/* =========================================================================
   B体育主站 · 共享样式 /assets/site.css
   深空黑 + 荧光绿 / 精密网格 / 纵向叙事长卷 / 夜间赛场指挥中心
   ========================================================================= */

/* ---------- 1. 令牌 ---------- */
:root{
  --ink-900:#07090C;
  --ink-800:#101620;
  --line:#1E2A38;
  --green:#7CFF4F;
  --red:#FF3B4E;
  --blue:#2FD8FF;
  --chili:#E23A2E;
  --paper:#F2F6F9;
  --mist:#9AA7B4;
  --green-deep:#0E2A16;
  --amber:#FFB454;
  --on-green:#04120A;

  --shell:1320px;
  --gutter:clamp(16px,4vw,40px);
  --bar-h:64px;
  --bar-h-sm:56px;
  --sec-gap:clamp(64px,9vw,144px);
  --radius:2px;
  --dur:180ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-padding-top:calc(var(--bar-h) + 48px);
}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}
::selection{background:var(--green);color:var(--on-green)}

/* ---------- 3. 中文排版与页面底色 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(30,42,56,.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30,42,56,.55) 1px, transparent 1px);
  background-size:72px 72px;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{line-height:1.14;font-weight:800;letter-spacing:-.015em;color:var(--paper)}
p{max-width:42ch}
strong,b{font-weight:700;color:var(--paper)}
.num,.label,.section__index,.panel__meta,.stat__label,.breadcrumb__list,.tag,.site-nav__idx,.brand__ver,.cmd-bar__status-item,.footer-contact__value{
  font-family:var(--font-mono);
}
.label{
  display:inline-block;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
  line-height:1.4;
}

/* ---------- 4. 布局骨架 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.flow > * + *{margin-top:var(--flow,16px)}
.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:18px;
}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}

/* ---------- 5. 跳转链接与焦点 ---------- */
.skip-link{
  position:absolute;
  left:var(--gutter);
  top:-120px;
  z-index:200;
  padding:10px 16px;
  background:var(--green);
  color:var(--on-green);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  border-radius:var(--radius);
  transition:top var(--dur) var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{top:10px}
:focus-visible{
  outline:2px solid var(--green);
  outline-offset:2px;
}

/* ---------- 6. 命令栏（头部） ---------- */
.cmd-bar{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(7,9,12,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.cmd-bar__inner{
  position:static;
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,26px);
  min-height:var(--bar-h);
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
  border-bottom:1px solid rgba(30,42,56,.85);
}

/* 品牌 */
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:4px 2px;
}
.brand__abbr{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  background:var(--green);
  color:var(--on-green);
  font-family:var(--font-mono);
  font-size:19px;
  font-weight:700;
  line-height:1;
  border-radius:var(--radius);
  clip-path:polygon(0 0,100% 0,100% 66%,72% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;gap:2px;line-height:1.1}
.brand__name{font-size:14px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand__ver{
  font-size:10px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--green);
  white-space:nowrap;
}

/* 栏目索引 */
.site-nav{flex:1 1 auto;min-width:0}
.site-nav__list{display:flex;align-items:center;gap:clamp(2px,1vw,14px)}
.site-nav__item{display:block}
.site-nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 10px;
  font-size:14px;
  color:var(--mist);
  border:1px solid transparent;
  border-radius:var(--radius);
  white-space:nowrap;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.site-nav__idx{
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(154,167,180,.5);
  transition:color var(--dur) var(--ease);
}
.site-nav__text{display:inline-block}
.site-nav__link:hover{
  color:var(--paper);
  border-color:var(--line);
  background:rgba(16,22,32,.9);
}
.site-nav__link[aria-current="page"]{
  background:var(--green);
  border-color:var(--green);
  color:var(--on-green);
  font-weight:700;
}
.site-nav__link[aria-current="page"] .site-nav__idx{color:rgba(4,18,10,.7)}

/* 工具区：联赛切换 + 关注 */
.cmd-bar__tools{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  flex:0 0 auto;
}
.league-switch{
  display:flex;
  align-items:stretch;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.league-switch__btn{
  min-height:30px;
  padding:6px 10px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
  border-right:1px solid var(--line);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.league-switch__btn:last-child{border-right:0}
.league-switch__btn:hover{color:var(--paper);background:rgba(47,216,255,.1)}
.league-switch__btn[aria-pressed="true"]{
  background:var(--blue);
  color:#03212B;
  font-weight:700;
}
.watch-toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:32px;
  padding:6px 10px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.watch-toggle__star{font-size:12px;line-height:1}
.watch-toggle__text{white-space:nowrap}
.watch-toggle:hover{color:var(--amber);border-color:rgba(255,180,84,.5)}
.watch-toggle[aria-pressed="true"]{
  color:var(--amber);
  border-color:var(--amber);
  background:rgba(255,180,84,.08);
}

/* 状态条 */
.cmd-bar__status{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(12px,3vw,28px);
  height:28px;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
  overflow:hidden;
  transition:height var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.cmd-bar__status-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
  text-transform:uppercase;
}
.cmd-bar__status-item b{color:var(--green);font-weight:600}
.cmd-bar__status-item--end{margin-left:auto}
.status-dot{
  width:6px;
  height:6px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(124,255,79,.16);
  animation:dotPulse 2.4s ease-in-out infinite;
}
@keyframes dotPulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.35;transform:scale(.82)}
}
.cmd-bar__progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:rgba(30,42,56,.9);
}
.progress{
  display:block;
  height:100%;
  width:100%;
  background:linear-gradient(90deg,var(--green),var(--blue));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 120ms linear;
}
.cmd-bar.is-condensed .cmd-bar__inner{min-height:52px}
.cmd-bar.is-condensed .brand__ver{opacity:.55}
.cmd-bar.is-condensed .cmd-bar__status{height:22px;opacity:.85}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--paper);
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__bars i{display:block;height:1px;background:var(--green);transition:transform var(--dur) var(--ease)}
.nav-toggle__text{white-space:nowrap}
.nav-toggle[aria-expanded="true"]{border-color:var(--green);color:var(--green)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:first-child{transform:translateY(2.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:last-child{transform:translateY(-2.5px) rotate(-45deg)}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:var(--sec-gap);
  background:var(--ink-800);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--green) 0 20%,var(--blue) 20% 42%,var(--red) 42% 48%,transparent 48%);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1.3fr 1fr;
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(40px,6vw,76px);
}
.footer-col{display:flex;flex-direction:column;gap:14px;min-width:0}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand__abbr{
  display:grid;
  place-items:center;
  width:30px;height:30px;
  background:var(--green);
  color:var(--on-green);
  font-family:var(--font-mono);
  font-size:16px;
  font-weight:700;
  border-radius:var(--radius);
  clip-path:polygon(0 0,100% 0,100% 66%,72% 100%,0 100%);
}
.footer-brand__name{font-size:15px;font-weight:700;letter-spacing:.02em}
.footer-brand__desc{font-size:14px;line-height:1.7;color:var(--mist);max-width:34ch}
.footer-col__title{
  font-size:11px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--green);
  font-family:var(--font-mono);
}
.footer-nav-list{display:flex;flex-direction:column;gap:8px}
.footer-link{
  display:inline-block;
  font-size:15px;
  color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-link:hover{color:var(--green);border-bottom-color:var(--green)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact__item{display:flex;flex-direction:column;gap:2px}
.footer-contact__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
}
.footer-contact__value{
  font-size:14px;
  line-height:1.6;
  color:var(--paper);
  word-break:break-word;
  user-select:all;
}
.footer-note{
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
  max-width:40ch;
  padding-top:10px;
  border-top:1px solid var(--line);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-block:18px 26px;
  border-top:1px solid var(--line);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
}
.footer-bottom__copy{max-width:none}
.footer-bottom__icp{max-width:none;font-family:var(--font-mono);color:var(--mist)}

/* ---------- 8. 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 20px;
  font-size:14px;
  letter-spacing:.04em;
  color:var(--paper);
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-2px);border-color:var(--green);color:var(--green)}
.btn--primary{background:var(--green);border-color:var(--green);color:var(--on-green);font-weight:700}
.btn--primary:hover{background:#96FF74;border-color:#96FF74;color:var(--on-green)}
.btn--ghost{background:transparent}
.btn--alert{border-color:rgba(255,59,78,.6);color:var(--red)}
.btn--alert:hover{border-color:var(--red);color:var(--red)}
.btn__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;opacity:.7}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb{padding-block:18px 6px}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--mist);
}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item[aria-current="page"]{color:var(--paper)}
.breadcrumb__link{color:var(--mist);border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.breadcrumb__link:hover{color:var(--green);border-bottom-color:var(--green)}
.breadcrumb__sep{color:var(--line)}

/* ---------- 10. 章节 ---------- */
.section{
  position:relative;
  padding-block:clamp(48px,7vw,96px);
}
.section + .section{margin-top:clamp(16px,3vw,48px)}
.section__head{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:end;
  gap:18px;
  padding-bottom:14px;
  margin-bottom:clamp(20px,3vw,40px);
  border-bottom:1px solid var(--line);
}
.section__index{
  display:block;
  font-size:12px;
  letter-spacing:.24em;
  color:var(--green);
  margin-bottom:10px;
}
.section__title{
  font-size:clamp(28px,4.4vw,56px);
  line-height:1.06;
  letter-spacing:-.02em;
}
.section__title--display{
  font-size:clamp(44px,10vw,140px);
  line-height:1;
  letter-spacing:-.04em;
  font-weight:800;
}
.section__lede{
  max-width:40ch;
  font-size:16px;
  line-height:1.75;
  color:var(--mist);
}

/* ---------- 11. 面板、卡片、数据 ---------- */
.panel{
  position:relative;
  padding:clamp(16px,2.4vw,28px);
  background:linear-gradient(180deg,rgba(16,22,32,.96),rgba(16,22,32,.78));
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.panel:hover{border-color:rgba(124,255,79,.45);transform:translateY(-2px)}
.panel--accent{border-left:3px solid var(--green)}
.panel__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-bottom:12px;
}
.panel__title{font-size:18px;font-weight:700;line-height:1.3}
.panel__meta{font-size:11px;letter-spacing:.16em;color:var(--mist);text-transform:uppercase;white-space:nowrap}
.panel__body{font-size:16px;line-height:1.75;color:var(--mist);max-width:44ch}
.card-grid{
  display:grid;
  gap:16px;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
}
.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{
  font-size:clamp(32px,5vw,64px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--green);
}
.stat__label{
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
}
.num{letter-spacing:-.01em}

/* ---------- 12. 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
  background:rgba(7,9,12,.5);
  border:1px solid var(--line);
  border-radius:var(--radius);
  white-space:nowrap;
}
.tag--live{color:var(--green);border-color:rgba(124,255,79,.45);background:rgba(124,255,79,.08)}
.tag--local{color:var(--chili);border-color:rgba(226,58,46,.5);background:rgba(226,58,46,.08)}
.tag--alert{color:var(--amber);border-color:rgba(255,180,84,.5);background:rgba(255,180,84,.08)}

/* ---------- 13. 图片容器 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame__img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.94) contrast(1.06) brightness(.92);
}
.media-frame__tag{position:absolute;top:12px;left:12px;z-index:2}
.media-frame__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:14px 12px 10px;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--paper);
  background:linear-gradient(rgba(7,9,12,0),rgba(7,9,12,.9));
}
.media-frame--tall .media-frame__caption{font-size:11px}

/* ---------- 14. 动效协议 ---------- */
.reveal{
  opacity:0;
  transform:translate3d(-16px,16px,0);
  transition:opacity 420ms var(--ease),transform 420ms var(--ease);
}
.reveal.is-in{opacity:1;transform:none}

/* 页面内筛选状态 */
.is-filtered{display:none !important}
[data-watch-list] > *{transition:opacity var(--dur) var(--ease),filter var(--dur) var(--ease),border-color var(--dur) var(--ease)}
body.is-watch-only [data-watch-list] > *:not([data-watch="true"]){opacity:.28;filter:grayscale(.65)}
body.is-watch-only [data-watch="true"]{border-color:var(--amber)}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1240px){
  .site-nav__idx{display:none}
}
@media (max-width:1080px){
  .league-switch__btn{padding:6px 8px;font-size:11px}
  .watch-toggle__text{display:none}
  .watch-toggle{padding:6px 9px}
}
@media (max-width:960px){
  html{scroll-padding-top:calc(var(--bar-h-sm) + 48px)}
  .cmd-bar__inner{min-height:var(--bar-h-sm);flex-wrap:wrap}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .cmd-bar__tools{margin-left:0}
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    display:none;
    padding:8px var(--gutter) 18px;
    background:var(--ink-800);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(0,0,0,.55);
  }
  .site-nav[data-open="true"]{display:block}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__link{
    display:flex;
    width:100%;
    padding:13px 6px;
    font-size:15px;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .site-nav__idx{display:inline-block}
  .site-nav__link[aria-current="page"]{background:rgba(124,255,79,.12);color:var(--green);border-color:var(--line)}
  .site-nav__link[aria-current="page"] .site-nav__idx{color:rgba(124,255,79,.75)}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 6}
  .section__head{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px;background-size:48px 48px}
  p{max-width:36ch}
  .cmd-bar__status-item:nth-child(2){display:none}
  .cmd-bar__status{gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .league-switch__btn:nth-child(4){display:none}
}
@media (max-width:430px){
  .brand__ver{display:none}
  .league-switch__btn:nth-child(3){display:none}
}

/* ---------- 16. 动效与偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{transform:none;opacity:0}
  .reveal.is-in{opacity:1}
  .status-dot{animation:none}
  .btn:hover,.panel:hover{transform:none}
}