```css
/* ============================================
   妖精漫画 - 主样式表
   Design: 圆润卡片 · 毛玻璃 · 渐变 · 响应式
   Version: 1.0
   ============================================ */

/* ---------- 设计令牌 ---------- */
:root {
  /* 色彩体系 */
  --bg-light: #fdf8f2;              /* 暖白背景 */
  --bg-card: #ffffff;
  --bg-soft: #fff3e6;               /* 浅橙底 */
  --bg-glass: rgba(255, 255, 255, 0.72);
  --text-primary: #2d1b00;           /* 深棕 */
  --text-secondary: #5c4033;
  --text-muted: #7a5c4a;
  --text-invert: #fffaf2;
  --border-color: #e8d5c0;
  --accent: #ff7e5f;                 /* 珊瑚橘 */
  --accent-dark: #e56548;
  --accent-glow: rgba(255, 126, 95, 0.3);
  --gradient-main: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fdfcfb 100%);
  --gradient-banner: linear-gradient(145deg, #ffecd2 0%, #fcb69f 100%);
  --nav-bg: rgba(255, 255, 255, 0.8);
  --footer-bg: #2d1b00;
  --footer-text: #f5e6d3;
  --footer-link: #e8d5c0;
  --shadow-sm: 0 2px 12px rgba(45, 27, 0, 0.06);
  --shadow-md: 0 8px 30px rgba(45, 27, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(45, 27, 0, 0.12);
  --shadow-glow: 0 0 0 4px var(--accent-glow);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-full: 999px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* 深色模式 - 暖暗色 */
[data-theme="dark"] {
  --bg-light: #1e120a;
  --bg-card: #2b1c10;
  --bg-soft: #332318;
  --bg-glass: rgba(43, 28, 16, 0.75);
  --text-primary: #fdf0e0;
  --text-secondary: #e0cbb5;
  --text-muted: #b8a08a;
  --text-invert: #1e120a;
  --border-color: #4a3423;
  --accent: #ff9e7a;
  --accent-dark: #ffb39a;
  --accent-glow: rgba(255, 158, 122, 0.25);
  --gradient-main: linear-gradient(135deg, #2b1c10 0%, #3d2a1a 100%);
  --gradient-banner: linear-gradient(145deg, #3a2515 0%, #4e321d 100%);
  --nav-bg: rgba(30, 18, 10, 0.85);
  --footer-bg: #0f0905;
  --footer-text: #d4bfaa;
  --footer-link: #c0a68c;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 0 4px rgba(255, 158, 122, 0.15);
}

/* ---------- 基础重置 & 全局 ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-light);
  background-image: radial-gradient(circle at 15% 20%, var(--accent-glow), transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(255, 200, 150, 0.08), transparent 50%);
  color: var(--text-primary);
  line-height: 1.8;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  min-height: 100vh;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-soft);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-soft);
}

::selection {
  background: var(--accent);
  color: var(--text-invert);
}

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

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

h1, h2, h3, h4, h5 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-family: var(--font-display);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.65rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

p {
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
  line-height: 1.8;
}

/* 通用容器 */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.2rem;
  }
}

/* ---------- 毛玻璃效果 ---------- */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
}

/* ---------- Header & 导航 ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

header.scrolled {
  box-shadow: var(--shadow-lg);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
  gap: 1.5rem;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  white-space: nowrap;
  letter-spacing: -0.02em;
}

.logo .emoji {
  font-size: 2rem;
  filter: drop-shadow(0 2px 8px var(--accent-glow));
  animation: float 3s ease-in-out infinite;
}

.logo span {
  background: var(--gradient-main);
  color: var(--text-invert);
  padding: 0.15rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-links a:hover::after {
  width: 100%;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.3rem 0.25rem 1.2rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.search-box input {
  background: transparent;
  border: none;
  padding: 0.5rem 0.6rem;
  color: var(--text-primary);
  outline: none;
  width: 130px;
  font-size: 0.95rem;
  transition: width var(--transition-base);
}

.search-box input:focus {
  width: 180px;
}

.search-box input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.search-box .search-icon {
  background: var(--accent);
  color: var(--text-invert);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.search-box .search-icon:hover {
  transform: scale(1.08);
  background: var(--accent-dark);
}

.theme-toggle,
.menu-toggle {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-primary);
  margin-left: 0.5rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover,
.menu-toggle:hover {
  background: var(--bg-soft);
  transform: rotate(15deg);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 1.5rem;
  gap: 0.3rem;
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.mobile-menu a {
  color: var(--text-primary);
  padding: 0.8rem 0.5rem;
  border-bottom: 1px dashed var(--border-color);
  font-weight: 500;
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-menu a:hover {
  background: var(--bg-soft);
  padding-left: 1.2rem;
  color: var(--accent);
  text-decoration: none;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu.show {
  display: flex;
  animation: slideDown 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--accent);
  font-weight: 500;
}

.breadcrumb .separator {
  color: var(--text-muted);
}

.breadcrumb .current {
  color: var(--text-muted);
  font-weight: 400;
}

/* ---------- Banner 轮播区域 ---------- */
.banner {
  background: var(--gradient-banner);
  border-radius: var(--radius-lg);
  padding: 3.5rem 4rem;
  margin: 2.5rem 0;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  animation: pulse 4s ease-in-out infinite;
}

.banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

.banner-content {
  position: relative;
  z-index: 1;
}

.banner h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.8rem;
  border: none;
  padding: 0;
  background: linear-gradient(135deg, var(--accent), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.banner p {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--text-invert);
  padding: 0.85rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px var(--accent-glow);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px var(--accent-glow);
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: var(--text-invert);
}

.btn:hover::after {
  opacity: 1;
}

.btn:active {
  transform: translateY(-1px) scale(0.98);
}

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

.btn-outline::after {
  display: none;
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--text-invert);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline:active {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--text-invert);
}

/* ---------- 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;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card p {
  color: var(--text-secondary);
  margin-bottom: 0.8rem;
}

.card .meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: block;
  margin-top: 0.5rem;
  font-weight: 400;
}

.card .icon-emoji {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
  filter: drop-shadow(0 4px 12px var(--accent-glow));
  transition: transform var(--transition-bounce);
}

.card:hover .icon-emoji {
  transform: scale(1.2) rotate(-10deg);
}

/* 分类卡片特殊样式 */
.category-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: linear-gradient(145deg, var(--bg-card), var(--bg-soft));
}

.category-card .badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

/* ---------- 徽章 ---------- */
.badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--text-invert);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  box-shadow: 0 2px 10px var(--accent-glow);
}

/* ---------- Section 标题 ---------- */
section {
  margin: 4rem 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.section-title::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 60%;
  background: var(--accent);
  border-radius: var(--radius-full);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
}

/* ---------- 文章列表 ---------- */
.article-list {
  list-style: none;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.article-list li {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px dashed var(--border-color);
  transition: background var(--transition-fast), padding-left var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-list li:last-child {
  border-bottom: none;
}

.article-list li:hover {
  background: var(--bg-soft);
  padding-left: 2rem;
}

.article-list a {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.05rem;
  transition: color var(--transition-fast);
}

.article-list a:hover {
  color: var(--accent);
  text-decoration: none;
}

.article-list .meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* ---------- 品牌/EEAT 区域 ---------- */
.brand-section {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.brand-section::after {
  content: '妖精漫画';
  position: absolute;
  bottom: -20px;
  right: -20px;
  font-size: 8rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 2px var(--border-color);
  opacity: 0.08;
  pointer-events: none;
  white-space: nowrap;
}

/* ---------- FAQ ---------- */
.faq-container {
  display: grid;
  gap: 1rem;
}

details {
  background: var(--bg-card);
  padding: 1.2rem 1.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}

details:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

details[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  background: linear-gradient(145deg, var(--bg-card), var(--bg-soft));
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  position: relative;
  padding-right: 2rem;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: '❓';
  font-size: 1.2rem;
  filter: drop-shadow(0 2px 4px var(--accent-glow));
}

summary::after {
  content: '＋';
  position: absolute;
  right: 0;
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform var(--transition-base);
  font-weight: 400;
}

details[open] summary::after {
  transform: rotate(45deg);
}

details p {
  margin-top: 1rem;
  color: var(--text-secondary);
  padding-left: 2rem;
  animation: fadeInUp 0.4s ease;
  border-left: 3px solid var(--accent);
  padding-left: 1.2rem;
}

/* ---------- HowTo ---------- */
.howto-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.howto-steps {
  display: grid;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.howto-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.2rem;
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.howto-step:hover {
  transform: translateX(8px);
}

.step-number {
  background: var(--gradient-main);
  color: var(--text-invert);
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: var(--shadow-sm);
}

.step-content h4 {
  margin-bottom: 0.3rem;
}

.step-content p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---------- 联系人/企业信息 ---------- */
.contact-section {
  background: var(--gradient-banner);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.contact-item {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform var(--transition-base);
}

.contact-item:hover {
  transform: translateY(-5px);
}

.contact-item .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item .value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-word;
}

/* ---------- Footer ---------- */
footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
  position: relative;
  overflow: hidden;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: #ffffff;
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-full);
}

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

.footer-col a {
  color: var(--footer-link);
  display: inline-block;
  margin-bottom: 0.6rem;
  transition: all var(--transition-fast);
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: var(--accent);
  transform: translateX(4px);
  text-decoration: none;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  color: var(--footer-text);
  font-size: 0.9rem;
  opacity: 0.8;
}

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--text-invert);
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: 0 8px 30px var(--accent-glow);
  transition: all var(--transition-base);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  z-index: 90;
}

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

.back-to-top:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 12px 40px var(--accent-glow);
}

/* ---------- 表格 ---------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

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

th {
  background: var(--bg-soft);
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
}

td {
  color: var(--text-secondary);
}

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

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

/* ---------- 通用工具类 ---------- */
.text-muted-strong {
  color: var(--text-muted);
  font-weight: 500;
}

.text-center {
  text-align: center;
}

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

.section-margin {
  margin: 4rem 0;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- 动画 ---------- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 滚动进入动画 */
.scroll-animation {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animation.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 延迟辅助 */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ---------- 响应式设计 ---------- */
@media (max-width: 1024px) {
  .nav-links {
    gap: 1.5rem;
  }
  
  .search-box input {
    width: 100px;
  }
  
  .search-box input:focus {
    width: 140px;
  }
  
  .banner {
    padding: 2.5rem 2rem;
  }
  
  .contact-section {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  header .nav-wrap {
    height: 64px;
  }
  
  .logo {
    font-size: 1.4rem;
  }
  
  .logo .emoji {
    font-size: 1.6rem;
  }
  
  .logo span {
    font-size: 0.7rem;
    padding: 0.1rem 0.6rem;
  }
  
  .nav-links,
  .search-box {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .banner {
    padding: 2rem 1.5rem;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  
  .article-list li {
    padding: 1rem 1.2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }
  
  .brand-section {
    padding: 1.5rem;
  }
  
  details {
    padding: 1rem 1.2rem;
  }
  
  .howto-card {
    padding: 1.5rem;
  }
  
  .contact-section {
    padding: 1.5rem;
  }
  
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
  
  .back-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.7rem 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  
  .logo {
    font-size: 1.2rem;
  }
  
  .logo .emoji {
    font-size: 1.4rem;
  }
  
  .theme-toggle {
    margin-left: 0.2rem;
  }
  
  .banner h2 {
    font-size: 1.6rem;
  }
  
  .banner p {
    font-size: 1rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

/* ---------- 无障碍 & 可访问性 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 打印样式 ---------- */
@media print {
  header,
  footer,
  .back-to-top,
  .btn-group,
  .search-box {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .card,
  .banner,
  .contact-section {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* ---------- 美化 Scrollbar ---------- */
@media (pointer: fine) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  
  ::-webkit-scrollbar-track {
    background: var(--bg-soft);
    border-radius: var(--radius-full);
  }
  
  ::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-soft);
  }
  
  ::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
  }
}

/* ---------- 表情符号风格化 ---------- */
.emoji-icon {
  display: inline-block;
  font-size: inherit;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* ---------- 卡片hover增强 ---------- */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* ---------- 渐变边框卡片 ---------- */
.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: none;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark), var(--accent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
  transition: opacity var(--transition-base);
}

.gradient-border:hover::before {
  opacity: 1;
}

/* ---------- 高亮和推荐 ---------- */
.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: linear-gradient(135deg, var(--accent-glow), transparent);
  color: var(--accent);
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

/* ---------- 分隔线 ---------- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  border: none;
  margin: 2.5rem 0;
}

/* ---------- 列表样式 ---------- */
.styled-list {
  list-style: none;
  padding: 0;
}

.styled-list li {
  padding: 0.6rem 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--text-secondary);
}

.styled-list li::before {
  content: '✦';
  color: var(--accent);
  font-size: 0.9rem;
}

/* ---------- 响应式字体 ---------- */
@media (min-width: 1600px) {
  html {
    font-size: 18px;
  }
}

/* ---------- 最终优化：确保所有文本可读 ---------- */
p, li, span, a, td, th, summary, input, button {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
```