/* ============================================================
   BOB CN · 共享站点样式 /assets/site.css
   设计语言：技术蓝图网格 + 夜间体育数据面板
   ============================================================ */

/* ---------- 1. RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
summary{cursor:pointer}
summary::-webkit-details-marker{display:none}

/* ---------- 2. TOKENS ---------- */
:root{
  --ink-900:#060A23;
  --ink-800:#0D1538;
  --line:#1E2A5A;
  --cyan:#22D3EE;
  --ice:#A5F3FC;
  --orange:#FF8A3D;
  --green:#B6F35C;
  --white:#E8EEFF;
  --slate:#7C8BB8;
  --warn:#FFB020;

  --font-title:"Barlow Condensed","Oswald","Noto Sans SC",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",monospace;

  --shell:1280px;
  --gutter:clamp(16px,4vw,40px);
  --cut:20px;
  --dur:.2s;
  --ease:cubic-bezier(.4,0,.2,1);
  --glow-cyan:0 0 0 1px rgba(34,211,238,.35),0 14px 34px -20px rgba(34,211,238,.7);
}

/* ---------- 3. BASE ---------- */
body{
  min-height:100vh;
  background:var(--ink-900);
  color:var(--white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  letter-spacing:.005em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(30,42,90,.55) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(30,42,90,.32) 1px,transparent 1px);
  background-size:88px 88px;
  -webkit-mask-image:radial-gradient(120% 88% at 50% 0%,#000 8%,rgba(0,0,0,.28) 55%,transparent 100%);
  mask-image:radial-gradient(120% 88% at 50% 0%,#000 8%,rgba(0,0,0,.28) 55%,transparent 100%);
  opacity:.8;
}
#main-content{position:relative;z-index:1;scroll-margin-top:150px}
h1,h2,h3,h4{font-family:var(--font-title);font-weight:700;line-height:1.1}
strong{color:var(--ice);font-weight:600}
::selection{background:var(--cyan);color:var(--ink-900)}
:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:2px;
}

/* ---------- 4. LAYOUT ---------- */
.container{width:min(100% - (var(--gutter) * 2),var(--shell));margin-inline:auto}
.section{padding:clamp(48px,7vw,88px) 0;position:relative}
.section--tight{padding:clamp(30px,4vw,52px) 0}
.grid{display:grid;gap:clamp(16px,2vw,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))}
.grid--aside{grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:clamp(20px,3vw,44px)}
.flow > * + *{margin-top:var(--flow,16px)}
@media (max-width:1024px){.grid--aside{grid-template-columns:minmax(0,1fr)}}
@media (max-width:900px){.grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}}

/* ---------- 5. TYPE UTILITIES ---------- */
.t-display{font-family:var(--font-title);font-weight:700;font-size:clamp(38px,6.6vw,96px);line-height:1.02;letter-spacing:-.015em}
.t-h1{font-family:var(--font-title);font-weight:700;font-size:clamp(30px,4.6vw,64px);line-height:1.06;letter-spacing:-.01em}
.t-h2{font-family:var(--font-title);font-weight:700;font-size:clamp(24px,3.4vw,46px);line-height:1.1}
.t-h3{font-family:var(--font-title);font-weight:600;font-size:clamp(19px,2.2vw,28px);line-height:1.2}
.t-lead{font-size:clamp(16px,1.5vw,19px);line-height:1.75;color:#C3CFF2;max-width:62ch}
.t-mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.t-num{font-family:var(--font-mono);font-weight:600;font-size:clamp(22px,2.6vw,34px);line-height:1;color:var(--cyan);font-variant-numeric:tabular-nums}
.t-dim{color:var(--slate)}
.t-accent{color:var(--cyan)}
.t-orange{color:var(--orange)}
.t-green{color:var(--green)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan)}
.eyebrow::before{content:"";display:block;width:22px;height:1px;background:var(--cyan)}
.section-num{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.28em;color:var(--slate);margin-bottom:10px}
.rule{height:1px;border:0;background:linear-gradient(90deg,rgba(34,211,238,.6),rgba(30,42,90,.15))}
.stat-row{display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,44px)}
.stat{display:flex;flex-direction:column;gap:6px}
.stat-value{font-family:var(--font-mono);font-size:clamp(20px,2.4vw,30px);line-height:1.1;color:var(--ice);font-variant-numeric:tabular-nums}
.stat-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--slate)}

/* ---------- 6. BUTTONS ---------- */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 24px;
  border:1px solid var(--line);
  background:rgba(13,21,56,.9);
  color:var(--white);
  font-family:var(--font-title);
  font-size:16px;
  font-weight:600;
  letter-spacing:.08em;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.55);box-shadow:var(--glow-cyan)}
.btn--primary{background:linear-gradient(135deg,var(--cyan),#5AE6F5);color:#04122B;border-color:transparent}
.btn--primary:hover{background:linear-gradient(135deg,var(--ice),var(--cyan))}
.btn--ghost{background:transparent;color:var(--ice);border-color:rgba(34,211,238,.5)}
.btn--orange{background:transparent;color:var(--orange);border-color:rgba(255,138,61,.55)}
.btn--orange:hover{border-color:var(--orange);box-shadow:0 0 0 1px rgba(255,138,61,.4),0 14px 30px -20px rgba(255,138,61,.8)}
.btn--sm{padding:9px 16px;font-size:14px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 7. PANELS ---------- */
.panel{
  position:relative;
  background:linear-gradient(180deg,rgba(13,21,56,.94),rgba(9,14,40,.94));
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,28px);
}
.panel--cut{
  border:0;
  box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.panel--accent{box-shadow:inset 0 2px 0 0 var(--cyan),inset 0 0 0 1px var(--line)}
.panel--flat{background:rgba(6,10,35,.62)}
.panel-link{display:block;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.panel-link:hover{transform:translateY(-4px);box-shadow:0 24px 46px -28px rgba(34,211,238,.65)}

/* ---------- 8. CHIPS / TAGS / BADGES ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border:1px solid var(--line);
  background:rgba(13,21,56,.8);color:var(--slate);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.chip--cyan{color:var(--ice);border-color:rgba(34,211,238,.45);background:rgba(34,211,238,.08)}
.chip--orange{color:var(--orange);border-color:rgba(255,138,61,.45);background:rgba(255,138,61,.08)}
.chip--green{color:var(--green);border-color:rgba(182,243,92,.4);background:rgba(182,243,92,.07)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  padding:6px 12px;border:1px solid var(--line);background:rgba(13,21,56,.7);
  font-family:var(--font-mono);font-size:12px;color:var(--slate);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.tag:hover,.tag.is-active{color:var(--ice);border-color:rgba(34,211,238,.6);background:rgba(34,211,238,.1)}
.badge-list{display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border:1px solid rgba(34,211,238,.3);background:rgba(34,211,238,.07);
  color:var(--ice);font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
}
.badge::before{content:"";width:5px;height:5px;background:var(--cyan);transform:rotate(45deg);flex:none}
.status-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 3px rgba(182,243,92,.16),0 0 12px rgba(182,243,92,.8);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.32}}

/* ---------- 9. DATA TABLE ---------- */
.data-table{border:1px solid var(--line);background:rgba(9,14,40,.7);font-size:14.5px}
.data-table caption{
  padding:10px 14px;text-align:left;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.16em;color:var(--slate);border-bottom:1px solid var(--line);
}
.data-table th,.data-table td{padding:12px 14px;border-bottom:1px solid rgba(30,42,90,.7);text-align:left;vertical-align:top}
.data-table th{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate);background:rgba(13,21,56,.92);white-space:nowrap;
}
.data-table td.num{font-family:var(--font-mono);color:var(--ice);font-variant-numeric:tabular-nums}
.data-table tbody tr:hover{background:rgba(34,211,238,.05)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- 10. BREADCRUMBS ---------- */
.breadcrumbs{padding-top:16px}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--slate)}
.breadcrumb-list a{color:var(--slate);transition:color var(--dur) var(--ease)}
.breadcrumb-list a:hover{color:var(--cyan)}
.breadcrumb-sep{color:rgba(124,139,184,.5)}
.breadcrumb-list [aria-current="page"]{color:var(--ice)}

/* ---------- 11. MEDIA FRAME（页面阶段放置图片） ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  background:linear-gradient(140deg,#0D1538,#060A23);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,22px 100%,0 calc(100% - 22px));
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.media-frame--16x9 img{aspect-ratio:16/9}
.media-frame--4x3 img{aspect-ratio:4/3}
.media-frame--3x4 img{aspect-ratio:3/4}
.media-frame--wide img{aspect-ratio:21/9}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(6,10,35,0) 42%,rgba(6,10,35,.88) 100%),
    repeating-linear-gradient(0deg,rgba(34,211,238,.07) 0 1px,transparent 1px 4px);
}
.media-caption{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--ice);
}
.media-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 10px;background:rgba(6,10,35,.82);border:1px solid rgba(182,243,92,.45);
  color:var(--green);font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
}

/* ---------- 12. ACCORDION ---------- */
.accordion{display:grid;gap:10px}
.accordion-item{border:1px solid var(--line);background:rgba(13,21,56,.72)}
.accordion-item summary{
  display:flex;align-items:center;gap:14px;padding:16px 18px;
  font-family:var(--font-title);font-size:17px;font-weight:600;color:var(--white);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.accordion-item summary::before{content:"+";flex:none;width:14px;font-family:var(--font-mono);font-size:16px;color:var(--cyan)}
.accordion-item[open] summary{color:var(--ice);background:rgba(34,211,238,.06)}
.accordion-item[open] summary::before{content:"–"}
.accordion-body{padding:0 18px 18px;color:var(--slate);font-size:15px}

/* ---------- 13. SECTION SPY ---------- */
.spy-link{
  display:flex;align-items:baseline;gap:10px;
  padding:8px 0 8px 14px;border-left:1px solid var(--line);
  font-family:var(--font-mono);font-size:12.5px;color:var(--slate);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.spy-link:hover{color:var(--ice)}
.spy-link.is-active{color:var(--cyan);border-left-color:var(--cyan)}

/* ---------- 14. REVEAL ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .26s ease,transform .26s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 15. SKIP LINK ---------- */
.skip-link{
  position:fixed;left:50%;top:-72px;transform:translateX(-50%);z-index:200;
  padding:10px 20px;background:var(--cyan);color:var(--ink-900);
  font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:10px}

/* ---------- 16. HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,#080D2C 0%,rgba(6,10,35,.98) 100%);
  border-bottom:1px solid var(--line);
}
.header-rail{background:rgba(13,21,56,.62);border-bottom:1px solid rgba(30,42,90,.75)}
.header-rail-inner{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  min-height:34px;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--slate);
}
.rail-status{display:inline-flex;align-items:center;gap:8px;color:var(--ice);white-space:nowrap}
.rail-meta{color:var(--slate);white-space:nowrap}
.rail-links{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.util-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 0;border-bottom:1px solid transparent;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--slate);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.util-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(12px,2vw,28px);min-height:68px;padding-block:10px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  padding:6px 12px;
  font-family:var(--font-title);font-size:20px;font-weight:700;letter-spacing:.1em;
  color:var(--ink-900);background:linear-gradient(135deg,var(--cyan),var(--ice));
  clip-path:polygon(0 0,100% 0,calc(100% - 9px) 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;gap:2px}
.brand-line{font-family:var(--font-title);font-size:17px;font-weight:600;letter-spacing:.04em;color:var(--white)}
.brand-sub{font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;color:var(--slate)}
.brand--footer .brand-mark{font-size:17px;padding:5px 10px}
.brand--footer .brand-line{font-size:16px}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 13px;border:1px solid var(--line);background:rgba(13,21,56,.9);
  color:var(--white);cursor:pointer;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"]{color:var(--cyan);border-color:rgba(34,211,238,.6)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:15px;flex:none}
.nav-toggle-bars span{display:block;height:2px;background:currentColor;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.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}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.primary-nav{display:flex;align-items:center;justify-content:flex-end;flex:1;gap:18px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{display:block}
.nav-link{
  position:relative;display:inline-flex;align-items:baseline;gap:7px;
  padding:10px 11px;border:1px solid transparent;
  font-family:var(--font-body);font-size:14.5px;color:var(--slate);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-index{font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:rgba(124,139,184,.72)}
.nav-link:hover{color:var(--ice);background:rgba(34,211,238,.07);border-color:rgba(34,211,238,.24)}
.nav-link[aria-current="page"]{
  color:var(--ice);border-color:rgba(34,211,238,.5);
  background:linear-gradient(180deg,rgba(34,211,238,.16),rgba(34,211,238,.03));
}
.nav-link[aria-current="page"] .nav-index{color:var(--cyan)}
.nav-link[aria-current="page"]::after{content:"";position:absolute;left:8px;right:8px;bottom:2px;height:2px;background:var(--cyan)}
.nav-utility{display:none;flex-wrap:wrap;gap:16px}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(30,42,90,.7);overflow:hidden;
}
.scroll-progress-bar{
  display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--cyan),var(--ice) 55%,var(--orange));
}

/* ---------- 17. FOOTER ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:clamp(48px,7vw,96px);
  padding:clamp(40px,5vw,64px) 0 26px;
  background:linear-gradient(180deg,#080D2C 0%,var(--ink-900) 100%);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.45;
}
.footer-top{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.45fr);
  gap:clamp(24px,4vw,56px);
  padding-bottom:34px;border-bottom:1px solid rgba(30,42,90,.7);
}
.footer-brand{display:flex;flex-direction:column;gap:16px}
.footer-tagline{font-size:14px;color:var(--slate);max-width:34ch}
.footer-legend{display:flex;flex-wrap:wrap;gap:8px 18px}
.legend-item{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--slate)}
.legend-dot{display:block;width:8px;height:8px;transform:rotate(45deg);flex:none}
.legend-dot--green{background:var(--green);box-shadow:0 0 10px rgba(182,243,92,.85)}
.legend-dot--cyan{background:var(--cyan)}
.legend-dot--orange{background:var(--orange)}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2.6vw,32px)}
.footer-col-title{
  margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid rgba(34,211,238,.28);
  font-family:var(--font-mono);font-size:11px;font-weight:400;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);
}
.footer-links li + li{margin-top:9px}
.footer-links a{display:inline-block;font-size:14px;color:var(--slate);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.footer-links a:hover{color:var(--ice);transform:translateX(4px)}
.footer-links a[aria-current="page"]{color:var(--cyan)}
.footer-contact{
  display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);
  gap:clamp(20px,3vw,40px);
  padding:28px 0;border-bottom:1px solid rgba(30,42,90,.7);
}
.contact-list{display:flex;flex-wrap:wrap;gap:14px 32px}
.contact-item{display:inline-flex;flex-direction:column;gap:5px}
.contact-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--slate)}
.contact-value{font-family:var(--font-mono);font-size:14px;color:var(--ice);word-break:break-all}
.footer-note{font-size:12.5px;line-height:1.75;color:var(--slate)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  padding-top:22px;font-family:var(--font-mono);font-size:12px;color:var(--slate);
}
.footer-copy,.footer-icp,.footer-service{letter-spacing:.04em}
.footer-icp{color:rgba(124,139,184,.85)}

/* ---------- 18. RESPONSIVE ---------- */
@media (max-width:1080px){
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    padding:8px var(--gutter) 20px;
    background:#080D2C;border-bottom:1px solid var(--line);
    box-shadow:0 26px 44px -26px rgba(0,0,0,.95);
  }
  .primary-nav[data-open]{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-item{width:100%}
  .nav-link{width:100%;padding:13px 4px;border-bottom:1px solid rgba(30,42,90,.6);font-size:15.5px}
  .nav-link[aria-current="page"]{background:none;border-color:transparent;border-bottom-color:rgba(30,42,90,.6)}
  .nav-link[aria-current="page"]::after{left:0;right:auto;bottom:8px;width:26px}
  .nav-utility{display:flex;padding-top:18px}
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-contact{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:760px){
  .header-rail-inner{flex-wrap:wrap;row-gap:4px;padding-block:5px}
  .rail-meta{display:none}
  .rail-links{margin-left:0;width:100%;gap:14px}
  .brand-line{font-size:15px}
  .brand-sub{font-size:10px}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:520px){
  .brand-mark{font-size:17px;padding:5px 10px}
  .brand-line{font-size:14px}
  .contact-list{flex-direction:column;gap:14px}
}

/* ---------- 19. MOTION PREFERENCES ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .btn:hover,.panel-link:hover,.footer-links a:hover{transform:none}
}