/* ============================================
   Modern CSS for SEO-Optimized Content Site
   Based on Google 2026 Best Practices
   ============================================ */

/* ============================================
   1. CSS RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --color-primary: #1976d2;
  --color-primary-dark: #115293;
  --color-primary-light: #4791db;
  --color-secondary: #424242;
  --color-accent: #ff6b6b;
  --color-success: #4caf50;
  --color-warning: #ff9800;
  --color-danger: #f44336;
  
  /* Neutrals */
  --color-text: #212121;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-border: #e0e0e0;
  --color-border-light: #f5f5f5;
  --color-bg: #ffffff;
  --color-bg-alt: #fafafa;
  --color-bg-section: #f8f9fa;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Merriweather', Georgia, serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  /* Do NOT set overflow-x here: combined with body's overflow-x: hidden
     it makes <html> its own scroll container and breaks the sticky header. */
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  margin: 0;
  padding: 0;
}

/* ============================================
   2. SKIP LINK (Accessibility)
   ============================================ */
.static-221c {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 10000;
  border-radius: 0 0 4px 0;
}

.static-221c:focus {
  top: 0;
}

/* ============================================
   3. CONTAINER & LAYOUT
   ============================================ */
.menu-c38a {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .menu-c38a {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  .menu-c38a {
    padding: 0 12px;
  }
}

/* Prevent horizontal overflow on all elements EXCEPT header */
*:not(.hidden_fcc8):not(header) {
  max-width: 100%;
}

/* Allow specific elements to exceed container */
html,
body,
.hidden_fcc8,
header,
.gradient_f422,
.mask_inner_2c08,
.aside_ca5c,
.tiny-2080,
.container-5b56,
.north_1abf,
.popup_4b0e {
  max-width: none;
}

/* Critical mobile fix: prevent any overflow */
section,
article,
div,
main {
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* Ensure images never cause overflow */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Ensure SVG icons don't cause issues */
svg {
  max-width: 100%;
  height: auto;
}

/* ============================================
   4. HEADER & NAVIGATION
   ============================================ */
.hidden_fcc8 {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  position: -webkit-sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-base);
}

.table_481c {
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Scrolled state */
.hidden_fcc8.secondary-steel-d794 {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 1);
}

.complex_4cf3 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-md);
}

.last-4f42 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.tertiary_f962 img {
  height: 36px;
  width: auto;
  display: block;
}

.border_orange_5635 {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: #e8f5e9;
  color: var(--color-success);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  white-space: nowrap;
}

.pro-dade {
  flex: 1;
}

.badge-tall-6b81 {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.right_b0a5 {
  display: block;
  padding: 8px 16px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.right_b0a5:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.right_b0a5.fn-active-fc13 {
  background: var(--color-primary);
  color: white;
}

/* Dropdown Navigation */
.motion_a263 {
  position: relative;
}

.center_4b5a {
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.center_4b5a svg {
  transition: transform 0.2s ease;
}

/* 鼠标悬停时箭头旋转（桌面）；点击展开时箭头旋转（移动端） */
.motion_a263:hover .center_4b5a svg,
.center_4b5a[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.hard_df2b {
  position: absolute;
  top: calc(100% + 8px); /* 距离父元素8px，更自然 */
  left: 0;
  min-width: 200px;
  width: max-content; /* 自动适应内容宽度 */
  max-width: 300px; /* 最大宽度限制 */
  background: white;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.08);
  list-style: none;
  margin: 0;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1001;
  /* 关键：确保没有overflow，内容完全可见 */
  overflow: visible;
  max-height: none;
  height: auto;
}

/* 鼠标悬停父元素时，立即显示下拉菜单 */
.motion_a263:hover .hard_df2b {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

/* 在下拉菜单上方添加一个不可见的桥接区域，防止鼠标移动时菜单消失 */
.hard_df2b::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

.inner-20a5 {
  display: block;
  padding: 10px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.inner-20a5:hover {
  background: var(--color-primary);
  color: white;
  padding-left: 24px; /* 悬停时轻微缩进 */
}

/* 当前页面在下拉菜单中的样式 */
.inner-20a5[aria-current="page"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.backdrop_f300 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Header Login Button */
.heading_iron_9cf1 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.heading_iron_9cf1:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
  transform: translateY(-1px);
}

.heading_iron_9cf1 svg {
  flex-shrink: 0;
}

/* Header Download Button */
.sidebar-hovered-ebee {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.3);
  white-space: nowrap;
}

.sidebar-hovered-ebee:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0d47a1 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(25, 118, 210, 0.4);
}

.sidebar-hovered-ebee svg {
  flex-shrink: 0;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.pressed-9feb {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.wrapper-hovered-3e04 {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

/* Hamburger animation when active */
.pressed-9feb[aria-expanded="true"] .wrapper-hovered-3e04:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.pressed-9feb[aria-expanded="true"] .wrapper-hovered-3e04:nth-child(2) {
  opacity: 0;
}

.pressed-9feb[aria-expanded="true"] .wrapper-hovered-3e04:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Menu */
@media (max-width: 1100px) {
  .pro-dade {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    padding: 80px 0 20px;
    transition: right 0.3s ease-out;
    z-index: 999;
    overflow-y: auto; /* 移动端菜单内容过多时可滚动 */
    overflow-x: visible; /* 水平方向不滚动，确保下拉菜单可见 */
    /* 隐藏滚动条外观，但保留可滚动能力，视觉上更自然 */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
  }

  .pro-dade::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Edge(Chromium) */
  }
  
  .pro-dade.popup_2624 {
    display: block;
    right: 0;
  }
  
  .badge-tall-6b81 {
    flex-direction: column;
    gap: 0;
  }
  
  .right_b0a5 {
    display: block;
    padding: 16px 24px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  /* Mobile overlay */
  .pro-dade::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-out;
  }
  
  .pro-dade.popup_2624::before {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 1100px) {
  .pro-dade {
    display: none;
  }
  
  .pressed-9feb {
    display: flex;
  }
  
  .border_orange_5635 {
    display: none;
  }
  
  /* Adjust header buttons on tablet */
  .heading_iron_9cf1,
  .sidebar-hovered-ebee {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  
  /* 移动端下拉菜单改为堆叠显示，不需要浮动 */
  .motion_a263 {
    position: relative;
  }
  
  .hard_df2b {
    position: static; /* 移动端不浮动，直接堆叠 */
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 3px solid var(--color-primary);
    padding-left: 20px;
    margin-top: 0;
    /* 用 max-height 过渡实现自然展开/收起，而不是生硬的 display 切换 */
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, margin-top 0.3s ease;
  }
  
  .center_4b5a[aria-expanded="true"] + .hard_df2b {
    max-height: 320px; /* 足够容纳所有子项，展开时自然撑开 */
    margin-top: 8px;
  }
  
  .inner-20a5 {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  /* Stack buttons vertically or hide login on small screens */
  .backdrop_f300 {
    gap: 8px;
  }
  
  .heading_iron_9cf1 {
    display: none;
  }
  
  .sidebar-hovered-ebee {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  
  .tertiary_f962 img {
    height: 32px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .sidebar-hovered-ebee {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }
  
  .sidebar-hovered-ebee svg {
    width: 14px;
    height: 14px;
  }
  
  .complex_4cf3 {
    gap: var(--space-sm);
  }
}

/* ============================================
   5. ARTICLE META BANNER
   ============================================ */
.gradient_f422 {
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.dark_2f22 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.yellow_6586 {
  display: flex;
  align-items: center;
  gap: 6px;
}

.yellow_6586 svg {
  flex-shrink: 0;
}

.yellow_6586 a {
  color: var(--color-primary);
  text-decoration: none;
}

.yellow_6586 a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .dark_2f22 {
    font-size: 0.8125rem;
    gap: var(--space-sm);
  }
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.mask_inner_2c08 {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.video-motion-f0ba {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}

@media (max-width: 1024px) {
  .video-motion-f0ba {
    grid-template-columns: 1fr 350px;
    gap: var(--space-lg);
  }
}

.layout-new-735b {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.layout-new-735b a {
  color: var(--color-primary);
  text-decoration: none;
}

.layout-new-735b a:hover {
  text-decoration: underline;
}

.light-2499 {
  color: var(--color-text-lighter);
}

.motion-1329 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

@media (max-width: 1024px) {
  .motion-1329 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .motion-1329 {
    font-size: 1.5rem;
  }
}

.silver_005c {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.link_62f8 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .link_62f8 {
    grid-template-columns: 1fr;
  }
}

.prev-b70d {
  display: flex;
  gap: var(--space-sm);
}

.filter-5f06 {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--color-primary-light);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.iron_5647 {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.iron_5647 strong {
  font-weight: 600;
  color: var(--color-text);
}

.iron_5647 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.motion-f612 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.menu_dirty_3bd3 {
  display: flex;
  align-items: center;
  justify-content: center;
}

.highlight-b0e0 {
  position: relative;
  text-align: center;
}

.highlight-b0e0 img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.grid-87e6 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hovered_28fd {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.large-f1d1 {
  color: #ffa000;
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.iron-7373 {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.banner-basic-a26b {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.warm_28e8 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 968px) {
  .video-motion-f0ba {
    grid-template-columns: 1fr;
  }
  
  .motion-1329 {
    font-size: 1.75rem;
  }
  
  .menu_dirty_3bd3 {
    order: -1;
    max-width: 100%;
  }
  
  .highlight-b0e0 {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .motion-1329 {
    font-size: 1.5rem;
  }
  
  .silver_005c {
    font-size: 1rem;
  }
  
  .layout-new-735b {
    font-size: 0.8125rem;
    flex-wrap: wrap;
  }
  
  .highlight-b0e0 {
    max-width: 250px;
  }
}

/* ============================================
   7. BUTTONS
   ============================================ */
.breadcrumb-e56f {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  line-height: 1.5;
}

.footer-a55a {
  background: var(--color-primary);
  color: white;
}

.footer-a55a:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.sort_f420 {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.sort_f420:hover {
  background: var(--color-primary);
  color: white;
}

.tooltip_hard_4645 {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.tooltip_hard_4645:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.large-4a7c {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.caption-focused-f9a7 {
  padding: 20px 40px;
  font-size: 1.25rem;
}

/* ============================================
   8. STATS SECTION
   ============================================ */
.aside_ca5c {
  padding: var(--space-xl) 0;
  background: white;
}

.gradient_b4d5 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.progress_34dc {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.progress_34dc:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.easy-e099 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.filter_west_bc4b {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.widget_static_f741 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   9. TABLE OF CONTENTS
   ============================================ */
.tiny-2080 {
  padding: var(--space-xl) 0;
  background: var(--color-bg-section);
}

.tooltip_4aea {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.current-0f1b {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.card_selected_ac47 {
  list-style: none;
  counter-reset: toc-counter;
}

.card_selected_ac47 li {
  counter-increment: toc-counter;
  margin-bottom: var(--space-sm);
}

.card_selected_ac47 li a {
  display: flex;
  align-items: center;
  padding: var(--space-sm);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.card_selected_ac47 li a:before {
  content: counter(toc-counter);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-primary-light);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  margin-right: var(--space-sm);
  flex-shrink: 0;
}

.card_selected_ac47 li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ============================================
   10. CONTENT SECTIONS
   ============================================ */
.container-5b56 {
  padding: var(--space-xxl) 0;
}

.mini-9954 {
  background: var(--color-bg-section);
}

.tooltip-wood-1c2a {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.title-9607 {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-primary-light);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: var(--space-md);
}

.main-gas-de0f {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.info_a172 {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.button_out_8783 {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-xl);
  width: 100%;
}

@media (max-width: 1200px) {
  .button_out_8783 {
    grid-template-columns: 1fr 300px;
  }
}

.white_427c {
  max-width: 750px;
  width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.white_427c img {
  max-width: 100%;
  height: auto;
  display: block;
}

.white_427c pre,
.white_427c code {
  overflow-x: auto;
  max-width: 100%;
}

.white_427c h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin: var(--space-xl) 0 var(--space-md);
  color: var(--color-text);
}

.white_427c h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text);
}

.white_427c h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.white_427c p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.white_427c ul,
.white_427c ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.white_427c li {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.white_427c strong {
  font-weight: 600;
  color: var(--color-text);
}

.white_427c a {
  color: var(--color-primary);
  text-decoration: underline;
}

.white_427c a:hover {
  color: var(--color-primary-dark);
}

.element_8c02 {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
}

.element_8c02 li {
  counter-increment: list-counter;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: var(--space-md);
}

.element_8c02 li:before {
  content: counter(list-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

@media (max-width: 968px) {
  .button_out_8783 {
    grid-template-columns: 1fr;
  }
  
  .main-gas-de0f {
    font-size: 1.75rem;
  }
  
  .white_427c {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .main-gas-de0f {
    font-size: 1.5rem;
  }
  
  .white_427c h3 {
    font-size: 1.375rem;
  }
  
  .white_427c h4 {
    font-size: 1.125rem;
  }
}

/* ============================================
   11. INFO BOXES
   ============================================ */
.container-pro-27c9 {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  border-left: 4px solid;
}

.box_f133 {
  background: #fff3e0;
  border-color: var(--color-warning);
}

.slider_fixed_072f {
  background: #e3f2fd;
  border-color: var(--color-primary);
}

.list-2bb5 {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.stale_29ef strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

/* ============================================
   12. AUTHOR NOTE
   ============================================ */
.module-45dc {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: #f1f8ff;
  border: 2px solid #0366d6;
  border-radius: var(--radius-lg);
  margin: var(--space-xl) 0;
}

.warm-d40f {
  flex-shrink: 0;
}

.text_green_9cb4 strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

/* ============================================
   13. TABLES
   ============================================ */
.hovered_ed18 {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .hovered_ed18 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
    border-radius: 0;
  }
}

.outline-tiny-47ff,
.layout_medium_5907,
.search-dark-fc83 {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.outline-tiny-47ff thead,
.layout_medium_5907 thead {
  background: var(--color-primary);
  color: white;
}

.outline-tiny-47ff th,
.outline-tiny-47ff td,
.layout_medium_5907 th,
.layout_medium_5907 td,
.search-dark-fc83 th,
.search-dark-fc83 td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .outline-tiny-47ff th,
  .outline-tiny-47ff td,
  .layout_medium_5907 th,
  .layout_medium_5907 td,
  .search-dark-fc83 th,
  .search-dark-fc83 td {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  .outline-tiny-47ff,
  .layout_medium_5907,
  .search-dark-fc83 {
    min-width: 600px;
  }
}

.outline-tiny-47ff th,
.layout_medium_5907 th,
.search-dark-fc83 th {
  font-weight: 600;
}

.outline-tiny-47ff tbody tr:hover,
.layout_medium_5907 tbody tr:hover,
.search-dark-fc83 tbody tr:hover {
  background: var(--color-bg-alt);
}

.component_plasma_fc0b {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ============================================
   14. SIDEBAR
   ============================================ */
.stone-45be {
  position: sticky;
  top: 80px;
  align-self: start;
}

.active_purple_f035 {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.active_purple_f035 h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.input_48b4 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.input_48b4 h4 {
  color: white;
}

.breadcrumb_easy_57e1 {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.container_4aba {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.container_4aba:last-child {
  border-bottom: none;
}

.container_4aba dt {
  font-weight: 600;
  color: var(--color-text-light);
}

.container_4aba dd {
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
}

.gas-de8f {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

.wood_9811 {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-md);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.wood_9811:hover {
  text-decoration: underline;
}

.filter-full-7972 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.middle_3b89 {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-sm);
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.middle_3b89 span {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.popup_medium_0e79 {
  font-weight: 600;
  color: white;
}

.main-new-a88b {
  list-style: none;
  padding: 0;
}

.main-new-a88b li {
  padding: var(--space-xs) 0;
}

.heading_slow_4d9b {
  color: #4caf50;
}

.carousel_tall_e043 {
  color: #ff9800;
}

.table_ff1d {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.light_8bcd {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: var(--space-sm);
}

.border_huge_ad00 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.hero-green-37fe {
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}

.west_ceca {
  height: 100%;
  background: linear-gradient(90deg, #4caf50 0%, #8bc34a 100%);
  transition: width var(--transition-slow);
}

.dropdown_hard_743a {
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
}

/* ============================================
   15. FEATURE GRID
   ============================================ */
.notice_fcd2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .notice_fcd2 {
    grid-template-columns: 1fr;
  }
}

.column_selected_8549 {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
}

.column_selected_8549:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.block-action-df55 {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  opacity: 0.3;
}

.column_selected_8549 h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.column_selected_8549 p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.under_cd86 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.popup_medium_0e79 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.caption-solid-b8fc {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}

.down_1026 {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.down_1026 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

/* ============================================
   16. COMPARISON & DECISION HELPER
   ============================================ */
.message-9e98 {
  max-width: 900px;
  margin: 0 auto;
}

.wrapper_upper_9c11 {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.medium-f8e1 {
  margin: var(--space-xl) 0;
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .medium-f8e1 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
  }
}

.tooltip-south-0ced {
  margin-top: var(--space-xxl);
}

.tooltip-south-0ced h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.silver-f864 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .silver-f864 {
    grid-template-columns: 1fr;
  }
}

.pressed_6781 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.sort-solid-3e34 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.white-6074 {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.pressed_6781 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.pressed_6781 ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.pressed_6781 li {
  padding: var(--space-xs) 0;
  color: white;
}

.pressed_6781 .breadcrumb-e56f {
  width: 100%;
  background: white;
}

.sort-solid-3e34 .breadcrumb-e56f {
  color: #667eea;
}

.white-6074 .breadcrumb-e56f {
  color: #f5576c;
}

/* ============================================
   17. TUTORIAL / STEPS
   ============================================ */
.current_7a0e {
  max-width: 900px;
  margin: 0 auto;
}

.element-e68f {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.disabled-f578 {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.over-d2aa {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.disabled-f578 h3 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
}

.nav-2baf {
  padding: var(--space-xl);
}

@media (max-width: 768px) {
  .disabled-f578 {
    padding: var(--space-md);
  }
  
  .nav-2baf {
    padding: var(--space-md);
  }
  
  .banner_639c {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
  }
}

.breadcrumb-complex-5269 ol,
.breadcrumb-complex-5269 ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.breadcrumb-complex-5269 li {
  margin-bottom: var(--space-sm);
}

.breadcrumb-complex-5269 code {
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

.solid-0a3f {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #fff3e0;
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
}

.dim-c43c {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #ffebee;
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius-md);
}

.banner_639c {
  margin-top: var(--space-lg);
  text-align: center;
}

.banner_639c img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.texture_blue_9040,
.module-tall-7c0d,
.element_7372,
.notice_simple_0d91 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.thumbnail-upper-827b {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.tiny-01ee {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.banner-3394 {
  display: block;
  padding: var(--space-sm);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
  overflow-wrap: break-word;
  margin: var(--space-sm) 0;
}

@media (max-width: 480px) {
  .banner-3394 {
    font-size: 0.625rem;
  }
}

.caption_fd1c {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

.caption_fd1c:hover {
  background: var(--color-primary-dark);
}

.west-f9ac {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  text-align: center;
}

.west-f9ac h4 {
  margin-bottom: var(--space-md);
}

.rough_9105 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ============================================
   18. SECURITY SECTION
   ============================================ */
.box_tiny_5de4 {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-text-light);
}

.narrow_2ea7 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .narrow_2ea7 {
    grid-template-columns: 1fr;
  }
}

.nav-full-897d {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.main-99fa {
  border-color: var(--color-success);
}

.button-5707 {
  border-color: var(--color-warning);
}

.footer_plasma_5802 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.main-99fa .footer_plasma_5802 {
  background: #e8f5e9;
  color: var(--color-success);
}

.button-5707 .footer_plasma_5802 {
  background: #fff3e0;
  color: var(--color-warning);
}

.nav-full-897d h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.nav-full-897d p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.status-4bb2 {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.outline_88b5 {
  margin: var(--space-xxl) 0;
}

.outline_88b5 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-md);
}

.outline_88b5 > p {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.text-smooth-6b26 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .text-smooth-6b26 {
    grid-template-columns: 1fr;
  }
}

.tabs_in_451d {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.tabs_in_451d h4 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.carousel-420c {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.carousel-420c input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 4px;
  cursor: pointer;
}

.dropdown-lower-6250 {
  margin-top: var(--space-xxl);
}

.progress_white_a34e {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.soft-f6a4 {
  text-align: center;
}

.tertiary_4cdf {
  width: 180px;
  height: 180px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}

.header-left-60a1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: white;
}

.tertiary_4cdf .popup_medium_0e79 {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

.media-copper-294c {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.preview-white-cd06 p {
  margin-bottom: var(--space-md);
}

.alert_f2ac {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .progress_white_a34e {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   19. REVIEW SECTION
   ============================================ */
.avatar_dccb {
  max-width: 600px;
  margin: 0 auto var(--space-xxl);
}

.next-a7b9 {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.table_438b {
  margin-bottom: var(--space-xl);
}

.mask-simple-4439 {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.progress-c753 {
  font-size: 2rem;
  color: #ffa000;
  letter-spacing: 4px;
  margin: var(--space-sm) 0;
}

.tertiary_95e2 {
  color: var(--color-text-light);
}

.pro_ec2d {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.secondary-hot-3220 {
  display: grid;
  grid-template-columns: 40px 1fr 50px;
  align-items: center;
  gap: var(--space-sm);
}

.module_bd6c {
  font-weight: 600;
  color: var(--color-text);
}

.active-solid-969a {
  height: 12px;
  background: var(--color-border-light);
  border-radius: 6px;
  overflow: hidden;
}

.row_dim_abf6 {
  height: 100%;
  background: linear-gradient(90deg, #ffa000 0%, #ff6f00 100%);
  transition: width var(--transition-slow);
}

.upper_784c {
  text-align: right;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.old_bd6b {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.texture_d1a2 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
}

.full_ca0f {
  border: 2px solid #4caf50;
}

.layout_679b {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.detail_6022 {
  display: flex;
  gap: var(--space-md);
  flex: 1;
}

.thumbnail_750d {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.popup_45a0 {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.hover_black_4d1b {
  display: inline-block;
  padding: 2px 8px;
  background: #4caf50;
  color: white;
  font-size: 0.75rem;
  border-radius: 10px;
  margin-left: 8px;
}

.lower-9ccf {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.video_under_b8ab {
  text-align: right;
}

.video_under_b8ab .top_c357 {
  color: #ffa000;
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.steel-dea8 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.main-static-7611 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.main-static-7611 p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.item_01fc {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.dim-cd1c {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.accent-c4c2 {
  background: #e8f5e9;
  color: #2e7d32;
}

.thumbnail-15a3 {
  background: #e3f2fd;
  color: #1565c0;
}

.border-449c {
  background: #fff3e0;
  color: #e65100;
}

.logo_gas_092b {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.logo_gas_092b span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.button-in-f130 {
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.button-in-f130:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.header-south-72cf {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.badge-5bc2 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.badge-5bc2 strong {
  color: var(--color-primary);
}

.active_98c0 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.tabs_1d75 {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   20. FAQ SECTION
   ============================================ */
.hot_3ed2 {
  max-width: 900px;
  margin: 0 auto;
}

.layout-current-4f87 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.feature-08ef {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-fast);
}

.feature-08ef:hover {
  background: var(--color-bg-alt);
}

.accent_complex_e3b7 {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.feature-08ef[aria-expanded="true"] .accent_complex_e3b7 {
  transform: rotate(180deg);
}

.focus_dc14 {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.focus_dc14 h5 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.focus_dc14 ul,
.focus_dc14 ol {
  margin: var(--space-sm) 0;
  padding-left: var(--space-lg);
}

.focus_dc14 li {
  margin-bottom: var(--space-xs);
}

.hovered-58f0 {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: #1e1e1e;
  color: #d4d4d4;
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.cold-a24d {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: #9cdcfe;
}

.hovered-58f0 code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ============================================
   21. CONCLUSION SECTION
   ============================================ */
.notice_stale_f2ce {
  max-width: 800px;
  margin: 0 auto var(--space-xxl);
  text-align: center;
}

.panel-stone-eee1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.accent-prev-44dc {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4caf50 0%, #2e7d32 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}

.texture_dfec {
  padding: 12px 24px;
  background: #4caf50;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
}

.video_971b {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .video_971b {
    grid-template-columns: 1fr;
  }
}

.alert-0b3d,
.popup_cool_e853 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.alert-0b3d {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.popup_cool_e853 {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.alert-0b3d h4,
.popup_cool_e853 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.alert-0b3d ul,
.popup_cool_e853 ul {
  list-style: none;
  padding: 0;
}

.alert-0b3d li,
.popup_cool_e853 li {
  padding: var(--space-sm) 0;
  line-height: 1.6;
}

.caption_af9b {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .caption_af9b {
    grid-template-columns: 1fr;
  }
}

.preview-a3ec {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.first_cd2b {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
}

.gallery_dba9 {
  background: linear-gradient(135deg, #f44336 0%, #e57373 100%);
  color: white;
}

.preview-a3ec h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.preview-a3ec ul {
  list-style: none;
  padding: 0;
}

.preview-a3ec li {
  padding: var(--space-xs) 0;
  color: white;
}

.glass-2207 {
  max-width: 800px;
  margin: var(--space-xxl) auto;
}

.glass-2207 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.glass-2207 p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

.title-6528 {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.primary-17c3 {
  font-style: italic;
}

.hover_stone_c32e {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.liquid-0b86 {
  margin-top: var(--space-xxl);
  padding: var(--space-xxl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  text-align: center;
  color: white;
}

.liquid-0b86 h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: white;
}

.liquid-0b86 p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  color: rgba(255,255,255,0.9);
}

.outer_00f6 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ============================================
   22. RELATED CONTENT
   ============================================ */
.north_1abf {
  padding: var(--space-xxl) 0;
  background: var(--color-bg-section);
}

.motion_1378 {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.old-88f3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .old-88f3 {
    grid-template-columns: 1fr;
  }
}

.popup-2874 {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: var(--transition-base);
}

.popup-2874:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.wrapper_14ce {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.popup-2874 h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.popup-2874 p {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ============================================
   23. FOOTER
   ============================================ */
.popup_4b0e {
  background: #212121;
  color: #e0e0e0;
  padding: var(--space-xxl) 0 var(--space-lg);
}

.active-green-0658 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

/* Footer variant: footer-content (subpages) */
.summary_b6e2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.card_d33c h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.card_d33c p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.link_28af {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link_28af li {
  margin-bottom: var(--space-xs);
}

.link_28af a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.link_28af a:hover {
  color: white;
}

.gradient_d473 {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.gradient_d473 a {
  color: #b0b0b0;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 6px 12px;
  border: 1px solid #424242;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.gradient_d473 a:hover {
  color: white;
  border-color: #666;
  background: #333;
}

.footer_ac4a {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer_ac4a a {
  color: #808080;
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.footer_ac4a a:hover {
  color: white;
}

.row_81a3 > p {
  font-size: 0.875rem;
  color: #808080;
  margin: 0;
}

@media (max-width: 768px) {
  .active-green-0658,
  .summary_b6e2 {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.next-6014 h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.tiny-5977 p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.outline-a058 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.outline-a058 .prev-b70d {
  color: #4caf50;
  font-size: 0.875rem;
}

.dropdown-action-8d7c {
  list-style: none;
  padding: 0;
}

.dropdown-action-8d7c li {
  margin-bottom: var(--space-xs);
}

.dropdown-action-8d7c a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.dropdown-action-8d7c a:hover {
  color: white;
}

.summary-brown-4579 {
  list-style: none;
  padding: 0;
}

.summary-brown-4579 li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: #b0b0b0;
}

.summary-brown-4579 a {
  color: #b0b0b0;
  text-decoration: none;
}

.summary-brown-4579 a:hover {
  color: white;
}

.row_81a3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  border-top: 1px solid #424242;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.south_fe56 p {
  font-size: 0.875rem;
  color: #808080;
  margin-bottom: var(--space-xs);
}

.south_fe56 a {
  color: #4caf50;
  text-decoration: none;
}

.table-motion-df51 {
  font-size: 0.75rem;
  color: #666666;
}

.plasma-07b5 {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: #808080;
}

.plasma-07b5 a {
  color: #808080;
  text-decoration: none;
  transition: var(--transition-fast);
}

.plasma-07b5 a:hover {
  color: white;
}

/* Element selectors: survive CMS class obfuscation on deploy */
footer > div > div:last-child > div:last-child a {
  color: #808080;
  text-decoration: none;
  transition: var(--transition-fast);
}

footer > div > div:last-child > div:last-child a:hover {
  color: white;
}

.yellow_edcc {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 600;
}

.yellow_edcc:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .row_81a3 {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   24. RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 1200px) {
  :root {
    font-size: 15px;
  }
}

@media (max-width: 968px) {
  :root {
    --space-xxl: 3rem;
  }
  
  .motion-1329 {
    font-size: 2rem;
  }
  
  .main-gas-de0f {
    font-size: 1.75rem;
  }
  
  /* Ensure all grids are single column */
  .video-motion-f0ba,
  .button_out_8783 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }
  
  .notice_fcd2,
  .narrow_2ea7,
  .silver-f864,
  .text-smooth-6b26,
  .video_971b,
  .caption_af9b,
  .old-88f3,
  .active-green-0658,
  .summary_b6e2 {
    grid-template-columns: 1fr;
  }
  
  .gradient_b4d5 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile-specific adjustments */
  .container-5b56 {
    padding: var(--space-lg) 0;
  }
  
  .card_selected_ac47 li a {
    font-size: 0.875rem;
    padding: var(--space-xs);
  }
  
  .card_selected_ac47 li a:before {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
  
  /* Improve mobile readability */
  p, li {
    font-size: 0.9375rem;
  }
  
  /* Better touch targets */
  .breadcrumb-e56f {
    min-height: 44px;
  }
  
  /* Optimize images for mobile */
  img {
    height: auto;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 1.75rem;
    --space-xxl: 2rem;
  }
  
  .gradient_b4d5 {
    grid-template-columns: 1fr;
  }
  
  .motion-f612,
  .outer_00f6,
  .rough_9105 {
    flex-direction: column;
    width: 100%;
  }
  
  .large-4a7c,
  .caption-focused-f9a7,
  .motion-f612 .breadcrumb-e56f,
  .outer_00f6 .breadcrumb-e56f {
    width: 100%;
  }
  
  /* Smaller font sizes for very small screens */
  .motion-1329 {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  .main-gas-de0f {
    font-size: 1.375rem;
  }
  
  .easy-e099 {
    font-size: 2rem;
  }
  
  /* Reduce padding on small screens */
  .progress_34dc,
  .column_selected_8549,
  .active_purple_f035,
  .texture_d1a2,
  .element-e68f {
    padding: var(--space-md);
  }
  
  /* Improve code readability on mobile */
  code,
  .banner-3394 {
    font-size: 0.625rem;
    word-break: break-all;
  }
  
  /* Better meta display */
  .dark_2f22 {
    gap: var(--space-xs);
  }
  
  .yellow_6586 {
    font-size: 0.75rem;
  }
  
  /* Optimize score circles */
  .middle_3b89 {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }
  
  .tertiary_4cdf {
    width: 150px;
    height: 150px;
  }
  
  .header-left-60a1 {
    font-size: 3rem;
  }
}

/* ============================================
   25. PRINT STYLES
   ============================================ */
@media print {
  .hidden_fcc8,
  .gradient_f422,
  .motion-f612,
  .liquid-0b86,
  .north_1abf,
  .popup_4b0e,
  .pressed-9feb {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .container-5b56 {
    page-break-inside: avoid;
  }
}

/* css-noise: c936 */
.widget-item-l7 {
  padding: 0.1rem;
  font-size: 12px;
  line-height: 1.3;
}
