/* ===================================================================
   幸运28品牌 · 共享站点样式  /assets/site.css
   城央坐标 · 路径信号系统（外壳部分）
   =================================================================== */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body, h1, h2, h3, h4, h5, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg, video { display: block; max-width: 100%; }
table { border-collapse: collapse; width: 100%; }
:where(h1, h2, h3, h4, h5) { line-height: 1.2; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink-900: #071426;
  --ink-800: #0B1F3A;
  --ink-700: #102A4C;
  --orange: #FF6A2A;
  --orange-soft: #FF8A57;
  --cyan: #3DE0D0;
  --paper: #F5F0E6;
  --gray: #E3E7EC;
  --mist: #8FA6C0;
  --gold: #E8B45A;
  --white: #FFFFFF;

  --font-title: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --pill: 999px;

  --wrap: 1180px;
  --rail: 200px;
  --gutter: clamp(18px, 4vw, 40px);
  --header-h: 118px;

  --shadow-1: 0 18px 40px -28px rgba(7, 20, 38, .55);
  --shadow-2: 0 8px 24px -14px rgba(7, 20, 38, .45);

  --scroll-progress: 0;
  --ease-out: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 3. Base ---------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-900);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 { font-family: var(--font-title); font-weight: 800; letter-spacing: -.015em; }

::selection { background: rgba(61, 224, 208, .35); color: var(--ink-900); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.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 utilities ---------- */
.wrap {
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
}

.wrap--rail {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.section { padding-block: clamp(40px, 7vw, 84px); }

.section--ink {
  background: var(--ink-800);
  color: var(--paper);
}

.section-head {
  display: grid;
  gap: 12px;
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.coordinate-field {
  position: relative;
  isolation: isolate;
  background: var(--ink-800);
  color: var(--paper);
  overflow: hidden;
}

.coordinate-field::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(143, 166, 192, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 166, 192, .14) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: .65;
}

.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, rgba(143, 166, 192, .5), transparent);
  margin-block: clamp(24px, 4vw, 40px);
}

/* ---------- 5. Type scale ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
}

.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: currentColor;
  opacity: .8;
}

.display-xl { font-size: clamp(32px, 5.2vw, 56px); font-weight: 900; line-height: 1.12; letter-spacing: -.03em; }
.display-lg { font-size: clamp(26px, 3.6vw, 40px); font-weight: 900; line-height: 1.15; letter-spacing: -.025em; }
.display-md { font-size: clamp(20px, 2.4vw, 28px); font-weight: 800; line-height: 1.25; letter-spacing: -.02em; }

.lead { font-size: clamp(16px, 1.4vw, 18px); line-height: 1.8; color: #41506a; }
.lead--ink { color: #b9c6d6; }

.num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

/* ---------- 6. Prose ---------- */
.prose { max-width: 62ch; font-size: 16px; line-height: 1.85; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: 24px; margin-top: 2em; }
.prose h3 { font-size: 19px; margin-top: 1.6em; }
.prose ul, .prose ol { display: grid; gap: .5em; }
.prose li { position: relative; padding-left: 1.15em; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0; top: .72em;
  width: 6px; height: 6px;
  border-radius: 2px;
  background: var(--orange);
}
.prose a {
  color: #0b6f68;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(61, 224, 208, .7);
}
.prose a:hover { color: var(--orange); text-decoration-color: var(--orange); }

/* ---------- 7. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--pill);
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: transform .22s var(--ease-out), background .22s, color .22s, box-shadow .22s, border-color .22s;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--orange);
  color: var(--ink-900);
  box-shadow: 0 10px 26px -14px rgba(255, 106, 42, .9);
}
.btn-primary:hover { background: var(--orange-soft); }

.btn-ghost {
  border: 1px solid rgba(143, 166, 192, .5);
  color: var(--paper);
  background: rgba(143, 166, 192, .08);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(61, 224, 208, .1);
}

.btn-quiet {
  border: 1px solid rgba(7, 20, 38, .2);
  color: var(--ink-900);
}
.btn-quiet:hover { border-color: var(--orange); color: var(--orange); }

.btn-enter {
  padding: 7px 15px;
  font-size: 12.5px;
  background: var(--orange);
  color: var(--ink-900);
  box-shadow: 0 8px 20px -10px rgba(255, 106, 42, .95);
}
.btn-enter:hover { background: var(--orange-soft); transform: translateY(-1px); }

.btn-enter-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-900);
  opacity: .72;
}

/* ---------- 8. Header ---------- */
.skip-link {
  position: absolute;
  left: 16px; top: 8px;
  z-index: 200;
  transform: translateY(-180%);
  padding: 10px 18px;
  border-radius: var(--pill);
  background: var(--cyan);
  color: var(--ink-900);
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 700;
  transition: transform .2s var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--ink-800);
  color: var(--paper);
  box-shadow: 0 1px 0 rgba(143, 166, 192, .2), 0 18px 34px -30px rgba(0, 0, 0, .9);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left center;
  pointer-events: none;
}

.header-top {
  background: var(--ink-900);
  border-bottom: 1px solid rgba(143, 166, 192, .16);
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 22px;
  min-height: 44px;
  padding-block: 6px;
}

.brand-line {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mist);
}

.brand-mark {
  flex: 0 0 auto;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 42, .18);
}

.brand-name { color: var(--paper); font-weight: 600; }
.brand-sub { color: var(--mist); }

.header-utility {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

.header-utility .btn-enter { margin-left: 8px; }

.utility-link {
  padding: 6px 11px;
  border-radius: var(--pill);
  font-size: 12.5px;
  font-weight: 600;
  color: #c3d0e0;
  transition: color .2s, background .2s;
}
.utility-link:hover { color: var(--paper); background: rgba(143, 166, 192, .18); }

.header-main { background: var(--ink-800); }

.header-main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
  padding-block: 10px;
}

.header-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  border-radius: var(--radius-md);
}

.header-brand-abbr {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  flex: 0 0 auto;
  border-radius: 14px;
  border: 1px solid rgba(61, 224, 208, .4);
  background: linear-gradient(150deg, var(--ink-700), var(--ink-900));
  box-shadow: inset 0 0 18px rgba(61, 224, 208, .14);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
}

.header-brand-text { display: flex; flex-direction: column; line-height: 1.18; }
.header-brand-cn {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--paper);
}
.header-brand-en {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .2em;
  color: var(--mist);
}

.site-nav {
  display: flex;
  flex: 1 1 auto;
  justify-content: flex-end;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 2px;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: var(--pill);
  font-size: 13.5px;
  font-weight: 600;
  color: #c9d5e3;
  white-space: nowrap;
  transition: color .2s, background .2s;
}

.nav-list a:hover { color: var(--paper); background: rgba(143, 166, 192, .18); }

.nav-list a[aria-current="page"] {
  background: var(--orange);
  color: var(--ink-900);
  font-weight: 700;
  box-shadow: 0 8px 20px -12px rgba(255, 106, 42, .95);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border-radius: var(--pill);
  border: 1px solid rgba(143, 166, 192, .42);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  transition: border-color .2s, background .2s, color .2s;
}

.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(61, 224, 208, .1); }

.nav-toggle[aria-expanded="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(61, 224, 208, .12);
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 16px; height: 14px;
}

.nav-toggle-bars > span {
  display: block;
  height: 2px; width: 100%;
  border-radius: 2px;
  background: currentColor;
  transition: transform .24s var(--ease-out), opacity .18s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars > span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars > span:nth-child(2) { opacity: 0; transform: scaleX(.3); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars > span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.nav-toggle-text { letter-spacing: .06em; }

/* ---------- 9. Footer ---------- */
.site-footer {
  background: var(--ink-900);
  color: #c3d0e0;
  border-top: 1px solid rgba(143, 166, 192, .18);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.6fr);
  gap: clamp(28px, 5vw, 64px);
  padding-block: clamp(40px, 6vw, 72px);
}

.footer-brand {
  display: grid;
  gap: 16px;
  align-content: start;
  max-width: 40ch;
}

.footer-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--cyan);
}

.footer-mark::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(61, 224, 208, .6), transparent);
}

.footer-statement {
  font-family: var(--font-title);
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--paper);
}

.footer-note {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

.footer-badge {
  flex: 0 0 auto;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(61, 224, 208, .16);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 36px);
}

.footer-group { min-width: 0; }

.footer-group-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--mist);
  margin-bottom: 16px;
}

.footer-list { display: grid; gap: 10px; }

.footer-list a {
  display: inline-block;
  font-size: 14px;
  color: #c3d0e0;
  transition: color .2s var(--ease-out), transform .2s var(--ease-out);
}
.footer-list a:hover { color: var(--orange); transform: translateX(2px); }

.footer-contact {
  display: grid;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  word-break: break-word;
}

.footer-contact-key {
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--orange);
  text-transform: uppercase;
}

.footer-contact-val { color: #c3d0e0; }

.footer-base {
  border-top: 1px solid rgba(143, 166, 192, .18);
  background: rgba(7, 20, 38, .6);
}

.footer-base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 26px;
  padding-block: 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

.footer-legal,
.footer-addr { white-space: nowrap; }

/* ---------- 10. Cards & tags ---------- */
.grid { display: grid; gap: clamp(16px, 2.4vw, 26px); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid rgba(7, 20, 38, .08);
  box-shadow: var(--shadow-2);
  transition: transform .28s var(--ease-out), box-shadow .28s var(--ease-out), border-color .28s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 42, .45);
  box-shadow: 0 26px 46px -30px rgba(7, 20, 38, .6);
}

.card--ink {
  background: var(--ink-700);
  border-color: rgba(143, 166, 192, .25);
  color: var(--paper);
}

.card-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--orange);
}

.card-title { font-size: 20px; font-weight: 800; line-height: 1.3; }
.card-text { font-size: 15px; line-height: 1.75; color: #41506a; }
.card--ink .card-text { color: #b9c6d6; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  background: rgba(143, 166, 192, .18);
  color: var(--ink-700);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}
.tag--orange {
  background: rgba(255, 106, 42, .14);
  border-color: rgba(255, 106, 42, .35);
  color: #b03c0c;
}
.tag--cyan {
  background: rgba(61, 224, 208, .16);
  border-color: rgba(61, 224, 208, .45);
  color: #0b6159;
}

/* ---------- 11. Path axis & rail ---------- */
.path-axis {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: fit-content;
  max-width: 100%;
  padding: 8px;
  border-radius: var(--pill);
  background: rgba(143, 166, 192, .14);
  border: 1px solid rgba(143, 166, 192, .3);
}

.path-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  white-space: nowrap;
}

.path-step::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: .7;
}

.path-step[data-state="done"] { color: var(--orange); }

.path-step[data-state="current"] {
  background: var(--cyan);
  color: var(--ink-900);
  box-shadow: 0 0 0 1px rgba(61, 224, 208, .6), 0 0 18px -4px rgba(61, 224, 208, .8);
}

.rail {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  align-self: start;
  display: grid;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.rail-mark { font-size: 13px; letter-spacing: .24em; color: var(--cyan); }

.rail-line {
  width: 1px;
  height: 64px;
  background: linear-gradient(var(--cyan), transparent);
}

.rail-list { display: grid; gap: 12px; }
.rail-list a { transition: color .2s; }
.rail-list a:hover { color: var(--orange); }

/* ---------- 12. Media frames ---------- */
.media-frame {
  position: relative;
  display: block;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(143, 166, 192, .28);
  background: linear-gradient(155deg, var(--ink-700) 0%, var(--ink-900) 78%);
  color: var(--paper);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(143, 166, 192, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 166, 192, .16) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(120% 120% at 20% 0%, #000 30%, transparent 78%);
  mask-image: radial-gradient(120% 120% at 20% 0%, #000 30%, transparent 78%);
}

.media-frame > img,
.media-frame > svg,
.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--21x9 { aspect-ratio: 21 / 9; }
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x5 { aspect-ratio: 4 / 5; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--fill { height: 100%; min-height: 220px; }

.media-frame__caption {
  position: absolute;
  left: 16px; right: 16px; bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}

.media-ph {
  display: grid;
  place-content: center;
  gap: 8px;
  width: 100%;
  height: 100%;
  min-height: 180px;
  padding: 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.media-ph strong {
  display: block;
  font-family: var(--font-title);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--paper);
}

/* ---------- 13. Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: rgba(143, 166, 192, .6); }
.breadcrumb a { transition: color .2s; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb [aria-current="page"] { color: var(--paper); }

/* ---------- 14. Reveal motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s var(--ease-out), transform .55s var(--ease-out);
  transition-delay: calc(var(--reveal-index, 0) * 90ms);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 15. Responsive ---------- */
@media (max-width: 1080px) {
  .nav-list a { padding: 9px 10px; font-size: 13px; }
}

@media (max-width: 960px) {
  .header-main-inner { flex-wrap: wrap; padding-block: 12px; }

  .nav-toggle { display: inline-flex; margin-left: auto; }

  .site-nav {
    display: none;
    flex: 0 0 100%;
    flex-basis: 100%;
    width: 100%;
    justify-content: flex-start;
    margin-top: 12px;
    padding: 10px;
    border-radius: var(--radius-lg);
    background: var(--ink-900);
    border: 1px solid rgba(143, 166, 192, .24);
    box-shadow: inset 0 1px 0 rgba(143, 166, 192, .16);
  }

  .site-nav[data-open="true"] { display: block; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 2px;
  }

  .nav-list a { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 15px; }
  .nav-list a[aria-current="page"] { box-shadow: none; }

  .wrap--rail { grid-template-columns: 1fr; }

  .rail {
    position: static;
    grid-auto-flow: column;
    gap: 10px;
    align-items: center;
    overflow-x: auto;
    padding: 10px 14px;
    border-radius: var(--pill);
    background: rgba(143, 166, 192, .14);
    text-transform: none;
    letter-spacing: .06em;
    white-space: nowrap;
  }

  .rail-line { display: none; }
  .rail-list { grid-auto-flow: column; gap: 14px; }

  .footer-inner { grid-template-columns: 1fr; }

  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  :root { --header-h: 132px; }

  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-legal, .footer-addr { white-space: normal; }
  .footer-base-inner { flex-direction: column; align-items: flex-start; }

  .display-xl { font-size: 32px; }
  .display-lg { font-size: 26px; }
}

@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .brand-sub { display: none; }
  .header-utility { gap: 2px; }
  .utility-link { padding: 6px 8px; font-size: 12px; }
  .header-utility .btn-enter { margin-left: 4px; padding: 7px 12px; font-size: 12px; }
  .header-brand-cn { font-size: 16px; }
  .header-brand-abbr { width: 38px; height: 38px; border-radius: 12px; font-size: 11.5px; }
  .path-axis { width: 100%; border-radius: var(--radius-md); padding: 6px; }
}

@media (max-width: 420px) {
  .footer-nav { grid-template-columns: 1fr; }
}

/* ---------- 16. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .btn:hover,
  .card:hover,
  .footer-list a:hover { transform: none; }
}