/* ============================================================
   博澳娱乐 · /assets/site.css
   夜场转播间视觉系统：墨蓝底 / 玻璃层 / 电光青轨道 / 炽橙行动
   ============================================================ */

:root{
  --ink:#050A18;
  --hold:#0B1226;
  --glass:rgba(24,38,70,.55);
  --cyan:#29D6E8;
  --orange:#FF6A1F;
  --lime:#A8E63A;
  --paper:#E6EDF7;
  --fog:#94A3B8;
  --violet:#7C5CFF;
  --line:rgba(41,214,232,.22);

  --font-narrow:"Arial Narrow","Helvetica Neue Condensed","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","Roboto Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --gutter:18px;
  --rail:220px;
  --gap:8px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow:0 22px 48px -26px rgba(0,0,0,.88);
}

@media (min-width:720px){ :root{ --gutter:28px; } }
@media (min-width:1100px){ :root{ --gutter:40px; --rail:240px; } }

/* ---------- reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body,
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{ margin:0; }
ul[class],ol[class]{ list-style:none; margin:0; padding:0; }
img,svg,video{ display:block; max-width:100%; }
button,input,select,textarea{ font:inherit; color:inherit; }
a{ color:var(--cyan); text-decoration-thickness:1px; text-underline-offset:3px; }

body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 620px at 84% -10%, rgba(41,214,232,.15), transparent 62%),
    radial-gradient(880px 560px at 0% 6%, rgba(124,92,255,.13), transparent 60%),
    radial-gradient(900px 520px at 52% 118%, rgba(255,106,31,.09), transparent 66%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:4px;
}

::selection{ background:var(--cyan); color:#04121a; }

::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:#040814; }
::-webkit-scrollbar-thumb{ background:#1b2b4d; border-radius:99px; }
::-webkit-scrollbar-thumb:hover{ background:#26406e; }

/* ---------- skip link ---------- */
.skip-link{
  position:absolute;
  left:14px;
  top:-120px;
  z-index:200;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 18px;
  border-radius:var(--r-sm);
  background:var(--lime);
  color:#0a1305;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-decoration:none;
  transition:top .2s ease;
}
.skip-link:focus{ top:14px; }

/* ---------- 布局基础 ---------- */
.shell{
  width:min(100% - 2 * var(--gutter), 1240px);
  margin-inline:auto;
}
.section{ padding:clamp(40px,7vw,92px) 0; }
.section--tight{ padding:clamp(28px,4vw,52px) 0; }

.grid{ display:grid; gap:var(--gap); }
.grid--roomy{ gap:clamp(14px,2vw,26px); }
.cols-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.cols-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.cols-4{ grid-template-columns:repeat(4,minmax(0,1fr)); }

@media (max-width:1000px){
  .cols-3,.cols-4{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:620px){
  .cols-2,.cols-3,.cols-4{ grid-template-columns:minmax(0,1fr); }
}

/* ---------- 文字系统 ---------- */
.h-display{
  font-family:var(--font-narrow);
  font-weight:700;
  font-size:clamp(28px,5vw,64px);
  line-height:1.02;
  letter-spacing:-.01em;
  text-transform:uppercase;
  color:var(--paper);
}
.h-sec{
  font-family:var(--font-narrow);
  font-weight:700;
  font-size:clamp(21px,3vw,38px);
  line-height:1.12;
  letter-spacing:-.01em;
  color:var(--paper);
}
.label{
  font-size:12px;
  line-height:1.5;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--fog);
}
.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.prose{
  max-width:68ch;
  color:var(--paper);
}
.prose p{ margin-bottom:1.1em; }
.prose p:last-child{ margin-bottom:0; }
.prose strong{ color:#fff; }
.prose a{ color:var(--cyan); }
.side-note{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-size:11px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--fog);
}

/* ---------- 容器 ---------- */
.panel{
  background:var(--hold);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:clamp(18px,2.4vw,28px);
}
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:clamp(18px,2.4vw,28px);
}

/* ---------- 图片容器（页面阶段放置素材） ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background-image:linear-gradient(140deg,#0B1226,#16264f 55%,#0B1226);
  isolation:isolate;
}
.media > img,
.media > picture > img,
.media > video{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(120% 82% at 82% 0%, rgba(41,214,232,.20), transparent 62%),
    linear-gradient(180deg, transparent 42%, rgba(5,10,24,.78));
}
.media--film{ aspect-ratio:21/9; }
.media--wide{ aspect-ratio:16/9; }
.media--square{ aspect-ratio:1/1; }
.media--portrait{ aspect-ratio:3/4; }
.media--tall{ aspect-ratio:4/5; }
.media-cap{
  margin-top:10px;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--fog);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:46px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:999px;
  background:none;
  color:var(--paper);
  font-family:inherit;
  font-size:14px;
  font-weight:700;
  letter-spacing:.08em;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.btn:active{ transform:translateY(1px); }
.btn--primary{
  background:var(--orange);
  color:#180800;
}
.btn--primary:hover{ background:#ff8347; }
.btn--cyan{
  background:rgba(41,214,232,.12);
  border-color:rgba(41,214,232,.55);
  color:var(--cyan);
}
.btn--cyan:hover{ background:rgba(41,214,232,.22); }
.btn--ghost{
  border-color:var(--line);
  color:var(--paper);
}
.btn--ghost:hover{ border-color:rgba(41,214,232,.55); background:rgba(24,38,70,.6); }

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--fog);
  white-space:nowrap;
}
.tag--cyan{ color:var(--cyan); border-color:rgba(41,214,232,.45); }
.tag--violet{ color:var(--violet); border-color:rgba(124,92,255,.5); }
.tag--lime{ color:var(--lime); border-color:rgba(168,230,58,.5); }
.tag--orange{ color:var(--orange); border-color:rgba(255,106,31,.5); }

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0;
  margin-bottom:22px;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--fog);
}
.crumb li{ display:flex; align-items:center; }
.crumb li + li::before{
  content:"/";
  margin:0 10px;
  color:rgba(148,163,184,.45);
}
.crumb a{
  color:var(--fog);
  text-decoration:none;
}
.crumb a:hover{ color:var(--cyan); }
.crumb [aria-current="page"]{ color:var(--paper); }

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding:8px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(24,38,70,.42);
}
.filter-btn{
  min-height:40px;
  padding:0 18px;
  border:1px solid transparent;
  border-radius:999px;
  background:transparent;
  color:var(--fog);
  font-family:inherit;
  font-size:13px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:background-color .18s ease, color .18s ease, border-color .18s ease;
}
.filter-btn:hover{ color:var(--paper); background:rgba(41,214,232,.1); }
.filter-btn[aria-pressed="true"]{
  background:var(--lime);
  border-color:var(--lime);
  color:#0c1602;
  font-weight:700;
}
@media (max-width:620px){
  .filter-bar{ border-radius:var(--r-md); }
}

/* ---------- 数据块 / 进度 / 时间轴 ---------- */
.stat{
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--hold);
}
.stat-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(20px,2.6vw,34px);
  line-height:1.1;
  color:var(--cyan);
}
.stat-key{
  margin-top:6px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--fog);
}
.meter{
  height:4px;
  border-radius:99px;
  background:rgba(41,214,232,.16);
  overflow:hidden;
}
.meter > i{
  display:block;
  height:100%;
  background-image:linear-gradient(90deg,var(--cyan),var(--lime));
}
.timeline{
  position:relative;
  padding-left:24px;
  border-left:1px solid var(--line);
}
.timeline li{
  position:relative;
  padding:10px 0;
}
.timeline li::before{
  content:"";
  position:absolute;
  left:-30px;
  top:18px;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--ink);
  border:2px solid var(--cyan);
}
.timeline li[data-active]::before{
  background:var(--lime);
  border-color:var(--lime);
}

/* ---------- 滚动揭示 ---------- */
html.has-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s ease, transform .55s ease;
}
html.has-js [data-reveal].is-in{
  opacity:1;
  transform:none;
}

/* ---------- 头部 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(5,10,24,.93);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  color:var(--paper);
}
.head-shell{
  width:min(100% - 2 * var(--gutter), 1240px);
  margin-inline:auto;
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr);
  align-items:center;
}
.head-rail{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  min-height:104px;
  padding-right:26px;
  border-right:1px solid var(--line);
}
.brand{
  display:flex;
  flex-direction:column;
  gap:5px;
  text-decoration:none;
  color:inherit;
}
.brand-mark{
  display:flex;
  align-items:flex-end;
  gap:3px;
  height:12px;
}
.brand-mark i{
  display:block;
  width:3px;
  border-radius:1px;
  background:var(--cyan);
}
.brand-mark i:nth-child(1){ height:6px; }
.brand-mark i:nth-child(2){ height:12px; background:var(--orange); }
.brand-mark i:nth-child(3){ height:9px; background:var(--lime); }
.brand-name{
  font-family:var(--font-narrow);
  font-weight:700;
  font-size:21px;
  line-height:1.1;
  letter-spacing:.06em;
  color:var(--paper);
}
.brand-sub{
  font-size:11px;
  line-height:1.4;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--fog);
}
.rail-tick{
  position:absolute;
  right:12px;
  top:50%;
  transform:translateY(-50%);
  writing-mode:vertical-rl;
  text-orientation:mixed;
  white-space:nowrap;
  font-size:10px;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:rgba(148,163,184,.65);
  pointer-events:none;
}
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(24,38,70,.5);
  color:var(--paper);
  font-family:inherit;
  font-size:12px;
  letter-spacing:.14em;
  cursor:pointer;
}
.nav-toggle-bars{
  display:flex;
  flex-direction:column;
  gap:4px;
  width:16px;
}
.nav-toggle-bars i{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  transition:transform .2s ease, opacity .2s ease, background-color .2s ease;
}
.nav-toggle[aria-expanded="true"] i:nth-child(1){
  background:var(--lime);
  transform:translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] i:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] i:nth-child(3){
  background:var(--lime);
  transform:translateY(-6px) rotate(-45deg);
}
.nav-toggle-text{ line-height:1; }

.head-body{
  display:grid;
  gap:6px;
  padding:8px 0 8px 28px;
}
.head-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:8px;
  border-bottom:1px solid var(--line);
}
.head-lede{
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--fog);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.head-quick{
  display:flex;
  align-items:center;
  gap:8px;
}
.quick-link{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 14px;
  border:1px solid rgba(41,214,232,.4);
  border-radius:999px;
  font-size:12px;
  letter-spacing:.08em;
  white-space:nowrap;
  color:var(--cyan);
  text-decoration:none;
  transition:background-color .18s ease, border-color .18s ease, color .18s ease;
}
.quick-link:hover{ background:rgba(41,214,232,.14); }
.quick-link--alt{
  color:var(--orange);
  border-color:rgba(255,106,31,.45);
}
.quick-link--alt:hover{ background:rgba(255,106,31,.16); }

.head-nav{ display:block; }
.nav-list{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:2px;
}
.nav-list a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  border-bottom:2px solid transparent;
  color:var(--fog);
  font-size:14px;
  letter-spacing:.06em;
  text-decoration:none;
  transition:color .18s ease, background-color .18s ease, border-color .18s ease;
}
.nav-list a:hover{
  color:var(--paper);
  background:rgba(41,214,232,.08);
}
.nav-list a[aria-current="page"]{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}

.head-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  overflow:hidden;
  pointer-events:none;
}
.head-progress > span{
  display:block;
  width:0;
  height:100%;
  background-image:linear-gradient(90deg,var(--cyan),var(--lime) 65%,var(--orange));
}

@media (max-width:940px){
  .head-shell{
    grid-template-columns:minmax(0,1fr);
    gap:0;
  }
  .head-rail{
    min-height:66px;
    justify-content:space-between;
    padding-right:0;
    border-right:0;
  }
  .brand{
    flex-direction:row;
    align-items:center;
    gap:10px;
  }
  .brand-mark{ height:10px; }
  .brand-name{ font-size:17px; letter-spacing:.08em; }
  .brand-sub{ display:none; }
  .rail-tick{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .head-body{
    padding:0;
    gap:0;
  }
  .head-top{ display:none; }
  .head-nav{ height:0; }
  .nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    z-index:75;
    max-height:0;
    overflow:hidden;
    opacity:0;
    background:rgba(7,13,28,.98);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    transition:max-height .3s ease, opacity .22s ease;
  }
  .nav[data-open]{
    max-height:min(72vh,520px);
    overflow:auto;
    opacity:1;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:10px var(--gutter) 20px;
  }
  .nav-list a{
    min-height:50px;
    padding:0 14px;
    border-bottom:1px solid var(--line);
    border-left:2px solid transparent;
    font-size:15px;
  }
  .nav-list a[aria-current="page"]{
    color:var(--cyan);
    background:rgba(41,214,232,.09);
    border-bottom-color:var(--line);
    border-left-color:var(--cyan);
  }
}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  margin-top:clamp(48px,8vw,104px);
  background:var(--hold);
  border-top:1px solid var(--line);
  color:var(--paper);
}
.site-foot::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:100%;
  height:1px;
  background-image:linear-gradient(90deg,var(--cyan),rgba(41,214,232,0) 54%,var(--orange));
  opacity:.75;
}
.foot-shell{
  width:min(100% - 2 * var(--gutter), 1240px);
  margin-inline:auto;
  padding:clamp(36px,5vw,66px) 0 clamp(24px,3vw,38px);
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1.2fr);
  gap:36px 44px;
}
.foot-brand{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.foot-mark{
  display:flex;
  align-items:flex-end;
  gap:3px;
  height:14px;
}
.foot-mark i{
  display:block;
  width:4px;
  border-radius:1px;
}
.foot-mark i:nth-child(1){ height:7px; background:var(--cyan); }
.foot-mark i:nth-child(2){ height:14px; background:var(--orange); }
.foot-mark i:nth-child(3){ height:10px; background:var(--lime); }
.foot-name{
  font-family:var(--font-narrow);
  font-weight:700;
  font-size:24px;
  line-height:1.15;
  letter-spacing:.05em;
}
.foot-note{
  max-width:34ch;
  font-size:14px;
  line-height:1.75;
  color:var(--fog);
}
.foot-since{
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(148,163,184,.78);
}
.foot-col{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.foot-head{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
}
.foot-list{
  display:grid;
  gap:2px;
}
.foot-list a{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  font-size:14px;
  color:var(--fog);
  text-decoration:none;
  transition:color .18s ease, padding-left .18s ease;
}
.foot-list a:hover{
  color:var(--paper);
  padding-left:6px;
}
.foot-meta{
  display:grid;
  gap:12px;
  font-size:13px;
  line-height:1.7;
  color:var(--fog);
}
.foot-meta strong{
  display:block;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--paper);
}
.foot-bottom{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(148,163,184,.85);
}

@media (max-width:940px){
  .foot-shell{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .foot-brand{ grid-column:1 / -1; }
}
@media (max-width:600px){
  .foot-shell{ grid-template-columns:minmax(0,1fr); }
  .foot-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  html.has-js [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}