/* =========================================================
   澳客体育 · 全站共享样式 /assets/site.css
   夜蓝基底 + 荧光绿亮色 + 橙红状态点 + 等宽数据字
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#070E22;
  --ink-2:#0C1730;
  --surface:#16233F;
  --surface-hi:#1B2B4B;
  --line:#22304E;
  --line-hi:rgba(124,255,61,.38);
  --lime:#7CFF3D;
  --lime-mist:rgba(124,255,61,.13);
  --orange:#FF5A2B;
  --text:#EEF3FF;
  --muted:#9AA7C2;
  --paper:#F4F6FB;
  --paper-ink:#0B1220;
  --on-lime:#07101F;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --shell:1240px;
  --gutter:20px;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-pill:999px;
  --dur:200ms;
  --shadow-card:0 1px 0 rgba(238,243,255,.04);
  --shadow-lift:0 12px 30px rgba(0,0,0,.45);
}

/* ---------- 2. Reset 与基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%;height:auto}
button,input{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
figure{margin:0}
hr{border:0;border-top:1px solid var(--line);margin:0}
a{color:var(--lime);text-decoration:none}
a:hover{text-decoration:none}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}

:where(a,button,input,[tabindex]):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:6px;
}
a:focus-visible{background:var(--lime-mist)}

.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;
}

.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:10px 18px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--on-lime);
  font-size:14px;font-weight:700;
  transform:translateY(-180%);
  transition:transform var(--dur) ease;
}
.skip-link:focus{transform:translateY(0);text-decoration:none}

/* ---------- 3. 排版 ---------- */
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-sans);
  font-weight:700;
  line-height:1.22;
  letter-spacing:-.01em;
}
.display{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.04;
  letter-spacing:-.02em;
}
.mono{
  font-family:var(--font-mono);
  font-weight:600;
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.muted{color:var(--muted)}
.kicker{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted);
}

/* ---------- 4. 布局容器 ---------- */
.shell{
  width:100%;
  max-width:calc(var(--shell) + var(--gutter) * 2);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(36px,6vw,72px)}
.container{
  width:100%;
  max-width:720px;
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.grid{display:grid;gap:16px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,3fr);gap:28px}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 18px;
  margin-bottom:22px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.section-head h2{font-size:clamp(20px,3vw,28px)}
.section-head__more{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--lime);
}
.section-head__more:hover{color:#A6FF7E}

/* ---------- 5. 按钮与标签 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 20px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:background var(--dur) ease,border-color var(--dur) ease,color var(--dur) ease,transform var(--dur) ease;
}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn--accent{background:var(--lime);border-color:var(--lime);color:var(--on-lime);font-weight:700}
.btn--accent:hover{background:#9CFF6B;border-color:#9CFF6B}
.btn--ghost{border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--line-hi);background:var(--lime-mist);color:var(--lime)}
.btn--sm{padding:9px 15px;font-size:13.5px}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(22,35,63,.6);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--muted);
}
.tag--lime{border-color:var(--line-hi);background:var(--lime-mist);color:var(--lime)}
.tag--orange{border-color:transparent;background:var(--orange);color:var(--on-lime)}

/* ---------- 6. 卡片 / 图例 / 横向带 ---------- */
.card{
  padding:18px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--surface);
  box-shadow:var(--shadow-card);
  transition:transform var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:var(--line-hi);
  background:var(--surface-hi);
}

.legend{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 16px;
  padding:10px 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(22,35,63,.5);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--muted);
}
.legend li{display:inline-flex;align-items:center;gap:7px}
.legend__dot{display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.legend__dot--orange{background:var(--orange)}
.legend__dot--line{background:var(--line)}

.rail-wrap{position:relative}
.rail-wrap::after{
  content:"";
  position:absolute;
  top:0;right:0;bottom:16px;
  width:56px;
  pointer-events:none;
  background:linear-gradient(90deg,rgba(7,14,34,0),rgba(7,14,34,.96));
}
.rail{
  display:flex;
  gap:14px;
  padding:4px var(--gutter) 16px;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{display:none}
.rail > *{flex:0 0 min(78vw,300px);scroll-snap-align:start}

/* ---------- 7. 图片容器基础 ---------- */
.media{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:linear-gradient(135deg,#0C1730 0%,#16233F 100%);
  aspect-ratio:16/10;
}
.media img{width:100%;height:100%;object-fit:cover}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media--hero{aspect-ratio:4/5}
.media--diag::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:linear-gradient(118deg,rgba(7,14,34,.88) 0%,rgba(7,14,34,.18) 52%,rgba(124,255,61,.2) 100%);
}
.media__cap{
  position:absolute;
  left:12px;bottom:10px;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:rgba(7,14,34,.72);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--muted);
}

/* ---------- 8. 正文与浅读区 ---------- */
.prose{font-size:16.5px;line-height:1.85;color:var(--text)}
.prose p,.prose ul,.prose ol{margin:0 0 1.1em}
.prose h2{margin:1.8em 0 .6em;font-size:clamp(20px,3vw,26px)}
.prose h3{margin:1.5em 0 .5em;font-size:clamp(17px,2.4vw,20px)}
.prose ul{list-style:none}
.prose li{position:relative;padding-left:18px;margin-bottom:.5em}
.prose li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--lime);
}
.prose strong{font-weight:700}
.prose a{border-bottom:1px solid rgba(124,255,61,.45)}
.prose a:hover{border-bottom-color:var(--lime)}
.surface-light{background:var(--paper);color:var(--paper-ink)}
.surface-light .prose,.surface-light p{color:var(--paper-ink)}
.surface-light .kicker{color:#5B6B8C}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:14px var(--gutter) 0;
  max-width:calc(var(--shell) + var(--gutter) * 2);
  margin-inline:auto;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--muted);
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--line)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--lime)}

/* ---------- 10. 显现协议 ---------- */
.reveal{transition:opacity 420ms ease,transform 420ms ease}
.reveal[data-hidden="true"]{opacity:0;transform:translateY(10px)}
.reveal[data-shown="true"]{opacity:1;transform:none}

/* ---------- 11. 悬浮胶囊头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,rgba(7,14,34,.95),rgba(7,14,34,.78));
  border-bottom:1px solid transparent;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background var(--dur) ease,border-color var(--dur) ease;
}
.site-header[data-scrolled="true"]{
  background:rgba(7,14,34,.97);
  border-bottom-color:var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:14px;
  padding-top:14px;
  padding-bottom:14px;
  transition:padding var(--dur) ease;
}
.site-header[data-scrolled="true"] .header-inner{padding-top:9px;padding-bottom:9px}

.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{text-decoration:none}
.brand__mark{
  position:relative;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  font-family:var(--font-mono);
  font-size:17px;
  font-weight:600;
  color:var(--lime);
  transition:width var(--dur) ease,height var(--dur) ease,border-color var(--dur) ease;
}
.brand__mark::after{
  content:"";
  position:absolute;right:-3px;bottom:-3px;
  width:9px;height:9px;
  border:2px solid var(--ink);
  border-radius:50%;
  background:var(--orange);
}
.site-header[data-scrolled="true"] .brand__mark{width:34px;height:34px;border-color:var(--line-hi)}
.brand__text{display:flex;flex-direction:column;min-width:0;line-height:1.15}
.brand__name{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand__code{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
.brand--footer{margin-bottom:16px}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  justify-self:end;
  padding:9px 15px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--surface);
  color:var(--text);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:border-color var(--dur) ease,background var(--dur) ease;
}
.nav-toggle:hover{border-color:var(--line-hi);background:var(--surface-hi)}
.nav-toggle__label{font-size:14px}
.nav-toggle__bars{
  position:relative;
  width:16px;height:2px;
  border-radius:2px;
  background:currentColor;
  transition:background var(--dur) ease;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform var(--dur) ease;
}
.nav-toggle__bars::before{transform:translateY(-5px)}
.nav-toggle__bars::after{transform:translateY(5px)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:rotate(-45deg)}

.site-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  padding:5px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(22,35,63,.72);
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scrollbar-width:none;
  transition:background var(--dur) ease,box-shadow var(--dur) ease;
}
.nav-list::-webkit-scrollbar{display:none}
.site-header[data-scrolled="true"] .nav-list{
  background:rgba(12,23,48,.95);
  box-shadow:var(--shadow-lift);
}
.nav-list a{
  display:block;
  padding:8px 15px;
  border-radius:var(--r-pill);
  color:var(--muted);
  font-size:14.5px;
  font-weight:500;
  white-space:nowrap;
  transition:color var(--dur) ease,background var(--dur) ease;
}
.nav-list a:hover{color:var(--text);background:var(--lime-mist);text-decoration:none}
.nav-list a[aria-current="page"]{background:var(--lime);color:var(--on-lime);font-weight:700}

.code-lookup{
  position:relative;
  display:flex;
  align-items:center;
  gap:6px;
  padding:4px 4px 4px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(22,35,63,.55);
  transition:border-color var(--dur) ease,background var(--dur) ease;
}
.code-lookup:focus-within{border-color:var(--line-hi);background:rgba(22,35,63,.9)}
.code-lookup__input{
  width:66px;
  padding:6px 0;
  border:0;
  background:transparent;
  color:var(--text);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.14em;
}
.code-lookup__input::placeholder{color:#67759A;letter-spacing:.06em}
.code-lookup__input:focus{outline:none}
.code-lookup__input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;background:transparent}
.code-lookup__btn{
  padding:7px 13px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--lime-mist);
  color:var(--lime);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--dur) ease;
}
.code-lookup__btn:hover{background:rgba(124,255,61,.24)}
.code-lookup__hint{
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  z-index:10;
  margin:0;
  padding:7px 12px;
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  background:var(--surface);
  color:var(--muted);
  font-size:12px;
  white-space:nowrap;
  opacity:0;
  pointer-events:none;
  transition:opacity var(--dur) ease;
}
.code-lookup__hint[data-visible="true"]{opacity:1}
.code-lookup__hint:empty{display:none}

.header-tools{display:flex;align-items:center;gap:10px;justify-self:end}
.header-progress{
  width:0;
  height:2px;
  background:linear-gradient(90deg,var(--lime),#2FE3B4);
  transition:width 120ms linear;
}

/* ---------- 12. 页脚 ---------- */
.site-footer{
  margin-top:clamp(40px,7vw,88px);
  border-top:1px solid var(--line);
  background:var(--ink-2);
  color:var(--text);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-block:clamp(36px,6vw,64px);
}
.footer-block{min-width:0}
.footer-title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted);
}
.footer-lede{
  max-width:20em;
  margin:0 0 12px;
  font-family:var(--font-display);
  font-size:clamp(19px,2.4vw,24px);
  font-weight:700;
  line-height:1.45;
  color:var(--text);
}
.footer-note{margin:0 0 16px;font-size:13px;color:var(--muted)}
.footer-links{display:grid;gap:10px;font-size:14.5px}
.footer-links a{color:var(--text);border-bottom:1px solid transparent;transition:color var(--dur) ease,border-color var(--dur) ease}
.footer-links a:hover{color:var(--lime);border-bottom-color:var(--lime);text-decoration:none}
.footer-links--meta{font-size:13px}
.footer-links--meta li{display:flex;gap:10px;color:var(--muted)}
.meta-key{flex:0 0 38px;color:var(--lime)}
.meta-val{color:var(--muted);overflow-wrap:anywhere}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 20px;
  padding-block:18px;
  border-top:1px solid var(--line);
}
.footer-copy{margin:0;font-size:13px;color:var(--muted)}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1024px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:14px;
    padding:18px var(--gutter) 22px;
    max-height:calc(100vh - 80px);
    overflow-y:auto;
    background:rgba(9,17,38,.98);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lift);
  }
  .site-header[data-open="true"] .site-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;padding:8px;border-radius:var(--r-md)}
  .nav-list a{padding:12px 14px;border-radius:var(--r-sm);font-size:15.5px}
  .code-lookup{width:100%;flex-wrap:wrap;justify-content:space-between;padding:6px 6px 6px 16px}
  .code-lookup__input{flex:1 1 auto;width:auto;min-width:88px;font-size:14px}
  .code-lookup__hint{
    position:static;
    flex:1 0 100%;
    margin-top:8px;
    padding:0;
    border:0;
    background:transparent;
    color:var(--lime);
    white-space:normal;
    opacity:1;
  }
  .grid--split,.grid--2{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
}

@media (max-width:560px){
  :root{--gutter:16px}
  body{font-size:15.5px}
  .brand__mark{width:34px;height:34px;font-size:15px;border-radius:10px}
  .brand__name{font-size:15px}
  .brand__code{font-size:10px;letter-spacing:.1em}
  .btn{padding:11px 17px;font-size:14px}
  .btn--sm{padding:8px 13px;font-size:13px}
  .nav-toggle{padding:8px 12px;font-size:13px}
  .nav-toggle__label{font-size:13px}
  .grid--3{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .footer-base{flex-direction:column;align-items:flex-start;gap:6px}
}

/* ---------- 14. 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;
  }
  .reveal,.reveal[data-hidden="true"]{opacity:1;transform:none}
  .btn:hover,.card:hover{transform:none}
}