/* ============================================================
   微玩体育 · 合作伙伴CN — 共享样式 /assets/site.css
   夜间体育数据实验室：深海蓝画布 · 荧光青脉冲 · 暖橙轮换标记
   ============================================================ */

/* ---------- 1. 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,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,picture,svg,video{display:block;max-width:100%}
img{height:auto}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:where(a,button,summary,[tabindex]):focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* ---------- 2. 变量 ---------- */
:root{
  --deep-sea:#071A2F;
  --night:#030B16;
  --cyan:#29F2D2;
  --amber:#FF8A3D;
  --glass-white:#EAF6FF;
  --cool-grey:#8BA3B8;
  --purple:#7B61FF;
  --green:#4AD991;
  --red:#FF5C6C;
  --glass:rgba(234,246,255,.08);
  --glass-strong:rgba(234,246,255,.14);
  --line:rgba(234,246,255,.14);
  --line-soft:rgba(234,246,255,.07);
  --maxw:1280px;
  --gutter:clamp(1.15rem,4vw,3rem);
  --gap:clamp(1rem,2.4vw,2rem);
  --radius:14px;
  --radius-sm:10px;
  --header-h:clamp(68px,9vw,80px);
  --font-display:"Alibaba PuHuiTi 3","Noto Sans SC Black","HarmonyOS Sans SC","PingFang SC",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Source Han Sans","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SF Mono",Consolas,monospace;
}

/* ---------- 3. 画布与中文排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--glass-white);
  background-color:var(--deep-sea);
  background-image:
    radial-gradient(1200px 620px at 10% -12%, rgba(41,242,210,.14), transparent 62%),
    radial-gradient(900px 520px at 90% 2%, rgba(123,97,255,.16), transparent 64%),
    linear-gradient(180deg,#071A2F 0%,#04101F 55%,#030B16 100%);
  background-attachment:fixed;
  overflow-x:hidden;
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.55;
  background-image:repeating-linear-gradient(180deg, rgba(234,246,255,.045) 0 1px, transparent 1px 4px);
}
body.nav-open{overflow:hidden}
main,.site-header,.site-footer{position:relative;z-index:1}
main{display:block}
#main-content{scroll-margin-top:calc(var(--header-h) + 16px)}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.2;letter-spacing:-.01em}
p{text-wrap:pretty}

.display{
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(3.5rem,8vw,7rem);
  line-height:.95;
  letter-spacing:-.03em;
}
.section-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.75rem,3vw,3rem);
  line-height:1.12;
  letter-spacing:-.015em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
}
.lede{font-size:clamp(1rem,1.35vw,1.15rem);color:rgba(234,246,255,.78);max-width:64ch}
.mono{font-family:var(--font-mono);font-weight:600;letter-spacing:.06em}
.u-cyan{color:var(--cyan)}
.u-amber{color:var(--amber)}
.u-muted{color:var(--cool-grey)}
.u-right{text-align:right}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.divider{height:1px;background:var(--line-soft);border:0;margin:0}

.prose{max-width:70ch;color:rgba(234,246,255,.84)}
.prose p+p{margin-top:1.1em}
.prose h2,.prose h3{margin-top:1.8em;margin-bottom:.5em}
.prose ul,.prose ol{margin-top:.8em;padding-left:1.2em;list-style:disc}
.prose li+li{margin-top:.4em}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(41,242,210,.45)}

/* ---------- 4. 布局容器与分区 ---------- */
.container{width:min(100% - var(--gutter)*2, var(--maxw));margin-inline:auto}
.band{padding-block:clamp(3rem,7vw,6rem)}
.band--night{
  background:linear-gradient(180deg,rgba(3,11,22,.9),rgba(3,11,22,.35));
  border-block:1px solid var(--line-soft);
}
.band--glass{background:linear-gradient(180deg,rgba(41,242,210,.05),rgba(123,97,255,.05))}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:1rem;
  padding-bottom:1rem;
  margin-bottom:clamp(1.5rem,3vw,2.5rem);
  border-bottom:1px solid var(--line);
}
.section-head p{color:var(--cool-grey);font-size:14px}

.grid{display:grid;gap:var(--gap)}
.grid--halves{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.grid--aside{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.grid--aside-rev{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}

.panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(1.15rem,2.4vw,2rem);
  backdrop-filter:blur(14px) saturate(130%);
}
.panel--solid{
  background:linear-gradient(158deg,#0A2340,#061726);
  border-color:rgba(41,242,210,.18);
  backdrop-filter:none;
}
.panel--flush{padding:0;overflow:hidden}

/* ---------- 5. 按钮与链接 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  padding:.75em 1.3em;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;
}
.btn--sm{font-size:13px;padding:.6em 1.05em}
.btn--primary{background:var(--cyan);color:var(--night);box-shadow:0 12px 30px -16px rgba(41,242,210,.9)}
.btn--primary:hover{background:#5CF7DE;transform:translateY(-1px)}
.btn--amber{background:var(--amber);color:var(--night)}
.btn--amber:hover{background:#FFA164;transform:translateY(-1px)}
.btn--ghost{border-color:var(--line);color:rgba(234,246,255,.86);background:rgba(234,246,255,.03)}
.btn--ghost:hover{border-color:rgba(41,242,210,.55);color:var(--cyan)}

/* ---------- 6. 标签、数据与表格 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:.4em;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  padding:.35em .7em;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--cool-grey);
  white-space:nowrap;
}
.tag--cyan{color:var(--cyan);border-color:rgba(41,242,210,.45);background:rgba(41,242,210,.08)}
.tag--amber{color:var(--amber);border-color:rgba(255,138,61,.5);background:rgba(255,138,61,.1);animation:rotation-breathe 4.2s ease-in-out infinite}
.tag--purple{color:#AFA0FF;border-color:rgba(123,97,255,.5);background:rgba(123,97,255,.12)}
.tag--green{color:var(--green);border-color:rgba(74,217,145,.45);background:rgba(74,217,145,.1)}
.tag--red{color:var(--red);border-color:rgba(255,92,108,.45);background:rgba(255,92,108,.1)}

@keyframes rotation-breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(255,138,61,.32)}
  50%{box-shadow:0 0 0 6px rgba(255,138,61,0)}
}

.stat{display:flex;flex-direction:column;gap:.3rem}
.stat__value{font-family:var(--font-mono);font-weight:700;font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1;color:var(--cyan)}
.stat__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cool-grey)}

.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.data-table{width:100%;min-width:520px;font-size:15px}
.data-table th{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--cool-grey);
  text-align:left;
  padding:.7rem .6rem;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.data-table td{padding:.7rem .6rem;border-bottom:1px solid var(--line-soft);vertical-align:middle}
.data-table tbody tr{transition:background-color .2s ease}
.data-table tbody tr:hover{background:rgba(41,242,210,.05)}
.data-table .num{font-family:var(--font-mono);font-weight:600;text-align:right}

/* ---------- 7. 标签页 / 分段切换 ---------- */
.tabs{
  display:flex;
  flex-wrap:wrap;
  gap:.35rem;
  padding:.35rem;
  width:fit-content;
  max-width:100%;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
}
.tab{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  padding:.55rem .95rem;
  border-radius:8px;
  color:var(--cool-grey);
  transition:color .22s ease,background-color .22s ease;
}
.tab:hover{color:var(--glass-white)}
.tab[aria-selected="true"]{color:var(--night);background:var(--cyan)}
.tab-panel{padding-top:clamp(1.25rem,2.5vw,2rem)}
.tab-panel[hidden]{display:none}

/* ---------- 8. 面包屑与图片容器 ---------- */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.6em;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--cool-grey);
}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs__sep{color:rgba(139,163,184,.5)}

.media-frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:linear-gradient(140deg,#0A2340,#04101F);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(3,11,22,0) 42%,rgba(3,11,22,.68));
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--bare::after{display:none}

/* ---------- 9. 页头 ---------- */
.skip-link{
  position:absolute;
  left:50%;
  top:-120px;
  transform:translateX(-50%);
  z-index:200;
  background:var(--cyan);
  color:var(--night);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  padding:.6rem 1rem;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  transition:top .22s ease;
}
.skip-link:focus{top:0}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(3,11,22,.76);
  border-bottom:1px solid rgba(41,242,210,.18);
  backdrop-filter:blur(18px) saturate(140%);
}
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:rgba(234,246,255,.08);
  overflow:hidden;
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--amber));
}
.header-inner{
  width:min(100% - var(--gutter)*2, var(--maxw));
  margin-inline:auto;
  min-height:var(--header-h);
  padding-block:.55rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(.75rem,3vw,2.5rem);
}

.brand{display:flex;align-items:center;gap:.75rem;min-width:0}
.brand__mark{
  position:relative;
  flex:none;
  width:34px;
  height:34px;
  border-radius:9px;
  display:grid;
  place-items:center;
  background:linear-gradient(150deg,rgba(41,242,210,.95),rgba(123,97,255,.8));
  box-shadow:0 0 0 1px rgba(41,242,210,.4), 0 10px 26px -14px rgba(41,242,210,.95);
}
.brand__mark::before{
  content:"";
  width:14px;
  height:14px;
  border:2px solid #030B16;
  border-radius:3px;
  box-shadow:inset 0 0 0 4px rgba(3,11,22,.25);
}
.brand__pulse{
  position:absolute;
  inset:-7px;
  border-radius:14px;
  border:1px solid rgba(41,242,210,.4);
  animation:pulse-ring 3.8s ease-out infinite;
}
@keyframes pulse-ring{
  0%{opacity:.85;transform:scale(.86)}
  70%{opacity:0;transform:scale(1.14)}
  100%{opacity:0;transform:scale(1.14)}
}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(.95rem,1.5vw,1.1rem);
  line-height:1.25;
  white-space:nowrap;
}
.brand__dot{color:var(--cyan);margin-inline:.15em}
.brand__tagline{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--cool-grey);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:.55rem;
  padding:.55rem .8rem;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  color:var(--glass-white);
}
.nav-toggle__label{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.nav-toggle__bars{position:relative;display:block;width:18px;height:2px;background:currentColor;transition:background-color .2s ease}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:currentColor;
  transition:transform .28s ease;
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.site-header[data-open] .nav-toggle__bars{background:transparent}
.site-header[data-open] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}

.nav-panel{
  display:flex;
  flex:1;
  align-items:center;
  justify-content:flex-end;
  gap:clamp(.75rem,2.4vw,2rem);
}
.site-nav__list{display:flex;align-items:center;gap:clamp(.4rem,1.5vw,1.35rem)}
.site-nav__link{
  position:relative;
  display:inline-block;
  padding:.5rem .25rem;
  font-size:14px;
  font-weight:600;
  color:rgba(234,246,255,.78);
  transition:color .24s ease;
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:.25rem;
  right:.25rem;
  bottom:.3rem;
  height:1px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
}
.site-nav__link:hover{color:var(--glass-white)}
.site-nav__link:hover::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--cyan)}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--amber)}
.header-actions{display:flex;align-items:center;gap:.55rem}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(3rem,8vw,7rem);
  background:linear-gradient(180deg,#030B16 0%,#061726 100%);
  border-top:1px solid rgba(41,242,210,.16);
}
.footer-inner{
  width:min(100% - var(--gutter)*2, var(--maxw));
  margin-inline:auto;
  padding-block:clamp(2.5rem,6vw,4.5rem) clamp(1.5rem,3vw,2.5rem);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.4fr 1fr;
  gap:clamp(1.5rem,3vw,3rem);
}
.footer-col{display:flex;flex-direction:column;gap:.9rem;min-width:0}
.footer-brand{font-family:var(--font-display);font-weight:800;font-size:1.05rem}
.footer-note{font-size:14px;color:var(--cool-grey);max-width:38ch}
.footer-tags{display:flex;flex-wrap:wrap;gap:.5rem}
.footer-title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cool-grey);
}
.footer-list{display:flex;flex-direction:column;gap:.55rem;font-size:14px}
.footer-link{color:rgba(234,246,255,.8);transition:color .2s ease,padding-left .2s ease}
.footer-link:hover{color:var(--cyan);padding-left:4px}
.footer-contact__item{display:flex;flex-direction:column;gap:.15rem}
.footer-contact__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--cool-grey)}
.footer-contact__value{font-family:var(--font-mono);font-weight:600;color:var(--glass-white);word-break:break-word}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--cool-grey);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  margin-top:clamp(2rem,4vw,3rem);
  padding-top:1.25rem;
  border-top:1px solid rgba(234,246,255,.1);
}
.footer-copy{font-size:12px;color:var(--cool-grey)}
.footer-copy--dim{opacity:.72}
.to-top{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan);
  border:1px solid rgba(41,242,210,.4);
  border-radius:999px;
  padding:.5rem 1rem;
  background:rgba(41,242,210,.06);
  transition:background-color .22s ease,border-color .22s ease;
}
.to-top:hover{background:rgba(41,242,210,.16);border-color:var(--cyan)}

/* ---------- 11. 显现动效 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease,transform .6s ease;
}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 12. 响应式 ---------- */
@media (max-width:1100px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1.4fr}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:980px){
  .grid--halves,.grid--thirds,.grid--aside,.grid--aside-rev{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-panel{
    position:fixed;
    top:var(--header-h);
    right:0;
    bottom:0;
    width:min(88vw,370px);
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:1.25rem;
    padding:clamp(1.25rem,5vw,2rem);
    background:linear-gradient(180deg,rgba(4,16,31,.99),rgba(3,11,22,.99));
    border-left:1px solid rgba(41,242,210,.22);
    box-shadow:-24px 0 60px -30px rgba(3,11,22,.95);
    overflow-y:auto;
    transform:translateX(102%);
    visibility:hidden;
    transition:transform .35s ease,visibility .35s ease;
  }
  .nav-panel[data-open]{transform:none;visibility:visible}
  .site-nav{width:100%}
  .site-nav__list{flex-direction:column;align-items:stretch;width:100%;gap:0}
  .site-nav__link{
    display:block;
    padding:.9rem .25rem;
    font-size:16px;
    border-bottom:1px solid var(--line-soft);
  }
  .site-nav__link::after{display:none}
  .header-actions{flex-direction:column;align-items:stretch;width:100%}
  .header-actions .btn{width:100%}
}
@media (max-width:760px){
  body{background-attachment:scroll}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-bottom{align-items:flex-start}
  .brand__tagline{max-width:42vw}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .footer-col:last-child{grid-column:auto}
  .brand__name{white-space:normal;font-size:.95rem}
  .brand__tagline{max-width:52vw;font-size:10px}
  .data-table{font-size:14px}
}

/* ---------- 13. 动效与无障碍偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .tag--amber{animation:none}
}