:root {
      --mint-primary: #059669;
      --mint-accent: #14b8a6;
      --mint-bg: #f0fdfa;
      --mint-text: #134e4a;
      --mint-radius: 20px;
      --mint-shadow: 0 8px 24px rgba(20, 184, 166, 0.08);
    }

    * { box-sizing: border-box; }

    body {
      background-color: var(--mint-bg);
      color: var(--mint-text);
      font-family: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
      font-size: 15px;
      line-height: 1.6;
      letter-spacing: 0.01em;
    }

    h1, h2, h3, h4, .font-serif {
      font-family: 'Noto Serif SC', 'Inter', serif;
      font-weight: 700;
    }

    /* 细微噪点纹理 (顶部) */
    body::before {
      content: "";
      position: fixed;
      top: 0; left: 0; width: 100%; height: 100%;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 0;
    }

    a { color: var(--mint-primary); text-decoration: none; }
    a:hover { color: var(--mint-accent); }

    .wrapper {
      display: flex;
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 20px;
      position: relative;
      z-index: 1;
    }

    /* 左侧固定侧栏 */
    .sidebar-left {
      width: 220px;
      flex-shrink: 0;
      position: sticky;
      top: 80px;
      height: calc(100vh - 100px);
      padding-right: 20px;
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

    .main-content {
      flex: 1;
      min-width: 0;
      padding-bottom: 60px;
    }

    /* 导航条 - 滚动吸顶 */
    .navbar-custom {
      background: rgba(240, 253, 250, 0.7);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(5, 150, 105, 0.12);
      transition: background 0.3s ease, box-shadow 0.3s ease;
      padding-top: 0.7rem;
      padding-bottom: 0.7rem;
    }
    .navbar-custom.scrolled {
      background: rgba(240, 253, 250, 0.95);
      box-shadow: 0 6px 18px rgba(5, 150, 105, 0.06);
    }

    .navbar-brand {
      font-weight: 700;
      font-size: 1.6rem;
      color: var(--mint-text) !important;
      font-family: 'Noto Serif SC', serif;
      letter-spacing: 1px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .nav-link {
      color: var(--mint-text);
      font-weight: 500;
      margin: 0 8px;
      font-size: 0.95rem;
    }
    .nav-link:hover { color: var(--mint-primary); }

    /* Hero 渐变文字 */
    .hero-title {
      background: linear-gradient(145deg, #059669 10%, #14b8a6 90%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      font-weight: 900;
      font-size: clamp(2.4rem, 5vw, 3.8rem);
      line-height: 1.2;
      position: relative;
    }

    .float-decor {
      animation: floaty 4s infinite ease-in-out;
    }

    @keyframes floaty {
      0% { transform: translateY(0px) rotate(0deg); }
      50% { transform: translateY(-12px) rotate(3deg); }
      100% { transform: translateY(0px) rotate(0deg); }
    }

    /* 卡片大圆角柔和弥散阴影 */
    .mint-card {
      background: white;
      border-radius: var(--mint-radius);
      box-shadow: var(--mint-shadow);
      padding: 1.5rem;
      border: 1px solid rgba(20, 184, 166, 0.15);
      transition: transform 0.2s, box-shadow 0.2s;
      height: 100%;
    }
    .mint-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 32px rgba(5, 150, 105, 0.12);
    }

    /* 单色描边图标 */
    .icon-stroke {
      color: var(--mint-primary);
      font-size: 2rem;
      opacity: 0.8;
      margin-bottom: 1rem;
    }

    /* 标签页切换样式 */
    .nav-tabs .nav-link {
      border: none;
      border-radius: 40px;
      padding: 0.4rem 1.2rem;
      background: transparent;
      color: var(--mint-text);
      font-weight: 500;
      margin-right: 10px;
      transition: all 0.15s;
    }
    .nav-tabs .nav-link.active {
      background: var(--mint-primary);
      color: white;
    }

    /* 时间线 */
    .timeline {
      border-left: 2px solid rgba(5, 150, 105, 0.2);
      margin-left: 8px;
      padding-left: 24px;
    }
    .timeline-item {
      position: relative;
      margin-bottom: 1.8rem;
    }
    .timeline-item::before {
      content: "";
      width: 14px;
      height: 14px;
      background: var(--mint-accent);
      border-radius: 50%;
      position: absolute;
      left: -33px;
      top: 4px;
      box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.2);
    }

    /* 回到顶部按钮 */
    #backTop {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--mint-primary);
      color: white;
      border: none;
      font-size: 1.2rem;
      box-shadow: 0 6px 16px rgba(5, 150, 105, 0.4);
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s, visibility 0.3s;
      z-index: 999;
    }
    #backTop.show {
      opacity: 1;
      visibility: visible;
    }

    /* 紧凑高密度排版 */
    .dense-text p {
      margin-bottom: 0.5rem;
      font-size: 0.9rem;
    }

    /* 友链区 */
    .friend-links {
      border-top: 1px dashed rgba(5, 150, 105, 0.2);
      padding-top: 20px;
    }

    /* 瀑布流卡片网格 */
    .masonry-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: 20px;
    }
    .masonry-card .mint-card {
      padding: 1.2rem;
    }

    @media (max-width: 992px) {
      .wrapper { flex-direction: column; }
      .sidebar-left {
        width: 100%;
        position: static;
        height: auto;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 20px;
      }
    }

/* --- 子页面追加 --- */
/* 本页专属样式——仅补充关于页特有布局，不覆盖站点全局变量 */
    .about-hero {
      padding: 60px 0 30px;
    }
.about-hero .hero-title {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--mint-text);
      margin-bottom: 20px;
    }
.about-hero .lead-text {
      font-size: 1.1rem;
      color: var(--mint-text);
      opacity: 0.85;
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.8;
    }
.about-section {
      padding: 40px 0;
    }
.about-section h2 {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--mint-primary);
      margin-bottom: 24px;
      position: relative;
      padding-bottom: 12px;
    }
.about-section h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 60px;
      height: 4px;
      background: var(--mint-accent);
      border-radius: 4px;
    }
.about-section h3 {
      font-size: 1.3rem;
      font-weight: 600;
      color: var(--mint-text);
      margin: 28px 0 16px;
    }
.about-section p {
      color: var(--mint-text);
      opacity: 0.9;
      line-height: 1.9;
      margin-bottom: 16px;
    }
.feature-item {
      background: var(--mint-bg);
      border: 1px solid rgba(20, 184, 166, 0.15);
      border-radius: var(--mint-radius);
      padding: 28px;
      height: 100%;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
.feature-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--mint-shadow);
    }
.feature-item i {
      font-size: 2.2rem;
      color: var(--mint-primary);
      margin-bottom: 16px;
    }
.feature-item h4 {
      font-size: 1.15rem;
      font-weight: 600;
      color: var(--mint-text);
      margin-bottom: 12px;
    }
.feature-item p {
      font-size: 0.95rem;
      color: var(--mint-text);
      opacity: 0.8;
      margin-bottom: 0;
      line-height: 1.7;
    }
.timeline .timeline-item {
      position: relative;
      padding-left: 40px;
      padding-bottom: 32px;
      border-left: 2px solid rgba(20, 184, 166, 0.2);
    }
.timeline .timeline-item:last-child {
      border-left-color: transparent;
      padding-bottom: 0;
    }
.timeline .timeline-item::before {
      content: '';
      position: absolute;
      left: -8px;
      top: 4px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--mint-primary);
      border: 3px solid var(--mint-bg);
      box-shadow: 0 0 0 2px var(--mint-primary);
    }
.timeline .timeline-date {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--mint-accent);
      margin-bottom: 6px;
    }
.timeline .timeline-content {
      font-size: 1rem;
      color: var(--mint-text);
      line-height: 1.7;
    }
.stat-card {
      background: linear-gradient(135deg, var(--mint-primary), var(--mint-accent));
      border-radius: var(--mint-radius);
      padding: 24px 16px;
      text-align: center;
      color: #fff;
    }
.stat-card .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      display: block;
      margin-bottom: 4px;
    }
.stat-card .stat-label {
      font-size: 0.9rem;
      opacity: 0.9;
    }

/* --- 子页面追加 --- */
.rank-hero {
            background: linear-gradient(135deg, var(--mint-primary) 0%, var(--mint-accent) 100%);
            border-radius: var(--mint-radius);
            padding: 3rem 2rem;
            color: white;
            position: relative;
            overflow: hidden;
            margin-bottom: 2rem;
        }
.rank-hero::before {
            content: '🏆';
            position: absolute;
            right: 2rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 8rem;
            opacity: 0.15;
        }
.rank-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            color: white;
        }
.rank-hero p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 600px;
        }
.rank-tabs {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
.rank-tab {
            background: var(--mint-bg);
            border: 2px solid transparent;
            border-radius: 50px;
            padding: 0.6rem 1.5rem;
            font-weight: 600;
            color: var(--mint-text);
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
.rank-tab:hover, .rank-tab.active {
            background: var(--mint-primary);
            color: white;
            border-color: var(--mint-primary);
        }
.rank-card {
            background: white;
            border-radius: var(--mint-radius);
            box-shadow: var(--mint-shadow);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            display: flex;
            gap: 1.5rem;
            align-items: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            border-left: 4px solid var(--mint-primary);
        }
.rank-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(20, 184, 166, 0.15);
        }
.rank-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--mint-primary);
            min-width: 80px;
            text-align: center;
            font-style: italic;
            text-shadow: 2px 2px 4px rgba(5, 150, 105, 0.1);
        }
.rank-number.top-1 {
            color: #f59e0b;
            font-size: 3rem;
        }
.rank-number.top-2 {
            color: #94a3b8;
            font-size: 2.8rem;
        }
.rank-number.top-3 {
            color: #b45309;
            font-size: 2.7rem;
        }
.rank-info {
            flex: 1;
        }
.rank-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--mint-text);
            margin-bottom: 0.4rem;
        }
.rank-info .rank-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 0.6rem;
        }
.rank-tag {
            background: var(--mint-bg);
            color: var(--mint-primary);
            border-radius: 4px;
            padding: 0.2rem 0.6rem;
            font-size: 0.8rem;
            font-weight: 600;
        }
.rank-info .rank-desc {
            color: #64748b;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0.5rem;
        }
.rank-stats {
            display: flex;
            gap: 1.5rem;
            color: #94a3b8;
            font-size: 0.85rem;
        }
.rank-stats i {
            color: var(--mint-accent);
            margin-right: 0.3rem;
        }
.rank-score {
            text-align: center;
            min-width: 100px;
            padding: 0.8rem;
            background: var(--mint-bg);
            border-radius: 12px;
        }
.rank-score .score {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--mint-primary);
            line-height: 1.2;
        }
.rank-score .score-label {
            font-size: 0.8rem;
            color: #64748b;
        }
.trend-up {
            color: #ef4444;
            font-size: 0.85rem;
            font-weight: 600;
        }
.trend-down {
            color: #3b82f6;
            font-size: 0.85rem;
            font-weight: 600;
        }
.trend-stable {
            color: #94a3b8;
            font-size: 0.85rem;
            font-weight: 600;
        }
.rank-sidebar-card {
            background: var(--mint-bg);
            border-radius: var(--mint-radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
.rank-sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--mint-text);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--mint-accent);
        }
.genre-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
.genre-item {
            background: white;
            color: var(--mint-text);
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid rgba(5, 150, 105, 0.1);
        }
.genre-item:hover {
            background: var(--mint-primary);
            color: white;
            transform: translateY(-2px);
        }
.quick-link-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(5, 150, 105, 0.1);
            text-decoration: none;
            color: var(--mint-text);
            transition: all 0.3s ease;
        }
.quick-link-item:hover {
            color: var(--mint-primary);
            padding-left: 0.5rem;
        }
.quick-link-item i {
            color: var(--mint-accent);
            width: 20px;
            text-align: center;
        }
.quick-link-item:last-child {
            border-bottom: none;
        }
.rank-hero h1 {
                font-size: 1.8rem;
            }
.rank-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem;
            }
.rank-number {
                min-width: auto;
                font-size: 2rem;
            }
.rank-score {
                min-width: 100%;
            }

/* --- 子页面追加 --- */
/* 确保Bootstrap组件不出现白底黑字，沿用本站配色 */
        .mint-card, .card, .card-body, .card-header, .card-footer,
        .accordion-item, .accordion-button, .accordion-body,
        .form-control, .form-select, .list-group-item {
            background-color: var(--mint-bg);
            color: var(--mint-text);
            border-color: rgba(20, 184, 166, 0.25);
        }
.accordion-button:not(.collapsed) {
            background-color: rgba(20, 184, 166, 0.15);
            color: var(--mint-text);
        }
.accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(20, 184, 166, 0.2);
        }
/* 链接颜色与站点一致 */
        .main-content a:not(.btn) {
            color: var(--mint-primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
.main-content a:not(.btn):hover {
            color: var(--mint-accent);
        }
/* 自定义列表图标 */
        .disclaimer-icon {
            color: var(--mint-primary);
        }
/* 小标题修饰 */
        .disclaimer-section-title {
            font-weight: 600;
            border-left: 5px solid var(--mint-primary);
            padding-left: 0.75rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--mint-text);
        }
/* 轻微背景块 */
        .highlight-block {
            background-color: rgba(20, 184, 166, 0.05);
            border-radius: var(--mint-radius);
            padding: 1.25rem;
            border: 1px solid rgba(20, 184, 166, 0.2);
        }
/* 列表间距 */
        .disclaimer-list {
            padding-left: 1.2rem;
            line-height: 1.8;
        }
.disclaimer-list li {
            margin-bottom: 0.5rem;
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }