:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #eef6f5;
  --ink: #111827;
  --muted: #5b6475;
  --line: #d8dee8;
  --primary: #0f766e;
  --primary-strong: #115e59;
  --accent: #f59e0b;
  --rose: #e11d48;
  --violet: #4f46e5;
  --shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  background:
    linear-gradient(90deg, rgba(15, 118, 110, 0.07) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(79, 70, 229, 0.06) 0 1px, transparent 1px 100%),
    var(--bg);
  background-size: 44px 44px;
}

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

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

svg {
  display: block;
  width: 1.1em;
  height: 1.1em;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
  transform: translateY(-140%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding: 14px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid rgba(216, 222, 232, 0.9);
  background: rgba(245, 247, 251, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.brand img {
  flex: 0 0 auto;
  border-radius: 8px;
}

.brand span {
  display: grid;
  gap: 2px;
}

.brand strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-nav a,
.back-link,
.button,
.test-card,
.option-card,
.mini-card {
  touch-action: manipulation;
}

.top-nav a {
  display: inline-grid;
  min-height: 44px;
  place-items: center;
  padding: 0 14px;
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 700;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  background: var(--surface);
  color: var(--ink);
  outline: none;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 72px;
}

.intro-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.7fr);
  align-items: stretch;
  gap: 24px;
  min-height: 320px;
}

.intro-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(8px, 2vw, 24px) 0;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
}

.intro-copy h1 {
  max-width: 780px;
  font-size: clamp(2rem, 5vw, 4.9rem);
}

.intro-copy p:not(.eyebrow) {
  max-width: 640px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.featured-card,
.test-card,
.question-panel,
.result-content,
.result-poster,
.about-page section,
.share-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.featured-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 320px;
  overflow: hidden;
  padding: 24px;
}

.featured-card::before,
.result-poster::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.14), transparent 44%),
    linear-gradient(315deg, rgba(225, 29, 72, 0.12), transparent 42%);
  pointer-events: none;
}

.featured-card > *,
.result-poster > * {
  position: relative;
}

.feature-art {
  display: grid;
  width: min(190px, 58%);
  aspect-ratio: 1;
  place-items: center;
  align-self: flex-end;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.24), rgba(20, 184, 166, 0.22)),
    #fff;
  color: var(--ink);
  font-size: clamp(2.5rem, 8vw, 5.2rem);
  font-weight: 900;
}

.featured-card h2 {
  max-width: 17rem;
  font-size: 1.65rem;
}

.featured-card p {
  margin: 12px 0 22px;
  color: var(--muted);
  line-height: 1.65;
}

.basis-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: var(--radius);
  background: rgba(239, 250, 248, 0.82);
  box-shadow: none;
}

.basis-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.basis-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.basis-list div {
  display: grid;
  gap: 3px;
}

.basis-list dt {
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 900;
}

.basis-list dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

.catalog-section {
  margin-top: 56px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.section-heading h2 {
  font-size: 1.65rem;
}

.section-heading p {
  max-width: 560px;
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.catalog-metrics {
  display: grid;
  min-width: 132px;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  text-align: right;
}

.catalog-metrics strong {
  color: var(--primary);
  font-size: 1.55rem;
  line-height: 1;
}

.catalog-metrics span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.catalog-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 340px) minmax(0, 1fr);
  gap: 12px;
  align-items: end;
  margin-bottom: 18px;
}

.search-field {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.search-field input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 0 14px;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.search-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-pill {
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.filter-pill:hover,
.filter-pill:focus-visible,
.filter-pill.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  outline: none;
}

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

.test-card {
  display: grid;
  align-content: space-between;
  gap: 16px;
  min-height: 260px;
  padding: 20px;
  color: var(--ink);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.test-card:hover,
.test-card:focus-visible,
.mini-card:hover,
.mini-card:focus-visible {
  border-color: color-mix(in srgb, var(--primary) 60%, var(--line));
  box-shadow: 0 20px 46px rgba(17, 24, 39, 0.12);
  outline: none;
  transform: translateY(-2px);
}

.test-card header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.test-card h3 {
  font-size: 1.2rem;
}

.test-card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.card-basis {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.empty-state {
  margin: 18px 0 0;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  color: var(--muted);
  text-align: center;
}

.card-code {
  display: inline-grid;
  min-width: 52px;
  height: 52px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--primary);
  font-weight: 900;
}

.tag-list,
.trait-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag,
.trait {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 800;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  outline: none;
  transform: translateY(-1px);
}

.button.primary {
  background: var(--primary);
  color: white;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--primary-strong);
}

.button.secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: var(--primary);
}

.quiz-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
  align-items: start;
}

.quiz-meta {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 14px;
}

.quiz-meta h1 {
  font-size: clamp(2rem, 4vw, 3.7rem);
}

.quiz-meta p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  font-weight: 800;
}

.back-link:hover,
.back-link:focus-visible {
  border-color: var(--primary);
  color: var(--ink);
  outline: none;
}

.progress-wrap {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe6ef;
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--rose));
  transition: width 220ms ease;
}

.question-panel {
  min-height: 470px;
  padding: clamp(18px, 4vw, 34px);
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: clamp(1.35rem, 3vw, 2.1rem);
  font-weight: 900;
  line-height: 1.28;
}

.option-list {
  display: grid;
  gap: 12px;
}

.option-card {
  position: relative;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  min-height: 76px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.option-card:hover,
.option-card:focus-within {
  border-color: var(--primary);
  background: #f8fffd;
  transform: translateY(-1px);
}

.option-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-marker {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 2px solid #bcc7d6;
  border-radius: 50%;
}

.option-marker::after {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  content: "";
  opacity: 0;
  transform: scale(0.6);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.option-card:has(input:checked) {
  border-color: var(--primary);
  background: #effaf8;
}

.option-card:has(input:checked) .option-marker::after {
  opacity: 1;
  transform: scale(1);
}

.option-title {
  display: block;
  color: var(--ink);
  font-weight: 850;
  line-height: 1.45;
}

.option-note {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.result-layout {
  display: grid;
  grid-template-columns: minmax(270px, 0.62fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.result-poster {
  position: sticky;
  top: 104px;
  display: flex;
  min-height: 560px;
  overflow: hidden;
  flex-direction: column;
  justify-content: end;
  padding: 28px;
  color: white;
  background: #111827;
}

.result-poster::after {
  position: absolute;
  right: 24px;
  top: 30px;
  width: 168px;
  height: 168px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent),
    rgba(255, 255, 255, 0.07);
  content: "";
}

.result-poster[data-tone="amber"] {
  background: #513319;
}

.result-poster[data-tone="teal"] {
  background: #063f3b;
}

.result-poster[data-tone="rose"] {
  background: #54182c;
}

.result-poster[data-tone="violet"] {
  background: #2d256d;
}

.result-poster p {
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.2rem;
  font-weight: 900;
}

.result-poster h1 {
  max-width: 11ch;
  font-size: clamp(2.5rem, 7vw, 5rem);
}

.result-poster span {
  display: block;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  line-height: 1.55;
}

.result-content {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 4vw, 34px);
}

.result-content h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.result-summary {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.trait {
  border-color: rgba(15, 118, 110, 0.28);
  background: #effaf8;
  color: var(--primary-strong);
}

.content-block {
  display: grid;
  gap: 10px;
  padding-top: 6px;
}

.content-block h3,
.share-box h3,
.more-tests h3,
.about-page h2 {
  font-size: 1.05rem;
}

.content-block p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.score-card > p {
  margin-bottom: 2px;
}

.score-list {
  display: grid;
  gap: 12px;
}

.score-item {
  display: grid;
  gap: 6px;
}

.score-item header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink);
  font-weight: 850;
}

.score-item header span {
  color: var(--muted);
  font-size: 0.88rem;
}

.score-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe6ef;
}

.score-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.signal-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-list li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  line-height: 1.65;
}

.signal-list li::before {
  position: absolute;
  left: 0;
  top: 0.56em;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--accent);
  content: "";
}

.share-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  box-shadow: none;
}

.share-box p {
  margin: 7px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.more-tests {
  display: grid;
  gap: 12px;
}

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

.mini-card {
  display: grid;
  gap: 4px;
  min-height: 92px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.mini-card strong {
  font-size: 0.98rem;
}

.mini-card span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.about-page {
  max-width: 900px;
}

.about-page h1 {
  margin-top: 24px;
  font-size: clamp(2rem, 5vw, 4rem);
}

.about-page > p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.about-page code {
  padding: 2px 6px;
  border-radius: 6px;
  background: #e7edf4;
  color: var(--ink);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.about-page section {
  padding: 20px;
}

.about-page ul {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.65;
}

.framework-section {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.framework-card {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.framework-card strong {
  color: var(--ink);
}

.framework-card span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.reference-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.reference-list a {
  color: var(--primary-strong);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
  font-weight: 800;
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
  pointer-events: none;
}

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

:focus-visible {
  outline: 3px solid rgba(245, 158, 11, 0.75);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .app-shell {
    width: min(100% - 24px, 720px);
    padding-top: 24px;
  }

  .intro-panel,
  .quiz-layout,
  .result-layout,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .quiz-meta,
  .result-poster {
    position: static;
  }

  .result-poster {
    min-height: 390px;
  }

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

@media (max-width: 640px) {
  .site-header {
    min-height: 64px;
    padding: 10px 12px;
  }

  .brand small {
    display: none;
  }

  .top-nav a {
    padding: 0 10px;
  }

  .intro-copy h1,
  .quiz-meta h1,
  .result-content h2 {
    font-size: 2rem;
  }

  .test-grid,
  .mini-grid,
  .framework-grid {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .catalog-toolbar,
  .share-box {
    align-items: stretch;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .catalog-metrics {
    text-align: left;
  }

  .share-actions {
    justify-content: stretch;
  }

  .share-actions .button {
    flex: 1 1 170px;
  }

  .question-panel,
  .result-content {
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}