/* ============================================
   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)
   ============================================ */
.new-1eb4 {
  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;
}

.new-1eb4:focus {
  top: 0;
}

/* ============================================
   3. CONTAINER & LAYOUT
   ============================================ */
.border_paper_9e5d {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .border_paper_9e5d {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  .border_paper_9e5d {
    padding: 0 12px;
  }
}

/* Prevent horizontal overflow on all elements EXCEPT header */
*:not(.wide-45c6):not(header) {
  max-width: 100%;
}

/* Allow specific elements to exceed container */
html,
body,
.wide-45c6,
header,
.slider_b609,
.picture_9f11,
.primary-c116,
.dropdown_2394,
.glass_65b8,
.right_0f7b,
.feature-clean-ff0d {
  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
   ============================================ */
.wide-45c6 {
  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);
}

.action-c1f2 {
  animation: slideDown 0.3s ease-out;
}

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

/* Scrolled state */
.wide-45c6.secondary-9052 {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 1);
}

.outer-a449 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-md);
}

.avatar-2b4b {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.iron-70be img {
  height: 36px;
  width: auto;
  display: block;
}

.surface_yellow_6a85 {
  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;
}

.mask-8336 {
  flex: 1;
}

.out_3bf3 {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.row_0edb {
  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);
}

.row_0edb:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.row_0edb.fn-active-4d35 {
  background: var(--color-primary);
  color: white;
}

/* Dropdown Navigation */
.accordion_black_e11d {
  position: relative;
}

.slow_2c35 {
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.slow_2c35 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_black_e11d:hover .slow_2c35 svg,
.slow_2c35[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.short-35f4 {
  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_black_e11d:hover .short-35f4 {
  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 */
.short-35f4::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

.footer-active-b02c {
  display: block;
  padding: 10px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.footer-active-b02c: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 */
.footer-active-b02c[aria-current="page"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.card_small_0435 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Header Login Button */
.dropdown-0195 {
  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;
}

.dropdown-0195:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
  transform: translateY(-1px);
}

.dropdown-0195 svg {
  flex-shrink: 0;
}

/* Header Download Button */
.carousel_e4bb {
  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;
}

.carousel_e4bb: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);
}

.carousel_e4bb svg {
  flex-shrink: 0;
  animation: bounce 2s infinite;
}

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

.primary-outer-f973 {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.tall_f996 {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

/* Hamburger animation when active */
.primary-outer-f973[aria-expanded="true"] .tall_f996:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.primary-outer-f973[aria-expanded="true"] .tall_f996:nth-child(2) {
  opacity: 0;
}

.primary-outer-f973[aria-expanded="true"] .tall_f996:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Menu */
@media (max-width: 1100px) {
  .mask-8336 {
    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 */
  }

  .mask-8336::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Edge(Chromium) */
  }
  
  .mask-8336.shade-2eff {
    display: block;
    right: 0;
  }
  
  .out_3bf3 {
    flex-direction: column;
    gap: 0;
  }
  
  .row_0edb {
    display: block;
    padding: 16px 24px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  /* Mobile overlay */
  .mask-8336::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;
  }
  
  .mask-8336.shade-2eff::before {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 1100px) {
  .mask-8336 {
    display: none;
  }
  
  .primary-outer-f973 {
    display: flex;
  }
  
  .surface_yellow_6a85 {
    display: none;
  }
  
  /* Adjust header buttons on tablet */
  .dropdown-0195,
  .carousel_e4bb {
    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_black_e11d {
    position: relative;
  }
  
  .short-35f4 {
    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;
  }
  
  .slow_2c35[aria-expanded="true"] + .short-35f4 {
    max-height: 320px; /* 足够容纳所有子项，展开时自然撑开 */
    margin-top: 8px;
  }
  
  .footer-active-b02c {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  /* Stack buttons vertically or hide login on small screens */
  .card_small_0435 {
    gap: 8px;
  }
  
  .dropdown-0195 {
    display: none;
  }
  
  .carousel_e4bb {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  
  .iron-70be img {
    height: 32px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .carousel_e4bb {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }
  
  .carousel_e4bb svg {
    width: 14px;
    height: 14px;
  }
  
  .outer-a449 {
    gap: var(--space-sm);
  }
}

/* ============================================
   5. ARTICLE META BANNER
   ============================================ */
.slider_b609 {
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.shade-stale-818e {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.notice-44bc {
  display: flex;
  align-items: center;
  gap: 6px;
}

.notice-44bc svg {
  flex-shrink: 0;
}

.notice-44bc a {
  color: var(--color-primary);
  text-decoration: none;
}

.notice-44bc a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .shade-stale-818e {
    font-size: 0.8125rem;
    gap: var(--space-sm);
  }
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.picture_9f11 {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.article-last-de39 {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}

@media (max-width: 1024px) {
  .article-last-de39 {
    grid-template-columns: 1fr 350px;
    gap: var(--space-lg);
  }
}

.container_cold_78d0 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.container_cold_78d0 a {
  color: var(--color-primary);
  text-decoration: none;
}

.container_cold_78d0 a:hover {
  text-decoration: underline;
}

.link_8881 {
  color: var(--color-text-lighter);
}

.caption_mini_5338 {
  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) {
  .caption_mini_5338 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .caption_mini_5338 {
    font-size: 1.5rem;
  }
}

.module_hovered_753e {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.liquid-a244 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .liquid-a244 {
    grid-template-columns: 1fr;
  }
}

.backdrop_south_fea6 {
  display: flex;
  gap: var(--space-sm);
}

.stale-9782 {
  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;
}

.blue-f8bf {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.blue-f8bf strong {
  font-weight: 600;
  color: var(--color-text);
}

.blue-f8bf span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.hard-8042 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.notification-562e {
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-soft-eca2 {
  position: relative;
  text-align: center;
}

.photo-soft-eca2 img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

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

.green-d637 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.article-fb2f {
  color: #ffa000;
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.block_east_d245 {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.left-5580 {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.accordion_7ca9 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 968px) {
  .article-last-de39 {
    grid-template-columns: 1fr;
  }
  
  .caption_mini_5338 {
    font-size: 1.75rem;
  }
  
  .notification-562e {
    order: -1;
    max-width: 100%;
  }
  
  .photo-soft-eca2 {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .caption_mini_5338 {
    font-size: 1.5rem;
  }
  
  .module_hovered_753e {
    font-size: 1rem;
  }
  
  .container_cold_78d0 {
    font-size: 0.8125rem;
    flex-wrap: wrap;
  }
  
  .photo-soft-eca2 {
    max-width: 250px;
  }
}

/* ============================================
   7. BUTTONS
   ============================================ */
.hot_7bea {
  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;
}

.heading_dark_70a7 {
  background: var(--color-primary);
  color: white;
}

.heading_dark_70a7:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.message-115e {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.message-115e:hover {
  background: var(--color-primary);
  color: white;
}

.hero-de30 {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.hero-de30:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.thumbnail-pro-2c33 {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.video-7c78 {
  padding: 20px 40px;
  font-size: 1.25rem;
}

/* ============================================
   8. STATS SECTION
   ============================================ */
.primary-c116 {
  padding: var(--space-xl) 0;
  background: white;
}

.full_0b02 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.grid_0651 {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.grid_0651:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.module_up_5e43 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.down-ffb3 {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.notification_tall_02b0 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   9. TABLE OF CONTENTS
   ============================================ */
.dropdown_2394 {
  padding: var(--space-xl) 0;
  background: var(--color-bg-section);
}

.tabs-b164 {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.column-narrow-7e13 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.popup_4511 {
  list-style: none;
  counter-reset: toc-counter;
}

.popup_4511 li {
  counter-increment: toc-counter;
  margin-bottom: var(--space-sm);
}

.popup_4511 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);
}

.popup_4511 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;
}

.popup_4511 li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ============================================
   10. CONTENT SECTIONS
   ============================================ */
.glass_65b8 {
  padding: var(--space-xxl) 0;
}

.over-b65d {
  background: var(--color-bg-section);
}

.filter_south_cef3 {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.current-1d9a {
  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);
}

.tag-2e9e {
  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);
}

.block_left_3ac3 {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.blue-93bb {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-xl);
  width: 100%;
}

@media (max-width: 1200px) {
  .blue-93bb {
    grid-template-columns: 1fr 300px;
  }
}

.dropdown_bd90 {
  max-width: 750px;
  width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.dropdown_bd90 img {
  max-width: 100%;
  height: auto;
  display: block;
}

.dropdown_bd90 pre,
.dropdown_bd90 code {
  overflow-x: auto;
  max-width: 100%;
}

.dropdown_bd90 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);
}

.dropdown_bd90 h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text);
}

.dropdown_bd90 h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.dropdown_bd90 p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.dropdown_bd90 ul,
.dropdown_bd90 ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.dropdown_bd90 li {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.dropdown_bd90 strong {
  font-weight: 600;
  color: var(--color-text);
}

.dropdown_bd90 a {
  color: var(--color-primary);
  text-decoration: underline;
}

.dropdown_bd90 a:hover {
  color: var(--color-primary-dark);
}

.menu-73c0 {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
}

.menu-73c0 li {
  counter-increment: list-counter;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: var(--space-md);
}

.menu-73c0 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) {
  .blue-93bb {
    grid-template-columns: 1fr;
  }
  
  .tag-2e9e {
    font-size: 1.75rem;
  }
  
  .dropdown_bd90 {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .tag-2e9e {
    font-size: 1.5rem;
  }
  
  .dropdown_bd90 h3 {
    font-size: 1.375rem;
  }
  
  .dropdown_bd90 h4 {
    font-size: 1.125rem;
  }
}

/* ============================================
   11. INFO BOXES
   ============================================ */
.alert-c44f {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  border-left: 4px solid;
}

.steel_b699 {
  background: #fff3e0;
  border-color: var(--color-warning);
}

.active_f2ab {
  background: #e3f2fd;
  border-color: var(--color-primary);
}

.content-80c3 {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.warm-0e06 strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

/* ============================================
   12. AUTHOR NOTE
   ============================================ */
.shadow-d87b {
  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;
}

.progress_advanced_4be9 {
  flex-shrink: 0;
}

.module_fast_6c1e strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

/* ============================================
   13. TABLES
   ============================================ */
.summary-39ff {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .summary-39ff {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
    border-radius: 0;
  }
}

.pattern-pro-71b9,
.first_ac13,
.aside-last-8a42 {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.pattern-pro-71b9 thead,
.first_ac13 thead {
  background: var(--color-primary);
  color: white;
}

.pattern-pro-71b9 th,
.pattern-pro-71b9 td,
.first_ac13 th,
.first_ac13 td,
.aside-last-8a42 th,
.aside-last-8a42 td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .pattern-pro-71b9 th,
  .pattern-pro-71b9 td,
  .first_ac13 th,
  .first_ac13 td,
  .aside-last-8a42 th,
  .aside-last-8a42 td {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  .pattern-pro-71b9,
  .first_ac13,
  .aside-last-8a42 {
    min-width: 600px;
  }
}

.pattern-pro-71b9 th,
.first_ac13 th,
.aside-last-8a42 th {
  font-weight: 600;
}

.pattern-pro-71b9 tbody tr:hover,
.first_ac13 tbody tr:hover,
.aside-last-8a42 tbody tr:hover {
  background: var(--color-bg-alt);
}

.motion-5b68 {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ============================================
   14. SIDEBAR
   ============================================ */
.cold-2a7d {
  position: sticky;
  top: 80px;
  align-self: start;
}

.progress-tiny-48f5 {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.progress-tiny-48f5 h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.gallery_678a {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.gallery_678a h4 {
  color: white;
}

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

.feature-fixed-24ba {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.feature-fixed-24ba:last-child {
  border-bottom: none;
}

.feature-fixed-24ba dt {
  font-weight: 600;
  color: var(--color-text-light);
}

.feature-fixed-24ba dd {
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
}

.item_b3de {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

.texture-simple-923a {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-md);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.texture-simple-923a:hover {
  text-decoration: underline;
}

.purple_8a82 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.active-left-df00 {
  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);
}

.active-left-df00 span {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.container-82b2 {
  font-weight: 600;
  color: white;
}

.widget_bb55 {
  list-style: none;
  padding: 0;
}

.widget_bb55 li {
  padding: var(--space-xs) 0;
}

.advanced_c3ca {
  color: #4caf50;
}

.search_iron_4b7c {
  color: #ff9800;
}

.surface_879c {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.detail-e8d0 {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: var(--space-sm);
}

.soft_8728 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.texture-32af {
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}

.focused_2cbb {
  height: 100%;
  background: linear-gradient(90deg, #4caf50 0%, #8bc34a 100%);
  transition: width var(--transition-slow);
}

.small-63f0 {
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
}

/* ============================================
   15. FEATURE GRID
   ============================================ */
.heading-d98e {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .heading-d98e {
    grid-template-columns: 1fr;
  }
}

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

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

.soft_2604 {
  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;
}

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

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

.accordion_0c21 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.container-82b2 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.left-268f {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}

.popup-ee4c {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.popup-ee4c h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

/* ============================================
   16. COMPARISON & DECISION HELPER
   ============================================ */
.paragraph_stone_d8d5 {
  max-width: 900px;
  margin: 0 auto;
}

.slider_top_d0f5 {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.form-36a8 {
  margin: var(--space-xl) 0;
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .form-36a8 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
  }
}

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

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

.detail_right_9a1c {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .detail_right_9a1c {
    grid-template-columns: 1fr;
  }
}

.tall-7501 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.modal-ae30 {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.tall-7501 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.tall-7501 ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.tall-7501 li {
  padding: var(--space-xs) 0;
  color: white;
}

.tall-7501 .hot_7bea {
  width: 100%;
  background: white;
}

.clean-fded .hot_7bea {
  color: #667eea;
}

.modal-ae30 .hot_7bea {
  color: #f5576c;
}

/* ============================================
   17. TUTORIAL / STEPS
   ============================================ */
.panel-b8bf {
  max-width: 900px;
  margin: 0 auto;
}

.complex_9126 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.copper_608f {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.banner_8c47 {
  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);
}

.copper_608f h3 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
}

.card-7c6f {
  padding: var(--space-xl);
}

@media (max-width: 768px) {
  .copper_608f {
    padding: var(--space-md);
  }
  
  .card-7c6f {
    padding: var(--space-md);
  }
  
  .texture_f491 {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
  }
}

.lite-5d70 ol,
.lite-5d70 ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.lite-5d70 li {
  margin-bottom: var(--space-sm);
}

.lite-5d70 code {
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

.cool-e4fd {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #fff3e0;
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
}

.white_840c {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #ffebee;
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius-md);
}

.texture_f491 {
  margin-top: var(--space-lg);
  text-align: center;
}

.texture_f491 img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.bronze-4835,
.liquid_c855,
.modal_dbb4,
.container_f431 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.detail_3012 {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.outer_a0c0 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.container-right-9f1d {
  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) {
  .container-right-9f1d {
    font-size: 0.625rem;
  }
}

.hard_9d6c {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

.hard_9d6c:hover {
  background: var(--color-primary-dark);
}

.row-silver-2405 {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  text-align: center;
}

.row-silver-2405 h4 {
  margin-bottom: var(--space-md);
}

.focus-green-1b67 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ============================================
   18. SECURITY SECTION
   ============================================ */
.modal_2ac0 {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-text-light);
}

.input_77fb {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .input_77fb {
    grid-template-columns: 1fr;
  }
}

.steel_c78c {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.shadow-current-c042 {
  border-color: var(--color-success);
}

.disabled_e6a8 {
  border-color: var(--color-warning);
}

.solid-973f {
  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);
}

.shadow-current-c042 .solid-973f {
  background: #e8f5e9;
  color: var(--color-success);
}

.disabled_e6a8 .solid-973f {
  background: #fff3e0;
  color: var(--color-warning);
}

.steel_c78c h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.steel_c78c p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.block-rough-c5ec {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.shadow_095f {
  margin: var(--space-xxl) 0;
}

.shadow_095f h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-md);
}

.shadow_095f > p {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.notice_middle_43a6 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .notice_middle_43a6 {
    grid-template-columns: 1fr;
  }
}

.alert-b7d7 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.alert-b7d7 h4 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.primary-simple-36c5 {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.primary-simple-36c5 input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 4px;
  cursor: pointer;
}

.menu_dc47 {
  margin-top: var(--space-xxl);
}

.fluid-a5fd {
  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);
}

.info_narrow_a2b8 {
  text-align: center;
}

.module_04d0 {
  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);
}

.hero_fresh_61e1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: white;
}

.module_04d0 .container-82b2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

.dynamic_56b8 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.dirty_1326 p {
  margin-bottom: var(--space-md);
}

.avatar_complex_9cd7 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .fluid-a5fd {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   19. REVIEW SECTION
   ============================================ */
.highlight-1b79 {
  max-width: 600px;
  margin: 0 auto var(--space-xxl);
}

.disabled-78c1 {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.under_52aa {
  margin-bottom: var(--space-xl);
}

.badge-a1de {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.pattern_dim_80bf {
  font-size: 2rem;
  color: #ffa000;
  letter-spacing: 4px;
  margin: var(--space-sm) 0;
}

.hard-bcf6 {
  color: var(--color-text-light);
}

.preview-28bc {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.texture_8f9a {
  display: grid;
  grid-template-columns: 40px 1fr 50px;
  align-items: center;
  gap: var(--space-sm);
}

.bright_89c9 {
  font-weight: 600;
  color: var(--color-text);
}

.orange-5b5a {
  height: 12px;
  background: var(--color-border-light);
  border-radius: 6px;
  overflow: hidden;
}

.image-wood-b300 {
  height: 100%;
  background: linear-gradient(90deg, #ffa000 0%, #ff6f00 100%);
  transition: width var(--transition-slow);
}

.right-7f45 {
  text-align: right;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.warm-30f5 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.solid-b2c4 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
}

.status_green_ab2f {
  border: 2px solid #4caf50;
}

.image_tiny_0581 {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.media_gold_ca31 {
  display: flex;
  gap: var(--space-md);
  flex: 1;
}

.tag_f7c3 {
  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;
}

.next_abf9 {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.tabs_bf87 {
  display: inline-block;
  padding: 2px 8px;
  background: #4caf50;
  color: white;
  font-size: 0.75rem;
  border-radius: 10px;
  margin-left: 8px;
}

.dirty_ca31 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.grid_68ba {
  text-align: right;
}

.grid_68ba .row_b27c {
  color: #ffa000;
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.carousel-upper-3a6f {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.medium-79a6 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.medium-79a6 p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.cool-716f {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.content-gas-51e6 {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.hot-609b {
  background: #e8f5e9;
  color: #2e7d32;
}

.block-835d {
  background: #e3f2fd;
  color: #1565c0;
}

.easy-5b71 {
  background: #fff3e0;
  color: #e65100;
}

.progress-hard-9230 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.progress-hard-9230 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.notice-black-26e5 {
  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);
}

.notice-black-26e5:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.medium-b5ee {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.summary_small_6d82 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.summary_small_6d82 strong {
  color: var(--color-primary);
}

.disabled-light-6650 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

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

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

.layout_yellow_22db {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.hidden-stale-ca45 {
  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);
}

.hidden-stale-ca45:hover {
  background: var(--color-bg-alt);
}

.info-focused-7fdb {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.hidden-stale-ca45[aria-expanded="true"] .info-focused-7fdb {
  transform: rotate(180deg);
}

.easy_82ca {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.easy_82ca h5 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.easy_82ca ul,
.easy_82ca ol {
  margin: var(--space-sm) 0;
  padding-left: var(--space-lg);
}

.easy_82ca li {
  margin-bottom: var(--space-xs);
}

.prev_24e8 {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: #1e1e1e;
  color: #d4d4d4;
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.footer-top-c7ef {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: #9cdcfe;
}

.prev_24e8 code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ============================================
   21. CONCLUSION SECTION
   ============================================ */
.thumbnail_top_f028 {
  max-width: 800px;
  margin: 0 auto var(--space-xxl);
  text-align: center;
}

.section-d64d {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.gas-4363 {
  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);
}

.caption-10e2 {
  padding: 12px 24px;
  background: #4caf50;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
}

.header-be34 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .header-be34 {
    grid-template-columns: 1fr;
  }
}

.gallery_ce3b,
.detail-south-bcc1 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.gallery_ce3b {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.detail-south-bcc1 {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.gallery_ce3b h4,
.detail-south-bcc1 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.gallery_ce3b ul,
.detail-south-bcc1 ul {
  list-style: none;
  padding: 0;
}

.gallery_ce3b li,
.detail-south-bcc1 li {
  padding: var(--space-sm) 0;
  line-height: 1.6;
}

.north-3ac7 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .north-3ac7 {
    grid-template-columns: 1fr;
  }
}

.shadow-3eeb {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.clean_7733 {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
}

.gold-5571 {
  background: linear-gradient(135deg, #f44336 0%, #e57373 100%);
  color: white;
}

.shadow-3eeb h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.shadow-3eeb ul {
  list-style: none;
  padding: 0;
}

.shadow-3eeb li {
  padding: var(--space-xs) 0;
  color: white;
}

.search-76b4 {
  max-width: 800px;
  margin: var(--space-xxl) auto;
}

.search-76b4 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.search-76b4 p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

.paper_d7e6 {
  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);
}

.yellow-3415 {
  font-style: italic;
}

.row-8c3b {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.tooltip_68a0 {
  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;
}

.tooltip_68a0 h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: white;
}

.tooltip_68a0 p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  color: rgba(255,255,255,0.9);
}

.prev_f50c {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ============================================
   22. RELATED CONTENT
   ============================================ */
.right_0f7b {
  padding: var(--space-xxl) 0;
  background: var(--color-bg-section);
}

.avatar_ddc5 {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

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

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

.first-d73c {
  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);
}

.first-d73c:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.selected_b6a8 {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.first-d73c h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.first-d73c p {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ============================================
   23. FOOTER
   ============================================ */
.feature-clean-ff0d {
  background: #212121;
  color: #e0e0e0;
  padding: var(--space-xxl) 0 var(--space-lg);
}

.motion-5825 {
  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) */
.modal-b333 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.row-98fe h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.row-98fe p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.breadcrumb_complex_8675 {
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb_complex_8675 li {
  margin-bottom: var(--space-xs);
}

.breadcrumb_complex_8675 a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.breadcrumb_complex_8675 a:hover {
  color: white;
}

.cool_69a4 {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.cool_69a4 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);
}

.cool_69a4 a:hover {
  color: white;
  border-color: #666;
  background: #333;
}

.search_narrow_3993 {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.search_narrow_3993 a {
  color: #808080;
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.search_narrow_3993 a:hover {
  color: white;
}

.layout_short_f002 > p {
  font-size: 0.875rem;
  color: #808080;
  margin: 0;
}

@media (max-width: 768px) {
  .motion-5825,
  .modal-b333 {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.badge_liquid_bb3f h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.paragraph_lite_b067 p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.widget-fast-ff9b {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.widget-fast-ff9b .backdrop_south_fea6 {
  color: #4caf50;
  font-size: 0.875rem;
}

.message_77aa {
  list-style: none;
  padding: 0;
}

.message_77aa li {
  margin-bottom: var(--space-xs);
}

.message_77aa a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.message_77aa a:hover {
  color: white;
}

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

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

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

.logo_fdca a:hover {
  color: white;
}

.layout_short_f002 {
  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);
}

.right_3978 p {
  font-size: 0.875rem;
  color: #808080;
  margin-bottom: var(--space-xs);
}

.right_3978 a {
  color: #4caf50;
  text-decoration: none;
}

.active-cold-ff50 {
  font-size: 0.75rem;
  color: #666666;
}

.south-9990 {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: #808080;
}

.south-9990 a {
  color: #808080;
  text-decoration: none;
  transition: var(--transition-fast);
}

.south-9990 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;
}

.photo_pink_fc27 {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 600;
}

.photo_pink_fc27:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .layout_short_f002 {
    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;
  }
  
  .caption_mini_5338 {
    font-size: 2rem;
  }
  
  .tag-2e9e {
    font-size: 1.75rem;
  }
  
  /* Ensure all grids are single column */
  .article-last-de39,
  .blue-93bb {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }
  
  .heading-d98e,
  .input_77fb,
  .detail_right_9a1c,
  .notice_middle_43a6,
  .header-be34,
  .north-3ac7,
  .dark_fada,
  .motion-5825,
  .modal-b333 {
    grid-template-columns: 1fr;
  }
  
  .full_0b02 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile-specific adjustments */
  .glass_65b8 {
    padding: var(--space-lg) 0;
  }
  
  .popup_4511 li a {
    font-size: 0.875rem;
    padding: var(--space-xs);
  }
  
  .popup_4511 li a:before {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
  
  /* Improve mobile readability */
  p, li {
    font-size: 0.9375rem;
  }
  
  /* Better touch targets */
  .hot_7bea {
    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;
  }
  
  .full_0b02 {
    grid-template-columns: 1fr;
  }
  
  .hard-8042,
  .prev_f50c,
  .focus-green-1b67 {
    flex-direction: column;
    width: 100%;
  }
  
  .thumbnail-pro-2c33,
  .video-7c78,
  .hard-8042 .hot_7bea,
  .prev_f50c .hot_7bea {
    width: 100%;
  }
  
  /* Smaller font sizes for very small screens */
  .caption_mini_5338 {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  .tag-2e9e {
    font-size: 1.375rem;
  }
  
  .module_up_5e43 {
    font-size: 2rem;
  }
  
  /* Reduce padding on small screens */
  .grid_0651,
  .row_dbce,
  .progress-tiny-48f5,
  .solid-b2c4,
  .complex_9126 {
    padding: var(--space-md);
  }
  
  /* Improve code readability on mobile */
  code,
  .container-right-9f1d {
    font-size: 0.625rem;
    word-break: break-all;
  }
  
  /* Better meta display */
  .shade-stale-818e {
    gap: var(--space-xs);
  }
  
  .notice-44bc {
    font-size: 0.75rem;
  }
  
  /* Optimize score circles */
  .active-left-df00 {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }
  
  .module_04d0 {
    width: 150px;
    height: 150px;
  }
  
  .hero_fresh_61e1 {
    font-size: 3rem;
  }
}

/* ============================================
   25. PRINT STYLES
   ============================================ */
@media print {
  .wide-45c6,
  .slider_b609,
  .hard-8042,
  .tooltip_68a0,
  .right_0f7b,
  .feature-clean-ff0d,
  .primary-outer-f973 {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .glass_65b8 {
    page-break-inside: avoid;
  }
}

/* css-noise: d1fd */
.phantom-card-c3 {
  padding: 0.3rem;
  font-size: 13px;
  line-height: 1.2;
}
