.readme-container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
    .readme-section { padding: 64px 0; }
    .readme-section-tag {
      font-size: 12px; font-weight: 600; text-transform: uppercase;
      letter-spacing: 1.5px; color: var(--red-faded);
      margin-bottom: 8px; display: block;
    }
    .readme-section-title {
      font-family: 'Playfair Display', serif;
      font-size: clamp(1.75rem, 3vw, 2.25rem);
      font-weight: 600; margin-bottom: 12px;
      color: var(--ink);
    }
    .readme-section-sub {
      font-size: 15px; color: var(--ink-faded);
      margin-bottom: 32px; max-width: 600px;
    }

    .readme-lang-fab {
      position: fixed; top: 14px; right: 80px; z-index: 1001;
      background: var(--paper);
      border: 1px solid var(--divider);
      color: var(--ink-light);
      border-radius: 9999px;
      padding: 8px 14px; font-size: 13px;
      cursor: pointer; backdrop-filter: blur(8px);
      transition: background 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
    }
    .readme-lang-fab:hover {
      background: var(--paper);
      border-color: var(--divider);
    }

    .readme-hero {
      padding-top: 120px; padding-bottom: 80px;
      text-align: center; position: relative;
    }
    .readme-hero-badge {
      display: inline-block; font-size: 13px;
      color: var(--red-faded); margin-bottom: 24px;
    }
    .readme-hero-title {
      font-family: 'Playfair Display', serif;
      font-size: clamp(2.5rem, 6vw, 4rem);
      font-weight: 700; letter-spacing: 0.03em;
      margin-bottom: 16px; color: var(--ink);
    }
    .readme-hero-sub {
      font-size: clamp(1rem, 2vw, 1.2rem);
      color: var(--ink-light);
      margin-bottom: 40px; max-width: 480px;
      margin-left: auto; margin-right: auto;
    }
    .readme-hero-cta {
      display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
    }
    .btn-readme-primary {
      display: inline-flex; align-items: center; gap: 8px;
      background: linear-gradient(135deg, var(--red-faded), var(--red-faded));
      color: #FFFFFF; border-radius: 9999px;
      padding: 14px 32px; font-size: 15px; font-weight: 500;
      text-decoration: none; transition: all 0.4s var(--ease-out);
    }
    .btn-readme-primary:hover {
      transform: translateY(-2px);
      box-shadow: none;
    }
    .btn-readme-ghost {
      display: inline-flex; align-items: center; gap: 8px;
      background: transparent; color: var(--ink);
      border: 1px solid var(--divider);
      border-radius: 9999px;
      padding: 14px 32px; font-size: 15px; font-weight: 500;
      text-decoration: none; transition: all 0.4s var(--ease-out);
    }
    .btn-readme-ghost:hover { background: var(--paper); }

    .readme-projects-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .readme-project-card {
      background: var(--paper);
      border: 1px solid var(--divider-light);
      border-radius: 14px; overflow: hidden;
      transition: border-color 0.3s, transform 0.3s var(--ease-out);
    }
    .readme-project-card:hover {
      border-color: var(--divider);
      transform: translateY(-3px);
    }
    .readme-project-screenshot {
      width: 100%; aspect-ratio: 16 / 9;
      display: flex; align-items: center; justify-content: center;
      font-size: 48px; position: relative; overflow: hidden;
    }
    .readme-project-screenshot::after {
      content: attr(data-hint);
      position: absolute; bottom: 12px;
      font-size: 12px; color: var(--ink-faded);
      font-family: 'Inter', sans-serif;
    }
    .readme-project-body { padding: 20px 24px 24px; }
    .readme-project-name {
      font-family: 'Playfair Display', serif;
      font-size: 1.2rem; font-weight: 600;
      margin-bottom: 4px; color: var(--ink);
    }
    .readme-project-desc {
      font-size: 14px; color: var(--ink-faded);
      line-height: 1.6; margin-bottom: 16px;
    }
    .readme-project-tags {
      display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px;
    }
    .readme-project-tags span {
      font-size: 11px; background: var(--paper);
      padding: 4px 10px; border-radius: 9999px;
      border: 1px solid var(--divider-light);
      color: var(--ink-faded);
    }
    .readme-project-links {
      display: flex; gap: 12px; flex-wrap: wrap;
    }
    .readme-project-links a {
      font-size: 13px; font-weight: 500; text-decoration: none;
      color: var(--red-faded); transition: opacity 0.2s;
    }
    .readme-project-links a:hover { opacity: 0.8; }

    .readme-about-text { max-width: 700px; }
    .readme-about-text p {
      font-size: 16px; line-height: 1.8; color: var(--ink);
      margin-bottom: 12px;
    }

    .readme-contact-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    }
    .readme-contact-item {
      background: var(--paper);
      border: 1px solid var(--divider-light);
      border-radius: 14px; padding: 32px 24px; text-align: center;
      text-decoration: none; color: var(--ink);
      transition: border-color 0.3s, background 0.3s;
      cursor: pointer; font-family: inherit;
    }
    .readme-contact-item:hover {
      border-color: var(--divider);
      background: var(--paper);
    }
    .readme-contact-icon { font-size: 28px; margin-bottom: 12px; }
    .readme-contact-label { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
    .readme-contact-hint { font-size: 12px; color: var(--ink-faded); }

    /* Round 3 — Latest posts (Angle 1) */
    .readme-posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .readme-post-card {
      background: var(--paper); border: 1px solid var(--divider-light);
      border-radius: 12px; padding: 18px 20px; text-decoration: none;
      color: var(--ink);
      transition: border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
      display: flex; flex-direction: column; gap: 8px;
    }
    .readme-post-card:hover { border-color: var(--divider); transform: translateY(-2px); }
    .readme-post-meta { font-size: 12px; color: var(--ink-faded); }
    .readme-post-title { font-size: 14px; font-weight: 500; line-height: 1.5; }

    /* Round 3 — Role router (Angle 2) */
    .readme-role-router {
      display: flex; gap: 10px; flex-wrap: wrap;
      justify-content: center; align-items: center;
      margin-top: 28px; font-size: 13px;
      color: var(--ink-faded);
    }
    .readme-role-prompt { font-weight: 500; }
    .readme-role-pill {
      display: inline-flex; align-items: center; height: 28px;
      padding: 0 14px; border-radius: 9999px;
      background: var(--paper);
      border: 1px solid var(--divider-light);
      color: var(--ink-light); text-decoration: none;
      transition: border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
    }
    .readme-role-pill:hover {
      border-color: var(--red-faded);
      color: var(--ink);
    }

    /* Round 3 — Sticky CTA bar (Angle 3) */
    .readme-sticky-cta {
      position: fixed; left: 50%; bottom: 24px;
      transform: translate(-50%, 80px);
      display: flex; gap: 10px; align-items: center;
      background: var(--paper);
      border: 1px solid var(--divider);
      border-radius: 9999px; padding: 10px 16px;
      box-shadow: none; backdrop-filter: blur(12px);
      opacity: 0; pointer-events: none; z-index: 998;
      transition: transform 0.35s var(--ease-out), opacity 0.3s var(--ease-out);
    }
    .readme-sticky-cta.visible {
      transform: translate(-50%, 0);
      opacity: 1; pointer-events: auto;
    }
    .readme-sticky-text { font-size: 13px; color: var(--ink-light); }
    .readme-sticky-btn {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 8px 16px; border-radius: 9999px;
      font-size: 13px; cursor: pointer; text-decoration: none;
      background: transparent; border: 1px solid var(--divider);
      color: var(--ink); font-family: inherit;
      transition: transform 0.2s var(--ease-out);
    }
    .readme-sticky-primary {
      background: var(--red-faded); border-color: var(--red-faded);
      color: #FFFFFF;
    }
    .readme-sticky-btn:hover { transform: translateY(-1px); }

    /* Round 2 — Trust anchors (A) */
    .readme-status-pill {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--paper);
      border: 1px solid var(--divider-light);
      padding: 6px 14px; border-radius: 9999px;
      font-size: 12px; color: var(--ink-light);
      margin-bottom: 16px;
    }
    .status-dot {
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--red-faded);
      box-shadow: 0 0 0 0 var(--red-faded);
      animation: status-pulse 2s infinite;
    }
    @keyframes status-pulse {
      0%   { box-shadow: 0 0 0 0 rgba(42, 157, 143, 0.5); }
      70%  { box-shadow: 0 0 0 8px rgba(42, 157, 143, 0); }
      100% { box-shadow: 0 0 0 0 rgba(42, 157, 143, 0); }
    }
    .readme-trust-row {
      display: inline-flex; gap: 10px; align-items: center;
      margin-bottom: 24px; flex-wrap: wrap; justify-content: center;
    }
    .readme-trust-row a { line-height: 0; }
    .readme-trust-pill {
      display: inline-flex; align-items: center; height: 20px;
      padding: 0 10px; font-size: 12px; line-height: 20px;
      background: var(--paper);
      border: 1px solid var(--divider-light);
      border-radius: 9999px;
      color: var(--ink-light);
      text-decoration: none;
      transition: border-color 0.25s var(--ease-out);
    }
    .readme-trust-pill:hover { border-color: var(--divider); }

    /* Round 2 — WeChat lightbox (C) */
    .wechat-lightbox {
      position: fixed; inset: 0; z-index: 9999;
      background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(8px);
      display: flex; align-items: center; justify-content: center;
      animation: wechat-fade-in 0.2s var(--ease-out);
    }
    .wechat-lightbox[hidden] { display: none; }
    @keyframes wechat-fade-in {
      from { opacity: 0; }
      to   { opacity: 1; }
    }
    .wechat-lightbox-content {
      background: var(--paper);
      border: 1px solid var(--divider);
      border-radius: 4px;
      padding: 32px; text-align: center;
      max-width: 320px; position: relative;
      box-shadow: none;
    }
    .wechat-lightbox-close {
      position: absolute; top: 8px; right: 8px;
      background: transparent; border: none;
      color: var(--ink-light);
      font-size: 18px; cursor: pointer;
      width: 32px; height: 32px; line-height: 32px;
      border-radius: 2px;
    }
    .wechat-lightbox-close:hover { background: var(--paper); }
    .wechat-lightbox img {
      display: block; margin: 0 auto 12px;
      border-radius: 3px;
      max-width: 100%; height: auto;
    }
    .wechat-lightbox-content p {
      color: var(--ink-light);
      font-size: 13px; margin: 0;
    }

    @media (max-width: 768px) {
      .readme-projects-grid { grid-template-columns: 1fr; }
      .readme-contact-grid { grid-template-columns: 1fr; }
      .readme-posts-grid { grid-template-columns: 1fr; }
      .readme-hero { padding-top: 100px; padding-bottom: 60px; }
      .readme-section { padding: 40px 0; }
      .readme-lang-fab { right: 70px; }
      .readme-sticky-text { display: none; }
      .readme-sticky-cta { padding: 8px 12px; gap: 8px; }
    }

    /* Round 3 — Print stylesheet (Angle 4) */
    @media print {
      #yardon-nav, .nav-overlay-bg, #water-canvas, .preloader,
      .skip-link, .readme-lang-fab, .footer-filing,
      .readme-trust-row, .readme-status-pill, .readme-hero-cta,
      .readme-role-router, .readme-sticky-cta, .wechat-lightbox,
      .readme-project-screenshot { display: none !important; }

      body, html { background: #fff !important; color: #000 !important; }
      .readme-hero, .readme-section { padding: 12pt 0 !important; }

      .readme-hero-title { font-size: 24pt !important; color: #000 !important; margin: 0 !important; }
      .readme-hero-badge, .readme-hero-sub { color: #333 !important; font-size: 11pt !important; }

      .readme-section-tag { color: #555 !important; }
      .readme-section-title { font-size: 16pt !important; color: #000 !important; }

      .readme-projects-grid { display: block !important; }
      .readme-project-card {
        border: none !important; border-bottom: 1px solid #ccc !important;
        border-radius: 0 !important; padding: 8pt 0 !important;
        break-inside: avoid; background: transparent !important;
      }
      .readme-project-name { color: #000 !important; font-size: 12pt !important; }
      .readme-project-desc { color: #333 !important; font-size: 10pt !important; }
      .readme-project-tags span {
        background: transparent !important; border: 1pt solid #999 !important;
        color: #333 !important; font-size: 9pt !important;
      }
      .readme-project-links a { color: #000 !important; }
      .readme-project-links a::after {
        content: " (" attr(href) ")"; font-size: 8pt; color: #666;
        word-break: break-all;
      }

      .readme-contact-grid { grid-template-columns: 1fr 1fr !important; gap: 8pt !important; }
      .readme-contact-item {
        border: 1pt solid #999 !important; background: transparent !important;
        color: #000 !important; padding: 8pt !important;
      }
      .readme-contact-label, .readme-contact-hint { color: #000 !important; }
      #email-hint::before { content: "📧 "; }

      .footer { background: #fff !important; padding: 8pt 0 !important; }
      .footer-grid > div:not(:first-child) { display: none !important; }
      .footer-desc { color: #333 !important; }

      .readme-section { page-break-inside: avoid; }
      a { color: #000 !important; text-decoration: none !important; }
    }