:root {
  color-scheme: light;
  --ink: #2d2927;
  --muted: #72645e;
  --paper: #fff7ef;
  --surface: #ffffff;
  --coral: #ff654e;
  --coral-dark: #d94835;
  --violet: #8f5ae8;
  --violet-dark: #6f3fc8;
  --yellow: #ffd568;
  --sky: #9bdcf3;
  --mint: #d9f3ea;
  --line: rgba(45, 41, 39, 0.14);
  --shadow: 0 22px 52px rgba(99, 42, 29, 0.2);
  --display: "Arial Rounded MT Bold", "Trebuchet MS", ui-rounded, system-ui, sans-serif;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  font-family: var(--body);
  color: var(--ink);
  background: var(--coral);
}

button,
input,
textarea {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

img,
video,
canvas {
  max-width: 100%;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

[hidden] {
  display: none !important;
}

.landing-shell {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  padding: 14px clamp(18px, 2.5vw, 40px) 22px;
  color: #fff;
  background: var(--coral);
}

.landing-shell::before,
.landing-shell::after {
  content: "";
  position: absolute;
  z-index: -2;
  border: 14px solid rgba(255, 213, 104, 0.82);
  border-radius: 50%;
  pointer-events: none;
}

.landing-shell::before {
  width: 760px;
  height: 760px;
  top: -590px;
  left: 12%;
  animation: pemi-ring-drift-a 18s ease-in-out infinite alternate;
}

.landing-shell::after {
  width: 820px;
  height: 420px;
  right: -500px;
  bottom: -180px;
  transform: rotate(-16deg);
  animation: pemi-ring-drift-b 22s ease-in-out infinite alternate;
}

.brand-bar {
  width: min(1440px, 100%);
  min-height: 52px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  position: relative;
  z-index: 5;
}

.brand {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-mascot {
  width: 90px;
  height: 65px;
  overflow: hidden;
  display: block;
  filter: drop-shadow(0 6px 12px rgba(100, 38, 24, 0.16));
}

.brand-mascot img {
  width: 90px;
  height: 90px;
  display: block;
  object-fit: contain;
  object-position: center top;
}

.brand-word {
  color: var(--yellow);
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 950;
  line-height: 1;
  text-shadow: 0 5px 12px rgba(104, 40, 25, 0.18);
}

.brand-bar > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  font-weight: 800;
}

.app-link {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  padding: 0 15px;
  color: #fff;
  background: rgba(120, 45, 31, 0.14);
  font-size: 0.82rem;
  font-weight: 900;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.app-link:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.16);
}

.desktop-stage {
  width: min(1440px, 100%);
  min-height: calc(100vh - 112px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(680px, 860px);
  justify-content: center;
  align-items: center;
  position: relative;
}

.desktop-stage::before,
.desktop-stage::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--sky);
  box-shadow:
    28px 18px 0 rgba(255, 255, 255, 0.65),
    58px -9px 0 var(--violet),
    82px 25px 0 var(--yellow);
}

.desktop-stage::before {
  top: 9%;
  left: 17%;
  animation: pemi-sparkle-drift-a 7s ease-in-out infinite alternate;
}

.desktop-stage::after {
  right: 20%;
  bottom: 7%;
  transform: rotate(160deg);
  animation: pemi-sparkle-drift-b 8s ease-in-out infinite alternate;
}

@keyframes pemi-ring-drift-a {
  from {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }

  to {
    transform: translate3d(24px, 18px, 0) rotate(4deg);
  }
}

@keyframes pemi-ring-drift-b {
  from {
    transform: translate3d(0, 0, 0) rotate(-16deg);
  }

  to {
    transform: translate3d(-28px, -16px, 0) rotate(-9deg);
  }
}

@keyframes pemi-sparkle-drift-a {
  from {
    transform: translate3d(0, 0, 0);
    opacity: 0.75;
  }

  to {
    transform: translate3d(18px, -14px, 0);
    opacity: 1;
  }
}

@keyframes pemi-sparkle-drift-b {
  from {
    transform: translate3d(0, 0, 0) rotate(160deg);
    opacity: 0.7;
  }

  to {
    transform: translate3d(-16px, 12px, 0) rotate(176deg);
    opacity: 1;
  }
}

.feature-rail {
  display: grid;
  gap: 12px;
  align-content: center;
  opacity: 0.76;
}

.feature-card {
  min-width: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  border: 2px solid rgba(255, 255, 255, 0.62);
  border-radius: 8px;
  padding: 0;
  color: var(--ink);
  background: rgba(255, 247, 239, 0.9);
  box-shadow: 0 14px 32px rgba(92, 37, 25, 0.13);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: opacity 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.feature-card:nth-child(odd) {
  transform: rotate(-0.4deg);
}

.feature-card:nth-child(even) {
  transform: rotate(0.4deg);
}

.feature-rail:last-child .feature-card:nth-child(odd) {
  transform: rotate(0.4deg);
}

.feature-rail:last-child .feature-card:nth-child(even) {
  transform: rotate(-0.4deg);
}

.feature-card:hover {
  opacity: 1;
  box-shadow: 0 18px 40px rgba(92, 37, 25, 0.2);
}

.feature-card:focus-visible {
  outline: 4px solid var(--sky);
  outline-offset: 4px;
}

.feature-card img {
  width: 100%;
  aspect-ratio: 16 / 7;
  display: block;
  object-fit: cover;
  object-position: center;
  border-bottom: 1px solid var(--line);
  background: var(--coral);
}

.feature-family img {
  object-position: center;
}

.feature-copy {
  min-width: 0;
  display: grid;
  align-content: start;
  padding: 9px 10px 10px;
}

.feature-copy > span:first-child {
  display: block;
  margin-bottom: 5px;
  color: var(--coral-dark);
  font-size: 0.65rem;
  font-weight: 950;
  text-transform: uppercase;
}

.feature-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 0.95rem;
  line-height: 1.1;
}

.feature-copy p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 650;
  line-height: 1.35;
}

.poster-hint {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 6px;
  color: var(--violet-dark);
  font-size: 0.62rem;
  font-weight: 900;
}

.experience-panel {
  min-width: 0;
  display: grid;
  gap: 16px;
  position: relative;
  z-index: 3;
}

.experience-copy {
  text-align: center;
  text-shadow: 0 8px 24px rgba(109, 40, 26, 0.2);
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--yellow);
  font-size: 0.72rem;
  font-weight: 950;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 4.25vw, 4.35rem);
  line-height: 0.98;
}

.lead {
  max-width: 650px;
  margin: 10px auto 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  font-weight: 720;
  line-height: 1.45;
}

.camera-card {
  display: grid;
  gap: 12px;
  border: 5px solid rgba(255, 255, 255, 0.96);
  border-radius: 8px;
  padding: 12px;
  color: var(--ink);
  background: var(--paper);
  box-shadow:
    0 34px 80px rgba(73, 28, 20, 0.34),
    0 0 0 12px rgba(255, 255, 255, 0.16),
    0 0 0 24px rgba(255, 213, 104, 0.08);
}

.camera-topline {
  min-height: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 4px;
}

.camera-topline p {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  font-weight: 950;
  text-transform: uppercase;
}

.camera-topline > span:last-child {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 101, 78, 0.15);
}

.experience-visual {
  min-width: 0;
  display: grid;
  align-items: start;
}

.experience-visual > .video-frame,
.experience-visual > .result-frame {
  grid-area: 1 / 1;
}

.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(45, 41, 39, 0.16);
  border-radius: 6px;
  background: #17211f;
  opacity: 1;
  transform: scale(1);
  transition: opacity 220ms ease, transform 220ms ease;
}

.camera-stage.is-result-revealed .video-frame {
  opacity: 0;
  transform: scale(0.985);
  pointer-events: none;
}

#camera {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transform: none;
  background: #17211f;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 11px;
  color: rgba(255, 255, 255, 0.9);
  background-color: #23322e;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 38px 38px;
  text-align: center;
}

.empty-state > div {
  display: grid;
  gap: 4px;
}

.empty-state p {
  margin: 0;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 900;
}

.empty-state small {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.75rem;
  font-weight: 700;
}

.lens-mark {
  width: 62px;
  height: 52px;
  border: 3px solid rgba(255, 255, 255, 0.74);
  border-radius: 18px;
  position: relative;
}

.lens-mark::before {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  inset: 50% auto auto 50%;
  border: 3px solid var(--yellow);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.lens-mark::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 7px;
  top: -9px;
  left: 8px;
  border-radius: 4px 4px 0 0;
  background: rgba(255, 255, 255, 0.74);
}

.pet-guide {
  position: absolute;
  inset: 9%;
  pointer-events: none;
  opacity: 0.48;
  transition: opacity 220ms ease, transform 220ms ease;
}

.pet-guide span {
  width: 34px;
  height: 34px;
  position: absolute;
  border-color: rgba(255, 255, 255, 0.9);
  border-style: solid;
  filter: drop-shadow(0 3px 8px rgba(20, 28, 26, 0.35));
  transition: border-color 220ms ease;
}

.pet-guide span:nth-child(1) {
  top: 0;
  left: 0;
  border-width: 3px 0 0 3px;
  border-radius: 8px 0 0;
}

.pet-guide span:nth-child(2) {
  top: 0;
  right: 0;
  border-width: 3px 3px 0 0;
  border-radius: 0 8px 0 0;
}

.pet-guide span:nth-child(3) {
  right: 0;
  bottom: 0;
  border-width: 0 3px 3px 0;
  border-radius: 0 0 8px;
}

.pet-guide span:nth-child(4) {
  bottom: 0;
  left: 0;
  border-width: 0 0 3px 3px;
  border-radius: 0 0 0 8px;
}

.pet-guide.has-pet {
  opacity: 1;
  transform: scale(0.985);
  animation: pet-guide-breathe 1.1s ease-in-out infinite alternate;
}

.pet-guide.has-pet span {
  border-color: var(--yellow);
}

.bird-playground {
  position: absolute;
  inset: 0;
  z-index: 4;
  overflow: hidden;
  pointer-events: none;
}

.pet-bird {
  width: 34px;
  height: 34px;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  will-change: transform;
  transition: opacity 260ms ease;
}

.pet-bird-one {
  color: var(--yellow);
  --bird-entry-x: -70px;
  --bird-entry-y: -38px;
}

.pet-bird-two {
  color: var(--coral);
  --bird-entry-x: 74px;
  --bird-entry-y: -30px;
}

.pet-bird-three {
  color: var(--violet);
  --bird-entry-x: 18px;
  --bird-entry-y: 64px;
}

.bird-art {
  width: 100%;
  height: 100%;
  transform-origin: center;
  transition: transform 140ms ease;
}

.pet-bird.faces-left .bird-art {
  transform: scaleX(-1);
}

.bird-art svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
  filter:
    drop-shadow(0 2px 0 rgba(255, 255, 255, 0.94))
    drop-shadow(0 5px 8px rgba(20, 28, 26, 0.34));
}

.bird-playground.is-active .pet-bird {
  opacity: 1;
}

.bird-playground.is-active .bird-art svg {
  animation: bird-arrive 440ms cubic-bezier(0.22, 0.8, 0.24, 1) both;
}

.bird-playground.is-active .pet-bird-two .bird-art svg {
  animation-delay: 70ms;
}

.bird-playground.is-active .pet-bird-three .bird-art svg {
  animation-delay: 140ms;
}

.bird-playground.is-active .bird-wing {
  transform-box: fill-box;
  transform-origin: 32% 58%;
  animation: bird-wing-flap 520ms ease-in-out infinite alternate;
}

.bird-playground.is-lost .pet-bird {
  opacity: 0.52;
}

.bird-playground.is-leaving .pet-bird {
  opacity: 0;
}

.detection-prompt {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 6px;
  padding: 24px;
  color: #fff;
  background: rgba(24, 34, 31, 0.18);
  pointer-events: none;
  text-align: center;
  text-shadow: 0 3px 14px rgba(13, 21, 19, 0.76);
}

.detection-prompt p {
  margin: 0;
  font-family: var(--display);
  font-size: 1.28rem;
  font-weight: 950;
}

.detection-prompt small {
  max-width: 360px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.82rem;
  font-weight: 780;
  line-height: 1.4;
}

.camera-stage[data-state="loading-model"] .status-panel,
.camera-stage[data-state="searching"] .status-panel {
  display: none;
}

.waiting-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: end center;
  padding: 18px;
  color: #fff;
  background: linear-gradient(to bottom, transparent 58%, rgba(26, 31, 29, 0.46));
  pointer-events: auto;
  text-align: center;
}

.waiting-content {
  width: min(560px, 100%);
  display: grid;
  justify-items: center;
  gap: 10px;
}

.waiting-status {
  max-width: min(430px, calc(100% - 8px));
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 8px 15px;
  background: rgba(29, 34, 32, 0.68);
  box-shadow: 0 8px 24px rgba(18, 24, 22, 0.22);
  backdrop-filter: blur(7px);
}

.knowledge-cards {
  width: 100%;
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 16px;
  background: rgba(29, 34, 32, 0.78);
  box-shadow: 0 12px 30px rgba(18, 24, 22, 0.25);
  backdrop-filter: blur(9px);
}

.knowledge-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 0 2px;
  text-align: left;
}

.knowledge-heading p,
.knowledge-heading small {
  margin: 0;
}

.knowledge-heading p {
  color: #fff;
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 950;
}

.knowledge-heading small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.68rem;
  font-weight: 700;
}

.knowledge-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.knowledge-card {
  min-width: 0;
  height: 112px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  perspective: 700px;
  text-align: left;
}

.knowledge-card:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 3px;
}

.knowledge-card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  display: block;
  transform-style: preserve-3d;
  transition: transform 420ms cubic-bezier(0.22, 0.8, 0.24, 1);
}

.knowledge-card.is-flipped .knowledge-card-inner {
  transform: rotateY(180deg);
}

.knowledge-card-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  border-radius: 10px;
  padding: 10px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.knowledge-card-front {
  align-items: center;
  color: #fff;
  background: linear-gradient(145deg, var(--violet), var(--violet-dark));
  text-align: center;
}

.knowledge-card-back {
  color: var(--ink);
  background: var(--paper);
  transform: rotateY(180deg);
}

.knowledge-card-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  margin-bottom: 6px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  color: var(--yellow);
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 950;
}

.knowledge-card-label {
  color: inherit;
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  opacity: 0.72;
  text-transform: uppercase;
}

.knowledge-card-question {
  margin-top: 5px;
  font-family: var(--display);
  font-size: 0.72rem;
  line-height: 1.15;
}

.knowledge-card-title {
  margin-top: 5px;
  font-family: var(--display);
  font-size: 0.72rem;
  line-height: 1.15;
}

.knowledge-card-copy {
  display: -webkit-box;
  margin-top: 5px;
  overflow: hidden;
  font-size: 0.61rem;
  font-weight: 650;
  line-height: 1.3;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.waiting-status-birds {
  color: var(--yellow);
  font-size: 1rem;
  font-weight: 950;
  letter-spacing: 2px;
  line-height: 1;
}

.waiting-overlay p {
  margin: 0;
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 950;
  line-height: 1.25;
}

.status-panel {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 6px 3px 1px;
}

.status-text {
  margin: 0;
  color: #4b403b;
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.35;
}

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.button,
.icon-button {
  min-height: 50px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 950;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, opacity 160ms ease;
}

.button {
  padding: 0 18px;
  font-size: 0.92rem;
}

.button:hover:not(:disabled),
.icon-button:hover:not(:disabled),
.button:focus-visible,
.icon-button:focus-visible {
  transform: translateY(-1px);
}

.button:focus-visible,
.icon-button:focus-visible,
.app-link:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 3px;
}

.button:disabled,
.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.primary {
  color: #fff;
  background: var(--violet);
  box-shadow: 0 12px 26px rgba(111, 63, 200, 0.28);
}

.primary:hover:not(:disabled) {
  background: var(--violet-dark);
}

.secondary {
  color: #332b25;
  background: var(--yellow);
  box-shadow: 0 12px 26px rgba(204, 144, 24, 0.25);
}

.secondary:hover:not(:disabled) {
  background: #ffc83f;
}

.icon-button {
  width: 50px;
  flex: 0 0 50px;
  display: inline-grid;
  place-items: center;
  color: #256c63;
  background: var(--mint);
  font-size: 1.35rem;
}

.result-frame {
  width: 100%;
  min-width: 0;
  min-height: var(--result-frame-min-height, 240px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 3px solid rgba(255, 101, 78, 0.42);
  border-radius: 6px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 14px 30px rgba(111, 57, 41, 0.16);
  opacity: 0;
  transform: translateY(8px) scale(0.99);
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
}

.camera-stage.is-result-revealed .result-frame {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.result-copy-area {
  flex: 0 0 auto;
  padding: clamp(14px, 2.2vw, 22px) clamp(16px, 2.8vw, 28px) clamp(13px, 2vw, 20px);
  background:
    radial-gradient(circle at 94% 12%, rgba(255, 213, 104, 0.34), transparent 28%),
    linear-gradient(145deg, #fffaf4, #fff3e7);
}

.result-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.result-heading > span {
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 0.6;
}

.result-kicker {
  margin: 0 0 5px;
  color: var(--coral-dark);
  font-size: 0.68rem;
  font-weight: 950;
  text-transform: uppercase;
}

.result-copy-area h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(0.95rem, 1.8vw, 1.3rem); /* 缩小 title 尺寸，增加呼吸空间 */
  line-height: 1.15;
}

.result-copy-area > p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: clamp(0.78rem, 1.15vw, 0.9rem);
  line-height: 1.42;
}

.result-copy-area > small {
  display: block;
  margin-top: 7px;
  color: #9a8c86;
  font-size: 0.63rem;
  font-weight: 650;
}

.result-photo {
  min-height: clamp(145px, 18vw, 270px);
  flex: 1 1 auto;
  margin: 0;
  overflow: hidden;
  border-top: 2px dashed rgba(217, 72, 53, 0.28);
  background: #17211f;
}

#result-snapshot {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.is-busy .button,
.is-busy .icon-button {
  pointer-events: none;
}

@keyframes pet-guide-breathe {
  from {
    filter: drop-shadow(0 0 0 rgba(255, 213, 104, 0));
  }
  to {
    filter: drop-shadow(0 0 10px rgba(255, 213, 104, 0.62));
  }
}

@keyframes bird-arrive {
  from {
    opacity: 0;
    transform: translate(var(--bird-entry-x), var(--bird-entry-y)) scale(0.45) rotate(-12deg);
  }
  to {
    opacity: 1;
    transform: translate(0, 0) scale(1) rotate(0);
  }
}

@keyframes bird-wing-flap {
  from {
    transform: rotate(-8deg) scaleY(0.92);
  }
  to {
    transform: rotate(16deg) scaleY(1.08);
  }
}

.mobile-shell {
  display: none;
}

.mobile-download-cta {
  display: none;
}

.poster-dialog {
  width: min(510px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100vh - 32px);
  border: 0;
  border-radius: 8px;
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: transparent;
  box-shadow: 0 32px 90px rgba(37, 18, 13, 0.42);
}

.poster-dialog::backdrop {
  background: rgba(35, 24, 21, 0.72);
  backdrop-filter: blur(5px);
}

.poster-viewer {
  max-height: calc(100vh - 32px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border: 4px solid rgba(255, 255, 255, 0.92);
  border-radius: 8px;
  background: var(--paper);
}

.poster-dialog-header,
.poster-dialog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 13px;
}

.poster-dialog-header {
  border-bottom: 1px solid var(--line);
}

.poster-dialog-header p,
.poster-dialog-footer p {
  margin: 0;
}

.poster-dialog-header p {
  margin-bottom: 3px;
  color: var(--coral-dark);
  font-size: 0.65rem;
  font-weight: 950;
  text-transform: uppercase;
}

.poster-dialog-header h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.2rem;
  line-height: 1.1;
}

.poster-canvas {
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 10px;
  background: #f2dfd3;
}

.poster-canvas img {
  width: auto;
  height: min(72vh, 720px);
  max-height: 100%;
  display: block;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 14px 34px rgba(80, 38, 27, 0.2);
}

.poster-dialog-footer {
  border-top: 1px solid var(--line);
}

.poster-dialog-footer p {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 850;
}

.poster-navigation {
  display: flex;
  gap: 8px;
}

.dialog-icon-button {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 8px;
  display: inline-grid;
  place-items: center;
  color: var(--ink);
  background: var(--yellow);
  font-size: 1.25rem;
  font-weight: 900;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease;
}

.dialog-icon-button:hover,
.dialog-icon-button:focus-visible {
  transform: translateY(-1px);
  background: #ffc83f;
}

.dialog-icon-button:focus-visible {
  outline: 3px solid var(--violet);
  outline-offset: 2px;
}

@media (max-width: 1180px) {
  .desktop-stage {
    grid-template-columns: minmax(600px, 820px);
  }

  .feature-card {
    min-height: 0;
  }

  .feature-copy {
    padding: 11px;
  }

  .feature-copy p {
    font-size: 0.68rem;
  }
}

@media (max-width: 1080px) and (min-width: 681px) {
  .feature-rail {
    display: none;
  }

  .desktop-stage {
    grid-template-columns: minmax(540px, 780px);
  }
}

@media (max-height: 760px) and (min-width: 681px) {
  .landing-shell {
    padding-top: 8px;
    padding-bottom: 12px;
  }

  .brand-bar {
    min-height: 44px;
  }

  .desktop-stage {
    min-height: calc(100vh - 96px);
    grid-template-columns: minmax(620px, 800px);
  }

  .feature-card {
    min-height: 0;
  }

  .feature-card img {
    aspect-ratio: 2 / 1;
  }

  .feature-copy {
    padding: 10px;
  }

  .feature-copy p {
    margin-top: 5px;
  }

  .experience-panel {
    gap: 8px;
  }

  h1 {
    font-size: 2.7rem;
    line-height: 1;
  }

  .lead {
    max-width: 760px;
    margin-top: 6px;
    font-size: 0.95rem;
  }

  .video-frame {
    aspect-ratio: 16 / 8.6;
  }
}

@media (max-width: 680px) {
  html,
  body {
    background: var(--paper);
  }

  main {
    min-height: 100vh;
    background: var(--paper);
  }

  .landing-shell {
    min-height: auto;
    overflow: visible;
    display: block;
    padding: 0;
    color: var(--ink);
    background: var(--paper);
  }

  .landing-shell::before,
  .landing-shell::after,
  .desktop-only,
  .experience-copy,
  .desktop-stage::before,
  .desktop-stage::after {
    display: none;
  }

  .mobile-shell {
    overflow: hidden;
    display: grid;
    grid-template-rows: auto auto;
    gap: 11px;
    padding: max(14px, env(safe-area-inset-top)) 18px 16px;
    color: #fff;
    background: var(--coral);
    position: relative;
  }

  .mobile-shell::before {
    content: "";
    position: absolute;
    width: 330px;
    height: 120px;
    right: -190px;
    top: 62px;
    border: 9px solid rgba(255, 213, 104, 0.82);
    border-radius: 50%;
    transform: rotate(18deg);
  }

  .mobile-brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: relative;
    z-index: 2;
  }

  .mobile-brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .mobile-brand-lockup .brand-mascot {
    width: 110px;
    height: 48px;
  }

  .mobile-brand-lockup .brand-mascot img {
    width: 110px;
    height: 48px;
  }

  .mobile-brand-lockup .brand-word {
    font-size: 1.65rem;
  }

  .mobile-brand-row > span {
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.68rem;
    font-weight: 900;
    text-transform: uppercase;
  }

  .mobile-hero-copy {
    align-self: start;
    position: relative;
    z-index: 2;
  }

  .mobile-hero-copy .eyebrow {
    margin-bottom: 7px;
    color: var(--yellow);
  }

  .mobile-shell h1 {
    max-width: 350px;
    color: #fff;
    font-size: clamp(2.25rem, 11vw, 3.15rem);
    line-height: 0.98;
    text-shadow: 0 8px 26px rgba(103, 36, 22, 0.18);
  }

  .mobile-hero-copy > p {
    max-width: 330px;
    margin: 9px 0 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.86rem;
    font-weight: 750;
    line-height: 1.45;
  }

  .desktop-stage {
    width: 100%;
    min-height: 0;
    display: block;
  }

  .experience-panel {
    width: 100%;
    display: block;
    padding: 9px 9px max(42px, env(safe-area-inset-bottom));
    background: var(--paper);
  }

  .camera-card {
    gap: 12px;
    border: 4px solid rgba(255, 101, 78, 0.48);
    border-radius: 8px;
    padding: 9px;
    background: #fffaf4;
    box-shadow:
      0 20px 44px rgba(111, 57, 41, 0.18),
      0 0 0 7px rgba(255, 213, 104, 0.12);
  }

  .mobile-download-cta {
    width: min(330px, calc(100vw - 36px));
    min-height: 54px;
    margin: 18px auto 0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #fff;
    background: var(--violet);
    box-shadow: 0 14px 28px rgba(111, 63, 200, 0.22);
    font-weight: 950;
    text-decoration: none;
  }

  .mobile-download-cta:focus-visible {
    outline: 3px solid var(--coral);
    outline-offset: 3px;
  }

  .camera-topline {
    min-height: 32px;
    padding: 0 3px;
  }

  .camera-topline p {
    color: var(--ink);
    font-size: 0.74rem;
  }

  .camera-topline > span:last-child {
    border-radius: 4px;
    padding: 5px 7px;
    color: #514025;
    background: var(--yellow);
    font-size: 0.64rem;
  }

  .video-frame {
    aspect-ratio: 4 / 3.15;
    border: 3px solid rgba(255, 101, 78, 0.34);
    border-radius: 8px;
    box-shadow: 0 14px 30px rgba(111, 57, 41, 0.16);
  }

  .result-frame {
    border-radius: 8px;
  }

  .result-copy-area {
    padding: 13px 14px 12px;
  }

  .result-copy-area h2 {
    font-size: clamp(0.85rem, 4vw, 1.05rem); /* 在移动端小屏幕上也同步缩减 title */
  }

  .result-copy-area > p {
    font-size: 0.76rem;
    line-height: 1.36;
  }

  .result-copy-area > small {
    font-size: 0.58rem;
  }

  .result-photo {
    min-height: 136px;
  }

  .pet-guide {
    inset: 8%;
  }

  .pet-guide span {
    width: 28px;
    height: 28px;
  }

  .pet-bird {
    width: 28px;
    height: 28px;
  }

  .detection-prompt {
    padding: 18px;
  }

  .detection-prompt p {
    font-size: 1.12rem;
  }

  .detection-prompt small {
    max-width: 270px;
    font-size: 0.76rem;
  }

  .waiting-overlay {
    padding: 12px;
  }

  .waiting-content {
    gap: 8px;
  }

  .waiting-status {
    width: calc(100% - 4px);
    min-height: 40px;
    padding: 7px 12px;
  }

  .waiting-overlay p {
    font-size: 0.8rem;
  }

  .knowledge-cards {
    padding: 8px;
    border-radius: 12px;
  }

  .knowledge-heading {
    display: block;
  }

  .knowledge-heading small {
    display: block;
    margin-top: 2px;
  }

  .knowledge-card-grid {
    gap: 5px;
  }

  .knowledge-card {
    height: 105px;
  }

  .knowledge-card-face {
    padding: 7px;
  }

  .knowledge-card-copy {
    font-size: 0.56rem;
  }

  .empty-state {
    background-color: #644039;
    background-image: none;
  }

  .empty-state small {
    color: rgba(255, 255, 255, 0.72);
  }

  .lens-mark {
    border-color: var(--yellow);
  }

  .lens-mark::after {
    background: #fff;
  }

  .status-panel {
    grid-template-columns: 1fr;
    gap: 13px;
    border-top: 2px dashed rgba(255, 101, 78, 0.24);
    padding: 13px 2px 2px;
  }

  .status-text {
    color: #5d4840;
    font-size: 0.92rem;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .actions .primary {
    grid-column: 1 / -1;
  }

  .actions .secondary {
    grid-column: 1 / -1;
  }

  .button,
  .icon-button {
    min-height: 54px;
  }

  .button {
    min-width: 0;
    padding: 0 9px;
    font-size: 0.94rem;
  }

  .icon-button {
    width: 48px;
    color: var(--violet-dark);
    background: #eadfff;
  }

  .poster-dialog {
    width: calc(100vw - 20px);
    max-height: calc(100svh - 20px);
  }

  .poster-viewer {
    max-height: calc(100svh - 20px);
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}

/* Phone-only camera direction control. JavaScript adds the device class after
   checking the browser's mobile device signal, so resizing a desktop window
   never exposes this control. */
#camera {
  transform: none;
}

.camera-stage.is-front-camera #camera {
  transform: scaleX(-1);
}

.camera-switch-button {
  width: 38px;
  height: 38px;
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 8;
  display: none;
  place-items: center;
  border: 2px solid rgba(79, 61, 82, 0.72);
  border-radius: 52% 46% 50% 44%;
  padding: 0;
  color: var(--violet-dark);
  background: rgba(255, 248, 242, 0.94);
  box-shadow:
    0 3px 0 rgba(79, 61, 82, 0.18),
    0 7px 15px rgba(44, 34, 48, 0.15);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 160ms ease, background 160ms ease, opacity 160ms ease;
}

html.is-phone-device .camera-switch-button:not([hidden]) {
  display: grid;
}

.camera-switch-button:hover:not(:disabled),
.camera-switch-button:focus-visible {
  transform: translateY(-1px) rotate(-2deg);
  background: var(--paper);
}

.camera-switch-button:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.camera-switch-button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.camera-switch-button svg {
  width: 20px;
  height: 20px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.camera-switch-button.is-switching svg {
  animation: camera-switch-spin 650ms ease-in-out infinite;
}

.camera-stage[data-state="recording"] .camera-switch-button,
.camera-stage[data-state="analyzing"] .camera-switch-button,
.camera-stage.is-result-revealed .camera-switch-button {
  display: none !important;
}

.visually-hidden {
  width: 1px;
  height: 1px;
  position: absolute !important;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  margin: -1px;
  border: 0;
  padding: 0;
  white-space: nowrap;
}

@keyframes camera-switch-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(180deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .camera-switch-button.is-switching svg {
    animation: none;
  }
}

/* Cozy magical storybook theme */
:root {
  --ink: #44353f;
  --muted: #796b78;
  --paper: #fffaf0;
  --surface: #fffdf8;
  --coral: #ed8798;
  --coral-dark: #b85f77;
  --violet: #8370b2;
  --violet-dark: #66548f;
  --yellow: #f4c75f;
  --sky: #cad8ef;
  --mint: #dcecdf;
  --line: rgba(76, 56, 71, 0.18);
  --shadow: 0 24px 64px rgba(82, 61, 92, 0.2);
  --display: "Marker Felt", "Bradley Hand", "Chalkboard SE", "Comic Sans MS", ui-rounded, cursive;
  --body: "Avenir Next", Avenir, Nunito, ui-rounded, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --storybook-outline: #5b485a;
  --storybook-gold: #d6a84b;
  --storybook-lilac: #eee8fa;
  --storybook-blush: #f9d9d8;
}

body {
  background: #eadff1;
}

.landing-shell {
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 19%, rgba(255, 250, 225, 0.9) 0 2px, transparent 3px),
    radial-gradient(circle at 85% 15%, rgba(255, 233, 160, 0.9) 0 3px, transparent 4px),
    radial-gradient(circle at 76% 72%, rgba(255, 250, 225, 0.78) 0 2px, transparent 3px),
    radial-gradient(circle at 28% 78%, rgba(255, 230, 154, 0.86) 0 2px, transparent 3px),
    linear-gradient(165deg, #d8d8f0 0%, #eee2ee 32%, #f8ddd5 68%, #f8e6cf 100%);
}

.landing-shell::before,
.landing-shell::after {
  z-index: -1;
  width: 170px;
  height: 62px;
  border: 3px solid rgba(105, 86, 126, 0.34);
  border-radius: 48% 58% 38% 32% / 70% 72% 28% 30%;
  background: rgba(255, 252, 242, 0.82);
  box-shadow:
    58px -18px 0 -3px rgba(255, 252, 242, 0.82),
    58px -18px 0 0 rgba(105, 86, 126, 0.24),
    108px 2px 0 -5px rgba(255, 252, 242, 0.82),
    108px 2px 0 -2px rgba(105, 86, 126, 0.2);
  opacity: 0.8;
}

.landing-shell::before {
  top: 22%;
  left: -92px;
  animation: storybook-cloud-a 13s ease-in-out infinite alternate;
}

.landing-shell::after {
  right: -72px;
  bottom: 9%;
  transform: scale(0.86) rotate(-4deg);
  animation: storybook-cloud-b 15s ease-in-out infinite alternate;
}

.brand-bar {
  min-height: 62px;
  border-bottom: 2px solid rgba(91, 72, 90, 0.14);
}

.brand-mascot {
  filter: drop-shadow(0 5px 0 rgba(255, 250, 240, 0.72));
}

.brand-word {
  color: var(--violet-dark);
  letter-spacing: 0.02em;
  text-shadow: 1px 2px 0 rgba(255, 255, 255, 0.8);
}

.brand-bar > p {
  color: rgba(68, 53, 63, 0.68);
}

.app-link {
  min-height: 40px;
  border: 2px solid var(--storybook-outline);
  border-radius: 14px 18px 13px 17px;
  color: #fffdf8;
  background: var(--violet);
  box-shadow:
    0 4px 0 rgba(91, 72, 90, 0.28),
    inset 0 0 0 2px rgba(255, 255, 255, 0.24);
  transform: rotate(0.35deg);
}

.app-link:hover {
  background: var(--violet-dark);
  transform: translateY(-1px) rotate(-0.35deg);
}

.desktop-stage::before,
.desktop-stage::after {
  width: auto;
  height: auto;
  border-radius: 0;
  color: var(--storybook-gold);
  background: transparent;
  box-shadow: none;
  font-family: Georgia, serif;
  font-size: 2rem;
  line-height: 1;
  text-shadow:
    55px 30px 0 rgba(255, 247, 207, 0.92),
    92px -14px 0 rgba(126, 101, 163, 0.54);
}

.desktop-stage::before {
  content: "✦";
  top: 10%;
  left: 8%;
  animation: storybook-star-a 4.5s ease-in-out infinite alternate;
}

.desktop-stage::after {
  content: "☆";
  right: 13%;
  bottom: 10%;
  transform: rotate(12deg);
  animation: storybook-star-b 5.5s ease-in-out infinite alternate;
}

.experience-panel {
  gap: 18px;
}

.experience-copy {
  text-shadow: 1px 2px 0 rgba(255, 253, 245, 0.78);
}

h1 {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.lead {
  color: rgba(68, 53, 63, 0.78);
  font-weight: 650;
}

.camera-card {
  position: relative;
  gap: 13px;
  border: 3px solid var(--storybook-outline);
  border-radius: 24px 18px 26px 20px;
  padding: 15px;
  background:
    radial-gradient(circle at 8% 10%, rgba(244, 199, 95, 0.2), transparent 17%),
    radial-gradient(circle at 94% 88%, rgba(202, 216, 239, 0.35), transparent 22%),
    linear-gradient(150deg, rgba(255, 253, 248, 0.98), rgba(255, 248, 235, 0.98));
  box-shadow:
    0 26px 70px rgba(90, 66, 91, 0.24),
    0 5px 0 rgba(91, 72, 90, 0.18),
    0 0 0 8px rgba(255, 250, 236, 0.55),
    0 0 0 11px rgba(131, 112, 178, 0.16);
}

.camera-card::before,
.camera-card::after {
  position: absolute;
  z-index: 6;
  color: var(--storybook-gold);
  font-family: Georgia, serif;
  pointer-events: none;
  text-shadow: 16px 12px 0 rgba(131, 112, 178, 0.32);
}

.camera-card::before {
  content: "✦";
  top: -22px;
  left: 28px;
  font-size: 1.45rem;
  transform: rotate(-8deg);
}

.camera-card::after {
  content: "☆";
  right: 25px;
  bottom: -21px;
  font-size: 1.6rem;
  transform: rotate(9deg);
}

.camera-topline {
  min-height: 31px;
  border-bottom: 2px dashed rgba(91, 72, 90, 0.17);
  padding: 0 6px 8px;
}

.camera-topline p {
  color: var(--violet-dark);
  font-family: var(--display);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: none;
}

.camera-topline > span:last-child {
  border: 1.5px solid rgba(91, 72, 90, 0.34);
  border-radius: 12px 9px 11px 8px;
  padding: 4px 8px;
  color: var(--muted);
  background: rgba(238, 232, 250, 0.72);
}

.live-dot {
  background: var(--yellow);
  box-shadow:
    0 0 0 3px rgba(244, 199, 95, 0.2),
    0 0 13px rgba(214, 168, 75, 0.64);
}

.experience-visual {
  filter: drop-shadow(0 12px 18px rgba(82, 63, 92, 0.15));
}

.video-frame {
  border: 4px solid rgba(102, 84, 143, 0.82);
  border-radius: 28px 23px 30px 22px;
  background: #332e46;
  box-shadow:
    inset 0 0 0 3px rgba(255, 255, 255, 0.56),
    inset 0 0 34px rgba(211, 198, 239, 0.3),
    0 0 0 4px rgba(244, 199, 95, 0.34);
}

.video-frame::before,
.video-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  pointer-events: none;
}

.video-frame::before {
  border: 2px solid rgba(255, 255, 255, 0.46);
  box-shadow: inset 18px 18px 30px rgba(255, 255, 255, 0.11);
}

.video-frame::after {
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 255, 255, 0.34) 0 1.5%, transparent 8%),
    radial-gradient(circle at 88% 18%, rgba(255, 238, 168, 0.78) 0 2px, transparent 3px),
    radial-gradient(circle at 82% 27%, rgba(255, 255, 255, 0.74) 0 1px, transparent 2px),
    linear-gradient(135deg, rgba(255, 255, 255, 0.11), transparent 24%);
  mix-blend-mode: screen;
}

#camera {
  background: #332e46;
}

.empty-state {
  color: var(--ink);
  background-color: #eae3f4;
  background-image:
    radial-gradient(circle at 18% 24%, rgba(255, 255, 255, 0.9) 0 2px, transparent 3px),
    radial-gradient(circle at 76% 22%, rgba(244, 199, 95, 0.92) 0 3px, transparent 4px),
    radial-gradient(circle at 83% 72%, rgba(255, 255, 255, 0.9) 0 2px, transparent 3px),
    radial-gradient(circle at 31% 80%, rgba(131, 112, 178, 0.28) 0 3px, transparent 4px),
    radial-gradient(circle at center, rgba(255, 251, 241, 0.96), rgba(220, 210, 238, 0.94));
}

.empty-state p {
  color: var(--ink);
  font-weight: 700;
}

.empty-state small {
  color: rgba(68, 53, 63, 0.65);
}

.lens-mark {
  width: 70px;
  height: 70px;
  border: 3px solid var(--storybook-outline);
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 26%, rgba(255, 255, 255, 0.95) 0 7%, transparent 8%),
    radial-gradient(circle at 50% 54%, #fffaf0 0 18%, #d9cff0 19% 48%, #9c86c3 49% 100%);
  box-shadow:
    0 6px 0 rgba(91, 72, 90, 0.22),
    0 0 24px rgba(255, 247, 203, 0.7);
}

.lens-mark::before {
  width: 22px;
  height: 22px;
  border: 3px solid var(--storybook-outline);
  background: rgba(255, 250, 240, 0.58);
}

.lens-mark::after {
  width: 54px;
  height: 11px;
  top: auto;
  bottom: -10px;
  left: 5px;
  border: 3px solid var(--storybook-outline);
  border-radius: 50% 50% 8px 8px;
  background: #b39bc8;
}

.pet-guide span {
  border-color: rgba(255, 250, 240, 0.96);
  filter:
    drop-shadow(0 2px 0 rgba(91, 72, 90, 0.72))
    drop-shadow(0 0 9px rgba(244, 199, 95, 0.48));
}

.pet-guide.has-pet span {
  border-color: var(--yellow);
}

.bird-art svg {
  filter:
    drop-shadow(0 2px 0 rgba(91, 72, 90, 0.62))
    drop-shadow(0 4px 8px rgba(65, 48, 69, 0.25));
}

.detection-prompt {
  text-shadow:
    0 2px 0 rgba(68, 53, 63, 0.9),
    0 5px 18px rgba(43, 32, 50, 0.65);
}

.waiting-overlay {
  background: linear-gradient(to bottom, transparent 55%, rgba(70, 57, 83, 0.42));
}

.waiting-status {
  border: 2px solid rgba(255, 250, 240, 0.74);
  border-radius: 16px 12px 17px 13px;
  color: var(--ink);
  background: rgba(255, 248, 232, 0.88);
  box-shadow:
    0 5px 0 rgba(91, 72, 90, 0.18),
    0 10px 26px rgba(61, 45, 68, 0.2);
  backdrop-filter: blur(8px);
}

.waiting-status-birds {
  color: var(--violet-dark);
}

.status-panel {
  border-top: 2px dashed rgba(91, 72, 90, 0.2);
  padding: 12px 4px 2px;
}

.status-text {
  color: #61515e;
  font-weight: 650;
}

.button,
.icon-button,
.mobile-download-cta,
.dialog-icon-button {
  border: 2px solid var(--storybook-outline);
  border-radius: 15px 12px 16px 13px;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.primary {
  color: #fffdf8;
  background: var(--violet);
  box-shadow:
    0 5px 0 rgba(91, 72, 90, 0.3),
    0 12px 26px rgba(102, 84, 143, 0.24),
    inset 0 0 0 2px rgba(255, 255, 255, 0.16);
}

.primary:hover:not(:disabled) {
  background: var(--violet-dark);
}

.secondary {
  color: var(--ink);
  background: #f4cf78;
  box-shadow:
    0 5px 0 rgba(141, 104, 47, 0.25),
    0 12px 26px rgba(154, 114, 51, 0.18);
}

.result-frame {
  border: 3px solid var(--storybook-outline);
  border-radius: 28px 23px 30px 22px;
  background: var(--paper);
  box-shadow:
    inset 0 0 0 3px rgba(255, 255, 255, 0.58),
    0 0 0 4px rgba(244, 199, 95, 0.3),
    0 14px 34px rgba(80, 61, 88, 0.19);
}

.result-copy-area {
  background:
    radial-gradient(circle at 94% 18%, rgba(244, 199, 95, 0.5) 0 2px, transparent 3px),
    radial-gradient(circle at 88% 28%, rgba(131, 112, 178, 0.32) 0 2px, transparent 3px),
    radial-gradient(circle at 6% 84%, rgba(237, 135, 152, 0.25) 0 3px, transparent 4px),
    linear-gradient(145deg, #fffdf7, #f8eff5);
}

.result-heading > span {
  color: var(--violet);
}

.result-kicker {
  color: var(--coral-dark);
}

.result-copy-area h2 {
  color: var(--ink);
  font-weight: 700;
}

.result-photo {
  border-top: 2px dashed rgba(91, 72, 90, 0.28);
  background: #332e46;
}

.poster-dialog {
  border-radius: 24px 18px 26px 20px;
  box-shadow: 0 32px 90px rgba(65, 46, 71, 0.36);
}

.poster-dialog::backdrop {
  background: rgba(73, 58, 84, 0.62);
}

.poster-viewer {
  border: 3px solid var(--storybook-outline);
  border-radius: inherit;
  background: var(--paper);
}

.poster-canvas {
  background:
    radial-gradient(circle at 10% 16%, rgba(244, 199, 95, 0.25), transparent 22%),
    #eee6f1;
}

.dialog-icon-button {
  color: var(--ink);
  background: #f4cf78;
}

@keyframes storybook-cloud-a {
  from {
    transform: translate3d(0, 0, 0) rotate(-2deg);
  }

  to {
    transform: translate3d(24px, -10px, 0) rotate(1deg);
  }
}

@keyframes storybook-cloud-b {
  from {
    transform: translate3d(0, 0, 0) scale(0.86) rotate(-4deg);
  }

  to {
    transform: translate3d(-22px, -9px, 0) scale(0.9) rotate(-1deg);
  }
}

@keyframes storybook-star-a {
  from {
    opacity: 0.58;
    transform: translateY(0) rotate(-8deg) scale(0.92);
  }

  to {
    opacity: 1;
    transform: translateY(-8px) rotate(6deg) scale(1.08);
  }
}

@keyframes storybook-star-b {
  from {
    opacity: 0.52;
    transform: translateY(0) rotate(12deg) scale(0.94);
  }

  to {
    opacity: 0.95;
    transform: translateY(7px) rotate(-4deg) scale(1.06);
  }
}

@media (max-height: 760px) and (min-width: 681px) {
  .brand-bar {
    min-height: 48px;
  }

  .camera-card {
    padding: 12px;
  }
}

@media (max-width: 680px) {
  html,
  body,
  main {
    background: #fffaf0;
  }

  .landing-shell {
    color: var(--ink);
    background: var(--paper);
  }

  .mobile-shell {
    border-bottom: 2px solid rgba(91, 72, 90, 0.2);
    color: var(--ink);
    background:
      radial-gradient(circle at 88% 18%, rgba(255, 247, 207, 0.94) 0 3px, transparent 4px),
      radial-gradient(circle at 77% 32%, rgba(131, 112, 178, 0.36) 0 2px, transparent 3px),
      linear-gradient(160deg, #dddaf1 0%, #f2e2ea 55%, #f8dfcf 100%);
  }

  .mobile-shell::before {
    width: 122px;
    height: 40px;
    right: -28px;
    top: 74px;
    border: 2px solid rgba(105, 86, 126, 0.28);
    border-radius: 50%;
    background: rgba(255, 252, 242, 0.72);
    box-shadow:
      35px -12px 0 -2px rgba(255, 252, 242, 0.76),
      35px -12px 0 0 rgba(105, 86, 126, 0.18);
    transform: rotate(-4deg);
  }

  .mobile-brand-lockup .brand-word {
    color: var(--violet-dark);
  }

  .mobile-brand-row > span {
    color: rgba(68, 53, 63, 0.62);
  }

  .mobile-shell h1 {
    color: var(--ink);
    text-shadow: 1px 2px 0 rgba(255, 253, 245, 0.82);
  }

  .mobile-hero-copy > p {
    color: rgba(68, 53, 63, 0.74);
  }

  .experience-panel {
    background:
      radial-gradient(circle at 7% 7%, rgba(244, 199, 95, 0.14), transparent 19%),
      var(--paper);
  }

  .camera-card {
    gap: 12px;
    border: 3px solid var(--storybook-outline);
    border-radius: 22px 17px 24px 19px;
    padding: 11px;
    background:
      radial-gradient(circle at 94% 7%, rgba(202, 216, 239, 0.42), transparent 22%),
      #fffaf1;
    box-shadow:
      0 18px 42px rgba(87, 66, 92, 0.18),
      0 4px 0 rgba(91, 72, 90, 0.16),
      0 0 0 5px rgba(131, 112, 178, 0.11);
  }

  .camera-card::before {
    top: -16px;
    left: 22px;
    font-size: 1.1rem;
  }

  .camera-card::after {
    right: 20px;
    bottom: -15px;
    font-size: 1.2rem;
  }

  .camera-topline {
    min-height: 32px;
    padding: 0 2px 7px;
  }

  .camera-topline p {
    color: var(--violet-dark);
    font-size: 0.76rem;
  }

  .camera-topline > span:last-child {
    color: var(--ink);
    background: rgba(244, 199, 95, 0.5);
  }

  .video-frame,
  .result-frame {
    border: 3px solid rgba(102, 84, 143, 0.82);
    border-radius: 23px 19px 25px 18px;
    box-shadow:
      inset 0 0 0 2px rgba(255, 255, 255, 0.55),
      0 0 0 3px rgba(244, 199, 95, 0.3),
      0 12px 26px rgba(83, 62, 88, 0.15);
  }

  .empty-state {
    color: var(--ink);
    background-color: #eae3f4;
    background-image:
      radial-gradient(circle at 15% 22%, rgba(255, 255, 255, 0.9) 0 2px, transparent 3px),
      radial-gradient(circle at 81% 23%, rgba(244, 199, 95, 0.9) 0 2px, transparent 3px),
      radial-gradient(circle at center, #fffaf1 0%, #ddd2ed 100%);
  }

  .empty-state small {
    color: rgba(68, 53, 63, 0.62);
  }

  .status-panel {
    border-top: 2px dashed rgba(91, 72, 90, 0.2);
  }

  .status-text {
    color: #665663;
  }

  .mobile-download-cta {
    color: #fffdf8;
    background: var(--violet);
    box-shadow:
      0 5px 0 rgba(91, 72, 90, 0.28),
      0 13px 28px rgba(102, 84, 143, 0.2);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}

/* Storybook editorial redesign */
:root {
  --ink: #4f3d52;
  --muted: #796879;
  --paper: #fff8f2;
  --surface: #fefcfa;
  --coral: #ef8d9d;
  --coral-dark: #b86176;
  --violet: #8e6ccf;
  --violet-dark: #6f50ad;
  --yellow: #ffe9a5;
  --sky: #ddefff;
  --mint: #ddf4e8;
  --line: rgba(79, 61, 82, 0.17);
  --shadow: 0 20px 52px rgba(100, 76, 112, 0.13);
  --display: "Arial Rounded MT Bold", "Trebuchet MS", ui-rounded, system-ui, sans-serif;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --storybook-outline: #66516b;
  --storybook-gold: #e3b44f;
  --storybook-lilac: #f5f1fc;
  --storybook-peach: #ffe7da;
}

html,
body {
  background: var(--paper);
}

.landing-shell {
  min-height: 100svh;
  overflow: hidden;
  grid-template-rows: auto minmax(0, 1fr);
  padding: 8px clamp(16px, 2vw, 30px) 12px;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 16%, rgba(255, 233, 165, 0.95) 0 2px, transparent 3px),
    radial-gradient(circle at 83% 12%, rgba(142, 108, 207, 0.46) 0 2px, transparent 3px),
    radial-gradient(circle at 72% 82%, rgba(239, 141, 157, 0.42) 0 2px, transparent 3px),
    radial-gradient(circle at 26% 84%, rgba(221, 239, 255, 0.92) 0 3px, transparent 4px),
    linear-gradient(rgba(255, 248, 242, 0.97), rgba(255, 248, 242, 0.97)),
    repeating-linear-gradient(0deg, rgba(100, 78, 83, 0.018) 0 1px, transparent 1px 4px);
}

.landing-shell::before,
.landing-shell::after {
  z-index: 0;
  width: auto;
  height: auto;
  border: 0;
  border-radius: 0;
  color: var(--storybook-gold);
  background: transparent;
  box-shadow: none;
  opacity: 0.72;
  font-family: Georgia, serif;
  line-height: 1;
}

.landing-shell::before {
  content: "✦";
  top: 14%;
  left: 21%;
  font-size: 1.6rem;
  text-shadow:
    28px 46px 0 rgba(142, 108, 207, 0.48),
    -22px 112px 0 rgba(227, 180, 79, 0.76);
  animation: storybook-sparkle-soft 5s ease-in-out infinite alternate;
}

.landing-shell::after {
  content: "☆";
  right: 19%;
  bottom: 5%;
  font-size: 1.8rem;
  text-shadow:
    34px -74px 0 rgba(239, 141, 157, 0.52),
    -30px -142px 0 rgba(142, 108, 207, 0.42);
  animation: storybook-sparkle-soft 6s 0.8s ease-in-out infinite alternate-reverse;
}

.brand-bar {
  width: min(1500px, 100%);
  min-height: 66px;
  border-bottom: 1.5px solid rgba(79, 61, 82, 0.34);
  position: relative;
  z-index: 10;
}

.brand {
  gap: 10px;
}

.brand-mascot {
  width: 140px;
  height: 60px;
  filter: none;
}

.brand-mascot img {
  width: 140px;
  height: 60px;
}

.brand-word {
  color: var(--violet-dark);
  font-size: 2.05rem;
  letter-spacing: 0.04em;
  text-shadow: none;
}

.brand-bar > p {
  color: var(--ink);
  font-size: 0.83rem;
  font-weight: 650;
}

.app-link {
  min-height: 42px;
  border: 2px solid var(--storybook-outline);
  border-radius: 18px 22px 17px 20px;
  padding: 0 18px;
  color: #fffaf7;
  background: var(--violet);
  box-shadow:
    0 4px 0 rgba(79, 61, 82, 0.22),
    inset 0 0 0 2px rgba(255, 255, 255, 0.35);
  transform: rotate(0.25deg);
}

.app-link:hover {
  color: #fff;
  background: #9b78dc;
  transform: translateY(-2px) rotate(-0.2deg);
}

.desktop-stage {
  width: min(1500px, 100%);
  min-height: calc(100svh - 88px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(610px, 760px) minmax(220px, 1fr);
  align-items: center;
  justify-content: stretch;
  gap: clamp(2px, 1vw, 18px);
  position: relative;
}

.desktop-stage::before,
.desktop-stage::after {
  display: none;
}

.storybook-vignette {
  min-width: 0;
  height: min(80svh, 850px);
  display: grid;
  align-items: center;
  overflow: visible;
  position: relative;
  z-index: 1;
  pointer-events: none;
}

.storybook-vignette img {
  width: clamp(390px, 31vw, 510px);
  max-width: none;
  max-height: 100%;
  display: block;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.storybook-vignette-left {
  justify-items: end;
}

.storybook-vignette-left img {
  object-position: right center;
  transform: translateX(5%);
}

.storybook-vignette-right {
  justify-items: start;
}

.storybook-vignette-right img {
  object-position: left center;
  transform: translateX(-5%);
}

.experience-panel {
  width: 100%;
  min-width: 0;
  gap: 13px;
  z-index: 5;
}

.experience-copy {
  text-align: center;
  text-shadow: none;
}

.experience-copy h1 {
  max-width: 760px;
  margin-inline: auto;
  color: var(--ink);
  font-size: clamp(3.25rem, 4.85vw, 4.9rem);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: 0.005em;
  text-wrap: balance;
}

.experience-copy h1 span,
.mobile-shell h1 span {
  display: block;
  color: var(--violet-dark);
}

.lead {
  max-width: 680px;
  margin: 12px auto 0;
  border-radius: 50% 42% 47% 54% / 38% 51% 42% 52%;
  padding: 8px 30px 9px;
  color: var(--ink);
  background:
    linear-gradient(178deg, transparent 8%, rgba(255, 233, 165, 0.62) 9% 88%, transparent 89%);
  font-size: clamp(0.92rem, 1.15vw, 1.04rem);
  font-weight: 620;
  line-height: 1.42;
}

.camera-card {
  gap: 12px;
  border: 2.5px solid rgba(111, 80, 173, 0.8);
  border-radius: 30px 27px 32px 28px;
  padding: 14px;
  color: var(--ink);
  background:
    radial-gradient(circle at 96% 6%, rgba(221, 239, 255, 0.6), transparent 18%),
    linear-gradient(145deg, rgba(254, 252, 250, 0.99), rgba(255, 248, 242, 0.99));
  box-shadow:
    0 14px 34px rgba(99, 78, 111, 0.12),
    0 3px 0 rgba(79, 61, 82, 0.13),
    inset 0 0 0 2px rgba(255, 255, 255, 0.72);
}

.camera-card::before {
  content: "✦";
  top: -20px;
  left: 30px;
  color: var(--storybook-gold);
  font-size: 1.35rem;
  text-shadow: 18px 13px 0 rgba(142, 108, 207, 0.33);
}

.camera-card::after {
  content: "☆";
  right: 26px;
  bottom: -18px;
  color: var(--violet);
  font-size: 1.35rem;
  text-shadow: 18px -9px 0 rgba(227, 180, 79, 0.66);
}

.camera-topline {
  min-height: 30px;
  border-bottom: 2px dashed rgba(142, 108, 207, 0.32);
  padding: 0 5px 8px;
}

.camera-topline p {
  color: var(--violet-dark);
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.01em;
  text-transform: none;
}

.camera-topline p::before {
  content: "🐾";
  margin-right: 1px;
  filter: grayscale(0.25);
}

.camera-topline > span:last-child {
  border: 1.5px solid rgba(111, 80, 173, 0.45);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--violet-dark);
  background: rgba(245, 241, 252, 0.88);
}

.live-dot {
  display: none;
}

.experience-visual {
  filter: none;
}

.video-frame {
  border: 2px dashed rgba(142, 108, 207, 0.52);
  border-radius: 25px 22px 27px 23px;
  background: var(--storybook-lilac);
  box-shadow:
    inset 0 0 0 4px rgba(255, 255, 255, 0.52),
    inset 0 0 40px rgba(142, 108, 207, 0.08);
}

.video-frame::before {
  border: 0;
  background:
    radial-gradient(circle at 12% 14%, rgba(255, 255, 255, 0.8) 0 2px, transparent 3px),
    radial-gradient(circle at 87% 18%, rgba(255, 233, 165, 0.8) 0 2px, transparent 3px);
  box-shadow: none;
}

.video-frame::after {
  opacity: 0.7;
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.72) 0 2px, transparent 3px),
    radial-gradient(circle at 18% 80%, rgba(239, 141, 157, 0.45) 0 2px, transparent 3px),
    linear-gradient(135deg, rgba(255, 255, 255, 0.11), transparent 26%);
  mix-blend-mode: normal;
}

#camera {
  background: #36313f;
}

.empty-state {
  gap: 7px;
  color: var(--ink);
  background:
    radial-gradient(circle at 21% 23%, rgba(255, 255, 255, 0.88) 0 2px, transparent 3px),
    radial-gradient(circle at 76% 25%, rgba(255, 233, 165, 0.85) 0 3px, transparent 4px),
    radial-gradient(circle at 83% 76%, rgba(221, 244, 232, 0.9) 0 3px, transparent 4px),
    linear-gradient(155deg, #fbf9ff, #f5f1fc 52%, #fff8f2);
}

.empty-state-illustration {
  width: 220px;
  height: 124px;
  position: relative;
}

.storybook-pet-outline {
  width: 150px;
  height: 105px;
  position: absolute;
  top: 4px;
  left: 35px;
  color: rgba(111, 80, 173, 0.72);
}

.storybook-pet-outline i {
  display: block;
  position: absolute;
}

.pet-head {
  width: 106px;
  height: 82px;
  top: 18px;
  left: 22px;
  border: 2px dashed currentColor;
  border-radius: 48% 48% 43% 43%;
  background: rgba(255, 255, 255, 0.18);
}

.pet-ear {
  width: 37px;
  height: 37px;
  top: 6px;
  border-top: 2px dashed currentColor;
  border-left: 2px dashed currentColor;
  border-radius: 8px 5px 0 5px;
  background: rgba(245, 241, 252, 0.88);
}

.pet-ear-left {
  left: 25px;
  transform: rotate(37deg);
}

.pet-ear-right {
  right: 25px;
  transform: scaleX(-1) rotate(37deg);
}

.pet-whiskers {
  width: 30px;
  height: 1px;
  top: 77px;
  left: 0;
  border-top: 1.5px solid currentColor;
  box-shadow: 120px 0 0 currentColor;
  transform: rotate(7deg);
}

.pet-whiskers::before,
.pet-whiskers::after {
  content: "";
  width: 30px;
  position: absolute;
  left: 0;
  border-top: 1.5px solid currentColor;
}

.pet-whiskers::before {
  top: -9px;
  box-shadow: 120px 16px 0 currentColor;
  transform: rotate(-12deg);
}

.pet-whiskers::after {
  top: 8px;
  box-shadow: 120px -16px 0 currentColor;
  transform: rotate(12deg);
}

.empty-state .lens-mark {
  width: 55px;
  height: 43px;
  position: absolute;
  z-index: 2;
  top: 48px;
  left: 82px;
  border: 2.5px solid var(--violet-dark);
  border-radius: 10px;
  background: rgba(245, 241, 252, 0.93);
  box-shadow:
    0 3px 0 rgba(79, 61, 82, 0.16),
    0 0 17px rgba(255, 233, 165, 0.5);
}

.empty-state .lens-mark::before {
  width: 20px;
  height: 20px;
  border: 2.5px solid var(--violet-dark);
  background: rgba(255, 255, 255, 0.68);
}

.empty-state .lens-mark::after {
  width: 20px;
  height: 8px;
  top: -9px;
  bottom: auto;
  left: 7px;
  border: 2px solid var(--violet-dark);
  border-bottom: 0;
  border-radius: 5px 5px 0 0;
  background: #cbb8eb;
}

.empty-state > div:last-child {
  display: grid;
  gap: 3px;
}

.empty-state p {
  color: var(--violet-dark);
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 900;
}

.empty-state small {
  color: rgba(79, 61, 82, 0.65);
}

.pet-guide {
  inset: 8%;
}

.pet-guide span {
  border-color: rgba(111, 80, 173, 0.82);
  filter:
    drop-shadow(0 2px 0 rgba(255, 255, 255, 0.86))
    drop-shadow(0 0 7px rgba(255, 233, 165, 0.42));
}

.bird-art svg {
  filter:
    drop-shadow(0 2px 0 rgba(255, 248, 242, 0.92))
    drop-shadow(0 4px 7px rgba(79, 61, 82, 0.24));
}

.detection-prompt {
  background: rgba(79, 61, 82, 0.12);
  text-shadow: 0 2px 10px rgba(47, 34, 50, 0.58);
}

.waiting-overlay {
  background: linear-gradient(to bottom, transparent 53%, rgba(79, 61, 82, 0.34));
}

.waiting-status {
  border: 2px solid rgba(111, 80, 173, 0.46);
  border-radius: 18px 15px 19px 16px;
  color: var(--ink);
  background: rgba(255, 248, 242, 0.91);
  box-shadow: 0 9px 24px rgba(79, 61, 82, 0.16);
}

.waiting-status-birds {
  color: var(--violet);
}

.status-panel {
  min-height: 64px;
  border: 0;
  border-radius: 20px 17px 21px 18px;
  padding: 8px 10px 8px 14px;
  background:
    linear-gradient(100deg, rgba(255, 233, 165, 0.36), rgba(255, 248, 242, 0.72));
}

.status-text {
  color: #655266;
  font-size: 0.84rem;
  font-weight: 670;
}

.button,
.icon-button,
.mobile-download-cta,
.dialog-icon-button {
  border: 2px solid var(--storybook-outline);
  border-radius: 20px 17px 21px 18px;
  font-family: var(--body);
  font-weight: 850;
  letter-spacing: 0.01em;
}

.button {
  min-height: 50px;
  padding-inline: 24px;
}

.primary {
  color: #fffaf7;
  background:
    radial-gradient(circle at 18% 35%, rgba(255, 255, 255, 0.42) 0 2px, transparent 3px),
    radial-gradient(circle at 83% 28%, rgba(255, 233, 165, 0.76) 0 2px, transparent 3px),
    var(--violet);
  box-shadow:
    0 5px 0 rgba(79, 61, 82, 0.24),
    0 11px 22px rgba(111, 80, 173, 0.19),
    inset 0 0 0 2px rgba(255, 255, 255, 0.27);
}

.primary:hover:not(:disabled) {
  background-color: #9b78dc;
  filter: brightness(1.04);
  transform: translateY(-3px) rotate(-0.25deg);
}

.secondary {
  color: var(--ink);
  background: var(--yellow);
  box-shadow:
    0 5px 0 rgba(119, 87, 54, 0.18),
    0 10px 22px rgba(157, 119, 58, 0.12);
}

.result-frame {
  border: 2px solid rgba(111, 80, 173, 0.76);
  border-radius: 25px 22px 27px 23px;
  background: var(--surface);
  box-shadow:
    inset 0 0 0 3px rgba(255, 255, 255, 0.6),
    0 11px 26px rgba(79, 61, 82, 0.12);
}

.result-copy-area {
  background:
    radial-gradient(circle at 94% 16%, rgba(255, 233, 165, 0.72) 0 2px, transparent 3px),
    radial-gradient(circle at 88% 27%, rgba(142, 108, 207, 0.38) 0 2px, transparent 3px),
    linear-gradient(145deg, #fefcfa, #f9f5fd);
}

.result-heading > span {
  color: var(--violet);
}

.result-kicker {
  color: var(--coral-dark);
}

.result-photo {
  border-top: 2px dashed rgba(142, 108, 207, 0.28);
  background: #36313f;
}

.poster-dialog {
  border-radius: 26px 22px 28px 23px;
  box-shadow: 0 28px 74px rgba(79, 61, 82, 0.3);
}

.poster-dialog::backdrop {
  background: rgba(79, 61, 82, 0.55);
}

.poster-viewer {
  border: 3px solid var(--storybook-outline);
  background: var(--paper);
}

.poster-canvas {
  background: var(--storybook-lilac);
}

@keyframes storybook-sparkle-soft {
  from {
    opacity: 0.5;
    transform: translateY(0) rotate(-5deg) scale(0.92);
  }

  to {
    opacity: 0.92;
    transform: translateY(-7px) rotate(5deg) scale(1.08);
  }
}

@media (max-width: 1240px) and (min-width: 681px) {
  .desktop-stage {
    grid-template-columns: minmax(620px, 820px);
    justify-content: center;
  }

  .storybook-vignette {
    display: none;
  }

  .experience-copy h1 {
    font-size: clamp(3.2rem, 7vw, 4.6rem);
  }
}

@media (max-height: 790px) and (min-width: 681px) {
  .brand-bar {
    min-height: 50px;
  }

  .desktop-stage {
    min-height: calc(100svh - 70px);
  }

  .storybook-vignette {
    height: min(76svh, 720px);
  }

  .experience-panel {
    gap: 8px;
  }

  .experience-copy h1 {
    font-size: clamp(2.8rem, 4.3vw, 4rem);
  }

  .lead {
    margin-top: 6px;
    padding-block: 5px 6px;
    font-size: 0.88rem;
  }

  .camera-card {
    padding: 11px;
  }

  .video-frame {
    aspect-ratio: 16 / 8.4;
  }

  .status-panel {
    min-height: 54px;
  }
}

@media (max-width: 680px) {
  .landing-shell {
    min-height: auto;
    overflow: visible;
    padding: 0;
    background: var(--paper);
  }

  .storybook-vignette {
    display: none;
  }

  .mobile-shell {
    border-bottom: 1.5px solid rgba(79, 61, 82, 0.24);
    padding: max(14px, env(safe-area-inset-top)) 18px 18px;
    color: var(--ink);
    background:
      radial-gradient(circle at 88% 18%, rgba(255, 233, 165, 0.86) 0 3px, transparent 4px),
      radial-gradient(circle at 77% 31%, rgba(142, 108, 207, 0.4) 0 2px, transparent 3px),
      linear-gradient(155deg, #f5f1fc, #fff8f2 74%);
  }

  .mobile-shell::before {
    width: 86px;
    height: 30px;
    top: 80px;
    right: -16px;
    border: 2px solid rgba(111, 80, 173, 0.24);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 24px -9px 0 -2px rgba(255, 255, 255, 0.56);
    transform: rotate(-5deg);
  }

  .mobile-brand-lockup .brand-word {
    color: var(--violet-dark);
  }

  .mobile-brand-row > span {
    color: rgba(79, 61, 82, 0.62);
  }

  .mobile-shell h1 {
    max-width: 360px;
    color: var(--ink);
    font-size: clamp(2.2rem, 10.6vw, 3.05rem);
    line-height: 0.98;
    text-shadow: none;
  }

  .mobile-hero-copy > p {
    color: rgba(79, 61, 82, 0.74);
    font-weight: 650;
  }

  .desktop-stage {
    width: 100%;
    min-height: 0;
    display: block;
  }

  .experience-panel {
    padding: 12px 9px max(42px, env(safe-area-inset-bottom));
    background:
      radial-gradient(circle at 5% 6%, rgba(255, 233, 165, 0.22), transparent 20%),
      var(--paper);
  }

  .camera-card {
    gap: 11px;
    border: 2.5px solid rgba(111, 80, 173, 0.78);
    border-radius: 26px 22px 28px 23px;
    padding: 10px;
    background: var(--surface);
    box-shadow:
      0 14px 34px rgba(79, 61, 82, 0.13),
      0 3px 0 rgba(79, 61, 82, 0.11),
      inset 0 0 0 2px rgba(255, 255, 255, 0.7);
  }

  .camera-card::before {
    top: -15px;
    left: 22px;
    font-size: 1.05rem;
  }

  .camera-card::after {
    right: 20px;
    bottom: -14px;
    font-size: 1.1rem;
  }

  .camera-topline {
    min-height: 32px;
    padding: 0 3px 7px;
  }

  .camera-topline p {
    color: var(--violet-dark);
    font-size: 0.73rem;
  }

  .camera-topline > span:last-child {
    color: var(--violet-dark);
    background: var(--storybook-lilac);
  }

  .video-frame,
  .result-frame {
    border: 2px dashed rgba(142, 108, 207, 0.52);
    border-radius: 23px 19px 25px 20px;
    box-shadow:
      inset 0 0 0 3px rgba(255, 255, 255, 0.54),
      0 9px 22px rgba(79, 61, 82, 0.1);
  }

  .empty-state-illustration {
    width: 190px;
    height: 110px;
    transform: scale(0.88);
    transform-origin: center bottom;
  }

  .empty-state p {
    font-size: 0.96rem;
  }

  .empty-state small {
    color: rgba(79, 61, 82, 0.62);
  }

  .status-panel {
    min-height: 0;
    grid-template-columns: 1fr;
    border: 0;
    border-radius: 18px 15px 19px 16px;
    padding: 12px;
  }

  .status-text {
    color: #655266;
    font-size: 0.88rem;
  }

  .button,
  .icon-button {
    min-height: 54px;
  }

  .mobile-download-cta {
    color: #fffaf7;
    background: var(--violet);
    box-shadow:
      0 5px 0 rgba(79, 61, 82, 0.22),
      0 12px 24px rgba(111, 80, 173, 0.17);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}

/* 模型加载遮罩与虚化提示样式 */
.model-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 9;
  display: grid;
  place-items: center;
  background: rgba(79, 61, 82, 0.45); /* 柔和暗色遮表层 */
  backdrop-filter: blur(12px); /* 赋予高斯模糊/虚化效果 */
  -webkit-backdrop-filter: blur(12px);
  padding: 20px;
  box-sizing: border-box;
  animation: model-fade-in 250ms ease-out;
  border-radius: inherit;
}

.model-loading-box {
  background: var(--surface);
  border: 2px solid var(--storybook-outline);
  border-radius: 20px;
  padding: 24px 20px;
  width: min(340px, 92%);
  text-align: center;
  box-shadow: 
    0 12px 30px rgba(79, 61, 82, 0.22),
    0 3px 0 rgba(79, 61, 82, 0.18);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.model-loading-paw {
  font-size: 2.2rem;
  display: inline-block;
  animation: model-paw-bounce 1s ease-in-out infinite alternate;
}

.model-loading-box h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.15rem;
  color: var(--violet-dark);
}

.model-loading-box p {
  margin: 0;
  font-family: var(--body);
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
}

.model-loading-spinner {
  width: 28px;
  height: 28px;
  border: 3.5px solid var(--storybook-lilac);
  border-top-color: var(--violet);
  border-radius: 50%;
  animation: model-spin 800ms linear infinite;
  margin-top: 6px;
}

@keyframes model-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes model-spin {
  to { transform: rotate(360deg); }
}

@keyframes model-paw-bounce {
  from { transform: translateY(0) scale(1) rotate(-8deg); }
  to { transform: translateY(-8px) scale(1.05) rotate(8deg); }
}

/* 知识卡片放大弹窗样式：实现优雅的缩放和淡入过渡，与网站的童话 editorial 风格完美契合 */
.knowledge-dialog {
  width: min(420px, calc(100vw - 32px));
  border: 0;
  border-radius: 26px 22px 28px 23px;
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: transparent;
  box-shadow: 0 28px 74px rgba(79, 61, 82, 0.3);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 220ms cubic-bezier(0.34, 1.56, 0.64, 1), transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.knowledge-dialog::backdrop {
  background: rgba(79, 61, 82, 0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: background-color 220ms ease, backdrop-filter 220ms ease, -webkit-backdrop-filter 220ms ease;
}

/* 当 dialog 激活可见时 */
.knowledge-dialog.is-visible {
  opacity: 1;
  transform: scale(1);
}

.knowledge-dialog.is-visible::backdrop {
  background: rgba(79, 61, 82, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.knowledge-dialog-content {
  border: 3px solid var(--storybook-outline);
  border-radius: inherit;
  background: var(--paper);
  padding: 30px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
  position: relative;
}

.knowledge-dialog-sparkle {
  position: absolute;
  top: -12px;
  left: 24px;
  color: var(--storybook-gold);
  font-family: Georgia, serif;
  font-size: 1.8rem;
  text-shadow: 2px 2px 0 rgba(142, 108, 207, 0.25);
  pointer-events: none;
}

.knowledge-dialog-subtitle {
  margin: 0;
  color: var(--coral-dark);
  font-family: var(--body);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.knowledge-dialog-content h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.2;
}

.knowledge-dialog-content p#knowledge-dialog-copy {
  margin: 0;
  font-family: var(--body);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--muted);
}

.knowledge-dialog-content button {
  width: 100%;
  margin-top: 8px;
}

/* 结果卡片中宠物的心情/Mood 展示徽章：作为核心翻译结论、强化其主要展示属性 */
.result-mood-row {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  gap: 12px;
  margin-top: 5px;
  margin-bottom: 12px;
}

.result-mood-container {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--yellow); /* 使用温馨高亮的暖黄色底色 */
  border: 2px solid var(--storybook-outline); /* 加粗边框使其立体 */
  border-radius: 99px;
  padding: 6px 14px;
  margin: 0;
  font-family: var(--body);
  font-size: 0.85rem; /* 增大整体心情文字大小 */
  font-weight: 850;
  box-shadow: 
    0 3px 0 rgba(79, 61, 82, 0.16), /* 增加童话立体层质感 */
    0 6px 12px rgba(244, 199, 95, 0.15);
}

.result-mood-label {
  color: var(--ink); /* 强化标签对比度 */
  font-size: 0.85rem;
}

.result-mood-value {
  color: var(--violet-dark);
  font-family: var(--display);
  font-size: 1.1rem; /* 让主要状态的心情单词极其醒目抢眼 */
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.result-distribution-container {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #ffffff;
  border: 2px solid var(--storybook-outline);
  border-radius: 99px;
  padding: 4px 14px 4px 8px; /* 偏左内边距给圆环预留极佳空间 */
  box-shadow: 0 3px 0 rgba(79, 61, 82, 0.16);
}

.distribution-chart-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.distribution-chart {
  width: 28px;
  height: 28px;
  transform: rotate(-90deg); /* 坐标旋转，让 0% 起点在正上方 12 点方向 */
  transform-origin: center;
}

.donut-bg {
  stroke: #f3effc;
}

.distribution-legend {
  display: flex;
  align-items: center;
  gap: 10px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.legend-text {
  font-family: var(--body);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: capitalize;
}