.page-about{
  overflow-x:hidden;
  background:var(--bos-deep);
  color:var(--bos-text);
  font-family:var(--bos-sans);
}
.page-about *,
.page-about *::before,
.page-about *::after{box-sizing:border-box;}
.page-about img{max-width:100%;height:auto;display:block;}
.page-about summary{cursor:pointer;list-style:none;}
.page-about summary::-webkit-details-marker{display:none;}
.page-about .ab-wrap{
  width:100%;
  max-width:var(--bos-max);
  margin:0 auto;
  padding:0 var(--bos-gutter);
}

/* breadcrumb */
.page-about .ab-crumb{padding:16px 0 0;}
.page-about .ab-crumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--bos-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--bos-mist);
}
.page-about .ab-crumb li+li::before{
  content:"/";
  margin-right:8px;
  color:var(--bos-line);
}
.page-about .ab-crumb a{color:var(--bos-mist);text-decoration:none;}
.page-about .ab-crumb a:hover{color:var(--bos-cyan);}
.page-about .ab-crumb li[aria-current]{color:var(--bos-text);}

/* hero */
.page-about .ab-hero{
  position:relative;
  padding:26px 0 46px;
  overflow:hidden;
  border-bottom:1px solid var(--bos-line);
  background:
    radial-gradient(900px 420px at 88% -18%, rgba(43,224,232,.20), transparent 62%),
    linear-gradient(168deg, var(--bos-mid) 0%, var(--bos-deep) 64%);
}
.page-about .ab-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(42,74,102,.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42,74,102,.42) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.55;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.75), transparent 80%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.75), transparent 80%);
}
.page-about .ab-hero__grid{
  position:relative;
  z-index:1;
  display:grid;
  gap:30px;
}
.page-about .ab-hero__title{
  margin:14px 0 0;
  font-size:clamp(34px,9vw,86px);
  line-height:.98;
  font-weight:900;
  letter-spacing:-.01em;
  color:var(--bos-text);
}
.page-about .ab-hero__text{
  margin:18px 0 0;
  max-width:32em;
  font-size:16px;
  line-height:1.8;
  color:var(--bos-text);
}
.page-about .ab-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.page-about .ab-hero__panel{
  position:relative;
  padding:24px 20px 22px;
  border:1px solid var(--bos-line);
  background:linear-gradient(150deg, rgba(18,46,74,.96), rgba(12,32,56,.92));
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - var(--bos-cut)), calc(100% - var(--bos-cut)) 100%, 0 100%);
}
.page-about .ab-hero__panel::after{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:56px;
  height:3px;
  background:var(--bos-cyan);
}
.page-about .ab-hero__panel-label{
  margin:0;
  font-family:var(--bos-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--bos-mist);
}
.page-about .ab-hero__big{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin:16px 0 0;
}
.page-about .ab-hero__big .bos-mono{
  font-family:var(--bos-mono);
  font-size:clamp(44px,12vw,62px);
  font-weight:700;
  line-height:1;
  color:var(--bos-cyan);
}
.page-about .ab-hero__unit{
  font-size:14px;
  color:var(--bos-mist);
  letter-spacing:.04em;
}
.page-about .ab-hero__facts{
  margin:18px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
  font-size:14px;
  color:var(--bos-text);
}
.page-about .ab-hero__facts li{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(42,74,102,.7);
}
.page-about .ab-hero__facts li:last-child{border-bottom:0;padding-bottom:0;}
.page-about .ab-hero__facts .bos-mono{
  font-family:var(--bos-mono);
  font-size:18px;
  color:var(--bos-cyan-hi);
}
.page-about .ab-live{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:18px 0 0;
  font-family:var(--bos-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--bos-green);
}
.page-about .ab-live::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--bos-green);
  animation:abPulse 2.4s ease-out infinite;
}
@keyframes abPulse{
  0%{box-shadow:0 0 0 0 rgba(59,224,138,.55);}
  70%{box-shadow:0 0 0 9px rgba(59,224,138,0);}
  100%{box-shadow:0 0 0 0 rgba(59,224,138,0);}
}
@media (prefers-reduced-motion: reduce){
  .page-about .ab-live::before{animation:none;}
}

/* chapters */
.page-about .ab-chapter{
  position:relative;
  padding:52px 0;
}
.page-about .ab-chapter--band{
  background:linear-gradient(180deg, rgba(12,32,56,.92), rgba(12,32,56,.7));
  border-block:1px solid var(--bos-line);
}
.page-about .ab-chapter__head{
  display:grid;
  gap:12px;
  margin-bottom:28px;
}
.page-about .ab-chapter__title{
  margin:0;
  font-size:clamp(26px,5.6vw,42px);
  line-height:1.15;
  font-weight:800;
  color:var(--bos-text);
}
.page-about .ab-chapter__lead{
  margin:0;
  max-width:38em;
  font-size:15px;
  line-height:1.75;
  color:var(--bos-mist);
}

/* origin */
.page-about .ab-origin{display:grid;gap:26px;}
.page-about .ab-origin__text p{
  margin:0 0 16px;
  font-size:16px;
  line-height:1.8;
  max-width:36em;
  color:var(--bos-text);
}
.page-about .ab-origin__text p:last-child{margin-bottom:0;}
.page-about .ab-origin__figure{
  margin:0;
  border:1px solid var(--bos-line);
  background:var(--bos-panel);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

/* principles */
.page-about .ab-values{display:grid;gap:16px;}
.page-about .ab-value{
  position:relative;
  padding:22px 20px 20px;
  border:1px solid var(--bos-line);
  background:linear-gradient(160deg, rgba(18,46,74,.92), rgba(7,20,38,.92));
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}
.page-about .ab-value::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:52px;
  height:3px;
  background:var(--bos-cyan);
}
.page-about .ab-value__idx{
  margin:0;
  font-family:var(--bos-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--bos-cyan);
}
.page-about .ab-value__title{
  margin:10px 0 10px;
  font-size:21px;
  line-height:1.35;
  font-weight:700;
  color:var(--bos-text);
}
.page-about .ab-value__text{
  margin:0;
  font-size:15px;
  line-height:1.75;
  color:var(--bos-mist);
}
.page-about .ab-value__more{margin-top:16px;border-top:1px dashed rgba(42,74,102,.9);padding-top:14px;}
.page-about .ab-value__more summary{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--bos-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--bos-cyan);
}
.page-about .ab-value__more summary::after{
  content:"+";
  font-size:15px;
  line-height:1;
}
.page-about .ab-value__more[open] summary::after{content:"−";}
.page-about .ab-value__more p{
  margin:12px 0 0;
  font-size:14px;
  line-height:1.75;
  color:var(--bos-text);
}

/* timeline */
.page-about .ab-timeline__figure{
  margin:0 0 28px;
  border:1px solid var(--bos-line);
  background:var(--bos-panel);
}
.page-about .ab-timeline__wrap{display:grid;gap:24px;}
.page-about .ab-timeline__index{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding-bottom:8px;
  border-bottom:1px solid var(--bos-line);
}
.page-about .ab-timeline__index-label{
  display:none;
  margin:0 0 10px;
  font-family:var(--bos-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--bos-mist);
}
.page-about .ab-timeline__link{
  flex:0 0 auto;
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--bos-line);
  border-radius:var(--bos-radius);
  font-size:13px;
  color:var(--bos-mist);
  text-decoration:none;
  white-space:nowrap;
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.page-about .ab-timeline__link .bos-mono{
  font-family:var(--bos-mono);
  font-size:12px;
  color:var(--bos-cyan);
}
.page-about .ab-timeline__link:hover{color:var(--bos-text);border-color:var(--bos-cyan);}
.page-about .ab-timeline__link[aria-current="true"],
.page-about .ab-timeline__link[aria-current="location"]{
  color:var(--bos-deep);
  background:var(--bos-cyan);
  border-color:var(--bos-cyan);
}
.page-about .ab-timeline__link[aria-current="true"] .bos-mono,
.page-about .ab-timeline__link[aria-current="location"] .bos-mono{color:var(--bos-deep);}
.page-about .ab-timeline__body{display:grid;gap:0;}
.page-about .ab-stage{
  position:relative;
  padding:0 0 26px 22px;
  border-left:1px solid var(--bos-line);
}
.page-about .ab-stage:last-child{padding-bottom:0;}
.page-about .ab-stage::before{
  content:"";
  position:absolute;
  left:-5px;
  top:6px;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--bos-deep);
  border:2px solid var(--bos-cyan);
}
.page-about .ab-stage--current::before{
  border-color:var(--bos-green);
  background:var(--bos-green);
}
.page-about .ab-stage__year{
  margin:0;
  font-family:var(--bos-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--bos-cyan);
}
.page-about .ab-stage--current .ab-stage__year{color:var(--bos-green);}
.page-about .ab-stage__title{
  margin:8px 0 8px;
  font-size:20px;
  line-height:1.35;
  font-weight:700;
  color:var(--bos-text);
}
.page-about .ab-stage__text{
  margin:0;
  font-size:15px;
  line-height:1.78;
  color:var(--bos-mist);
  max-width:40em;
}
.page-about .ab-stage__link{margin:14px 0 0;}
.page-about .ab-stage__link a{
  font-family:var(--bos-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--bos-cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(43,224,232,.5);
  padding-bottom:2px;
}
.page-about .ab-stage__link a:hover{color:var(--bos-cyan-hi);border-bottom-color:var(--bos-cyan-hi);}

/* team */
.page-about .ab-team__band{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:18px;
  margin:0 0 30px;
  padding:26px 20px;
  border:1px solid var(--bos-line);
  background:linear-gradient(118deg, rgba(12,32,56,.97), rgba(18,46,74,.86));
  clip-path:polygon(0 16px, 100% 0, 100% calc(100% - 16px), 0 100%);
}
.page-about .ab-team__stat{display:flex;flex-direction:column;gap:6px;}
.page-about .ab-team__num{
  font-family:var(--bos-mono);
  font-size:clamp(30px,8vw,44px);
  font-weight:700;
  line-height:1;
  color:var(--bos-cyan-hi);
}
.page-about .ab-team__unit{font-size:.5em;color:var(--bos-cyan);margin-left:2px;}
.page-about .ab-team__cap{
  font-size:13px;
  line-height:1.5;
  color:var(--bos-mist);
}
.page-about .ab-team__grid{display:grid;gap:26px;}
.page-about .ab-team__groups{display:grid;gap:10px;align-content:start;}
.page-about .ab-group{
  border:1px solid var(--bos-line);
  background:rgba(7,20,38,.6);
}
.page-about .ab-group summary{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 16px;
  font-size:16px;
  font-weight:600;
  color:var(--bos-text);
}
.page-about .ab-group summary .bos-mono{
  font-family:var(--bos-mono);
  font-size:12px;
  color:var(--bos-cyan);
  letter-spacing:.12em;
}
.page-about .ab-group[open] summary{border-bottom:1px solid var(--bos-line);}
.page-about .ab-group p{
  margin:0;
  padding:14px 16px 16px;
  font-size:14px;
  line-height:1.78;
  color:var(--bos-mist);
}
.page-about .ab-team__figure{
  margin:0;
  border:1px solid var(--bos-line);
  background:var(--bos-panel);
}

/* partners */
.page-about .ab-coop{display:grid;gap:16px;}
.page-about .ab-coop__card{
  position:relative;
  padding:22px 20px;
  border:1px solid var(--bos-line);
  background:linear-gradient(155deg, rgba(18,46,74,.9), rgba(7,20,38,.9));
}
.page-about .ab-coop__card--lg{
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  border-color:rgba(43,224,232,.45);
}
.page-about .ab-coop__card--sm{
  background:linear-gradient(155deg, rgba(12,32,56,.95), rgba(7,20,38,.95));
  border-style:dashed;
}
.page-about .ab-coop__title{
  margin:12px 0 8px;
  font-size:20px;
  line-height:1.35;
  font-weight:700;
  color:var(--bos-text);
}
.page-about .ab-coop__text{
  margin:0;
  font-size:15px;
  line-height:1.75;
  color:var(--bos-mist);
}

/* next */
.page-about .ab-next{border-top:1px solid var(--bos-line);}
.page-about .ab-next__grid{display:grid;gap:28px;}
.page-about .ab-next__text{
  margin:0 0 20px;
  max-width:34em;
  font-size:15px;
  line-height:1.78;
  color:var(--bos-mist);
}
.page-about .ab-next__actions{display:flex;flex-wrap:wrap;gap:12px;}
.page-about .ab-next__list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:0;
}
.page-about .ab-next__list li{
  padding:18px 0;
  border-top:1px solid var(--bos-line);
}
.page-about .ab-next__list li:last-child{border-bottom:1px solid var(--bos-line);}
.page-about .ab-next__num{
  font-family:var(--bos-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--bos-orange);
}
.page-about .ab-next__title{
  margin:8px 0 8px;
  font-size:18px;
  line-height:1.4;
  font-weight:700;
  color:var(--bos-text);
}
.page-about .ab-next__list p{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--bos-mist);
}

/* tablet & desktop */
@media (min-width:760px){
  .page-about .ab-team__band{grid-template-columns:repeat(4, minmax(0,1fr));padding:30px 26px;}
  .page-about .ab-values{grid-template-columns:repeat(3, minmax(0,1fr));}
  .page-about .ab-value:nth-child(2){transform:translateY(14px);}
  .page-about .ab-values{padding-bottom:16px;}
  .page-about .ab-coop{grid-template-columns:repeat(2, minmax(0,1fr));align-items:start;}
}

@media (min-width:900px){
  .page-about .ab-crumb{padding-top:20px;}
  .page-about .ab-hero{padding:34px 0 64px;}
  .page-about .ab-hero__grid{grid-template-columns:7fr 5fr;gap:40px;align-items:end;}
  .page-about .ab-chapter{padding:68px 0;}
  .page-about .ab-chapter__head{margin-bottom:36px;}
  .page-about .ab-chapter__lead{font-size:16px;}
  .page-about .ab-origin{grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
  .page-about .ab-team__grid{grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
  .page-about .ab-next__grid{grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
  .page-about .ab-coop{grid-template-columns:repeat(12, minmax(0,1fr));gap:18px;}
  .page-about .ab-coop__card--lg{grid-column:span 5;padding:28px 24px;}
  .page-about .ab-coop__card{grid-column:span 4;}
  .page-about .ab-coop__card--sm{grid-column:span 3;}
  .page-about .ab-coop__card{min-height:100%;}
}

@media (min-width:960px){
  .page-about .ab-timeline__wrap{
    grid-template-columns:220px minmax(0,1fr);
    gap:44px;
    align-items:start;
  }
  .page-about .ab-timeline__index{
    flex-direction:column;
    gap:4px;
    overflow:visible;
    padding:0 0 0 0;
    border-bottom:0;
    position:sticky;
    top:calc(var(--bos-hdr-h) + 24px);
    align-self:start;
  }
  .page-about .ab-timeline__index-label{display:block;}
  .page-about .ab-timeline__link{
    border:0;
    border-left:2px solid var(--bos-line);
    border-radius:0;
    padding:10px 0 10px 14px;
    background:transparent;
  }
  .page-about .ab-timeline__link:hover{border-left-color:var(--bos-cyan);}
  .page-about .ab-timeline__link[aria-current="true"],
  .page-about .ab-timeline__link[aria-current="location"]{
    background:transparent;
    color:var(--bos-text);
    border-left:2px solid var(--bos-green);
  }
  .page-about .ab-timeline__link[aria-current="true"] .bos-mono,
  .page-about .ab-timeline__link[aria-current="location"] .bos-mono{color:var(--bos-green);}
  .page-about .ab-stage{padding-left:26px;}
}

@media (min-width:1200px){
  .page-about .ab-hero__grid{grid-template-columns:7fr 5fr;gap:56px;}
  .page-about .ab-chapter{padding:80px 0;}
}
<<<END>>>