
}

/* 移动端索引面板 */
@media (max-width: 1099px) {
  .nav-toggle { display: inline-flex; }
  .header-rail { border-bottom: 0; }
  .header-rail__inner { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    max-height: calc(100vh - 92px);
    overflow-y: auto;
    padding: 6px var(--gutter) 24px;
    background: var(--night-2);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 34px 64px -42px #000;
  }
  .primary-nav[data-open] { display: block; animation: navIn .22s var(--ease) both; }
  .primary-nav__list { flex-direction: column; align-items: stretch; }
  .primary-nav__item { border-left: 0; border-bottom: 1px solid var(--line-faint); }
  .primary-nav__link {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 2px 12px;
    padding: 15px 2px;
  }
  .primary-nav__link::after { display: none; }
  .primary-nav__num { font-size: 11px; padding-top: 4px; }
  .primary-nav__label { font-size: 16px; white-space: normal; }
  .primary-nav__hint {
    display: block;
    grid-column: 2;
    flex: none;
    padding-left: 0;
    font-size: 10.5px;
  }
  .primary-nav__item--cta {
    display: block;
    border-bottom: 0;
    padding: 18px 0 2px;
  }
  .primary-nav__cta { display: flex; }
}
@keyframes navIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 429px) {
  .header-actions .btn--fee { display: none; }
  .brand__sub { display: none; }
  .brand__name { font-size: 17px; }
}

/* ---------- 8. FOOTER ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 110px);
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, var(--night-2) 0%, var(--night) 74%);
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 38%;
  bottom: -58%;
  width: min(760px, 92vw);
  height: 520px;
  background: radial-gradient(circle at 50% 50%, rgba(198, 255, 61, .12), transparent 62%);
  pointer-events: none;
}
.site-footer::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 180px;
  height: 1px;
  background: linear-gradient(90deg, var(--lime), transparent);
  pointer-events: none;
}
.footer-inner {
  position: relative;
  z-index: 1;
  padding: clamp(40px, 5vw, 72px) var(--gutter) 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(26px, 4vw, 60px);
  padding-bottom: clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.brand--footer .brand__mark { width: 46px; height: 46px; border-radius: 15px; }
.brand--footer .brand__name { font-size: 21px; }
.footer-brand__summary {
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mint);
}
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.footer-contact {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(16, 55, 42, .92), rgba(10, 38, 29, .72));
}
.footer-contact::after {
  content: "";
  position: absolute;
  right: -46px;
  top: -46px;
  width: 172px;
  height: 172px;
  border: 1px solid rgba(198, 255, 61, .24);
  border-radius: 50%;
  pointer-events: none;
}
.footer-contact__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--lime);
}
.footer-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.footer-mail__text {
  font-family: var(--font-mono);
  font-size: clamp(.9rem, 1.55vw, 1.12rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ivory);
  word-break: break-all;
}
.copy-btn {
  padding: 6px 14px;
  border: 1px solid rgba(198, 255, 61, .45);
  border-radius: var(--r-pill);
  background: rgba(198, 255, 61, .1);
  color: var(--lime-soft);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .06em;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.copy-btn:hover { background: var(--lime); color: var(--night); border-color: var(--lime); }
.copy-btn[data-copied] { background: var(--lime); color: var(--night); border-color: var(--lime); }
.footer-contact__list { display: grid; gap: 8px; margin-top: 16px; }
.contact-line {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mint);
}
.contact-line__key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: rgba(166, 199, 184, .72);
  padding-top: 3px;
}
.contact-line__value { color: var(--ivory); }
.footer-note {
  margin-top: 14px;
  max-width: 52ch;
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--mint);
}

.footer-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(26px, 3.6vw, 44px) 0;
}
.footer-group__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--lime);
}
.footer-group__list { display: grid; gap: 10px; }
.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  text-decoration: none;
  color: var(--mint);
  transition: color .16s var(--ease), transform .16s var(--ease);
}
.footer-link::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: none;
  border-radius: 50%;
  background: var(--line);
  transition: background .16s var(--ease);
}
.footer-link:hover { color: var(--ivory); transform: translateX(2px); }
.footer-link:hover::before { background: var(--lime); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: rgba(166, 199, 184, .88);
}
.footer-bottom__meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; max-width: none; }

@media (max-width: 899px) {
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 559px) {
  .footer-groups { grid-template-columns: minmax(0, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- 9. 通用内容组件 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(16px, 2vw, 26px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mint);
}
.breadcrumbs li { display: flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; color: var(--line); }
.breadcrumbs a { color: var(--mint); text-decoration: none; transition: color .16s var(--ease); }
.breadcrumbs a:hover { color: var(--lime); }
.breadcrumbs [aria-current="page"] { color: var(--ivory); }

.panel {
  padding: clamp(20px, 2.6vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(16, 55, 42, .92), rgba(10, 38, 29, .76));
}
.panel--signal {
  border-color: rgba(198, 255, 61, .45);
  box-shadow: inset 0 0 0 1px rgba(198, 255, 61, .12), 0 30px 60px -46px rgba(198, 255, 61, .5);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid rgba(198, 255, 61, .35);
  border-radius: var(--r-pill);
  background: rgba(198, 255, 61, .13);
  color: var(--lime-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .06em;
}
.tag--fee {
  border-color: rgba(255, 138, 42, .42);
  background: rgba(255, 138, 42, .16);
  color: var(--orange-soft);
}

.num-xl {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--lime);
}

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--r-md); }
.data-table { width: 100%; font-size: 14.5px; }
.data-table caption {
  padding: 0 0 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mint);
}
.data-table th, .data-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-faint);
}
.data-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--lime);
  white-space: nowrap;
}
.data-table tbody tr:hover { background: rgba(198, 255, 61, .05); }
.data-table td .mono { color: var(--orange-soft); font-weight: 700; }

.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--panel), var(--night-2));
}
.media-frame > img,
.media-frame__img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.92) contrast(1.04);
}
.media-frame--wide .media-frame__img { aspect-ratio: 21 / 9; }
.media-frame--tall .media-frame__img { aspect-ratio: 4 / 5; }
.media-frame--square .media-frame__img { aspect-ratio: 1 / 1; }
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 20, 15, 0) 44%, rgba(5, 20, 15, .56));
}
.media-frame__caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  padding: 6px 12px;
  border: 1px solid rgba(198, 255, 61, .32);
  border-radius: var(--r-pill);
  background: rgba(5, 20, 15, .74);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--lime);
}
.media-frame__placeholder {
  display: grid;
  place-content: center;
  gap: 6px;
  min-height: 180px;
  padding: 28px;
  aspect-ratio: 16 / 10;
  background-image:
    linear-gradient(rgba(44, 90, 73, .34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 90, 73, .34) 1px, transparent 1px);
  background-size: 46px 46px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(166, 199, 184, .8);
}
.media-frame--wide .media-frame__placeholder { aspect-ratio: 21 / 9; }
.media-frame--tall .media-frame__placeholder { aspect-ratio: 4 / 5; }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.filter-btn {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(16, 55, 42, .5);
  color: var(--mint);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: color .18s var(--ease), border-color .18s var(--ease),
              background .18s var(--ease), transform .18s var(--ease);
}
.filter-btn:hover { color: var(--lime); border-color: var(--lime); transform: translateY(-1px); }
.filter-btn[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
}
.filter-count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mint);
}
.filter-count b { color: var(--lime); font-weight: 700; }
[data-filtered-out] { display: none !important; }

.slant-band {
  height: clamp(38px, 5vw, 78px);
  margin-block: clamp(26px, 4vw, 56px);
  background: linear-gradient(90deg, rgba(198, 255, 61, .16), rgba(255, 138, 42, .1), transparent 78%);
  clip-path: polygon(0 0, 100% 0, 100% 26%, 0 100%);
}

[data-toc] a[aria-current="true"] {
  color: var(--lime);
  border-color: var(--lime);
}

/* 显现 */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .32s var(--ease), transform .32s var(--ease);
}
.has-js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 10. 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .has-js [data-reveal] { opacity: 1; transform: none; }
  .scroll-progress::after { transition: none; }
}

@media print {
  .site-header, .scroll-progress, .site-footer::before, .site-footer::after { display: none !important; }
  body { background: #fff; color: #05140F; }
}