/* ============================================================
   678体育赛 · 共享样式 /assets/site.css
   01 变量  02 Reset  03 中文排版  04 头部轨道与状态条
   05 页脚  06 容器与区块  07 网格  08 基础组件
   09 图片容器  10 响应式与偏好
   ============================================================ */

/* ---------- 01 变量 ---------- */
:root{
  --ink-900:#0A1A2F;
  --ink-800:#12294A;
  --ink-700:#16345C;
  --line:#24406B;
  --line-soft:rgba(36,64,107,.65);
  --grass:#2FBF71;
  --grass-deep:#1F8A52;
  --orange:#FF8A3D;
  --orange-soft:#FFB27A;
  --yellow:#FFD166;
  --paper:#F2F6FA;
  --slate:#8FA3BF;

  --rail-w:0px;
  --header-h:94px;

  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:9px;

  --font-display:'Barlow Condensed','Oswald','PingFang SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono','Roboto Mono','SFMono-Regular',Consolas,'Courier New',monospace;
}

/* ---------- 02 Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 14px);
}
html.is-nav-open{overflow:hidden}
body,h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse}
:where(a,button,summary,input,select,textarea,[tabindex]):focus-visible{
  outline:2px solid var(--yellow);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- 03 中文排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--paper);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(1100px 560px at 88% -12%, rgba(47,191,113,.13), transparent 68%),
    radial-gradient(880px 520px at -6% 104%, rgba(255,138,61,.10), transparent 70%),
    repeating-linear-gradient(90deg, rgba(143,163,191,.045) 0 1px, transparent 1px 72px),
    linear-gradient(180deg, rgba(18,41,74,.55), rgba(10,26,47,0) 460px);
  background-repeat:no-repeat;
  padding-top:var(--header-h);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
h1,h2{font-family:var(--font-display);font-weight:700;line-height:1.12;letter-spacing:.015em}
h1{font-size:clamp(34px,6vw,58px)}
h2{font-size:clamp(24px,3.4vw,34px)}
h3{font-size:clamp(19px,2.1vw,22px);font-weight:700;line-height:1.42}
h4{font-size:17px;font-weight:700;line-height:1.5}
p{max-width:70ch}
strong{font-weight:700}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.muted{color:var(--slate)}

/* ---------- 04 头部：轨道导航 + 状态条 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:linear-gradient(180deg, rgba(10,26,47,.985), rgba(10,26,47,.93));
  border-bottom:1px solid var(--line);
}
.rail{display:block}
.rail__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:62px;
  padding:9px 16px;
}

.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand__mark{
  display:grid;place-items:center;
  flex:0 0 auto;
  width:38px;height:38px;
  border-radius:12px;
  background:linear-gradient(150deg,var(--grass),var(--grass-deep));
  color:#04150C;
  font-family:var(--font-display);
  font-size:15px;font-weight:700;letter-spacing:.02em;
}
.brand__text{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.brand__name{
  font-family:var(--font-display);
  font-size:20px;font-weight:700;letter-spacing:.05em;
  white-space:nowrap;
}
.brand__tagline{font-size:12px;color:var(--slate);letter-spacing:.09em;white-space:nowrap}

.nav-toggle{
  position:relative;
  z-index:130;
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 15px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(18,41,74,.85);
  font-size:13px;letter-spacing:.1em;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--grass);color:var(--grass)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;border-radius:2px;background:currentColor}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:currentColor;
  transition:transform .2s 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)}

.site-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  z-index:110;
  display:flex;flex-direction:column;
  width:min(84vw,330px);
  padding:82px 18px 24px;
  overflow-y:auto;
  background:linear-gradient(180deg,var(--ink-800),#08131F 78%);
  border-right:1px solid var(--line);
  transform:translateX(-102%);
  transition:transform .26s cubic-bezier(.4,0,.2,1);
}
.site-nav[data-open]{transform:translateX(0)}
.site-nav__title{
  font-family:var(--font-mono);
  font-size:11.5px;letter-spacing:.24em;
  color:var(--slate);
  text-transform:uppercase;
}
.site-nav__list{display:flex;flex-direction:column;gap:4px;margin-top:14px}
.site-nav__item{display:block}
.site-nav__link{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;
  border:1px solid transparent;
  border-radius:12px;
  transition:background .18s ease,border-color .18s ease,transform .18s ease,color .18s ease;
}
.site-nav__link:hover{
  background:rgba(47,191,113,.10);
  border-color:rgba(47,191,113,.38);
  transform:translateX(3px);
}
.site-nav__index{font-family:var(--font-mono);font-size:12px;color:var(--slate);letter-spacing:.06em}
.site-nav__label{font-size:16px;font-weight:500}
.site-nav__link[aria-current="page"]{
  background:rgba(255,138,61,.12);
  border-color:rgba(255,138,61,.5);
}
.site-nav__link[aria-current="page"] .site-nav__index{color:var(--orange)}
.site-nav__link[aria-current="page"] .site-nav__label{font-weight:700}
.site-nav__cta{
  display:flex;flex-direction:column;gap:10px;
  margin-top:auto;
  padding-top:20px;
  border-top:1px dashed var(--line-soft);
}
.site-nav__sub{
  display:block;
  text-align:center;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--slate);
}
.site-nav__sub:hover{color:var(--orange-soft)}

.nav-scrim{
  position:fixed;inset:0;
  z-index:105;
  background:rgba(4,11,20,.66);
}
.nav-scrim[hidden]{display:none}

.status-bar{
  position:relative;
  display:flex;align-items:center;gap:18px;
  height:32px;
  padding:0 16px;
  overflow-x:auto;
  white-space:nowrap;
  border-top:1px solid rgba(36,64,107,.55);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--slate);
  scrollbar-width:none;
}
.status-bar::-webkit-scrollbar{display:none}
.status-bar__item{display:inline-flex;align-items:center;gap:7px;flex:0 0 auto}
.status-bar__item b{color:var(--paper);font-weight:500;font-size:12.5px}
.status-bar__dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--grass);
  box-shadow:0 0 0 3px rgba(47,191,113,.18);
}
.status-bar__item--warn b{color:var(--yellow)}

.progress-rail{
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:rgba(143,163,191,.16);
}
.progress-rail__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--grass),var(--yellow) 62%,var(--orange));
  transition:width .12s linear;
}

.skip-link{
  position:fixed;
  top:10px;left:8px;
  z-index:140;
  padding:10px 16px;
  border-radius:999px;
  background:var(--yellow);
  color:#22180A;
  font-size:14px;font-weight:700;
  transform:translateY(-180%);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 05 页脚 ---------- */
.site-footer{
  margin-top:72px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(18,41,74,.6), #07121E 82%);
}
.footer__inner{padding:52px 0 26px}
.footer__grid{display:grid;gap:34px;grid-template-columns:1fr}
.footer__brand{display:flex;flex-direction:column;gap:14px}
.footer__note{font-size:14px;color:var(--slate);max-width:38ch}
.footer__col{display:block}
.footer__col-title{
  font-family:var(--font-mono);
  font-size:11.5px;font-weight:500;letter-spacing:.2em;
  color:var(--grass);
  text-transform:uppercase;
  margin-bottom:14px;
}
.footer__links{display:flex;flex-direction:column;gap:9px}
.footer__link{
  font-size:15px;
  color:var(--paper);
  border-bottom:1px dashed transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer__link:hover{color:var(--orange-soft);border-bottom-color:rgba(255,138,61,.6)}
.footer__contact-list{display:flex;flex-direction:column;gap:10px}
.footer__contact-item{
  display:flex;flex-direction:column;gap:2px;
  padding-bottom:9px;
  border-bottom:1px dashed rgba(36,64,107,.6);
}
.footer__contact-item:last-child{border-bottom:0;padding-bottom:0}
.footer__contact-key{font-size:12px;letter-spacing:.12em;color:var(--slate)}
.footer__contact-val{font-size:14.5px;color:var(--paper);word-break:break-word}
.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:40px;
  padding-top:18px;
  border-top:1px dashed var(--line-soft);
  font-size:13px;
  color:var(--slate);
}
.footer__copyright{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.05em}
.footer__legal{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.05em}

/* ---------- 06 容器与区块 ---------- */
.container{width:min(100% - 32px,1160px);margin-inline:auto}
.section{padding:54px 0}
.section--tight{padding:30px 0}
.section__head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 14px;
  margin-bottom:24px;
  padding-bottom:14px;
  border-bottom:1px dashed var(--line-soft);
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:11.5px;letter-spacing:.22em;
  color:var(--grass);
  text-transform:uppercase;
}
.section-title{font-family:var(--font-display);font-size:clamp(24px,3.2vw,32px);line-height:1.15}
.lede{max-width:62ch;color:var(--slate);font-size:17px}
.divider{
  height:1px;margin:30px 0;
  background:repeating-linear-gradient(90deg,var(--line) 0 12px,transparent 12px 22px);
}
.stack{display:flex;flex-direction:column;gap:16px}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:10px}

/* ---------- 07 网格 ---------- */
.grid{display:grid;gap:18px;grid-template-columns:1fr}

/* ---------- 08 基础组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.04em;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn--primary{background:var(--orange);border-color:var(--orange);color:#21110A}
.btn--primary:hover{background:var(--orange-soft);border-color:var(--orange-soft);transform:translateY(-2px)}
.btn--ghost{background:rgba(47,191,113,.08);border-color:rgba(47,191,113,.45);color:var(--paper)}
.btn--ghost:hover{background:rgba(47,191,113,.16);border-color:var(--grass);transform:translateY(-2px)}
.btn--small{padding:8px 14px;font-size:13.5px}
.btn--block{width:100%}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(18,41,74,.7);
  font-family:var(--font-mono);
  font-size:11.5px;letter-spacing:.08em;
  color:var(--slate);
}
.tag--grass{color:#BFF3D6;border-color:rgba(47,191,113,.5);background:rgba(47,191,113,.12)}
.tag--orange{color:#FFD9BC;border-color:rgba(255,138,61,.5);background:rgba(255,138,61,.12)}
.tag--yellow{color:#FFE9B0;border-color:rgba(255,209,102,.5);background:rgba(255,209,102,.12)}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:20px 0 0;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--slate);
}
.breadcrumb__link:hover{color:var(--grass)}
.breadcrumb__sep{color:var(--line)}
.breadcrumb__current{color:var(--paper)}

.card{
  position:relative;
  display:flex;flex-direction:column;gap:10px;
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:linear-gradient(158deg, rgba(18,41,74,.94), rgba(10,26,47,.94));
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover,.card:focus-within{
  transform:translateY(-3px);
  border-color:rgba(47,191,113,.55);
  box-shadow:0 24px 44px -32px rgba(0,0,0,.96);
}
.card--accent::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--grass),var(--orange));
}
.card__index{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--grass)}
.card__title{font-size:19px;font-weight:700;line-height:1.45}
.card__text{font-size:15px;color:var(--slate)}
.card__meta{font-family:var(--font-mono);font-size:12.5px;color:var(--slate)}

.panel{
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:rgba(18,41,74,.6);
}
.panel__head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px dashed var(--line-soft);
}

.index-list{display:flex;flex-direction:column;gap:10px}
.index-list__item{
  display:grid;
  grid-template-columns:46px minmax(0,1fr);
  gap:14px;
  align-items:start;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:rgba(18,41,74,.55);
  transition:border-color .18s ease,background .18s ease;
}
.index-list__item:hover{border-color:rgba(47,191,113,.5);background:rgba(18,41,74,.88)}
.index-list__num{font-family:var(--font-mono);font-size:15px;color:var(--grass);letter-spacing:.06em}
.index-list__body{display:flex;flex-direction:column;gap:4px}

.timeline{
  position:relative;
  display:flex;flex-direction:column;gap:16px;
  padding-left:24px;
  border-left:1px dashed var(--line);
}
.timeline__item{position:relative;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 16px}
.timeline__item::before{
  content:"";position:absolute;left:-29px;top:10px;
  width:9px;height:9px;border-radius:50%;
  background:var(--ink-900);
  border:2px solid var(--grass);
}
.timeline__time{font-family:var(--font-mono);font-size:13px;color:var(--yellow);min-width:92px}
.timeline__body{font-size:15px;color:var(--slate)}

.stat{display:flex;flex-direction:column;gap:4px}
.stat__value{
  font-family:var(--font-mono);
  font-size:clamp(26px,4vw,40px);
  font-weight:700;
  color:var(--paper);
  font-variant-numeric:tabular-nums;
}
.stat__label{font-size:13px;letter-spacing:.08em;color:var(--slate)}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md)}
.data-table{width:100%;min-width:520px;font-size:15px}
.data-table th,.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line-soft)}
.data-table th{
  font-family:var(--font-mono);
  font-size:11.5px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--slate);
  background:rgba(10,26,47,.62);
}
.data-table tbody tr:hover{background:rgba(47,191,113,.07)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table .num,.data-table td.num{font-family:var(--font-mono);text-align:right;color:var(--paper);font-variant-numeric:tabular-nums}

.spy{
  position:sticky;
  top:calc(var(--header-h) + 18px);
  display:flex;flex-direction:column;gap:5px;
}
.spy__title{
  font-family:var(--font-mono);
  font-size:11.5px;letter-spacing:.2em;
  color:var(--slate);
  padding-bottom:6px;
}
.spy-link{
  display:flex;align-items:center;gap:10px;
  padding:7px 11px;
  border-left:2px solid var(--line);
  font-size:14px;
  color:var(--slate);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.spy-link:hover{color:var(--paper);border-color:var(--grass-deep);background:rgba(47,191,113,.07)}
.spy-link.is-active{color:var(--paper);border-color:var(--orange);background:rgba(255,138,61,.09)}

/* ---------- 09 图片容器 ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background-color:var(--ink-800);
  background-image:
    linear-gradient(140deg, rgba(47,191,113,.16), rgba(255,138,61,.10)),
    repeating-linear-gradient(0deg, rgba(143,163,191,.10) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(90deg, rgba(143,163,191,.10) 0 1px, transparent 1px 30px);
}
.media--21x9{aspect-ratio:21 / 9}
.media--4x3{aspect-ratio:4 / 3}
.media--1x1{aspect-ratio:1 / 1}
.media--tilt{clip-path:polygon(0 4%,100% 0,100% 96%,0 100%);border-radius:0}
.media__img{width:100%;height:100%;object-fit:cover}
.media__caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--slate);
  letter-spacing:.04em;
}

/* ---------- 10 响应式与偏好 ---------- */
@media (min-width:640px){
  .grid{gap:22px}
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (min-width:1024px){
  :root{
    --rail-w:272px;
    --header-h:46px;
  }
  body{padding-left:var(--rail-w)}
  .container{width:min(100% - 64px,1160px)}

  .site-header{background:transparent;border-bottom:0}
  .rail{
    position:fixed;
    top:0;left:0;bottom:0;
    display:flex;flex-direction:column;
    width:var(--rail-w);
    padding:24px 20px 26px;
    overflow-y:auto;
    background:linear-gradient(180deg,var(--ink-800),#08131F);
    border-right:1px solid var(--line);
  }
  .rail__head{
    flex-direction:column;
    align-items:flex-start;
    gap:16px;
    min-height:0;
    padding:0 0 22px;
    border-bottom:1px dashed var(--line-soft);
  }
  .nav-toggle{display:none}
  .nav-scrim{display:none !important}

  .site-nav,
  .site-nav[data-open]{
    position:static;
    width:auto;
    padding:18px 0 0;
    transform:none;
    transition:none;
    overflow:visible;
    background:none;
    border-right:0;
    flex:1 1 auto;
  }
  .site-nav__title{padding-bottom:2px}
  .site-nav__list{margin-top:12px}
  .site-nav__cta{margin-top:auto;padding-top:18px}

  .status-bar{
    position:relative;
    height:var(--header-h);
    padding-left:calc(var(--rail-w) + 26px);
    padding-right:26px;
    border-top:0;
    border-bottom:1px solid var(--line);
    background:rgba(10,26,47,.9);
    font-size:12.5px;
  }
  .skip-link{left:calc(var(--rail-w) + 12px)}

  .section{padding:74px 0}
  .section--tight{padding:40px 0}
  .grid{gap:24px}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--split{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr)}
  .grid--split-rev{grid-template-columns:minmax(0,1fr) minmax(0,1.65fr)}

  .footer__grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1.5fr;gap:28px}
  .footer__inner{padding:62px 0 28px}
}

@media (min-width:1200px){
  .grid--split{grid-template-columns:minmax(0,1.8fr) minmax(0,1fr)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .card:hover,.card:focus-within,
  .site-nav__link:hover,
  .btn:hover{transform:none}
}