:root {
      --bg-top: #061a33;
      --bg-mid: #031126;
      --bg-deep: #010713;
      --text: #eaf7ff;
      --text-soft: rgba(210, 232, 255, 0.72);
      --text-dim: rgba(128, 180, 224, 0.46);
      --accent: #55c7ff;
      --accent-strong: #f4fbff;
      --glow: rgba(30, 156, 255, 0.62);
      --desktop-shell-max: 132rem;
      --signal-rail-right: clamp(1.4rem, 2vw, 2.2rem);
      --signal-rail-width: min(clamp(46rem, 40vw, 60rem), calc(100vw - 3rem));
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      margin: 0;
      min-height: 100%;
    }

    body {
      overflow: hidden;
      color: var(--text);
      font-family: "Rajdhani", "Microsoft JhengHei", "PingFang TC", sans-serif;
      -ms-overflow-style: none;
      scrollbar-width: none;
      background:
        linear-gradient(90deg, rgba(0, 5, 14, 0.5), rgba(1, 9, 24, 0.18) 42%, rgba(0, 5, 14, 0.62)),
        linear-gradient(180deg, rgba(1, 10, 26, 0.28), rgba(1, 7, 19, 0.76)),
        radial-gradient(circle at 61% 22%, rgba(22, 139, 255, 0.22), transparent 18%),
        radial-gradient(circle at 50% 62%, rgba(49, 190, 255, 0.12), transparent 30%),
        radial-gradient(circle at 50% 112%, rgba(22, 117, 226, 0.2), transparent 38%),
        url("../assets/backgrounds/nebula-relay-bg.webp") center center / cover no-repeat,
        linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 46%, var(--bg-deep) 100%);
    }

    body::-webkit-scrollbar {
      display: none;
    }

    body::before,
    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
    }

    body::before {
      background:
        linear-gradient(90deg, rgba(0, 0, 0, 0.68), transparent 23%, transparent 79%, rgba(0, 0, 0, 0.54)),
        linear-gradient(180deg, rgba(40, 164, 255, 0.08), transparent 18%, transparent 70%, rgba(0, 0, 0, 0.72)),
        repeating-linear-gradient(90deg, rgba(78, 186, 255, 0.04) 0 1px, transparent 1px 72px),
        repeating-linear-gradient(0deg, rgba(78, 186, 255, 0.03) 0 1px, transparent 1px 72px);
      opacity: 0.8;
    }

    body::after {
      background:
        radial-gradient(circle at 50% 48%, transparent 30%, rgba(0, 0, 0, 0.52) 100%),
        repeating-linear-gradient(
          0deg,
          rgba(96, 207, 255, 0.035) 0,
          rgba(96, 207, 255, 0.035) 1px,
          transparent 1px,
          transparent 5px
        );
      opacity: 0.56;
    }

    .scene {
      position: fixed;
      inset: 0;
      overflow: hidden;
      pointer-events: none;
      transition: transform 720ms cubic-bezier(0.22, 1, 0.36, 1), opacity 720ms ease, filter 720ms ease;
      background:
        radial-gradient(circle at 52% 52%, rgba(34, 156, 255, 0.18), transparent 30%),
        radial-gradient(circle at 18% 84%, rgba(0, 126, 255, 0.13), transparent 27%),
        radial-gradient(circle at 84% 16%, rgba(62, 215, 255, 0.1), transparent 25%);
    }

    .mist,
    .mist::before,
    .mist::after {
      position: absolute;
      content: "";
      border-radius: 50%;
      filter: blur(70px);
    }

    .mist {
      left: 8%;
      bottom: -3%;
      width: 26vw;
      height: 12vw;
      background: rgba(217, 236, 255, 0.08);
      animation: drift 22s ease-in-out infinite;
    }

    .mist::before {
      left: 34vw;
      top: -6vw;
      width: 20vw;
      height: 10vw;
      background: rgba(181, 218, 255, 0.08);
      animation: drift 28s ease-in-out infinite reverse;
    }

    .mist::after {
      right: -42vw;
      top: 2vw;
      width: 24vw;
      height: 10vw;
      background: rgba(218, 237, 255, 0.06);
      animation: drift 20s ease-in-out infinite;
    }

    .sparkles {
      position: absolute;
      inset: 0;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .sparkles li {
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: rgba(225, 248, 255, 0.95);
      box-shadow:
        0 0 18px rgba(64, 200, 255, 0.95),
        0 0 36px rgba(0, 125, 255, 0.44);
      animation: floatUp linear infinite;
    }

    .sparkles li:nth-child(1) { left: 12%; bottom: 16%; animation-duration: 16s; animation-delay: -2s; }
    .sparkles li:nth-child(2) { left: 28%; bottom: 24%; animation-duration: 13s; animation-delay: -8s; }
    .sparkles li:nth-child(3) { left: 44%; bottom: 18%; animation-duration: 17s; animation-delay: -4s; }
    .sparkles li:nth-child(4) { left: 61%; bottom: 13%; animation-duration: 15s; animation-delay: -7s; }
    .sparkles li:nth-child(5) { left: 78%; bottom: 23%; animation-duration: 18s; animation-delay: -10s; }
    .sparkles li:nth-child(6) { left: 86%; bottom: 11%; animation-duration: 14s; animation-delay: -5s; }

    .layout {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: var(--desktop-shell-max);
      margin: 0 auto;
      min-height: 100vh;
      padding: 0;
      transition: transform 720ms cubic-bezier(0.22, 1, 0.36, 1), opacity 720ms ease, filter 720ms ease;
    }

    body.is-ambient-modal-open {
      overflow: hidden;
    }

    body.is-ambient-modal-open .scene,
    body.is-ambient-modal-open .layout {
      opacity: 0.12;
      transform: scale(1.035);
      filter: blur(18px) saturate(0.72);
      pointer-events: none;
    }

    body.is-ambient-modal-leaving .scene,
    body.is-ambient-modal-leaving .layout {
      opacity: 1;
      transform: none;
      filter: none;
      pointer-events: none;
    }

    .brand {
      position: absolute;
      left: clamp(1.4rem, 2vw, 2.2rem);
      top: clamp(1.5rem, 3vh, 2.4rem);
      z-index: 2;
      max-width: min(34rem, calc(100vw - 3rem));
      transition:
        left 320ms ease,
        top 320ms ease,
        max-width 320ms ease,
        transform 480ms ease,
        opacity 380ms ease,
        filter 380ms ease;
    }

    .mobile-quick-controls {
      display: none;
    }

    body.is-works-open .brand {
      transform: translateX(-8px);
      opacity: 0.42;
      filter: blur(2px);
    }

    body.is-artwork-open .brand,
    body.is-devlog-open .brand,
    body.is-tools-open .brand,
    body.is-about-open .brand {
      transform: translateX(-10px);
      opacity: 0.32;
      filter: blur(2px);
    }

    .brand__eyebrow {
      margin: 0.95rem 0 0;
      color: var(--accent);
      font-size: 1rem;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      transition: margin 240ms ease, font-size 240ms ease, opacity 220ms ease, visibility 220ms ease, transform 260ms ease;
    }

    .brand__title {
      margin: 0;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      color: var(--accent-strong);
      font-family: "Cinzel", "Noto Serif TC", "PMingLiU", serif;
      font-size: clamp(3.5rem, 9vw, 6.3rem);
      line-height: 0.92;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      text-shadow: 0 14px 36px rgba(0, 0, 0, 0.42);
      transition: font-size 280ms ease, letter-spacing 240ms ease, opacity 220ms ease, visibility 220ms ease, transform 280ms ease;
    }

    body.is-works-open .brand__title,
    body.is-works-opening .brand__title,
    body.is-works-leaving .brand__title,
    body.is-artwork-open .brand__title,
    body.is-devlog-open .brand__title,
    body.is-about-open .brand__title,
    body.is-tools-open .brand__title,
    body.is-works-open .brand__eyebrow,
    body.is-works-opening .brand__eyebrow,
    body.is-works-leaving .brand__eyebrow,
    body.is-artwork-open .brand__eyebrow,
    body.is-devlog-open .brand__eyebrow,
    body.is-about-open .brand__eyebrow,
    body.is-tools-open .brand__eyebrow {
      opacity: 0;
      visibility: hidden;
      transform: translateY(0.55rem);
    }

    .brand__title-kicker {
      display: block;
      margin-bottom: 0.72rem;
      font-size: clamp(1rem, 2vw, 1.4rem);
      letter-spacing: 0.28em;
      transition: margin-bottom 240ms ease, font-size 240ms ease;
    }

    .brand__title-main {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .brand__word {
      display: block;
    }

    .brand__text {
      margin: 0.82rem 0 0;
      max-width: 26rem;
      color: var(--text-soft);
      font-size: 1.12rem;
      line-height: 1.78;
      letter-spacing: 0.03em;
      transition:
        opacity 240ms ease,
        visibility 240ms ease,
        transform 280ms ease,
        max-width 240ms ease,
        margin-top 240ms ease,
        font-size 240ms ease,
        line-height 240ms ease;
    }

    .brand__text:empty {
      display: none;
    }

    .keeper-signal {
      position: relative;
      max-width: 31rem;
      margin-top: 1.35rem;
      padding: 1.1rem 0 0 1.05rem;
      border-left: 1px solid rgba(85, 199, 255, 0.34);
      color: rgba(220, 238, 255, 0.82);
      transition:
        opacity 240ms ease,
        visibility 240ms ease,
        transform 280ms ease,
        max-width 260ms ease,
        margin-top 260ms ease,
        padding 260ms ease;
    }

    body.is-works-open .brand__text,
    body.is-works-leaving .brand__text,
    body.is-artwork-open .brand__text,
    body.is-devlog-open .brand__text,
    body.is-about-open .brand__text,
    body.is-tools-open .brand__text,
    body.is-works-open .keeper-signal,
    body.is-works-leaving .keeper-signal,
    body.is-artwork-open .keeper-signal,
    body.is-devlog-open .keeper-signal,
    body.is-about-open .keeper-signal,
    body.is-tools-open .keeper-signal {
      opacity: 0;
      visibility: hidden;
      transform: translateY(0.6rem);
    }

    .keeper-signal::before {
      content: "";
      position: absolute;
      left: -3px;
      top: 1.15rem;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: #62ddff;
      box-shadow: 0 0 16px rgba(84, 210, 255, 0.74);
    }

    .keeper-signal__eyebrow {
      margin: 0 0 0.7rem;
      color: var(--accent);
      font-size: 0.74rem;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      transition: margin 220ms ease, font-size 220ms ease;
    }

    .keeper-signal__greeting {
      margin: 0;
      color: #ffd980;
      font-size: 1.04rem;
      line-height: 1.25;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-shadow:
        0 0 8px rgba(255, 201, 92, 0.58),
        0 0 16px rgba(255, 157, 40, 0.28);
    }

    .keeper-signal__body {
      margin: 0.62rem 0 0;
      color: rgba(218, 235, 255, 0.78);
      font-size: 0.98rem;
      line-height: 1.62;
      letter-spacing: 0.03em;
      text-wrap: pretty;
      transition: margin-top 220ms ease, font-size 220ms ease, line-height 220ms ease;
    }

    .keeper-signal__signoff {
      margin: 0.75rem 0 0;
      color: #ffd980;
      font-size: 0.92rem;
      letter-spacing: 0.13em;
      text-transform: uppercase;
      text-shadow:
        0 0 8px rgba(255, 201, 92, 0.58),
        0 0 16px rgba(255, 157, 40, 0.28);
      transition: margin-top 220ms ease, font-size 220ms ease;
    }

    .keeper-signal__signoff-name {
      margin-left: 0.62rem;
    }

    .language-toggle {
      display: inline-flex;
      flex: 0 0 auto;
      align-items: center;
      gap: 0.22rem;
      padding: 0.24rem;
      border: 1px solid rgba(87, 201, 255, 0.22);
      border-radius: 999px;
      background: rgba(5, 20, 44, 0.58);
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 0 18px rgba(18, 135, 255, 0.08);
      backdrop-filter: blur(10px);
    }

    .menu__language {
      margin-left: clamp(0.45rem, 0.9vw, 1rem);
      align-self: center;
    }

    .language-toggle__button {
      min-width: 2.5rem;
      padding: 0.34rem 0.62rem;
      border: 0;
      border-radius: 999px;
      background: transparent;
      color: rgba(196, 225, 251, 0.64);
      font: inherit;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      cursor: pointer;
      transition: background 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
    }

    .language-toggle__button:hover,
    .language-toggle__button:focus-visible {
      color: rgba(243, 249, 255, 0.94);
      transform: translateY(-1px);
      outline: none;
    }

    .language-toggle__button.is-active {
      background: linear-gradient(135deg, rgba(73, 194, 255, 0.92), rgba(17, 129, 255, 0.9) 58%, rgba(5, 55, 156, 0.88));
      color: var(--accent-strong);
      box-shadow: 0 0 18px rgba(36, 159, 255, 0.22);
    }

    body[data-language="cn"] .keeper-signal__greeting,
    body[data-language="cn"] .keeper-signal__body,
    body[data-language="cn"] .keeper-signal__signoff,
    body[data-language="cn"] .brand__text,
    body[data-language="cn"] .contact-form input,
    body[data-language="cn"] .works-copy__text,
    body[data-language="cn"] .artwork__intro,
    body[data-language="cn"] .sound-console__status,
    body[data-language="cn"] .ambient-modal__body,
    body[data-language="cn"] .devlog__intro,
    body[data-language="cn"] .devlog-entry__body,
    body[data-language="cn"] .devlog-entry__caption,
    body[data-language="cn"] .devlog-entry__media-placeholder span,
    body[data-language="cn"] .about__body,
    body[data-language="cn"] .about__route-note,
    body[data-language="cn"] .about__note,
    body[data-language="cn"] .service-card__body,
    body[data-language="cn"] .tools__intro,
    body[data-language="cn"] .tools__note,
    body[data-language="cn"] .tool-entry__subtitle,
    body[data-language="cn"] .tool-entry__body,
    body[data-language="cn"] .tool-entry__meta,
    body[data-language="cn"] .hint {
      font-family: "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", sans-serif;
      letter-spacing: 0.01em;
    }

    body[data-language="cn"] .keeper-signal__body,
    body[data-language="cn"] .works-copy__text,
    body[data-language="cn"] .artwork__intro,
    body[data-language="cn"] .devlog__intro,
    body[data-language="cn"] .devlog-entry__body,
    body[data-language="cn"] .devlog-entry__caption,
    body[data-language="cn"] .about__body,
    body[data-language="cn"] .about__route-note,
    body[data-language="cn"] .about__note,
    body[data-language="cn"] .service-card__body,
    body[data-language="cn"] .tools__intro,
    body[data-language="cn"] .tools__note,
    body[data-language="cn"] .tool-entry__subtitle,
    body[data-language="cn"] .tool-entry__body,
    body[data-language="cn"] .tool-entry__meta {
      line-height: 1.74;
    }

    .station-hud {
      --hud-height: clamp(23.5rem, 31vw, 28rem);
      position: absolute;
      right: var(--signal-rail-right);
      top: clamp(5.3rem, 9vh, 6.7rem);
      z-index: auto;
      width: min(22rem, calc(100vw - 3rem));
      display: grid;
      grid-template-columns: minmax(18rem, 22rem);
      grid-template-areas: "readout";
      align-items: stretch;
      justify-content: end;
      gap: 0;
      margin: 0;
      pointer-events: none;
      transition:
        top 320ms ease,
        right 320ms ease,
        width 320ms ease,
        transform 420ms ease,
        opacity 320ms ease,
        filter 320ms ease;
    }

    .station-hud__readout {
      grid-area: readout;
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: clamp(1rem, 1.7vw, 1.35rem);
      width: 100%;
      max-width: none;
      min-height: var(--hud-height);
      min-width: 0;
      margin-top: 0;
      transition: max-width 260ms ease, gap 260ms ease, opacity 240ms ease, min-height 260ms ease;
    }

    .station-hud__readout::before {
      content: "";
      position: absolute;
      left: -1.05rem;
      top: 50%;
      width: 1.05rem;
      height: 1px;
      background:
        linear-gradient(90deg, rgba(158, 211, 255, 0.46), rgba(158, 211, 255, 0));
      transform: translateY(-50%);
      transition: left 240ms ease, width 240ms ease, opacity 240ms ease;
    }

    .station-hud__line {
      position: relative;
      padding-left: 1rem;
    }

    .station-hud__line::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.32rem;
      width: 0.72rem;
      height: 1px;
      background: linear-gradient(90deg, rgba(205, 237, 255, 0.74), rgba(114, 185, 255, 0));
      box-shadow: 0 0 10px rgba(171, 221, 255, 0.2);
    }

    .station-hud__label {
      margin: 0;
      color: rgba(158, 211, 255, 0.92);
      font-size: 0.74rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      transition: font-size 220ms ease;
    }

    .station-hud__value {
      margin: 0.18rem 0 0;
      color: rgba(243, 249, 255, 0.9);
      font-size: 1.12rem;
      line-height: 1.46;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      transition: font-size 220ms ease, line-height 220ms ease;
    }

.home-character {
  position: absolute;
  left: 50%;
  bottom: clamp(-8rem, -6.9vw, -2.4rem);
  z-index: 1;
  width: clamp(39rem, 43vw, 48rem);
  pointer-events: none;
  opacity: 0.98;
  transform-origin: center bottom;
  transform: translate3d(-50%, 0, 0);
  transition:
    left 360ms ease,
    bottom 360ms ease,
    width 360ms ease,
    opacity 340ms ease,
    transform 520ms cubic-bezier(0.18, 1, 0.22, 1),
    filter 340ms ease;
  filter: saturate(1.03);
}

    .home-character::before {
      content: "";
      position: absolute;
      inset: 8% 10% 20%;
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 32%, rgba(234, 245, 255, 0.3), transparent 28%),
        radial-gradient(circle at 52% 56%, rgba(102, 160, 225, 0.24), transparent 50%);
      filter: blur(26px);
      opacity: 0.82;
      pointer-events: none;
    }

    .home-character::after {
      content: "";
      position: absolute;
      left: 14%;
      right: 14%;
      bottom: 7%;
      height: 12%;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(4, 10, 18, 0.74), transparent 70%);
      filter: blur(16px);
      pointer-events: none;
    }

.home-character__image {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  max-height: 116vh;
  object-fit: contain;
  object-position: center bottom;
      filter:
        drop-shadow(0 16px 22px rgba(0, 0, 0, 0.28))
        drop-shadow(0 28px 44px rgba(5, 14, 30, 0.46));
      animation: homeCharacterFloat 7.5s ease-in-out infinite;
      user-select: none;
      -webkit-user-drag: none;
    }

    body.is-works-open .home-character,
    body.is-works-leaving .home-character,
    body.is-artwork-open .home-character,
    body.is-devlog-open .home-character,
    body.is-about-open .home-character,
    body.is-tools-open .home-character {
      opacity: 0;
      filter: blur(10px) saturate(0.92);
      transform: translate3d(calc(-50% + 1.6rem), 0.75rem, 0) scale(0.96);
    }

    body.is-works-open .station-hud,
    body.is-works-leaving .station-hud,
    body.is-artwork-open .station-hud,
    body.is-devlog-open .station-hud,
    body.is-about-open .station-hud,
    body.is-tools-open .station-hud {
      opacity: 0;
      filter: blur(10px);
      transform: translate3d(-0.5rem, 0.35rem, 0);
    }

    .menu {
      position: absolute;
      right: var(--signal-rail-right);
      top: clamp(1.5rem, 3vh, 2.2rem);
      z-index: 3;
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: flex-end;
      gap: clamp(1.35rem, 2vw, 2.4rem);
      width: fit-content;
      max-width: calc(100vw - 2rem);
      transition: top 260ms ease, right 260ms ease, width 260ms ease, gap 260ms ease;
    }

    .menu > button {
      position: relative;
      display: flex;
      align-items: center;
      padding: 0 0 0 1.25rem;
      border: 0;
      background: none;
      color: rgba(243, 249, 255, 0.72);
      text-align: left;
      cursor: pointer;
      transition: transform 160ms ease, color 160ms ease;
    }

    .menu > button:hover,
    .menu > button:focus-visible {
      transform: translateY(-3px);
      color: rgba(243, 249, 255, 0.96);
      outline: none;
    }

    .menu > button.is-active {
      transform: translateY(-4px);
      color: var(--accent-strong);
      text-shadow: 0 0 22px var(--glow);
    }

    .menu > button.is-active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      width: 10px;
      height: 10px;
      background: linear-gradient(135deg, #ffffff, #9ed3ff);
      transform: translateY(-50%) rotate(45deg);
      box-shadow: 0 0 16px var(--glow);
    }

    .menu__main {
      display: block;
      font-size: 1.7rem;
      line-height: 1;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      transition: font-size 240ms ease;
    }

    .menu__icon {
      display: none;
    }

    .menu__icon svg {
      display: block;
      width: 100%;
      height: 100%;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .sound-console {
      position: relative;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr) auto;
      align-items: center;
      gap: 0.68rem 0.85rem;
      width: 100%;
      margin-top: clamp(0.75rem, 1.2vw, 1rem);
      padding: 0.12rem 0 0;
      pointer-events: auto;
      transition:
        opacity 240ms ease,
        transform 280ms ease,
        width 280ms ease;
    }

    .sound-console__signal {
      position: relative;
      display: block;
      width: 0.8rem;
      height: 0.8rem;
      border-radius: 50%;
      background: linear-gradient(135deg, #effcff, #5ee7ff 56%, #137cff);
      box-shadow:
        0 0 14px rgba(92, 222, 255, 0.56),
        0 0 28px rgba(20, 145, 255, 0.32);
    }

    .sound-console__signal::after {
      content: "";
      position: absolute;
      inset: -0.34rem;
      border: 1px solid rgba(106, 214, 255, 0.34);
      border-radius: 50%;
      opacity: 0;
      transform: scale(0.72);
    }

    .sound-console.is-playing .sound-console__signal::after {
      animation: signalPulse 1.8s ease-out infinite;
    }

    .sound-console__content {
      min-width: 0;
    }

    .sound-console__status {
      margin: 0;
      color: rgba(158, 211, 255, 0.88);
      font-size: 0.68rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .sound-console__title {
      margin: 0.16rem 0 0;
      color: rgba(243, 249, 255, 0.9);
      font-size: 0.98rem;
      line-height: 1.2;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .sound-console__toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      min-width: 5rem;
      border: 1px solid rgba(116, 224, 255, 0.64);
      border-radius: 999px;
      padding: 0.62rem 0.8rem;
      background:
        linear-gradient(135deg, rgba(73, 194, 255, 0.9), rgba(17, 129, 255, 0.9) 58%, rgba(5, 55, 156, 0.92)),
        #137cff;
      color: #f3fbff;
      font: inherit;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      cursor: pointer;
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.28),
        0 0 20px rgba(39, 168, 255, 0.32);
      transition: transform 160ms ease, filter 160ms ease, opacity 160ms ease;
    }

    .sound-console__toggle:hover,
    .sound-console__toggle:focus-visible {
      transform: translateY(-1px);
      filter: brightness(1.08);
      outline: none;
    }

    .sound-console__toggle:disabled {
      cursor: not-allowed;
      opacity: 0.52;
      filter: saturate(0.72);
      transform: none;
    }

    .sound-console__toggle-icon {
      position: relative;
      width: 0.72rem;
      height: 0.72rem;
      flex: 0 0 auto;
    }

    .sound-console__toggle-icon::before {
      content: "";
      position: absolute;
      left: 0.18rem;
      top: 0.06rem;
      width: 0;
      height: 0;
      border-top: 0.3rem solid transparent;
      border-bottom: 0.3rem solid transparent;
      border-left: 0.46rem solid currentColor;
    }

    .sound-console.is-playing .sound-console__toggle-icon::before {
      left: 0.08rem;
      top: 0.04rem;
      width: 0.18rem;
      height: 0.64rem;
      border: 0;
      background: currentColor;
      box-shadow: 0.34rem 0 0 currentColor;
    }

    .sound-console__volume {
      grid-column: 2 / 4;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      align-items: center;
      gap: 0.7rem;
      min-width: 0;
      color: rgba(206, 232, 255, 0.62);
      font-size: 0.68rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
    }

    .sound-console__volume input {
      width: 100%;
      min-width: 0;
      accent-color: #69ddff;
      cursor: pointer;
    }

    .works-stage {
      --deck-height: min(50vh, 500px);
      --copy-height: 13.75rem;
      position: absolute;
      left: 50%;
      top: 58%;
      width: min(88vw, 1180px);
      height: calc(var(--deck-height) + var(--copy-height));
      transform: translate(-50%, -50%) scale(0.97);
      opacity: 0;
      pointer-events: none;
      transition: opacity 360ms ease, transform 540ms cubic-bezier(0.18, 1, 0.22, 1);
    }

    body.is-works-open .works-stage,
    body.is-works-leaving .works-stage {
      opacity: 1;
      pointer-events: auto;
      transform: translate(-50%, -50%) scale(1);
    }

    .works-stage::before {
      content: "";
      position: absolute;
      left: 8%;
      right: 8%;
      top: 1rem;
      height: calc(var(--deck-height) - 2rem);
      background:
        radial-gradient(circle at 50% 26%, rgba(234, 245, 255, 0.2), transparent 18%),
        radial-gradient(circle at 50% 60%, rgba(98, 154, 220, 0.12), transparent 44%);
      filter: blur(8px);
      pointer-events: none;
    }

    .works-deck {
      position: absolute;
      inset: 0 0 auto;
      height: var(--deck-height);
      touch-action: pan-y;
      user-select: none;
      cursor: grab;
      will-change: transform;
    }

    .works-deck.is-instant .work-card {
      transition: none !important;
    }

    .works-deck.is-dragging {
      cursor: grabbing;
    }

    .works-deck.is-dragging .work-card {
      transition: none !important;
      filter: none !important;
    }

    .work-card {
      position: absolute;
      left: 50%;
      top: 0;
      width: clamp(235px, 17vw, 300px);
      aspect-ratio: 0.72;
      border: 0;
      padding: 0;
      overflow: hidden;
      border-radius: 34px;
      background-color: transparent;
      background-image: none;
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
      box-shadow: 0 24px 55px rgba(0, 0, 0, 0.3);
      opacity: 0;
      filter: blur(0px);
      transform: translate3d(calc(-50% + var(--x, 0px) - 260px), calc(var(--y, 0px) + 10px), 0) scale(calc(var(--scale, 1) * 0.88)) rotate(calc(var(--rotate, 0deg) - 2deg));
      transform-origin: center bottom;
      backface-visibility: hidden;
      will-change: transform, opacity, filter;
      transition:
        transform 380ms cubic-bezier(0.18, 1, 0.22, 1),
        opacity 260ms ease,
        filter 260ms ease,
        box-shadow 240ms ease;
      transition-delay: 0ms;
    }

    body.is-works-open .work-card {
      opacity: var(--opacity, 0);
      filter: blur(var(--blur, 0px));
      transform: translate3d(calc(-50% + var(--x, 0px)), var(--y, 0px), 0) scale(var(--scale, 1)) rotate(var(--rotate, 0deg));
      z-index: var(--z, 1);
    }

    body.is-works-opening .work-card {
      transition-delay: var(--delay, 0ms);
    }

    body.is-works-leaving .work-card {
      opacity: 0;
      filter: blur(calc(var(--blur, 0px) + 1.5px));
      transform: translate3d(calc(-50% + var(--x, 0px) + 260px), calc(var(--y, 0px) - 8px), 0) scale(calc(var(--scale, 1) * 0.92)) rotate(calc(var(--rotate, 0deg) + 2deg));
      z-index: var(--z, 1);
    }

    .work-card.is-active {
      box-shadow: 0 34px 72px rgba(0, 0, 0, 0.38);
    }

    .work-card::before {
      content: none;
    }

    .work-card::after {
      content: none;
    }

    .works-copy {
      position: absolute;
      left: 50%;
      bottom: 0;
      z-index: 2;
      width: min(42rem, calc(100% - 2rem));
      min-height: var(--copy-height);
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      opacity: 0;
      transform: translate(-50%, 18px);
      transition: opacity 320ms ease 100ms, transform 420ms ease 100ms;
    }

    body.is-works-open .works-copy {
      opacity: 1;
      transform: translate(-50%, 0);
    }

    body.is-works-opening .works-copy {
      transition-delay: 180ms;
    }

    body.is-works-leaving .works-copy {
      opacity: 0;
      transform: translate(-50%, 18px);
    }

    .works-copy__eyebrow {
      margin: 0;
      color: var(--accent);
      font-size: 0.92rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
    }

    .works-copy__title {
      margin: 0.65rem 0 0;
      color: var(--accent-strong);
      font-family: "Cinzel", "Noto Serif TC", "PMingLiU", serif;
      font-size: clamp(1.9rem, 3vw, 2.65rem);
      line-height: 1.1;
      text-transform: uppercase;
    }

    .works-copy__text {
      margin: 0.9rem 0 0;
      color: var(--text-soft);
      font-size: 1.02rem;
      line-height: 1.76;
    }

    .works-copy__meta {
      margin: 1rem 0 0;
      color: rgba(243, 249, 255, 0.56);
      font-size: 0.92rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    .artwork-stage {
      position: absolute;
      left: 54%;
      top: clamp(7.2rem, 10vh, 8.4rem);
      z-index: 2;
      width: min(76rem, calc(100vw - 12rem));
      opacity: 0;
      pointer-events: none;
      transform: translateX(-50%) scale(0.97);
      transform-origin: top center;
      transition: opacity 360ms ease, transform 520ms cubic-bezier(0.18, 1, 0.22, 1);
    }

    body.is-artwork-open .artwork-stage {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) scale(1);
    }

    .artwork-stage::before {
      content: "";
      position: absolute;
      left: 52%;
      top: 44%;
      width: min(48rem, 58vw);
      height: min(30rem, 38vw);
      transform: translate(-50%, -50%);
      background:
        radial-gradient(circle at 34% 32%, rgba(218, 239, 255, 0.14), transparent 32%),
        radial-gradient(circle at 68% 62%, rgba(112, 171, 230, 0.11), transparent 54%);
      filter: blur(18px);
      pointer-events: none;
    }

    .artwork {
      --artwork-ratio: 5 / 6;
      position: relative;
      z-index: 1;
      width: 100%;
      color: rgba(243, 249, 255, 0.86);
      text-align: left;
    }

    .artwork__eyebrow {
      margin: 0;
      color: var(--accent);
      font-size: 0.92rem;
      letter-spacing: 0.28em;
      text-transform: uppercase;
    }

    .artwork__title {
      margin: 0.8rem 0 0;
      color: var(--accent-strong);
      font-family: "Cinzel", "Noto Serif TC", "PMingLiU", serif;
      font-size: clamp(2.1rem, 3.8vw, 3.1rem);
      line-height: 1.06;
      text-transform: uppercase;
    }

    .artwork__intro {
      max-width: 38rem;
      margin: 0.95rem 0 0;
      color: var(--text-soft);
      font-size: 1.03rem;
      line-height: 1.72;
    }

    .artwork__portal-layout {
      margin-top: 2rem;
    }

    .artwork__grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      align-items: start;
      gap: 1.4rem 0.95rem;
      margin-top: 0;
    }

    .artwork-card {
      position: relative;
      display: block;
      min-height: 0;
      min-width: 0;
      padding: 0;
      border: 0;
      background: none;
      color: inherit;
      text-align: left;
      cursor: pointer;
    }

    .artwork-card__image {
      display: block;
      width: 100%;
      position: relative;
      aspect-ratio: var(--artwork-ratio);
      min-height: 0;
      overflow: hidden;
      border-radius: 24px;
      border: 1px solid rgba(208, 232, 255, 0.28);
      background: rgba(5, 14, 34, 0.42);
      box-shadow: 0 24px 58px rgba(0, 0, 0, 0.25);
      transition: transform 260ms ease, border-color 260ms ease, box-shadow 260ms ease, background-color 260ms ease;
    }

    .artwork-card__image img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: contain;
      object-position: center;
    }

    .artwork-card__content {
      display: block;
      margin-top: 0.82rem;
    }

    .artwork-card__type {
      display: block;
      margin: 0;
      color: rgba(208, 232, 255, 0.82);
      font-size: 0.74rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
    }

    .artwork-card__title {
      display: block;
      margin: 0.24rem 0 0;
      color: var(--accent-strong);
      font-size: 1.25rem;
      line-height: 1.05;
      letter-spacing: 0.02em;
    }

    .artwork-card:hover .artwork-card__image,
    .artwork-card:focus-visible .artwork-card__image,
    .artwork-card.is-selected .artwork-card__image {
      border-color: rgba(112, 190, 255, 0.62);
      background: rgba(9, 24, 54, 0.52);
      box-shadow: 0 28px 64px rgba(0, 0, 0, 0.32), 0 0 0 1px rgba(112, 190, 255, 0.18);
      transform: translateY(-4px);
    }

    .artwork-card:focus-visible {
      outline: none;
    }

    .artwork-card.is-selected .artwork-card__type,
    .artwork-card.is-selected .artwork-card__title {
      color: rgba(247, 251, 255, 0.96);
    }

    .atlas-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      grid-template-areas:
        "eyebrow action"
        "title action";
      column-gap: 1.4rem;
      row-gap: 0.28rem;
      align-items: center;
      margin-top: 1.2rem;
      padding-top: 1rem;
      border-top: 1px solid rgba(126, 187, 243, 0.22);
    }

    .atlas-panel__eyebrow {
      grid-area: eyebrow;
      margin: 0;
      color: var(--accent);
      font-size: 0.75rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
    }

    .atlas-panel__title {
      grid-area: title;
      margin: 0;
      color: var(--accent-strong);
      font-size: 1.5rem;
      line-height: 1.08;
    }

    .atlas-panel__action {
      grid-area: action;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 12rem;
      min-height: 3rem;
      padding: 0.72rem 1.35rem;
      border-radius: 999px;
      border: 0;
      background: linear-gradient(120deg, rgba(88, 188, 255, 0.92), rgba(23, 87, 218, 0.92));
      color: #f8fbff;
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      text-decoration: none;
      box-shadow: 0 10px 24px rgba(38, 108, 220, 0.26);
      transition: transform 220ms ease, box-shadow 220ms ease, opacity 220ms ease;
    }

    .atlas-panel__action:hover,
    .atlas-panel__action:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 14px 30px rgba(38, 108, 220, 0.32);
    }

    .atlas-panel__action:focus-visible {
      outline: none;
    }

    .atlas-panel__action.is-disabled {
      background: rgba(16, 37, 71, 0.72);
      color: rgba(243, 249, 255, 0.52);
      box-shadow: none;
      pointer-events: none;
    }

    @media (max-width: 1080px) {
      .atlas-panel {
        grid-template-columns: 1fr;
        grid-template-areas:
          "eyebrow"
          "title"
          "action";
        row-gap: 0.42rem;
      }
    }

    @media (max-width: 820px) {
      .artwork {
        --artwork-ratio: 5 / 4;
      }

      .artwork__portal-layout {
        margin-top: 1.45rem;
      }

      .artwork-card__image {
        border-radius: 20px;
      }

      .atlas-panel {
        padding: 1rem;
        border-radius: 20px;
      }
    }

    .devlog-stage {
      position: absolute;
      left: 53%;
      top: clamp(6.2rem, 11.5vh, 8.6rem);
      z-index: 2;
      width: min(68rem, calc(100vw - 7.5rem));
      opacity: 0;
      pointer-events: none;
      transform: translateX(-50%) scale(0.97);
      transform-origin: top center;
      transition: opacity 360ms ease, transform 520ms cubic-bezier(0.18, 1, 0.22, 1), width 320ms ease, left 320ms ease, top 320ms ease;
    }

    body.is-devlog-open .devlog-stage {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) scale(1);
    }

    .about-stage {
      position: absolute;
      left: 50%;
      top: clamp(10.8rem, 21vh, 13.2rem);
      z-index: 2;
      width: min(58rem, calc(100vw - 10rem));
      opacity: 0;
      pointer-events: none;
      transform: translateX(-50%) scale(0.97);
      transform-origin: top center;
      transition: opacity 360ms ease, transform 520ms cubic-bezier(0.18, 1, 0.22, 1);
    }

    body.is-about-open .about-stage {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) scale(1);
    }

    .about-stage::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 32%;
      width: min(24rem, 32vw);
      height: min(14rem, 20vw);
      transform: translate(-50%, -50%);
      background:
        radial-gradient(circle, rgba(196, 230, 255, 0.08), transparent 68%),
        radial-gradient(circle at 50% 60%, rgba(83, 152, 224, 0.1), transparent 72%);
      filter: blur(24px);
      pointer-events: none;
    }

    .about {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      gap: clamp(1.8rem, 2.6vw, 2.25rem);
      max-width: 50rem;
      margin: 0 auto;
      width: 100%;
      color: rgba(243, 249, 255, 0.88);
      text-align: center;
    }

    .about__panel {
      position: relative;
      padding: 0;
      border: 0;
      border-radius: 0;
      background: none;
      box-shadow: none;
      backdrop-filter: none;
      overflow: visible;
    }

    .about__panel::before {
      content: none;
    }

    .about__panel--profile {
      display: flex;
      flex-direction: column;
      gap: 0;
      max-width: 42rem;
      margin: 0 auto;
      align-items: center;
    }

    .about__portrait {
      position: relative;
      width: clamp(8.2rem, 10.2vw, 9.5rem);
      aspect-ratio: 1;
      margin: 0;
      overflow: hidden;
      border: 1px solid rgba(116, 224, 255, 0.12);
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 14%, rgba(217, 238, 255, 0.08), transparent 32%),
        linear-gradient(180deg, rgba(9, 46, 87, 0.24), rgba(2, 11, 26, 0.72));
      box-shadow:
        inset 0 1px 0 rgba(225, 244, 255, 0.05),
        0 10px 22px rgba(0, 0, 0, 0.16),
        0 0 14px rgba(18, 135, 255, 0.06);
    }

    .about__portrait--compact {
      width: clamp(8.8rem, 11.4vw, 10rem);
      margin-bottom: 1.35rem;
    }

    .about__portrait::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 18%;
      background: linear-gradient(180deg, rgba(2, 11, 26, 0), rgba(2, 11, 26, 0.34));
      pointer-events: none;
    }

    .about__portrait-image {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center 9%;
      transform: scale(2.12);
      transform-origin: center top;
      filter:
        saturate(1.02)
        drop-shadow(0 8px 12px rgba(0, 0, 0, 0.12));
      user-select: none;
      -webkit-user-drag: none;
    }

    .about__eyebrow {
      margin: 0;
      color: var(--accent);
      font-size: 0.72rem;
      letter-spacing: 0.34em;
      text-transform: uppercase;
    }

    .about__body,
    .about__note {
      margin: 0.8rem auto 0;
      color: var(--text-soft);
      max-width: 40rem;
      font-size: 1.04rem;
      line-height: 1.76;
    }

    .about__body + .about__body {
      margin-top: 0.88rem;
    }

    .about__section-title {
      position: static;
      width: auto;
      max-width: none;
      margin: 0 auto;
      padding-top: 0;
      color: var(--accent-strong);
      font-size: 1.4rem;
      font-weight: 700;
      letter-spacing: 0.02em;
    }

    .about__section-title::before {
      content: none;
    }

    .about__route-note {
      margin: 1.8rem auto 0;
      color: rgba(243, 249, 255, 0.56);
      width: 100%;
      max-width: 40rem;
      font-size: 0.84rem;
      line-height: 1.76;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .about__services-head {
      margin: 0 auto 1.15rem;
      max-width: 40rem;
      padding-top: 1.45rem;
      border-top: 1px solid rgba(116, 224, 255, 0.18);
    }

    .service-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.15rem;
      max-width: 46rem;
      margin: 0 auto;
    }

    .service-card {
      min-height: 0;
      padding: 0.2rem 0.45rem;
      border: 0;
      border-radius: 0;
      background: none;
      box-shadow: none;
      text-align: left;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: flex-start;
      gap: 0.9rem;
    }

    .service-card + .service-card {
      margin-top: 0;
      padding-top: 0.15rem;
      border-top: 0;
    }

    .service-card__title {
      margin: 0;
      color: var(--accent-strong);
      font-size: 1.14rem;
      line-height: 1.32;
      letter-spacing: 0.02em;
      text-align: left;
    }

    .service-card__body {
      margin: 0;
      color: rgba(225, 238, 250, 0.68);
      font-size: 0.98rem;
      line-height: 1.88;
      max-width: none;
    }

    .tools-stage {
      position: absolute;
      left: 53%;
      top: clamp(7.4rem, 10vh, 8.6rem);
      z-index: 2;
      width: min(72rem, calc(100vw - 12rem));
      opacity: 0;
      pointer-events: none;
      transform: translateX(-50%) scale(0.97);
      transform-origin: top center;
      transition: opacity 360ms ease, transform 520ms cubic-bezier(0.18, 1, 0.22, 1);
    }

    body.is-tools-open .tools-stage {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) scale(1);
    }

    .tools-stage::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 40%;
      width: min(44rem, 58vw);
      height: min(28rem, 38vw);
      transform: translate(-50%, -50%);
      background: radial-gradient(circle, rgba(206, 231, 255, 0.1), transparent 70%);
      filter: blur(16px);
      pointer-events: none;
    }

    .tools {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: none;
      margin: 0;
      color: rgba(243, 249, 255, 0.86);
      text-align: left;
    }

    .tools__eyebrow {
      margin: 0;
      color: var(--accent);
      font-size: 0.92rem;
      letter-spacing: 0.28em;
      text-transform: uppercase;
    }

    .tools__title {
      margin: 0.8rem 0 0;
      color: var(--accent-strong);
      font-family: "Cinzel", "Noto Serif TC", "PMingLiU", serif;
      font-size: clamp(2rem, 3.5vw, 2.9rem);
      line-height: 1.08;
      text-transform: uppercase;
    }

    .tools__intro,
    .tools__note {
      margin: 1rem 0 0;
      color: var(--text-soft);
      font-size: 1.03rem;
      line-height: 1.72;
      max-width: 44rem;
    }

    .tools__note {
      margin-top: 0.7rem;
      color: rgba(243, 249, 255, 0.52);
      font-size: 0.9rem;
    }

    .tools__list {
      margin: 2rem 0 0;
      position: relative;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1.9rem 5.6rem;
    }

    .tools__list::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 0.25rem;
      bottom: 0.25rem;
      width: 1px;
      background: linear-gradient(
        180deg,
        rgba(158, 211, 255, 0),
        rgba(158, 211, 255, 0.24) 12%,
        rgba(158, 211, 255, 0.24) 88%,
        rgba(158, 211, 255, 0)
      );
      transform: translateX(-50%);
      pointer-events: none;
    }

    .tool-entry {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      align-items: start;
      gap: 0.85rem 0.95rem;
      padding: 0.7rem 0.1rem 0.95rem;
    }

    .tool-entry__icon {
      width: 4.35rem;
      aspect-ratio: 1;
      border-radius: 1.15rem;
      display: grid;
      place-items: center;
      background:
        radial-gradient(circle at 50% 24%, rgba(255, 255, 255, 0.2), transparent 24%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(4, 10, 18, 0.26) 48%, rgba(4, 10, 18, 0.86)),
        linear-gradient(145deg, var(--tool-a, #86c3ff), var(--tool-b, #2f71ba) 58%, var(--tool-c, #081120));
      box-shadow: 0 18px 36px rgba(0, 0, 0, 0.24);
      overflow: hidden;
      flex-shrink: 0;
    }

    .tool-entry__icon span {
      color: var(--accent-strong);
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .tool-entry__content {
      min-width: 0;
    }

    .tool-entry__eyebrow {
      margin: 0 0 0.2rem;
      color: rgba(158, 211, 255, 0.92);
      font-size: 0.72rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
    }

    .tool-entry__title {
      margin: 0;
      color: var(--accent-strong);
      font-size: 1.15rem;
      letter-spacing: 0.03em;
    }

    .tool-entry__subtitle {
      margin: 0.18rem 0 0;
      color: rgba(243, 249, 255, 0.48);
      font-size: 0.84rem;
      line-height: 1.45;
    }

    .tool-entry__body {
      margin: 0.3rem 0 0;
      color: rgba(243, 249, 255, 0.76);
      font-size: 0.9rem;
      line-height: 1.5;
    }

    .tool-entry__meta {
      margin: 0.34rem 0 0;
      color: rgba(243, 249, 255, 0.5);
      font-size: 0.74rem;
      letter-spacing: 0.12em;
      line-height: 1.5;
      text-transform: uppercase;
    }

    .tool-entry__aside {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.8rem;
      min-width: 0;
      grid-column: 1 / -1;
      margin-top: 0.1rem;
      padding-left: calc(4.35rem + 0.95rem);
    }

    .tool-entry__version {
      margin: 0;
      color: rgba(243, 249, 255, 0.48);
      font-size: 0.8rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .tool-entry__actions {
      display: flex;
      flex-direction: row;
      flex-wrap: wrap;
      align-items: center;
      justify-content: flex-end;
      gap: 0.65rem;
    }

    .tool-entry__action {
      border: 0;
      min-width: 7.4rem;
      padding: 0.68rem 0.92rem;
      border-radius: 999px;
      background:
        linear-gradient(135deg, rgba(61, 178, 255, 0.22), rgba(12, 82, 165, 0.2) 44%, rgba(2, 12, 28, 0.58)),
        rgba(3, 14, 32, 0.56);
      color: var(--accent-strong);
      font: inherit;
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      cursor: pointer;
      transition: transform 160ms ease, filter 160ms ease, background 160ms ease;
    }

    .tool-entry__action:hover,
    .tool-entry__action:focus-visible {
      transform: translateY(-2px);
      filter: brightness(1.05);
      outline: none;
    }

    .tool-entry__action--ghost {
      min-width: auto;
      padding: 0;
      background: none;
      color: rgba(112, 204, 255, 0.72);
      box-shadow: none;
    }

    .ambient-modal {
      position: fixed;
      inset: 0;
      z-index: 12;
      display: grid;
      place-items: center;
      padding: 1.4rem;
      opacity: 0;
      pointer-events: none;
      overflow: hidden;
      isolation: isolate;
      transition: opacity 260ms ease;
    }

    body.is-ambient-modal-open .ambient-modal {
      opacity: 1;
      pointer-events: auto;
    }

    .ambient-modal__backdrop {
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 50% 45%, rgba(110, 214, 255, 0.22), transparent 18%),
        radial-gradient(circle at 50% 45%, rgba(45, 144, 255, 0.18), transparent 34%),
        linear-gradient(180deg, rgba(0, 5, 14, 0.86), rgba(0, 6, 18, 0.96));
      backdrop-filter: blur(18px);
      transition: opacity 520ms ease, transform 520ms ease;
    }

    body.is-ambient-modal-leaving .ambient-modal__backdrop {
      opacity: 0;
      transform: scale(1.04);
    }

    .ambient-modal__card {
      position: relative;
      z-index: 1;
      width: min(38rem, calc(100vw - 2.5rem));
      padding: clamp(1.8rem, 5vw, 2.8rem) clamp(1rem, 4vw, 2rem) 1.2rem;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      overflow: visible;
      opacity: 1;
      filter: none;
      transform: none;
      transition: none;
    }

    .ambient-modal__card > :not(.ambient-modal__pulse):not(.ambient-modal__character) {
      position: relative;
      z-index: 1;
    }

    body.is-ambient-modal-leaving .ambient-modal__card {
      animation: ambientIntroBlow 720ms cubic-bezier(0.4, 0, 1, 1) forwards;
    }

    .ambient-modal__pulse {
      position: absolute;
      left: 50%;
      top: 47%;
      width: min(54vw, 28rem);
      aspect-ratio: 1;
      border-radius: 50%;
      transform: translate(-50%, -50%);
      background:
        radial-gradient(circle, rgba(181, 238, 255, 0.24) 0%, rgba(86, 195, 255, 0.12) 28%, rgba(0, 0, 0, 0) 72%);
      filter: blur(6px);
      opacity: 0.72;
      pointer-events: none;
      animation: ambientIntroPulse 3.8s ease-in-out infinite;
    }

    .ambient-modal__pulse::before,
    .ambient-modal__pulse::after {
      content: "";
      position: absolute;
      inset: 12%;
      border-radius: 50%;
      border: 1px solid rgba(173, 236, 255, 0.22);
    }

    .ambient-modal__pulse::after {
      inset: 0;
      border-color: rgba(84, 194, 255, 0.1);
    }

    .ambient-modal__character {
      position: relative;
      width: min(20rem, 46vw);
      margin: 0 auto 1.1rem;
      pointer-events: none;
      z-index: 0;
      opacity: 0.7;
      mask-image: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.18) 22%,
        rgba(0, 0, 0, 1) 48%,
        rgba(0, 0, 0, 1) 100%
      );
      -webkit-mask-image: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.18) 22%,
        rgba(0, 0, 0, 1) 48%,
        rgba(0, 0, 0, 1) 100%
      );
    }

    .ambient-modal__character-image {
      display: block;
      width: 100%;
      height: auto;
      filter:
        drop-shadow(0 24px 34px rgba(0, 0, 0, 0.4))
        drop-shadow(0 0 28px rgba(81, 195, 255, 0.08));
      transform: translate3d(0, 1.8rem, 0) scale(0.9);
      opacity: 0;
    }

    body.is-ambient-modal-open .ambient-modal__character-image {
      animation: ambientIntroStationIn 980ms 120ms cubic-bezier(0.18, 1, 0.22, 1) forwards;
    }

    body.is-ambient-modal-leaving .ambient-modal__character-image {
      animation: ambientIntroStationOut 620ms cubic-bezier(0.4, 0, 1, 1) forwards;
    }

    .ambient-modal__eyebrow {
      margin: 0;
      color: var(--accent);
      font-size: 0.76rem;
      font-weight: 700;
      letter-spacing: 0.34em;
      text-transform: uppercase;
      text-shadow: 0 0 18px rgba(72, 193, 255, 0.32);
      opacity: 0;
      transform: translate3d(0, 1rem, 0);
      filter: blur(8px);
    }

    .ambient-modal__title {
      margin: 0.2rem 0 0;
      display: flex;
      flex-direction: column;
      gap: 0.82rem;
      align-items: center;
      text-shadow: 0 0 28px rgba(0, 8, 18, 0.42);
      opacity: 0;
      transform: translate3d(0, 1rem, 0);
      filter: blur(8px);
    }

    .ambient-modal__title-kicker {
      color: rgba(230, 245, 255, 0.82);
      font-size: clamp(0.95rem, 2vw, 1.25rem);
      font-weight: 600;
      letter-spacing: 0.34em;
      text-transform: uppercase;
    }

    .ambient-modal__title-main {
      color: var(--accent-strong);
      font-family: "Cinzel", "Noto Serif TC", "PMingLiU", serif;
      font-size: clamp(2.65rem, 8vw, 5rem);
      line-height: 0.92;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-shadow:
        0 0 24px rgba(108, 214, 255, 0.12),
        0 18px 40px rgba(0, 0, 0, 0.34);
    }

    .ambient-modal__body {
      margin: 1rem 0 0;
      max-width: 31rem;
      color: rgba(243, 249, 255, 0.78);
      font-size: 1.02rem;
      line-height: 1.76;
      text-shadow: 0 0 22px rgba(7, 20, 40, 0.28);
      opacity: 0;
      transform: translate3d(0, 1rem, 0);
      filter: blur(8px);
    }

    .ambient-modal__hint {
      margin: 0.72rem 0 0;
      color: rgba(190, 225, 255, 0.62);
      font-size: 0.88rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      opacity: 0;
      transform: translate3d(0, 1rem, 0);
      filter: blur(8px);
    }

    .ambient-modal__actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 0.75rem;
      margin-top: 1.55rem;
      opacity: 0;
      transform: translate3d(0, 1rem, 0);
      filter: blur(8px);
    }

    body.is-ambient-modal-open .ambient-modal__eyebrow {
      animation: ambientIntroCopyIn 620ms 560ms cubic-bezier(0.18, 1, 0.22, 1) forwards;
    }

    body.is-ambient-modal-open .ambient-modal__title {
      animation: ambientIntroCopyIn 700ms 660ms cubic-bezier(0.18, 1, 0.22, 1) forwards;
    }

    body.is-ambient-modal-open .ambient-modal__body {
      animation: ambientIntroCopyIn 700ms 800ms cubic-bezier(0.18, 1, 0.22, 1) forwards;
    }

    body.is-ambient-modal-open .ambient-modal__hint {
      animation: ambientIntroCopyIn 700ms 920ms cubic-bezier(0.18, 1, 0.22, 1) forwards;
    }

    body.is-ambient-modal-open .ambient-modal__actions {
      animation: ambientIntroCopyIn 680ms 1040ms cubic-bezier(0.18, 1, 0.22, 1) forwards;
    }

    .ambient-modal__action {
      position: relative;
      min-width: 0;
      padding: 0.3rem 1.35rem 0.78rem;
      border: 0;
      border-radius: 0;
      background: none;
      color: #f3fbff;
      font: inherit;
      font-size: 0.92rem;
      font-weight: 700;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      cursor: pointer;
      text-shadow:
        0 0 14px rgba(81, 195, 255, 0.22),
        0 0 28px rgba(17, 129, 255, 0.16);
      box-shadow: none;
      transition: transform 160ms ease, opacity 160ms ease, color 160ms ease;
    }

    .ambient-modal__action::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 1px;
      background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(124, 220, 255, 0.46) 16%,
        rgba(124, 220, 255, 0.96) 50%,
        rgba(124, 220, 255, 0.46) 84%,
        transparent 100%
      );
      box-shadow: 0 0 16px rgba(54, 183, 255, 0.28);
      transform-origin: center;
      transition: transform 160ms ease, opacity 160ms ease;
    }

    .ambient-modal__action::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: -0.2rem;
      width: 0.38rem;
      height: 0.38rem;
      border-radius: 50%;
      background: rgba(150, 229, 255, 0.95);
      box-shadow:
        0 0 14px rgba(61, 186, 255, 0.72),
        0 0 24px rgba(61, 186, 255, 0.34);
      transform: translateX(-50%);
      transition: transform 160ms ease, opacity 160ms ease;
    }

    .ambient-modal__action[aria-busy="true"] {
      cursor: progress;
      opacity: 0.74;
    }

    .ambient-modal__action:hover,
    .ambient-modal__action:focus-visible {
      transform: translateY(-2px);
      color: #ffffff;
      outline: none;
    }

    .ambient-modal__action:hover::before,
    .ambient-modal__action:focus-visible::before {
      transform: scaleX(1.08);
    }

    .ambient-modal__action:hover::after,
    .ambient-modal__action:focus-visible::after {
      transform: translateX(-50%) scale(1.18);
    }

    @keyframes ambientIntroPulse {
      0%,
      100% {
        opacity: 0.54;
        transform: translate(-50%, -50%) scale(0.92);
      }

      50% {
        opacity: 0.96;
        transform: translate(-50%, -50%) scale(1.08);
      }
    }

    @keyframes ambientIntroStationIn {
      from {
        opacity: 0;
        transform: translate3d(0, 2rem, 0) scale(0.88);
        filter:
          drop-shadow(0 14px 18px rgba(0, 0, 0, 0.18))
          drop-shadow(0 0 18px rgba(81, 195, 255, 0));
      }

      to {
        opacity: 0.7;
        transform: translate3d(0, 0, 0) scale(1);
        filter:
          drop-shadow(0 24px 34px rgba(0, 0, 0, 0.4))
          drop-shadow(0 0 28px rgba(81, 195, 255, 0.08));
      }
    }

    @keyframes ambientIntroStationOut {
      from {
        opacity: 0.7;
        transform: translate3d(0, 0, 0) scale(1);
      }

      to {
        opacity: 0;
        transform: translate3d(0, -1.2rem, 0) scale(1.08);
      }
    }

    @keyframes ambientIntroCopyIn {
      from {
        opacity: 0;
        transform: translate3d(0, 1rem, 0);
        filter: blur(8px);
      }

      to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
        filter: none;
      }
    }

    @keyframes ambientIntroBlow {
      from {
        opacity: 1;
        filter: blur(0);
        transform: scale(1);
      }

      to {
        opacity: 0;
        filter: blur(18px);
        transform: scale(1.68);
      }
    }

    .tool-modal {
      position: fixed;
      inset: 0;
      z-index: 5;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 1.4rem;
      opacity: 0;
      pointer-events: none;
      transition: opacity 200ms ease;
    }

    body.is-tool-modal-open .tool-modal {
      opacity: 1;
      pointer-events: auto;
    }

    .tool-modal__backdrop {
      position: absolute;
      inset: 0;
      background: rgba(4, 10, 18, 0.74);
      backdrop-filter: blur(14px);
    }

    .tool-modal__card {
      position: relative;
      z-index: 1;
      width: min(34rem, calc(100vw - 2rem));
      padding: 1.45rem 1.45rem 1.35rem;
      border-radius: 1.5rem;
      background:
        linear-gradient(145deg, rgba(222, 239, 255, 0.14), rgba(88, 130, 188, 0.14) 42%, rgba(5, 12, 24, 0.88)),
        rgba(5, 12, 24, 0.96);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
      transform: translateY(18px) scale(0.98);
      transition: transform 260ms cubic-bezier(0.18, 1, 0.22, 1);
    }

    body.is-tool-modal-open .tool-modal__card {
      transform: translateY(0) scale(1);
    }

    .tool-modal__close {
      display: flex;
      align-items: center;
      justify-content: center;
      margin-left: auto;
      border: 0;
      padding: 0.5rem 0.8rem;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      color: rgba(243, 249, 255, 0.86);
      font: inherit;
      font-size: 0.76rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      cursor: pointer;
      transition: transform 160ms ease, background 160ms ease;
    }

    .tool-modal__close:hover,
    .tool-modal__close:focus-visible {
      transform: translateY(-1px);
      background: rgba(255, 255, 255, 0.12);
      outline: none;
    }

    .tool-modal__eyebrow {
      margin: 1rem 0 0;
      color: var(--accent);
      font-size: 0.82rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
    }

    .tool-modal__title {
      margin: 0.7rem 0 0;
      color: var(--accent-strong);
      font-family: "Cinzel", "Noto Serif TC", "PMingLiU", serif;
      font-size: clamp(1.6rem, 4vw, 2.15rem);
      line-height: 1.1;
      text-transform: uppercase;
    }

    .tool-modal__body,
    .tool-modal__meta {
      margin: 0.95rem 0 0;
      color: rgba(243, 249, 255, 0.78);
      font-size: 0.98rem;
      line-height: 1.72;
      white-space: pre-line;
    }

    .tool-modal__meta {
      color: rgba(243, 249, 255, 0.56);
      font-size: 0.88rem;
    }

    @media (max-width: 960px) {
      .tools__list {
        grid-template-columns: 1fr;
      }

      .tools__list::before {
        display: none;
      }
    }

    .devlog-stage::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 42%;
      width: min(34rem, 60vw);
      height: min(28rem, 44vw);
      transform: translate(-50%, -50%);
      background: radial-gradient(circle, rgba(206, 231, 255, 0.12), transparent 68%);
      filter: blur(18px);
      pointer-events: none;
    }

    .devlog {
      position: relative;
      z-index: 1;
      max-width: 64rem;
      margin: 0 auto;
      width: 100%;
      color: rgba(243, 249, 255, 0.86);
      text-align: left;
    }

    .devlog__layout {
      display: grid;
      grid-template-columns: minmax(11rem, 14rem) minmax(0, 1fr);
      gap: clamp(2rem, 4vw, 4rem);
      align-items: start;
    }

    .devlog__index {
      position: sticky;
      top: 0.5rem;
      align-self: start;
      min-width: 0;
      padding-top: 0.3rem;
    }

    .devlog__index-label {
      margin: 0;
      color: rgba(146, 209, 255, 0.78);
      font-size: 0.72rem;
      letter-spacing: 0.34em;
      text-transform: uppercase;
    }

    .devlog__index-list {
      display: grid;
      gap: 0.55rem;
      margin-top: 1rem;
    }

    .devlog-index__item {
      position: relative;
      display: grid;
      gap: 0.16rem;
      width: 100%;
      padding: 0.2rem 0 0.2rem 1rem;
      border: 0;
      background: none;
      color: rgba(243, 249, 255, 0.5);
      text-align: left;
      cursor: pointer;
      transition: transform 180ms ease, color 180ms ease, opacity 180ms ease;
    }

    .devlog-index__item::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.72rem;
      width: 0.42rem;
      height: 1px;
      background: rgba(122, 194, 255, 0.42);
      box-shadow: 0 0 10px rgba(82, 190, 255, 0.2);
      transition: width 180ms ease, background 180ms ease, box-shadow 180ms ease;
    }

    .devlog-index__item:hover,
    .devlog-index__item:focus-visible {
      color: rgba(243, 249, 255, 0.88);
      transform: translateX(4px);
      outline: none;
    }

    .devlog-index__item.is-active {
      color: var(--accent-strong);
      transform: translateX(8px);
      text-shadow: 0 0 18px rgba(79, 193, 255, 0.18);
    }

    .devlog-index__item.is-active::before {
      width: 0.8rem;
      background: rgba(170, 228, 255, 0.96);
      box-shadow: 0 0 14px rgba(79, 193, 255, 0.42);
    }

    .devlog-index__date {
      display: block;
      color: rgba(130, 199, 255, 0.82);
      font-size: 0.7rem;
      letter-spacing: 0.24em;
      text-transform: uppercase;
    }

    .devlog-index__title {
      display: block;
      color: inherit;
      font-size: 0.98rem;
      font-weight: 700;
      line-height: 1.3;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .devlog__content {
      min-width: 0;
      max-width: 43rem;
    }

    .devlog__eyebrow {
      margin: 0;
      color: var(--accent);
      font-size: 0.92rem;
      letter-spacing: 0.28em;
      text-transform: uppercase;
    }

    .devlog__title {
      margin: 0.8rem 0 0;
      color: var(--accent-strong);
      font-family: "Cinzel", "Noto Serif TC", "PMingLiU", serif;
      max-width: 12ch;
      font-size: clamp(2.2rem, 4vw, 3.6rem);
      line-height: 1.08;
      text-transform: uppercase;
    }

    .devlog__intro {
      margin: 1rem 0 0;
      color: var(--text-soft);
      font-size: 1.06rem;
      line-height: 1.72;
      max-width: 38rem;
    }

    .devlog__list {
      margin: 2.15rem 0 0;
      min-width: 0;
    }

    body.has-devlog-nav .devlog-entry {
      display: none;
    }

    body.has-devlog-nav .devlog-entry.is-active {
      display: block;
      animation: devlogEntryIn 360ms cubic-bezier(0.18, 1, 0.22, 1);
    }

    .devlog-entry {
      padding-left: 1.28rem;
      border-left: 1px solid rgba(158, 211, 255, 0.24);
    }

    .devlog-entry__date {
      display: block;
      margin: 0 0 0.35rem;
      color: rgba(158, 211, 255, 0.92);
      font-size: 0.84rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
    }

    .devlog-entry__title {
      margin: 0;
      color: var(--accent-strong);
      font-size: 1.24rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .devlog-entry__body {
      margin: 0.45rem 0 0;
      color: rgba(243, 249, 255, 0.76);
      font-size: 1rem;
      line-height: 1.68;
    }

    .devlog-entry__media {
      margin: 1rem 0 0;
      display: grid;
      gap: 0.65rem;
    }

    .devlog-entry__image-slot,
    .devlog-entry__audio-shell {
      position: relative;
      overflow: hidden;
      border-radius: 1.4rem;
      background:
        linear-gradient(135deg, rgba(214, 236, 255, 0.12), rgba(66, 107, 165, 0.12) 44%, rgba(6, 14, 27, 0.42)),
        rgba(6, 14, 27, 0.38);
      box-shadow: 0 20px 42px rgba(0, 0, 0, 0.18);
      backdrop-filter: blur(16px);
    }

    .devlog-entry__image-slot {
      min-height: 13rem;
    }

    .devlog-entry__image {
      display: none;
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .devlog-entry__image-slot.has-media .devlog-entry__image {
      display: block;
    }

    .devlog-entry__audio-shell {
      padding: 1rem 1rem 0.95rem;
    }

    .devlog-entry__audio {
      display: none;
      width: 100%;
      height: 2.75rem;
    }

    .devlog-entry__audio-shell.has-media .devlog-entry__audio {
      display: block;
    }

    .devlog-entry__media-placeholder {
      min-height: inherit;
      display: grid;
      place-items: center;
      gap: 0.35rem;
      padding: 1.3rem;
      text-align: center;
      color: rgba(243, 249, 255, 0.76);
    }

    .devlog-entry__image-slot.has-media .devlog-entry__media-placeholder,
    .devlog-entry__audio-shell.has-media .devlog-entry__media-placeholder {
      display: none;
    }

    .devlog-entry__media-placeholder strong {
      display: block;
      color: var(--accent-strong);
      font-size: 0.96rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
    }

    .devlog-entry__media-placeholder span {
      display: block;
      color: rgba(243, 249, 255, 0.56);
      font-size: 0.88rem;
      line-height: 1.55;
    }

    .devlog-entry__caption {
      margin: 0;
      color: rgba(243, 249, 255, 0.54);
      font-size: 0.88rem;
      line-height: 1.55;
    }

    @keyframes devlogEntryIn {
      from {
        opacity: 0;
        transform: translate3d(0, 0.85rem, 0);
      }

      to {
        opacity: 1;
        transform: none;
      }
    }

    @media (max-width: 1180px) {
      .devlog__layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }

      .devlog__index {
        position: relative;
        top: auto;
        padding-top: 0;
      }

      .devlog__index-list {
        grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
        gap: 0.75rem 1rem;
      }

      .devlog__content {
        max-width: none;
      }

      .devlog__title {
        max-width: none;
      }
    }

    @media (max-width: 820px) {
      .devlog__layout {
        gap: 0.9rem;
      }

      .devlog__index-label {
        font-size: 0.66rem;
        letter-spacing: 0.26em;
      }

      .devlog__index-list {
        display: flex;
        gap: 0.8rem;
        overflow-x: auto;
        margin-top: 0.78rem;
        padding-bottom: 0.16rem;
        scrollbar-width: none;
        -ms-overflow-style: none;
        scroll-snap-type: x proximity;
      }

      .devlog__index-list::-webkit-scrollbar {
        display: none;
      }

      .devlog-index__item {
        flex: 0 0 min(11.5rem, 58vw);
        gap: 0.08rem;
        padding: 0.08rem 0 0.08rem 0.82rem;
        scroll-snap-align: start;
      }

      .devlog-index__item::before {
        top: 0.6rem;
        width: 0.34rem;
      }

      .devlog-index__item.is-active {
        transform: translateX(5px);
      }

      .devlog-index__item.is-active::before {
        width: 0.62rem;
      }

      .devlog-index__date {
        font-size: 0.62rem;
        letter-spacing: 0.2em;
      }

      .devlog-index__title {
        font-size: 0.8rem;
        line-height: 1.15;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
      }

      .devlog__eyebrow {
        font-size: 0.76rem;
        letter-spacing: 0.24em;
      }

      .devlog__title {
        margin-top: 0.55rem;
        font-size: clamp(1.95rem, 10.2vw, 2.7rem);
        line-height: 0.98;
      }

      .devlog__intro {
        margin-top: 0.8rem;
        font-size: 0.98rem;
        line-height: 1.62;
      }

      .devlog__list {
        margin-top: 1.3rem;
      }

      .devlog-entry {
        padding-left: 0.95rem;
      }

      .devlog-entry__date {
        font-size: 0.72rem;
        letter-spacing: 0.18em;
      }

      .devlog-entry__title {
        font-size: 1.02rem;
        line-height: 1.28;
      }

      .devlog-entry__body {
        margin-top: 0.52rem;
        font-size: 0.95rem;
        line-height: 1.68;
      }

      .devlog-entry__media {
        margin-top: 0.9rem;
      }

      .devlog-entry__caption {
        font-size: 0.8rem;
        line-height: 1.5;
      }
    }

    .message-feed {
      position: absolute;
      right: var(--signal-rail-right);
      bottom: 10.2rem;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 0.8rem;
      width: var(--signal-rail-width);
      max-height: calc(100vh - 18rem);
      overflow: auto;
      padding-left: 0.35rem;
      opacity: 1;
      transform: none;
      transform-origin: right bottom;
      -ms-overflow-style: none;
      scrollbar-width: none;
      transition: opacity 240ms ease, transform 240ms ease, max-height 240ms ease, width 240ms ease, bottom 240ms ease, right 240ms ease;
    }

    body.is-works-open .message-feed,
    body.is-works-leaving .message-feed,
    body.is-artwork-open .message-feed,
    body.is-devlog-open .message-feed,
    body.is-about-open .message-feed,
    body.is-tools-open .message-feed {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transform: translateY(14px);
    }

    .message-feed::-webkit-scrollbar {
      display: none;
    }

    .message-note {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 0.85rem;
      align-items: center;
      width: 100%;
      min-height: 4.1rem;
      padding: 0.95rem 1.1rem;
      border-radius: 999px;
      background:
        linear-gradient(90deg, rgba(37, 138, 220, 0.18), rgba(8, 39, 78, 0.28) 44%, rgba(1, 8, 20, 0.66)),
        rgba(3, 14, 32, 0.68);
      box-shadow:
        inset 0 1px 0 rgba(198, 240, 255, 0.08),
        0 18px 36px rgba(0, 0, 0, 0.26),
        0 0 24px rgba(18, 135, 255, 0.12);
      backdrop-filter: blur(16px);
      animation: noteIn 360ms cubic-bezier(0.18, 1, 0.22, 1);
      transition: min-height 220ms ease, padding 220ms ease;
    }

    .message-note__spark {
      width: 0.7rem;
      height: 0.7rem;
      border-radius: 50%;
      background: linear-gradient(135deg, #e9fbff, #45d9ff 55%, #1187ff);
      box-shadow:
        0 0 16px rgba(75, 216, 255, 0.72),
        0 0 28px rgba(20, 145, 255, 0.45);
      flex-shrink: 0;
    }

    .message-note__body {
      min-width: 0;
    }

    .message-note__head {
      display: flex;
      align-items: baseline;
      gap: 0.65rem;
      min-width: 0;
      transition: gap 220ms ease;
    }

    .message-note__name {
      color: var(--accent-strong);
      font-size: 1.02rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      white-space: nowrap;
      transition: font-size 220ms ease;
    }

    .message-note__tag {
      color: rgba(243, 249, 255, 0.44);
      font-size: 0.78rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      white-space: nowrap;
      transition: font-size 220ms ease;
    }

    .message-note__text {
      margin-top: 0.2rem;
      color: var(--text-soft);
      font-size: 0.98rem;
      line-height: 1.35;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      transition: font-size 220ms ease;
    }

    .message-note__time {
      color: rgba(243, 249, 255, 0.44);
      font-size: 0.8rem;
      letter-spacing: 0.08em;
      white-space: nowrap;
      flex-shrink: 0;
      transition: font-size 220ms ease;
    }

    .contact-tray {
      position: absolute;
      right: var(--signal-rail-right);
      bottom: 2.6rem;
      z-index: 3;
      width: var(--signal-rail-width);
      opacity: 1;
      transform: none;
      pointer-events: auto;
      transition: opacity 240ms ease, transform 240ms ease, width 240ms ease, right 240ms ease, bottom 240ms ease;
    }

    body.is-works-open .contact-tray,
    body.is-works-leaving .contact-tray,
    body.is-artwork-open .contact-tray,
    body.is-devlog-open .contact-tray,
    body.is-about-open .contact-tray,
    body.is-tools-open .contact-tray {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transform: translateY(14px);
    }

    .contact-form {
      display: grid;
      grid-template-columns: minmax(8rem, 9.5rem) minmax(0, 1fr) auto;
      gap: 0.75rem;
      align-items: center;
      padding: 0.8rem;
      border-radius: 999px;
      border: 1px solid rgba(66, 181, 255, 0.34);
      background:
        linear-gradient(90deg, rgba(35, 137, 225, 0.16), rgba(7, 35, 72, 0.5) 44%, rgba(1, 8, 20, 0.76)),
        rgba(3, 14, 32, 0.72);
      box-shadow:
        inset 0 1px 0 rgba(198, 240, 255, 0.1),
        0 20px 42px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(18, 135, 255, 0.16);
      backdrop-filter: blur(18px);
      transition: grid-template-columns 260ms ease, gap 260ms ease, padding 260ms ease, border-radius 260ms ease;
    }

    .contact-form input {
      min-width: 0;
      width: 100%;
      border: 1px solid rgba(75, 177, 255, 0.18);
      background: rgba(2, 12, 28, 0.62);
      color: var(--accent-strong);
      font: inherit;
      font-size: 1rem;
      padding: 0.9rem 1rem;
      border-radius: 999px;
      outline: none;
      transition:
        width 260ms ease,
        max-width 260ms ease,
        padding 260ms ease,
        opacity 220ms ease,
        border-width 220ms ease,
        font-size 220ms ease,
        background 220ms ease,
        border-color 220ms ease;
    }

    .contact-form input::placeholder {
      color: rgba(168, 210, 248, 0.46);
    }

    .contact-form input:focus {
      background: rgba(7, 33, 69, 0.78);
      border-color: rgba(87, 201, 255, 0.45);
    }

    .contact-form button {
      border: 1px solid rgba(116, 224, 255, 0.72);
      background:
        linear-gradient(135deg, rgba(73, 194, 255, 0.98), rgba(17, 129, 255, 0.98) 55%, rgba(5, 55, 156, 0.96)),
        #137cff;
      color: #f3fbff;
      font: inherit;
      font-size: 0.96rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      padding: 0.95rem 1.25rem;
      border-radius: 999px;
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.32),
        inset 0 -1px 0 rgba(1, 25, 88, 0.34),
        0 0 24px rgba(39, 168, 255, 0.46);
      cursor: pointer;
      transition:
        width 260ms ease,
        padding 260ms ease,
        font-size 220ms ease,
        transform 160ms ease,
        filter 160ms ease,
        box-shadow 160ms ease;
    }

    .contact-form button:hover,
    .contact-form button:focus-visible {
      transform: translateY(-2px);
      filter: brightness(1.08);
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.42),
        inset 0 -1px 0 rgba(1, 25, 88, 0.28),
        0 0 34px rgba(53, 190, 255, 0.62);
      outline: none;
    }

    .hint {
      position: absolute;
      right: clamp(1.2rem, 2vw, 2rem);
      bottom: 1.2rem;
      z-index: 2;
      color: var(--text-dim);
      font-size: 0.82rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      opacity: 0;
      visibility: hidden;
      transform: translateY(0.35rem);
      transition: opacity 240ms ease, transform 240ms ease;
    }

    body.is-works-open .hint,
    body.is-works-leaving .hint {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    @media (min-width: 1081px) {
      .artwork-stage {
        max-height: calc(100vh - 7.25rem);
        overflow: auto;
        padding-right: 0.35rem;
        -ms-overflow-style: none;
        scrollbar-width: none;
      }

      .devlog-stage {
        max-height: calc(100vh - 7.25rem);
        overflow: auto;
        padding-right: 0.35rem;
        -ms-overflow-style: none;
        scrollbar-width: none;
      }

      .about-stage {
        top: clamp(6rem, 11.5vh, 8.4rem);
        width: min(62rem, calc(100vw - 7rem));
        bottom: auto;
        max-height: calc(100vh - 6.8rem);
        overflow: auto;
        padding-top: 0.4rem;
        padding-right: 0.35rem;
        padding-bottom: 0.35rem;
        -ms-overflow-style: none;
        scrollbar-width: none;
      }

      .about {
        max-width: 57rem;
        gap: clamp(1.15rem, 1.55vh, 1.55rem);
      }

      .about__panel--profile {
        max-width: 43rem;
        margin: 0 auto;
      }

      .about__body,
      .about__note {
        max-width: 41rem;
        font-size: 0.98rem;
        line-height: 1.62;
      }

      .about__portrait--compact {
        width: clamp(7.8rem, 9vw, 8.8rem);
        margin-bottom: 0.95rem;
        position: sticky;
        top: 0.55rem;
        z-index: 1;
      }

      .about__section-title {
        margin-top: 0;
      }

      .about__route-note {
        margin-top: 0.95rem;
        max-width: 44rem;
        font-size: 0.8rem;
        line-height: 1.66;
      }

      body[data-language="cn"] .about__body,
      body[data-language="cn"] .about__note,
      body[data-language="cn"] .service-card__body,
      body[data-language="cn"] .about__route-note {
        line-height: 1.64;
      }

      .about__panel--services {
        width: 100%;
        max-width: 56rem;
        margin: 0 auto;
      }

      .about__services-head {
        max-width: 40rem;
        margin: 0 auto 0.75rem;
        padding-top: 1rem;
      }

      .service-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1rem 1.35rem;
        max-width: 58rem;
      }

      .service-card {
        padding: 0.12rem 0.25rem;
        gap: 0.65rem;
      }

      .service-card + .service-card {
        margin-top: 0;
        padding-top: 0.15rem;
        border-top: 0;
      }

      .tools-stage {
        max-height: calc(100vh - 5.8rem);
        overflow: auto;
        padding-right: 0.35rem;
        -ms-overflow-style: none;
        scrollbar-width: none;
      }

      .artwork-stage::-webkit-scrollbar,
      .about-stage::-webkit-scrollbar,
      .devlog-stage::-webkit-scrollbar,
      .tools-stage::-webkit-scrollbar {
        display: none;
      }
    }

    @media (min-width: 1081px) and (max-width: 1500px) {
      .brand {
        left: clamp(1.1rem, 1.8vw, 1.7rem);
        top: clamp(1.15rem, 2.4vh, 1.9rem);
        max-width: min(29rem, calc(100vw - 26rem));
      }

      .brand__eyebrow {
        margin-top: 0.82rem;
        font-size: 0.88rem;
      }

      .brand__title {
        font-size: clamp(3rem, 6.4vw, 5rem);
        letter-spacing: 0.045em;
      }

      .brand__title-kicker {
        margin-bottom: 0.55rem;
        font-size: clamp(0.9rem, 1.35vw, 1.1rem);
      }

      .brand__text {
        max-width: 22.5rem;
        margin-top: 0.74rem;
        font-size: 1rem;
        line-height: 1.62;
      }

      .keeper-signal {
        max-width: 26.5rem;
        margin-top: 1rem;
        padding: 0.95rem 0 0 0.9rem;
      }

      .keeper-signal__eyebrow {
        margin-bottom: 0.58rem;
        font-size: 0.7rem;
        letter-spacing: 0.22em;
      }

      .keeper-signal__body {
        margin-top: 0.5rem;
        font-size: 0.92rem;
        line-height: 1.5;
      }

      .keeper-signal__signoff {
        margin-top: 0.6rem;
        font-size: 0.85rem;
      }

  .home-character {
    bottom: clamp(-7.4rem, -6.4vw, -2.5rem);
    width: clamp(35rem, 42.5vw, 43rem);
  }

      .message-feed,
      .contact-tray {
        right: clamp(1rem, 1.6vw, 1.35rem);
        width: min(clamp(25rem, 31vw, 28rem), calc(100vw - 2rem));
      }

      .station-hud {
        right: clamp(1rem, 1.6vw, 1.35rem);
        top: clamp(4.9rem, 7.4vh, 5.7rem);
        --hud-height: clamp(21rem, 28vw, 25rem);
        width: min(22rem, calc(100vw - 2rem));
      }

      .station-hud__readout {
        max-width: 22rem;
        gap: 0.72rem;
        opacity: 0.72;
      }

      .station-hud__readout::before {
        left: -0.72rem;
        width: 0.72rem;
        opacity: 0.26;
      }

      .station-hud__label {
        font-size: 0.66rem;
      }

      .station-hud__value {
        font-size: 0.94rem;
        line-height: 1.36;
      }

      .menu {
        right: clamp(1rem, 1.6vw, 1.35rem);
        width: min(34rem, calc(100vw - 2rem));
        justify-content: flex-end;
        gap: clamp(1rem, 1.2vw, 1.5rem);
      }

      .menu__main {
        font-size: clamp(1.08rem, 1.28vw, 1.3rem);
      }

      .menu > button.is-active::before {
        left: 0;
        width: 8px;
        height: 8px;
      }

      .message-feed {
        bottom: 9.4rem;
        max-height: calc(100vh - 16.5rem);
        gap: 0.65rem;
      }

      .message-note {
        min-height: 3.65rem;
        padding: 0.82rem 0.95rem;
      }

      .message-note__head {
        gap: 0.5rem;
      }

      .message-note__name {
        font-size: 0.92rem;
      }

      .message-note__tag,
      .message-note__time {
        font-size: 0.72rem;
      }

      .message-note__text {
        font-size: 0.9rem;
      }

      .contact-tray {
        bottom: 1.9rem;
      }

      .contact-form {
        grid-template-columns: minmax(6.4rem, 7.2rem) minmax(0, 1fr) auto;
        gap: 0.62rem;
        padding: 0.65rem;
      }

      .contact-form input {
        padding: 0.78rem 0.9rem;
        font-size: 0.92rem;
      }

      .contact-form button {
        padding: 0.82rem 1rem;
        font-size: 0.84rem;
      }

      body.is-artwork-open .artwork-stage {
        left: 53%;
        width: min(68rem, calc(100vw - 14rem));
      }

      .artwork__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.2rem 0.85rem;
      }

      body.is-devlog-open .devlog-stage {
        left: 52.5%;
        width: min(62rem, calc(100vw - 9rem));
      }

      body.is-tools-open .tools-stage {
        left: 47%;
        width: min(60rem, calc(100vw - 28rem));
      }
    }

    @media (min-width: 1081px) and (max-width: 1280px) {
      .brand {
        max-width: min(27rem, calc(100vw - 23rem));
      }

  .home-character {
    bottom: clamp(-7rem, -6.2vw, -2.2rem);
    width: clamp(35.5rem, 46vw, 44rem);
  }

      .menu {
        width: min(28rem, calc(100vw - 2rem));
        gap: 0.72rem;
      }

      .menu__main {
        font-size: 1rem;
      }

      .service-grid {
        gap: 0.82rem 0.9rem;
      }

      .message-feed {
        bottom: 8.25rem;
        max-height: min(16vh, 4.8rem);
        opacity: 1;
        pointer-events: auto;
        transform: none;
      }

      .station-hud {
        --hud-height: clamp(18rem, 25vw, 22rem);
        width: min(19rem, calc(100vw - 2rem));
      }

      .station-hud__readout {
        max-width: 19rem;
        gap: 0.62rem;
      }

      body.is-devlog-open .devlog-stage {
        left: 52%;
        width: min(56rem, calc(100vw - 5.5rem));
      }

      .devlog__layout {
        grid-template-columns: minmax(9.5rem, 11.75rem) minmax(0, 1fr);
        gap: 2rem;
      }

      .devlog__content {
        max-width: 38rem;
      }

      .contact-tray {
        width: min(41rem, calc(100vw - 2rem));
      }

      .contact-form {
        grid-template-columns: minmax(0, 1fr) auto;
      }

      .contact-form input[name="author"] {
        display: none;
      }

      .contact-form button {
        padding: 0.84rem 0.98rem;
        font-size: 0.82rem;
      }
    }

    @media (min-width: 1081px) and (max-height: 860px) {
      .brand {
        top: 0.95rem;
        max-width: min(27rem, calc(100vw - 24rem));
      }

      .brand__eyebrow {
        margin-top: 0.68rem;
        font-size: 0.82rem;
      }

      .brand__title {
        font-size: clamp(2.7rem, 5.2vw, 4.35rem);
      }

      .brand__title-kicker {
        margin-bottom: 0.42rem;
        font-size: 0.84rem;
      }

      .brand__text {
        max-width: 21.5rem;
        margin-top: 0.62rem;
        font-size: 0.94rem;
        line-height: 1.5;
      }

      .keeper-signal {
        max-width: 23.75rem;
        margin-top: 0.8rem;
        padding-top: 0.75rem;
      }

      .keeper-signal__body {
        margin-top: 0.42rem;
        font-size: 0.86rem;
        line-height: 1.42;
      }

      .keeper-signal__signoff {
        font-size: 0.8rem;
      }

  .home-character {
    bottom: clamp(-5rem, -5.4vw, -1.4rem);
    width: clamp(34rem, 42vw, 41rem);
  }

      .station-hud {
        top: 4.6rem;
        --hud-height: clamp(18rem, 25vw, 21.5rem);
        width: min(20rem, calc(100vw - 2rem));
      }

      .station-hud__readout {
        max-width: 20rem;
        gap: 0.64rem;
      }

      .sound-console {
        padding-top: 0.18rem;
      }

      .sound-console__title {
        font-size: 0.88rem;
      }

      .sound-console__toggle {
        min-width: 4.7rem;
        padding: 0.56rem 0.72rem;
      }

      .menu {
        top: 1.3rem;
        width: min(27rem, calc(100vw - 2rem));
      }

      .menu__main {
        font-size: clamp(0.96rem, 1.1vw, 1.14rem);
      }

      .message-feed {
        bottom: 7.85rem;
        max-height: min(14vh, 4.35rem);
        opacity: 1;
        pointer-events: auto;
        transform: none;
      }

      .contact-tray {
        bottom: 1rem;
      }

      .contact-form {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 0.5rem;
        padding: 0.55rem;
        border-radius: 1.25rem;
      }

      .contact-form input[name="author"] {
        display: none;
      }

      .contact-form input,
      .contact-form button {
        padding: 0.74rem 0.9rem;
        font-size: 0.88rem;
      }

    }

    @media (min-width: 1081px) and (max-height: 760px) {
      .about-stage {
        top: 4.8rem;
        width: min(62rem, calc(100vw - 5rem));
        max-height: calc(100vh - 5rem);
      }

      .about {
        gap: 0.92rem;
        max-width: 54rem;
      }

      .about__panel--profile {
        max-width: 42rem;
      }

      .about__portrait--compact {
        width: clamp(6.8rem, 8vw, 7.8rem);
        margin-bottom: 0.9rem;
        top: 0.4rem;
      }

      .about__section-title {
        font-size: 1.2rem;
      }

      .about__body,
      .about__note {
        margin-top: 0.58rem;
        max-width: 38rem;
        font-size: 0.9rem;
        line-height: 1.56;
      }

      .about__body + .about__body {
        margin-top: 0.68rem;
      }

      .about__services-head {
        margin-bottom: 0.7rem;
        padding-top: 0.95rem;
      }

      .about__panel--services {
        max-width: 58rem;
      }

      .about__eyebrow {
        font-size: 0.66rem;
        letter-spacing: 0.28em;
      }

      .service-grid {
        gap: 0.6rem 1rem;
        max-width: 58rem;
      }

      .service-card {
        gap: 0.45rem;
        padding: 0 0.2rem;
      }

      .service-card__title {
        font-size: 0.98rem;
        line-height: 1.22;
      }

      .service-card__body {
        font-size: 0.82rem;
        line-height: 1.46;
      }

      .about__route-note {
        margin-top: 0.55rem;
        max-width: 48rem;
        font-size: 0.68rem;
        line-height: 1.55;
      }

      body[data-language="cn"] .about__body,
      body[data-language="cn"] .about__note,
      body[data-language="cn"] .service-card__body,
      body[data-language="cn"] .about__route-note {
        line-height: 1.58;
      }
    }

    @media (min-width: 1081px) and (max-width: 1500px) and (min-height: 960px) and (max-aspect-ratio: 3 / 2) {
      .brand {
        top: clamp(2rem, 4vh, 3rem);
      }

      .home-character {
        bottom: clamp(-2.2rem, -1.8vw, 0.35rem);
        width: clamp(37rem, 47vw, 44rem);
      }
    }

    @media (min-width: 1800px) {
      .brand {
        left: clamp(1.8rem, 2.5vw, 3rem);
        max-width: min(35rem, calc(100vw - 58rem));
      }

      .brand__title {
        font-size: clamp(4.2rem, 5.4vw, 6rem);
      }

      .station-hud {
        right: clamp(2rem, 3vw, 4rem);
        width: min(23rem, calc(100vw - 4rem));
      }

      .station-hud__readout {
        max-width: 23rem;
      }

      .message-feed {
        right: clamp(2rem, 3vw, 4rem);
        bottom: 10.8rem;
        max-height: calc(100vh - 19rem);
      }

      .contact-tray {
        right: clamp(2rem, 3vw, 4rem);
        bottom: 2.9rem;
        width: min(48rem, calc(100vw - 4rem));
      }

      .home-character {
        width: clamp(46rem, 40vw, 51rem);
      }
    }

    @media (min-width: 2200px) {
      .brand {
        max-width: min(36rem, calc(100vw - 64rem));
      }

      .station-hud {
        width: min(24rem, calc(100vw - 5rem));
      }

      .home-character {
        width: clamp(51rem, 37vw, 55rem);
      }
    }

    @keyframes noteIn {
      0% {
        opacity: 0;
        transform: translateX(16px) scale(0.98);
      }

      100% {
        opacity: 1;
        transform: translateX(0) scale(1);
      }
    }

    @keyframes signalPulse {
      0% {
        opacity: 0.58;
        transform: scale(0.72);
      }

      72%,
      100% {
        opacity: 0;
        transform: scale(1.85);
      }
    }

    @keyframes floatUp {
      0% {
        transform: translate3d(0, 0, 0) scale(0.8);
        opacity: 0;
      }

      16%,
      84% {
        opacity: 1;
      }

      100% {
        transform: translate3d(18px, -56vh, 0) scale(1.1);
        opacity: 0;
      }
    }

    @keyframes drift {
      0%,
      100% {
        transform: translate3d(0, 0, 0);
      }

      50% {
        transform: translate3d(26px, -8px, 0);
      }
    }

    @keyframes homeCharacterFloat {
      0%,
      100% {
        transform: translate3d(0, 0, 0);
      }

      50% {
        transform: translate3d(0, -10px, 0);
      }
    }

    @media (max-width: 1080px) {
      body {
        overflow: auto;
      }

      .message-feed,
      .contact-tray {
        display: none !important;
      }

      .layout {
        min-height: auto;
        padding: 6rem 1.2rem 10rem;
      }

      .brand {
        position: static;
        max-width: 100%;
      }

      .station-hud {
        --hud-height: clamp(13.5rem, 23vw, 15.5rem);
        position: relative;
        right: auto;
        top: auto;
        width: min(20rem, 100%);
        justify-content: start;
        gap: 0;
        margin: 1.45rem 0 0;
      }

      .station-hud__readout {
        max-width: none;
        width: min(100%, 20rem);
        justify-self: start;
        min-height: var(--hud-height);
      }

      .sound-console {
        width: 100%;
        margin-top: 0.9rem;
        transform: none;
      }

      .home-character {
        position: relative;
        left: auto;
        bottom: auto;
        width: min(100%, 28rem);
        margin: 1.5rem auto 0;
      }

      .home-character__image {
        max-height: none;
      }

      body.is-works-open .brand {
        transform: none;
        opacity: 0.82;
        filter: none;
      }

      body.is-works-open .home-character,
      body.is-works-leaving .home-character,
      body.is-artwork-open .home-character,
      body.is-devlog-open .home-character,
      body.is-about-open .home-character,
      body.is-tools-open .home-character {
        height: 0;
        margin-top: 0;
        overflow: hidden;
        transform: translate3d(0, -1rem, 0);
      }

      .menu {
        position: fixed;
        left: 1.2rem;
        right: 1.2rem;
        top: 1.35rem;
        bottom: auto;
        z-index: 8;
        width: auto;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: flex-start;
        gap: 0.9rem 1.25rem;
      }

      .works-stage {
        --deck-height: 440px;
        --copy-height: 12.25rem;
        position: relative;
        left: 50%;
        right: auto;
        top: auto;
        width: 100%;
        margin-top: 16rem;
        transform: translateX(-50%) scale(0.98);
      }

      body.is-works-open .works-stage {
        transform: translateX(-50%) scale(1);
      }

      .artwork-stage {
        position: relative;
        left: auto;
        top: auto;
        width: 100%;
        margin: 4rem auto 0;
        transform: scale(0.98);
      }

      body.is-artwork-open .artwork-stage {
        transform: scale(1);
      }

      .about-stage {
        position: relative;
        left: auto;
        top: auto;
        width: 100%;
        margin: 4rem auto 0;
        transform: scale(0.98);
      }

      body.is-about-open .about-stage {
        transform: scale(1);
      }

      .devlog-stage {
        position: relative;
        left: auto;
        top: auto;
        width: 100%;
        margin: 4rem auto 0;
        transform: scale(0.98);
      }

      body.is-devlog-open .devlog-stage {
        transform: scale(1);
      }

      .tools-stage {
        position: relative;
        left: auto;
        top: auto;
        width: 100%;
        margin: 4rem auto 0;
        transform: scale(0.98);
      }

      body.is-tools-open .tools-stage {
        transform: scale(1);
      }

      .about {
        max-width: 32rem;
      }

      .service-grid {
        max-width: 100%;
      }

      .hint {
        right: 1rem;
        bottom: 0.8rem;
      }
    }

    @media (min-width: 821px) and (max-width: 1080px) {
      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) {
        overflow: hidden;
      }

      .layout {
        min-height: 100vh;
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .layout {
        height: 100vh;
        min-height: 100vh;
        padding: 0;
        overflow: hidden;
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .brand {
        position: absolute;
        left: 1.2rem;
        top: 4.7rem;
        max-width: min(23rem, calc(100vw - 19rem));
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .station-hud {
        --hud-height: clamp(14rem, 24vw, 17rem);
        position: absolute;
        right: 1rem;
        top: 7rem;
        width: min(16rem, calc(100vw - 2rem));
        margin: 0;
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .station-hud__readout {
        width: min(100%, 16rem);
      }

      .works-stage,
      .artwork-stage,
      .devlog-stage,
      .tools-stage {
        display: none;
      }

      body.is-works-open .works-stage,
      body.is-works-leaving .works-stage,
      body.is-artwork-open .artwork-stage,
      body.is-devlog-open .devlog-stage,
      body.is-tools-open .tools-stage {
        display: block;
      }

      .home-character {
        position: absolute;
        left: 50%;
        bottom: clamp(-5.8rem, -6vw, -2.2rem);
        width: clamp(32rem, 58vw, 40rem);
        margin: 0;
        transform: translate3d(-50%, 0, 0);
      }

      .home-character__image {
        max-height: 106vh;
      }

    }

    @media (max-width: 820px) {
      :root {
        --mobile-signal-side: 1rem;
        --mobile-home-head-space: 2.4rem;
        --mobile-stage-head-space: 3rem;
        --mobile-dock-veil-height: calc(9rem + env(safe-area-inset-bottom));
        --mobile-stage-tail-space: 1.5rem;
      }

      .layout {
        min-height: 100vh;
        padding: calc(1.35rem + env(safe-area-inset-top)) 1rem calc(5.8rem + env(safe-area-inset-bottom));
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) {
        overflow: hidden;
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .layout {
        height: 100svh;
        min-height: 100svh;
        overflow: hidden;
      }

      .brand {
        position: relative;
        left: auto;
        top: auto;
        max-width: 100%;
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .brand {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-top: var(--mobile-home-head-space);
      }

      .brand__eyebrow {
        display: none;
      }

      .brand__title {
        width: 100%;
        max-width: 17rem;
        margin-inline: auto;
        align-items: center;
        font-size: clamp(2.06rem, 10.4vw, 2.96rem);
        line-height: 0.9;
        text-align: center;
      }

      .brand__title-kicker {
        display: none;
      }

      .brand__title-main {
        display: grid;
        grid-template-columns: auto auto;
        grid-template-areas:
          "nebula relay"
          "station station";
        justify-content: center;
        align-items: end;
        justify-items: center;
        column-gap: 0.14em;
        row-gap: 0.04em;
      }

      .brand__word {
        display: block;
      }

      .brand__word--nebula {
        grid-area: nebula;
      }

      .brand__word--relay {
        grid-area: relay;
      }

      .brand__word--station {
        grid-area: station;
      }

      .brand__text {
        max-width: 21rem;
        margin-top: 0.7rem;
        font-size: 0.92rem;
        line-height: 1.58;
      }

      .keeper-signal {
        max-width: min(22rem, 100%);
        margin-top: 0.62rem;
        padding: 0.56rem 0 0;
        border-left: 0;
        border-top: 1px solid rgba(85, 199, 255, 0.28);
        text-align: center;
      }

      .keeper-signal::before,
      .keeper-signal__eyebrow {
        display: none;
      }

      .keeper-signal__greeting,
      .keeper-signal__signoff {
        display: block;
      }

      .keeper-signal__greeting {
        margin: 0 0 0.4rem;
        font-size: 0.98rem;
        letter-spacing: 0.08em;
      }

      .keeper-signal__body {
        margin-top: 0;
        font-size: 0.96rem;
        line-height: 1.66;
        text-align: center;
      }

      #keeper-body-2,
      #keeper-body-3 {
        margin-top: 0.42rem;
        opacity: 0.86;
      }

      .keeper-signal__signoff {
        margin-top: 0.56rem;
        font-size: 0.84rem;
        line-height: 1.52;
        justify-content: center;
        text-align: center;
      }

      .station-hud {
        --hud-height: auto;
        display: none;
        position: relative;
        right: auto;
        top: auto;
        width: 100%;
        margin: 0.85rem 0 0;
        opacity: 1;
        filter: none;
        transform: none;
      }

      .station-hud__readout {
        display: block;
        width: 100%;
        min-height: 0;
      }

      .station-hud__readout::before,
      .station-hud__line {
        display: none;
      }

      .sound-console {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 0.6rem;
        width: min(100%, 18rem);
        margin-top: 0;
        margin-right: auto;
        padding: 0.42rem 0.48rem 0.42rem 0.72rem;
        border-radius: 999px;
        background:
          linear-gradient(90deg, rgba(35, 137, 225, 0.16), rgba(7, 35, 72, 0.34) 58%, rgba(1, 8, 20, 0.48)),
          rgba(3, 14, 32, 0.52);
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.05),
          0 10px 24px rgba(0, 0, 0, 0.22);
      }

      .sound-console__signal,
      .sound-console__status,
      .sound-console__volume {
        display: none;
      }

      .sound-console__content {
        min-width: 0;
      }

      .sound-console__title {
        margin: 0;
        font-size: 0.78rem;
        letter-spacing: 0.14em;
      }

      .sound-console__toggle {
        min-width: 4.5rem;
        padding: 0.56rem 0.74rem;
        font-size: 0.68rem;
        letter-spacing: 0.1em;
      }

      .menu {
        position: fixed;
        left: 0.8rem;
        right: 0.8rem;
        top: auto;
        bottom: calc(0.8rem + env(safe-area-inset-bottom));
        z-index: 8;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 0.3rem;
        width: auto;
        padding: 0.42rem;
        border: 1px solid rgba(66, 181, 255, 0.28);
        border-radius: 1.25rem;
        background:
          linear-gradient(180deg, rgba(9, 54, 102, 0.82), rgba(2, 11, 27, 0.94)),
          rgba(3, 14, 32, 0.9);
        box-shadow:
          inset 0 1px 0 rgba(198, 240, 255, 0.08),
          0 18px 42px rgba(0, 0, 0, 0.38),
          0 0 24px rgba(18, 135, 255, 0.14);
        backdrop-filter: blur(18px);
      }

      .menu > button {
        min-height: 3rem;
        min-width: 0;
        flex-direction: row;
        gap: 0;
        justify-content: center;
        align-items: center;
        padding: 0.2rem 0;
        border-radius: 0.85rem;
        background: rgba(12, 57, 105, 0.22);
      }

      .menu > button:hover,
      .menu > button:focus-visible {
        transform: none;
      }

      .menu > button.is-active {
        padding-left: 0;
        background: rgba(27, 139, 255, 0.24);
        transform: none;
        text-shadow: none;
      }

      .menu > button.is-active::before {
        left: 50%;
        top: 0.36rem;
        width: 5px;
        height: 5px;
        transform: translateX(-50%) rotate(45deg);
      }

      .menu__main {
        display: none;
      }

      .menu__icon {
        display: grid;
        place-items: center;
        width: 1.08rem;
        height: 1.08rem;
        opacity: 0.78;
      }

      .menu > button.is-active .menu__icon {
        opacity: 1;
      }

      .mobile-quick-controls {
        position: fixed;
        top: calc(0.8rem + env(safe-area-inset-top));
        right: 0.8rem;
        z-index: 10;
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
      }

      .mobile-quick-controls .menu__language {
        position: static;
        margin-left: 0;
      }

      .language-toggle {
        padding: 0.18rem;
      }

      .language-toggle__button {
        min-width: 2.15rem;
        padding: 0.28rem 0.46rem;
        font-size: 0.68rem;
      }

      .mobile-quick-controls .sound-console {
        display: flex;
        width: auto;
        margin: 0;
        padding: 0;
        background: transparent;
        border-radius: 0;
        box-shadow: none;
        gap: 0;
      }

      .mobile-quick-controls .sound-console__signal,
      .mobile-quick-controls .sound-console__content,
      .mobile-quick-controls .sound-console__volume,
      .mobile-quick-controls .sound-console__toggle-text {
        display: none;
      }

      .mobile-quick-controls .sound-console__toggle {
        min-width: 0;
        width: 2.08rem;
        height: 2.08rem;
        padding: 0;
        gap: 0;
        border-radius: 50%;
      }

      .mobile-quick-controls .sound-console__toggle-icon {
        width: 0.74rem;
        height: 0.74rem;
      }

      body.is-works-open .brand,
      body.is-artwork-open .brand,
      body.is-devlog-open .brand,
      body.is-about-open .brand,
      body.is-tools-open .brand {
        display: none;
      }

      body.is-works-open .station-hud,
      body.is-artwork-open .station-hud,
      body.is-devlog-open .station-hud,
      body.is-about-open .station-hud,
      body.is-tools-open .station-hud {
        display: none;
      }

      .home-character {
        display: flex;
        justify-content: center;
        align-items: flex-end;
        width: 100%;
        max-width: 30rem;
        height: clamp(17rem, 42svh, 24rem);
        margin: 0.35rem auto 0;
        overflow: hidden;
        transform: none;
      }

      .home-character::before {
        inset: 14% 14% 18%;
      }

      .home-character::after {
        left: 10%;
        right: 10%;
        bottom: -1%;
        height: 22%;
        background: radial-gradient(circle, rgba(4, 10, 18, 0.86), transparent 72%);
      }

      .home-character__image {
        width: min(118vw, 31rem);
        max-height: none;
        margin: 0 auto;
        animation: none;
        transform: translateY(13rem);
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .home-character {
        position: absolute;
        left: 50%;
        top: auto;
        bottom: calc(-20.2rem + env(safe-area-inset-bottom));
        z-index: 1;
        width: min(132vw, 41rem);
        max-width: none;
        height: auto;
        margin: 0;
        overflow: visible;
        opacity: 0.96;
        transform: translateX(-50%);
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .home-character__image {
        width: 100%;
        transform: translateY(1.3rem);
      }

      .works-stage,
      .artwork-stage,
      .devlog-stage,
      .about-stage,
      .tools-stage {
        display: none;
        position: relative;
        left: auto;
        top: auto;
        width: 100%;
        margin: 0 auto;
        transform: none;
      }

      body.is-works-open .works-stage,
      body.is-works-leaving .works-stage,
      body.is-artwork-open .artwork-stage,
      body.is-devlog-open .devlog-stage,
      body.is-about-open .about-stage,
      body.is-tools-open .tools-stage {
        display: block;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        padding-bottom: var(--mobile-stage-tail-space);
      }

      body.is-artwork-open .artwork-stage,
      body.is-devlog-open .devlog-stage,
      body.is-about-open .about-stage,
      body.is-tools-open .tools-stage {
        margin-top: var(--mobile-stage-head-space);
      }

      body.is-works-open .layout::after,
      body.is-works-leaving .layout::after,
      body.is-artwork-open .layout::after,
      body.is-devlog-open .layout::after,
      body.is-about-open .layout::after,
      body.is-tools-open .layout::after {
        content: "";
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        height: var(--mobile-dock-veil-height);
        z-index: 7;
        pointer-events: none;
        background:
          linear-gradient(
            180deg,
            rgba(1, 7, 19, 0) 0%,
            rgba(1, 7, 19, 0.12) 16%,
            rgba(1, 7, 19, 0.46) 40%,
            rgba(1, 7, 19, 0.88) 72%,
            rgba(1, 7, 19, 1) 100%
          );
      }

      .works-stage {
        --deck-height: 340px;
        --copy-height: 13rem;
        transition-duration: 220ms;
        overflow-x: hidden;
      }

      body.is-works-open .works-stage,
      body.is-works-leaving .works-stage {
        margin-top: clamp(4.25rem, 10vh, 6rem);
      }

      .works-copy {
        width: min(30rem, calc(100% - 0.5rem));
        padding-top: 1.9rem;
        transition: opacity 220ms ease, transform 280ms ease;
      }

      .work-card {
        width: min(72vw, 250px);
        transition-duration: 320ms, 220ms, 220ms, 220ms;
      }

      body.is-works-opening .work-card,
      body.is-works-opening .works-copy {
        transition-delay: 0ms;
      }

      .artwork-stage,
      .devlog-stage,
      .about-stage,
      .tools-stage {
        width: 100%;
      }

      .artwork__title {
        font-size: clamp(1.85rem, 9vw, 2.45rem);
      }

      .artwork__intro {
        max-width: none;
        font-size: 0.96rem;
        line-height: 1.68;
      }

      .artwork__grid {
        grid-template-columns: 1fr;
        gap: 1.35rem;
        margin-top: 1.45rem;
      }

      .artwork-card__image {
        aspect-ratio: var(--artwork-ratio);
        min-height: 0;
      }

      .about__portrait {
        width: min(10.8rem, 46vw);
      }

      .about__portrait--compact {
        width: clamp(8rem, 36vw, 9.2rem);
      }

      .about__body,
      .about__note,
      .service-card__body {
        font-size: 0.96rem;
        line-height: 1.68;
      }

      .about__panel {
        padding: 0;
      }

      .service-grid {
        max-width: 100%;
      }

      .tools__title {
        font-size: clamp(1.85rem, 9vw, 2.45rem);
      }

      .tools__intro,
      .tools__note {
        max-width: none;
        font-size: 0.96rem;
        line-height: 1.68;
      }

      .hint {
        display: none;
      }

      .tools {
        text-align: left;
      }

      .tools__list {
        gap: 1.6rem;
      }

      .tool-entry {
        gap: 0.8rem 0.85rem;
        padding: 0.35rem 0 0.85rem;
      }

      .tool-entry__aside {
        padding-left: 0;
        flex-direction: column;
        align-items: flex-start;
      }

      .tool-entry__actions {
        justify-content: flex-start;
        gap: 0.5rem;
      }

      .tool-entry__action {
        min-width: 0;
      }
    }

    @media (max-width: 720px) {
      :root {
        --mobile-signal-side: 0.85rem;
        --mobile-home-head-space: 2.75rem;
        --mobile-stage-head-space: 3.35rem;
        --mobile-dock-veil-height: calc(8.6rem + env(safe-area-inset-bottom));
        --mobile-stage-tail-space: 1.3rem;
      }

      .layout {
        padding-top: calc(1.2rem + env(safe-area-inset-top));
      }

      .home-character {
        max-width: 29rem;
        height: clamp(16.5rem, 40svh, 22rem);
        margin-top: 0.25rem;
      }

      .home-character__image {
        width: min(122vw, 30rem);
        max-height: none;
        transform: translateY(13rem);
      }

      .menu {
        left: 0.7rem;
        right: 0.7rem;
        gap: 0.24rem;
        padding: 0.38rem;
      }

      .menu > button {
        min-height: 2.85rem;
      }

      .menu__icon {
        width: 1rem;
        height: 1rem;
      }

      .brand__title {
        max-width: 15.8rem;
        font-size: clamp(1.94rem, 9.9vw, 2.72rem);
      }

      .brand__text {
        font-size: 0.9rem;
      }

      .devlog__title {
        font-size: clamp(1.7rem, 8vw, 2.4rem);
      }

      .artwork__title {
        font-size: clamp(1.7rem, 8vw, 2.4rem);
      }

      .tools__title {
        font-size: clamp(1.7rem, 8vw, 2.35rem);
      }

      .devlog__intro,
      .devlog-entry__body,
      .artwork__intro,
      .tools__intro,
      .tool-entry__body {
        font-size: 0.98rem;
      }

      .devlog-entry__image-slot {
        min-height: 11rem;
      }

      .devlog-entry__caption {
        font-size: 0.82rem;
      }

      .works-deck {
        height: var(--deck-height);
      }

      .work-card {
        width: min(68vw, 270px);
      }

      .works-stage {
        --deck-height: 380px;
        --copy-height: 14.6rem;
      }

      body.is-works-open .works-stage,
      body.is-works-leaving .works-stage {
        margin-top: clamp(4.75rem, 11vh, 7rem);
      }

      .works-copy {
        width: min(30rem, calc(100% - 1rem));
        padding-top: 2.6rem;
      }

      .tool-modal {
        padding: 1rem;
      }

      .ambient-modal {
        padding: 1rem;
      }

      .ambient-modal__card {
        width: calc(100vw - 1rem);
        padding: 1.35rem 0.9rem 1rem;
      }

      .ambient-modal__character {
        width: min(12rem, 46vw);
        margin-bottom: 0.7rem;
        opacity: 0.62;
      }

      .ambient-modal__actions {
        display: flex;
        grid-template-columns: none;
      }

      .ambient-modal__action {
        width: auto;
        padding-left: 1rem;
        padding-right: 1rem;
      }

      .tool-modal__card {
        width: calc(100vw - 1rem);
        padding: 1.15rem 1.1rem 1.1rem;
      }
    }

    @media (max-width: 380px) {
      .keeper-signal {
        display: block;
        max-width: min(18rem, 100%);
        margin-top: 0.56rem;
        padding-top: 0.52rem;
      }

      .keeper-signal__body {
        font-size: 0.9rem;
        line-height: 1.56;
      }

      .devlog-index__item {
        flex-basis: min(10.5rem, 62vw);
      }

      .devlog-index__title {
        font-size: 0.74rem;
      }

      .devlog__title {
        font-size: clamp(1.8rem, 10vw, 2.35rem);
      }

      .contact-form input {
        font-size: 0.88rem;
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .home-character {
        left: 50%;
        top: auto;
        bottom: calc(-18.4rem + env(safe-area-inset-bottom));
        width: min(142vw, 34rem);
      }

      body:not(.is-works-open):not(.is-works-leaving):not(.is-artwork-open):not(.is-devlog-open):not(.is-about-open):not(.is-tools-open) .home-character__image {
        width: 100%;
        transform: translateY(1.2rem);
      }
    }