--bg: #fff8f0;
        --card: #ffffff;
        --accent: #e8734a;
        --accent-light: #fff0eb;
        --text: #2d2a26;
        --text-light: #6b6560;
        --border: #f0e6dc;
        --timeline: #e8734a;
        --tag-blue: #e3f0ff;
        --tag-blue-text: #2b6cb0;
        --tag-green: #e6ffed;
        --tag-green-text: #276749;
        --tag-yellow: #fffbe6;
        --tag-yellow-text: #975a16;
        --tag-red: #fff5f5;
        --tag-red-text: #c53030;
        --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
      }

      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      /* Progress bar */
      .progress-bar {
        position: fixed;
        top: 0;
        left: 0;
        width: 0%;
        height: 4px;
        background: linear-gradient(90deg, #e8734a, #f4a261);
        z-index: 9999;
        transition: width 0.1s linear;
        border-radius: 0 2px 2px 0;
        box-shadow: 0 0 8px rgba(232, 115, 74, 0.5);
      }

      body {
        font-family: 'Noto Sans TC', sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.8;
        font-size: 16px;
      }

      /* Header */
      .hero {
        background: linear-gradient(135deg, #e8734a 0%, #f4a261 100%);
        color: white;
        padding: 80px 20px 60px;
        text-align: center;
        position: relative;
        overflow: hidden;
      }
      .hero::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        right: 0;
        height: 40px;
        background: var(--bg);
        border-radius: 50% 50% 0 0;
      }
      .hero h1 {
        font-size: 2.2rem;
        font-weight: 700;
        margin-bottom: 12px;
        letter-spacing: 1px;
      }
      .hero p {
        font-size: 1.05rem;
        opacity: 0.92;
        max-width: 600px;
        margin: 0 auto;
        font-weight: 300;
      }

      /* Nav */
      .nav-bar {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255, 248, 240, 0.92);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
        padding: 0 20px;
        display: flex;
        gap: 4px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }
      .nav-bar::-webkit-scrollbar {
        height: 0;
      }
      .nav-bar a {
        padding: 12px 16px;
        text-decoration: none;
        color: var(--text-light);
        font-size: 0.88rem;
        white-space: nowrap;
        border-bottom: 2px solid transparent;
        transition: all 0.2s;
        font-weight: 500;
      }
      .nav-bar a:hover,
      .nav-bar a.active {
        color: var(--accent);
        border-bottom-color: var(--accent);
      }

      /* Container */
      .container {
        max-width: 820px;
        margin: 0 auto;
        padding: 40px 20px 80px;
      }

      /* Intro card */
      .intro-card {
        background: var(--card);
        border-radius: 16px;
        padding: 32px;
        box-shadow: var(--shadow);
        margin-bottom: 48px;
        border-left: 4px solid var(--accent);
      }
      .intro-card h2 {
        font-size: 1.3rem;
        margin-bottom: 16px;
        color: var(--accent);
      }
      .intro-card p {
        color: var(--text-light);
        margin-bottom: 8px;
      }
      .intro-card .tag {
        display: inline-block;
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 0.82rem;
        font-weight: 500;
        margin: 4px 4px 4px 0;
      }
      .tag-blue {
        background: var(--tag-blue);
        color: var(--tag-blue-text);
      }
      .tag-green {
        background: var(--tag-green);
        color: var(--tag-green-text);
      }
      .tag-yellow {
        background: var(--tag-yellow);
        color: var(--tag-yellow-text);
      }
      .tag-red {
        background: var(--tag-red);
        color: var(--tag-red-text);
      }

      /* Section titles */
      .section-title {
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--accent);
        margin: 48px 0 24px;
        padding-bottom: 8px;
        border-bottom: 2px solid var(--border);
        scroll-margin-top: 60px;
      }

      /* Timeline */
      .timeline {
        position: relative;
        padding-left: 28px;
      }
      .timeline::before {
        content: '';
        position: absolute;
        left: 6px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: var(--border);
      }

      .entry {
        position: relative;
        margin-bottom: 28px;
        background: var(--card);
        border-radius: 12px;
        padding: 24px;
        box-shadow: var(--shadow);
        transition: transform 0.2s;
      }
      .entry:hover {
        transform: translateY(-1px);
      }
      .entry::before {
        content: '';
        position: absolute;
        left: -25px;
        top: 28px;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--accent);
        border: 2px solid var(--bg);
      }
      .entry.highlight::before {
        width: 14px;
        height: 14px;
        left: -27px;
        top: 26px;
        box-shadow: 0 0 0 4px var(--accent-light);
      }

      .entry-date {
        font-size: 0.88rem;
        font-weight: 700;
        color: var(--accent);
        margin-bottom: 8px;
        letter-spacing: 0.5px;
      }
      .entry-content p {
        margin-bottom: 8px;
        color: var(--text);
      }
      .entry-content p:last-child {
        margin-bottom: 0;
      }

      .redacted {
        background: #333;
        color: #333;
        padding: 0 6px;
        border-radius: 3px;
        cursor: default;
        user-select: none;
        font-size: 0.85rem;
      }
      .redacted:hover {
        color: #999;
      }

      .quote {
        border-left: 3px solid var(--accent);
        padding: 12px 16px;
        margin: 12px 0;
        background: var(--accent-light);
        border-radius: 0 8px 8px 0;
        font-style: italic;
        color: var(--text-light);
      }

      .dialogue {
        background: #f7f5f2;
        padding: 16px;
        border-radius: 10px;
        margin: 12px 0;
      }
      .dialogue p {
        margin-bottom: 6px !important;
      }
      .dialogue strong {
        color: var(--accent);
      }

      /* Contract section */
      .contract {
        background: var(--card);
        border: 2px solid var(--accent);
        border-radius: 12px;
        padding: 24px;
        margin: 24px 0;
      }
      .contract h3 {
        color: var(--accent);
        margin-bottom: 12px;
      }
      .contract ol {
        padding-left: 20px;
      }
      .contract ol li {
        margin-bottom: 10px;
        color: var(--text-light);
      }

      /* Footer */
      .footer {
        text-align: center;
        padding: 40px 20px;
        color: var(--text-light);
        font-size: 0.85rem;
        border-top: 1px solid var(--border);
        margin-top: 60px;
      }

      /* Back to top */
      .back-top {
        position: fixed;
        bottom: 24px;
        right: 24px;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--accent);
        color: white;
        border: none;
        cursor: pointer;
        font-size: 1.2rem;
        box-shadow: 0 4px 12px rgba(232, 115, 74, 0.4);
        opacity: 0;
        transition: opacity 0.3s;
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .back-top.show {
        opacity: 1;
      }

      /* Collapsible section */
      .intro-collapsible {
        margin-bottom: 48px;
        scroll-margin-top: 60px;
      }
      .intro-collapsible summary {
        cursor: pointer;
        list-style: none;
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 20px 32px;
        background: var(--card);
        border-radius: 16px 16px 0 0;
        border-left: 4px solid var(--accent);
        box-shadow: var(--shadow);
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--accent);
        user-select: none;
        transition: border-radius 0.2s;
      }
      .intro-collapsible[open] summary {
        border-radius: 16px 16px 0 0;
      }
      .intro-collapsible:not([open]) summary {
        border-radius: 16px;
      }
      .intro-collapsible summary::-webkit-details-marker {
        display: none;
      }
      .intro-collapsible summary::before {
        content: '▶';
        font-size: 0.75rem;
        transition: transform 0.2s;
        display: inline-block;
      }
      .intro-collapsible[open] summary::before {
        transform: rotate(90deg);
      }
      .intro-collapsible .intro-inner {
        background: var(--card);
        border-radius: 0 0 16px 16px;
        padding: 24px 32px 32px;
        border-left: 4px solid var(--accent);
        box-shadow: var(--shadow);
        margin-top: -1px;
      }
      .intro-collapsible .intro-inner p {
        color: var(--text-light);
        margin-bottom: 8px;
      }
      .intro-source-note {
        display: inline-block;
        background: var(--tag-red);
        color: var(--tag-red-text);
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.82rem;
        font-weight: 500;
        margin-bottom: 16px;
      }

      /* Profile cards */
      .profile-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 24px;
      }
      .profile-card {
        background: var(--card);
        border-radius: 14px;
        padding: 24px;
        box-shadow: var(--shadow);
        border-top: 4px solid var(--accent);
        transition: transform 0.2s;
      }
      .profile-card:hover {
        transform: translateY(-2px);
      }
      .profile-card .profile-header {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 14px;
      }
      .profile-card .profile-icon {
        font-size: 1.6rem;
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--accent-light);
        border-radius: 50%;
      }
      .profile-card .profile-name {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--accent);
      }
      .profile-card .profile-role {
        font-size: 0.82rem;
        color: var(--text-light);
      }
      .profile-card .profile-body p {
        color: var(--text);
        margin-bottom: 8px;
      }
      .profile-card .profile-body p:last-child {
        margin-bottom: 0;
      }
      .profile-note {
        background: #f7f5f2;
        padding: 12px 16px;
        border-radius: 8px;
        margin-top: 10px;
        font-size: 0.92rem;
        color: var(--text-light);
      }
      .profile-timeline-note {
        display: inline-block;
        padding: 3px 10px;
        border-radius: 16px;
        font-size: 0.78rem;
        font-weight: 500;
        background: var(--tag-yellow);
        color: var(--tag-yellow-text);
        margin-top: 6px;
      }

      /* Analysis section */
      .analysis-section {
        margin-top: 60px;
        padding-top: 48px;
        border-top: 3px dashed var(--border);
        scroll-margin-top: 60px;
      }
      .analysis-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--tag-blue);
        color: var(--tag-blue-text);
        padding: 6px 14px;
        border-radius: 20px;
        font-size: 0.82rem;
        font-weight: 500;
        margin-bottom: 20px;
      }
      .analysis-disclaimer {
        background: var(--tag-yellow);
        color: var(--tag-yellow-text);
        padding: 14px 20px;
        border-radius: 10px;
        font-size: 0.85rem;
        margin-bottom: 28px;
        line-height: 1.7;
      }
      .analysis-card {
        background: var(--card);
        border-radius: 14px;
        padding: 28px;
        box-shadow: var(--shadow);
        margin-bottom: 24px;
        border-left: 4px solid #4299e1;
      }
      .analysis-card h3 {
        font-size: 1.1rem;
        font-weight: 700;
        color: #2b6cb0;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 8px;
      }
      .analysis-card p {
        color: var(--text);
        margin-bottom: 10px;
      }
      .analysis-table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
        border-radius: 10px;
        overflow: hidden;
        margin: 14px 0;
        font-size: 0.92rem;
      }
      .analysis-table thead th {
        background: #ebf4ff;
        color: #2b6cb0;
        padding: 12px 16px;
        text-align: left;
        font-weight: 600;
        border-bottom: 2px solid #bee3f8;
      }
      .analysis-table tbody td {
        padding: 11px 16px;
        border-bottom: 1px solid var(--border);
        color: var(--text);
        vertical-align: top;
      }
      .analysis-table tbody tr:last-child td {
        border-bottom: none;
      }
      .analysis-table tbody tr:nth-child(even) {
        background: #f7fafc;
      }
      .analysis-table tbody tr:hover {
        background: #ebf8ff;
      }
      .cycle-flow {
        display: flex;
        flex-wrap: wrap;
        gap: 0;
        align-items: center;
        justify-content: center;
        margin: 20px 0;
      }
      .cycle-step {
        background: var(--card);
        border: 2px solid #bee3f8;
        border-radius: 12px;
        padding: 14px 18px;
        text-align: center;
        min-width: 130px;
        max-width: 180px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
      }
      .cycle-step .step-num {
        font-size: 0.72rem;
        font-weight: 700;
        color: #4299e1;
        text-transform: uppercase;
        margin-bottom: 4px;
      }
      .cycle-step .step-title {
        font-weight: 600;
        color: #2d3748;
        font-size: 0.9rem;
        margin-bottom: 3px;
      }
      .cycle-step .step-desc {
        font-size: 0.78rem;
        color: var(--text-light);
      }
      .cycle-arrow {
        font-size: 1.3rem;
        color: #a0aec0;
        padding: 0 4px;
      }
      .prognosis-split {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        margin-top: 14px;
      }
      .prognosis-box {
        border-radius: 10px;
        padding: 18px;
        font-size: 0.88rem;
      }
      .prognosis-box.negative {
        background: var(--tag-red);
        border: 1px solid #fed7d7;
      }
      .prognosis-box.negative h4 {
        color: var(--tag-red-text);
        margin-bottom: 8px;
        font-size: 0.92rem;
      }
      .prognosis-box.positive {
        background: var(--tag-green);
        border: 1px solid #c6f6d5;
      }
      .prognosis-box.positive h4 {
        color: var(--tag-green-text);
        margin-bottom: 8px;
        font-size: 0.92rem;
      }
      .prognosis-box ul {
        padding-left: 18px;
        color: var(--text);
      }
      .prognosis-box ul li {
        margin-bottom: 5px;
      }
      .analysis-conclusion {
        background: linear-gradient(135deg, #ebf4ff 0%, #f0fff4 100%);
        border-radius: 14px;
        padding: 28px;
        margin-top: 24px;
        border: 1px solid #bee3f8;
      }
      .analysis-conclusion h3 {
        color: #2b6cb0;
        margin-bottom: 12px;
        font-size: 1.1rem;
      }
      .analysis-conclusion p {
        color: var(--text);
        margin-bottom: 10px;
      }
      .analysis-conclusion p:last-child {
        margin-bottom: 0;
      }
      /* Version toggle */
      .version-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 14px;
        margin-bottom: 28px;
        padding: 16px;
        background: var(--card);
        border-radius: 12px;
        box-shadow: var(--shadow);
      }
      .version-toggle-label {
        font-size: 0.88rem;
        font-weight: 600;
        cursor: pointer;
        padding: 8px 18px;
        border-radius: 24px;
        transition: all 0.3s;
        user-select: none;
      }
      .version-toggle-label.neutral {
        color: #2b6cb0;
        background: #ebf4ff;
      }
      .version-toggle-label.savage {
        color: #9b2c2c;
        background: #fff5f5;
      }
      .version-toggle-label.ultimate {
        color: #1a1a2e;
        background: #e2e8f0;
      }
      .version-toggle-label.active.neutral {
        background: #2b6cb0;
        color: white;
        box-shadow: 0 2px 8px rgba(43, 108, 176, 0.3);
      }
      .version-toggle-label.active.savage {
        background: #c53030;
        color: white;
        box-shadow: 0 2px 8px rgba(197, 48, 48, 0.3);
      }
      .version-toggle-label.active.ultimate {
        background: #1a1a2e;
        color: #f6e05e;
        box-shadow: 0 2px 12px rgba(26, 26, 46, 0.5);
      }
      .analysis-card.savage-card {
        border-left-color: #c53030;
      }
      .analysis-card.savage-card h3 {
        color: #9b2c2c;
      }
      .analysis-table.savage-table thead th {
        background: #fff5f5;
        color: #9b2c2c;
        border-bottom-color: #fed7d7;
      }
      .analysis-table.savage-table tbody tr:nth-child(even) {
        background: #fffafa;
      }
      .analysis-table.savage-table tbody tr:hover {
        background: #fff5f5;
      }
      .savage-conclusion {
        background: linear-gradient(135deg, #fff5f5 0%, #fffaf0 100%);
        border-radius: 14px;
        padding: 28px;
        margin-top: 24px;
        border: 1px solid #fed7d7;
      }
      .savage-conclusion h3 {
        color: #9b2c2c;
        margin-bottom: 12px;
        font-size: 1.1rem;
      }
      .savage-conclusion p {
        color: var(--text);
        margin-bottom: 10px;
      }
      .savage-conclusion p:last-child {
        margin-bottom: 0;
      }
      .savage-highlight {
        background: #fff5f5;
        border-left: 3px solid #c53030;
        padding: 12px 16px;
        margin: 12px 0;
        border-radius: 0 8px 8px 0;
        color: #9b2c2c;
        font-weight: 500;
      }
      /* Ultimate savage version */
      .analysis-card.ultimate-card {
        border-left-color: #1a1a2e;
        background: #0f0f1a;
        color: #e2e8f0;
      }
      .analysis-card.ultimate-card h3 {
        color: #f6e05e;
      }
      .analysis-card.ultimate-card p {
        color: #cbd5e0;
      }
      .analysis-table.ultimate-table {
        border: 1px solid #2d3748;
      }
      .analysis-table.ultimate-table thead th {
        background: #1a1a2e;
        color: #f6e05e;
        border-bottom-color: #2d3748;
      }
      .analysis-table.ultimate-table tbody td {
        background: #0f0f1a;
        color: #e2e8f0;
        border-bottom-color: #2d3748;
      }
      .analysis-table.ultimate-table tbody tr:nth-child(even) td {
        background: #1a1a2e;
      }
      .analysis-table.ultimate-table tbody tr:hover td {
        background: #2d3748;
      }
      .ultimate-conclusion {
        background: linear-gradient(135deg, #1a1a2e 0%, #2d1f3d 100%);
        border-radius: 14px;
        padding: 28px;
        margin-top: 24px;
        border: 1px solid #4a3860;
      }
      .ultimate-conclusion h3 {
        color: #f6e05e;
        margin-bottom: 12px;
        font-size: 1.1rem;
      }
      .ultimate-conclusion p {
        color: #e2e8f0;
        margin-bottom: 10px;
      }
      .ultimate-conclusion p:last-child {
        margin-bottom: 0;
      }
      .ultimate-highlight {
        background: #1a1a2e;
        border-left: 3px solid #f6e05e;
        padding: 12px 16px;
        margin: 12px 0;
        border-radius: 0 8px 8px 0;
        color: #f6e05e;
        font-weight: 500;
      }
      .ultimate-highlight strong {
        color: #fc8181;
      }

      @media (max-width: 640px) {
        .prognosis-split {
          grid-template-columns: 1fr;
        }
        .cycle-flow {
          flex-direction: column;
        }
        .cycle-arrow {
          transform: rotate(90deg);
        }
        .analysis-card {
          padding: 20px;
        }
        .version-toggle {
          flex-wrap: wrap;
        }
      }

      /* RWD */
      @media (max-width: 640px) {
        .hero {
          padding: 60px 16px 48px;
        }
        .hero h1 {
          font-size: 1.6rem;
        }
        .hero p {
          font-size: 0.95rem;
        }
        .container {
          padding: 24px 14px 60px;
        }
        .intro-card {
          padding: 20px;
        }
        .entry {
          padding: 18px;
        }
        .section-title {
          font-size: 1.2rem;
        }
        .timeline {
          padding-left: 22px;
        }
        .entry::before {
          left: -19px;
        }
        .entry.highlight::before {
          left: -21px;
        }
      }