:root {
  --primary: #195eb4;
  --primary-deep: #124985;
  --primary-soft: #eaf2ff;
  --accent: #f48a42;
  --accent-soft: #fff1e7;
  --green: #18795d;
  --green-soft: #e9f7f1;
  --purple: #7057b8;
  --purple-soft: #f1edff;
  --ink: #202631;
  --text: #3b4350;
  --muted: #737d8b;
  --line: #e5e9ef;
  --surface: #ffffff;
  --background: #fbfaf7;
  --shadow: 0 16px 48px rgba(28, 45, 70, 0.09);
  --shadow-soft: 0 8px 24px rgba(28, 45, 70, 0.07);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 11px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 8%, rgba(53, 132, 228, 0.08), transparent 24rem),
    radial-gradient(circle at 92% 18%, rgba(244, 138, 66, 0.08), transparent 22rem),
    var(--background);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.6;
}

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 64px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(251, 250, 247, 0.9);
  border-bottom: 1px solid rgba(214, 220, 229, 0.8);
  backdrop-filter: blur(16px);
}

.nav-brand {
  color: var(--primary);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

.nav-brand span {
  margin-right: 7px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}

.nav-actions a {
  color: var(--muted);
  text-decoration: none;
}

.nav-actions a:hover {
  color: var(--primary);
}

.demo-chip {
  padding: 5px 10px;
  color: #9c4c1c;
  background: var(--accent-soft);
  border: 1px solid #ffd7bd;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 390px;
  margin: 30px 0 20px;
  padding: 58px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  align-items: center;
  overflow: hidden;
  color: white;
  background:
    linear-gradient(132deg, rgba(255, 255, 255, 0.08), transparent 55%),
    linear-gradient(135deg, #164f96 0%, #1a66bd 55%, #2c77c7 100%);
  border-radius: 30px;
  box-shadow: 0 24px 70px rgba(20, 79, 150, 0.24);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero::before {
  width: 360px;
  height: 360px;
  right: -95px;
  top: -160px;
}

.hero::after {
  width: 230px;
  height: 230px;
  left: 47%;
  bottom: -185px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin-bottom: 16px;
  color: #cfe4ff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 690px;
  margin: 0 0 18px;
  font-size: clamp(34px, 4.2vw, 55px);
  line-height: 1.13;
  letter-spacing: -0.035em;
}

.hero p {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
}

.hero-points {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-points span {
  padding: 7px 12px;
  color: #eff7ff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  z-index: 2;
  height: 250px;
}

.paper {
  position: absolute;
  width: 245px;
  height: 210px;
  padding: 25px;
  color: var(--ink);
  background: white;
  border-radius: 20px;
  box-shadow: 0 24px 50px rgba(6, 31, 63, 0.25);
}

.paper-back {
  top: 22px;
  right: 15px;
  opacity: 0.24;
  transform: rotate(8deg);
}

.paper-front {
  top: 10px;
  right: 38px;
  transform: rotate(-3deg);
}

.paper-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.paper-amount {
  margin: 8px 0 22px;
  color: var(--primary-deep);
  font-size: 25px;
  font-weight: 900;
}

.paper-line {
  display: flex;
  justify-content: space-between;
  margin: 12px 0;
}

.paper-line span,
.paper-line strong {
  height: 7px;
  display: block;
  background: #e8edf3;
  border-radius: 10px;
}

.paper-line span {
  width: 52px;
}

.paper-line strong {
  width: 92px;
}

.paper-line.short strong {
  width: 66px;
}

.paper-ok {
  margin-top: 22px;
  padding: 8px 10px;
  color: var(--green);
  background: var(--green-soft);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 800;
  text-align: center;
}

.scope-notice {
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  color: #7b511f;
  background: #fff8df;
  border: 1px solid #f1dda3;
  border-radius: var(--radius-md);
}

.notice-icon {
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: white;
  background: #c89031;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 900;
}

.scope-notice strong {
  color: #69400e;
}

.scope-notice p {
  margin: 2px 0 0;
  font-size: 13px;
}

.module-section {
  padding: 70px 0 28px;
}

.section-heading {
  margin-bottom: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}

.section-heading h2,
.sidebar-heading h2,
.roadmap h2 {
  margin: 3px 0 0;
  color: var(--ink);
  font-size: 25px;
  letter-spacing: -0.02em;
}

.section-heading p {
  max-width: 440px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  text-align: right;
}

.section-kicker {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px;
}

.module-card {
  position: relative;
  min-height: 188px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.module-card:hover {
  transform: translateY(-3px);
  border-color: #b7cef0;
  box-shadow: var(--shadow);
}

.module-card.active {
  border: 2px solid var(--module-color, var(--primary));
  box-shadow: 0 15px 35px color-mix(in srgb, var(--module-color, var(--primary)) 15%, transparent);
}

.module-icon {
  width: 45px;
  height: 45px;
  display: grid;
  place-items: center;
  background: var(--module-soft, var(--primary-soft));
  border-radius: 13px;
  font-size: 22px;
}

.module-card h3 {
  margin: 17px 0 4px;
  color: var(--ink);
  font-size: 17px;
}

.module-card p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.module-count {
  margin-top: auto;
  padding-top: 13px;
  color: var(--module-color, var(--primary));
  font-size: 12px;
  font-weight: 800;
}

.workspace {
  margin: 24px 0 70px;
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.calculator-sidebar,
.calculator-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.calculator-sidebar {
  position: sticky;
  top: 82px;
  overflow: hidden;
}

.sidebar-heading {
  padding: 22px 22px 17px;
  border-bottom: 1px solid var(--line);
}

.sidebar-heading h2 {
  font-size: 18px;
}

.calculator-list {
  padding: 9px;
}

.calculator-item {
  width: 100%;
  padding: 13px 12px;
  display: grid;
  grid-template-columns: 34px 1fr 18px;
  align-items: center;
  gap: 9px;
  color: var(--text);
  background: transparent;
  border: 0;
  border-radius: 11px;
  cursor: pointer;
  text-align: left;
}

.calculator-item:hover {
  background: #f7f9fc;
}

.calculator-item.active {
  color: var(--primary-deep);
  background: var(--primary-soft);
}

.calculator-item-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: white;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 15px;
}

.calculator-item strong {
  font-size: 13px;
  line-height: 1.35;
}

.calculator-item-arrow {
  color: #a4acb8;
  font-size: 18px;
}

.calculator-panel {
  min-height: 620px;
  padding: 30px;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
}

.panel-category {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.panel-header h2 {
  margin: 4px 0 7px;
  color: var(--ink);
  font-size: 27px;
  letter-spacing: -0.025em;
}

.panel-header p {
  max-width: 690px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.status-badge {
  flex: 0 0 auto;
  padding: 6px 10px;
  color: var(--green);
  background: var(--green-soft);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.panel-scope {
  margin: 22px 0 25px;
  padding: 12px 15px;
  color: #42516a;
  background: #f4f7fb;
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  font-size: 13px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.wage-mode-panel {
  grid-column: 1 / -1;
}

.conditional-panel {
  grid-column: 1 / -1;
}

.wage-mode-panel[hidden],
.wage-month-row[hidden],
.conditional-panel[hidden] {
  display: none;
}

.medical-detail-panel {
  padding: 16px;
  background: #f8fafc;
  border: 1px solid #dce4ee;
  border-radius: var(--radius-sm);
}

.sick-leave-panel {
  padding-top: 4px;
}

.sick-leave-rows {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.sick-leave-row {
  padding: 14px;
  background: #fff;
  border: 1px solid #dce4ee;
  border-radius: var(--radius-sm);
}

.sick-leave-row-head {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sick-leave-row-head strong {
  color: #25364d;
  font-size: 13px;
}

.sick-leave-remove {
  padding: 3px 8px;
  color: #a44242;
  background: #fff7f7;
  border: 1px solid #eccaca;
  border-radius: 7px;
  font-size: 12px;
  cursor: pointer;
}

.sick-leave-add {
  margin-top: 12px;
}

.sick-leave-help {
  margin-top: 8px;
  display: block;
  color: var(--muted);
  line-height: 1.55;
}

.retirement-category-note {
  grid-column: 1 / -1;
  margin-top: -4px;
  padding: 12px 14px;
  display: grid;
  gap: 3px;
  color: #5b4b25;
  background: #fff9e8;
  border: 1px solid #eadba8;
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.6;
}

.retirement-category-note strong {
  color: #403513;
  font-size: 13px;
}

.wage-guide {
  margin-bottom: 18px;
  padding: 13px 15px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: #35445b;
  background: #eef5ff;
  border: 1px solid #d5e5fb;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.wage-guide strong {
  color: var(--primary-deep);
  font-size: 13px;
}

.wage-period-grid {
  margin-bottom: 18px;
}

.wage-month-list {
  display: grid;
  gap: 10px;
}

.wage-month-row {
  min-width: 0;
  margin: 0;
  padding: 13px 14px 14px;
  background: #fbfcfe;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.wage-month-row legend {
  padding: 0 6px;
  color: #4b5870;
  font-size: 11px;
  font-weight: 800;
}

.wage-month-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.wage-month-field {
  min-width: 0;
}

.wage-month-field span {
  min-height: 30px;
  margin-bottom: 5px;
  display: flex;
  align-items: flex-end;
  color: #58647a;
  font-size: 11px;
  font-weight: 700;
}

.wage-month-field input {
  width: 100%;
  height: 40px;
  padding: 0 10px;
  color: var(--ink);
  background: white;
  border: 1.5px solid #d9dee7;
  border-radius: 8px;
  outline: none;
}

.wage-month-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(25, 94, 180, 0.1);
}

.wage-adjustment-grid {
  margin-top: 18px;
}

.field {
  min-width: 0;
}

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

.field label,
.field-label {
  margin-bottom: 7px;
  display: block;
  color: #313947;
  font-size: 13px;
  font-weight: 700;
}

.required {
  margin-left: 3px;
  color: #d65746;
}

.field input,
.field select {
  width: 100%;
  height: 44px;
  padding: 0 13px;
  color: var(--ink);
  background: white;
  border: 1.5px solid #d9dee7;
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus,
.field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(25, 94, 180, 0.1);
}

.field small {
  margin-top: 5px;
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.check-field {
  min-height: 48px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  background: #fafbfc;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.check-field input {
  width: 17px;
  height: 17px;
  margin: 2px 0 0;
  accent-color: var(--primary);
}

.check-field label {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
}

.form-error {
  margin: 14px 0 0;
  padding: 10px 12px;
  color: #a83a2d;
  background: #fff0ed;
  border-radius: 9px;
  font-size: 12px;
}

.form-actions {
  margin-top: 28px;
  padding-top: 22px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border-top: 1px solid var(--line);
}

.button {
  min-height: 43px;
  padding: 0 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

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

.button-primary {
  color: white;
  background: var(--primary);
  border: 1px solid var(--primary);
}

.button-primary:hover {
  background: var(--primary-deep);
}

.button-primary span {
  margin-left: 8px;
}

.button-secondary {
  color: var(--text);
  background: white;
  border: 1px solid #d7dce5;
}

.result-panel {
  margin-top: 26px;
  padding: 24px;
  background: linear-gradient(180deg, #f7fbff 0%, #fff 100%);
  border: 1px solid #cfe1f7;
  border-radius: var(--radius-md);
}

.result-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.result-heading h3 {
  margin: 2px 0 0;
  color: var(--ink);
  font-size: 18px;
}

.result-status {
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
}

.result-close {
  width: 30px;
  height: 30px;
  color: var(--muted);
  background: white;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}

.result-metric {
  margin: 20px 0;
  padding: 19px;
  background: white;
  border: 1px solid #deebf8;
  border-radius: 13px;
}

.result-metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.result-metric strong {
  margin-top: 4px;
  display: block;
  color: var(--primary-deep);
  font-size: clamp(25px, 4vw, 35px);
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.breakdown {
  display: grid;
  gap: 8px;
}

.breakdown-row {
  padding: 9px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px dashed #dce3ec;
  font-size: 12px;
}

.breakdown-row span {
  color: var(--muted);
}

.breakdown-row strong {
  color: #303a48;
  text-align: right;
}

.result-notes {
  margin-top: 16px;
  display: grid;
  gap: 7px;
}

.result-note {
  padding-left: 16px;
  position: relative;
  color: #626d7b;
  font-size: 11px;
}

.result-note::before {
  content: "•";
  position: absolute;
  left: 3px;
  color: var(--accent);
}

.source-link {
  margin-top: 18px;
  display: inline-block;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.result-export {
  margin-top: 20px;
  padding: 17px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  background: #f8fafc;
  border: 1px solid #dde5ef;
  border-radius: 12px;
}

.result-export[hidden] {
  display: none;
}

.result-export strong,
.result-export span {
  display: block;
}

.result-export strong {
  color: var(--ink);
  font-size: 13px;
}

.result-export span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.result-export-actions {
  display: flex;
  gap: 8px;
}

.result-export-actions .button {
  min-height: 39px;
  padding: 0 13px;
  font-size: 12px;
}

.export-message {
  min-height: 0;
  margin: 0;
  grid-column: 1 / -1;
  color: var(--green);
  font-size: 11px;
}

.roadmap {
  margin-bottom: 70px;
  padding: 32px;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 45px;
  color: white;
  background: #202d40;
  border-radius: var(--radius-lg);
}

.roadmap .section-kicker {
  color: #91bff6;
}

.roadmap h2 {
  color: white;
}

.roadmap ol {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  list-style: none;
  counter-reset: steps;
}

.roadmap li {
  padding: 18px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 13px;
  counter-increment: steps;
}

.roadmap li::before {
  content: "0" counter(steps);
  color: #8fbdf2;
  font-size: 11px;
  font-weight: 900;
}

.roadmap li strong,
.roadmap li span {
  display: block;
}

.roadmap li strong {
  margin: 10px 0 5px;
  font-size: 14px;
}

.roadmap li span {
  color: #b8c3d2;
  font-size: 11px;
}

footer {
  min-height: 100px;
  padding: 28px;
  color: #9da9b8;
  background: #182333;
  text-align: center;
  font-size: 12px;
}

footer span {
  color: white;
  font-size: 15px;
  font-weight: 800;
}

footer p {
  margin: 5px 0 0;
}

body.disclaimer-open {
  overflow: hidden;
}

.disclaimer-gate {
  position: fixed;
  z-index: 100;
  inset: 0;
  padding: 28px 18px;
  display: grid;
  place-items: center;
  background: rgba(19, 31, 48, 0.72);
  backdrop-filter: blur(8px);
}

.disclaimer-gate[hidden] {
  display: none;
}

.disclaimer-card {
  width: min(720px, 100%);
  max-height: calc(100vh - 56px);
  padding: 30px;
  overflow-y: auto;
  background: white;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 20px;
  box-shadow: 0 28px 80px rgba(8, 20, 36, 0.3);
}

.disclaimer-step {
  display: inline-flex;
  padding: 5px 9px;
  color: var(--primary-deep);
  background: var(--primary-soft);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.disclaimer-card h2 {
  margin: 14px 0 7px;
  color: var(--ink);
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.25;
}

.disclaimer-intro {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.disclaimer-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  list-style: none;
  counter-reset: disclaimer;
}

.disclaimer-list li {
  padding: 12px 13px 12px 42px;
  position: relative;
  background: #f8fafc;
  border: 1px solid #e8edf3;
  border-radius: 11px;
  counter-increment: disclaimer;
}

.disclaimer-list li::before {
  content: counter(disclaimer);
  position: absolute;
  top: 13px;
  left: 13px;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  color: white;
  background: var(--primary);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 800;
}

.disclaimer-list strong,
.disclaimer-list span {
  display: block;
}

.disclaimer-list strong {
  color: #2e3948;
  font-size: 12px;
}

.disclaimer-list span {
  margin-top: 2px;
  color: #687384;
  font-size: 11px;
}

.disclaimer-warning {
  margin-top: 16px;
  padding: 11px 13px;
  color: #805223;
  background: #fff7e9;
  border-left: 3px solid var(--accent);
  border-radius: 9px;
  font-size: 11px;
}

.disclaimer-check {
  margin-top: 17px;
  padding: 13px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #374356;
  background: white;
  border: 1px solid #dce3ec;
  border-radius: 11px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.disclaimer-check input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  flex: 0 0 auto;
  accent-color: var(--primary);
}

.disclaimer-error {
  min-height: 17px;
  margin: 7px 0 0;
  color: #a83a2d;
  font-size: 11px;
}

.disclaimer-enter {
  width: 100%;
}

.button:disabled {
  color: #9ca6b3;
  background: #edf0f4;
  border-color: #e1e5ea;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr 240px;
    padding: 48px 42px;
  }

  .paper {
    width: 220px;
  }

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

  .roadmap {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

@media (max-width: 760px) {
  main {
    width: min(100% - 24px, 1180px);
  }

  .nav {
    padding: 0 16px;
  }

  .demo-chip {
    display: none;
  }

  .hero {
    min-height: auto;
    margin-top: 14px;
    padding: 38px 25px;
    grid-template-columns: 1fr;
    border-radius: 22px;
  }

  .hero h1 {
    font-size: 35px;
  }

  .hero p {
    font-size: 15px;
  }

  .hero-visual {
    display: none;
  }

  .scope-notice {
    padding: 14px;
  }

  .module-section {
    padding-top: 50px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .section-heading p {
    text-align: left;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .calculator-sidebar {
    position: static;
  }

  .calculator-list {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .calculator-item {
    min-width: 210px;
    scroll-snap-align: start;
  }

  .calculator-panel {
    min-height: 0;
    padding: 22px 17px;
  }

  .panel-header {
    flex-direction: column;
    gap: 12px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

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

  .field.full {
    grid-column: auto;
  }

  .result-export {
    grid-template-columns: 1fr;
  }

  .result-export-actions,
  .export-message {
    grid-column: auto;
  }

  .roadmap {
    padding: 25px 20px;
  }

  .roadmap ol {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .module-grid {
    grid-template-columns: 1fr;
  }

  .module-card {
    min-height: 158px;
  }

  .form-actions {
    flex-direction: column-reverse;
  }

  .button {
    width: 100%;
  }

  .result-export-actions {
    flex-direction: column;
  }

  .disclaimer-gate {
    padding: 12px;
  }

  .disclaimer-card {
    max-height: calc(100vh - 24px);
    padding: 22px 17px;
    border-radius: 16px;
  }

  .breakdown-row {
    flex-direction: column;
    gap: 2px;
  }

  .breakdown-row strong {
    text-align: left;
  }
}

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

/* ── 正式站点视觉整合（v0.8.4） ─────────────────────── */
:root {
  --primary: #1a5fb4;
  --primary-deep: #144c8f;
  --primary-soft: #eef4ff;
  --accent: #ff8c42;
  --accent-soft: #fff2e8;
  --ink: #2e2e2e;
  --text: #4b5563;
  --muted: #6b7280;
  --line: #e3e7ed;
  --surface: #ffffff;
  --background: #fffbf7;
  --shadow: 0 4px 20px rgba(20, 41, 72, 0.08);
  --shadow-soft: 0 2px 12px rgba(20, 41, 72, 0.06);
  --radius-lg: 18px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

body {
  color: var(--text);
  background: var(--background);
  font-size: 16px;
}

.nav {
  position: sticky;
  min-height: 68px;
  padding: 0;
  display: block;
  background: rgba(255, 251, 247, 0.96);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(12px);
}

.nav-inner {
  width: min(1320px, calc(100% - 48px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.nav-brand {
  flex: 0 0 auto;
  font-size: 19px;
  font-weight: 750;
}

.nav-actions {
  gap: 25px;
  font-size: 15px;
}

.nav-actions a {
  position: relative;
  padding: 21px 0 20px;
  color: #606771;
  white-space: nowrap;
}

.nav-actions a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 14px;
  left: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 999px;
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.nav-actions a:hover::after,
.nav-actions a.nav-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-actions a.nav-active {
  color: var(--primary);
  font-weight: 700;
}

.tool-hero {
  background: linear-gradient(180deg, #edf4ff 0%, #f7f9fd 72%, var(--background) 100%);
  border-bottom: 1px solid rgba(26, 95, 180, 0.04);
}

.tool-hero-inner {
  width: min(1320px, calc(100% - 48px));
  min-height: 360px;
  margin: 0 auto;
  padding: 64px 0 70px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  align-items: center;
  gap: 76px;
}

.hero-copy {
  max-width: 780px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.tool-hero h1 {
  margin: 0 0 18px;
  color: var(--primary);
  font-size: clamp(38px, 4.4vw, 58px);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.tool-hero .hero-copy > p {
  max-width: 720px;
  margin: 0;
  color: #55616f;
  font-size: 18px;
  line-height: 1.85;
}

.hero-points {
  margin-top: 27px;
  gap: 10px;
}

.hero-points span {
  padding: 8px 13px;
  color: #31577f;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #d4e2f4;
  font-size: 13px;
  font-weight: 700;
}

.hero-summary {
  padding: 28px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(26, 95, 180, 0.13);
  border-radius: 18px;
  box-shadow: 0 12px 34px rgba(26, 95, 180, 0.1);
}

.summary-label {
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
}

.summary-metrics {
  margin: 20px 0 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.summary-metrics div {
  min-width: 0;
}

.summary-metrics div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.summary-metrics strong,
.summary-metrics span {
  display: block;
}

.summary-metrics strong {
  color: var(--primary);
  font-size: 40px;
  font-weight: 850;
  line-height: 1;
}

.summary-metrics span {
  margin-top: 7px;
  color: #626b77;
  font-size: 13px;
}

.hero-summary > p {
  margin: 0;
  padding-top: 16px;
  color: #6b7280;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

main {
  width: min(1320px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: 28px;
}

.scope-notice {
  padding: 18px 22px;
  color: #76501f;
  background: #fff8e7;
  border-color: #efddad;
  border-radius: 12px;
}

.scope-notice strong {
  color: #60400e;
  font-size: 15px;
}

.scope-notice p {
  margin-top: 3px;
  font-size: 14px;
  line-height: 1.7;
}

.module-section {
  padding: 56px 0 30px;
}

.section-heading {
  margin-bottom: 26px;
}

.section-heading h2,
.sidebar-heading h2,
.principles-heading h2 {
  margin: 5px 0 0;
  color: var(--ink);
  font-size: 28px;
  letter-spacing: -0.025em;
}

.section-heading p {
  max-width: 520px;
  font-size: 15px;
  line-height: 1.7;
}

.section-kicker {
  font-size: 13px;
  letter-spacing: 0.07em;
}

.module-grid {
  gap: 18px;
}

.module-card {
  min-height: 184px;
  padding: 26px;
  overflow: hidden;
  border-color: #e1e5eb;
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
}

.module-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: var(--module-color, var(--primary));
  opacity: 0;
  transition: opacity 0.18s ease;
}

.module-card:hover,
.module-card.active {
  transform: translateY(-2px);
  border-color: var(--module-color, var(--primary));
  box-shadow: 0 8px 26px rgba(23, 43, 72, 0.1);
}

.module-card.active {
  border-width: 1px;
}

.module-card:hover::after,
.module-card.active::after {
  opacity: 1;
}

.module-icon {
  width: 42px;
  height: 42px;
  color: var(--module-color, var(--primary));
  border-radius: 10px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.module-card h3 {
  margin: 17px 0 6px;
  font-size: 19px;
}

.module-card p {
  font-size: 13px;
  line-height: 1.65;
}

.module-count {
  padding-top: 15px;
  font-size: 13px;
}

.workspace {
  margin: 26px 0 72px;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 24px;
}

.calculator-sidebar,
.calculator-panel {
  border-color: #e0e5ec;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.calculator-sidebar {
  top: 86px;
}

.sidebar-heading {
  padding: 27px 25px 21px;
}

.sidebar-heading h2 {
  font-size: 20px;
}

.calculator-list {
  padding: 11px;
}

.calculator-item {
  min-height: 62px;
  padding: 13px;
  grid-template-columns: 38px 1fr 18px;
  gap: 11px;
  border-radius: 10px;
}

.calculator-item + .calculator-item {
  margin-top: 3px;
}

.calculator-item.active {
  box-shadow: inset 3px 0 0 var(--primary);
}

.calculator-item-icon {
  width: 36px;
  height: 36px;
  color: var(--primary-deep);
  font-size: 14px;
  font-weight: 850;
}

.calculator-item strong {
  font-size: 14px;
  line-height: 1.45;
}

.calculator-panel {
  min-height: 700px;
  padding: 40px;
}

.panel-header h2 {
  margin: 5px 0 8px;
  font-size: 32px;
}

.panel-category {
  font-size: 13px;
}

.panel-header p {
  max-width: 760px;
  font-size: 15px;
  line-height: 1.75;
}

.status-badge {
  padding: 7px 11px;
  font-size: 12px;
}

.panel-scope {
  margin: 25px 0 30px;
  padding: 14px 17px;
  font-size: 14px;
  line-height: 1.7;
}

.form-grid {
  gap: 22px;
}

.field label,
.field-label {
  margin-bottom: 8px;
  font-size: 15px;
}

.field input,
.field select {
  height: 52px;
  padding: 0 15px;
  border-color: #d4dae3;
  font-size: 16px;
}

.field small {
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.55;
}

.check-field {
  min-height: 54px;
  padding: 14px 15px;
}

.check-field label {
  font-size: 14px;
  line-height: 1.55;
}

.medical-detail-panel,
.sick-leave-row,
.wage-month-row {
  padding: 18px;
}

.wage-guide,
.retirement-category-note {
  padding: 15px 17px;
  font-size: 13px;
}

.wage-guide strong,
.retirement-category-note strong {
  font-size: 14px;
}

.wage-month-field span {
  min-height: 35px;
  font-size: 12px;
}

.wage-month-field input {
  height: 45px;
  font-size: 14px;
}

.form-error {
  padding: 12px 14px;
  font-size: 14px;
}

.form-actions {
  margin-top: 34px;
  padding-top: 26px;
}

.button {
  min-height: 49px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 15px;
}

.result-panel {
  margin-top: 32px;
  padding: 29px;
}

.result-heading h3 {
  font-size: 21px;
}

.result-status,
.result-metric span,
.source-link {
  font-size: 13px;
}

.result-metric {
  margin: 22px 0;
  padding: 22px;
}

.result-metric strong {
  font-size: clamp(29px, 4vw, 39px);
}

.breakdown-row {
  padding: 12px 0;
  font-size: 14px;
}

.result-note {
  font-size: 13px;
  line-height: 1.65;
}

.result-export {
  padding: 19px;
}

.result-export strong {
  font-size: 14px;
}

.result-export span,
.export-message {
  font-size: 12px;
}

.result-export-actions .button {
  min-height: 43px;
  font-size: 13px;
}

.tool-principles {
  margin-bottom: 76px;
  padding: 34px;
  background: #f3f7fc;
  border: 1px solid #e0e8f2;
  border-radius: 16px;
}

.principles-heading {
  margin-bottom: 24px;
}

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

.principles-grid article {
  padding: 22px;
  background: white;
  border: 1px solid #e1e7ef;
  border-radius: 13px;
}

.principles-grid article > span {
  color: var(--primary);
  font-size: 12px;
  font-weight: 850;
}

.principles-grid strong {
  margin-top: 10px;
  display: block;
  color: var(--ink);
  font-size: 16px;
}

.principles-grid p {
  margin: 7px 0 0;
  color: #687281;
  font-size: 13px;
  line-height: 1.7;
}

.footer {
  min-height: 0;
  padding: 40px 24px;
  color: #94a3b8;
  background: #1e293b;
  font-size: 13px;
  line-height: 2;
}

.footer a {
  color: #e2e8f0;
  text-decoration: none;
}

.footer a:hover {
  color: white;
}

.footer-brand {
  margin-bottom: 8px;
  color: white;
  font-size: 16px;
  font-weight: 600;
}

.footer-links {
  margin: 8px 0 0;
}

.footer-copy {
  margin: 12px 0 0;
  color: #64748b;
  font-size: 12px;
}

.footer-filing {
  margin: 4px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
}

.footer-filing > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #64748b;
}

.footer-filing img {
  width: 16px;
  height: 16px;
}

.disclaimer-gate {
  padding: 28px 18px;
  background: rgba(25, 38, 56, 0.74);
}

.disclaimer-card {
  width: min(800px, 100%);
  padding: 34px;
  border-radius: 18px;
}

.disclaimer-step {
  font-size: 12px;
}

.disclaimer-card h2 {
  margin-top: 15px;
  font-size: clamp(25px, 4vw, 32px);
}

.disclaimer-intro {
  font-size: 14px;
}

.disclaimer-list {
  gap: 10px;
}

.disclaimer-list li {
  padding: 14px 15px 14px 46px;
}

.disclaimer-list strong {
  font-size: 13px;
}

.disclaimer-list span {
  font-size: 12px;
  line-height: 1.65;
}

.disclaimer-warning,
.disclaimer-check {
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 1080px) {
  .tool-hero-inner {
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 42px;
  }

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

  .workspace {
    grid-template-columns: 290px minmax(0, 1fr);
  }

  .calculator-panel {
    padding: 32px;
  }
}

@media (max-width: 780px) {
  .nav-inner,
  .tool-hero-inner,
  main {
    width: min(100% - 28px, 1320px);
  }

  .nav-inner {
    gap: 22px;
    overflow-x: auto;
  }

  .nav-actions {
    flex: 0 0 auto;
    gap: 16px;
    font-size: 13px;
  }

  .tool-hero-inner {
    min-height: 0;
    padding: 47px 0 53px;
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .tool-hero h1 {
    font-size: 39px;
  }

  .tool-hero .hero-copy > p {
    font-size: 16px;
  }

  .hero-summary {
    max-width: 520px;
  }

  .module-section {
    padding-top: 46px;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .calculator-sidebar {
    position: static;
  }

  .calculator-list {
    display: flex;
    overflow-x: auto;
  }

  .calculator-item {
    min-width: 230px;
  }

  .calculator-panel {
    min-height: 0;
    padding: 28px 22px;
  }

  .panel-header h2 {
    font-size: 28px;
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .nav-brand {
    font-size: 17px;
  }

  .nav-actions a {
    padding-top: 22px;
  }

  .tool-hero h1 {
    font-size: 34px;
  }

  .summary-metrics strong {
    font-size: 34px;
  }

  .module-grid {
    grid-template-columns: 1fr;
  }

  .module-card {
    min-height: 168px;
  }

  .section-heading h2,
  .principles-heading h2 {
    font-size: 25px;
  }

  .form-grid,
  .wage-month-grid {
    grid-template-columns: 1fr;
  }

  .calculator-panel {
    padding: 25px 17px;
  }

  .panel-header {
    flex-direction: column;
  }

  .field.full {
    grid-column: auto;
  }

  .tool-principles {
    padding: 25px 17px;
  }

  .disclaimer-card {
    padding: 24px 18px;
  }
}

.calculation-usage {
  margin-top: 24px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #566274;
  background: #f7f9fc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.65;
}

.calculation-usage strong {
  flex: 0 0 auto;
  padding: 5px 9px;
  color: var(--primary-deep);
  background: var(--primary-soft);
  border-radius: 999px;
  font-size: 12px;
}

.access-step-panel[hidden],
#calculator-disclaimer-step[hidden] {
  display: none;
}

.access-rules {
  margin: 20px 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.access-rules > div {
  min-height: 108px;
  padding: 15px;
  background: #f7f9fc;
  border: 1px solid #e4eaf1;
  border-radius: 12px;
}

.access-rules strong,
.access-rules span {
  display: block;
}

.access-rules strong {
  color: #2e3948;
  font-size: 13px;
}

.access-rules span {
  margin-top: 5px;
  color: #687384;
  font-size: 12px;
  line-height: 1.65;
}

.access-form {
  padding: 16px;
  background: #fffaf1;
  border: 1px solid #f1dfbd;
  border-radius: 13px;
}

.access-form label {
  display: block;
  margin-bottom: 8px;
  color: #374151;
  font-size: 13px;
  font-weight: 800;
}

.access-code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.access-code-row input {
  width: 100%;
  min-width: 0;
  height: 48px;
  padding: 0 14px;
  color: var(--ink);
  background: white;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  outline: none;
  font: inherit;
  font-size: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.access-code-row input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(34, 103, 186, 0.14);
}

.access-code-row .button {
  min-width: 136px;
}

.access-error {
  min-height: 20px;
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .calculation-usage {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .access-rules {
    grid-template-columns: 1fr;
  }

  .access-rules > div {
    min-height: 0;
  }

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

  .access-code-row .button {
    width: 100%;
  }
}