:root {
  --bg: #f3efe4;
  --bg-deep: #d8ccb5;
  --ink: #201b16;
  --muted: #64584d;
  --card: rgba(255, 251, 243, 0.82);
  --line: rgba(32, 27, 22, 0.11);
  --accent: #c76431;
  --accent-2: #314f7d;
  --shadow: 0 24px 80px rgba(46, 33, 19, 0.15);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC",
    "Microsoft YaHei", sans-serif;
  --font-serif: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
}

* {
  box-sizing: border-box;
}

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

body {
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(199, 100, 49, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(49, 79, 125, 0.14), transparent 24%),
    linear-gradient(135deg, var(--bg), #e9e0cf 48%, var(--bg-deep));
  color: var(--ink);
  font-family: var(--font-sans);
}

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

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at center, black, transparent 88%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(243, 239, 228, 0.72);
  border-bottom: 1px solid rgba(32, 27, 22, 0.08);
}

.site-header-inner,
.site-footer-inner {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
}

.site-header-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  min-height: 72px;
}

.site-mark {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-header-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.site-header-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(49, 79, 125, 0.08);
  color: var(--muted);
  font-size: 0.84rem;
}

.app-shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

.panel {
  display: none;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}

.panel.active {
  display: grid;
  animation: rise 420ms ease;
}

.span-full {
  grid-column: 1 / -1;
}

.hero-panel {
  min-height: calc(100vh - 148px);
  align-items: center;
}

.hero-copy,
.hero-card,
.teaser-card,
.brand-lab,
.question-card,
.result-card,
.mini-card,
.dimension-card,
.share-card,
.share-preview,
.share-side {
  border: 1px solid var(--line);
  background: var(--card);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-card {
  padding: 36px;
  border-radius: var(--radius-lg);
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.teaser-card,
.brand-lab,
.share-card,
.share-preview,
.share-side {
  padding: 24px;
  border-radius: var(--radius-md);
}

.teaser-card h3,
.share-preview h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  line-height: 1.3;
}

.teaser-card p:last-child,
.share-side-copy {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.brand-lab {
  display: grid;
  gap: 18px;
}

.how-it-works {
  display: grid;
  gap: 18px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.flow-card {
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(32, 27, 22, 0.1);
  background: rgba(255, 251, 243, 0.78);
  box-shadow: var(--shadow);
}

.flow-card strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: rgba(199, 100, 49, 0.12);
  color: var(--accent);
}

.flow-card h4 {
  margin: 14px 0 10px;
  font-size: 1.02rem;
}

.flow-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.section-subhead {
  margin-top: 10px;
}

.brand-roster {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.brand-pill,
.sample-card,
.share-chip,
.poster-card {
  border: 1px solid rgba(32, 27, 22, 0.1);
  background: rgba(255, 252, 246, 0.85);
}

.brand-pill {
  padding: 14px 16px;
  border-radius: 16px;
}

.brand-pill-header {
  display: flex;
  gap: 14px;
  align-items: center;
}

.pixel-figure {
  display: inline-grid;
  justify-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.pixel-sprite {
  box-sizing: content-box;
  display: grid;
  grid-template-columns: repeat(var(--sprite-size), var(--pixel-scale));
  grid-auto-rows: var(--pixel-scale);
  width: calc(var(--sprite-size) * var(--pixel-scale));
  height: calc(var(--sprite-size) * var(--pixel-scale));
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.46), rgba(235, 228, 214, 0.82));
  padding: 8px;
  box-shadow: inset 0 0 0 1px rgba(32, 27, 22, 0.07);
  flex: 0 0 auto;
}

.pixel-figure-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(32, 27, 22, 0.08);
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.pixel {
  width: var(--pixel-scale);
  height: var(--pixel-scale);
  background: transparent;
}

.brand-pill strong,
.sample-card strong,
.share-chip strong {
  display: block;
  font-size: 0.92rem;
}

.brand-pill span,
.sample-card span,
.share-chip span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.sample-questions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.sample-card {
  padding: 16px;
  border-radius: 16px;
}

.hero-copy h1,
.quiz-head h2,
.result-top h2,
.question-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  letter-spacing: -0.02em;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 5vw, 5.4rem);
  line-height: 0.98;
  max-width: 9ch;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.lede {
  max-width: 32rem;
  margin: 24px 0 0;
  font-size: 1.1rem;
  line-height: 1.8;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-tags span,
.spec-line span:last-child,
.score-badge span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(49, 79, 125, 0.1);
  color: var(--accent-2);
  font-size: 0.92rem;
}

.spec-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.spec-line span:first-child {
  font-weight: 700;
}

.rules {
  margin: 24px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.primary-button,
.ghost-button,
.option-button {
  appearance: none;
  border: none;
  cursor: pointer;
  font: inherit;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.primary-button:focus-visible,
.ghost-button:focus-visible,
.option-button:focus-visible {
  outline: 3px solid rgba(199, 100, 49, 0.38);
  outline-offset: 2px;
}

.primary-button,
.ghost-button {
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
}

.primary-button {
  margin-top: 28px;
  background: var(--ink);
  color: #fffaf2;
}

.primary-button:hover,
.option-button:hover,
.ghost-button:hover {
  transform: translateY(-2px);
}

.ghost-button {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.quiz-panel,
.result-panel {
  grid-template-columns: 1fr;
  gap: 18px;
  min-height: calc(100vh - 96px);
}

.quiz-head,
.result-top,
.section-head,
.quiz-actions {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.progress-track {
  height: 12px;
  border-radius: 999px;
  background: rgba(32, 27, 22, 0.08);
  overflow: hidden;
}

.progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #d3a84e);
  border-radius: inherit;
  transition: width 220ms ease;
}

.question-card {
  padding: 30px;
  border-radius: var(--radius-lg);
}

.question-tip,
.micro-copy,
.result-subtitle,
.result-detail,
.mini-card p,
.section-head p {
  margin: 0;
  color: var(--muted);
}

.question-card h3 {
  margin-top: 10px;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1.2;
  max-width: 24ch;
}

.options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.option-button {
  min-height: 112px;
  padding: 18px;
  text-align: left;
  border-radius: var(--radius-md);
  border: 1px solid rgba(32, 27, 22, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(243, 236, 223, 0.88));
  color: var(--ink);
  line-height: 1.6;
}

.option-button,
.brand-pill,
.sample-card,
.flow-card,
.teaser-card,
.mini-card,
.share-chip {
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.brand-pill:hover,
.sample-card:hover,
.flow-card:hover,
.teaser-card:hover,
.mini-card:hover,
.share-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(46, 33, 19, 0.08);
}

.option-button.selected {
  border-color: rgba(199, 100, 49, 0.45);
  box-shadow: inset 0 0 0 1px rgba(199, 100, 49, 0.2);
  background:
    linear-gradient(180deg, rgba(255, 244, 232, 0.96), rgba(255, 236, 216, 0.96));
}

.result-top {
  align-items: flex-end;
}

.result-top h2 {
  font-size: clamp(2.2rem, 4vw, 4.4rem);
  line-height: 1;
}

.score-badge {
  min-width: 132px;
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(32, 27, 22, 0.92);
  color: #fff7ef;
  text-align: center;
}

.score-badge strong {
  display: block;
  margin-top: 8px;
  font-size: 2rem;
}

.result-card {
  padding: 30px;
  border-radius: var(--radius-lg);
}

.result-summary {
  margin: 0;
  font-size: 1.24rem;
  line-height: 1.85;
}

.result-detail {
  margin-top: 18px;
  line-height: 1.8;
}

blockquote {
  margin: 22px 0 0;
  padding-left: 18px;
  border-left: 3px solid rgba(199, 100, 49, 0.5);
  font-family: var(--font-serif);
  font-size: 1.12rem;
  line-height: 1.8;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mini-card,
.dimension-card,
.share-card {
  padding: 24px;
  border-radius: var(--radius-md);
}

.mini-card h3,
.section-head h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.dimensions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin-top: 22px;
}

.dimension-item {
  display: grid;
  gap: 8px;
}

.dimension-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.95rem;
}

.dimension-bar {
  height: 12px;
  border-radius: 999px;
  background: rgba(32, 27, 22, 0.08);
  overflow: hidden;
}

.dimension-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-2), #8db0d8);
}

.result-actions {
  display: flex;
  justify-content: center;
}

.share-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  margin-top: 20px;
}

.share-preview {
  background:
    radial-gradient(circle at top right, rgba(199, 100, 49, 0.16), transparent 28%),
    linear-gradient(180deg, rgba(255, 250, 241, 0.92), rgba(241, 232, 214, 0.94));
}

.share-preview p {
  margin: 12px 0 0;
  line-height: 1.8;
}

.share-preview-header {
  display: flex;
  gap: 18px;
  align-items: center;
}

.share-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.share-chip {
  flex: 1 1 220px;
  min-width: 0;
  padding: 12px 14px;
  border-radius: 14px;
}

.share-chip span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.share-side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}

.poster-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.poster-card {
  padding: 18px;
  border-radius: var(--radius-md);
}

.poster-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
}

.poster-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.poster-card canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  background: rgba(255, 248, 238, 0.7);
}

.site-footer {
  padding: 0 0 34px;
}

.site-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.site-footer-inner p {
  margin: 0;
  max-width: 34rem;
}

.hidden {
  display: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .panel,
  .hero-panel {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .quiz-panel,
  .result-panel {
    min-height: auto;
  }

  .options,
  .dimensions,
  .result-grid,
  .intro-strip,
  .sample-questions,
  .brand-roster,
  .share-layout,
  .poster-grid,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .result-top,
  .quiz-head,
  .quiz-actions,
  .section-head,
  .poster-head,
  .share-preview-header,
  .site-header-inner,
  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-header-inner {
    min-height: auto;
    padding: 14px 0;
  }

  .site-header-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 18px;
    padding-bottom: 32px;
  }

  .hero-copy,
  .hero-card,
  .teaser-card,
  .brand-lab,
  .question-card,
  .result-card,
  .mini-card,
  .dimension-card,
  .share-card,
  .share-preview,
  .share-side {
    padding: 22px;
  }

  .option-button {
    min-height: 102px;
    width: 100%;
  }

  .primary-button,
  .ghost-button {
    width: 100%;
  }

  .score-badge {
    width: 100%;
  }

  .site-header-inner,
  .site-footer-inner {
    width: min(100vw - 20px, 100%);
  }
}