/* ============================================================
   澳客看台 · 共享样式 /assets/site.css
   夜场看台 × 数据指挥中心
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink-950:#08110F;
  --ink-900:#10231D;
  --ink-800:#19342C;
  --line:#2B4A40;
  --text:#EAF7F2;
  --muted:#A8C2B8;
  --live:#25E0C8;
  --goal:#FF5A2E;
  --warn:#F5C542;
  --sub:#8C6BFF;
  --paper:#F4F1E8;

  --shell:1180px;
  --gutter:clamp(16px,4vw,40px);
  --header-h:76px;

  --r-l:18px;
  --r-m:12px;
  --r-s:8px;
  --shadow:0 20px 44px -26px rgba(0,0,0,.9);
  --ease:cubic-bezier(.22,.7,.28,1);

  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-head:var(--font-body);
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- 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-950);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--live);outline-offset:3px;border-radius:4px}
::selection{background:rgba(37,224,200,.28);color:#fff}

h1,h2,h3,h4{font-family:var(--font-head);font-weight:800;letter-spacing:-.012em;line-height:1.24;color:var(--text)}
h1{font-size:clamp(30px,5.2vw,54px)}
h2{font-size:clamp(22px,3.2vw,34px)}
h3{font-size:clamp(18px,2.2vw,22px)}
h4{font-size:clamp(15px,1.6vw,17px)}

/* ---------- 3. 无障碍工具 ---------- */
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{
  position:fixed;top:10px;left:12px;z-index:200;
  padding:10px 16px;border-radius:999px;
  background:var(--live);color:#04120F;
  font-size:14px;font-weight:800;letter-spacing:.04em;
  transform:translateY(-160%);
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 4. 布局容器 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding:clamp(40px,7vw,84px) 0}
.section--tight{padding:clamp(24px,4vw,46px) 0}
.section--alt{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stack>*+*{margin-top:clamp(14px,2vw,22px)}
.stack-sm>*+*{margin-top:10px}

.grid{display:grid;gap:clamp(14px,2vw,22px)}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-auto{grid-template-columns:repeat(auto-fit,minmax(238px,1fr))}

/* ---------- 5. 文字节奏 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11.5px;font-weight:600;
  letter-spacing:.24em;text-transform:uppercase;color:var(--live);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--live);opacity:.7}
.lead{font-size:clamp(16px,1.6vw,18.5px);line-height:1.85;color:var(--muted);max-width:66ch}
.prose{max-width:68ch;font-size:16.5px;line-height:1.85}
.prose p+p{margin-top:1.1em}
.prose strong{color:var(--text);font-weight:800}
.prose em{color:var(--live);font-style:normal;font-weight:700}
.ink-muted{color:var(--muted)}
.ink-live{color:var(--live)}
.ink-goal{color:var(--goal)}
.font-num,.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.score{
  font-family:var(--font-mono);font-weight:800;font-variant-numeric:tabular-nums;
  letter-spacing:-.06em;line-height:1;color:var(--live);
  font-size:clamp(26px,3.4vw,34px);
}
.score--final{color:var(--text)}
.score--goal{color:var(--goal)}
.score--live{color:var(--live);text-shadow:0 0 18px rgba(37,224,200,.5)}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:700;letter-spacing:.04em;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-accent{background:var(--live);color:#04120F;box-shadow:0 10px 24px -16px rgba(37,224,200,.95)}
.btn-accent:hover{background:#4bf0dc;box-shadow:0 14px 30px -16px rgba(37,224,200,.95)}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(25,52,44,.55)}
.btn-ghost:hover{border-color:var(--live);color:var(--live);background:rgba(37,224,200,.08)}
.btn-sm{padding:8px 15px;font-size:13px}
.btn-block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* ---------- 7. 标签与印刷章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(25,52,44,.72);
  color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.05em;line-height:1.5;
}
.tag--live{color:var(--live);border-color:rgba(37,224,200,.45);background:rgba(37,224,200,.1)}
.tag--goal{color:var(--goal);border-color:rgba(255,90,46,.45);background:rgba(255,90,46,.12)}
.tag--sub{color:var(--sub);border-color:rgba(140,107,255,.45);background:rgba(140,107,255,.13)}
.tag--warn{color:var(--warn);border-color:rgba(245,197,66,.42);background:rgba(245,197,66,.1)}
.tag--paper{color:#0b1512;background:var(--paper);border-color:var(--paper)}
.stamp{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border:1px solid var(--line);border-radius:4px;
  background:rgba(244,241,232,.06);color:var(--paper);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
}

/* ---------- 8. 面板 / 卡片 ---------- */
.panel{
  background:linear-gradient(165deg,var(--ink-800),rgba(16,35,29,.86));
  border:1px solid var(--line);border-radius:var(--r-l);
  padding:clamp(16px,2.4vw,24px);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
.panel--flat{background:var(--ink-900)}
.panel--tight{padding:14px 16px}
.panel:hover{border-color:rgba(37,224,200,.5);box-shadow:0 16px 34px -26px rgba(37,224,200,.75)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.panel-title{font-size:15px;font-weight:800;letter-spacing:.08em;color:var(--text)}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.panel-row:first-child{border-top:0}

/* ---------- 9. 纸张叠层 / 旁注 / 目录 ---------- */
.paper-stack{position:relative;isolation:isolate}
.paper-stack::before{
  content:"";position:absolute;z-index:-1;
  inset:12px -9px -9px 12px;
  border:1px solid var(--line);border-radius:var(--r-m);
  background:rgba(244,241,232,.035);
}
.aside-note{
  padding:4px 0 4px 16px;border-left:2px solid var(--sub);
  color:var(--muted);font-size:14.5px;line-height:1.8;
}
.aside-note strong{color:var(--text)}
.toc-list{display:grid;gap:2px}
.toc-item{
  display:flex;align-items:baseline;gap:12px;
  padding:11px 12px;border-radius:var(--r-s);border:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.toc-item:hover{background:rgba(37,224,200,.07);border-color:rgba(37,224,200,.28)}
.toc-index{font-family:var(--font-mono);font-size:12px;color:var(--live);letter-spacing:.1em;flex:0 0 auto}
.toc-text{flex:1 1 auto;font-weight:700}
.toc-meta{font-family:var(--font-mono);font-size:12px;color:var(--muted);flex:0 0 auto}

/* ---------- 10. 面包屑 / 页头 ---------- */
.breadcrumb{margin:0 0 18px}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb-list li{display:flex;align-items:center;gap:8px}
.breadcrumb-list li+li::before{content:"/";color:var(--line)}
.breadcrumb-list a:hover,.breadcrumb-list a:focus-visible{color:var(--live)}
.breadcrumb-list [aria-current="page"]{color:var(--text)}
.page-head{padding:clamp(26px,5vw,58px) 0 clamp(18px,3vw,34px);border-bottom:1px solid var(--line)}

/* ---------- 11. 图片容器（供页面阶段使用） ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-l);
  background:linear-gradient(150deg,var(--ink-800),var(--ink-950));
  aspect-ratio:16/9;
}
.media-frame>img,.media-frame>picture>img{
  width:100%;height:100%;object-fit:cover;object-position:center;
  filter:saturate(1.05) contrast(1.06);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(37,224,200,.16),inset 0 -70px 90px -55px rgba(8,17,15,.95);
}
.media-frame[data-ratio="21-9"]{aspect-ratio:21/9}
.media-frame[data-ratio="16-9"]{aspect-ratio:16/9}
.media-frame[data-ratio="4-3"]{aspect-ratio:4/3}
.media-frame[data-ratio="1-1"]{aspect-ratio:1/1}
.media-frame[data-ratio="3-4"]{aspect-ratio:3/4}
.media-figure{margin:0}
.media-caption,.media-figure figcaption{
  margin-top:10px;font-size:13px;line-height:1.7;color:var(--muted);letter-spacing:.02em;
}
.media-badge{
  position:absolute;left:12px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;
  background:rgba(8,17,15,.86);border:1px solid var(--line);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--live);
}

/* ---------- 12. 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease);
}
.site-header[data-scrolled]{
  background:rgba(8,17,15,.94);
  border-bottom-color:var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
}
.scroll-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--live),var(--sub));
  opacity:0;transition:opacity .3s var(--ease);
}
.site-header[data-scrolled] .scroll-progress{opacity:.9}

.header-shell{
  display:flex;align-items:center;gap:clamp(10px,2vw,26px);
  min-height:var(--header-h);
}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;padding:6px 0;border-radius:var(--r-s)}
.brand-mark{
  display:grid;place-items:center;flex:0 0 auto;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,var(--ink-800),var(--ink-900));
  color:var(--live);font-size:13px;font-weight:800;letter-spacing:.1em;
  writing-mode:vertical-rl;line-height:1;padding:4px 0;
}
.brand-text{display:flex;flex-direction:column;gap:3px;min-width:0}
.brand-name{font-size:17.5px;font-weight:800;letter-spacing:.08em;line-height:1.1;color:var(--text)}
.brand-tag{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.2em;
  color:var(--muted);line-height:1.2;white-space:nowrap;
}

.primary-nav{flex:1 1 auto;display:flex;justify-content:center;align-items:center}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 12px;border-radius:999px;
  font-size:14.5px;font-weight:700;letter-spacing:.02em;color:var(--muted);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--live);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--text);background:rgba(37,224,200,.08)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--live);background:rgba(37,224,200,.1)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-tail{display:none}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.live-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;
  border:1px solid rgba(37,224,200,.35);background:rgba(37,224,200,.08);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--live);
}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 0 rgba(37,224,200,.6);
  animation:pulse-dot 2.4s var(--ease) infinite;
}
@keyframes pulse-dot{
  0%{box-shadow:0 0 0 0 rgba(37,224,200,.55)}
  70%{box-shadow:0 0 0 9px rgba(37,224,200,0)}
  100%{box-shadow:0 0 0 0 rgba(37,224,200,0)}
}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(25,52,44,.6);color:var(--text);
  font-size:13.5px;font-weight:700;letter-spacing:.06em;
}
.nav-toggle:hover{border-color:var(--live);color:var(--live)}
.nav-toggle-bars{display:flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bars span{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:clamp(36px,6vw,68px) 0 22px;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto;height:1px;
  background:linear-gradient(90deg,transparent,rgba(37,224,200,.75),rgba(140,107,255,.6),transparent);
}
.site-footer::after{
  content:"";position:absolute;right:-140px;top:-140px;width:360px;height:360px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(37,224,200,.12),transparent 68%);
}
.footer-shell{position:relative;z-index:1}
.footer-grid{
  display:grid;gap:clamp(24px,3.4vw,44px);
  grid-template-columns:1.6fr 1fr 1.35fr 1fr;
}
.footer-col--brand{display:flex;flex-direction:column;gap:14px}
.brand--footer{padding:0}
.footer-title{
  font-size:12.5px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;
  color:var(--live);margin-bottom:14px;position:relative;padding-bottom:10px;
}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:1px;background:var(--line)}
.footer-list{display:grid;gap:9px}
.footer-list a{
  display:inline-block;font-size:14.5px;color:var(--muted);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-list a:hover,.footer-list a:focus-visible{color:var(--live);transform:translateX(3px)}
.footer-list--plain{color:var(--muted);font-size:14px}
.footer-list--plain li{display:flex;gap:10px;align-items:baseline}
.footer-key{
  flex:0 0 42px;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.12em;color:var(--line);color:var(--muted);opacity:.8;
}
.footer-val{color:var(--text);word-break:break-word}
.footer-note{font-size:13.5px;line-height:1.85;color:var(--muted);max-width:42ch}
.footer-meta{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;
  color:var(--sub);text-transform:uppercase;
}
.footer-base{
  margin-top:clamp(28px,4vw,48px);padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
}
.footer-copy{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.footer-copy--icp{font-family:var(--font-mono);letter-spacing:.06em}
.to-top{
  margin-left:auto;display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;border:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--text);background:rgba(25,52,44,.6);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{color:var(--live);border-color:var(--live);transform:translateY(-2px)}

/* ---------- 14. 滚动显现 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
  will-change:opacity,transform;
}
[data-reveal].is-visible{opacity:1;transform:none;will-change:auto}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1.2fr;gap:28px}
  .footer-col:last-child{grid-column:2 / span 2}
}
@media (max-width:900px){
  :root{--header-h:64px}
  .brand-mark{width:38px;height:38px;border-radius:10px;font-size:12px}
  .header-shell{gap:10px}
  .nav-toggle{display:inline-flex}

  .primary-nav{
    position:fixed;left:0;right:0;top:var(--header-h);
    display:block;
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
    padding:14px var(--gutter) 28px;
    background:linear-gradient(180deg,rgba(16,35,29,.99),rgba(8,17,15,.99));
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
    opacity:0;pointer-events:none;transform:translateY(-10px);
    transition:opacity .26s var(--ease),transform .26s var(--ease);
  }
  .primary-nav[data-open]{opacity:1;pointer-events:auto;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 14px;border-radius:10px;
    font-size:17px;font-weight:800;color:var(--text);
    border-bottom:1px solid rgba(43,74,64,.5);
  }
  .nav-link::after{
    position:static;left:auto;right:auto;bottom:auto;
    width:7px;height:7px;border-radius:50%;transform:none;
    opacity:0;transition:opacity .2s var(--ease);
  }
  .nav-link[aria-current="page"]::after{opacity:1}
  .nav-tail{display:block;padding-top:16px}
  .nav-tail-note{margin-top:10px;font-size:13px;color:var(--muted)}
}
@media (max-width:820px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .footer-col:last-child{grid-column:auto}
  .footer-col--brand{grid-column:1 / -1}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  .live-pill{display:none}
}
@media (max-width:620px){
  .brand-tag{display:none}
  .header-cta{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-col--brand{grid-column:auto}
  .to-top{margin-left:0}
}
@media (max-width:520px){
  .grid-2,.grid-3,.grid-4,.grid-auto{grid-template-columns:1fr}
  .panel-row{flex-wrap:wrap}
  body{font-size:15.5px}
}

/* ---------- 16. 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;
  }
  [data-reveal]{opacity:1;transform:none}
  .live-dot{animation:none}
}