/* ============================================================
   维基彩票开奖 — 共享样式 /assets/site.css
   深空数据驾驶舱 · 框架式导航 · 粗野主义面板
   ============================================================ */

:root{
  --void:#060A18;
  --void-2:#0B1226;
  --panel:#121B38;
  --line:#24325E;
  --cyan:#25D6E8;
  --green:#3BF08A;
  --gold:#F2C14E;
  --red:#FF3D5E;
  --ink:#E8EDF9;
  --muted:#8E9BC0;

  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --font-sans:Inter,"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",Georgia,"Times New Roman",serif;

  --content:1240px;
  --frame-w:68px;
  --header-h:74px;

  --shadow-hard:8px 8px 0 rgba(0,0,0,.45);
  --shadow-lift:0 20px 44px rgba(0,0,0,.5);
  --radius:2px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  background-color:var(--void);
  background-image:
    radial-gradient(circle at 78% -6%, rgba(37,214,232,.10), transparent 52%),
    radial-gradient(circle at 2% 14%, rgba(242,193,78,.05), transparent 44%),
    linear-gradient(rgba(36,50,94,.30) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36,50,94,.30) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-repeat:no-repeat,no-repeat,repeat,repeat;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-sans);
  font-weight:900;
  line-height:1.05;
  letter-spacing:-.01em;
  color:var(--ink);
}
p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:rgba(59,240,138,.3);color:#fff}

/* ---------- 布局 ---------- */
.wrap{
  width:100%;
  max-width:var(--content);
  margin-inline:auto;
  padding-inline:clamp(16px,2.4vw,32px);
}
.grid{display:grid;gap:clamp(16px,2vw,28px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-12{grid-column:span 12}

/* ---------- 通用排版件 ---------- */
.lede{
  max-width:62ch;
  font-size:clamp(17px,1.6vw,20px);
  line-height:1.65;
  color:rgba(232,237,249,.86);
}
.digit{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(48px,8vw,128px);
  line-height:.95;
  letter-spacing:-.02em;
  color:var(--green);
}
.prose{
  max-width:72ch;
  font-size:17px;
  line-height:1.75;
  color:rgba(232,237,249,.88);
}
.prose > * + *{margin-top:1.05em}
.prose h2{font-size:clamp(20px,2.4vw,26px);margin-top:1.9em;padding-top:.7em;border-top:1px solid var(--line)}
.prose h3{font-size:clamp(17px,2vw,20px);margin-top:1.6em}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(37,214,232,.4)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose strong{color:var(--ink);font-weight:700}
.prose ul > li{position:relative;padding-left:18px}
.prose ul > li + li{margin-top:.4em}
.prose ul > li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--cyan);
}
.prose blockquote{
  padding-left:18px;border-left:2px solid var(--cyan);
  font-family:var(--font-serif);font-size:18px;color:var(--ink);
}
.prose code{
  font-family:var(--font-mono);font-size:.9em;
  padding:.1em .42em;background:var(--panel);border:1px solid var(--line);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;
  font-family:var(--font-mono);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--ink);
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius);
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 rgba(37,214,232,.32);border-color:var(--cyan);color:var(--cyan)}
.btn:active{transform:translate(0,0);box-shadow:none}
.btn--solid{background:var(--green);color:#04170C;border-color:var(--green)}
.btn--solid:hover{background:var(--green);color:#04170C;border-color:var(--green);box-shadow:4px 4px 0 rgba(59,240,138,.36)}
.btn--ghost{color:var(--cyan);border-color:var(--line)}
.btn--ghost:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(37,214,232,.07)}

/* ---------- 展览标签 / 面板 / 卡片 ---------- */
.exhibit{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 11px;
  font-family:var(--font-mono);
  font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.exhibit::before{content:"";width:6px;height:6px;background:var(--green);flex:none}

.panel{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.panel--raised{box-shadow:var(--shadow-hard)}

.card{
  position:relative;
  padding:20px;
  background:var(--void-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--shadow-lift)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--muted);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}
.breadcrumb a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.breadcrumb li + li::before{content:"/";margin-right:8px;color:var(--line)}
.breadcrumb [aria-current="page"]{color:var(--ink)}

/* ---------- 图片容器（页面阶段放置 img） ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--wide{aspect-ratio:21/9}
.media__caption{
  position:absolute;left:0;bottom:0;
  padding:8px 12px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.08em;
  color:var(--ink);
  background:rgba(6,10,24,.84);
  border-top:1px solid var(--line);
  border-right:1px solid var(--line);
}

/* ---------- 横向索引轨道 ---------- */
[data-rail]{
  display:flex;
  gap:16px;
  overflow-x:auto;
  overflow-y:hidden;
  padding:4px 2px 18px;
  scroll-snap-type:x proximity;
  scroll-behavior:smooth;
  cursor:grab;
  -webkit-overflow-scrolling:touch;
  scrollbar-color:var(--line) transparent;
}
[data-rail] > *{flex:0 0 auto;scroll-snap-align:start}
[data-rail][data-dragging]{cursor:grabbing;scroll-behavior:auto;user-select:none}
[data-rail]:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
[data-rail]::-webkit-scrollbar{height:8px}
[data-rail]::-webkit-scrollbar-track{background:var(--void-2)}
[data-rail]::-webkit-scrollbar-thumb{background:var(--line)}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:fixed;top:12px;left:12px;z-index:200;
  padding:10px 16px;
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:#04121A;background:var(--cyan);
  border:1px solid #0A2E36;
  border-radius:var(--radius);
  transform:translateY(-180%);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ============================================================
   框架脊（只在大屏出现，成为页面左边框）
   ============================================================ */
.frame-edge{display:none}

/* ============================================================
   头部
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,24,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.site-header::before{
  content:"";
  display:block;height:2px;
  background:linear-gradient(90deg,var(--cyan) 0%,rgba(37,214,232,.35) 34%,rgba(36,50,94,0) 78%);
}
.scroll-progress{
  position:absolute;left:0;right:0;bottom:0;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--green));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .12s linear;
  pointer-events:none;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,26px);
  max-width:var(--content);
  margin-inline:auto;
  min-height:var(--header-h);
  padding-inline:clamp(16px,2.4vw,32px);
}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  display:grid;place-items:center;
  width:38px;height:38px;flex:none;
  font-family:var(--font-mono);font-weight:700;font-size:17px;
  color:var(--cyan);
  background:var(--panel);
  border:1px solid var(--cyan);
  border-radius:var(--radius);
  box-shadow:3px 3px 0 rgba(37,214,232,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{
  font-family:var(--font-sans);font-weight:900;font-size:16px;
  letter-spacing:-.01em;color:var(--ink);
}
.brand-line{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.02em;
  color:var(--muted);
}

/* 导航 */
.site-nav{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:block;
  padding:9px 13px;
  font-size:13.5px;font-weight:600;letter-spacing:.02em;
  color:var(--muted);
  background:transparent;
  border:1px solid transparent;
  border-radius:var(--radius);
  transition:color .16s ease,border-color .16s ease,background-color .16s ease,box-shadow .16s ease;
}
.nav-link:hover{color:var(--ink);border-color:var(--line);background:var(--panel)}
.nav-link[aria-current="page"]{
  color:var(--cyan);
  background:rgba(37,214,232,.07);
  border-color:rgba(37,214,232,.5);
  box-shadow:inset 0 -2px 0 var(--cyan);
}

/* 行动区 */
.header-actions{display:flex;align-items:center;gap:10px;flex:none}

/* 移动按钮 */
.nav-toggle{
  display:none;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:44px;height:44px;
  color:var(--ink);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bar{
  display:block;width:20px;height:2px;background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.site-header[data-open="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) 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(-6px) rotate(-45deg)}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;z-index:2;
  margin-top:clamp(48px,7vw,96px);
  color:var(--muted);
  font-size:14px;
  background:linear-gradient(180deg,var(--void-2),var(--void));
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  display:block;height:3px;
  background:repeating-linear-gradient(90deg,var(--line) 0 14px,transparent 14px 28px);
}
.site-footer .wrap{padding-block:clamp(34px,5vw,60px) 0}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(240px,1.5fr) repeat(3,minmax(140px,1fr));
  gap:clamp(24px,3vw,48px);
}
.footer-brandname{
  font-family:var(--font-sans);font-weight:900;font-size:20px;
  letter-spacing:-.01em;color:var(--ink);
}
.footer-tagline{
  margin-top:6px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;
  color:var(--muted);
}
.footer-meta{
  display:grid;gap:8px;
  margin-top:18px;
  font-family:var(--font-mono);font-size:12.5px;line-height:1.6;
  color:rgba(232,237,249,.85);
}
.footer-meta__k{
  display:inline-block;min-width:5.5em;
  color:var(--muted);
}
.footer-col{min-width:0}
.footer-title{
  display:flex;align-items:center;gap:8px;
  padding-bottom:10px;
  font-family:var(--font-mono);font-size:11px;font-weight:700;
  letter-spacing:.24em;text-transform:uppercase;
  color:var(--cyan);
  border-bottom:1px solid var(--line);
}
.footer-title::before{content:"";width:6px;height:6px;background:var(--cyan);flex:none}
.footer-list{display:grid;gap:9px;margin-top:14px}
.footer-list a{
  display:inline-block;
  font-size:13.5px;
  color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease,padding-left .16s ease;
}
.footer-list a:hover{color:var(--ink);border-bottom-color:var(--cyan);padding-left:4px}
.footer-legal{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 28px;
  margin-top:clamp(32px,4vw,56px);
  padding:18px 0 28px;
  font-family:var(--font-mono);font-size:12px;
  color:var(--muted);
  border-top:1px solid var(--line);
}
.footer-legal__line{margin:0}

/* ============================================================
   滚动显现
   ============================================================ */
.js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease,transform .55s cubic-bezier(.22,.61,.36,1);
  transition-delay:calc(var(--reveal-i,0) * 90ms);
}
.js [data-reveal="in"]{opacity:1;transform:none}

/* ============================================================
   断点
   ============================================================ */
@media (max-width:1180px){
  .brand-line{display:none}
}
@media (max-width:1080px){
  .header-actions .btn--ghost{display:none}
}
@media (max-width:960px){
  :root{--header-h:64px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;
    left:0;right:0;top:var(--header-h);
    display:none;
    flex-direction:column;
    margin:0;
    padding:10px clamp(16px,4vw,24px) 22px;
    background:rgba(11,18,38,.985);
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 46px rgba(0,0,0,.55);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    z-index:70;
  }
  .site-header[data-open="true"] .site-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link[aria-current="page"]{box-shadow:inset 3px 0 0 var(--cyan)}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .brand-name{font-size:15px}
  .header-actions .btn{padding:10px 13px;font-size:12px}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9{grid-column:span 6}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-legal{flex-direction:column;gap:8px}
  .header-actions{gap:8px}
}
@media (min-width:1280px){
  body{padding-left:var(--frame-w)}
  .frame-edge{
    display:flex;
    position:fixed;
    left:0;top:0;bottom:0;
    width:var(--frame-w);
    align-items:center;
    justify-content:center;
    background:linear-gradient(180deg,rgba(11,18,38,.94),rgba(6,10,24,.7));
    border-right:1px solid var(--line);
    pointer-events:none;
    z-index:50;
  }
  .frame-edge__label{
    writing-mode:vertical-rl;
    font-family:var(--font-mono);
    font-size:11px;letter-spacing:.42em;text-transform:uppercase;
    color:var(--muted);
  }
}

/* ============================================================
   动效降级
   ============================================================ */
@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 !important;transform:none !important}
  .scroll-progress{transition:none}
  [data-rail]{scroll-behavior:auto}
  .btn:hover,.card:hover{transform:none}
}