/* ============================================
   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)
   ============================================ */
.narrow_9871 {
  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;
}

.narrow_9871:focus {
  top: 0;
}

/* ============================================
   3. CONTAINER & LAYOUT
   ============================================ */
.table-large-c575 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .table-large-c575 {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  .table-large-c575 {
    padding: 0 12px;
  }
}

/* Prevent horizontal overflow on all elements EXCEPT header */
*:not(.item_ed0f):not(header) {
  max-width: 100%;
}

/* Allow specific elements to exceed container */
html,
body,
.item_ed0f,
header,
.item-bd5a,
.focus-outer-c859,
.carousel-a7a8,
.slow-a687,
.hot_09e5,
.purple_20b5,
.gas-23e3 {
  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
   ============================================ */
.item_ed0f {
  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);
}

.chip_full_77f5 {
  animation: slideDown 0.3s ease-out;
}

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

/* Scrolled state */
.item_ed0f.avatar-7c09 {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 1);
}

.modal-29d3 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-md);
}

.fixed_9c58 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.image_last_f38f img {
  height: 36px;
  width: auto;
  display: block;
}

.texture_slow_9b2f {
  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;
}

.title_focused_f6e8 {
  flex: 1;
}

.slow_97bd {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.heading-up-c7b9 {
  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);
}

.heading-up-c7b9:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.heading-up-c7b9.fn-active-4bb5 {
  background: var(--color-primary);
  color: white;
}

/* Dropdown Navigation */
.accordion_dirty_a19c {
  position: relative;
}

.tiny-9a16 {
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.tiny-9a16 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） */
.accordion_dirty_a19c:hover .tiny-9a16 svg,
.tiny-9a16[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.text_a544 {
  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 */
.accordion_dirty_a19c:hover .text_a544 {
  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 */
.text_a544::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

.component-stone-a1bc {
  display: block;
  padding: 10px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.component-stone-a1bc: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 */
.component-stone-a1bc[aria-current="page"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.hero_8c1b {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Header Login Button */
.iron_3fc0 {
  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;
}

.iron_3fc0:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
  transform: translateY(-1px);
}

.iron_3fc0 svg {
  flex-shrink: 0;
}

/* Header Download Button */
.gallery_east_4fe7 {
  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;
}

.gallery_east_4fe7: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);
}

.gallery_east_4fe7 svg {
  flex-shrink: 0;
  animation: bounce 2s infinite;
}

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

.liquid_c23b {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.in-2aa0 {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

/* Hamburger animation when active */
.liquid_c23b[aria-expanded="true"] .in-2aa0:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.liquid_c23b[aria-expanded="true"] .in-2aa0:nth-child(2) {
  opacity: 0;
}

.liquid_c23b[aria-expanded="true"] .in-2aa0:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Menu */
@media (max-width: 1100px) {
  .title_focused_f6e8 {
    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 */
  }

  .title_focused_f6e8::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Edge(Chromium) */
  }
  
  .title_focused_f6e8.header_south_e1a1 {
    display: block;
    right: 0;
  }
  
  .slow_97bd {
    flex-direction: column;
    gap: 0;
  }
  
  .heading-up-c7b9 {
    display: block;
    padding: 16px 24px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  /* Mobile overlay */
  .title_focused_f6e8::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;
  }
  
  .title_focused_f6e8.header_south_e1a1::before {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 1100px) {
  .title_focused_f6e8 {
    display: none;
  }
  
  .liquid_c23b {
    display: flex;
  }
  
  .texture_slow_9b2f {
    display: none;
  }
  
  /* Adjust header buttons on tablet */
  .iron_3fc0,
  .gallery_east_4fe7 {
    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 */
  .accordion_dirty_a19c {
    position: relative;
  }
  
  .text_a544 {
    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;
  }
  
  .tiny-9a16[aria-expanded="true"] + .text_a544 {
    max-height: 320px; /* 足够容纳所有子项，展开时自然撑开 */
    margin-top: 8px;
  }
  
  .component-stone-a1bc {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  /* Stack buttons vertically or hide login on small screens */
  .hero_8c1b {
    gap: 8px;
  }
  
  .iron_3fc0 {
    display: none;
  }
  
  .gallery_east_4fe7 {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  
  .image_last_f38f img {
    height: 32px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .gallery_east_4fe7 {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }
  
  .gallery_east_4fe7 svg {
    width: 14px;
    height: 14px;
  }
  
  .modal-29d3 {
    gap: var(--space-sm);
  }
}

/* ============================================
   5. ARTICLE META BANNER
   ============================================ */
.item-bd5a {
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.overlay_6e68 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.progress-glass-d298 {
  display: flex;
  align-items: center;
  gap: 6px;
}

.progress-glass-d298 svg {
  flex-shrink: 0;
}

.progress-glass-d298 a {
  color: var(--color-primary);
  text-decoration: none;
}

.progress-glass-d298 a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .overlay_6e68 {
    font-size: 0.8125rem;
    gap: var(--space-sm);
  }
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.focus-outer-c859 {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

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

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

.bright-6a6a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.bright-6a6a a {
  color: var(--color-primary);
  text-decoration: none;
}

.bright-6a6a a:hover {
  text-decoration: underline;
}

.paragraph-109b {
  color: var(--color-text-lighter);
}

.hovered-166d {
  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) {
  .hovered-166d {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hovered-166d {
    font-size: 1.5rem;
  }
}

.table-b348 {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.short-0ed3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .short-0ed3 {
    grid-template-columns: 1fr;
  }
}

.panel-fluid-7292 {
  display: flex;
  gap: var(--space-sm);
}

.progress-374f {
  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;
}

.progress-97c7 {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.progress-97c7 strong {
  font-weight: 600;
  color: var(--color-text);
}

.progress-97c7 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.overlay_6180 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hidden-2dff {
  display: flex;
  align-items: center;
  justify-content: center;
}

.tertiary-bottom-1789 {
  position: relative;
  text-align: center;
}

.tertiary-bottom-1789 img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.main_complex_a4c7 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.photo_7b7f {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.active_current_37bf {
  color: #ffa000;
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.header_thick_04e0 {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.down-867b {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.background_21db {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 968px) {
  .west_bbac {
    grid-template-columns: 1fr;
  }
  
  .hovered-166d {
    font-size: 1.75rem;
  }
  
  .hidden-2dff {
    order: -1;
    max-width: 100%;
  }
  
  .tertiary-bottom-1789 {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .hovered-166d {
    font-size: 1.5rem;
  }
  
  .table-b348 {
    font-size: 1rem;
  }
  
  .bright-6a6a {
    font-size: 0.8125rem;
    flex-wrap: wrap;
  }
  
  .tertiary-bottom-1789 {
    max-width: 250px;
  }
}

/* ============================================
   7. BUTTONS
   ============================================ */
.center_a077 {
  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;
}

.motion_0f41 {
  background: var(--color-primary);
  color: white;
}

.motion_0f41:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.clean_1840 {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.clean_1840:hover {
  background: var(--color-primary);
  color: white;
}

.accordion-47fd {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.accordion-47fd:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.highlight_center_f412 {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.west-db95 {
  padding: 20px 40px;
  font-size: 1.25rem;
}

/* ============================================
   8. STATS SECTION
   ============================================ */
.carousel-a7a8 {
  padding: var(--space-xl) 0;
  background: white;
}

.popup-bright-bea7 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.input-6fa1 {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.input-6fa1:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.accent-green-694e {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.gradient-9178 {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.gallery_cold_7897 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   9. TABLE OF CONTENTS
   ============================================ */
.slow-a687 {
  padding: var(--space-xl) 0;
  background: var(--color-bg-section);
}

.hard_ca4e {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.focused_cc75 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.accent-blue-d56a {
  list-style: none;
  counter-reset: toc-counter;
}

.accent-blue-d56a li {
  counter-increment: toc-counter;
  margin-bottom: var(--space-sm);
}

.accent-blue-d56a 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);
}

.accent-blue-d56a 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;
}

.accent-blue-d56a li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ============================================
   10. CONTENT SECTIONS
   ============================================ */
.hot_09e5 {
  padding: var(--space-xxl) 0;
}

.gallery_cdf0 {
  background: var(--color-bg-section);
}

.silver-018d {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.label_0485 {
  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);
}

.focus-404b {
  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);
}

.panel-e7e1 {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.tabs_614b {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-xl);
  width: 100%;
}

@media (max-width: 1200px) {
  .tabs_614b {
    grid-template-columns: 1fr 300px;
  }
}

.tertiary_5673 {
  max-width: 750px;
  width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.tertiary_5673 img {
  max-width: 100%;
  height: auto;
  display: block;
}

.tertiary_5673 pre,
.tertiary_5673 code {
  overflow-x: auto;
  max-width: 100%;
}

.tertiary_5673 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);
}

.tertiary_5673 h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text);
}

.tertiary_5673 h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.tertiary_5673 p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.tertiary_5673 ul,
.tertiary_5673 ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.tertiary_5673 li {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.tertiary_5673 strong {
  font-weight: 600;
  color: var(--color-text);
}

.tertiary_5673 a {
  color: var(--color-primary);
  text-decoration: underline;
}

.tertiary_5673 a:hover {
  color: var(--color-primary-dark);
}

.steel_9d53 {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
}

.steel_9d53 li {
  counter-increment: list-counter;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: var(--space-md);
}

.steel_9d53 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) {
  .tabs_614b {
    grid-template-columns: 1fr;
  }
  
  .focus-404b {
    font-size: 1.75rem;
  }
  
  .tertiary_5673 {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .focus-404b {
    font-size: 1.5rem;
  }
  
  .tertiary_5673 h3 {
    font-size: 1.375rem;
  }
  
  .tertiary_5673 h4 {
    font-size: 1.125rem;
  }
}

/* ============================================
   11. INFO BOXES
   ============================================ */
.prev_3521 {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  border-left: 4px solid;
}

.modal_02ff {
  background: #fff3e0;
  border-color: var(--color-warning);
}

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

.frame_6e7e {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.detail-down-7cdb strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

/* ============================================
   12. AUTHOR NOTE
   ============================================ */
.feature_north_7b87 {
  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;
}

.feature_pink_74b9 {
  flex-shrink: 0;
}

.component_brown_fc94 strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

/* ============================================
   13. TABLES
   ============================================ */
.under_cb6c {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .under_cb6c {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
    border-radius: 0;
  }
}

.title_e2bb,
.hidden-next-8de5,
.primary-c3b8 {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.title_e2bb thead,
.hidden-next-8de5 thead {
  background: var(--color-primary);
  color: white;
}

.title_e2bb th,
.title_e2bb td,
.hidden-next-8de5 th,
.hidden-next-8de5 td,
.primary-c3b8 th,
.primary-c3b8 td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .title_e2bb th,
  .title_e2bb td,
  .hidden-next-8de5 th,
  .hidden-next-8de5 td,
  .primary-c3b8 th,
  .primary-c3b8 td {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  .title_e2bb,
  .hidden-next-8de5,
  .primary-c3b8 {
    min-width: 600px;
  }
}

.title_e2bb th,
.hidden-next-8de5 th,
.primary-c3b8 th {
  font-weight: 600;
}

.title_e2bb tbody tr:hover,
.hidden-next-8de5 tbody tr:hover,
.primary-c3b8 tbody tr:hover {
  background: var(--color-bg-alt);
}

.popup_lower_de35 {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ============================================
   14. SIDEBAR
   ============================================ */
.bottom-1345 {
  position: sticky;
  top: 80px;
  align-self: start;
}

.logo_6bb7 {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.logo_6bb7 h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.photo_c92d {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.photo_c92d h4 {
  color: white;
}

.small-20af {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.thumbnail-93ab {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.thumbnail-93ab:last-child {
  border-bottom: none;
}

.thumbnail-93ab dt {
  font-weight: 600;
  color: var(--color-text-light);
}

.thumbnail-93ab dd {
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
}

.slider_top_65c2 {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

.shadow_5dbd {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-md);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.shadow_5dbd:hover {
  text-decoration: underline;
}

.mask-narrow-c0cc {
  text-align: center;
  margin-bottom: var(--space-md);
}

.in-fb1d {
  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);
}

.in-fb1d span {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.sidebar-e731 {
  font-weight: 600;
  color: white;
}

.purple_d54f {
  list-style: none;
  padding: 0;
}

.purple_d54f li {
  padding: var(--space-xs) 0;
}

.slider_middle_5804 {
  color: #4caf50;
}

.outline_upper_ec74 {
  color: #ff9800;
}

.description-lower-1663 {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.plasma_61c2 {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: var(--space-sm);
}

.static_710e {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.red-5a4a {
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}

.shadow-34ea {
  height: 100%;
  background: linear-gradient(90deg, #4caf50 0%, #8bc34a 100%);
  transition: width var(--transition-slow);
}

.focused-ab71 {
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
}

/* ============================================
   15. FEATURE GRID
   ============================================ */
.chip-1b88 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .chip-1b88 {
    grid-template-columns: 1fr;
  }
}

.fluid-e67c {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
}

.fluid-e67c:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.center-6e8c {
  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;
}

.fluid-e67c h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.fluid-e67c p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.shadow_0dc2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.sidebar-e731 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.detail_42bb {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}

.disabled_dark_5fae {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.disabled_dark_5fae h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

/* ============================================
   16. COMPARISON & DECISION HELPER
   ============================================ */
.advanced-1410 {
  max-width: 900px;
  margin: 0 auto;
}

.module-cd87 {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-light);
}

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

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

.secondary_8df0 {
  margin-top: var(--space-xxl);
}

.secondary_8df0 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.accordion_new_1af9 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .accordion_new_1af9 {
    grid-template-columns: 1fr;
  }
}

.gallery_7c05 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.blue_f784 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

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

.gallery_7c05 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.gallery_7c05 ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.gallery_7c05 li {
  padding: var(--space-xs) 0;
  color: white;
}

.gallery_7c05 .center_a077 {
  width: 100%;
  background: white;
}

.blue_f784 .center_a077 {
  color: #667eea;
}

.badge-ffde .center_a077 {
  color: #f5576c;
}

/* ============================================
   17. TUTORIAL / STEPS
   ============================================ */
.outline-12d7 {
  max-width: 900px;
  margin: 0 auto;
}

.solid-f001 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.box_gas_85f0 {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.upper-9b8c {
  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);
}

.box_gas_85f0 h3 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
}

.texture-warm-a0fa {
  padding: var(--space-xl);
}

@media (max-width: 768px) {
  .box_gas_85f0 {
    padding: var(--space-md);
  }
  
  .texture-warm-a0fa {
    padding: var(--space-md);
  }
  
  .chip-small-3e9a {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
  }
}

.description-f107 ol,
.description-f107 ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.description-f107 li {
  margin-bottom: var(--space-sm);
}

.description-f107 code {
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

.footer-33c6 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #fff3e0;
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
}

.menu-bd24 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #ffebee;
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius-md);
}

.chip-small-3e9a {
  margin-top: var(--space-lg);
  text-align: center;
}

.chip-small-3e9a img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.right-b10c,
.hovered_9606,
.chip-bronze-e0fc,
.footer_95c1 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.aside-outer-a368 {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.next-a363 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.advanced_e70f {
  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) {
  .advanced_e70f {
    font-size: 0.625rem;
  }
}

.grid_east_b11c {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

.grid_east_b11c:hover {
  background: var(--color-primary-dark);
}

.top_d02d {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  text-align: center;
}

.top_d02d h4 {
  margin-bottom: var(--space-md);
}

.huge-9d50 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ============================================
   18. SECURITY SECTION
   ============================================ */
.top_d933 {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-text-light);
}

.dirty_5558 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .dirty_5558 {
    grid-template-columns: 1fr;
  }
}

.gradient-purple-62e3 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.row_large_8504 {
  border-color: var(--color-success);
}

.preview_9c62 {
  border-color: var(--color-warning);
}

.gradient_top_dbd2 {
  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);
}

.row_large_8504 .gradient_top_dbd2 {
  background: #e8f5e9;
  color: var(--color-success);
}

.preview_9c62 .gradient_top_dbd2 {
  background: #fff3e0;
  color: var(--color-warning);
}

.gradient-purple-62e3 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.gradient-purple-62e3 p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.prev-5cdb {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.item-15c8 {
  margin: var(--space-xxl) 0;
}

.item-15c8 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-md);
}

.item-15c8 > p {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.yellow-8654 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .yellow-8654 {
    grid-template-columns: 1fr;
  }
}

.media-4102 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.media-4102 h4 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.description_white_df29 {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.description_white_df29 input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 4px;
  cursor: pointer;
}

.motion-113f {
  margin-top: var(--space-xxl);
}

.input_5941 {
  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);
}

.heading_static_f4c6 {
  text-align: center;
}

.pro_4553 {
  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);
}

.disabled_down_dea8 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: white;
}

.pro_4553 .sidebar-e731 {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

.tag-dfd7 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.notice_inner_73a9 p {
  margin-bottom: var(--space-md);
}

.detail_over_9451 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .input_5941 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   19. REVIEW SECTION
   ============================================ */
.mask_gas_c791 {
  max-width: 600px;
  margin: 0 auto var(--space-xxl);
}

.caption_down_a4d8 {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.complex_8841 {
  margin-bottom: var(--space-xl);
}

.hovered_e534 {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.text-light-8407 {
  font-size: 2rem;
  color: #ffa000;
  letter-spacing: 4px;
  margin: var(--space-sm) 0;
}

.progress-middle-bd67 {
  color: var(--color-text-light);
}

.complex-e74c {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.box_967c {
  display: grid;
  grid-template-columns: 40px 1fr 50px;
  align-items: center;
  gap: var(--space-sm);
}

.texture_a2ed {
  font-weight: 600;
  color: var(--color-text);
}

.container_ac11 {
  height: 12px;
  background: var(--color-border-light);
  border-radius: 6px;
  overflow: hidden;
}

.tabs_1afe {
  height: 100%;
  background: linear-gradient(90deg, #ffa000 0%, #ff6f00 100%);
  transition: width var(--transition-slow);
}

.badge_selected_42ad {
  text-align: right;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.banner_5967 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.primary_9e97 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
}

.dropdown-224f {
  border: 2px solid #4caf50;
}

.hero_wood_e875 {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.clean_446a {
  display: flex;
  gap: var(--space-md);
  flex: 1;
}

.nav-soft-6756 {
  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;
}

.active-7333 {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

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

.action_04a9 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.section_8cfc {
  text-align: right;
}

.section_8cfc .module-white-bf3a {
  color: #ffa000;
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.focus-liquid-0f4f {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.hot-7e4b h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.hot-7e4b p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.article_fce1 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.element_49bf {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.gallery-dim-2d02 {
  background: #e8f5e9;
  color: #2e7d32;
}

.title-9700 {
  background: #e3f2fd;
  color: #1565c0;
}

.aside_2f95 {
  background: #fff3e0;
  color: #e65100;
}

.frame-6998 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.frame-6998 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.fluid-2887 {
  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);
}

.fluid-2887:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.left_07cf {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.orange_f7ec {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.orange_f7ec strong {
  color: var(--color-primary);
}

.huge-34d2 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.box-1ba1 {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   20. FAQ SECTION
   ============================================ */
.image-pro-40cc {
  max-width: 900px;
  margin: 0 auto;
}

.first_2453 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.sidebar_6eff {
  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);
}

.sidebar_6eff:hover {
  background: var(--color-bg-alt);
}

.hero-solid-ec37 {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.sidebar_6eff[aria-expanded="true"] .hero-solid-ec37 {
  transform: rotate(180deg);
}

.accordion_6645 {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.accordion_6645 h5 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.accordion_6645 ul,
.accordion_6645 ol {
  margin: var(--space-sm) 0;
  padding-left: var(--space-lg);
}

.accordion_6645 li {
  margin-bottom: var(--space-xs);
}

.soft-77b1 {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: #1e1e1e;
  color: #d4d4d4;
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.content_5cd0 {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: #9cdcfe;
}

.soft-77b1 code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ============================================
   21. CONCLUSION SECTION
   ============================================ */
.steel-2e57 {
  max-width: 800px;
  margin: 0 auto var(--space-xxl);
  text-align: center;
}

.progress-67b3 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.sort-9f1c {
  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);
}

.tabs-d33c {
  padding: 12px 24px;
  background: #4caf50;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
}

.purple-e604 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .purple-e604 {
    grid-template-columns: 1fr;
  }
}

.aside-inner-4bfc,
.input_d56e {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.aside-inner-4bfc {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.input_d56e {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.aside-inner-4bfc h4,
.input_d56e h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.aside-inner-4bfc ul,
.input_d56e ul {
  list-style: none;
  padding: 0;
}

.aside-inner-4bfc li,
.input_d56e li {
  padding: var(--space-sm) 0;
  line-height: 1.6;
}

.backdrop_tiny_c77e {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .backdrop_tiny_c77e {
    grid-template-columns: 1fr;
  }
}

.backdrop-focused-bd12 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.menu-a475 {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
}

.overlay-66bc {
  background: linear-gradient(135deg, #f44336 0%, #e57373 100%);
  color: white;
}

.backdrop-focused-bd12 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.backdrop-focused-bd12 ul {
  list-style: none;
  padding: 0;
}

.backdrop-focused-bd12 li {
  padding: var(--space-xs) 0;
  color: white;
}

.tertiary-motion-f780 {
  max-width: 800px;
  margin: var(--space-xxl) auto;
}

.tertiary-motion-f780 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.tertiary-motion-f780 p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

.next_86c1 {
  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);
}

.popup-2f87 {
  font-style: italic;
}

.aside_clean_0517 {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.north_1809 {
  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;
}

.north_1809 h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: white;
}

.north_1809 p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  color: rgba(255,255,255,0.9);
}

.right_c3a4 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ============================================
   22. RELATED CONTENT
   ============================================ */
.purple_20b5 {
  padding: var(--space-xxl) 0;
  background: var(--color-bg-section);
}

.thumbnail_0d1a {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.secondary_north_d1c2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .secondary_north_d1c2 {
    grid-template-columns: 1fr;
  }
}

.list-in-fd35 {
  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);
}

.list-in-fd35:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.notice_up_76d6 {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.list-in-fd35 h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.list-in-fd35 p {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ============================================
   23. FOOTER
   ============================================ */
.gas-23e3 {
  background: #212121;
  color: #e0e0e0;
  padding: var(--space-xxl) 0 var(--space-lg);
}

.popup_0d8d {
  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) */
.tertiary_e93f {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.east-145a h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.east-145a p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.secondary_thick_d7f2 {
  list-style: none;
  padding: 0;
  margin: 0;
}

.secondary_thick_d7f2 li {
  margin-bottom: var(--space-xs);
}

.secondary_thick_d7f2 a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.secondary_thick_d7f2 a:hover {
  color: white;
}

.layout_smooth_945b {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.layout_smooth_945b 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);
}

.layout_smooth_945b a:hover {
  color: white;
  border-color: #666;
  background: #333;
}

.dropdown_light_74cc {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.dropdown_light_74cc a {
  color: #808080;
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.dropdown_light_74cc a:hover {
  color: white;
}

.up_9c79 > p {
  font-size: 0.875rem;
  color: #808080;
  margin: 0;
}

@media (max-width: 768px) {
  .popup_0d8d,
  .tertiary_e93f {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.south-7f0b h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.label-4314 p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.title_a295 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.title_a295 .panel-fluid-7292 {
  color: #4caf50;
  font-size: 0.875rem;
}

.logo-middle-d1b9 {
  list-style: none;
  padding: 0;
}

.logo-middle-d1b9 li {
  margin-bottom: var(--space-xs);
}

.logo-middle-d1b9 a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.logo-middle-d1b9 a:hover {
  color: white;
}

.prev_3c81 {
  list-style: none;
  padding: 0;
}

.prev_3c81 li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: #b0b0b0;
}

.prev_3c81 a {
  color: #b0b0b0;
  text-decoration: none;
}

.prev_3c81 a:hover {
  color: white;
}

.up_9c79 {
  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);
}

.detail-f811 p {
  font-size: 0.875rem;
  color: #808080;
  margin-bottom: var(--space-xs);
}

.detail-f811 a {
  color: #4caf50;
  text-decoration: none;
}

.panel-solid-bb9b {
  font-size: 0.75rem;
  color: #666666;
}

.dim-3b83 {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: #808080;
}

.dim-3b83 a {
  color: #808080;
  text-decoration: none;
  transition: var(--transition-fast);
}

.dim-3b83 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;
}

.card_bright_68ed {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 600;
}

.card_bright_68ed:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .up_9c79 {
    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;
  }
  
  .hovered-166d {
    font-size: 2rem;
  }
  
  .focus-404b {
    font-size: 1.75rem;
  }
  
  /* Ensure all grids are single column */
  .west_bbac,
  .tabs_614b {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }
  
  .chip-1b88,
  .dirty_5558,
  .accordion_new_1af9,
  .yellow-8654,
  .purple-e604,
  .backdrop_tiny_c77e,
  .secondary_north_d1c2,
  .popup_0d8d,
  .tertiary_e93f {
    grid-template-columns: 1fr;
  }
  
  .popup-bright-bea7 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile-specific adjustments */
  .hot_09e5 {
    padding: var(--space-lg) 0;
  }
  
  .accent-blue-d56a li a {
    font-size: 0.875rem;
    padding: var(--space-xs);
  }
  
  .accent-blue-d56a li a:before {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
  
  /* Improve mobile readability */
  p, li {
    font-size: 0.9375rem;
  }
  
  /* Better touch targets */
  .center_a077 {
    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;
  }
  
  .popup-bright-bea7 {
    grid-template-columns: 1fr;
  }
  
  .overlay_6180,
  .right_c3a4,
  .huge-9d50 {
    flex-direction: column;
    width: 100%;
  }
  
  .highlight_center_f412,
  .west-db95,
  .overlay_6180 .center_a077,
  .right_c3a4 .center_a077 {
    width: 100%;
  }
  
  /* Smaller font sizes for very small screens */
  .hovered-166d {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  .focus-404b {
    font-size: 1.375rem;
  }
  
  .accent-green-694e {
    font-size: 2rem;
  }
  
  /* Reduce padding on small screens */
  .input-6fa1,
  .fluid-e67c,
  .logo_6bb7,
  .primary_9e97,
  .solid-f001 {
    padding: var(--space-md);
  }
  
  /* Improve code readability on mobile */
  code,
  .advanced_e70f {
    font-size: 0.625rem;
    word-break: break-all;
  }
  
  /* Better meta display */
  .overlay_6e68 {
    gap: var(--space-xs);
  }
  
  .progress-glass-d298 {
    font-size: 0.75rem;
  }
  
  /* Optimize score circles */
  .in-fb1d {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }
  
  .pro_4553 {
    width: 150px;
    height: 150px;
  }
  
  .disabled_down_dea8 {
    font-size: 3rem;
  }
}

/* ============================================
   25. PRINT STYLES
   ============================================ */
@media print {
  .item_ed0f,
  .item-bd5a,
  .overlay_6180,
  .north_1809,
  .purple_20b5,
  .gas-23e3,
  .liquid_c23b {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .hot_09e5 {
    page-break-inside: avoid;
  }
}

/* css-noise: 2089 */
.widget-item-b6 {
  padding: 0.3rem;
  font-size: 14px;
  line-height: 1.3;
}
