/* =============================
     RHYFELL 博客完整模块
     无需 JavaScript
     ============================= */

  #rhyfell-blog-hub {
    --rf-title: #101c2c;
    --rf-text: #586e88;
    --rf-accent: #63d6c5;
    --rf-hover: #83e3d5;
    --rf-link: #087f83;
    --rf-mint: #edf9f6;
    --rf-gray: #f5f7fa;
    --rf-border: #cfece6;
    --rf-line: #e0e7ef;

    width: 100%;
    background: #ffffff;
    color: var(--rf-text);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    overflow-wrap: anywhere;
  }

  #rhyfell-blog-hub,
  #rhyfell-blog-hub *,
  #rhyfell-blog-hub *::before,
  #rhyfell-blog-hub *::after {
    box-sizing: border-box;
  }

  #rhyfell-blog-hub a {
    color: var(--rf-link);
    text-decoration: none;
  }

  #rhyfell-blog-hub a:hover {
    color: #116f63;
    text-decoration: underline;
  }

  #rhyfell-blog-hub h2,
  #rhyfell-blog-hub h3,
  #rhyfell-blog-hub h4 {
    color: var(--rf-title);
    font-family: inherit;
    line-height: 1.35;
    letter-spacing: normal;
  }

  #rhyfell-blog-hub p,
  #rhyfell-blog-hub li {
    color: var(--rf-text);
  }

  #rhyfell-blog-hub img {
    max-width: 100%;
  }

  #rhyfell-blog-hub a:focus-visible,
  #rhyfell-blog-hub summary:focus-visible {
    outline: 2px solid var(--rf-link);
    outline-offset: 4px;
  }

  /* 博客列表 */

  #rhyfell-blog-hub .rf-list {
    max-width: 1180px;
    padding: 45px 20px 70px;
    margin: 0 auto;
  }

  #rhyfell-blog-hub .rf-heading {
    margin-bottom: 34px;
    text-align: center;
  }

  #rhyfell-blog-hub .rf-heading h2 {
    margin: 0 0 12px;
    font-size: 36px;
    font-weight: 700;
  }

  #rhyfell-blog-hub .rf-heading p {
    margin: 0;
    font-size: 15px;
  }

  #rhyfell-blog-hub .rf-heading::after {
    content: "";
    display: block;
    width: 42px;
    height: 3px;
    margin: 20px auto 0;
    background: #116f63;
  }

  #rhyfell-blog-hub .rf-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  #rhyfell-blog-hub .rf-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--rf-line);
    border-radius: 10px;
    box-shadow: 0 3px 14px rgba(16, 28, 44, 0.055);
    transition: border-color 0.2s, box-shadow 0.2s;
  }

  #rhyfell-blog-hub .rf-card:hover {
    border-color: var(--rf-border);
    box-shadow: 0 7px 22px rgba(16, 28, 44, 0.09);
  }

  #rhyfell-blog-hub .rf-cover {
    position: relative;
    display: block;
    overflow: hidden;
    background: var(--rf-gray);
  }

  #rhyfell-blog-hub .rf-cover img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
  }

  #rhyfell-blog-hub .rf-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 3px 11px;
    background: var(--rf-accent);
    color: #10252b;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.6;
  }

  #rhyfell-blog-hub .rf-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 22px;
  }

  #rhyfell-blog-hub .rf-card h3 {
    margin: 0 0 13px;
    font-size: 19px;
    font-weight: 700;
  }

  #rhyfell-blog-hub .rf-card h3 a {
    color: var(--rf-title);
  }

  #rhyfell-blog-hub .rf-card h3 a:hover {
    color: var(--rf-link);
  }

  #rhyfell-blog-hub .rf-card p {
    margin: 0 0 22px;
    font-size: 14px;
    line-height: 1.8;
  }

  #rhyfell-blog-hub .rf-read {
    margin-top: auto;
    font-size: 14px;
    font-weight: 700;
  }

  /* 文章切换：
     点击卡片锚点后显示文章，隐藏列表。
     没有选中文章时，默认显示列表。 */

  #rhyfell-blog-hub > .rf-article,
  #rhyfell-blog-hub > .rf-article-common {
    display: none;
  }

  #rhyfell-blog-hub > .rf-article:target {
    display: block;
    scroll-margin-top: 24px;
  }

  #rhyfell-blog-hub > .rf-article:target ~ .rf-list {
    display: none;
  }

  #rhyfell-blog-hub > .rf-article:target ~ .rf-article-common {
    display: block;
  }

  /* 文章顶部 */

  #rhyfell-blog-hub .rf-hero {
    padding: 44px 24px 40px;
    background: var(--rf-mint);
    border-bottom: 1px solid var(--rf-border);
    text-align: center;
  }

  #rhyfell-blog-hub .rf-back {
    font-size: 14px;
    font-weight: 700;
  }

  #rhyfell-blog-hub .rf-hero h2 {
    max-width: 860px;
    margin: 20px auto 16px;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
  }

  #rhyfell-blog-hub .rf-meta {
    margin: 0;
    font-size: 13px;
  }

  /* 文章正文 */

  #rhyfell-blog-hub .rf-body {
    max-width: 940px;
    padding: 38px 24px 0;
    margin: 0 auto;
  }

  #rhyfell-blog-hub .rf-kicker {
    display: block;
    margin-bottom: 12px;
    color: var(--rf-link);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
  }

  #rhyfell-blog-hub .rf-lead {
    margin: 0 0 26px;
    color: var(--rf-title);
    font-size: 20px;
    line-height: 1.7;
  }

  #rhyfell-blog-hub .rf-main-image {
    display: block;
    width: 100%;
    max-height: 500px;
    margin: 0 0 36px;
    border-radius: 8px;
    object-fit: cover;
  }

  #rhyfell-blog-hub .rf-section {
    margin: 0 0 40px;
  }

  #rhyfell-blog-hub .rf-section h3 {
    margin: 0 0 18px;
    font-size: 27px;
  }

  #rhyfell-blog-hub .rf-section h4 {
    margin: 23px 0 10px;
    font-size: 19px;
  }

  #rhyfell-blog-hub .rf-section p {
    margin: 0 0 16px;
  }

  #rhyfell-blog-hub .rf-section ul {
    margin: 0;
    padding-left: 22px;
  }

  #rhyfell-blog-hub .rf-section li {
    margin-bottom: 12px;
  }

  #rhyfell-blog-hub .rf-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
  }

  /* 文章通用下半部分 */

  #rhyfell-blog-hub .rf-article-common {
    max-width: 940px;
    padding: 0 24px 60px;
    margin: 0 auto;
  }

  #rhyfell-blog-hub .rf-panel {
    padding: 28px;
    background: var(--rf-mint);
    border: 1px solid var(--rf-border);
    border-radius: 9px;
  }

  #rhyfell-blog-hub .rf-table-wrap {
    overflow-x: auto;
    margin-top: 22px;
  }

  #rhyfell-blog-hub table {
    width: 100%;
    min-width: 550px;
    margin: 0;
    border-collapse: collapse;
    background: #ffffff;
    color: var(--rf-text);
    font-size: 14px;
    line-height: 1.7;
  }

  #rhyfell-blog-hub th,
  #rhyfell-blog-hub td {
    padding: 14px;
    border: 1px solid var(--rf-border);
    text-align: left;
    vertical-align: top;
  }

  #rhyfell-blog-hub th {
    background: #e3f5f0;
    color: var(--rf-title);
    font-weight: 700;
  }

  #rhyfell-blog-hub tbody tr:nth-child(even) {
    background: #f8fcfb;
  }

  /* 常见问题 */

  #rhyfell-blog-hub .rf-faq details {
    padding: 18px 0;
    border-bottom: 1px solid var(--rf-line);
  }

  #rhyfell-blog-hub .rf-faq summary {
    cursor: pointer;
    color: var(--rf-title);
    font-size: 16px;
    font-weight: 700;
  }

  #rhyfell-blog-hub .rf-faq details[open] summary {
    color: var(--rf-link);
  }

  #rhyfell-blog-hub .rf-faq details p {
    margin: 14px 0 0;
    font-size: 15px;
  }

  /* 联系询盘 */

  #rhyfell-blog-hub .rf-cta {
    padding: 32px;
    margin: 42px 0;
    background: #f7fbfa;
    border: 1px solid var(--rf-border);
    border-top: 2px solid var(--rf-accent);
    border-radius: 9px;
  }

  #rhyfell-blog-hub .rf-cta h3 {
    margin: 0 0 16px;
    font-size: 29px;
  }

  #rhyfell-blog-hub .rf-cta p {
    margin: 0 0 15px;
  }

  #rhyfell-blog-hub .rf-button {
    display: inline-block;
    padding: 13px 25px;
    margin-top: 10px;
    background: var(--rf-accent);
    color: #10252b;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 700;
    text-align: center;
  }

  #rhyfell-blog-hub .rf-button:hover {
    background: var(--rf-hover);
    color: #10252b;
    text-decoration: none;
  }

  #rhyfell-blog-hub .rf-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--rf-line);
    text-align: center;
  }

  #rhyfell-blog-hub .rf-bottom p {
    margin: 10px 0;
    font-size: 14px;
  }

  /* 平板 */

  @media (max-width: 900px) {
    #rhyfell-blog-hub .rf-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  /* 手机 */

  @media (max-width: 600px) {
    #rhyfell-blog-hub .rf-grid,
    #rhyfell-blog-hub .rf-split {
      grid-template-columns: minmax(0, 1fr);
    }

    #rhyfell-blog-hub .rf-list {
      padding: 30px 16px 45px;
    }

    #rhyfell-blog-hub .rf-heading h2 {
      font-size: 29px;
    }

    #rhyfell-blog-hub .rf-hero {
      padding: 32px 18px;
    }

    #rhyfell-blog-hub .rf-body {
      padding: 28px 18px 0;
    }

    #rhyfell-blog-hub .rf-article-common {
      padding: 0 18px 42px;
    }

    #rhyfell-blog-hub .rf-section h3 {
      font-size: 24px;
    }

    #rhyfell-blog-hub .rf-panel,
    #rhyfell-blog-hub .rf-cta {
      padding: 22px;
    }

    #rhyfell-blog-hub .rf-cta h3 {
      font-size: 25px;
    }

    #rhyfell-blog-hub .rf-lead {
      font-size: 18px;
    }
  }