:root {
  --font-body: "Manrope", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --bg-page: #f3eadf;
  --bg-shell: rgba(255, 250, 243, 0.9);
  --bg-card: rgba(246, 235, 221, 0.98);
  --bg-card-hover: rgba(248, 239, 228, 1);
  --line: rgba(83, 58, 35, 0.14);
  --line-strong: rgba(83, 58, 35, 0.24);
  --text-main: #1f1711;
  --text-soft: rgba(31, 23, 17, 0.72);
  --text-faint: rgba(31, 23, 17, 0.5);
  --gold: #db9f56;
  --amber: #bf6b45;
  --blue: #4f7094;
  --teal: #3f746c;
  --shadow: 0 28px 90px rgba(77, 49, 25, 0.14);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --transition: 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 10%, rgba(191, 107, 69, 0.14), transparent 24%),
    radial-gradient(circle at 88% 14%, rgba(79, 112, 148, 0.12), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(219, 159, 86, 0.12), transparent 28%),
    linear-gradient(180deg, #faf2e6 0%, #f3eadf 100%);
  color: var(--text-main);
  font-family: var(--font-body);
}

body::before {
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(72, 48, 29, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 48, 29, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 34%, transparent 82%);
  pointer-events: none;
  content: "";
}

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

.page-shell {
  position: relative;
  min-height: 100vh;
  padding: 24px;
}

.page-noise {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.9) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 30%, rgba(219, 159, 86, 0.68) 0 1px, transparent 1px),
    radial-gradient(circle at 54% 76%, rgba(79, 112, 148, 0.54) 0 1px, transparent 1px);
  background-size: 34px 34px, 48px 48px, 52px 52px;
}

.portal-shell {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: calc(100vh - 48px);
  grid-template-rows: auto 1fr;
  gap: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 40px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.56), rgba(255, 255, 255, 0.18) 24%, transparent),
    var(--bg-shell);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 20px;
  align-items: end;
}

.hero-copy {
  max-width: 780px;
}

.hero-title-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.hero-title-row__logo {
  display: block;
  width: min(170px, 28vw);
  height: auto;
  filter: drop-shadow(0 14px 26px rgba(15, 20, 34, 0.12));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 14px;
  border: 1px solid rgba(191, 107, 69, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero p {
  max-width: 680px;
  margin: 12px 0 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-stat {
  display: flex;
  min-height: 96px;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.42)),
    rgba(255, 255, 255, 0.28);
  box-shadow: 0 12px 28px rgba(77, 49, 25, 0.08);
}

.hero-stat span,
.hero-stat small {
  color: var(--text-faint);
  font-size: 12px;
}

.hero-stat strong {
  margin-top: 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
}

.hero-stat small {
  margin-top: 8px;
  line-height: 1.55;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  min-height: 0;
}

.portal-card {
  position: relative;
  display: grid;
  grid-template-rows: minmax(240px, 1fr) auto;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(83, 58, 35, 0.18);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.52), transparent 16%),
    var(--bg-card);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.68),
    0 20px 46px rgba(77, 49, 25, 0.12);
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    box-shadow var(--transition);
}

.portal-card:hover {
  transform: translateY(-6px);
  border-color: rgba(191, 107, 69, 0.3);
  background: var(--bg-card-hover);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.76),
    0 28px 54px rgba(77, 49, 25, 0.18);
}

.portal-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.08));
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  content: "";
}

.portal-card:hover::after {
  opacity: 1;
}

.portal-card__visual {
  position: relative;
  overflow: hidden;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(115, 83, 52, 0.12), rgba(115, 83, 52, 0.02)),
    rgba(255, 255, 255, 0.18);
}

.portal-card__visual > * {
  display: none;
}

.portal-card__visual::before,
.portal-card__visual::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
}

.card-image .portal-card__visual::before {
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 42%, rgba(255, 247, 236, 0.12) 100%),
    url("./assets/card-image.png");
  background-size: 100% 100%, cover;
  background-position: center, center;
  background-repeat: no-repeat;
}

.card-api .portal-card__visual::before {
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 42%, rgba(255, 247, 236, 0.12) 100%),
    url("./assets/card-api.png");
  background-size: 100% 100%, cover;
  background-position: center, center;
  background-repeat: no-repeat;
}

.card-membership .portal-card__visual::before {
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 42%, rgba(255, 247, 236, 0.12) 100%),
    url("./assets/card-membership.png");
  background-size: 100% 100%, cover;
  background-position: center, center;
  background-repeat: no-repeat;
}

.portal-card__visual::after {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 22%),
    linear-gradient(180deg, rgba(30, 22, 17, 0) 58%, rgba(30, 22, 17, 0.08) 100%);
}

.portal-card__content {
  display: flex;
  min-height: 0;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  padding: 0 18px 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 250, 243, 0.42) 26%);
}

.portal-card__tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  width: fit-content;
  padding: 0 12px;
  border: 1px solid rgba(191, 107, 69, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.portal-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.75vw, 1.95rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.portal-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.portal-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(83, 58, 35, 0.1);
}

.portal-card__footer strong {
  font-size: 14px;
  font-weight: 800;
}

.portal-card__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(191, 107, 69, 0.14);
  border-radius: 999px;
  background: linear-gradient(135deg, #f2c78e, #e09667);
  color: #241912;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.visual-image-frame {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.16);
}

.frame-back {
  inset: 50px 56px 92px 36px;
  transform: rotate(-8deg);
  background: rgba(255, 255, 255, 0.18);
}

.frame-mid {
  inset: 28px 44px 58px 54px;
  transform: rotate(6deg);
  background: rgba(255, 255, 255, 0.28);
}

.frame-front {
  inset: 18px 18px 22px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.04)),
    rgba(14, 14, 18, 0.72);
}

.visual-image-scene {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 14% 14%, rgba(255, 255, 255, 0.12), transparent 18%),
    linear-gradient(180deg, rgba(19, 22, 29, 0.1), rgba(11, 12, 16, 0.26));
}

.scene-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(22px);
}

.orb-a {
  width: 160px;
  height: 160px;
  top: 18px;
  right: -18px;
  background: radial-gradient(circle, rgba(219, 159, 86, 0.42), transparent 66%);
}

.orb-b {
  width: 140px;
  height: 140px;
  bottom: 8px;
  left: -10px;
  background: radial-gradient(circle, rgba(79, 112, 148, 0.34), transparent 68%);
}

.scene-portrait {
  position: absolute;
  inset: 54px 70px 62px 64px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  background:
    radial-gradient(circle at 52% 34%, rgba(255, 245, 230, 0.58), transparent 18%),
    radial-gradient(circle at 54% 46%, rgba(205, 133, 88, 0.52), transparent 26%),
    linear-gradient(180deg, rgba(38, 32, 28, 0.92), rgba(17, 17, 20, 0.96));
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.scene-line {
  position: absolute;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.line-a {
  bottom: 34px;
}

.line-b {
  bottom: 52px;
  opacity: 0.5;
}

.visual-terminal {
  position: absolute;
  inset: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 16%),
    rgba(11, 14, 19, 0.76);
}

.terminal-topbar {
  display: flex;
  gap: 8px;
  padding: 16px 16px 0;
}

.terminal-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
}

.terminal-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle at center, black 54%, transparent 88%);
}

.terminal-panel {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.16);
}

.panel-a {
  inset: 60px 26px 94px 26px;
  padding: 18px;
}

.panel-b {
  right: 24px;
  bottom: 26px;
  left: 78px;
  display: flex;
  gap: 10px;
  padding: 16px;
}

.terminal-line {
  height: 10px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(79, 112, 148, 0.42), rgba(219, 159, 86, 0.16));
}

.terminal-line.short {
  width: 32%;
}

.terminal-line.medium {
  width: 58%;
}

.terminal-line.long {
  width: 76%;
  margin-bottom: 0;
}

.terminal-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(247, 244, 239, 0.86);
  font-size: 13px;
  font-weight: 700;
}

.terminal-flow {
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
}

.flow-a {
  width: 180px;
  height: 90px;
  top: 44px;
  right: -18px;
  background: radial-gradient(circle, rgba(79, 112, 148, 0.28), transparent 64%);
}

.flow-b {
  width: 150px;
  height: 80px;
  bottom: 8px;
  left: -12px;
  background: radial-gradient(circle, rgba(63, 116, 108, 0.24), transparent 64%);
}

.membership-stage {
  position: absolute;
  inset: 20px;
}

.device-card,
.membership-ring {
  position: absolute;
}

.device-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 16%),
    rgba(19, 19, 23, 0.76);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.2);
}

.device-back {
  inset: 44px 70px 70px 18px;
  transform: rotate(-9deg);
}

.device-mid {
  inset: 20px 18px 96px 90px;
  transform: rotate(7deg);
}

.device-front {
  inset: 38px 36px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 22px;
}

.device-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 700;
}

.membership-ring {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
}

.ring-a {
  width: 190px;
  height: 190px;
  top: -10px;
  right: -18px;
}

.ring-b {
  width: 120px;
  height: 120px;
  bottom: 8px;
  left: 0;
}

@media (max-width: 1280px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

  .portal-card {
    grid-template-rows: minmax(220px, 1fr) auto;
  }
}

@media (max-width: 980px) {
  body {
    overflow-x: hidden;
    overflow-y: auto;
  }

  .page-shell {
    padding: 14px;
  }

  .portal-shell {
    min-height: auto;
    gap: 20px;
    padding: 20px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .hero-title-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .hero-title-row__logo {
    width: min(160px, 42vw);
  }

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

  .portal-card {
    grid-template-rows: 280px auto;
    min-height: 0;
  }
}

@media (max-width: 720px) {
  .portal-shell {
    padding: 16px;
    border-radius: 28px;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 9vw, 2.7rem);
  }

  .hero-title-row__logo {
    width: min(140px, 46vw);
  }

  .hero p {
    font-size: 15px;
  }

  .portal-card {
    grid-template-rows: 250px auto;
    min-height: 0;
  }

  .portal-card__visual,
  .portal-card__content {
    padding-left: 16px;
    padding-right: 16px;
  }

  .portal-card__content {
    padding-bottom: 16px;
  }

  .portal-card__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .portal-card__cta {
    width: 100%;
  }
}