/* ============================================
   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)
   ============================================ */
.paragraph_579f {
  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;
}

.paragraph_579f:focus {
  top: 0;
}

/* ============================================
   3. CONTAINER & LAYOUT
   ============================================ */
.table_last_93ac {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .table_last_93ac {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  .table_last_93ac {
    padding: 0 12px;
  }
}

/* Prevent horizontal overflow on all elements EXCEPT header */
*:not(.form-next-f1d6):not(header) {
  max-width: 100%;
}

/* Allow specific elements to exceed container */
html,
body,
.form-next-f1d6,
header,
.middle_97eb,
.north_f0ca,
.alert_8e4f,
.basic-8a5c,
.mini-6942,
.warm-8828,
.thumbnail_2bb0 {
  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
   ============================================ */
.form-next-f1d6 {
  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);
}

.lower-4583 {
  animation: slideDown 0.3s ease-out;
}

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

/* Scrolled state */
.form-next-f1d6.sidebar_brown_0521 {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 1);
}

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

.popup-lower-1888 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.alert-over-e0c1 img {
  height: 36px;
  width: auto;
  display: block;
}

.video-8a07 {
  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;
}

.row_first_bd3a {
  flex: 1;
}

.hovered_9249 {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.advanced-f43b {
  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);
}

.advanced-f43b:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.advanced-f43b.fn-active-c415 {
  background: var(--color-primary);
  color: white;
}

/* Dropdown Navigation */
.hidden_simple_342f {
  position: relative;
}

.bright-389a {
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.bright-389a 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） */
.hidden_simple_342f:hover .bright-389a svg,
.bright-389a[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.title_prev_a032 {
  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 */
.hidden_simple_342f:hover .title_prev_a032 {
  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 */
.title_prev_a032::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

.light-da8d {
  display: block;
  padding: 10px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.light-da8d: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 */
.light-da8d[aria-current="page"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.stone_b144 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Header Login Button */
.dropdown_e7aa {
  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_e7aa:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
  transform: translateY(-1px);
}

.dropdown_e7aa svg {
  flex-shrink: 0;
}

/* Header Download Button */
.widget-1ae6 {
  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;
}

.widget-1ae6: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);
}

.widget-1ae6 svg {
  flex-shrink: 0;
  animation: bounce 2s infinite;
}

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

.filter-small-4dd0 {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.message-8cfa {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

/* Hamburger animation when active */
.filter-small-4dd0[aria-expanded="true"] .message-8cfa:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.filter-small-4dd0[aria-expanded="true"] .message-8cfa:nth-child(2) {
  opacity: 0;
}

.filter-small-4dd0[aria-expanded="true"] .message-8cfa:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Menu */
@media (max-width: 1100px) {
  .row_first_bd3a {
    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 */
  }

  .row_first_bd3a::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Edge(Chromium) */
  }
  
  .row_first_bd3a.article_f25d {
    display: block;
    right: 0;
  }
  
  .hovered_9249 {
    flex-direction: column;
    gap: 0;
  }
  
  .advanced-f43b {
    display: block;
    padding: 16px 24px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  /* Mobile overlay */
  .row_first_bd3a::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;
  }
  
  .row_first_bd3a.article_f25d::before {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 1100px) {
  .row_first_bd3a {
    display: none;
  }
  
  .filter-small-4dd0 {
    display: flex;
  }
  
  .video-8a07 {
    display: none;
  }
  
  /* Adjust header buttons on tablet */
  .dropdown_e7aa,
  .widget-1ae6 {
    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 */
  .hidden_simple_342f {
    position: relative;
  }
  
  .title_prev_a032 {
    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;
  }
  
  .bright-389a[aria-expanded="true"] + .title_prev_a032 {
    max-height: 320px; /* 足够容纳所有子项，展开时自然撑开 */
    margin-top: 8px;
  }
  
  .light-da8d {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  /* Stack buttons vertically or hide login on small screens */
  .stone_b144 {
    gap: 8px;
  }
  
  .dropdown_e7aa {
    display: none;
  }
  
  .widget-1ae6 {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  
  .alert-over-e0c1 img {
    height: 32px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .widget-1ae6 {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }
  
  .widget-1ae6 svg {
    width: 14px;
    height: 14px;
  }
  
  .disabled_fcdf {
    gap: var(--space-sm);
  }
}

/* ============================================
   5. ARTICLE META BANNER
   ============================================ */
.middle_97eb {
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.caption_fresh_6d83 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.grid_medium_a430 {
  display: flex;
  align-items: center;
  gap: 6px;
}

.grid_medium_a430 svg {
  flex-shrink: 0;
}

.grid_medium_a430 a {
  color: var(--color-primary);
  text-decoration: none;
}

.grid_medium_a430 a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .caption_fresh_6d83 {
    font-size: 0.8125rem;
    gap: var(--space-sm);
  }
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.north_f0ca {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.pro-49f2 {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}

@media (max-width: 1024px) {
  .pro-49f2 {
    grid-template-columns: 1fr 350px;
    gap: var(--space-lg);
  }
}

.carousel-932e {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.carousel-932e a {
  color: var(--color-primary);
  text-decoration: none;
}

.carousel-932e a:hover {
  text-decoration: underline;
}

.shade-outer-1711 {
  color: var(--color-text-lighter);
}

.disabled-f190 {
  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) {
  .disabled-f190 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .disabled-f190 {
    font-size: 1.5rem;
  }
}

.solid-71f8 {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.slider-2165 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .slider-2165 {
    grid-template-columns: 1fr;
  }
}

.mask_selected_78cc {
  display: flex;
  gap: var(--space-sm);
}

.steel-9c0f {
  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;
}

.thumbnail_0186 {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.thumbnail_0186 strong {
  font-weight: 600;
  color: var(--color-text);
}

.thumbnail_0186 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.banner-silver-7a74 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.shade-6ff2 {
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup-3399 {
  position: relative;
  text-align: center;
}

.popup-3399 img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.clean-41e6 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.section_narrow_4a8f {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.prev-8356 {
  color: #ffa000;
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.hovered-3fb3 {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.title_5ab2 {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.texture_up_e61b {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 968px) {
  .pro-49f2 {
    grid-template-columns: 1fr;
  }
  
  .disabled-f190 {
    font-size: 1.75rem;
  }
  
  .shade-6ff2 {
    order: -1;
    max-width: 100%;
  }
  
  .popup-3399 {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .disabled-f190 {
    font-size: 1.5rem;
  }
  
  .solid-71f8 {
    font-size: 1rem;
  }
  
  .carousel-932e {
    font-size: 0.8125rem;
    flex-wrap: wrap;
  }
  
  .popup-3399 {
    max-width: 250px;
  }
}

/* ============================================
   7. BUTTONS
   ============================================ */
.row_tiny_62c7 {
  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;
}

.label_center_59be {
  background: var(--color-primary);
  color: white;
}

.label_center_59be:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.panel-lower-213c {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.panel-lower-213c:hover {
  background: var(--color-primary);
  color: white;
}

.avatar-7581 {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.avatar-7581:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.iron-4b35 {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.text-1e7a {
  padding: 20px 40px;
  font-size: 1.25rem;
}

/* ============================================
   8. STATS SECTION
   ============================================ */
.alert_8e4f {
  padding: var(--space-xl) 0;
  background: white;
}

.plasma_c542 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.smooth-ef08 {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.smooth-ef08:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.detail_medium_ed6c {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.header-gas-911e {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.secondary-ffb3 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   9. TABLE OF CONTENTS
   ============================================ */
.basic-8a5c {
  padding: var(--space-xl) 0;
  background: var(--color-bg-section);
}

.frame_upper_0840 {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.wrapper-green-c43e {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.image-fresh-8a57 {
  list-style: none;
  counter-reset: toc-counter;
}

.image-fresh-8a57 li {
  counter-increment: toc-counter;
  margin-bottom: var(--space-sm);
}

.image-fresh-8a57 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);
}

.image-fresh-8a57 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;
}

.image-fresh-8a57 li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ============================================
   10. CONTENT SECTIONS
   ============================================ */
.mini-6942 {
  padding: var(--space-xxl) 0;
}

.secondary-stone-4b83 {
  background: var(--color-bg-section);
}

.hot_d13f {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.cold_eb69 {
  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);
}

.in-d672 {
  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);
}

.summary-stale-197a {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.first_8411 {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-xl);
  width: 100%;
}

@media (max-width: 1200px) {
  .first_8411 {
    grid-template-columns: 1fr 300px;
  }
}

.progress_up_7953 {
  max-width: 750px;
  width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.progress_up_7953 img {
  max-width: 100%;
  height: auto;
  display: block;
}

.progress_up_7953 pre,
.progress_up_7953 code {
  overflow-x: auto;
  max-width: 100%;
}

.progress_up_7953 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);
}

.progress_up_7953 h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text);
}

.progress_up_7953 h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.progress_up_7953 p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.progress_up_7953 ul,
.progress_up_7953 ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.progress_up_7953 li {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.progress_up_7953 strong {
  font-weight: 600;
  color: var(--color-text);
}

.progress_up_7953 a {
  color: var(--color-primary);
  text-decoration: underline;
}

.progress_up_7953 a:hover {
  color: var(--color-primary-dark);
}

.stone-f865 {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
}

.stone-f865 li {
  counter-increment: list-counter;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: var(--space-md);
}

.stone-f865 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) {
  .first_8411 {
    grid-template-columns: 1fr;
  }
  
  .in-d672 {
    font-size: 1.75rem;
  }
  
  .progress_up_7953 {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .in-d672 {
    font-size: 1.5rem;
  }
  
  .progress_up_7953 h3 {
    font-size: 1.375rem;
  }
  
  .progress_up_7953 h4 {
    font-size: 1.125rem;
  }
}

/* ============================================
   11. INFO BOXES
   ============================================ */
.action_1acb {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  border-left: 4px solid;
}

.menu_blue_94cd {
  background: #fff3e0;
  border-color: var(--color-warning);
}

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

.down_a1ea {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.gold_7d6c strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

/* ============================================
   12. AUTHOR NOTE
   ============================================ */
.alert-4dee {
  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;
}

.left-d545 {
  flex-shrink: 0;
}

.hero_selected_33c3 strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

/* ============================================
   13. TABLES
   ============================================ */
.dropdown-gas-f459 {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .dropdown-gas-f459 {
    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-4589,
.heading-out-2e99,
.easy-3963 {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sort-4589 thead,
.heading-out-2e99 thead {
  background: var(--color-primary);
  color: white;
}

.sort-4589 th,
.sort-4589 td,
.heading-out-2e99 th,
.heading-out-2e99 td,
.easy-3963 th,
.easy-3963 td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .sort-4589 th,
  .sort-4589 td,
  .heading-out-2e99 th,
  .heading-out-2e99 td,
  .easy-3963 th,
  .easy-3963 td {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  .sort-4589,
  .heading-out-2e99,
  .easy-3963 {
    min-width: 600px;
  }
}

.sort-4589 th,
.heading-out-2e99 th,
.easy-3963 th {
  font-weight: 600;
}

.sort-4589 tbody tr:hover,
.heading-out-2e99 tbody tr:hover,
.easy-3963 tbody tr:hover {
  background: var(--color-bg-alt);
}

.banner_647d {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ============================================
   14. SIDEBAR
   ============================================ */
.column_advanced_df10 {
  position: sticky;
  top: 80px;
  align-self: start;
}

.shade-8d78 {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.shade-8d78 h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.texture_3fe2 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.texture_3fe2 h4 {
  color: white;
}

.slow_2f22 {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.panel_3950 {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.panel_3950:last-child {
  border-bottom: none;
}

.panel_3950 dt {
  font-weight: 600;
  color: var(--color-text-light);
}

.panel_3950 dd {
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
}

.tag_532b {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

.dynamic_5bca {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-md);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.dynamic_5bca:hover {
  text-decoration: underline;
}

.breadcrumb_cold_2c87 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.description-faab {
  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);
}

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

.cold_036d {
  font-weight: 600;
  color: white;
}

.first-c0b4 {
  list-style: none;
  padding: 0;
}

.first-c0b4 li {
  padding: var(--space-xs) 0;
}

.narrow_cfd4 {
  color: #4caf50;
}

.accordion-b30d {
  color: #ff9800;
}

.carousel-f6bd {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.heading-f97b {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: var(--space-sm);
}

.sort-cool-a131 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.tiny_39b9 {
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}

.text_paper_d4cd {
  height: 100%;
  background: linear-gradient(90deg, #4caf50 0%, #8bc34a 100%);
  transition: width var(--transition-slow);
}

.button-4c5b {
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
}

/* ============================================
   15. FEATURE GRID
   ============================================ */
.button-gold-4913 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .button-gold-4913 {
    grid-template-columns: 1fr;
  }
}

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

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

.silver_7a46 {
  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;
}

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

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

.small_9210 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.cold_036d {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.background-full-7670 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}

.bright-003d {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.bright-003d h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

/* ============================================
   16. COMPARISON & DECISION HELPER
   ============================================ */
.black_000b {
  max-width: 900px;
  margin: 0 auto;
}

.fast-9a3e {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.button_6158 {
  margin: var(--space-xl) 0;
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .button_6158 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
  }
}

.disabled_last_977e {
  margin-top: var(--space-xxl);
}

.disabled_last_977e h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.detail_a458 {
  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_a458 {
    grid-template-columns: 1fr;
  }
}

.dim_8f1e {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.main_76a8 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.fresh-72ba {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.dim_8f1e h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.dim_8f1e ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.dim_8f1e li {
  padding: var(--space-xs) 0;
  color: white;
}

.dim_8f1e .row_tiny_62c7 {
  width: 100%;
  background: white;
}

.main_76a8 .row_tiny_62c7 {
  color: #667eea;
}

.fresh-72ba .row_tiny_62c7 {
  color: #f5576c;
}

/* ============================================
   17. TUTORIAL / STEPS
   ============================================ */
.text_1726 {
  max-width: 900px;
  margin: 0 auto;
}

.tabs-350e {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.lite_b0fe {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.media_4304 {
  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);
}

.lite_b0fe h3 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
}

.outline_lower_f1b4 {
  padding: var(--space-xl);
}

@media (max-width: 768px) {
  .lite_b0fe {
    padding: var(--space-md);
  }
  
  .outline_lower_f1b4 {
    padding: var(--space-md);
  }
  
  .focused-de5f {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
  }
}

.media_b8b4 ol,
.media_b8b4 ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.media_b8b4 li {
  margin-bottom: var(--space-sm);
}

.media_b8b4 code {
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

.action-bbe2 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #fff3e0;
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
}

.pagination-dim-ac43 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #ffebee;
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius-md);
}

.focused-de5f {
  margin-top: var(--space-lg);
  text-align: center;
}

.focused-de5f img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.frame_left_a10a,
.background-complex-e794,
.active_abb7,
.thick_9ac2 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.panel-smooth-3e21 {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.popup_tiny_3062 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.wood-33f4 {
  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) {
  .wood-33f4 {
    font-size: 0.625rem;
  }
}

.main_prev_df31 {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

.main_prev_df31:hover {
  background: var(--color-primary-dark);
}

.short-c26e {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  text-align: center;
}

.short-c26e h4 {
  margin-bottom: var(--space-md);
}

.popup_mini_2317 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ============================================
   18. SECURITY SECTION
   ============================================ */
.sort_bc62 {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-text-light);
}

.text_8c7d {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .text_8c7d {
    grid-template-columns: 1fr;
  }
}

.background-0bb5 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.hidden_8576 {
  border-color: var(--color-success);
}

.paper_a6a6 {
  border-color: var(--color-warning);
}

.header_e63e {
  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);
}

.hidden_8576 .header_e63e {
  background: #e8f5e9;
  color: var(--color-success);
}

.paper_a6a6 .header_e63e {
  background: #fff3e0;
  color: var(--color-warning);
}

.background-0bb5 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.background-0bb5 p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.gradient_green_a2ff {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.column-selected-0793 {
  margin: var(--space-xxl) 0;
}

.column-selected-0793 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-md);
}

.column-selected-0793 > p {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.nav_up_3bec {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .nav_up_3bec {
    grid-template-columns: 1fr;
  }
}

.sort-c5e9 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.sort-c5e9 h4 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.aside_3fb4 {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.aside_3fb4 input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 4px;
  cursor: pointer;
}

.form_smooth_8131 {
  margin-top: var(--space-xxl);
}

.first_6d06 {
  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);
}

.nav_fdf7 {
  text-align: center;
}

.advanced-6154 {
  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);
}

.notice_c00f {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: white;
}

.advanced-6154 .cold_036d {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

.preview_57a7 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.dynamic-69e6 p {
  margin-bottom: var(--space-md);
}

.progress-outer-625e {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .first_6d06 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   19. REVIEW SECTION
   ============================================ */
.dynamic-11b2 {
  max-width: 600px;
  margin: 0 auto var(--space-xxl);
}

.item_e21a {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.list-action-a9e6 {
  margin-bottom: var(--space-xl);
}

.badge-thick-3dc0 {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.hero-d8a0 {
  font-size: 2rem;
  color: #ffa000;
  letter-spacing: 4px;
  margin: var(--space-sm) 0;
}

.popup-right-1b45 {
  color: var(--color-text-light);
}

.main_59ab {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.secondary_96ee {
  display: grid;
  grid-template-columns: 40px 1fr 50px;
  align-items: center;
  gap: var(--space-sm);
}

.form-5d5a {
  font-weight: 600;
  color: var(--color-text);
}

.footer_short_ac0c {
  height: 12px;
  background: var(--color-border-light);
  border-radius: 6px;
  overflow: hidden;
}

.footer_0c25 {
  height: 100%;
  background: linear-gradient(90deg, #ffa000 0%, #ff6f00 100%);
  transition: width var(--transition-slow);
}

.active-ea65 {
  text-align: right;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.narrow_91a4 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.menu_4a5e {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
}

.stale-5fd8 {
  border: 2px solid #4caf50;
}

.paper-c231 {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.media_53e3 {
  display: flex;
  gap: var(--space-md);
  flex: 1;
}

.stone_5460 {
  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;
}

.module-under-8422 {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.thumbnail_1b80 {
  display: inline-block;
  padding: 2px 8px;
  background: #4caf50;
  color: white;
  font-size: 0.75rem;
  border-radius: 10px;
  margin-left: 8px;
}

.prev-301e {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.solid_0b06 {
  text-align: right;
}

.solid_0b06 .sidebar-fixed-84bb {
  color: #ffa000;
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.column-steel-6ed6 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.fluid-dbe8 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.fluid-dbe8 p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.hard-e947 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.panel-lower-99e2 {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.alert-b13b {
  background: #e8f5e9;
  color: #2e7d32;
}

.nav-3a91 {
  background: #e3f2fd;
  color: #1565c0;
}

.gradient-8b6d {
  background: #fff3e0;
  color: #e65100;
}

.pink-2c82 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.pink-2c82 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.filter_9bd1 {
  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);
}

.filter_9bd1:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.slider-right-91bf {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.video-hard-565d {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.video-hard-565d strong {
  color: var(--color-primary);
}

.description-ed87 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.modal-first-5230 {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   20. FAQ SECTION
   ============================================ */
.filter-brown-ec73 {
  max-width: 900px;
  margin: 0 auto;
}

.avatar-7b06 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.preview_lower_33eb {
  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);
}

.preview_lower_33eb:hover {
  background: var(--color-bg-alt);
}

.motion-a56c {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.preview_lower_33eb[aria-expanded="true"] .motion-a56c {
  transform: rotate(180deg);
}

.tooltip-5105 {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.tooltip-5105 h5 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.tooltip-5105 ul,
.tooltip-5105 ol {
  margin: var(--space-sm) 0;
  padding-left: var(--space-lg);
}

.tooltip-5105 li {
  margin-bottom: var(--space-xs);
}

.aside_copper_71b1 {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: #1e1e1e;
  color: #d4d4d4;
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.narrow-1900 {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: #9cdcfe;
}

.aside_copper_71b1 code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ============================================
   21. CONCLUSION SECTION
   ============================================ */
.under_893b {
  max-width: 800px;
  margin: 0 auto var(--space-xxl);
  text-align: center;
}

.basic-85e1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.selected_7cd4 {
  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);
}

.frame_4e94 {
  padding: 12px 24px;
  background: #4caf50;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
}

.pink_c1a7 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .pink_c1a7 {
    grid-template-columns: 1fr;
  }
}

.mask_left_be89,
.hot_f54d {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.mask_left_be89 {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.hot_f54d {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.mask_left_be89 h4,
.hot_f54d h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.mask_left_be89 ul,
.hot_f54d ul {
  list-style: none;
  padding: 0;
}

.mask_left_be89 li,
.hot_f54d li {
  padding: var(--space-sm) 0;
  line-height: 1.6;
}

.secondary_upper_2e5f {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .secondary_upper_2e5f {
    grid-template-columns: 1fr;
  }
}

.video_2109 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.north_a718 {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
}

.lower_6ac7 {
  background: linear-gradient(135deg, #f44336 0%, #e57373 100%);
  color: white;
}

.video_2109 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.video_2109 ul {
  list-style: none;
  padding: 0;
}

.video_2109 li {
  padding: var(--space-xs) 0;
  color: white;
}

.tooltip-4d42 {
  max-width: 800px;
  margin: var(--space-xxl) auto;
}

.tooltip-4d42 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.tooltip-4d42 p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

.detail_ea52 {
  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);
}

.focus-iron-0681 {
  font-style: italic;
}

.shadow-395c {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.active_7e7f {
  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;
}

.active_7e7f h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: white;
}

.active_7e7f p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  color: rgba(255,255,255,0.9);
}

.filter-fd29 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ============================================
   22. RELATED CONTENT
   ============================================ */
.warm-8828 {
  padding: var(--space-xxl) 0;
  background: var(--color-bg-section);
}

.article_stale_27ca {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.out-3a46 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .out-3a46 {
    grid-template-columns: 1fr;
  }
}

.sort_medium_958e {
  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);
}

.sort_medium_958e:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.menu_425f {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.sort_medium_958e h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.sort_medium_958e p {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ============================================
   23. FOOTER
   ============================================ */
.thumbnail_2bb0 {
  background: #212121;
  color: #e0e0e0;
  padding: var(--space-xxl) 0 var(--space-lg);
}

.title_cf0f {
  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) */
.menu-269b {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.slow_323e h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.slow_323e p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.form_de79 {
  list-style: none;
  padding: 0;
  margin: 0;
}

.form_de79 li {
  margin-bottom: var(--space-xs);
}

.form_de79 a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.form_de79 a:hover {
  color: white;
}

.paragraph_f8ea {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.paragraph_f8ea 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);
}

.paragraph_f8ea a:hover {
  color: white;
  border-color: #666;
  background: #333;
}

.disabled_7d8e {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.disabled_7d8e a {
  color: #808080;
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.disabled_7d8e a:hover {
  color: white;
}

.cool-4b9f > p {
  font-size: 0.875rem;
  color: #808080;
  margin: 0;
}

@media (max-width: 768px) {
  .title_cf0f,
  .menu-269b {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.layout-811d h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.hot-69b2 p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.overlay_pink_3bff {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.overlay_pink_3bff .mask_selected_78cc {
  color: #4caf50;
  font-size: 0.875rem;
}

.highlight_a413 {
  list-style: none;
  padding: 0;
}

.highlight_a413 li {
  margin-bottom: var(--space-xs);
}

.highlight_a413 a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.highlight_a413 a:hover {
  color: white;
}

.nav-c17f {
  list-style: none;
  padding: 0;
}

.nav-c17f li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: #b0b0b0;
}

.nav-c17f a {
  color: #b0b0b0;
  text-decoration: none;
}

.nav-c17f a:hover {
  color: white;
}

.cool-4b9f {
  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);
}

.gallery_c588 p {
  font-size: 0.875rem;
  color: #808080;
  margin-bottom: var(--space-xs);
}

.gallery_c588 a {
  color: #4caf50;
  text-decoration: none;
}

.layout-plasma-ff8c {
  font-size: 0.75rem;
  color: #666666;
}

.module_f28e {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: #808080;
}

.module_f28e a {
  color: #808080;
  text-decoration: none;
  transition: var(--transition-fast);
}

.module_f28e 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;
}

.hard_00d1 {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 600;
}

.hard_00d1:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .cool-4b9f {
    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;
  }
  
  .disabled-f190 {
    font-size: 2rem;
  }
  
  .in-d672 {
    font-size: 1.75rem;
  }
  
  /* Ensure all grids are single column */
  .pro-49f2,
  .first_8411 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }
  
  .button-gold-4913,
  .text_8c7d,
  .detail_a458,
  .nav_up_3bec,
  .pink_c1a7,
  .secondary_upper_2e5f,
  .out-3a46,
  .title_cf0f,
  .menu-269b {
    grid-template-columns: 1fr;
  }
  
  .plasma_c542 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile-specific adjustments */
  .mini-6942 {
    padding: var(--space-lg) 0;
  }
  
  .image-fresh-8a57 li a {
    font-size: 0.875rem;
    padding: var(--space-xs);
  }
  
  .image-fresh-8a57 li a:before {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
  
  /* Improve mobile readability */
  p, li {
    font-size: 0.9375rem;
  }
  
  /* Better touch targets */
  .row_tiny_62c7 {
    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;
  }
  
  .plasma_c542 {
    grid-template-columns: 1fr;
  }
  
  .banner-silver-7a74,
  .filter-fd29,
  .popup_mini_2317 {
    flex-direction: column;
    width: 100%;
  }
  
  .iron-4b35,
  .text-1e7a,
  .banner-silver-7a74 .row_tiny_62c7,
  .filter-fd29 .row_tiny_62c7 {
    width: 100%;
  }
  
  /* Smaller font sizes for very small screens */
  .disabled-f190 {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  .in-d672 {
    font-size: 1.375rem;
  }
  
  .detail_medium_ed6c {
    font-size: 2rem;
  }
  
  /* Reduce padding on small screens */
  .smooth-ef08,
  .banner-aecf,
  .shade-8d78,
  .menu_4a5e,
  .tabs-350e {
    padding: var(--space-md);
  }
  
  /* Improve code readability on mobile */
  code,
  .wood-33f4 {
    font-size: 0.625rem;
    word-break: break-all;
  }
  
  /* Better meta display */
  .caption_fresh_6d83 {
    gap: var(--space-xs);
  }
  
  .grid_medium_a430 {
    font-size: 0.75rem;
  }
  
  /* Optimize score circles */
  .description-faab {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }
  
  .advanced-6154 {
    width: 150px;
    height: 150px;
  }
  
  .notice_c00f {
    font-size: 3rem;
  }
}

/* ============================================
   25. PRINT STYLES
   ============================================ */
@media print {
  .form-next-f1d6,
  .middle_97eb,
  .banner-silver-7a74,
  .active_7e7f,
  .warm-8828,
  .thumbnail_2bb0,
  .filter-small-4dd0 {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .mini-6942 {
    page-break-inside: avoid;
  }
}

/* css-noise: e6f6 */
.ghost-box-o4 {
  padding: 0.1rem;
  font-size: 10px;
  line-height: 1.2;
}
