/* ============================================================
   悟空赛事 · 全站共享样式 /assets/site.css
   侧边品牌轨道 + 透明转实色导航 + 冷暗基底与金橙锚点
   ============================================================ */

:root{
  --wukong-orange:#FF7A18;
  --orange-deep:#C2410C;
  --ice:#5BC8E8;
  --deep-ice:#0E3A52;
  --void:#0B0D10;
  --ink:#171A20;
  --glass:rgba(255,255,255,.08);
  --glass-line:rgba(255,255,255,.18);
  --hair:rgba(255,255,255,.12);
  --neon:#33E17A;
  --paper:#F2EDE4;
  --neutral:#8C939C;
  --alarm:#FF5A5A;

  --rail-w:84px;
  --header-h:68px;
  --header-h-sm:54px;
  --maxw:1280px;
  --gutter:clamp(18px,4vw,48px);
  --radius:2px;

  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Condensed","Barlow Condensed","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.24s;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,address{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px}

/* ---------- 中文排版基调 ---------- */
body{
  min-height:100%;
  padding-left:var(--rail-w);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--paper);
  background:var(--void);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:900;letter-spacing:-.02em;line-height:1.1;color:var(--paper)}
h1{font-size:clamp(30px,5vw,56px);line-height:1.05}
h2{font-size:clamp(24px,3.4vw,38px)}
h3{font-size:clamp(18px,1.9vw,23px);line-height:1.3}
h4{font-size:17px;line-height:1.4}
p{margin-bottom:1em}
#main-content{scroll-margin-top:96px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:calc(var(--rail-w) + 12px);z-index:200;
  padding:.62em 1.05em;
  background:var(--wukong-orange);color:#170800;
  font-size:14px;font-weight:700;text-decoration:none;
  border-radius:var(--radius);
  transform:translateY(-180%);
  transition:transform .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:none}

/* ---------- 左侧品牌轨道 ---------- */
.rail{
  position:fixed;inset:0 auto 0 0;width:var(--rail-w);z-index:130;
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;
  padding:16px 0 20px;
  background:linear-gradient(180deg,rgba(11,13,16,.96) 0%,rgba(14,58,82,.94) 100%);
  border-right:1px solid var(--hair);
  backdrop-filter:blur(10px);
}
.rail::after{
  content:"";position:absolute;top:0;left:0;width:3px;height:132px;
  background:var(--wukong-orange);
}
.rail__brand{display:flex;flex-direction:column;align-items:center;gap:16px}
.rail__mark,.brand__mark{
  display:grid;place-items:center;
  width:38px;height:38px;
  background:var(--wukong-orange);color:#180800;
  font-size:19px;font-weight:900;line-height:1;
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.rail__brandtext{writing-mode:vertical-rl;text-orientation:mixed;font-size:13px;font-weight:900;letter-spacing:.3em}
.rail__meta{display:flex;flex-direction:column;align-items:center;gap:10px;padding:14px 0}
.rail__label{writing-mode:vertical-rl;font-size:11px;letter-spacing:.28em;color:var(--neutral)}
.rail__current{writing-mode:vertical-rl;font-size:13px;font-weight:700;letter-spacing:.24em;color:var(--wukong-orange)}
.rail__foot{display:flex;flex-direction:column;align-items:center;gap:14px}
.rail__cta{
  writing-mode:vertical-rl;text-orientation:mixed;
  padding:16px 9px;
  background:var(--wukong-orange);color:#180800;
  font-size:12px;font-weight:700;letter-spacing:.24em;text-decoration:none;
  clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 10px));
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.rail__cta:hover{background:var(--paper);color:var(--void)}

.pulse-dot{
  display:block;width:8px;height:8px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 0 0 rgba(51,225,122,.55);
  animation:pulse-dot 2s var(--ease) infinite;
}
@keyframes pulse-dot{
  0%{box-shadow:0 0 0 0 rgba(51,225,122,.55)}
  70%{box-shadow:0 0 0 10px rgba(51,225,122,0)}
  100%{box-shadow:0 0 0 0 rgba(51,225,122,0)}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:var(--rail-w);right:0;z-index:120;
  color:var(--paper);
  background:linear-gradient(180deg,rgba(11,13,16,.74) 0%,rgba(11,13,16,0) 100%);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;bottom:-1px;height:2px;width:112px;
  background:var(--wukong-orange);
  transition:width .45s var(--ease);
}
.site-header[data-scrolled="true"]{
  background:var(--deep-ice);
  border-bottom-color:var(--hair);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.site-header[data-scrolled="true"]::after{width:220px}
.site-header__inner{
  display:flex;align-items:center;gap:clamp(12px,2vw,30px);
  width:100%;max-width:var(--maxw);margin:0 auto;
  padding:0 var(--gutter);
  min-height:var(--header-h);
  transition:min-height var(--dur) var(--ease);
}
.site-header[data-scrolled="true"] .site-header__inner{min-height:var(--header-h-sm)}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand__mark{width:32px;height:32px;font-size:16px}
.brand__text{display:flex;flex-direction:column;gap:2px;font-size:17px;font-weight:900;letter-spacing:.02em;line-height:1.12}
.brand__sub{font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--neutral)}

.nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav__list{display:flex;align-items:center;gap:clamp(14px,1.8vw,28px);min-width:0}
.nav__link{
  position:relative;display:inline-block;
  padding:6px 0;
  font-size:15px;font-weight:500;letter-spacing:.02em;white-space:nowrap;
  color:rgba(242,237,228,.8);text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--wukong-orange);
  transition:width var(--dur) var(--ease);
}
.nav__link:hover{color:var(--paper)}
.nav__link:hover::after{width:100%}
.nav__link[aria-current="page"]{color:var(--paper);font-weight:700}
.nav__link[aria-current="page"]::after{width:100%}

.header__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.header__cta{white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45em;
  padding:.68em 1.15em;
  font-family:var(--font-sans);font-size:14.5px;font-weight:700;letter-spacing:.04em;line-height:1.2;
  text-decoration:none;cursor:pointer;
  color:var(--paper);background:rgba(255,255,255,.06);
  border:1px solid var(--glass-line);
  border-radius:var(--radius);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--wukong-orange);color:#170800;border-color:transparent}
.btn--primary:hover{background:var(--orange-deep);color:var(--paper)}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--glass-line)}
.btn--ghost:hover{border-color:var(--wukong-orange);color:var(--wukong-orange)}

/* ---------- 移动导航按钮与面板 ---------- */
.nav-toggle{
  display:none;
  width:46px;height:38px;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:rgba(255,255,255,.07);color:var(--paper);
  border:1px solid var(--glass-line);border-radius:var(--radius);
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle__bar{display:block;width:18px;height:2px;background:currentColor;transition:transform var(--dur) var(--ease),opacity .16s linear}
.site-header[data-open="true"] .nav-toggle{background:var(--wukong-orange);color:#170800;border-color:transparent}
.site-header[data-open="true"] .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header[data-open="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.site-header[data-open="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-panel{
  position:absolute;left:0;right:0;top:100%;
  display:grid;gap:16px;
  padding:0 var(--gutter);
  max-height:0;overflow:hidden;
  background:var(--deep-ice);
  border-bottom:1px solid var(--hair);
  transition:max-height .3s var(--ease),padding .3s var(--ease);
}
.site-header[data-open="true"] .nav-panel{max-height:min(72vh,560px);padding:22px var(--gutter) 26px;overflow-y:auto}
.nav-panel__title{font-size:11px;font-weight:700;letter-spacing:.28em;color:var(--ice)}
.nav-panel__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}
.nav-panel__link{display:block;padding:11px 0;font-size:16px;font-weight:700;text-decoration:none;border-bottom:1px solid var(--hair)}
.nav-panel__link:hover{color:var(--wukong-orange)}
.nav-panel__cta{justify-self:start}
.nav-panel__note{font-size:12.5px;letter-spacing:.06em;color:var(--neutral)}

/* ---------- 移动端底部快捷条 ---------- */
.quickbar{
  position:fixed;left:0;right:0;bottom:0;z-index:125;
  display:none;grid-template-columns:repeat(4,1fr);
  background:rgba(11,13,16,.94);
  border-top:1px solid var(--hair);
  backdrop-filter:blur(10px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
.quickbar__link{
  display:flex;align-items:center;justify-content:center;
  padding:13px 4px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--neutral);text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.quickbar__link:hover{color:var(--paper)}
.quickbar__link[aria-current="page"]{color:var(--wukong-orange)}

/* ---------- 滚动进度与返回顶部 ---------- */
.scroll-progress{
  position:fixed;top:0;left:var(--rail-w);right:0;height:2px;z-index:140;
  pointer-events:none;background:rgba(255,255,255,.06);
}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--wukong-orange),var(--ice));
  transition:transform .1s linear;
}
.to-top{
  position:fixed;right:clamp(14px,2vw,26px);bottom:clamp(18px,3vw,30px);z-index:135;
  width:46px;height:46px;display:grid;place-items:center;
  background:rgba(23,26,32,.88);color:var(--paper);
  border:1px solid var(--glass-line);border-radius:var(--radius);
  font-size:17px;line-height:1;cursor:pointer;
  backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) linear,background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--wukong-orange);color:#170800;border-color:transparent}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(40px,8vw,96px);
  background:var(--deep-ice);
  color:var(--paper);
}
.site-footer::before{
  content:"";display:block;height:16px;
  background:linear-gradient(90deg,var(--wukong-orange) 0%,var(--orange-deep) 38%,var(--ice) 100%);
  clip-path:polygon(0 0,100% 0,100% 55%,0 100%);
}
.footer__inner{width:100%;max-width:var(--maxw);margin:0 auto;padding:clamp(30px,4.4vw,58px) var(--gutter) 26px}
.footer__strip{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px 26px;
  padding-bottom:22px;border-bottom:1px solid var(--hair);
}
.footer__brandline{font-size:clamp(16px,1.6vw,19px);font-weight:900;letter-spacing:.01em}
.footer__brandline::before{
  content:"";display:inline-block;width:22px;height:3px;margin-right:10px;
  background:var(--wukong-orange);vertical-align:middle;
}
.footer__tagline{font-size:11.5px;font-weight:700;letter-spacing:.22em;color:var(--ice)}
.footer__grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(22px,3vw,40px);
  padding:clamp(24px,3.4vw,40px) 0;
}
.footer__col{min-width:0}
.footer__title{font-size:12px;font-weight:700;letter-spacing:.26em;color:var(--ice);margin-bottom:14px}
.footer__list{display:grid;gap:9px}
.footer__list a{
  font-size:14.5px;color:rgba(242,237,228,.76);text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.footer__list a:hover{color:var(--paper);text-decoration:underline;text-decoration-color:var(--wukong-orange);text-underline-offset:4px}
.footer__contact{display:grid;gap:10px;font-style:normal}
.contact-item{display:flex;gap:9px;font-size:13.5px;line-height:1.6}
.contact-item__key{flex:0 0 auto;padding-top:2px;font-size:11.5px;letter-spacing:.12em;color:var(--ice)}
.contact-item__val{color:rgba(242,237,228,.86);word-break:break-all}
.footer__legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 22px;
  padding-top:20px;border-top:1px solid var(--hair);
  font-size:12px;letter-spacing:.08em;color:var(--neutral);
}
.footer__copy{letter-spacing:.1em}
.footer__icp{font-family:var(--font-num);letter-spacing:.12em}

/* ---------- 通用布局与内容组件 ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.container--wide{max-width:1560px}

.prose{max-width:40em;font-size:17px}
.prose p{margin-bottom:1.05em}
.prose ul,.prose ol{display:grid;gap:6px;margin-bottom:1.05em;padding-left:1.4em;list-style:disc}
.prose ol{list-style:decimal}
.prose h2{margin:1.6em 0 .5em}
.prose h3{margin:1.4em 0 .4em}
.prose strong{font-weight:900;color:#fff}

.section-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.28em;color:var(--wukong-orange);
}
.section-label::before{content:"";width:26px;height:2px;background:currentColor}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px 26px;margin-bottom:clamp(18px,2.6vw,34px);
}
.section-head__title{margin:0}

.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--asym{grid-template-columns:5fr 7fr}
.grid--asym-rev{grid-template-columns:7fr 5fr}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

.glass-panel{
  position:relative;
  padding:clamp(18px,2.4vw,30px);
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius);
  backdrop-filter:blur(12px);
}
.card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:var(--ink);
  border:1px solid var(--hair);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
}
.card__num{display:block;margin-bottom:10px;font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--wukong-orange)}

.stat{display:flex;flex-direction:column;gap:4px}
.stat__num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(34px,6vw,64px);line-height:.95;color:var(--paper)}
.stat__label{font-size:12px;letter-spacing:.18em;color:var(--neutral)}

.media-frame{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;
  background:linear-gradient(140deg,var(--ink) 0%,var(--deep-ice) 100%);
  border:1px solid var(--hair);
  border-radius:var(--radius);
}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--wide{aspect-ratio:21/9}
.media-frame > img,.media-frame > video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 9px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;
  color:var(--paper);background:rgba(255,255,255,.07);
  border:1px solid var(--glass-line);border-radius:var(--radius);
}
.badge--live{color:var(--neon);border-color:rgba(51,225,122,.45)}
.badge--warn{color:var(--alarm);border-color:rgba(255,90,90,.42)}

.breadcrumb{padding:calc(var(--header-h) + 20px) 0 0}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.06em}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px;color:var(--neutral)}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:rgba(255,255,255,.22)}
.breadcrumb__item a{color:var(--neutral);text-decoration:none;transition:color var(--dur) var(--ease)}
.breadcrumb__item a:hover{color:var(--paper)}

.rule{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--ice),rgba(91,200,232,0))}

.surface-light{background:var(--paper);color:#101418;padding:clamp(34px,6vw,84px) 0}
.surface-light h1,.surface-light h2,.surface-light h3,.surface-light h4{color:#101418}
.surface-light .section-label{color:var(--orange-deep)}
.surface-light .stat__num{color:#101418}
.surface-light .stat__label,.surface-light .card__num{color:#5A6270}
.surface-light a:hover{color:var(--orange-deep)}

/* ---------- 可展开内容组 ---------- */
.fold{border-top:1px solid var(--hair)}
.fold:last-child{border-bottom:1px solid var(--hair)}
.fold__btn{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:18px 2px;text-align:left;
  font-family:var(--font-sans);font-size:17px;font-weight:700;color:var(--paper);
  cursor:pointer;
  transition:color var(--dur) var(--ease);
}
.fold__btn:hover{color:var(--ice)}
.fold__icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.fold__icon::before,.fold__icon::after{
  content:"";position:absolute;top:50%;left:50%;
  background:var(--wukong-orange);
  transform:translate(-50%,-50%);
  transition:transform var(--dur) var(--ease);
}
.fold__icon::before{width:14px;height:2px}
.fold__icon::after{width:2px;height:14px}
.fold__btn[aria-expanded="true"] .fold__icon::after{transform:translate(-50%,-50%) scaleY(0)}
.fold__panel{overflow:hidden;max-height:0;transition:max-height var(--dur) var(--ease)}
.fold__panel > *{padding:0 2px 20px;margin:0}

/* ---------- 进入视口显现（需 .has-js） ---------- */
.has-js [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .52s var(--ease),transform .52s var(--ease)}
.has-js [data-reveal][data-revealed="true"]{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media (min-width:1100px){
  .nav-panel{display:none}
}

@media (max-width:1099px){
  body{padding-left:0}
  .rail{display:none}
  .site-header{left:0;background:linear-gradient(180deg,rgba(11,13,16,.88) 0%,rgba(11,13,16,.6) 100%)}
  .scroll-progress{left:0}
  .skip-link{left:12px}
  .breadcrumb{padding-top:128px}

  .site-header__inner{flex-wrap:wrap;gap:10px 14px;padding-top:10px;padding-bottom:8px}
  .site-header[data-scrolled="true"] .site-header__inner{padding-top:6px;padding-bottom:6px}

  .nav{order:3;flex:1 1 100%;justify-content:flex-start;overflow:hidden}
  .nav__list{width:100%;gap:8px;padding:2px 0 6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .nav__list::-webkit-scrollbar{display:none}
  .nav__link{
    padding:6px 13px;font-size:13.5px;
    border:1px solid var(--glass-line);border-radius:999px;
    background:rgba(255,255,255,.05);
  }
  .nav__link::after{display:none}
  .nav__link[aria-current="page"]{background:var(--wukong-orange);color:#170800;border-color:transparent}

  .nav-toggle{display:flex}
  .header__cta{display:none}
}

@media (max-width:1023px){
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--asym,.grid--asym-rev{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:759px){
  .quickbar{display:grid}
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom,0px))}
  .to-top{bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .brand__sub{display:none}
  .nav-panel__list{grid-template-columns:1fr}
  .breadcrumb{padding-top:118px}
}

@media (max-width:619px){
  .grid--3{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .footer__legal{justify-content:flex-start}
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .has-js [data-reveal]{opacity:1;transform:none}
  .pulse-dot{animation:none;box-shadow:0 0 0 4px rgba(51,225,122,.18)}
  .btn:hover,.to-top{transform:none}
}