:root {
  --brand: #6e4bfa;
  --brand-deep: #4a30c8;
  --brand-soft: #efeaff;
  --accent: #ff8a3d;
  --accent-soft: #ffd3b4;
  --mint: #49d2c4;
  --ink: #1f2340;
  --text: #303656;
  --muted: #67708f;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --line: rgba(80, 67, 147, 0.12);
  --shadow: 0 24px 70px rgba(51, 33, 133, 0.15);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1200px;
  --transition: 240ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: "Poppins", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(110, 75, 250, 0.18), transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(255, 138, 61, 0.18), transparent 24%),
    linear-gradient(180deg, #fbf9ff 0%, #fffdf9 45%, #f6f8ff 100%);
}

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

button,
input {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.page-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 18px auto 0;
  padding: 14px 20px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  border-radius: 999px;
  background: rgba(250, 248, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 40px rgba(40, 31, 86, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 14px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
  box-shadow: 0 12px 30px rgba(110, 75, 250, 0.3);
}

.brand-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-text strong {
  font-size: 1rem;
  color: var(--ink);
}

.brand-text small {
  font-size: 0.74rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex: 1;
  padding-inline: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a {
  transition: color var(--transition);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--brand);
}

.topbar-cta,
.button,
.join-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.topbar-cta,
.button.primary,
.join-form button {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 65%, var(--accent) 100%);
  box-shadow: 0 18px 40px rgba(80, 53, 192, 0.28);
}

.topbar-cta:hover,
.button:hover,
.join-form button:hover {
  transform: translateY(-2px);
}

.button {
  padding: 0 24px;
}

.button.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(110, 75, 250, 0.14);
}

.scroll-shell {
  scroll-snap-type: y mandatory;
}

.panel {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 100vh;
  padding: 88px 24px 52px;
  scroll-snap-align: start;
  overflow: hidden;
}

.panel > * {
  width: min(100%, var(--max-width));
  margin-inline: auto;
}

.hero-panel {
  align-content: center;
  gap: 24px;
  padding-top: 56px;
  padding-bottom: 72px;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.88fr);
  gap: 28px;
  align-items: center;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.75;
}

.orb-a {
  top: 6%;
  left: -8%;
  width: 28vw;
  height: 28vw;
  background: radial-gradient(circle, rgba(110, 75, 250, 0.42), transparent 62%);
  animation: drift 14s ease-in-out infinite;
}

.orb-b {
  right: -8%;
  bottom: 18%;
  width: 34vw;
  height: 34vw;
  background: radial-gradient(circle, rgba(255, 138, 61, 0.28), transparent 60%);
  animation: drift 18s ease-in-out infinite reverse;
}

.orb-c {
  top: 28%;
  right: 24%;
  width: 14vw;
  height: 14vw;
  background: radial-gradient(circle, rgba(73, 210, 196, 0.34), transparent 68%);
  animation: pulse 6s ease-in-out infinite;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--brand);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 10ch;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.hero-subtitle {
  max-width: 34rem;
  margin-top: 22px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.75;
  color: var(--muted);
}

.type-line {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 62px;
  margin-top: 28px;
  padding: 14px 18px;
  border: 1px solid rgba(110, 75, 250, 0.14);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 40px rgba(68, 52, 153, 0.08);
}

.type-prefix {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(110, 75, 250, 0.1);
}

.type-text {
  display: inline-flex;
  align-items: center;
  min-height: 1.4em;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
}

.type-text::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 1.1em;
  margin-left: 6px;
  vertical-align: middle;
  background: currentColor;
  animation: blink 1s steps(1) infinite;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.scene-grid {
  display: grid;
  gap: 16px;
}

.scene-tile {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 24px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.08)),
    var(--tile-gradient);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.scene-tile span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.9;
}

.scene-tile strong {
  font-size: 1.14rem;
  line-height: 1.5;
}

.tile-food {
  --tile-gradient: linear-gradient(135deg, rgba(255, 138, 61, 0.92), rgba(255, 111, 145, 0.85));
  transform: translateX(18px);
}

.tile-mountain {
  --tile-gradient: linear-gradient(135deg, rgba(73, 210, 196, 0.92), rgba(52, 108, 255, 0.78));
}

.tile-cos {
  --tile-gradient: linear-gradient(135deg, rgba(110, 75, 250, 0.92), rgba(187, 68, 247, 0.78));
  transform: translateX(42px);
}

.stats-ribbon {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.stat-card {
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 40px rgba(56, 39, 129, 0.08);
}

.stat-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.94rem;
}

.stat-card strong {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  color: var(--ink);
}

.stat-card b {
  color: var(--brand);
  font-weight: 700;
}

.scroll-cue {
  position: absolute;
  bottom: 22px;
  left: 50%;
  z-index: 1;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  transform: translateX(-50%);
}

.plane {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--brand);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 16px 34px rgba(55, 37, 124, 0.15);
  animation: bounce 1.8s ease-in-out infinite;
}

.section-heading {
  display: grid;
  gap: 14px;
  max-width: 720px;
  margin-bottom: 34px;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.section-heading p:last-child {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--muted);
}

.offer-panel,
.stories-panel,
.promise-panel,
.join-panel {
  gap: 24px;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.offer-card,
.voice-card,
.promise-card,
.join-card {
  border: 1px solid rgba(110, 75, 250, 0.12);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.offer-card {
  overflow: hidden;
  border-radius: 30px;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.offer-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 30px 70px rgba(45, 32, 111, 0.18);
}

.offer-visual {
  min-height: 230px;
  background-size: cover;
  background-position: center;
}

.visual-food {
  background:
    radial-gradient(circle at 75% 25%, rgba(255, 255, 255, 0.24), transparent 18%),
    linear-gradient(145deg, rgba(255, 138, 61, 0.82), rgba(255, 76, 111, 0.82)),
    linear-gradient(120deg, #45296f, #231542);
}

.visual-nature {
  background:
    radial-gradient(circle at 25% 20%, rgba(255, 255, 255, 0.3), transparent 14%),
    linear-gradient(160deg, rgba(73, 210, 196, 0.88), rgba(28, 90, 177, 0.9)),
    linear-gradient(120deg, #0f3b5c, #0d1838);
}

.visual-anime {
  background:
    radial-gradient(circle at 72% 25%, rgba(255, 255, 255, 0.22), transparent 16%),
    linear-gradient(145deg, rgba(110, 75, 250, 0.9), rgba(229, 99, 255, 0.88)),
    linear-gradient(120deg, #3d2459, #181237);
}

.offer-copy {
  padding: 22px 22px 26px;
}

.offer-tag {
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 0.9rem;
  font-weight: 600;
}

.offer-copy h3 {
  margin-bottom: 12px;
  font-size: 1.7rem;
  color: var(--ink);
}

.offer-copy p:last-child,
.promise-card p,
.join-card p,
.voice-card span,
.offer-footer,
.trust-ribbon p,
.footer-slogan,
.copyright {
  line-height: 1.8;
  color: var(--muted);
}

.offer-footer,
.trust-ribbon,
.promise-slogan {
  text-align: center;
}

.offer-footer {
  max-width: 780px;
  margin-top: 6px;
  font-size: 1.04rem;
}

.stories-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 26px;
  align-items: start;
}

.photo-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.photo-card {
  position: relative;
  min-height: 220px;
  padding: 18px;
  border-radius: 28px;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(180deg, rgba(17, 23, 45, 0.02), rgba(17, 23, 45, 0.6)),
    linear-gradient(135deg, rgba(255, 138, 61, 0.85), rgba(110, 75, 250, 0.88));
  box-shadow: var(--shadow);
}

.photo-card:nth-child(2n) {
  background:
    linear-gradient(180deg, rgba(14, 25, 51, 0.04), rgba(14, 25, 51, 0.6)),
    linear-gradient(135deg, rgba(73, 210, 196, 0.92), rgba(68, 110, 255, 0.82));
}

.photo-card:nth-child(3n) {
  background:
    linear-gradient(180deg, rgba(17, 23, 45, 0.02), rgba(17, 23, 45, 0.58)),
    linear-gradient(135deg, rgba(255, 132, 178, 0.9), rgba(110, 75, 250, 0.86));
}

.photo-card::before {
  content: "";
  position: absolute;
  inset: -30% auto auto -10%;
  width: 80%;
  height: 80%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  filter: blur(10px);
  z-index: -1;
}

.photo-card span,
.photo-card strong {
  display: block;
}

.photo-card span {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.9;
}

.photo-card strong {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  font-size: 1.06rem;
  line-height: 1.65;
}

.photo-card.wide {
  grid-column: span 2;
}

.photo-card.tall {
  min-height: 300px;
}

.testimonials {
  display: grid;
  gap: 18px;
}

.voice-card {
  padding: 26px;
  border-radius: 26px;
}

.voice-card p {
  margin-bottom: 14px;
  font-size: 1.18rem;
  line-height: 1.8;
  color: var(--ink);
}

.trust-ribbon {
  padding: 20px 26px;
  border: 1px solid rgba(110, 75, 250, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 16px 40px rgba(55, 37, 124, 0.08);
}

.trust-ribbon b {
  color: var(--brand);
}

.promise-stack {
  display: grid;
  gap: 18px;
}

.promise-card {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 22px;
  border-radius: 28px;
}

.promise-icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 24px;
  font-weight: 700;
  color: var(--brand);
  background:
    linear-gradient(180deg, rgba(110, 75, 250, 0.18), rgba(110, 75, 250, 0.06)),
    #fff;
}

.promise-card h3 {
  margin-bottom: 8px;
  font-size: 1.7rem;
  color: var(--ink);
}

.promise-slogan {
  margin-top: 10px;
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--brand);
}

.join-panel {
  padding-bottom: 36px;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 138, 61, 0.22), transparent 22%),
    radial-gradient(circle at 82% 18%, rgba(110, 75, 250, 0.24), transparent 26%),
    linear-gradient(135deg, #fff8f2 0%, #f7f3ff 48%, #eefbff 100%);
}

.join-card {
  max-width: 780px;
  padding: 44px;
  border-radius: 38px;
  text-align: center;
}

.join-card h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.08;
  color: var(--ink);
}

.join-card > p:nth-of-type(2) {
  max-width: 42rem;
  margin: 18px auto 0;
}

.join-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  margin-top: 28px;
}

.join-form input {
  min-height: 56px;
  width: 100%;
  padding: 0 22px;
  border: 1px solid rgba(110, 75, 250, 0.12);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.join-form input:focus {
  outline: 2px solid rgba(110, 75, 250, 0.22);
  outline-offset: 2px;
}

.form-note {
  margin-top: 14px;
  font-size: 0.95rem;
}

.footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: center;
  margin-top: 30px;
  padding-top: 28px;
  border-top: 1px solid rgba(110, 75, 250, 0.12);
}

.footer-brand {
  font-weight: 700;
  color: var(--ink);
}

.socials {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.socials a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--brand);
  background: rgba(110, 75, 250, 0.08);
}

.copyright {
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 680ms ease,
    transform 680ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.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;
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(30px, -20px, 0) scale(1.05);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.12);
    opacity: 0.82;
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(6px);
  }
}

@media (max-width: 1100px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 100%;
  }

  .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tile-food,
  .tile-cos {
    transform: none;
  }

  .stories-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .topbar {
    top: 10px;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 24px;
  }

  .nav {
    display: none;
  }

  .panel {
    min-height: auto;
    padding-top: 72px;
    scroll-snap-align: none;
  }

  .hero-panel {
    padding-bottom: 42px;
  }

  .scroll-shell {
    scroll-snap-type: none;
  }

  .stats-ribbon,
  .offer-grid,
  .footer,
  .scene-grid {
    grid-template-columns: 1fr;
  }

  .photo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .join-form {
    grid-template-columns: 1fr;
  }

  .scroll-cue {
    position: static;
    transform: none;
    justify-self: center;
    margin-top: 6px;
  }

  .copyright,
  .footer,
  .join-card,
  .section-heading,
  .offer-footer,
  .trust-ribbon,
  .promise-slogan {
    text-align: left;
  }

  .socials {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .topbar {
    width: calc(100% - 20px);
    padding: 12px 14px;
  }

  .topbar-cta {
    display: none;
  }

  .brand-text small {
    font-size: 0.68rem;
  }

  .panel {
    padding-inline: 16px;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.4rem, 11vw, 3.4rem);
  }

  .hero-subtitle,
  .section-heading p:last-child,
  .offer-copy p:last-child,
  .voice-card p {
    font-size: 1rem;
  }

  .type-line {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
  }

  .button,
  .join-form button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .photo-wall {
    grid-template-columns: 1fr;
  }

  .photo-card.wide {
    grid-column: auto;
  }

  .trust-ribbon {
    border-radius: 28px;
  }

  .promise-card {
    grid-template-columns: 1fr;
  }

  .join-card {
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}