/* ============================================================
   大江体育赛事 · 共享样式 /assets/site.css
   控制台式：深墨绿底盘 · 信号橙行动 · 荧光青标记 · 精密细线
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,picture{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--cyan);color:var(--ink)}

/* ---------- tokens ---------- */
:root{
  --ink:#0B3D2E;
  --ink-800:#0F4A38;
  --ink-600:#17624A;
  --orange:#FF5A1F;
  --orange-hi:#FF7238;
  --orange-soft:#FFB59A;
  --cyan:#45F0D0;
  --paper:#F7F9F8;
  --mist:#E8EDEA;
  --mid:#A9B6B0;
  --text:#22302B;
  --muted:#5C6B65;
  --line:rgba(34,48,43,.14);
  --line-strong:rgba(34,48,43,.28);
  --line-dark:rgba(247,249,248,.14);
  --line-dark-strong:rgba(247,249,248,.30);
  --on-ink:rgba(247,249,248,.86);
  --on-ink-dim:rgba(247,249,248,.62);
  --font-sans:"Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1240px;
  --gutter:clamp(16px,4vw,48px);
  --fs-body:clamp(16px,.28vw + 15px,17.5px);
  --sp-section:clamp(40px,5vw,80px);
  --sp-tight:clamp(24px,3vw,44px);
  --ease:.18s ease;
}

/* ---------- base type ---------- */
body{
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:var(--fs-body);
  font-weight:400;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-weight:800;line-height:1.26;letter-spacing:.06em;color:var(--ink)}
strong{font-weight:700;color:var(--ink)}

:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.site-header :focus-visible,.site-footer :focus-visible{outline-color:var(--cyan)}

/* ---------- layout helpers ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--sp-section)}
.section--tight{padding-block:var(--sp-tight)}
.section--mist{background:var(--mist)}
.section--dark{background:var(--ink);color:var(--on-ink)}
.section--dark h1,.section--dark h2,.section--dark h3{color:var(--paper)}
.hairline{border:0;border-top:1px solid var(--line);margin:0}
.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- type components ---------- */
.display{font-size:clamp(30px,2vw + 22px,52px);font-weight:900;letter-spacing:.07em;line-height:1.16;color:var(--ink)}
.h2{font-size:clamp(22px,1vw + 16px,32px);font-weight:800;letter-spacing:.05em;color:var(--ink)}
.h3{font-size:clamp(18px,.6vw + 15px,23px);font-weight:700;letter-spacing:.04em;color:var(--ink)}
.lede{font-size:clamp(16px,1vw + 13px,19px);line-height:1.85;color:#3A4A44;max-width:62ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.24em;text-transform:uppercase;color:var(--ink-600);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--orange);flex:none}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border:1px solid transparent;border-radius:0;
  font-size:14px;font-weight:600;letter-spacing:.08em;text-decoration:none;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn--primary{background:var(--orange);border-color:var(--orange);color:#24140C}
.btn--primary:hover{background:var(--orange-hi);border-color:var(--orange-hi)}
.btn--ghost{border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{border-color:var(--orange);color:var(--orange)}
.btn--onDark{border-color:var(--line-dark-strong);color:var(--paper)}
.btn--onDark:hover{border-color:var(--orange);color:var(--orange)}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border:1px solid rgba(11,61,46,.14);border-radius:0;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  background:var(--mist);color:var(--ink-600);
}
.tag--orange{background:var(--orange-soft);border-color:rgba(255,90,31,.38);color:#5A1E06}
.tag--cyan{background:rgba(69,240,208,.18);border-color:rgba(69,240,208,.55);color:#0B3D2E}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  color:var(--muted);
}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"/";color:var(--mid)}
.breadcrumbs a{text-decoration:none;color:var(--muted);transition:color var(--ease)}
.breadcrumbs a:hover{color:var(--orange)}
.breadcrumbs [aria-current="page"]{color:var(--ink);font-weight:500}

/* ---------- panels & data ---------- */
.panel{
  background:#fff;border:1px solid var(--line);border-radius:0;
  padding:clamp(18px,2.4vw,28px);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.panel:hover{border-color:var(--orange)}
.panel--dark{background:var(--ink-800);border-color:var(--line-dark);color:var(--on-ink)}
.panel--dark:hover{border-color:var(--orange)}
.stat{display:flex;flex-direction:column;gap:4px;padding-left:12px;border-left:2px solid var(--orange)}
.stat-value{
  font-family:var(--font-mono);font-size:clamp(22px,1.6vw + 16px,32px);
  font-weight:600;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums;
}
.stat-label{font-size:12px;letter-spacing:.12em;color:var(--muted)}

/* ---------- media frames ---------- */
.media-frame{
  position:relative;display:block;width:100%;overflow:hidden;
  aspect-ratio:16 / 9;background:var(--mist);
  border:1px solid var(--line);border-radius:0;
  transition:border-color var(--ease);
}
.media-frame > img,.media-frame > picture > img{width:100%;height:100%;object-fit:cover}
.media-frame:hover{border-color:var(--orange)}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--band{aspect-ratio:21 / 9}
.media-frame__date{
  position:absolute;left:0;top:0;z-index:2;
  padding:4px 10px;background:var(--orange);color:#24140C;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;font-weight:600;
}

/* ============================================================
   共享头部
   ============================================================ */
.skip-link{
  position:fixed;top:12px;left:12px;z-index:200;
  padding:10px 16px;background:var(--orange);color:#24140C;
  font-size:13px;font-weight:700;letter-spacing:.08em;text-decoration:none;
  transform:translateY(-180%);transition:transform var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.site-header{position:relative;z-index:30;background:var(--ink);color:var(--paper)}

/* 顶部进度轨道 */
.scroll-meter{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:3px;background:rgba(11,61,46,.16);pointer-events:none;
}
.scroll-meter-fill{
  display:block;height:100%;width:0;background:var(--orange);
  transition:width .1s linear;
}

/* 状态条 */
.util{background:var(--ink-800);border-bottom:1px solid var(--line-dark)}
.util-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:38px;padding-block:7px;
  font-size:12px;letter-spacing:.06em;color:var(--on-ink-dim);
}
.util-status{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);letter-spacing:.1em}
.util-dot{
  width:6px;height:6px;flex:none;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(69,240,208,.16);
}
.util-list{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.util-tel{font-family:var(--font-mono);letter-spacing:.06em;color:var(--on-ink)}
.util-link{
  text-decoration:none;color:var(--on-ink-dim);
  border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease);
}
.util-link:hover{color:var(--orange);border-bottom-color:var(--orange)}

/* 刊头 */
.masthead{position:relative;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.masthead::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:9px;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,var(--line-dark) 0 1px,transparent 1px 26px);
}
.masthead-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:clamp(12px,3vw,40px);
  padding-block:clamp(18px,2.4vw,32px) clamp(20px,2.6vw,34px);
}
.masthead-side{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--on-ink-dim);display:flex;align-items:center;gap:10px;
}
.masthead-side--lead{justify-self:start}
.masthead-side--tail{justify-self:end}
.masthead-code{
  display:inline-block;padding:2px 7px;color:var(--ink);
  background:var(--cyan);font-weight:600;letter-spacing:.12em;
}
.masthead-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 15px;border:1px solid var(--orange);border-radius:0;
  color:var(--orange);font-family:var(--font-sans);
  font-size:12.5px;font-weight:600;letter-spacing:.1em;text-decoration:none;
  transition:background-color var(--ease),color var(--ease);
}
.masthead-cta:hover{background:var(--orange);color:#24140C}

.brand{
  display:grid;justify-items:center;gap:5px;
  text-decoration:none;color:var(--paper);text-align:center;
}
.brand-eyebrow{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.3em;
  text-transform:uppercase;color:rgba(69,240,208,.82);
  transition:color var(--ease);
}
.brand-mark{
  font-size:clamp(26px,3.4vw,44px);font-weight:900;letter-spacing:.08em;
  line-height:1.1;color:var(--paper);
}
.brand-sub{font-size:11.5px;letter-spacing:.34em;color:var(--on-ink-dim)}
.brand:hover .brand-eyebrow{color:var(--orange)}
.brand:hover .brand-sub{color:var(--paper)}

/* 导航 */
.nav{background:var(--ink-800);border-top:1px solid rgba(247,249,248,.06)}
.nav-inner{display:flex;align-items:stretch;justify-content:center;position:relative}
.nav-list{display:flex;align-items:stretch;justify-content:center;flex-wrap:wrap}
.nav-item{display:flex}
.nav-item + .nav-item .nav-link{border-left:1px solid var(--line-dark)}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:15px clamp(10px,1.8vw,22px);
  font-size:14.5px;font-weight:500;letter-spacing:.06em;
  color:var(--on-ink);text-decoration:none;
  transition:color var(--ease),background-color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:transparent;transition:background-color var(--ease);
}
.nav-num{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  color:rgba(247,249,248,.42);transition:color var(--ease);
}
.nav-link:hover{color:var(--paper);background:var(--ink-600)}
.nav-link:hover::after{background:rgba(255,90,31,.6)}
.nav-link:hover .nav-num{color:var(--orange)}
.nav-link[aria-current="page"]{color:var(--orange);background:rgba(11,61,46,.5)}
.nav-link[aria-current="page"]::after{background:var(--orange)}
.nav-link[aria-current="page"] .nav-num{color:var(--orange)}

.nav-toggle{
  display:none;align-items:center;justify-content:space-between;gap:14px;
  width:100%;padding:14px 0;color:var(--paper);
  font-size:14px;font-weight:600;letter-spacing:.1em;
}
.nav-toggle-box{display:inline-flex;flex-direction:column;gap:5px;width:22px;order:0}
.nav-toggle-box span{display:block;height:2px;background:var(--paper);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle-text{order:1;margin-right:auto;font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--on-ink-dim)}
.nav[data-open] .nav-toggle-text{color:var(--orange)}
.nav[data-open] .nav-toggle-box span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav[data-open] .nav-toggle-box span:nth-child(2){opacity:0}
.nav[data-open] .nav-toggle-box span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   共享页脚
   ============================================================ */
.site-footer{
  position:relative;background:var(--ink);color:var(--on-ink);
  border-top:3px solid var(--orange);
  background-image:
    repeating-linear-gradient(0deg,rgba(247,249,248,.045) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(90deg,rgba(247,249,248,.045) 0 1px,transparent 1px 72px);
}
.footer-inner{padding-block:clamp(36px,4.6vw,64px) clamp(20px,2.4vw,32px)}

.footer-grid{
  display:grid;
  grid-template-columns:minmax(260px,1.5fr) repeat(3,minmax(140px,.75fr));
  gap:clamp(24px,3vw,48px);
  padding-bottom:clamp(24px,3vw,40px);
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{display:grid;gap:12px;justify-items:start}
.footer-brand-eyebrow{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.28em;
  text-transform:uppercase;color:rgba(69,240,208,.8);
}
.footer-brand-mark{
  font-size:clamp(20px,1.6vw + 14px,26px);font-weight:900;letter-spacing:.08em;
  color:var(--paper);
}
.footer-brand-note{font-size:13.5px;line-height:1.8;color:var(--on-ink-dim);max-width:34ch}
.footer-cta{
  display:inline-flex;align-items:center;gap:8px;margin-top:4px;
  padding:10px 16px;border:1px solid var(--line-dark-strong);border-radius:0;
  font-size:13px;font-weight:600;letter-spacing:.08em;text-decoration:none;
  color:var(--paper);
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.footer-cta:hover{border-color:var(--orange);color:var(--orange);background:rgba(255,90,31,.08)}

.footer-col{display:grid;gap:12px;align-content:start}
.footer-col-title{
  position:relative;padding-bottom:9px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--paper);
}
.footer-col-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:1px;background:var(--orange)}
.footer-list{display:grid;gap:9px}
.footer-link{
  font-size:14px;text-decoration:none;color:var(--on-ink-dim);
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:color var(--ease),border-color var(--ease);
}
.footer-link:hover{color:var(--orange);border-bottom-color:var(--orange)}

.footer-contact{
  display:grid;gap:8px;
  padding-block:clamp(20px,2.4vw,30px);
  border-bottom:1px solid var(--line-dark);
}
.footer-contact-line{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;
  font-size:13px;line-height:1.7;
}
.footer-contact-label{
  flex:none;min-width:64px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(247,249,248,.5);
}
.footer-contact-value{color:var(--on-ink);font-family:var(--font-mono);letter-spacing:.02em}
.footer-contact-hint{
  padding:1px 7px;background:rgba(69,240,208,.14);
  color:var(--cyan);font-size:11px;letter-spacing:.06em;
}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:12px 24px;padding-top:clamp(18px,2vw,26px);
}
.footer-icp,.footer-meta{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;
  color:rgba(247,249,248,.52);
}
.footer-note{font-size:12.5px;color:var(--on-ink-dim)}
.footer-meta span{color:var(--cyan)}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:minmax(240px,1.4fr) repeat(3,minmax(120px,.8fr))}
}

@media (max-width:860px){
  .nav-inner{display:block}
  .nav-toggle{display:flex}
  .nav-list{display:none;flex-direction:column;padding-bottom:12px}
  .nav[data-open] .nav-list{display:flex}
  .nav-item + .nav-item .nav-link{border-left:0}
  .nav-item:first-child .nav-link{border-top:1px solid var(--line-dark)}
  .nav-item .nav-link{
    width:100%;justify-content:flex-start;
    padding:14px 2px;border-top:1px solid var(--line-dark);
    font-size:15px;
  }
  .nav-link::after{left:auto;right:0;bottom:auto;top:50%;width:2px;height:0;transform:translateY(-50%)}
  .nav-link[aria-current="page"]::after{height:22px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:760px){
  .masthead-inner{grid-template-columns:1fr;gap:12px;justify-items:center}
  .masthead-side--lead{display:none}
  .masthead-side--tail{justify-self:center}
  .util-list{gap:12px;font-size:11.5px}
  .util-status{font-size:11px;letter-spacing:.06em}
  .brand-sub{letter-spacing:.24em}
}

@media (max-width:640px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .util-tel{display:none}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-contact-label{min-width:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}

@media (max-width:420px){
  .util-inner{justify-content:center;gap:10px}
  .util-status{display:none}
  .brand-mark{letter-spacing:.06em}
}

/* ---------- 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;
    scroll-behavior:auto !important;
  }
  .scroll-meter-fill{transition:none}
}