/* =========================================================
   球盟会体育 · 共享样式 /assets/site.css
   ========================================================= */

:root{
  --ink:#07130F;
  --ink-2:#0C2019;
  --moss:#123A2E;
  --cyan:#2FE8C6;
  --cyan-soft:#7CF3DE;
  --flame:#FF5A2B;
  --flame-soft:#FFB199;
  --paper:#E8E4D8;
  --paper-hi:#F5F2E9;
  --stone:#9AA79F;
  --clay:#B8704A;
  --line:rgba(47,232,198,.16);
  --line-2:rgba(47,232,198,.34);
  --line-soft:rgba(232,228,216,.12);
  --rail-w:264px;
  --topbar-h:62px;
  --container:1160px;
  --gutter:clamp(18px,4vw,56px);
  --font-display:"Archivo Narrow","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
}

/* ---------- 重置与基础排版 ---------- */
*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}
html[data-nav-open]{overflow:hidden}

body{
  margin:0;
  padding-left:var(--rail-w);
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(232,228,216,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,228,216,.035) 1px, transparent 1px),
    radial-gradient(1100px 620px at 88% -6%, rgba(47,232,198,.13), transparent 62%),
    radial-gradient(900px 560px at -8% 104%, rgba(184,112,74,.13), transparent 60%),
    linear-gradient(168deg, #07130F 0%, #0A1A14 46%, #07130F 100%);
  background-size:64px 64px, 64px 64px, auto, auto, auto;
  background-repeat:repeat, repeat, no-repeat, no-repeat, no-repeat;
  background-attachment:fixed, fixed, fixed, fixed, fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  color:var(--paper-hi);
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-.005em;
}
h1{font-size:clamp(34px,6vw,72px);font-weight:900;line-height:1.02;letter-spacing:-.018em}
h2{font-size:clamp(26px,4vw,46px)}
h3{font-size:clamp(18px,2.2vw,24px)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{padding-left:1.25em;margin:0 0 1.1em}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--cyan-soft)}
img,svg{max-width:100%;display:block}
button{font:inherit;color:inherit;border-radius:0}
code,kbd,samp{font-family:var(--font-mono);font-size:.92em}
::selection{background:var(--flame);color:#180A04}
:focus-visible{outline:2px solid var(--cyan-soft);outline-offset:3px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#07130F}
::-webkit-scrollbar-thumb{background:rgba(47,232,198,.22)}
::-webkit-scrollbar-thumb:hover{background:rgba(47,232,198,.42)}

/* ---------- 容器与骨架 ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.page{display:block}
main{display:block;padding-top:clamp(20px,3.4vw,48px)}
.stack{display:flex;flex-direction:column;gap:clamp(12px,1.6vw,20px)}

.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--split{grid-template-columns:minmax(0,3fr) minmax(0,9fr)}
.grid--even{grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr))}

/* ---------- 章节节奏 ---------- */
.section{padding-block:clamp(40px,6vw,88px)}
.section--tight{padding-block:clamp(22px,3vw,42px)}
.section--band{
  background:linear-gradient(180deg, rgba(18,58,46,.55), rgba(12,32,25,.28));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section__index{
  display:block;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.24em;
  color:var(--clay);
  margin:0 0 12px;
}
.section__title{
  margin:0 0 .42em;
  font-size:clamp(26px,4.2vw,50px);
  font-weight:900;
}
.section__lede{
  max-width:62ch;
  margin:0;
  color:var(--stone);
  font-size:15.5px;
  line-height:1.8;
}
.rule{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg, var(--cyan), rgba(47,232,198,.28) 42%, rgba(47,232,198,0) 100%);
}

/* ---------- 面板与数据条带 ---------- */
.panel{
  background:linear-gradient(180deg, rgba(12,32,25,.92), rgba(7,19,15,.92));
  border:1px solid var(--line);
  padding:clamp(16px,2.4vw,28px);
}
.panel__head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px;
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.panel__title{
  margin:0;
  font-family:var(--font-display);
  font-size:18px;
  font-weight:800;
  color:var(--paper-hi);
}

.data-strip{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(160px,100%),1fr));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg, rgba(47,232,198,.07), rgba(255,90,43,.05));
}
.data-strip__item{
  padding:18px 20px;
  border-right:1px solid var(--line);
}
.data-strip__item:last-child{border-right:0}
.data-strip__value{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(20px,2.6vw,30px);
  line-height:1.15;
  color:var(--cyan);
}
.data-strip__label{
  display:block;
  margin-top:6px;
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--stone);
}

/* ---------- 标签与注释 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 8px;
  border:1px solid var(--line-2);
  background:rgba(47,232,198,.06);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  line-height:1.4;
}
.tag--clay{border-color:rgba(184,112,74,.55);color:var(--clay);background:rgba(184,112,74,.08)}
.tag--price{border-color:var(--flame);color:var(--flame-soft);background:rgba(255,90,43,.1)}
.meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--stone)}
.mono{font-family:var(--font-mono)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 16px;
  border:1px solid var(--line-2);
  background:transparent;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:13.5px;
  letter-spacing:.05em;
  line-height:1.4;
  text-align:center;
  cursor:pointer;
  transition:background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{color:var(--paper-hi)}
.btn--primary{
  background:var(--flame);
  border-color:var(--flame);
  color:#180A04;
  font-weight:600;
}
.btn--primary:hover{background:var(--flame-soft);border-color:var(--flame-soft);color:#180A04}
.btn--ghost{color:var(--cyan);border-color:var(--line-2)}
.btn--ghost:hover{background:rgba(47,232,198,.1);color:var(--cyan-soft)}
.btn--quiet{border-color:transparent;color:var(--stone);padding-inline:0}
.btn--quiet:hover{color:var(--cyan)}
.btn--block{width:100%}

.copy-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background-color .2s ease, border-color .2s ease, color .2s ease;
}
.copy-btn:hover{background:rgba(47,232,198,.08);border-color:var(--line-2);color:var(--cyan-soft)}
.copy-btn::after{content:"复制";font-family:var(--font-body);font-size:10.5px;letter-spacing:.12em;color:var(--stone)}
.copy-btn[data-copied]::after{content:"已复制";color:var(--flame-soft)}
.copy-btn[data-copied]{border-color:var(--flame);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-top:16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--stone);
}
.breadcrumb__item{color:var(--stone)}
.breadcrumb__item:hover{color:var(--cyan)}
.breadcrumb__item[aria-current="page"]{color:var(--paper)}
.breadcrumb__sep{color:rgba(154,167,159,.5)}

/* ---------- 图片容器基础（页面阶段放置占位或图片） ---------- */
.media{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16 / 9;
  background-color:#0A1A14;
  background-image:
    linear-gradient(135deg, rgba(47,232,198,.1), rgba(7,19,15,0) 46%),
    repeating-linear-gradient(0deg, rgba(232,228,216,.05) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(232,228,216,.05) 0 1px, transparent 1px 32px);
}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media img{width:100%;height:100%;object-fit:cover}
.media__corner{
  position:absolute;
  top:8px;
  left:8px;
  width:14px;
  height:14px;
  border-top:1px solid var(--cyan);
  border-left:1px solid var(--cyan);
  opacity:.75;
}
.media__caption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:10px 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--paper);
  background:linear-gradient(0deg, rgba(7,19,15,.92), rgba(7,19,15,0));
}

/* ---------- 显现 ---------- */
[data-reveal]{transition:opacity .5s ease, transform .5s ease}
html[data-js] [data-reveal]:not([data-revealed]){opacity:0;transform:translateY(14px)}

/* =========================================================
   头部 · 左侧轨道
   ========================================================= */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:300;
  padding:10px 16px;
  background:var(--flame);
  color:#180A04;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  text-decoration:none;
  transform:translateY(-220%);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0);color:#180A04}

.progress-bar{
  position:fixed;
  top:0;
  left:var(--rail-w);
  right:0;
  height:2px;
  z-index:120;
  background:rgba(232,228,216,.08);
  pointer-events:none;
}
.progress-bar__fill{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg, var(--cyan), var(--cyan-soft) 58%, var(--flame));
  transition:width .12s linear;
}

.site-header{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:var(--rail-w);
  z-index:110;
  display:flex;
  flex-direction:column;
  background:linear-gradient(180deg, #07130F 0%, #0C2019 52%, #07130F 100%);
  border-right:1px solid var(--line);
}

.rail{
  position:relative;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  min-height:0;
  padding:26px 22px 22px;
  overflow-y:auto;
}
.rail::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:8px;
  height:100%;
  pointer-events:none;
  background-image:repeating-linear-gradient(180deg, rgba(47,232,198,.32) 0 1px, transparent 1px 14px);
  background-repeat:no-repeat;
  background-size:8px 100%;
  opacity:.55;
}

.brand-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  position:relative;
  z-index:3;
}

.brand{display:flex;align-items:center;gap:10px;color:var(--paper)}
.brand:hover{color:var(--paper)}
.brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 34px;
  width:34px;
  height:34px;
  border:1px solid var(--cyan);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
}
.brand__text{display:block;min-width:0}
.brand__name{
  display:block;
  font-family:var(--font-display);
  font-weight:800;
  font-size:17px;
  line-height:1.2;
  letter-spacing:.02em;
  color:var(--paper-hi);
}
.brand__line{
  display:block;
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.4;
  color:var(--stone);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  border:1px solid var(--line-2);
  background:transparent;
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  cursor:pointer;
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:5px;width:18px}
.nav-toggle__bars span{display:block;height:1px;background:currentColor;transition:transform .2s ease}
.nav-toggle__label{line-height:1}
.site-header[data-open] .nav-toggle__bars span:first-child{transform:translateY(3px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:last-child{transform:translateY(-3px) rotate(-45deg)}

.rail__body{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
}

.rail__tagline{
  margin:18px 0 0;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  font-size:12.5px;
  letter-spacing:.06em;
  line-height:1.6;
  color:var(--stone);
}

.rail__nav{margin-top:18px}
.nav-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:2px;
  counter-reset:nav;
}
.nav-link{
  display:grid;
  grid-template-columns:22px minmax(0,1fr);
  align-items:baseline;
  gap:10px;
  padding:9px 10px 9px 8px;
  border-left:1px solid transparent;
  color:var(--paper);
  font-size:14.5px;
  letter-spacing:.04em;
  line-height:1.5;
  transition:color .2s ease, border-color .2s ease, background-color .2s ease;
}
.nav-link::before{
  counter-increment:nav;
  content:counter(nav, decimal-leading-zero);
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.06em;
  color:var(--stone);
}
.nav-link:hover{
  color:var(--cyan);
  border-left-color:var(--line-2);
  background:rgba(47,232,198,.05);
}
.nav-link[aria-current="page"]{
  color:var(--cyan);
  border-left-color:var(--flame);
  background:rgba(47,232,198,.07);
}
.nav-link[aria-current="page"]::before{color:var(--flame)}

.rail__actions{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.rail__meta{
  margin:16px 0 0;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.08em;
  color:var(--stone);
}

.nav-scrim{
  position:fixed;
  inset:0;
  z-index:1;
  background:rgba(4,10,8,.74);
  opacity:0;
  pointer-events:none;
  transition:opacity .26s ease;
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  padding-top:clamp(32px,4vw,56px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,26,20,.4), #0A1A14 42%, #07130F 100%);
}
.footer__grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3, minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}
.footer__brand{display:flex;flex-direction:column;gap:12px}
.footer__desc{
  margin:0;
  max-width:34ch;
  font-size:13.5px;
  line-height:1.75;
  color:var(--stone);
}
.footer__addr{
  margin:0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.04em;
  color:rgba(154,167,159,.85);
}
.footer__col{min-width:0}
.footer__title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.2em;
  color:var(--clay);
}
.footer__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:9px;
}
.footer__link{
  width:fit-content;
  color:var(--paper);
  font-size:14px;
  border-bottom:1px solid transparent;
  transition:color .2s ease, border-color .2s ease;
}
.footer__link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}

.footer__contact{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 18px;
  margin-top:clamp(24px,3vw,40px);
  padding-top:20px;
  border-top:1px solid var(--line);
}
.footer__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--stone);
}
.footer__hours{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--stone);
}

.footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:22px;
  padding-bottom:28px;
  border-top:1px solid var(--line-soft);
  padding-top:18px;
}
.footer__legal,.footer__note{
  margin:0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.05em;
  color:var(--stone);
}
.footer__note{color:rgba(154,167,159,.75)}

.brand--footer .brand__name{font-size:16px}

/* =========================================================
   响应式
   ========================================================= */
@media (min-width:1600px){
  :root{--rail-w:288px;--container:1240px}
}

@media (max-width:1023px){
  body{padding-left:0;padding-top:var(--topbar-h)}

  .progress-bar{left:0}

  .site-header{
    top:0;left:0;right:0;bottom:auto;
    width:100%;
    height:var(--topbar-h);
    border-right:0;
    border-bottom:1px solid var(--line);
    background:linear-gradient(180deg, #081712, #0B1E18);
    display:block;
  }
  .rail{
    height:100%;
    padding:0;
    overflow:visible;
  }
  .rail::before{display:none}

  .brand-wrap{
    height:var(--topbar-h);
    padding:0 16px;
    background:rgba(7,19,15,.94);
    border-bottom:1px solid rgba(47,232,198,.08);
  }
  .nav-toggle{display:inline-flex}

  .rail__body{
    position:fixed;
    top:0;
    bottom:0;
    left:0;
    width:min(88vw,370px);
    z-index:2;
    padding:calc(var(--topbar-h) + 22px) 20px 34px;
    border-right:1px solid var(--line);
    background:linear-gradient(168deg, #07130F, #0C2019 58%, #07130F);
    overflow-y:auto;
    transform:translateX(-102%);
    visibility:hidden;
    transition:transform .3s ease, visibility .3s ease;
  }
  .site-header[data-open] .rail__body{
    transform:translateX(0);
    visibility:visible;
  }
  .site-header[data-open] .nav-scrim{opacity:1;pointer-events:auto}

  .rail__tagline{margin-top:0}
  .rail__nav[data-open]{padding-bottom:6px}
  .nav-link{font-size:16px;padding:13px 10px 13px 8px}
  .rail__actions .btn{font-size:14px;padding:13px 16px}
  .rail__meta{font-size:11.5px}

  .footer__grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .footer__brand{grid-column:1 / -1}
}

@media (max-width:640px){
  body{font-size:16px}
  .footer__grid{grid-template-columns:1fr}
  .footer__contact{gap:10px 14px}
  .copy-btn{font-size:11.5px;padding:7px 10px}
  .data-strip__item{padding:14px 16px;border-right:0;border-bottom:1px solid var(--line)}
  .data-strip__item:last-child{border-bottom:0}
}

@media (max-width:420px){
  :root{--gutter:16px}
  .copy-btn{width:100%;justify-content:space-between}
}

/* =========================================================
   偏好设置
   ========================================================= */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1 !important;transform:none !important}
  .progress-bar__fill{transition:none}
}