/* ==========================================================================
   BLACK CAT PLANET STUDIO — page sections
   ========================================================================== */

/* laser dot variants */
.laserdot--fixed {
  position: fixed;
  top: 0; left: 0;
  z-index: 5;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 20px var(--red-glow), 0 0 60px var(--red-glow);
  pointer-events: none;
  opacity: 0.85;
  mix-blend-mode: screen;
}
.laserdot--inline {
  width: 8px; height: 8px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
}

/* ---------------------------------------------------------------- HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 24px) var(--gutter) 90px;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }

.planet {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.6s var(--ease);
}
.planet--a {
  width: clamp(120px, 16vw, 220px); height: clamp(120px, 16vw, 220px);
  top: 16%; right: 10%;
  background: radial-gradient(circle at 32% 30%, #33406b, #0b0e1c 72%);
  box-shadow: inset -24px -24px 48px rgba(0,0,0,0.65), 0 0 80px rgba(143,176,255,0.14);
}
.planet--a::after {
  content: ""; position: absolute; inset: -14%;
  border: 1px solid rgba(143,176,255,0.25);
  border-radius: 50%;
  transform: rotate(-16deg);
  clip-path: inset(44% 0 44% 0);
}
.planet--b {
  width: clamp(70px, 9vw, 120px); height: clamp(70px, 9vw, 120px);
  top: 26%; left: 9%;
  background: radial-gradient(circle at 35% 32%, #6b3a46, #17090c 74%);
  box-shadow: inset -14px -14px 30px rgba(0,0,0,0.6), 0 0 50px rgba(223,251,26,0.12);
}
.planet--c {
  width: 46px; height: 46px;
  bottom: 24%; left: 20%;
  background: radial-gradient(circle at 34% 30%, #7a7f95, #10121e 74%);
  box-shadow: inset -8px -8px 18px rgba(0,0,0,0.6);
}
.planet--d {
  width: 90px; height: 90px;
  bottom: 14%; right: 22%;
  background: radial-gradient(circle at 30% 28%, #2c5f62, #081316 74%);
  box-shadow: inset -12px -12px 26px rgba(0,0,0,0.6), 0 0 50px rgba(79,160,150,0.12);
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(26px, 4vw, 44px);
}
.hero__cat { width: clamp(180px, 26vw, 300px); filter: drop-shadow(0 20px 60px rgba(0,0,0,0.55)); }
.hero__cat svg { width: 100%; height: auto; }
.hero__cat [data-pupil] { transition: transform 0.18s var(--ease-out); }

.hero__content { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.hero__eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.7rem; letter-spacing: 0.24em;
  color: var(--ink-2); text-transform: uppercase;
}
.hero__eyebrow .serif { letter-spacing: 0.06em; text-transform: none; font-size: 1.05rem; color: var(--ink); }
.hero__eyebrow-line { width: 42px; height: 1px; background: var(--red); }

.hero__title {
  font-size: clamp(2.5rem, 7.5vw, 5.4rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.01em;
}
.hero__sub {
  display: flex; align-items: center;
  font-size: 0.78rem; letter-spacing: 0.2em;
  color: var(--ink-2); text-transform: uppercase;
}

.hero__scroll {
  position: absolute;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 0.6rem; letter-spacing: 0.32em; color: var(--ink-3);
}
.hero__scroll-line {
  width: 1px; height: 42px;
  background: linear-gradient(var(--ink-3), transparent);
  animation: scrollPulse 2s var(--ease) infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ---------------------------------------------------------------- WHAT WE DO */
.flow { position: relative; max-width: 780px; }
.flow__start {
  font-size: 0.78rem; letter-spacing: 0.22em;
  color: var(--ink-3); text-transform: uppercase;
  margin-bottom: 26px;
}
.flow__list {
  position: relative;
  padding-left: 44px;
}
.flow__list::before {
  content: "";
  position: absolute;
  left: 20px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--line-strong), var(--red), transparent);
}
.flow__step {
  position: relative;
  display: flex; align-items: center; gap: 20px;
  padding: 15px 0;
}
.flow__step::before {
  content: "";
  position: absolute;
  left: -28px; top: 50%;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--red);
  transform: translateY(-50%);
  box-shadow: 0 0 12px var(--red-glow);
}
.flow__step--end::before { background: var(--red); }
.flow__icon { font-size: 1.7rem; width: 48px; text-align: center; flex: none; }
.flow__step div { display: flex; flex-direction: column; }
.flow__step strong { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700; }
.flow__step em { font-style: normal; font-size: 0.62rem; letter-spacing: 0.22em; color: var(--ink-3); }
.flow__step--end strong { color: var(--red); }
.flow__note {
  margin-top: 34px; margin-left: 44px;
  font-size: 1.1rem; color: var(--ink-2);
  border-left: 2px solid var(--red);
  padding-left: 22px;
  max-width: 46ch;
}

/* ---------------------------------------------------------------- sections (shared) */
.section--dark { background: linear-gradient(180deg, transparent, rgba(143,176,255,0.04) 50%, transparent); }
.section-head--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head--center h2 { font-size: clamp(1.9rem, 5.4vw, 4rem); }
.center { text-align: center; margin-top: clamp(32px, 5vw, 52px); }

/* ---------------------------------------------------------------- UNIVERSE */
.universe-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.ip-card {
  position: relative;
  display: flex;
  gap: 26px;
  align-items: center;
  padding: clamp(22px, 3vw, 36px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.ip-card:hover { transform: translateY(-6px); border-color: rgba(223,251,26,0.4); box-shadow: 0 30px 60px -30px var(--red-glow); }
.ip-card--main { grid-column: 1 / -1; }

.ip-card__planet { position: relative; width: clamp(150px, 20vw, 240px); aspect-ratio: 800 / 575; flex: none; }
.ip-card__planet svg { width: 100%; height: 100%; }
.ip-card__planet-ring {
  position: absolute; inset: -10%;
  border: 1px solid rgba(143,176,255,0.3);
  border-radius: 50%;
  transform: rotate(-18deg);
  clip-path: inset(46% 0 46% 0);
}

.ip-card__planet--ghost {
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px dashed var(--line-strong);
  background: rgba(255,255,255,0.02);
}
.ip-card__q { font-family: var(--font-display); font-size: 2rem; color: var(--ink-3); }

.ip-card__body { display: flex; flex-direction: column; gap: 8px; }
.ip-card__title { font-size: 1.6rem; }
.ip-card__en { font-size: 0.72rem; letter-spacing: 0.16em; color: var(--ink-3); }
.ip-card__desc { color: var(--ink-2); font-size: 0.98rem; }
.ip-card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.ip-card--soon { cursor: default; }
.ip-card--soon .ip-card__body { opacity: 0.7; }

.universe-hint {
  text-align: center;
  margin-top: clamp(36px, 5vw, 52px);
  color: var(--ink-3);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
}

/* ---------------------------------------------------------------- GAMES */
.game-feature {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.game-feature__screen {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,0.8);
}
.game-feature__screen svg { width: 100%; height: auto; }
.game-feature__screen img { width: 100%; height: auto; display: block; }

.game-logo {
  width: clamp(52px, 7vw, 68px);
  height: clamp(52px, 7vw, 68px);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 14px 34px -12px rgba(0,0,0,0.7);
  flex: none;
}
.game-logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.game-logo--lg { width: clamp(64px, 8vw, 84px); height: clamp(64px, 8vw, 84px); border-radius: 20px; }

.feature-title { display: flex; align-items: center; gap: 20px; }
.game-feature__hud {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px 18px;
  font-size: 0.62rem; letter-spacing: 0.2em;
  color: var(--ink-2);
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  text-transform: uppercase;
}
.game-feature__info h3 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 16px; }
.game-feature__desc { color: var(--ink-2); max-width: 46ch; }
.game-feature__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 30px 0;
}
.game-feature__stats .stat { display: flex; flex-direction: column; gap: 6px; }
.game-feature__stats .stat .mono { font-size: 0.62rem; letter-spacing: 0.18em; color: var(--ink-3); text-transform: uppercase; }
.game-feature__cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------------------------------------------------------------- LAB */
.lab-flow {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  margin-bottom: clamp(48px, 6vw, 72px);
  font-size: 0.74rem; letter-spacing: 0.2em;
  color: var(--ink-2); text-transform: uppercase;
}
.lab-flow i { font-style: normal; color: var(--red); font-size: 0.9rem; }
.lab-flow__end { color: var(--red); border: 1px solid rgba(223,251,26,0.4); padding: 8px 18px; border-radius: 999px; }

.lab-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.lab-pillar {
  padding: 28px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.lab-pillar:hover { border-color: rgba(223,251,26,0.4); transform: translateY(-4px); }
.lab-pillar__idx { display: block; font-size: 0.66rem; color: var(--red); margin-bottom: 18px; }
.lab-pillar h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 12px; }
.lab-pillar p { font-size: 0.92rem; color: var(--ink-2); line-height: 1.7; }

.lab-quote {
  text-align: center;
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: clamp(48px, 6vw, 72px) auto 0;
  max-width: 30ch;
}

/* ---------------------------------------------------------------- ABOUT (belief) */
.belief { text-align: center; max-width: 720px; margin: 0 auto; }
.belief__keywords {
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: 14px;
  font-size: 0.72rem; letter-spacing: 0.2em;
  color: var(--ink-2); text-transform: uppercase;
  margin-bottom: 36px;
}
.belief__keywords i { color: var(--red); font-style: normal; }
.belief__slogan { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 900; margin-bottom: 28px; }
.belief__text { color: var(--ink-2); font-size: 1.05rem; line-height: 2; margin-bottom: 40px; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 900px) {
  .universe-grid { grid-template-columns: 1fr; }
  .game-feature { grid-template-columns: 1fr; }
  .lab-grid { grid-template-columns: 1fr 1fr; }
  .ip-card--main { flex-direction: column; text-align: center; }
  .ip-card--main .ip-card__tags { justify-content: center; }
}
@media (max-width: 560px) {
  .lab-grid { grid-template-columns: 1fr; }
  .game-feature__stats { grid-template-columns: 1fr 1fr; }
  .hero__eyebrow-line { display: none; }
}

/* ==========================================================================
   SUB-PAGE HERO
   ========================================================================== */
.page-hero {
  padding: calc(var(--nav-h) + clamp(56px, 9vw, 110px)) 0 clamp(40px, 6vw, 72px);
  text-align: center;
}
.page-hero .eyebrow { display: block; margin-bottom: 20px; }
.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: 0.01em;
}
.page-hero__sub {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.page-hero__desc {
  margin: 22px auto 0;
  max-width: 60ch;
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 2;
}

/* ==========================================================================
   IP UNIVERSE
   ========================================================================== */
.universe-map { max-width: 760px; margin: 0 auto; }
.universe-map svg { width: 100%; height: auto; }
.universe-map a { cursor: pointer; }

/* ==========================================================================
   IP DETAIL (哈激咪)
   ========================================================================== */
.ip-hero { padding: calc(var(--nav-h) + clamp(56px, 9vw, 110px)) 0 clamp(48px, 7vw, 88px); }
.ip-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
.ip-hero__visual { position: relative; display: flex; justify-content: center; z-index: 0; }
.ip-hero__visual svg { width: min(100%, 340px); height: auto; filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5)); }
.ip-hero__planet {
  position: absolute; inset: 6%;
  background: radial-gradient(circle at 35% 30%, #33406b, #0b0e1c 70%);
  border-radius: 50%;
  z-index: -1;
  box-shadow: 0 0 80px rgba(143,176,255,0.12);
}
.ip-hero__content { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }
.ip-hero__title { font-size: clamp(2.6rem, 6vw, 4.4rem); font-weight: 900; }
.ip-hero__en { font-size: 0.85rem; letter-spacing: 0.3em; color: var(--ink-3); text-transform: uppercase; }
.ip-hero__desc { color: var(--ink-2); font-size: 1.1rem; line-height: 2; }
.ip-hero__tags { display: flex; flex-wrap: wrap; gap: 10px; }
.ip-hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

.char-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.char-card {
  padding: 26px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.char-card:hover { border-color: rgba(223,251,26,0.4); transform: translateY(-4px); }
.char-card__k { font-size: 0.62rem; letter-spacing: 0.2em; color: var(--ink-3); text-transform: uppercase; }
.char-card strong { font-size: 1.35rem; }
.char-card em { font-style: normal; font-size: 0.6rem; letter-spacing: 0.16em; color: var(--ink-3); }

.story { max-width: 720px; margin: 0 auto; text-align: center; }
.story__lead { font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin-bottom: 28px; }
.story__body { color: var(--ink-2); font-size: 1.05rem; line-height: 2.1; }

.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.content-card { display: flex; flex-direction: column; gap: 14px; }
.content-card__thumb {
  position: relative;
  aspect-ratio: 9 / 14;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--surface);
}
.content-card__thumb--douyin { background: linear-gradient(160deg, #101318, #05070b); }
.content-card__thumb--xhs { background: linear-gradient(160deg, #1c1214, #080609); }
.content-card__thumb--more { border-style: dashed; }
.content-card__logo {
  position: absolute; top: 16px; left: 16px;
  font-size: 0.62rem; letter-spacing: 0.2em; color: var(--ink-2);
}
.content-card__icon {
  font-size: 2rem; color: var(--red);
  display: flex; align-items: center; justify-content: center;
  width: 62px; height: 62px; border-radius: 50%;
  border: 1px solid rgba(223,251,26,0.4);
}
.content-card__label { font-size: 0.66rem; letter-spacing: 0.18em; color: var(--ink-3); text-align: center; text-transform: uppercase; }

.merch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.merch-card {
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.merch-card:hover { transform: translateY(-5px); border-color: rgba(223,251,26,0.4); }
.merch-card__visual {
  width: 140px; height: 140px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
}
.merch-card__visual svg { width: 100%; height: 100%; }
.merch-card__visual--more { border: 1px dashed var(--line-strong); background: rgba(255,255,255,0.02); }
.merch-card__q { font-family: var(--font-display); font-size: 2.4rem; color: var(--ink-3); }
.merch-card__name { font-size: 1.3rem; }
.merch-card__tag { font-size: 0.6rem; letter-spacing: 0.18em; color: var(--ink-3); text-transform: uppercase; }

.timeline { position: relative; max-width: 560px; margin: 0 auto; }
.timeline::before {
  content: ""; position: absolute; left: 5px; top: 12px; bottom: 12px; width: 1px;
  background: linear-gradient(rgba(244,241,232,0.16), var(--red), transparent);
}
.timeline__item { position: relative; display: flex; align-items: center; gap: 18px; padding: 15px 0 15px 30px; }
.timeline__dot {
  position: absolute; left: 0; width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 1.5px solid var(--red);
  box-shadow: 0 0 12px var(--red-glow);
}
.timeline__dot--accent { background: var(--red); }
.timeline__dot--next { border-style: dashed; background: transparent; }
.timeline__date { font-size: 0.72rem; letter-spacing: 0.12em; color: var(--ink-2); width: 76px; flex: none; }
.timeline__label { font-size: 1.15rem; }
.timeline__item--next .timeline__label { color: var(--red); }

/* ==========================================================================
   GAMES (stats band / points / dev story)
   ========================================================================== */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: clamp(36px, 5vw, 56px);
  padding: clamp(26px, 4vw, 40px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  text-align: center;
}
.stats-band .stat { display: flex; flex-direction: column; gap: 8px; align-items: center; }
.stats-band .mono { font-size: 0.62rem; letter-spacing: 0.16em; color: var(--ink-3); text-transform: uppercase; }

.game-points { margin: 24px 0; display: flex; flex-direction: column; gap: 12px; }
.game-points li { display: flex; align-items: center; gap: 12px; color: var(--ink-2); font-size: 0.96rem; }
.game-points__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 8px var(--red-glow); flex: none; }

.dev-story { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.dev-story__text { color: var(--ink-2); font-size: 1.05rem; line-height: 2.1; }
.dev-story__text strong { color: var(--ink); font-weight: 700; }
.dev-story__side { padding: 30px; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; }
.dev-story__side .eyebrow { display: block; margin-bottom: 16px; }

/* ==========================================================================
   LAB (pipeline / pillars / banner)
   ========================================================================== */
.pipeline { display: flex; flex-direction: column; align-items: center; gap: 6px; max-width: 460px; margin: 0 auto; }
.pipeline__node {
  font-size: 0.72rem; letter-spacing: 0.18em; color: var(--ink-2);
  padding: 12px 22px; border: 1px solid var(--line-strong); border-radius: 999px;
  text-transform: uppercase; text-align: center;
  transition: border-color 0.4s var(--ease), color 0.4s var(--ease);
}
.pipeline__node:hover { border-color: var(--red); color: var(--ink); }
.pipeline__node--end { border-color: var(--red); color: var(--red); }
.pipeline__arrow { color: var(--red); font-size: 0.9rem; }

.pillar-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.pillar {
  padding: clamp(28px, 4vw, 44px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.pillar:hover { border-color: rgba(223,251,26,0.4); transform: translateY(-4px); }
.pillar__idx { display: block; font-size: 0.66rem; color: var(--red); margin-bottom: 20px; }
.pillar h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 6px; }
.pillar em { display: block; font-style: normal; font-size: 0.62rem; letter-spacing: 0.18em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 18px; }
.pillar p { color: var(--ink-2); font-size: 0.96rem; line-height: 1.8; }

.lab-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
  padding: clamp(28px, 4vw, 44px);
  background: linear-gradient(140deg, rgba(223,251,26,0.08), rgba(143,176,255,0.05));
  border: 1px solid var(--line-strong);
  border-radius: 22px;
}
.lab-banner__text { color: var(--ink-2); margin-top: 12px; }

/* ==========================================================================
   EXPERIMENTS
   ========================================================================== */
.exp-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.exp-card {
  padding: clamp(26px, 3.6vw, 40px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  display: flex; flex-direction: column; gap: 14px;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.exp-card:hover { transform: translateY(-5px); border-color: rgba(223,251,26,0.4); }
.exp-card__icon { font-size: 2.2rem; }
.exp-card__status { font-size: 0.6rem; letter-spacing: 0.2em; color: var(--red); text-transform: uppercase; }
.exp-card h2 { font-size: 1.6rem; }
.exp-card p { color: var(--ink-2); font-size: 0.98rem; line-height: 1.8; }
.exp-loop {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-top: 6px; padding-top: 18px; border-top: 1px solid var(--line);
  font-size: 0.62rem; letter-spacing: 0.08em; color: var(--ink-3); text-transform: uppercase;
}
.exp-loop i { font-style: normal; color: var(--red); }
.exp-note {
  text-align: center; margin-top: clamp(44px, 6vw, 64px);
  font-size: clamp(1.3rem, 2.8vw, 1.8rem); line-height: 1.8; color: var(--ink-2);
}

/* ==========================================================================
   ABOUT
   ========================================================================== */
.who { text-align: center; max-width: 720px; margin: 0 auto; }
.who__lead { font-size: clamp(1.6rem, 4vw, 2.6rem); line-height: 1.5; margin-bottom: 28px; }
.who__lead strong { color: var(--red); font-weight: 900; }
.who__text { color: var(--ink-2); font-size: 1.1rem; line-height: 2; }

.keywords { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: clamp(44px, 6vw, 64px); }
.keyword {
  text-align: center; padding: 40px 20px;
  border: 1px solid var(--line); border-radius: 20px;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.keyword:hover { border-color: rgba(223,251,26,0.4); transform: translateY(-4px); }
.keyword__en { display: block; font-size: clamp(1rem, 2.4vw, 1.4rem); margin-bottom: 10px; }
.keyword__zh { font-size: 1.4rem; color: var(--red); }

.believe { text-align: center; max-width: 640px; margin: 0 auto; }
.believe__slogan { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900; margin-bottom: 34px; }
.believe__text p { color: var(--ink-2); font-size: 1.08rem; line-height: 2.2; }
.believe__text p:not(:last-child) { margin-bottom: 10px; }

.position { max-width: 720px; }
.position__main {
  font-size: clamp(1.5rem, 3.4vw, 2.2rem); line-height: 1.6;
  border-left: 2px solid var(--red); padding-left: 24px; margin-bottom: 18px;
}
.position__sub { color: var(--ink-2); }

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: clamp(26px, 3.6vw, 40px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
}
.contact-card__idx { font-size: 0.66rem; color: var(--red); }
.contact-card h2 { font-size: 1.6rem; }
.contact-card p { color: var(--ink-2); font-size: 0.96rem; line-height: 1.7; }

.contact-email {
  margin-top: clamp(44px, 6vw, 64px);
  text-align: center;
  padding: clamp(32px, 5vw, 52px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
}
.contact-email .eyebrow { display: block; margin-bottom: 18px; }
.contact-email__addr {
  font-size: clamp(1.25rem, 4.2vw, 2.3rem);
  letter-spacing: 0.02em;
  color: var(--ink);
  word-break: break-all;
  margin-bottom: 26px;
}
.contact-email__feedback {
  display: block;
  margin-top: 16px;
  min-height: 1.2em;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--red);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.contact-email__feedback.is-visible { opacity: 1; }

.contact-note {
  margin-top: clamp(36px, 5vw, 52px);
  display: flex; align-items: center; justify-content: center; gap: 12px;
  color: var(--ink-2); text-align: center; flex-wrap: wrap;
}
.contact-note p { font-size: 0.8rem; letter-spacing: 0.06em; }

/* ==========================================================================
   RESPONSIVE (sub-pages)
   ========================================================================== */
@media (max-width: 900px) {
  .ip-hero__inner { grid-template-columns: 1fr; text-align: center; }
  .ip-hero__content { align-items: center; }
  .char-grid { grid-template-columns: 1fr 1fr; }
  .content-grid { grid-template-columns: 1fr 1fr; }
  .merch-grid { grid-template-columns: 1fr 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; }
  .dev-story { grid-template-columns: 1fr; }
  .pillar-grid { grid-template-columns: 1fr; }
  .exp-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .keywords { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .char-grid { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .merch-grid { grid-template-columns: 1fr; }
}


/* ---------------------------------------------------------------- 16 personas */
.persona-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: 620px; margin: 0 auto; }
.persona-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  padding: 12px 10px 14px;
  text-align: center;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.persona-card:hover { transform: translateY(-5px); border-color: var(--red); }
.persona-card__img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; display: block; }
.persona-card__no { display: block; font-size: 0.58rem; letter-spacing: 0.2em; color: var(--red); margin-top: 10px; }
.persona-card__name { display: block; font-size: clamp(0.82rem, 2.2vw, 1rem); color: var(--ink); margin-top: 3px; line-height: 1.3; }
.persona-card__en { display: block; font-size: 0.5rem; letter-spacing: 0.16em; color: var(--ink-3); margin-top: 3px; }
@media (max-width: 560px) { .persona-grid { gap: 8px; } }

/* studio logo placeholders (replacing hand-drawn cat illustrations) */
.hero__logo { width: clamp(150px, 20vw, 220px); }
.hero__logo img { width: 100%; height: auto; }
.ip-hero__visual img { width: min(100%, 440px); height: auto; }
.ip-card__planet img { width: 100%; height: 100%; object-fit: contain; }
.merch-card__visual img { width: 100%; height: 100%; object-fit: contain; }
.footer__cat img { width: 100%; height: auto; }

/* ---------------------------------------------------------------- stream button (hero CTA) */
@property --stream-angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
.btn--stream {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  padding: 16px 36px;
}
.btn--stream::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(from var(--stream-angle), transparent 0deg, var(--red) 42deg, transparent 92deg, transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  animation: stream-spin 2s linear infinite;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}
.btn--stream:hover {
  background: transparent;
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 28px var(--red-glow);
}
.btn--stream:hover::before { opacity: 1; }
@keyframes stream-spin { to { --stream-angle: 360deg; } }

.ip-card--main {
  background: linear-gradient(140deg, rgba(223, 251, 26, 0.08), rgba(143, 176, 255, 0.05));
  border-color: var(--line-strong);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.ip-card--main .ip-card__title { font-size: clamp(4.4rem, 8vw, 6rem); line-height: 1.05; }
.ip-card--main .ip-card__en { font-size: clamp(1.8rem, 3vw, 2.3rem); letter-spacing: 0.2em; }

.ip-card--main .tag { font-size: 0.93rem; padding: 8px 16px; }


/* ---------------------------------------------------------------- main IP card: 3-col layout */
.ip-card--main .ip-card__planet { flex: 0 0 50%; width: 50%; background: radial-gradient(ellipse at center, rgba(221, 208, 242, 0.3), transparent 70%); }
.ip-card--main .ip-card__body { flex: 1 1 auto; align-items: center; text-align: center; }
.ip-card--main .ip-card__tags {
  flex: 0 0 auto;
  flex-direction: column;
  flex-wrap: nowrap;
  align-items: flex-end;
  gap: 10px;
  margin-top: 0;
}
@media (max-width: 900px) {
  .ip-card--main { align-items: center; }
  .ip-card--main .ip-card__planet { flex: none; width: min(100%, 320px); }
  .ip-card--main .ip-card__body { flex: none; }
  .ip-card--main .ip-card__tags { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: center; }
}

/* game side layout (IP detail) */
.game-feature--side { display: flex; align-items: center; gap: clamp(28px, 4vw, 56px); }
.game-feature--side .game-feature__info { flex: 1 1 auto; }
.game-logo--side { width: clamp(88px, 11vw, 130px); height: clamp(88px, 11vw, 130px); border-radius: 22px; flex: none; }
@media (max-width: 900px) { .game-feature--side { flex-direction: column; align-items: flex-start; } }