/* ===========================================================
   新莆京娱乐 · 共享样式 /assets/site.css
   深靛夜色底 + 霓虹青数据线 + 暖金刻度的“夜间专题研究板”
   =========================================================== */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:140px}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd,hr{margin:0;padding:0}
ul,ol{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;cursor:pointer}
table{border-collapse:collapse;width:100%}
hr{border:0}

/* ---------- tokens ---------- */
:root{
  --indigo-950:#0B1030;
  --indigo-900:#141A45;
  --indigo-800:#1D2456;
  --indigo-600:#2A3266;
  --cyan:#3FF0D8;
  --cyan-700:#14B8A6;
  --gold:#F5B94A;
  --magenta:#FF4D8D;
  --violet:#8B6CF6;
  --ok:#4ADE80;
  --ink:#E8ECFF;
  --ink-2:#A6AEDA;
  --head:"HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --body:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius:14px;
  --radius-sm:8px;
  --ease:cubic-bezier(.22,.7,.3,1);
}

/* ---------- base ---------- */
html{background:var(--indigo-950)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  min-height:100%;
  background-color:var(--indigo-950);
  background-image:
    radial-gradient(900px 560px at 92% -8%, rgba(63,240,216,.10), transparent 62%),
    radial-gradient(720px 520px at 4% 6%, rgba(139,108,246,.14), transparent 64%),
    radial-gradient(1200px 760px at 50% 116%, rgba(20,26,69,.95), transparent 72%);
  background-repeat:no-repeat;
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.5;
  background-image:linear-gradient(to right, rgba(42,50,102,.30) 1px, transparent 1px);
  background-size:calc(100% / 12) 100%;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 68%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 68%);
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--head);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.12;
  color:var(--ink);
}
h1{font-size:clamp(40px,6vw,68px)}
h2{font-size:clamp(26px,3.4vw,36px)}
h3{font-size:clamp(20px,2vw,24px)}
strong{font-weight:700}
::selection{background:rgba(63,240,216,.28);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ---------- shell & grid ---------- */
.px-shell{
  width:100%;
  max-width:1440px;
  margin-inline:auto;
  padding-inline:clamp(18px,6vw,96px);
}
.px-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2vw,28px);
}
.px-col--narrow{grid-column:span 3}
.px-col--half{grid-column:span 6}
.px-col--wide{grid-column:span 9}
.px-col--full{grid-column:1 / -1}
.px-section{padding-block:clamp(48px,7vw,110px)}
.px-section__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px 24px;
  margin-bottom:clamp(22px,3vw,40px);
}
.px-section__title{font-size:clamp(26px,3.4vw,36px)}
.px-rule{height:1px;background:var(--indigo-600);margin-block:clamp(28px,4vw,56px)}

/* ---------- skip link ---------- */
.px-skip{
  position:absolute;
  left:14px;
  top:-72px;
  z-index:200;
  padding:12px 20px;
  background:var(--cyan);
  color:#04201C;
  font-weight:700;
  font-size:15px;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  transition:top .2s var(--ease);
}
.px-skip:focus{top:0}

/* ---------- header ---------- */
.px-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,16,48,.86);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid var(--indigo-600);
  transition:background .25s var(--ease), box-shadow .25s var(--ease);
}
.px-header::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:min(34%,420px);
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),transparent);
  transform:skewX(-34deg);
  transform-origin:left bottom;
  pointer-events:none;
}
.px-header[data-scrolled]{
  background:rgba(11,16,48,.97);
  box-shadow:0 24px 60px -44px #000;
}
.px-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  height:2px;
  width:0;
  z-index:2;
  background:linear-gradient(90deg,var(--cyan),var(--gold),var(--magenta));
  pointer-events:none;
}
.px-header__inner{padding-block:14px 0}
.px-header__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px 28px;
}
.px-header__row--nav{
  margin-top:8px;
  padding-bottom:12px;
  gap:16px;
  align-items:flex-end;
}

/* brand */
.px-brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.px-brand__mark{
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  border:1px solid var(--cyan);
  border-radius:10px;
  background:linear-gradient(140deg,rgba(63,240,216,.18),rgba(139,108,246,.14));
  color:var(--cyan);
  font-family:var(--head);
  font-size:20px;
  font-weight:900;
  line-height:1;
  transform:rotate(-3deg);
  box-shadow:0 12px 26px -20px var(--cyan);
}
.px-brand__text{display:block;min-width:0}
.px-brand__name{
  display:block;
  font-family:var(--head);
  font-size:19px;
  font-weight:900;
  letter-spacing:.01em;
  line-height:1.2;
  color:var(--ink);
}
.px-brand__tagline{
  display:block;
  margin-top:2px;
  font-size:11px;
  letter-spacing:.1em;
  color:var(--ink-2);
  line-height:1.4;
}
.px-brand--footer{margin-bottom:16px}

/* quick entries */
.px-quick{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  flex-wrap:wrap;
  gap:10px;
}
.px-quick__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 13px;
  border:1px solid var(--indigo-600);
  border-radius:999px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--ink-2);
  transition:border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.px-quick__link:hover{
  border-color:var(--cyan);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 10px 22px -16px var(--cyan);
}
.px-quick__dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(63,240,216,.16);
}
.px-quick__dot--gold{background:var(--gold);box-shadow:0 0 0 3px rgba(245,185,74,.16)}
.px-quick__dot--magenta{background:var(--magenta);box-shadow:0 0 0 3px rgba(255,77,141,.16)}

/* primary nav */
.px-nav{
  display:flex;
  flex:1 1 auto;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  counter-reset:pxnav;
}
.px-nav__list{display:flex;align-items:center;gap:2px}
.px-nav__list--start{justify-content:flex-start}
.px-nav__list--end{justify-content:flex-end;margin-left:auto}
.px-nav__item{counter-increment:pxnav;display:flex;align-items:center}
.px-nav__item::before{
  content:counter(pxnav,decimal-leading-zero);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.06em;
  color:var(--gold);
  opacity:.8;
  margin-right:6px;
}
.px-nav__link{
  position:relative;
  display:inline-block;
  padding:8px 10px 11px;
  border-radius:6px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  color:var(--ink-2);
  transition:color .2s var(--ease), background .2s var(--ease);
}
.px-nav__link::after{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  bottom:5px;
  height:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s var(--ease), background .25s var(--ease);
}
.px-nav__link:hover{color:var(--ink)}
.px-nav__link:hover::after{transform:scaleX(1)}
.px-nav__link[aria-current="page"]{color:var(--cyan)}
.px-nav__link[aria-current="page"]::after{
  transform:scaleX(1);
  background:linear-gradient(90deg,var(--cyan),var(--gold));
}

/* nav toggle */
.px-navtoggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border:1px solid var(--indigo-600);
  border-radius:var(--radius-sm);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--ink-2);
  transition:border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.px-navtoggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.px-navtoggle__bar{
  display:block;
  height:2px;
  width:100%;
  background:currentColor;
  transition:transform .22s var(--ease), opacity .22s var(--ease);
}
.px-navtoggle__bar:nth-child(2){width:70%}
.px-navtoggle__label{white-space:nowrap}
.px-header[data-open] .px-navtoggle{
  color:var(--cyan);
  border-color:var(--cyan);
  background:rgba(63,240,216,.08);
}
.px-header[data-open] .px-navtoggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.px-header[data-open] .px-navtoggle__bar:nth-child(2){opacity:0}
.px-header[data-open] .px-navtoggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- footer ---------- */
.px-footer{
  position:relative;
  margin-top:clamp(56px,9vw,140px);
  background:var(--indigo-900);
  border-top:1px solid var(--indigo-600);
}
.px-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:min(46%,520px);
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--gold),transparent);
  pointer-events:none;
}
.px-footer__inner{
  display:grid;
  grid-template-columns:minmax(220px,1.15fr) minmax(0,2.1fr) minmax(250px,1.1fr);
  gap:clamp(28px,4vw,64px);
  padding-block:clamp(44px,6vw,84px) 0;
}
.px-footer__note{
  font-size:14px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:34ch;
}
.px-footer__meta{
  margin-top:12px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--cyan-700);
}
.px-footer__cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}
.px-footer__title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--gold);
  margin-bottom:14px;
}
.px-footer__list li + li{margin-top:9px}
.px-footer__link{
  display:inline-block;
  font-size:15px;
  color:var(--ink-2);
  transition:color .2s var(--ease), transform .2s var(--ease);
}
.px-footer__link:hover{color:var(--cyan);transform:translateX(3px)}
.px-contact{
  border:1px solid var(--indigo-600);
  border-radius:var(--radius);
  background:var(--indigo-800);
  padding:22px;
}
.px-contact__title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--cyan);
  margin-bottom:12px;
}
.px-contact__list li{
  display:flex;
  gap:12px;
  padding:10px 0;
  border-top:1px dashed rgba(42,50,102,.9);
}
.px-contact__list li:first-child{border-top:0;padding-top:0}
.px-contact__key{
  flex:0 0 46px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--ink-2);
}
.px-contact__val{
  font-size:14px;
  line-height:1.6;
  color:var(--ink);
  word-break:break-word;
}
.px-contact__val--mono{font-family:var(--mono);font-size:13px;letter-spacing:.02em}
.px-contact__note{
  margin-top:14px;
  padding-top:12px;
  border-top:1px solid var(--indigo-600);
  font-size:12.5px;
  line-height:1.7;
  color:var(--ink-2);
}
.px-footer__bar{
  margin-top:clamp(32px,5vw,60px);
  padding-block:20px 28px;
  border-top:1px solid var(--indigo-600);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  font-size:13px;
  color:var(--ink-2);
}
.px-footer__legal{font-family:var(--mono);letter-spacing:.04em}
.px-footer__copy{letter-spacing:.04em}

/* ---------- back to top ---------- */
.px-totop{
  position:fixed;
  right:clamp(16px,3vw,34px);
  bottom:clamp(16px,3vw,34px);
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:12px 17px;
  border:1px solid var(--indigo-600);
  border-radius:999px;
  background:rgba(20,26,69,.94);
  color:var(--ink-2);
  font-size:13px;
  letter-spacing:.08em;
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .24s var(--ease), transform .24s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.px-totop[data-visible]{opacity:1;pointer-events:auto;transform:none}
.px-totop:hover{border-color:var(--cyan);color:var(--ink)}
.px-totop__arrow{color:var(--cyan);font-family:var(--mono);line-height:1}

/* ---------- buttons & labels ---------- */
.px-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 22px;
  border:1px solid transparent;
  border-radius:10px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.px-btn--cyan{
  background:var(--cyan);
  color:#06231F;
  box-shadow:0 16px 34px -22px var(--cyan);
}
.px-btn--cyan:hover{transform:translateY(-2px);box-shadow:0 20px 38px -20px var(--cyan)}
.px-btn--gold{
  border-color:var(--gold);
  color:var(--gold);
  background:rgba(245,185,74,.06);
}
.px-btn--gold:hover{background:rgba(245,185,74,.14);transform:translateY(-2px)}
.px-btn--ghost{border-color:var(--indigo-600);color:var(--ink-2)}
.px-btn--ghost:hover{border-color:var(--cyan);color:var(--ink);transform:translateY(-2px)}
.px-eyebrow{
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ink-2);
}
.px-eyebrow--cyan{color:var(--cyan)}
.px-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border:1px solid var(--indigo-600);
  border-radius:999px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ink-2);
}
.px-tag--gold{border-color:rgba(245,185,74,.5);color:var(--gold)}

/* ---------- cards / panels / stats ---------- */
.px-card{
  position:relative;
  border:1px solid var(--indigo-600);
  border-radius:var(--radius);
  background:linear-gradient(160deg,var(--indigo-800),var(--indigo-900));
  padding:clamp(20px,2.4vw,30px);
  transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}
.px-card:hover{
  border-color:var(--cyan);
  transform:translate(-2px,-4px);
  box-shadow:8px 10px 0 -2px rgba(63,240,216,.18);
}
.px-card__index{
  display:block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--gold);
}
.px-card__title{
  font-size:clamp(19px,2vw,24px);
  font-weight:800;
  letter-spacing:-.01em;
  margin:8px 0 10px;
}
.px-card__body{font-size:15px;line-height:1.8;color:var(--ink-2)}
.px-panel{
  border:1px solid var(--indigo-600);
  border-radius:16px;
  background:var(--indigo-800);
  padding:clamp(20px,3vw,34px);
}
.px-stat{
  border:1px solid var(--indigo-600);
  border-radius:var(--radius);
  background:rgba(29,36,86,.72);
  padding:18px 20px;
}
.px-stat__num{
  display:block;
  font-family:var(--mono);
  font-weight:700;
  font-size:clamp(26px,3vw,34px);
  letter-spacing:-.02em;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
  line-height:1.15;
}
.px-stat__label{
  display:block;
  margin-top:6px;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--ink-2);
}
.px-stat--gold .px-stat__num{color:var(--gold)}

/* ---------- text blocks ---------- */
.px-prose{
  max-width:68ch;
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
}
.px-prose p + p{margin-top:1.1em}
.px-prose a{color:var(--cyan);border-bottom:1px solid rgba(63,240,216,.4)}
.px-prose a:hover{border-bottom-color:var(--cyan)}
.px-lede{
  max-width:60ch;
  font-size:clamp(18px,1.6vw,21px);
  line-height:1.7;
  color:var(--ink-2);
}
.px-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  padding-block:18px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--ink-2);
}
.px-breadcrumb > li{display:inline-flex;align-items:center}
.px-breadcrumb > li + li::before{
  content:"/";
  margin-inline:9px;
  color:var(--indigo-600);
}
.px-breadcrumb a:hover{color:var(--cyan)}

/* ---------- media ---------- */
.px-figure{margin:0}
.px-media{
  position:relative;
  overflow:hidden;
  border:1px solid var(--indigo-600);
  border-radius:16px;
  background:linear-gradient(140deg,var(--indigo-800),var(--indigo-900));
  aspect-ratio:16 / 9;
}
.px-media > img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:relative;
  z-index:1;
}
.px-media--tall{aspect-ratio:4 / 5}
.px-media--square{aspect-ratio:1 / 1}
.px-media__glow{
  position:absolute;
  left:-10%;
  right:-10%;
  bottom:-35%;
  height:70%;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(closest-side,rgba(63,240,216,.45),rgba(139,108,246,.18) 60%,transparent 76%);
}
.px-figure__caption{
  margin-top:10px;
  font-size:13px;
  letter-spacing:.04em;
  line-height:1.7;
  color:var(--ink-2);
}

/* ---------- chapter toc ---------- */
.px-toc{
  position:sticky;
  top:132px;
  border-left:1px solid var(--indigo-600);
  padding-left:16px;
}
.px-toc__title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--ink-2);
  margin-bottom:12px;
}
.px-toc__link{
  display:block;
  padding:7px 0;
  font-size:14px;
  color:var(--ink-2);
  transition:color .2s var(--ease), padding-left .2s var(--ease);
}
.px-toc__link:hover{color:var(--ink)}
.px-toc__link[aria-current="true"]{color:var(--cyan);padding-left:9px}

/* ---------- reveal ---------- */
[data-js] [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .32s ease-out, transform .32s ease-out;
}
[data-js] [data-reveal].is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .px-footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .px-footer__brand{grid-column:1 / -1}
  .px-contact{grid-column:1 / -1}
  .px-toc{position:static;top:auto;border-left:0;border-top:1px solid var(--indigo-600);padding:14px 0 0}
}
@media (max-width:960px){
  html{scroll-padding-top:110px}
  .px-navtoggle{display:inline-flex}
  .px-header__row--nav{justify-content:flex-end;padding-bottom:10px;margin-top:6px}
  .px-nav{
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    max-height:calc(100vh - 120px);
    overflow:auto;
    padding:10px clamp(18px,6vw,96px) 22px;
    background:var(--indigo-900);
    border-top:1px solid var(--indigo-600);
    border-bottom:1px solid var(--indigo-600);
    box-shadow:0 40px 70px -40px #000;
  }
  .px-header[data-open] .px-nav{display:flex}
  .px-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin-left:0;
  }
  .px-nav__item{
    border-bottom:1px solid rgba(42,50,102,.65);
    padding-left:0;
  }
  .px-nav__item:last-child{border-bottom:0}
  .px-nav__link{
    display:block;
    padding:14px 4px;
    font-size:17px;
  }
  .px-nav__link::after{display:none}
  .px-nav__link[aria-current="page"]{
    background:linear-gradient(90deg,rgba(63,240,216,.12),transparent);
    box-shadow:inset 3px 0 0 var(--cyan);
    padding-left:12px;
  }
  .px-col--narrow,.px-col--half,.px-col--wide{grid-column:1 / -1}
  .px-header__inner{padding-block:12px 0}
}
@media (max-width:700px){
  .px-footer__inner{grid-template-columns:minmax(0,1fr)}
  .px-footer__brand,.px-contact{grid-column:auto}
  .px-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px}
  .px-brand__mark{width:40px;height:40px;font-size:18px}
  .px-brand__name{font-size:17px}
  .px-footer__bar{padding-block:18px 24px}
}
@media (max-width:560px){
  .px-header__row{flex-wrap:wrap;gap:10px}
  .px-quick{flex:1 1 100%;justify-content:flex-start}
  .px-quick__link{font-size:12px;padding:6px 10px}
  .px-footer__cols{grid-template-columns:minmax(0,1fr)}
  .px-brand__tagline{font-size:10px;letter-spacing:.08em}
}

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