/* =========================================================
   BSPORT 体育主站 — 共享站点样式 /assets/site.css
   01 TOKENS · 02 RESET · 03 BASE · 04 LAYOUT · 05 SKIP
   06 SIDE AXIS · 07 HEADER · 08 MOBILE DOCK · 09 FOOTER
   10 BUTTONS · 11 TEXT UTILS · 12 COMPONENTS · 13 MOTION
   14 RESPONSIVE · 15 REDUCED MOTION
   ========================================================= */

/* ===================== 01 TOKENS ===================== */
:root{
  --c-deep:#08182C;
  --c-deep-2:#061323;
  --c-panel:#102A47;
  --c-panel-2:#0B2038;
  --c-cyan:#35E6D2;
  --c-signal:#FF5A3C;
  --c-ice:#EAF2FA;
  --c-paper:#F3EDE2;
  --c-graphite:#7C8CA0;
  --c-blueprint:#2E6FB7;
  --c-warn:#FFC53D;
  --c-ok:#4FD98B;

  --line:rgba(46,111,183,.34);
  --line-soft:rgba(46,111,183,.18);
  --line-strong:rgba(53,230,210,.55);

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

  --gut:clamp(18px,4vw,64px);
  --axis-w:56px;
  --dock-h:60px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===================== 02 RESET ===================== */
*,*::before,*::after{box-sizing:border-box}
h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,dt{margin:0;padding:0}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
table{border-collapse:collapse;width:100%}
input,textarea,select{font:inherit;color:inherit}
hr{border:0;border-top:1px solid var(--line-soft)}
[hidden]{display:none !important}

/* ===================== 03 BASE ===================== */
html{
  scroll-behavior:smooth;
  scroll-padding-top:132px;
  -webkit-text-size-adjust:100%;
}
body{
  min-height:100vh;
  background-color:var(--c-deep);
  background-image:
    repeating-linear-gradient(90deg, rgba(46,111,183,.10) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(46,111,183,.06) 0 1px, transparent 1px 96px);
  background-attachment:fixed;
  color:var(--c-ice);
  font-family:var(--font-body);
  font-size:clamp(16px,1.02vw,18px);
  font-weight:400;
  line-height:1.75;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.14;
  letter-spacing:-.02em;
}
h2{font-size:clamp(26px,3.2vw,40px)}
h3{font-size:clamp(20px,2.2vw,26px);font-weight:800;letter-spacing:-.01em}
::selection{background:var(--c-cyan);color:var(--c-deep)}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px}

/* ===================== 04 LAYOUT ===================== */
.wrap{
  width:100%;
  max-width:1440px;
  margin-inline:auto;
  padding-inline:var(--gut);
}
.section{padding-block:clamp(64px,9vw,140px)}
.section--tight{padding-block:clamp(40px,5vw,72px)}
.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2vw,28px);
}
.stack{display:flex;flex-direction:column;gap:clamp(20px,3vw,36px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(12px,1.6vw,24px)}
.rule{height:1px;background:var(--line-soft);border:0}

/* ===================== 05 SKIP LINK ===================== */
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:200;
  transform:translateY(-240%);
  padding:12px 22px;
  min-height:44px;
  display:inline-flex;
  align-items:center;
  background:var(--c-cyan);
  color:var(--c-deep);
  font-weight:800;
  font-size:14px;
  letter-spacing:.04em;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ===================== 06 SIDE AXIS ===================== */
.side-axis{display:none}

/* ===================== 07 HEADER ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#0A1D33;
  border-bottom:1px solid var(--line);
}
.header-util{
  border-bottom:1px solid var(--line-soft);
  background:#071628;
}
.header-util__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:38px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
}
.header-util__brand{display:flex;align-items:center;gap:14px;min-width:0}
.header-util__mark{color:var(--c-cyan);font-weight:700;letter-spacing:.18em}
.header-util__tag{color:var(--c-graphite);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-util__meta{display:flex;align-items:center;gap:18px;color:var(--c-graphite)}
.header-util__icp{color:var(--c-blueprint)}
.header-util__mail{color:var(--c-graphite)}

.header-main__inner{
  display:flex;
  align-items:center;
  gap:clamp(16px,2.4vw,36px);
  min-height:66px;
}
.header-cta{margin-left:auto;flex:0 0 auto}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:10px 14px;
  border:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--c-ice);
  position:relative;
  z-index:95;
}
.nav-toggle:hover{border-color:var(--c-cyan)}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  transition:background .2s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:currentColor;
  transition:transform .22s var(--ease),top .22s var(--ease),background .22s var(--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{top:0;transform:rotate(45deg);background:var(--c-cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg);background:var(--c-cyan)}
.nav-toggle__text{white-space:nowrap}

.primary-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(2px,1.5vw,28px);
}
.primary-nav a{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:12px 2px;
  min-height:44px;
  font-size:15px;
  font-weight:500;
  color:var(--c-graphite);
  transition:color .18s var(--ease);
}
.primary-nav a:hover{color:var(--c-ice)}
.primary-nav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:4px;
  height:2px;
  background:var(--c-cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.primary-nav a:hover::after{transform:scaleX(1)}
.primary-nav a[aria-current="page"]{color:var(--c-ice)}
.primary-nav a[aria-current="page"]::after{transform:scaleX(1)}
.primary-nav a[aria-current="page"] .nav-num{color:var(--c-cyan)}
.nav-num{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--c-blueprint);
  transition:color .18s var(--ease);
}

/* ===================== 08 MOBILE DOCK ===================== */
.m-dock{display:none}

/* ===================== 09 FOOTER ===================== */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(48px,7vw,120px);
  border-top:1px solid var(--line);
  background:#061323;
  padding-top:clamp(48px,7vw,96px);
}
.footer-lede{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:32px;
  border-bottom:1px solid var(--line-soft);
}
.footer-lede__brand{
  font-family:var(--font-display);
  font-size:clamp(30px,4vw,52px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1;
  color:var(--c-ice);
  display:flex;
  align-items:baseline;
  gap:14px;
}
.footer-lede__sub{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.24em;
  font-weight:400;
  color:var(--c-cyan);
}
.footer-lede__note{
  max-width:46ch;
  font-size:15px;
  color:var(--c-graphite);
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(20px,3vw,44px);
  padding-block:clamp(32px,5vw,56px);
}
.footer-col__title{
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.18em;
  color:var(--c-cyan);
  margin-bottom:16px;
}
.footer-col li{
  padding:7px 0;
  font-size:15px;
  color:var(--c-graphite);
  line-height:1.6;
}
.footer-col a{
  color:var(--c-ice);
  border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.footer-col a:hover{color:var(--c-cyan);border-bottom-color:var(--c-cyan)}
.footer-contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px 32px;
  padding-block:26px;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.footer-contact__item dt{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--c-blueprint);
  margin-bottom:6px;
}
.footer-contact__item dd{
  font-size:14px;
  color:var(--c-ice);
  line-height:1.65;
  word-break:break-word;
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  padding-block:22px 30px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-graphite);
}
.footer-base__legal{color:var(--c-blueprint)}
.footer-base__year{color:var(--c-graphite)}

/* ===================== 10 BUTTONS ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:46px;
  padding:12px 24px;
  border:1px solid var(--c-cyan);
  background:var(--c-cyan);
  color:var(--c-deep);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.2;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{background:#5BF0DF;border-color:#5BF0DF;transform:translateY(-1px)}
.btn--ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--c-ice);
  font-weight:600;
}
.btn--ghost:hover{background:rgba(53,230,210,.12);border-color:var(--c-cyan);color:var(--c-cyan);transform:translateY(-1px)}
.btn--signal{
  background:var(--c-signal);
  border-color:var(--c-signal);
  color:#fff;
}
.btn--signal:hover{background:#FF7358;border-color:#FF7358}

/* ===================== 11 TEXT UTILS ===================== */
.prose{max-width:38em;color:var(--c-ice)}
.prose p{font-size:17px;line-height:1.8;margin-bottom:1.15em}
.prose p:last-child{margin-bottom:0}
.prose h2{margin:1.6em 0 .6em}
.prose h3{margin:1.4em 0 .5em}
.prose ul{list-style:none;margin-bottom:1.15em}
.prose ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:.5em;
  color:var(--c-ice);
}
.prose ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:10px;
  height:1px;
  background:var(--c-cyan);
}
.prose a{color:var(--c-cyan);border-bottom:1px solid var(--line-strong)}
.prose a:hover{border-bottom-color:var(--c-cyan)}
.prose strong{font-weight:700;color:#fff}
.prose--paper{color:#1B2A3A}
.prose--paper p,.prose--paper li{color:#33445A}
.prose--paper a{color:#0F5C8C;border-bottom-color:rgba(15,92,140,.4)}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--c-cyan);
  text-transform:uppercase;
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.75;color:var(--c-graphite);max-width:40em}
.text-signal{color:var(--c-signal)}
.text-cyan{color:var(--c-cyan)}
.text-warn{color:var(--c-warn)}
.text-ok{color:var(--c-ok)}
.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* ===================== 12 COMPONENTS ===================== */
/* --- breadcrumb --- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--c-graphite);
}
.breadcrumb a{color:var(--c-graphite);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--c-cyan)}
.breadcrumb__sep{color:var(--c-blueprint)}

/* --- section head --- */
.sec-head{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:16px 20px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line-soft);
}
.sec-head__num{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--c-cyan);
}
.sec-head__title{
  font-size:clamp(24px,3vw,38px);
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--c-ice);
}
.sec-head__note{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-graphite);
}

/* --- data card --- */
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px 22px 20px;
  background:linear-gradient(180deg, rgba(16,42,71,.94), rgba(11,32,56,.94));
  border:1px solid var(--line);
  box-shadow:0 1px 0 rgba(234,242,250,.04), 0 22px 40px -34px rgba(0,0,0,.95);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.card__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--c-graphite);
}
.card__value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(26px,2.8vw,38px);
  font-weight:700;
  letter-spacing:-.03em;
  line-height:1.1;
  color:var(--c-ice);
}
.card__value small{font-size:.44em;font-weight:500;color:var(--c-graphite);margin-left:6px;letter-spacing:.04em}
.card__text{font-size:14.5px;color:var(--c-graphite);line-height:1.7}
.card__pulse{
  position:absolute;
  top:15px;
  right:15px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--c-ok);
  animation:pulse 4s ease-in-out infinite;
}
.card__pulse--signal{background:var(--c-signal);animation-name:pulse-signal}
.card--signal .card__value{color:var(--c-signal)}
.card--paper{
  background:var(--c-paper);
  border-color:rgba(8,24,44,.14);
  box-shadow:0 20px 40px -34px rgba(8,24,44,.5);
}
.card--paper .card__label{color:#5A6B7E}
.card--paper .card__value{color:#0B2038}
.card--paper .card__text{color:#4A5A6C}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(79,217,139,.55);opacity:.82}
  50%{box-shadow:0 0 0 8px rgba(79,217,139,0);opacity:1}
}
@keyframes pulse-signal{
  0%,100%{box-shadow:0 0 0 0 rgba(255,90,60,.55);opacity:.82}
  50%{box-shadow:0 0 0 8px rgba(255,90,60,0);opacity:1}
}

/* --- media --- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  width:100%;
  aspect-ratio:16/9;
  background:linear-gradient(135deg,#0B2038 0%,#123354 55%,#0B2038 100%);
  border:1px solid var(--line);
}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.media--tall{aspect-ratio:4/5}
.media--square{aspect-ratio:1/1}
.media--wide{aspect-ratio:21/9}
.media--tilt{
  transform:rotate(-2.4deg);
  transition:transform .42s var(--ease);
}
.media--tilt.is-in{transform:rotate(-2.4deg)}
.media--tilt:not(.is-in){transform:rotate(-6deg)}
.media__cap{
  position:absolute;
  left:0;
  bottom:0;
  padding:8px 14px;
  background:rgba(6,19,35,.82);
  border-top:1px solid var(--line);
  border-right:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-ice);
}
.media__grid{
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(53,230,210,.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(53,230,210,.10) 1px, transparent 1px);
  background-size:64px 64px;
  mix-blend-mode:screen;
}

/* --- tabs --- */
.tabs{width:100%}
.tabs__list{
  display:flex;
  flex-wrap:wrap;
  gap:4px;
  border-bottom:1px solid var(--line);
}
.tabs__tab{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:46px;
  padding:12px 18px;
  margin-bottom:-1px;
  border-bottom:2px solid transparent;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--c-graphite);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.tabs__tab:hover{color:var(--c-ice)}
.tabs__tab[aria-selected="true"]{
  color:var(--c-ice);
  border-bottom-color:var(--c-cyan);
}
.tabs__tab[aria-selected="true"] .nav-num{color:var(--c-cyan)}
.tabs__panel{padding-top:clamp(24px,3vw,40px)}
.tabs__panel[hidden]{display:none}

/* --- segmented --- */
.segmented{
  display:inline-flex;
  flex-wrap:wrap;
  padding:3px;
  gap:2px;
  background:rgba(16,42,71,.9);
  border:1px solid var(--line);
}
.segmented__btn{
  min-height:40px;
  padding:8px 16px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--c-graphite);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.segmented__btn:hover{color:var(--c-ice)}
.segmented__btn[aria-selected="true"],
.segmented__btn[aria-pressed="true"]{
  background:var(--c-cyan);
  color:var(--c-deep);
  font-weight:700;
}

/* --- chips --- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:7px 15px;
  border:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-graphite);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.chip:hover{border-color:var(--line-strong);color:var(--c-ice)}
.chip[aria-pressed="true"]{
  background:var(--c-cyan);
  border-color:var(--c-cyan);
  color:var(--c-deep);
  font-weight:700;
}

/* --- accordion --- */
.accordion{width:100%;border-top:1px solid var(--line-soft)}
.accordion__item{border-bottom:1px solid var(--line-soft)}
.accordion__trigger{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  min-height:44px;
  padding:20px 0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--c-ice);
  transition:color .18s var(--ease);
}
.accordion__trigger:hover{color:var(--c-cyan)}
.accordion__sign{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:16px;
  color:var(--c-cyan);
  line-height:1;
}
.accordion__sign::before{content:"+"}
.accordion__trigger[aria-expanded="true"] .accordion__sign::before{content:"−"}
.accordion__panel{
  padding-bottom:20px;
  max-width:40em;
  font-size:15.5px;
  line-height:1.8;
  color:var(--c-graphite);
}
.accordion__panel[hidden]{display:none}

/* --- paper reading surface --- */
.paper{
  background:var(--c-paper);
  color:#1B2A3A;
  border:1px solid rgba(8,24,44,.16);
  padding:clamp(24px,4vw,56px);
}
.paper h2,.paper h3{color:#0B2038}

/* --- timeline / axis ticks used by inner pages --- */
.ticks{
  position:relative;
  padding-left:26px;
  border-left:1px solid var(--line);
}
.ticks::before{
  content:"";
  position:absolute;
  left:-4px;
  top:0;
  width:7px;height:7px;
  background:var(--c-cyan);
}

/* ===================== 13 MOTION ===================== */
[data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ===================== 14 RESPONSIVE ===================== */
@media (min-width:1100px){
  .side-axis{
    position:fixed;
    left:0;
    top:0;
    bottom:0;
    z-index:65;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    width:var(--axis-w);
    padding:22px 0;
    background:#061323;
    border-right:1px solid var(--line);
  }
  body{padding-left:var(--axis-w)}
  .side-axis__label{
    writing-mode:vertical-rl;
    font-family:var(--font-mono);
    font-size:10px;
    letter-spacing:.34em;
    color:var(--c-blueprint);
  }
  .side-axis__track{
    position:relative;
    flex:1 1 auto;
    min-height:60px;
    width:2px;
    background:var(--line);
  }
  .side-axis__fill{
    position:absolute;
    left:0;
    top:0;
    width:100%;
    height:0;
    background:linear-gradient(180deg,var(--c-cyan) 0%,var(--c-signal) 100%);
  }
  .side-axis__index{
    font-family:var(--font-mono);
    font-size:12px;
    letter-spacing:.1em;
    color:var(--c-cyan);
    font-variant-numeric:tabular-nums;
  }
  .side-axis__top{
    display:grid;
    place-items:center;
    width:34px;
    height:34px;
    border:1px solid var(--line);
    color:var(--c-ice);
    font-family:var(--font-mono);
    font-size:13px;
    line-height:1;
    transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
  }
  .side-axis__top:hover{border-color:var(--c-cyan);color:var(--c-cyan);background:rgba(53,230,210,.1)}
}

@media (max-width:980px){
  .site-header{scroll-margin-top:0}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-cta{display:none}
  .primary-nav{
    position:fixed;
    inset:0;
    z-index:90;
    display:flex;
    flex-direction:column;
    padding:calc(24px + env(safe-area-inset-top)) var(--gut) calc(96px + env(safe-area-inset-bottom));
    overflow-y:auto;
    background:var(--c-deep-2);
    background-image:
      repeating-linear-gradient(0deg, rgba(46,111,183,.10) 0 1px, transparent 1px 84px);
    opacity:0;
    visibility:hidden;
    transform:translateY(-100%);
    transition:transform .34s var(--ease),opacity .24s linear,visibility .34s linear;
  }
  .primary-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .primary-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    width:100%;
  }
  .primary-nav__list li{border-bottom:1px solid var(--line-soft)}
  .primary-nav a{
    width:100%;
    padding:20px 2px;
    font-size:22px;
    font-weight:800;
    color:var(--c-ice);
  }
  .primary-nav a::after{display:none}
  .primary-nav a[aria-current="page"]{color:var(--c-cyan)}
  .nav-num{font-size:12px}

  .m-dock{
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:55;
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    background:#071628;
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .m-dock a{
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:var(--dock-h);
    font-family:var(--font-mono);
    font-size:12.5px;
    letter-spacing:.1em;
    color:var(--c-graphite);
    border-right:1px solid var(--line-soft);
  }
  .m-dock a:last-child{border-right:0}
  .m-dock a[aria-current="page"]{color:var(--c-cyan);background:rgba(53,230,210,.07)}
  body{padding-bottom:calc(var(--dock-h) + env(safe-area-inset-bottom))}

  html.nav-open{overflow:hidden}
  html.nav-open .m-dock{display:none}

  .site-footer{margin-top:clamp(40px,8vw,72px)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:760px){
  .header-util__inner{min-height:36px}
  .header-util__tag{display:none}
  .header-util__mail{display:none}
  .header-util__icp{font-size:11.5px}
  .header-main__inner{min-height:58px}
  .sec-head__note{margin-left:0;width:100%}
}

@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:8px}
  .footer-col{padding-bottom:14px;border-bottom:1px solid var(--line-soft)}
  .footer-col__title{margin-bottom:10px}
  .footer-lede__brand{font-size:32px}
  .footer-base{flex-direction:column;align-items:flex-start}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
}

/* ===================== 15 REDUCED MOTION ===================== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    transition-delay:0ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .media--tilt,
  .media--tilt:not(.is-in){transform:none}
  .card__pulse{animation:none;box-shadow:none}
}