/* ============================================
   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)
   ============================================ */
.primary_57b9 {
  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;
}

.primary_57b9:focus {
  top: 0;
}

/* ============================================
   3. CONTAINER & LAYOUT
   ============================================ */
.accent_selected_f585 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .accent_selected_f585 {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  .accent_selected_f585 {
    padding: 0 12px;
  }
}

/* Prevent horizontal overflow on all elements EXCEPT header */
*:not(.tooltip-ad3d):not(header) {
  max-width: 100%;
}

/* Allow specific elements to exceed container */
html,
body,
.tooltip-ad3d,
header,
.hidden-59f4,
.brown-2155,
.gas-efea,
.small_a046,
.short_72f5,
.main-b0bb,
.stone_faf3 {
  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
   ============================================ */
.tooltip-ad3d {
  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);
}

.pagination_4407 {
  animation: slideDown 0.3s ease-out;
}

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

/* Scrolled state */
.tooltip-ad3d.hovered-d8a7 {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 1);
}

.hover_up_0d33 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-md);
}

.small_f3c8 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.paper-cd76 img {
  height: 36px;
  width: auto;
  display: block;
}

.smooth-d9ae {
  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;
}

.badge-upper-ece2 {
  flex: 1;
}

.frame_9be3 {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.down_a639 {
  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);
}

.down_a639:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.down_a639.fn-active-4ed4 {
  background: var(--color-primary);
  color: white;
}

/* Dropdown Navigation */
.menu_slow_9293 {
  position: relative;
}

.light-b9f6 {
  display: flex;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.light-b9f6 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） */
.menu_slow_9293:hover .light-b9f6 svg,
.light-b9f6[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.tertiary_ba18 {
  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 */
.menu_slow_9293:hover .tertiary_ba18 {
  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 */
.tertiary_ba18::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: transparent;
}

.picture-fresh-5783 {
  display: block;
  padding: 10px 20px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.picture-fresh-5783: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 */
.picture-fresh-5783[aria-current="page"] {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.layout-cool-8214 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Header Login Button */
.media-dirty-3604 {
  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;
}

.media-dirty-3604:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
  transform: translateY(-1px);
}

.media-dirty-3604 svg {
  flex-shrink: 0;
}

/* Header Download Button */
.main-1400 {
  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;
}

.main-1400: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);
}

.main-1400 svg {
  flex-shrink: 0;
  animation: bounce 2s infinite;
}

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

.tooltip_a2cb {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  z-index: 1001;
}

.full-6043 {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
}

/* Hamburger animation when active */
.tooltip_a2cb[aria-expanded="true"] .full-6043:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.tooltip_a2cb[aria-expanded="true"] .full-6043:nth-child(2) {
  opacity: 0;
}

.tooltip_a2cb[aria-expanded="true"] .full-6043:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Menu */
@media (max-width: 1100px) {
  .badge-upper-ece2 {
    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 */
  }

  .badge-upper-ece2::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Edge(Chromium) */
  }
  
  .badge-upper-ece2.widget-south-38c7 {
    display: block;
    right: 0;
  }
  
  .frame_9be3 {
    flex-direction: column;
    gap: 0;
  }
  
  .down_a639 {
    display: block;
    padding: 16px 24px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  
  /* Mobile overlay */
  .badge-upper-ece2::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;
  }
  
  .badge-upper-ece2.widget-south-38c7::before {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 1100px) {
  .badge-upper-ece2 {
    display: none;
  }
  
  .tooltip_a2cb {
    display: flex;
  }
  
  .smooth-d9ae {
    display: none;
  }
  
  /* Adjust header buttons on tablet */
  .media-dirty-3604,
  .main-1400 {
    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 */
  .menu_slow_9293 {
    position: relative;
  }
  
  .tertiary_ba18 {
    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;
  }
  
  .light-b9f6[aria-expanded="true"] + .tertiary_ba18 {
    max-height: 320px; /* 足够容纳所有子项，展开时自然撑开 */
    margin-top: 8px;
  }
  
  .picture-fresh-5783 {
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  /* Stack buttons vertically or hide login on small screens */
  .layout-cool-8214 {
    gap: 8px;
  }
  
  .media-dirty-3604 {
    display: none;
  }
  
  .main-1400 {
    padding: 8px 16px;
    font-size: 0.875rem;
  }
  
  .paper-cd76 img {
    height: 32px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .main-1400 {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }
  
  .main-1400 svg {
    width: 14px;
    height: 14px;
  }
  
  .hover_up_0d33 {
    gap: var(--space-sm);
  }
}

/* ============================================
   5. ARTICLE META BANNER
   ============================================ */
.hidden-59f4 {
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.detail_097c {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.shadow-4211 {
  display: flex;
  align-items: center;
  gap: 6px;
}

.shadow-4211 svg {
  flex-shrink: 0;
}

.shadow-4211 a {
  color: var(--color-primary);
  text-decoration: none;
}

.shadow-4211 a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .detail_097c {
    font-size: 0.8125rem;
    gap: var(--space-sm);
  }
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.brown-2155 {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.button_4e28 {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-xl);
  align-items: center;
  width: 100%;
}

@media (max-width: 1024px) {
  .button_4e28 {
    grid-template-columns: 1fr 350px;
    gap: var(--space-lg);
  }
}

.element_6935 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.element_6935 a {
  color: var(--color-primary);
  text-decoration: none;
}

.element_6935 a:hover {
  text-decoration: underline;
}

.tooltip_09af {
  color: var(--color-text-lighter);
}

.notice_2c90 {
  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) {
  .notice_2c90 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .notice_2c90 {
    font-size: 1.5rem;
  }
}

.form_08cf {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.gradient-b877 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .gradient-b877 {
    grid-template-columns: 1fr;
  }
}

.tertiary_0999 {
  display: flex;
  gap: var(--space-sm);
}

.slow_db15 {
  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;
}

.info-43c8 {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-43c8 strong {
  font-weight: 600;
  color: var(--color-text);
}

.info-43c8 span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.tertiary-b0b3 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.summary-lower-cc58 {
  display: flex;
  align-items: center;
  justify-content: center;
}

.huge-95e8 {
  position: relative;
  text-align: center;
}

.huge-95e8 img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
}

.input_lite_409a {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.fluid-b5ee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.detail-7915 {
  color: #ffa000;
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.background-45b7 {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.caption_narrow_d13d {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.border_clean_03aa {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 968px) {
  .button_4e28 {
    grid-template-columns: 1fr;
  }
  
  .notice_2c90 {
    font-size: 1.75rem;
  }
  
  .summary-lower-cc58 {
    order: -1;
    max-width: 100%;
  }
  
  .huge-95e8 {
    max-width: 300px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .notice_2c90 {
    font-size: 1.5rem;
  }
  
  .form_08cf {
    font-size: 1rem;
  }
  
  .element_6935 {
    font-size: 0.8125rem;
    flex-wrap: wrap;
  }
  
  .huge-95e8 {
    max-width: 250px;
  }
}

/* ============================================
   7. BUTTONS
   ============================================ */
.surface-dynamic-6fc1 {
  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;
}

.smooth-a4f4 {
  background: var(--color-primary);
  color: white;
}

.smooth-a4f4:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.nav-fluid-5d88 {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.nav-fluid-5d88:hover {
  background: var(--color-primary);
  color: white;
}

.summary_34cd {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.summary_34cd:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.pagination-stale-af58 {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.outer-55f0 {
  padding: 20px 40px;
  font-size: 1.25rem;
}

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

.grid_73ce {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.pattern_03c8 {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.pattern_03c8:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.title_e20c {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.white_a8db {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.smooth-44f4 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   9. TABLE OF CONTENTS
   ============================================ */
.small_a046 {
  padding: var(--space-xl) 0;
  background: var(--color-bg-section);
}

.action-dd9e {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.red-18e4 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.iron_2ce5 {
  list-style: none;
  counter-reset: toc-counter;
}

.iron_2ce5 li {
  counter-increment: toc-counter;
  margin-bottom: var(--space-sm);
}

.iron_2ce5 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);
}

.iron_2ce5 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;
}

.iron_2ce5 li a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ============================================
   10. CONTENT SECTIONS
   ============================================ */
.short_72f5 {
  padding: var(--space-xxl) 0;
}

.complex-0dfe {
  background: var(--color-bg-section);
}

.layout_f424 {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.green_7f39 {
  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);
}

.nav-advanced-3bb0 {
  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);
}

.dark-838a {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.media_ec78 {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-xl);
  width: 100%;
}

@media (max-width: 1200px) {
  .media_ec78 {
    grid-template-columns: 1fr 300px;
  }
}

.detail_3a61 {
  max-width: 750px;
  width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.detail_3a61 img {
  max-width: 100%;
  height: auto;
  display: block;
}

.detail_3a61 pre,
.detail_3a61 code {
  overflow-x: auto;
  max-width: 100%;
}

.detail_3a61 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);
}

.detail_3a61 h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text);
}

.detail_3a61 h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.detail_3a61 p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.detail_3a61 ul,
.detail_3a61 ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.detail_3a61 li {
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.detail_3a61 strong {
  font-weight: 600;
  color: var(--color-text);
}

.detail_3a61 a {
  color: var(--color-primary);
  text-decoration: underline;
}

.detail_3a61 a:hover {
  color: var(--color-primary-dark);
}

.paper-c9cc {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
}

.paper-c9cc li {
  counter-increment: list-counter;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: var(--space-md);
}

.paper-c9cc 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) {
  .media_ec78 {
    grid-template-columns: 1fr;
  }
  
  .nav-advanced-3bb0 {
    font-size: 1.75rem;
  }
  
  .detail_3a61 {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .nav-advanced-3bb0 {
    font-size: 1.5rem;
  }
  
  .detail_3a61 h3 {
    font-size: 1.375rem;
  }
  
  .detail_3a61 h4 {
    font-size: 1.125rem;
  }
}

/* ============================================
   11. INFO BOXES
   ============================================ */
.bottom-8597 {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  border-left: 4px solid;
}

.gold-b9be {
  background: #fff3e0;
  border-color: var(--color-warning);
}

.gold_439a {
  background: #e3f2fd;
  border-color: var(--color-primary);
}

.tag-2a36 {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.slider_959a strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

/* ============================================
   12. AUTHOR NOTE
   ============================================ */
.large-2207 {
  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;
}

.green-52d3 {
  flex-shrink: 0;
}

.steel-84af strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

/* ============================================
   13. TABLES
   ============================================ */
.focused-0c97 {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .focused-0c97 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
    border-radius: 0;
  }
}

.secondary-2996,
.item-mini-0243,
.paragraph_0342 {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.secondary-2996 thead,
.item-mini-0243 thead {
  background: var(--color-primary);
  color: white;
}

.secondary-2996 th,
.secondary-2996 td,
.item-mini-0243 th,
.item-mini-0243 td,
.paragraph_0342 th,
.paragraph_0342 td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .secondary-2996 th,
  .secondary-2996 td,
  .item-mini-0243 th,
  .item-mini-0243 td,
  .paragraph_0342 th,
  .paragraph_0342 td {
    padding: var(--space-sm);
    font-size: 0.875rem;
  }
  
  .secondary-2996,
  .item-mini-0243,
  .paragraph_0342 {
    min-width: 600px;
  }
}

.secondary-2996 th,
.item-mini-0243 th,
.paragraph_0342 th {
  font-weight: 600;
}

.secondary-2996 tbody tr:hover,
.item-mini-0243 tbody tr:hover,
.paragraph_0342 tbody tr:hover {
  background: var(--color-bg-alt);
}

.soft_94a1 {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ============================================
   14. SIDEBAR
   ============================================ */
.accent-under-04cf {
  position: sticky;
  top: 80px;
  align-self: start;
}

.feature-up-0411 {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
}

.feature-up-0411 h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.section_ff0b {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.section_ff0b h4 {
  color: white;
}

.current_35ca {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.outer-b113 {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.outer-b113:last-child {
  border-bottom: none;
}

.outer-b113 dt {
  font-weight: 600;
  color: var(--color-text-light);
}

.outer-b113 dd {
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
}

.notification_f26f {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

.text-purple-11f1 {
  display: inline-flex;
  align-items: center;
  margin-top: var(--space-md);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.text-purple-11f1:hover {
  text-decoration: underline;
}

.red-c67f {
  text-align: center;
  margin-bottom: var(--space-md);
}

.hidden-current-2710 {
  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);
}

.hidden-current-2710 span {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.background-copper-ab75 {
  font-weight: 600;
  color: white;
}

.hover_33f3 {
  list-style: none;
  padding: 0;
}

.hover_33f3 li {
  padding: var(--space-xs) 0;
}

.photo-red-f535 {
  color: #4caf50;
}

.overlay-pro-3d7b {
  color: #ff9800;
}

.label_active_3e54 {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.gas-6432 {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  align-items: center;
  gap: var(--space-sm);
}

.thumbnail-7a89 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.up-c7e9 {
  height: 8px;
  background: var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
}

.slider-fixed-b805 {
  height: 100%;
  background: linear-gradient(90deg, #4caf50 0%, #8bc34a 100%);
  transition: width var(--transition-slow);
}

.icon_48cc {
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
}

/* ============================================
   15. FEATURE GRID
   ============================================ */
.top_c930 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .top_c930 {
    grid-template-columns: 1fr;
  }
}

.footer-top-37c4 {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
}

.footer-top-37c4:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.frame-outer-2eca {
  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;
}

.footer-top-37c4 h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.footer-top-37c4 p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.menu_gold_38a1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.background-copper-ab75 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.background-fd10 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}

.hard-8d57 {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.hard-8d57 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

/* ============================================
   16. COMPARISON & DECISION HELPER
   ============================================ */
.pressed_e37f {
  max-width: 900px;
  margin: 0 auto;
}

.large-da2a {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.feature-ff02 {
  margin: var(--space-xl) 0;
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .feature-ff02 {
    margin-left: calc(-1 * var(--space-sm));
    margin-right: calc(-1 * var(--space-sm));
    width: calc(100% + 2 * var(--space-sm));
  }
}

.fluid-d3e9 {
  margin-top: var(--space-xxl);
}

.fluid-d3e9 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.south-d30f {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .south-d30f {
    grid-template-columns: 1fr;
  }
}

.prev_3a07 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.link-bright-4879 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.east_0050 {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
}

.prev_3a07 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.prev_3a07 ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.prev_3a07 li {
  padding: var(--space-xs) 0;
  color: white;
}

.prev_3a07 .surface-dynamic-6fc1 {
  width: 100%;
  background: white;
}

.link-bright-4879 .surface-dynamic-6fc1 {
  color: #667eea;
}

.east_0050 .surface-dynamic-6fc1 {
  color: #f5576c;
}

/* ============================================
   17. TUTORIAL / STEPS
   ============================================ */
.frame_d926 {
  max-width: 900px;
  margin: 0 auto;
}

.column-602a {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.pagination-solid-4ff2 {
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.image_easy_8e6c {
  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);
}

.pagination-solid-4ff2 h3 {
  margin: 0;
  font-size: 1.5rem;
  color: white;
}

.primary-04a2 {
  padding: var(--space-xl);
}

@media (max-width: 768px) {
  .pagination-solid-4ff2 {
    padding: var(--space-md);
  }
  
  .primary-04a2 {
    padding: var(--space-md);
  }
  
  .progress_silver_ec91 {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
  }
}

.rough-e545 ol,
.rough-e545 ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.rough-e545 li {
  margin-bottom: var(--space-sm);
}

.rough-e545 code {
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
}

.active-3e4e {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #fff3e0;
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
}

.description-16db {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #ffebee;
  border-left: 4px solid var(--color-danger);
  border-radius: var(--radius-md);
}

.progress_silver_ec91 {
  margin-top: var(--space-lg);
  text-align: center;
}

.progress_silver_ec91 img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.panel-6e37,
.soft_05ff,
.slow-ee18,
.smooth-520c {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.new-98ee {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
}

.slider_2749 {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.breadcrumb_smooth_f9c0 {
  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) {
  .breadcrumb_smooth_f9c0 {
    font-size: 0.625rem;
  }
}

.pressed-5d7a {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

.pressed-5d7a:hover {
  background: var(--color-primary-dark);
}

.footer_7bb2 {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  text-align: center;
}

.footer_7bb2 h4 {
  margin-bottom: var(--space-md);
}

.table-brown-8297 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ============================================
   18. SECURITY SECTION
   ============================================ */
.caption-9c63 {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-text-light);
}

.popup_left_82f1 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

@media (max-width: 768px) {
  .popup_left_82f1 {
    grid-template-columns: 1fr;
  }
}

.rough-8776 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.thick_d898 {
  border-color: var(--color-success);
}

.fresh_46d6 {
  border-color: var(--color-warning);
}

.mask-a525 {
  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);
}

.thick_d898 .mask-a525 {
  background: #e8f5e9;
  color: var(--color-success);
}

.fresh_46d6 .mask-a525 {
  background: #fff3e0;
  color: var(--color-warning);
}

.rough-8776 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.rough-8776 p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.table_741b {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.liquid-955a {
  margin: var(--space-xxl) 0;
}

.liquid-955a h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: var(--space-md);
}

.liquid-955a > p {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.tooltip-gas-bc2a {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .tooltip-gas-bc2a {
    grid-template-columns: 1fr;
  }
}

.column_green_f199 {
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.column_green_f199 h4 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.current_0a9e {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.current_0a9e input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 4px;
  cursor: pointer;
}

.hidden_small_c0be {
  margin-top: var(--space-xxl);
}

.east-fe11 {
  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);
}

.slider_db96 {
  text-align: center;
}

.down-b50c {
  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);
}

.main-5662 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: white;
}

.down-b50c .background-copper-ab75 {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

.active-39b2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.accordion_paper_82af p {
  margin-bottom: var(--space-md);
}

.panel-c502 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .east-fe11 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   19. REVIEW SECTION
   ============================================ */
.caption_hot_411a {
  max-width: 600px;
  margin: 0 auto var(--space-xxl);
}

.in-5eda {
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.stale_86ec {
  margin-bottom: var(--space-xl);
}

.container-mini-81af {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.tabs-bcc2 {
  font-size: 2rem;
  color: #ffa000;
  letter-spacing: 4px;
  margin: var(--space-sm) 0;
}

.wrapper_plasma_8f7e {
  color: var(--color-text-light);
}

.menu_0d1b {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.menu_402c {
  display: grid;
  grid-template-columns: 40px 1fr 50px;
  align-items: center;
  gap: var(--space-sm);
}

.list-full-72af {
  font-weight: 600;
  color: var(--color-text);
}

.table-8512 {
  height: 12px;
  background: var(--color-border-light);
  border-radius: 6px;
  overflow: hidden;
}

.shadow-c43f {
  height: 100%;
  background: linear-gradient(90deg, #ffa000 0%, #ff6f00 100%);
  transition: width var(--transition-slow);
}

.focus_fixed_a9ec {
  text-align: right;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.fast-15da {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.pattern_brown_8193 {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xl);
}

.thumbnail-ad03 {
  border: 2px solid #4caf50;
}

.summary-yellow-86ba {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.liquid-1072 {
  display: flex;
  gap: var(--space-md);
  flex: 1;
}

.menu-down-2708 {
  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;
}

.pink-8a02 {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.outline_advanced_7524 {
  display: inline-block;
  padding: 2px 8px;
  background: #4caf50;
  color: white;
  font-size: 0.75rem;
  border-radius: 10px;
  margin-left: 8px;
}

.lite-965b {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.element-2c96 {
  text-align: right;
}

.element-2c96 .notification_b0d3 {
  color: #ffa000;
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.prev_feb9 {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.secondary_under_0929 h4 {
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
  color: var(--color-text);
}

.secondary_under_0929 p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.box-3985 {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.south_7db8 {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 600;
}

.outline-lite-388a {
  background: #e8f5e9;
  color: #2e7d32;
}

.info_00b7 {
  background: #e3f2fd;
  color: #1565c0;
}

.tiny-8b5a {
  background: #fff3e0;
  color: #e65100;
}

.orange_d2ca {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.orange_d2ca span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.caption-1e38 {
  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);
}

.caption-1e38:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-light);
}

.fresh-f92c {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: #f1f8ff;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}

.nav-ab31 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.nav-ab31 strong {
  color: var(--color-primary);
}

.west_a27f {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.progress_bfd0 {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ============================================
   20. FAQ SECTION
   ============================================ */
.detail-d016 {
  max-width: 900px;
  margin: 0 auto;
}

.image_762f {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.shadow-simple-5d12 {
  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);
}

.shadow-simple-5d12:hover {
  background: var(--color-bg-alt);
}

.avatar-f068 {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.shadow-simple-5d12[aria-expanded="true"] .avatar-f068 {
  transform: rotate(180deg);
}

.hidden-dynamic-d823 {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.hidden-dynamic-d823 h5 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--color-text);
}

.hidden-dynamic-d823 ul,
.hidden-dynamic-d823 ol {
  margin: var(--space-sm) 0;
  padding-left: var(--space-lg);
}

.hidden-dynamic-d823 li {
  margin-bottom: var(--space-xs);
}

.link-medium-f321 {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: #1e1e1e;
  color: #d4d4d4;
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.badge_liquid_ee39 {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: #9cdcfe;
}

.link-medium-f321 code {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ============================================
   21. CONCLUSION SECTION
   ============================================ */
.header_rough_6e5e {
  max-width: 800px;
  margin: 0 auto var(--space-xxl);
  text-align: center;
}

.article_3f49 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.upper_841b {
  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);
}

.full-0436 {
  padding: 12px 24px;
  background: #4caf50;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 30px;
  box-shadow: var(--shadow-md);
}

.chip-brown-19a1 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .chip-brown-19a1 {
    grid-template-columns: 1fr;
  }
}

.button_b55b,
.photo_a71e {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.button_b55b {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.photo_a71e {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.button_b55b h4,
.photo_a71e h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.button_b55b ul,
.photo_a71e ul {
  list-style: none;
  padding: 0;
}

.button_b55b li,
.photo_a71e li {
  padding: var(--space-sm) 0;
  line-height: 1.6;
}

.video_south_2f82 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xxl) 0;
}

@media (max-width: 768px) {
  .video_south_2f82 {
    grid-template-columns: 1fr;
  }
}

.outline_79b7 {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hard_aba4 {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 100%);
  color: white;
}

.mask_current_7fc9 {
  background: linear-gradient(135deg, #f44336 0%, #e57373 100%);
  color: white;
}

.outline_79b7 h4 {
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: white;
}

.outline_79b7 ul {
  list-style: none;
  padding: 0;
}

.outline_79b7 li {
  padding: var(--space-xs) 0;
  color: white;
}

.mask-first-12f5 {
  max-width: 800px;
  margin: var(--space-xxl) auto;
}

.mask-first-12f5 h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.mask-first-12f5 p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

.link-smooth-9f78 {
  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);
}

.search_first_4f62 {
  font-style: italic;
}

.slider-orange-f5c9 {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.wrapper-hot-d584 {
  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;
}

.wrapper-hot-d584 h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: white;
}

.wrapper-hot-d584 p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  color: rgba(255,255,255,0.9);
}

.caption_9248 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ============================================
   22. RELATED CONTENT
   ============================================ */
.main-b0bb {
  padding: var(--space-xxl) 0;
  background: var(--color-bg-section);
}

.status-236f {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.light_8754 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .light_8754 {
    grid-template-columns: 1fr;
  }
}

.right-2785 {
  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);
}

.right-2785:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.texture_small_22ba {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.right-2785 h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.right-2785 p {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ============================================
   23. FOOTER
   ============================================ */
.stone_faf3 {
  background: #212121;
  color: #e0e0e0;
  padding: var(--space-xxl) 0 var(--space-lg);
}

.popup-c389 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (max-width: 768px) {
  .popup-c389 {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.static-7549 h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
}

.active-2fa7 p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.popup_9600 {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.popup_9600 .tertiary_0999 {
  color: #4caf50;
  font-size: 0.875rem;
}

.warm_8080 {
  list-style: none;
  padding: 0;
}

.warm_8080 li {
  margin-bottom: var(--space-xs);
}

.warm_8080 a {
  color: #b0b0b0;
  text-decoration: none;
  transition: var(--transition-fast);
}

.warm_8080 a:hover {
  color: white;
}

.hover_huge_8615 {
  list-style: none;
  padding: 0;
}

.hover_huge_8615 li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: #b0b0b0;
}

.hover_huge_8615 a {
  color: #b0b0b0;
  text-decoration: none;
}

.hover_huge_8615 a:hover {
  color: white;
}

.notification_f30e {
  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);
}

.image-blue-8619 p {
  font-size: 0.875rem;
  color: #808080;
  margin-bottom: var(--space-xs);
}

.image-blue-8619 a {
  color: #4caf50;
  text-decoration: none;
}

.motion-b661 {
  font-size: 0.75rem;
  color: #666666;
}

.outline_gas_ad23 {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: #808080;
}

.red-5e6d {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 600;
}

.red-5e6d:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .notification_f30e {
    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;
  }
  
  .notice_2c90 {
    font-size: 2rem;
  }
  
  .nav-advanced-3bb0 {
    font-size: 1.75rem;
  }
  
  /* Ensure all grids are single column */
  .button_4e28,
  .media_ec78 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
    --space-xl: 2rem;
    --space-xxl: 2.5rem;
  }
  
  .top_c930,
  .popup_left_82f1,
  .south-d30f,
  .tooltip-gas-bc2a,
  .chip-brown-19a1,
  .video_south_2f82,
  .light_8754,
  .popup-c389 {
    grid-template-columns: 1fr;
  }
  
  .grid_73ce {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mobile-specific adjustments */
  .short_72f5 {
    padding: var(--space-lg) 0;
  }
  
  .iron_2ce5 li a {
    font-size: 0.875rem;
    padding: var(--space-xs);
  }
  
  .iron_2ce5 li a:before {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
  
  /* Improve mobile readability */
  p, li {
    font-size: 0.9375rem;
  }
  
  /* Better touch targets */
  .surface-dynamic-6fc1 {
    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;
  }
  
  .grid_73ce {
    grid-template-columns: 1fr;
  }
  
  .tertiary-b0b3,
  .caption_9248,
  .table-brown-8297 {
    flex-direction: column;
    width: 100%;
  }
  
  .pagination-stale-af58,
  .outer-55f0,
  .tertiary-b0b3 .surface-dynamic-6fc1,
  .caption_9248 .surface-dynamic-6fc1 {
    width: 100%;
  }
  
  /* Smaller font sizes for very small screens */
  .notice_2c90 {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  .nav-advanced-3bb0 {
    font-size: 1.375rem;
  }
  
  .title_e20c {
    font-size: 2rem;
  }
  
  /* Reduce padding on small screens */
  .pattern_03c8,
  .footer-top-37c4,
  .feature-up-0411,
  .pattern_brown_8193,
  .column-602a {
    padding: var(--space-md);
  }
  
  /* Improve code readability on mobile */
  code,
  .breadcrumb_smooth_f9c0 {
    font-size: 0.625rem;
    word-break: break-all;
  }
  
  /* Better meta display */
  .detail_097c {
    gap: var(--space-xs);
  }
  
  .shadow-4211 {
    font-size: 0.75rem;
  }
  
  /* Optimize score circles */
  .hidden-current-2710 {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }
  
  .down-b50c {
    width: 150px;
    height: 150px;
  }
  
  .main-5662 {
    font-size: 3rem;
  }
}

/* ============================================
   25. PRINT STYLES
   ============================================ */
@media print {
  .tooltip-ad3d,
  .hidden-59f4,
  .tertiary-b0b3,
  .wrapper-hot-d584,
  .main-b0bb,
  .stone_faf3,
  .tooltip_a2cb {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .short_72f5 {
    page-break-inside: avoid;
  }
}

/* css-noise: 28bc */
.shadow-element-v9 {
  padding: 0.5rem;
  font-size: 10px;
  line-height: 1.3;
}
