/* =========================================================
   开云安装 · 共享样式 /assets/site.css
   夜间球场指挥中心 · 极简文字建筑 · 精密网格
   ========================================================= */

*,*::before,*::after{box-sizing:border-box}

:root{
  --ink:#07130F;
  --panel:#0E231B;
  --line:#1C3B2E;
  --lime:#9BE564;
  --signal:#FF7A1A;
  --cream:#F1EAD9;
  --stone:#A7B5A9;
  --red:#E05243;
  --yellow:#F2C94C;
  --clay:#58766A;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --shell:1320px;
  --gutter:72px;
  --radius-pill:999px;
  --ease:180ms ease;
}

@media (max-width:1200px){
  :root{--gutter:40px;}
}
@media (max-width:720px){
  :root{--gutter:20px;}
}

html{-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth;}
}

body{
  margin:0;
  background:var(--ink);
  color:var(--cream);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img,svg,video,canvas{display:block;max-width:100%;}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl,dd,fieldset{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;}
button{font:inherit;color:inherit;background:none;border:0;}
::selection{background:var(--lime);color:#07130F;}

:where(a,button,[tabindex],summary,input,select,textarea):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:2px;
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* ---------- 排版骨架 ---------- */
h1{
  font-size:clamp(38px,6.2vw,88px);
  font-weight:900;
  line-height:.98;
  letter-spacing:-.035em;
  color:var(--cream);
}
h2{
  font-size:clamp(24px,3.2vw,40px);
  font-weight:900;
  line-height:1.14;
  letter-spacing:-.02em;
  color:var(--cream);
}
h3{
  font-size:20px;
  font-weight:800;
  line-height:1.35;
  letter-spacing:-.01em;
  color:var(--cream);
}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}

[id]{scroll-margin-top:110px;}

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

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{
  content:"";
  width:26px;height:1px;
  background:var(--lime);
  flex:0 0 26px;
}

.lede{
  max-width:32em;
  font-size:clamp(16px,1.35vw,19px);
  line-height:1.78;
  color:var(--stone);
}
.measure{max-width:34em;}
.measure p{color:var(--stone);}

.rule{
  height:1px;
  border:0;
  margin:0;
  background:var(--line);
}

/* ---------- 容器与区块 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.container--narrow{max-width:900px;}

.section{padding-block:64px;}
.section--tight{padding-block:40px;}

.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px 28px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:36px;
}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:24px;}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}

@media (max-width:1000px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .grid--2,.grid--3,.grid--4,.grid--auto{grid-template-columns:minmax(0,1fr);}
  .grid{gap:16px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 22px;
  border:1px solid transparent;
  border-radius:4px;
  font-size:15px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:.01em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color var(--ease),border-color var(--ease),color var(--ease),transform var(--ease);
}
.btn--sm{padding:10px 16px;font-size:13.5px;}
.btn--signal{background:var(--signal);border-color:var(--signal);color:#14100A;}
.btn--signal:hover{background:#FF9544;border-color:#FF9544;}
.btn--lime{background:var(--lime);border-color:var(--lime);color:#07130F;}
.btn--lime:hover{background:#B4EE8C;border-color:#B4EE8C;}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--cream);}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn:active{transform:translateY(1px);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.1em;
  line-height:1.6;
  color:var(--stone);
  white-space:nowrap;
}
.tag--lime{color:var(--lime);border-color:rgba(155,229,100,.42);background:rgba(155,229,100,.08);}
.tag--red{color:var(--red);border-color:rgba(224,82,67,.45);background:rgba(224,82,67,.1);}
.tag--yellow{color:var(--yellow);border-color:rgba(242,201,76,.45);background:rgba(242,201,76,.1);}

/* ---------- 数据读数 ---------- */
.data-figure{
  font-family:var(--font-mono);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1;
  letter-spacing:-.03em;
  color:var(--cream);
}
.data-figure--xl{font-size:clamp(44px,7vw,84px);}
.data-figure--lg{font-size:clamp(30px,4vw,46px);}
.data-figure__unit{
  margin-left:6px;
  font-size:.32em;
  font-weight:500;
  letter-spacing:.06em;
  color:var(--stone);
  vertical-align:baseline;
}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  overflow:hidden;
  padding:24px;
  background:var(--panel);
  border:1px solid var(--line);
  transition:border-color 220ms ease,background-color 220ms ease;
}
.card:hover{border-color:rgba(155,229,100,.55);}
.card::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(100deg,transparent 0%,rgba(155,229,100,.14) 50%,transparent 100%);
  transform:translateX(-115%);
  transition:transform 560ms ease;
}
.card:hover::after{transform:translateX(115%);}
@media (prefers-reduced-motion:reduce){
  .card::after{display:none;}
}

/* ---------- 图片容器基础规则 ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  width:100%;
  border:1px solid var(--line);
  background-color:#0A1A14;
  background-image:
    repeating-linear-gradient(0deg,rgba(28,59,46,.55) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(90deg,rgba(28,59,46,.55) 0 1px,transparent 1px 40px);
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(155,229,100,.07);
  background:linear-gradient(180deg,rgba(7,19,15,0) 42%,rgba(7,19,15,.66) 100%);
}
.media img{width:100%;height:100%;object-fit:cover;}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--3x2{aspect-ratio:3/2;}
.media--tall{aspect-ratio:3/4;}
.media__caption{
  position:absolute;
  left:0;bottom:0;
  z-index:1;
  margin:0;
  padding:9px 14px;
  border-top:1px solid var(--line);
  border-right:1px solid var(--line);
  background:rgba(7,19,15,.8);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--cream);
}
.media__tag{position:absolute;top:10px;left:10px;z-index:1;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0 10px;
  margin:0 0 28px;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--clay);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:10px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{
  color:var(--stone);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.breadcrumb a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.breadcrumb [aria-current="page"]{color:var(--cream);}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:300;
  padding:11px 20px;
  border-radius:4px;
  background:var(--lime);
  color:#07130F;
  font-size:14px;
  font-weight:900;
  text-decoration:none;
  transform:translateY(-180%);
  transition:transform var(--ease);
}
.skip-link:focus-visible{
  transform:translateY(0);
  outline:3px solid var(--cream);
  outline-offset:2px;
}

/* =========================================================
   头部
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  padding:20px 0 0;
  background:linear-gradient(180deg,#07130F 0%,rgba(7,19,15,.9) 72%,rgba(7,19,15,.72) 100%);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}

.header-shell{
  display:flex;
  align-items:center;
  gap:20px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  text-decoration:none;
  color:var(--cream);
}
.brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  flex:0 0 42px;
  border:1px solid var(--line);
  border-radius:4px;
  background:rgba(155,229,100,.07);
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  transition:border-color var(--ease),background-color var(--ease);
}
.brand:hover .brand__mark{border-color:rgba(155,229,100,.6);background:rgba(155,229,100,.14);}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{
  font-size:17px;
  font-weight:900;
  letter-spacing:.01em;
  color:var(--cream);
}
.brand__tag{
  margin-top:4px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.06em;
  color:var(--clay);
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:10px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(14,35,27,.92);
  color:var(--cream);
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:16px;height:2px;
  border-radius:1px;
  background:currentColor;
  transition:background-color var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:2px;
  border-radius:1px;
  background:currentColor;
  transition:transform 200ms 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__label{line-height:1;}

/* 胶囊导航 */
.nav{
  display:flex;
  align-items:center;
  gap:14px;
  margin-inline:auto;
}
.nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  padding:6px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(14,35,27,.8);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:0 14px 34px rgba(0,0,0,.38);
}
.nav__item{display:block;}
.nav__link{
  display:block;
  padding:8px 15px;
  border-radius:var(--radius-pill);
  font-size:13.5px;
  font-weight:700;
  line-height:1.45;
  letter-spacing:.01em;
  color:var(--stone);
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--ease),background-color var(--ease);
}
.nav__link:hover{color:var(--cream);background:rgba(155,229,100,.12);}
.nav__link[aria-current="page"]{background:var(--lime);color:#07130F;}
.nav__link[aria-current="page"]:hover{background:var(--lime);color:#07130F;}
.nav__cta{flex:0 0 auto;}

/* 滚动进度轨 */
.header-rail{
  height:1px;
  margin-top:14px;
  width:100%;
  overflow:hidden;
  background:rgba(28,59,46,.85);
}
.header-rail__bar{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--lime) 0%,var(--signal) 100%);
  transition:transform 100ms linear;
}

/* 头部响应式 */
@media (max-width:1080px){
  .nav{
    position:absolute;
    top:calc(100% + 10px);
    left:var(--gutter);
    right:var(--gutter);
    z-index:120;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    margin:0;
  }
  .nav[data-open="true"]{display:flex;}
  .nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:10px;
    border-radius:20px;
    background:#0E231B;
    box-shadow:0 30px 64px rgba(0,0,0,.6);
  }
  .nav__link{
    padding:12px 16px;
    border-radius:12px;
    font-size:15px;
  }
  .nav__cta{
    width:100%;
    padding:14px 18px;
    border-radius:14px;
  }
  .nav-toggle{display:inline-flex;}
}

@media (max-width:560px){
  .brand__tag{display:none;}
  .brand__mark{width:38px;height:38px;flex:0 0 38px;}
  .brand__name{font-size:16px;}
  .site-header{padding-top:14px;}
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  position:relative;
  margin-top:96px;
  padding:60px 0 28px;
  border-top:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(14,35,27,0) 0%,rgba(14,35,27,.62) 100%),
    var(--ink);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(155,229,100,.5),transparent);
}

.footer-shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.footer-top{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.6fr;
  gap:40px 36px;
  align-items:start;
}

.footer-brand__name{
  display:inline-block;
  font-size:26px;
  font-weight:900;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--cream);
  text-decoration:none;
  transition:color var(--ease);
}
.footer-brand__name:hover{color:var(--lime);}
.footer-brand__summary{
  max-width:32em;
  margin-top:14px;
  font-size:13.5px;
  line-height:1.8;
  color:var(--stone);
}
.footer-brand__status{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-top:20px;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--lime);
}
.footer-dot{
  width:6px;height:6px;
  flex:0 0 6px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(155,229,100,.16);
}

.footer-col__title{
  margin:0 0 16px;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--clay);
}
.footer-col__list{display:grid;gap:10px;}
.footer-col__link{
  display:inline-block;
  font-size:14px;
  line-height:1.6;
  color:var(--stone);
  text-decoration:none;
  transition:color var(--ease),transform var(--ease);
}
.footer-col__link:hover{color:var(--lime);transform:translateX(2px);}

.footer-contact__list{display:grid;gap:12px;}
.footer-contact__item{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:10px;
  font-size:13px;
  line-height:1.65;
  color:var(--cream);
  word-break:break-word;
}
.footer-contact__label{
  padding-top:3px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--clay);
}
.footer-contact__note{
  margin-top:16px;
  padding-left:12px;
  border-left:2px solid var(--line);
  font-size:12px;
  line-height:1.78;
  color:var(--stone);
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px 28px;
  margin-top:56px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.footer-legal__links{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
}
.footer-legal__link{
  font-size:13px;
  color:var(--stone);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.footer-legal__link:hover{color:var(--lime);border-bottom-color:var(--lime);}
.footer-legal__meta{
  margin:0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.04em;
  color:var(--clay);
}

@media (max-width:1000px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 28px;}
}
@media (max-width:620px){
  .site-footer{margin-top:64px;padding-top:44px;}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-legal{margin-top:36px;}
}

/* =========================================================
   滚动显现 + 返回顶部
   ========================================================= */
[data-reveal]{transition:opacity 520ms ease,transform 520ms ease;}
[data-reveal="out"]{opacity:0;transform:translateY(14px);}
[data-reveal="in"]{opacity:1;transform:none;}

.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;height:46px;
  border:1px solid var(--line);
  border-radius:50%;
  background:rgba(14,35,27,.95);
  color:var(--lime);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity 220ms ease,transform 220ms ease,visibility 220ms,border-color var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none;}
.to-top:hover{border-color:var(--lime);background:rgba(155,229,100,.14);}
.to-top__icon{font-size:16px;line-height:1;}

@media (max-width:620px){
  .to-top{right:16px;bottom:16px;width:42px;height:42px;}
}