/* 必一体育入口 · 比赛日数据台 — 共享外壳样式 /assets/site.css */

/* ---------- 1. tokens ---------- */
:root{
  --ink:#0B1220;
  --panel:#141E33;
  --green:#2BE08A;
  --orange:#FF7A2F;
  --cyan:#37E6FF;
  --paper:#F2F6F5;
  --mist:#93A6BF;
  --line:#26364F;
  --film:#E9EEF3;
  --shadow:#050A12;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"Roboto Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --wrap:1240px;
  --gutter:clamp(16px,4vw,40px);
  --gap:clamp(16px,2.4vw,28px);
  --rail-top:190px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 2. reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink);
  background-image:
    radial-gradient(120% 55% at 8% -8%, rgba(43,224,138,.16), transparent 58%),
    radial-gradient(85% 45% at 96% -4%, rgba(55,230,255,.12), transparent 60%);
  background-repeat:no-repeat;
  color:var(--paper);
  font-family:var(--sans);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:2px}
::selection{background:var(--green);color:var(--ink)}
#main-content{display:block;scroll-margin-top:180px}

/* ---------- 3. 排版工具 ---------- */
.mono{font-family:var(--mono);font-weight:700;font-size:.94em;letter-spacing:.02em}
.muted{color:var(--mist)}
.lede{font-size:clamp(17px,1.6vw,20px);line-height:1.7;color:#D8E2EE;max-width:42ch}
.txt-green{color:var(--green)}
.txt-orange{color:var(--orange)}
.txt-cyan{color:var(--cyan)}

/* ---------- 4. 布局 ---------- */
.wrap{width:min(100% - (var(--gutter) * 2), var(--wrap));margin-inline:auto}
.section{padding:clamp(32px,5vw,64px) 0}
.band{padding:clamp(28px,4.4vw,56px) 0;border-block:2px solid var(--line)}
.band--film{background:var(--film);color:var(--ink)}
.band--film .muted,.band--film .lede{color:#4A5C74}
.grid{display:grid;gap:var(--gap)}
.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--7-5{grid-template-columns:7fr 5fr}
.grid--8-4{grid-template-columns:8fr 4fr}
.grid--3-9{grid-template-columns:3fr 9fr}
.stack{display:flex;flex-direction:column;gap:var(--gap)}
.prose p{max-width:38em;margin-bottom:1em;color:#CBD8E6}
.prose h2,.prose h3{margin:1.4em 0 .5em;letter-spacing:-.01em;line-height:1.35}
.prose h2{font-size:clamp(20px,2.4vw,26px)}
.prose h3{font-size:clamp(17px,1.8vw,20px)}
.prose li{max-width:38em;margin-bottom:.5em;color:#CBD8E6;padding-left:16px;position:relative}
.prose li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--green)}
.band--film .prose p,.band--film .prose li{color:#2A3A50}

/* ---------- 5. 章节开场 ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 18px;margin-bottom:clamp(16px,2vw,26px)}
.sec-head__index{font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:.18em;color:var(--ink);background:var(--green);padding:3px 10px}
.sec-head__title{font-size:clamp(22px,3vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.sec-head__lede{flex:1 1 260px;color:var(--mist);font-size:15px;max-width:46ch}
.band--film .sec-head__lede{color:#4A5C74}

/* ---------- 6. 面板 / 标签 ---------- */
.panel{
  position:relative;
  background:var(--panel);
  border:2px solid var(--line);
  box-shadow:6px 6px 0 var(--shadow);
  padding:clamp(18px,2.6vw,32px);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out;
}
.panel:hover{transform:translateY(-2px);box-shadow:10px 10px 0 var(--shadow)}
.panel--static:hover{transform:none;box-shadow:6px 6px 0 var(--shadow)}
.panel--light{background:var(--film);color:var(--ink);border-color:#C6D3E1}
.panel--light .muted{color:#4A5C74}
.label-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.18em;
  background:var(--green);color:#06160F;padding:5px 10px;line-height:1.4;
}
.label-chip--orange{background:var(--orange);color:#240C01}
.label-chip--cyan{background:var(--cyan);color:#04161B}
.label-chip--ghost{background:transparent;color:var(--mist);border:2px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 9px;
  border:2px solid var(--line);font-family:var(--mono);font-weight:700;
  font-size:11px;letter-spacing:.14em;color:var(--mist);
}
.tag--green{border-color:var(--green);color:var(--green)}
.tag--orange{border-color:var(--orange);color:var(--orange)}
.tag--cyan{border-color:var(--cyan);color:var(--cyan)}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border:2px solid var(--green);background:var(--green);color:#06160F;
  font-size:15px;font-weight:700;letter-spacing:.02em;line-height:1.2;
  box-shadow:5px 5px 0 var(--shadow);
  transition:transform 140ms var(--ease),box-shadow 140ms var(--ease),background-color 140ms var(--ease),color 140ms var(--ease),border-color 140ms var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:7px 7px 0 var(--shadow)}
.btn:active{transform:translateY(1px);box-shadow:2px 2px 0 var(--shadow)}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--green);color:var(--green)}
.btn--orange{background:var(--orange);border-color:var(--orange);color:#240C01}
.btn--sm{padding:8px 14px;font-size:13px;box-shadow:4px 4px 0 var(--shadow)}
.btn--sm:hover{box-shadow:6px 6px 0 var(--shadow)}
.btn--block{width:100%}

/* ---------- 8. 统计 / 路径 / 图片 / 赛程条 / 面包屑 ---------- */
.stat{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line);padding-left:14px}
.stat__value{font-family:var(--mono);font-weight:700;font-size:clamp(24px,3.2vw,36px);line-height:1.15;color:var(--green)}
.stat__value--orange{color:var(--orange)}
.stat__value--cyan{color:var(--cyan)}
.stat__label{font-size:13px;color:var(--mist);letter-spacing:.04em}

.path{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.path__item{position:relative;border:2px solid var(--line);background:var(--ink);padding:14px 14px 16px;box-shadow:4px 4px 0 var(--shadow);transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease)}
.path__item:hover{transform:translateY(-2px);box-shadow:7px 7px 0 var(--shadow)}
.path__item[data-active],.path__item[aria-current="true"]{border-color:var(--green);background:rgba(43,224,138,.09)}
.path__item:not(:last-child)::after{content:"";position:absolute;right:-12px;top:50%;width:12px;height:2px;background:var(--line)}
.path__num{display:block;font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.18em;color:var(--green)}
.path__name{display:block;font-weight:700;font-size:15px;margin-top:4px}
.path__desc{display:block;font-size:13px;color:var(--mist);line-height:1.6;margin-top:4px}

.figure{position:relative;border:2px solid var(--line);background:linear-gradient(135deg,rgba(43,224,138,.16),rgba(55,230,255,.10) 46%,rgba(20,30,51,.92));box-shadow:6px 6px 0 var(--shadow);overflow:hidden;transition:transform 180ms var(--ease),box-shadow 180ms var(--ease)}
.figure:hover{transform:translateY(-2px);box-shadow:10px 10px 0 var(--shadow)}
.figure__frame{aspect-ratio:16/9;overflow:hidden;background:rgba(11,18,32,.4)}
.figure__img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease)}
.figure:hover .figure__img{transform:scale(1.02)}
.figure__cap{padding:10px 12px;font-size:13px;color:var(--mist);border-top:2px solid var(--line);background:var(--panel);font-family:var(--mono);letter-spacing:.04em}
.figure--tall .figure__frame{aspect-ratio:4/5}
.figure--square .figure__frame{aspect-ratio:1/1}
.figure--wide .figure__frame{aspect-ratio:21/9}
.figure--diag .figure__frame{clip-path:polygon(0 0,100% 0,100% 88%,0 100%)}

.rail{position:sticky;top:var(--rail-top);display:flex;flex-direction:column;gap:10px}
.rail__label{font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.2em;color:var(--mist)}
.rail__list{display:flex;flex-direction:column;border-left:2px solid var(--line)}
.rail__link{display:flex;align-items:center;gap:10px;padding:10px 12px;margin-left:-2px;font-size:14px;color:var(--mist);border-left:2px solid transparent;transition:color 140ms var(--ease),border-color 140ms var(--ease),background-color 140ms var(--ease)}
.rail__link:hover{color:var(--paper);background:rgba(55,230,255,.06)}
.rail__link[aria-current="true"]{color:var(--green);border-left-color:var(--green);background:rgba(43,224,138,.08)}

.crumbs{margin-bottom:18px}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--mist)}
.crumbs__list li{display:flex;align-items:center;gap:8px}
.crumbs__list li:not(:last-child)::after{content:"/";color:var(--line)}
.crumbs__link:hover{color:var(--green)}
.crumbs__current{color:var(--paper)}

/* ---------- 9. 头部 ---------- */
.skip-link{
  position:absolute;left:12px;top:-70px;z-index:200;
  background:var(--cyan);color:#04161B;font-weight:700;font-size:14px;
  padding:10px 16px;border:2px solid var(--ink);
  transition:top 160ms var(--ease);
}
.skip-link:focus{top:12px}

.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(11,18,32,.98) 0%,rgba(20,30,51,.95) 100%);
  border-bottom:2px solid var(--line);
}
.scroll-progress{position:absolute;left:0;right:0;bottom:-2px;height:3px;background:rgba(38,54,79,.55);overflow:hidden}
.scroll-progress__bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--cyan));transition:width 90ms linear}

.masthead{padding:16px 0 0}
.masthead__bar{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  padding-bottom:14px;
  transition:padding-bottom 180ms var(--ease);
}
.masthead__meta{font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.18em;color:var(--mist);transition:opacity 180ms var(--ease)}
.masthead__meta--right{text-align:right}
.masthead__aside{display:flex;align-items:center;justify-content:flex-end;gap:14px}

.brand{display:inline-flex;align-items:center;gap:14px;justify-self:center;padding:2px 4px}
.brand__rail{width:10px;height:44px;flex:none;background:linear-gradient(180deg,var(--green),var(--cyan));box-shadow:3px 3px 0 var(--shadow);transition:height 180ms var(--ease),width 180ms var(--ease)}
.brand__text{display:flex;flex-direction:column;gap:2px}
.brand__name{font-size:clamp(24px,3.6vw,40px);font-weight:900;letter-spacing:-.02em;line-height:1.05;color:var(--paper);transition:font-size 180ms var(--ease),color 140ms var(--ease)}
.brand__line{font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.24em;color:var(--green)}
.brand:hover .brand__name{color:var(--green)}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 14px;border:2px solid var(--line);background:var(--panel);color:var(--paper);
  font-size:13px;font-weight:700;letter-spacing:.08em;
  box-shadow:4px 4px 0 var(--shadow);
  transition:border-color 140ms var(--ease),color 140ms var(--ease);
}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;background:currentColor}
.nav-toggle__bars::before,.nav-toggle__bars::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"]{border-color:var(--green);color:var(--green)}

.site-nav{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;
  padding:10px 0 14px;border-top:1px solid var(--line);
  transition:padding 180ms var(--ease);
}
.site-nav__stamp{font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.2em;color:var(--mist);white-space:nowrap}
.site-nav__list{display:flex;flex-wrap:wrap;justify-content:center;gap:6px clamp(8px,1.8vw,22px)}
.site-nav__link{
  display:inline-block;padding:8px 6px 9px;font-size:15px;font-weight:500;color:#D8E2EE;
  border-bottom:2px solid transparent;
  transition:color 140ms var(--ease),border-color 140ms var(--ease),background-color 140ms var(--ease);
}
.site-nav__link:hover{color:var(--green);border-bottom-color:rgba(43,224,138,.5)}
.site-nav__link[aria-current="page"]{color:var(--green);border-bottom-color:var(--green);background:rgba(43,224,138,.10)}
.site-nav__actions{display:flex;align-items:center;justify-content:flex-end;gap:10px}

.site-header[data-compact] .masthead{padding-top:10px}
.site-header[data-compact] .masthead__bar{padding-bottom:8px}
.site-header[data-compact] .brand__rail{width:7px;height:28px}
.site-header[data-compact] .brand__name{font-size:22px}
.site-header[data-compact] .brand__line{display:none}
.site-header[data-compact] .masthead__meta{opacity:.55}
.site-header[data-compact] .site-nav{padding:6px 0 10px}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  margin-top:clamp(40px,7vw,96px);
  padding:clamp(28px,5vw,64px) 0 clamp(32px,5vw,60px);
  border-top:2px solid var(--line);
  background:linear-gradient(180deg,rgba(20,30,51,.42),rgba(5,10,18,.92));
}
.footer-panel{padding:clamp(20px,3vw,40px)}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,36px)}
.footer-brand{display:flex;flex-direction:column;gap:4px}
.footer-brand__link{font-size:22px;font-weight:900;letter-spacing:-.01em;transition:color 140ms var(--ease)}
.footer-brand__link:hover{color:var(--green)}
.footer-brand__line{font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.16em;color:var(--green);margin-top:4px}
.footer-brand__note{color:var(--mist);font-size:14px;line-height:1.7;margin-top:12px;max-width:34ch}
.footer-brand__icp{font-family:var(--mono);font-weight:700;font-size:12px;color:var(--mist);margin-top:12px;letter-spacing:.06em}
.footer-col{display:flex;flex-direction:column}
.footer-col__title{
  font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.2em;color:var(--mist);
  padding-bottom:8px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.footer-col__list{display:flex;flex-direction:column;gap:10px}
.footer-col__link{font-size:15px;color:#D8E2EE;border-bottom:2px solid transparent;align-self:flex-start;transition:color 140ms var(--ease),border-color 140ms var(--ease)}
.footer-col__link:hover{color:var(--green);border-bottom-color:var(--green)}
.footer-contact{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px 24px;align-items:center;
  margin-top:clamp(22px,3vw,34px);padding-top:clamp(18px,2.4vw,26px);
  border-top:1px dashed var(--line);
}
.footer-contact__item{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:#D8E2EE;line-height:1.6}
.footer-contact__label{font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.18em;color:var(--mist)}
.footer-contact__note{color:var(--mist);font-size:13px}
.copy-btn{
  padding:4px 10px;border:2px solid var(--line);background:transparent;color:var(--mist);
  font-family:var(--mono);font-weight:700;font-size:11px;letter-spacing:.12em;
  transition:border-color 140ms var(--ease),color 140ms var(--ease);
}
.copy-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.copy-btn[data-copied]{border-color:var(--green);color:var(--green)}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;
  margin-top:clamp(20px,3vw,30px);padding-top:18px;border-top:2px solid var(--line);
  font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:.05em;color:var(--mist);
}
.footer-base__links{display:flex;flex-wrap:wrap;gap:16px}
.footer-base__links a{border-bottom:2px solid transparent;transition:color 140ms var(--ease),border-color 140ms var(--ease)}
.footer-base__links a:hover{color:var(--green);border-bottom-color:var(--green)}

/* ---------- 11. 回到顶部 ---------- */
.to-top{
  position:fixed;right:clamp(12px,3vw,28px);bottom:clamp(12px,3vw,28px);z-index:90;
  padding:10px 14px;border:2px solid var(--green);background:var(--panel);color:var(--green);
  font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:.12em;
  box-shadow:4px 4px 0 var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity 180ms var(--ease),transform 180ms var(--ease),visibility 180ms var(--ease);
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1080px){
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path{grid-template-columns:repeat(3,minmax(0,1fr))}
  .path__item:nth-child(3)::after{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:960px){
  .masthead__bar{grid-template-columns:1fr auto;gap:12px}
  .masthead__meta{display:none}
  .brand{justify-self:start}
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;grid-template-columns:1fr;padding-top:6px}
  .site-nav[data-open]{display:grid;animation:navDrop 180ms ease-out}
  .site-nav__stamp{display:none}
  .site-nav__list{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0}
  .site-nav__link{display:flex;align-items:center;justify-content:space-between;padding:14px 6px;border-bottom:1px solid var(--line);font-size:16px}
  .site-nav__link[aria-current="page"]{padding-left:12px}
  .site-nav__actions{justify-content:flex-start;flex-wrap:wrap;padding:14px 0 16px}
  .site-nav__actions .btn{flex:1 1 140px}
  .rail{position:static;top:auto}
  .rail__list{flex-direction:row;flex-wrap:wrap;border-left:0;border-top:2px solid var(--line);padding-top:8px}
  .rail__link{margin-left:0;border-left:0;border-bottom:2px solid transparent;border-radius:0}
  .rail__link[aria-current="true"]{border-left:0;border-bottom-color:var(--green)}
}
@media (max-width:860px){
  .grid--2,.grid--3,.grid--4,.grid--7-5,.grid--8-4,.grid--3-9{grid-template-columns:minmax(0,1fr)}
  .path{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path__item::after{display:none}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-base{flex-direction:column;align-items:flex-start}
  .brand__rail{height:34px;width:8px}
  .brand__line{letter-spacing:.16em}
}
@media (max-width:480px){
  .path{grid-template-columns:minmax(0,1fr)}
  .figure--wide .figure__frame{aspect-ratio:16/9}
}

@keyframes navDrop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- 13. 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .panel:hover,.figure:hover,.path__item:hover,.btn:hover{transform:none}
  .figure:hover .figure__img{transform:none}
}