:root {
      --bg: #f8fafc;
      --panel: #ffffff;
      --text: #334155;
      --muted: #64748b;
      --line: #e2e8f0;
      --primary: #f59e0b;
      --primary-hover: #d97706;
      --primary-soft: rgba(245, 158, 11, 0.08);
      --primary-border: rgba(245, 158, 11, 0.14);
      --shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
    }

    /* 【新增】任务系统样式 */
    .task-card {
        background: linear-gradient(135deg, #fff 0%, #fdfcfb 100%);
        border: 2px solid #fb7185;
        border-radius: 24px;
        padding: 24px;
        margin-bottom: 24px;
        box-shadow: 0 15px 35px rgba(251, 113, 133, 0.1);
        position: relative;
        overflow: hidden;
    }
    body[data-theme="dark"] .task-card {
        background: #1e293b;
        border-color: #e11d48;
    }
    .task-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 16px;
    }
    .task-badge {
        padding: 4px 12px;
        border-radius: 10px;
        font-size: 12px;
        font-weight: 800;
        text-transform: uppercase;
        background: #fb7185;
        color: #fff;
    }
    .task-reward {
        font-size: 18px;
        font-weight: 900;
        color: #e11d48;
    }
    .task-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px;
        background: rgba(251, 113, 133, 0.05);
        border-radius: 16px;
        margin-bottom: 12px;
        border: 1px solid rgba(251, 113, 133, 0.1);
        transition: all 0.3s;
    }
    .task-item:hover {
        transform: translateX(5px);
        background: rgba(251, 113, 133, 0.08);
    }
    .task-info { flex: 1; }
    .task-title { font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
    .task-desc { font-size: 13px; color: var(--muted); }
    .btn-task {
        padding: 8px 16px;
        border-radius: 12px;
        font-size: 13px;
        font-weight: 800;
        border: none;
        cursor: pointer;
        transition: all 0.3s;
    }
    .btn-task-accept { background: #fb7185; color: #fff; }
    .btn-task-accept:hover { background: #e11d48; transform: translateY(-2px); }
    .btn-task-locked { background: #e2e8f0; color: #94a3b8; cursor: not-allowed; }
    .btn-task-submit { background: #1e293b; color: #fff; }

    /* 任务提交弹窗 */
    .task-modal {
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.6);
        backdrop-filter: blur(8px);
        display: none;
        align-items: center;
        justify-content: center;
        z-index: 2000;
        padding: 20px;
    }
    .task-modal.show { display: flex; }
    .task-modal-content {
        background: #fff;
        width: 100%;
        max-width: 500px;
        border-radius: 28px;
        padding: 32px;
        box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    }
    body[data-theme="dark"] .task-modal-content { background: #1e293b; color: #f1f5f9; }
    .task-modal-title { font-size: 20px; font-weight: 900; margin-bottom: 20px; }
    .task-textarea {
        width: 100%;
        height: 150px;
        padding: 16px;
        border-radius: 16px;
        border: 1px solid var(--line);
        background: var(--bg);
        color: var(--text);
        font-family: inherit;
        resize: none;
        margin-bottom: 20px;
    }
    .task-modal-actions { display: flex; gap: 12px; }
    .btn-modal { flex: 1; padding: 14px; border-radius: 16px; font-weight: 800; border: none; cursor: pointer; }
    .btn-modal-cancel { background: var(--bg); color: var(--text); }
    .btn-modal-submit { background: #1e293b; color: #fff; }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: var(--text);
      background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
      line-height: 1.5;
    }
    a { color: inherit; text-decoration: none; }

    .page {
      width: min(1400px, calc(100% - 24px));
      margin: 32px auto 60px;
    }

    /* Hero 头部区块重构：三栏式布局，优化宽度分配与高度 */
    .hero-card {
      background: #fff;
      border-radius: 32px;
      padding: 32px 40px;
      display: grid;
      grid-template-columns: auto 1fr 280px; /* 三栏：图标 | 信息 | 操作 */
      align-items: center;
      gap: 40px;
      margin-bottom: 32px;
      border: 1px solid var(--line);
      border-left: 6px solid #f59e0b;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.04);
      position: relative;
      overflow: hidden;
    }
    
    @media (max-width: 1100px) {
      .hero-card {
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
        gap: 24px;
      }
      .hero-actions-sidebar {
        grid-column: 1 / -1;
        flex-direction: row !important;
        width: 100% !important;
        justify-content: space-between;
        padding: 16px !important;
        margin-top: 12px;
      }
    }

    /* 艺术修饰：左上角和右下角的几何装饰 */
    .hero-card::before {
      content: "";
      position: absolute;
      top: -20px; left: -20px;
      width: 100px; height: 100px;
      background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), transparent);
      border-radius: 24px;
      transform: rotate(15deg);
      z-index: 0;
    }
    .hero-card::after {
      content: "";
      position: absolute;
      bottom: -40px; right: -40px;
      width: 200px; height: 200px;
      background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
      z-index: 0;
    }

    .hero-icon-card {
      flex: 0 0 140px;
      width: 140px;
      height: 140px;
      border-radius: 28px;
      background: #fff;
      padding: 10px;
      border: 1px solid var(--line);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.03);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1;
      position: relative;
    }
    /* 图标外围的光晕效果 */
    .hero-icon-card::after {
      content: "";
      position: absolute;
      inset: -2px;
      border-radius: 30px;
      background: linear-gradient(135deg, #f59e0b, transparent, #d97706);
      opacity: 0.1;
      z-index: -1;
    }

    .detail-hero-icon {
      width: 100%;
      height: 100%;
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }
    .detail-hero-icon img { width: 100%; height: 100%; object-fit: contain; }
    .detail-hero-icon-text { font-size: 40px; font-weight: 900; color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.1); }
    .detail-hero-icon-svg svg { width: 70px; height: 70px; }

    .hero-main {
      display: flex;
      flex-direction: column;
      justify-content: center;
      z-index: 1;
      min-width: 0;
    }
    .hero-top-nav {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .hero-main h1 {
      margin: 0;
      font-size: 32px;
      font-weight: 900;
      color: #0f172a;
      letter-spacing: -0.02em;
      line-height: 1.2;
    }
    .hero-desc {
      margin: 12px 0 0;
      color: #64748b;
      font-size: 15px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }
    
    /* 综合评分样式：根据分数段自动切换背景色 */
    .rating-badge {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: var(--rating-bg, linear-gradient(135deg, #f59e0b, #fbbf24));
      color: #fff;
      padding: 6px 12px;
      border-radius: 12px;
      box-shadow: 0 8px 20px rgba(245, 158, 11, 0.2);
      flex-shrink: 0;
    }
    .rating-badge.rating-high { --rating-bg: linear-gradient(135deg, #1e293b, #334155); box-shadow: 0 8px 20px rgba(30, 41, 59, 0.2); }
    .rating-badge.rating-mid { --rating-bg: linear-gradient(135deg, #f59e0b, #fbbf24); box-shadow: 0 8px 20px rgba(245, 158, 11, 0.2); }
    .rating-badge.rating-low { --rating-bg: linear-gradient(135deg, #ef4444, #f87171); box-shadow: 0 8px 20px rgba(239, 68, 68, 0.2); }

    .rating-value {
      font-size: 18px;
      font-weight: 900;
      line-height: 1;
    }
    .rating-label {
      font-size: 8px;
      font-weight: 800;
      text-transform: uppercase;
      opacity: 0.9;
      margin-top: 2px;
    }

    /* 右侧操作栏 */
    .hero-actions-sidebar {
      display: flex;
      flex-direction: column;
      gap: 16px;
      padding-left: 32px;
      border-left: 1px solid var(--line);
      z-index: 1;
    }

    .hero-interaction-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }
    
    .action-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      background: #f8fafc;
      border: 1px solid var(--line);
      cursor: pointer;
      color: #64748b;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      padding: 10px 4px;
      border-radius: 16px;
      flex: 1;
    }
    .action-item:hover {
      background: #fff;
      color: #f59e0b;
      border-color: #f59e0b;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(245, 158, 11, 0.1);
    }
    .action-item.active {
      background: var(--primary-soft);
      color: #f59e0b;
      border-color: #f59e0b;
    }
    .action-icon { font-size: 18px; }
    .action-count { font-size: 13px; font-weight: 800; color: #1e293b; }
    .action-item.active .action-count { color: #f59e0b; }
    .action-label { font-size: 10px; font-weight: 600; opacity: 0.7; }
    
    body[data-theme="dark"] .action-item {
      background: rgba(15, 23, 42, 0.4);
    }
    body[data-theme="dark"] .action-count { color: #f1f5f9; }
    body[data-theme="dark"] .action-item:hover { background: rgba(30, 41, 59, 0.8); }
    body[data-theme="dark"] .action-item.active { background: rgba(245, 158, 11, 0.15); }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 0 12px;
      height: 32px;
      line-height: 1;
      border-radius: 10px;
      background: #f8fafc;
      border: 1px solid var(--line);
      font-size: 12px;
      font-weight: 600;
      color: #475569;
      transition: all 0.3s ease;
    }
    .meta-pill strong {
      color: #94a3b8;
      font-weight: 800;
      text-transform: uppercase;
      font-size: 10px;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #f59e0b, #d97706);
      color: #fff;
      padding: 0 20px;
      height: 48px;
      line-height: 1;
      border-radius: 14px;
      font-weight: 800;
      font-size: 14px;
      box-shadow: 0 10px 25px rgba(245, 158, 11, 0.2);
      transition: all 0.3s ease;
      border: none;
      width: 100%;
    }
    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 30px rgba(245, 158, 11, 0.3);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #fff;
      color: #475569;
      border: 1px solid var(--line);
      padding: 0 24px;
      height: 52px;
      line-height: 1; /* 强制重置行高 */
      border-radius: 16px;
      font-weight: 700;
      font-size: 15px;
      transition: all 0.3s ease;
    }
    .btn-secondary:hover {
      background: #f8fafc;
      border-color: #94a3b8;
    }

    .section-card {
      background: #fff;
      border-radius: 24px;
      padding: 32px;
      border: 1px solid var(--line);
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
    }
    .section-heading {
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--line);
    }
    .section-title {
      margin: 0;
      font-size: 20px;
      font-weight: 800;
      color: #1e293b;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .markdown-body {
      font-size: 16px;
      line-height: 1.8;
      color: #334155;
    }
    .markdown-body h1, .markdown-body h2, .markdown-body h3 {
      color: #1e293b;
      font-weight: 800;
      margin-top: 2em;
      margin-bottom: 1em;
    }
    .markdown-body p { margin-bottom: 1.5em; }
    .markdown-body code {
      background: #f1f5f9;
      padding: 0.2em 0.4em;
      border-radius: 6px;
      font-size: 0.9em;
      color: #0f172a;
    }
    .markdown-body pre {
      background: #0f172a;
      color: #f1f5f9;
      padding: 20px;
      border-radius: 16px;
      overflow-x: auto;
      margin: 1.5em 0;
    }

    .markdown-body pre code {
      padding: 0;
      background: transparent;
      color: inherit;
    }

    .markdown-body blockquote {
      padding: 10px 0 10px 20px;
      border-left: 4px solid #f59e0b;
      background: var(--primary-soft);
      border-radius: 4px 12px 12px 4px;
      color: #475569;
      margin: 1.5em 0;
    }

    .markdown-body a {
      color: #d97706;
      font-weight: 700;
      text-decoration: none;
      border-bottom: 2px solid rgba(245, 158, 11, 0.2);
      transition: all 0.2s ease;
    }
    .markdown-body a:hover {
      background: rgba(245, 158, 11, 0.1);
      border-bottom-color: #f59e0b;
    }

    .markdown-body hr {
      border: 0;
      height: 1px;
      background: linear-gradient(90deg, rgba(30, 41, 59, 0), rgba(30, 41, 59, 0.24), rgba(30, 41, 59, 0));
    }

    .markdown-body table {
      width: 100%;
      border-collapse: collapse;
      overflow: hidden;
      border-radius: 16px;
      border: 1px solid rgba(148, 163, 184, 0.2);
      background: rgba(255, 255, 255, 0.72);
    }

    .markdown-body th,
    .markdown-body td {
      padding: 12px 14px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.16);
      border-right: 1px solid rgba(148, 163, 184, 0.12);
      text-align: left;
      vertical-align: top;
      line-height: 1.7;
    }

    .markdown-body th:last-child,
    .markdown-body td:last-child {
      border-right: 0;
    }

    .markdown-body tbody tr:last-child td {
      border-bottom: 0;
    }

    .markdown-body thead th {
      background: rgba(30, 41, 59, 0.08);
      color: #312e81;
      font-weight: 700;
    }

    .empty-review {
      border-radius: 18px;
      padding: 18px;
      background: var(--primary-softer);
      color: var(--muted);
      line-height: 1.7;
    }

    .info-list {
      display: grid;
      gap: 10px;
    }

    .info-item {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(248, 250, 252, 0.95);
      border: 1px solid var(--line);
    }

    .info-label {
      margin-bottom: 6px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.02em;
    }

    .info-value {
      line-height: 1.8;
      word-break: break-word;
    }

    .related-list {
      display: grid;
      gap: 12px;
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .related-card {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 16px;
      border-radius: 18px;
      background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
      border: 1px solid rgba(148, 163, 184, 0.18);
      box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
      transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
    }
    .related-card:hover {
      transform: translateY(-5px);
      border-color: rgba(30, 41, 59, 0.28);
      box-shadow: 0 20px 34px rgba(15, 23, 42, 0.12);
    }
    .related-icon {
      flex: 0 0 44px;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      color: #111827;
      font-size: 15px;
      font-weight: 800;
      letter-spacing: 0.02em;
      box-shadow: 0 10px 18px rgba(15, 23, 42, 0.12);
    }
    .related-card:hover .related-icon {
      transform: translateY(-2px);
    }
    .related-icon-img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      border-radius: 8px;
    }

    .related-icon-svg,
    .related-icon-svg svg {
      width: 30px;
      height: 30px;
      display: block;
    }

    .related-icon-text {
      position: relative;
    }
    .related-info {
      flex: 1;
      min-width: 0;
      padding-right: 8px;
    }
    .related-title {
      margin: 0 0 6px;
      font-size: 15px;
      font-weight: 700;
      color: #111827;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .related-desc {
      margin: 0;
      color: var(--muted);
      line-height: 1.5;
      font-size: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .related-arrow {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 8px;
      background: var(--primary-softer);
      color: #0f172a;
      font-size: 13px;
      font-weight: 700;
    }
    .section-split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .top-links { margin-left: auto; display: flex; gap: 10px; }
    .top-links a {
      border: 1px solid var(--line);
      background: #fff;
      padding: 8px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
    }

    /* 完整黑夜模式适配 */
    body[data-theme="dark"] {
      --bg: #0b1220;
      --panel: rgba(15, 23, 42, 0.9);
      --panel-strong: rgba(15, 23, 42, 0.94);
      --text: #e2e8f0;
      --muted: #94a3b8;
      --line: rgba(148, 163, 184, 0.18);
      --shadow: 0 16px 36px rgba(2, 6, 23, 0.35);
      background: linear-gradient(135deg, #0b1220 0%, #0f172a 100%);
    }
    body[data-theme="dark"] .unified-top-nav-wrap {
      background: rgba(11, 18, 32, 0.9);
    }
    body[data-theme="dark"] .unified-top-brand,
    body[data-theme="dark"] .unified-top-menu a,
    body[data-theme="dark"] .unified-top-auth a,
    body[data-theme="dark"] .top-links a {
      color: #e2e8f0;
    }
    body[data-theme="dark"] .unified-top-menu a.active {
      color: #fff;
    }
    body[data-theme="dark"] .theme-toggle {
      background: #1e293b;
    }
    body[data-theme="dark"] .theme-toggle::after {
      transform: translateX(21px);
      background: #c7d2fe;
    }
    body[data-theme="dark"] .hero-card,
    body[data-theme="dark"] .section-card,
    body[data-theme="dark"] .related-card,
    body[data-theme="dark"] .hero-icon-card,
    body[data-theme="dark"] .top-links a,
    body[data-theme="dark"] .btn-secondary,
    body[data-theme="dark"] .info-item {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(17, 24, 39, 0.98));
      border-color: rgba(148, 163, 184, 0.14);
    }
    body[data-theme="dark"] .hero-desc,
    body[data-theme="dark"] .related-desc,
    body[data-theme="dark"] .empty-review,
    body[data-theme="dark"] .markdown-body,
    body[data-theme="dark"] .markdown-body blockquote,
    body[data-theme="dark"] .info-value,
    body[data-theme="dark"] .info-label { color: #94a3b8; }
    body[data-theme="dark"] .related-title,
    body[data-theme="dark"] .meta-pill strong,
    body[data-theme="dark"] .markdown-body th,
    body[data-theme="dark"] .markdown-body td,
    body[data-theme="dark"] .section-title,
    body[data-theme="dark"] .hero-main h1,
    body[data-theme="dark"] .related-arrow { color: #f8fafc; }
    body[data-theme="dark"] .meta-pill {
      background: rgba(15, 23, 42, 0.78);
      border-color: rgba(148, 163, 184, 0.14);
      color: #cbd5e1;
    }
    body[data-theme="dark"] .meta-pill:hover,
    body[data-theme="dark"] .tag-pill:hover {
      background: rgba(30, 41, 59, 0.9);
      border-color: var(--primary);
      color: #fff;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }
    body[data-theme="dark"] .empty-review {
      background: rgba(30, 41, 59, 0.06);
    }
    body[data-theme="dark"] .markdown-body a {
      color: #fbbf24;
    }
    body[data-theme="dark"] .markdown-body code {
      background: rgba(245, 158, 11, 0.15);
      color: #fcd34d;
    }
    body[data-theme="dark"] .markdown-body thead th {
      background: rgba(245, 158, 11, 0.1);
      color: #fcd34d;
    }
    body[data-theme="dark"] .markdown-body th,
    body[data-theme="dark"] .markdown-body td {
      border-bottom-color: rgba(148, 163, 184, 0.14);
      border-right-color: rgba(148, 163, 184, 0.1);
    }
    body[data-theme="dark"] .markdown-body table {
      background: rgba(15, 23, 42, 0.7);
      border-color: rgba(148, 163, 184, 0.18);
    }
    body[data-theme="dark"] .markdown-body h1,
    body[data-theme="dark"] .markdown-body h2,
    body[data-theme="dark"] .markdown-body h3 {
      color: #f1f5f9;
    }
    body[data-theme="dark"] .markdown-body blockquote {
      background: rgba(245, 158, 11, 0.08);
    }
    body[data-theme="dark"] .markdown-body pre {
      background: #020617;
    }
    body[data-theme="dark"] .related-card:hover {
      border-color: rgba(245, 158, 11, 0.35);
    }
    body[data-theme="dark"] .btn-secondary:hover {
      background: #334155;
    }
    @media (max-width: 980px) {
      .top-links { margin-left: 0; }
      .hero-card {
        grid-template-columns: 1fr;
      }
      .related-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }
    @media (max-width: 640px) {
      .hero-card,
      .section-card {
        padding: 18px;
      }
      .related-list { grid-template-columns: 1fr; }
    }