/* ===========================================
   🎨 全局变量与重置
   =========================================== */

/* 导入 BlueCDN 反代字体 */
@import url('https://fonts.bluecdn.com/css2?family=Open+Sans:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.bluecdn.com/css2?family=Google+Sans:wght@400;500;700&display=swap');
@import url('https://fonts.bluecdn.com/css2?family=Google+Sans+Code:wght@400..700&display=swap');
@import url('https://fonts.bluecdn.com/css2?family=Ubuntu:wght@400;700&display=swap');
@import url('https://fonts.bluecdn.com/css2?family=Roboto+Mono:wght@400;500;700&display=swap');

@font-face {
  font-family: "Sora";
  src: url("../fonts/Sora-VariableFont_wght.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

   :root {
    /* 颜色系统 */
    --color-blue: #0052D9;
    --color-blue-light: #3385FF;
    --color-purple: #8e44ad;
    --color-green: #007A33;
    --color-green-dark: #007A33;
    --color-red: #e74c3c;
    --color-orange: #f39c12;
    --color-cyan: #00bcd4;
    --color-white: #ffffff;
    --color-yellow: #f7e018;
  
    /* 浅色主题默认值 */
    --color-bg: #F8F9FA;
    --color-bg-light: #FFFFFF;
    --color-text: #2D3748;
    --color-text-dim: rgba(45, 55, 72, 0.7);
    --color-border: #E2E8F0;
    --shadow-color: rgba(0, 0, 0, 0.1);
  
    /* 字体系统 */
    --font-title: "Microsoft Jhenghei", "PingFang SC", "SF Pro SC", system-ui, -apple-system, sans-serif;
    --font-cn: "Microsoft Jhenghei", "PingFang SC", "SF Pro SC", "SF Pro Text", system-ui, -apple-system, sans-serif;
    --font-en: "Open Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-code: "Google Sans Code", "Papermono", "Roboto Mono", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    
    /* 兼容性别名 */
    --font-main: var(--font-cn);
    --font-mono: var(--font-code);
  
    /* 过渡效果 */
    --transition-base: all 0.3s ease;
  
    /* 基础重置 */
    box-sizing: border-box;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  /* 深色主题 */
  [data-theme="dark"] {
    --color-bg: #121212;
    --color-bg-light: #1E1E1E;
    --color-text: #FFFFFF;
    --color-text-dim: rgba(255, 255, 255, 0.7);
    --color-border: #333333;
    --shadow-color: rgba(0, 0, 0, 0.3);
  }
  
  /* ===========================================
   📐 布局系统样式 (layout.css)
   =========================================== */

  /* 0. 背景：仅保留 SVG 背景图（不使用 canvas 动画） */

/* 1. 主容器 */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  box-sizing: border-box;
  position: relative;
  z-index: 1;
}

/* 首页不需要容器左右内边距 */
.page-home .container {
  padding: 0;
}

/* 2. 网格系统 */
.grid {
  display: grid;
  gap: 1.5rem;
}

.theme-switcher {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  height: 40px;
  border: 1px solid #1a1a1a;
  background: #0d0d0d;
  border-radius: 8px;
  color: #aaaaaa;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
  background: #1a1a1a;
  border-color: var(--color-blue);
  transform: translateY(-1px);
}

.theme-toggle-btn svg {
  width: 22px;
  height: 22px;
}

.theme-toggle-text {
  font-size: 0.95rem;
  color: var(--color-text-dim);
}

.theme-dropdown {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.5rem);
  background: #0d0d0d;
  border: 1px solid #1a1a1a;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
  padding: 0.5rem;
  width: 190px;
  opacity: 0;
  transform: translateY(6px);
  visibility: hidden;
  transition: all 0.2s ease;
  z-index: 100;
}

.theme-dropdown.show {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  color: #aaaaaa;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-option:hover {
  background: #1a1a1a;
  color: #ffffff;
}

.theme-option.active {
  background: rgba(0, 102, 252, 0.15);
  color: var(--color-blue);
}

.theme-option svg {
  width: 18px;
  height: 18px;
  color: #888888;
}

.theme-option:hover svg {
  color: #ffffff;
}

.theme-option.active svg {
  color: var(--color-blue);
}

.theme-option-check {
  margin-left: auto;
  opacity: 0;
  color: var(--color-blue);
}

.theme-option.active .theme-option-check {
  opacity: 1;
}

[data-theme='dark'] .theme-dropdown {
  background: var(--color-bg-light);
}

[data-theme='dark'] .theme-option:hover {
  background: var(--color-bg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 3. Flex布局工具 */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-1 {
  gap: 0.25rem;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

/* 4. 间距工具 */
.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-4 { margin: 1rem; }
.m-6 { margin: 1.5rem; }
.m-8 { margin: 2rem; }

.mx-auto { 
  margin-left: auto;
  margin-right: auto;
}

.my-4 {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.my-8 {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

/* 5. 定位工具 */
.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
  top: 0;
}

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

/* 6. 显示与可见性 */
.hidden {
  display: none;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.visible {
  visibility: visible;
}

.invisible {
  visibility: hidden;
}

/* 7. 宽度和高度工具 */
.w-full {
  width: 100%;
}

.w-auto {
  width: auto;
}

.h-full {
  height: 100%;
}

.h-screen {
  height: 100vh;
}

.min-h-screen {
  min-height: 100vh;
}

/* 8. 溢出控制 */
.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.overflow-x-auto {
  overflow-x: auto;
}

.overflow-y-auto {
  overflow-y: auto;
}

/* 9. 响应式布局 */
@media (max-width: 1320px) {
  .container {
    margin-left: 1.5rem;
    margin-right: 1.5rem;
  }

  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    margin-left: 1rem;
    margin-right: 1rem;
    padding: 0 1rem;
  }

  .grid {
    gap: 1rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* 移动端Flex调整 */
  .sm-flex-col {
    flex-direction: column;
  }

  .sm-items-stretch {
    align-items: stretch;
  }
}

/* 10. 布局辅助类 */
.clearfix::after {
  content: '';
  display: table;
  clear: both;
}

.wrapper {
  position: relative;
  width: 100%;
}

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

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

  /* ===========================================
   📝 基础样式
   =========================================== */

/* 重置 */
*,
*::before,
*::after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}

/* 字体应用 */
body {
  font-family: var(--font-cn);
  background-color: var(--color-bg);
  position: relative;
  color: var(--color-text);
  min-height: 100vh;
  transition: var(--transition-base);
  overflow-x: hidden;
}

/* 背景：固定在底层，确保始终可见且不影响布局 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--color-bg);
  background-image: url('/static/images/background.svg');
  background-repeat: no-repeat;
  background-position: top center;
  /* 以视口宽度铺满，确保左右图标可见；中间内容由页面本身覆盖 */
  background-size: 100% auto;
  opacity: 0.5;
  filter: saturate(0.95) brightness(1.08) contrast(0.92);
  transition: opacity 0.25s ease, filter 0.25s ease;
}

/* 深色模式：稍微加深、降低对比，避免在暗底上太亮 */
[data-theme="dark"] body::before {
  opacity: 0.45;
  filter: saturate(0.9) brightness(0.82) contrast(0.9);
}

/* 内容层始终在背景之上 */
.container {
  position: relative;
  z-index: 1;
}

/* 使用代码字体的元素 */
code,
pre,
.monospace,
.lib-url,
.code-box,
.lib-url-container .lib-url {
  font-family: var(--font-code);
  font-feature-settings: "liga" 1, "calt" 1;
}

/* 标题/副标题字体（Microsoft Jhenghei 优先） */
h1, h2, h3, h4,
.section-title,
.section-lead {
  font-family: var(--font-title);
}

/* 使用苹方的元素 */
p,
.lib-description,
.advantage-list li,
.search-input::placeholder,
.footer,
.faq-answer {
  font-family: var(--font-cn);
}

/* ===========================================
   🚀 服务优势模块 (advantages.css)
   =========================================== */

/* 1. 版块标题样式 */
.section-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1.5rem;
  white-space: nowrap;
  line-height: 1.2;
}

h2.section-title {
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
  flex-wrap: nowrap !important;
  flex-direction: row !important;
  margin: 0 !important;
}

.section-title i {
  color: var(--color-blue);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  min-height: 1.25rem;
}

.fixed-section .section-title,
.advantage-section .section-title {
  margin: 3rem auto 2rem;
  max-width: 1230px;
  font-size: 1.5rem;
}

/* 2. 主体容器样式 */
.advantage-section {
  max-width: 1230px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--color-bg-light);
  border-radius: 12px;
  box-sizing: border-box;
}

/* 3. 网格列表样式 */
.advantage-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 4. 卡片项样式 */
.advantage-item {
  background: var(--color-bg);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  border: 1px solid var(--color-border);
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px var(--shadow-color);
  border-color: var(--color-blue);
}

/* 5. 图标样式 */
.advantage-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 12px;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
  border: 1px solid var(--color-border);
}

.advantage-icon i {
  font-size: 1.5rem;
  color: var(--color-blue);
  transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon {
  background: var(--color-blue);
  border-color: var(--color-blue);
}

.advantage-item:hover .advantage-icon i {
  color: var(--color-white);
  transform: scale(1.1);
}

/* 6. 文本内容样式 */
.advantage-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.advantage-desc {
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: 0.95rem;
  margin: 0;
}

.advantage-desc code {
  background: var(--color-bg-light);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--color-blue);
}

.advantage-desc strong {
  color: var(--color-blue);
  font-weight: 600;
}

/* 7. 响应式布局 */
@media (max-width: 1320px) {
  .fixed-section .section-title,
  .advantage-section .section-title {
    margin-left: 1.5rem;
    margin-right: 1.5rem;
  }
}

@media (max-width: 1200px) {
  .advantage-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .fixed-section .section-title,
  .advantage-section .section-title {
    margin: 2rem 1rem 1.5rem;
    font-size: 1.25rem;
  }

  .advantage-section {
    margin: 1.5rem 1rem;
    padding: 1.5rem;
  }

  .advantage-list {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .advantage-item {
    padding: 1.5rem;
  }

  .advantage-icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
  }

  .advantage-icon i {
    font-size: 1.25rem;
  }

  .advantage-title {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
  }

  .advantage-desc {
    font-size: 0.9rem;
  }
}

/* ===========================================
   🎯 头部导航样式 (header.css)
   =========================================== */

/* 1. 头部容器 */
.header {
  max-width: none;
  width: 100%;
  margin: 0 0 2rem 0;
  padding: 1.5rem max(2rem, calc((100vw - 1280px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-bg);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}

/* 让头部铺满视口宽度（容器内溢出） */
.container > .header {
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  width: 100vw;
  max-width: 100vw;
  padding-left: calc((100vw - 1280px) / 2);
  padding-right: calc((100vw - 1280px) / 2);
}

@media (max-width: 1320px) {
  .container > .header {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* 统一头部三按钮尺寸（CDN切换 / 状态 / 主题） */
.header-actions .cdn-toggle {
  height: 46px;
  min-width: 140px;
  box-sizing: border-box;
}

.header-actions .service-status {
  height: 52px;
  min-width: auto;
  box-sizing: border-box;
}

.header-actions .theme-toggle {
  height: 52px;
  width: 52px;
  box-sizing: border-box;
}

/* 2. Logo样式 */
.header-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
  transition: opacity 0.3s ease;
}

.logo-link:hover {
  opacity: 0.8;
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.logo-mark {
  width: 3.8rem;
  height: 3.8rem;
  display: block;
  flex: 0 0 auto;
  filter: drop-shadow(0 5px 12px rgba(0, 82, 217, 0.16));
}

.logo-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  line-height: 1;
}

.logo-title {
  display: block;
  font-family: "Sora", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 2.65rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 0.95;
  white-space: nowrap;
}

.logo-title-blue {
  color: #0052D9;
}

.logo-title-deep {
  color: #0B3AAE;
}

.logo-subtitle {
  display: block;
  margin-top: 0.42rem;
  color: #4B5563;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.15;
  white-space: nowrap;
}

.logo-svg {
  height: 3.8rem;
  width: auto;
  display: block;
  transition: opacity 0.3s ease;
}

/* 3. 服务状态 */

.service-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  height: 40px;
  border-radius: 8px;
  border: 1px solid #1a1a1a;
  background: #0d0d0d;
  color: #aaaaaa;
  font-size: 0.9rem;
  text-decoration: none; /* 移除链接下划线 */
  transition: all 0.3s ease; /* 添加过渡效果 */
}

.service-status:hover {
  border-color: var(--color-blue);
  background: #1a1a1a;
  transform: translateY(-1px);
}

.service-status:active {
  transform: translateY(0);
}

.status-dot {
  color: #10B981; /* 绿色 */
  font-size: 0.75rem;
  animation: pulse 2s infinite;
}

.status-pulse {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin: 0 0.25rem;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid rgba(16, 185, 129, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  flex-shrink: 0;
}

.status-pulse:hover {
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.2);
}

.status-pulse .pulse-dot {
  width: 8px;
  height: 8px;
  background: #10B981;
  border-radius: 50%;
  position: relative;
  z-index: 2;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.status-pulse .pulse-ring {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  animation: pulse-ring 1.5s ease-out infinite;
  z-index: 1;
}

.status-pulse.is-degraded {
  border-color: rgba(245, 158, 11, 0.25);
}

.status-pulse.is-degraded .pulse-dot,
.status-pulse.is-degraded .pulse-ring {
  background: #F59E0B;
}

.status-pulse.is-offline {
  border-color: rgba(239, 68, 68, 0.25);
}

.status-pulse.is-offline .pulse-dot,
.status-pulse.is-offline .pulse-ring {
  background: #EF4444;
}

.service-status.is-online .status-dot {
  color: #10B981;
}

.service-status.is-degraded .status-dot {
  color: #F59E0B;
}

.service-status.is-offline .status-dot {
  color: #EF4444;
}

/* 状态点脉冲动画 */
@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(0.85);
    opacity: 0.6;
  }
}

/* 状态环扩散动画 */
@keyframes pulse-ring {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  50% {
    transform: scale(2.8);
    opacity: 0.2;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* 回到顶部按钮 */
.scroll-top-btn {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease;
  z-index: 30;
}

.scroll-top-btn.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background: var(--color-bg-light);
}

/* 4. 主标题样式 */
/* 英雄区域已移除 */

/* 功能指标网格 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.metric-card-compact {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  border-radius: 12px;
  background: rgba(0, 47, 167, 0.03);
  border: 1px solid rgba(0, 47, 167, 0.08);
  transition: all 0.3s ease;
}

.metric-card-compact:hover {
  background: rgba(0, 47, 167, 0.06);
  border-color: rgba(0, 47, 167, 0.15);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 47, 167, 0.1);
}

.metric-icon {
  font-size: 2rem;
  color: var(--color-blue);
  margin-bottom: 0.75rem;
}

.metric-card-compact .metric-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.metric-card-compact .metric-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-blue);
  margin-bottom: 0.3rem;
}

.metric-card-compact .metric-desc {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.4;
  margin: 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(0, 47, 167, 0.06);
  color: var(--color-text);
  font-size: 0.875rem;
  border: 1px solid rgba(0, 47, 167, 0.12);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.pill:hover {
  background: rgba(0, 47, 167, 0.1);
  border-color: rgba(0, 47, 167, 0.2);
  transform: translateY(-1px);
}

.pill i {
  color: var(--color-blue);
  font-size: 0.9rem;
}

.pill-primary {
  background: linear-gradient(135deg, rgba(0, 47, 167, 0.1), rgba(26, 74, 207, 0.08));
  border-color: rgba(0, 47, 167, 0.2);
  font-weight: 600;
  color: var(--color-blue);
}

.pill-ghost {
  background: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #002FA7, #1A4ACF);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 10px 30px rgba(0, 47, 167, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(0, 47, 167, 0.3);
}

.btn-ghost:hover {
  border-color: var(--color-blue);
  background: var(--color-bg-light);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.section-header--inline {
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 2rem !important;
  margin-bottom: 1.5rem !important;
}

.section-header__content {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
}

.section-header__content .section-title {
  flex-shrink: 0;
  margin: 0 !important;
  font-weight: 700;
  font-size: 1.25rem;
  white-space: nowrap;
  line-height: 1.2;
}

.section-header__content .section-lead {
  flex: 1;
  margin: 0 !important;
  font-weight: 400;
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.5;
}

.section-header h2.section-title {
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
  flex-wrap: nowrap !important;
  flex-direction: row !important;
  margin: 0 !important;
  flex-shrink: 0;
}

.section-header h2.section-title i {
  flex-shrink: 0;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
}

.section-header h2.section-title span {
  flex: 0 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-lead {
  color: var(--color-text-dim);
  max-width: 720px;
  margin: 0;
}

/* 库类型切换按钮 */
/* 库类型切换开关 - From Uiverse.io */
.library-type-toggle {
  --_switch-bg-clr: #0066FC;
  --_switch-padding: 4px;
  --_slider-bg-clr: rgba(0, 102, 252, 0.4);
  --_slider-bg-clr-on: rgba(0, 102, 252, 0.9);
  --_slider-txt-clr: #ffffff;
  --_label-padding: 0.7rem 1.2rem;
  --_switch-easing: cubic-bezier(0.47, 1.64, 0.41, 0.8);
  
  color: white;
  width: fit-content;
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  position: relative;
  isolation: isolate;
  border-radius: 9999px;
  cursor: pointer;
  flex-shrink: 0 !important;
  align-self: center !important;
}

.library-type-toggle input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 300ms ease-in-out 150ms;
  padding: var(--_label-padding);
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--_slider-txt-clr);
}

.library-type-toggle::before,
.library-type-toggle::after {
  content: "";
  position: absolute;
  border-radius: inherit;
  transition: inset 150ms ease-in-out;
}

/* switch slider */
.library-type-toggle::before {
  background-color: var(--_slider-bg-clr);
  inset: var(--_switch-padding) 50% var(--_switch-padding) var(--_switch-padding);
  transition:
    inset 500ms var(--_switch-easing),
    background-color 500ms ease-in-out;
  z-index: -1;
  box-shadow:
    inset 0 1px 1px rgba(0, 0, 0, 0.2),
    0 1px rgba(255, 255, 255, 0.2);
}

/* switch bg color */
.library-type-toggle::after {
  background-color: var(--_switch-bg-clr);
  inset: 0;
  z-index: -2;
}

/* switch hover & focus */
.library-type-toggle:focus-within::after {
  inset: -0.25rem;
}

/* active state - move slider to right */
.toggle-btn.active {
  opacity: 1;
}

.library-type-toggle:has(.toggle-btn.active:last-of-type)::before {
  background-color: var(--_slider-bg-clr-on);
  inset: var(--_switch-padding) var(--_switch-padding) var(--_switch-padding) 50%;
}

/* switch hover */
.library-type-toggle:hover .toggle-btn:first-of-type:not(.active),
.library-type-toggle:hover .toggle-btn:last-of-type.active {
  opacity: 1;
  transition-delay: 0ms;
  transition-duration: 100ms;
}

.toggle-btn i {
  font-size: 1.1rem;
}

.section-lead.section-lead--single-line {
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.metric-label {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.metric-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
}

.metric-desc {
  color: var(--color-text-dim);
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

.feature-section {
  max-width: 1280px;
  margin: 2rem auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto auto;
  column-gap: 0.75rem;
  row-gap: 0.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--color-blue);
  box-shadow: 0 10px 22px var(--shadow-color);
  transform: translateY(-3px);
}

.feature-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 12px;
  background: rgba(0, 47, 167, 0.08);
  color: var(--color-blue);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  grid-column: 1;
  grid-row: 1;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin: 0;
  grid-column: 2;
  grid-row: 1;
  align-self: center;
}

.feature-card p {
  color: var(--color-text-dim);
  margin: 0;
  grid-column: 1 / span 2;
}

.feature-bullets {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0;
  display: grid;
  gap: 0.35rem;
  color: var(--color-text-dim);
  font-size: 0.95rem;
  grid-column: 1 / span 2;
}

.feature-bullets li {
  position: relative;
  padding-left: 1rem;
}

.feature-bullets li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-blue);
}

/* 生态展示区 */
.ecosystem-section {
  max-width: 1280px;
  margin: 3rem auto;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
}

.ecosystem-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.75rem 1rem;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.ecosystem-card:hover {
  border-color: var(--color-blue);
  box-shadow: 0 10px 22px var(--shadow-color);
  transform: translateY(-5px);
}

.ecosystem-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 102, 252, 0.1), rgba(51, 133, 255, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--color-blue);
  transition: all 0.3s ease;
}

.ecosystem-card:hover .ecosystem-logo {
  background: linear-gradient(135deg, rgba(0, 102, 252, 0.2), rgba(51, 133, 255, 0.1));
  transform: scale(1.1);
}

.ecosystem-card h3 {
  font-size: 1.1rem;
  margin: 0;
  color: var(--color-text);
  font-weight: 600;
}

.ecosystem-card p {
  font-size: 0.9rem;
  margin: 0;
  color: var(--color-text-dim);
}

.ecosystem-link {
  color: var(--color-blue);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin-top: 0.25rem;
  display: inline-block;
}

.ecosystem-link:hover {
  color: var(--color-white);
  background: var(--color-blue);
}

.cta-banner {
  max-width: 1280px;
  margin: 3rem auto 0;
  padding: 1.5rem 1.75rem;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(0, 47, 167, 0.08), rgba(26, 74, 207, 0.05));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-text h2 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
}

.cta-text p {
  margin: 0;
  color: var(--color-text-dim);
}

.cta-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* 6. 主题切换按钮 - Uiverse 风格 */
.theme-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
    padding: 0.5rem 1rem;
    height: 46px;
  cursor: pointer;
  line-height: 1;
  border: none;
  background: transparent;
  color: var(--color-text);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
  position: relative;
}

.theme-toggle:hover {
  background: transparent;
  border-color: transparent;
  transform: translateY(-1px) scale(1.05);
}

.theme-toggle:active {
  transform: translateY(0) scale(0.98);
}

.theme-input {
  display: none;
}

.icon {
  grid-column: 1 / 1;
  grid-row: 1 / 1;
  transition: transform 600ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 300ms ease;
  line-height: 0.1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon--moon {
  transition-delay: 100ms;
  color: #b4b4b4;
  opacity: 1;
}

.icon--sun {
  transform: scale(0) rotate(-180deg);
  color: #ffa500;
  opacity: 0;
}

#themeSwitch:checked + .icon--moon {
  transform: rotate(180deg) scale(0);
  opacity: 0;
  transition-delay: 0ms;
}

#themeSwitch:checked ~ .icon--sun {
  transition-delay: 100ms;
  transform: scale(1) rotate(0deg);
  opacity: 1;
}

/* 7. 响应式适配 */
@media (max-width: 1320px) {
  .header {
    margin-left: 1.5rem;
    margin-right: 1.5rem;
  }
}

@media (max-width: 768px) {
  .header {
    padding: 1rem;
    margin: 0 1rem 1.5rem;
  }

  .header-actions .cdn-toggle {
    height: 50px;
    min-width: 150px;
  }

  .header-actions .service-status {
    height: 46px;
    min-width: auto;
  }

  .header-actions .theme-toggle {
    height: 46px;
    width: 46px;
  }

  .logo-svg {
    height: 2.6rem;
  }

  .logo-lockup {
    gap: 0.62rem;
  }

  .logo-mark {
    width: 2.75rem;
    height: 2.75rem;
  }

  .logo-title {
    font-size: 1.85rem;
  }

  .logo-subtitle {
    margin-top: 0.28rem;
    font-size: 0.78rem;
  }

  .header-actions {
    gap: 0.75rem;
  }
  
  .service-status {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }

  .status-text {
    display: none; /* 在移动端只显示状态点 */
  }
  
  .header {
    position: relative;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.875rem;
    margin-top: 2rem;
  }

  .metric-card-compact {
    padding: 1.25rem 1rem;
  }

  .metric-icon {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
  }

  .metric-card-compact .metric-label {
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
  }

  .metric-card-compact .metric-value {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
  }

  .metric-card-compact .metric-desc {
    font-size: 0.75rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .theme-toggle {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .container > .header {
    width: calc(100% + 2rem);
    margin-left: -1rem;
    margin-right: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .cta-banner {
    padding: 1.25rem 1.1rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1;
    justify-content: center;
  }
}

/* 8. 暗色主题适配 */
[data-theme="dark"] .theme-toggle {
  background: var(--color-bg-light);
}

[data-theme="dark"] .theme-toggle:hover {
  background: var(--color-bg);
}
[data-theme="dark"] .service-status {
  background: var(--color-bg-light);
}

/* ===========================================
   🔍 搜索模块样式 (search.css)
   =========================================== */

/* 1. 搜索区域容器 */
.search-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 0 1.5rem;
  margin: 0 auto 1rem;
  position: relative;
  z-index: 1;
}

/* 不再使用“向下滚动提示”（搜索框顶部布局） */
.search-section::before,
.search-section::after {
  display: none;
}

/* 2. 搜索框输入区域 */
.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem 0.75rem 1.5rem;
  background: linear-gradient(135deg, rgba(0, 47, 167, 0.05), rgba(26, 74, 207, 0.03));
  border: 2px solid var(--color-border);
  border-radius: 20px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 47, 167, 0.12);
  width: 100%;
  max-width: 800px;
}

.search-input-wrapper:focus-within {
  border-color: var(--color-blue);
  box-shadow: 0 8px 24px rgba(0, 47, 167, 0.15);
  background: linear-gradient(135deg, rgba(0, 47, 167, 0.08), rgba(26, 74, 207, 0.05));
}



.search-icon {
  color: var(--color-blue);
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* 3. 输入框样式 */
.search-input {
  flex: 1;
  padding: 1rem 0.75rem;
  font-size: 1.15rem;
  border: none;
  background: transparent;
  color: var(--color-text);
  transition: all 0.3s ease;
}

.search-input::placeholder {
  color: var(--color-text-dim);
  opacity: 0.6;
}

.search-input:focus {
  outline: none;
}

.search-shortcut {
  flex: 0 0 auto;
  min-width: 3.3rem;
  height: 2.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.75rem;
  border: 1px solid rgba(0, 82, 217, 0.18);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: inset 0 -1px 0 rgba(0, 82, 217, 0.08), 0 6px 14px rgba(0, 82, 217, 0.08);
  color: #0052D9;
  font-family: "Sora", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  white-space: nowrap;
  user-select: none;
}

.search-btn {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, #002FA7, #1A4ACF);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.25s ease;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px rgba(0, 47, 167, 0.25);
}

.search-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 47, 167, 0.3);
}

.search-btn:active {
  transform: translateY(0);
}

.fontawesome-section {
  width: 100%;
  max-width: 1280px;
  margin: 2rem auto 2.5rem;
  padding: 0 1.5rem;
}

.fa-search-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(0, 82, 217, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-text-dim);
  font-size: 0.82rem;
  white-space: nowrap;
}

.fa-search-meta strong {
  color: #0052D9;
  font-weight: 800;
}

.fa-search-panel {
  margin-top: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 28px rgba(0, 47, 167, 0.08);
}

.fa-search-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  height: 56px;
  padding: 0 1rem;
  border: 1px solid rgba(0, 82, 217, 0.16);
  border-radius: 8px;
  background: #fff;
  color: #0052D9;
}

.fa-search-input-wrap:focus-within {
  border-color: #0052D9;
  box-shadow: 0 0 0 4px rgba(0, 82, 217, 0.08);
}

.fa-search-input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-text);
  font-size: 1rem;
}

.fa-search-input::placeholder {
  color: var(--color-text-dim);
  opacity: 0.72;
}

.fa-search-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0.85rem 0 1rem;
  color: var(--color-text-dim);
  font-size: 0.82rem;
}

.fa-search-hints span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.fa-search-hints code,
.fa-icon-title-row code {
  font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
  color: #0052D9;
  background: rgba(0, 82, 217, 0.07);
  border-radius: 6px;
  padding: 0.12rem 0.38rem;
}

.fa-search-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.8rem;
  min-height: 88px;
}

.fa-search-empty {
  grid-column: 1 / -1;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  border: 1px dashed rgba(0, 82, 217, 0.2);
  border-radius: 8px;
  color: var(--color-text-dim);
  background: rgba(0, 82, 217, 0.03);
}

.fa-search-empty i {
  color: #0052D9;
  font-size: 1.2rem;
}

.fa-icon-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  min-height: 92px;
  padding: 0.85rem;
  border: 1px solid rgba(0, 82, 217, 0.12);
  border-radius: 8px;
  background: #fff;
}

.fa-icon-preview {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(0, 82, 217, 0.07);
  color: #0052D9;
  font-size: 1.55rem;
}

.fa-icon-main {
  min-width: 0;
}

.fa-icon-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.fa-icon-title-row h3 {
  margin: 0;
  overflow: hidden;
  color: var(--color-text);
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fa-icon-main p {
  margin: 0.28rem 0 0;
  overflow: hidden;
  color: var(--color-text-dim);
  font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fa-icon-styles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.48rem;
}

.fa-icon-styles span {
  padding: 0.12rem 0.38rem;
  border-radius: 999px;
  background: rgba(0, 82, 217, 0.07);
  color: #0052D9;
  font-size: 0.68rem;
  font-weight: 700;
}

.fa-icon-actions {
  display: flex;
  gap: 0.38rem;
}

.fa-icon-actions button {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 82, 217, 0.14);
  border-radius: 8px;
  background: #fff;
  color: #0052D9;
  cursor: pointer;
}

.fa-icon-actions button:hover {
  border-color: #0052D9;
  background: rgba(0, 82, 217, 0.06);
}

.fonts-section {
  width: 100%;
  max-width: 1280px;
  margin: 2rem auto 2.5rem;
  padding: 0 1.5rem;
}

.font-count {
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(0, 82, 217, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
  color: #0052D9;
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.font-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.font-card,
.font-empty {
  border: 1px solid rgba(0, 82, 217, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 28px rgba(0, 47, 167, 0.06);
}

.font-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 176px;
  padding: 1rem;
}

.font-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.font-card__header h3 {
  margin: 0;
  color: var(--color-text);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.2;
}

.font-card__header span {
  flex: 0 0 auto;
  padding: 0.18rem 0.45rem;
  border-radius: 999px;
  background: rgba(0, 82, 217, 0.07);
  color: #0052D9;
  font-size: 0.72rem;
  font-weight: 800;
}

.font-card__meta {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.86rem;
}

.font-card__sample {
  margin: 0;
  overflow: hidden;
  color: var(--color-text);
  font-family: "Google Sans", var(--font-en);
  font-size: 1.12rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.font-card__sample.is-mono {
  font-family: var(--font-code);
  font-size: 0.95rem;
}

.font-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
}

.font-card__footer code {
  overflow: hidden;
  color: #0052D9;
  font-family: var(--font-code);
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.font-card__footer button {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 82, 217, 0.14);
  border-radius: 8px;
  background: #fff;
  color: #0052D9;
  cursor: pointer;
}

.font-card__footer button:hover {
  border-color: #0052D9;
  background: rgba(0, 82, 217, 0.06);
}

.font-empty {
  grid-column: 1 / -1;
  padding: 1.5rem;
  color: var(--color-text-dim);
  text-align: center;
}

/* 4. 搜索结果区域 */
.search-results {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  max-height: 400px;
  overflow-y: auto;
  display: none;
}

/* 5. 搜索结果项 */
.search-result-item {
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
  cursor: pointer;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--color-bg-light);
}

/* 6. 搜索结果内容样式 */
.search-result-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

/* 在 search.css 模块中搜索结果图标的样式部分添加 */
.search-result-icon {
  font-size: 1.25rem;
  width: 1.5rem;
  text-align: center;
}

/* CSS 图标保持蓝色 */
.search-result-icon.fa-css {
  color: var(--color-blue);
}

/* JS 图标使用 JavaScript 标准黄色 */
.search-result-icon.fa-js {
  color: var(--color-yellow);
}

.search-result-name {
  font-weight: 600;
  color: var(--color-text);
}

.search-result-desc {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

/* 7. 搜索结果链接样式 */
.search-result-url {
  display: block;
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--color-blue);
  background: var(--color-bg-light);
  padding: 0.5rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  word-break: break-all;
}

/* 8. 搜索结果操作按钮 */
.search-result-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

.search-copy-btn {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.search-copy-btn:hover {
  background: var(--color-bg-light);
  border-color: var(--color-blue);
}

.search-copy-btn i {
  font-size: 0.9rem;
  color: var(--color-blue);
}

.search-download-btn i {
  color: var(--color-green);
}

.search-download-btn:hover {
  border-color: var(--color-green);
}

/* 9. 加载状态 */
.search-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 3rem;
  color: var(--color-text-dim);
}

.search-loading i {
  font-size: 1.5rem;
  color: var(--color-blue);
  animation: spin 1s linear infinite;
}

/* 10. 空状态 */
.search-empty {
  padding: 2rem;
  text-align: center;
  color: var(--color-text-dim);
}

/* 11. 滚动条美化 */
.search-results::-webkit-scrollbar {
  width: 8px;
}

.search-results::-webkit-scrollbar-track {
  background: var(--color-bg-light);
  border-radius: 4px;
}

.search-results::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.search-results::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-dim);
}

/* 12. 响应式适配 */
@media (max-width: 1320px) {
  .search-section {
    padding: 0 1.5rem;
    margin: 0 auto 1rem;
  }
}

@media (max-width: 768px) {
  .search-section {
    padding: 0 1rem;
    margin: 0 auto 1rem;
  }

  .search-input-wrapper {
    padding: 0.6rem 0.75rem 0.6rem 1.25rem;
    border-radius: 16px;
    max-width: 100%;
  }

  .search-icon {
    font-size: 1.1rem;
  }

  .search-input {
    padding: 0.7rem 0.4rem;
    font-size: 0.95rem;
  }

  .search-shortcut {
    display: none;
  }

  .search-btn {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .search-result-item {
    padding: 0.75rem;
  }

  .search-result-header {
    gap: 0.75rem;
  }

  .search-result-icon {
    font-size: 1.1rem;
  }

  .search-result-desc {
    font-size: 0.85rem;
  }

  .search-result-url {
    font-size: 0.8rem;
    padding: 0.4rem;
  }

  .search-copy-btn {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
  }
}

/* 13. 暗色主题适配 */
[data-theme="dark"] .search-results {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .search-copy-btn:hover {
  background: var(--color-bg);
}

/* ===========================================
   📚 热门推荐模块样式 (popular.css)
   =========================================== */

/* 1. 主体容器 */
.fixed-section {
  max-width: 1280px;
  margin: 0 auto 2rem;
  padding: 0;
}

/* 2. 列表容器 */
.library-list {
  position: relative;
  background: var(--color-bg-light);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.library-list.is-loading {
  min-height: 220px;
}

.library-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  border-radius: inherit;
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(3px);
  animation: fadeIn 0.16s ease-out;
}

[data-theme="dark"] .library-loading-overlay {
  background: rgba(15, 23, 42, 0.68);
}

.library-list.switching-in {
  animation: listFadeIn 0.22s ease forwards;
}

/* 3. 库卡片基础样式 */
.lib-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
  animation: slideInUp 0.4s ease;
}

.lib-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px var(--shadow-color);
  border-color: var(--color-blue);
}

.lib-item.single-line-view {
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  border-radius: 10px;
  animation: none;
}

.lib-item.single-line-view .lib-content {
  gap: 0.75rem;
}

.lib-item.single-line-view .lib-main-row {
  flex-wrap: nowrap;
  gap: 1rem;
  min-width: 0;
}

.lib-item.single-line-view .lib-icon {
  width: 1.75rem;
  flex: 0 0 1.75rem;
  font-size: 1.15rem;
}

.lib-item.single-line-view .lib-name-group {
  flex: 0 1 15rem;
  min-width: 0;
  gap: 0.55rem;
}

.lib-item.single-line-view .lib-name {
  max-width: none;
  font-size: 1rem;
}

.lib-item.single-line-view .github-badge,
.lib-item.single-line-view .tag-badge,
.lib-item.single-line-view .version-badge,
.lib-item.single-line-view .update-badge,
.lib-item.single-line-view .latest-update-badge {
  flex: 0 0 auto;
  padding: 0.2rem 0.6rem;
  font-size: 0.78rem;
  line-height: 1.2;
}

.lib-item.single-line-view .lib-description {
  flex: 1 1 auto;
  min-width: 8rem;
  margin-top: 0;
  overflow: hidden;
  color: var(--color-text-dim);
  font-size: 0.86rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lib-item.single-line-view .lib-tags,
.lib-item.single-line-view .version-info {
  flex: 0 0 auto;
}

.lib-item.single-line-view .version-info {
  gap: 0.55rem;
  margin-left: auto;
}

.lib-item.single-line-view .update-badge {
  margin-left: auto;
}

.lib-item.single-line-view .lib-url-row {
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
}

.lib-item.single-line-view .lib-url {
  min-width: 0;
  font-size: 0.82rem;
}

.lib-item.single-line-view .copy-actions {
  flex: 0 0 auto;
}

/* 4. 卡片内容布局 */
.lib-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lib-main-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* 5. 图标样式 */
.lib-icon {
  font-size: 1.5rem;
  color: var(--color-blue);
  width: 2.5rem;
  text-align: center;
}

/* 6. 名称和描述 */
.lib-name-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.lib-name {
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px; /* 根据需要调整 */
}

.lib-name:hover {
  color: var(--color-blue);
}

.lib-description {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  flex: 2;
}

/* 7. GitHub 徽章 */
.github-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: var(--color-bg-light);
  transition: all 0.3s ease;
}

.github-badge:hover {
  background: var(--color-bg);
  color: var(--color-blue);
}

.github-stars {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* GitHub 星星样式 */
.github-stars i {
  color: #f1c40f;
}

.github-badge:hover .github-stars i {
  color: #f39c12;
}

/* 8. 标签样式 */
.lib-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-badge {
  font-size: 0.85rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: var(--color-bg-light);
  color: var(--color-text-dim);
}

/* 9. 版本信息 */
.version-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.version-badge {
  font-size: 0.85rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: var(--color-bg-light);
  color: var(--color-blue);
}

.update-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.update-badge.latest {
  color: var(--color-blue);
}

/* 10. URL 区域 */
.lib-url-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-bg-light);
  padding: 0.75rem;
  border-radius: 8px;
}

.lib-url {
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: var(--color-text);
  flex: 1;
  overflow-x: auto;
  white-space: nowrap;
}

/* 11. 复制按钮组 */
.copy-actions {
  display: flex;
  gap: 0.5rem;
}

.copy-btn {
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 2rem;
  aspect-ratio: 1 / 1;
}

.copy-btn:hover {
  background: var(--color-bg-light);
  border-color: var(--color-blue);
}

.copy-btn i {
  font-size: 0.9rem;
  color: var(--color-blue);
}

.copy-btn.download-btn i {
  color: var(--color-green);
}

.copy-btn.download-btn:hover {
  border-color: var(--color-green);
}

/* 12. 加载和错误状态 */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 3rem;
  color: var(--color-text-dim);
  animation: fadeInScale 0.3s ease-out;
  min-height: 120px;
}

.loading.show {
  animation: fadeInScale 0.3s ease-out;
}

.loading-spinner-svg {
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  display: block;
}

.error {
  padding: 2rem;
  text-align: center;
  color: var(--color-text-dim);
}

.error-detail {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-red);
}

/* 13. 响应式适配 */
@media (max-width: 1320px) {
  .fixed-section {
    margin-left: 1.5rem;
    margin-right: 1.5rem;
  }
}

@media (max-width: 1200px) {
  .lib-main-row {
    gap: 1rem;
  }
  
  .lib-description {
    flex: 1 0 100%;
    margin-top: 0.5rem;
  }
}

@media (max-width: 768px) {
  .fixed-section {
    margin: 1.5rem 1rem;
    padding: 0;
  }

  .section-header--inline {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 1rem !important;
  }

  .section-header__content {
    flex-direction: column !important;
    gap: 0.4rem;
    width: 100%;
  }

  .library-type-toggle {
    --_label-padding: 0.6rem 1.2rem;
    width: fit-content;
    align-self: flex-start !important;
  }

  .toggle-btn {
    padding: var(--_label-padding);
    font-size: 0.85rem;
  }

  .library-list {
    padding: 1.5rem;
  }

  .lib-item {
    padding: 1rem;
  }

  .lib-name {
    font-size: 1.1rem;
  }

  .lib-description {
    font-size: 0.9rem;
  }

  .lib-url {
    font-size: 0.85rem;
  }

  .version-info {
    flex-wrap: wrap;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .lib-item.single-line-view .lib-main-row {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .lib-item.single-line-view .lib-name-group,
  .lib-item.single-line-view .lib-description,
  .lib-item.single-line-view .version-info {
    flex: 1 1 100%;
  }

  .lib-item.single-line-view .version-info {
    margin-left: 0;
    margin-top: 0;
  }

  .lib-item.single-line-view .lib-url-row {
    align-items: stretch;
    flex-direction: column;
  }

  .lib-item.single-line-view .copy-actions {
    align-self: flex-end;
  }
}

/* 14. 暗色主题适配 */
[data-theme="dark"] .lib-url-row {
  background: var(--color-bg);
}

[data-theme="dark"] .copy-btn:hover {
  background: var(--color-bg);
}

/* ===========================================
   📖 FAQ与使用说明样式 (faq.css)
   =========================================== */

/* 1. 主体容器 */
.section-group-wrapper {
  margin: 5rem auto;
  max-width: 1360px;
  padding: 0;
}

/* 2. 网格布局 - 完美左右两栏 */
.section-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: flex-start;
}

/* 3. 区域基础样式 */
.usage-section,
.faq-section {
  background: linear-gradient(135deg, var(--color-bg-light) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.usage-section:hover,
.faq-section:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border-color: var(--color-blue);
}

/* 4. 标题样式：复用全局 .section-title 定义 */
.usage-section .section-title,
.faq-section .section-title {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.usage-section .section-title i,
.faq-section .section-title i {
  margin-right: 0.5rem;
  color: var(--color-blue);
}

/* 5. 使用说明样式 */
.section-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.usage-step {
  margin-bottom: 0.5rem;
}

.step-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.step-label i {
  color: var(--color-blue);
  font-size: 0.9rem;
}

/* 6. 代码框样式 */
.code-box {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  padding: 1.2rem;
  margin: 0.75rem 0;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.code-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.code-box:hover {
  border-color: var(--color-blue);
  box-shadow: 0 4px 16px rgba(0, 102, 252, 0.15);
}

.code-box:hover::before {
  opacity: 1;
}

.code-box code {
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: var(--color-text);
  display: block;
  overflow-x: auto;
}

.url-label {
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

/* 7. 复制按钮 */
.copy-btn-inline {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.copy-btn-inline:hover {
  background: var(--color-bg-light);
  border-color: var(--color-blue);
}

.copy-btn-inline i {
  color: var(--color-blue);
}

/* 8. 使用提示样式 */
.usage-tips {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(0, 102, 252, 0.05) 0%, rgba(0, 102, 252, 0.02) 100%);
  border-left: 4px solid var(--color-blue);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.usage-tips:hover {
  background: linear-gradient(135deg, rgba(0, 102, 252, 0.1) 0%, rgba(0, 102, 252, 0.05) 100%);
}

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

.tips-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-dim);
  line-height: 1.5;
  transition: all 0.2s ease;
}

.tips-list li:hover {
  color: var(--color-text);
  padding-left: 2rem;
}

.tips-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-blue);
  font-weight: 600;
}

/* 9. FAQ样式 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  margin-bottom: 0;
  padding: 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.faq-item:hover {
  background: var(--color-bg-light);
  border-color: var(--color-blue);
  box-shadow: 0 4px 16px rgba(0, 102, 252, 0.1);
  transform: translateY(-2px);
}

.faq-question {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.faq-question i {
  color: var(--color-blue);
  margin-top: 2px;
  flex-shrink: 0;
}

.faq-answer {
  color: var(--color-text-dim);
  line-height: 1.6;
  margin: 0;
  font-size: 0.95rem;
}

/* 10. 响应式适配 */
@media (max-width: 1320px) {
  .section-group-wrapper {
    margin-left: 1.5rem;
    margin-right: 1.5rem;
  }
}

@media (max-width: 1024px) {
  .section-group {
    gap: 2.5rem;
  }

  .usage-section,
  .faq-section {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  .section-group-wrapper {
    margin: 3rem 1rem;
    padding: 0;
  }

  .section-group {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .usage-section,
  .faq-section {
    padding: 1.5rem;
  }

  .usage-section .section-title,
  .faq-section .section-title {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
  }

  .code-box {
    padding: 1rem;
    font-size: 0.85rem;
  }

  .code-box code {
    font-size: 0.85rem;
  }

  .copy-btn-inline {
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
  }

  .faq-question {
    font-size: 1rem;
  }

  .faq-answer {
    font-size: 0.9rem;
  }

  .tips-list li {
    padding-left: 1.5rem;
  }

  .usage-tips {
    padding: 1.25rem;
  }
}

/* 11. 暗色主题适配 */
[data-theme="dark"] .usage-section,
[data-theme="dark"] .faq-section {
  background: linear-gradient(135deg, rgba(13, 13, 13, 0.8) 0%, rgba(13, 13, 13, 0.5) 100%);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .usage-section:hover,
[data-theme="dark"] .faq-section:hover {
  border-color: var(--color-blue);
}

[data-theme="dark"] .code-box {
  background: rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .code-box:hover {
  border-color: var(--color-blue);
  box-shadow: 0 4px 16px rgba(0, 102, 252, 0.2);
}

[data-theme="dark"] .faq-item {
  background: rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .faq-item:hover {
  background: rgba(0, 102, 252, 0.05);
  border-color: var(--color-blue);
}

[data-theme="dark"] .usage-tips {
  background: linear-gradient(135deg, rgba(0, 102, 252, 0.1) 0%, rgba(0, 102, 252, 0.05) 100%);
  border-left-color: var(--color-blue);
}

[data-theme="dark"] .copy-btn-inline {
  background: rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .copy-btn-inline:hover {
  background: rgba(0, 102, 252, 0.1);
  border-color: var(--color-blue);
}

/* ===========================================
   👣 页脚样式 (footer.css)
   =========================================== */

/* 1. 页脚容器 - 全宽黑色背景 */
.footer {
  background: #0A0A0A !important;
  color: #999999;
  margin-top: 4rem;
  padding: 3rem 0 0 0;
  border-top: 1px solid #1a1a1a;
  width: 100%;
  left: 0;
  right: 0;
  box-sizing: border-box;
  margin-left: 0;
  margin-right: 0;
  position: relative;
  z-index: 10;
}

/* 2. 页脚内容网格布局 */
.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
}

/* 3. 页脚列 */
.footer-column {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-column-title {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 0.5rem;
  line-height: 1.4;
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links-list li {
  margin: 0;
}

.footer-links-list a {
  color: #999999;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.footer-links-list a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.footer-links-list i {
  font-size: 0.9rem;
  color: #0066FC;
}

/* 4. 页脚底部 */
.footer-bottom {
  max-width: 100%;
  margin-top: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid #1a1a1a;
  background: #000000 !important;
  width: 100%;
  margin-left: 0;
  margin-right: 0;
}

.footer-bottom-content {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-copyright {
  margin: 0 0 0.5rem;
  color: #666666;
}

.footer-icp {
  display: inline-flex;
  align-items: center;
  color: #7a7a7a;
  font-size: 0.82rem;
  line-height: 1.4;
}

.footer-copyright a {
  color: #0066FC;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
}

.footer-copyright a:hover {
  color: #3385FF;
}

.footer-slogan {
  margin: 0;
  color: #555555;
  font-style: italic;
}

.footer-bottom-content .service-status {
  margin-left: auto;
}

/* 5. 响应式适配 */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .footer {
    padding: 2rem 0;
    margin-top: 3rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-links-list a {
    font-size: 0.85rem;
  }
}

/* ===========================================
   ✨ 动画效果样式 (animations.css)
   =========================================== */

/* 1. 基础动画关键帧 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 库列表切换动画 */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes listFadeIn {
  from {
    opacity: 0.68;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOutScale {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.98);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideOutDown {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

@keyframes pulse-scale {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

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

/* 2. 加载动画 */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  color: var(--color-text-dim);
  animation: fadeIn 0.3s ease;
}

.fa-spin {
  animation: spin 1s linear infinite;
}

/* 3. 复制成功动画 */
.copy-success {
  animation: fadeIn 0.3s ease;
}

.copy-error {
  animation: pulse-scale 0.3s ease;
}

/* 4. 卡片悬停动画 */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px var(--shadow-color);
}

/* 5. 按钮点击动画 */
.btn-press {
  transition: transform 0.2s ease;
}

.btn-press:active {
  transform: scale(0.95);
}

/* 6. 列表项动画 */
.list-item-appear {
  animation: slideIn 0.3s ease forwards;
  opacity: 0;
}

/* 7. 过渡效果类 */
.transition-all {
  transition: all 0.3s ease;
}

.transition-transform {
  transition: transform 0.3s ease;
}

.transition-opacity {
  transition: opacity 0.3s ease;
}

/* 8. 动画延迟类 */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* 9. 动画持续时间类 */
.duration-300 { animation-duration: 300ms; }
.duration-500 { animation-duration: 500ms; }
.duration-700 { animation-duration: 700ms; }
.duration-1000 { animation-duration: 1000ms; }

/* 10. 动画缓动函数类 */
.ease-in-out { animation-timing-function: ease-in-out; }
.ease-out { animation-timing-function: ease-out; }
.ease-in { animation-timing-function: ease-in; }
.linear { animation-timing-function: linear; }

/* 11. 动画工具类 */
.animate-once {
  animation-iteration-count: 1;
}

.animate-infinite {
  animation-iteration-count: infinite;
}

.animate-hover {
  animation-play-state: paused;
}

.animate-hover:hover {
  animation-play-state: running;
}

/* 12. 响应式适配 */
@media (max-width: 768px) {
  .hover-lift:hover {
    transform: none;
    box-shadow: none;
  }
  
  .animate-mobile-none {
    animation: none !important;
    transition: none !important;
  }
}
/* ===========================================
   📱 响应式适配 (responsive.css)
   =========================================== */

/* 1. 大屏幕适配 (1320px以上) */
@media (min-width: 1321px) {
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0;
  }
}

/* 2. 桌面端适配 (1320px) */
@media (max-width: 1320px) {
  /* 布局容器 */
  .container,
  .fixed-section,
  .advantage-section,
  .section-group-wrapper,
  .search-section,
  .header,
  .footer {
    margin-left: 1.5rem;
    margin-right: 1.5rem;
  }
}

/* 3. 平板电脑适配 (1200px) */
@media (max-width: 1200px) {
  /* 网格布局调整 */
  .advantage-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .section-group {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* 卡片内容调整 */
  .lib-main-row {
    gap: 1rem;
  }
  
  .lib-description {
    flex: 1 0 100%;
    margin-top: 0.5rem;
  }
}

/* 4. 平板/大手机适配 (768px) */
@media (max-width: 768px) {
  /* 通用间距调整 */
  .container {
    margin: 0 1rem;
  }

  /* 头部样式 */
  .header {
    padding: 1rem;
    margin: 0 1rem 1.5rem;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.875rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
  }

  /* 搜索区域 */
  .search-section {
    margin: 1.5rem 1rem;
    padding: 0;
  }

  .search-input {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }

  /* 服务优势区域 */
  .advantage-section {
    margin: 1.5rem 1rem;
    padding: 1.5rem;
  }

  .advantage-list {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* 热门推荐区域 */
  .fixed-section {
    margin: 1.5rem 1rem;
    padding: 0;
  }

  .library-list {
    padding: 1.5rem;
  }

  .lib-item {
    padding: 1rem;
  }

  /* FAQ与使用说明 */
  .section-group-wrapper {
    margin: 2rem 1rem;
    padding: 0;
  }

  .usage-section,
  .faq-section {
    padding: 1.5rem;
  }

  /* 页脚样式 */
  .footer {
    margin: 3rem 1rem 0;
    padding: 1.5rem 0;
  }
}

/* 5. 小屏手机适配 (480px) */
@media (max-width: 480px) {
  /* 头部样式 */
  .header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* 指标网格响应式 */
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1.5rem;
  }

  .metric-card-compact {
    padding: 1rem;
  }

  .metric-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }

  .metric-card-compact .metric-label {
    font-size: 0.85rem;
  }

  .metric-card-compact .metric-value {
    font-size: 1.1rem;
  }

  .metric-card-compact .metric-desc {
    font-size: 0.7rem;
  }

  /* 标签组样式 */
  .lib-tags {
    justify-content: center;
  }

  /* 按钮组样式 */
  .copy-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* 6. 触摸屏优化 */
@media (hover: none) {
  .hover-lift:hover {
    transform: none;
    box-shadow: none;
  }

  .animate-hover {
    animation: none !important;
  }
}

/* 7. 高分屏适配 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .logo-svg {
    transform: translateZ(0);
  }
}

/* 8. 打印样式优化 */
@media print {
  .theme-toggle,
  .copy-actions,
  .search-section {
    display: none !important;
  }

  .container {
    margin: 0;
    padding: 0;
  }

  body {
    background: white;
    color: black;
  }
}

@media (max-width: 768px) {
  .fonts-section {
    padding: 0 1rem;
    margin: 1.5rem auto 2rem;
  }

  .font-count {
    margin-top: 0.75rem;
  }

  .font-list {
    grid-template-columns: 1fr;
  }

  .fontawesome-section {
    padding: 0 1rem;
    margin: 1.5rem auto 2rem;
  }

  .fa-search-meta {
    margin-top: 0.75rem;
  }

  .fa-search-panel {
    padding: 1rem;
  }

  .fa-search-input-wrap {
    height: 50px;
  }

  .fa-search-results {
    grid-template-columns: 1fr;
  }

  .fa-icon-card {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .fa-icon-preview {
    width: 48px;
    height: 48px;
  }

  .fa-icon-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }
}

/* ===========================================
   💖 点赞按钮样式 (From Uiverse.io by vinodjangid07)
   =========================================== */

.like-button {
  width: 140px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border: none;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.089);
  cursor: pointer;
  background-color: transparent;
}

.leftContainer {
  width: 60%;
  height: 100%;
  background-color: rgb(238, 0, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color 0.3s ease;
}

.leftContainer .like-text {
  color: white;
  font-weight: 600;
}

.leftContainer svg {
  transition: transform 0.2s ease;
}

.likeCount {
  width: 40%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgb(238, 0, 0);
  font-weight: 600;
  position: relative;
  background-color: white;
}

.likeCount::before {
  height: 8px;
  width: 8px;
  position: absolute;
  content: "";
  background-color: rgb(255, 255, 255);
  transform: rotate(45deg);
  left: -4px;
}

.like-button:hover .leftContainer {
  background-color: rgb(219, 0, 0);
}

.like-button:active .leftContainer {
  background-color: rgb(201, 0, 0);
}

.like-button:active .leftContainer svg {
  transform: scale(1.15);
  transform-origin: top;
}

/* 飘动的心形动画 */
.floating-heart {
  position: fixed;
  pointer-events: none;
  z-index: 10000;
  animation: floatUp 1.5s ease-out forwards;
  font-size: 1.5rem;
  color: #ff69b4;
}

@keyframes floatUp {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  50% {
    opacity: 0.8;
    transform: translateY(-50px) scale(1.2);
  }
  100% {
    opacity: 0;
    transform: translateY(-100px) scale(0.8);
  }
}

/* 提示消息 */
.like-toast {
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: 0.75rem 1.5rem;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  border-radius: 50px;
  font-size: 0.9rem;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  backdrop-filter: blur(10px);
}

.like-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 深色主题适配 */
[data-theme="dark"] .likeCount {
  background-color: rgba(255, 255, 255, 0.1);
  color: rgb(238, 0, 0);
}

[data-theme="dark"] .likeCount::before {
  background-color: rgba(255, 255, 255, 0.1);
}



/* 9. 减少动画 */
@media (prefers-reduced-motion: reduce) {
  /* 避免在 Windows/浏览器触发该选项时“全站动画消失” */
  html:focus-within {
    scroll-behavior: auto !important;
  }

  /* 只缩短过渡（不动关键加载动画） */
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }

  /* 关闭少量非必要动效，保留加载旋转/提示类动画 */
  .floating-heart,
  .like-toast,
  .library-list.switching-in {
    animation: none !important;
  }
}