:root {
  --paper: #f4f0e8;
  --paper-2: #ebe5da;
  --ink: #101a2b;
  --navy: #142d50;
  --navy-deep: #0a1a30;
  --blue: #75a8d7;
  --blue-soft: #dce9f3;
  --coral: #ee8e72;
  --white: #fffdf9;
  --muted: #68707c;
  --line: rgba(16, 26, 43, .14);
  --radius: 28px;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: "Iowan Old Style", "Songti SC", STSong, Georgia, serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 8%, rgba(117, 168, 215, .2), transparent 28rem),
    var(--paper);
  font-family: var(--sans);
}

button, input, a { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 3px solid rgba(117, 168, 215, .55);
  outline-offset: 3px;
}

.intro-lead,
.question-help,
.result-intro p,
.consult-card p,
.responsible-use p,
.result-list li {
  text-wrap: pretty;
  word-break: auto-phrase;
  line-break: strict;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 650;
  text-wrap: balance;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.demo-nav {
  width: min(1180px, calc(100% - 48px));
  min-height: 84px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.demo-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}

.demo-brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px 12px 12px 3px;
  color: var(--white);
  background: var(--navy);
  font-weight: 900;
}

.demo-brand b,
.demo-brand small { display: block; }
.demo-brand b { font-size: 13px; letter-spacing: .14em; }
.demo-brand small { margin-top: 3px; color: var(--muted); font-size: 8px; letter-spacing: .14em; }
.demo-label { color: var(--muted); font-size: 11px; font-weight: 750; letter-spacing: .06em; }

.demo-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 54px 0 80px;
}

.intro-panel {
  min-height: calc(100vh - 240px);
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(430px, 1.08fr);
  gap: clamp(54px, 8vw, 112px);
  align-items: center;
}

.intro-copy { padding: 32px 0; }
.eyebrow {
  margin: 0 0 18px;
  color: #5d6f85;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .17em;
}

.intro-copy h1 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(38px, 4vw, 54px);
  line-height: 1.1;
  font-weight: 620;
  letter-spacing: -.04em;
}

.accent-line { display: block; color: var(--navy); }
.intro-lead {
  max-width: 580px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.7;
}

.intro-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 30px;
}

.intro-actions > span { max-width: 260px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.primary-button,
.secondary-button,
.text-button {
  border: 0;
  cursor: pointer;
  text-decoration: none;
}

.primary-button,
.secondary-button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .18s ease, box-shadow .18s ease;
}

.primary-button {
  color: var(--white);
  background: var(--navy);
  box-shadow: 0 16px 34px rgba(20, 45, 80, .18);
}
.primary-button:hover { transform: translateY(-2px); box-shadow: 0 20px 40px rgba(20, 45, 80, .23); }
.primary-button:disabled { opacity: .36; cursor: not-allowed; transform: none; box-shadow: none; }
.secondary-button { border: 1px solid var(--line); color: var(--ink); background: transparent; }
.text-button { padding: 7px 0; color: var(--muted); background: transparent; font-size: 13px; }
.text-button:hover { color: var(--ink); }

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 40px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  color: var(--muted);
  font-size: 12px;
}
.trust-list span { color: var(--navy); font-weight: 900; }

.intro-visual { min-width: 0; padding: 42px 0; }
.protection-orbit {
  position: relative;
  min-height: 480px;
  overflow: visible;
  border: 1px solid rgba(20, 45, 80, .1);
  border-radius: 50% 50% 44% 56% / 46% 42% 58% 54%;
  background:
    radial-gradient(circle at 50% 48%, rgba(117, 168, 215, .25), transparent 21%),
    linear-gradient(145deg, rgba(255,255,255,.82), rgba(220,233,243,.58));
  box-shadow: 0 28px 70px rgba(16, 26, 43, .1);
}

.orbit-ring {
  position: absolute;
  inset: 50% auto auto 50%;
  border: 1px solid rgba(20, 45, 80, .15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.orbit-ring-wide { width: 78%; aspect-ratio: 1; }
.orbit-ring-small { width: 47%; aspect-ratio: 1; border-style: dashed; }
.family-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 188px;
  aspect-ratio: 1;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--navy-deep);
  transform: translate(-50%, -50%);
  box-shadow: 0 22px 46px rgba(10, 26, 48, .28);
}
.family-core span { color: rgba(255,255,255,.68); font-size: 11px; }
.family-core strong { margin: 3px 0 -2px; color: var(--coral); font-size: 66px; line-height: 1; letter-spacing: -.06em; }
.family-core small { font-size: 11px; }
.orbit-card {
  position: absolute;
  width: 174px;
  padding: 19px 20px;
  display: grid;
  gap: 5px;
  border: 1px solid rgba(20, 45, 80, .13);
  border-radius: 19px;
  background: rgba(255,253,249,.93);
  box-shadow: 0 18px 40px rgba(16, 26, 43, .12);
}
.orbit-card span { color: var(--coral); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.orbit-card b { font-size: 16px; }
.orbit-card small { color: var(--muted); font-size: 11px; }
.orbit-card-home { left: 7%; top: 13%; transform: rotate(-3deg); }
.orbit-card-income { right: 6%; top: 25%; transform: rotate(3deg); }
.orbit-card-policy { left: 16%; bottom: 9%; transform: rotate(2deg); }

.quiz-panel,
.result-panel { width: min(940px, 100%); margin: 0 auto; }
.quiz-topline { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.progress-meta { display: flex; gap: 14px; color: var(--muted); font-size: 12px; }
.progress-meta b { color: var(--navy); }
.progress-track { height: 5px; margin-top: 16px; overflow: hidden; border-radius: 99px; background: rgba(20, 45, 80, .12); }
.progress-track span { display: block; width: 16.67%; height: 100%; border-radius: inherit; background: var(--navy); transition: width .35s ease; }

.question-card {
  min-height: 560px;
  padding: clamp(34px, 7vw, 70px);
  margin-top: 28px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 24px 65px rgba(16, 26, 43, .08);
}
.question-number { color: #acb5c0; font-size: 13px; font-weight: 900; letter-spacing: .14em; }
.question-card .eyebrow { margin: 28px 0 12px; }
.question-card h2 { max-width: 730px; margin: 0; font-size: clamp(30px, 3.8vw, 42px); line-height: 1.14; letter-spacing: -.025em; }
.question-help { max-width: 650px; margin: 18px 0 0; color: var(--muted); line-height: 1.75; }
.option-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 36px 0 0; padding: 0; border: 0; }
.option-card { position: relative; display: block; }
.option-card input { position: absolute; opacity: 0; pointer-events: none; }
.option-content {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 17px;
  color: #424b59;
  background: #fbf9f5;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.option-content::after { content: ""; width: 19px; height: 19px; flex: none; border: 1px solid #aab3be; border-radius: 50%; }
.option-content:hover { border-color: rgba(20, 45, 80, .45); transform: translateY(-1px); }
.option-card input:checked + .option-content { border-color: var(--navy); color: var(--ink); background: var(--blue-soft); }
.option-card input:checked + .option-content::after { border: 6px solid var(--navy); background: var(--coral); }
.option-card input:focus-visible + .option-content { outline: 3px solid rgba(117, 168, 215, .45); outline-offset: 3px; }
.quiz-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 34px; }

.result-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 52px;
  align-items: center;
  padding: clamp(32px, 7vw, 68px);
  border-radius: var(--radius);
  color: var(--white);
  background: var(--navy-deep);
}
.result-intro .eyebrow { color: rgba(255,255,255,.5); }
.result-stage-label { display: block; margin-bottom: 10px; color: rgba(255,255,255,.66); font-size: 13px; }
.result-intro h2 { margin: 0; color: #a9cee9; font-size: clamp(34px, 4.5vw, 48px); line-height: 1.1; letter-spacing: -.03em; }
.result-intro p:last-child { max-width: 610px; margin: 24px 0 0; color: rgba(255,255,255,.72); font-size: 16px; line-height: 1.8; }
.score-panel {
  padding: 23px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 22px;
  background: rgba(255,255,255,.06);
}
.score-panel > span { color: rgba(255,255,255,.58); font-size: 11px; }
.score-panel strong { display: block; margin: 12px 0 14px; line-height: 1; }
.score-panel strong b { font-size: 58px; letter-spacing: -.06em; }
.score-panel strong small { margin-left: 3px; color: var(--coral); font-size: 20px; }
.score-track { height: 6px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.13); }
.score-track i { display: block; width: 68%; height: 100%; border-radius: inherit; background: var(--coral); transition: width .5s ease; }
.score-panel em { display: block; margin-top: 10px; color: rgba(255,255,255,.45); font-size: 10px; font-style: normal; }

.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 14px; }
.result-card { min-height: 330px; padding: clamp(28px, 5vw, 44px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.result-card-dark { color: var(--white); background: var(--navy); }
.card-index { color: #8e9aab; font-size: 10px; font-weight: 850; letter-spacing: .14em; }
.result-card h3 { margin: 24px 0 28px; font-size: clamp(23px, 2.4vw, 29px); line-height: 1.14; letter-spacing: -.03em; }
.result-list { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
.result-list li { position: relative; padding-left: 30px; line-height: 1.6; }
.positive-list li { color: rgba(255,255,255,.72); }
.positive-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: #a9cee9; font-weight: 900; }
.action-list { counter-reset: action; }
.action-list li { counter-increment: action; color: #4c5664; }
.action-list li::before {
  content: counter(action);
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--navy);
  background: var(--blue-soft);
  font-size: 10px;
  font-weight: 900;
}

.consult-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 42px;
  align-items: center;
  margin-top: 14px;
  padding: clamp(30px, 5vw, 46px);
  border-radius: var(--radius);
  background: var(--blue-soft);
}
.consult-card h3 { max-width: 630px; margin: 0; font-size: clamp(26px, 3.2vw, 34px); line-height: 1.12; letter-spacing: -.035em; }
.consult-card p:last-child { max-width: 650px; margin: 17px 0 0; color: #536171; line-height: 1.7; }
.consult-actions { min-width: 220px; display: grid; gap: 10px; }
.consult-actions .text-button { justify-self: center; }
.responsible-use { max-width: 820px; margin: 24px auto 0; color: #737b86; text-align: center; }
.responsible-use strong { color: #59616d; font-size: 11px; letter-spacing: .08em; }
.responsible-use p { margin: 7px 0 0; font-size: 11px; line-height: 1.75; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 10; transform: translateX(-50%); padding: 12px 18px; border-radius: 999px; color: var(--white); background: var(--navy-deep); box-shadow: 0 12px 30px rgba(0,0,0,.18); font-size: 13px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

@media (max-width: 900px) {
  .intro-panel { grid-template-columns: 1fr; }
  .intro-copy { padding-bottom: 0; }
  .intro-visual { padding-top: 0; }
  .protection-orbit { min-height: 460px; }
  .result-hero { grid-template-columns: 1fr; }
  .score-panel { max-width: 280px; }
  .consult-card { grid-template-columns: 1fr; }
  .consult-actions { min-width: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .consult-actions .text-button { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .demo-nav, .demo-shell { width: min(100% - 28px, 1180px); }
  .demo-nav { min-height: 70px; }
  .demo-label { max-width: 120px; text-align: right; font-size: 9px; line-height: 1.45; }
  .demo-shell { padding: 30px 0 50px; }
  .intro-panel { min-height: 0; gap: 22px; }
  .intro-copy { padding-top: 16px; }
  .intro-copy h1 { font-size: clamp(34px, 10vw, 42px); }
  .intro-lead { font-size: 16px; line-height: 1.68; }
  .intro-actions { align-items: stretch; flex-direction: column; gap: 12px; }
  .intro-actions .primary-button { width: 100%; }
  .intro-actions > span { max-width: none; text-align: center; }
  .trust-list { display: grid; gap: 12px; }
  .intro-visual { padding-bottom: 0; }
  .protection-orbit { min-height: 340px; border-radius: 42px; }
  .orbit-ring-wide { width: 96%; }
  .orbit-ring-small { width: 62%; }
  .family-core { width: 146px; }
  .family-core strong { font-size: 52px; }
  .orbit-card { width: 142px; padding: 14px; }
  .orbit-card b { font-size: 14px; }
  .orbit-card small { font-size: 9px; }
  .orbit-card-home { left: 4%; top: 8%; }
  .orbit-card-income { right: 3%; top: 21%; }
  .orbit-card-policy { left: 7%; bottom: 7%; }
  .question-card { min-height: 0; padding: 30px 18px 22px; margin-top: 20px; border-radius: 22px; }
  .question-card .eyebrow { margin-top: 22px; }
  .question-card h2 { font-size: clamp(28px, 8vw, 34px); }
  .question-help { font-size: 14px; line-height: 1.65; }
  .option-grid { grid-template-columns: 1fr; gap: 9px; margin-top: 27px; }
  .option-content { min-height: 64px; padding: 15px 16px; border-radius: 14px; font-size: 14px; }
  .quiz-actions { margin-top: 24px; }
  .quiz-actions .primary-button { flex: 1; }
  .result-hero { gap: 28px; padding: 30px 22px; border-radius: 22px; }
  .result-intro h2 { font-size: 36px; }
  .result-intro p:last-child { font-size: 14px; line-height: 1.7; }
  .score-panel { width: 100%; max-width: none; }
  .result-grid { grid-template-columns: 1fr; }
  .result-card { min-height: 0; padding: 30px 22px; border-radius: 22px; }
  .consult-card { gap: 26px; padding: 30px 22px; border-radius: 22px; }
  .consult-card h3 { font-size: 30px; }
  .consult-card p:last-child { font-size: 14px; }
  .consult-actions { grid-template-columns: 1fr; }
  .consult-actions .text-button { grid-column: auto; }
  .responsible-use { text-align: left; }
}

@media (max-width: 370px) {
  .demo-brand small { display: none; }
  .demo-label { max-width: 98px; }
  .intro-copy h1 { font-size: 36px; }
  .protection-orbit { min-height: 320px; }
  .orbit-card { width: 132px; }
  .family-core { width: 132px; }
}