/* ========== 风云体育 /assets/site.css ========== */
/* ===== Reset & Variables ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --c-bg-deep:#0A1E3E;
  --c-bg-navy:#12345E;
  --c-bg-void:#050A15;
  --c-accent-green:#39FF88;
  --c-accent-orange:#FF7A1A;
  --c-text-high:#EDF2FF;
  --c-text-mid:#9FB0D0;
  --c-line:#1D3A63;
  --font-head:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'JetBrains Mono','Roboto Mono','SF Mono','Courier New',monospace;
  --header-h:60px;
  --sidebar-w:280px;
  --sidebar-w-sm:72px;
  --z-skip:200;
  --z-header:100;
  --z-sidebar:99;
  --z-backdrop:98;
  --r-cut:8px;
  --t-fast:.2s cubic-bezier(.4,0,.2,1);
  --t-slow:.45s cubic-bezier(.4,0,.2,1)
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text-mid);
  background-color:var(--c-bg-deep);
  background-image:radial-gradient(circle,rgba(157,176,208,.14) 1px,transparent 1px);
  background-size:32px 32px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;background:none;border:none;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent-green);outline-offset:3px;border-radius:2px}
::selection{background:var(--c-accent-green);color:var(--c-bg-void)}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:900;color:var(--c-text-high);line-height:1.2}
h1{font-size:clamp(2.4rem,6vw,4.25rem);letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,3.6vw,2.75rem);letter-spacing:-.01em}
h3{font-size:clamp(1.2rem,2vw,1.6rem);font-weight:700}
p{font-size:15px;line-height:1.85;color:var(--c-text-mid)}
/* ===== Layout ===== */
.container{width:min(100% - clamp(16px,4vw,48px)*2,1280px);margin-inline:auto}
.section{padding:clamp(48px,8vw,96px) 0}
.main[id="main-content"],#main-content{
  min-height:calc(100vh - var(--header-h));
  padding:calc(var(--header-h) + 36px) 0 72px;
  position:relative;
  transition:margin-left var(--t-slow)
}
@media(min-width:1024px){
  #main-content{margin-left:var(--sidebar-w)}
  body.nav-collapsed #main-content{margin-left:var(--sidebar-w-sm)}
}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2.5vw,32px)}
.col-span-3,.col-span-4,.col-span-6,.col-span-8,.col-span-9{grid-column:span 12}
@media(min-width:1024px){
  .col-span-3{grid-column:span 3}
  .col-span-4{grid-column:span 4}
  .col-span-6{grid-column:span 6}
  .col-span-8{grid-column:span 8}
  .col-span-9{grid-column:span 9}
}
/* ===== Skip Link ===== */
.skip-link{
  position:fixed;top:-100%;left:16px;z-index:var(--z-skip);
  background:var(--c-accent-green);color:var(--c-bg-void);
  font-family:var(--font-head);font-weight:900;font-size:14px;
  padding:12px 24px;border-radius:4px;
  transition:top var(--t-fast);
  box-shadow:0 4px 20px rgba(57,255,136,.3)
}
.skip-link:focus{top:16px}
/* ===== Scroll Progress ===== */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;
  background:transparent;z-index:calc(var(--z-header) + 10);
  pointer-events:none
}
.scroll-progress-fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--c-accent-green),var(--c-accent-orange))
}
/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:var(--z-header)}
.header-bar{
  display:flex;align-items:center;gap:12px;
  height:var(--header-h);
  padding:0 16px;
  background:rgba(5,10,21,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px)
}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;flex-shrink:0;
  border:1px solid var(--c-line);border-radius:4px;
  transition:border-color var(--t-fast),background-color var(--t-fast)
}
.nav-toggle:hover{border-color:var(--c-accent-green)}
.nav-toggle-box{display:flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-line{display:block;width:100%;height:2px;background:var(--c-text-high);border-radius:1px;transition:transform var(--t-fast),opacity var(--t-fast)}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  margin-right:auto;margin-left:4px;flex-shrink:0
}
.brand-mark{
  display:grid;place-items:center;
  width:36px;height:36px;flex-shrink:0;
  background:var(--c-accent-green);
  color:var(--c-bg-void);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)
}
.brand-text{
  font-family:var(--font-head);font-weight:900;font-size:18px;
  color:var(--c-text-high);letter-spacing:.08em;white-space:nowrap
}
.header-status{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 14px;margin-left:auto;
  border:1px solid rgba(57,255,136,.25);
  border-radius:999px;
  background:rgba(57,255,136,.06);
  white-space:nowrap
}
.status-dot{
  width:7px;height:7px;border-radius:50%;flex-shrink:0;
  background:var(--c-accent-green);
  animation:pulse 2.2s ease-in-out infinite
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(57,255,136,.45)}
  50%{box-shadow:0 0 0 6px rgba(57,255,136,0)}
}
.status-text{font-size:12px;color:var(--c-text-high);letter-spacing:.04em}
.search-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  border:1px solid var(--c-line);border-radius:4px;
  color:var(--c-text-mid);flex-shrink:0;
  transition:border-color var(--t-fast),color var(--t-fast)
}
.search-trigger:hover{border-color:var(--c-accent-green);color:var(--c-accent-green)}
.search-trigger-text{font-size:13px;font-family:var(--font-body)}
/* ===== Sidebar Nav ===== */
.site-nav[data-nav]{
  position:fixed;top:var(--header-h);left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--c-bg-navy);
  border-right:1px solid var(--c-line);
  transform:translateX(-100%);
  transition:transform var(--t-slow),width var(--t-slow);
  z-index:var(--z-sidebar);
  display:flex;flex-direction:column
}
.site-nav[data-nav][data-open]{transform:translateX(0)}
.nav-heading{
  display:flex;align-items:center;gap:12px;
  padding:20px 24px 16px;
  border-bottom:1px solid var(--c-line)
}
.nav-heading-index{
  font-family:var(--font-body);font-size:12px;letter-spacing:.28em;
  color:var(--c-accent-green)
}
.nav-heading-line{
  flex:1;height:1px;
  background:linear-gradient(90deg,var(--c-accent-green),transparent)
}
.nav-list{flex:1;overflow-y:auto;padding:12px 0}
.nav-item{padding:2px 12px}
.nav-link{
  position:relative;
  display:flex;align-items:center;gap:16px;
  padding:13px 16px;
  border-radius:6px;
  border:1px solid transparent;
  transition:background-color var(--t-fast),border-color var(--t-fast)
}
.nav-link:hover{background:rgba(57,255,136,.05);border-color:rgba(57,255,136,.18)}
.nav-link[aria-current="page"]{
  background:rgba(57,255,136,.08);
  border-color:rgba(57,255,136,.3)
}
.nav-link[aria-current="page"]::before{
  content:"";position:absolute;left:-12px;top:50%;
  transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;
  background:var(--c-accent-green)
}
.nav-link-index{
  font-family:var(--font-body);font-size:13px;font-weight:700;
  color:var(--c-text-mid);min-width:22px;
  transition:color var(--t-fast)
}
.nav-link[aria-current="page"] .nav-link-index{color:var(--c-accent-green)}
.nav-link-label{
  font-family:var(--font-head);font-weight:700;font-size:15px;
  color:var(--c-text-high);white-space:nowrap;
  transition:opacity var(--t-fast)
}
.nav-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;
  border-top:1px solid var(--c-line);
  font-size:11px;color:var(--c-text-mid);
  letter-spacing:.16em
}
.nav-footer-version{color:var(--c-accent-orange);font-weight:700}
.nav-backdrop[data-nav-backdrop]{
  position:fixed;inset:0;
  background:rgba(5,10,21,.72);
  z-index:var(--z-backdrop);
  opacity:0;visibility:hidden;
  transition:opacity var(--t-fast),visibility var(--t-fast)
}
.nav-backdrop[data-nav-backdrop][data-open]{opacity:1;visibility:visible}
/* Desktop nav states */
@media(min-width:1024px){
  .site-nav[data-nav]{transform:translateX(0)}
  body.nav-collapsed .site-nav[data-nav]{width:var(--sidebar-w-sm)}
  body.nav-collapsed .nav-heading{opacity:0;height:0;padding:0;overflow:hidden;visibility:hidden}
  body.nav-collapsed .nav-footer{opacity:0;height:0;padding:0;overflow:hidden;visibility:hidden}
  body.nav-collapsed .nav-list{padding:12px 0}
  body.nav-collapsed .nav-item{padding:2px 10px}
  body.nav-collapsed .nav-link{justify-content:center;padding:13px 0}
  body.nav-collapsed .nav-link-index{flex:0 0 auto;text-align:center}
  body.nav-collapsed .nav-link-label{opacity:0;width:0;overflow:hidden;white-space:nowrap;position:absolute}
  body.nav-collapsed .nav-link::after{
    content:attr(data-label);
    position:absolute;left:calc(100% + 14px);top:50%;
    transform:translateY(-50%);
    background:var(--c-bg-void);
    border:1px solid var(--c-line);
    color:var(--c-text-high);
    font-family:var(--font-body);font-size:12px;
    padding:5px 12px;border-radius:4px;
    white-space:nowrap;opacity:0;pointer-events:none;
    transition:opacity var(--t-fast);z-index:20
  }
  body.nav-collapsed .nav-link:hover::after{opacity:1}
  .nav-backdrop[data-nav-backdrop]{display:none}
}
/* ===== Footer ===== */
.site-footer{
  position:relative;
  background:var(--c-bg-void);
  border-top:1px solid var(--c-line);
  margin-top:clamp(48px,8vw,96px);
  overflow:hidden
}
.footer-accent{
  position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--c-accent-green) 0%,var(--c-accent-orange) 100%);
  opacity:.8
}
.footer-inner{
  width:min(100% - clamp(16px,4vw,48px)*2,1440px);
  margin-inline:auto;
  padding:64px 0 28px
}
.footer-top{display:grid;gap:48px 40px}
@media(min-width:768px){.footer-top{grid-template-columns:1fr 1fr}}
@media(min-width:1200px){.footer-top{grid-template-columns:2fr 1fr 1.5fr}}
.footer-col{min-width:0}
.footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-text-mid);max-width:340px;margin-bottom:20px}
.footer-trust{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 16px;
  border:1px solid rgba(57,255,136,.25);
  border-radius:999px;
  background:rgba(57,255,136,.05);
  font-size:13px;color:var(--c-text-high)
}
.footer-title{
  font-family:var(--font-head);font-weight:700;font-size:14px;
  letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-text-high);
  padding-bottom:12px;margin-bottom:16px;
  border-bottom:1px solid var(--c-line);
  position:relative
}
.footer-title::after{
  content:"";position:absolute;bottom:-1px;left:0;
  width:32px;height:2px;background:var(--c-accent-green)
}
.footer-title-sub{margin-top:32px}
.footer-link-list{display:flex;flex-direction:column;gap:8px}
.footer-link-list a{
  font-size:14px;color:var(--c-text-mid);
  padding:4px 0;
  transition:color var(--t-fast),padding-left var(--t-fast)
}
.footer-link-list a:hover{color:var(--c-accent-green);padding-left:6px}
.footer-link-list-inline{flex-direction:row;gap:6px;flex-wrap:wrap}
.footer-link-list-inline a{
  padding:4px 14px;
  border:1px solid var(--c-line);
  border-radius:4px;
  font-size:13px
}
.footer-link-list-inline a:hover{color:var(--c-accent-green);border-color:var(--c-accent-green);padding-left:14px}
.footer-meta-list{display:flex;flex-direction:column;gap:12px}
.footer-meta-list li{display:flex;flex-direction:column;gap:2px}
.meta-key{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-text-mid);opacity:.7}
.meta-value{font-size:14px;color:var(--c-text-high);line-height:1.6}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 24px;
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(29,58,99,.6);
  font-size:12px;color:var(--c-text-mid)
}
.footer-icp{
  padding:2px 10px;
  border:1px solid var(--c-line);
  border-radius:3px;
  font-size:11px;letter-spacing:.05em
}
.footer-support{width:100%;text-align:center;opacity:.75;font-size:12px}
/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 32px;
  font-family:var(--font-head);font-weight:900;font-size:15px;
  line-height:1;border:none;cursor:pointer;text-decoration:none;
  transition:background-color var(--t-fast),color var(--t-fast),transform var(--t-fast),border-color var(--t-fast)
}
.btn-primary{
  background:var(--c-accent-green);color:var(--c-bg-void);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))
}
.btn-primary:hover{background:#5dffa5;transform:translateY(-1px)}
.btn-outline{
  background:transparent;color:var(--c-text-high);
  border:1px solid var(--c-line);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))
}
.btn-outline:hover{border-color:var(--c-accent-green);color:var(--c-accent-green)}
/* ===== Chips ===== */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 14px;
  font-family:var(--font-body);font-size:12px;letter-spacing:.06em;
  color:var(--c-text-mid);
  border:1px solid var(--c-line);
  background:transparent;
  border-radius:3px
}
.chip-green{color:var(--c-accent-green);border-color:rgba(57,255,136,.4);background:rgba(57,255,136,.06)}
.chip-orange{color:var(--c-accent-orange);border-color:rgba(255,122,26,.4);background:rgba(255,122,26,.06)}
/* ===== Panels ===== */
.panel{
  background:var(--c-bg-navy);
  border:1px solid var(--c-line);
  padding:32px;
  border-radius:var(--r-cut)
}
.panel-corner{
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%)
}
/* ===== Breadcrumb ===== */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0;
  font-family:var(--font-body);font-size:13px;
  color:var(--c-text-mid)
}
.breadcrumb a{color:var(--c-text-mid);transition:color var(--t-fast)}
.breadcrumb a:hover{color:var(--c-accent-green)}
.breadcrumb-sep{color:var(--c-line)}
.breadcrumb-current{color:var(--c-text-high)}
/* ===== Section Title ===== */
.section-title{
  display:flex;align-items:center;gap:16px;
  margin-bottom:24px
}
.section-title .section-tag{
  font-family:var(--font-body);font-size:12px;
  letter-spacing:.2em;color:var(--c-accent-green);
  text-transform:uppercase;white-space:nowrap
}
.section-title .section-line{
  flex:1;height:1px;
  background:linear-gradient(90deg,var(--c-accent-green),var(--c-line))
}
.section-title h2{margin-top:4px}
/* ===== Reveal ===== */
[data-reveal]{
  opacity:0;transform:translateY(24px);
  transition:opacity .6s cubic-bezier(.4,0,.2,1),transform .6s cubic-bezier(.4,0,.2,1)
}
[data-reveal][data-revealed]{opacity:1;transform:translateY(0)}
/* ===== Responsive ===== */
@media(max-width:1023px){
  .header-status{padding:4px 10px}
  .status-text{display:none}
  .search-trigger-text{display:none}
  .search-trigger{padding:8px}
}
@media(max-width:600px){
  .brand-text{font-size:16px}
  .header-bar{padding:0 12px;gap:8px}
  .brand{margin-left:2px}
  .footer-bottom{flex-direction:column;gap:12px}
}
/* ===== Reduced Motion ===== */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important
  }
  .status-dot{animation:none}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .scroll-progress-fill{transition:none}
}