/* =========================================================
   MANBETX主站 · 共享外壳样式 /assets/site.css
   深夜战术室 × 电子记分牌
   ========================================================= */

:root{
  --ink:#07090B;
  --night:#0E1723;
  --panel:#161D24;
  --line:#2A343D;
  --line-soft:rgba(42,52,61,.62);
  --dim:#5D6873;
  --text:#E8EDF2;
  --muted:#8D99A6;
  --volt:#C8FF3D;
  --red:#FF4D4D;
  --yellow:#FFD84D;
  --cyan:#45E0FF;

  --font-display:"Oswald","Archivo Narrow","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shell:min(1280px,100% - 40px);
  --gap:28px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:132px;
}

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.02em;
}

p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
strong{font-weight:700}

:focus-visible{outline:2px solid var(--volt);outline-offset:3px}

/* ---------- 通用工具 ---------- */

.shell{width:var(--shell);margin-inline:auto}

.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:var(--gap);
}

.mono-label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--volt);
  white-space:nowrap;
}

.dot{
  display:inline-block;
  width:7px;height:7px;
  background:var(--volt);
  animation:pulse 2.4s var(--ease) infinite;
}

@keyframes pulse{
  0%,100%{opacity:1}
  50%{opacity:.3}
}

/* ---------- 跳过链接 ---------- */

.skip-link{
  position:absolute;
  left:16px;top:-120px;
  z-index:200;
  padding:11px 20px;
  background:var(--volt);
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.1em;
  transition:top .18s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{top:12px}

/* =========================================================
   HEADER
   ========================================================= */

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ink);
  border-bottom:1px solid var(--line);
}

.scroll-meter{
  position:absolute;
  left:0;bottom:-1px;
  width:100%;height:2px;
  background:var(--volt);
  transform:scaleX(0);
  transform-origin:0 50%;
  pointer-events:none;
  z-index:3;
}

/* 上层：品牌说明 + 合规信息 */
.topbar{
  background:var(--night);
  border-bottom:1px solid var(--line);
}

.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:38px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--muted);
}

.topbar__note{
  display:flex;
  align-items:center;
  gap:10px;
}

.topbar__list{
  display:flex;
  align-items:center;
  gap:26px;
  flex-wrap:wrap;
}
.topbar__list li{display:flex;align-items:center;gap:8px}

/* 下层：品牌 + 主栏目 */
.masthead{border-bottom:0}

.masthead__inner{
  display:flex;
  align-items:center;
  gap:32px;
  min-height:76px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}

.brand__mark{
  display:grid;
  place-items:center;
  width:42px;height:42px;
  background:var(--volt);
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
}

.brand__text{
  display:flex;
  flex-direction:column;
  line-height:1.22;
}

.brand__name{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
}

.brand__sub{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}

/* 导航 */
.site-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:20px;
}

.site-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
}

.site-nav__link{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:11px 14px;
  border-bottom:2px solid transparent;
  color:var(--muted);
  font-size:15px;
  white-space:nowrap;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}

.site-nav__idx{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.1em;
  color:var(--dim);
}

.site-nav__link:hover{
  color:var(--text);
  border-bottom-color:var(--line);
}

.site-nav__link[aria-current="page"]{
  color:var(--volt);
  border-bottom-color:var(--volt);
  background:rgba(200,255,61,.07);
}
.site-nav__link[aria-current="page"] .site-nav__idx{color:var(--volt)}

.nav-cta{
  display:inline-flex;
  align-items:center;
  padding:11px 20px;
  background:var(--volt);
  color:var(--ink);
  font-family:var(--font-display);
  font-size:14.5px;
  font-weight:700;
  letter-spacing:.04em;
  white-space:nowrap;
  transition:box-shadow .18s var(--ease),transform .18s var(--ease);
}
.nav-cta:hover{
  transform:translateY(-1px);
  box-shadow:0 0 0 3px rgba(200,255,61,.2);
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:10px 14px;
  border:1px solid var(--line);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{color:var(--volt);border-color:var(--volt)}

.nav-toggle__icon{
  display:flex;
  flex-direction:column;
  gap:4px;
}

.nav-toggle__bar{
  display:block;
  width:16px;height:1.5px;
  background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}

.nav-toggle[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[data-open] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[data-open] .nav-toggle__bar:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* =========================================================
   FOOTER
   ========================================================= */

.site-footer{
  margin-top:96px;
  background:var(--night);
  border-top:1px solid var(--line);
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.4fr 1fr;
  gap:40px;
  padding:64px 0 52px;
}

.footer-brand__note{
  margin-top:18px;
  max-width:34ch;
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
}

.footer-col__title{
  margin-bottom:20px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--volt);
}

.footer-col ul{display:grid;gap:11px}

.footer-col a{
  color:var(--muted);
  font-size:14.5px;
  transition:color .18s var(--ease);
}
.footer-col a:hover{color:var(--volt)}

.footer-contact li{
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:10px;
  align-items:baseline;
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
}

.footer-base{border-top:1px solid var(--line)}

.footer-base__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  min-height:66px;
}

.footer-base__legal{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
}

.to-top{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border:1px solid var(--line);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  opacity:.55;
  transition:color .18s var(--ease),border-color .18s var(--ease),opacity .18s var(--ease);
}
.to-top[data-visible]{opacity:1}
.to-top:hover{color:var(--volt);border-color:var(--volt);opacity:1}

/* =========================================================
   通用布局与组件
   ========================================================= */

.section{
  padding:88px 0;
  border-bottom:1px solid var(--line-soft);
}
.section--flush{border-bottom:0}

.section-head{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:28px;
  align-items:end;
  margin-bottom:44px;
}

.section-head__idx{
  font-family:var(--font-mono);
  font-size:clamp(40px,5vw,60px);
  font-weight:700;
  line-height:.85;
  letter-spacing:-.05em;
  color:var(--volt);
}

.section-head__title{font-size:clamp(26px,3.2vw,40px)}

.section-head__desc{
  margin-top:14px;
  max-width:62ch;
  color:var(--muted);
  font-size:15.5px;
}

.panel{
  background:var(--panel);
  border:1px solid var(--line);
  padding:26px;
}
.panel--volt{border-left:3px solid var(--volt)}

.stat{display:flex;flex-direction:column;gap:8px}

.stat__num{
  font-family:var(--font-mono);
  font-size:34px;
  font-weight:700;
  line-height:1;
  color:var(--volt);
}

.stat__label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--muted);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  white-space:nowrap;
}
.tag--volt{color:var(--volt);border-color:rgba(200,255,61,.5);background:rgba(200,255,61,.08)}
.tag--red{color:var(--red);border-color:rgba(255,77,77,.5);background:rgba(255,77,77,.08)}
.tag--yellow{color:var(--yellow);border-color:rgba(255,216,77,.5);background:rgba(255,216,77,.08)}
.tag--cyan{color:var(--cyan);border-color:rgba(69,224,255,.5);background:rgba(69,224,255,.08)}

.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  transition:color .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease);
}
.chip:hover{color:var(--text);border-color:var(--dim)}
.chip[aria-pressed="true"]{
  color:var(--ink);
  background:var(--volt);
  border-color:var(--volt);
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 24px;
  border:1px solid var(--line);
  color:var(--text);
  font-family:var(--font-display);
  font-size:15px;
  font-weight:700;
  letter-spacing:.03em;
  text-transform:uppercase;
  transition:border-color .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--volt{background:var(--volt);border-color:var(--volt);color:var(--ink)}
.btn--volt:hover{box-shadow:0 0 0 3px rgba(200,255,61,.2)}
.btn--ghost:hover{border-color:var(--volt);color:var(--volt)}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:22px 0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--muted);
}
.breadcrumb li+li::before{content:"/";margin-right:10px;color:var(--line)}
.breadcrumb a:hover{color:var(--volt)}

.band{
  background:var(--night);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:34px 0;
}

/* 左侧粘性战报栏 + 主内容 */
.layout-rail{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:56px;
  align-items:start;
}

.battle-rail{
  position:sticky;
  top:132px;
  background:var(--night);
  border:1px solid var(--line);
}

.battle-rail__title{
  padding:16px 18px;
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:400;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--volt);
}

.battle-rail__link{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:12px;
  padding:13px 18px;
  border-bottom:1px solid var(--line-soft);
  color:var(--muted);
  font-size:14px;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.battle-rail__link:last-child{border-bottom:0}
.battle-rail__link:hover{background:rgba(200,255,61,.06);color:var(--text)}
.battle-rail__link[aria-current="true"]{
  color:var(--volt);
  box-shadow:inset 3px 0 0 var(--volt);
}

/* 图片容器基础规则（页面阶段放置 img） */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--night);
  border:1px solid var(--line);
}
.media-frame img{
  width:100%;height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}

.media-frame__cap{
  position:absolute;
  left:0;bottom:0;
  padding:6px 10px;
  background:rgba(7,9,11,.82);
  color:var(--volt);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
}

/* 进入视口显现 */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal][data-inview]{
  opacity:1;
  transform:none;
}

/* =========================================================
   响应式
   ========================================================= */

@media (max-width:1100px){
  :root{--gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .layout-rail{grid-template-columns:minmax(0,1fr);gap:36px}
  .battle-rail{position:static}
}

@media (max-width:1024px){
  html{scroll-padding-top:110px}

  .masthead__inner{min-height:66px;gap:16px}

  .nav-toggle{display:inline-flex}

  .site-nav{
    position:absolute;
    left:0;right:0;top:100%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
    padding:6px 0 22px;
    background:var(--night);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(0,0,0,.55);
  }
  .site-nav[data-open]{display:flex}

  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }

  .site-nav__link{
    padding:15px 20px;
    border-bottom:1px solid var(--line-soft);
    border-left:3px solid transparent;
    font-size:16px;
  }
  .site-nav__link:hover{border-bottom-color:var(--line-soft)}
  .site-nav__link[aria-current="page"]{
    border-bottom-color:var(--line-soft);
    border-left-color:var(--volt);
    background:rgba(200,255,61,.07);
  }

  .nav-cta{
    margin:18px 20px 0;
    justify-content:center;
    padding:14px 20px;
  }
}

@media (max-width:760px){
  :root{--shell:min(1280px,100% - 32px)}

  body{font-size:16px}

  .topbar{display:none}

  .section{padding:64px 0}

  .section-head{
    grid-template-columns:minmax(0,1fr);
    gap:14px;
    align-items:start;
    margin-bottom:32px;
  }
  .section-head__idx{font-size:38px}

  .grid-12{grid-template-columns:repeat(4,minmax(0,1fr))}

  .footer-grid{
    grid-template-columns:minmax(0,1fr);
    gap:34px;
    padding:48px 0 36px;
  }

  .footer-contact li{grid-template-columns:56px minmax(0,1fr)}

  .footer-base__inner{min-height:0;padding:18px 0;gap:14px}

  .site-footer{margin-top:64px}

  .panel{padding:20px}
}

/* =========================================================
   可访问性偏好
   ========================================================= */

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}

  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }

  .dot{animation:none;opacity:1}
  .scroll-meter{display:none}
  [data-reveal]{opacity:1;transform:none}
}