/* ============================================
   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)
   ============================================ */
.disabled-f1fd {
  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;
}

.disabled-f1fd:focus {
  top: 0;
}

/* ============================================
   3. CONTAINER & LAYOUT
   ============================================ */
.wrapper-rough-8cb5 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .wrapper-rough-8cb5 {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  .wrapper-rough-8cb5 {
    padding: 0 12px;
  }
}

/* Prevent horizontal overflow on all elements EXCEPT header */
*:not(.thumbnail-cfa4):not(header) {
  max-width: 100%;
}

/* Allow specific elements to exceed container */
html,
body,
.thumbnail-cfa4,
header,
.hero-first-dacf,
.disabled_bottom_6912,
.frame_ab78,
.accordion-4504,
.surface-simple-465b,
.texture_29d2,
.inner_2a24 {
  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
   ============================================ */
.thumbnail-cfa4 {
  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);
}

.down-10b9 {
  animation: slideDown 0.3s ease-out;
}

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

/* Scrolled state */
.thumbnail-cfa4.element_8fb3 {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 1);
}

.advanced_4f00 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-md);
}

.chip_e83f {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.fixed_1fa3 img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-warm-7f4b {
  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;
}

.border-action-1f4d {
  flex: 1;
}

.background-dynamic-4bb8 {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.caption_upper_8690 {
  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);
}

.caption_upper_8690:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.caption_upper_8690.fn-active-8e6e {
  background: var(--color-primary);
  color: white;
}

/* Dropdown Navigation */
.banner-5513 {
  position: relative;
}

.active_fixed_6313 {
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.active_fixed_6313 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） */
.banner-5513:hover .active_fixed_6313 svg,
.active_fixed_6313[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.icon-5081 {
  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 */
.banner-5513:hover .icon-5081 {
  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 */
.icon-5081::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

.container-hot-6ec9 {
  display: block;
  padding: 10px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.container-hot-6ec9: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 */
.container-hot-6ec9[aria-current="page"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.small-50e9 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Header Login Button */
.column-under-eda9 {
  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;
}

.column-under-eda9:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
  transform: translateY(-1px);
}

.column-under-eda9 svg {
  flex-shrink: 0;
}

/* Header Download Button */
.overlay_ad1e {
  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;
}

.overlay_ad1e: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);
}

.overlay_ad1e svg {
  flex-shrink: 0;
  animation: bounce 2s infinite;
}

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

.mask-down-b606 {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

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

/* Hamburger animation when active */
.mask-down-b606[aria-expanded="true"] .pro-bcba:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mask-down-b606[aria-expanded="true"] .pro-bcba:nth-child(2) {
  opacity: 0;
}

.mask-down-b606[aria-expanded="true"] .pro-bcba:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Menu */
@media (max-width: 1100px) {
  .border-action-1f4d {
    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 */
  }

  .border-action-1f4d::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Edge(Chromium) */
  }
  
  .border-action-1f4d.liquid-ee6b {
    display: block;
    right: 0;
  }
  
  .background-dynamic-4bb8 {
    flex-direction: column;
    gap: 0;
  }
  
  .caption_upper_8690 {
    display: block;
    padding: 16px 24px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  /* Mobile overlay */
  .border-action-1f4d::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;
  }
  
  .border-action-1f4d.liquid-ee6b::before {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 1100px) {
  .border-action-1f4d {
    display: none;
  }
  
  .mask-down-b606 {
    display: flex;
  }
  
  .nav-warm-7f4b {
    display: none;
  }
  
  /* Adjust header buttons on tablet */
  .column-under-eda9,
  .overlay_ad1e {
    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 */
  .banner-5513 {
    position: relative;
  }
  
  .icon-5081 {
    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;
  }
  
  .active_fixed_6313[aria-expanded="true"] + .icon-5081 {
    max-height: 320px; /* 足够容纳所有子项，展开时自然撑开 */
    margin-top: 8px;
  }
  
  .container-hot-6ec9 {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  /* Stack buttons vertically or hide login on small screens */
  .small-50e9 {
    gap: 8px;
  }
  
  .column-under-eda9 {
    display: none;
  }
  
  .overlay_ad1e {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  
  .fixed_1fa3 img {
    height: 32px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .overlay_ad1e {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }
  
  .overlay_ad1e svg {
    width: 14px;
    height: 14px;
  }
  
  .advanced_4f00 {
    gap: var(--space-sm);
  }
}

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

.title-f63b {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.tag_61ea {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tag_61ea svg {
  flex-shrink: 0;
}

.tag_61ea a {
  color: var(--color-primary);
  text-decoration: none;
}

.tag_61ea a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .title-f63b {
    font-size: 0.8125rem;
    gap: var(--space-sm);
  }
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.disabled_bottom_6912 {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.shadow-b10d {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}

@media (max-width: 1024px) {
  .shadow-b10d {
    grid-template-columns: 1fr 350px;
    gap: var(--space-lg);
  }
}

.east_986e {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.east_986e a {
  color: var(--color-primary);
  text-decoration: none;
}

.east_986e a:hover {
  text-decoration: underline;
}

.disabled-0318 {
  color: var(--color-text-lighter);
}

.background_prev_75a0 {
  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) {
  .background_prev_75a0 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .background_prev_75a0 {
    font-size: 1.5rem;
  }
}

.column_3021 {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.modal_clean_9d20 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .modal_clean_9d20 {
    grid-template-columns: 1fr;
  }
}

.input-2b52 {
  display: flex;
  gap: var(--space-sm);
}

.bright-29e2 {
  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;
}

.highlight_8b56 {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.highlight_8b56 strong {
  font-weight: 600;
  color: var(--color-text);
}

.highlight_8b56 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.tabs-2f21 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.white-91ec {
  display: flex;
  align-items: center;
  justify-content: center;
}

.notification-bbeb {
  position: relative;
  text-align: center;
}

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

.light_3a5b {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.pro_1ba9 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.caption_3300 {
  color: #ffa000;
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.mask-focused-b9d3 {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.fast_74c9 {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.panel-e225 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 968px) {
  .shadow-b10d {
    grid-template-columns: 1fr;
  }
  
  .background_prev_75a0 {
    font-size: 1.75rem;
  }
  
  .white-91ec {
    order: -1;
    max-width: 100%;
  }
  
  .notification-bbeb {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .background_prev_75a0 {
    font-size: 1.5rem;
  }
  
  .column_3021 {
    font-size: 1rem;
  }
  
  .east_986e {
    font-size: 0.8125rem;
    flex-wrap: wrap;
  }
  
  .notification-bbeb {
    max-width: 250px;
  }
}

/* ============================================
   7. BUTTONS
   ============================================ */
.down-6898 {
  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;
}

.top-d67c {
  background: var(--color-primary);
  color: white;
}

.top-d67c:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.summary-bottom-f754 {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.summary-bottom-f754:hover {
  background: var(--color-primary);
  color: white;
}

.accent-dynamic-36ec {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.accent-dynamic-36ec:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.avatar-e690 {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.row_cool_06c0 {
  padding: 20px 40px;
  font-size: 1.25rem;
}

/* ============================================
   8. STATS SECTION
   ============================================ */
.frame_ab78 {
  padding: var(--space-xl) 0;
  background: white;
}

.narrow_a1c2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.white_cf60 {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.white_cf60:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.center_5cd5 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.white-6d9b {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.gas-72c7 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   9. TABLE OF CONTENTS
   ============================================ */
.accordion-4504 {
  padding: var(--space-xl) 0;
  background: var(--color-bg-section);
}

.gas-4dca {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.breadcrumb-eba5 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.in_f345 {
  list-style: none;
  counter-reset: toc-counter;
}

.in_f345 li {
  counter-increment: toc-counter;
  margin-bottom: var(--space-sm);
}

.in_f345 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);
}

.in_f345 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;
}

.in_f345 li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ============================================
   10. CONTENT SECTIONS
   ============================================ */
.surface-simple-465b {
  padding: var(--space-xxl) 0;
}

.panel_84ee {
  background: var(--color-bg-section);
}

.label-small-fe5b {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.iron_da6a {
  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);
}

.center-84c2 {
  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);
}

.button_1ebd {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.slow_95d0 {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-xl);
  width: 100%;
}

@media (max-width: 1200px) {
  .slow_95d0 {
    grid-template-columns: 1fr 300px;
  }
}

.stale_c667 {
  max-width: 750px;
  width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.stale_c667 img {
  max-width: 100%;
  height: auto;
  display: block;
}

.stale_c667 pre,
.stale_c667 code {
  overflow-x: auto;
  max-width: 100%;
}

.stale_c667 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);
}

.stale_c667 h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text);
}

.stale_c667 h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.stale_c667 p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.stale_c667 ul,
.stale_c667 ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.stale_c667 li {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.stale_c667 strong {
  font-weight: 600;
  color: var(--color-text);
}

.stale_c667 a {
  color: var(--color-primary);
  text-decoration: underline;
}

.stale_c667 a:hover {
  color: var(--color-primary-dark);
}

.nav_aee7 {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
}

.nav_aee7 li {
  counter-increment: list-counter;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: var(--space-md);
}

.nav_aee7 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) {
  .slow_95d0 {
    grid-template-columns: 1fr;
  }
  
  .center-84c2 {
    font-size: 1.75rem;
  }
  
  .stale_c667 {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .center-84c2 {
    font-size: 1.5rem;
  }
  
  .stale_c667 h3 {
    font-size: 1.375rem;
  }
  
  .stale_c667 h4 {
    font-size: 1.125rem;
  }
}

/* ============================================
   11. INFO BOXES
   ============================================ */
.caption-hovered-209c {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  border-left: 4px solid;
}

.accent-narrow-1d10 {
  background: #fff3e0;
  border-color: var(--color-warning);
}

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

.mini-fe01 {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-c4a7 strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

/* ============================================
   12. AUTHOR NOTE
   ============================================ */
.modal_66b4 {
  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;
}

.disabled_2b63 {
  flex-shrink: 0;
}

.module_2d1a strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

/* ============================================
   13. TABLES
   ============================================ */
.solid-46c2 {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .solid-46c2 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
    border-radius: 0;
  }
}

.sort_under_6b8d,
.last_1459,
.column_wide_6d17 {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sort_under_6b8d thead,
.last_1459 thead {
  background: var(--color-primary);
  color: white;
}

.sort_under_6b8d th,
.sort_under_6b8d td,
.last_1459 th,
.last_1459 td,
.column_wide_6d17 th,
.column_wide_6d17 td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .sort_under_6b8d th,
  .sort_under_6b8d td,
  .last_1459 th,
  .last_1459 td,
  .column_wide_6d17 th,
  .column_wide_6d17 td {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  .sort_under_6b8d,
  .last_1459,
  .column_wide_6d17 {
    min-width: 600px;
  }
}

.sort_under_6b8d th,
.last_1459 th,
.column_wide_6d17 th {
  font-weight: 600;
}

.sort_under_6b8d tbody tr:hover,
.last_1459 tbody tr:hover,
.column_wide_6d17 tbody tr:hover {
  background: var(--color-bg-alt);
}

.form_1a0a {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ============================================
   14. SIDEBAR
   ============================================ */
.search-4866 {
  position: sticky;
  top: 80px;
  align-self: start;
}

.summary-979a {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.summary-979a h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.element_8d36 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.element_8d36 h4 {
  color: white;
}

.badge-center-8254 {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.light_a62f {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.light_a62f:last-child {
  border-bottom: none;
}

.light_a62f dt {
  font-weight: 600;
  color: var(--color-text-light);
}

.light_a62f dd {
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
}

.orange_d37e {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

.surface-f9c9 {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-md);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.surface-f9c9:hover {
  text-decoration: underline;
}

.hot-3fd6 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.logo-c53c {
  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);
}

.logo-c53c span {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.alert_4225 {
  font-weight: 600;
  color: white;
}

.soft_94f7 {
  list-style: none;
  padding: 0;
}

.soft_94f7 li {
  padding: var(--space-xs) 0;
}

.gradient-advanced-fd2b {
  color: #4caf50;
}

.status-left-6830 {
  color: #ff9800;
}

.lower_8e29 {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.overlay-orange-92d2 {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: var(--space-sm);
}

.accent_887d {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.hot_947f {
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}

.media-focused-bec1 {
  height: 100%;
  background: linear-gradient(90deg, #4caf50 0%, #8bc34a 100%);
  transition: width var(--transition-slow);
}

.overlay-b1ff {
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
}

/* ============================================
   15. FEATURE GRID
   ============================================ */
.warm-41d4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .warm-41d4 {
    grid-template-columns: 1fr;
  }
}

.button-7bde {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
}

.button-7bde:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.popup_ba3c {
  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;
}

.button-7bde h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.button-7bde p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.breadcrumb-580e {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.alert_4225 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.glass_2c52 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}

.component_ecc1 {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.component_ecc1 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

/* ============================================
   16. COMPARISON & DECISION HELPER
   ============================================ */
.small_545d {
  max-width: 900px;
  margin: 0 auto;
}

.search_e0dc {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.dirty_6e3e {
  margin: var(--space-xl) 0;
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .dirty_6e3e {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
  }
}

.tiny_4039 {
  margin-top: var(--space-xxl);
}

.tiny_4039 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.secondary_1563 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .secondary_1563 {
    grid-template-columns: 1fr;
  }
}

.slow_12d5 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.primary-east-2a10 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.container-dirty-096e {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.slow_12d5 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.slow_12d5 ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.slow_12d5 li {
  padding: var(--space-xs) 0;
  color: white;
}

.slow_12d5 .down-6898 {
  width: 100%;
  background: white;
}

.primary-east-2a10 .down-6898 {
  color: #667eea;
}

.container-dirty-096e .down-6898 {
  color: #f5576c;
}

/* ============================================
   17. TUTORIAL / STEPS
   ============================================ */
.solid-b15d {
  max-width: 900px;
  margin: 0 auto;
}

.video-active-4ceb {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.filter_1eb8 {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.header_action_8bd7 {
  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);
}

.filter_1eb8 h3 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
}

.medium-21cc {
  padding: var(--space-xl);
}

@media (max-width: 768px) {
  .filter_1eb8 {
    padding: var(--space-md);
  }
  
  .medium-21cc {
    padding: var(--space-md);
  }
  
  .right_a2fd {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
  }
}

.tiny_2a20 ol,
.tiny_2a20 ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.tiny_2a20 li {
  margin-bottom: var(--space-sm);
}

.tiny_2a20 code {
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

.basic_edf6 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #fff3e0;
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
}

.secondary-tall-718f {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #ffebee;
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius-md);
}

.right_a2fd {
  margin-top: var(--space-lg);
  text-align: center;
}

.right_a2fd img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.outer_007d,
.header_1c42,
.wood_7e00,
.soft_eb52 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.article_015d {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.old_6981 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.bronze-7269 {
  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) {
  .bronze-7269 {
    font-size: 0.625rem;
  }
}

.border-dynamic-7336 {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

.border-dynamic-7336:hover {
  background: var(--color-primary-dark);
}

.progress_blue_39de {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  text-align: center;
}

.progress_blue_39de h4 {
  margin-bottom: var(--space-md);
}

.preview_dirty_00db {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ============================================
   18. SECURITY SECTION
   ============================================ */
.hover_purple_7fed {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-text-light);
}

.backdrop_8a45 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .backdrop_8a45 {
    grid-template-columns: 1fr;
  }
}

.sort-18ec {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.caption_a125 {
  border-color: var(--color-success);
}

.hero-9c02 {
  border-color: var(--color-warning);
}

.highlight_b9cc {
  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);
}

.caption_a125 .highlight_b9cc {
  background: #e8f5e9;
  color: var(--color-success);
}

.hero-9c02 .highlight_b9cc {
  background: #fff3e0;
  color: var(--color-warning);
}

.sort-18ec h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.sort-18ec p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.hero_dirty_f390 {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.over-12b0 {
  margin: var(--space-xxl) 0;
}

.over-12b0 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-md);
}

.over-12b0 > p {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.pattern-action-3fe4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .pattern-action-3fe4 {
    grid-template-columns: 1fr;
  }
}

.wood_48f7 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.wood_48f7 h4 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.shade-2e67 {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.shade-2e67 input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 4px;
  cursor: pointer;
}

.motion_bb88 {
  margin-top: var(--space-xxl);
}

.section-12b5 {
  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);
}

.static-d572 {
  text-align: center;
}

.upper-8749 {
  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);
}

.box_0df0 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: white;
}

.upper-8749 .alert_4225 {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

.caption-silver-0b6f {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.pattern-brown-8486 p {
  margin-bottom: var(--space-md);
}

.hero_8347 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .section-12b5 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   19. REVIEW SECTION
   ============================================ */
.search_037c {
  max-width: 600px;
  margin: 0 auto var(--space-xxl);
}

.info_3afc {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.south-39fb {
  margin-bottom: var(--space-xl);
}

.modal-first-49e7 {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.popup_steel_e210 {
  font-size: 2rem;
  color: #ffa000;
  letter-spacing: 4px;
  margin: var(--space-sm) 0;
}

.stale_9dc1 {
  color: var(--color-text-light);
}

.sidebar_warm_1ab2 {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.clean-94fe {
  display: grid;
  grid-template-columns: 40px 1fr 50px;
  align-items: center;
  gap: var(--space-sm);
}

.dirty_1a6a {
  font-weight: 600;
  color: var(--color-text);
}

.narrow_c191 {
  height: 12px;
  background: var(--color-border-light);
  border-radius: 6px;
  overflow: hidden;
}

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

.thumbnail_4ad3 {
  text-align: right;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.brown_e9c8 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.panel-c71d {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
}

.orange-ad2f {
  border: 2px solid #4caf50;
}

.in-859a {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.progress-dark-f2d2 {
  display: flex;
  gap: var(--space-md);
  flex: 1;
}

.module_last_2166 {
  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;
}

.south-2d91 {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.gold_86ec {
  display: inline-block;
  padding: 2px 8px;
  background: #4caf50;
  color: white;
  font-size: 0.75rem;
  border-radius: 10px;
  margin-left: 8px;
}

.content-motion-4102 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.top_2cd1 {
  text-align: right;
}

.top_2cd1 .hero-wide-3a6d {
  color: #ffa000;
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.accent-6a7e {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.pink_8b66 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.pink_8b66 p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.wrapper_blue_c9fb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.popup_tiny_d232 {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status_pro_f32c {
  background: #e8f5e9;
  color: #2e7d32;
}

.dropdown_d61c {
  background: #e3f2fd;
  color: #1565c0;
}

.outer_ce46 {
  background: #fff3e0;
  color: #e65100;
}

.active-6675 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.active-6675 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.accordion_orange_9eac {
  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);
}

.accordion_orange_9eac:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.picture-paper-34ac {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.up-4ef9 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.up-4ef9 strong {
  color: var(--color-primary);
}

.link_wide_0bdb {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.video-old-f4af {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   20. FAQ SECTION
   ============================================ */
.nav_in_0e21 {
  max-width: 900px;
  margin: 0 auto;
}

.article-huge-959c {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.carousel_purple_ba38 {
  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);
}

.carousel_purple_ba38:hover {
  background: var(--color-bg-alt);
}

.logo-5719 {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.carousel_purple_ba38[aria-expanded="true"] .logo-5719 {
  transform: rotate(180deg);
}

.fluid_2983 {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.fluid_2983 h5 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.fluid_2983 ul,
.fluid_2983 ol {
  margin: var(--space-sm) 0;
  padding-left: var(--space-lg);
}

.fluid_2983 li {
  margin-bottom: var(--space-xs);
}

.media_over_e77d {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: #1e1e1e;
  color: #d4d4d4;
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.grid_tiny_d8e5 {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: #9cdcfe;
}

.media_over_e77d code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ============================================
   21. CONCLUSION SECTION
   ============================================ */
.cold_f2c4 {
  max-width: 800px;
  margin: 0 auto var(--space-xxl);
  text-align: center;
}

.caption_fa2f {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.yellow-b60f {
  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);
}

.mini-db0b {
  padding: 12px 24px;
  background: #4caf50;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
}

.preview_dbd6 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .preview_dbd6 {
    grid-template-columns: 1fr;
  }
}

.inner_1074,
.pattern_dynamic_c6cc {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.inner_1074 {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.pattern_dynamic_c6cc {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.inner_1074 h4,
.pattern_dynamic_c6cc h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.inner_1074 ul,
.pattern_dynamic_c6cc ul {
  list-style: none;
  padding: 0;
}

.inner_1074 li,
.pattern_dynamic_c6cc li {
  padding: var(--space-sm) 0;
  line-height: 1.6;
}

.nav-wide-55bd {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .nav-wide-55bd {
    grid-template-columns: 1fr;
  }
}

.copper_d3c8 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.accent-08c8 {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
}

.notice-narrow-11cc {
  background: linear-gradient(135deg, #f44336 0%, #e57373 100%);
  color: white;
}

.copper_d3c8 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.copper_d3c8 ul {
  list-style: none;
  padding: 0;
}

.copper_d3c8 li {
  padding: var(--space-xs) 0;
  color: white;
}

.large-fc35 {
  max-width: 800px;
  margin: var(--space-xxl) auto;
}

.large-fc35 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.large-fc35 p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

.paper-8901 {
  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);
}

.element_cold_bb5b {
  font-style: italic;
}

.tall-26d9 {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.filter-1661 {
  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;
}

.filter-1661 h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: white;
}

.filter-1661 p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  color: rgba(255,255,255,0.9);
}

.notice_8e90 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ============================================
   22. RELATED CONTENT
   ============================================ */
.texture_29d2 {
  padding: var(--space-xxl) 0;
  background: var(--color-bg-section);
}

.left_7929 {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.advanced-e5c9 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .advanced-e5c9 {
    grid-template-columns: 1fr;
  }
}

.hard_af5c {
  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);
}

.hard_af5c:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.small-993c {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.hard_af5c h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.hard_af5c p {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ============================================
   23. FOOTER
   ============================================ */
.inner_2a24 {
  background: #212121;
  color: #e0e0e0;
  padding: var(--space-xxl) 0 var(--space-lg);
}

.video_selected_e161 {
  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) */
.plasma-1912 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.accordion-yellow-09c3 h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.accordion-yellow-09c3 p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.bottom-4112 {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bottom-4112 li {
  margin-bottom: var(--space-xs);
}

.bottom-4112 a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.bottom-4112 a:hover {
  color: white;
}

.breadcrumb-black-0bac {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.breadcrumb-black-0bac 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);
}

.breadcrumb-black-0bac a:hover {
  color: white;
  border-color: #666;
  background: #333;
}

.middle-e623 {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.middle-e623 a {
  color: #808080;
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.middle-e623 a:hover {
  color: white;
}

.dropdown_93db > p {
  font-size: 0.875rem;
  color: #808080;
  margin: 0;
}

@media (max-width: 768px) {
  .video_selected_e161,
  .plasma-1912 {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.section-7dc7 h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.caption_79d7 p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.layout_white_6c10 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.layout_white_6c10 .input-2b52 {
  color: #4caf50;
  font-size: 0.875rem;
}

.layout_solid_5772 {
  list-style: none;
  padding: 0;
}

.layout_solid_5772 li {
  margin-bottom: var(--space-xs);
}

.layout_solid_5772 a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.layout_solid_5772 a:hover {
  color: white;
}

.article_0863 {
  list-style: none;
  padding: 0;
}

.article_0863 li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: #b0b0b0;
}

.article_0863 a {
  color: #b0b0b0;
  text-decoration: none;
}

.article_0863 a:hover {
  color: white;
}

.dropdown_93db {
  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);
}

.dropdown_a411 p {
  font-size: 0.875rem;
  color: #808080;
  margin-bottom: var(--space-xs);
}

.dropdown_a411 a {
  color: #4caf50;
  text-decoration: none;
}

.box-white-5d65 {
  font-size: 0.75rem;
  color: #666666;
}

.thick_e208 {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: #808080;
}

.thick_e208 a {
  color: #808080;
  text-decoration: none;
  transition: var(--transition-fast);
}

.thick_e208 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;
}

.complex-232c {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 600;
}

.complex-232c:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .dropdown_93db {
    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;
  }
  
  .background_prev_75a0 {
    font-size: 2rem;
  }
  
  .center-84c2 {
    font-size: 1.75rem;
  }
  
  /* Ensure all grids are single column */
  .shadow-b10d,
  .slow_95d0 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }
  
  .warm-41d4,
  .backdrop_8a45,
  .secondary_1563,
  .pattern-action-3fe4,
  .preview_dbd6,
  .nav-wide-55bd,
  .advanced-e5c9,
  .video_selected_e161,
  .plasma-1912 {
    grid-template-columns: 1fr;
  }
  
  .narrow_a1c2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile-specific adjustments */
  .surface-simple-465b {
    padding: var(--space-lg) 0;
  }
  
  .in_f345 li a {
    font-size: 0.875rem;
    padding: var(--space-xs);
  }
  
  .in_f345 li a:before {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
  
  /* Improve mobile readability */
  p, li {
    font-size: 0.9375rem;
  }
  
  /* Better touch targets */
  .down-6898 {
    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;
  }
  
  .narrow_a1c2 {
    grid-template-columns: 1fr;
  }
  
  .tabs-2f21,
  .notice_8e90,
  .preview_dirty_00db {
    flex-direction: column;
    width: 100%;
  }
  
  .avatar-e690,
  .row_cool_06c0,
  .tabs-2f21 .down-6898,
  .notice_8e90 .down-6898 {
    width: 100%;
  }
  
  /* Smaller font sizes for very small screens */
  .background_prev_75a0 {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  .center-84c2 {
    font-size: 1.375rem;
  }
  
  .center_5cd5 {
    font-size: 2rem;
  }
  
  /* Reduce padding on small screens */
  .white_cf60,
  .button-7bde,
  .summary-979a,
  .panel-c71d,
  .video-active-4ceb {
    padding: var(--space-md);
  }
  
  /* Improve code readability on mobile */
  code,
  .bronze-7269 {
    font-size: 0.625rem;
    word-break: break-all;
  }
  
  /* Better meta display */
  .title-f63b {
    gap: var(--space-xs);
  }
  
  .tag_61ea {
    font-size: 0.75rem;
  }
  
  /* Optimize score circles */
  .logo-c53c {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }
  
  .upper-8749 {
    width: 150px;
    height: 150px;
  }
  
  .box_0df0 {
    font-size: 3rem;
  }
}

/* ============================================
   25. PRINT STYLES
   ============================================ */
@media print {
  .thumbnail-cfa4,
  .hero-first-dacf,
  .tabs-2f21,
  .filter-1661,
  .texture_29d2,
  .inner_2a24,
  .mask-down-b606 {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .surface-simple-465b {
    page-break-inside: avoid;
  }
}

/* css-noise: aafe */
.shadow-element-e1 {
  padding: 0.3rem;
  font-size: 13px;
  line-height: 1.2;
}