:root {
  --ink: #11131a;
  --ink-soft: #4d586a;
  --navy: #101735;
  --navy-deep: #071128;
  --paper: #f7fafc;
  --white: #ffffff;
  --cyan: #58d9e8;
  --mint: #7ce6ba;
  --violet: #7868f2;
  --yellow: #ffd56a;
  --coral: #ff8d7d;
  --line: rgba(16, 23, 53, 0.1);
  --shadow: 0 24px 70px rgba(37, 48, 82, 0.14);
  --radius-xl: 38px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --shell: min(1420px, calc(100% - 64px));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: -100px;
  z-index: 1000;
  padding: 12px 18px;
  background: var(--white);
  border-radius: 10px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 18px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 82px;
  background: rgba(250, 252, 254, 0.88);
  border-bottom: 1px solid rgba(16, 23, 53, 0.07);
  backdrop-filter: blur(18px) saturate(1.2);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 40px rgba(29, 39, 76, 0.08);
}

.nav-shell {
  width: var(--shell);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
}

.brand-image {
  display: block;
  background-repeat: no-repeat;
  background-position: center;
}

.brand-image-cn {
  width: 125px;
  height: 42px;
  background-image: url("./assets/brand/mangix-wordmark-cn-transparent.png");
  background-size: 158px 158px;
}

.brand-image-en {
  width: 92px;
  height: 34px;
  background-image: url("./assets/brand/mangix-wordmark-en-transparent.png");
  background-size: 118px 118px;
}

.brand-divider {
  width: 1px;
  height: 22px;
  background: rgba(17, 19, 26, 0.13);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.7vw, 46px);
}

.site-nav a {
  position: relative;
  padding: 30px 0 27px;
  font-size: 15px;
  font-weight: 650;
  color: #333a48;
  white-space: nowrap;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 17px;
  width: 0;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transform: translateX(-50%);
  transition: width 0.35s var(--ease);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: 24px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  border: 0;
  border-radius: 14px;
  background: rgba(16, 23, 53, 0.06);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  border-radius: 99px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  position: relative;
  min-height: 820px;
  padding-top: 82px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 79% 18%, rgba(60, 202, 221, 0.19), transparent 28%),
    radial-gradient(circle at 87% 72%, rgba(120, 104, 242, 0.23), transparent 35%),
    linear-gradient(123deg, #071128 0%, #0a1838 48%, #10245b 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 160px;
  background: linear-gradient(180deg, transparent, rgba(4, 10, 25, 0.2));
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 82px 0 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(126, 219, 239, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 219, 239, 0.16) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.7), transparent 75%);
}

.hero-aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.3;
  pointer-events: none;
}

.hero-aurora-one {
  right: -8%;
  top: 6%;
  width: 620px;
  height: 260px;
  background: linear-gradient(120deg, var(--mint), transparent 54%, var(--violet));
  transform: rotate(-19deg);
}

.hero-aurora-two {
  right: 15%;
  bottom: -22%;
  width: 680px;
  height: 420px;
  background: radial-gradient(circle, rgba(73, 143, 255, 0.7), transparent 70%);
}

.hero-shell {
  position: relative;
  z-index: 2;
  width: var(--shell);
  min-height: 738px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(470px, 0.84fr) minmax(610px, 1.16fr);
  align-items: center;
  gap: 10px;
}

.hero-copy {
  position: relative;
  z-index: 4;
  padding: 48px 0 70px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 24px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.25em;
  color: var(--cyan);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
}

.eyebrow span {
  width: 20px;
  height: 2px;
  background: currentColor;
  box-shadow: 8px 0 12px currentColor;
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(50px, 4.25vw, 74px);
  line-height: 1.15;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.hero-lead {
  margin: 28px 0 0;
  font-size: clamp(17px, 1.4vw, 21px);
  font-weight: 520;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.82);
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 38px;
}

.button {
  min-height: 58px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 17px;
  font-weight: 750;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s ease;
}

.button svg,
.text-link svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  min-width: 188px;
  color: #061128;
  background: linear-gradient(135deg, #72ecf0, #49c9ec);
  box-shadow: 0 14px 34px rgba(64, 215, 235, 0.3);
}

.button-primary:hover {
  box-shadow: 0 20px 46px rgba(64, 215, 235, 0.42);
}

.button-secondary {
  min-width: 176px;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.03);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.button-dark {
  margin-top: 26px;
  color: var(--white);
  background: var(--navy);
  box-shadow: 0 15px 35px rgba(16, 23, 53, 0.18);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.hero-proof li {
  display: flex;
  align-items: center;
}

.hero-proof li + li::before {
  content: "·";
  margin: 0 12px;
  color: var(--mint);
}

.tiny-star {
  position: relative;
  width: 16px;
  height: 16px;
  margin-right: 10px;
}

.tiny-star::before,
.tiny-star::after {
  content: "";
  position: absolute;
  inset: 7px 0;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.tiny-star::after {
  transform: rotate(90deg);
}

.hero-universe {
  position: relative;
  height: 700px;
  min-width: 0;
  isolation: isolate;
}

.orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(93, 221, 235, 0.28);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-8deg);
  box-shadow: inset 0 0 32px rgba(95, 206, 237, 0.03);
}

.orbit::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 17px var(--mint);
}

.orbit-one {
  width: 520px;
  height: 275px;
  animation: orbitSpin 24s linear infinite;
}

.orbit-two {
  width: 650px;
  height: 365px;
  transform: translate(-50%, -50%) rotate(19deg);
  animation: orbitSpinReverse 34s linear infinite;
}

.orbit-three {
  width: 390px;
  height: 520px;
  opacity: 0.55;
  transform: translate(-50%, -50%) rotate(65deg);
}

.core-glow {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(111, 242, 239, 0.34), rgba(85, 113, 255, 0.16) 42%, transparent 70%);
  filter: blur(8px);
  animation: breathe 4s ease-in-out infinite;
}

.core-star {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 132px;
  filter: drop-shadow(0 0 18px rgba(90, 228, 236, 0.9)) drop-shadow(0 0 45px rgba(121, 105, 247, 0.55));
  transform: translate(-50%, -50%);
  animation: starFloat 5s ease-in-out infinite;
}

.universe-node {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(133, 234, 242, 0.46);
  background: linear-gradient(145deg, rgba(22, 46, 98, 0.84), rgba(11, 26, 65, 0.72));
  box-shadow: 0 22px 55px rgba(0, 7, 31, 0.35), inset 0 1px rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(14px);
  will-change: transform;
}

.node-label {
  position: absolute;
  left: 50%;
  bottom: -28px;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.76);
  font-size: 11px;
  white-space: nowrap;
}

.node-vocab {
  left: 25%;
  top: 8%;
  width: 184px;
  min-height: 164px;
  padding: 20px;
  border-radius: 22px;
  transform: rotate(-5deg);
}

.node-vocab .node-kicker {
  display: block;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.node-vocab strong,
.node-vocab .phonetic,
.node-vocab .node-meaning {
  display: block;
}

.node-vocab strong {
  margin-top: 12px;
  font-size: 24px;
}

.node-vocab .phonetic {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 11px;
}

.node-vocab .node-meaning {
  margin-top: 5px;
  color: var(--mint);
  font-size: 11px;
}

.node-vocab svg {
  position: absolute;
  right: 12px;
  bottom: 10px;
  width: 72px;
  fill: none;
  stroke: var(--mint);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.9;
}

.node-audio {
  right: 4%;
  top: 13%;
  width: 228px;
  height: 112px;
  padding: 20px 18px;
  border-radius: 22px;
  transform: rotate(5deg);
}

.play-disc {
  position: absolute;
  left: 16px;
  top: 22px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.play-disc svg,
.anime-play svg {
  width: 16px;
  fill: var(--white);
}

.wave-bars {
  position: absolute;
  left: 60px;
  right: 16px;
  top: 25px;
  height: 27px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.wave-bars i {
  flex: 1;
  height: 34%;
  border-radius: 99px;
  background: linear-gradient(var(--mint), var(--cyan));
  animation: waveform 1.4s ease-in-out infinite alternate;
}

.wave-bars i:nth-child(2n) { height: 86%; animation-delay: -0.3s; }
.wave-bars i:nth-child(3n) { height: 58%; animation-delay: -0.7s; }
.wave-bars i:nth-child(5n) { height: 100%; animation-delay: -0.95s; }

.caption-line {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 15px;
  padding-top: 9px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.7);
  font-size: 10px;
}

.node-calendar {
  right: 0;
  top: 42%;
  width: 142px;
  height: 151px;
  padding: 24px 14px 14px;
  border-radius: 24px;
  text-align: center;
  transform: rotate(5deg);
}

.calendar-top {
  position: absolute;
  inset: 0 0 auto;
  height: 30px;
  border-radius: 24px 24px 8px 8px;
  background: linear-gradient(90deg, var(--coral), #ffb078);
}

.calendar-top i {
  position: absolute;
  top: -6px;
  width: 8px;
  height: 18px;
  border-radius: 99px;
  background: #fff;
}

.calendar-top i:first-child { left: 35px; }
.calendar-top i:last-child { right: 35px; }

.calendar-date {
  display: block;
  margin-top: 17px;
  font-size: 40px;
  font-weight: 850;
}

.calendar-copy {
  color: rgba(255, 255, 255, 0.66);
  font-size: 10px;
}

.reminder-dot {
  position: absolute;
  right: 11px;
  top: 37px;
  width: 18px;
  height: 18px;
  border: 5px solid #fff;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 16px var(--coral);
}

.node-starcards {
  right: 8%;
  bottom: 7%;
  width: 210px;
  height: 130px;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.mini-card {
  position: absolute;
  left: 50%;
  bottom: 14px;
  width: 72px;
  height: 96px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 24px;
  color: #fff;
  background: linear-gradient(155deg, #427cdb, #7868f2);
  box-shadow: 0 12px 26px rgba(5, 11, 38, 0.35), inset 0 1px rgba(255, 255, 255, 0.25);
  transform-origin: 50% 100%;
}

.card-math { transform: translateX(-50%) rotate(-24deg); }
.card-science { transform: translateX(-50%) rotate(-8deg); }
.card-language { transform: translateX(-50%) rotate(9deg); }
.card-nature { transform: translateX(-50%) rotate(25deg); background: linear-gradient(155deg, #39b8bd, #5be2bd); }

.node-anime {
  left: 35%;
  bottom: 2%;
  width: 185px;
  height: 109px;
  padding: 7px;
  border-radius: 20px;
  transform: rotate(-2deg);
}

.node-anime > svg {
  width: 100%;
  height: 100%;
}

.anime-play {
  position: absolute;
  left: 16px;
  bottom: 15px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--violet);
  box-shadow: 0 6px 20px rgba(64, 51, 171, 0.4);
}

.node-custom {
  left: 2%;
  bottom: 21%;
  width: 180px;
  height: 124px;
  border-radius: 22px;
  transform: rotate(-6deg);
}

.node-custom > svg {
  width: 100%;
  height: 100%;
  fill: rgba(83, 211, 231, 0.16);
  stroke: rgba(142, 235, 243, 0.74);
  stroke-width: 2;
}

.custom-block {
  position: absolute;
  z-index: 2;
  width: 37px;
  height: 37px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  background: linear-gradient(145deg, var(--cyan), var(--violet));
  box-shadow: 0 8px 18px rgba(13, 26, 71, 0.35);
}

.custom-block.b1 { left: 75px; top: 43px; }
.custom-block.b2 { left: 18px; top: 11px; background: var(--mint); }
.custom-block.b3 { left: 18px; bottom: 11px; background: var(--violet); }

.spark {
  position: absolute;
  z-index: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 15px #fff;
  animation: blink 2.5s ease-in-out infinite;
}

.s1 { left: 18%; top: 39%; }
.s2 { right: 18%; top: 36%; animation-delay: -1s; }
.s3 { left: 26%; bottom: 18%; animation-delay: -1.8s; }
.s4 { right: 30%; bottom: 22%; animation-delay: -0.6s; }

.section {
  position: relative;
  padding: 112px 0;
}

.section-shell {
  width: var(--shell);
  margin: 0 auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 470px);
  align-items: end;
  gap: 70px;
  margin-bottom: 52px;
}

.section-kicker {
  margin-bottom: 14px;
  color: var(--violet);
}

.section-kicker.light {
  color: var(--cyan);
}

.section h2 {
  margin: 0;
  font-size: clamp(38px, 3.6vw, 58px);
  line-height: 1.17;
  letter-spacing: -0.045em;
}

.section-heading > p,
.method-intro > p:last-child,
.starcards-copy > p:not(.section-kicker),
.collaboration-copy > p:not(.section-kicker) {
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
}

.product-section {
  background:
    radial-gradient(circle at 0 0, rgba(88, 217, 232, 0.1), transparent 28%),
    radial-gradient(circle at 100% 40%, rgba(120, 104, 242, 0.08), transparent 31%),
    var(--paper);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}

.product-card {
  position: relative;
  min-height: 520px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 22px 64px rgba(34, 48, 87, 0.09), inset 0 0 0 1px rgba(16, 23, 53, 0.025);
  overflow: hidden;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 214, 229, 0.45);
  box-shadow: 0 34px 84px rgba(34, 48, 87, 0.14);
}

.product-card-featured {
  grid-column: span 8;
  min-height: 560px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 10%, rgba(124, 230, 186, 0.23), transparent 32%),
    radial-gradient(circle at 48% 100%, rgba(120, 104, 242, 0.28), transparent 38%),
    linear-gradient(145deg, #0d1737, #182a66);
}

.listening-product {
  grid-column: span 4;
  background: linear-gradient(155deg, rgba(233, 255, 253, 0.92), rgba(245, 243, 255, 0.9));
}

.schedule-product,
.starcard-product,
.anime-product {
  grid-column: span 4;
}

.schedule-product {
  background: linear-gradient(155deg, #fff9f2, #fff);
}

.starcard-product {
  color: var(--white);
  background: linear-gradient(150deg, #182759, #4b46a5);
}

.anime-product {
  background: linear-gradient(155deg, #f1fffa, #eeecff);
}

.custom-product {
  grid-column: span 12;
  min-height: 390px;
  display: grid;
  grid-template-columns: minmax(380px, 0.85fr) minmax(510px, 1.15fr);
  align-items: center;
  gap: 50px;
  padding: 54px 62px;
  background:
    radial-gradient(circle at 80% 15%, rgba(88, 217, 232, 0.17), transparent 30%),
    linear-gradient(135deg, #ffffff, #f0f5ff);
}

.product-index {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 28px;
  margin-bottom: 22px;
  border-radius: 99px;
  color: var(--violet);
  background: rgba(120, 104, 242, 0.09);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.product-card-featured .product-index,
.starcard-product .product-index {
  color: var(--mint);
  background: rgba(124, 230, 186, 0.12);
}

.product-type {
  margin: 0 0 12px;
  color: var(--violet);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.2em;
}

.product-card-featured .product-type,
.starcard-product .product-type {
  color: var(--cyan);
}

.product-card h3 {
  margin: 0;
  font-size: clamp(29px, 2.3vw, 40px);
  letter-spacing: -0.04em;
}

.product-tagline {
  margin: 15px 0 0;
  color: #263049;
  font-size: 17px;
  font-weight: 750;
  line-height: 1.65;
}

.product-card-featured .product-tagline,
.starcard-product .product-tagline {
  color: rgba(255, 255, 255, 0.9);
}

.product-description {
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.product-card-featured .product-description,
.starcard-product .product-description {
  color: rgba(255, 255, 255, 0.65);
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 25px 0 0;
  padding: 0;
  list-style: none;
}

.feature-pills li {
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 99px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.055);
  font-size: 11px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 25px;
  color: var(--violet);
  font-size: 14px;
  font-weight: 800;
}

.product-card-featured .text-link,
.starcard-product .text-link {
  color: var(--mint);
}

.text-link svg {
  transition: transform 0.3s var(--ease);
}

.text-link:hover svg,
.text-link:hover span {
  transform: translateX(5px);
}

.vocab-showcase {
  position: relative;
  min-height: 470px;
}

.word-card-stack {
  position: absolute;
  left: 0;
  top: 34px;
  width: 62%;
  height: 392px;
}

.word-card {
  position: absolute;
  inset: 0;
  border-radius: 26px;
  box-shadow: 0 28px 55px rgba(2, 8, 28, 0.28);
}

.word-card-back {
  background: #4d45ad;
  transform: rotate(-10deg) translate(-10px, 6px) scale(0.93);
  opacity: 0.65;
}

.word-card-middle {
  padding: 30px;
  color: #203055;
  background: var(--mint);
  transform: rotate(-4deg) translate(-2px, 3px) scale(0.97);
}

.word-card-middle span {
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.2em;
}

.word-card-middle strong {
  display: block;
  margin-top: 22px;
  font-size: 48px;
}

.word-card-front {
  padding: 23px 24px;
  color: #172141;
  background: linear-gradient(165deg, #ffffff, #eafcff);
  transform: rotate(2deg);
}

.word-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #68748a;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.word-card-top button {
  width: 32px;
  height: 32px;
  padding: 7px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--violet);
}

.word-card-top svg {
  width: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.word-card-front > strong {
  display: block;
  margin-top: 17px;
  font-size: clamp(28px, 2.3vw, 40px);
  letter-spacing: -0.03em;
}

.word-phonetic,
.word-meaning {
  display: block;
}

.word-phonetic {
  margin-top: 3px;
  color: #718096;
  font-size: 12px;
}

.word-meaning {
  margin-top: 7px;
  color: #208f7a;
  font-size: 13px;
  font-weight: 750;
}

.word-illustration {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 11px;
  width: calc(100% - 44px);
  height: 139px;
}

.comic-card {
  position: absolute;
  right: -3px;
  bottom: 4px;
  width: 47%;
  height: 330px;
  border: 5px solid #fff;
  border-radius: 24px;
  color: #172141;
  background:
    radial-gradient(circle at 80% 18%, rgba(255, 213, 106, 0.72), transparent 27%),
    linear-gradient(145deg, #e9fffa, #d9d5ff);
  box-shadow: 0 25px 55px rgba(2, 8, 28, 0.28);
  transform: rotate(3deg);
  overflow: hidden;
}

.comic-card::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image: radial-gradient(#10214e 0.8px, transparent 0.8px);
  background-size: 7px 7px;
}

.comic-label {
  position: absolute;
  left: 14px;
  top: 12px;
  z-index: 2;
  padding: 5px 8px;
  border-radius: 6px;
  color: #fff;
  background: var(--navy);
  font-size: 7px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.speech-bubble {
  position: absolute;
  right: 11px;
  top: 46px;
  z-index: 3;
  width: 139px;
  padding: 12px 14px;
  border: 3px solid #172141;
  border-radius: 18px;
  background: #fff;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.speech-bubble::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: -11px;
  width: 17px;
  height: 17px;
  border-right: 3px solid #172141;
  border-bottom: 3px solid #172141;
  background: #fff;
  transform: rotate(45deg);
}

.comic-character {
  position: absolute;
  z-index: 2;
  left: 7px;
  bottom: -14px;
  width: 80%;
}

.comic-sfx {
  position: absolute;
  z-index: 3;
  right: 12px;
  bottom: 31px;
  color: #ff5f55;
  font-size: 27px;
  font-weight: 950;
  transform: rotate(-11deg);
  text-shadow: 2px 2px #fff;
}

.product-icon {
  position: relative;
  height: 190px;
  margin: -4px 0 12px;
  display: grid;
  place-items: center;
}

.product-icon > svg {
  width: min(240px, 100%);
  height: 180px;
  filter: drop-shadow(0 18px 24px rgba(47, 64, 111, 0.14));
  transition: transform 0.45s var(--ease);
}

.product-card:hover .product-icon > svg {
  transform: translateY(-6px) scale(1.035);
}

.starcards-icon {
  height: 190px;
  perspective: 800px;
}

.deck-card {
  position: absolute;
  left: 50%;
  top: 42px;
  width: 88px;
  height: 118px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 29px;
  font-weight: 850;
  background: linear-gradient(145deg, #4d72d9, #7868f2);
  box-shadow: 0 18px 35px rgba(0, 6, 31, 0.25), inset 0 1px rgba(255, 255, 255, 0.27);
  transform-origin: 50% 100%;
  transition: transform 0.45s var(--ease);
}

.dc-one { transform: translateX(-50%) rotate(-27deg); }
.dc-two { transform: translateX(-50%) rotate(-9deg); }
.dc-three { transform: translateX(-50%) rotate(10deg); }
.dc-four { transform: translateX(-50%) rotate(28deg); background: linear-gradient(145deg, #44c0c3, #69e5b5); }

.starcard-product:hover .dc-one { transform: translateX(-50%) rotate(-32deg) translateY(-7px); }
.starcard-product:hover .dc-two { transform: translateX(-50%) rotate(-11deg) translateY(-9px); }
.starcard-product:hover .dc-three { transform: translateX(-50%) rotate(12deg) translateY(-10px); }
.starcard-product:hover .dc-four { transform: translateX(-50%) rotate(33deg) translateY(-7px); }

.custom-map {
  position: relative;
  min-height: 270px;
}

.custom-map > svg {
  position: absolute;
  inset: 25px 0 0;
  width: 100%;
  height: 230px;
}

.map-node {
  position: absolute;
  z-index: 2;
  width: 104px;
  min-height: 74px;
  border: 1px solid rgba(120, 104, 242, 0.18);
  border-radius: 20px;
  display: grid;
  place-items: center;
  color: #34415e;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 30px rgba(35, 49, 90, 0.1);
  font-size: 13px;
  font-weight: 800;
}

.node-idea { left: 0; top: 28px; }
.node-content { left: 0; bottom: 15px; }
.node-ai { left: 50%; top: 50%; transform: translate(-50%, -50%); color: #fff; background: var(--navy); }
.node-product { right: 0; top: 50%; transform: translateY(-50%); width: 128px; color: #fff; background: linear-gradient(145deg, var(--violet), #5142be); }

.method-section {
  background: #fff;
}

.method-shell {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: center;
  gap: 88px;
}

.method-intro h2 {
  margin-bottom: 28px;
}

.method-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.method-flow li {
  position: relative;
  min-height: 240px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fbfcff;
  transition: transform 0.4s var(--ease), background 0.4s ease;
}

.method-flow li:hover {
  transform: translateY(-5px);
  background: #f5fbff;
}

.method-flow li > span {
  color: #8c96a8;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.16em;
}

.flow-symbol {
  width: 58px;
  height: 58px;
  margin: 22px 0;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: var(--violet);
  background: linear-gradient(145deg, rgba(88, 217, 232, 0.13), rgba(120, 104, 242, 0.14));
  font-size: 25px;
  font-weight: 800;
}

.method-flow h3 {
  margin: 0;
  font-size: 20px;
}

.method-flow p {
  margin: 9px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.starcards-section {
  min-height: 770px;
  display: grid;
  align-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 75% 50%, rgba(73, 127, 255, 0.27), transparent 35%),
    linear-gradient(135deg, #071128, #101d4e 62%, #1b2860);
  overflow: hidden;
}

.starcards-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image: radial-gradient(rgba(255, 255, 255, 0.75) 0.8px, transparent 0.8px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, transparent, #000 50%, #000);
}

.starcards-glow {
  position: absolute;
  right: 14%;
  top: 50%;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(88, 217, 232, 0.22), rgba(120, 104, 242, 0.1) 46%, transparent 72%);
  transform: translateY(-50%);
  animation: sectionGlow 5s ease-in-out infinite;
}

.starcards-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 60px;
}

.starcards-copy p:not(.section-kicker) {
  max-width: 580px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.67);
}

.check-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 99px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.05);
  font-size: 12px;
}

.starcards-stage {
  position: relative;
  height: 530px;
  perspective: 1200px;
}

.starcard {
  position: absolute;
  width: 225px;
  height: 305px;
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 26px;
  color: #fff;
  background: linear-gradient(155deg, rgba(69, 108, 210, 0.92), rgba(77, 55, 173, 0.94));
  box-shadow: 0 38px 70px rgba(0, 5, 29, 0.4), inset 0 1px rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(12px);
  transition: transform 0.6s var(--ease);
}

.starcard span {
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.starcard strong {
  display: block;
  margin-top: 15px;
  font-size: 36px;
}

.starcard i {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  margin: 30px auto;
  border-radius: 26px;
  color: var(--mint);
  background: rgba(255, 255, 255, 0.08);
  font-size: 35px;
  font-style: normal;
  font-weight: 800;
}

.starcard small {
  display: block;
  color: rgba(255, 255, 255, 0.64);
  text-align: center;
}

.sc-one { left: 15%; top: 17%; transform: rotate(-18deg) translateZ(-70px); }
.sc-two { left: 35%; top: 8%; transform: rotate(-5deg) translateZ(-25px); }
.sc-three { right: 17%; top: 12%; transform: rotate(9deg) translateZ(10px); }
.sc-four { right: 0; top: 25%; transform: rotate(21deg) translateZ(-55px); background: linear-gradient(155deg, #279fa8, #4f6fbe); }

.starcards-stage:hover .sc-one { transform: rotate(-22deg) translate(-12px, -8px) translateZ(-40px); }
.starcards-stage:hover .sc-two { transform: rotate(-7deg) translate(0, -17px) translateZ(0); }
.starcards-stage:hover .sc-three { transform: rotate(11deg) translate(4px, -13px) translateZ(25px); }
.starcards-stage:hover .sc-four { transform: rotate(25deg) translate(14px, -5px) translateZ(-25px); }

.starcard-orbit {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 560px;
  transform: translate(-50%, -50%);
  opacity: 0.55;
  z-index: -1;
}

.anime-section {
  background: linear-gradient(180deg, #fff, #f3fbff);
}

.comic-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.comic-frame {
  position: relative;
  min-height: 450px;
  padding: 14px;
  border: 4px solid var(--navy);
  border-radius: 22px;
  background: #fff;
  box-shadow: 10px 12px 0 rgba(16, 23, 53, 0.08);
  transform: rotate(-0.5deg);
}

.comic-frame:nth-child(2) { transform: rotate(0.6deg); }
.comic-frame:nth-child(3) { transform: rotate(-0.3deg); }

.frame-no {
  display: inline-block;
  padding: 7px 10px;
  border-radius: 7px;
  color: #fff;
  background: var(--navy);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.comic-scene {
  position: relative;
  height: 330px;
  margin-top: 12px;
  border-radius: 13px;
  overflow: hidden;
}

.scene-question {
  background:
    radial-gradient(circle at 80% 10%, rgba(255, 213, 106, 0.65), transparent 25%),
    linear-gradient(145deg, #e3fff9, #d9d3ff);
}

.bubble {
  position: absolute;
  z-index: 3;
  right: 22px;
  top: 22px;
  padding: 14px 18px;
  border: 3px solid var(--navy);
  border-radius: 20px;
  background: #fff;
  font-size: 15px;
  font-weight: 850;
  line-height: 1.5;
}

.character-student {
  position: absolute;
  left: 23%;
  bottom: -45px;
  width: 180px;
  height: 265px;
  border-radius: 50% 50% 0 0;
  background: var(--violet);
}

.character-student::before {
  content: "";
  position: absolute;
  left: 36px;
  top: 18px;
  width: 108px;
  height: 108px;
  border-radius: 48% 48% 44% 46%;
  background: #ffe1c3;
}

.character-student i {
  position: absolute;
  z-index: 2;
  left: 24px;
  top: -2px;
  width: 132px;
  height: 75px;
  border-radius: 70% 60% 35% 30%;
  background: #1d2e66;
  transform: rotate(-5deg);
}

.character-student b {
  position: absolute;
  z-index: 3;
  left: 66px;
  top: 69px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1e2945;
  box-shadow: 40px 0 #1e2945;
}

.question-mark {
  position: absolute;
  left: 20px;
  top: 26px;
  color: var(--coral);
  font-size: 84px;
  font-weight: 950;
  transform: rotate(-11deg);
}

.scene-explain {
  background: var(--navy);
}

.scene-explain > svg {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 31px;
  width: calc(100% - 40px);
}

.scene-explain .bubble {
  left: 24px;
  right: auto;
  color: var(--navy);
}

.scene-master {
  display: grid;
  place-items: center;
  background:
    repeating-radial-gradient(circle at 50% 50%, transparent 0 25px, rgba(255, 255, 255, 0.2) 26px 28px),
    linear-gradient(145deg, var(--yellow), var(--coral));
}

.answer-card {
  padding: 29px 38px;
  border: 4px solid var(--navy);
  border-radius: 18px;
  color: var(--navy);
  background: #fff;
  text-align: center;
  font-size: 15px;
  font-weight: 800;
  transform: rotate(-4deg);
  box-shadow: 8px 9px 0 var(--navy);
}

.answer-card b {
  display: block;
  margin-top: 8px;
  color: var(--violet);
  font-size: 29px;
}

.burst {
  position: absolute;
  right: 18px;
  top: 31px;
  color: var(--navy);
  font-size: 31px;
  font-weight: 950;
  transform: rotate(10deg);
}

.sparkle {
  position: absolute;
  color: #fff;
  font-size: 30px;
}

.sparkle.one { left: 20px; top: 42px; }
.sparkle.two { right: 30px; bottom: 26px; }

.comic-frame > p {
  margin: 20px 10px 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.collaboration-section {
  padding: 0 0 112px;
  background: linear-gradient(180deg, #f3fbff, var(--paper));
}

.collaboration-shell {
  min-height: 520px;
  padding: 70px;
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  align-items: center;
  gap: 80px;
  color: #fff;
  background:
    radial-gradient(circle at 90% 20%, rgba(124, 230, 186, 0.22), transparent 27%),
    radial-gradient(circle at 20% 100%, rgba(120, 104, 242, 0.25), transparent 36%),
    var(--navy);
  box-shadow: 0 38px 90px rgba(16, 23, 53, 0.23);
}

.collaboration-copy > p:not(.section-kicker) {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.67);
}

.collaboration-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 13px;
}

.collaboration-steps > div {
  min-height: 160px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.055);
  transition: transform 0.4s var(--ease), background 0.4s ease;
}

.collaboration-steps > div:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.09);
}

.collaboration-steps span {
  display: block;
  color: var(--mint);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.collaboration-steps strong,
.collaboration-steps small {
  display: block;
}

.collaboration-steps strong {
  margin-top: 23px;
  font-size: 20px;
}

.collaboration-steps small {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.57);
  font-size: 12px;
  line-height: 1.6;
}

.site-footer {
  padding: 82px 0 0;
  color: rgba(255, 255, 255, 0.78);
  background: #060b19;
}

.footer-shell {
  width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 90px;
  padding-bottom: 72px;
}

.footer-brand-lockup {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.footer-brand-cn {
  color: #fff;
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.08em;
}

.footer-brand-en {
  color: var(--cyan);
  font-size: 21px;
  font-weight: 850;
}

.footer-brand p {
  max-width: 410px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.51);
  font-size: 14px;
  line-height: 1.8;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-nav h3 {
  margin: 0 0 20px;
  color: #fff;
  font-size: 14px;
}

.footer-nav a {
  display: block;
  margin: 12px 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
  transition: color 0.25s ease, transform 0.25s ease;
}

.footer-nav a:hover {
  color: var(--cyan);
  transform: translateX(4px);
}

.footer-bottom {
  width: var(--shell);
  margin: 0 auto;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.38);
  font-size: 12px;
}

.footer-bottom a:hover {
  color: var(--cyan);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes orbitSpin {
  from { transform: translate(-50%, -50%) rotate(-8deg); }
  to { transform: translate(-50%, -50%) rotate(352deg); }
}

@keyframes orbitSpinReverse {
  from { transform: translate(-50%, -50%) rotate(379deg); }
  to { transform: translate(-50%, -50%) rotate(19deg); }
}

@keyframes breathe {
  0%, 100% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.7; }
  50% { transform: translate(-50%, -50%) scale(1.08); opacity: 1; }
}

@keyframes starFloat {
  0%, 100% { transform: translate(-50%, -50%) translateY(-4px) rotate(-2deg); }
  50% { transform: translate(-50%, -50%) translateY(8px) rotate(2deg); }
}

@keyframes waveform {
  from { transform: scaleY(0.6); opacity: 0.68; }
  to { transform: scaleY(1.05); opacity: 1; }
}

@keyframes sectionGlow {
  0%, 100% { transform: translateY(-50%) scale(0.92); opacity: 0.72; }
  50% { transform: translateY(-50%) scale(1.08); opacity: 1; }
}

@keyframes blink {
  0%, 100% { opacity: 0.25; transform: scale(0.7); }
  50% { opacity: 1; transform: scale(1.3); }
}

@media (max-width: 1260px) {
  :root { --shell: min(100% - 44px, 1180px); }

  .site-nav { gap: 22px; }
  .site-nav a { font-size: 14px; }
  .brand-image-cn { width: 112px; background-size: 143px 143px; }
  .brand-image-en { width: 80px; background-size: 106px 106px; }

  .hero-shell {
    grid-template-columns: minmax(410px, 0.88fr) minmax(530px, 1.12fr);
  }

  .hero-universe { transform: scale(0.9); transform-origin: center right; }
  .product-card-featured { grid-column: span 12; }
  .listening-product,
  .schedule-product,
  .starcard-product,
  .anime-product { grid-column: span 6; }
}

@media (max-width: 1020px) {
  .menu-toggle { display: block; }

  .site-nav {
    position: fixed;
    inset: 82px 18px auto;
    display: grid;
    gap: 0;
    padding: 14px;
    border: 1px solid rgba(16, 23, 53, 0.08);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    transform: translateY(-18px) scale(0.98);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s var(--ease), visibility 0.3s;
  }

  .site-nav.open {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .site-nav a {
    padding: 15px 16px;
    border-radius: 12px;
  }

  .site-nav a:hover { background: rgba(88, 217, 232, 0.09); }
  .site-nav a::after { display: none; }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .hero { min-height: 1160px; }
  .hero-shell { grid-template-columns: 1fr; min-height: auto; padding-top: 100px; }
  .hero-copy { padding: 0; max-width: 740px; }
  .hero-universe { height: 650px; transform: none; }

  .section-heading,
  .method-shell,
  .starcards-shell,
  .collaboration-shell,
  .footer-shell { grid-template-columns: 1fr; }

  .section-heading { gap: 24px; }
  .section-heading > p { max-width: 650px; }
  .method-shell { gap: 50px; }
  .starcards-shell { gap: 30px; }
  .collaboration-shell { gap: 45px; }
  .footer-shell { gap: 50px; }

  .custom-product { grid-template-columns: 1fr; }
  .custom-map { min-height: 260px; }
}

@media (max-width: 760px) {
  :root {
    --shell: calc(100% - 30px);
    --radius-xl: 28px;
    --radius-lg: 24px;
  }

  .site-header { height: 72px; }
  .site-nav { top: 72px; }
  .brand { gap: 4px; }
  .brand-divider,
  .brand-image-en { display: none; }
  .brand-image-cn { width: 111px; height: 40px; background-size: 140px 140px; }

  .hero {
    min-height: 1080px;
    padding-top: 72px;
  }

  .hero-grid { top: 72px; background-size: 46px 46px; }
  .hero-shell { padding-top: 70px; }
  .hero h1 { font-size: clamp(42px, 12vw, 58px); line-height: 1.18; }
  .hero-lead { font-size: 15px; line-height: 1.8; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .hero-proof { line-height: 2; }

  .hero-universe {
    height: 545px;
    margin-top: 10px;
    transform: scale(0.82);
    transform-origin: top center;
  }

  .orbit-one { width: 420px; height: 230px; }
  .orbit-two { width: 500px; height: 300px; }
  .orbit-three { width: 310px; height: 410px; }
  .node-vocab { left: 10%; top: 8%; }
  .node-audio { right: -9%; top: 17%; }
  .node-calendar { right: -8%; top: 49%; }
  .node-custom { left: -11%; bottom: 18%; }
  .node-starcards { right: -2%; bottom: 1%; }
  .node-anime { left: 25%; bottom: -3%; }

  .section { padding: 82px 0; }
  .section-heading { margin-bottom: 35px; }
  .section h2 { font-size: 38px; }

  .product-grid { display: block; }
  .product-card { min-height: 0; margin-bottom: 16px; padding: 27px; }
  .product-card-featured { display: block; }
  .vocab-showcase { min-height: 515px; margin-top: 24px; }
  .word-card-stack { width: 77%; height: 365px; }
  .comic-card { width: 55%; height: 290px; }
  .speech-bubble { width: 128px; font-size: 10px; }
  .custom-product { padding: 36px 27px; }
  .custom-map { transform: scale(0.86); transform-origin: center; }

  .method-flow,
  .comic-strip,
  .collaboration-steps,
  .footer-nav { grid-template-columns: 1fr; }

  .method-flow li { min-height: 210px; }
  .starcards-section { min-height: 1030px; }
  .starcards-stage { height: 580px; transform: scale(0.83); transform-origin: top center; }
  .starcard { width: 195px; height: 275px; }
  .sc-one { left: 5%; }
  .sc-two { left: 28%; }
  .sc-three { right: 11%; top: 35%; }
  .sc-four { right: -9%; top: 40%; }

  .comic-frame { min-height: 430px; }
  .collaboration-section { padding-bottom: 80px; }
  .collaboration-shell { padding: 42px 26px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; }
}

@media (max-width: 410px) {
  .hero h1 { font-size: 39px; }
  .hero-universe { transform: scale(0.72); margin-left: -32px; margin-right: -32px; }
  .vocab-showcase { min-height: 465px; }
  .word-card-stack { width: 84%; height: 325px; }
  .comic-card { right: -14px; bottom: 2px; width: 61%; height: 260px; }
  .comic-character { width: 86%; }
  .product-icon { height: 165px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}