/* =========================================================
   乐游体育 · 共享样式 /assets/site.css
   L 形赛场数据台：左竖框导航 + 顶部栏目条 + 联赛切换条
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after{box-sizing:border-box}

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

body,
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol,fieldset{
  margin:0;
}

ul,ol{padding:0;list-style:none}

button{
  font:inherit;
  color:inherit;
  background:none;
  border:0;
  padding:0;
  cursor:pointer;
}

a{color:inherit;text-decoration:none}

img,svg,video,picture{
  display:block;
  max-width:100%;
}

table{border-collapse:collapse}

/* ---------- 2. Tokens ---------- */
:root{
  /* 品牌色彩 */
  --ink-900:#0B1F1A;
  --ink-800:#16302A;
  --ink-700:#2F5D4F;
  --paper:#F2EDE3;
  --paper-2:#E6DFD0;
  --stone:#8C9188;
  --cyan:#4FE3C1;
  --orange:#F2A03D;
  --terra:#B4552F;
  --red:#E2453C;
  --yellow:#F5C542;
  --ink-text:#101613;

  --text:#F2EDE3;
  --text-dim:#9FAAA2;
  --line:rgba(242,237,227,.12);
  --line-strong:rgba(242,237,227,.26);

  /* 字体 */
  --font-display:"HarmonyOS Sans SC Condensed","Source Han Sans SC Condensed","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* 结构 */
  --rail-w:88px;
  --bar-h:56px;
  --strip-h:52px;
  --top-h:calc(var(--bar-h) + var(--strip-h));
  --page-x:clamp(20px,4vw,48px);
  --gap:clamp(16px,2vw,24px);
  --maxw:1440px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

/* ---------- 3. Base / 中文排版 ---------- */
body{
  min-height:100vh;
  padding-left:var(--rail-w);
  padding-top:var(--top-h);
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,
.display-xl{
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(40px,7vw,96px);
  line-height:1.02;
  letter-spacing:-.02em;
}

h1{font-size:clamp(40px,6vw,88px)}

h2,
.display-l{
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(28px,3.4vw,48px);
  line-height:1.1;
  letter-spacing:-.01em;
}

h3{
  font-family:var(--font-display);
  font-weight:500;
  font-size:22px;
  line-height:1.32;
  letter-spacing:0;
}

h4{
  font-size:18px;
  font-weight:500;
  line-height:1.45;
}

p{max-width:62ch}

strong,b{font-weight:500}

::selection{
  background:var(--cyan);
  color:var(--ink-900);
}

/* ---------- 4. 无障碍与工具类 ---------- */
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:2px;
}

.paper :focus-visible,
.media--paper :focus-visible{
  outline-color:var(--terra);
}

.visually-hidden{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

.skip-link{
  position:fixed;
  top:-80px;
  left:12px;
  z-index:300;
  padding:12px 20px;
  background:var(--cyan);
  color:var(--ink-900);
  font-size:14px;
  font-weight:600;
  line-height:1;
  border-radius:2px;
  transition:top .2s var(--ease);
}

.skip-link:focus{
  top:12px;
}

.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--page-x);
}

.num,
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  letter-spacing:.01em;
}

.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone);
}

.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--orange);
  flex:0 0 auto;
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line-strong);
  border-radius:2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--text-dim);
}

.tag--cyan{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--ink-900);
}

.tag--card-red{
  border-color:var(--red);
  color:var(--red);
}

.tag--card-yellow{
  border-color:var(--yellow);
  color:var(--yellow);
}

.rule{
  height:1px;
  border:0;
  background:var(--line);
  margin-block:clamp(28px,4vw,48px);
}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 22px;
  border:1px solid transparent;
  border-radius:2px;
  font-family:var(--font-body);
  font-size:15px;
  font-weight:500;
  line-height:1;
  text-decoration:none;
  transition:background .18s var(--ease),
             color .18s var(--ease),
             border-color .18s var(--ease),
             transform .18s var(--ease);
}

.btn--primary{
  background:var(--orange);
  border-color:var(--orange);
  color:var(--ink-900);
}

.btn--primary:hover{
  background:#FFB455;
  border-color:#FFB455;
  transform:translateY(-1px);
}

.btn--ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--paper);
}

.btn--ghost:hover{
  border-color:var(--cyan);
  color:var(--cyan);
}

.btn--ink{
  background:var(--ink-900);
  border-color:var(--ink-900);
  color:var(--paper);
}

.btn--ink:hover{
  background:var(--ink-700);
  border-color:var(--ink-700);
}

.btn--sm{
  padding:9px 16px;
  font-size:13px;
}

/* ---------- 6. 头部：L 形框架 ---------- */
.site-header{
  position:relative;
  z-index:60;
}

/* 6.1 顶部栏目条 */
.site-header__bar{
  position:fixed;
  top:0;
  left:var(--rail-w);
  right:0;
  z-index:56;
  height:var(--bar-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-inline:var(--page-x);
  background:rgba(11,31,26,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}

.bar__brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--stone);
  max-width:none;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.bar__dot{
  color:var(--cyan);
  font-weight:700;
}

/* 6.2 左竖框 */
.rail{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  z-index:58;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:18px;
  padding:18px 0 22px;
  background:var(--ink-900);
  border-right:1px solid var(--line);
  overflow-y:auto;
  overflow-x:hidden;
}

.rail__brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}

.rail__mark{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  background:var(--cyan);
  color:var(--ink-900);
  font-family:var(--font-display);
  font-size:20px;
  font-weight:500;
  line-height:1;
  border-radius:2px;
  box-shadow:3px 3px 0 rgba(180,85,47,.55);
  transition:transform .2s var(--ease);
}

.rail__brand:hover .rail__mark{
  transform:translate(-1px,-1px);
}

.rail__sub{
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.18em;
  color:var(--stone);
}

.rail__toggle{
  display:none;
  flex:0 0 auto;
  width:44px;
  height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:1px solid var(--line-strong);
  border-radius:2px;
  background:transparent;
}

.rail__toggle-bar{
  display:block;
  width:18px;
  height:2px;
  background:var(--paper);
  transition:transform .22s var(--ease),opacity .18s var(--ease);
}

.site-header[data-open] .rail__toggle-bar:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}

.site-header[data-open] .rail__toggle-bar:nth-child(2){
  opacity:0;
}

.site-header[data-open] .rail__toggle-bar:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}

.rail__nav{
  display:flex;
  flex-direction:column;
  align-items:stretch;
  width:100%;
  gap:1px;
  flex:0 0 auto;
}

.rail__nav a{
  display:block;
  padding:10px 2px 10px 6px;
  border-left:2px solid transparent;
  font-size:12px;
  line-height:1.2;
  text-align:center;
  color:var(--text-dim);
  transition:color .16s var(--ease),
             background .16s var(--ease),
             border-color .16s var(--ease);
}

.rail__nav a:hover{
  color:var(--paper);
  background:var(--ink-800);
}

.rail__nav a[aria-current="page"]{
  color:var(--cyan);
  background:rgba(79,227,193,.08);
  border-left-color:var(--cyan);
  font-weight:500;
}

.rail__nav a:focus-visible{
  outline-offset:-2px;
}

.rail__gauge{
  position:relative;
  flex:0 0 auto;
  width:2px;
  height:64px;
  margin-top:auto;
  background:var(--line);
  overflow:hidden;
}

.rail__gauge span{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:var(--orange);
  transform:scaleY(var(--p,0));
  transform-origin:top center;
  transition:transform .18s linear;
}

/* 6.3 联赛切换条 */
.league-strip{
  position:fixed;
  top:var(--bar-h);
  left:var(--rail-w);
  right:0;
  z-index:55;
  height:var(--strip-h);
  background:var(--ink-800);
  border-bottom:1px solid var(--line);
}

.league-strip__inner{
  display:flex;
  align-items:center;
  gap:8px;
  height:100%;
  padding-inline:var(--page-x);
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scrollbar-width:none;
}

.league-strip__inner::-webkit-scrollbar{
  height:0;
}

.league-strip__label{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--stone);
  margin-right:4px;
}

.league-chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  padding:8px 15px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:transparent;
  color:var(--text-dim);
  font-size:13px;
  line-height:1;
  white-space:nowrap;
  transition:background .2s var(--ease),
             color .2s var(--ease),
             border-color .2s var(--ease);
}

.league-chip:hover{
  border-color:var(--cyan);
  color:var(--cyan);
}

.league-chip.is-active{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--ink-900);
  font-weight:600;
}

.league-chip.is-active:hover{
  color:var(--ink-900);
}

/* 联赛筛选结果 */
[data-league].is-filtered-out{
  display:none !important;
}

/* ---------- 7. 面包屑 ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone);
}

.crumbs li{
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.crumbs li + li::before{
  content:"/";
  color:var(--ink-700);
}

.crumbs a{
  color:var(--stone);
  transition:color .16s var(--ease);
}

.crumbs a:hover{
  color:var(--cyan);
}

.crumbs [aria-current="page"]{
  color:var(--text);
}

/* ---------- 8. 纸面、网格、图片容器 ---------- */
.paper{
  position:relative;
  background:var(--paper);
  color:var(--ink-text);
  padding:clamp(28px,4vw,64px) clamp(22px,3.6vw,56px);
  border-radius:2px;
  box-shadow:8px 8px 0 rgba(180,85,47,.22);
}

.paper--flat{
  box-shadow:none;
  border:1px solid var(--paper-2);
}

.paper :is(h1,h2,h3,h4){
  color:var(--ink-text);
}

.paper :is(p,li,dd){
  color:#232A25;
}

.paper .eyebrow{
  color:var(--terra);
}

.paper .eyebrow::before{
  background:var(--terra);
}

.panel{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:2px;
  padding:clamp(18px,2.4vw,28px);
}

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

.grid-12 > *{min-width:0}

.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}

/* 响应式图片容器基础规则（页面阶段放置图片） */
.media{
  position:relative;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:var(--ink-800);
  border-radius:2px;
}

.media > img,
.media > video,
.media > svg,
.media > picture > img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media--paper{background:var(--paper-2)}

.media--slant{
  clip-path:polygon(0 0,100% 0,100% 90%,0 100%);
}

.media--frame{
  outline:1px solid var(--line);
  outline-offset:6px;
}

@media (max-width:720px){
  .media--wide{aspect-ratio:16 / 9}
}

/* ---------- 9. 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px,8vw,112px);
  padding:clamp(40px,6vw,72px) var(--page-x) clamp(24px,3vw,36px);
  background:var(--ink-800);
  border-top:1px solid var(--line);
  color:var(--text);
}

.site-footer__grid{
  display:grid;
  grid-template-columns:1.5fr repeat(3,minmax(0,1fr)) 1.3fr;
  gap:clamp(28px,4vw,48px) clamp(20px,3vw,40px);
  max-width:var(--maxw);
  margin-inline:auto;
}

.footer__brand-name{
  font-family:var(--font-display);
  font-weight:400;
  font-size:clamp(26px,3vw,34px);
  line-height:1;
  letter-spacing:-.01em;
  color:var(--paper);
  max-width:none;
}

.footer__brand-sub{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--cyan);
  text-transform:uppercase;
  max-width:none;
}

.footer__note{
  margin-top:18px;
  max-width:32ch;
  font-size:14px;
  line-height:1.65;
  color:var(--text-dim);
}

.footer__col-title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stone);
  max-width:none;
}

.footer__links{
  display:flex;
  flex-direction:column;
  gap:9px;
}

.footer__links a{
  display:inline-block;
  padding-block:2px;
  font-size:15px;
  color:var(--text-dim);
  transition:color .16s var(--ease),transform .16s var(--ease);
}

.footer__links a:hover{
  color:var(--cyan);
  transform:translateX(3px);
}

.footer__contact{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:14.5px;
  line-height:1.6;
  color:var(--text-dim);
}

.footer__contact p{max-width:34ch}

.footer__contact-strong{
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:13.5px;
  letter-spacing:.02em;
  word-break:break-all;
}

.footer__contact-num{
  color:var(--orange);
  font-family:var(--font-mono);
  font-size:17px;
  font-weight:600;
  letter-spacing:.06em;
}

.site-footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px 28px;
  max-width:var(--maxw);
  margin:clamp(32px,5vw,56px) auto 0;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--stone);
}

.site-footer__base p{max-width:none}

/* ---------- 10. 进入视口动效 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}

.js [data-reveal].is-in{
  opacity:1;
  transform:none;
}

/* ---------- 11. 响应式 ---------- */
@media (max-width:1280px){
  .site-footer__grid{
    grid-template-columns:1fr 1fr 1fr;
    gap:36px 28px;
  }

  .footer__brand{
    grid-column:1 / -1;
  }

  .footer__contact{
    grid-column:1 / -1;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:baseline;
    gap:10px 28px;
  }
}

@media (max-width:1024px){
  :root{
    --bar-h:54px;
    --strip-h:48px;
  }

  body{
    padding-left:0;
    padding-top:var(--top-h);
    padding-bottom:88px;
  }

  body.is-nav-open{
    overflow:hidden;
  }

  .site-header__bar{
    left:0;
  }

  .league-strip{
    left:0;
  }

  .rail{
    top:auto;
    bottom:0;
    left:0;
    right:0;
    width:auto;
    height:78px;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding:0 var(--page-x);
    border-right:0;
    border-top:1px solid var(--line-strong);
    background:rgba(11,31,26,.97);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    overflow:visible;
  }

  .rail__brand{
    flex-direction:row;
    gap:10px;
  }

  .rail__mark{
    width:36px;
    height:36px;
    font-size:18px;
    box-shadow:2px 2px 0 rgba(180,85,47,.55);
  }

  .rail__toggle{
    display:inline-flex;
  }

  .rail__gauge{
    display:none;
  }

  .rail__nav{
    position:fixed;
    left:0;
    right:0;
    bottom:78px;
    width:auto;
    z-index:57;
    max-height:min(62vh,460px);
    padding:6px var(--page-x) 18px;
    gap:0;
    background:var(--ink-800);
    border-top:1px solid var(--line-strong);
    transform:translateY(14px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    overflow-y:auto;
    transition:transform .24s var(--ease),
               opacity .2s var(--ease),
               visibility .24s var(--ease);
  }

  .site-header[data-open] .rail__nav,
  .rail__nav[data-open]{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
    pointer-events:auto;
  }

  .rail__nav a{
    padding:15px 4px;
    border-left:0;
    border-bottom:1px solid var(--line);
    text-align:left;
    font-size:15.5px;
    color:var(--text);
  }

  .rail__nav a[aria-current="page"]{
    border-left:0;
    background:transparent;
    color:var(--cyan);
  }

  .rail__nav a:hover{
    background:rgba(79,227,193,.06);
  }

  .bar__brand{
    font-size:11px;
    letter-spacing:.1em;
  }
}

@media (max-width:760px){
  h1{font-size:clamp(34px,9vw,52px);line-height:1.05}
  h2{font-size:clamp(26px,6vw,34px)}

  p{max-width:none}

  .site-footer__grid{
    grid-template-columns:1fr;
    gap:30px;
  }

  .footer__brand,
  .footer__contact{
    grid-column:1 / -1;
  }

  .footer__contact{
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
  }

  .site-footer__base{
    flex-direction:column;
    gap:6px;
    font-size:11px;
  }

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

  .span-4,
  .span-5,
  .span-6,
  .span-7,
  .span-8{
    grid-column:span 4;
  }
}

@media (max-width:480px){
  .bar__brand{
    font-size:10px;
    letter-spacing:.06em;
  }

  .league-strip__label{
    display:none;
  }

  .league-chip{
    padding:7px 13px;
    font-size:12.5px;
  }
}

/* ---------- 12. 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}

  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }

  .js [data-reveal]{
    opacity:1;
    transform:none;
  }

  .rail__gauge span{
    transition:none;
  }
}