```css
/* ===== 91漫画 - 完整样式表 ===== */
/* 全局变量与主题系统 */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f7f9;
  --bg-card: #ffffff;
  --bg-footer: #1a1e2b;
  --bg-nav: rgba(255, 255, 255, 0.9);
  --heading-color: #1e293b;
  --text-primary: #243447;
  --text-secondary: #3e4c5e;
  --text-tertiary: #55657a;
  --link-color: #1e4a6b;
  --accent: #f97316;
  --accent-dark: #b45309;
  --accent-light: #ffedd5;
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --btn-bg: #1e293b;
  --btn-text: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

[data-theme="dark"] {
  --bg-primary: #12161f;
  --bg-secondary: #1a1e2b;
  --bg-card: #1c2333;
  --bg-footer: #0b0e14;
  --bg-nav: rgba(18, 22, 31, 0.85);
  --heading-color: #f1f5f9;
  --text-primary: #e2e8f0;
  --text-secondary: #b3c2d1;
  --text-tertiary: #94a3b8;
  --link-color: #7cb8e8;
  --accent: #f97316;
  --accent-dark: #fb923c;
  --accent-light: rgba(249, 115, 22, 0.15);
  --border-light: #2d3748;
  --border-medium: #4a5568;
  --btn-bg: #f97316;
  --btn-text: #0b0e14;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
}

/* ===== 基础重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== 排版 ===== */
h1, h2, h3, h4, h5 {
  color: var(--heading-color);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  border-left: 6px solid var(--accent);
  padding-left: 1.2rem;
  margin-top: 2.5rem;
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.5rem;
  margin-top: 2rem;
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

a {
  color: var(--link-color);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  border-bottom: 1px solid var(--link-color);
  color: var(--accent);
}

strong {
  font-weight: 600;
  color: var(--heading-color);
}

/* ===== 容器与布局 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

section {
  padding: 2rem 0;
}

/* ===== 导航栏 ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
  padding: 0 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--heading-color);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 2px;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-weight: 500;
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  font-size: 0.95rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-links a:hover {
  border-bottom-color: var(--accent);
  color: var(--accent);
  border-bottom-width: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-radius: 40px;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border-light);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.search-box input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  outline: none;
  width: 130px;
  font-size: 0.9rem;
  padding: 4px 0;
}

.search-box input::placeholder {
  color: var(--text-tertiary);
}

.search-box button {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.search-box button:hover {
  transform: scale(1.1);
  color: var(--accent);
}

.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 30px;
  width: 38px;
  height: 38px;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--heading-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  transform: rotate(15deg);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--heading-color);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

/* 移动菜单 */
#mobileMenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  padding: 1rem 20px;
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

#mobileMenu a {
  display: block;
  padding: 0.7rem 0;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  font-weight: 500;
}

#mobileMenu a:last-child {
  border-bottom: none;
}

#mobileMenu a:hover {
  color: var(--accent);
  padding-left: 8px;
}

/* ===== Hero Banner ===== */
.hero {
  background: linear-gradient(145deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: 4rem 0 5rem;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 4rem;
  position: relative;
  z-index: 1;
}

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-text h1 em {
  font-style: normal;
  color: var(--accent);
  position: relative;
}

.hero-text h1 em::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.3;
}

.hero-text p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 0.8rem 2.2rem;
  border-radius: 40px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  font-size: 1rem;
  display: inline-block;
  transition: all 0.2s ease;
  text-decoration: none;
  border-bottom: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--btn-text);
  border-bottom: none;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent-dark);
  box-shadow: none;
}

.btn-outline:hover {
  background: var(--accent-light);
  color: var(--accent);
  transform: translateY(-2px);
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-md);
}

.hero-visual {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.hero-visual svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
}

.hero-visual:hover svg {
  transform: scale(1.02) rotate(1deg);
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), transparent);
  z-index: -1;
}

/* ===== 卡片系统 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2.5rem 0;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-medium);
}

.card h3 {
  margin-top: 0;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.card h4 {
  margin-top: 0;
  color: var(--accent-dark);
  font-size: 1.1rem;
  font-weight: 600;
}

.card p {
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.card a {
  display: inline-block;
  margin-top: 0.5rem;
  font-weight: 500;
  color: var(--accent);
}

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

/* 卡片装饰 */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card:hover::before {
  opacity: 1;
}

/* ===== 表格 ===== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

th, td {
  padding: 1rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 0.95rem;
}

th {
  background: var(--bg-secondary);
  color: var(--heading-color);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--bg-secondary);
}

/* ===== FAQ ===== */
.faq-list {
  margin: 2.5rem 0;
}

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-item.open {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: 1.2rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  background: var(--bg-card);
  color: var(--heading-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question span {
  font-size: 1.3rem;
  color: var(--text-tertiary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-question span {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  padding: 0 1.5rem;
  color: var(--text-primary);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  border-top: 1px solid var(--border-light);
}

.faq-item.open .faq-answer {
  padding: 1.2rem 1.5rem;
  max-height: 500px;
  border-top: 1px solid var(--border-light);
}

/* ===== Footer ===== */
footer {
  background: var(--bg-footer);
  color: #cbd5e1;
  padding: 3rem 0 1rem;
  margin-top: 4rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #f59e0b, var(--accent));
  opacity: 0.6;
}

footer .container {
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

footer h4 {
  color: #ffffff;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-left: none;
  padding-left: 0;
  margin-top: 0;
}

footer a {
  color: #b3c2d1;
  border-bottom: none;
  transition: color 0.2s ease;
}

footer a:hover {
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

footer p {
  color: #b3c2d1;
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid #2d3748;
  padding-top: 1.5rem;
  text-align: center;
  color: #94a3b8;
  font-size: 0.85rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: #94a3b8;
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--accent);
  color: #1a1e2b;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.4);
  background: var(--accent-dark);
  color: #ffffff;
}

/* ===== 滚动动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 延迟类 */
.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

/* ===== 文章卡片特殊样式 ===== */
#articles .card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
}

#articles .card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

#articles .card h4 {
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
  line-height: 1.4;
}

#articles .card a {
  margin-top: auto;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}

#articles .card a:hover {
  color: var(--accent-dark);
  border-bottom: 1px solid var(--accent);
}

/* ===== 品牌区域特色 ===== */
#brand .card {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
}

#brand .card:nth-child(1) {
  border-left: 4px solid var(--accent);
}

/* ===== 联系区域 ===== */
#contact .card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
}

#contact .card p {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ===== 教程区域 ===== */
#howto .card {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-secondary));
  border-left: 4px solid var(--accent);
}

#howto .card h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

#howto .card h3:first-child {
  margin-top: 0;
}

/* ===== 分隔线 ===== */
.divider {
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin: 2rem 0;
}

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-dark);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ===== 焦点样式 ===== */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .hero-content {
    gap: 2rem;
  }
  
  .hero-text h1 {
    font-size: 2.8rem;
  }
  
  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 800px) {
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-visual {
    max-width: 100%;
    margin-top: 2rem;
  }
  
  .nav-actions .search-box {
    display: none;
  }
  
  .nav-inner {
    min-height: 60px;
    padding: 0 16px;
  }
  
  .logo {
    font-size: 1.5rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.6rem;
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 42px;
    height: 42px;
  }
  
  section {
    padding: 1.5rem 0;
  }
  
  .hero {
    padding: 2.5rem 0 3rem;
  }
  
  .table-wrap {
    margin: 1.5rem -20px;
    padding: 0 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }
  
  footer p {
    text-align: center;
  }
  
  .faq-question {
    font-size: 1rem;
    padding: 1rem 1.2rem;
  }
  
  .faq-answer {
    padding: 0 1.2rem;
  }
  
  .faq-item.open .faq-answer {
    padding: 1rem 1.2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-text h1 {
    font-size: 2.2rem;
  }
  
  .hero-text p {
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
  }
  
  h2 {
    font-size: 1.4rem;
    padding-left: 0.8rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .nav-actions {
    gap: 0.8rem;
  }
  
  .theme-toggle {
    width: 34px;
    height: 34px;
  }
  
  .footer-bottom {
    font-size: 0.75rem;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .navbar, .back-to-top, .hero-cta, .search-box, .theme-toggle, .mobile-menu-btn {
    display: none !important;
  }
  
  body {
    background: white;
  }
  
  .card, .faq-item {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
  
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ===== 暗色模式额外优化 ===== */
[data-theme="dark"] .card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .search-box input {
  color-scheme: dark;
}

[data-theme="dark"] .hero {
  background: linear-gradient(145deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

[data-theme="dark"] footer {
  background: linear-gradient(180deg, var(--bg-footer), #0d1117);
}

[data-theme="dark"] .btn {
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
}

[data-theme="dark"] .btn-outline:hover {
  background: rgba(249, 115, 22, 0.15);
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ===== 工具类 ===== */
.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-3 { margin-bottom: 3rem; }

.flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
```