/* ==========================================================================
   浩瀚体育CN · 共享样式表  /assets/site.css
   近单色暗场 + 粗野主义结构线 + 等宽数字锚点
   ========================================================================== */

:root{
  --void:#061020;
  --hull:#0C1B33;
  --panel:#16294A;
  --line:#1E3A5F;
  --cyan:#37F2E0;
  --orange:#FF6B2C;
  --violet:#8A5CFF;
  --ink:#EAF2FF;
  --mist:#9AB0CC;
  --quiet:#102A45;

  --cyan-10:rgba(55,242,224,.10);
  --cyan-14:rgba(55,242,224,.14);
  --cyan-30:rgba(55,242,224,.30);
  --cyan-50:rgba(55,242,224,.50);
  --orange-40:rgba(255,107,44,.40);
  --line-60:rgba(30,58,95,.60);
  --void-85:rgba(6,16,32,.85);

  --font-sans:"PingFang SC","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","Roboto Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --shell:1240px;
  --gutter:40px;
  --head-h:108px;
  --hard:6px 6px 0 var(--line);
  --track:180ms cubic-bezier(.2,.7,.3,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:var(--head-h);
}
body{
  margin:0;
  background:var(--void);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.12;
  color:var(--ink);
}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
figure{margin:0}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit}
a{color:inherit}
strong{font-weight:800}
hr{border:0;border-top:1.5px solid var(--line);margin:0}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:1px;
}

/* ---------- 排版工具 ---------- */
.is-mono,.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}
.marker{
  display:block;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(48px,7vw,96px);
  font-weight:700;
  line-height:.9;
  letter-spacing:-.04em;
  color:var(--line);
  transition:color .45s ease,transform .45s ease;
}
[data-section].is-active .marker{color:var(--cyan);transform:translateY(-8px)}
.section__title{font-size:clamp(30px,4vw,52px);transition:color .45s ease}
[data-section].is-active .section__title{color:var(--cyan)}

/* ---------- 布局骨架 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gutter);
}
.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:32px;
}
.col-main{grid-column:1 / span 8;min-width:0}
.col-aside{grid-column:10 / span 3;min-width:0}

.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--seam{
  position:relative;
  border-top:1.5px solid var(--line);
}
.section--seam::before{
  content:"";
  position:absolute;
  top:-2px;left:0;
  width:120px;height:3px;
  background:var(--cyan);
}

.page-top{padding-top:var(--head-h)}
#main-content{scroll-margin-top:var(--head-h);display:block}

/* ---------- 正文容器 ---------- */
.prose{
  max-width:66ch;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
}
.prose > * + *{margin-top:1.35em}
.prose h2{font-size:clamp(24px,2.6vw,34px);margin-top:2em}
.prose h3{font-size:20px;margin-top:1.8em}
.prose p{margin:0}
.prose ul,.prose ol{margin:1.2em 0;padding-left:1.4em;list-style:disc}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.5em}
.prose a{
  color:var(--cyan);
  text-decoration:underline;
  text-decoration-thickness:1.5px;
  text-underline-offset:4px;
}
.prose a:hover{color:var(--ink);text-decoration-color:var(--orange)}
.prose strong{color:var(--ink)}
.prose blockquote{
  margin:1.8em 0;
  padding:6px 0 6px 22px;
  border-left:4px solid var(--cyan);
  color:var(--mist);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 24px;
  border:1.5px solid var(--cyan);
  border-radius:0;
  background:transparent;
  color:var(--cyan);
  font-family:inherit;
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:transform var(--track),box-shadow var(--track),background var(--track),color var(--track),border-color var(--track);
}
.btn:hover,.btn:focus-visible{
  background:var(--cyan);
  color:var(--void);
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 var(--orange-40);
}
.btn--solid{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--void);
  box-shadow:5px 5px 0 var(--line);
}
.btn--solid:hover,.btn--solid:focus-visible{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--void);
  box-shadow:6px 6px 0 var(--orange-40);
}
.btn--sm{padding:9px 16px;font-size:13px}

/* ---------- 面板 / 卡片 ---------- */
.panel{
  background:var(--panel);
  border:1.5px solid var(--line);
  box-shadow:var(--hard);
  padding:28px;
}
.panel--flat{box-shadow:none;background:var(--hull)}

/* ---------- 图片容器基础规则 ---------- */
.frame{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(135deg,var(--panel) 0%,var(--hull) 55%,var(--void) 100%);
  border:1.5px solid var(--line);
  box-shadow:var(--hard);
}
.frame > img,
.frame > svg,
.frame > picture > img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(200deg,transparent 42%,var(--cyan-10) 100%);
  mix-blend-mode:screen;
}
.frame--hero{aspect-ratio:16 / 9}
.frame--wide{aspect-ratio:21 / 9}
.frame--square{aspect-ratio:1 / 1}
.frame--portrait{aspect-ratio:3 / 4}
.frame__cap{
  position:absolute;
  left:0;bottom:0;z-index:2;
  padding:8px 14px;
  background:var(--void-85);
  border-top:1.5px solid var(--line);
  border-right:1.5px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--ink);
}

/* ---------- 面包屑 ---------- */
.crumbs{
  padding:24px 0 0;
}
.crumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}
.crumbs__list li{display:flex;align-items:center;gap:10px}
.crumbs__list li + li::before{
  content:"/";
  color:var(--line);
}
.crumbs__list a{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1.5px solid transparent;
  transition:color var(--track),border-color var(--track);
}
.crumbs__list a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.crumbs__list [aria-current="page"]{color:var(--ink)}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:fixed;
  left:16px;
  top:-90px;
  z-index:400;
  padding:11px 20px;
  background:var(--cyan);
  color:var(--void);
  font-weight:800;
  font-size:14px;
  text-decoration:none;
  border:1.5px solid var(--cyan);
  transition:top var(--track);
}
.skip-link:focus{top:16px}

/* ==========================================================================
   页头
   ========================================================================== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:200;
  background:transparent;
  border-bottom:1.5px solid transparent;
  transition:background 260ms ease,border-color 260ms ease;
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(6,16,32,.92) 0%,rgba(6,16,32,.55) 55%,rgba(6,16,32,0) 100%);
  transition:opacity 260ms ease;
}
.site-header.is-scrolled,
.site-header.is-menu-open{
  background:var(--hull);
  border-bottom-color:var(--line);
}
.site-header.is-scrolled::before,
.site-header.is-menu-open::before{opacity:0}

.readline{
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--cyan-10);
  z-index:3;
}
.readline__bar{
  display:block;
  width:0;
  height:100%;
  background:var(--cyan);
  box-shadow:0 0 10px var(--cyan-50);
}

.header-shell{
  position:relative;
  z-index:2;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gutter);
}
.header-bar{
  display:flex;
  align-items:center;
  gap:26px;
  min-height:74px;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--ink);
  text-decoration:none;
}
.brand__dial{
  position:relative;
  width:32px;height:32px;
  border-radius:50%;
  border:1.5px solid var(--line);
  background:conic-gradient(from 210deg,var(--cyan) 0 30%,var(--line) 30% 100%);
  box-shadow:2px 2px 0 rgba(30,58,95,.9);
  flex:0 0 auto;
  transition:transform var(--track),box-shadow var(--track);
}
.brand__dial::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:50%;
  background:var(--hull);
  border:1.5px solid var(--cyan);
}
.brand:hover .brand__dial{
  transform:rotate(-24deg);
  box-shadow:3px 3px 0 var(--orange-40);
}
.brand__type{display:flex;flex-direction:column;line-height:1.05}
.brand__name{
  font-size:20px;
  font-weight:900;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.brand__name em{
  font-style:normal;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--cyan);
  margin-left:5px;
  vertical-align:2px;
}
.brand__sub{
  margin-top:5px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  color:var(--mist);
  white-space:nowrap;
}

/* 主导航 */
.site-nav{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  justify-content:center;
}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
}
.site-nav__link{
  display:block;
  padding:9px 12px;
  font-size:14.5px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--mist);
  text-decoration:none;
  border:1.5px solid transparent;
  white-space:nowrap;
  transition:color var(--track),border-color var(--track),background var(--track);
}
.site-nav__link:hover{
  color:var(--ink);
  border-color:var(--line);
  background:var(--cyan-10);
}
.site-nav__link[aria-current="page"]{
  color:var(--cyan);
  border-color:var(--cyan);
  background:rgba(55,242,224,.07);
}

.nav-leagues{display:none}
.site-nav__foot{display:none}

/* 头部右侧 */
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:10px 17px;
  background:var(--panel);
  border:1.5px solid var(--line);
  box-shadow:3px 3px 0 rgba(30,58,95,.85);
  color:var(--ink);
  font-size:13.5px;
  font-weight:800;
  text-decoration:none;
  white-space:nowrap;
  transition:transform var(--track),box-shadow var(--track),border-color var(--track),color var(--track);
}
.header-cta:hover{
  border-color:var(--orange);
  color:#fff;
  transform:translate(-1px,-1px);
  box-shadow:5px 5px 0 var(--orange-40);
}
.header-cta__dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 9px var(--orange);
  animation:signal 2.6s ease-in-out infinite;
}
@keyframes signal{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.35;transform:scale(.72)}
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  background:transparent;
  border:1.5px solid var(--line);
  color:var(--ink);
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color var(--track),color var(--track),background var(--track);
}
.nav-toggle:hover,
.nav-toggle[aria-expanded="true"]{
  border-color:var(--cyan);
  color:var(--cyan);
  background:var(--cyan-10);
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3.5px;width:16px}
.nav-toggle__bars i{display:block;height:1.5px;background:currentColor;transition:transform var(--track)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 联赛轨道 */
.league-strip{
  display:flex;
  align-items:center;
  gap:16px;
  padding:4px 0 10px;
  border-top:1px solid var(--line-60);
}
.league-strip__tag{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.22em;
  color:var(--mist);
}
.league-strip__row{
  display:flex;
  gap:8px;
  flex:1 1 auto;
  min-width:0;
  overflow-x:auto;
  scrollbar-width:none;
  padding-bottom:2px;
}
.league-strip__row::-webkit-scrollbar{display:none}

.chip{
  flex:0 0 auto;
  padding:5px 13px;
  background:transparent;
  border:1.5px solid var(--line);
  border-radius:0;
  color:var(--mist);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:color var(--track),border-color var(--track),background var(--track),transform var(--track);
}
.chip:hover{color:var(--ink);border-color:var(--cyan);transform:translateY(-1px)}
.chip[aria-pressed="true"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--void);
  font-weight:800;
}

/* 悬浮回程入口 */
.dock-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:210;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  background:var(--hull);
  border:1.5px solid var(--cyan);
  box-shadow:5px 5px 0 rgba(55,242,224,.22);
  color:var(--ink);
  font-size:13px;
  font-weight:800;
  letter-spacing:.02em;
  text-decoration:none;
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity 240ms ease,transform 240ms ease,box-shadow var(--track);
}
.dock-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.dock-cta:hover{box-shadow:6px 6px 0 var(--orange-40);border-color:var(--orange)}
.dock-cta__pulse{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer{
  margin-top:96px;
  background:var(--hull);
  border-top:1.5px solid var(--line);
  color:var(--mist);
}
.footer-shell{
  max-width:var(--shell);
  margin:0 auto;
  padding:72px var(--gutter) 48px;
  display:grid;
  grid-template-columns:
    minmax(220px,1.25fr)
    minmax(170px,.85fr)
    minmax(170px,.85fr)
    minmax(210px,1.05fr);
  gap:48px 40px;
}

.footer-brand__line{
  margin:18px 0 24px;
  max-width:28ch;
  font-size:15px;
  line-height:1.7;
  color:var(--mist);
}
.brand--footer .brand__name{font-size:22px}

.footer-index__title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:16px;
}
.footer-index__list{
  display:flex;
  flex-direction:column;
}
.footer-index__list a{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:10px 0;
  border-bottom:1.5px solid transparent;
  color:var(--mist);
  font-size:15px;
  text-decoration:none;
  transition:color var(--track),border-color var(--track),padding-left var(--track);
}
.footer-index__list a:hover{
  color:var(--ink);
  border-bottom-color:var(--cyan);
  padding-left:6px;
}
.idx{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:11px;
  letter-spacing:.06em;
  color:var(--cyan-50);
}

.footer-contact__list{
  display:grid;
  grid-template-columns:1fr;
  gap:6px 0;
}
.footer-contact__list dt{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.18em;
  color:var(--mist);
  opacity:.65;
  margin-top:12px;
}
.footer-contact__list dt:first-of-type{margin-top:0}
.footer-contact__list dd{
  font-size:15px;
  color:var(--ink);
  line-height:1.6;
  word-break:break-word;
  border-left:2px solid var(--line);
  padding-left:12px;
}
.footer-contact__note{
  margin-top:22px;
  padding-top:16px;
  border-top:1px solid var(--line-60);
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}

.footer-base{
  max-width:var(--shell);
  margin:0 auto;
  padding:22px var(--gutter) 44px;
  border-top:1.5px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--mist);
}
.footer-base__meta{color:var(--line);filter:brightness(1.9)}

/* ==========================================================================
   动效钩子
   ========================================================================== */
[data-reveal]{opacity:1}
.has-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity 520ms ease,transform 520ms ease;
}
.has-js [data-reveal].is-in{opacity:1;transform:none}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1120px){
  .footer-shell{
    grid-template-columns:minmax(200px,1.2fr) minmax(160px,1fr) minmax(160px,1fr);
  }
  .footer-contact{grid-column:1 / -1}
  .footer-contact__list{
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  }
}

@media (max-width:980px){
  :root{--gutter:24px;--head-h:76px}

  .league-strip{display:none}

  .header-shell{position:static}
  .header-bar{min-height:74px;gap:16px}

  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:22px;
    padding:10px var(--gutter) 34px;
    background:var(--hull);
    border-top:1.5px solid var(--line);
    border-bottom:1.5px solid var(--cyan);
    max-height:calc(100vh - var(--head-h));
    overflow-y:auto;
  }
  .site-nav[data-open]{display:flex}

  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__link{
    padding:16px 4px;
    font-size:17px;
    font-weight:800;
    color:var(--ink);
    border:0;
    border-bottom:1.5px solid var(--line);
  }
  .site-nav__link:hover{
    color:var(--cyan);
    background:transparent;
    border-color:var(--line);
    border-bottom-color:var(--cyan);
  }
  .site-nav__link[aria-current="page"]{
    color:var(--cyan);
    background:transparent;
    border:0;
    border-bottom:1.5px solid var(--cyan);
    box-shadow:inset 4px 0 0 var(--cyan);
    padding-left:14px;
  }

  .nav-toggle{display:inline-flex}

  .nav-leagues{display:block}
  .nav-leagues__tag{
    display:block;
    font-family:var(--font-mono);
    font-size:10.5px;
    letter-spacing:.2em;
    color:var(--mist);
    margin-bottom:12px;
  }
  .nav-leagues__row{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
  }

  .site-nav__foot{
    display:block;
    padding-top:22px;
    border-top:1px solid var(--line-60);
  }
  .site-nav__hint{
    font-size:14px;
    line-height:1.7;
    color:var(--mist);
    margin-bottom:16px;
  }

  .grid-12{grid-template-columns:1fr;gap:28px}
  .col-main,.col-aside{grid-column:auto}

  .section{padding:64px 0}
  .section--tight{padding:44px 0}

  .footer-shell{
    grid-template-columns:1fr;
    gap:40px;
    padding:56px var(--gutter) 36px;
  }
  .footer-contact{grid-column:auto}
  .footer-contact__list{grid-template-columns:1fr}

  .dock-cta{right:16px;bottom:16px;padding:10px 14px;font-size:12px}
}

@media (max-width:620px){
  :root{--gutter:20px;--head-h:70px}

  body{font-size:16px}
  .brand__name{font-size:18px}
  .brand__sub{font-size:9.5px;letter-spacing:.1em}
  .brand__dial{width:28px;height:28px}
  .brand__dial::after{inset:6px}

  .header-cta{display:none}

  .panel{padding:22px 18px}
  .frame{box-shadow:4px 4px 0 var(--line)}
  .btn{padding:12px 18px;font-size:14px}

  .footer-base{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
  }
}

@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}
  .marker{transition:none}
  [data-section].is-active .marker{transform:none}
  .readline__bar{transition:none}
  .dock-cta{opacity:1;transform:none;pointer-events:auto}
}