*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
[id]{scroll-margin-top:96px}

:root{
  --ink:#0B1F1A;
  --char:#14171A;
  --panel:#1D2A25;
  --panel-2:#22302A;
  --line:#3E5B4F;
  --gray:#8C9A94;
  --gray-dim:#6E7F78;
  --cream:#EDE7DA;
  --yellow:#F2C230;
  --red:#D8392B;
  --cyan:#7FD1C1;
  --white:#F5F7F5;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --maxw:1360px;
  --bar-h:72px;
  --bar-h-short:48px;
  --rail:260px;
  --gap:20px;
  --pad-x:24px;
  --radius:2px;
}

body{
  background:var(--ink);
  color:var(--white);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.015em;line-height:1.25}
strong{font-weight:700}
::selection{background:var(--yellow);color:var(--ink)}
:focus-visible{outline:2px solid var(--yellow);outline-offset:2px}

.u-visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.u-mono{font-family:var(--mono);letter-spacing:.02em}
.u-vertical{writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.24em;font-family:var(--mono);font-size:11px;color:var(--gray)}

/* ============ skip link ============ */
.skip-link{
  position:absolute;left:12px;top:-64px;z-index:120;
  display:inline-flex;align-items:center;
  padding:10px 16px;background:var(--yellow);color:var(--ink);
  font-size:13px;font-weight:700;letter-spacing:.04em;border-radius:var(--radius);
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ============ command bar ============ */
.cmd-bar{
  position:sticky;top:0;z-index:70;
  background:var(--ink);
  border-bottom:1px solid var(--line);
}
.cmd-bar__inner{
  position:relative;
  display:flex;align-items:center;gap:20px;
  max-width:var(--maxw);margin:0 auto;
  padding:0 var(--pad-x);
  min-height:var(--bar-h);
  transition:min-height .22s ease;
}
.cmd-bar[data-scrolled] .cmd-bar__inner{min-height:var(--bar-h-short)}

.cmd-bar__left{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.brand{display:flex;align-items:center;gap:10px;padding:6px 0}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;flex:0 0 30px;
  border:1px solid var(--line);background:var(--panel);
  font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.06em;color:var(--yellow);border-radius:var(--radius);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--white)}
.brand__sub{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  color:var(--gray-dim);transition:opacity .2s ease;
}
.cmd-bar[data-scrolled] .brand__sub{opacity:0}
.brand:hover .brand__name{color:var(--yellow)}

.season-picker{
  display:flex;align-items:center;gap:6px;
  padding-left:18px;border-left:1px solid var(--line);
}
.season-picker__label{
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;
  color:var(--gray-dim);text-transform:uppercase;margin-right:2px;
}
.season-chip{
  font-family:var(--mono);font-size:11px;line-height:1;
  padding:5px 7px;border:1px solid var(--line);border-radius:var(--radius);
  color:var(--gray);cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.season-chip:hover{border-color:var(--gray);color:var(--white)}
.season-chip[aria-pressed="true"]{background:var(--yellow);border-color:var(--yellow);color:var(--ink);font-weight:600}

.nav{flex:1 1 auto;min-width:0;align-self:stretch}
.nav__list{display:flex;align-items:stretch;height:100%}
.nav__item{display:flex}
.nav__link{
  position:relative;display:flex;align-items:center;gap:7px;
  padding:0 13px;height:100%;
  font-size:13.5px;letter-spacing:.02em;color:var(--gray);
  white-space:nowrap;
  transition:color .16s ease,background .16s ease;
}
.nav__index{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--yellow);opacity:.5}
.nav__link:hover{color:var(--white)}
.nav__link:hover .nav__index{opacity:.9}
.nav__link[aria-current="page"]{color:var(--white);font-weight:600}
.nav__link[aria-current="page"] .nav__index{opacity:1}
.nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;background:var(--yellow);
}

.cmd-bar__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;padding-left:18px;border-left:1px solid var(--line)}
.cmd-bar__cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border:1px solid var(--yellow);border-radius:var(--radius);
  color:var(--yellow);font-size:13px;font-weight:600;letter-spacing:.04em;
  transition:background .18s ease,color .18s ease;
}
.cmd-bar__cta:hover{background:var(--yellow);color:var(--ink)}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:8px 11px;border:1px solid var(--line);border-radius:var(--radius);
  color:var(--white);cursor:pointer;font-size:13px;letter-spacing:.06em;
}
.nav-toggle:hover{border-color:var(--yellow)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:12px}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--yellow);
  transition:transform .2s ease,top .2s ease;
}
.nav-toggle__bars::before{top:2px}
.nav-toggle__bars::after{top:9px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:5.5px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:5.5px;transform:rotate(-45deg)}

.cmd-bar__progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden}
.cmd-bar__progress-bar{
  display:block;width:100%;height:100%;
  background:linear-gradient(90deg,var(--yellow) 0%,var(--yellow) 55%,var(--red) 100%);
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .12s linear;
}

.to-top{
  position:fixed;right:20px;bottom:20px;z-index:90;
  display:none;place-items:center;
  width:46px;height:46px;
  background:var(--char);border:1px solid var(--line);border-radius:var(--radius);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--yellow);
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.to-top[data-visible]{display:grid}
.to-top:hover{background:var(--panel);border-color:var(--yellow)}

/* ============ shell & layout ============ */
.shell{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x)}
.shell__columns{display:grid;grid-template-columns:var(--rail) minmax(0,1fr)}
.rail{padding:32px 24px 32px 0;border-right:1px solid var(--line)}
.rail + *{padding-left:32px}
.grid{display:grid;gap:var(--gap)}
.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))}

.section{padding:64px 0;border-top:1px solid var(--line)}
.section:first-child{border-top:0}
.section__head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.section__index{
  font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.1em;
  background:var(--yellow);color:var(--ink);padding:3px 8px;border-radius:var(--radius);
}
.section__title{font-size:clamp(20px,2.4vw,28px);font-weight:800;letter-spacing:-.02em;color:var(--white)}
.eyebrow{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gray-dim);
}
.lede{font-size:15.5px;color:var(--gray);max-width:44ch;line-height:1.75}

/* ============ breadcrumbs ============ */
.crumbs{padding:18px 0 6px}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em}
.crumbs__item{color:var(--gray-dim)}
.crumbs__link{color:var(--gray);transition:color .16s ease}
.crumbs__link:hover{color:var(--yellow)}
.crumbs__sep{color:var(--line)}
.crumbs__item[aria-current="page"]{color:var(--white)}

/* ============ prose ============ */
.prose{max-width:72ch;font-size:15px;line-height:1.75;color:var(--white)}
.prose p + p{margin-top:14px}
.prose h2{font-size:21px;margin:34px 0 12px;letter-spacing:-.015em}
.prose h3{font-size:17px;margin:26px 0 10px}
.prose ul,.prose ol{margin:14px 0;padding-left:20px;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:6px 0}
.prose a{border-bottom:1px solid var(--line)}
.prose a:hover{color:var(--yellow);border-bottom-color:var(--yellow)}
.prose--cream{
  background:var(--cream);color:var(--char);
  max-width:none;padding:36px;border-radius:var(--radius);
}
.prose--cream h2,.prose--cream h3{color:var(--char)}
.prose--cream a{border-bottom-color:#b9ae97}
.prose--cream a:hover{color:#8a6b00;border-bottom-color:#8a6b00}

/* ============ buttons & tags ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px;border:1px solid var(--line);border-radius:var(--radius);
  background:transparent;color:var(--white);
  font-size:14px;font-weight:600;letter-spacing:.03em;cursor:pointer;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{border-color:var(--yellow);color:var(--yellow)}
.btn--key{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.btn--key:hover{background:var(--cream);border-color:var(--cream);color:var(--ink)}
.btn--ghost{color:var(--gray)}
.btn--ghost:hover{color:var(--white)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  padding:3px 8px;border:1px solid var(--line);border-radius:var(--radius);color:var(--gray);
}
.tag--key{border-color:var(--yellow);color:var(--yellow)}
.tag--warn{border-color:var(--red);color:var(--red)}
.tag--data{border-color:var(--cyan);color:var(--cyan)}

/* ============ panels & stats ============ */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat__value{display:block;font-family:var(--mono);font-size:30px;font-weight:600;letter-spacing:-.02em;color:var(--yellow);line-height:1.15}
.stat__label{display:block;margin-top:8px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray)}
.stat--warn .stat__value{color:var(--red)}
.stat--data .stat__value{color:var(--cyan)}

/* ============ table ============ */
.table-scroll{overflow:auto;max-height:min(72vh,640px);border:1px solid var(--line);border-radius:var(--radius)}
.data-table{font-size:13.5px;min-width:640px}
.data-table th,.data-table td{padding:10px 14px;text-align:left;border-bottom:1px solid rgba(62,91,79,.55)}
.data-table thead th{
  position:sticky;top:0;z-index:2;
  background:var(--char);color:var(--gray);
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  white-space:nowrap;
}
.data-table tbody tr{background:transparent;transition:background .15s ease}
.data-table tbody tr:nth-child(even){background:var(--panel)}
.data-table tbody tr:hover{background:var(--panel-2)}
.data-table tbody td:first-child{box-shadow:inset 0 0 0 var(--yellow);transition:box-shadow .15s ease}
.data-table tbody tr:hover td:first-child{box-shadow:inset 3px 0 0 var(--yellow)}
.data-table .num{font-family:var(--mono);text-align:right;letter-spacing:.02em}
.data-table .num.is-key{color:var(--yellow);font-weight:600}
.data-table .num.is-warn{color:var(--red)}

/* ============ toc ============ */
.toc{position:sticky;top:96px;font-size:13px}
.toc__title{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gray-dim);margin-bottom:12px}
.toc__list{display:grid;gap:2px}
.toc__link{
  display:block;padding:7px 0 7px 12px;border-left:1px solid var(--line);
  color:var(--gray-dim);transition:color .16s ease,border-color .16s ease;
}
.toc__link:hover{color:var(--white)}
.toc__link[aria-current="true"]{color:var(--yellow);border-left-color:var(--yellow)}

/* ============ media ============ */
.media{position:relative;overflow:hidden;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.media > img,.media > svg,.media > video{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__grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(62,91,79,.45) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(62,91,79,.45) 1px,transparent 1px);
  background-size:25% 25%;
}
.media__tag{
  position:absolute;left:0;top:0;
  background:var(--yellow);color:var(--ink);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;padding:4px 8px;
}
.media__caption{margin-top:8px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--gray-dim)}

/* ============ reveal ============ */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .3s ease,transform .3s ease}
[data-reveal].is-visible{opacity:1;transform:none}

/* ============ footer ============ */
.site-foot{background:var(--char);border-top:1px solid var(--line);margin-top:80px}
.site-foot__inner{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x)}
.foot__status{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:13px 0;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--gray);
}
.foot__pulse{
  width:7px;height:7px;flex:0 0 7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(127,209,193,.16);
  animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.foot__status-text{color:var(--gray)}
.foot__status-note{margin-left:auto;color:var(--gray-dim);letter-spacing:.14em;text-transform:uppercase}

.foot__grid{display:grid;grid-template-columns:1.45fr 1fr 1.35fr 1fr;border-bottom:1px solid var(--line)}
.foot__col{padding:34px 26px;border-left:1px solid var(--line)}
.foot__col:first-child{border-left:0;padding-left:0}
.foot__brand{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--yellow)}
.foot__tagline{margin-top:14px;max-width:34ch;font-size:13.5px;line-height:1.75;color:var(--gray)}
.foot__title{
  display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gray-dim);margin-bottom:16px;
}
.foot__title::before{content:"";width:12px;height:1px;background:var(--yellow);flex:0 0 12px}
.foot__links{display:grid;gap:9px}
.foot__link{
  position:relative;display:inline-block;
  font-size:13.5px;color:var(--gray);
  transition:color .16s ease,padding-left .16s ease;
}
.foot__link::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--yellow);
  transform:translateY(-50%);transition:width .16s ease;
}
.foot__link:hover{color:var(--white);padding-left:14px}
.foot__link:hover::before{width:10px}
.foot__contact{display:grid;gap:10px}
.foot__row{display:grid;grid-template-columns:44px minmax(0,1fr);gap:10px;align-items:baseline}
.foot__key{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray-dim)}
.foot__val{font-size:13.5px;color:var(--gray);word-break:break-word}
.foot__note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--gray-dim);max-width:38ch}
.foot__icp{
  margin-top:16px;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;
  color:var(--yellow);border-left:2px solid var(--yellow);padding-left:10px;
}
.foot__bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  padding:18px 0 22px;
}
.foot__meta{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--gray-dim)}

/* ============ responsive ============ */
@media (max-width:1180px){
  .nav__link{padding:0 10px;font-size:13px}
  .season-picker__label{display:none}
}
@media (max-width:1040px){
  .brand__sub{display:none}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot__grid{grid-template-columns:1fr 1fr}
  .foot__col{padding:28px 22px}
  .foot__col:nth-child(odd){border-left:0;padding-left:0}
  .foot__col:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex}
  .season-picker{display:none}
  .nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;background:var(--char);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    max-height:calc(100vh - 120px);overflow:auto;
  }
  .nav[data-open]{display:block}
  .nav__list{flex-direction:column;align-items:stretch;height:auto;padding:6px 0}
  .nav__item{display:block}
  .nav__link{height:auto;padding:13px var(--pad-x);font-size:15px;border-left:2px solid transparent}
  .nav__link[aria-current="page"]{background:var(--panel);border-left-color:var(--yellow);font-weight:600}
  .nav__link[aria-current="page"]::after{display:none}
  .shell__columns{grid-template-columns:minmax(0,1fr)}
  .rail{border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .rail + *{padding-left:0}
  .toc{position:static}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  body{font-size:16px;line-height:1.8}
  .section{padding:48px 0}
}
@media (max-width:640px){
  :root{--pad-x:16px;--bar-h:60px;--bar-h-short:52px}
  .cmd-bar__left{gap:12px}
  .brand__mark{width:26px;height:26px;flex-basis:26px;font-size:11px}
  .brand__name{font-size:14px}
  .cmd-bar__actions{padding-left:12px;border-left:0}
  .cmd-bar__cta{padding:8px 10px;font-size:12.5px}
  .nav-toggle__text{display:none}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .foot__grid{grid-template-columns:minmax(0,1fr)}
  .foot__col{border-left:0;padding:24px 0;border-top:1px solid var(--line)}
  .foot__col:first-child{border-top:0}
  .foot__status-note{margin-left:0;width:100%}
  .foot__bottom{padding:16px 0 20px}
  .prose--cream{padding:24px}
  .to-top{right:14px;bottom:14px;width:42px;height:42px}
}

@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}
  .cmd-bar__progress-bar{transition:none}
}