/* 基本布局与排版 */
body {
    background-color: #f4f3f2;
    font-family: -apple-system, BlinkMacSystemFont, "segoe ui", Roboto, "helvetica neue", sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
  }
  
  .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    border-radius: 8px;
  }
  
  .container.blog-page {
    background-color: transparent;
    box-shadow: none;
    border-radius: 0;
  }
  
  h1, h2, h3, h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: #222;
  }
  
  p {
    margin-bottom: 1rem;
  }
  
  a {
    color: #2b4f60;
    text-decoration: underline;
  }
  a:hover {
    color: #1f3b45;
  }
  
  code {
    background: #f4f4f4;
    padding: .2em .4em;
    border-radius: 4px;
    font-family: monospace;
  }
  pre {
    background: #f0f0f0;
    padding: 1em;
    overflow-x: auto;
    border-radius: 6px;
  }
  
  #tw-comment {
    margin-top: 3rem;
  }
  
  /* Header & Nav */
  .site-header {
    background-color: #d5e5d5;
    padding: 1.5rem 0;
    border-bottom: 1px solid #ddd;
  }
  
  .site-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    font-size: 1.15rem;
    padding-right: 7rem;
  }
  
  .site-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #333;
    text-decoration: none;
    margin-left: 5rem;
    padding: .25rem 0;
    line-height: 1;
    display: inline-block;
  }
  .site-title:hover {
    color: #000;
  }
  
  .nav-left {
    display: flex;
    align-items: center;
    gap: .75rem;
  }
  
  .nav-links {
    display: flex;
    gap: 1.5rem;
  }
  
  .nav-link {
    text-decoration: none;
    color: #908b8b;
    position: relative;
    transition: color .3s ease;
  }
  .nav-link:hover {
    color: #000;
  }
  .nav-link.active {
    color: #000;
    text-decoration: underline;
  }
  
  /* 主题切换按钮 */
  .theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: #666;
    padding-left: .5rem;
  }
  body.dark .theme-toggle {
    color: #f2f2f2;
  }
  
  /* Footer */
  .site-footer {
    margin-top: 0rem;
  }
  
  /* 卡片和内容 */
  .card {
    background-color: #f6f8f6;
    border-radius: 8px;
    box-shadow: 0 1px 6px rgba(0,0,0,.1);
    padding: 1.2rem;
    margin-bottom: 1rem;
    transition: background-color .3s ease;
  }
  
  .card-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    width: 100%;
    margin: 0 auto;
  }
  .card-row .card {
    margin-bottom: 0;
    flex: 1 1 300px;
    min-width: 260px;
  }
  
  .about-content {
    font-size: 1.05rem;
  }
  .about-content p {
    line-height: 1.5rem;
    margin-bottom: 1.2rem;
  }
  .about-content ul {
    padding-left: 1.5rem;
    margin-bottom: 3rem;
  }
  .about-content li {
    margin-bottom: .4rem;
    line-height: 1.5;
  }
  .card .about-content,
  .card p,
  .card ul,
  .card li {
    text-justify: inter-word;
  }
  .card .about-content {
    line-height: 1.7;
  }
  .card .about-content p {
    margin-top: 0;
    margin-bottom: .8em;
  }
  
  /* 图片 */
  .post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
  }
  
  /* 简历样式 */
  .cv-container {
    max-width: 800px;
    margin: auto;
    font-family: sans-serif;
    padding: 1rem;
  }
  .cv-container .card {
    background-color: #f6f8f6;
    padding: .5rem 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 6px rgba(0,0,0,.1);
    transition: background-color .3s ease;
  }
  .cv-container h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
  }
  .cv-container .card ul {
    padding-left: 1.5rem;
    margin: 0;
  }
  .cv-container .card ul li {
    margin-bottom: 1rem;
  }
  
  /* 项目相关 */
  .project-title-link {
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1.5px;
    color: inherit;
    font-weight: inherit;
    transition: background .2s, box-shadow .2s, transform .2s, text-decoration-color .2s, text-decoration-thickness .2s;
    border-radius: 6px;
    padding: 2px 4px;
    display: inline-block;
  }
  .project-title-link:hover,
  .project-title-link:focus {
    background: #e9d5ff;
    box-shadow: 0 2px 8px #a21caf33;
    cursor: pointer;
    transform: scale(1.03);
    text-decoration: underline;
    text-decoration-thickness: 2.5px;
    text-decoration-color: #9333ea;
  }
  .project-card {
    transition: background .2s, box-shadow .2s, transform .2s;
  }
  a:hover .project-card,
  a:focus .project-card {
    background: #f3e8ff;
    box-shadow: 0 4px 16px #a21caf33;
    transform: translateY(-2px) scale(1.015);
    cursor: pointer;
  }
  body.dark a:hover .project-card,
  body.dark a:focus .project-card {
    background: #3e2a53;
    box-shadow: 0 4px 16px #a21caf44;
  }
  .project-intro {
    font-size: 1.18rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 2.2rem;
  }
  body.dark .project-intro {
    color: #e6e6e6;
  }
  
  
  /* 暗色模式 */
  body.dark {
    background-color: #1e1e1e;
    color: #f2f2f2;
  }
  body.dark .container {
    background-color: #2a2a2a;
    box-shadow: 0 2px 4px rgba(255,255,255,0.05);
  }
  body.dark h1,
  body.dark h2,
  body.dark h3,
  body.dark h4 {
    color: #f2f2f2;
  }
  body.dark a {
    color: #9cdfff;
  }
  body.dark a:hover {
    color: #c0eaff;
  }
  body.dark code {
    background: #333;
  }
  body.dark pre {
    background: #2c2c2c;
  }
  body.dark .site-header {
    background-color: #2e2e2e;
    border-color: #444;
  }
  body.dark .site-title {
    color: #f2f2f2;
  }
  body.dark .site-title:hover {
    color: #fff;
  }
  body.dark .nav-link {
    color: #aaa;
  }
  body.dark .nav-link:hover,
  body.dark .nav-link.active {
    color: #fff;
  }
  body.dark .card {
    background-color: #2e2e2e;
    color: #f2f2f2;
  }
  body.dark .cv-container .card {
    background-color: #2e2e2e;
    color: #f2f2f2;
    box-shadow: 0 1px 6px rgba(255,255,255,0.05);
  }
  body.dark .cv-container a {
    color: #9cdfff;
  }
  
  
  /* 响应式设计 */
  @media (max-width: 768px) {
    .site-title {
      font-size: 1.3rem;
      margin-left: 1rem;
    }
    .site-nav {
      flex-direction: column;
      align-items: flex-start;
      gap: .5rem;
      padding-right: 1rem;
    }
    .nav-links {
      flex-direction: column;
      align-items: flex-start;
      gap: .75rem;
      width: 100%;
    }
    .nav-link {
      font-size: 1rem;
    }
    .theme-toggle {
      font-size: 1.1rem;
      margin-left: .5rem;
    }
  }