/* =========================================================
   亚盈体育赛场 — /assets/site.css
   共享外壳：技术蓝图框架 / 夜间赛场控制室
   ========================================================= */

:root{
  --ink:#071B16;
  --ink-deep:#04110D;
  --field:#0E2A22;
  --cream:#F3EAD3;
  --cyan:#39F3D2;
  --orange:#FF8A3D;
  --brown:#1A1410;
  --sage:#8FB3A6;
  --paper-dim:#D8CDB8;
  --ember:#E8542F;
  --yellow:#F5C84C;

  --cream-soft:rgba(243,234,211,.74);
  --line:rgba(57,243,210,.16);
  --line-strong:rgba(57,243,210,.44);
  --grid-line:rgba(57,243,210,.11);
  --blueprint:rgba(57,243,210,.055);

  --f-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --f-num:"Helvetica Neue","Arial Narrow",Arial,"PingFang SC",sans-serif;

  --wrap:1180px;
  --pad:clamp(16px,4vw,40px);
  --head-h:58px;
  --dur:.22s;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-hard:5px 5px 0 var(--brown);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0}
table{border-collapse:collapse;width:100%}

/* ---------- base ---------- */
html{scroll-behavior:smooth}
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    repeating-linear-gradient(to right,var(--blueprint) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(to bottom,var(--blueprint) 0 1px,transparent 1px 72px);
  color:var(--cream);
  font-family:var(--f-sans);
  font-size:clamp(15px,1.02vw,17px);
  font-weight:450;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--cyan);text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
a:hover{text-decoration:underline}
h1,h2,h3,h4,h5,h6{font-weight:800;line-height:1.14;letter-spacing:-.012em}
strong,b{font-weight:800}
hr{border:0;border-top:1px solid var(--line);margin:2em 0}
::selection{background:var(--cyan);color:var(--ink)}

:focus-visible{
  outline:3px solid var(--cyan);
  outline-offset:3px;
  border-radius:1px;
}

#main-content{scroll-margin-top:120px}
#main-content:focus{outline:none}

/* ---------- typography helpers ---------- */
.kicker{
  display:block;
  font-size:.7rem;
  letter-spacing:.2em;
  font-weight:700;
  color:var(--cyan);
  margin:0 0 .6rem;
}
.display{
  font-size:clamp(2.3rem,6.4vw,5rem);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.02;
}
.index-num{
  display:block;
  font-family:var(--f-num);
  font-weight:800;
  font-size:clamp(2.1rem,5vw,3.6rem);
  line-height:.86;
  letter-spacing:-.03em;
  color:transparent;
  -webkit-text-stroke:1.5px var(--cyan);
}
.num{font-family:var(--f-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ---------- layout ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--pad);
}
.section{padding-block:clamp(36px,5vw,72px)}
.prose{max-width:66ch}
.prose p{margin:0 0 1.15em}
.prose p:last-child{margin-bottom:0}
.prose h2{font-size:clamp(1.3rem,2.4vw,1.75rem);margin:1.9em 0 .6em}
.prose h3{font-size:clamp(1.1rem,1.9vw,1.3rem);margin:1.6em 0 .5em}
.prose ul,.prose ol{list-style:disc;padding-left:1.3em;margin:0 0 1.15em}
.prose li{margin:.25em 0}
.prose a{border-bottom:1px solid var(--line-strong)}
.prose a:hover{border-bottom-color:var(--cyan);text-decoration:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.62em 1.05em;
  font-family:var(--f-sans);
  font-size:.88rem;
  font-weight:800;
  letter-spacing:.04em;
  line-height:1.2;
  color:var(--ink);
  background:var(--cyan);
  border:2px solid var(--brown);
  box-shadow:4px 4px 0 var(--brown);
  text-decoration:none;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn:hover{
  background:var(--orange);
  color:var(--brown);
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 var(--brown);
  text-decoration:none;
}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--brown)}
.btn-ghost{
  background:transparent;
  color:var(--cream);
  border-color:var(--line-strong);
  box-shadow:none;
}
.btn-ghost:hover{background:var(--cyan);color:var(--ink);border-color:var(--cyan);box-shadow:none;transform:none}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:200;
  transform:translateY(-180%);
  padding:.6rem 1rem;
  font-size:.85rem;
  font-weight:800;
  color:var(--ink);
  background:var(--cyan);
  border:2px solid var(--brown);
  box-shadow:4px 4px 0 var(--brown);
  text-decoration:none;
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0);text-decoration:none}

/* =========================================================
   HEADER — 框架条
   ========================================================= */
.site-head{
  position:sticky;
  top:0;
  z-index:70;
  background:var(--ink);
  border-bottom:2px solid var(--brown);
  box-shadow:0 1px 0 0 var(--line-strong);
}

.head-inner{
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,24px);
  width:100%;
  max-width:1560px;
  margin-inline:auto;
  padding:10px var(--pad);
  min-height:var(--head-h);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  color:var(--cream);
  text-decoration:none;
  flex:0 0 auto;
}
.brand:hover{text-decoration:none}
.brand-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  background:var(--cyan);
  color:var(--ink);
  font-family:var(--f-num);
  font-weight:800;
  font-size:.92rem;
  letter-spacing:.03em;
  border:2px solid var(--brown);
  box-shadow:3px 3px 0 var(--brown);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.brand:hover .brand-mark{background:var(--orange);color:var(--brown)}
.brand-copy{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-size:1.02rem;font-weight:800;letter-spacing:.03em}
.brand-note{font-size:.64rem;font-weight:600;letter-spacing:.16em;color:var(--sage)}

.head-quick{
  margin:0 0 0 auto;
  font-size:.7rem;
  letter-spacing:.12em;
  color:var(--sage);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.head-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  flex:0 0 auto;
}
.head-actions .btn{font-size:.78rem;padding:.46em .78em;box-shadow:3px 3px 0 var(--brown)}
.head-actions .btn:hover{box-shadow:5px 5px 0 var(--brown)}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:.44em .66em;
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.12em;
  color:var(--cream);
  background:transparent;
  border:2px solid var(--line-strong);
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"]{
  background:var(--cyan);
  color:var(--ink);
  border-color:var(--brown);
}
.nav-toggle-bars{display:grid;gap:3px;width:16px}
.nav-toggle-bar{
  display:block;
  height:2px;
  width:100%;
  background:currentColor;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle-label{line-height:1}

/* ---------- navigation ---------- */
.site-nav{
  background:var(--field);
  border-top:1px solid var(--line);
}
.nav-list{
  display:flex;
  flex-wrap:wrap;
  width:100%;
  max-width:1560px;
  margin-inline:auto;
  padding-inline:var(--pad);
}
.nav-item{display:flex}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  padding:.62rem .95rem;
  font-size:.84rem;
  font-weight:600;
  letter-spacing:.05em;
  color:var(--cream);
  text-decoration:none;
  border-left:1px solid var(--grid-line);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-item:first-child .nav-link{border-left:0}
.nav-link:hover,
.nav-link:focus-visible{
  background:rgba(57,243,210,.15);
  color:var(--cyan);
  text-decoration:none;
}
.nav-link[aria-current="page"]{
  background:var(--cyan);
  color:var(--ink);
  font-weight:800;
}
.nav-link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  background:var(--orange);
}
.nav-link[aria-current="page"]:hover{color:var(--ink);background:var(--cyan)}

.nav-foot{
  display:none;
  margin:22px 0 0;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:.7rem;
  letter-spacing:.15em;
  color:var(--sage);
  line-height:1.9;
}

/* 滚动进度 */
.head-progress{
  position:absolute;
  left:0;
  bottom:-2px;
  width:100%;
  height:2px;
  background:var(--cyan);
  transform:scaleX(var(--progress,0));
  transform-origin:0 50%;
  pointer-events:none;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-foot{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:var(--ink-deep);
  border-top:3px solid var(--brown);
}
.site-foot::before{
  content:"";
  position:absolute;
  top:-3px;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--cyan) 0 16%,transparent 16% 84%,var(--orange) 84% 100%);
}
.foot-inner{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(32px,5vw,64px) var(--pad) clamp(20px,3vw,28px);
}
.foot-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(28px,4vw,56px);
}
.foot-lead{min-width:0}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-mark{
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  flex:0 0 auto;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--f-num);
  font-weight:800;
  font-size:1rem;
  border:2px solid var(--brown);
  box-shadow:3px 3px 0 var(--brown);
}
.foot-brand-text{display:flex;flex-direction:column;line-height:1.2}
.foot-name{font-size:1.12rem;font-weight:800;letter-spacing:.03em;color:var(--cream)}
.foot-sub{font-size:.7rem;font-weight:600;letter-spacing:.15em;color:var(--sage)}
.foot-note{
  margin-top:16px;
  max-width:34ch;
  font-size:.84rem;
  line-height:1.85;
  color:var(--cream-soft);
}
.foot-update{
  margin-top:12px;
  display:inline-block;
  padding:.18em .6em;
  font-size:.7rem;
  letter-spacing:.12em;
  color:var(--yellow);
  border:1px solid rgba(245,200,76,.42);
}
.foot-nav{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(18px,3vw,32px);
}
.foot-col{min-width:0}
.foot-col-title{
  font-size:.7rem;
  font-weight:800;
  letter-spacing:.18em;
  color:var(--cyan);
  padding-bottom:8px;
  margin-bottom:10px;
  border-bottom:1px solid var(--line);
}
.foot-list{display:flex;flex-direction:column;gap:6px}
.foot-link{
  display:inline-block;
  font-size:.88rem;
  color:var(--cream-soft);
  border-bottom:1px solid transparent;
  padding-block:1px;
}
.foot-link:hover,
.foot-link:focus-visible{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
  text-decoration:none;
}
.foot-link[aria-current="page"]{color:var(--orange);border-bottom-color:var(--orange)}

.foot-base{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  margin-top:clamp(28px,4vw,46px);
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:.76rem;
  color:var(--sage);
  line-height:1.7;
}
.foot-contact{min-width:0;word-break:break-word}
.foot-legal{letter-spacing:.06em}
.foot-copy{letter-spacing:.06em}

/* =========================================================
   SHARED COMPONENTS
   ========================================================= */

/* 面包屑 */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45em;
  margin:0 0 1.4rem;
  padding:0;
  list-style:none;
  font-size:.72rem;
  letter-spacing:.1em;
  color:var(--sage);
}
.crumbs li{display:flex;align-items:center;gap:.45em}
.crumbs li+li::before{content:"/";color:var(--line-strong)}
.crumbs a{color:var(--cream-soft);border-bottom:1px solid transparent}
.crumbs a:hover{color:var(--cyan);border-bottom-color:var(--cyan);text-decoration:none}
.crumbs [aria-current="page"]{color:var(--cyan)}

/* 展签 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:.45em;
  padding:.2em .62em;
  font-size:.68rem;
  font-weight:800;
  letter-spacing:.14em;
  line-height:1.6;
  color:var(--cyan);
  border:1px solid var(--cyan);
  background:transparent;
  white-space:nowrap;
}
.tag--fill{background:var(--cream);color:var(--ink);border-color:var(--brown)}
.tag--orange{color:var(--orange);border-color:var(--orange)}
.tag--dim{color:var(--sage);border-color:rgba(143,179,166,.5)}

/* 媒体容器（页面阶段放 <img> 或占位内容） */
.media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/10;
  overflow:hidden;
  border:3px solid var(--brown);
  box-shadow:var(--shadow-hard);
  background:
    linear-gradient(180deg,rgba(57,243,210,.14),rgba(7,27,22,.9)),
    repeating-linear-gradient(135deg,rgba(57,243,210,.08) 0 2px,transparent 2px 11px),
    var(--field);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(205deg,rgba(57,243,210,.26),transparent 46%,rgba(255,138,61,.22));
  mix-blend-mode:screen;
}

/* 比分条骨架 */
.score-band{
  display:grid;
  gap:0;
  width:100%;
  border:3px solid var(--brown);
  background:var(--field);
  box-shadow:var(--shadow-hard);
  font-family:var(--f-num);
  font-variant-numeric:tabular-nums;
  overflow:hidden;
}
.score-band__cell{
  display:flex;
  align-items:baseline;
  gap:.4em;
  padding:.55rem .8rem;
  border-left:1px solid var(--line);
}
.score-band__cell:first-child{border-left:0}
.score-band__value{
  font-size:clamp(1.5rem,3.4vw,2.2rem);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--cyan);
}
.score-band__value--lead{color:var(--orange)}
.score-band__unit{font-size:.68rem;letter-spacing:.14em;color:var(--sage)}

/* 显现动效 */
.js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
.js [data-reveal].is-in{opacity:1;transform:none}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (min-width:760px){
  .foot-grid{grid-template-columns:minmax(230px,1fr) minmax(0,1.7fr)}
  .foot-nav{grid-template-columns:repeat(3,minmax(0,1fr))}
  .foot-base{
    grid-template-columns:1fr auto;
    align-items:end;
    column-gap:28px;
  }
  .foot-legal{justify-self:end;text-align:right}
  .foot-copy{grid-column:1 / -1}
}

@media (max-width:900px){
  .head-quick{display:none}
  .nav-toggle{display:inline-flex}

  .site-nav{
    position:fixed;
    top:0;
    right:0;
    z-index:80;
    display:block;
    width:min(84vw,330px);
    height:100dvh;
    padding:88px 20px 32px;
    overflow-y:auto;
    background:var(--field);
    border-left:3px solid var(--brown);
    border-top:0;
    box-shadow:-24px 0 44px rgba(0,0,0,.5);
    transform:translateX(102%);
    visibility:hidden;
    transition:transform .3s var(--ease),visibility .3s linear;
  }
  .site-nav[data-open]{
    transform:translateX(0);
    visibility:visible;
  }
  .nav-list{
    flex-direction:column;
    flex-wrap:nowrap;
    max-width:none;
    padding-inline:0;
  }
  .nav-item{display:block;width:100%}
  .nav-link{
    display:block;
    padding:.9rem .5rem;
    font-size:1rem;
    border-left:0;
    border-bottom:1px solid var(--line);
  }
  .nav-link[aria-current="page"]::after{height:2px}
  .nav-foot{display:block}
}

@media (max-width:560px){
  .head-actions .btn-cta{display:none}
  .brand-note{display:none}
  .brand-mark{width:34px;height:34px;font-size:.82rem}
  .brand-name{font-size:.94rem}
  .foot-note{max-width:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .site-nav{transition:none}
  .btn:hover{transform:none}
}