:root {
  --bg: #110f11;
  --panel: rgba(24, 20, 24, 0.82);
  --panel-strong: rgba(18, 14, 18, 0.96);
  --text: #f7efe8;
  --text-muted: rgba(247, 239, 232, 0.72);
  --line: rgba(255, 255, 255, 0.1);
  --accent: #ff7359;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 129, 84, 0.18), transparent 28%),
    radial-gradient(circle at 80% 12%, rgba(255, 224, 157, 0.12), transparent 24%),
    linear-gradient(160deg, #090809 0%, #1a1316 42%, #110f11 100%);
}

img {
  max-width: 100%;
  display: block;
}

button {
  font: inherit;
  font-size: 16px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.65;
}

.orb-a {
  width: 24rem;
  height: 24rem;
  top: -8rem;
  right: -4rem;
  background: rgba(255, 119, 85, 0.22);
  animation: floatA 12s ease-in-out infinite;
}

.orb-b {
  width: 18rem;
  height: 18rem;
  bottom: 8rem;
  left: -3rem;
  background: rgba(255, 232, 176, 0.12);
  animation: floatB 14s ease-in-out infinite;
}

.grid-noise {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 88%);
}

.app-shell {
  width: min(1180px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.hero-panel,
.quiz-shell,
.result-shell {
  animation: rise 0.6s ease;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.9fr);
  gap: 1.25rem;
  align-items: stretch;
}

.hero-copy,
.aside-card,
.question-card,
.model-card,
.metric-card,
.match-card,
.dimension-group,
.footer-note,
.result-hero {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-copy {
  border-radius: 32px;
  padding: 2.25rem;
}

.hero-aside {
  display: grid;
  gap: 1rem;
}

.aside-card,
.model-card,
.footer-note,
.dimension-group,
.match-card {
  border-radius: 24px;
  padding: 1.25rem;
}

.aside-card.muted,
.dimension-card,
.match-card,
.metric-card {
  background: rgba(255, 255, 255, 0.05);
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #ffd3a8;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 7vw, 5.1rem);
  line-height: 1.04;
  max-width: 10ch;
}

.hero-copy h1 span {
  color: #ffd589;
}

.hero-text,
.aside-card p,
.model-card p,
.result-desc,
.result-sub,
.dimension-card p,
.footer-note p,
.key-hint {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.72;
}

.hero-actions,
.metric-row,
.section-heading,
.progress-meta,
.quiz-header,
.question-meta,
.meta-row,
.result-copy,
.result-section,
.dimension-groups,
.dimension-group,
.dimension-grid,
.result-hero {
  display: grid;
}

.hero-actions {
  grid-auto-flow: column;
  gap: 0.75rem;
  width: fit-content;
  margin: 1.35rem 0 1.5rem;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.85rem 1.3rem;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible,
.option-btn:focus-visible {
  outline: 2px solid #ffd589;
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #ffb75c);
  color: #1a0d05;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(255, 115, 89, 0.18);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.14);
  color: #fff6ea;
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.btn-ghost {
  background: rgba(16, 13, 16, 0.82);
  color: #fff3e1;
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-secondary:hover,
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.metric-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.metric-card {
  border-radius: 22px;
  padding: 1rem;
}

.metric-card strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  color: #ffd589;
}

.metric-card span,
.aside-label,
.score-tag,
.match-card span,
.secondary-card span {
  color: var(--text-muted);
}

.plain-list {
  padding-left: 1rem;
  margin: 0;
  display: grid;
  gap: 0.55rem;
  color: var(--text-muted);
}

.model-section,
.result-section {
  margin-top: 1.25rem;
}

.section-heading {
  gap: 0.35rem;
  margin-bottom: 0.95rem;
}

.section-heading h2 {
  font-size: clamp(1.55rem, 3vw, 2.3rem);
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.9rem;
}

.model-card {
  position: relative;
  overflow: hidden;
  min-height: 200px;
}

.model-card::after {
  content: "";
  position: absolute;
  inset: auto -2rem -2rem auto;
  width: 7rem;
  height: 7rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 213, 137, 0.26), transparent 72%);
}

.model-index {
  display: inline-flex;
  margin-bottom: 1.15rem;
  font-size: 0.84rem;
  color: #ffd589;
}

.model-title {
  margin: 0.45rem 0 0.7rem;
  color: #fff1dc;
  font-weight: 700;
}

.footer-note {
  margin-top: 1.25rem;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.quiz-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.78fr);
  gap: 1rem;
}

.quiz-header {
  grid-column: 1 / -1;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
}

.progress-wrap {
  display: grid;
  gap: 0.5rem;
}

.progress-bar {
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.progress-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #ffd589);
}

.question-card {
  border-radius: 32px;
  padding: 2rem;
}

.question-card.special {
  background:
    linear-gradient(135deg, rgba(255, 160, 104, 0.12), rgba(255, 255, 255, 0.04)),
    var(--panel-strong);
}

.question-card h2 {
  margin: 1rem 0 1.5rem;
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  line-height: 1.35;
}

.meta-row {
  grid-auto-flow: column;
  gap: 0.55rem;
  width: fit-content;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.38rem 0.8rem;
  background: rgba(255, 213, 137, 0.14);
  color: #ffe3bf;
  font-size: 0.85rem;
}

.pill-soft {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-muted);
}

.option-list {
  display: grid;
  gap: 0.75rem;
}

.option-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #fff8ef;
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  width: 100%;
  border-radius: 24px;
  padding: 1rem 1.05rem;
  text-align: left;
}

.option-btn:hover,
.option-btn.active {
  background: rgba(255, 145, 112, 0.2);
  border-color: rgba(255, 145, 112, 0.56);
  box-shadow: inset 0 0 0 1px rgba(255, 202, 146, 0.12);
}

.option-index,
.match-rank,
.level-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  min-height: 2rem;
  border-radius: 999px;
  font-weight: 700;
}

.option-index {
  background: rgba(255, 255, 255, 0.16);
  color: #fff7eb;
}

.quiz-side {
  display: grid;
  gap: 1rem;
  align-self: start;
}

.model-list {
  list-style: none;
  padding: 0;
}

.model-list li {
  padding: 0.8rem 0.95rem;
  border-radius: 16px;
  border: 1px solid transparent;
}

.model-list li.active {
  background: rgba(255, 115, 89, 0.12);
  border-color: rgba(255, 145, 112, 0.34);
  color: #fff2de;
}

.key-hint {
  margin-top: 1rem;
  font-size: 0.92rem;
}

.result-shell {
  display: grid;
  gap: 1.2rem;
}

.result-hero {
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 1rem;
  border-radius: 36px;
  padding: 1.2rem;
  background:
    linear-gradient(135deg, var(--theme-accent-soft), rgba(255, 255, 255, 0.03)),
    var(--panel-strong);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.result-copy {
  gap: 0.9rem;
  align-content: start;
  padding: 1rem;
}

.result-copy h1 {
  font-size: clamp(2.2rem, 6vw, 4.25rem);
}

.result-copy h1 span {
  color: #ffe3b5;
}

.result-intro {
  margin: 0;
  font-size: 1.18rem;
  color: #fff4df;
}

.result-badge {
  margin: 0;
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  background: var(--theme-accent-soft);
  color: #fff1d8;
}

.result-figure {
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.result-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.secondary-card {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.match-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}

.match-card {
  display: grid;
  gap: 0.45rem;
}

.match-card.featured {
  border-color: rgba(255, 255, 255, 0.2);
  background: linear-gradient(180deg, var(--theme-accent-soft), rgba(255, 255, 255, 0.04));
}

.match-rank {
  width: fit-content;
  background: rgba(255, 255, 255, 0.07);
  color: #ffdca5;
}

.match-card strong {
  font-size: 1.95rem;
  color: #fff4df;
}

.dimension-groups {
  gap: 1rem;
}

.dimension-group {
  gap: 0.9rem;
}

.dimension-group h3 {
  font-size: 1.45rem;
}

.dimension-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.8rem;
}

.dimension-card {
  border-radius: 20px;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.dimension-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: start;
}

.level-badge {
  min-width: 2.3rem;
  min-height: 2.3rem;
}

.level-L {
  background: rgba(134, 199, 255, 0.12);
  color: #95d0ff;
}

.level-M {
  background: rgba(255, 214, 128, 0.14);
  color: #ffdd9e;
}

.level-H {
  background: rgba(255, 115, 89, 0.14);
  color: #ffb097;
}

.score-tag {
  display: inline-flex;
  margin: 0.8rem 0 0.7rem;
  font-size: 0.92rem;
}

.flash {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translate(-50%, 1rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  background: rgba(14, 13, 14, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff1dc;
  box-shadow: var(--shadow);
}

.flash.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@keyframes floatA {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-30px, 20px, 0);
  }
}

@keyframes floatB {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(20px, -24px, 0);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero-panel,
  .quiz-shell,
  .result-hero,
  .model-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    width: 100%;
  }

  .footer-note {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100vw - 1rem, 100%);
    padding: 1rem 0 2rem;
  }

  .hero-copy,
  .question-card,
  .result-hero {
    padding: 1.2rem;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }

  .metric-row {
    grid-template-columns: 1fr;
  }

  .meta-row {
    grid-auto-flow: row;
  }

  .question-card h2 {
    font-size: 1.55rem;
  }

  .option-btn {
    padding: 0.95rem;
    gap: 0.75rem;
  }

  .result-copy {
    padding: 0.25rem;
  }

  .result-figure {
    min-height: 360px;
  }

  .dimension-card {
    padding: 0.95rem;
  }

  .progress-meta {
    grid-template-columns: 1fr auto;
    font-size: 0.94rem;
  }
}