/* ==========================================================================
   sharp-duel.com.cn — 多宝体育赛 共享样式表 /assets/site.css
   轨道式布局 · 电光蓝数据线 · 珠宝色分区
   ========================================================================== */

:root{
  --sd-blue:#0A84FF;
  --sd-ink:#0B1220;
  --sd-obsidian:#171A35;
  --sd-teal:#0E3B3A;
  --sd-violet:#2B1440;
  --sd-orange:#FF6B00;
  --sd-cyan:#12C7A8;
  --sd-gold:#FFD166;
  --sd-silver:#C9D4E2;
  --sd-mist:#F4F7FC;
  --sd-frost:#E8F3FF;
  --sd-text:#1B2233;
  --sd-text-soft:#4A5568;

  --sd-rail-w:96px;
  --sd-topbar-h:68px;
  --sd-max:1240px;
  --sd-radius-lg:28px;
  --sd-radius-md:18px;
  --sd-pill:999px;
  --sd-cut:8deg;

  --sd-font-display:"Helvetica Neue","Arial Narrow","Nimbus Sans Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --sd-font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --sd-font-mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sd-font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--sd-text);
  background:var(--sd-mist);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ---------- 基础排版件 ---------- */
h1,h2,h3,h4{font-weight:700;line-height:1.2}
.sd-display{
  font-family:var(--sd-font-display);
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.02;
  color:var(--sd-ink);
  font-size:clamp(2.6rem,6vw,5.4rem);
}
.sd-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sd-font-mono);font-size:13px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--sd-blue);
}
.sd-kicker::before{content:"";width:22px;height:2px;background:var(--sd-orange);border-radius:2px}
.sd-num{font-family:var(--sd-font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.sd-index{font-family:var(--sd-font-mono);font-size:13px;letter-spacing:.08em;color:#5A6880}
.sd-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}

/* ---------- 焦点与跳转 ---------- */
:focus-visible{outline:3px solid var(--sd-orange);outline-offset:3px;border-radius:6px}
.sd-skip{
  position:fixed;top:10px;left:50%;z-index:90;
  transform:translate(-50%,-260%);
  padding:11px 22px;border-radius:var(--sd-pill);
  background:var(--sd-orange);color:#12100C;font-size:14px;font-weight:700;letter-spacing:.06em;
  transition:transform .22s ease;
}
.sd-skip:focus{transform:translate(-50%,0)}

/* ---------- 顶部滚动进度 ---------- */
.sd-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;z-index:80;
  background:linear-gradient(90deg,var(--sd-blue),var(--sd-cyan) 55%,var(--sd-orange));
  transform:scaleX(var(--sd-scroll,0));
  transform-origin:0 50%;
  pointer-events:none;
}

/* ---------- 页面外壳 ---------- */
.sd-shell{padding-left:var(--sd-rail-w);padding-top:var(--sd-topbar-h)}
.sd-container{
  width:100%;max-width:var(--sd-max);
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,48px);
}

/* ---------- 左侧品牌轨道 ---------- */
.sd-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--sd-rail-w);z-index:70;
  display:flex;flex-direction:column;align-items:center;gap:20px;
  padding:22px 0 20px;
  background:linear-gradient(180deg,#0B1220 0%,#171A35 46%,#0E3B3A 100%);
  border-right:1px solid rgba(10,132,255,.45);
  overflow:hidden;
}
.sd-rail::after{
  content:"";position:absolute;left:-30%;bottom:-60px;width:160%;height:150px;
  background:linear-gradient(120deg,rgba(255,107,0,.30),transparent 68%);
  transform:rotate(-9deg);pointer-events:none;
}
.sd-rail__brand{display:flex;flex-direction:column;align-items:center;gap:16px}
.sd-rail__spark{
  width:11px;height:11px;background:var(--sd-orange);border-radius:3px;
  transform:rotate(45deg);box-shadow:0 0 14px rgba(255,107,0,.75);
}
.sd-rail__mark{
  writing-mode:vertical-rl;
  font-family:var(--sd-font-display);font-size:19px;font-weight:800;
  letter-spacing:.3em;color:var(--sd-mist);line-height:1;
}
.sd-rail__badge{
  writing-mode:vertical-rl;
  font-family:var(--sd-font-mono);font-size:11px;letter-spacing:.16em;
  color:#66B6FF;border:1px solid rgba(10,132,255,.5);
  border-radius:var(--sd-pill);padding:14px 6px;
  background:rgba(10,132,255,.10);
}
.sd-rail__track{
  position:relative;flex:1 1 auto;width:1px;min-height:60px;
  background:linear-gradient(180deg,rgba(201,212,226,.42),rgba(201,212,226,0));
}
.sd-rail__pulse{
  position:absolute;left:50%;top:calc(var(--sd-scroll,0) * 100%);
  width:9px;height:9px;margin:-4.5px 0 0 -4.5px;border-radius:50%;
  background:var(--sd-orange);box-shadow:0 0 12px rgba(255,107,0,.85);
}
.sd-rail__foot{
  writing-mode:vertical-rl;font-size:10px;letter-spacing:.34em;
  color:var(--sd-silver);opacity:.5;
}

/* ---------- 顶栏 ---------- */
.sd-topbar{
  position:fixed;top:0;left:var(--sd-rail-w);right:0;z-index:65;
  height:var(--sd-topbar-h);
  display:flex;align-items:center;gap:clamp(12px,2vw,30px);
  padding:0 clamp(14px,3vw,40px);
  background:rgba(11,18,32,.86);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(201,212,226,.16);
}
.sd-topbar__lead{display:flex;align-items:center;gap:16px;margin-right:auto;min-width:0}
.sd-topbar__brand{
  display:none;align-items:center;gap:10px;
  font-family:var(--sd-font-display);font-size:16px;font-weight:800;
  letter-spacing:.16em;color:var(--sd-mist);white-space:nowrap;
}
.sd-topbar__brand::before{
  content:"";width:10px;height:10px;border-radius:2px;
  background:var(--sd-orange);transform:rotate(45deg);
}
.sd-status{
  display:flex;align-items:center;gap:9px;
  font-family:var(--sd-font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--sd-silver);white-space:nowrap;
}
.sd-status__dot{
  width:7px;height:7px;border-radius:50%;background:var(--sd-cyan);
  box-shadow:0 0 0 3px rgba(18,199,168,.18);
  animation:sd-pulse 2.4s ease-in-out infinite;
}
@keyframes sd-pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ---------- 栏目导航 ---------- */
.sd-nav{display:block}
.sd-nav__list{display:flex;align-items:center;gap:clamp(4px,1.3vw,18px)}
.sd-nav__link{
  position:relative;display:inline-block;padding:9px 5px;
  font-size:15px;letter-spacing:.06em;color:var(--sd-silver);
  white-space:nowrap;transition:color .2s ease;
}
.sd-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  border-radius:2px;background:var(--sd-blue);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .24s cubic-bezier(.22,.7,.3,1);
}
.sd-nav__link:hover{color:var(--sd-mist)}
.sd-nav__link:hover::after{transform:scaleX(1)}
.sd-nav__link[aria-current="page"]{color:var(--sd-mist);font-weight:600}
.sd-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--sd-orange)}

/* ---------- 终端胶囊与账号 ---------- */
.sd-utility{display:flex;align-items:center;gap:12px}
.sd-device{
  display:flex;align-items:center;gap:2px;padding:4px;
  border:1px solid rgba(201,212,226,.26);border-radius:var(--sd-pill);
  background:rgba(23,26,53,.62);
}
.sd-device__opt{
  font-family:var(--sd-font-mono);font-size:11px;letter-spacing:.06em;
  padding:4px 10px;border-radius:var(--sd-pill);color:var(--sd-silver);
  transition:background-color .2s ease,color .2s ease;
}
@media (max-width:767px){
  .sd-device__opt[data-device="mobile"]{background:var(--sd-blue);color:#04121F;font-weight:700}
}
@media (min-width:768px) and (max-width:1199px){
  .sd-device__opt[data-device="tablet"]{background:var(--sd-blue);color:#04121F;font-weight:700}
}
@media (min-width:1200px){
  .sd-device__opt[data-device="desktop"]{background:var(--sd-blue);color:#04121F;font-weight:700}
}
.sd-account{
  display:inline-flex;align-items:center;padding:10px 18px;border-radius:var(--sd-pill);
  background:linear-gradient(120deg,var(--sd-orange),#FF8A2B);
  color:#12100C;font-size:13px;font-weight:700;letter-spacing:.08em;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease;
}
.sd-account:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,107,0,.34)}

/* ---------- 移动端菜单按钮 ---------- */
.sd-nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid rgba(201,212,226,.3);
  background:rgba(23,26,53,.72);color:var(--sd-mist);cursor:pointer;
  transition:border-color .2s ease,background-color .2s ease;
}
.sd-nav-toggle:hover{border-color:var(--sd-blue);background:rgba(10,132,255,.18)}
.sd-nav-toggle__bars{display:flex;flex-direction:column;gap:5px}
.sd-nav-toggle__bars span{width:18px;height:2px;border-radius:2px;background:currentColor}
.sd-nav-toggle[aria-expanded="true"] .sd-nav-toggle__bars span:first-child{transform:translateY(3.5px) rotate(45deg)}
.sd-nav-toggle[aria-expanded="true"] .sd-nav-toggle__bars span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

/* ---------- 页脚 ---------- */
.sd-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,8vw,96px);
  padding:clamp(46px,7vw,84px) 0 32px;
  padding-left:var(--sd-rail-w);
  background:linear-gradient(165deg,#0B1220 0%,#171A35 52%,#2B1440 100%);
  color:var(--sd-silver);
}
.sd-footer::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--sd-blue),var(--sd-cyan) 42%,var(--sd-orange));
}
.sd-footer::after{
  content:"";position:absolute;right:-120px;top:-90px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(10,132,255,.22),transparent 68%);
  pointer-events:none;
}
.sd-footer__grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.15fr) repeat(3,minmax(0,1fr));
  gap:clamp(24px,4vw,56px);
}
.sd-footer__logo{
  font-family:var(--sd-font-display);font-size:clamp(1.3rem,2.4vw,1.7rem);
  font-weight:800;letter-spacing:.22em;color:var(--sd-mist);
}
.sd-footer__tagline{
  margin-top:10px;font-family:var(--sd-font-mono);font-size:13px;
  letter-spacing:.14em;color:var(--sd-orange);
}
.sd-footer__meta{
  margin-top:16px;font-size:13px;line-height:1.9;
  color:rgba(201,212,226,.66);max-width:24ch;
}
.sd-footer__col-title{
  position:relative;padding-left:16px;
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--sd-mist);
}
.sd-footer__col-title::before{
  content:"";position:absolute;left:0;top:.5em;width:8px;height:2px;
  border-radius:2px;background:var(--sd-blue);
}
.sd-footer__list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.sd-footer__list a{
  font-size:15px;color:rgba(201,212,226,.82);
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.sd-footer__list a:hover{color:var(--sd-mist);border-bottom-color:var(--sd-blue)}
.sd-footer__list--plain li{font-size:15px;color:rgba(201,212,226,.66)}
.sd-footer__contact{
  position:relative;z-index:1;
  margin-top:clamp(28px,4vw,46px);padding:18px 22px;border-radius:22px;
  border:1px solid rgba(201,212,226,.16);background:rgba(11,18,32,.55);
  display:flex;flex-wrap:wrap;gap:10px 30px;
  font-family:var(--sd-font-mono);font-size:13px;letter-spacing:.04em;
  color:rgba(201,212,226,.72);
}
.sd-footer__contact b{color:var(--sd-mist);font-weight:600}
.sd-footer__notice{
  position:relative;z-index:1;
  margin-top:14px;font-size:13px;line-height:1.75;
  color:rgba(201,212,226,.6);max-width:72ch;
}
.sd-footer__base{
  position:relative;z-index:1;
  margin-top:28px;padding-top:20px;
  border-top:1px solid rgba(201,212,226,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-family:var(--sd-font-mono);font-size:12px;letter-spacing:.08em;
  color:rgba(201,212,226,.7);
}

/* ---------- 按钮 ---------- */
.sd-btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--sd-pill);
  font-size:14px;font-weight:700;letter-spacing:.06em;
  border:1px solid transparent;cursor:pointer;background:transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.sd-btn--primary{background:linear-gradient(120deg,var(--sd-orange),#FF8A2B);color:#12100C}
.sd-btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,107,0,.34)}
.sd-btn--blue{background:var(--sd-blue);color:#03101F}
.sd-btn--blue:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(10,132,255,.34)}
.sd-btn--ghost{border-color:rgba(201,212,226,.42);color:var(--sd-mist);background:rgba(11,18,32,.35)}
.sd-btn--ghost:hover{border-color:var(--sd-blue);color:#fff}
.sd-btn--ink{background:var(--sd-ink);color:var(--sd-mist)}
.sd-btn--outline{border-color:rgba(27,34,51,.32);color:var(--sd-text)}
.sd-btn--outline:hover{border-color:var(--sd-blue);color:#0A5FBF}

/* ---------- 标签 ---------- */
.sd-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--sd-pill);
  font-family:var(--sd-font-mono);font-size:12px;letter-spacing:.06em;
  background:var(--sd-frost);color:#0A5FBF;border:1px solid rgba(10,132,255,.25);
}
.sd-chip--orange{background:rgba(255,107,0,.14);color:#C24E00;border-color:rgba(255,107,0,.3)}
.sd-chip--dark{background:rgba(10,132,255,.16);color:#7FC0FF;border-color:rgba(10,132,255,.4)}

/* ---------- 面包屑 ---------- */
.sd-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--sd-font-mono);font-size:12px;letter-spacing:.08em;
  color:rgba(201,212,226,.72);
}
.sd-crumbs a{color:#66B6FF;border-bottom:1px solid transparent;transition:border-color .2s ease}
.sd-crumbs a:hover{border-bottom-color:#66B6FF}
.sd-crumbs__sep{opacity:.5}
.sd-crumbs [aria-current="page"]{color:var(--sd-mist)}
.sd-crumbs--light{color:var(--sd-text-soft)}
.sd-crumbs--light a{color:#0A5FBF}
.sd-crumbs--light a:hover{border-bottom-color:#0A5FBF}
.sd-crumbs--light [aria-current="page"]{color:var(--sd-text)}

/* ---------- 分区底色 ---------- */
.sd-band{position:relative;padding:clamp(48px,7vw,96px) 0}
.sd-band--ink{background:var(--sd-ink);color:var(--sd-mist)}
.sd-band--obsidian{background:var(--sd-obsidian);color:var(--sd-mist)}
.sd-band--teal{background:var(--sd-teal);color:var(--sd-mist)}
.sd-band--violet{background:var(--sd-violet);color:var(--sd-mist)}
.sd-band--mist{background:var(--sd-mist);color:var(--sd-text)}
.sd-band--frost{background:var(--sd-frost);color:var(--sd-text)}
.sd-band--ink .sd-display,.sd-band--obsidian .sd-display,
.sd-band--teal .sd-display,.sd-band--violet .sd-display{color:#fff}
.sd-band--ink .sd-index,.sd-band--obsidian .sd-index,
.sd-band--teal .sd-index,.sd-band--violet .sd-index{color:rgba(201,212,226,.78)}

/* ---------- 网格 ---------- */
.sd-grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.sd-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.sd-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.sd-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.sd-grid--auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

/* ---------- 面板 ---------- */
.sd-panel{
  background:#fff;border:1px solid rgba(201,212,226,.6);
  border-radius:var(--sd-radius-lg);
  padding:clamp(20px,3vw,32px);
}
.sd-panel--dark{
  background:rgba(23,26,53,.86);border-color:rgba(10,132,255,.28);
  color:var(--sd-mist);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}

/* ---------- 图片容器基础规则 ---------- */
.sd-media{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--sd-radius-lg);
  aspect-ratio:16/9;
  background:linear-gradient(140deg,#171A35,#0B1220 58%,#0E3B3A);
}
.sd-media img{width:100%;height:100%;object-fit:cover}
.sd-media--wide{aspect-ratio:21/9}
.sd-media--square{aspect-ratio:1/1}
.sd-media--portrait{aspect-ratio:3/4}
.sd-media--veil::after{
  content:"";position:absolute;inset:auto 0 0 0;height:58%;
  background:linear-gradient(180deg,transparent,rgba(11,18,32,.76));
  pointer-events:none;
}
.sd-media__cap{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:1;
  font-family:var(--sd-font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--sd-mist);text-shadow:0 1px 6px rgba(0,0,0,.6);
}

/* ---------- 分段切换 ---------- */
.sd-tabs{
  display:inline-flex;flex-wrap:wrap;gap:6px;padding:6px;
  border-radius:var(--sd-pill);
  background:rgba(201,212,226,.2);border:1px solid rgba(201,212,226,.4);
}
.sd-tabs__tab{
  appearance:none;border:0;background:transparent;border-radius:var(--sd-pill);
  padding:9px 18px;font-size:14px;font-weight:600;letter-spacing:.04em;
  color:var(--sd-text);cursor:pointer;
  transition:background-color .2s ease,color .2s ease;
}
.sd-tabs__tab[aria-selected="true"]{background:var(--sd-ink);color:var(--sd-mist)}
.sd-tabs--dark{background:rgba(11,18,32,.62);border-color:rgba(10,132,255,.32)}
.sd-tabs--dark .sd-tabs__tab{color:var(--sd-silver)}
.sd-tabs--dark .sd-tabs__tab[aria-selected="true"]{background:var(--sd-blue);color:#03101F}
.sd-tabpanel[hidden]{display:none}

/* ---------- 长文 ---------- */
.sd-prose{max-width:68ch;font-size:17px;line-height:1.75;color:var(--sd-text)}
.sd-prose > * + *{margin-top:1.1em}
.sd-prose h2{
  font-family:var(--sd-font-display);font-weight:800;letter-spacing:.02em;
  font-size:clamp(1.5rem,2.6vw,2rem);margin-top:1.7em;color:var(--sd-ink);
}
.sd-prose h3{font-size:1.15rem;font-weight:700;margin-top:1.4em;color:var(--sd-ink)}
.sd-prose ul{display:flex;flex-direction:column;gap:.6em}
.sd-prose li{position:relative;padding-left:20px}
.sd-prose li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:50%;background:var(--sd-blue);
}
.sd-prose a{color:#0A5FBF;border-bottom:1px solid currentColor}
.sd-prose strong{color:var(--sd-ink)}
.sd-prose--inv{color:rgba(244,247,252,.86)}
.sd-prose--inv h2,.sd-prose--inv h3,.sd-prose--inv strong{color:#fff}
.sd-prose--inv a{color:#7FC0FF}
.sd-prose--inv li::before{background:var(--sd-orange)}

/* ---------- 入场动效 ---------- */
.sd-js [data-reveal]{
  opacity:0;
  transform:translate3d(-16px,20px,0);
  transition:opacity .5s ease,transform .5s cubic-bezier(.22,.7,.3,1);
}
.sd-js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 平板与移动端 ---------- */
@media (max-width:1023px){
  .sd-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sd-grid--3,.sd-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:899px){
  :root{--sd-rail-w:0px;--sd-topbar-h:58px}
  .sd-rail{display:none}
  .sd-topbar__brand{display:inline-flex}
  .sd-status{display:none}
  .sd-nav-toggle{display:inline-flex}
  .sd-device{display:none}
  .sd-account{padding:9px 15px;font-size:12px}

  .sd-nav{
    position:fixed;left:12px;right:12px;bottom:12px;z-index:75;
    padding:14px;border-radius:30px;
    background:rgba(11,18,32,.97);
    border:1px solid rgba(10,132,255,.42);
    box-shadow:0 24px 60px rgba(0,0,0,.5);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    transform:translateY(130%);opacity:0;visibility:hidden;
    transition:transform .28s cubic-bezier(.22,.7,.3,1),opacity .2s ease,visibility .28s;
  }
  .sd-nav[data-open="true"]{transform:translateY(0);opacity:1;visibility:visible}
  .sd-nav__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .sd-nav__link{
    display:block;text-align:center;padding:11px 8px;
    border-radius:var(--sd-pill);
    background:rgba(23,26,53,.92);
    border:1px solid rgba(201,212,226,.16);
    font-size:15px;color:var(--sd-silver);
  }
  .sd-nav__link::after{display:none}
  .sd-nav__link[aria-current="page"]{
    background:linear-gradient(120deg,var(--sd-blue),#35A0FF);
    border-color:transparent;color:#04121F;
  }
}

@media (max-width:640px){
  body{font-size:16px}
  .sd-grid--2,.sd-grid--3,.sd-grid--4{grid-template-columns:minmax(0,1fr)}
  .sd-footer__grid{grid-template-columns:minmax(0,1fr)}
  .sd-footer__meta{max-width:none}
  .sd-footer__contact{font-size:12px;padding:16px}
  .sd-footer__base{font-size:11px}
  .sd-btn{padding:12px 20px;font-size:13px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .sd-js [data-reveal]{opacity:1;transform:none;transition:none}
  .sd-status__dot{animation:none}
  .sd-nav{transition:none}
  .sd-rail__pulse{transition:none}
}