/* ============================================================
   亚博赛场 — 共享样式表 /assets/site.css
   夜间球场战术板：深墨黑底 + 电光青结构线 + 熔岩橙 / 荧光绿数据点
   ============================================================ */

/* ---------- 1. 变量与重置 ---------- */
:root{
  --ink:#06090C;
  --panel:#0E141A;
  --panel-hi:#111A21;
  --line:#1E2A33;
  --cyan:#22E0D6;
  --lava:#FF6A2B;
  --neon:#9CFF3D;
  --white:#F5F9FB;
  --muted:#A8B4BF;
  --mist:rgba(34,224,214,.20);
  --mist-soft:rgba(34,224,214,.10);
  --deep:#123A3C;
  --rail:88px;
  --bar:64px;
  --gutter:clamp(18px,3.4vw,48px);
  --maxw:1320px;
  --mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--bar) + 20px);
}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dt,dd,figure,blockquote,hr{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
hr{border:0}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}

body{
  min-height:100vh;
  padding-top:var(--bar);
  background-color:var(--ink);
  background-image:
    linear-gradient(90deg,rgba(30,42,51,.55) 0 1px,transparent 1px),
    linear-gradient(180deg,rgba(30,42,51,.55) 0 1px,transparent 1px);
  background-size:140px 140px;
  color:var(--white);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.65;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* ---------- 2. 中文排版 ---------- */
h1,.h1{
  font-size:clamp(38px,7vw,96px);
  font-weight:900;
  line-height:1.04;
  letter-spacing:-.01em;
}
h2,.h2{
  font-size:clamp(28px,4.4vw,64px);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.005em;
}
h3,.h3{
  font-size:clamp(20px,2.4vw,28px);
  font-weight:800;
  line-height:1.2;
}
h4,.h4{font-size:18px;font-weight:800;line-height:1.3}
p{max-width:68ch}
.lede{
  font-size:clamp(16px,1.6vw,18px);
  line-height:1.6;
  color:var(--muted);
  max-width:46ch;
}
.prose{color:var(--muted);max-width:68ch}
.prose p + p{margin-top:1em}
.prose strong,.prose b{color:var(--white);font-weight:800}
.prose a{color:var(--cyan);text-decoration:none;border-bottom:1px solid rgba(34,224,214,.45)}
.prose a:hover{border-bottom-color:var(--cyan)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.note-vertical{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.24em;
  color:var(--muted);
}
.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan);flex:0 0 auto}
.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* ---------- 3. 布局骨架 ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.container-narrow{max-width:900px}
.section{padding:clamp(56px,7vw,104px) 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{display:grid;gap:14px;margin-bottom:clamp(28px,4vw,52px)}
.grid{display:grid;gap:clamp(16px,2vw,24px)}
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(16px,2vw,24px)}
.split-5-7,.split-7-5,.split-4-8{display:grid;gap:clamp(20px,3vw,48px);align-items:start}
.split-5-7{grid-template-columns:5fr 7fr}
.split-7-5{grid-template-columns:7fr 5fr}
.split-4-8{grid-template-columns:4fr 8fr}
.rule{height:1px;background:var(--line);width:100%}
.breadcrumb{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:var(--line)}
.breadcrumb a{text-decoration:none;color:var(--muted);transition:color .18s}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--white)}

/* ---------- 4. 通用组件 ---------- */
.panel{
  border:1px solid var(--line);
  background:var(--panel);
  padding:clamp(18px,2.2vw,28px);
  position:relative;
}
.card{
  border:1px solid var(--line);
  background:var(--panel);
  padding:clamp(16px,2vw,24px);
  position:relative;
  transition:border-color .2s ease,background-color .2s ease;
}
.card:hover{border-color:rgba(34,224,214,.5);background:var(--panel-hi)}
.card-title{font-size:19px;font-weight:800;line-height:1.25}
.card-meta{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  padding:3px 8px;
  border:1px solid var(--line);
  color:var(--muted);
  white-space:nowrap;
}
.tag-cyan{border-color:rgba(34,224,214,.8);color:var(--cyan)}
.tag-lava{border-color:rgba(255,106,43,.7);color:var(--lava)}
.tag-neon{border-color:rgba(156,255,61,.6);color:var(--neon)}
.tag-solid-cyan{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}
.tag-solid-lava{background:var(--lava);border-color:var(--lava);color:var(--ink)}

.stat{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(22px,3vw,34px);
  font-weight:700;
  color:var(--white);
  letter-spacing:-.01em;
  line-height:1.1;
}
.stat-label{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  border:1px solid var(--cyan);
  background:transparent;
  color:var(--cyan);
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  text-decoration:none;
  cursor:pointer;
  border-radius:0;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{background:var(--mist);color:var(--white)}
.btn-primary{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}
.btn-primary:hover{background:var(--neon);border-color:var(--neon);color:var(--ink)}
.btn-lava{background:var(--lava);border-color:var(--lava);color:var(--ink)}
.btn-lava:hover{background:var(--white);border-color:var(--white);color:var(--ink)}
.btn-ghost{border-color:var(--line);color:var(--white)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);background:transparent}

/* 图片容器：直角描边 + 青色数据网格叠层 */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  border:1px solid var(--line);
  background:var(--panel);
  overflow:hidden;
}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(34,224,214,.10) 0 1px,transparent 1px 28px),
    repeating-linear-gradient(90deg,rgba(34,224,214,.10) 0 1px,transparent 1px 28px);
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-caption{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--muted);
  margin-top:10px;
  padding-left:10px;
  border-left:1px solid var(--cyan);
}

/* ---------- 5. 头部 ---------- */
.skip-link{
  position:fixed;
  top:-100px;
  left:16px;
  z-index:200;
  padding:10px 16px;
  background:var(--cyan);
  color:var(--ink);
  font-weight:800;
  text-decoration:none;
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:70;
  background:rgba(6,9,12,.94);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:min(260px,38%);
  height:1px;
  background:var(--cyan);
}
.hud-bar{
  height:var(--bar);
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.hud-brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-mark{
  display:inline-flex;
  align-items:baseline;
  gap:10px;
  text-decoration:none;
  color:var(--white);
}
.brand-name{font-size:19px;font-weight:900;letter-spacing:.14em}
.brand-domain{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--muted);
  padding-left:10px;
  border-left:1px solid var(--line);
}
.hud-tools{display:flex;align-items:center;gap:14px}
.hud-link{
  font-size:13.5px;
  color:var(--muted);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.hud-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.hud-lang{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
  border:1px solid var(--line);
  padding:3px 7px;
}
.hud-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  overflow:hidden;
  pointer-events:none;
}
.hud-progress-fill{
  display:block;
  height:100%;
  width:100%;
  background:var(--lava);
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform .12s linear;
}
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  border:1px solid var(--line);
  color:var(--white);
  font-size:13px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle-bars{position:relative;display:block;width:16px;height:10px}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:1.5px;
  background:currentColor;
}
.nav-toggle-bars::before{top:0}
.nav-toggle-bars::after{bottom:0}

/* ---------- 6. 栏目栏 / 移动抽屉 ---------- */
.site-nav{
  position:fixed;
  top:var(--bar);
  left:0;
  bottom:0;
  width:var(--rail);
  z-index:60;
  display:flex;
  flex-direction:column;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel),var(--ink));
  overflow:hidden;
}
.nav-list{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}
.nav-list li{
  flex:1 1 0;
  display:flex;
  min-height:0;
  border-bottom:1px solid var(--line);
}
.nav-list li:last-child{border-bottom:0}
.nav-list a{
  flex:1 1 auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:0;
  text-decoration:none;
  color:var(--muted);
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-list a:hover{background:var(--mist);color:var(--white)}
.nav-list a[aria-current="page"]{
  background:var(--mist-soft);
  color:var(--white);
  box-shadow:inset -2px 0 0 var(--cyan);
}
.nav-idx{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--cyan);
}
.nav-label{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-size:14px;
  letter-spacing:.18em;
}
.nav-note{
  flex:0 0 auto;
  margin:0;
  padding:18px 0 22px;
  border-top:1px solid var(--line);
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.18em;
  color:var(--muted);
  align-self:center;
  opacity:.8;
  max-width:none;
}
body[data-nav-open]{overflow:hidden}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,6vw,88px);
  padding:clamp(48px,6vw,80px) var(--gutter) 28px;
  background:var(--ink);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:min(420px,60%);
  height:1px;
  background:var(--cyan);
}
.foot-grid{
  max-width:var(--maxw);
  margin:0 auto;
  display:grid;
  grid-template-columns:1.5fr .8fr .8fr 1.3fr;
  gap:clamp(28px,3.4vw,44px) clamp(20px,3vw,40px);
}
.foot-brand{display:grid;gap:16px;align-content:start}
.foot-tag{font-size:15px;color:var(--muted);max-width:34ch}
.foot-icp{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.foot-title{
  font-family:var(--mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.2em;
  color:var(--cyan);
  margin-bottom:16px;
}
.foot-list li + li{margin-top:2px}
.foot-link{
  display:inline-block;
  padding:5px 0;
  font-size:15px;
  color:var(--muted);
  text-decoration:none;
  transition:color .18s ease;
}
.foot-link:hover{color:var(--cyan)}
.foot-contact{display:block}
.foot-contact dt{margin-top:14px}
.foot-contact dt:first-of-type{margin-top:0}
.contact-label{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--muted);
}
.contact-value{
  margin-top:4px;
  font-size:15px;
  line-height:1.5;
  color:var(--white);
  word-break:break-word;
  max-width:30ch;
}
.foot-note{
  margin-top:18px;
  padding-left:10px;
  border-left:1px solid var(--line);
  font-size:13px;
  line-height:1.6;
  color:var(--muted);
  max-width:38ch;
}
.foot-legal{
  max-width:var(--maxw);
  margin:clamp(36px,5vw,64px) auto 0;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 24px;
}
.foot-legal-text{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--muted);
  max-width:none;
}

/* ---------- 8. 动效 ---------- */
html.is-motion [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .32s ease,transform .32s ease;
}
html.is-motion [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 9. 无障碍焦点 ---------- */
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}
.nav-list a:focus-visible{outline-offset:-4px}

/* ---------- 10. 响应式 ---------- */
@media (min-width:1080px){
  body{padding-left:var(--rail)}
}

@media (max-width:1079px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    top:0;
    left:auto;
    right:0;
    bottom:0;
    width:min(360px,88vw);
    border-right:0;
    border-left:1px solid var(--line);
    padding:calc(var(--bar) + 18px) 0 28px;
    overflow-y:auto;
    transform:translateX(101%);
    visibility:hidden;
    transition:transform .3s cubic-bezier(.22,.7,.3,1),visibility .3s linear;
  }
  .site-nav[data-open]{transform:none;visibility:visible}
  .nav-list{flex:0 0 auto;height:auto}
  .nav-list li{flex:0 0 auto;border-bottom:1px solid var(--line)}
  .nav-list a{
    flex-direction:row;
    justify-content:flex-start;
    gap:16px;
    padding:15px 22px;
  }
  .nav-list a:hover{background:var(--mist)}
  .nav-list a[aria-current="page"]{
    background:rgba(255,106,43,.10);
    box-shadow:inset 2px 0 0 var(--lava);
  }
  .nav-label{writing-mode:horizontal-tb;font-size:16px;letter-spacing:.08em}
  .nav-idx{color:var(--cyan);font-size:12px}
  .nav-note{
    writing-mode:horizontal-tb;
    padding:18px 22px 0;
    border-top:0;
    margin:0;
    align-self:stretch;
    text-align:left;
    font-size:11px;
  }
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1 / -1}
}

@media (max-width:900px){
  .grid-12{grid-template-columns:repeat(6,1fr)}
  .split-5-7,.split-7-5,.split-4-8{grid-template-columns:1fr}
  .note-vertical{writing-mode:horizontal-tb;letter-spacing:.18em}
}

@media (max-width:720px){
  body{font-size:16px}
  .brand-domain{display:none}
  .hud-link,.hud-lang{display:none}
  .hud-tools{gap:10px}
  .btn{height:36px;padding:0 12px;font-size:13px}
  .foot-legal{flex-direction:column}
}

@media (max-width:560px){
  .foot-grid{grid-template-columns:1fr}
  .contact-value{max-width:none}
  .nav-toggle-text{display:none}
}

/* ---------- 11. 减弱动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  html.is-motion [data-reveal]{opacity:1;transform:none}
  .site-nav{transition:none}
  .hud-progress-fill{transition:none}
}