*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:hidden;scroll-behavior:smooth}
body{margin:0;background:#05070F;color:#EDF1FF;font-family:var(--font-body);font-size:16px;line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased;font-synthesis:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid #28E0C8;outline-offset:3px;border-radius:6px}

:root{
  --ink:#05070F;
  --ink-2:#0B1224;
  --ink-3:#111C36;
  --violet:#7B5CFF;
  --cyan:#28E0C8;
  --orange:#FF7A1A;
  --white:#EDF1FF;
  --silver:#AAB6D3;
  --line:#2A365C;
  --mute:#6C7AA3;
  --frame-w:244px;
  --bar-h:64px;
  --r-lg:28px;
  --r-md:18px;
  --r-pill:999px;
  --ease:cubic-bezier(.32,.72,.24,1);
  --font-display:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SF Mono",Consolas,"Courier New",monospace;
}

@media (min-width:1024px){body{padding-left:var(--frame-w)}}
@media (max-width:1023px){body{padding-top:var(--bar-h)}}

#main-content{scroll-margin-top:84px}
@media (min-width:1024px){#main-content{scroll-margin-top:24px}}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-160%);
  background:#EDF1FF;color:#05070F;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  padding:10px 18px;border-radius:999px;text-decoration:none;
  transition:transform .18s var(--ease);
}
.skip-link:focus-visible{transform:translateY(0)}

/* ---------- frame header ---------- */
.site-frame{
  position:fixed;top:0;left:0;bottom:0;width:var(--frame-w);z-index:90;
  display:flex;flex-direction:column;
  padding:22px 0 16px;
  background:linear-gradient(180deg,#070B16 0%,#0A1122 54%,#05070F 100%);
  border-right:1px solid var(--line);
  overflow-y:auto;overscroll-behavior:contain;
}
.site-frame::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.85;
  background-image:
    radial-gradient(1px 1px at 18% 12%,rgba(237,241,255,.55),transparent 62%),
    radial-gradient(1px 1px at 72% 28%,rgba(40,224,200,.5),transparent 62%),
    radial-gradient(1.5px 1.5px at 38% 62%,rgba(123,92,255,.55),transparent 62%),
    radial-gradient(1px 1px at 84% 78%,rgba(237,241,255,.4),transparent 62%),
    radial-gradient(1px 1px at 26% 88%,rgba(255,122,26,.4),transparent 62%);
}
.frame-track{position:absolute;top:0;right:-1px;bottom:0;width:2px;background:rgba(123,92,255,.14);overflow:hidden}
.frame-track__beam{
  display:block;width:100%;height:100%;transform:scaleY(0);transform-origin:top center;
  background:linear-gradient(180deg,var(--cyan) 0%,var(--violet) 58%,var(--orange) 100%);
  box-shadow:0 0 16px rgba(40,224,200,.55);
  transition:transform .12s linear;
}
.frame-inner{position:relative;z-index:1;display:flex;flex-direction:column;flex:1 1 auto}

.frame-brand{
  display:flex;align-items:center;gap:12px;
  padding:0 20px 20px;text-decoration:none;
}
.frame-brand__mark{
  position:relative;flex:none;width:36px;height:36px;border-radius:12px;
  background:linear-gradient(150deg,#7B5CFF 0%,#2A1F63 72%,#111C36 100%);
  box-shadow:inset 0 0 0 1px rgba(237,241,255,.2),0 6px 18px rgba(123,92,255,.32);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.frame-brand__mark::after{
  content:"";position:absolute;inset:5px;border-radius:8px;
  border-top:1px solid rgba(40,224,200,.75);
  border-right:1px solid rgba(237,241,255,.18);
  transform:rotate(-26deg);
}
.frame-brand__mark i{position:absolute;display:block;border-radius:50%;background:var(--cyan)}
.frame-brand__mark i:nth-child(1){width:4px;height:4px;top:9px;left:9px}
.frame-brand__mark i:nth-child(2){width:6px;height:6px;top:16px;left:18px;background:var(--white)}
.frame-brand__mark i:nth-child(3){width:3px;height:3px;top:23px;left:11px;background:var(--orange)}
.frame-brand:hover .frame-brand__mark{transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(40,224,200,.6),0 10px 22px rgba(40,224,200,.28)}
.frame-brand__name{display:block;font-family:var(--font-display);font-weight:800;font-size:16px;letter-spacing:.06em;color:var(--white);line-height:1.3}
.frame-brand__tag{display:block;margin-top:3px;font-family:var(--font-mono);font-size:9px;letter-spacing:.1em;color:var(--mute);line-height:1.4}

.frame-nav{flex:1 1 auto;padding:18px 12px 0;border-top:1px solid rgba(42,54,92,.75)}
.frame-nav__label{
  margin:0 0 12px;padding:0 8px;
  font-family:var(--font-mono);font-size:9px;letter-spacing:.26em;text-transform:uppercase;color:var(--mute);
}
.frame-nav__list{display:flex;flex-direction:column;gap:2px}
.frame-nav__list a{
  position:relative;display:flex;align-items:baseline;gap:10px;
  padding:10px 12px;border-radius:12px;text-decoration:none;
  color:var(--silver);font-size:14px;line-height:1.45;font-weight:500;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.frame-nav__num{
  flex:none;font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:#5A678C;
  transition:color .18s var(--ease);
}
.frame-nav__text{display:block}
.frame-nav__list a:hover{color:var(--white);background:rgba(123,92,255,.13)}
.frame-nav__list a:hover .frame-nav__num{color:var(--cyan)}
.frame-nav__list a[aria-current="page"]{
  color:var(--white);
  background:linear-gradient(90deg,rgba(123,92,255,.28),rgba(123,92,255,0) 92%);
  box-shadow:inset 2px 0 0 var(--violet);
}
.frame-nav__list a[aria-current="page"] .frame-nav__num{color:var(--orange)}
.frame-nav__list a[aria-current="page"]::after{
  content:"";position:absolute;right:10px;top:50%;width:6px;height:6px;margin-top:-3px;
  border-radius:50%;background:var(--orange);box-shadow:0 0 10px var(--orange);
}

.frame-actions{
  display:flex;flex-direction:column;gap:8px;
  margin-top:14px;padding:16px 16px 0;border-top:1px solid rgba(42,54,92,.75);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-pill);border:1px solid transparent;
  font-family:var(--font-body);font-size:14px;font-weight:700;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{background:var(--violet);color:#FFFFFF;box-shadow:0 10px 26px rgba(123,92,255,.34)}
.btn--primary:hover{background:#8E74FF;transform:translateY(-1px);box-shadow:0 12px 30px rgba(123,92,255,.46)}
.btn--ghost{background:rgba(17,28,54,.55);color:var(--white);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--sun{background:var(--orange);color:#180A02}
.btn--sun:hover{background:#FF9047}

/* ---------- mobile toggle ---------- */
.nav-toggle{
  display:none;position:absolute;top:13px;right:14px;z-index:2;
  align-items:center;gap:9px;padding:9px 14px;border-radius:var(--r-pill);
  background:rgba(17,28,54,.92);border:1px solid var(--line);
  color:var(--white);font-size:12px;font-weight:700;letter-spacing:.06em;cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--violet)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__bars i{display:block;height:2px;border-radius:2px;background:var(--cyan);transition:transform .18s var(--ease),opacity .18s var(--ease)}
.site-frame[data-open] .nav-toggle__bars i:first-child{transform:translateY(3px) rotate(45deg)}
.site-frame[data-open] .nav-toggle__bars i:last-child{transform:translateY(-3px) rotate(-45deg)}

/* ---------- footer ---------- */
.site-foot{
  position:relative;overflow:hidden;
  margin-top:clamp(56px,9vw,132px);
  background:linear-gradient(180deg,#070B16 0%,#0B1224 48%,#05070F 100%);
  border-top:1px solid var(--line);
}
.foot-orbit{
  position:absolute;left:50%;top:-280px;width:min(1500px,170%);height:560px;
  transform:translateX(-50%);border-radius:50%;
  border:1px solid rgba(123,92,255,.2);
  box-shadow:inset 0 0 140px rgba(123,92,255,.16);
  pointer-events:none;
}
.foot-orbit::after{
  content:"";position:absolute;inset:56px 96px auto;height:340px;
  border-radius:50%;border-top:1px dashed rgba(40,224,200,.16);
}
.foot-wrap{
  position:relative;z-index:1;width:100%;max-width:1180px;margin-inline:auto;
  padding:clamp(52px,7vw,92px) clamp(20px,5vw,64px) 30px;
}
.foot-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:clamp(30px,5vw,64px);align-items:start}
.foot-ident__brand{font-family:var(--font-display);font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:.06em;line-height:1.25;color:var(--white)}
.foot-ident__brand::before{
  content:"";display:inline-block;width:9px;height:9px;margin-right:12px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 14px var(--cyan);vertical-align:middle;
}
.foot-ident__summary{margin-top:14px;max-width:42ch;font-size:14px;line-height:1.85;color:var(--silver)}
.foot-ident__stamp{
  display:flex;align-items:center;gap:10px;margin-top:20px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--mute);
}
.foot-ident__dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--violet)}
.foot-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 20px}
.foot-col__title{
  font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.foot-col__list{display:flex;flex-direction:column;gap:2px}
.foot-col__list a{
  display:inline-block;padding:6px 0;font-size:14px;color:var(--silver);text-decoration:none;
  border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease);
}
.foot-col__list a:hover{color:var(--white);border-bottom-color:var(--violet)}
.foot-col__list a[aria-current="page"]{color:var(--orange)}

.foot-contact{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:20px 28px;
  margin-top:clamp(34px,5vw,56px);
  padding:clamp(20px,3vw,30px) clamp(18px,3vw,32px);
  border-radius:24px;
  background:rgba(17,28,54,.7);
  border:1px solid rgba(42,54,92,.9);
  box-shadow:inset 0 1px 0 rgba(237,241,255,.05);
}
.foot-contact__item{min-width:0}
.foot-k{display:block;margin-bottom:7px;font-family:var(--font-mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:#7B89B4}
.foot-v{display:block;font-size:14px;line-height:1.6;color:var(--white);word-break:break-word}
.foot-v--mail{font-family:var(--font-mono);font-size:13px;letter-spacing:.01em;color:var(--cyan)}
.foot-copy{
  display:inline-flex;align-items:center;margin-top:9px;padding:6px 13px;
  border-radius:var(--r-pill);border:1px solid rgba(123,92,255,.45);
  background:rgba(123,92,255,.14);color:#C9C2FF;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.foot-copy:hover{background:rgba(123,92,255,.3);border-color:var(--violet);color:#fff}
.foot-copy__status{display:block;min-height:14px;margin-top:6px;font-family:var(--font-mono);font-size:10px;letter-spacing:.06em;color:var(--cyan)}
.foot-note{
  margin-top:22px;max-width:78ch;font-size:12.5px;line-height:1.8;color:var(--mute);
  padding-left:14px;border-left:2px solid rgba(42,54,92,.95);
}
.foot-base{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:center;
  margin-top:26px;padding-top:22px;border-top:1px solid rgba(42,54,92,.85);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:#6C7AA3;
}
.foot-base__legal{display:flex;align-items:center;gap:10px}
.foot-base__brand{color:var(--silver)}

/* ---------- shared page utilities ---------- */
.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:clamp(20px,5vw,64px)}
.mono{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--silver)}
.mono-mark{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--cyan)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--violet),var(--cyan))}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(17,28,54,.8);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--silver);
}
.tag--live{border-color:rgba(255,122,26,.55);color:var(--orange);background:rgba(255,122,26,.1)}
.tag--data{border-color:rgba(40,224,200,.45);color:var(--cyan);background:rgba(40,224,200,.08)}
.rule{height:1px;border:0;margin:clamp(28px,4vw,48px) 0;background:linear-gradient(90deg,rgba(42,54,92,.95),rgba(42,54,92,0))}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  padding:22px 0 0;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);
}
.crumbs a{color:var(--silver);text-decoration:none;transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--cyan)}
.crumbs__sep{color:#3B487A}
.crumbs [aria-current="page"]{color:var(--orange)}

.media{
  position:relative;display:block;overflow:hidden;isolation:isolate;
  border-radius:var(--r-lg);border:1px solid rgba(42,54,92,.85);
  background:linear-gradient(150deg,#0B1224 0%,#111C36 58%,#080D1B 100%);
}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 78% 16%,rgba(123,92,255,.36),transparent 58%),
    radial-gradient(circle at 16% 84%,rgba(40,224,200,.22),transparent 54%);
  mix-blend-mode:screen;
}
.media img{display:block;width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/9}
.media--tall{aspect-ratio:4/5}
.media--square{aspect-ratio:1/1}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .site-frame{
    inset:0 0 auto 0;width:auto;max-height:100dvh;
    padding:0;border-right:0;border-bottom:1px solid var(--line);
    background:linear-gradient(180deg,rgba(6,9,18,.97),rgba(11,18,36,.97));
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    overflow-y:auto;overscroll-behavior:contain;
  }
  .frame-track{display:none}
  .frame-inner{flex:0 0 auto}
  .frame-brand{padding:13px 96px 13px 17px;gap:10px}
  .frame-brand__mark{width:32px;height:32px;border-radius:11px}
  .frame-brand__name{font-size:15px}
  .frame-brand__tag{font-size:8px;letter-spacing:.08em}
  .frame-nav,.frame-actions{display:none}
  .frame-nav{padding:8px 12px 6px;border-top:1px solid rgba(42,54,92,.75)}
  .frame-actions{padding:12px 14px 18px;margin-top:0;flex-direction:row;flex-wrap:wrap;gap:10px}
  .frame-actions .btn{flex:1 1 150px}
  .site-frame[data-open] .frame-nav{display:flex;flex-direction:column}
  .site-frame[data-open] .frame-actions{display:flex}
  .nav-toggle{display:inline-flex}
  .foot-top{grid-template-columns:1fr}
}
@media (max-width:860px){
  .foot-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-base{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:560px){
  .foot-cols{grid-template-columns:1fr;gap:18px}
  .foot-contact{grid-template-columns:1fr}
  .foot-ident__summary{font-size:13.5px}
  .nav-toggle__label{display:none}
  .nav-toggle{padding:10px 12px}
  .frame-brand{padding-right:76px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .frame-track__beam{transition:none}
}