:root{
  --oy-deep:#071F19;
  --oy-base:#0B3B2E;
  --oy-panel:#0F4A3A;
  --oy-grid:#14624C;
  --oy-lime:#C6FF3D;
  --oy-lime-dim:#8FD41E;
  --oy-orange:#FF7A3D;
  --oy-ink:#EAF7F1;
  --oy-ink-2:#A8C6BA;
  --oy-ink-3:#6E8C82;
  --oy-wrap:1280px;
  --oy-gap:24px;
  --oy-radius-cut:12px;
  --oy-font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --oy-font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --oy-line:1px solid var(--oy-grid);
  --oy-ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--oy-deep);
  background-image:
    linear-gradient(to right,rgba(20,98,76,.34) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(20,98,76,.34) 1px,transparent 1px);
  background-size:96px 96px;
  color:var(--oy-ink);
  font-family:var(--oy-font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.2em;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{font-weight:900;line-height:1.18;margin:0 0 .5em;letter-spacing:-.01em;}
h1{font-size:clamp(34px,5.4vw,56px);}
h2{font-size:clamp(28px,3.4vw,44px);}
h3{font-size:clamp(19px,2vw,22px);}
strong{font-weight:900;color:var(--oy-ink);}
::selection{background:var(--oy-lime);color:#07231B;}
:focus-visible{outline:2px solid var(--oy-lime);outline-offset:3px;border-radius:2px;}

/* ---------- layout ---------- */
.oy-wrap{width:100%;max-width:var(--oy-wrap);margin-inline:auto;padding-inline:24px;}
.oy-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:var(--oy-gap);
  position:relative;
}
.oy-grid__line{
  border-left:var(--oy-line);
  grid-column:span 1;
}
.oy-split{
  display:grid;
  grid-template-columns:minmax(240px,1fr) minmax(0,2.6fr);
  gap:clamp(20px,3vw,44px);
  align-items:start;
}
.oy-section{padding-block:clamp(44px,6vw,84px);position:relative;}
.oy-section__head{margin-bottom:28px;}
.oy-section__index{
  display:flex;align-items:center;gap:14px;
  border-bottom:var(--oy-line);
  padding-bottom:10px;margin-bottom:18px;
}
.oy-section__index::after{content:"";flex:1;height:1px;background:var(--oy-grid);}
.oy-lede{font-size:17px;color:var(--oy-ink-2);max-width:62ch;}
.oy-hr{border:0;border-top:var(--oy-line);margin:0;}

/* ---------- header ---------- */
.oy-header{
  position:sticky;top:0;z-index:60;
  background:var(--oy-base);
  border-bottom:var(--oy-line);
}
.oy-skip{
  position:absolute;left:12px;top:-60px;
  z-index:90;padding:10px 16px;
  background:var(--oy-lime);color:#07231B;
  font-weight:900;border-radius:0 0 8px 8px;
  transition:top .18s var(--oy-ease);
}
.oy-skip:focus{top:0;}
.oy-cmdbar__inner{
  display:flex;align-items:center;gap:clamp(14px,2.4vw,34px);
  min-height:70px;padding-block:10px;
}
.oy-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.oy-logo__mark{
  width:26px;height:26px;flex:0 0 auto;
  background:
    linear-gradient(135deg,var(--oy-lime) 0 48%,transparent 48% 100%),
    linear-gradient(315deg,var(--oy-lime-dim) 0 48%,transparent 48% 100%);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.oy-logo__text{display:flex;flex-direction:column;line-height:1.15;}
.oy-logo__name{font-size:17px;font-weight:900;letter-spacing:.01em;}
.oy-logo__ver{
  display:flex;align-items:center;gap:6px;
  font-family:var(--oy-font-mono);font-size:12px;font-weight:500;
  color:var(--oy-lime);letter-spacing:.06em;
}
.oy-logo__verlabel{color:var(--oy-ink-3);letter-spacing:0;font-family:var(--oy-font-sans);font-size:11px;}
.oy-statusdot{
  width:7px;height:7px;border-radius:50%;
  background:var(--oy-lime);box-shadow:0 0 0 3px rgba(198,255,61,.16);
  animation:oy-pulse 2.4s var(--oy-ease) infinite;
}
@keyframes oy-pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

.oy-nav{flex:1 1 auto;min-width:0;}
.oy-nav__list{display:flex;align-items:center;gap:clamp(4px,1vw,16px);flex-wrap:wrap;}
.oy-nav__item{position:relative;}
.oy-nav__link{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 8px;font-size:14.5px;font-weight:700;
  color:var(--oy-ink-2);
  border-bottom:2px solid transparent;
  transition:color .2s var(--oy-ease),border-color .2s var(--oy-ease);
}
.oy-nav__idx{
  font-family:var(--oy-font-mono);font-size:11px;font-weight:500;
  color:var(--oy-ink-3);letter-spacing:.04em;
}
.oy-nav__link:hover{color:var(--oy-ink);border-bottom-color:var(--oy-lime-dim);}
.oy-nav__link[aria-current="page"]{color:var(--oy-lime);border-bottom-color:var(--oy-lime);}
.oy-nav__link[aria-current="page"] .oy-nav__idx{color:var(--oy-lime-dim);}
.oy-nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:8px;bottom:-2px;
  width:5px;height:5px;background:var(--oy-lime);
}
.oy-cmdbar__cta{flex:0 0 auto;}

.oy-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:900;
  border:1px solid transparent;border-radius:0;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:background-color .2s var(--oy-ease),color .2s var(--oy-ease),border-color .2s var(--oy-ease),transform .2s var(--oy-ease);
}
.oy-btn--lime{background:var(--oy-lime);color:#07231B;}
.oy-btn--lime:hover{background:var(--oy-lime-dim);transform:translateY(-1px);}
.oy-btn--ghost{background:transparent;color:var(--oy-lime);border-color:var(--oy-lime-dim);}
.oy-btn--ghost:hover{background:rgba(143,212,30,.14);}
.oy-btn--sm{padding:9px 16px;font-size:13.5px;}

.oy-nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 12px;border:1px solid var(--oy-grid);
  background:var(--oy-panel);font-size:13px;font-weight:700;
}
.oy-nav-toggle__bars,.oy-nav-toggle__bars::before,.oy-nav-toggle__bars::after{
  display:block;width:16px;height:2px;background:var(--oy-lime);
}
.oy-nav-toggle__bars{position:relative;}
.oy-nav-toggle__bars::before,.oy-nav-toggle__bars::after{content:"";position:absolute;left:0;}
.oy-nav-toggle__bars::before{top:-5px;}
.oy-nav-toggle__bars::after{top:5px;}

.oy-statusbar{
  background:linear-gradient(90deg,rgba(15,74,58,.9),rgba(11,59,46,.9));
  border-top:var(--oy-line);
}
.oy-statusbar__inner{
  display:flex;align-items:center;gap:14px;
  min-height:38px;padding-block:6px;position:relative;
}
.oy-statusbar__track{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:rgba(20,98,76,.7);
}
.oy-statusbar__progress{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--oy-lime-dim),var(--oy-lime));
  transition:width .12s linear;
}
.oy-statusbar__meta{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-left:auto;
}
.oy-statusbar__sep{color:var(--oy-ink-3);font-family:var(--oy-font-mono);}
.oy-label{
  font-family:var(--oy-font-mono);font-size:12px;font-weight:500;
  letter-spacing:.08em;color:var(--oy-ink-3);text-transform:uppercase;
}
.oy-panel-toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 10px;border:1px solid var(--oy-grid);
  font-family:var(--oy-font-mono);font-size:12px;font-weight:500;
  color:var(--oy-ink-2);letter-spacing:.04em;
}
.oy-panel-toggle:hover{border-color:var(--oy-lime-dim);color:var(--oy-ink);}
.oy-panel-toggle__mark{
  width:10px;height:10px;flex:0 0 auto;
  background:var(--oy-lime);
  clip-path:polygon(0 0,100% 0,100% 100%,0 100%);
}
.oy-panel-toggle[aria-expanded="false"] .oy-panel-toggle__mark{
  background:var(--oy-ink-3);
  clip-path:polygon(0 0,100% 50%,0 100%);
}
.oy-panel-toggle[aria-expanded="false"] .oy-panel-toggle__text::after{
  content:"";display:inline-block;width:14px;height:2px;
  margin-left:8px;background:var(--oy-lime);vertical-align:middle;
}

/* ---------- core components ---------- */
.oy-label--inline{display:inline-block;margin-right:10px;}
.oy-cut{
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
}
.oy-cut--panel{
  background:var(--oy-panel);
  border:var(--oy-line);
  padding:clamp(18px,2.2vw,28px);
}
.oy-hatch{position:relative;}
.oy-hatch::before{
  content:"";position:absolute;top:0;right:0;width:56px;height:56px;
  background:repeating-linear-gradient(45deg,transparent 0 5px,rgba(198,255,61,.28) 5px 6px);
  pointer-events:none;
}
.oy-num{
  display:block;
  font-family:var(--oy-font-mono);font-weight:700;
  font-size:clamp(22px,4.2vw,40px);
  letter-spacing:.02em;line-height:1.05;
  color:var(--oy-lime);
  font-variant-numeric:tabular-nums;
}
.oy-num--xl{font-size:clamp(44px,8vw,96px);}
.oy-num--live{color:var(--oy-orange);}
.oy-card{
  background:var(--oy-panel);
  border:var(--oy-line);
  padding:20px;
  display:flex;flex-direction:column;gap:12px;
}
.oy-card__title{font-size:19px;font-weight:900;margin:0;}
.oy-card__meta{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-family:var(--oy-font-mono);font-size:12px;color:var(--oy-ink-3);letter-spacing:.05em;
}
.oy-card__body{margin:0;color:var(--oy-ink-2);font-size:15.5px;line-height:1.8;}
.oy-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--oy-orange);
}
.oy-drop{border:var(--oy-line);background:var(--oy-panel);}
.oy-drop__btn{
  display:flex;align-items:center;gap:12px;width:100%;
  padding:15px 18px;text-align:left;font-size:16px;font-weight:900;
}
.oy-drop__btn::after{
  content:"";width:10px;height:10px;margin-left:auto;flex:0 0 auto;
  border-right:2px solid var(--oy-lime);border-bottom:2px solid var(--oy-lime);
  transform:rotate(45deg);transition:transform .22s var(--oy-ease);
}
.oy-drop__btn[aria-expanded="true"]::after{transform:rotate(-135deg);}
.oy-drop__btn[aria-expanded="true"] .oy-label{color:var(--oy-lime);}
.oy-drop__btn[aria-expanded="true"]::before{
  content:"";position:absolute;right:18px;top:50%;width:0;height:0;
}
.oy-drop__btn{position:relative;}
.oy-drop__btn[aria-expanded="true"] .oy-drop__flag{
  content:"";display:inline-block;width:14px;height:2px;background:var(--oy-lime);
}
.oy-drop__body{padding:0 18px 20px;border-top:var(--oy-line);}
.oy-drop__body[hidden]{display:none;}
.oy-breadcrumb{padding-block:16px;font-size:13px;color:var(--oy-ink-3);}
.oy-breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.oy-breadcrumb li+li::before{
  content:"/";margin-right:8px;color:var(--oy-grid);font-family:var(--oy-font-mono);
}
.oy-breadcrumb a:hover{color:var(--oy-lime);}
.oy-breadcrumb [aria-current="page"]{color:var(--oy-ink-2);}
.oy-body-copy{max-width:74ch;}
.oy-body-copy h2{margin-top:1.4em;}
.oy-body-copy ul{margin:0 0 1.2em;padding-left:0;}
.oy-body-copy ul li{position:relative;padding-left:22px;margin-bottom:.55em;color:var(--oy-ink-2);}
.oy-body-copy ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:9px;height:2px;background:var(--oy-lime);
}
.oy-media{
  position:relative;overflow:hidden;
  background:
    repeating-linear-gradient(45deg,transparent 0 8px,rgba(198,255,61,.07) 8px 9px),
    linear-gradient(160deg,var(--oy-panel),var(--oy-base));
  border:var(--oy-line);
}
.oy-media img{width:100%;height:100%;object-fit:cover;}
.oy-media--16x9{aspect-ratio:16/9;}
.oy-media--4x3{aspect-ratio:4/3;}
.oy-media--wide{aspect-ratio:21/9;}
.oy-league-panel{
  background:var(--oy-panel);border:var(--oy-line);
  padding:16px;position:sticky;top:132px;
}
.oy-league-panel[data-collapsed="true"]{display:none;}
.oy-league-panel__title{
  display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:900;margin-bottom:12px;
  border-bottom:var(--oy-line);padding-bottom:10px;
}
.oy-league-panel__list li+li{border-top:var(--oy-line);}
.oy-league-panel__list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 4px;font-size:15px;color:var(--oy-ink-2);
}
.oy-league-panel__list a:hover{color:var(--oy-lime);}
.oy-league-panel__list a[aria-current="page"]{color:var(--oy-lime);font-weight:900;}

.oy-reveal{opacity:.2;transform:translateY(16px);transition:opacity .5s var(--oy-ease),transform .5s var(--oy-ease);}
.oy-reveal[data-shown="true"]{opacity:1;transform:none;}
.oy-reveal--stagger{transition-delay:var(--oy-delay,0ms);}

/* ---------- footer ---------- */
.oy-footer{
  margin-top:clamp(40px,6vw,80px);
  background:var(--oy-base);
  border-top:var(--oy-line);
  padding-block:clamp(36px,5vw,64px) 28px;
}
.oy-footer__line{display:flex;align-items:center;gap:14px;margin-bottom:34px;}
.oy-footer__rule{flex:1;height:1px;background:var(--oy-grid);}
.oy-footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:clamp(20px,3vw,40px);
  padding-bottom:34px;
  border-bottom:var(--oy-line);
}
.oy-footer__brand{font-size:21px;font-weight:900;margin:0 0 6px;}
.oy-footer__slogan{color:var(--oy-lime);font-size:15px;font-weight:700;margin:0 0 14px;}
.oy-footer__note{color:var(--oy-ink-3);font-size:13.5px;line-height:1.75;max-width:34ch;}
.oy-footer__title{
  font-size:14px;font-weight:900;letter-spacing:.02em;
  margin:0 0 14px;color:var(--oy-ink);
}
.oy-footer__list li{margin-bottom:9px;font-size:14.5px;color:var(--oy-ink-2);line-height:1.65;}
.oy-footer__list a:hover{color:var(--oy-lime);}
.oy-footer__list--plain li{color:var(--oy-ink-3);font-size:13.5px;}
.oy-footer__list--plain a{color:var(--oy-ink-2);}
.oy-footer__legal{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding-block:20px;
}
.oy-footer__fixed{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  margin:0;font-size:13px;color:var(--oy-ink-3);
  font-family:var(--oy-font-mono);letter-spacing:.02em;
}
.oy-footer__links{display:flex;flex-wrap:wrap;gap:16px;margin:0;font-size:13.5px;color:var(--oy-ink-2);}
.oy-footer__links a{border-bottom:1px solid var(--oy-grid);padding-bottom:2px;}
.oy-footer__links a:hover{color:var(--oy-lime);border-bottom-color:var(--oy-lime);}
.oy-footer__closing{
  margin:0;font-family:var(--oy-font-mono);font-size:12.5px;
  letter-spacing:.14em;color:var(--oy-ink-3);
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .oy-split{grid-template-columns:minmax(210px,1fr) minmax(0,2.2fr);}
  .oy-nav__link{font-size:13.5px;padding:9px 6px;}
  .oy-footer__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .oy-nav{display:none;}
  .oy-nav-toggle{display:inline-flex;}
  .oy-cmdbar__inner{min-height:62px;}
  .oy-cmdbar__cta{margin-left:auto;}
  .oy-header[data-open="true"] .oy-nav{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:var(--oy-base);border-bottom:var(--oy-line);
    padding:10px 24px 22px;
  }
  .oy-header[data-open="true"] .oy-nav__list{flex-direction:column;align-items:stretch;gap:0;}
  .oy-header[data-open="true"] .oy-nav__item{border-bottom:var(--oy-line);}
  .oy-header[data-open="true"] .oy-nav__link{padding:14px 2px;font-size:15.5px;}
  .oy-header[data-open="true"] .oy-nav__link[aria-current="page"]::after{left:auto;right:0;bottom:16px;}
  .oy-statusbar__meta .oy-label:nth-of-type(2){display:none;}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.9;}
  .oy-wrap{padding-inline:18px;}
  .oy-split{grid-template-columns:1fr;}
  .oy-league-panel{position:static;top:auto;}
  .oy-grid{grid-template-columns:repeat(6,minmax(0,1fr));}
  .oy-grid__line:nth-child(n+7){display:none;}
  .oy-footer__grid{grid-template-columns:1fr;gap:26px;}
  .oy-footer__legal{flex-direction:column;align-items:flex-start;}
  .oy-logo__verlabel{display:none;}
}
@media (max-width:520px){
  .oy-logo__name{font-size:15.5px;}
  .oy-btn{padding:11px 16px;font-size:13.5px;}
  .oy-cmdbar__cta .oy-btn{display:none;}
  .oy-statusbar__meta{margin-left:0;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  .oy-reveal{opacity:1;transform:none;}
  .oy-statusbar__progress{transition:none;}
}