:root{
  --night:#0A241D;
  --locker:#061713;
  --panel:#0E2E26;
  --panel-deep:#08201A;
  --cyan:#21E6C1;
  --cyan-deep:#0FA98D;
  --red:#FF3D57;
  --gold:#F0B85A;
  --ink:#E8F4EF;
  --muted:#9BB3AB;
  --line:rgba(33,230,193,.22);
  --line-soft:rgba(33,230,193,.10);
  --cut:14px;
  --cut-sm:9px;
  --t:180ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-title:'Noto Sans SC','Source Han Sans SC','PingFang SC',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'Inter','DIN Alternate','Helvetica Neue',sans-serif;
  --shell:min(1280px,100% - 40px);
  --shell-wide:min(1440px,100% - 40px);
  --header-h:82px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,hr{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
body{
  min-height:100vh;
  background-color:var(--night);
  background-image:
    radial-gradient(1100px 620px at 80% -8%,rgba(33,230,193,.10),transparent 68%),
    radial-gradient(820px 520px at -6% 34%,rgba(15,169,141,.09),transparent 70%);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.65;
  overflow-x:hidden;
}
::selection{background:var(--cyan);color:#04150F}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
.skip-link{
  position:absolute;left:16px;top:-70px;z-index:300;
  padding:10px 16px;background:var(--cyan);color:#04150F;
  font-size:13px;font-weight:700;letter-spacing:.06em;border-radius:2px;
  transition:top var(--t) var(--ease);
}
.skip-link:focus{top:12px}
.container{width:var(--shell);margin-inline:auto}
.container--wide{width:var(--shell-wide);margin-inline:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 18px;border:1px solid transparent;border-radius:2px;
  font-size:13px;font-weight:700;letter-spacing:.06em;line-height:1.2;white-space:nowrap;
  cursor:pointer;background:transparent;
  clip-path:polygon(0 0,calc(100% - var(--cut-sm)) 0,100% var(--cut-sm),100% 100%,var(--cut-sm) 100%,0 calc(100% - var(--cut-sm)));
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.btn--primary{background:var(--cyan);color:#04150F}
.btn--primary:hover{background:var(--gold);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(33,230,193,.08);transform:translateY(-2px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,23,19,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.site-header[data-stuck]{background:rgba(6,23,19,.99);box-shadow:0 22px 46px -34px rgba(0,0,0,.95)}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--cyan),var(--gold));
  transition:transform 120ms linear;
}
.header-inner{
  width:var(--shell-wide);margin-inline:auto;min-height:var(--header-h);
  display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;gap:clamp(12px,2vw,32px);
}
.header-zone{display:flex;align-items:center;gap:clamp(14px,1.8vw,28px);min-width:0}
.header-zone--brand{justify-self:start}
.header-zone--tools{justify-self:end;justify-content:flex-end}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand__mark{
  display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;
  background:var(--cyan);color:#04150F;
  font-family:var(--font-title);font-weight:900;font-size:19px;line-height:1;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  transition:background var(--t) var(--ease);
}
.brand:hover .brand__mark{background:var(--gold)}
.brand__meta{display:flex;flex-direction:column;line-height:1.06}
.brand__name{font-family:var(--font-title);font-weight:900;font-size:20px;letter-spacing:.05em}
.brand__tag{font-size:10.5px;letter-spacing:.16em;color:var(--muted)}
.nav{min-width:0}
.nav--brand{padding-left:clamp(12px,1.6vw,24px);border-left:1px solid var(--line)}
.nav__list{display:flex;align-items:center;gap:clamp(10px,1.4vw,22px)}
.nav__item{display:inline-flex}
.nav__link{
  position:relative;display:inline-block;padding:8px 2px;
  color:var(--muted);font-size:13px;font-weight:500;letter-spacing:.06em;
  transition:color var(--t) var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--cyan);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.nav__link:hover,.nav__link:focus-visible{color:var(--ink)}
.nav__link:hover::after,.nav__link:focus-visible::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--cyan)}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}
.header-status{
  justify-self:center;display:inline-flex;align-items:center;gap:9px;
  padding:7px 14px;border:1px solid var(--line);border-radius:999px;
  background:rgba(33,230,193,.06);color:var(--muted);
  font-size:11px;font-weight:500;letter-spacing:.13em;white-space:nowrap;
}
.header-status__dot{
  width:6px;height:6px;border-radius:50%;background:var(--gold);flex:0 0 auto;
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.72)}}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;align-items:center;gap:9px;padding:9px 13px;
  background:transparent;border:1px solid var(--line);border-radius:2px;
  color:var(--ink);font-size:12px;font-weight:500;letter-spacing:.13em;cursor:pointer;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px));
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:1.5px;width:100%;background:var(--cyan);transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.site-header[data-open] .nav-toggle__bars span:first-child{transform:translateY(2.75px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:last-child{transform:translateY(-2.75px) rotate(-45deg)}
.nav-drawer{display:none}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:clamp(56px,8vw,112px);
  background:linear-gradient(180deg,var(--locker),#04100D);
  border-top:1px solid var(--line);
  color:var(--muted);overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;width:40%;max-width:560px;height:52px;
  background:var(--night);
  clip-path:polygon(0 0,100% 0,0 100%);
  pointer-events:none;
}
.site-footer::after{
  content:"";position:absolute;top:0;right:0;width:45%;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan));
  pointer-events:none;
}
.footer-inner{width:var(--shell);margin-inline:auto;padding:clamp(58px,7vw,92px) 0 0}
.footer-top{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.6fr);
  gap:clamp(28px,4vw,64px);padding-bottom:clamp(28px,4vw,46px);
  border-bottom:1px solid var(--line-soft);
}
.footer-brand__name{font-family:var(--font-title);font-weight:900;font-size:clamp(22px,2.4vw,28px);line-height:1.15;color:var(--ink);letter-spacing:.02em}
.footer-brand__tag{margin-top:10px;font-size:11px;letter-spacing:.18em;color:var(--muted)}
.footer-closing{margin-top:20px;color:var(--gold);font-size:15px;font-weight:700;letter-spacing:.1em}
.footer-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.footer-col__title{font-size:11px;font-weight:500;letter-spacing:.15em;color:var(--cyan);margin-bottom:14px}
.footer-col__list{display:grid;gap:10px}
.footer-col__item{display:block}
.footer-col__link{
  display:inline-block;color:var(--muted);font-size:14px;
  transition:color var(--t) var(--ease),transform var(--t) var(--ease);
}
.footer-col__link:hover,.footer-col__link:focus-visible{color:var(--ink);transform:translateX(4px)}
.footer-contact{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:clamp(16px,2.4vw,32px);padding:clamp(24px,3.4vw,40px) 0;
  border-bottom:1px solid var(--line-soft);
}
.footer-contact__row{display:flex;flex-direction:column;gap:6px}
.footer-contact__label{font-size:11px;letter-spacing:.14em;color:var(--muted)}
.footer-contact__value{font-family:var(--font-num);font-weight:600;font-size:15px;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.footer-contact__value--text{font-family:var(--font-body);font-weight:400;font-size:14px;letter-spacing:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:10px 28px;padding:22px 0 36px;font-size:12.5px;color:var(--muted);
}
.footer-meta{font-family:var(--font-num);letter-spacing:.02em}
.footer-note{max-width:52ch}

/* ---------- sections & type ---------- */
.section{padding-block:clamp(44px,6vw,88px)}
.section--tight{padding-block:clamp(28px,4vw,56px)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 32px;margin-bottom:clamp(22px,3vw,40px)}
.section-title{font-family:var(--font-title);font-weight:900;font-size:clamp(26px,3.6vw,42px);line-height:1.1;letter-spacing:-.01em}
.section-note{font-size:13px;color:var(--muted);max-width:46ch}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:500;letter-spacing:.18em;color:var(--cyan);margin-bottom:12px}
.kicker::before{content:"";width:22px;height:1px;background:var(--cyan);flex:0 0 auto}
.lede{font-size:clamp(16px,1.4vw,18px);line-height:1.7;color:var(--muted);max-width:60ch}
.index-number{
  font-family:var(--font-num);font-weight:200;font-size:clamp(56px,9vw,132px);
  line-height:.9;letter-spacing:-.03em;color:rgba(33,230,193,.28);font-variant-numeric:tabular-nums;
}
.prose{max-width:70ch;font-size:16px;line-height:1.75;color:var(--ink)}
.prose p{margin-bottom:1.1em}
.prose p:last-child{margin-bottom:0}
.prose h2{font-family:var(--font-title);font-weight:900;font-size:clamp(22px,2.6vw,30px);line-height:1.2;margin:1.8em 0 .6em}
.prose h3{font-family:var(--font-title);font-weight:700;font-size:clamp(17px,1.8vw,20px);margin:1.5em 0 .5em}
.prose ul{display:grid;gap:.5em;margin-bottom:1.1em}
.prose ul li{position:relative;padding-left:18px}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:1px;background:var(--cyan)}
.prose a{color:var(--cyan);border-bottom:1px solid var(--line);transition:color var(--t) var(--ease),border-color var(--t) var(--ease)}
.prose a:hover{color:var(--ink);border-color:var(--cyan)}
.prose strong{color:var(--ink);font-weight:700}

/* ---------- panel / tag / divider ---------- */
.panel{
  position:relative;background:var(--panel);border:1px solid var(--line);
  padding:clamp(20px,2.6vw,34px);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
  transition:border-color var(--t) var(--ease),transform var(--t) var(--ease),background var(--t) var(--ease);
}
.panel:hover{border-color:var(--cyan);transform:translateY(-4px)}
.panel__label{display:block;font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--muted);margin-bottom:12px}
.panel__title{font-family:var(--font-title);font-weight:900;font-size:clamp(19px,2.2vw,25px);line-height:1.25;color:var(--ink)}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border:1px solid var(--line);border-radius:999px;
  background:rgba(33,230,193,.05);color:var(--muted);
  font-size:11px;font-weight:500;letter-spacing:.12em;white-space:nowrap;
}
.tag--live{color:var(--red);border-color:rgba(255,61,87,.38);background:rgba(255,61,87,.08)}
.tag--gold{color:var(--gold);border-color:rgba(240,184,90,.38);background:rgba(240,184,90,.08)}
.divider{height:1px;border:0;background:linear-gradient(90deg,var(--line),transparent);margin:clamp(26px,4vw,52px) 0}

/* ---------- grid ---------- */
.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:22px 0 4px;font-size:12px;letter-spacing:.08em;color:var(--muted)}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:10px}
.breadcrumbs__item + .breadcrumbs__item::before{content:"";display:inline-block;width:14px;height:1px;background:var(--line)}
.breadcrumbs a{transition:color var(--t) var(--ease)}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--ink)}

/* ---------- media ---------- */
.media{
  position:relative;overflow:hidden;aspect-ratio:16/9;
  background:linear-gradient(140deg,var(--panel-deep),var(--panel));
  border:1px solid var(--line);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media__img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.media:hover .media__img{transform:scale(1.03)}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  font-size:11.5px;letter-spacing:.08em;color:var(--ink);
  background:linear-gradient(0deg,rgba(6,23,19,.92),transparent);
}

/* ---------- misc utilities ---------- */
.to-top{
  position:fixed;right:clamp(16px,3vw,32px);bottom:clamp(16px,3vw,32px);z-index:90;
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;padding:0;cursor:pointer;
  background:var(--panel);border:1px solid var(--line);color:var(--cyan);
  font-size:15px;line-height:1;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t) var(--ease),border-color var(--t) var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--cyan);background:var(--panel-deep)}
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- tablet ---------- */
@media (max-width:1279px){
  .header-status{display:none}
}
@media (max-width:1119px){
  .header-actions .btn--ghost{display:none}
  .footer-top{grid-template-columns:1fr;gap:34px}
}
@media (max-width:900px){
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-columns{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- mobile ---------- */
@media (max-width:959px){
  :root{--header-h:70px;--shell:min(1280px,100% - 32px);--shell-wide:min(1440px,100% - 32px)}
  body{font-size:15.5px}
  .header-inner{grid-template-columns:1fr auto;gap:14px}
  .nav--brand,.nav--tools,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .nav-drawer{
    display:block;position:absolute;top:100%;left:0;right:0;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    background:linear-gradient(180deg,var(--locker),var(--night));
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:26px 20px 34px;
    visibility:hidden;opacity:0;transform:translateY(-10px);
    transition:opacity 200ms var(--ease),transform 200ms var(--ease),visibility 200ms var(--ease);
  }
  .site-header[data-open] .nav-drawer{visibility:visible;opacity:1;transform:none}
  body.is-nav-open{overflow:hidden}
  .nav-drawer__inner{width:var(--shell);margin-inline:auto}
  .nav-drawer__list{counter-reset:nx;display:grid;gap:0}
  .nav-drawer__item{border-bottom:1px solid var(--line-soft)}
  .nav-drawer__link{
    display:flex;align-items:baseline;gap:14px;padding:15px 2px;
    font-family:var(--font-title);font-weight:900;font-size:clamp(20px,5.4vw,25px);line-height:1.2;
    color:var(--ink);
    transition:color var(--t) var(--ease),transform var(--t) var(--ease);
  }
  .nav-drawer__link::before{
    counter-increment:nx;content:counter(nx,decimal-leading-zero);
    font-family:var(--font-num);font-weight:200;font-size:13px;letter-spacing:.1em;color:var(--muted);flex:0 0 auto;
  }
  .nav-drawer__link:hover,.nav-drawer__link:focus-visible{color:var(--cyan);transform:translateX(4px)}
  .nav-drawer__link[aria-current="page"]{color:var(--cyan)}
  .nav-drawer__actions{display:grid;gap:10px;margin-top:26px}
  .nav-drawer__actions .btn{width:100%}
  .footer-columns{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .brand__tag{display:none}
  .section-head{align-items:flex-start}
  .footer-contact{grid-template-columns:1fr}
}

@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}
  .to-top{transform:none}
}