/* ============================================
   日本租房指南 myjp.homes - Global Styles
   ============================================ */

/* CSS Variables */
:root {
  --color-bg: #f0f0f3;
  --color-bg-white: #ffffff;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-text-light: #999999;
  --color-accent: #4A90E2;
  --color-accent-light: #6BA3E8;
  --color-border: #e0e0e0;
  --color-shadow-light: rgba(255, 255, 255, 0.8);
  --color-shadow-dark: rgba(163, 177, 198, 0.35);

  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;

  --line-height: 1.6;
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --border-radius-xs: 8px;

  --max-width: 600px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-weight: 400;
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  padding-bottom: calc(80px + env(safe-area-inset-bottom));
}

/* ============================================
   Neumorphic Design System
   ============================================ */

.neu-card {
  background: transparent;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
}

.neu-card-inset {
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    inset 4px 4px 8px var(--color-shadow-dark),
    inset -4px -4px 8px var(--color-shadow-light);
  padding: var(--spacing-md);
}

.neu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  background: var(--color-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow:
    6px 6px 12px var(--color-shadow-dark),
    -6px -6px 12px var(--color-shadow-light);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.neu-button:hover {
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
}

.neu-button:active {
  box-shadow:
    inset 4px 4px 8px var(--color-shadow-dark),
    inset -4px -4px 8px var(--color-shadow-light);
}

.neu-button-accent {
  background: var(--color-accent);
  color: white;
  box-shadow:
    6px 6px 12px var(--color-shadow-dark),
    -6px -6px 12px var(--color-shadow-light);
}

.neu-button-accent:hover {
  background: var(--color-accent-light);
}

/* ============================================
   Header / Navigation
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-bg);
  padding: var(--spacing-md);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.search-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: none;
  border-radius: 50%;
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  cursor: pointer;
  font-size: var(--font-size-xl);
  transition: var(--transition-fast);
}

.search-toggle:active {
  box-shadow:
    inset 2px 2px 4px var(--color-shadow-dark),
    inset -2px -2px 4px var(--color-shadow-light);
}

/* Main Content Area */
.main-content {
  padding-top: 80px;
}

/* ============================================
   Search Overlay
   ============================================ */

.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--color-bg);
  padding: var(--spacing-md);
  transform: translateY(-100%);
  opacity: 0;
  transition: var(--transition-normal);
}

.search-overlay.active {
  transform: translateY(0);
  opacity: 1;
}

.search-overlay-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.search-back {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--color-text);
}

.search-input-wrapper {
  flex: 1;
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow:
    inset 4px 4px 8px var(--color-shadow-dark),
    inset -4px -4px 8px var(--color-shadow-light);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  outline: none;
}

.search-input::placeholder {
  color: var(--color-text-light);
}

.search-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--color-text);
}

.search-no-result {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-secondary);
  display: none;
}

.search-no-result.show {
  display: block;
}

/* Search Highlight */
mark {
  background: rgba(74, 144, 226, 0.3);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

/* ============================================
   Section Styles
   ============================================ */

.section {
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

/* ============================================
   Intro Section (写在前边)
   ============================================ */

.intro-section {
  margin-bottom: var(--spacing-xl);
}

.intro-text {
  font-size: calc(var(--font-size-sm) * 1.33);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.intro-highlight {
  margin-bottom: var(--spacing-lg);
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: calc(var(--font-size-sm) * 1.33);
}

.highlight-item .emoji {
  flex-shrink: 0;
}

.roles-section {
  margin-top: var(--spacing-lg);
}

.roles-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.role-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

/* ============================================
   Steps Navigation (四步流程)
   ============================================ */

.steps-nav {
  margin-bottom: var(--spacing-xl);
}

.step-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition-fast);
}

.step-item:hover {
  transform: translateY(-2px);
  box-shadow:
    6px 6px 12px var(--color-shadow-dark),
    -6px -6px 12px var(--color-shadow-light);
}

.step-item:active {
  transform: translateY(0);
  box-shadow:
    inset 2px 2px 4px var(--color-shadow-dark),
    inset -2px -2px 4px var(--color-shadow-light);
}

.step-indicator {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
}

.step-emoji {
  font-size: var(--font-size-xl);
}

.step-content {
  flex: 1;
}

.step-title {
  font-weight: 500;
}

.step-duration {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.step-arrow {
  color: var(--color-text-light);
}

/* ============================================
   Steps Navigation Horizontal
   ============================================ */

.steps-nav-horizontal {
  margin-bottom: var(--spacing-lg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xs);
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  text-decoration: none;
  color: var(--color-text);
  transition: var(--transition-fast);
  text-align: center;
}

.step-card:hover {
  transform: translateY(-2px);
  box-shadow:
    6px 6px 12px var(--color-shadow-dark),
    -6px -6px 12px var(--color-shadow-light);
}

.step-card:active {
  transform: translateY(0);
  box-shadow:
    inset 2px 2px 4px var(--color-shadow-dark),
    inset -2px -2px 4px var(--color-shadow-light);
}

.step-card .step-emoji {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.step-card .step-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: 2px;
}

.step-card .step-duration {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

/* ============================================
   Steps Row (4 Horizontal Individual Collapsible)
   ============================================ */

.steps-section {
  margin-bottom: var(--spacing-xl);
}

/* Step Tabs */
.step-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.step-tab {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: var(--spacing-sm) var(--spacing-xs);
  background: var(--color-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  cursor: pointer;
  font-family: var(--font-family);
  text-align: center;
  transition: var(--transition-fast);
}

.step-tab:hover {
  transform: translateY(-2px);
}

.step-tab.active {
  box-shadow:
    inset 3px 3px 6px var(--color-shadow-dark),
    inset -3px -3px 6px var(--color-shadow-light);
}

.step-tab .step-emoji {
  font-size: var(--font-size-base);
}

.step-tab .step-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* Step Panels (Full Width Content) */
.step-panels {
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  overflow: hidden;
}

.step-panel {
  display: none;
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.8;
}

.step-panel.active {
  display: block;
}

.step-panel p {
  margin-bottom: var(--spacing-xs);
}

.step-panel ul {
  list-style: none;
  margin-bottom: var(--spacing-sm);
}

.step-panel li {
  margin-bottom: 2px;
  padding-left: var(--spacing-md);
  position: relative;
}

.step-panel li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.step-panel ol {
  list-style: none;
  counter-reset: step-counter;
  margin-bottom: var(--spacing-sm);
}

.step-panel ol li {
  counter-increment: step-counter;
}

.step-panel ol li::before {
  content: counter(step-counter) '.';
  color: var(--color-accent);
  font-weight: 600;
}

/* Step Duration Header */
.step-duration {
  display: inline-block;
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 2px;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm) !important;
}

/* Step Tips - removed background, now plain text */
.step-tip {
  color: var(--color-text-secondary);
  margin: var(--spacing-xs) 0 var(--spacing-sm) !important;
}

.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.step-item-col {
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  overflow: hidden;
}

.step-header-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-xs);
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  text-align: center;
}

.step-header-col .step-emoji {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.step-header-col .step-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 2px;
}

.step-header-col .step-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.step-toggle-col {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.step-item-col.open .step-toggle-col {
  content: '−';
}

.step-content-col {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.step-item-col.open .step-content-col {
  max-height: 500px;
}

.step-inner-col {
  padding: var(--spacing-sm);
  padding-top: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text);
  line-height: 1.6;
}

.step-inner-col p {
  margin-bottom: var(--spacing-xs);
}

.step-inner-col ul {
  list-style: none;
  margin-bottom: var(--spacing-xs);
}

.step-inner-col li {
  margin-bottom: 2px;
  padding-left: var(--spacing-sm);
  position: relative;
}

.step-inner-col li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ============================================
   Steps Card (Single Collapsible with Horizontal Steps)
   ============================================ */

.steps-card-section {
  margin-bottom: var(--spacing-xl);
}

.steps-card {
  padding: 0;
  overflow: hidden;
}

.steps-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-lg);
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
}

.steps-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.steps-toggle {
  font-size: var(--font-size-2xl);
  color: var(--color-text-light);
  font-weight: 300;
  transition: var(--transition-fast);
}

.steps-card.open .steps-toggle {
  content: '−';
}

.steps-card-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.steps-card.open .steps-card-content {
  max-height: 2000px;
}

.steps-horizontal {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.step-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xs);
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    inset 3px 3px 6px var(--color-shadow-dark),
    inset -3px -3px 6px var(--color-shadow-light);
  text-align: center;
}

.step-box .step-emoji {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.step-box .step-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 2px;
}

.step-box .step-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

/* Horizontal Step Grid */
.steps-horizontal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.step-box-h {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xs);
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    inset 3px 3px 6px var(--color-shadow-dark),
    inset -3px -3px 6px var(--color-shadow-light);
  text-align: center;
}

.step-box-h .step-emoji {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.step-box-h .step-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 2px;
}

.step-box-h .step-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

/* Step Details */
.step-details {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.step-detail {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.step-detail:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.step-detail h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.step-detail p {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  line-height: 1.8;
}

.step-detail ul {
  list-style: none;
  margin-bottom: var(--spacing-sm);
}

.step-detail li {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-md);
  position: relative;
}

.step-detail li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ============================================
   Step Q&A Items (Inside Steps Card)
   ============================================ */

.step-qa-item {
  border-bottom: 1px solid var(--color-border);
}

.step-qa-item:last-child {
  border-bottom: none;
}

.step-qa-question {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  background: transparent;
  border: none;
  text-align: left;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
}

.step-qa-question .step-emoji {
  font-size: var(--font-size-lg);
}

.step-qa-question .step-duration {
  margin-left: auto;
  font-size: var(--font-size-xs);
  font-weight: 400;
  color: var(--color-text-light);
}

.step-qa-question::after {
  content: '+';
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-left: var(--spacing-sm);
}

.step-qa-item.open .step-qa-question::after {
  content: '−';
}

.step-qa-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.step-qa-item.open .step-qa-answer {
  max-height: 500px;
}

.step-qa-inner {
  padding: 0 var(--spacing-md) var(--spacing-md);
  padding-left: calc(var(--spacing-md) + var(--font-size-lg) + var(--spacing-sm));
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.8;
}

.step-qa-inner p {
  margin-bottom: var(--spacing-xs);
}

.step-qa-inner p:last-child {
  margin-bottom: 0;
}

/* ============================================
   Steps Accordion (Collapsible)
   ============================================ */

.steps-accordion {
  margin-bottom: var(--spacing-xl);
}

.step-accordion-item {
  margin-bottom: var(--spacing-sm);
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  overflow: hidden;
}

.step-accordion-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-family);
  cursor: pointer;
}

.step-accordion-header .step-emoji {
  font-size: var(--font-size-xl);
}

.step-header-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.step-accordion-header .step-title {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
}

.step-accordion-header .step-duration {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.step-accordion-header::after {
  content: '+';
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  transition: var(--transition-fast);
}

.step-accordion-item.open .step-accordion-header::after {
  content: '−';
}

.step-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.step-accordion-item.open .step-accordion-content {
  max-height: 2000px;
}

.step-accordion-inner {
  padding: 0 var(--spacing-md) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.step-accordion-inner h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin: var(--spacing-md) 0 var(--spacing-sm);
}

.step-accordion-inner h4:first-child {
  margin-top: 0;
}

.step-accordion-inner ul {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.step-accordion-inner li {
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-md);
  position: relative;
}

.step-accordion-inner li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.step-accordion-inner p {
  margin-bottom: var(--spacing-sm);
}

.step-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.step-link:hover {
  text-decoration: underline;
}

/* ============================================
   Full Width Contact Bar
   ============================================ */

.bottom-contact-bar-full {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--color-bg);
  padding: 0;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
}

.contact-button-full {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
  background: var(--color-bg);
  color: var(--color-text);
  border: none;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-button-full:hover {
  background: #e8e8eb;
}

.contact-button-full:active {
  background: #e0e0e3;
}

.contact-divider {
  color: var(--color-text-light);
  font-weight: 300;
}

/* ============================================
   Q&A Section
   ============================================ */

.qa-section {
  margin-bottom: var(--spacing-xl);
}

.qa-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.qa-tab {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-bg);
  border: none;
  border-radius: var(--border-radius-xs);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-fast);
}

.qa-tab:hover {
  color: var(--color-accent);
}

.qa-tab.active {
  box-shadow:
    inset 3px 3px 6px var(--color-shadow-dark),
    inset -3px -3px 6px var(--color-shadow-light);
  color: var(--color-accent);
}

.qa-content {
  display: none;
}

.qa-content.active {
  display: block;
}

.qa-item {
  margin-bottom: var(--spacing-sm);
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  overflow: hidden;
}

.qa-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
}

.qa-question::after {
  content: '+';
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  transition: var(--transition-fast);
}

.qa-item.open .qa-question::after {
  content: '−';
}

.qa-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.qa-item.open .qa-answer {
  max-height: 1000px;
}

.qa-answer-inner {
  padding: 0 var(--spacing-md) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.qa-answer-inner p {
  margin-bottom: var(--spacing-sm);
}

.qa-answer-inner p:last-child {
  margin-bottom: 0;
}

.qa-answer-inner ul {
  list-style: none;
  margin-bottom: var(--spacing-sm);
}

.qa-answer-inner li {
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-md);
  position: relative;
}

.qa-answer-inner li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.qa-answer-inner strong {
  color: var(--color-text);
}

.qa-tip {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: rgba(74, 144, 226, 0.1);
  border-radius: var(--border-radius-xs);
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

/* ============================================
   Getting Started Section
   ============================================ */

.start-section {
  margin-bottom: var(--spacing-xl);
}

.start-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

/* ============================================
   Floating Contact Button
   ============================================ */

.floating-contact {
  position: fixed;
  bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
  right: var(--spacing-md);
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-xs);
}

.contact-info {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-xs);
  box-shadow:
    2px 2px 4px var(--color-shadow-dark),
    -2px -2px 4px var(--color-shadow-light);
}

.contact-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-button:hover {
  background: var(--color-accent-light);
}

/* ============================================
   Step Page Content
   ============================================ */

.page-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
}

.page-emoji {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.page-duration {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.content-block {
  margin-bottom: var(--spacing-xl);
}

.content-block h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.content-block p {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.content-block ul {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.content-block li {
  margin-bottom: var(--spacing-xs);
  padding-left: var(--spacing-lg);
  position: relative;
  font-size: var(--font-size-sm);
}

.content-block li::before {
  content: '•';
  position: absolute;
  left: var(--spacing-xs);
  color: var(--color-accent);
}

.tip-box {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: rgba(74, 144, 226, 0.1);
  border-radius: var(--border-radius-sm);
  margin: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
}

.tip-box.warning {
  background: rgba(255, 193, 7, 0.1);
}

.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
  margin-top: var(--spacing-lg);
}

.cta-button:hover {
  background: var(--color-accent-light);
}

/* Flow Diagram */
.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  box-shadow:
    inset 3px 3px 6px var(--color-shadow-dark),
    inset -3px -3px 6px var(--color-shadow-light);
  margin: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
}

.flow-diagram span {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg);
  border-radius: var(--border-radius-xs);
  box-shadow:
    2px 2px 4px var(--color-shadow-dark),
    -2px -2px 4px var(--color-shadow-light);
}

.flow-diagram .arrow {
  box-shadow: none;
  background: transparent;
  color: var(--color-text-light);
}

/* Numbered List */
.numbered-list {
  counter-reset: item;
  list-style: none;
}

.numbered-list li {
  counter-increment: item;
  padding-left: var(--spacing-xl);
}

.numbered-list li::before {
  content: counter(item) '.';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

/* ============================================
   Bottom Navigation (Step Pages)
   ============================================ */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--color-bg);
  padding: var(--spacing-md);
  padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.bottom-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow:
    4px 4px 8px var(--color-shadow-dark),
    -4px -4px 8px var(--color-shadow-light);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
}

.nav-button:hover {
  transform: translateY(-2px);
  box-shadow:
    6px 6px 12px var(--color-shadow-dark),
    -6px -6px 12px var(--color-shadow-light);
}

.nav-button:active {
  transform: translateY(0);
  box-shadow:
    inset 2px 2px 4px var(--color-shadow-dark),
    inset -2px -2px 4px var(--color-shadow-light);
}

.nav-button.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.nav-button-placeholder {
  width: 100px;
}

/* ============================================
   Page Navigation Buttons (Inline, Larger)
   ============================================ */

.page-nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.page-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-lg) var(--spacing-md);
  background: var(--color-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow:
    6px 6px 12px var(--color-shadow-dark),
    -6px -6px 12px var(--color-shadow-light);
  font-family: var(--font-family);
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
}

.page-nav-btn span:first-child {
  font-size: var(--font-size-2xl);
}

.page-nav-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    8px 8px 16px var(--color-shadow-dark),
    -8px -8px 16px var(--color-shadow-light);
}

.page-nav-btn:active {
  transform: translateY(0);
  box-shadow:
    inset 3px 3px 6px var(--color-shadow-dark),
    inset -3px -3px 6px var(--color-shadow-light);
}

/* ============================================
   Page Transition Animation
   ============================================ */

.page-content {
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Utilities
   ============================================ */

.text-accent {
  color: var(--color-accent);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.hidden {
  display: none !important;
}

/* Searchable content marker */
[data-searchable] {
  transition: background-color var(--transition-fast);
}

[data-searchable].highlight-section {
  background-color: rgba(74, 144, 226, 0.05);
  border-radius: var(--border-radius-sm);
}

/* ============================================
   Intro Section Enhanced (写在前边 + 怎么开始)
   ============================================ */

.intro-title {
  font-size: calc(var(--font-size-xl) * 1.2);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.intro-subtitle {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.intro-text-sm {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.intro-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-lg) 0;
}

/* ============================================
   Q&A Divider
   ============================================ */

.qa-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-md) 0;
}

/* ============================================
   Page Header Compact (smaller emoji)
   ============================================ */

.page-header-compact {
  padding: var(--spacing-lg) 0;
}

.page-emoji-small {
  font-size: 32px;
  margin-bottom: var(--spacing-xs);
}

/* ============================================
   Role List (for findhouse page)
   ============================================ */

.role-list {
  margin-bottom: var(--spacing-md);
}

.role-list .role-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

/* ============================================
   Bottom Contact Bar (Homepage)
   ============================================ */

.bottom-contact-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--color-bg);
  padding: var(--spacing-md);
  padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.bottom-contact-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.contact-placeholder {
  flex: 1;
}

/* ============================================
   Centered Contact Button (light style)
   ============================================ */

.contact-button-center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg);
  color: var(--color-text-secondary);
  border: none;
  border-radius: var(--border-radius-sm);
  box-shadow:
    3px 3px 6px var(--color-shadow-dark),
    -3px -3px 6px var(--color-shadow-light);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 400;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.contact-button-center:hover {
  color: var(--color-text);
}

.contact-button-center:active {
  box-shadow:
    inset 2px 2px 4px var(--color-shadow-dark),
    inset -2px -2px 4px var(--color-shadow-light);
}

/* Update bottom nav for 3-column layout */
.bottom-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
}

.bottom-nav .nav-button {
  flex-shrink: 0;
}

.bottom-nav .contact-button-center {
  flex: 1;
  max-width: 180px;
}