/* ============================================================
   非凡体育入口 · 全站共享样式 /assets/site.css
   夜间球场底 + 发丝战术网格 + 荧光锚点
   ============================================================ */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:124px;
}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,pre{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video,canvas{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
a{color:inherit;}
table{border-collapse:collapse;width:100%;}

/* ---------- 2. 变量 ---------- */
:root{
  --pitch:#06110D;
  --panel:#0B1F16;
  --panel-soft:#0E271B;
  --line:#123326;
  --line-strong:#1B4A34;
  --accent:#C6FF3D;
  --accent-soft:#E6FFA8;
  --red:#FF4436;
  --amber:#FFA92B;
  --white:#F2F6F1;
  --muted:#93A99C;
  --archive:#05070A;
  --season-1:#1E5C3A;
  --season-2:#2FA86A;

  --font-display:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Heiti SC",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --slope:4deg;
  --ease:cubic-bezier(.22,.8,.3,1);
}
:root[data-season="1990"]{--season-1:#17402C;--season-2:#2FA86A;}
:root[data-season="2005"]{--season-1:#1B4A3A;--season-2:#37C08A;}
:root[data-season="2015"]{--season-1:#3A5A12;--season-2:#8FBF2E;}
:root[data-season="2024"]{--season-1:#1E5C3A;--season-2:#C6FF3D;}

/* ---------- 3. 基础 ---------- */
body{
  background-color:var(--pitch);
  color:var(--white);
  font-family:var(--font-display);
  font-size:clamp(16px,0.5vw + 14.5px,18px);
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(to bottom,rgba(18,51,38,.55) 0 1px,transparent 1px 88px),
    repeating-linear-gradient(to right,rgba(18,51,38,.55) 0 1px,transparent 1px 88px);
}
main{display:block;position:relative;z-index:1;}

.wrap{
  width:100%;
  max-width:1440px;
  margin-inline:auto;
  padding-inline:clamp(1.1rem,4.4vw,4rem);
}

h1,h2,h3,h4{font-weight:900;letter-spacing:-.02em;line-height:1.18;}
p{text-wrap:pretty;}

.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  letter-spacing:-.01em;
}
.label{
  display:inline-block;
  font-family:var(--font-display);
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  line-height:1.5;
  color:var(--muted);
}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ---------- 4. 跳至主要内容 ---------- */
.skip-link{
  position:fixed;
  left:12px;
  top:-140px;
  z-index:200;
  padding:12px 20px;
  background:var(--accent);
  color:#06110D;
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  text-decoration:none;
  transition:top .22s var(--ease);
}
.skip-link:focus{top:12px;}

/* ---------- 5. 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.68em 1.15em;
  border:1px solid var(--accent);
  background:var(--accent);
  color:#06110D;
  font-size:14px;
  font-weight:800;
  letter-spacing:.05em;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  border-radius:0;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.btn:hover{background:var(--accent-soft);border-color:var(--accent-soft);transform:translateX(4px);}
.btn--ghost{background:transparent;color:var(--accent);}
.btn--ghost:hover{background:var(--accent);color:#06110D;}

/* ---------- 6. 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--pitch);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header[data-scrolled="true"]{
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}

/* 刊头 */
.masthead{
  position:relative;
  border-bottom:1px solid var(--line);
}
.masthead::before{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:min(34%,420px);
  height:3px;
  background:linear-gradient(90deg,var(--accent),var(--season-2) 55%,transparent);
  pointer-events:none;
}
.masthead-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:clamp(8px,2vw,32px);
  padding-block:clamp(14px,2.4vw,26px);
  transition:padding .38s var(--ease);
}
.masthead-side{
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:0;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.masthead-side--end{
  align-items:flex-end;
  text-align:right;
}
.masthead-side .num{
  font-size:clamp(1.05rem,1.9vw,1.55rem);
  color:var(--white);
}
.masthead-side--end .num{color:var(--accent);}

.masthead-brand{
  text-align:center;
  padding-inline:clamp(6px,2vw,30px);
}
.brand{
  display:inline-block;
  font-size:clamp(1.45rem,3.4vw,2.6rem);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.05;
  color:var(--white);
  text-decoration:none;
  transition:color .25s var(--ease),font-size .38s var(--ease);
}
.brand:hover{color:var(--accent);}
.brand-sub{
  display:block;
  margin-top:.5em;
  font-size:11px;
  letter-spacing:.3em;
  color:var(--muted);
  transition:opacity .25s var(--ease);
}

/* 收缩态 */
.site-header[data-scrolled="true"] .masthead-inner{padding-block:7px;}
.site-header[data-scrolled="true"] .brand{font-size:clamp(1.05rem,1.9vw,1.4rem);}
.site-header[data-scrolled="true"] .brand-sub{opacity:0;}
.site-header[data-scrolled="true"] .masthead-side{opacity:0;visibility:hidden;}

/* 栏目条 */
.nav-bar{
  background:rgba(11,31,22,.86);
  border-bottom:1px solid var(--line);
}
.nav-bar-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:clamp(8px,1.6vw,18px);
  padding-block:9px;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:.6em;
  padding:.55em .85em;
  border:1px solid var(--line-strong);
  background:var(--panel);
  color:var(--white);
  font-size:12px;
  font-weight:800;
  letter-spacing:.14em;
  grid-area:toggle;
  justify-self:start;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent);}
.nav-toggle-icon{
  display:block;
  width:16px;
  height:2px;
  background:var(--accent);
  position:relative;
}
.nav-toggle-icon::before,
.nav-toggle-icon::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  background:var(--accent);
  transition:transform .22s var(--ease);
}
.nav-toggle-icon::before{top:-5px;}
.nav-toggle-icon::after{top:5px;}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before{transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after{transform:translateY(-5px) rotate(-45deg);}

.primary-nav{grid-column:2;justify-self:center;}
.nav-list{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:clamp(2px,1.2vw,16px);
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 8px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--white);
  text-decoration:none;
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:8px;
  right:8px;
  bottom:3px;
  height:3px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--accent);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link[aria-current="page"]{color:var(--accent);}
.nav-link[aria-current="page"]::after{transform:scaleX(1);}

/* 赛季色阶 */
.season-switch{
  position:relative;
  grid-column:1;
  justify-self:start;
}
.season-switch-btn{
  display:inline-flex;
  align-items:center;
  gap:.7em;
  padding:.4em .75em;
  border:1px solid var(--line-strong);
  background:var(--panel);
  color:var(--white);
  transition:border-color .22s var(--ease);
}
.season-switch-btn:hover{border-color:var(--accent);}
.season-switch-btn .num{font-size:14px;color:var(--accent);}
.season-menu{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  z-index:80;
  display:grid;
  gap:2px;
  min-width:196px;
  padding:6px;
  background:var(--panel);
  border:1px solid var(--line-strong);
  box-shadow:0 18px 40px rgba(0,0,0,.55);
}
.season-menu[hidden]{display:none;}
.season-menu button{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  width:100%;
  padding:9px 11px;
  color:var(--white);
  font-family:var(--font-mono);
  font-size:14px;
  text-align:left;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.season-menu button::after{
  content:"—";
  color:var(--line-strong);
  font-family:var(--font-display);
  font-size:12px;
}
.season-menu button:hover{background:var(--pitch);color:var(--accent);}
.season-menu button[aria-pressed="true"]{background:rgba(198,255,61,.12);color:var(--accent);}
.season-menu button[aria-pressed="true"]::after{content:"●";color:var(--accent);font-size:10px;}

.nav-cta{grid-column:3;justify-self:end;}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(4rem,9vw,7rem);
  background:var(--archive);
  border-top:1px solid var(--line);
  padding-block:clamp(2.6rem,5vw,4.5rem) 2rem;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;
  top:-1px;
  width:100%;
  height:4px;
  background:linear-gradient(90deg,var(--season-1),var(--season-2) 48%,var(--accent) 78%,transparent);
  pointer-events:none;
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(210px,1.1fr) 2fr;
  gap:clamp(24px,4vw,64px);
  padding-bottom:clamp(2rem,4vw,3rem);
  border-bottom:1px solid var(--line);
}
.footer-brand-mark{
  display:inline-block;
  font-size:clamp(1.25rem,2.3vw,1.85rem);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.1;
  color:var(--white);
  text-decoration:none;
  transition:color .2s var(--ease);
}
.footer-brand-mark:hover{color:var(--accent);}
.footer-brand-note{
  margin-top:.85em;
  max-width:32ch;
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}
.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,3vw,40px);
}
.footer-col-title{
  margin-bottom:1em;
  font-size:11px;
  font-weight:700;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
}
.footer-list li + li{margin-top:.55em;}
.footer-list a{
  font-size:15px;
  color:var(--white);
  opacity:.82;
  text-decoration:none;
  transition:opacity .2s var(--ease),color .2s var(--ease);
}
.footer-list a:hover{opacity:1;color:var(--accent);}

.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px 32px;
  padding-top:1.7rem;
  font-size:13px;
  color:var(--muted);
}
.footer-contact{
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.01em;
}
.footer-legal{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--muted);
}

/* 返回顶部 · 补时牌 */
.to-top{
  position:fixed;
  right:clamp(12px,3vw,28px);
  bottom:clamp(12px,3vw,28px);
  z-index:55;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  width:66px;
  height:66px;
  background:var(--amber);
  color:#06110D;
  border:2px solid #06110D;
  outline:1px solid var(--amber);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),background .2s var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--accent);}
.to-top-num{font-family:var(--font-mono);font-size:16px;font-weight:700;line-height:1;}
.to-top-label{font-size:10px;font-weight:800;letter-spacing:.14em;line-height:1;}

/* ---------- 8. 图片容器基础规则（页面阶段使用） ---------- */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  border:1px solid var(--line);
  background:
    linear-gradient(135deg,rgba(30,92,58,.4),transparent 62%),
    repeating-linear-gradient(-4deg,rgba(18,51,38,.85) 0 1px,transparent 1px 13px),
    var(--panel);
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-frame--square{aspect-ratio:1 / 1;}
.media-frame > img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame[data-media-label]::after{
  content:attr(data-media-label);
  position:absolute;
  left:0;
  bottom:0;
  padding:.42em .8em;
  background:var(--accent);
  color:#06110D;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.1em;
  line-height:1.4;
}

/* ---------- 9. 平板 ---------- */
@media (max-width:980px){
  .nav-bar-inner{
    grid-template-columns:1fr auto;
    grid-template-areas:
      "toggle cta"
      "nav nav";
    gap:10px;
    padding-block:10px;
  }
  .nav-toggle{display:inline-flex;grid-area:toggle;}
  .season-switch{display:none;}
  .nav-cta{grid-area:cta;justify-self:end;}
  .primary-nav{
    grid-area:nav;
    grid-column:auto;
    justify-self:stretch;
    display:none;
    width:100%;
    border-top:1px solid var(--line);
    padding-top:10px;
    margin-top:2px;
  }
  .primary-nav[data-open="true"]{display:block;}
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-list li{border-bottom:1px solid var(--line);}
  .nav-list li:last-child{border-bottom:0;}
  .nav-link{
    display:block;
    padding:14px 2px;
    font-size:17px;
  }
  .nav-link::after{display:none;}
  .nav-link[aria-current="page"]{padding-left:14px;}
  .nav-link[aria-current="page"]::before{
    content:"";
    position:absolute;
    left:0;
    top:50%;
    width:6px;
    height:6px;
    margin-top:-3px;
    background:var(--accent);
  }

  .footer-top{grid-template-columns:1fr;}
  .footer-nav{grid-template-columns:repeat(2,minmax(0,1fr));}
}

/* ---------- 10. 手机 ---------- */
@media (max-width:720px){
  html{scroll-padding-top:96px;}
  .masthead-inner{
    grid-template-columns:1fr;
    justify-items:center;
    gap:10px;
    padding-block:14px;
  }
  .masthead-side{
    flex-direction:row;
    align-items:baseline;
    gap:8px;
  }
  .masthead-side--end{align-items:baseline;text-align:center;}
  .masthead-side .num{font-size:1rem;}
  .masthead-brand{padding-inline:0;order:-1;}
  .brand-sub{letter-spacing:.24em;}
  .site-header[data-scrolled="true"] .masthead-side{opacity:1;visibility:visible;}
}
@media (max-width:520px){
  .footer-nav{grid-template-columns:1fr;}
  .footer-meta{flex-direction:column;align-items:flex-start;}
  .footer-contact{flex-direction:column;gap:4px;}
  .to-top{width:56px;height:56px;}
  .to-top-num{font-size:14px;}
}

/* ---------- 11. 偏好与打印 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}
@media print{
  body{background:#fff;color:#000;}
  body::before{display:none;}
  .site-header,.to-top,.skip-link{display:none !important;}
  .site-footer{background:#fff;border-top:1px solid #000;color:#000;}
  .site-footer::before{display:none;}
  .footer-list a,.footer-brand-mark,.footer-contact,.footer-legal{color:#000;}
  a[href]::after{content:" (" attr(href) ")";font-size:11px;}
}