/* ==========================================================================
   浩瀚体育主站 · 共享外壳样式 / assets/site.css
   夜间赛场数据大屏 × 体育杂志特刊
   ========================================================================== */

:root{
  --ink:#070C14;
  --rock:#1B2430;
  --paper:#EFEAE1;
  --fog:#8A9AA8;
  --cyan:#22E0D6;
  --orange:#FF6B1A;
  --gold:#F5C542;
  --moss:#3F6B4E;
  --clay:#C07A52;
  --line:#24303F;
  --white:#FFFFFF;

  --max:1440px;
  --gutter:clamp(16px,4vw,48px);
  --header-h:70px;

  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --ease: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(--ink);
  color:var(--paper);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
hr{border:0;border-top:1px solid var(--line);margin:0}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:rgba(34,224,214,.28);color:var(--white)}
#main-content{scroll-margin-top:calc(var(--header-h) + 12px)}
body::-webkit-scrollbar{width:10px}
body::-webkit-scrollbar-track{background:#050910}
body::-webkit-scrollbar-thumb{background:var(--line)}
body::-webkit-scrollbar-thumb:hover{background:var(--cyan)}

/* ---------- 大屏纹理：扫描线 ---------- */
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:5;
  pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(34,224,214,.05) 0 1px,transparent 1px 4px);
  opacity:.5;
  animation:scan-drift 40s linear infinite;
}
@keyframes scan-drift{
  from{transform:translateY(0)}
  to{transform:translateY(4px)}
}

/* ---------- 文字建筑 ---------- */
.display{font-size:clamp(38px,7.2vw,102px);font-weight:200;line-height:1.03;letter-spacing:-.015em}
.display--tight{line-height:.96}
.section-title{font-size:clamp(24px,3.2vw,42px);font-weight:600;line-height:1.18}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;
  color:var(--cyan);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);opacity:.7}
.lede{font-size:clamp(16px,1.3vw,19px);line-height:1.75;color:var(--fog);max-width:62ch}
.note{font-size:13.5px;line-height:1.7;color:var(--fog)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.measure{max-width:60ch}
.text-cyan{color:var(--cyan)}
.text-orange{color:var(--orange)}
.text-gold{color:var(--gold)}

/* ---------- 布局基础设施 ---------- */
.shell{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.shell--narrow{max-width:860px}
.shell--mid{max-width:1120px}
.page-shell{padding-top:var(--header-h);min-height:60vh}
.page-shell--flush{padding-top:0}
.section{padding:clamp(48px,7vw,110px) 0}
.section--tight{padding:clamp(28px,4vw,56px) 0}
.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.stack{display:grid;gap:clamp(14px,1.6vw,22px)}
.rule{height:1px;width:100%;background:var(--line)}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--paper);
  font-size:13px;letter-spacing:.1em;line-height:1.2;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn:hover{border-color:var(--cyan);color:var(--cyan)}
.btn:active{transform:translateY(1px)}
.btn--signal{background:var(--cyan);border-color:var(--cyan);color:var(--ink);font-weight:700}
.btn--signal:hover{background:var(--orange);border-color:var(--orange);color:var(--ink)}
.btn--ghost{background:rgba(239,234,225,.06);border-color:transparent}
.btn--ghost:hover{border-color:var(--cyan);background:rgba(34,224,214,.1);color:var(--cyan)}
.btn--gold{background:var(--gold);border-color:var(--gold);color:#1B1405;font-weight:700}
.btn--gold:hover{background:#FFD766;border-color:#FFD766;color:#1B1405}
.btn--sm{padding:8px 13px;font-size:12px;letter-spacing:.08em}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;top:0;left:0;z-index:200;
  transform:translateY(-130%);
  padding:12px 20px;
  background:var(--cyan);color:var(--ink);
  font-size:13px;font-weight:700;letter-spacing:.08em;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 头部 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:linear-gradient(180deg,rgba(7,12,20,.88),rgba(7,12,20,0));
  border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease);
}
.site-header[data-scrolled],
.site-header[data-nav-open]{
  background:rgba(7,12,20,.95);
  border-bottom-color:var(--line);
  backdrop-filter:blur(10px);
}
.header-grid{
  width:100%;max-width:var(--max);
  margin:0 auto;
  padding:0 var(--gutter);
  min-height:var(--header-h);
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(14px,2.4vw,40px);
}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px}
.brand__mark{
  flex:0 0 auto;width:6px;height:24px;
  background:linear-gradient(180deg,var(--cyan) 0%,var(--cyan) 45%,var(--orange) 45%,var(--orange) 100%);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:15px;font-weight:700;letter-spacing:.05em}
.brand__sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--fog)}

/* 主导航 */
.site-nav{grid-column:2;display:flex;justify-content:flex-end}
.site-nav__list{display:flex;align-items:center;gap:clamp(14px,2vw,30px);flex-wrap:wrap}
.site-nav__item{display:flex}
.site-nav__link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 0;
  font-size:13.5px;letter-spacing:.08em;color:var(--fog);
  transition:color .2s var(--ease);
}
.site-nav__link:hover{color:var(--paper)}
.site-nav__link[aria-current="page"]{color:var(--cyan)}
.site-nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;background:var(--cyan);
}
.site-nav__foot{display:none}
.nav-index{display:grid;margin-top:16px;border-top:1px solid var(--line)}
.nav-index__row{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 2px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
}
.nav-index__day{color:var(--paper)}
.nav-index__meta{color:var(--fog)}
.site-nav__foot-note{
  margin-top:22px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--fog);
}
.site-nav__foot .btn{width:100%;margin-top:8px}
.site-nav__foot .btn:first-child{margin-top:0}

/* 头部工具区 */
.header-tools{grid-column:3;display:flex;align-items:center;gap:14px}
.date-index{position:relative}
.date-index__toggle{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:9px 12px;border:1px solid var(--line);
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--fog);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.date-index__toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.date-index__toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan);background:rgba(34,224,214,.08)}
.date-index__value{color:var(--paper);font-weight:700}
.date-index__panel{
  position:absolute;top:calc(100% + 10px);right:0;
  width:290px;max-width:calc(100vw - 32px);
  padding:16px 18px;
  background:var(--rock);
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(0,0,0,.6);
}
.date-index__note{
  margin-bottom:12px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--fog);
}
.date-index__list{display:grid}
.date-index__row{
  display:flex;justify-content:space-between;gap:10px;
  padding:9px 0;border-bottom:1px dashed var(--line);
  font-family:var(--mono);font-size:12px;
}
.date-index__row:last-child{border-bottom:0}
.date-index__day{color:var(--paper)}
.date-index__meta{color:var(--fog)}
.date-index__row--today .date-index__day{color:var(--orange)}

/* 汉堡 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  grid-column:3;justify-self:end;
  padding:10px 13px;border:1px solid var(--line);
  font-size:12px;letter-spacing:.14em;color:var(--paper);
}
.nav-toggle__bars{position:relative;display:block;width:16px;height:12px}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;
  transition:transform .22s var(--ease),top .22s var(--ease),bottom .22s var(--ease);
}
.nav-toggle__bars::before{top:1px}
.nav-toggle__bars::after{bottom:1px}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:5px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{bottom:5px;transform:rotate(-45deg)}

/* 进度条 */
.header-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden}
.header-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  width:100%;max-width:var(--max);
  margin:0 auto;
  padding:calc(var(--header-h) + 18px) var(--gutter) 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--fog);
}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs__sep{color:var(--line)}
.breadcrumbs [aria-current="page"]{color:var(--paper)}

/* ---------- 面板 / 卡片 / 标签 ---------- */
.panel{
  position:relative;
  background:var(--rock);
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,32px);
}
.panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:48px 48px;opacity:.28;
}
.panel > *{position:relative;z-index:1}
.card{
  background:var(--rock);
  border:1px solid var(--line);
  padding:clamp(16px,2vw,26px);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.card:hover{border-color:var(--cyan);transform:translateY(-2px)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 8px;border:1px solid var(--line);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--fog);
  white-space:nowrap;
}
.tag--live{color:var(--orange);border-color:rgba(255,107,26,.5);background:rgba(255,107,26,.1)}
.tag--soon{color:var(--cyan);border-color:rgba(34,224,214,.5);background:rgba(34,224,214,.08)}
.tag--done{color:#9FC7AC;border-color:rgba(63,107,78,.8);background:rgba(63,107,78,.24)}
.tag--gold{color:var(--gold);border-color:rgba(245,197,66,.45);background:rgba(245,197,66,.1)}
.tag--clay{color:var(--clay);border-color:rgba(192,122,82,.5);background:rgba(192,122,82,.14)}
.dot{width:6px;height:6px;background:currentColor;flex:0 0 auto}

/* ---------- 图片容器基础规则 ---------- */
.media-frame{
  position:relative;overflow:hidden;
  background:var(--rock);
  border:1px solid var(--line);
  aspect-ratio:16 / 9;
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.92) contrast(1.06) brightness(.84);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(180deg,rgba(7,12,20,.12) 0%,rgba(7,12,20,.58) 100%),
    repeating-linear-gradient(0deg,rgba(7,12,20,.22) 0 1px,transparent 1px 3px);
}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:14px 16px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--paper);
}
.media-frame--placeholder{
  background-image:
    linear-gradient(rgba(36,48,63,.9) 1px,transparent 1px),
    linear-gradient(90deg,rgba(36,48,63,.9) 1px,transparent 1px);
  background-size:32px 32px;
}

/* ---------- 章节索引 ---------- */
.chapter-rail{position:sticky;top:calc(var(--header-h) + 28px);align-self:start}
.chapter-rail__title{
  margin-bottom:14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--fog);
}
.chapter-rail__list{display:grid;gap:2px}
.chapter-rail__link{
  display:block;
  padding:8px 0 8px 12px;
  border-left:1px solid var(--line);
  font-size:13px;color:var(--fog);
  transition:color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease);
}
.chapter-rail__link:hover{color:var(--paper)}
.chapter-rail__link[aria-current="true"]{color:var(--cyan);border-left-color:var(--cyan);padding-left:16px}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:clamp(14px,2vw,30px);
  bottom:clamp(14px,2vw,30px);
  z-index:80;
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;
  background:rgba(27,36,48,.94);
  border:1px solid var(--line);
  color:var(--paper);
  backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--cyan);color:var(--cyan)}
.to-top__arrow{font-size:14px;line-height:1}
.to-top__text{display:flex;flex-direction:column;line-height:1.35;text-align:left}
.to-top__lead{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--fog)}
.to-top__name{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em}
.to-top__name:empty{display:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(60px,8vw,120px);
  background:linear-gradient(180deg,#0A1119 0%,var(--ink) 100%);
  border-top:1px solid var(--line);
  color:var(--paper);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.3;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
}
.footer-grid{
  position:relative;z-index:1;
  width:100%;max-width:var(--max);
  margin:0 auto;
  padding:clamp(40px,6vw,84px) var(--gutter) clamp(26px,4vw,44px);
  display:grid;
  grid-template-columns:minmax(240px,1.15fr) minmax(0,2fr);
  gap:clamp(28px,4vw,64px);
  align-items:start;
}
.footer-brand__sign{
  font-size:clamp(22px,2.4vw,32px);
  font-weight:200;line-height:1.2;letter-spacing:.03em;
}
.footer-brand__tagline{
  margin-top:12px;max-width:34ch;
  font-size:14px;line-height:1.7;color:var(--fog);
}
.footer-brand__cta{margin-top:22px}
.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr));gap:clamp(20px,2.6vw,40px)}
.footer-col__title{
  display:flex;align-items:center;gap:8px;
  margin-bottom:16px;
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--cyan);
}
.footer-col__title::before{content:"";width:6px;height:6px;background:var(--cyan);flex:0 0 auto}
.footer-col__list{display:grid;gap:10px}
.footer-col__list a{font-size:14px;color:rgba(239,234,225,.82);transition:color .2s var(--ease),opacity .2s var(--ease)}
.footer-col__list a:hover{color:var(--cyan)}
.footer-contact{
  grid-column:1 / -1;
  display:flex;flex-wrap:wrap;gap:10px 34px;
  padding-top:clamp(20px,3vw,32px);
  border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.05em;color:var(--fog);
}
.footer-contact__item--wide{flex-basis:100%}
.footer-base{
  position:relative;z-index:1;
  width:100%;max-width:var(--max);
  margin:0 auto;
  padding:18px var(--gutter) 34px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 28px;
  border-top:1px solid var(--line);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--fog);
}
.footer-base__links{display:flex;flex-wrap:wrap;gap:8px 20px}
.footer-base__links a:hover{color:var(--cyan)}
.footer-base__copy{color:var(--fog)}

/* ---------- 淡入 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
html.js [data-reveal].is-visible{opacity:1;transform:none}
html.js [data-reveal].is-instant{transition:none}

/* ---------- 平板 ---------- */
@media (max-width:1080px){
  .site-nav__list{gap:14px}
  .date-index__toggle{padding:9px 10px}
}

/* ---------- 移动 / 小屏 ---------- */
@media (max-width:980px){
  .header-grid{
    grid-template-columns:1fr auto;
    row-gap:0;
    padding-top:8px;
    padding-bottom:8px;
  }
  .brand{grid-column:1}
  .header-tools{display:none}
  .nav-toggle{display:inline-flex;grid-column:2}
  .site-nav{
    grid-column:1 / -1;
    grid-row:2;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    margin-top:10px;
    padding:6px 0 22px;
    border-top:1px solid var(--line);
    max-height:calc(100vh - var(--header-h) - 20px);
    overflow-y:auto;
  }
  .site-nav[data-open]{display:flex}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__item{border-bottom:1px solid var(--line);display:block}
  .site-nav__link{
    width:100%;justify-content:space-between;
    padding:15px 2px;
    font-size:15.5px;letter-spacing:.06em;color:var(--paper);
  }
  .site-nav__link[aria-current="page"]{color:var(--cyan)}
  .site-nav__link[aria-current="page"]::after{display:none}
  .site-nav__link[aria-current="page"]::before{
    content:"NOW";
    order:2;
    font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--cyan);
  }
  .site-nav__foot{display:block;margin-top:22px}

  .footer-grid{grid-template-columns:1fr}
  .footer-nav{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
  .to-top{padding:9px 12px}
}

@media (max-width:620px){
  body{font-size:16px}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .footer-base{flex-direction:column;align-items:flex-start}
  .to-top__lead{display:none}
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body::after{animation:none}
  html.js [data-reveal]{opacity:1;transform:none;transition:none}
  .card,.btn,.site-nav__link,.to-top,.skip-link,.chapter-rail__link{transition:none}
  .card:hover{transform:none}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important}
}