/* =========================================================
   365亚洲体育 · 共享样式表 /assets/site.css
   框架式 Bento 数据中枢：深黑赛场 + 荧光绿结构 + 数据图层
   ========================================================= */

:root{
  --ink:#05070A;
  --slate:#0E141B;
  --graphite:#223040;
  --neon:#C6FF3D;
  --neon-deep:#8FE01C;
  --electric:#18E0FF;
  --amber:#FF8A2B;
  --indigo:#231A3D;
  --wine:#3A1626;
  --text:#EAF2EC;
  --text-dim:#96A3AE;

  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --pill:999px;

  --frame-gap:clamp(16px,4vw,52px);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shadow-neon:0 18px 40px -22px rgba(198,255,61,.75);
  --shadow-panel:0 30px 60px -34px rgba(0,0,0,.92);
  --dur:.28s;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  overflow-x:clip;
  scroll-behavior:smooth;
  scroll-padding-top:112px;
  -webkit-text-size-adjust:100%;
}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:clamp(16px,0.55vw + 14.4px,17.5px);
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{
  margin:0 0 .55em;
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.16;
  letter-spacing:-.015em;
  color:var(--text);
}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{width:100%;border-collapse:collapse}
hr{border:0;border-top:1px solid var(--graphite)}
::selection{background:var(--neon);color:#05070A}

:focus-visible{
  outline:3px solid var(--electric);
  outline-offset:3px;
  border-radius:8px;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:200;
  padding:10px 20px;
  border-radius:var(--pill);
  background:var(--neon);
  color:#05070A;
  font-weight:800;
  font-size:14px;
  transform:translateY(-180%);
  transition:transform .22s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 框架顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,rgba(5,7,10,.97),rgba(5,7,10,.86));
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--graphite);
}
.site-header::before,
.site-header::after{
  content:"";
  position:absolute;
  bottom:-1px;
  width:16px;
  height:14px;
  border:2px solid rgba(198,255,61,.55);
  opacity:.75;
  pointer-events:none;
}
.site-header::before{left:8px;border-right:0;border-top:0}
.site-header::after{right:8px;border-left:0;border-top:0}

.header-inner{
  width:min(1600px,calc(100% - var(--frame-gap)));
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,28px);
  padding-block:14px;
  transition:padding .3s ease;
}
.site-header[data-scrolled] .header-inner{padding-block:8px}

/* 品牌字标 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand__mark{
  display:grid;
  place-items:center;
  padding:6px 12px;
  border:1.5px solid var(--neon);
  border-radius:var(--pill);
  background:rgba(198,255,61,.07);
  color:var(--neon);
  font-family:var(--font-mono);
  font-weight:700;
  font-size:15px;
  line-height:1;
  transition:background var(--dur) ease,color var(--dur) ease;
}
.brand:hover .brand__mark{background:var(--neon);color:#05070A}
.brand__text{display:flex;flex-direction:column;line-height:1.14}
.brand__name{font-family:var(--font-display);font-weight:900;font-size:17px;letter-spacing:.01em}
.brand__sub{font-size:11px;letter-spacing:.24em;color:var(--text-dim)}
.brand--footer .brand__name{font-size:18px}

/* 导航 */
.site-nav{margin-inline:auto}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__item{display:flex}
.nav-link{
  display:inline-block;
  padding:9px 15px;
  border-radius:var(--pill);
  font-size:15px;
  font-weight:600;
  color:var(--text-dim);
  white-space:nowrap;
  transition:color var(--dur) ease,background var(--dur) ease;
}
.nav-link:hover{color:var(--text);background:rgba(234,242,236,.07)}
.nav-link[aria-current="page"]{
  color:#05070A;
  background:var(--neon);
  font-weight:800;
  box-shadow:var(--shadow-neon);
}

/* 右侧动作区 */
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.season-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 12px;
  border:1px solid var(--graphite);
  border-radius:var(--pill);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--text-dim);
  white-space:nowrap;
}
.season-tag__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--neon);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(198,255,61,.55)}
  70%{box-shadow:0 0 0 9px rgba(198,255,61,0)}
  100%{box-shadow:0 0 0 0 rgba(198,255,61,0)}
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border:1px solid var(--graphite);
  border-radius:var(--radius-sm);
  color:var(--text);
  background:rgba(234,242,236,.04);
  transition:border-color var(--dur) ease,background var(--dur) ease;
}
.nav-toggle:hover{border-color:rgba(198,255,61,.5)}
.nav-toggle__bars{
  display:block;
  position:relative;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}

/* 边框刻度与滚动进度 */
.header-ticks{
  height:7px;
  background-image:repeating-linear-gradient(90deg,var(--graphite) 0 1px,transparent 1px 26px);
  opacity:.85;
}
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:rgba(34,48,64,.7);
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--neon),var(--electric));
  transition:transform .12s linear;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:13px 24px;
  border:1px solid transparent;
  border-radius:var(--pill);
  font-family:var(--font-display);
  font-weight:800;
  font-size:15px;
  line-height:1.2;
  white-space:nowrap;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.btn--primary{
  background:var(--neon);
  color:#05070A;
  box-shadow:var(--shadow-neon);
}
.btn--primary:hover{background:var(--neon-deep);transform:translateY(-1px)}
.btn--outline{
  background:transparent;
  color:var(--text);
  border-color:var(--graphite);
}
.btn--outline:hover{border-color:var(--neon);color:var(--neon)}
.btn--sm{padding:9px 16px;font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,120px);
  background:linear-gradient(180deg,#0E141B 0%,#0A1016 55%,#05070A 100%);
  border-top:1px solid var(--graphite);
}
.footer-ticks{
  height:8px;
  background-image:repeating-linear-gradient(90deg,rgba(198,255,61,.35) 0 2px,transparent 2px 34px);
  opacity:.5;
}
.footer-inner{
  width:min(1600px,calc(100% - var(--frame-gap)));
  margin-inline:auto;
  padding-block:clamp(40px,6vw,72px) 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;
  gap:clamp(22px,3vw,48px);
}
.footer-col{min-width:0}
.footer-col--brand{display:flex;flex-direction:column;gap:14px}
.footer-tagline{
  margin:0;
  max-width:32ch;
  font-size:15px;
  color:var(--text);
}
.footer-note{
  margin:0;
  max-width:34ch;
  font-size:13px;
  color:var(--text-dim);
}
.footer-title{
  margin:0 0 14px;
  font-family:var(--font-display);
  font-size:12px;
  font-weight:800;
  letter-spacing:.22em;
  color:var(--neon);
}
.footer-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  font-size:14.5px;
  color:var(--text-dim);
}
.footer-list a{color:var(--text-dim);transition:color var(--dur) ease}
.footer-list a:hover{color:var(--neon)}
.footer-list--plain li{line-height:1.65}
.footer-contact li{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-size:14px;
  color:var(--text);
}
.footer-contact__label{
  flex:0 0 auto;
  padding:2px 9px;
  border:1px solid var(--graphite);
  border-radius:var(--pill);
  font-family:var(--font-body);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--text-dim);
}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  margin-top:clamp(32px,5vw,56px);
  padding-top:20px;
  border-top:1px solid var(--graphite);
}
.footer-legal{
  margin:0;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--text-dim);
}
.footer-meta__links{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  font-size:13.5px;
  color:var(--text-dim);
}
.footer-meta__links a:hover{color:var(--neon)}

/* ---------- 版面容器 ---------- */
.container{
  width:min(1600px,calc(100% - var(--frame-gap)));
  margin-inline:auto;
}
.section{padding-block:clamp(48px,7vw,96px)}
.section--wide{
  width:min(1600px,calc(100% - var(--frame-gap)));
  margin-inline:auto;
  padding-inline:0;
}
.section--narrow{
  width:min(760px,calc(100% - var(--frame-gap)));
  margin-inline:auto;
}
.band{
  position:relative;
  padding-block:clamp(44px,6vw,88px);
}
.band--indigo{
  background:linear-gradient(160deg,#231A3D 0%,#151029 56%,#0E141B 100%);
  border-top:1px solid var(--graphite);
  border-bottom:1px solid var(--graphite);
}
.band--wine{
  background:linear-gradient(160deg,#3A1626 0%,#1E0D15 58%,#0E141B 100%);
  border-top:1px solid var(--graphite);
  border-bottom:1px solid var(--graphite);
}

/* ---------- 网格与 Bento ---------- */
.grid{display:grid;gap:clamp(14px,2vw,24px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--aside{
  grid-template-columns:minmax(0,1fr) 264px;
  gap:clamp(20px,3vw,40px);
  align-items:start;
}
.bento{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(12px,1.6vw,20px);
}
.bento__cell{grid-column:span 4;min-width:0}
.bento__cell--focus{grid-column:span 7}

/* ---------- 文本组件 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--neon);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--neon)}
.section-title{font-size:clamp(1.6rem,3.6vw,2.75rem)}
.lede{
  max-width:40ch;
  font-size:clamp(1.02rem,1.5vw,1.2rem);
  color:var(--text);
}
.note{
  max-width:44ch;
  font-size:13.5px;
  color:var(--text-dim);
}
.num{
  padding:0 .08em;
  font-family:var(--font-mono);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}

/* ---------- 数据卡片 ---------- */
.card{
  position:relative;
  overflow:hidden;
  padding:clamp(18px,2.2vw,28px);
  border:1px solid var(--graphite);
  border-radius:var(--radius-lg);
  background:var(--slate);
  transition:border-color var(--dur) ease,transform var(--dur) ease;
}
.card:hover{border-color:rgba(198,255,61,.38)}
.card__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.card__title{margin:0;font-size:clamp(1.05rem,1.7vw,1.35rem);font-weight:900}
.card__meta{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-dim);
  white-space:nowrap;
}
.card__body{font-size:15px;color:var(--text-dim)}
.card__body p:last-child{margin-bottom:0}
.card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--neon),transparent);
  opacity:0;
  transform:scaleX(0);
  transform-origin:left center;
}
.reveal.is-visible .card::before{animation:scanline .9s ease-out .1s 1}
@keyframes scanline{
  0%{opacity:0;transform:scaleX(0)}
  30%{opacity:1}
  100%{opacity:0;transform:scaleX(1)}
}

/* ---------- 数据块 ---------- */
.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{
  font-family:var(--font-mono);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  font-size:clamp(2rem,5vw,3.25rem);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--neon);
}
.stat__label{
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--text-dim);
}

/* ---------- 标签 ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border:1px solid var(--graphite);
  border-radius:var(--pill);
  background:rgba(234,242,236,.03);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-dim);
}
.chip--neon{color:var(--neon);border-color:rgba(198,255,61,.42);background:rgba(198,255,61,.09)}
.chip--blue{color:var(--electric);border-color:rgba(24,224,255,.38);background:rgba(24,224,255,.09)}
.chip--amber{color:var(--amber);border-color:rgba(255,138,43,.38);background:rgba(255,138,43,.09)}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--text-dim)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item a:hover{color:var(--neon)}
.breadcrumb__item[aria-current="page"]{color:var(--text)}
.breadcrumb__sep{color:var(--graphite)}

/* ---------- 章节目录 ---------- */
.toc{
  position:sticky;
  top:104px;
  padding:16px;
  border:1px solid var(--graphite);
  border-radius:var(--radius-md);
  background:var(--slate);
}
.toc__list{display:flex;flex-direction:column;gap:2px}
.toc__link{
  display:block;
  padding:9px 12px;
  border-left:2px solid var(--graphite);
  border-radius:0 10px 10px 0;
  font-size:14px;
  color:var(--text-dim);
  transition:color var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease;
}
.toc__link:hover{color:var(--text);background:rgba(234,242,236,.05)}
.toc__link[aria-current="true"]{
  color:var(--neon);
  border-color:var(--neon);
  background:rgba(198,255,61,.07);
}

/* ---------- 折叠面板 ---------- */
.fold{
  overflow:hidden;
  border:1px solid var(--graphite);
  border-radius:var(--radius-md);
  background:var(--slate);
}
.fold + .fold{margin-top:12px}
.fold__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  width:100%;
  padding:16px 20px;
  text-align:left;
}
.fold__head::after{
  content:"＋";
  font-family:var(--font-mono);
  color:var(--neon);
  transition:transform var(--dur) ease;
}
.fold[data-open] .fold__head::after{content:"－"}
.fold__title{font-family:var(--font-display);font-size:16px;font-weight:800}
.fold__body{
  display:none;
  padding:0 20px 20px;
  border-top:1px solid var(--graphite);
  color:var(--text-dim);
  font-size:15px;
}
.fold[data-open] .fold__body{display:block;padding-top:16px}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--graphite);
  border-radius:var(--radius-lg);
  background:
    radial-gradient(120% 90% at 14% 0%,rgba(24,224,255,.18),transparent 62%),
    radial-gradient(110% 80% at 92% 100%,rgba(198,255,61,.16),transparent 64%),
    linear-gradient(140deg,#0E141B,#05070A);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(198,255,61,.09) 0 1px,transparent 1px 14px);
  opacity:.7;
  pointer-events:none;
}
.media-frame__img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame__cap{
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  z-index:2;
  margin:0;
  padding:10px 14px;
  border:1px solid var(--graphite);
  border-radius:var(--radius-sm);
  background:rgba(5,7,10,.74);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  font-size:13px;
  color:var(--text);
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:3 / 4}

/* ---------- 刻度装饰 ---------- */
.tick-rule{
  height:10px;
  border-radius:2px;
  background-image:repeating-linear-gradient(90deg,var(--graphite) 0 1px,transparent 1px 22px);
  opacity:.9;
}
.tick-rule--neon{
  background-image:repeating-linear-gradient(90deg,rgba(198,255,61,.55) 0 2px,transparent 2px 22px);
}

/* ---------- 进场显现 ---------- */
html.js-ready .reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.22,.8,.28,1);
}
html.js-ready .reveal.is-visible{opacity:1;transform:none}

/* ---------- 返回顶部 ---------- */
.back-to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 18px;
  border:1px solid var(--graphite);
  border-radius:var(--pill);
  background:var(--slate);
  color:var(--text);
  font-size:13px;
  font-weight:700;
  box-shadow:var(--shadow-panel);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background var(--dur) ease,color var(--dur) ease;
}
.back-to-top[data-visible]{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--neon);color:#05070A;border-color:var(--neon)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .season-tag{display:none}
}
@media (max-width:1080px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-col--brand{grid-column:span 2}
}
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;
    left:max(12px,env(safe-area-inset-left));
    right:max(12px,env(safe-area-inset-right));
    top:78px;
    margin:0;
    padding:12px;
    border:1px solid var(--graphite);
    border-radius:var(--radius-lg);
    background:linear-gradient(180deg,#0E141B,#070B10);
    box-shadow:var(--shadow-panel);
    opacity:0;
    visibility:hidden;
    transform:translateY(-14px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:translateY(0)}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{
    display:block;
    padding:14px 16px;
    border-radius:var(--radius-sm);
    font-size:16px;
  }
  .nav-link[aria-current="page"]{box-shadow:none}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--aside{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;top:auto}
  .bento__cell,
  .bento__cell--focus{grid-column:span 6}
}
@media (max-width:620px){
  .brand__sub{display:none}
  .brand__name{font-size:16px}
  .brand__mark{padding:5px 10px;font-size:14px}
  .header-actions .btn--sm{padding:8px 12px;font-size:13px}
  .grid--2,
  .grid--3{grid-template-columns:minmax(0,1fr)}
  .bento__cell,
  .bento__cell--focus{grid-column:span 12}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-col--brand{grid-column:span 1}
  .footer-meta{flex-direction:column;align-items:flex-start}
  .back-to-top{padding:10px 14px;font-size:12px}
}

/* ---------- 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js-ready .reveal{opacity:1;transform:none}
  .season-tag__dot{animation:none}
  .site-nav{transition:none}
}