/* 有球赛场 · 全站共享样式 /assets/site.css */

:root{
  --turf:#12703A;
  --turf-deep:#0A4223;
  --volt:#E4FF3A;
  --red:#E23A2E;
  --night:#173B63;
  --panel-ink:#0B1116;
  --canvas:#F7F8F4;
  --paper:#E7E9E2;
  --ink:#14171A;
  --muted:#5A635C;
  --line:2px;
  --shadow-hard:6px 6px 0 var(--ink);
  --shell:1420px;
  --gutter:clamp(18px,4vw,40px);
  --header-h:84px;
  --header-h-compact:64px;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-display:"Archivo","Barlow Condensed","DIN Condensed","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Condensed","DIN Condensed","Oswald","Roboto Condensed",ui-monospace,"SFMono-Regular",Menlo,Arial,sans-serif;
  --ease-out:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0}
h1,h2,h3,h4{font-weight:800;line-height:1.16}
ul[class],ol[class]{list-style:none;margin:0;padding:0}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit}
main{display:block}
table{border-collapse:collapse}
:focus-visible{outline:3px solid var(--volt);outline-offset:2px;box-shadow:0 0 0 2px var(--ink)}

/* ---------- 基础排版 ---------- */
.num,.score-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.score-num{
  font-size:clamp(56px,10vw,140px);
  font-weight:800;
  line-height:.86;
  color:var(--ink);
  display:block;
}
.u-sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 布局容器 ---------- */
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--gutter)}
.shell--narrow{max-width:960px}
#main-content{scroll-margin-top:calc(var(--header-h) + 16px)}
.page-main{padding-top:var(--header-h)}
.stack > * + *{margin-top:18px}
.divider{height:var(--line);background:var(--ink);border:0;margin:0}

.grid{display:grid;gap:clamp(18px,2.6vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,38fr) minmax(0,62fr)}

/* ---------- 章节 ---------- */
.section{width:100%;max-width:var(--shell);margin:0 auto;padding:clamp(48px,7vw,96px) var(--gutter)}
.section-head{position:relative;display:flex;flex-direction:column;gap:6px;margin-bottom:clamp(24px,3.4vw,44px)}
.section-index{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(46px,7vw,96px);
  font-weight:300;
  line-height:.82;
  letter-spacing:-.02em;
  color:#C6CCC1;
  font-variant-numeric:tabular-nums;
}
.section-title{
  font-family:var(--font-display);
  font-style:italic;
  font-size:clamp(26px,3.4vw,46px);
  font-weight:800;
  line-height:1.1;
  letter-spacing:.01em;
}
.section-kicker{
  font-size:12px;
  font-weight:700;
  letter-spacing:.26em;
  color:var(--turf);
  text-transform:uppercase;
}
.vert-note{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-size:12px;
  letter-spacing:.34em;
  color:var(--turf);
  line-height:1;
}

/* ---------- 面板 / 标签 ---------- */
.panel{
  position:relative;
  background:var(--canvas);
  border:var(--line) solid var(--ink);
  box-shadow:var(--shadow-hard);
  padding:clamp(18px,2.4vw,28px);
}
.panel--dark{
  background:var(--panel-ink);
  color:var(--canvas);
  border-color:var(--panel-ink);
  box-shadow:6px 6px 0 var(--night);
}
.panel--dark .section-title,.panel--dark h2,.panel--dark h3{color:var(--canvas)}

.tag{
  display:inline-block;
  padding:3px 10px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  background:var(--volt);
  color:var(--ink);
  border:2px solid var(--ink);
  line-height:1.4;
}
.tag--red{background:var(--red);color:#FFFFFF;border-color:var(--red)}
.tag--night{background:var(--night);color:var(--canvas);border-color:var(--night)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;
  border:var(--line) solid var(--ink);
  background:var(--ink);
  color:var(--canvas);
  font-size:15px;font-weight:700;letter-spacing:.06em;
  text-decoration:none;border-radius:0;cursor:pointer;
  box-shadow:var(--shadow-hard);
  transition:transform .16s var(--ease-out),box-shadow .16s var(--ease-out);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn--volt{background:var(--volt);color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--on-dark{
  background:var(--volt);color:var(--ink);border-color:var(--volt);
  box-shadow:6px 6px 0 rgba(228,255,58,.24);
}
.btn--on-dark:hover{box-shadow:8px 8px 0 rgba(228,255,58,.34)}

/* ---------- 面包屑 ---------- */
.breadcrumb{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--gutter)}
.breadcrumb-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.05em;color:var(--muted);
}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:#A9B1A6}
.breadcrumb-link{
  color:var(--turf);text-decoration:none;
  border-bottom:1px solid rgba(18,112,58,.42);
  transition:color .16s var(--ease-out),border-color .16s var(--ease-out);
}
.breadcrumb-link:hover{color:var(--turf-deep);border-bottom-color:var(--turf-deep)}
.breadcrumb-item[aria-current="page"]{color:var(--ink);font-weight:600}

/* ---------- 图片容器基础规则 ---------- */
.media-frame{
  position:relative;overflow:hidden;
  background:var(--panel-ink);
  border:var(--line) solid var(--ink);
  box-shadow:var(--shadow-hard);
  aspect-ratio:16/9;
}
.media-frame img,.media-frame svg,.media-frame video{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:repeating-linear-gradient(135deg,var(--volt) 0 6px,var(--panel-ink) 6px 12px);
  pointer-events:none;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame__label{
  position:absolute;left:0;top:0;
  background:var(--volt);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.12em;
  padding:4px 10px;
  border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
}

/* ---------- 章节锚点链接 ---------- */
.section-link{
  display:inline-block;
  padding:6px 12px;
  font-size:14px;font-weight:600;
  color:var(--turf-deep);text-decoration:none;
  border:2px solid transparent;
  transition:background-color .16s var(--ease-out),color .16s var(--ease-out),border-color .16s var(--ease-out),transform .16s var(--ease-out);
}
.section-link:hover{border-color:var(--turf);color:var(--turf-deep)}
.section-link.is-active{
  background:var(--volt);color:var(--ink);
  border-color:var(--ink);
  transform:translateX(-4px);
}
.panel--dark .section-link{color:rgba(247,248,244,.72)}
.panel--dark .section-link.is-active{color:var(--ink)}

/* ---------- 渐入 ---------- */
.js [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .22s var(--ease-out),transform .22s var(--ease-out)}
.js [data-reveal].is-in{opacity:1;transform:translateY(0)}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:0;left:50%;
  transform:translate(-50%,-160%);
  z-index:200;
  background:var(--volt);color:var(--ink);
  padding:10px 22px;
  border:2px solid var(--ink);
  font-size:14px;font-weight:700;letter-spacing:.1em;
  text-decoration:none;
  transition:transform .16s var(--ease-out);
}
.skip-link:focus,.skip-link:focus-visible{transform:translate(-50%,8px)}

/* ---------- 页头 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  color:var(--canvas);
  background:linear-gradient(180deg,rgba(10,66,35,.95) 0%,rgba(10,66,35,.76) 54%,rgba(10,66,35,0) 100%);
  transition:background-color .2s var(--ease-out),box-shadow .2s var(--ease-out);
}
.site-header[data-pinned]{
  background:var(--turf-deep);
  box-shadow:inset 0 -3px 0 var(--volt),0 10px 24px rgba(11,17,22,.26);
}
.header-inner{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:14px var(--gutter);
  min-height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:min-height .2s var(--ease-out),padding .2s var(--ease-out);
}
.site-header[data-pinned] .header-inner{min-height:var(--header-h-compact);padding-top:8px;padding-bottom:8px}

.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:inherit;flex:0 0 auto;min-width:0}
.brand-mark{
  display:inline-block;flex:0 0 auto;
  background:var(--volt);color:var(--ink);
  font-family:var(--font-num);font-style:italic;font-weight:800;
  font-size:15px;letter-spacing:.06em;line-height:1.5;
  padding:2px 9px;
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 rgba(11,17,22,.55);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;min-width:0}
.brand-name{
  font-family:var(--font-display);font-style:italic;
  font-size:19px;font-weight:800;letter-spacing:.09em;
  white-space:nowrap;
}
.brand-line{
  font-size:10.5px;font-weight:500;letter-spacing:.2em;
  color:rgba(247,248,244,.7);white-space:nowrap;
}

.site-nav{display:flex;align-items:center;gap:14px;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-item{flex:0 0 auto}
.nav-link{
  display:block;
  padding:9px 13px;
  font-size:14.5px;font-weight:600;letter-spacing:.04em;
  color:rgba(247,248,244,.82);text-decoration:none;
  border:2px solid transparent;border-radius:0;
  transition:color .16s var(--ease-out),background-color .16s var(--ease-out),border-color .16s var(--ease-out);
}
.nav-link:hover{color:var(--canvas);background:rgba(228,255,58,.12);border-color:rgba(228,255,58,.5)}
.nav-link[aria-current="page"]{
  background:var(--volt);color:var(--ink);
  border-color:var(--ink);
  box-shadow:3px 3px 0 rgba(11,17,22,.5);
}
.nav-cta{
  display:inline-block;white-space:nowrap;
  padding:8px 16px;
  font-size:13.5px;font-weight:700;letter-spacing:.06em;
  color:var(--ink);background:var(--volt);
  border:2px solid var(--ink);border-radius:0;
  box-shadow:4px 4px 0 rgba(11,17,22,.5);
  text-decoration:none;
  transition:transform .16s var(--ease-out),box-shadow .16s var(--ease-out);
}
.nav-cta:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(11,17,22,.5)}
.nav-cta:active{transform:translate(1px,1px);box-shadow:1px 1px 0 rgba(11,17,22,.5)}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 13px;
  background:transparent;color:var(--canvas);
  border:2px solid var(--volt);border-radius:0;
  font-size:13px;font-weight:700;letter-spacing:.12em;
  cursor:pointer;
}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle-bars span{display:block;height:2px;background:var(--volt);transition:transform .18s var(--ease-out),opacity .18s var(--ease-out)}
.site-header[data-open] .nav-toggle-bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle-bars span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle-bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.read-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(247,248,244,.16)}
.read-progress-bar{display:block;height:100%;width:0;background:var(--volt);transition:width .12s linear}

/* ---------- 页脚 ---------- */
.site-footer{
  background-color:var(--turf-deep);
  background-image:repeating-linear-gradient(135deg,rgba(247,248,244,.05) 0 2px,transparent 2px 14px);
  color:var(--canvas);
  border-top:6px solid var(--volt);
}
.footer-shell{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:clamp(44px,6vw,76px) var(--gutter) clamp(28px,4vw,44px);
  display:grid;
  grid-template-columns:minmax(230px,1fr) minmax(0,2.1fr);
  gap:clamp(28px,4vw,64px);
}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-brand-link{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-style:italic;
  font-size:26px;font-weight:800;letter-spacing:.08em;
  color:var(--canvas);text-decoration:none;
}
.footer-brand-link::before{
  content:"";display:block;width:14px;height:14px;
  background:var(--volt);border:2px solid var(--ink);
  box-shadow:3px 3px 0 rgba(11,17,22,.6);
}
.footer-tagline{font-size:15px;font-weight:700;letter-spacing:.08em;color:var(--volt)}
.footer-meta{font-size:13px;line-height:1.7;color:rgba(247,248,244,.66)}
.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.4vw,32px)}
.footer-col{min-width:0}
.footer-col-title{
  font-size:12px;font-weight:700;letter-spacing:.24em;
  color:var(--volt);
  padding-bottom:10px;margin-bottom:12px;
  border-bottom:2px solid rgba(247,248,244,.2);
}
.footer-list{display:flex;flex-direction:column;gap:2px}
.footer-link{
  display:inline-block;padding:5px 0;
  font-size:15px;color:rgba(247,248,244,.8);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease-out),border-color .16s var(--ease-out);
}
.footer-link:hover{color:var(--volt);border-bottom-color:var(--volt)}
.footer-text{display:inline-block;padding:5px 0;font-size:15px;color:rgba(247,248,244,.5)}
.footer-base{background:rgba(11,17,22,.32);border-top:2px solid rgba(247,248,244,.16)}
.footer-base-inner{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:24px var(--gutter) 34px;
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:12px 32px;
  font-size:13px;line-height:1.75;color:rgba(247,248,244,.66);
}
.footer-legal{font-family:var(--font-num);font-size:14px;letter-spacing:.08em;color:rgba(247,248,244,.86)}
.footer-contact{flex:1 1 420px;min-width:0}
.footer-note{flex:1 1 420px;min-width:0;color:rgba(247,248,244,.5)}
.footer-copy{font-family:var(--font-num);letter-spacing:.06em;color:rgba(247,248,244,.86)}

/* ---------- 平板 ---------- */
@media (max-width:1180px){
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px}
}

/* ---------- 移动导航断点 ---------- */
@media (max-width:1000px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--turf-deep);
    padding:10px var(--gutter) 22px;
    border-top:2px solid var(--volt);
    box-shadow:0 16px 28px rgba(11,17,22,.34);
    max-height:calc(100vh - var(--header-h-compact));
    overflow-y:auto;
  }
  .site-header[data-open] .site-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-link{
    border:0;border-bottom:1px solid rgba(247,248,244,.16);
    padding:15px 4px;font-size:16px;
  }
  .nav-link:hover{background:transparent;border-color:rgba(247,248,244,.16)}
  .nav-link[aria-current="page"]{
    box-shadow:none;background:var(--volt);
    border-bottom-color:var(--ink);padding-left:12px;
  }
  .nav-cta{margin-top:18px;text-align:center;padding:13px 16px;font-size:15px}
}

/* ---------- 手机 ---------- */
@media (max-width:860px){
  :root{--header-h:70px;--header-h-compact:58px}
  body{font-size:16px}
  .brand-name{font-size:17px}
  .brand-line{display:none}
  .grid--2,.grid--3,.grid--split{grid-template-columns:minmax(0,1fr)}
  .footer-shell{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand-link{font-size:23px}
}
@media (max-width:520px){
  .footer-cols{grid-template-columns:minmax(0,1fr);gap:24px}
  .footer-base-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .score-num{font-size:clamp(44px,13vw,84px)}
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js [data-reveal]{opacity:1;transform:none;transition:none}
  .btn:hover,.nav-cta:hover,.section-link.is-active{transform:none}
  .skip-link{transition:none}
}