/* ============================================================
   bet5体育 · 共享样式 /assets/site.css
   深夜战术室 + 球场看台：深墨绿基底、荧光柠檬绿刻度、电光蓝数据
   ============================================================ */

:root{
  --bg-deep:#0A2A22;
  --charcoal:#101413;
  --pine:#143A2F;
  --lime:#C9FF4A;
  --blue:#46D8FF;
  --orange:#FF8A3C;
  --mist:#F1F5EE;
  --slate:#8CA39A;
  --navy:#0E2B3A;

  --line:rgba(140,163,154,.26);
  --line-strong:rgba(140,163,154,.5);
  --line-blue:rgba(70,216,255,.24);

  --r-xl:34px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;

  --shell:1200px;

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Inter Tight","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shadow-lime:0 12px 34px rgba(201,255,74,.18);
  --shadow-deep:0 26px 60px rgba(0,0,0,.45);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--mist);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  background:
    radial-gradient(920px 540px at 78% -10%, rgba(70,216,255,.10), transparent 62%),
    radial-gradient(760px 480px at 6% 2%, rgba(201,255,74,.075), transparent 60%),
    radial-gradient(680px 420px at 50% 108%, rgba(255,138,60,.06), transparent 65%),
    var(--bg-deep);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5,h6,p,figure,dl,dd,dt,blockquote{margin:0}
h1,h2{font-family:var(--font-display);font-weight:600;line-height:1.25;letter-spacing:.005em}
h3,h4{font-family:var(--font-sans);font-weight:700;line-height:1.4}
table{border-collapse:collapse;width:100%}
::selection{background:var(--lime);color:var(--bg-deep)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
#main-content{scroll-margin-top:120px}

/* ---------- 布局基元 ---------- */
.container{width:min(calc(100% - 40px), var(--shell));margin-inline:auto}
.section{padding:72px 0}
.section--tight{padding:44px 0}

.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:16px;top:-72px;z-index:120;
  padding:11px 20px;
  background:var(--lime);color:var(--bg-deep);
  font:700 14px/1 var(--font-sans);letter-spacing:.06em;
  border-radius:0 0 14px 14px;
  transition:top .2s ease;
}
.skip-link:focus{top:0}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  isolation:isolate;
}
.header-top{
  background:var(--charcoal);
  border-bottom:1px solid var(--line);
  max-height:140px;
  overflow:hidden;
  transition:max-height .32s ease,opacity .26s ease,visibility .26s ease,border-color .26s ease;
}
.site-header.is-condensed .header-top{
  max-height:0;opacity:0;visibility:hidden;border-bottom-color:transparent;
}
.header-top__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px 30px;flex-wrap:wrap;
  padding:14px 0;
}

.brand{display:inline-flex;align-items:center;gap:11px;flex-wrap:wrap;color:var(--mist)}
.brand__mark{
  width:16px;height:16px;flex:none;
  background:var(--lime);
  border-radius:5px 0 5px 0;
  box-shadow:0 0 20px rgba(201,255,74,.55);
}
.brand__name{font:800 17px/1 var(--font-sans);letter-spacing:.08em;text-transform:uppercase}
.brand__tag{
  font:600 11.5px/1 var(--font-mono);letter-spacing:.12em;
  color:var(--slate);padding-left:11px;border-left:1px solid var(--line);
}
.brand--footer .brand__name{font-size:18px}

.league-switch{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.league-switch__label{
  font:700 10.5px/1 var(--font-mono);letter-spacing:.18em;
  text-transform:uppercase;color:var(--slate);
}
.league-switch__tabs{display:flex;gap:6px}
.league-tab{
  appearance:none;cursor:pointer;
  border:1px solid var(--line);background:transparent;color:var(--slate);
  border-radius:999px;padding:6px 13px;
  font:700 12px/1 var(--font-mono);letter-spacing:.09em;
  transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.league-tab:hover{color:var(--mist);border-color:var(--line-strong)}
.league-tab[aria-pressed="true"]{
  background:var(--lime);border-color:var(--lime);color:var(--bg-deep);
  box-shadow:0 0 0 4px rgba(201,255,74,.12);
}
.league-switch__note{
  font:700 11.5px/1 var(--font-mono);letter-spacing:.06em;color:var(--blue);
}

.header-nav{
  position:relative;
  background:rgba(10,42,34,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.header-nav__inner{
  display:flex;align-items:center;gap:16px;
  min-height:64px;
}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime),var(--blue) 55%,var(--orange));
  will-change:transform;
}

.main-nav{flex:1 1 auto;min-width:0}
.main-nav__list{
  display:flex;align-items:center;gap:2px;
  counter-reset:nv;
}
.main-nav__list > li{position:relative;counter-increment:nv}
.main-nav__list > li.main-nav__cta-item{counter-increment:none;margin-left:auto;padding-left:14px}
.main-nav a{
  display:inline-flex;align-items:center;gap:8px;
  padding:21px 13px;
  font:600 14px/1 var(--font-sans);letter-spacing:.06em;
  color:var(--mist);position:relative;
  transition:color .22s ease;
}
.main-nav__list > li:not(.main-nav__cta-item) a::before{
  content:counter(nv,decimal-leading-zero);
  font:700 10.5px/1 var(--font-mono);letter-spacing:.04em;
  color:var(--slate);transition:color .22s ease;
}
.main-nav a:hover{color:var(--lime)}
.main-nav a:hover::before{color:var(--blue)}
.main-nav a[aria-current="page"]{color:var(--lime)}
.main-nav a[aria-current="page"]::after{
  content:"";position:absolute;left:13px;right:13px;bottom:13px;height:2px;
  background:var(--lime);
  box-shadow:0 0 12px rgba(201,255,74,.7);
}
.main-nav__cta{padding:11px 19px !important}
.main-nav__cta::before{content:none !important}

.nav-toggle{
  display:none;
  align-items:center;gap:10px;
  margin-left:auto;
  padding:10px 16px;
  background:transparent;border:1px solid var(--line);color:var(--mist);
  border-radius:999px;cursor:pointer;
  font:700 12px/1 var(--font-sans);letter-spacing:.1em;
  transition:border-color .22s ease,color .22s ease;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle__bars{
  position:relative;display:block;width:16px;height:2px;flex:none;
  background:currentColor;transition:background .22s ease;
}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
  transition:transform .22s ease,top .22s ease;
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 21px;
  border:1px solid transparent;border-radius:999px;
  font:700 14px/1 var(--font-sans);letter-spacing:.06em;
  cursor:pointer;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn--primary{background:var(--lime);color:var(--bg-deep);box-shadow:var(--shadow-lime)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(201,255,74,.3)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--mist)}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn--quiet{background:var(--pine);color:var(--mist)}
.btn--quiet:hover{background:#1A4A3C}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:0 0 26px;
  font:700 11.5px/1.5 var(--font-mono);letter-spacing:.08em;color:var(--slate);
}
.breadcrumb a{color:var(--slate);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.breadcrumb a:hover{color:var(--blue);border-color:var(--line-blue)}
.breadcrumb li:not(:first-child)::before{content:"/";margin-right:8px;color:var(--line-strong)}

/* ---------- 正文容器 ---------- */
.prose{max-width:68ch;font-size:16.5px;line-height:1.8;color:#DCE7DE}
.prose > * + *{margin-top:1.1em}
.prose p{margin:0}
.prose h2{font-size:clamp(24px,3vw,32px);margin-top:1.9em;color:var(--mist)}
.prose h3{font-size:19px;margin-top:1.6em;color:var(--mist)}
.prose a{
  color:var(--blue);
  text-decoration:underline;
  text-decoration-color:rgba(70,216,255,.42);
  text-underline-offset:3px;
}
.prose a:hover{text-decoration-color:var(--blue)}
.prose strong{color:var(--lime);font-weight:700}
.prose ul,.prose ol{padding-left:1.3em}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose li + li{margin-top:.4em}
.prose blockquote{
  border-left:2px solid var(--lime);
  padding:6px 0 6px 20px;
  font-family:var(--font-display);font-size:19px;color:var(--mist);
}
.prose code{
  font-family:var(--font-mono);font-size:.92em;
  color:var(--blue);background:rgba(70,216,255,.1);
  padding:2px 6px;border-radius:6px;
}

/* ---------- 章节头 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font:700 11px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px 32px;margin-bottom:34px;
}
.section-title{font-size:clamp(26px,3.6vw,38px);margin-top:12px;color:var(--mist)}
.section-lead{max-width:54ch;color:var(--slate);font-size:15.5px}

/* ---------- 卡片 ---------- */
.card{
  position:relative;overflow:hidden;
  padding:26px;
  background:var(--pine);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  transition:border-color .22s ease,transform .22s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.card__label{
  display:block;
  font:700 10.5px/1 var(--font-mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--slate);
}
.card__title{font-family:var(--font-display);font-weight:600;font-size:21px;line-height:1.45;margin:12px 0 10px;color:var(--mist)}

.data-card{
  padding:18px 20px;
  background:var(--navy);
  border:1px solid var(--line-blue);
  border-radius:var(--r-md);
}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 11px;border-radius:999px;
  font:700 10.5px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;
  background:rgba(140,163,154,.14);color:var(--slate);border:1px solid var(--line);
}
.tag--lime{background:rgba(201,255,74,.13);color:var(--lime);border-color:rgba(201,255,74,.3)}
.tag--blue{background:rgba(70,216,255,.13);color:var(--blue);border-color:var(--line-blue)}
.tag--orange{background:rgba(255,138,60,.14);color:var(--orange);border-color:rgba(255,138,60,.32)}

/* ---------- 等宽数字 ---------- */
.num{
  font-family:var(--font-mono);font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;line-height:1;
  color:var(--mist);
}
.num--xl{font-size:clamp(64px,11vw,140px)}
.num--lg{font-size:clamp(38px,6vw,72px)}
.num--sm{font-size:18px}
.num--lime{color:var(--lime)}
.num--blue{color:var(--blue)}
.num--orange{color:var(--orange)}

/* ---------- 图片占位容器 ---------- */
.media-frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  background:linear-gradient(150deg,var(--navy),var(--pine));
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--band{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 46%,rgba(10,42,34,.74));
}
.media-frame__caption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font:700 11.5px/1.5 var(--font-mono);letter-spacing:.08em;color:var(--mist);
}

/* ---------- 标签页 ---------- */
.tablist{
  display:flex;flex-wrap:wrap;gap:6px;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.tab{
  appearance:none;cursor:pointer;
  padding:9px 15px;border-radius:999px;
  border:1px solid var(--line);background:transparent;color:var(--slate);
  font:700 12.5px/1 var(--font-sans);letter-spacing:.08em;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.tab:hover{color:var(--mist);border-color:var(--line-strong)}
.tab[aria-selected="true"]{background:var(--lime);border-color:var(--lime);color:var(--bg-deep)}
.tabpanel{padding-top:26px}
.tabpanel[hidden]{display:none}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:26px;border-left:1px solid var(--line)}
.timeline__item{position:relative;padding-bottom:30px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:"";position:absolute;left:-31px;top:7px;
  width:9px;height:9px;border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 4px rgba(255,138,60,.16);
}

/* ---------- 显现动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:96px;
  background:var(--charcoal);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"BET5";
  position:absolute;right:-24px;bottom:-56px;
  font:800 190px/1 var(--font-mono);letter-spacing:-.05em;
  color:rgba(201,255,74,.045);
  pointer-events:none;user-select:none;
}
.site-footer__rule{
  height:3px;
  background:linear-gradient(90deg,var(--lime),var(--blue) 48%,var(--orange) 100%);
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:1.5fr .9fr 1fr 1.25fr;
  gap:42px;
  padding:58px 0 42px;
}
.footer-col__title{
  font:700 10.5px/1 var(--font-mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--slate);margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{
  display:inline-block;
  color:var(--mist);font:600 14px/1.5 var(--font-sans);
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.footer-col a:hover{color:var(--lime);border-color:var(--lime)}
.footer-brand__line{
  font-family:var(--font-display);font-size:19px;line-height:1.6;
  color:var(--mist);max-width:22ch;margin:20px 0 14px;
}
.footer-brand__meta{
  font:600 12px/1.8 var(--font-mono);letter-spacing:.04em;color:var(--slate);
}
.contact-list{display:grid;gap:6px}
.contact-list dt{
  font:700 10.5px/1.6 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate);margin-top:10px;
}
.contact-list dt:first-child{margin-top:0}
.contact-list dd{
  font:600 13.5px/1.65 var(--font-sans);color:var(--mist);word-break:break-word;
}
.footer-bottom{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 26px;
  padding:22px 0 34px;
  border-top:1px solid var(--line);
  font:500 12.5px/1.7 var(--font-sans);color:var(--slate);
}
.footer-bottom__links{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom__links a{color:var(--slate);transition:color .2s ease}
.footer-bottom__links a:hover{color:var(--blue)}

/* ---------- 平板 ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .main-nav a{padding:20px 10px;font-size:13.5px}
}

@media (max-width:940px){
  .section{padding:56px 0}
  .section--tight{padding:36px 0}

  .nav-toggle{display:inline-flex}
  .header-nav__inner{min-height:60px}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;
    max-height:calc(100vh - 90px);overflow-y:auto;
    padding:12px 20px 24px;
    background:#0C1F1A;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-deep);
  }
  .main-nav[data-open]{display:block}
  .main-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .main-nav a{
    justify-content:flex-start;
    padding:15px 4px;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .main-nav a[aria-current="page"]::after{left:4px;right:auto;bottom:6px;width:28px}
  .main-nav__cta-item{margin:16px 0 0;padding-left:0}
  .main-nav__cta{
    width:100%;
    margin:0;
    border-bottom:0 !important;
    padding:13px 20px !important;
  }
  .main-nav__cta::after{content:none !important}

  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
  .span-3,.span-4{grid-column:span 3}
  .span-5,.span-6,.span-7,.span-8,.span-12{grid-column:span 6}
}

/* ---------- 手机 ---------- */
@media (max-width:600px){
  body{font-size:15.5px}
  .container{width:calc(100% - 32px)}
  .header-top__inner{padding:13px 0;gap:12px}
  .league-switch{width:100%;gap:10px}
  .league-switch__label{display:none}
  .league-switch__tabs{
    width:100%;
    overflow-x:auto;
    padding-bottom:4px;
    scrollbar-width:none;
  }
  .league-switch__tabs::-webkit-scrollbar{display:none}
  .league-tab{flex:none;padding:7px 15px}
  .league-switch__note{font-size:11px}
  .brand__tag{display:none}

  .grid-12{grid-template-columns:1fr}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:span 1}

  .card{padding:22px;border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:44px 0 34px}
  .site-footer::before{font-size:120px;bottom:-34px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-title{font-size:clamp(23px,7vw,30px)}
}

/* ---------- 减少动效 ---------- */
@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}
  .scroll-progress{transition:none}
}