/* ============================================
   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)
   ============================================ */
.mini-db0d {
  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;
}

.mini-db0d:focus {
  top: 0;
}

/* ============================================
   3. CONTAINER & LAYOUT
   ============================================ */
.up_a97e {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .up_a97e {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  .up_a97e {
    padding: 0 12px;
  }
}

/* Prevent horizontal overflow on all elements EXCEPT header */
*:not(.active_f7ff):not(header) {
  max-width: 100%;
}

/* Allow specific elements to exceed container.
   html/body are excluded on purpose: releasing their max-width removes the
   last guard against a horizontally scrollable page. */
.active_f7ff,
header,
.picture-brown-1481,
.steel_8d7b,
.search-old-7edf,
.pro-e551,
.widget_5219,
.search-dda9,
.component-gas-d08c {
  max-width: none;
}

/* overflow-x stays off <html>: pairing it with body's hidden turns <html>
   into its own scroll container and breaks the sticky header. */
html,
body {
  width: 100%;
  max-width: 100%;
}

/* 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
   ============================================ */
.active_f7ff {
  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);
}

.layout-3a6a {
  animation: slideDown 0.3s ease-out;
}

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

/* Scrolled state */
.active_f7ff.overlay-purple-6abd {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 1);
}

.border-dc7f {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-md);
}

.advanced-2d25 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.outline-solid-739b img {
  height: 36px;
  width: auto;
  display: block;
}

.prev-60a7 {
  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;
}

.texture-wide-b721 {
  flex: 1;
}

.box-active-b83b {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.outline_b518 {
  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);
}

.outline_b518:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.outline_b518.element_yellow_5cb8 {
  background: var(--color-primary);
  color: white;
}

/* Dropdown Navigation */
.chip_brown_2233 {
  position: relative;
}

.heading_small_bfd9 {
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.heading_small_bfd9 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） */
.chip_brown_2233:hover .heading_small_bfd9 svg,
.heading_small_bfd9[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.panel_orange_e45b {
  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 */
.chip_brown_2233:hover .panel_orange_e45b {
  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 */
.panel_orange_e45b::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

.chip_1095 {
  display: block;
  padding: 10px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.chip_1095: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 */
.chip_1095[aria-current="page"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.slow_7538 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Header Login Button */
.container-44aa {
  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;
}

.container-44aa:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
  transform: translateY(-1px);
}

.container-44aa svg {
  flex-shrink: 0;
}

/* Header Download Button */
.title-out-f578 {
  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;
}

.title-out-f578: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);
}

.title-out-f578 svg {
  flex-shrink: 0;
  animation: bounce 2s infinite;
}

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

.backdrop_lite_bf7c {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.hard_6c8a {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

/* Hamburger animation when active */
.backdrop_lite_bf7c[aria-expanded="true"] .hard_6c8a:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.backdrop_lite_bf7c[aria-expanded="true"] .hard_6c8a:nth-child(2) {
  opacity: 0;
}

.backdrop_lite_bf7c[aria-expanded="true"] .hard_6c8a:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Menu */
@media (max-width: 1100px) {
  .texture-wide-b721 {
    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 */
  }

  .texture-wide-b721::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Edge(Chromium) */
  }
  
  .texture-wide-b721.filter_short_bc0c {
    display: block;
    right: 0;
  }
  
  .box-active-b83b {
    flex-direction: column;
    gap: 0;
  }
  
  .outline_b518 {
    display: block;
    padding: 16px 24px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  /* Mobile overlay */
  .texture-wide-b721::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;
  }
  
  .texture-wide-b721.filter_short_bc0c::before {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 1100px) {
  .texture-wide-b721 {
    display: none;
  }
  
  .backdrop_lite_bf7c {
    display: flex;
  }
  
  .prev-60a7 {
    display: none;
  }
  
  /* Adjust header buttons on tablet */
  .container-44aa,
  .title-out-f578 {
    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 */
  .chip_brown_2233 {
    position: relative;
  }
  
  .panel_orange_e45b {
    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;
  }
  
  .heading_small_bfd9[aria-expanded="true"] + .panel_orange_e45b {
    max-height: 320px; /* 足够容纳所有子项，展开时自然撑开 */
    margin-top: 8px;
  }
  
  .chip_1095 {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  /* Stack buttons vertically or hide login on small screens */
  .slow_7538 {
    gap: 8px;
  }
  
  .container-44aa {
    display: none;
  }
  
  .title-out-f578 {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  
  .outline-solid-739b img {
    height: 32px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .title-out-f578 {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }
  
  .title-out-f578 svg {
    width: 14px;
    height: 14px;
  }
  
  .border-dc7f {
    gap: var(--space-sm);
  }
}

/* ============================================
   5. ARTICLE META BANNER
   ============================================ */
.picture-brown-1481 {
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.thumbnail-9baf {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.table_bec4 {
  display: flex;
  align-items: center;
  gap: 6px;
}

.table_bec4 svg {
  flex-shrink: 0;
}

.table_bec4 a {
  color: var(--color-primary);
  text-decoration: none;
}

.table_bec4 a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .thumbnail-9baf {
    font-size: 0.8125rem;
    gap: var(--space-sm);
  }
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.steel_8d7b {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.background_cc40 {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}

@media (max-width: 1024px) {
  .background_cc40 {
    grid-template-columns: 1fr 350px;
    gap: var(--space-lg);
  }
}

.thick_9716 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.thick_9716 a {
  color: var(--color-primary);
  text-decoration: none;
}

.thick_9716 a:hover {
  text-decoration: underline;
}

.form-new-4a19 {
  color: var(--color-text-lighter);
}

.box-full-dd4a {
  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) {
  .box-full-dd4a {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .box-full-dd4a {
    font-size: 1.5rem;
  }
}

.border_f50b {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.menu_pressed_4151 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .menu_pressed_4151 {
    grid-template-columns: 1fr;
  }
}

.text_down_a9e1 {
  display: flex;
  gap: var(--space-sm);
}

.tertiary-2e21 {
  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;
}

.liquid_20fc {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.liquid_20fc strong {
  font-weight: 600;
  color: var(--color-text);
}

.liquid_20fc span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.texture-33e7 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hover_yellow_f425 {
  display: flex;
  align-items: center;
  justify-content: center;
}

.container-stone-f73a {
  position: relative;
  text-align: center;
}

.container-stone-f73a img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.right_575f {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.paragraph_copper_d451 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.form-797d {
  color: #ffa000;
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.avatar-7972 {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.hovered-87dc {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.header_white_4684 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 968px) {
  .background_cc40 {
    grid-template-columns: 1fr;
  }
  
  .box-full-dd4a {
    font-size: 1.75rem;
  }
  
  .hover_yellow_f425 {
    order: -1;
    max-width: 100%;
  }
  
  .container-stone-f73a {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .box-full-dd4a {
    font-size: 1.5rem;
  }
  
  .border_f50b {
    font-size: 1rem;
  }
  
  .thick_9716 {
    font-size: 0.8125rem;
    flex-wrap: wrap;
  }
  
  .container-stone-f73a {
    max-width: 250px;
  }
}

/* ============================================
   7. BUTTONS
   ============================================ */
.section_copper_d1bb {
  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;
}

.content_32a6 {
  background: var(--color-primary);
  color: white;
}

.content_32a6:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.module_b6ce {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.module_b6ce:hover {
  background: var(--color-primary);
  color: white;
}

.old_51f8 {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.old_51f8:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.prev-48b9 {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.pattern-mini-95d6 {
  padding: 20px 40px;
  font-size: 1.25rem;
}

/* ============================================
   8. STATS SECTION
   ============================================ */
.search-old-7edf {
  padding: var(--space-xl) 0;
  background: white;
}

.east-e73d {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.tabs-a291 {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.tabs-a291:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.preview-solid-2058 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.table-2d5d {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.upper_9df2 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   9. TABLE OF CONTENTS
   ============================================ */
.pro-e551 {
  padding: var(--space-xl) 0;
  background: var(--color-bg-section);
}

.banner-liquid-8023 {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.text-huge-3301 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.nav_tiny_152e {
  list-style: none;
  counter-reset: toc-counter;
}

.nav_tiny_152e li {
  counter-increment: toc-counter;
  margin-bottom: var(--space-sm);
}

.nav_tiny_152e 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);
}

.nav_tiny_152e 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;
}

.nav_tiny_152e li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ============================================
   10. CONTENT SECTIONS
   ============================================ */
.widget_5219 {
  padding: var(--space-xxl) 0;
}

.alert-inner-d445 {
  background: var(--color-bg-section);
}

.brown-65ac {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.rough-2481 {
  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);
}

.article-easy-4cb5 {
  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);
}

.outline_simple_448e {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.white-ad2f {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-xl);
  width: 100%;
}

@media (max-width: 1200px) {
  .white-ad2f {
    grid-template-columns: 1fr 300px;
  }
}

.card-0397 {
  max-width: 750px;
  width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.card-0397 img {
  max-width: 100%;
  height: auto;
  display: block;
}

.card-0397 pre,
.card-0397 code {
  overflow-x: auto;
  max-width: 100%;
}

.card-0397 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);
}

.card-0397 h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text);
}

.card-0397 h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.card-0397 p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.card-0397 ul,
.card-0397 ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.card-0397 li {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.card-0397 strong {
  font-weight: 600;
  color: var(--color-text);
}

.card-0397 a {
  color: var(--color-primary);
  text-decoration: underline;
}

.card-0397 a:hover {
  color: var(--color-primary-dark);
}

.narrow-6c71 {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
}

.narrow-6c71 li {
  counter-increment: list-counter;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: var(--space-md);
}

.narrow-6c71 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) {
  .white-ad2f {
    grid-template-columns: 1fr;
  }
  
  .article-easy-4cb5 {
    font-size: 1.75rem;
  }
  
  .card-0397 {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .article-easy-4cb5 {
    font-size: 1.5rem;
  }
  
  .card-0397 h3 {
    font-size: 1.375rem;
  }
  
  .card-0397 h4 {
    font-size: 1.125rem;
  }
}

/* ============================================
   11. INFO BOXES
   ============================================ */
.overlay_fd66 {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  border-left: 4px solid;
}

.notice-5edb {
  background: #fff3e0;
  border-color: var(--color-warning);
}

.alert_13c0 {
  background: #e3f2fd;
  border-color: var(--color-primary);
}

.upper_ab8d {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.rough_bf82 strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

/* ============================================
   12. AUTHOR NOTE
   ============================================ */
.feature-medium-609e {
  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;
}

.dynamic_5a44 {
  flex-shrink: 0;
}

.easy-283f strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

/* ============================================
   13. TABLES
   ============================================ */
.sidebar_1b60 {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .sidebar_1b60 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
    border-radius: 0;
  }
}

.hidden-7edd,
.tooltip-orange-9712,
.heading-125b {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.hidden-7edd thead,
.tooltip-orange-9712 thead {
  background: var(--color-primary);
  color: white;
}

.hidden-7edd th,
.hidden-7edd td,
.tooltip-orange-9712 th,
.tooltip-orange-9712 td,
.heading-125b th,
.heading-125b td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .hidden-7edd th,
  .hidden-7edd td,
  .tooltip-orange-9712 th,
  .tooltip-orange-9712 td,
  .heading-125b th,
  .heading-125b td {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  .hidden-7edd,
  .tooltip-orange-9712,
  .heading-125b {
    min-width: 600px;
  }
}

.hidden-7edd th,
.tooltip-orange-9712 th,
.heading-125b th {
  font-weight: 600;
}

.hidden-7edd tbody tr:hover,
.tooltip-orange-9712 tbody tr:hover,
.heading-125b tbody tr:hover {
  background: var(--color-bg-alt);
}

.filter_477c {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ============================================
   14. SIDEBAR
   ============================================ */
.highlight_16cb {
  position: sticky;
  top: 80px;
  align-self: start;
}

.caption-810f {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.caption-810f h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.highlight-dea1 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.highlight-dea1 h4 {
  color: white;
}

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

.primary-c9b8 {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.primary-c9b8:last-child {
  border-bottom: none;
}

.primary-c9b8 dt {
  font-weight: 600;
  color: var(--color-text-light);
}

.primary-c9b8 dd {
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
}

.form-under-b2be {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

.container-48da {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-md);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.container-48da:hover {
  text-decoration: underline;
}

.preview_gas_f7d7 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.under-198e {
  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);
}

.under-198e span {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.banner_9ed9 {
  font-weight: 600;
  color: white;
}

.summary_fdb9 {
  list-style: none;
  padding: 0;
}

.summary_fdb9 li {
  padding: var(--space-xs) 0;
}

.list_74f4 {
  color: #4caf50;
}

.hovered-d7ae {
  color: #ff9800;
}

.module-184c {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.active-eb61 {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: var(--space-sm);
}

.north_91b3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.narrow_6aa9 {
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}

.footer-next-d85e {
  height: 100%;
  background: linear-gradient(90deg, #4caf50 0%, #8bc34a 100%);
  transition: width var(--transition-slow);
}

.button-cool-f554 {
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
}

/* ============================================
   15. FEATURE GRID
   ============================================ */
.heading_9433 {
  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_9433 {
    grid-template-columns: 1fr;
  }
}

.mask_complex_835e {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
}

.mask_complex_835e:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.center-dae2 {
  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;
}

.mask_complex_835e h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.mask_complex_835e p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.rough-7a8b {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.banner_9ed9 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.main_1287 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}

.wide_b6ed {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.wide_b6ed h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

/* ============================================
   16. COMPARISON & DECISION HELPER
   ============================================ */
.slow-daa0 {
  max-width: 900px;
  margin: 0 auto;
}

.complex_90c6 {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.input-ef40 {
  margin: var(--space-xl) 0;
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .input-ef40 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
  }
}

.input-north-30de {
  margin-top: var(--space-xxl);
}

.input-north-30de h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.progress-gas-34d8 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .progress-gas-34d8 {
    grid-template-columns: 1fr;
  }
}

.full-17c4 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.aside-red-2452 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.stale-2411 {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.full-17c4 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.full-17c4 ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.full-17c4 li {
  padding: var(--space-xs) 0;
  color: white;
}

.full-17c4 .section_copper_d1bb {
  width: 100%;
  background: white;
}

.aside-red-2452 .section_copper_d1bb {
  color: #667eea;
}

.stale-2411 .section_copper_d1bb {
  color: #f5576c;
}

/* ============================================
   17. TUTORIAL / STEPS
   ============================================ */
.disabled_selected_832e {
  max-width: 900px;
  margin: 0 auto;
}

.item_lower_5dd1 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.wide-83ed {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.overlay_89b0 {
  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);
}

.wide-83ed h3 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
}

.clean-61a9 {
  padding: var(--space-xl);
}

@media (max-width: 768px) {
  .wide-83ed {
    padding: var(--space-md);
  }
  
  .clean-61a9 {
    padding: var(--space-md);
  }
  
  .primary-3dd9 {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
  }
}

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

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

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

.container_03e2 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #fff3e0;
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
}

.bronze-2716 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #ffebee;
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius-md);
}

.primary-3dd9 {
  margin-top: var(--space-lg);
  text-align: center;
}

.primary-3dd9 img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.pattern-add5,
.aside-outer-a3e4,
.notice_a380,
.paper_b593 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.shadow-5d4b {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.shade_south_1365 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.upper-1f54 {
  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) {
  .upper-1f54 {
    font-size: 0.625rem;
  }
}

.menu-gold-61a7 {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

.menu-gold-61a7:hover {
  background: var(--color-primary-dark);
}

.breadcrumb-dark-0e2f {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  text-align: center;
}

.breadcrumb-dark-0e2f h4 {
  margin-bottom: var(--space-md);
}

.component-tall-a503 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ============================================
   18. SECURITY SECTION
   ============================================ */
.row-4562 {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-text-light);
}

.preview-inner-e4e5 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .preview-inner-e4e5 {
    grid-template-columns: 1fr;
  }
}

.accent_short_8a25 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.widget-0df4 {
  border-color: var(--color-success);
}

.avatar_fd69 {
  border-color: var(--color-warning);
}

.simple-d4a5 {
  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);
}

.widget-0df4 .simple-d4a5 {
  background: #e8f5e9;
  color: var(--color-success);
}

.avatar_fd69 .simple-d4a5 {
  background: #fff3e0;
  color: var(--color-warning);
}

.accent_short_8a25 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.accent_short_8a25 p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.easy_a98b {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.background_black_1ee3 {
  margin: var(--space-xxl) 0;
}

.background_black_1ee3 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-md);
}

.background_black_1ee3 > p {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.pink-557a {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .pink-557a {
    grid-template-columns: 1fr;
  }
}

.active-016c {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.active-016c h4 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.element-cda0 {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.element-cda0 input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 4px;
  cursor: pointer;
}

.breadcrumb-dim-826b {
  margin-top: var(--space-xxl);
}

.picture_f771 {
  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);
}

.search_steel_76bf {
  text-align: center;
}

.sidebar-north-4111 {
  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);
}

.cool-d8c4 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: white;
}

.sidebar-north-4111 .banner_9ed9 {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

.slider-prev-7d24 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.new_a2f3 p {
  margin-bottom: var(--space-md);
}

.pagination-old-8e21 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .picture_f771 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   19. REVIEW SECTION
   ============================================ */
.light_32f9 {
  max-width: 600px;
  margin: 0 auto var(--space-xxl);
}

.active-db22 {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.focused_f134 {
  margin-bottom: var(--space-xl);
}

.focus_6a3b {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.card_e810 {
  font-size: 2rem;
  color: #ffa000;
  letter-spacing: 4px;
  margin: var(--space-sm) 0;
}

.paragraph-93f1 {
  color: var(--color-text-light);
}

.mask_65e5 {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.surface_c7c5 {
  display: grid;
  grid-template-columns: 40px 1fr 50px;
  align-items: center;
  gap: var(--space-sm);
}

.middle_d6c1 {
  font-weight: 600;
  color: var(--color-text);
}

.active-copper-af9c {
  height: 12px;
  background: var(--color-border-light);
  border-radius: 6px;
  overflow: hidden;
}

.bottom_ad5c {
  height: 100%;
  background: linear-gradient(90deg, #ffa000 0%, #ff6f00 100%);
  transition: width var(--transition-slow);
}

.slider-e819 {
  text-align: right;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.soft_eeb3 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.list-soft-2cdb {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
}

.layout-wood-6fc4 {
  border: 2px solid #4caf50;
}

.footer-soft-3243 {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.primary_89ab {
  display: flex;
  gap: var(--space-md);
  flex: 1;
}

.header-3cc9 {
  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;
}

.badge_pink_ce29 {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.column-9850 {
  display: inline-block;
  padding: 2px 8px;
  background: #4caf50;
  color: white;
  font-size: 0.75rem;
  border-radius: 10px;
  margin-left: 8px;
}

.mini-dd38 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.center-65b7 {
  text-align: right;
}

.center-65b7 .huge-5d8f {
  color: #ffa000;
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.pagination-fcd2 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.hover-iron-f462 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.hover-iron-f462 p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.fresh-95a4 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.link_27c4 {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.active_inner_6a7c {
  background: #e8f5e9;
  color: #2e7d32;
}

.popup-hot-5cc2 {
  background: #e3f2fd;
  color: #1565c0;
}

.mini-02c9 {
  background: #fff3e0;
  color: #e65100;
}

.element_lower_3aea {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.element_lower_3aea span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.text-cold-e747 {
  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);
}

.text-cold-e747:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.hovered-d4d9 {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.tertiary-black-fd0f {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.tertiary-black-fd0f strong {
  color: var(--color-primary);
}

.menu_a6f9 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.selected_d026 {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   20. FAQ SECTION
   ============================================ */
.card_ee38 {
  max-width: 900px;
  margin: 0 auto;
}

.article_48d6 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.component-thick-c5d9 {
  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);
}

.component-thick-c5d9:hover {
  background: var(--color-bg-alt);
}

.accordion-6a39 {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.component-thick-c5d9[aria-expanded="true"] .accordion-6a39 {
  transform: rotate(180deg);
}

.footer_e0ff {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.footer_e0ff h5 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.footer_e0ff ul,
.footer_e0ff ol {
  margin: var(--space-sm) 0;
  padding-left: var(--space-lg);
}

.footer_e0ff li {
  margin-bottom: var(--space-xs);
}

.action-d0df {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: #1e1e1e;
  color: #d4d4d4;
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.media-8c5e {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: #9cdcfe;
}

.action-d0df code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ============================================
   21. CONCLUSION SECTION
   ============================================ */
.text_clean_0a79 {
  max-width: 800px;
  margin: 0 auto var(--space-xxl);
  text-align: center;
}

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

.section_old_6d97 {
  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);
}

.header_lite_1421 {
  padding: 12px 24px;
  background: #4caf50;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
}

.item_dark_163e {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .item_dark_163e {
    grid-template-columns: 1fr;
  }
}

.gas-a0b7,
.search_blue_6f02 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.gas-a0b7 {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.search_blue_6f02 {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.gas-a0b7 h4,
.search_blue_6f02 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.gas-a0b7 ul,
.search_blue_6f02 ul {
  list-style: none;
  padding: 0;
}

.gas-a0b7 li,
.search_blue_6f02 li {
  padding: var(--space-sm) 0;
  line-height: 1.6;
}

.info-4736 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .info-4736 {
    grid-template-columns: 1fr;
  }
}

.focus-8a08 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.pattern-brown-53b0 {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
}

.image-9cf8 {
  background: linear-gradient(135deg, #f44336 0%, #e57373 100%);
  color: white;
}

.focus-8a08 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.focus-8a08 ul {
  list-style: none;
  padding: 0;
}

.focus-8a08 li {
  padding: var(--space-xs) 0;
  color: white;
}

.complex_496f {
  max-width: 800px;
  margin: var(--space-xxl) auto;
}

.complex_496f h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.complex_496f p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

.west_7895 {
  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);
}

.nav-easy-5441 {
  font-style: italic;
}

.shade_fast_8d51 {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.item_focused_d9e7 {
  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;
}

.item_focused_d9e7 h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: white;
}

.item_focused_d9e7 p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  color: rgba(255,255,255,0.9);
}

.preview-1426 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ============================================
   22. RELATED CONTENT
   ============================================ */
.search-dda9 {
  padding: var(--space-xxl) 0;
  background: var(--color-bg-section);
}

.card-bright-b769 {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.content-over-1918 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .content-over-1918 {
    grid-template-columns: 1fr;
  }
}

.banner_inner_ad6d {
  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);
}

.banner_inner_ad6d:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.brown_2ccb {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.banner_inner_ad6d h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.banner_inner_ad6d p {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ============================================
   23. FOOTER
   ============================================ */
.component-gas-d08c {
  background: #212121;
  color: #e0e0e0;
  padding: var(--space-xxl) 0 var(--space-lg);
}

.item-fixed-dd5e {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (max-width: 768px) {
  .item-fixed-dd5e {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.highlight_brown_bdb1 h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.black_ebd4 p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.easy-01f6 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.easy-01f6 .text_down_a9e1 {
  color: #4caf50;
  font-size: 0.875rem;
}

.motion-351b {
  list-style: none;
  padding: 0;
}

.motion-351b li {
  margin-bottom: var(--space-xs);
}

.motion-351b a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.motion-351b a:hover {
  color: white;
}

.picture-04b9 {
  list-style: none;
  padding: 0;
}

.picture-04b9 li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: #b0b0b0;
}

.picture-04b9 a {
  color: #b0b0b0;
  text-decoration: none;
}

.picture-04b9 a:hover {
  color: white;
}

.menu_c41f {
  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);
}

.component_a775 p {
  font-size: 0.875rem;
  color: #808080;
  margin-bottom: var(--space-xs);
}

.component_a775 a {
  color: #4caf50;
  text-decoration: none;
}

.hard-15f7 {
  font-size: 0.75rem;
  color: #666666;
}

.tabs-817b {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: #808080;
}

.glass-1077 {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 600;
}

.glass-1077:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .menu_c41f {
    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;
  }
  
  .box-full-dd4a {
    font-size: 2rem;
  }
  
  .article-easy-4cb5 {
    font-size: 1.75rem;
  }
  
  /* Ensure all grids are single column */
  .background_cc40,
  .white-ad2f {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }
  
  .heading_9433,
  .preview-inner-e4e5,
  .progress-gas-34d8,
  .pink-557a,
  .item_dark_163e,
  .info-4736,
  .content-over-1918,
  .item-fixed-dd5e {
    grid-template-columns: 1fr;
  }
  
  .east-e73d {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile-specific adjustments */
  .widget_5219 {
    padding: var(--space-lg) 0;
  }
  
  .nav_tiny_152e li a {
    font-size: 0.875rem;
    padding: var(--space-xs);
  }
  
  .nav_tiny_152e li a:before {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
  
  /* Improve mobile readability */
  p, li {
    font-size: 0.9375rem;
  }
  
  /* Better touch targets */
  .section_copper_d1bb {
    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;
  }
  
  .east-e73d {
    grid-template-columns: 1fr;
  }
  
  .texture-33e7,
  .preview-1426,
  .component-tall-a503 {
    flex-direction: column;
    width: 100%;
  }
  
  .prev-48b9,
  .pattern-mini-95d6,
  .texture-33e7 .section_copper_d1bb,
  .preview-1426 .section_copper_d1bb {
    width: 100%;
  }
  
  /* Smaller font sizes for very small screens */
  .box-full-dd4a {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  .article-easy-4cb5 {
    font-size: 1.375rem;
  }
  
  .preview-solid-2058 {
    font-size: 2rem;
  }
  
  /* Reduce padding on small screens */
  .tabs-a291,
  .mask_complex_835e,
  .caption-810f,
  .list-soft-2cdb,
  .item_lower_5dd1 {
    padding: var(--space-md);
  }
  
  /* Improve code readability on mobile */
  code,
  .upper-1f54 {
    font-size: 0.625rem;
    word-break: break-all;
  }
  
  /* Better meta display */
  .thumbnail-9baf {
    gap: var(--space-xs);
  }
  
  .table_bec4 {
    font-size: 0.75rem;
  }
  
  /* Optimize score circles */
  .under-198e {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }
  
  .sidebar-north-4111 {
    width: 150px;
    height: 150px;
  }
  
  .cool-d8c4 {
    font-size: 3rem;
  }
}

/* ============================================
   25. PRINT STYLES
   ============================================ */
@media print {
  .active_f7ff,
  .picture-brown-1481,
  .texture-33e7,
  .item_focused_d9e7,
  .search-dda9,
  .component-gas-d08c,
  .backdrop_lite_bf7c {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .widget_5219 {
    page-break-inside: avoid;
  }
}

/* css-noise: eb39 */
.hero-solid-5fc5 {
  padding: 0.3rem;
  font-size: 14px;
  line-height: 1.3;
}

/* css-noise: 1f44 */
.widget-item-w6 {
  padding: 0.1rem;
  font-size: 14px;
  line-height: 1.2;
}
