/* ============================================================
   开云体育新版 · 共享站点样式 /assets/site.css
   夜间赛场控制台：夜墨绿底 + 电光青数据 + 赛道橙状态 + 荧光黄焦点
   ============================================================ */

:root{
  --ink:#06130F;
  --ink-deep:#04100C;
  --panel:#0C221A;
  --raise:#14362B;
  --cyan:#22E6C7;
  --orange:#FF6A2A;
  --yellow:#DFFF4F;
  --ice:#F2FFF9;
  --mute:#93B3A8;
  --line:#1D4B40;

  --font-display:'Barlow Condensed','Oswald','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','Roboto Mono','SFMono-Regular',ui-monospace,monospace;

  --edge:3px;
  --gutter:clamp(16px,4vw,44px);
  --shell:1240px;
  --dur:180ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-hard:6px 6px 0 0 rgba(0,0,0,.55);
  --shadow-soft:0 18px 40px -26px rgba(0,0,0,.95);
}

/* ---------- Reset & 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}

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

body{
  margin:0;
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 380px at 10% -8%, rgba(34,230,199,.10), transparent 70%),
    radial-gradient(720px 320px at 98% 3%, rgba(255,106,42,.08), transparent 72%),
    repeating-linear-gradient(90deg, rgba(29,75,64,.22) 0 1px, transparent 1px 88px);
  background-repeat:no-repeat,no-repeat,repeat;
  color:var(--ice);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img,svg{max-width:100%}
img{display:block;height:auto}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.04;
  letter-spacing:-.012em;
  color:var(--ice);
}

h1{font-size:clamp(2.3rem,5vw,4.2rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:clamp(1.2rem,1.8vw,1.55rem)}

a{color:var(--cyan);text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--yellow)}

button{font:inherit;color:inherit}
p{margin:0}
figure{margin:0}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:3px solid var(--yellow);
  outline-offset:3px;
  border-radius:2px;
}

::selection{background:var(--cyan);color:var(--ink)}

#main-content{scroll-margin-top:112px}

/* ---------- 工具类 ---------- */
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

.container{
  width:min(var(--shell), calc(100% - var(--gutter) * 2));
  margin-inline:auto;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;
  top:-80px;left:12px;
  z-index:300;
  padding:10px 16px;
  background:var(--yellow);
  color:var(--ink);
  font-weight:700;
  font-size:14px;
  border:var(--edge) solid var(--ink);
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:12px;color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  padding:10px 18px;
  border:2px solid var(--ice);
  background:transparent;
  color:var(--ice);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.05em;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),
             color var(--dur) var(--ease),border-color var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.btn:hover{transform:translate(-2px,-2px)}

.btn-primary{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--ink);
  box-shadow:4px 4px 0 0 #0A2E26;
}
.btn-primary:hover{
  background:var(--yellow);
  border-color:var(--yellow);
  color:var(--ink);
  box-shadow:6px 6px 0 0 #0A2E26;
}

.btn-ghost{
  border-color:var(--line);
  color:var(--ice);
}
.btn-ghost:hover{
  border-color:var(--cyan);
  color:var(--cyan);
  box-shadow:4px 4px 0 0 rgba(34,230,199,.18);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--ink);
}

/* 顶部状态条 */
.header-ticker{
  background:var(--ink-deep);
  border-bottom:1px solid var(--line);
  color:var(--mute);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.ticker-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:6px 26px;
  min-height:32px;
  padding-block:5px;
}
.ticker-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:0;
  white-space:nowrap;
  color:var(--cyan);
}
.ticker-item--mute{color:#5F7E74}
.ticker-item--time{color:var(--mute)}

.ticker-dot{
  display:inline-block;
  width:7px;height:7px;
  background:var(--cyan);
  animation:ticker-pulse 2.6s ease-in-out infinite;
}
@keyframes ticker-pulse{
  0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(34,230,199,.45)}
  50%{opacity:.5;box-shadow:0 0 0 5px rgba(34,230,199,0)}
}

/* 命令栏 */
.header-bar{
  position:relative;
  background:var(--panel);
  border-bottom:var(--edge) solid var(--line);
  box-shadow:var(--shadow-soft);
}
.header-inner{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:center;
  gap:clamp(14px,2vw,34px);
  min-height:68px;
  padding-block:9px;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:4px 0;
  color:var(--ice);
  text-decoration:none;
}
.brand:hover{color:var(--ice)}
.brand-mark{
  display:grid;
  place-items:center;
  width:42px;height:42px;
  flex:0 0 auto;
  border:2px solid var(--cyan);
  background:linear-gradient(135deg, rgba(34,230,199,.18), transparent 70%);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  box-shadow:3px 3px 0 0 #0A2E26;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.brand:hover .brand-mark{background:var(--cyan);color:var(--ink)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-line{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:800;
  letter-spacing:.03em;
  color:var(--ice);
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mute);
}

/* 汉堡按钮 */
.nav-toggle{
  display:none;
  justify-self:end;
  align-items:center;
  gap:10px;
  padding:9px 12px;
  background:var(--raise);
  border:2px solid var(--line);
  color:var(--ice);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle-box{display:grid;gap:4px;width:17px}
.nav-toggle-bar{
  display:block;
  height:2px;
  background:var(--cyan);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle-text{line-height:1}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 主导航 */
.primary-nav{
  justify-self:end;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:clamp(10px,1.6vw,20px);
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.nav-item{margin:0}
.nav-link{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:8px 9px;
  border:2px solid transparent;
  color:var(--ice);
  font-size:13.5px;
  font-weight:500;
  white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-index{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.08em;
  color:var(--mute);
  transition:color var(--dur) var(--ease);
}
.nav-link:hover{
  background:var(--raise);
  border-color:var(--line);
  color:var(--cyan);
}
.nav-link:hover .nav-index{color:var(--cyan)}

.nav-link[aria-current="page"]{
  background:var(--yellow);
  border-color:var(--yellow);
  color:var(--ink);
  box-shadow:3px 3px 0 0 #0A2E26;
  font-weight:700;
}
.nav-link[aria-current="page"] .nav-index{color:rgba(6,19,15,.62)}

.header-tools{
  display:flex;
  align-items:center;
  gap:14px;
  padding-left:clamp(10px,1.4vw,18px);
  border-left:2px solid var(--line);
}
.utility-link{
  color:var(--mute);
  font-size:13px;
  padding:6px 2px;
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.utility-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.header-tools .btn{font-size:12.5px;padding:8px 14px;letter-spacing:.04em}

/* 滚动进度 */
.scroll-progress{
  position:absolute;
  left:0;
  bottom:calc(var(--edge) * -1);
  width:100%;
  height:3px;
  background:rgba(29,75,64,.6);
  pointer-events:none;
  z-index:6;
}
.scroll-progress-bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--yellow));
  transition:width 90ms linear;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:var(--ink-deep);
  border-top:var(--edge) solid var(--line);
  color:var(--ice);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:6px;
  background:linear-gradient(90deg,
    var(--cyan) 0 20%,
    var(--orange) 20% 33%,
    var(--yellow) 33% 37%,
    transparent 37%);
}
.footer-inner{padding-top:clamp(38px,5vw,68px)}

.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1.45fr) minmax(0,1fr);
  gap:clamp(24px,3.4vw,54px);
  align-items:start;
}

.footer-eyebrow{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
  margin:0 0 10px;
}
.footer-title{
  font-family:var(--font-display);
  font-size:clamp(1.45rem,2.6vw,2.05rem);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.1;
  color:var(--ice);
  margin:0;
}
.footer-note{
  margin-top:12px;
  max-width:26em;
  font-size:13.5px;
  line-height:1.75;
  color:var(--mute);
}
.footer-actions{margin-top:20px}

.footer-nav{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(18px,2.4vw,34px);
}
.footer-col{min-width:0}
.footer-heading{
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
  margin:0 0 12px;
  padding-bottom:8px;
  border-bottom:2px solid var(--line);
}
.footer-list{
  margin:0;
  padding:0;
  list-style:none;
}
.footer-list li + li{margin-top:2px}
.footer-link{
  display:inline-block;
  padding:4px 0;
  font-size:13.5px;
  color:var(--ice);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.footer-link:hover{color:var(--cyan);padding-left:5px}

.contact-list{
  margin:0;
  padding:0;
  list-style:none;
}
.contact-row{
  display:grid;
  grid-template-columns:46px minmax(0,1fr);
  gap:10px;
  padding:7px 0;
  border-bottom:1px solid rgba(29,75,64,.72);
  font-size:13px;
}
.contact-row:last-child{border-bottom:0}
.contact-label{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mute);
  padding-top:3px;
}
.contact-value{
  color:var(--ice);
  line-height:1.55;
  word-break:break-word;
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  margin-top:clamp(30px,4vw,52px);
  padding-block:20px 24px;
  border-top:1px solid var(--line);
}
.legal-links{
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  margin:0;
  padding:0;
  list-style:none;
}
.legal-link{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mute);
  padding:4px 0;
  border-bottom:2px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.legal-link:hover{color:var(--yellow);border-bottom-color:var(--yellow)}
.footer-meta{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--mute);
}

/* 回顶 */
.to-top{
  position:fixed;
  right:clamp(12px,2vw,26px);
  bottom:clamp(12px,2vw,26px);
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:10px 14px;
  background:var(--panel);
  border:2px solid var(--cyan);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),
             visibility var(--dur) var(--ease),background var(--dur) var(--ease),
             color var(--dur) var(--ease);
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--cyan);color:var(--ink)}

/* ============================================================
   通用内容组件
   ============================================================ */
.panel{
  position:relative;
  background:var(--panel);
  border:var(--edge) solid var(--line);
  box-shadow:var(--shadow-hard);
  padding:clamp(18px,2.4vw,32px);
}
.panel--raise{background:var(--raise)}

.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--mute);
}
.eyebrow::before{
  content:"";
  width:26px;height:3px;
  flex:0 0 auto;
  background:var(--orange);
}

.section-index{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 10px;
  border:2px solid var(--line);
  background:var(--panel);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
}

.rule{
  height:var(--edge);
  border:0;
  margin:0;
  background:var(--line);
}
.rule--accent{background:linear-gradient(90deg,var(--cyan),var(--line) 42%,transparent)}

.grid{display:grid;gap:clamp(14px,2vw,26px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}

.grid--12 > .span-4{grid-column:span 4}
.grid--12 > .span-6{grid-column:span 6}
.grid--12 > .span-7{grid-column:span 7}
.grid--12 > .span-8{grid-column:span 8}
.grid--12 > .span-12{grid-column:span 12}

.prose{
  max-width:38em;
  color:#D9EFE7;
  font-size:15.5px;
  line-height:1.82;
}
.prose p + p{margin-top:.9em}
.prose ul,.prose ol{
  margin:.9em 0;
  padding-left:1.3em;
  list-style:disc;
}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.35em}
.prose strong{color:var(--ice)}
.prose a{border-bottom:2px solid rgba(34,230,199,.4)}
.prose a:hover{border-bottom-color:var(--yellow)}

/* 图片容器 */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:
    linear-gradient(135deg, rgba(34,230,199,.14), transparent 65%),
    var(--raise);
  border:var(--edge) solid var(--line);
  box-shadow:var(--shadow-hard);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.05);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(0deg, rgba(6,19,15,.26) 0 1px, transparent 1px 4px);
  pointer-events:none;
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:10px 14px;
  background:linear-gradient(180deg, transparent, rgba(4,16,12,.92));
  color:var(--ice);
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  z-index:2;
}

/* 面包屑 */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mute);
}
.breadcrumbs a{color:var(--mute)}
.breadcrumbs a:hover{color:var(--cyan)}
.crumb-sep{color:var(--line)}

/* 标签 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  border:2px solid var(--line);
  background:rgba(34,230,199,.06);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  line-height:1.4;
}
.tag--orange{border-color:var(--orange);color:var(--orange);background:rgba(255,106,42,.1)}
.tag--yellow{border-color:var(--yellow);color:var(--yellow);background:rgba(223,255,79,.1)}
.tag--solid{background:var(--cyan);border-color:var(--cyan);color:var(--ink);font-weight:700}

/* 显现 */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity 320ms var(--ease),transform 320ms var(--ease);
}
html.js [data-reveal][data-revealed]{
  opacity:1;
  transform:none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1180px){
  .nav-link{padding:8px 7px;font-size:13px}
  .header-tools{gap:10px}
  .utility-link{font-size:12.5px}
}

@media (max-width:1024px){
  .header-inner{
    grid-template-columns:1fr auto;
    min-height:62px;
  }
  .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;
    background:var(--panel);
    border-top:2px solid var(--line);
    border-bottom:var(--edge) solid var(--line);
    padding:8px var(--gutter) 20px;
    max-height:min(78vh, 660px);
    overflow-y:auto;
    box-shadow:0 24px 44px -28px rgba(0,0,0,1);
  }
  .primary-nav[data-open]{display:flex}

  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-link{
    width:100%;
    justify-content:flex-start;
    padding:13px 10px;
    font-size:15px;
    border-bottom:1px solid var(--line);
  }
  .nav-link[aria-current="page"]{box-shadow:none}

  .header-tools{
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    margin-top:14px;
    padding:14px 0 0;
    border-left:0;
    border-top:2px solid var(--line);
  }
  .utility-link{padding:10px 2px;border-bottom:1px solid var(--line);font-size:14px}
  .header-tools .btn{justify-content:center;padding:12px 18px;font-size:14px}

  .footer-top{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .footer-brand{grid-column:1 / -1}
  .footer-contact{grid-column:1 / -1}
}

@media (max-width:900px){
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .grid--12 > .span-4,
  .grid--12 > .span-6,
  .grid--12 > .span-7,
  .grid--12 > .span-8{grid-column:span 6}
  .grid--split{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:720px){
  .ticker-inner{justify-content:flex-start;gap:4px 18px}
  .ticker-item--mute{display:none}
  .brand-mark{width:38px;height:38px;font-size:12px}
  .brand-line{font-size:16.5px}
  .brand-sub{font-size:8.5px;letter-spacing:.12em}

  .grid--12{grid-template-columns:minmax(0,1fr)}
  .grid--12 > *{grid-column:auto !important}

  .footer-top{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:12px}
  .contact-row{grid-template-columns:52px minmax(0,1fr);font-size:13px}

  .to-top{padding:9px 12px;font-size:10px}
}

@media (max-width:420px){
  .footer-nav{grid-template-columns:minmax(0,1fr)}
  .media-frame{clip-path:none}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{opacity:1;transform:none}
  .ticker-dot{animation:none}
  .btn:hover{transform:none}
}