/* =========================================================
   半岛体育赛事 · 共享样式表 /assets/site.css
   深海蓝数据舱 + 暖纸色阅读区 · 技术蓝图网格骨架
   ========================================================= */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  color-scheme: dark;
}
[data-theme="light"] { color-scheme: light; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dt, dd { margin: 0; }
ul, ol { padding: 0; }
ul[class], ol[class] { list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- 2. Design tokens ---------- */
:root {
  --abyss: #0B1D33;
  --ink: #050D16;
  --blueprint: #1D3A5C;
  --neon: #3BF0A0;
  --gold: #E8B75C;
  --alert: #FF6B3D;
  --paper-white: #F1F6FA;
  --slate: #9CB2C7;
  --warm: #F4EDE1;
  --paper-ink: #241E16;

  --surface: #0B1D33;
  --surface-deep: #050D16;
  --surface-raised: #102542;
  --text: #F1F6FA;
  --text-soft: #9CB2C7;
  --rule: #1D3A5C;
  --rule-strong: #2E5480;
  --accent: #3BF0A0;
  --accent-2: #E8B75C;
  --accent-3: #FF6B3D;
  --grid-line: rgba(29, 58, 92, 0.42);
  --shadow-hard: 6px 6px 0 rgba(29, 58, 92, 0.95);

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

  --wrap: 1340px;
  --gutter: clamp(18px, 4vw, 40px);
  --nav-h: 52px;
}
[data-theme="light"] {
  --surface: #F4EDE1;
  --surface-deep: #E7DCC8;
  --surface-raised: #FFFBF3;
  --text: #241E16;
  --text-soft: #6E6250;
  --rule: #C9B99E;
  --rule-strong: #A28F6E;
  --accent: #0E7C55;
  --accent-2: #8A6314;
  --accent-3: #BD3F16;
  --grid-line: rgba(160, 140, 110, 0.26);
  --shadow-hard: 6px 6px 0 rgba(36, 30, 22, 0.85);
}

/* ---------- 3. Base ---------- */
body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--surface);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(110% 65% at 10% 4%, rgba(59, 240, 160, 0.065), transparent 62%),
    radial-gradient(85% 60% at 92% 96%, rgba(232, 183, 92, 0.055), transparent 62%);
}
body > * { position: relative; z-index: 1; }

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 4.6vw, 4.4rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 1.6vw, 1.4rem); }
p { text-wrap: pretty; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
::selection {
  background: var(--accent);
  color: var(--surface-deep);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}
.note {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-soft);
}
#main-content { scroll-margin-top: 120px; }

/* ---------- 4. Layout primitives ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.grid { display: grid; gap: 24px; }
.cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.cols-asym { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px; align-items: start; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent-2);
  flex: 0 0 auto;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 20px;
  padding-bottom: 14px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--rule);
}
.section-note {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--text-soft);
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border: 2px solid var(--text);
  color: var(--text);
  background: transparent;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--accent);
}
.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--surface-deep);
}
.btn--primary:hover { box-shadow: 5px 5px 0 var(--accent-2); }
.btn--ghost {
  border-color: var(--rule-strong);
  color: var(--text-soft);
}
.btn--ghost:hover {
  color: var(--text);
  border-color: var(--text);
  box-shadow: 5px 5px 0 var(--rule);
}

/* ---------- 6. Breadcrumb ---------- */
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 24px 0 6px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}
.crumb a { transition: color 0.16s ease; }
.crumb a:hover { color: var(--accent); }
.crumb-sep { color: var(--rule-strong); }

/* ---------- 7. Cards / media / tags / paper ---------- */
.card {
  position: relative;
  background: var(--surface-raised);
  border: 1px solid var(--rule);
  padding: 24px;
}
.card--bold {
  border: 2px solid var(--text);
  box-shadow: var(--shadow-hard);
}
.card--accent { border-left: 3px solid var(--accent); }

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(29, 58, 92, 0.28) 0 1px, transparent 1px 12px),
    var(--surface-deep);
  border: 1px solid var(--rule);
  aspect-ratio: 16 / 9;
}
.media-frame img,
.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(241, 246, 250, 0.07);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-cap {
  display: block;
  padding-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-soft);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  border: 1px solid var(--rule-strong);
  color: var(--text-soft);
}
.tag--up { color: var(--accent); border-color: var(--accent); }
.tag--down { color: var(--accent-3); border-color: var(--accent-3); }

.paper {
  background: var(--warm);
  color: var(--paper-ink);
  padding: clamp(28px, 4vw, 56px);
  border: 2px solid var(--paper-ink);
  box-shadow: var(--shadow-hard);
}
.paper h1, .paper h2, .paper h3, .paper h4 { color: var(--paper-ink); }
.paper p { max-width: 38em; }
.paper a { color: #8A4A12; border-bottom: 1px solid currentColor; }
.paper .note { color: #6B5F4E; }
.paper .eyebrow { color: #8A6314; }
.paper .eyebrow::before { background: #8A6314; }
[data-theme="light"] .paper { background: #FFF9EE; }

/* ---------- 8. Reveal hook ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.js [data-reveal][data-shown="true"] {
  opacity: 1;
  transform: none;
}

/* ---------- 9. Skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: var(--accent-2);
  color: var(--ink);
  border: 2px solid var(--ink);
  transform: translateY(-180%);
  transition: transform 0.18s ease;
}
.skip-link:focus { transform: translateY(0); }

/* =========================================================
   10. HEADER · 居中刊头导航
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--surface-deep);
  border-bottom: 1px solid var(--rule);
}

.header-top {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 26px var(--gutter) 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  transition: padding 0.24s ease;
}

.header-meta {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-soft);
  transition: opacity 0.24s ease;
}
.header-meta .mono { color: var(--accent); }

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  justify-self: center;
}
.brand-mark {
  font-size: clamp(1.45rem, 3.4vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.16em;
  text-indent: 0.16em;
  white-space: nowrap;
  color: var(--text);
  transition: font-size 0.24s ease, letter-spacing 0.24s ease;
}
.brand-sub {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-indent: 0.26em;
  text-transform: uppercase;
  color: var(--accent-2);
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.header-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}
.live-status {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 5px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  white-space: nowrap;
}
.live-status::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform-origin: left center;
  animation: refresh-sweep 60s linear infinite;
}
.live-status .mono { color: var(--text); }
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: live-pulse 3s ease-out infinite;
}
@keyframes refresh-sweep {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes live-pulse {
  0% { box-shadow: 0 0 0 0 rgba(59, 240, 160, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(59, 240, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 240, 160, 0); }
}

.util-btn {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 8px 14px;
  border: 1px solid var(--rule-strong);
  color: var(--text-soft);
  background: transparent;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.util-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}
.util-btn[aria-pressed="true"] {
  color: var(--surface-deep);
  background: var(--accent);
  border-color: var(--accent);
}

/* nav-toggle：桌面隐藏 */
.nav-toggle { display: none; }

/* 主导航 */
.site-nav {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  border-top: 1px solid var(--rule);
  transition: border-color 0.2s ease;
}
.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px;
}
.nav-item a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 13px 14px;
  font-weight: 600;
  color: var(--text-soft);
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.nav-index {
  font-size: 11px;
  color: var(--accent-2);
  letter-spacing: 0;
  transition: opacity 0.18s ease;
}
.nav-text { font-size: 14.5px; letter-spacing: 0.06em; }
.nav-item a:hover {
  color: var(--text);
  border-bottom-color: var(--rule-strong);
}
.nav-item a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.nav-item a[aria-current="page"] .nav-index { color: var(--accent); }

.nav-cta {
  flex: 0 0 auto;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  background: var(--accent-2);
  color: var(--surface-deep);
  border: 2px solid var(--surface-deep);
  box-shadow: 3px 3px 0 var(--accent);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.nav-cta:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--accent);
}

/* 滚动进度条 */
.scroll-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 3;
}

/* 收缩态 */
.site-header[data-scrolled="true"] {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}
.site-header[data-scrolled="true"] .header-top {
  padding-top: 10px;
  padding-bottom: 10px;
}
.site-header[data-scrolled="true"] .brand-mark {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  letter-spacing: 0.12em;
  text-indent: 0.12em;
}
.site-header[data-scrolled="true"] .brand-sub { opacity: 0; }
.site-header[data-scrolled="true"] .header-meta { opacity: 0; pointer-events: none; }
.site-header[data-scrolled="true"] .nav-index { opacity: 0; }
.site-header[data-scrolled="true"] .nav-text { font-size: 13.5px; }
.site-header[data-scrolled="true"] .brand { gap: 0; }

/* =========================================================
   11. FOOTER · 四步横向索引
   ========================================================= */
.site-footer {
  margin-top: clamp(64px, 9vw, 120px);
  background: var(--surface-deep);
  border-top: 2px solid var(--rule-strong);
  color: var(--text-soft);
}
.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 56px var(--gutter) 44px;
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 2.6fr);
  gap: 48px;
}
.footer-mark {
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--text);
  line-height: 1.2;
}
.footer-sub {
  margin-top: 8px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--accent-2);
}
.footer-note {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

.footer-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: start;
  gap: 0;
}
.foot-step {
  padding: 16px 18px;
  border-left: 1px solid var(--rule);
}
.foot-step--featured {
  border-left: 2px solid var(--accent-2);
  background: rgba(232, 183, 92, 0.07);
  box-shadow: var(--shadow-hard);
}
.foot-step-head {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 0 0 10px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  color: var(--text);
}
.foot-step-no {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent-2);
  flex: 0 0 auto;
}
.foot-step-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.foot-step-icon { display: none; }

.foot-step-body {
  padding-top: 14px;
  font-size: 13.5px;
  line-height: 1.7;
}
.foot-list { display: grid; gap: 8px; }
.foot-list a {
  color: var(--text-soft);
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.foot-list a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.foot-list-note {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-soft);
}

.footer-base {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px var(--gutter) 30px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-size: 12.5px;
  color: var(--text-soft);
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
}
.footer-legal a {
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.footer-legal a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* =========================================================
   12. Responsive
   ========================================================= */
@media (max-width: 1100px) {
  .cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-inner { gap: 32px; }
  .footer-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 22px; }
}

@media (max-width: 900px) {
  body { font-size: 16px; line-height: 1.7; }

  .header-top {
    padding: 14px 20px 12px;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "meta tools"
      "brand brand";
    row-gap: 12px;
    gap: 12px;
  }
  .header-meta { grid-area: meta; font-size: 11px; letter-spacing: 0.1em; }
  .header-tools { grid-area: tools; gap: 8px; }
  .brand { grid-area: brand; }
  .brand-mark { font-size: clamp(1.5rem, 7vw, 2.1rem); }
  .brand-sub { font-size: 10.5px; letter-spacing: 0.2em; }
  .live-text { display: none; }
  .util-btn { padding: 7px 11px; font-size: 11px; letter-spacing: 0.08em; }

  .site-header[data-scrolled="true"] .brand-sub { display: none; }

  .nav-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 13px 20px;
    border-top: 1px solid var(--rule);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
    color: var(--accent-2);
    text-transform: uppercase;
  }
  .nav-toggle-bars {
    position: relative;
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-soft);
    transition: background 0.18s ease;
  }
  .nav-toggle-bars::before,
  .nav-toggle-bars::after {
    content: "";
    position: absolute;
    left: 0;
    width: 22px;
    height: 2px;
    background: var(--text-soft);
    transition: transform 0.2s ease, background 0.2s ease;
  }
  .nav-toggle-bars::before { top: -6px; }
  .nav-toggle-bars::after { top: 6px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
    transform: translateY(6px) rotate(45deg);
    background: var(--accent);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
    transform: translateY(-6px) rotate(-45deg);
    background: var(--accent);
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid var(--rule);
    transition: max-height 0.22s ease;
  }
  .site-nav[data-open="true"] {
    max-height: min(80vh, 620px);
    overflow-y: auto;
    border-bottom: 2px solid var(--accent-2);
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }
  .nav-item a {
    width: 100%;
    justify-content: flex-start;
    padding: 15px 20px;
    border-bottom: 1px solid var(--rule);
    border-left: 3px solid transparent;
  }
  .nav-item a[aria-current="page"] {
    border-bottom-color: var(--rule);
    border-left-color: var(--accent);
  }
  .nav-text { font-size: 15px; }
  .site-header[data-scrolled="true"] .nav-text { font-size: 15px; }
  .site-header[data-scrolled="true"] .nav-index { opacity: 1; }
  .nav-cta {
    margin: 16px 20px 22px;
    text-align: center;
    justify-content: center;
    display: flex;
  }
  .nav-cta:hover { transform: none; box-shadow: 3px 3px 0 var(--accent); }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 40px 20px 30px;
  }
  .footer-steps { grid-template-columns: 1fr; row-gap: 10px; }
  .foot-step {
    padding: 0;
    border-left: 0;
    border-top: 1px solid var(--rule);
  }
  .foot-step--featured {
    border: 2px solid var(--accent-2);
    padding: 4px 14px 12px;
    box-shadow: 5px 5px 0 var(--rule);
  }
  .foot-step-head {
    padding: 15px 0;
    border-bottom: 0;
    align-items: center;
  }
  .foot-step--featured .foot-step-head { padding-top: 12px; }
  .foot-step-icon {
    display: block;
    position: relative;
    margin-left: auto;
    width: 12px;
    height: 12px;
    flex: 0 0 auto;
  }
  .foot-step-icon::before,
  .foot-step-icon::after {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    width: 12px;
    height: 2px;
    background: var(--accent-2);
    transition: transform 0.18s ease;
  }
  .foot-step-icon::after { transform: rotate(90deg); }
  .foot-step[data-open="true"] .foot-step-icon::after { transform: rotate(0deg); }

  .foot-step-body { display: none; padding: 0 0 4px; }
  .foot-step-body { border-top: 1px solid var(--rule); padding-top: 14px; }
  .foot-step[data-open="true"] .foot-step-body { display: block; }

  .footer-base { padding: 16px 20px 26px; }

  .cols-2, .cols-3, .cols-asym { grid-template-columns: 1fr; gap: 22px; }
}

@media (max-width: 560px) {
  .header-meta { display: none; }
  .header-top { grid-template-columns: 1fr; grid-template-areas: "brand" "tools"; row-gap: 10px; }
  .header-tools { justify-content: center; }
  .card { padding: 20px; }
  .btn { width: 100%; justify-content: center; }
}

/* ---------- 13. Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .live-status::after { transform: scaleX(1); }
  .js [data-reveal] { opacity: 1; transform: none; }
}