.oi-story{background:#06100d;color:#f2f3f0;padding:96px 0 104px;border-top:1px solid rgba(185,255,203,.08);overflow:hidden}
.oi-story *{box-sizing:border-box}
.oi-story__inner{width:min(calc(100% - 80px),1440px);margin:0 auto}
.oi-story__head{max-width:900px;margin-bottom:64px}
.oi-story__eyebrow{margin:0 0 18px;color:#8ff5c4;font-size:11px;line-height:1.4;letter-spacing:.18em;font-weight:600}
.oi-story__head h2{margin:0;font-size:clamp(44px,5vw,70px);line-height:1.02;letter-spacing:-.05em;font-weight:500}
.oi-story__head h2 span{display:block;color:rgba(242,243,240,.42)}
.oi-story__head h2 strong{display:block;color:#f2f3f0;font-weight:650}
.oi-story__lead{max-width:720px;margin:28px 0 0;font-size:17px;line-height:1.8;color:rgba(242,243,240,.58)}
.oi-story__origin{display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);gap:56px;align-items:center;padding:42px 0 52px;border-top:1px solid rgba(185,255,203,.14);border-bottom:1px solid rgba(185,255,203,.14)}
.oi-story__number{display:block;margin-bottom:22px;color:#8ff5c4;font-size:10px;letter-spacing:.14em;font-weight:700}
.oi-story h3{margin:0 0 20px;font-size:clamp(28px,3vw,42px);line-height:1.12;letter-spacing:-.035em;font-weight:600}
.oi-story__origin-copy p,.oi-story__card p{max-width:720px;margin:0 0 15px;color:rgba(242,243,240,.58);font-size:15px;line-height:1.8}
.oi-story__visual{margin:0;min-height:360px;border:1px solid rgba(185,255,203,.16);background:radial-gradient(circle at 60% 45%,rgba(30,118,79,.23),transparent 60%),#07100d;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.oi-story__visual img{width:100%;height:auto;display:block;filter:saturate(.9) brightness(.95)}
.oi-story__visual figcaption{padding:10px 16px 14px;color:rgba(185,255,203,.42);font-size:10px;letter-spacing:.08em}
.oi-story__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:48px 0}
.oi-story__card{min-height:390px;padding:28px;border:1px solid rgba(185,255,203,.13);background:rgba(255,255,255,.015)}
.oi-story__card--accent{background:radial-gradient(circle at 15% 0%,rgba(143,245,196,.08),transparent 42%),rgba(255,255,255,.015);border-color:rgba(143,245,196,.3)}
.oi-story__card small{display:block;margin-top:26px;padding-top:16px;border-top:1px solid rgba(255,255,255,.07);color:rgba(242,243,240,.34);font-size:11px;line-height:1.7}
.oi-story__big{color:#8ff5c4!important;font-size:28px!important;font-weight:600;letter-spacing:-.03em}
.oi-story__flow{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:9px;color:rgba(185,255,203,.58);font-size:10px;letter-spacing:.08em;text-transform:uppercase}
.oi-story__flow i{font-style:normal;color:rgba(255,255,255,.2)}
.oi-story__personal{margin-top:18px;padding:52px 0;border-top:1px solid rgba(185,255,203,.14)}
.oi-story__personal h3{max-width:820px}
.oi-story__personal h3 strong{color:#8ff5c4}
.oi-story__personal>p:not(.oi-story__eyebrow){max-width:860px;color:rgba(242,243,240,.62);font-size:17px;line-height:1.8}
.oi-story__signals{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.oi-story__signals span{padding:8px 13px;border:1px solid rgba(185,255,203,.15);border-radius:999px;color:rgba(242,243,240,.62);font-size:12px}
.oi-story__close{padding:62px 0 8px;border-top:1px solid rgba(185,255,203,.14)}
.oi-story__proof{margin:0;max-width:900px;font-size:clamp(38px,5vw,66px);line-height:1;letter-spacing:-.055em;font-weight:560;color:#f2f3f0}
.oi-story__proof-zh{max-width:760px;margin:26px 0 0;color:rgba(242,243,240,.52);font-size:15px;line-height:1.8}
.oi-story__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.oi-story__actions a{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:58px;padding:0 24px;border-radius:999px;text-decoration:none;font-size:14px;font-weight:600}
.oi-story__primary{background:#8ff5c4;color:#06100d}
.oi-story__secondary{border:1px solid rgba(185,255,203,.24);color:#f2f3f0}
@media(max-width:900px){
  .oi-story{padding:68px 0 72px}
  .oi-story__inner{width:calc(100% - 40px)}
  .oi-story__head{margin-bottom:46px}
  .oi-story__head h2{font-size:clamp(38px,11vw,52px)}
  .oi-story__lead{font-size:15px}
  .oi-story__origin{grid-template-columns:1fr;gap:28px;padding:34px 0 40px}
  .oi-story__visual{min-height:0}
  .oi-story__grid{grid-template-columns:1fr;padding:34px 0}
  .oi-story__card{min-height:0;padding:24px}
  .oi-story__personal{padding:42px 0}
  .oi-story__personal>p:not(.oi-story__eyebrow){font-size:15px}
  .oi-story__proof{font-size:clamp(38px,10vw,52px)}
  .oi-story__actions{flex-direction:column}
  .oi-story__actions a{width:100%}
}

/* OI_CARD_TITLE_SCALE_V1 */
.oi-story__card h3{
  font-size:clamp(26px,2.15vw,32px)!important;
  line-height:1.18!important;
  letter-spacing:-.025em!important;
}
.oi-story__card .oi-story__big{font-size:24px!important;}
@media(max-width:900px){
  .oi-story__card h3{font-size:clamp(24px,7vw,28px)!important;}
  .oi-story__card .oi-story__big{font-size:22px!important;}
}

/* OI_TECH14_STYLE_V1 */
.oi-story__tech-stack{display:block!important;padding:36px 0!important;border-top:1px solid rgba(255,255,255,.09)!important}
.oi-story__tech-unit{display:grid!important;grid-template-columns:110px minmax(250px,.82fr) minmax(0,1.18fr)!important;gap:32px!important;min-height:0!important;padding:38px 0!important;border:0!important;border-bottom:1px solid rgba(255,255,255,.09)!important;background:transparent!important;position:relative!important}
.oi-story__tech-unit:before{content:"";position:absolute;left:0;top:-1px;width:0;height:1px;background:#8ff5c4;transition:width .28s ease}
.oi-story__tech-unit:hover:before{width:100%}
.oi-story__tech-id{display:flex;flex-direction:column;gap:7px}.oi-story__tech-id span{font-size:25px;color:#f2f3f0;font-weight:450;letter-spacing:-.03em}.oi-story__tech-id em{font-style:normal;color:rgba(242,243,240,.42);font-size:9px;font-weight:650;letter-spacing:.14em}
.oi-story__tech-title h3{margin:0!important;font-size:clamp(24px,2.2vw,32px)!important;line-height:1.08!important;letter-spacing:-.035em!important;font-weight:560!important}.oi-story__tech-title p{margin:9px 0 0!important;color:rgba(242,243,240,.58)!important;font-size:13px!important;line-height:1.5!important}
.oi-story__tech-body p{margin:0!important;color:rgba(242,243,240,.66)!important;font-size:14px!important;line-height:1.75!important;max-width:700px!important}.oi-story__tech-chain{margin-top:18px;padding:13px 15px;border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.015);font-size:12px;line-height:1.6;color:#f2f3f0}.oi-story__tech-body ul{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0;padding:0;list-style:none}.oi-story__tech-body li{padding:6px 9px;border:1px solid rgba(255,255,255,.09);border-radius:999px;color:rgba(242,243,240,.42);font-size:10px}.oi-story__tech-body small{display:block;margin-top:16px;padding:0;border:0;color:rgba(242,243,240,.34);font-size:10px;line-height:1.65}
.oi-story__tech-unit--oi .oi-story__tech-id span,.oi-story__tech-unit--oi .oi-story__tech-chain{color:#d9c3ff}
@media(max-width:900px){.oi-story__tech-stack{padding:24px 0!important}.oi-story__tech-unit{grid-template-columns:1fr!important;gap:12px!important;padding:30px 0!important}.oi-story__tech-id{flex-direction:row;align-items:baseline;gap:10px}.oi-story__tech-id span{font-size:22px}.oi-story__tech-title h3{font-size:26px!important}.oi-story__tech-title p{font-size:12px!important}.oi-story__tech-body p{font-size:13px!important}.oi-story__tech-chain{font-size:11px;overflow-wrap:anywhere}}


/* OI_IRON_MAN_SOURCE_V1 */
.oi-story__source{margin:14px 0 0;color:rgba(242,243,240,.36);font-size:10px;line-height:1.6;letter-spacing:.04em}.oi-story__source cite{font-style:italic;color:rgba(242,243,240,.5)}
@media(max-width:900px){.oi-story__source{font-size:9px;line-height:1.55}}
/* OI_PROOF_IMAGE_LAYOUT_V1 */
.oi-story__close{display:grid!important;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr)!important;gap:64px!important;align-items:center!important;padding:62px 0 22px!important}
.oi-story__proof-copy{min-width:0}
.oi-story__proof{max-width:760px!important;font-size:clamp(42px,4.8vw,68px)!important;line-height:.98!important}
.oi-story__proof-zh{max-width:700px!important}
.oi-story__proof-art{margin:0;min-width:0;display:flex;justify-content:flex-end;align-items:center}
.oi-story__proof-art img{display:block;width:min(100%,620px);height:auto;max-height:680px;object-fit:contain;border:1px solid rgba(185,255,203,.10);background:#07100e}
@media(max-width:900px){
  .oi-story__close{grid-template-columns:1fr!important;gap:34px!important;padding:48px 0 8px!important}
  .oi-story__proof{font-size:clamp(38px,10vw,52px)!important}
  .oi-story__proof-art{justify-content:center}
  .oi-story__proof-art img{width:100%;max-width:560px;max-height:none}
}


/* 2026-09-19 · Multiscale Biology homepage visual */
.oi-story__multiscale-visual{
  min-height:390px;padding:24px;
  justify-content:center;gap:8px;
  background:
    radial-gradient(circle at 20% 12%,rgba(88,203,255,.13),transparent 34%),
    radial-gradient(circle at 80% 80%,rgba(143,245,196,.12),transparent 38%),
    #06100d;
}
.oi-story__scale-node{
  display:grid;grid-template-columns:34px minmax(0,1fr);
  grid-template-areas:"n b" "n e";
  column-gap:12px;align-items:center;
  padding:12px 14px;border:1px solid rgba(185,255,203,.13);
  border-radius:12px;background:rgba(255,255,255,.018);
}
.oi-story__scale-node span{grid-area:n;color:#6ea4b3;font:600 10px/1 ui-monospace,monospace}
.oi-story__scale-node b{grid-area:b;color:#e5eee9;font-size:12px;letter-spacing:.08em}
.oi-story__scale-node em{grid-area:e;color:rgba(242,243,240,.42);font-size:10px;font-style:normal}
.oi-story__multiscale-visual>i{align-self:center;color:rgba(143,245,196,.35);font-style:normal;font-size:13px}
.oi-story__scale-node--reality{border-color:rgba(143,245,196,.28);background:rgba(143,245,196,.035)}

@media(max-width:900px){
  .oi-story__multiscale-visual{min-height:0;padding:18px}
  .oi-story__scale-node{padding:10px 12px}
}