/* ============================================================
   必一体育入口 · 共享样式 /assets/site.css
   夜场档案：深墨绿底 · 荧光青柠数据高亮 · 橙红比分
   ============================================================ */

:root{
  --ink:#0A1A13;
  --char:#14161A;
  --panel:#10261C;
  --rule:#22332B;
  --lime:#C8F42E;
  --lime-soft:#E6FF9B;
  --score:#FF5A2E;
  --amber:#FFB020;
  --text:#E9EFEA;
  --muted:#93A79C;
  --ink-text:#08120C;

  --font-display:"Barlow Condensed","Oswald","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --wrap:1240px;
  --gutter:clamp(1.25rem,4vw,3rem);
  --axis:88px;

  --r-xs:10px;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:30px;
  --pill:999px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background-color:var(--ink);
  background-image:
    radial-gradient(1200px 620px at 10% -12%, rgba(200,244,46,.07), transparent 62%),
    radial-gradient(900px 520px at 100% 0%, rgba(255,90,46,.05), transparent 66%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
p{margin:0}
::selection{background:var(--lime);color:var(--ink-text)}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

/* ---------- 中文排版与通用文字 ---------- */
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.06;
  letter-spacing:.02em;
  text-wrap:balance;
}
h1{font-size:clamp(2.75rem,6vw,5.5rem)}
h2{font-size:clamp(1.5rem,2.4vw,2.25rem)}
h3{font-size:clamp(1.1rem,1.6vw,1.35rem);line-height:1.25}
h4{font-size:1rem;line-height:1.3}
strong{font-weight:700}

.label{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:.01em;
}
.stat{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  color:var(--lime);
}
.score{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  color:var(--score);
  letter-spacing:.02em;
}
.tick{
  display:inline-block;
  width:26px;
  height:2px;
  background:linear-gradient(90deg,var(--lime),rgba(200,244,46,0));
  border-radius:2px;
}

/* ---------- 容器与工具 ---------- */
.wrap{
  width:min(calc(100% - var(--gutter) * 2), var(--wrap));
  margin-inline:auto;
}
.section{padding-block:clamp(2.5rem,6vw,5rem)}
.section--tight{padding-block:clamp(1.5rem,3vw,2.5rem)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:.75rem 1.25rem;
  margin-bottom:clamp(1.25rem,3vw,2rem);
}
.section-head h2{margin:0}
.rule{height:1px;border:0;margin:0;background:var(--rule)}
.grid{display:grid;gap:clamp(1rem,2vw,1.6rem)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.layout-split{
  display:grid;
  grid-template-columns:var(--axis) minmax(0,1fr);
  gap:clamp(1.25rem,3vw,2.5rem);
  align-items:start;
}
.panel{
  background:var(--panel);
  border:1px solid var(--rule);
  border-radius:var(--r-lg);
  padding:clamp(1.1rem,2.4vw,1.9rem);
}
#main-content{display:block;outline:none;scroll-margin-top:130px}

/* ---------- 正文 ---------- */
.prose{max-width:70ch;font-size:1.0625rem;line-height:1.8}
.prose p{margin:0 0 1.15em}
.prose h2,.prose h3{margin:1.8em 0 .6em}
.prose a{color:var(--lime);border-bottom:1px solid rgba(200,244,46,.35)}
.prose a:hover{color:var(--lime-soft)}
.prose ul{display:grid;gap:.5rem;margin:0 0 1.15em}
.prose ul li{position:relative;padding-left:1.15rem}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--lime);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{margin:0 0 1.25rem}
.breadcrumb ol{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);
}
.breadcrumb li{display:flex;align-items:center;gap:.5rem}
.breadcrumb li + li::before{content:"/";color:var(--rule)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb [aria-current="page"]{color:var(--text)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45em;
  padding:.62em 1.15em;
  border:1px solid var(--rule);
  border-radius:var(--pill);
  background:transparent;
  color:var(--text);
  font-family:var(--font-body);
  font-size:.92rem;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{border-color:var(--lime);color:var(--lime-soft);transform:translateY(-1px)}
.btn--lime{background:var(--lime);border-color:var(--lime);color:var(--ink-text)}
.btn--lime:hover{background:var(--lime-soft);border-color:var(--lime-soft);color:var(--ink-text)}
.btn--ghost{background:rgba(200,244,46,.06);color:var(--muted)}
.btn--ghost:hover{color:var(--lime-soft)}
.btn--sm{padding:.45em .9em;font-size:.82rem}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:.4em;
  padding:.25em .7em;
  border:1px solid var(--rule);
  border-radius:var(--pill);
  background:rgba(16,38,28,.7);
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);line-height:1.6;
}
.tag--lime{border-color:rgba(200,244,46,.45);background:rgba(200,244,46,.08);color:var(--lime)}
.tag--score{border-color:rgba(255,90,46,.45);background:rgba(255,90,46,.08);color:var(--score)}
.tag--amber{border-color:rgba(255,176,32,.45);background:rgba(255,176,32,.08);color:var(--amber)}

/* ---------- 图片容器（供页面阶段放置图片） ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--rule);
  border-radius:var(--r-md);
  background:linear-gradient(135deg,var(--panel) 0%,var(--char) 72%);
}
.media-frame--16x9{aspect-ratio:16 / 9}
.media-frame--4x3{aspect-ratio:4 / 3}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame > img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.8) contrast(1.06) brightness(.94);
  transition:transform .5s cubic-bezier(.22,.7,.24,1);
}
.media-frame:hover > img{transform:scale(1.03)}
.media-frame--grain::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(233,239,234,.1) 1px,transparent 1px);
  background-size:3px 3px;opacity:.5;
}
.media-badge{
  position:absolute;right:.6rem;bottom:.6rem;z-index:2;
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.2rem .62rem;
  border:1px solid var(--rule);border-radius:var(--pill);
  background:rgba(10,26,19,.86);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;
  color:var(--lime-soft);
}

/* ---------- 赛季轴 ---------- */
.axis{
  position:relative;
  display:grid;gap:1.15rem;align-content:start;
  padding-block:.5rem;
}
.axis::before{
  content:"";position:absolute;left:11px;top:.6rem;bottom:.6rem;
  width:1px;background:var(--rule);
}
.axis__link{
  position:relative;
  display:grid;grid-template-columns:23px minmax(0,1fr);align-items:center;gap:.6rem;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted);
  transition:color .25s ease;
}
.axis__link::before{
  content:"";width:9px;height:9px;margin-left:7px;border-radius:50%;
  background:var(--ink);border:1px solid var(--rule);
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.axis__link:hover{color:var(--lime-soft)}
.axis__link:hover::before{border-color:var(--lime)}
.axis__link.is-active{color:var(--lime-soft)}
.axis__link.is-active::before{
  background:var(--lime);border-color:var(--lime);
  box-shadow:0 0 0 4px rgba(200,244,46,.18);
}

/* ============================================================
   头部
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,26,19,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--rule);
}
.skip-link{
  position:absolute;left:50%;top:-120px;transform:translateX(-50%);
  z-index:90;
  padding:.55rem 1.15rem;
  border-radius:0 0 var(--pill) var(--pill);
  background:var(--lime);color:var(--ink-text);
  font-size:.85rem;font-weight:600;
  transition:top .2s ease;
}
.skip-link:focus{top:0}
.masthead-rule{
  height:7px;
  background-image:repeating-linear-gradient(90deg,var(--rule) 0 1px,transparent 1px 13px);
  border-bottom:1px solid var(--rule);
}
.masthead__wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:1rem;
  padding-block:.85rem;
}
.masthead__meta{
  display:flex;align-items:center;gap:.6rem;
  justify-self:start;
  margin:0;
}
.masthead__actions{
  display:flex;align-items:center;gap:.5rem;
  justify-self:end;
}
.masthead__axis{white-space:nowrap}

.brand{
  display:inline-flex;align-items:center;gap:.7rem;
  justify-self:center;
  color:var(--text);
}
.brand__mark{
  display:grid;place-items:center;
  flex:0 0 auto;
  width:2.6rem;height:2.6rem;
  border-radius:var(--r-sm);
  background:var(--lime);color:var(--ink-text);
  font-family:var(--font-display);font-weight:800;font-size:1.05rem;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(230,255,155,.45),0 10px 26px -14px rgba(200,244,46,.85);
}
.brand__text{display:flex;flex-direction:column;line-height:1.12}
.brand__name{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(1.25rem,2.2vw,1.6rem);letter-spacing:.06em;
}
.brand__tagline{
  font-family:var(--font-mono);
  font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);
}

.nav-toggle{
  display:none;align-items:center;gap:.5rem;
  padding:.45em .85em;
  border:1px solid var(--rule);border-radius:var(--pill);
  background:rgba(16,38,28,.8);color:var(--text);
  font-size:.82rem;font-weight:600;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime-soft)}
.nav-toggle__bars{display:grid;gap:3px;width:16px}
.nav-toggle__bars i{
  display:block;height:2px;border-radius:2px;background:var(--lime);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.nav-toggle__label{white-space:nowrap}

.site-nav{
  background:linear-gradient(180deg,rgba(16,38,28,.85),rgba(16,38,28,.4));
  border-top:1px solid var(--rule);
}
.site-nav__list{
  display:flex;flex-wrap:wrap;justify-content:center;
  gap:.2rem;
  padding:.45rem 0;
}
.site-nav__list a{
  display:inline-block;
  padding:.5rem .95rem;
  border-radius:var(--pill);
  color:var(--muted);
  font-size:.95rem;font-weight:500;
  transition:color .2s ease,background-color .2s ease;
}
.site-nav__list a:hover{color:var(--lime-soft);background:rgba(200,244,46,.08)}
.site-nav__list a[aria-current="page"]{
  background:var(--lime);color:var(--ink-text);font-weight:700;
}
.site-nav__list a[aria-current="page"]:hover{background:var(--lime-soft)}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;
  height:2px;overflow:hidden;pointer-events:none;
}
.scroll-progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--lime),var(--lime-soft));
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(3.5rem,9vw,7rem);
  background:var(--char);
  border-top:1px solid var(--rule);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--lime),rgba(200,244,46,0) 58%);
}
.footer__inner{padding:clamp(2.25rem,5vw,3.5rem) 0 1.5rem}
.footer__grid{
  display:grid;
  grid-template-columns:minmax(230px,1.15fr) minmax(0,2.4fr);
  gap:clamp(1.75rem,4vw,3.5rem);
}
.footer__brand .brand{justify-self:start}
.footer__operator{
  margin-top:1rem;
  max-width:34ch;
  font-size:.85rem;line-height:1.7;color:var(--muted);
}
.footer__nav{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1.5rem;
}
.footer__title{
  margin:0 0 .85rem;
  padding-bottom:.5rem;
  border-bottom:1px solid var(--rule);
  font-family:var(--font-mono);font-size:.7rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--lime);
}
.footer__group ul{display:grid;gap:.5rem}
.footer__group a{
  font-size:.9rem;color:var(--muted);
  transition:color .18s ease;
}
.footer__group a:hover{color:var(--lime-soft)}
.footer__meta{
  display:grid;gap:.4rem;
  margin-top:clamp(2rem,4vw,2.75rem);
  padding:1.1rem 1.25rem;
  border-left:2px solid var(--lime);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:rgba(16,38,28,.6);
}
.footer__meta p{font-size:.86rem;color:var(--muted)}
.footer__contact{
  font-family:var(--font-mono);font-size:.82rem;color:var(--text);
  letter-spacing:.02em;
}
.footer__service{line-height:1.7}
.footer__base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:.5rem 1.5rem;
  margin-top:1.75rem;padding-top:1.1rem;
  border-top:1px solid var(--rule);
  font-size:.78rem;color:var(--muted);
}
.footer__legal{font-family:var(--font-mono);letter-spacing:.06em}
.footer__copy{letter-spacing:.02em}

/* ============================================================
   显现动效
   ============================================================ */
.js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s ease,transform .55s cubic-bezier(.22,.7,.24,1);
  transition-delay:var(--delay,0ms);
}
.js [data-reveal].is-in{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  :root{--axis:72px}
  .footer__grid{grid-template-columns:minmax(200px,1fr) minmax(0,2.2fr)}
  .footer__nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem}
}

@media (max-width:900px){
  .masthead__wrap{display:flex;align-items:center;justify-content:space-between;gap:.6rem}
  .masthead__meta{display:none}
  .masthead__axis{display:none}
  .brand{justify-self:auto;gap:.55rem}
  .masthead__actions{gap:.4rem}
  .nav-toggle{display:inline-flex}

  [data-nav] .site-nav__list{
    display:none;
    flex-direction:column;align-items:stretch;
    gap:.2rem;
    padding:.7rem 0 1rem;
  }
  [data-nav][data-open] .site-nav__list{display:flex}
  .site-nav__list a{
    display:block;
    padding:.7rem .9rem;
    border:1px solid transparent;
    border-radius:var(--r-sm);
    background:rgba(10,26,19,.55);
    text-align:left;font-size:1rem;
  }

  .layout-split{grid-template-columns:minmax(0,1fr)}
  .axis{
    position:static;
    display:flex;gap:1.5rem;
    overflow-x:auto;
    padding:.4rem .1rem .9rem;
    scrollbar-width:thin;
  }
  .axis::before{display:none}
  .axis__link{flex:0 0 auto;grid-template-columns:auto auto;white-space:nowrap}

  .footer__grid{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:560px){
  body{font-size:16px}
  .brand__mark{width:2.15rem;height:2.15rem;border-radius:12px;font-size:.9rem}
  .brand__name{font-size:1.15rem}
  .brand__tagline{display:none}
  .btn--sm{padding:.4em .72em;font-size:.78rem}
  .nav-toggle{padding:.4em .7em;font-size:.78rem}
  .footer__nav{grid-template-columns:minmax(0,1fr)}
  .footer__base{flex-direction:column;align-items:flex-start}
  .panel{border-radius:var(--r-md)}
}

/* ============================================================
   可访问性与动效降级
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none;transition:none}
  .media-frame:hover > img{transform:none}
  .btn:hover{transform:none}
  .skip-link{transition:none}
}