/* ==========================================================================
   爱娱乐体育 · 共享样式 /assets/site.css
   夜空深蓝基底 + 看台暖橙 + 数据流青绿
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --ink-900:#0E1A2E;
  --ink-800:#16263F;
  --line:#3A4A63;
  --orange:#F08A2C;
  --amber:#FFC24B;
  --teal:#2FB6A8;
  --paper:#F2EDE4;
  --brick:#C9453B;
  --dim:#D7DEE8;
  --bright:#F7F9FC;
  --dark:#1B2430;

  --font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-display:var(--font-body);
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --shell:min(1240px, calc(100% - 40px));
  --radius:3px;
  --ease:cubic-bezier(.22,.7,.3,1);
  --shadow-1:0 1px 0 rgba(255,255,255,.04), 0 14px 32px -20px rgba(0,0,0,.92);
  --shadow-2:0 2px 0 rgba(255,255,255,.05), 0 22px 48px -26px rgba(0,0,0,.95);

  --scroll-progress:0%;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:24px;
}

body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  background:var(--ink-900);
  color:var(--dim);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body::after{
  content:"";
  position:fixed;
  top:0;
  left:0;
  width:var(--scroll-progress);
  height:2px;
  background:linear-gradient(90deg,var(--teal),var(--orange) 62%,var(--amber));
  z-index:90;
  pointer-events:none;
}

img,svg,video{display:block;max-width:100%;}
img{height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6,p,figure,dl,dt,dd,blockquote{margin:0;}
table{border-collapse:collapse;width:100%;}
hr{border:0;border-top:1px solid var(--line);margin:0;}

::selection{background:var(--orange);color:#160C02;}

/* ---------- 3. 排版 ---------- */
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.2;
  letter-spacing:.012em;
  color:var(--bright);
}
h1{font-size:clamp(28px,4.4vw,52px);}
h2{font-size:clamp(23px,3vw,36px);}
h3{font-size:clamp(19px,2vw,24px);}
h4{font-size:18px;}

p{color:inherit;}

strong{color:var(--bright);font-weight:700;}

.num,
.number{
  font-family:var(--font-mono);
  font-weight:700;
  font-feature-settings:"tnum" 1;
  letter-spacing:-.02em;
  color:var(--amber);
}

code,kbd,samp{
  font-family:var(--font-mono);
  font-size:.92em;
  color:var(--teal);
}

/* ---------- 4. 工具类 ---------- */
.shell{
  width:var(--shell);
  margin-inline:auto;
}

.u-visually-hidden{
  position:absolute !important;
  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;
}

#main-content{display:block;}

/* ---------- 5. 焦点与跳转链接 ---------- */
:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:3px;
  border-radius:2px;
}

.skip-link{
  position:absolute;
  left:14px;
  top:-70px;
  z-index:120;
  display:inline-block;
  padding:10px 18px;
  background:var(--amber);
  color:#1B1206;
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  border-radius:var(--radius);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px;}

/* ---------- 6. 页头 ---------- */
.site-header{
  position:relative;
  z-index:60;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:min(220px,38vw);
  height:2px;
  background:linear-gradient(90deg,var(--orange),var(--amber) 55%,rgba(47,182,168,0));
}

/* 状态条 —— 记分牌页眉 */
.status-bar{
  background:var(--ink-800);
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.07em;
  color:#8C9BB3;
}
.status-bar__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 26px;
  padding:9px 0;
}
.status-bar__item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.5;
  letter-spacing:.07em;
}
.status-bar__item--end{margin-left:auto;}
.status-bar__key{color:#78889F;}
.status-bar__val{color:var(--bright);}
.status-bar__dot{
  width:6px;
  height:6px;
  background:var(--teal);
  box-shadow:0 0 0 3px rgba(47,182,168,.16);
  display:inline-block;
}

/* 报头 */
.masthead{
  position:relative;
  padding:32px 0 24px;
  text-align:center;
}
.masthead::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(58% 130% at 50% 0%, rgba(240,138,44,.11), transparent 68%),
    radial-gradient(40% 100% at 12% 100%, rgba(47,182,168,.07), transparent 70%);
}
.masthead__eyebrow{
  position:relative;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.36em;
  text-transform:uppercase;
  color:var(--teal);
  margin-bottom:14px;
}
.masthead__brand{
  position:relative;
  display:inline-block;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(30px,5.6vw,58px);
  line-height:1;
  letter-spacing:.08em;
  color:var(--bright);
  padding-bottom:12px;
}
.masthead__brand::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  background:linear-gradient(90deg,var(--orange),var(--amber) 48%,var(--teal));
}
.masthead__brand:hover{color:var(--amber);}
.masthead__tagline{
  position:relative;
  margin-top:14px;
  font-size:14px;
  letter-spacing:.2em;
  color:#9CAEC5;
}

/* 移动导航按钮 */
.nav-toggle{
  position:absolute;
  right:0;
  top:38px;
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 13px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(22,38,63,.7);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--dim);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--orange);color:var(--amber);}
.nav-toggle[aria-expanded="true"]{
  border-color:var(--teal);
  color:var(--teal);
}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:16px;
  height:1px;
  background:currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:1px;
  background:currentColor;
  transition:transform .2s var(--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{transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg);}
.nav-toggle__text{line-height:1;}

/* 主导航 */
.site-nav{
  border-top:1px solid var(--line);
  background:var(--ink-900);
}
.site-nav__list{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:stretch;
}
.site-nav__item{display:flex;}
.site-nav__item + .site-nav__item{border-left:1px solid var(--line);}
.site-nav__link{
  position:relative;
  display:flex;
  align-items:center;
  padding:15px 26px;
  font-size:15px;
  letter-spacing:.12em;
  color:#B4C2D4;
  white-space:nowrap;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:26px;
  right:26px;
  bottom:9px;
  height:2px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s var(--ease);
}
.site-nav__link:hover{
  color:var(--bright);
  background:rgba(47,182,168,.06);
}
.site-nav__link:hover::after{transform:scaleX(1);}
.site-nav__link[aria-current="page"]{color:var(--bright);}
.site-nav__link[aria-current="page"]::after{
  transform:scaleX(1);
  background:linear-gradient(90deg,var(--orange),var(--amber));
}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:0;
  background:var(--ink-900);
  border-top:1px solid var(--line);
  color:#93A3BA;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:min(240px,42vw);
  height:2px;
  background:linear-gradient(90deg,var(--orange),var(--amber) 60%,rgba(47,182,168,0));
}
.site-footer::after{
  content:"";
  position:absolute;
  right:0;
  bottom:0;
  width:min(320px,50vw);
  height:100%;
  pointer-events:none;
  background:radial-gradient(70% 90% at 100% 100%, rgba(47,182,168,.08), transparent 72%);
}

.footer-main{
  position:relative;
  display:grid;
  grid-template-columns:1.3fr repeat(3, minmax(0,.8fr)) 1.45fr;
  gap:40px 30px;
  padding:58px 0 44px;
}

.footer-intro{display:flex;flex-direction:column;align-items:flex-start;}
.footer-brand{
  font-family:var(--font-display);
  font-size:24px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--bright);
}
.footer-brand:hover{color:var(--amber);}
.footer-intro__tagline{
  margin-top:12px;
  font-size:14px;
  line-height:1.8;
  color:#93A3BA;
  max-width:24ch;
}
.footer-intro__rule{
  display:block;
  width:52px;
  height:2px;
  margin:16px 0;
  background:var(--teal);
}
.footer-intro__meta{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:#78889F;
}
.footer-intro__cta{margin-top:20px;}

.footer-col__title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.22em;
  color:var(--orange);
  text-transform:uppercase;
  margin-bottom:16px;
}
.footer-col__title::before{content:"— ";}
.footer-col__list{display:grid;gap:10px;}
.footer-link{
  display:inline-block;
  font-size:15px;
  color:#B4C2D4;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--amber);transform:translateX(4px);}

.footer-contact{padding-left:0;}
.footer-contact__list{display:grid;gap:12px;}
.footer-contact__row{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:10px;
}
.footer-contact__key{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:#78889F;
  padding-top:4px;
}
.footer-contact__val{
  font-size:14px;
  line-height:1.7;
  color:#C6D2E0;
  word-break:break-word;
}
.footer-contact__note{
  margin-top:16px;
  padding-left:12px;
  border-left:2px solid var(--line);
  font-size:13px;
  line-height:1.7;
  color:#8494AB;
}

.footer-bottom{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 26px;
  padding:18px 0 30px;
  border-top:1px solid var(--line);
}
.footer-legal{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:#78889F;
}

/* ---------- 8. 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--ink-800);
  color:var(--bright);
  font-size:15px;
  letter-spacing:.08em;
  line-height:1.4;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{border-color:var(--orange);color:var(--amber);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}

.btn--accent{
  background:var(--orange);
  border-color:var(--orange);
  color:#1B1206;
  font-weight:700;
}
.btn--accent:hover{background:var(--amber);border-color:var(--amber);color:#1B1206;}

.btn--ghost{background:transparent;}

/* ---------- 9. 面包屑 ---------- */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  padding:20px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:#78889F;
}
.breadcrumbs a{color:#9FB0C6;transition:color .2s var(--ease);}
.breadcrumbs a:hover{color:var(--amber);}
.breadcrumbs__sep{color:var(--line);}
.breadcrumbs [aria-current="page"]{color:var(--bright);}

/* ---------- 10. 正文容器与网格 ---------- */
.prose{
  max-width:72ch;
  font-size:17px;
  line-height:1.8;
  color:var(--dim);
}
.prose > * + *{margin-top:1.05em;}
.prose h2{margin-top:1.9em;font-size:clamp(22px,2.6vw,30px);}
.prose h3{margin-top:1.6em;}
.prose ul,
.prose ol{padding-left:1.3em;display:grid;gap:.4em;}
.prose li{position:relative;padding-left:.5em;list-style:disc;}
.prose a{
  color:var(--amber);
  border-bottom:1px solid rgba(255,194,75,.35);
}
.prose a:hover{border-bottom-color:var(--amber);}
.prose strong{color:var(--bright);}
.prose hr{margin:2.2em 0;}

.grid{display:grid;gap:22px;}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(232px,1fr));}

/* ---------- 11. 组件：卡片 / 标签 / 区块标题 / 时间轴 / 目录 / 表格 ---------- */
.card{
  position:relative;
  padding:22px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{
  border-color:rgba(240,138,44,.55);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.card--paper{
  background:var(--paper);
  border-color:#DCD4C6;
  color:var(--dark);
}
.card--paper h2,.card--paper h3,.card--paper h4{color:var(--dark);}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px 16px;
  padding-bottom:14px;
  margin-bottom:24px;
  border-bottom:1px solid var(--line);
}
.section-head__num{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--orange);
}
.section-head__title{
  font-family:var(--font-display);
  font-size:clamp(22px,2.8vw,32px);
  font-weight:800;
  letter-spacing:.03em;
  color:var(--bright);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  border:1px solid currentColor;
  border-radius:var(--radius);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  line-height:1.5;
  color:var(--teal);
}
.tag--league{color:var(--brick);}
.tag--amber{color:var(--amber);}

.timeline{
  position:relative;
  padding-left:26px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:4px;
  top:8px;
  bottom:8px;
  width:1px;
  background:var(--line);
}
.timeline__item{
  position:relative;
  padding:14px 0;
  border-bottom:1px solid rgba(58,74,99,.5);
}
.timeline__item:last-child{border-bottom:0;}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-26px;
  top:23px;
  width:9px;
  height:9px;
  background:var(--ink-900);
  border:2px solid var(--teal);
  border-radius:50%;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.timeline__item[data-state="active"]::before{
  background:var(--amber);
  border-color:var(--amber);
}

.toc{
  padding-left:18px;
  border-left:1px solid var(--line);
}
.toc__title{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  color:#78889F;
  margin-bottom:14px;
}
.toc__list{display:grid;gap:2px;}
.toc__link{
  display:block;
  padding:7px 0;
  font-size:14px;
  line-height:1.6;
  color:#9FB0C6;
  transition:color .2s var(--ease);
}
.toc__link:hover{color:var(--bright);}
.toc__link[data-active]{color:var(--amber);}
.toc__link[data-active]::before{content:"— ";color:var(--orange);}

.media{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--ink-800);
  aspect-ratio:16 / 9;
}
.media > img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.72) contrast(1.06) brightness(.9);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(180deg, rgba(14,26,46,.12), rgba(14,26,46,.5)),
    radial-gradient(60% 80% at 80% 0%, rgba(240,138,44,.16), transparent 70%);
}
.media__cap{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:2;
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--dim);
}
.media--wide{aspect-ratio:21 / 9;}
.media--square{aspect-ratio:1 / 1;}
.media--portrait{aspect-ratio:3 / 4;}

.data-table{
  width:100%;
  font-size:15px;
  color:var(--dim);
}
.data-table caption{
  padding-bottom:12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:#78889F;
  text-align:left;
}
.data-table th,
.data-table td{
  padding:12px 14px;
  text-align:left;
  border-bottom:1px solid rgba(58,74,99,.7);
  vertical-align:top;
}
.data-table thead th{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--orange);
  border-bottom-color:var(--line);
}
.data-table tbody tr:nth-child(odd){background:rgba(22,38,63,.55);}
.data-table tbody tr:hover{background:rgba(47,182,168,.09);}
.data-table--paper{color:var(--dark);}
.data-table--paper th,
.data-table--paper td{border-bottom-color:#DCD4C6;}
.data-table--paper tbody tr:nth-child(odd){background:rgba(255,255,255,.6);}

/* 浅色纸张分区 */
.section--paper{
  background:var(--paper);
  color:var(--dark);
  border-top:1px solid #DCD4C6;
  border-bottom:1px solid #DCD4C6;
}
.section--paper h2,
.section--paper h3,
.section--paper h4,
.section--paper .section-head__title{color:var(--dark);}
.section--paper .section-head{border-bottom-color:#DCD4C6;}
.section--paper a{color:#8A5A16;}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1080px){
  .footer-main{
    grid-template-columns:1.4fr repeat(3, minmax(0,.9fr));
  }
  .footer-contact{grid-column:1 / -1;padding-top:6px;}
  .footer-contact__list{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
}

@media (max-width:900px){
  :root{--shell:min(100%, calc(100% - 32px));}

  body{font-size:16px;}

  .status-bar__inner{gap:4px 18px;padding:8px 0;}
  .status-bar__item--end{margin-left:0;}

  .masthead{
    padding:24px 0 20px;
    text-align:left;
  }
  .masthead::before{background:radial-gradient(70% 130% at 12% 0%, rgba(240,138,44,.12), transparent 70%);}
  .masthead__eyebrow{margin-bottom:10px;letter-spacing:.28em;}
  .masthead__brand{font-size:clamp(28px,8.4vw,40px);padding-bottom:10px;}
  .masthead__brand::after{right:auto;width:112px;}
  .masthead__tagline{margin-top:12px;font-size:13px;letter-spacing:.14em;}

  .nav-toggle{display:inline-flex;top:auto;bottom:18px;}

  .site-nav{
    border-top:0;
    max-height:0;
    overflow:hidden;
    transition:max-height .38s var(--ease);
  }
  .site-nav[data-open]{
    max-height:70vh;
    border-top:1px solid var(--line);
  }
  .site-nav__list{flex-direction:column;align-items:stretch;padding:4px 0 10px;}
  .site-nav__item + .site-nav__item{border-left:0;}
  .site-nav__link{
    padding:14px 0;
    border-bottom:1px solid rgba(58,74,99,.6);
    font-size:16px;
  }
  .site-nav__link::after{left:0;right:auto;width:26px;bottom:0;}
  .site-nav__link:hover{background:transparent;}

  .footer-main{
    grid-template-columns:repeat(2, minmax(0,1fr));
    gap:34px 24px;
    padding:44px 0 34px;
  }
  .footer-intro{grid-column:1 / -1;}
  .footer-contact{grid-column:1 / -1;}
  .footer-contact__list{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;padding-bottom:24px;}
}

@media (max-width:560px){
  :root{--shell:min(100%, calc(100% - 26px));}

  .status-bar{font-size:11px;}
  .status-bar__inner{gap:4px 14px;}
  .status-bar__item{font-size:11px;gap:6px;}

  .masthead__brand{letter-spacing:.06em;}
  .nav-toggle{position:static;display:flex;margin-top:16px;}

  .footer-main{grid-template-columns:1fr;gap:30px;}
  .footer-intro{grid-column:auto;}
  .footer-contact{grid-column:auto;}
  .footer-contact__row{grid-template-columns:1fr;gap:2px;}
  .footer-contact__key{padding-top:0;}
  .footer-legal{font-size:11px;letter-spacing:.06em;}

  .grid{gap:16px;}
  .card{padding:18px;}
}

/* ---------- 13. 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;
  }
  .card:hover,
  .btn:hover,
  .footer-link:hover{transform:none;}
}