:root {
      --main: #6d5dfc;
      --accent: #22d3ee;
      --bg: #0f1020;
      --text: #e8eaf6;
      --card-bg: #1a1b2e;
      --border-color: #2a2b40;
      --muted: #9fa0b5;
    }
    
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      font-weight: 400;
      line-height: 1.6;
      overflow-x: hidden;
    }
    
    /* 滚动进度条 */
    #scrollProgress {
      position: fixed;
      top: 0;
      left: 0;
      height: 3px;
      width: 0%;
      background: linear-gradient(90deg, var(--main), var(--accent));
      z-index: 9999;
      border-radius: 0 5px 5px 0;
      transition: width 0.1s ease;
    }
    
    /* 导航栏 */
    .navbar-91 {
      background: rgba(15, 16, 32, 0.6);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border-color);
      padding: 0.8rem 0;
      transition: background 0.4s ease, box-shadow 0.3s ease;
      position: sticky;
      top: 0;
      z-index: 1000;
      border-radius: 0;
    }
    .navbar-91.scrolled {
      background: rgba(15, 16, 32, 0.92);
      box-shadow: 0 0 20px rgba(109, 93, 252, 0.15);
      backdrop-filter: blur(28px);
    }
    .navbar-brand-91 {
      font-weight: 800;
      font-size: 1.7rem;
      letter-spacing: -0.02em;
      color: var(--text) !important;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .navbar-brand-91 i {
      color: var(--accent);
      font-size: 1.8rem;
    }
    .nav-link-91 {
      color: rgba(232, 234, 246, 0.75);
      font-weight: 500;
      margin: 0 0.5rem;
      font-size: 0.95rem;
      transition: color 0.2s;
      border: 1px solid transparent;
      padding: 0.3rem 0.6rem;
      border-radius: 30px;
    }
    .nav-link-91:hover {
      color: var(--accent);
      border-color: rgba(34, 211, 238, 0.3);
      background: rgba(34, 211, 238, 0.05);
    }
    .navbar-toggler-91 {
      border: 1px solid var(--border-color);
      color: var(--text);
    }
    
    /* hero打字机 */
    .hero-section {
      min-height: 80vh;
      background: radial-gradient(ellipse at 30% 20%, #1c1f3f 0%, var(--bg) 90%);
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      border-bottom: 1px solid var(--border-color);
      padding: 3rem 1rem;
      position: relative;
      overflow: hidden;
    }
    .hero-typewriter {
      font-size: clamp(2.8rem, 8vw, 5.5rem);
      font-weight: 900;
      letter-spacing: -0.02em;
      color: var(--text);
      font-family: 'Inter', sans-serif;
      text-shadow: 0 0 30px rgba(109, 93, 252, 0.5);
    }
    .hero-typewriter::after {
      content: '|';
      color: var(--accent);
      animation: blink 1s step-end infinite;
      margin-left: 0.2rem;
    }
    @keyframes blink {
      50% { opacity: 0; }
    }
    .hero-sub {
      color: var(--muted);
      font-size: 1.2rem;
      margin-top: 1.2rem;
      letter-spacing: 0.1em;
    }
    
    /* 区块通用 */
    .section-title-91 {
      font-size: 2.2rem;
      font-weight: 800;
      letter-spacing: -0.01em;
      border-left: 5px solid var(--main);
      padding-left: 1rem;
      margin-bottom: 2rem;
      display: inline-block;
      color: var(--text);
    }
    .section-tag {
      color: var(--accent);
      font-size: 0.9rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
    }
    
    /* 卡片网格 - 纯描边无阴影 */
    .poster-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
      gap: 1.5rem;
    }
    .poster-card {
      background: transparent;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      transition: transform 0.25s ease, box-shadow 0.3s ease, border-color 0.2s;
      cursor: pointer;
      overflow: hidden;
      position: relative;
    }
    .poster-card:hover {
      transform: scale(1.03) translateY(-5px);
      box-shadow: 0 12px 30px -5px rgba(0,0,0,0.6);
      border-color: var(--main);
    }
    .poster-img {
      width: 100%;
      aspect-ratio: 2 / 3;
      object-fit: cover;
      background: #242642;
      display: block;
    }
    .poster-info {
      padding: 0.7rem 0.5rem;
      border-top: 1px solid var(--border-color);
    }
    .poster-title {
      font-weight: 600;
      font-size: 0.9rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .poster-meta {
      display: flex;
      justify-content: space-between;
      color: var(--muted);
      font-size: 0.75rem;
      margin-top: 0.3rem;
    }
    .quality-badge {
      position: absolute;
      top: 8px;
      right: 8px;
      background: rgba(0,0,0,0.7);
      border: 1px solid rgba(255,255,255,0.3);
      color: var(--accent);
      font-size: 0.65rem;
      padding: 0.2rem 0.5rem;
      border-radius: 30px;
      font-weight: 600;
      letter-spacing: 0.05em;
      backdrop-filter: blur(5px);
    }
    
    /* 榜单 */
    .rank-list {
      list-style: none;
      padding: 0;
      border-top: 1px solid var(--border-color);
    }
    .rank-item {
      display: flex;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding: 0.9rem 0.5rem;
      transition: background 0.2s;
    }
    .rank-item:hover {
      background: rgba(109, 93, 252, 0.05);
    }
    .rank-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--main);
      width: 3rem;
      flex-shrink: 0;
    }
    .rank-name {
      flex: 1;
      font-weight: 600;
      margin-right: 1rem;
    }
    .rank-score {
      color: var(--accent);
      font-weight: 700;
    }
    
    /* 分类入口 */
    .cat-chip {
      border: 1px solid var(--border-color);
      background: transparent;
      color: var(--text);
      padding: 0.6rem 1.2rem;
      border-radius: 50px;
      font-weight: 500;
      transition: all 0.2s;
      margin-right: 0.7rem;
      margin-bottom: 0.7rem;
      display: inline-block;
    }
    .cat-chip:hover, .cat-chip.active {
      background: var(--main);
      color: white;
      border-color: var(--main);
      box-shadow: 0 0 15px rgba(109,93,252,0.5);
    }
    
    /* 侧边详情栏 */
    .side-panel {
      position: fixed;
      top: 0;
      right: -440px;
      width: 420px;
      max-width: 100%;
      height: 100%;
      background: #13142a;
      z-index: 2000;
      transition: right 0.4s cubic-bezier(0.23, 1, 0.32, 1);
      border-left: 1px solid var(--border-color);
      box-shadow: -10px 0 40px rgba(0,0,0,0.6);
      padding: 2rem 1.5rem;
      overflow-y: auto;
    }
    .side-panel.show {
      right: 0;
    }
    .panel-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(3px);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s;
      z-index: 1999;
    }
    .panel-backdrop.show {
      opacity: 1;
      pointer-events: auto;
    }
    .close-panel {
      position: absolute;
      top: 20px;
      right: 20px;
      background: none;
      border: 1px solid var(--border-color);
      color: var(--text);
      width: 34px;
      height: 34px;
      border-radius: 50%;
      font-size: 1.2rem;
    }
    
    /* 通用按钮流动光泽 */
    .btn-flow {
      background: linear-gradient(120deg, var(--main), var(--accent), var(--main));
      background-size: 200% 100%;
      transition: background-position 0.5s, box-shadow 0.3s;
      color: white;
      border: none;
      font-weight: 600;
    }
    .btn-flow:hover {
      background-position: 100% 0;
      box-shadow: 0 0 20px rgba(34,211,238,0.5);
      color: white;
    }
    
    /* 步骤条 */
    .step-item {
      display: flex;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }
    .step-num {
      background: transparent;
      border: 1px solid var(--main);
      color: var(--main);
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }
    
    footer {
      border-top: 1px solid var(--border-color);
      padding: 2rem 0;
      color: var(--muted);
      background: #0b0c18;
    }
    
    .link-section {
      border: 1px solid var(--border-color);
      padding: 1.5rem;
      border-radius: 4px;
    }
    
    .faq-item {
      border-bottom: 1px solid var(--border-color);
      padding: 1rem 0;
    }

/* --- 子页面追加 --- */
/* 保证任何bootstrap组件都被强制覆盖为本站暗色风格 */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer,
        .form-control, .form-select, .form-label, .input-group-text,
        .table, .list-group-item, .accordion-item, .accordion-button, .accordion-body,
        .modal-content, .modal-header, .modal-body, .dropdown-menu, .dropdown-item,
        .nav-link, .navbar, .navbar-brand, .btn-light, .btn-outline-* {
            background-color: var(--card-bg) !important;
            color: var(--text) !important;
            border-color: var(--border-color) !important;
        }
.form-control::placeholder, .form-select::placeholder {
            color: rgba(232, 234, 246, 0.5) !important;
        }
.accordion-button:not(.collapsed) {
            background: var(--card-bg) !important;
            color: var(--accent) !important;
        }
.accordion-button::after {
            filter: invert(0.8);
        }
/* 保证所有卡片/容器背景都融入暗色 */
        .card, .list-group-item, .accordion-item {
            background: var(--card-bg) !important;
            border: 1px solid var(--border-color) !important;
        }
/* 自定义小标题装饰 */
        .about-section-title {
            color: var(--accent);
            font-weight: 700;
            letter-spacing: -0.02em;
            border-left: 4px solid var(--main);
            padding-left: 14px;
            margin: 2.5rem 0 1.2rem;
            font-size: 1.6rem;
        }
.about-hero {
            background: radial-gradient(circle at 20% 30%, rgba(109, 93, 252, 0.15), transparent 50%);
            padding: 3rem 0 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
.about-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text);
        }
.about-hero h1 span {
            color: var(--main);
        }
.feature-icon {
            font-size: 2.2rem;
            color: var(--accent);
            background: rgba(34, 211, 238, 0.08);
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            margin-bottom: 1rem;
        }
.stat-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 1.5rem 1rem;
            text-align: center;
        }
.stat-box .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--main);
        }
.stat-box .label {
            color: var(--muted);
            font-size: 0.9rem;
        }
.team-quote {
            background: rgba(109, 93, 252, 0.06);
            padding: 1.5rem;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }
.text-muted-91 { color: var(--muted) !important; }
.brand-highlight { color: var(--accent); font-weight: 600; }

/* --- 子页面追加 --- */
/* 仅对可能出现的bootstrap组件做兜底，并保持与站点配色一致 */
    .disclaimer-card, .disclaimer-card .card-body {
      background: var(--card-bg);
      color: var(--text);
      border: 1px solid var(--border-color);
    }
.disclaimer-card .card-title, .disclaimer-card .card-text {
      color: var(--text);
    }
.list-group-item.disclaimer-list-item {
      background: var(--card-bg);
      color: var(--text);
      border-color: var(--border-color);
    }
/* 锚点平滑 */
    html { scroll-behavior: smooth; }

/* --- 子页面追加 --- */
/* 确保本页所有组件都继承暗色主题，避免bootstrap默认白底 */
    .guide-wrap .card, 
    .guide-wrap .list-group-item,
    .guide-wrap .accordion-item {
      background: var(--card-bg);
      color: var(--text);
      border-color: var(--border-color);
    }
.guide-wrap .form-control,
    .guide-wrap .form-select {
      background: rgba(0,0,0,.35);
      color: var(--text);
      border-color: var(--border-color);
    }
.guide-wrap .form-control::placeholder {
      color: rgba(255,255,255,.45);
    }
.guide-wrap .accordion-button:not(.collapsed) {
      background: var(--main);
      color: #fff;
    }
.guide-wrap .accordion-button {
      background: var(--card-bg);
      color: var(--text);
      border-bottom: 1px solid var(--border-color);
    }
.guide-wrap .accordion-button::after {
      filter: invert(1);
    }
.guide-wrap .accordion-body {
      background: var(--card-bg);
      color: var(--text);
    }
.guide-wrap .nav-tabs .nav-link {
      color: var(--muted);
      border-color: var(--border-color);
    }
.guide-wrap .nav-tabs .nav-link.active {
      background: var(--main);
      color: #fff;
      border-color: var(--main);
    }
.guide-wrap .table {
      --bs-table-bg: transparent;
      --bs-table-color: var(--text);
      border-color: var(--border-color);
    }
.guide-wrap .table td, .guide-wrap .table th {
      border-color: var(--border-color);
    }
.guide-wrap .badge {
      background: var(--main);
    }
.guide-wrap .step-icon {
      background: rgba(109, 93, 252, .15);
      color: var(--accent);
      width: 48px;
      height: 48px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      flex-shrink: 0;
    }
.guide-wrap .guide-section-title {
      border-left: 5px solid var(--main);
      padding-left: 1rem;
      font-weight: 700;
    }

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