/* ============================================================
   乐竞体育 · 共享站点样式 /assets/site.css
   深空蓝基地 + 荧光绿节奏 + 信号橙脉冲
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#061A2F;
  --panel:#0D2B4A;
  --lime:#B8FF3C;
  --mint:#E6FFC2;
  --signal:#FF6B2C;
  --silver:#C9D7E4;
  --ice:#F5F9FC;
  --cyan:#38D6FF;
  --win:#26D07C;
  --rock:#7C8DA0;
  --coal:#0A1118;

  --wrap:1240px;
  --edge:clamp(18px,5vw,80px);
  --radius-lg:30px;
  --radius-md:16px;
  --radius-sm:10px;

  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --ease:cubic-bezier(.22,.68,0,1);
  --line:rgba(201,215,228,.16);
  --line-strong:rgba(201,215,228,.32);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after{box-sizing:border-box;}

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

body{
  margin:0;
  min-height:100vh;
  background:var(--ink);
  color:var(--ice);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.68;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}

/* ---------- 3. 中文排版基调 ---------- */
h1,h2,h3,h4{
  font-weight:900;
  line-height:1.14;
  letter-spacing:-.015em;
  color:var(--ice);
}
h1{font-size:clamp(34px,5.2vw,66px);font-style:italic;}
h2{font-size:clamp(26px,3.4vw,42px);}
h3{font-size:clamp(19px,2vw,26px);}
h4{font-size:17px;letter-spacing:.01em;}
p{max-width:70ch;}

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

.rotate-note{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.32em;
  color:var(--rock);
  writing-mode:vertical-rl;
  text-orientation:mixed;
}

/* ---------- 4. 焦点与跳转 ---------- */
:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:3px;
  border-radius:6px;
}

.skip-link{
  position:fixed;
  top:0;
  left:clamp(12px,3vw,32px);
  z-index:400;
  padding:11px 20px;
  border-radius:0 0 12px 12px;
  background:var(--lime);
  color:var(--ink);
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  transform:translateY(-150%);
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0);}

/* ---------- 5. 通用容器 ---------- */
.shell{
  width:min(calc(100% - var(--edge)), var(--wrap));
  margin-inline:auto;
}

/* ---------- 6. 头部：品牌层 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:var(--ink);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:linear-gradient(90deg,var(--lime),var(--cyan) 38%,transparent 74%);
  opacity:.72;
  pointer-events:none;
}

.site-header__row{
  width:min(calc(100% - var(--edge)), var(--wrap));
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.5vw,24px);
}
.site-header__upper .site-header__row{
  min-height:72px;
  padding-block:10px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  color:var(--ice);
}
.brand__mark{
  position:relative;
  flex:0 0 auto;
  width:38px;
  height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  overflow:hidden;
  background:linear-gradient(145deg,var(--lime) 0%,var(--win) 100%);
  box-shadow:0 10px 22px -14px rgba(184,255,60,.95);
}
.brand__glyph{
  width:16px;
  height:18px;
  background:var(--ink);
  clip-path:polygon(0 0,100% 22%,100% 100%,0 78%);
  transform:skewX(-10deg);
}
.brand__text{display:grid;gap:2px;line-height:1.1;}
.brand__name{
  display:block;
  font-size:19px;
  font-weight:900;
  letter-spacing:.06em;
  transform:skewX(-4deg);
}
.brand__sub{
  display:block;
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--lime);
}
.brand--footer .brand__name{font-size:20px;}

.version-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:5px 12px 5px 10px;
  border:1px solid rgba(184,255,60,.36);
  border-radius:999px;
  background:rgba(184,255,60,.08);
  color:var(--mint);
  font-family:var(--mono);
  font-size:11px;
  line-height:1.4;
  letter-spacing:.14em;
  white-space:nowrap;
}
.version-badge::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(184,255,60,.16);
  animation:badge-pulse 2.6s var(--ease) infinite;
}
@keyframes badge-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(184,255,60,.16);}
  50%{box-shadow:0 0 0 6px rgba(184,255,60,.04);}
}

.header-claim{
  flex:1 1 auto;
  min-width:0;
  padding-left:clamp(10px,1.6vw,22px);
  border-left:1px solid var(--line-strong);
  font-size:13px;
  letter-spacing:.05em;
  color:var(--silver);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.header-utility{
  display:flex;
  align-items:center;
  gap:clamp(6px,1vw,14px);
  margin-left:auto;
  flex:0 0 auto;
}

.live-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(56,214,255,.3);
  background:rgba(56,214,255,.07);
  color:var(--ice);
  font-size:12.5px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.08em;
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.live-link:hover{background:rgba(56,214,255,.16);border-color:var(--cyan);color:var(--cyan);}
.live-link__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--signal);
  animation:live-pulse 2s var(--ease) infinite;
}
@keyframes live-pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.38;transform:scale(.7);}
}

.account-link{
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--silver);
  transition:color .2s,border-color .2s;
}
.account-link:hover{color:var(--lime);border-bottom-color:var(--lime);}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  font-family:var(--sans);
  font-size:14px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:.05em;
  cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn--lime{
  background:var(--lime);
  color:var(--ink);
  box-shadow:0 14px 30px -20px rgba(184,255,60,.95);
}
.btn--lime:hover{background:var(--mint);box-shadow:0 18px 34px -18px rgba(184,255,60,.8);}
.btn--signal{background:var(--signal);color:var(--coal);}
.btn--signal:hover{background:#ff8759;}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--ice);}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn--sm{padding:9px 15px;font-size:12.5px;border-radius:9px;}
.btn--lg{padding:15px 30px;font-size:15.5px;border-radius:13px;letter-spacing:.06em;}

/* ---------- 8. 移动菜单按钮 ---------- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:8px;
  padding:9px 13px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);
  color:var(--ice);
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  transition:border-color .2s,color .2s,background .2s;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}
.nav-toggle[aria-expanded="true"]{
  border-color:var(--lime);
  background:rgba(184,255,60,.1);
  color:var(--lime);
}
.nav-toggle__bars{display:grid;gap:3px;width:16px;}
.nav-toggle__bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .26s var(--ease),opacity .2s;
}
.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);}

/* ---------- 9. 头部：栏目层 ---------- */
.site-header__lower{
  background:var(--panel);
  border-top:1px solid rgba(201,215,228,.1);
}
.site-header__row--nav{
  align-items:stretch;
  gap:0;
}
.primary-nav{
  flex:1 1 auto;
  min-width:0;
}
.primary-nav__list{
  display:flex;
  align-items:stretch;
  gap:clamp(0px,.6vw,8px);
}
.primary-nav__list > li{display:flex;}
.primary-nav__list a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:13px clamp(9px,1.2vw,17px);
  border-bottom:3px solid transparent;
  color:var(--silver);
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  transition:color .2s,background .2s,border-color .2s;
}
.primary-nav__list a:hover{color:var(--ice);background:rgba(56,214,255,.08);}
.primary-nav__list a[aria-current="page"]{
  color:var(--lime);
  border-bottom-color:var(--lime);
  background:linear-gradient(180deg,rgba(184,255,60,.13),rgba(184,255,60,0));
}
.nav-num{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.06em;
  color:var(--rock);
  transition:color .2s;
}
.primary-nav__list a:hover .nav-num{color:var(--cyan);}
.primary-nav__list a[aria-current="page"] .nav-num{color:var(--lime);}

.nav-scale{
  flex:0 0 auto;
  align-self:center;
  width:110px;
  height:14px;
  margin-left:auto;
  opacity:.5;
  background-image:repeating-linear-gradient(90deg,rgba(201,215,228,.55) 0 1px,transparent 1px 11px);
}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:linear-gradient(180deg,var(--ink) 0%,#04121F 100%);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-160px;
  right:-120px;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(56,214,255,.16),transparent 64%);
  pointer-events:none;
}
.site-footer::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:3px;
  background:linear-gradient(90deg,var(--lime),var(--cyan) 46%,var(--signal));
  pointer-events:none;
}

.site-footer__grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(230px,1.6fr) minmax(110px,.7fr) minmax(110px,.7fr) minmax(220px,1.15fr);
  gap:clamp(26px,3.4vw,56px);
  padding-block:clamp(38px,5.5vw,70px);
}

.site-footer__summary{
  max-width:34ch;
  margin-top:16px;
  font-size:14px;
  line-height:1.78;
  color:var(--silver);
}
.site-footer__tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:18px;
}
.site-footer__tags li{
  padding:4px 10px;
  border-radius:999px;
  border:1px solid rgba(184,255,60,.28);
  background:rgba(184,255,60,.07);
  color:var(--mint);
  font-family:var(--mono);
  font-size:11px;
  line-height:1.7;
  letter-spacing:.1em;
}

.footer-col__title{
  margin-bottom:16px;
  font-family:var(--mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--lime);
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  display:inline-block;
  font-size:14.5px;
  letter-spacing:.02em;
  color:var(--silver);
  transition:color .2s,transform .2s var(--ease);
}
.footer-col a:hover{color:var(--lime);transform:translateX(4px);}

.footer-contact__list{display:grid;gap:14px;}
.footer-contact__item dt{
  margin-bottom:3px;
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--rock);
}
.footer-contact__item dd{
  font-size:14px;
  line-height:1.6;
  color:var(--ice);
  word-break:break-word;
}
.footer-contact__note{
  margin-top:16px;
  padding-left:12px;
  border-left:2px solid rgba(255,107,44,.6);
  font-size:12.5px;
  line-height:1.7;
  color:var(--rock);
  max-width:30ch;
}

.site-footer__bottom{
  position:relative;
  z-index:1;
  border-top:1px solid var(--line);
  padding-block:20px;
}
.site-footer__bottom .shell{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 26px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--rock);
}
.site-footer__legal{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  margin-left:auto;
}
.site-footer__legal a{color:var(--silver);transition:color .2s;}
.site-footer__legal a:hover{color:var(--lime);}

/* ---------- 11. 正文基础组件 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--lime);
}

.section-head{display:grid;gap:14px;max-width:62ch;}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--rock);
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";opacity:.7;color:var(--rock);}
.breadcrumb a{color:var(--silver);transition:color .2s;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb [aria-current="page"]{color:var(--lime);}

.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:clamp(18px,2.4vw,32px);
}

.stat{display:grid;gap:4px;}
.stat__value{
  font-family:var(--mono);
  font-size:clamp(34px,4.6vw,58px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--lime);
}
.stat__label{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--rock);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  background:var(--mint);
  color:var(--coal);
  font-family:var(--mono);
  font-size:11px;
  line-height:1.7;
  letter-spacing:.12em;
}
.tag--line{
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--silver);
}
.tag--signal{
  background:rgba(255,107,44,.14);
  border:1px solid rgba(255,107,44,.5);
  color:var(--signal);
}

.grid{display:grid;gap:clamp(16px,2.4vw,32px);}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));}

/* ---------- 12. 图片容器基础规则 ---------- */
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:
    radial-gradient(circle at 72% 18%,rgba(56,214,255,.22),transparent 62%),
    linear-gradient(135deg,var(--panel),var(--ink) 72%);
}
.media img,
.media picture,
.media video{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--3x2{aspect-ratio:3/2;}
.media--1x1{aspect-ratio:1/1;}
.media--3x4{aspect-ratio:3/4;}
.media--wide{border-radius:var(--radius-lg);}
.media--slant{border-radius:0 clamp(30px,6vw,64px) 0 clamp(30px,6vw,64px);}
.media--empty::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(184,255,60,.09) 0 2px,transparent 2px 16px);
  pointer-events:none;
}

/* ---------- 13. 动效与进度 ---------- */
.scroll-meter{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:3px;
  z-index:300;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime) 0%,var(--cyan) 58%,var(--signal) 100%);
  pointer-events:none;
}

[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
}
[data-reveal].is-in{
  opacity:1;
  transform:none;
}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1180px){
  .nav-scale{display:none;}
  .header-claim{font-size:12.5px;}
}

@media (max-width:980px){
  .site-header__upper .site-header__row{min-height:64px;}
  .header-claim{display:none;}
  .nav-toggle{display:inline-flex;}

  .primary-nav{display:none;}
  .primary-nav[data-open="true"]{
    display:block;
    width:100%;
    background:var(--panel);
    border-top:1px solid rgba(201,215,228,.12);
    box-shadow:0 28px 46px -34px #000;
  }
  .site-header__row--nav{width:100%;}
  .primary-nav__list{
    flex-direction:column;
    gap:0;
    padding:6px clamp(18px,5vw,34px) 16px;
  }
  .primary-nav__list a{
    padding:14px 2px;
    border-bottom:1px solid rgba(201,215,228,.1);
    border-left:3px solid transparent;
    font-size:15px;
    transition:padding-left .2s var(--ease),color .2s,background .2s;
  }
  .primary-nav__list a:hover{padding-left:12px;}
  .primary-nav__list a[aria-current="page"]{
    padding-left:12px;
    border-bottom-color:rgba(201,215,228,.1);
    border-left-color:var(--lime);
    background:linear-gradient(90deg,rgba(184,255,60,.15),transparent 72%);
  }

  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .site-footer__brand{grid-column:1 / -1;}
}

@media (max-width:720px){
  .version-badge{display:none;}
  .account-link{display:none;}
  .site-footer__bottom .shell{flex-direction:column;align-items:flex-start;}
  .site-footer__legal{margin-left:0;}
}

@media (max-width:560px){
  .header-utility{gap:6px;}
  .live-link{padding:7px 9px;font-size:11.5px;letter-spacing:.04em;}
  .btn--sm{padding:8px 11px;font-size:12px;}
  .nav-toggle{padding:8px 10px;margin-left:4px;}
  .nav-toggle__text{display:none;}
  .brand__mark{width:34px;height:34px;border-radius:10px;}
  .brand__name{font-size:17px;}
  .brand__sub{font-size:9.5px;letter-spacing:.24em;}
  .site-footer__grid{grid-template-columns:1fr;}
  .site-footer__brand{grid-column:auto;}
}

/* ---------- 15. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .btn:hover{transform:none;}
  .footer-col a:hover{transform:none;}
  .primary-nav__list a:hover{padding-left:2px;}
  [data-reveal]{opacity:1 !important;transform:none !important;}
  .scroll-meter{transition:none;}
}