/* ==========================================================================
   华体会赛场 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 页头 / 页脚 / 通用组件
   ========================================================================== */

:root{
  --c-deep:#050D1F;
  --c-night:#0A1730;
  --c-panel:#10224A;
  --c-track:#1B3667;
  --c-signal:#3E6FD1;
  --c-mist:#9DB2D8;
  --c-paper:#EAF0FB;
  --c-orange:#FF6B1A;
  --c-gold:#FFA45C;
  --c-teal:#2ED9C3;

  --wrap:1240px;
  --gutter:clamp(18px,4vw,40px);
  --r-lg:32px;
  --r-md:22px;
  --r-pill:999px;

  --f-head:system-ui,'PingFang SC','HarmonyOS Sans SC','Noto Sans SC',sans-serif;
  --f-body:system-ui,'PingFang SC','HarmonyOS Sans SC','Noto Sans SC',sans-serif;
  --f-num:'IBM Plex Mono','SFMono-Regular',ui-monospace,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --lay:clamp(56px,8vw,110px);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-deep);
  color:var(--c-paper);
  font-family:var(--f-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-family:var(--f-head);
  font-weight:900;
  line-height:1.14;
  letter-spacing:.01em;
  margin:0 0 .55em;
  color:var(--c-paper);
}
p,li,dd,dt{word-break:break-word}
p{margin:0 0 1.1em}
a{color:var(--c-signal)}
a:hover{color:var(--c-gold)}
img,svg{max-width:100%}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-orange);outline-offset:3px;border-radius:4px}

/* ---------- 布局容器 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(46px,7vw,96px)}
.section--tight{padding-block:clamp(26px,4vw,52px)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:clamp(20px,3vw,36px)
}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.rule{height:1px;background:var(--c-track);border:0;margin:clamp(24px,4vw,48px) 0}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--c-orange);margin-bottom:14px
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--c-orange);border-radius:2px}
.prose{max-width:68ch}
.prose p{margin:0 0 1.15em}
.prose h2{font-size:clamp(24px,3vw,34px);margin-top:1.5em}
.prose h3{font-size:clamp(19px,2.2vw,24px);margin-top:1.4em}
.tilt{display:inline-block;transform:skewX(-6deg);transform-origin:left center}

/* ---------- 数字 ---------- */
.num{
  font-family:var(--f-num);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  letter-spacing:-.01em;
}
.num-lg{
  font-family:var(--f-num);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1;
  color:var(--c-paper);
  display:block;
}

/* ---------- 按钮与胶囊 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1.2;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),
             border-color .22s var(--ease),transform .22s var(--ease)
}
.btn-primary{background:var(--c-orange);color:#0A0F1C}
.btn-primary:hover{background:var(--c-gold);color:#0A0F1C;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--c-track);color:var(--c-paper)}
.btn-ghost:hover{border-color:var(--c-orange);color:var(--c-gold);transform:translateY(-2px)}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-track);
  background:rgba(16,34,74,.62);
  color:var(--c-mist);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  text-decoration:none;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease)
}
.pill:hover{border-color:var(--c-orange);color:var(--c-paper);background:rgba(255,107,26,.12)}

/* ---------- 面板与图片容器 ---------- */
.panel{
  background:linear-gradient(158deg,var(--c-panel),var(--c-night) 78%);
  border:1px solid var(--c-track);
  border-radius:var(--r-md);
  padding:clamp(18px,2.4vw,28px);
  transition:border-color .24s var(--ease),transform .24s var(--ease)
}
.panel:hover{border-color:var(--c-orange)}
.media-frame{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--c-track);
  background:
    radial-gradient(120% 90% at 15% 10%,rgba(62,111,209,.28),transparent 62%),
    linear-gradient(150deg,var(--c-panel),var(--c-night));
}
.media-frame>img,.media-frame>svg,.media-frame>picture>img{
  display:block;width:100%;height:100%;object-fit:cover
}
.media-frame[data-ratio="21/9"]{aspect-ratio:21/9}
.media-frame[data-ratio="16/9"]{aspect-ratio:16/9}
.media-frame[data-ratio="4/5"]{aspect-ratio:4/5}
.media-frame[data-ratio="1/1"]{aspect-ratio:1/1}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0 0 22px;padding:0;
  font-size:13px;color:var(--c-mist)
}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--c-track)}
.crumbs a{color:var(--c-mist);text-decoration:none}
.crumbs a:hover{color:var(--c-orange)}

/* ---------- 滚动显现 ---------- */
.has-js .reveal{
  opacity:0;transform:translateY(12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease)
}
.has-js .reveal.is-in{opacity:1;transform:none}

/* ==========================================================================
   跳至主要内容
   ========================================================================== */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:220;
  transform:translateY(-180%);
  background:var(--c-orange);color:#0A0F1C;
  padding:10px 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:700;text-decoration:none;
  transition:transform .22s var(--ease)
}
.skip-link:focus{transform:translateY(0);color:#0A0F1C}

/* ==========================================================================
   页头 · 居中刊头
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:linear-gradient(180deg,rgba(5,13,31,.985) 0%,rgba(5,13,31,.93) 100%);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-track);
}
.masthead{background:transparent}

.mast-row{display:block}

/* 上行：赛季状态 + 快捷入口 */
.mast-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:11px 0 0;max-height:56px;overflow:hidden;
  transition:max-height .34s var(--ease),opacity .2s var(--ease),padding .34s var(--ease)
}
.mast-stage{
  display:inline-flex;align-items:center;gap:9px;margin:0;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--c-mist)
}
.stage-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--c-teal);
  box-shadow:0 0 0 4px rgba(46,217,195,.16);
  animation:stage-pulse 2.6s ease-in-out infinite
}
@keyframes stage-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.4;transform:scale(.78)}
}
.mast-cn{
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--c-mist);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease)
}
.mast-cn:hover{color:var(--c-orange);border-bottom-color:var(--c-orange)}

/* 中行：品牌署名 */
.mast-brand{
  display:flex;justify-content:center;padding:8px 0 14px;
  max-height:150px;overflow:hidden;
  transition:max-height .34s var(--ease),opacity .2s var(--ease),padding .34s var(--ease)
}
.brand-plate{
  display:inline-flex;flex-direction:column;align-items:center;gap:9px;
  text-decoration:none;color:inherit;text-align:center
}
.brand-name{
  display:inline-block;
  font-family:var(--f-head);
  font-size:clamp(28px,4.4vw,50px);
  font-weight:900;line-height:1;letter-spacing:.06em;
  color:var(--c-paper);
  transform:skewX(-6deg);transform-origin:left center;
  text-shadow:0 0 38px rgba(255,107,26,.24)
}
.brand-tagline{
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--c-mist)
}
.mast-brand:hover .brand-name{color:var(--c-gold)}

/* 下行：栏目导航 */
.mast-nav{
  position:relative;
  display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:14px;
  border-top:1px solid var(--c-track);
  padding:10px 0 13px
}
.nav-rail{grid-column:2;justify-self:center}
.nav-list{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:clamp(6px,2vw,26px);
  list-style:none;margin:0;padding:0
}
.nav-item{display:block}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 4px;
  color:var(--c-mist);text-decoration:none;
  font-size:15px;font-weight:600;letter-spacing:.03em;
  transition:color .22s var(--ease)
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:1px;height:2px;
  background:var(--c-orange);border-radius:2px;
  transition:left .24s var(--ease),right .24s var(--ease)
}
.nav-link:hover,.nav-link:focus-visible{color:var(--c-paper)}
.nav-link:hover::after,.nav-link:focus-visible::after{left:0;right:0}
.nav-link[aria-current="page"]{color:var(--c-paper)}
.nav-link[aria-current="page"]::after{left:0;right:0;background:var(--c-orange)}

.mast-utility{
  grid-column:3;justify-self:end;
  display:flex;align-items:center;gap:10px
}

/* 折叠状态 */
.site-header[data-compact] .mast-meta{max-height:0;opacity:0;padding-top:0;padding-bottom:0}
.site-header[data-compact] .mast-brand{max-height:0;opacity:0;padding-top:0;padding-bottom:0}
.site-header[data-compact] .mast-nav{padding-top:8px;padding-bottom:10px}

/* 移动菜单按钮 */
.nav-toggle{
  grid-column:1;justify-self:start;
  display:none;align-items:center;gap:8px;
  background:transparent;border:1px solid var(--c-track);
  border-radius:var(--r-pill);
  color:var(--c-paper);font-size:13px;font-weight:700;
  padding:8px 14px;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease)
}
.nav-toggle:hover{border-color:var(--c-orange);color:var(--c-gold)}
.nav-toggle-bar{display:block;width:14px;height:2px;border-radius:2px;background:var(--c-orange)}
.nav-toggle-label{line-height:1}

/* 阅读进度 */
.progress-bar{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:transparent;pointer-events:none
}
.progress-fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--c-orange),var(--c-gold))
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer{
  background:var(--c-night);
  border-top:1px solid var(--c-track);
  padding:clamp(38px,6vw,72px) 0 26px;
  margin-top:var(--lay)
}
.foot-top{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding-bottom:20px;border-bottom:1px solid var(--c-track);
  margin-bottom:clamp(24px,3vw,38px)
}
.foot-brand{
  display:inline-block;
  font-family:var(--f-head);
  font-size:clamp(20px,2.6vw,28px);
  font-weight:900;letter-spacing:.05em;
  color:var(--c-paper);text-decoration:none;
  transform:skewX(-6deg);transform-origin:left center
}
.foot-brand:hover{color:var(--c-gold)}
.foot-note{margin:0;font-size:12.5px;letter-spacing:.1em;color:var(--c-mist)}

.foot-grid{
  display:grid;
  grid-template-columns:1.1fr 1fr 1.35fr 1fr;
  gap:clamp(20px,3vw,40px)
}
.foot-col{min-width:0}
.foot-title{
  margin:0 0 14px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--c-orange)
}
.foot-list{
  list-style:none;margin:0;padding:0;
  display:flex;flex-direction:column;gap:9px;
  font-size:13.5px;line-height:1.6
}
.foot-list a{color:var(--c-mist);text-decoration:none;transition:color .2s var(--ease)}
.foot-list a:hover{color:var(--c-orange)}
.foot-list--plain li{color:var(--c-mist)}
.foot-icp{color:var(--c-mist)}

.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  margin-top:clamp(28px,4vw,44px);
  padding-top:18px;border-top:1px solid var(--c-track);
  font-size:12.5px;color:var(--c-mist)
}
.foot-closing{margin:0;color:var(--c-paper);font-weight:600;letter-spacing:.04em}
.foot-legal{margin:0}
.to-top{
  background:transparent;border:1px solid var(--c-track);
  border-radius:var(--r-pill);
  color:var(--c-mist);font-size:12.5px;font-weight:600;
  padding:8px 18px;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease)
}
.to-top:hover{border-color:var(--c-orange);color:var(--c-paper)}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1000px){
  .cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:960px){
  .mast-meta{padding-top:9px}
  .mast-brand{padding:6px 0 12px}
  .mast-nav{grid-template-columns:1fr auto;row-gap:10px}
  .nav-toggle{display:inline-flex}
  .nav-rail{grid-column:1 / -1;justify-self:stretch;display:none}
  .nav-rail[data-open]{display:block}
  .nav-rail[data-open] .nav-list{
    flex-direction:column;align-items:stretch;gap:0;margin-top:4px
  }
  .nav-rail[data-open] .nav-item{border-bottom:1px solid var(--c-track)}
  .nav-rail[data-open] .nav-item:last-child{border-bottom:0}
  .nav-rail[data-open] .nav-link{display:block;padding:13px 6px;font-size:16px}
  .nav-link::after{display:none}
  .nav-link:hover,.nav-link:focus-visible{color:var(--c-orange)}
  .nav-link[aria-current="page"]{color:var(--c-orange)}
  .mast-utility{grid-column:2;justify-self:end}
  .site-footer{margin-top:clamp(40px,7vw,72px)}
}

@media (max-width:680px){
  .cols-2,.cols-3,.cols-4{grid-template-columns:minmax(0,1fr)}
  .mast-utility{gap:6px}
  .mast-utility .pill{padding:6px 11px;font-size:11.5px}
  .foot-bottom{justify-content:flex-start}
}

@media (max-width:460px){
  .mast-utility{display:none}
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .brand-tagline{letter-spacing:.08em}
}

/* ==========================================================================
   降级
   ========================================================================== */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important
  }
  .has-js .reveal{opacity:1;transform:none}
  .stage-dot{animation:none}
  .progress-fill{transition:none}
}