:root {
  --ink: #17211d;
  --muted: #5d6963;
  --line: #dce3df;
  --soft: #f1f5f2;
  --paper: #fbfcfb;
  --white: #ffffff;
  --accent: #c96f3b;
  --accent-dark: #9f4f25;
  --accent-soft: #f7e9df;
  --green: #315f4b;
  --green-dark: #204536;
  --danger: #a33a32;
  --shadow: 0 24px 70px rgba(32, 69, 54, 0.10);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(201, 111, 59, .07), transparent 28rem),
    var(--paper);
  color: var(--ink);
  line-height: 1.65;
}

button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
.nowrap { white-space: nowrap; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px clamp(20px, 4vw, 64px);
  border-bottom: 1px solid rgba(220, 227, 223, .8);
  background: rgba(251, 252, 251, .92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 16px;
  height: 16px;
  border: 4px solid var(--accent);
  border-radius: 50%;
  box-shadow: 8px 0 0 -4px var(--green);
}

.site-nav { display: flex; gap: 6px; }
.site-nav a {
  padding: 8px 13px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.site-nav a:hover, .site-nav a.active {
  background: var(--soft);
  color: var(--green-dark);
}

main { min-height: calc(100vh - 170px); }
.view { width: min(1240px, calc(100% - 40px)); margin: 0 auto; }

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr);
  gap: clamp(40px, 7vw, 110px);
  align-items: center;
  min-height: 570px;
  padding: clamp(70px, 10vw, 130px) 0 72px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
}

.hero-copy h1, .tool-heading h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.08;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.hero-intro {
  max-width: 620px;
  margin: 28px 0 24px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.75;
  text-wrap: pretty;
}

.privacy-note {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin: 0;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}
.privacy-note svg {
  width: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 390px;
  margin-left: auto;
  border-radius: 50%;
  background: var(--green-dark);
  color: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.visual-ring {
  position: absolute;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
}
.ring-one { inset: 13%; }
.ring-two { inset: 27%; }
.visual-number {
  position: relative;
  z-index: 2;
  font-family: Georgia, serif;
  font-size: clamp(72px, 10vw, 122px);
  line-height: 1;
}
.visual-caption {
  position: absolute;
  z-index: 2;
  bottom: 22%;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  letter-spacing: .16em;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding-bottom: 22px;
}

.tool-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  min-height: 310px;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 40px rgba(23, 33, 29, .04);
  text-decoration: none;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.tool-card:hover {
  border-color: rgba(201, 111, 59, .55);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.tool-card:focus-visible { outline: 3px solid rgba(201,111,59,.35); outline-offset: 4px; }
.tool-index {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .15em;
}
.tool-icon {
  display: grid;
  grid-column: 1 / -1;
  place-items: center;
  width: 62px;
  height: 62px;
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent-dark);
}
.tool-icon svg { width: 36px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.tool-card-copy { grid-column: 1 / -1; }
.tool-card-copy strong { display: block; margin-bottom: 10px; font-size: clamp(21px, 2.5vw, 28px); line-height: 1.3; }
.tool-card-copy > span { display: block; max-width: 480px; color: var(--muted); font-size: 16px; text-wrap: pretty; }
.card-action { align-self: end; color: var(--green); font-size: 14px; font-weight: 900; }

.future-card {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
  margin: 0 0 100px;
  padding: 22px 28px;
  border: 1px dashed #cbd6d0;
  border-radius: 16px;
  color: var(--muted);
  text-align: center;
}
.future-card p { margin: 0; }
.future-label { padding: 5px 10px; border-radius: 999px; background: var(--soft); color: var(--green-dark); font-size: 12px; font-weight: 900; white-space: nowrap; }

.tool-view { padding: 58px 0 100px; }
.tool-heading { max-width: 850px; margin-bottom: 44px; }
.tool-heading h1 { font-size: clamp(38px, 5.2vw, 66px); }
.tool-heading > p:last-child { max-width: 680px; margin: 20px 0 0; color: var(--muted); font-size: 18px; text-wrap: pretty; }
.back-link { display: inline-block; margin-bottom: 42px; color: var(--green); font-size: 14px; font-weight: 800; text-decoration: none; }
.back-link:hover { text-decoration: underline; }

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, .7fr);
  gap: 24px;
  align-items: start;
}
.calculator-panel, .result-panel, .job-form, .job-result {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 14px 45px rgba(23,33,29,.05);
}
.calculator-panel { padding: clamp(24px, 4vw, 44px); }
.form-section { padding: 0 0 38px; }
.form-section + .form-section { padding-top: 38px; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 34px 1fr; gap: 14px; margin-bottom: 24px; }
.section-heading > span { color: var(--accent-dark); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.section-heading h2 { margin: 0 0 4px; font-size: 21px; }
.section-heading p { margin: 0; color: var(--muted); font-size: 14px; text-wrap: pretty; }

.field-grid { display: grid; gap: 18px; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field-wide { grid-column: span 2; }
.field { display: grid; gap: 8px; color: var(--ink); font-size: 14px; font-weight: 750; }
.field small { color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.6; }
.input-with-unit { display: flex; align-items: center; overflow: hidden; border: 1px solid #cfd8d3; border-radius: 12px; background: var(--paper); transition: border-color .2s ease, box-shadow .2s ease; }
.input-with-unit:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201,111,59,.13); }
.input-with-unit input { width: 100%; min-width: 0; padding: 13px 14px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 16px; }
.input-with-unit em { padding: 0 13px 0 7px; color: var(--muted); font-size: 12px; font-style: normal; white-space: nowrap; }
.input-with-unit input::placeholder { color: #9ba6a0; }

.form-actions { display: flex; gap: 14px; align-items: center; padding-top: 4px; }
.primary-button, .text-button, .move-button, .choice-button, .print-button {
  border: 0;
  cursor: pointer;
}
.primary-button {
  padding: 14px 22px;
  border-radius: 12px;
  background: var(--green-dark);
  color: var(--white);
  font-weight: 850;
  box-shadow: 0 10px 24px rgba(32,69,54,.17);
}
.primary-button:hover { background: var(--green); }
.text-button { padding: 12px 8px; background: transparent; color: var(--muted); font-weight: 750; }
.text-button:hover { color: var(--ink); }
.form-error { margin: 0 0 18px; padding: 12px 14px; border-left: 4px solid var(--danger); border-radius: 8px; background: #fff0ee; color: #7c2923; font-size: 14px; }

.result-panel { position: sticky; top: 92px; min-height: 420px; padding: 30px; overflow: hidden; }
.empty-result { display: grid; place-items: center; min-height: 350px; text-align: center; }
.result-symbol { color: var(--accent); font-family: Georgia, serif; font-size: 82px; line-height: 1; }
.empty-result h2 { margin: 12px 0 8px; font-size: 21px; }
.empty-result p { max-width: 310px; margin: 0; color: var(--muted); font-size: 14px; text-wrap: pretty; }
.result-kicker { margin: 0 0 8px; color: var(--accent-dark); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.total-number { margin: 0 0 4px; color: var(--green-dark); font-family: Georgia, "Times New Roman", serif; font-size: clamp(42px, 5vw, 64px); line-height: 1; letter-spacing: -.04em; }
.total-number small { font-family: inherit; font-size: 18px; letter-spacing: 0; }
.result-caption { margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.breakdown { display: grid; gap: 9px; margin: 22px 0; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.breakdown-row { display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: 14px; }
.breakdown-row strong { color: var(--ink); white-space: nowrap; }
.retirement-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.retirement-card { padding: 14px; border-radius: 13px; background: var(--soft); }
.retirement-card span { display: block; color: var(--muted); font-size: 12px; }
.retirement-card strong { display: block; margin-top: 4px; color: var(--green-dark); font-size: 19px; line-height: 1.25; }
.retirement-card small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.result-footnote { margin: 18px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; text-wrap: pretty; }

.formula-note { margin-top: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.formula-note summary { padding: 18px 22px; cursor: pointer; color: var(--green-dark); font-weight: 850; }
.formula-note div { padding: 0 22px 20px; color: var(--muted); font-size: 14px; }
.formula-note p { margin: 0 0 8px; text-wrap: pretty; }

.job-form { padding: clamp(22px, 4vw, 42px); }
.job-instruction { display: flex; gap: 20px; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.job-instruction strong { font-size: 19px; }
.job-instruction p { margin: 4px 0 0; color: var(--muted); font-size: 14px; text-wrap: pretty; }
.progress-pill { padding: 8px 13px; border-radius: 999px; background: var(--soft); color: var(--green-dark); font-size: 13px; font-weight: 800; white-space: nowrap; }
.expectation-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; counter-reset: expectation; }
.expectation-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--paper);
}
.rank-number { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--green-dark); color: var(--white); font-size: 14px; font-weight: 900; }
.expectation-copy h3 { margin: 0 0 4px; font-size: 17px; }
.expectation-copy p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; text-wrap: pretty; }
.move-controls { display: flex; gap: 5px; }
.move-button { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid var(--line); border-radius: 9px; background: var(--white); color: var(--green-dark); font-weight: 900; }
.move-button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent-dark); }
.move-button:disabled { opacity: .3; cursor: default; }
.fulfillment { min-width: 170px; }
.fulfillment > span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 11px; font-weight: 800; text-align: center; }
.choice-group { display: grid; grid-template-columns: repeat(2, 1fr); padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); }
.choice-button { padding: 7px 11px; border-radius: 7px; background: transparent; color: var(--muted); font-size: 13px; font-weight: 800; }
.choice-button.selected[data-value="yes"] { background: #dfeee7; color: var(--green-dark); }
.choice-button.selected[data-value="no"] { background: #f8e2dc; color: #863822; }
.centered-actions { justify-content: center; padding-top: 28px; }

.job-result { margin-top: 24px; padding: clamp(26px, 5vw, 50px); }
.job-result-header { max-width: 720px; margin-bottom: 30px; }
.job-result-header h2 { margin: 0 0 10px; font-size: clamp(28px, 4vw, 40px); line-height: 1.25; }
.job-result-header p { margin: 0; color: var(--muted); text-wrap: pretty; }
.result-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.analysis-card { padding: 24px; border-radius: 16px; background: var(--soft); }
.analysis-card.alert { background: var(--accent-soft); }
.analysis-card h3 { margin: 0 0 14px; font-size: 18px; }
.analysis-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.analysis-list li { display: grid; grid-template-columns: 30px 1fr; gap: 10px; align-items: start; }
.analysis-list b { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--white); color: var(--green-dark); font-size: 12px; }
.analysis-list strong { display: block; font-size: 15px; }
.analysis-list span { display: block; color: var(--muted); font-size: 12px; }
.analysis-empty { color: var(--green-dark); font-weight: 750; }

.site-footer {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 26px clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.site-footer p { margin: 0; }

[hidden] { display: none !important; }

@media (max-width: 980px) {
  .hero-shell { grid-template-columns: 1fr; min-height: 0; padding-top: 80px; }
  .hero-visual { display: none; }
  .calculator-layout { grid-template-columns: 1fr; }
  .result-panel { position: static; min-height: 0; }
  .three-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .expectation-item { grid-template-columns: 48px minmax(0, 1fr) auto; }
  .fulfillment { grid-column: 2 / -1; }
}

@media (max-width: 760px) {
  .site-header { align-items: flex-start; padding: 13px 18px; }
  .brand { padding-top: 6px; }
  .site-nav { max-width: 62%; overflow-x: auto; padding-bottom: 3px; }
  .site-nav a { font-size: 12px; white-space: nowrap; }
  .site-nav a:not(.active) { display: none; }
  .view { width: min(100% - 28px, 1240px); }
  .hero-shell { padding: 66px 0 48px; }
  .hero-copy h1 { font-size: clamp(39px, 12vw, 58px); }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card { min-height: 280px; }
  .future-card { align-items: flex-start; flex-direction: column; text-align: left; }
  .tool-view { padding-top: 36px; }
  .back-link { margin-bottom: 30px; }
  .two-columns, .three-columns { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .job-instruction { align-items: flex-start; flex-direction: column; }
  .expectation-item { grid-template-columns: 42px 1fr; gap: 12px; }
  .rank-number { width: 38px; height: 38px; }
  .move-controls { grid-column: 1; }
  .fulfillment { grid-column: 2; min-width: 0; }
  .fulfillment > span { text-align: left; }
  .result-columns { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; gap: 6px; }
}

@media (max-width: 430px) {
  .brand span:last-child { font-size: 13px; }
  .site-nav { max-width: 50%; }
  .privacy-note { align-items: flex-start; }
  .calculator-panel, .result-panel, .job-form, .job-result { border-radius: 17px; }
  .calculator-panel { padding: 20px; }
  .section-heading { grid-template-columns: 1fr; }
  .form-actions { align-items: stretch; flex-direction: column; }
  .text-button { text-align: center; }
  .retirement-grid { grid-template-columns: 1fr; }
  .expectation-item { padding: 15px; }
  .expectation-copy { grid-column: 2; }
  .move-controls { grid-column: 1; grid-row: 2; flex-direction: column; }
  .fulfillment { grid-column: 2; }
  .centered-actions { align-items: stretch; }
}

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

@media print {
  .site-header, .site-footer, .back-link, .form-actions, .formula-note { display: none !important; }
  body { background: #fff; }
  .view { width: 100%; }
  .calculator-layout { display: block; }
  .calculator-panel { display: none; }
  .result-panel, .job-result { border: 0; box-shadow: none; }
}