:root {
    --lab-img: url("assets/img/83b882a0ca.jpg");
    --bg: #FBFCFE;
    --bg-soft: #F2F5F9;
    --bg-dark: #02060D;
    --tile-dark: #041226;
    --tile-dim: #06172E;
    --ink: #10131A;
    --ink-inv: #F4F7FB;
    --gray: #5D6470;
    --gray-inv: #9FB0C6;
    --navy: #00468B;
    --navy-bright: #71A9E8;
    --hair: #D4DAE2;
    --hair-inv: #12294A;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro KR",
                 "Apple SD Gothic Neo", "Helvetica Neue", "Segoe UI", "Malgun Gothic", "Noto Sans KR", sans-serif;
    font-size: 17px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.012em;
  }
  a { color: inherit; text-decoration: none; }
  h1, h2, h3 { margin: 0; text-wrap: balance; word-break: keep-all; }
  p { margin: 0; }
  img { max-width: 100%; }
  .wrap { max-width: 1320px; margin: 0 auto; padding-inline: clamp(16px, 3vw, 32px); }

  /* ---------- Nav ---------- */
  header.site {
    position: sticky; top: env(safe-area-inset-top, 0px); z-index: 100;
    background: rgba(2, 20, 44, 0.82);
    backdrop-filter: saturate(180%) blur(20px);
    color: #E8EEF6;
  }
  .nav {
    max-width: 1320px; margin: 0 auto; padding-inline: clamp(16px, 3vw, 32px);
    height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  }
  .nav .logo { font-size: 23px; font-weight: 700; letter-spacing: 0.01em; }
  .nav .logo em { font-style: normal; color: var(--navy-bright); }
  nav.menu { display: flex; gap: 30px; }
  nav.menu a { font-size: 17px; font-weight: 500; color: rgba(232,238,246,0.85); transition: color .2s; white-space: nowrap; }
  nav.menu a:hover { color: #fff; }
  main > section[hidden] { display: none !important; }
  nav.menu a.active { color: #fff; box-shadow: inset 0 -2px 0 var(--navy-bright); padding-bottom: 3px; }

  nav.menu { align-items: center; }
  .dd { position: relative; }
  .dd-btn { background: none; border: 0; padding: 0; font: inherit; font-size: 17px; font-weight: 500; color: rgba(232,238,246,0.85); cursor: pointer; white-space: nowrap; transition: color .2s; }
  .dd-btn::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-3px) rotate(45deg); }
  .dd-btn:hover, .dd.active .dd-btn { color: #fff; }
  .dd.active .dd-btn { box-shadow: inset 0 -2px 0 var(--navy-bright); padding-bottom: 3px; }
  .dd-menu { position: absolute; top: calc(100% + 14px); left: -16px; min-width: 190px; display: none; flex-direction: column;
    background: rgba(2, 20, 44, 0.97); backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 8px; box-shadow: 0 12px 30px rgba(0,0,0,0.35); }
  .dd-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -16px; height: 16px; }
  .dd-menu a { padding: 10px 12px; border-radius: 8px; font-size: 15px; }
  .dd-menu a:hover { background: rgba(255,255,255,0.06); }
  nav.menu .dd-menu a.active { box-shadow: none; padding-bottom: 10px; background: rgba(113,169,232,0.16); }
  .dd:hover .dd-menu, .dd.open .dd-menu { display: flex; }
  @media (max-width: 880px) {
    nav.menu { align-items: stretch; background: #03162F !important; box-shadow: 0 16px 30px rgba(0,0,0,0.35); }
    .dd-btn { width: 100%; text-align: left; padding: 12px 0; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .dd.active .dd-btn { box-shadow: none; padding-bottom: 12px; }
    .dd-btn::after { display: none; }
    .dd-menu, .dd:hover .dd-menu { position: static; display: flex; min-width: 0; background: none; border: 0; box-shadow: none; padding: 0 0 0 16px; backdrop-filter: none; }
    .dd-menu::before { display: none; }
    .dd-menu a { border-radius: 0; font-size: 15px; }
    nav.menu .dd-menu a.active { padding-bottom: 12px; }
  }

  .menu-btn {
    display: none; background: none; border: 0; color: #E8EEF6;
    font: inherit; font-size: 13px; padding: 8px 0; cursor: pointer;
  }
  @media (max-width: 880px) {
    nav.menu {
      display: none; position: absolute; top: 48px; left: 0; right: 0;
      flex-direction: column; gap: 0;
      background: rgba(2, 20, 44, 0.97); backdrop-filter: blur(20px);
      padding: 12px clamp(16px, 4vw, 22px) 20px;
    }
    nav.menu.open { display: flex; }
    nav.menu a { padding: 12px 0; font-size: 17px; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .menu-btn { display: block; }
  }

  /* ---------- Full-bleed hero ---------- */
  .hero-full {
    position: relative; min-height: min(88vh, 900px); overflow: hidden;
    display: grid; place-items: center; text-align: center;
    background: #041226; color: #F4F7FB;
  }
  .hero-full .hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; filter: saturate(0.95) brightness(1.02) contrast(1.08); transform: scale(1.02); }
  .hero-full::after {
    content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: radial-gradient(ellipse 42% 27% at center 41%, rgba(4,18,38,0.72), rgba(4,18,38,0.34) 60%, rgba(4,18,38,0) 100%),
                linear-gradient(180deg, rgba(4,18,38,0.45), rgba(0,40,90,0.08) 22%, rgba(0,40,90,0) 60%, rgba(4,18,38,0.55));
  }
  .hero-ov { position: relative; z-index: 2; padding: 96px 22px 150px; max-width: 900px; transform: translateY(2vh); }
  .hero-ov > * { opacity: 0; }
  .hero-ov.play > * { animation: heroIn 2.2s cubic-bezier(.22,.61,.36,1) both; }
  .hero-ov.play > *:nth-child(1) { animation-delay: .15s; }
  .hero-ov.play > *:nth-child(2) { animation-delay: .45s; }
  .hero-ov.play > *:nth-child(3) { animation-delay: 3.2s; }
  @keyframes heroIn {
    0%   { opacity: 0; transform: scale(0.9); filter: blur(8px); }
    100% { opacity: 1; transform: scale(1); filter: blur(0); }
  }
  .hero-ov.play > h1 { animation: none; opacity: 1; }
  .hero-ov h1 .ch { display: inline-block; opacity: 0; }
  .hero-ov.play h1 .ch { animation: heroCh 2.6s cubic-bezier(.22,.61,.36,1) both; animation-delay: calc(0.5s + var(--i) * 0.14s); will-change: transform, opacity, filter; }
  @keyframes heroCh {
    0%   { opacity: 0; transform: scale(0.82) translateY(6px); filter: blur(8px); }
    100% { opacity: 1; transform: scale(1) translateY(0); filter: blur(0); }
  }
  .hero-ov.play h1 .sub-en { animation: heroSub 2.4s cubic-bezier(.22,.61,.36,1) 2.2s both; }
  @keyframes heroSub { 0% { opacity: 0; letter-spacing: 0.9em; } 100% { opacity: 1; letter-spacing: var(--subls, 0.34em); } }
  .hero-ov .kicker {
    display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
    font-size: clamp(16px, 2vw, 22px); font-weight: 600; color: #FFFFFF; margin-bottom: 20px; text-shadow: 0 2px 14px rgba(2,10,24,0.85);
  }
  .hero-ov .kicker img { height: 32px; width: auto; background: #fff; border-radius: 7px; padding: 2px 3px; }
  .hero-ov h1 {
    font-size: clamp(40px, 6.8vw, 82px); font-weight: 700; line-height: 1.06;
    letter-spacing: -0.022em; color: #F7FAFF;
    text-shadow: 0 4px 40px rgba(2, 10, 24, 0.7);
  }
  .hero-ov .sub-en {
    display: block; margin-top: 18px; font-size: clamp(12px, 1.5vw, 16px);
    font-weight: 600; letter-spacing: var(--subls, 0.34em); text-transform: uppercase; color: #FFFFFF; opacity: 0.92; text-shadow: 0 2px 12px rgba(2,10,24,0.9);
  }
  .hero-ov .sub {
    margin-top: 22px; font-size: clamp(17px, 2.2vw, 23px); font-weight: 500; color: #C4D3E8;
  }
  .hero-ov .links { margin-top: 30px; }
  .hero-ov .links a { color: #FFFFFF; font-weight: 600; text-shadow: 0 2px 12px rgba(2,10,24,0.9); }
  .hero-ov .links a:hover { color: #CFEAFF; }
  .hero-scroll {
    position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 2;
    width: 22px; height: 36px; border: 2px solid rgba(156,200,255,0.55); border-radius: 12px;
  }
  .hero-scroll::after {
    content: ""; position: absolute; left: 50%; top: 7px; width: 4px; height: 8px;
    margin-left: -2px; border-radius: 2px; background: #9CC8FF;
    animation: heroScroll 2s ease-in-out infinite;
  }
  @media (max-height: 720px) {
    .hero-ov { transform: translateY(-3vh); padding: 72px 22px 90px; }
  }
  @media (max-width: 480px) {
    .hero-ov .sub-en { letter-spacing: 0.16em; }
    .hero-ov .kicker { font-size: 13.5px; letter-spacing: -0.02em; white-space: nowrap; }
    .hero-ov .kicker img { height: 26px; }
    .hero-ov .links { gap: 20px; }
  }
  @keyframes heroScroll { 0%,100% { transform: translateY(0); opacity: 1; } 55% { transform: translateY(10px); opacity: 0.2; } }
  @media (prefers-reduced-motion: reduce) and (max-width: 0px) { .hero-scroll::after { animation: none; } }

  /* ---------- Tiles ---------- */
  .tile { padding-block: clamp(72px, 11vw, 130px); text-align: center; overflow: hidden; }
  .tile.dark { background: var(--tile-dark); color: var(--ink-inv); }
  .tile.dim  { background: #06172E; color: var(--ink-inv); }
  .tile .kicker { font-size: clamp(15px, 1.8vw, 19px); font-weight: 600; color: var(--navy); margin-bottom: 10px; }
  .tile.dark .kicker, .tile.dim .kicker { color: var(--navy-bright); }
  .tile h2, .tile h1 {
    font-size: clamp(38px, 7vw, 80px);
    font-weight: 700; line-height: 1.06; letter-spacing: -0.02em;
  }
  .tile .sub {
    font-size: clamp(21px, 2.9vw, 32px); font-weight: 500;
    color: var(--gray); margin-top: 16px; max-width: 34em; margin-inline: auto;
  }
  .tile.dark .sub, .tile.dim .sub { color: var(--gray-inv); }
  .links { display: flex; gap: 34px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
  .links a { font-size: clamp(17px, 2vw, 21px); color: var(--navy); }
  .tile.dark .links a, .tile.dim .links a { color: var(--navy-bright); }
  .links a::after { content: " ›"; }
  .links a:hover { text-decoration: underline; }

  .grad-1 {
    background: linear-gradient(94deg, #6FB2FF, #9CC8FF 45%, #3E7DD6 80%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .grad-n {
    background: linear-gradient(94deg, #00468B, #2F74C0 55%, #0B3A73);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .tile .sub.sub-desc.eq-desc { color: #3A4250; opacity: 1; }
  .tile .sub.sub-desc { font-size: clamp(15px, 1.7vw, 18px); margin-top: 6px; opacity: 0.85; }
  .page-band { position: relative; overflow: hidden; text-align: center; color: var(--ink-inv);
    background: radial-gradient(120% 90% at 50% 0%, #0B3A73 0%, #062349 45%, #041226 100%);
    padding-block: clamp(64px, 9vw, 112px) clamp(56px, 8vw, 96px); }
  .page-band::after { content: ""; position: absolute; inset: auto 0 0 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(113,169,232,0.45), transparent); }
  .page-band h1 { font-size: clamp(40px, 6.4vw, 78px); font-weight: 700; line-height: 1.06; letter-spacing: -0.02em; margin: 0; word-break: keep-all; }
  .page-band .pb-sub { margin: 16px auto 0; font-size: clamp(21px, 2.9vw, 32px); font-weight: 500; color: var(--gray-inv); }
  .page-band + section.tile { padding-top: clamp(48px, 7vw, 84px); }
  .page-band + section.tile .mem-wrap, .page-band + section.tile .acts, .page-band + section.tile .gal-list { margin-top: 0; }
  section[data-page="about"].tile { min-height: 32vh; }
  .ab-block { max-width: 1100px; margin: 0 auto; text-align: left; padding-block: 8px 44px; }
  .ab-block + .ab-block { border-top: 1px solid var(--hair); padding-top: 44px; }
  .tile h2.h2-sm { font-size: clamp(26px, 3vw, 36px); }
  .ab-h { font-size: clamp(28px, 3.4vw, 40px); font-weight: 700; letter-spacing: -0.015em; line-height: 1.15; margin: 0 0 22px; }
  .ab-p { font-size: clamp(16.5px, 1.6vw, 19px); line-height: 1.85; color: var(--ink); margin: 0; word-break: keep-all; }
  .ab-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
  .ab-list li { position: relative; padding: 14px 18px 14px 40px; font-size: clamp(16.5px, 1.6vw, 19px); line-height: 1.5; color: var(--ink); background: var(--bg-soft); border: 0.5px solid var(--hair); border-radius: 12px; word-break: keep-all; }
  .ab-list li::before { content: ""; position: absolute; left: 18px; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: 50%; background: linear-gradient(135deg, #00468B, #71A9E8); }

  /* light variants for former dark sections */
  .tile:not(.dark) .act { border-top-color: var(--hair); }
  .tile:not(.dark) .act:last-child { border-bottom-color: var(--hair); }
  .tile:not(.dark) .act .y { color: var(--navy); }
  .tile:not(.dark) .act ul { color: var(--ink); }
  .tile:not(.dark) .cc .k { color: var(--navy); }
  .tile:not(.dark) .am-card { background: #fff; border-color: var(--hair); }
  .tile:not(.dark) .am-card h3 { color: var(--ink); }
  .tile:not(.dark) .am-card .am-head h3 { font-size: 17px; font-weight: 600; color: var(--gray); letter-spacing: -0.01em; line-height: 1.5; }
  .grad-2 {
    background: linear-gradient(94deg, #5EA2FF, #56C8E8 55%, #8FD9FF);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }

  /* chips */
  .sw-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px 14px; margin-top: 18px; }
  .sw-logo { background: #fff; border: 1px solid #E3E8EF; border-radius: 16px; overflow: hidden; display: grid; place-items: center; }
  .sw-logo img { width: 100%; aspect-ratio: 6 / 5; object-fit: contain; display: block; }
  @media (max-width: 640px) { .sw-grid { grid-template-columns: repeat(2, 1fr); } }
  .sw-item { margin: 0; display: grid; gap: 8px; text-align: center; }
  .sw-item figcaption { font-size: 13.5px; font-weight: 500; color: #5A6270; line-height: 1.35; min-height: 1.35em; }
  .eq-label { margin: 48px 0 0; font-size: 19px; font-weight: 700; letter-spacing: 0.01em; color: #5A6270; }
  .eq-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 190px), 1fr)); gap: 18px 14px; margin-top: 18px; text-align: center; }
  .eq-grid figure { margin: 0; display: grid; gap: 8px; }
  .eq-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; border: 1px solid var(--hair); display: block; transition: transform .25s ease; }
  .eq-grid figure:hover img { transform: translateY(-3px); }
  .eq-grid figcaption { font-size: 13.5px; font-weight: 500; color: #5A6270; line-height: 1.35; }
  @media (max-width: 480px) { .eq-grid { grid-template-columns: repeat(2, 1fr); } }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 26px; }
  .chips span {
    font-size: 13px; font-weight: 500; padding: 6px 14px; border-radius: 999px;
    background: rgba(0,70,139,0.07); color: #2A4A75;
  }
  .chips.chip-title { justify-content: flex-start; margin: 0 0 18px; }
  .chips.chip-title span { font-size: 20px; font-weight: 600; padding: 9px 22px; }
  .rob-card h3.rc-title { font-size: 17px; font-weight: 600; color: var(--gray); letter-spacing: -0.01em; margin: 0; }
  .tile.dark .chips span, .tile.dim .chips span { background: rgba(113,169,232,0.14); color: #AFC9E8; }

  /* photos */
  .hero-stage {
    width: min(1180px, 100%); aspect-ratio: 16 / 9; margin: 46px auto 0;
    border-radius: 22px; overflow: hidden; box-shadow: 0 24px 60px rgba(0, 30, 70, 0.18);
    background: #02060F;
  }
  .hero-stage canvas { width: 100%; height: 100%; display: block; }
  @keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
  .shot-row figure:nth-child(1) svg { animation: floaty 6s ease-in-out infinite; }
  .shot-row figure:nth-child(2) svg { animation: floaty 7s ease-in-out 0.8s infinite; }
  .shot-row figure:nth-child(3) svg { animation: floaty 6.5s ease-in-out 1.6s infinite; }
  @media (prefers-reduced-motion: reduce) and (max-width: 0px) { .shot-row svg { animation: none !important; } }
  .hero-shot {
    display: block; width: min(1180px, 100%); margin: 46px auto 0;
    border-radius: 22px; box-shadow: 0 24px 60px rgba(0, 30, 70, 0.18);
  }
  .shot-row { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 42px; }
  .shot-row figure { margin: 0; display: grid; gap: 9px; }
  .shot-row img, .shot-row svg { width: 390px; max-width: 100%; border-radius: 16px; display: block; height: auto; }
  .shot-row img { border: 1px solid var(--hair); }
  .shot-row figcaption { font-size: 12.5px; color: var(--gray); }
  .tile.dark .shot-row figcaption, .tile.dim .shot-row figcaption { color: var(--gray-inv); }

  /* ---------- 2-up grid ---------- */
  .shot-row.four img, .shot-row.four svg { width: 200px; aspect-ratio: 4 / 3; object-fit: cover; }
  .am-grid { display: grid; grid-template-columns: 1fr; gap: 18px; margin-top: 44px; text-align: left; }
  .am-card { background: rgba(255,255,255,0.045); border: 1px solid rgba(255,255,255,0.09); border-radius: 22px; padding: clamp(18px, 2.4vw, 26px); display: flex; flex-direction: column; gap: 12px; min-width: 0; }
  .am-full { grid-column: 1 / -1; }
  .am-head { display: flex; align-items: center; gap: 12px; }
  .am-no { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--navy-bright); border: 1px solid rgba(113,169,232,0.45); border-radius: 999px; padding: 3px 10px; }
  .am-card h3 { font-size: clamp(17px, 1.8vw, 21px); font-weight: 700; color: var(--ink-inv); letter-spacing: -0.01em; word-break: keep-all; }
  .am-desc { font-size: 14px; color: var(--gray-inv); line-height: 1.55; word-break: keep-all; }
  .am-img { border-radius: 14px; overflow: hidden; }
  .am-img.white { background: #fff; }
  .am-img img { width: 100%; height: auto; display: block; }
  .am-full > .am-img.white { padding: 10px; }
  .am-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .am-pair img { width: 100%; height: clamp(180px, 26vw, 320px); object-fit: cover; border-radius: 14px; display: block; }
  .am-trio { display: grid; grid-template-columns: 0.9fr 1.55fr 1.15fr; gap: 12px; }
  .am-trio .am-img { height: clamp(180px, 22vw, 280px); }
  .am-trio .am-img img { height: 100%; object-fit: contain; }
  .am-trio .am-img.photo img { object-fit: cover; }
  @media (max-width: 860px) {
    .am-trio { grid-template-columns: 1fr 1fr; }
    .am-trio .am-img.photo { grid-column: 1 / -1; }
  }
  .rob-card { width: min(1256px, 100%); margin: 0 auto; background: #fff; border: 1px solid var(--hair); border-radius: 22px; padding: clamp(18px, 2.4vw, 26px); display: flex; flex-direction: column; gap: 16px; text-align: left; }
  .rob-card h3 { font-size: clamp(17px, 1.8vw, 21px); font-weight: 700; color: var(--ink); letter-spacing: -0.01em; word-break: keep-all; }
  .rob-card .rob-layout { width: 100%; }
  .rob-card + .rob-card { margin-top: 22px; }
  .rob-more img { display: block; width: 100%; height: auto; }
  .rm-wrap { position: relative; }
  .rm-vid.rm-sim { left: 77.93%; top: 0; width: 22.07%; height: 39.9%; }
  .rm-vid.rm-lap { left: 55.175%; top: 0; width: 22.257%; height: 39.9%; }
  .rob-orig img { display: block; width: 100%; height: auto; }
  .img-even { display: flex; justify-content: center; align-items: center; gap: 4.6%; }
  .rob-orig .img-even img { display: block; height: auto; }
  .mach-more { margin-top: 22px; display: flex; flex-direction: column; gap: 22px; }
  .mach-more .rob-card + .rob-card { margin-top: 0; }
  .rm-pair { display: grid; grid-template-columns: 0.5624fr 2.1405fr; gap: 10px; align-items: start; }
  .rm-pair video { display: block; width: 100%; height: auto; border: 0.5px solid #A8AEB6; box-sizing: border-box; background: #fff; }
  .rm-v1 { aspect-ratio: 640 / 1138; } .rm-v2 { aspect-ratio: 640 / 299; }
  @media (max-width: 760px) { .rm-pair { grid-template-columns: 1fr; } .rm-v1 { width: 60% !important; margin: 0 auto; } }
  .rm-vid { position: absolute; left: 55.175%; top: 42.049%; width: 44.825%; height: 57.951%; object-fit: cover; display: block; border: 0.5px solid #A8AEB6; box-sizing: border-box; background: #fff; }
  .rob-layout { display: grid; grid-template-columns: 1fr 29%; gap: 14px; width: min(1200px, 100%); margin: 0 auto; align-items: stretch; }
  .rob-video { width: 100%; height: 100%; object-fit: cover; border-radius: 0; display: block; background: #fff; border: 0.5px solid #A8AEB6; box-sizing: border-box; }
  .rob-grid { min-width: 0; }
  .rob-grid .rob-row { width: 100%; }
  @media (max-width: 760px) { .rob-layout { grid-template-columns: 1fr; } .rob-video { height: auto; max-height: 80vh; } }
  .rob-row { display: grid; gap: 14px; width: min(1200px, 100%); margin: 0 auto; }
  .rob-row + .rob-row { margin-top: 14px; }
  .rob-row.r1 { grid-template-columns: 1.31fr 2.2fr; align-items: center; }
  .rob-row.r2 { grid-template-columns: 1.36fr 1.15fr; align-items: center; }
  .rob-row.r2 img:first-child { width: 80%; height: auto; margin: 0 auto; }
  .rob-row img { width: 100%; height: 100%; object-fit: contain; display: block; border-radius: 0; background: #fff; border: 0.5px solid #A8AEB6; box-sizing: border-box; }
  @media (max-width: 640px) { .rob-row.r1, .rob-row.r2 { grid-template-columns: 1fr; } }
  .sim-wrap { margin-top: 42px; }
  .chip-am { margin: 44px 0 0 !important; }
  .chip-am + .am-grid, .chip-am + .mach-more { margin-top: 18px; }
  .mach-more + .media-panel { margin-top: 22px; }
  .chip-fsi { width: min(1256px, 100%); margin: 42px auto 18px !important; }
  .chip-fsi + .sim-fsi { margin-top: 0; }
  .media-panel.sim-fsi { background: var(--bg-soft); text-align: left; }
  .sim-fsi h3.rc-title { font-size: 17px; font-weight: 600; color: var(--gray); letter-spacing: -0.01em; line-height: 1.5; margin: 0 0 16px; }
  .sim-fsi .sim-panel { width: 100%; border-radius: 0; }
  .media-panel { width: min(1256px, 100%); margin: 42px auto 0; background: var(--bg-soft); border: 1px solid var(--hair); border-radius: 22px; padding: clamp(18px, 2.4vw, 28px); box-sizing: border-box; }
  .media-panel .mach-media { margin: 0 auto; }
  .media-panel .sim-panel { border: 0; border-radius: 12px; }

  .sim-panel { width: min(1200px, 100%); height: auto; display: block; margin: 0 auto; border-radius: 18px; }
  .mach-media { display: grid; grid-template-columns: 1fr 1.6fr; gap: 12px; width: min(760px, 100%); margin: 42px auto 0; }
  .mach-media img { width: 100%; height: clamp(150px, 22vw, 240px); object-fit: cover; border-radius: 16px; display: block; }
  .mach-media video { grid-column: 1 / -1; width: 100%; border-radius: 16px; display: block; }
  .mach-media img, .mach-media video { border: 1px solid var(--hair); box-sizing: border-box; }
  .duo-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
    max-width: 1240px; margin: 0 auto; padding: 12px;
  }
  @media (max-width: 780px) { .duo-grid { grid-template-columns: 1fr; } }
  .duo {
    border-radius: 18px; padding: clamp(44px, 6vw, 64px) 28px;
    text-align: center; display: grid; gap: 10px; align-content: start; justify-items: center;
    background: #FFFFFF; color: var(--ink);
    box-shadow: 0 1px 0 rgba(10,30,60,0.05);
  }
  .duo.dark { background: var(--tile-dark); color: var(--ink-inv); }
  .duo .kicker { font-size: 14px; font-weight: 600; color: var(--navy); }
  .duo.dark .kicker { color: var(--navy-bright); }
  .duo h3 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 700; letter-spacing: -0.015em; line-height: 1.1; }
  .duo p { font-size: 15.5px; color: var(--gray); max-width: 46ch; }
  .duo.dark p { color: var(--gray-inv); }
  .duo img, .duo svg { width: 280px; max-width: 100%; border-radius: 14px; margin-top: 14px; display: block; height: auto; }

  /* ---------- Professor ---------- */
  .prof { max-width: 1200px; margin: 0 auto; display: grid; gap: 6px; justify-items: center; }
  .prof .photo {
    width: 260px; height: 260px; border-radius: 50%; object-fit: cover; object-position: top;
    border: 4px solid #fff; box-shadow: 0 12px 34px rgba(0,30,70,0.22);
    margin-bottom: 20px;
  }
  .prof h3 { font-size: clamp(32px, 4vw, 46px); font-weight: 700; }
  .prof .role { color: var(--gray); font-weight: 500; font-size: 18px; }
  .prof .role a[href^="mailto"]::before { content: ""; display: inline-block; width: 17px; height: 17px; margin-right: 7px; vertical-align: -3px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235D6470' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='m3.5 6.5 8.5 6.5 8.5-6.5'/%3E%3C/svg%3E") no-repeat center / contain; }
  .prof .meta { margin-top: 18px; font-size: 17.5px; color: var(--gray); line-height: 1.7; }
  .prof .meta b { color: var(--ink); font-weight: 600; }
  .prof-detail { width: min(1120px, 100%); margin: 40px auto 0; text-align: left; display: grid; gap: 40px; }
  .pd h4 { margin: 0 0 16px; font-size: 16px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy); }
  .pd ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; font-size: 18px; color: var(--gray); }
  .pd ul.area { display: flex; flex-wrap: wrap; gap: 8px; }
  .pd ul.area li { background: rgba(0,70,139,0.07); color: #2A4A75; border-radius: 999px; padding: 8px 18px; font-size: 16px; font-weight: 500; }
  .cr { display: grid; grid-template-columns: 170px 1fr; gap: 16px; padding: 12px 2px; border-top: 1px solid var(--hair); font-size: 17.5px; }
  .cr:last-child { border-bottom: 1px solid var(--hair); }
  .cr .y { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; font-size: 16.5px; padding-top: 1px; }
  .cr .r { color: var(--gray); }
  @media (max-width: 560px) { .cr { grid-template-columns: 1fr; gap: 2px; } }

  /* ---------- Members ---------- */
  .mem-wrap { max-width: 1256px; margin: 52px auto 0; text-align: left; }
  .mem-group { border-top: 1px solid var(--hair); padding: 28px 4px; display: grid; grid-template-columns: 175px 1fr; gap: 20px; }
  .mem-group:last-child { border-bottom: 1px solid var(--hair); }
  .mem-group .g { font-size: 17px; font-weight: 600; color: var(--navy); text-align: right; align-self: start; margin-top: 30px; padding-right: 14px; border-right: 2px solid rgba(0,70,139,0.18); line-height: 1.35; }
  @media (max-width: 640px) { .mem-group .g { text-align: left; border-right: 0; padding-right: 0; margin-top: 0; } }
  .mem-group .g small { font-size: 14px; font-weight: 500; }
  .mem-group .names { display: flex; flex-wrap: wrap; gap: 14px 16px; }
  .mem-pill {
    display: inline-flex; align-items: center; gap: 18px; min-width: 320px;
    background: #fff; border: 1px solid var(--hair); border-radius: 20px; padding: 16px 24px 16px 16px;
  }
  .mem-pill { position: relative; overflow: hidden; padding-right: 24px !important; width: 340px; box-sizing: border-box; flex: none; }
  .mem-pill img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; object-position: top; flex: none; }
  .mem-pill .mt { display: flex; flex-direction: column; gap: 3px; }
  .mem-pill .ph { width: 80px; height: 80px; border-radius: 50%; flex: none;
    background: rgba(0,70,139,0.08); color: var(--navy); display: grid; place-items: center;
    font-weight: 700; font-size: 26px; }
  .mem-pill .n { font-weight: 600; font-size: 20px; }
  .mem-pill .n small { color: var(--gray); font-weight: 400; margin-left: 6px; font-size: 15px; }
  .mem-pill .e { font-size: 15px; color: var(--gray); overflow-wrap: anywhere; }
  .mem-pill .e::before { content: ""; display: inline-block; width: 15px; height: 15px; margin-right: 6px; vertical-align: -2px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235D6470' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='m3.5 6.5 8.5 6.5 8.5-6.5'/%3E%3C/svg%3E") no-repeat center / contain; }
  @media (max-width: 640px) { .mem-group { grid-template-columns: 1fr; gap: 8px; } .mem-pill { min-width: 0; width: 100%; gap: 14px; padding: 14px 16px 14px 14px; padding-right: 16px !important; } .mem-pill img, .mem-pill .ph { width: 64px; height: 64px; } .mem-pill .e { font-size: 13.5px; overflow-wrap: normal; word-break: keep-all; } .mem-pill::after { right: 14px; width: 30px; height: 33px; } }

  /* ---------- Gallery ---------- */
  .gal-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px; max-width: 1256px; margin: 40px auto 8px; text-align: left;
  }
  .gal-grid figure { margin: 0; display: grid; gap: 7px; }
  .gal-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; display: block; }
  .gal-grid figcaption { font-size: 12.5px; color: var(--gray); }
  .gal-sub { max-width: 1256px; margin: 44px auto 0; text-align: left; font-size: 13px; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy); }
  .gal-list { display: grid; gap: 18px; max-width: 1256px; margin: 44px auto 0; text-align: left; }
  .gal-item {
    display: grid; grid-template-columns: min(360px, 38vw) 1fr; gap: 24px; align-items: center;
    background: #fff; border-radius: 18px; padding: 18px;
    box-shadow: 0 1px 0 rgba(10,30,60,0.05);
  }
  .gal-item.gi-noimg { grid-template-columns: 1fr; }
  .gal-item img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 12px; display: block; }
  .gal-item .gi-date { font-size: 13px; font-weight: 600; color: var(--navy); font-variant-numeric: tabular-nums; }
  .gal-item h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; margin-top: 4px; line-height: 1.35; }
  .gal-item p { font-size: 14px; color: var(--gray); margin-top: 8px; line-height: 1.6; }
  @media (max-width: 700px) { .gal-item { grid-template-columns: 1fr; gap: 14px; } }

  /* ---------- Timeline ---------- */
  .acts { max-width: 1120px; margin: 40px auto 0; text-align: left; }
  .act { border-top: 1px solid var(--hair-inv); padding: 20px 4px; display: grid; grid-template-columns: 110px 1fr; gap: 16px; }
  .act:last-child { border-bottom: 1px solid var(--hair-inv); }
  .act .y { font-size: 18px; font-weight: 700; color: var(--navy-bright); font-variant-numeric: tabular-nums; }
  .act ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; font-size: 17.5px; color: var(--gray-inv); }
  @media (max-width: 560px) { .act { grid-template-columns: 1fr; gap: 6px; } }

  /* ---------- Contact ---------- */
  .contact-cards { display: flex; flex-wrap: wrap; gap: 36px; justify-content: center; margin-top: 34px; }
  .cc { display: grid; gap: 3px; min-width: 200px; }
  .cc .k { font-size: 12.5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--navy-bright); }
  .cc .v { font-size: 16px; font-weight: 500; }

  footer.site {
    background: var(--bg-soft); color: var(--gray); font-size: 12.5px;
    padding-block: 26px; border-top: 1px solid var(--hair);
  }
  footer.site .wrap { display: grid; gap: 8px; }

  .rv { opacity: 1; transform: none; transition: opacity .8s cubic-bezier(.25,.1,.25,1), transform .8s cubic-bezier(.25,.1,.25,1); }
  .js .rv.pre { opacity: 0.001; transform: translateY(26px); }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .rv, .js .rv.pre { opacity: 1 !important; transform: none !important; transition: none; }
  }
  :focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; border-radius: 4px; }
  .media-panel.mach-last { background: #fff; text-align: left; width: min(1256px, 100%); padding: clamp(18px, 2.4vw, 26px); }
  .mach-last h3.rc-title { font-size: 17px; font-weight: 600; color: var(--gray); letter-spacing: -0.01em; line-height: 1.5; margin: 0 0 16px; }
  .mach-last .mach-media { width: 92%; margin: 0 auto; gap: clamp(16px, 3.6vw, 37px); }
  .mach-last .mach-media video { width: 100%; height: auto; aspect-ratio: 660 / 372; object-fit: cover; }
  .mach-last .mach-media img { height: clamp(170px, 26vw, 300px); }
  /* alternate: white section -> soft cards, soft section -> white cards */
  section.tile[data-page="research"]:not([style*="bg-soft"]) .am-card { background: var(--bg-soft); }
  section.tile[data-page="research"]:not([style*="bg-soft"]) .rob-card,
  section.tile[data-page="research"]:not([style*="bg-soft"]) .media-panel { background: var(--bg-soft); }
  section.tile[data-page="research"][style*="bg-soft"] .rob-card,
  section.tile[data-page="research"][style*="bg-soft"] .media-panel,
  section.tile[data-page="research"][style*="bg-soft"] .am-card { background: #fff; }

  .rs-nav { display: flex; flex-wrap: nowrap; justify-content: center; gap: 10px; max-width: 1240px; margin: 32px auto 0; }
  .rs-nav button { font: inherit; font-size: clamp(14px, 1.38vw, 17px); font-weight: 600; color: #fff; cursor: pointer; white-space: nowrap;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(113,169,232,0.55); border-radius: 999px; padding: 10px 18px;
    transition: background .2s, border-color .2s; }
  .rs-nav button:hover, .rs-nav button:focus-visible { background: rgba(113,169,232,0.28); border-color: #9CC7F2; outline: none; }
  @media (max-width: 960px) { .rs-nav { flex-wrap: wrap; } }
  .rs-anchor { scroll-margin-top: 48px; }

  .hero-ov { max-width: 1240px; width: 100%; box-sizing: border-box; }
  .hero-rs { margin-top: clamp(60px, calc(19vh - 30px), 190px); }
  .hero-ov.play > .hero-rs { animation: heroIn 2.4s cubic-bezier(.22,.61,.36,1) 3.4s both; }
  .hrs-label { margin: 0 0 50px; font-size: clamp(22px, 2.6vw, 32px); font-weight: 700; letter-spacing: 0.06em; color: #E6F1FD; text-shadow: 0 2px 14px rgba(2,10,24,0.9); }
  .hrs-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 22px); max-width: 940px; margin: 0 auto; }
  .hrs-card { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 14px 8px 12px; aspect-ratio: 3 / 4;
    background: transparent; border: 1px solid rgba(170,208,247,0.55); border-radius: 16px; cursor: pointer; text-align: center;
    font: inherit; color: #fff; opacity: 0; transition: transform .25s, border-color .25s, background .25s; }
  .hrs-pic { position: relative; display: block; flex: 1 1 auto; min-height: 0; }
  .hrs-pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; border-radius: 8px; filter: drop-shadow(0 6px 14px rgba(0,0,0,0.45)); transition: transform .5s; }
  .hrs-card .hrs-t { font-size: clamp(13.5px, 1.27vw, 16.5px); font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; text-shadow: 0 2px 10px rgba(0,0,0,0.8); order: -1; min-height: 2.6em; display: flex; align-items: center; justify-content: center; }
  .hrs-card:hover, .hrs-card:focus-visible { transform: translateY(-5px); border-color: #A9D1FA; background: rgba(120,170,230,0.08); outline: none; }
  .hrs-card:hover .hrs-pic img { transform: scale(1.06); }
  .hero-ov.play .hrs-card { animation: hrsIn 2s cubic-bezier(.22,.61,.36,1) both; animation-delay: calc(4.2s + var(--d) * 0.8s); }
  @keyframes hrsIn { 0% { opacity: 0; transform: translateY(30px) scale(0.96); filter: blur(6px); } 100% { opacity: 1; transform: none; filter: none; } }
  @media (max-width: 760px) { .hrs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } .hero-rs { margin-top: 44px; } .hrs-card { aspect-ratio: 3 / 4; padding: 10px 5px 8px; } .hrs-card .hrs-t { font-size: 11.5px; letter-spacing: -0.02em; min-height: 2.4em; } }
  @media (prefers-reduced-motion: reduce) and (max-width: 0px) { .hero-ov.play .hrs-card, .hero-ov.play > .hero-rs { animation: none; opacity: 1; } }
  .hrs-pic img.hrs-ugv { inset: -6px -8px -8px; width: calc(100% + 16px); height: calc(100% + 14px); }
  @media (min-width: 641px) {
    .mem-group .names { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 18px; }
    .mem-pill { width: auto; min-width: 0; gap: 24px; padding: 20px 28px 20px 20px; border-radius: 24px; }
    .mem-pill img, .mem-pill .ph { width: 104px; height: 104px; }
    .mem-pill .n { font-size: 23px; }
    .mem-pill .n small { font-size: 16px; }
    .mem-pill .e { font-size: 16px; overflow-wrap: normal; white-space: nowrap; }
  }
  @media (min-width: 641px) and (max-width: 1180px) {
    .mem-pill { gap: 16px; padding: 16px 18px 16px 16px; }
    .mem-pill img, .mem-pill .ph { width: 84px; height: 84px; }
    .mem-pill .n { font-size: 20px; }
    .mem-pill .e { font-size: 14px; }
  }
  @media (min-width: 641px) and (max-width: 900px) { .mem-pill .e { white-space: normal; overflow-wrap: anywhere; } }
  .gal-sub { font-size: clamp(20px, 2vw, 26px); letter-spacing: 0.06em; padding-left: 18px; }
  .ab-word { position: relative; max-width: 1256px; margin: 0 auto 56px; padding: clamp(10px, 2vw, 24px) 0 clamp(26px, 3vw, 40px); text-align: center; border-bottom: 1px solid var(--hair); }
  .abw-big { font-size: clamp(80px, 25vw, 360px); font-weight: 900; line-height: 0.86; letter-spacing: 0.02em;
    background-image: linear-gradient(180deg, rgba(4,18,38,0), rgba(4,18,38,0.12)), var(--lab-img);
    background-size: 0 0; background-repeat: no-repeat;
    -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 24px rgba(0,40,90,0.18)); user-select: none; }
  .abw-big .abl { display: inline-block; background-image: inherit; background-repeat: no-repeat; background-size: cover;
    -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
  .abw-full { margin: clamp(14px, 2vw, 26px) 0 0; font-size: clamp(15px, 2vw, 26px); font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: #6B7A8F; }
  .abw-full b { font-weight: 800; color: #0B4F7C; }
  @media (max-width: 560px) { .abw-full { font-size: 11.5px; letter-spacing: 0.02em; white-space: nowrap; } }
  .ab-word .abw-big .abl { animation: ablIn 3.4s cubic-bezier(.22,.61,.36,1) both; }
  .ab-word .abw-big .abl:nth-child(1) { animation-delay: .4s; } .ab-word .abw-big .abl:nth-child(2) { animation-delay: 1.8s; }
  .ab-word .abw-big .abl:nth-child(3) { animation-delay: 3.2s; } .ab-word .abw-big .abl:nth-child(4) { animation-delay: 4.6s; }
  .ab-word .abw-big .abl:nth-child(5) { animation-delay: 6s; }
  @keyframes ablIn { 0% { opacity: 0; transform: translateY(28px) scale(0.96); filter: blur(12px); } 100% { opacity: 1; transform: none; filter: none; } }
  @keyframes abwPan { 0% { background-position: 30% 55%; } 100% { background-position: 70% 45%; } }
  .ab-word .abw-full { animation: abwFade 3.2s cubic-bezier(.22,.61,.36,1) 8.6s both; }
  @keyframes abwIn { 0% { opacity: 0; transform: translateY(24px) scale(0.97); filter: blur(10px) drop-shadow(0 10px 24px rgba(0,40,90,0)); } 100% { opacity: 1; transform: none; filter: blur(0) drop-shadow(0 10px 24px rgba(0,40,90,0.18)); } }
  @keyframes abwFade { 0% { opacity: 0; filter: blur(8px); } 100% { opacity: 1; filter: none; } }
  @media (prefers-reduced-motion: reduce) and (max-width: 0px) { .ab-word .abw-big, .ab-word .abw-big .abl, .ab-word .abw-full { animation: none; } }
  .ab-word.ab-word-end { margin: 24px auto 0; padding: clamp(30px, 4vw, 52px) 0 0; border-bottom: 0; border-top: 1px solid var(--hair); }
  .ab-word-end .abw-big, .ab-word-end .abw-full { animation-play-state: paused; }
  .ab-word-end.go .abw-big, .ab-word-end.go .abw-full { animation-play-state: running; }
  .ab-swarm { max-width: 1256px; margin: 0 auto 56px; border-radius: 20px; overflow: hidden; box-shadow: 0 18px 44px rgba(0,30,70,0.22); line-height: 0; }
  .ab-swarm svg { display: block; width: 100%; height: auto; }
  .ab-swarm .sw-d { animation: swBob 3.6s ease-in-out infinite; }
  .ab-swarm .sw-d1 { animation-delay: -1.2s; } .ab-swarm .sw-d2 { animation-delay: -2.4s; }
  @keyframes swBob { 0%,100% { translate: 0 0; } 50% { translate: 0 -5px; } }
  .ab-swarm .sw-pulse { transform-origin: 600px 372px; animation: swPulse 2.8s ease-out infinite; }
  @keyframes swPulse { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.35); opacity: 0; } }
  .ab-swarm .sw-links { animation: swLink 3s ease-in-out infinite; }
  @keyframes swLink { 0%,100% { opacity: .55; } 50% { opacity: 1; } }
  @media (prefers-reduced-motion: reduce) and (max-width: 0px) { .ab-swarm * { animation: none !important; } }
  @media (max-width: 760px) { .ab-swarm { border-radius: 14px; margin-bottom: 40px; } }

  .ab-scene { position: relative; max-width: 1256px; margin: 0 auto 56px; aspect-ratio: 1672 / 580; border-radius: 20px; overflow: hidden; box-shadow: 0 18px 44px rgba(0,30,70,0.22); background: #031026; }
  .ab-scene img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; transform-origin: 50% 60%; animation: absKen 22s ease-in-out infinite alternate; }
  @keyframes absKen { 0% { transform: scale(1.04) translateX(1.2%); } 100% { transform: scale(1.14) translateX(-1.6%); } }
  .ab-scene::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 85% 75% at 50% 55%, rgba(3,16,38,0) 55%, rgba(3,16,38,.55) 100%), linear-gradient(180deg, rgba(3,16,38,.25), rgba(3,16,38,0) 30%, rgba(3,16,38,0) 70%, rgba(3,16,38,.35)); }
  .abs-scan { position: absolute; top: 0; bottom: 0; left: -20%; width: 18%; pointer-events: none; background: linear-gradient(90deg, rgba(95,180,255,0), rgba(120,200,255,.28) 70%, rgba(200,235,255,.75) 98%, rgba(95,180,255,0)); mix-blend-mode: screen; animation: absScan 6.5s cubic-bezier(.45,.05,.55,.95) infinite; z-index: 1; }
  @keyframes absScan { 0% { left: -20%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 102%; opacity: 0; } }
  .abs-grid { position: absolute; inset: 0; pointer-events: none; z-index: 1; background-image: linear-gradient(rgba(140,200,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(140,200,255,.07) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(180deg, transparent, #000 60%); -webkit-mask-image: linear-gradient(180deg, transparent, #000 60%); }
  @media (prefers-reduced-motion: reduce) and (max-width: 0px) { .ab-scene img, .abs-scan { animation: none !important; } .abs-scan { display: none; } }
  @media (max-width: 760px) { .ab-scene { border-radius: 14px; margin-bottom: 40px; aspect-ratio: 16 / 8; } }

  /* About: lab image accents */
  .page-band.pb-lab { background: linear-gradient(180deg, rgba(3,14,34,.72), rgba(3,14,34,.86)), var(--lab-img) center 45% / cover no-repeat, #041226; animation: pbPan 30s ease-in-out infinite alternate; }
  @keyframes pbPan { 0% { background-position: 0 0, center 35%; } 100% { background-position: 0 0, center 60%; } }
  .ab-split { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; max-width: 1256px; }
  .ab-fig { position: relative; margin: 0; border-radius: 20px; overflow: hidden; aspect-ratio: 800 / 474; box-shadow: 0 18px 44px rgba(0,30,70,0.22); background: #031026; }
  .ab-fig img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: absKen 22s ease-in-out infinite alternate; }
  @keyframes absKen { 0% { transform: scale(1.03); } 100% { transform: scale(1.12) translateX(-2%); } }
  .abs-scan { position: absolute; top: 0; bottom: 0; left: -20%; width: 18%; pointer-events: none; background: linear-gradient(90deg, rgba(95,180,255,0), rgba(120,200,255,.25) 70%, rgba(200,235,255,.7) 98%, rgba(95,180,255,0)); mix-blend-mode: screen; animation: absScan 6.5s cubic-bezier(.45,.05,.55,.95) infinite; }
  @keyframes absScan { 0% { left: -20%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 102%; opacity: 0; } }
  .ab-block.ab-panel { max-width: 1256px; margin-top: 12px; border-top: 0; padding: clamp(30px, 4vw, 52px) clamp(22px, 4vw, 56px); border-radius: 24px; color: #fff;
    background: linear-gradient(120deg, rgba(3,16,40,.93), rgba(5,35,80,.82) 60%, rgba(3,16,40,.9)), var(--lab-img) center 55% / cover no-repeat; box-shadow: 0 22px 54px rgba(0,30,70,0.25); }
  .ab-panel .ab-h .grad-n { background: linear-gradient(94deg, #8FC6FF, #5FD0F0); -webkit-background-clip: text; background-clip: text; color: transparent; }
  .ab-panel .ab-list { grid-template-columns: 1fr; }
  .ab-panel .ab-list li { background: rgba(255,255,255,0.07); border: 1px solid rgba(140,200,255,0.22); color: #EAF3FF; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); transition: background .25s, transform .25s; }
  .ab-panel .ab-list li:hover { background: rgba(120,190,255,0.16); transform: translateY(-2px); }
  .ab-panel .ab-list li::before { background: #6FC3FF; box-shadow: 0 0 10px #6FC3FF; }
  @media (max-width: 860px) { .ab-split { grid-template-columns: 1fr; } }
  @media (prefers-reduced-motion: reduce) and (max-width: 0px) { .page-band.pb-lab, .ab-fig img, .abs-scan { animation: none !important; } }

  @media (min-width: 761px) {
    .hero-rs { margin-top: clamp(36px, calc(13vh - 34px), 140px); }
    .hrs-label { margin-bottom: 34px; }
    .hrs-grid { max-width: 1060px; }
    .hrs-card { padding-left: 4px; padding-right: 4px; }
    .hrs-card .hrs-t { font-size: clamp(15px, 1.3vw, 18.5px); font-weight: 800; letter-spacing: -0.025em; color: #FFFFFF; text-shadow: 0 2px 6px rgba(0,0,0,0.95), 0 0 14px rgba(0,10,30,0.85); }
  }

  .page-band { background: #041226; isolation: isolate; }
  .page-band::before { content: ""; position: absolute; inset: -12% -10%; z-index: 0; pointer-events: none;
    background: radial-gradient(120% 90% at 50% 0%, rgba(11,58,115,0.80) 0%, rgba(6,35,73,0.86) 45%, rgba(4,18,38,0.93) 100%),
      var(--lab-img) center 45% / cover no-repeat;
    animation: pbDrift 9s ease-in-out infinite alternate; will-change: transform; }
  @keyframes pbDrift { 0% { transform: translate3d(-5%, 2%, 0) scale(1.04); } 100% { transform: translate3d(5%, -2%, 0) scale(1.16); } }
  .page-band > * { position: relative; z-index: 1; }
  @media (prefers-reduced-motion: reduce) and (max-width: 0px) { .page-band::before { animation: none; } }