/* ===== 1. reset ===== */
*,
*::before,
*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: var(--lime); text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* ===== 2. 变量 ===== */
:root {
  --ink: #0B1412;
  --panel: #12211D;
  --lime: #C6FF3D;
  --flame: #FF5A2B;
  --cyan: #3FD2C7;
  --amber: #FFC93C;
  --text: #F5F7F4;
  --muted: #9DB3A9;
  --line: #2E4B41;
  --elevated: #1B2E28;
  --mist: #E8F0E6;

  --maxw: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --tilt: -2deg;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-pill: 999px;
  --ease: cubic-bezier(.2, .8, .2, 1);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ===== 3. 基础与中文排版 ===== */
body {
  min-height: 100vh;
  background:
    radial-gradient(1100px 560px at 88% -12%, rgba(198, 255, 61, .085), transparent 62%),
    radial-gradient(900px 520px at -12% 24%, rgba(63, 210, 199, .07), transparent 60%),
    var(--ink);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
@media (min-width: 768px) {
  body { font-size: 17px; line-height: 1.8; }
}
h1, h2, h3, h4 {
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 4.6vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { margin-bottom: 1.05em; }
strong { color: #fff; }
::selection { background: var(--lime); color: var(--ink); }

.display {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.6rem, 7vw, 6rem);
  line-height: .98;
  letter-spacing: -0.02em;
  margin: 0;
}
.tilt { transform: rotate(var(--tilt)); }
.tilt-inner { transform: rotate(calc(var(--tilt) * -1)); }
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.dim { color: var(--muted); }
.mono { font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em; }

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

/* ===== 4. 布局 ===== */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 760px; }
.section {
  position: relative;
  padding-block: clamp(48px, 7vw, 108px);
}
.section--panel { background: var(--panel); }
.section--mist { background: var(--mist); color: var(--ink); }
.section--mist h1,
.section--mist h2,
.section--mist h3 { color: var(--ink); }
.section--mist .kicker { color: #0F5F55; }
.section--mist .dim { color: #4D6259; }
.section--mist a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.section--mist .panel { background: #fff; border-color: rgba(11, 20, 18, .14); }

.section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 30px);
  align-items: start;
  margin-bottom: clamp(22px, 3.4vw, 46px);
}
.section-num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4.6vw, 3.4rem);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--lime);
  padding-top: 8px;
  border-top: 2px solid var(--lime);
}
.section-title { margin-bottom: .35em; }
.section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  display: block;
  margin-bottom: .7em;
}

.grid { display: grid; gap: clamp(16px, 2.6vw, 30px); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--7-5 { grid-template-columns: 7fr 5fr; }
.grid--5-7 { grid-template-columns: 5fr 7fr; }
.grid--asym { grid-template-columns: minmax(56px, .55fr) minmax(0, 11.45fr); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); }
.grid--index { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 0; }

.divider-skew {
  height: 6px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--lime), var(--cyan) 55%, transparent);
  transform: skewX(-14deg);
  width: min(320px, 60%);
}

/* ===== 5. 通用组件 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .78em 1.3em;
  border: 1.5px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: transform .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease), color .24s var(--ease);
}
.btn--primary { background: var(--lime); border-color: var(--lime); color: var(--ink); }
.btn--signal { background: var(--flame); border-color: var(--flame); color: #fff; }
.btn--ghost { border-color: var(--line); color: var(--text); }
.btn--block { width: 100%; }
@media (hover: hover) {
  .btn:hover { transform: translateY(-2px); }
  .btn--primary:hover { background: #D8FF77; border-color: #D8FF77; }
  .btn--signal:hover { background: #FF7A50; border-color: #FF7A50; }
  .btn--ghost:hover { border-color: var(--lime); color: var(--lime); }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(245, 247, 244, .03);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
}
.chip--update { color: var(--amber); border-color: rgba(255, 201, 60, .45); background: rgba(255, 201, 60, .07); }
.chip--rank { color: #fff; background: var(--flame); border-color: var(--flame); }
.chip--beta { color: var(--flame); border-color: var(--flame); background: rgba(255, 90, 43, .08); }
.chip--data { color: var(--cyan); border-color: rgba(63, 210, 199, .45); background: rgba(63, 210, 199, .07); }
.chip--live { color: var(--lime); border-color: rgba(198, 255, 61, .45); background: rgba(198, 255, 61, .07); }

.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.panel--raised { background: var(--elevated); }
.panel--scan::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(245, 247, 244, .045) 0 1px, transparent 1px 5px);
  opacity: .7;
}
.panel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  margin-bottom: .7em;
}

.card {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(27, 46, 40, .92), rgba(18, 33, 29, .92));
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.card__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--cyan); }
.card__title { font-size: 1.1rem; font-weight: 800; margin: 0; }
.card__meta { font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: .04em; }
@media (hover: hover) {
  .card:hover { transform: translateY(-4px); border-color: rgba(198, 255, 61, .55); }
}

.stat { display: grid; gap: 4px; }
.stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1;
  color: var(--lime);
  letter-spacing: .02em;
}
.stat__label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--muted); }

.list-index { border-top: 1px solid var(--line); }
.list-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 14px 6px;
  border-bottom: 1px solid var(--line);
  transition: background-color .2s var(--ease);
}
.list-index__code { font-family: var(--font-mono); font-size: 12px; color: var(--cyan); letter-spacing: .06em; }
.list-index__title { color: var(--text); font-weight: 600; }
.list-index__meta { font-family: var(--font-mono); font-size: 12px; color: var(--muted); white-space: nowrap; }
@media (hover: hover) {
  .list-index__item:hover { background: rgba(198, 255, 61, .06); }
}

/* 图片容器基础规则（页面阶段放置实际图片） */
.media {
  position: relative;
  overflow: hidden;
  min-height: 160px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(140deg, rgba(63, 210, 199, .18), rgba(11, 20, 18, .92) 58%),
    repeating-linear-gradient(115deg, rgba(198, 255, 61, .12) 0 12px, transparent 12px 28px),
    var(--panel);
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(245, 247, 244, .05) 0 1px, transparent 1px 5px);
}
.media > img,
.media > picture > img,
.media > video { width: 100%; height: 100%; object-fit: cover; }
.media--wide { aspect-ratio: 16 / 9; }
.media--band { aspect-ratio: 21 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--tall { aspect-ratio: 3 / 4; }
.media__tag {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  background: var(--elevated);
  border: 1px solid var(--line);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}
.media__caption {
  position: relative;
  z-index: 2;
  padding: 12px 16px 16px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* 正文与面包屑 */
.prose { max-width: 38em; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose ul { list-style: none; display: grid; gap: 8px; margin: 0 0 1.1em; }
.prose li { position: relative; padding-left: 20px; }
.prose li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--lime);
  transform: translateY(-50%) skewX(-14deg);
}
.prose blockquote {
  margin: 1.4em 0;
  padding: 14px 18px;
  border-left: 3px solid var(--cyan);
  background: rgba(63, 210, 199, .07);
  color: var(--text);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.prose code {
  font-family: var(--font-mono);
  font-size: .9em;
  color: var(--amber);
  background: rgba(255, 201, 60, .09);
  padding: 2px 6px;
  border-radius: var(--r-sm);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.breadcrumb__link { color: var(--muted); text-decoration: none; }
.breadcrumb__link:hover { color: var(--lime); }
.breadcrumb__sep { color: var(--line); }

/* 索引轨道 */
.index-rail {
  position: sticky;
  top: 130px;
  display: grid;
  gap: 4px;
  align-content: start;
}
.index-rail__link {
  display: block;
  padding: 5px 9px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.index-rail__link:hover { color: var(--text); border-color: var(--cyan); }
.index-rail__link.is-active,
.index-rail__link[aria-current="true"] {
  color: var(--lime);
  border-color: var(--lime);
  background: rgba(198, 255, 61, .08);
}

/* 显现 */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .42s var(--ease), transform .42s var(--ease);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ===== 6. 头部 ===== */
.skip-link {
  position: fixed;
  z-index: 200;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
  transform: translateY(-220%);
  transition: transform .22s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.site-header.is-condensed { box-shadow: 0 16px 42px rgba(0, 0, 0, .55); }

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(46, 75, 65, .55);
  overflow: hidden;
}
.scroll-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  transform: scaleX(0);
  transform-origin: left center;
}

.header-top {
  background: linear-gradient(90deg, rgba(18, 33, 29, .96), rgba(11, 20, 18, .96));
  border-bottom: 1px solid var(--line);
}
.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding-block: 7px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}
.brand__mark {
  position: relative;
  padding-left: 15px;
  color: var(--text);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: .02em;
  white-space: nowrap;
}
.brand__mark::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  background: var(--lime);
  transform: translateY(-50%) skewX(-14deg);
}
.brand__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-top__side { flex: none; }
.update-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 201, 60, .42);
  border-radius: var(--r-pill);
  background: rgba(255, 201, 60, .07);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
}
.update-chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  animation: chip-pulse 2.6s var(--ease) infinite;
}
.update-chip__label { color: rgba(255, 201, 60, .8); }
.update-chip__value { color: var(--amber); }
@keyframes chip-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 201, 60, .55); }
  50% { box-shadow: 0 0 0 6px rgba(255, 201, 60, 0); }
}

.header-main { position: relative; }
.header-main__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  min-height: 66px;
  padding-block: 10px;
  transition: min-height .28s var(--ease), padding .28s var(--ease);
}
.site-header.is-condensed .header-main__inner { min-height: 54px; padding-block: 6px; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--elevated);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}
.nav-toggle__bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bars i {
  display: block;
  height: 2px;
  background: var(--lime);
  transition: transform .24s var(--ease), opacity .2s var(--ease);
}
.site-header[data-open] .nav-toggle__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav { flex: 1 1 auto; min-width: 0; }
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(2px, .8vw, 8px);
}
.nav__link {
  position: relative;
  display: inline-block;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .28s var(--ease);
}
.nav__link:hover { color: var(--lime); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--lime); }

.nav__extra { display: none; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.screen-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px dashed rgba(63, 210, 199, .5);
  border-radius: var(--r-pill);
  background: rgba(63, 210, 199, .07);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.screen-pill__dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}
@media (hover: hover) {
  .screen-pill:hover { border-color: var(--cyan); background: rgba(63, 210, 199, .16); }
}
.header-cta { white-space: nowrap; }

/* ===== 7. 页脚 ===== */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 110px);
  background: linear-gradient(180deg, var(--panel), var(--ink) 72%);
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: -10% 45% 55% -10%;
  background: radial-gradient(closest-side, rgba(198, 255, 61, .12), transparent);
  pointer-events: none;
}
.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: clamp(20px, 3vw, 44px);
  padding-block: clamp(38px, 5vw, 66px) clamp(22px, 3vw, 34px);
}
.footer-brand {
  font-size: 21px;
  font-weight: 900;
  letter-spacing: .02em;
  margin-bottom: 10px;
}
.footer-desc {
  max-width: 26ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.footer-title {
  margin-bottom: 14px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
}
.footer-list { display: grid; gap: 9px; }
.footer-link {
  color: var(--text);
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.footer-link:hover { color: var(--lime); border-color: var(--lime); }
.footer-contact {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-block: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.footer-contact__item { display: inline-flex; align-items: baseline; gap: 8px; }
.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}
.footer-contact__value { color: var(--text); font-family: var(--font-mono); font-size: 13px; letter-spacing: .02em; }
.footer-line {
  height: 1px;
  background: linear-gradient(90deg, rgba(232, 240, 230, .6), rgba(232, 240, 230, .06));
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-block: 16px 30px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ===== 8. 焦点与响应式 ===== */
:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: 4px;
}
#main-content:focus { outline: none; }
#main-content { display: block; }

@media (max-width: 1080px) {
  .grid--7-5, .grid--5-7 { grid-template-columns: 1fr; }
  .index-rail { position: static; display: flex; flex-wrap: wrap; }
}

@media (max-width: 900px) {
  .header-actions { display: none; }
  .nav-toggle { display: inline-flex; }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 14px var(--gutter) 22px;
    background: var(--elevated);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 50px rgba(0, 0, 0, .55);
  }
  .site-header[data-open] .nav { display: block; }

  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__item { border-bottom: 1px solid var(--line); }
  .nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 4px;
    font-size: 16px;
    border-radius: 0;
  }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] {
    background: rgba(198, 255, 61, .1);
    box-shadow: inset 3px 0 0 var(--lime);
    color: var(--lime);
  }
  .nav__link[aria-current="page"]::before {
    content: "当前";
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    color: var(--lime);
  }
  .nav__extra {
    display: grid;
    gap: 10px;
    margin-top: 18px;
  }
  .nav__extra .screen-pill { justify-content: center; padding: 11px 14px; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-col--brand { grid-column: 1 / -1; }
  .footer-desc { max-width: 42ch; }
  .grid--12, .grid--asym { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .brand__tag { display: none; }
  .header-top__inner { min-height: 40px; }
  .update-chip__label { display: none; }
  .section-head { grid-template-columns: 1fr; gap: 10px; }
  .section-num { font-size: 1.9rem; border-top-width: 2px; padding-top: 6px; width: fit-content; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-contact { flex-direction: column; gap: 8px; }
  .list-index__item { grid-template-columns: auto minmax(0, 1fr); }
  .list-index__meta { grid-column: 2; }
}

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