/* CSS变量 - 深色青橙 */
    :root {
      --primary: #22d3ee;
      --accent: #fb923c;
      --bg-dark: #0f172a;
      --text-light: #e2e8f0;
      --radius-lg: 24px;
      --radius-md: 16px;
      --shadow-soft: 0 20px 40px -12px rgba(0, 0, 0, 0.5), 0 8px 24px -6px rgba(34, 211, 238, 0.08);
      --font-title: 'Noto Serif SC', 'Inter', serif;
      --font-body: 'Noto Sans SC', 'Inter', sans-serif;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-light);
      font-family: var(--font-body);
      line-height: 1.75;
      overflow-x: hidden;
    }
    /* 滚动进度条 */
    #scroll-progress {
      position: fixed;
      top: 0; left: 0;
      height: 4px;
      width: 0%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      z-index: 9999;
      border-radius: 2px;
      transition: width 0.1s ease;
    }
    /* 视差背景光晕 */
    .parallax-hero {
      position: relative;
      overflow: hidden;
      background: radial-gradient(circle at 20% 30%, rgba(34,211,238,0.15) 0%, transparent 40%),
                  radial-gradient(circle at 80% 70%, rgba(251,146,60,0.15) 0%, transparent 50%);
    }
    .parallax-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200" opacity="0.1"><circle cx="30" cy="40" r="8" fill="%2322d3ee"/><circle cx="150" cy="120" r="12" fill="%23fb923c"/><circle cx="90" cy="180" r="6" fill="%2322d3ee"/><circle cx="180" cy="20" r="5" fill="%23fb923c"/></svg>');
      background-size: 200px 200px;
      will-change: transform;
      animation: parallaxMove 25s infinite alternate ease-in-out;
      z-index: 0;
    }
    @keyframes parallaxMove {
      0% { transform: translate(0, 0) scale(1); }
      100% { transform: translate(-30px, 20px) scale(1.05); }
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    /* 标签云 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 16px;
      justify-content: center;
      margin: 24px 0 16px;
    }
    .tag-cloud span {
      background: rgba(34, 211, 238, 0.08);
      border: 1px solid rgba(34, 211, 238, 0.25);
      backdrop-filter: blur(8px);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      letter-spacing: 0.5px;
      color: var(--primary);
      box-shadow: 0 0 12px rgba(34,211,238,0.1);
    }
    /* 布局 */
    .layout-wrap {
      display: flex;
      gap: 28px;
      max-width: 1400px;
      margin: 0 auto;
      padding: 32px 24px;
    }
    .left-sidebar {
      flex: 0 0 220px;
      position: sticky;
      top: 80px;
      align-self: flex-start;
      border-radius: var(--radius-lg);
      background: rgba(15, 23, 42, 0.6);
      backdrop-filter: blur(12px);
      padding: 20px 12px;
      border: 1px solid rgba(34, 211, 238, 0.15);
      box-shadow: var(--shadow-soft);
    }
    .left-sidebar nav a {
      display: block;
      padding: 12px 16px;
      border-radius: 40px;
      color: var(--text-light);
      text-decoration: none;
      font-weight: 500;
      margin-bottom: 8px;
      transition: all 0.2s;
      font-size: 0.95rem;
    }
    .left-sidebar nav a i {
      margin-right: 12px;
      width: 20px;
      color: var(--primary);
    }
    .left-sidebar nav a:hover, .left-sidebar nav a.active {
      background: rgba(34, 211, 238, 0.1);
      color: var(--primary);
      box-shadow: inset 0 0 20px rgba(34,211,238,0.05);
    }
    .right-content {
      flex: 1;
      min-width: 0;
    }
    /* 卡片瀑布流 */
    .masonry-grid {
      column-count: 2;
      column-gap: 24px;
    }
    @media (max-width: 992px) {
      .layout-wrap { flex-direction: column; }
      .left-sidebar { position: static; width: 100%; flex: auto; }
      .masonry-grid { column-count: 1; }
    }
    .grid-card {
      break-inside: avoid;
      margin-bottom: 24px;
      background: rgba(30, 41, 59, 0.6);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.06);
      transition: 0.3s;
      backdrop-filter: blur(8px);
      box-shadow: var(--shadow-soft);
    }
    .grid-card:hover {
      border-color: rgba(34, 211, 238, 0.3);
      transform: translateY(-4px);
    }
    .card-img-wrap {
      position: relative;
      background: #1e293b;
      aspect-ratio: 16/10;
      overflow: hidden;
    }
    .card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: 0.4s;
    }
    .card-img-wrap .play-btn {
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%) scale(0.8);
      width: 60px; height: 60px;
      background: rgba(34, 211, 238, 0.7);
      backdrop-filter: blur(6px);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: 0.3s;
      color: #0f172a;
      font-size: 1.6rem;
      box-shadow: 0 0 30px rgba(34,211,238,0.5);
    }
    .grid-card:hover .play-btn {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
    .card-body-custom {
      padding: 20px 18px;
    }
    .card-title-custom {
      font-family: var(--font-title);
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .card-meta {
      color: #94a3b8;
      font-size: 0.8rem;
    }
    /* 特色对比表格 */
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .compare-table th, .compare-table td {
      padding: 14px 12px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      text-align: center;
    }
    .compare-table th {
      background: rgba(34, 211, 238, 0.1);
      font-weight: 600;
      font-family: var(--font-title);
    }
    .compare-table td:first-child {
      font-weight: 600;
    }
    /* 编号清单 */
    .steps-list {
      list-style: none;
      counter-reset: step;
    }
    .steps-list li {
      counter-increment: step;
      position: relative;
      padding-left: 48px;
      margin-bottom: 24px;
    }
    .steps-list li::before {
      content: counter(step);
      position: absolute;
      left: 0; top: 0;
      width: 36px; height: 36px;
      background: var(--accent);
      color: #0f172a;
      font-weight: 700;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 14px rgba(251,146,60,0.3);
    }
    /* 标题 */
    .section-title {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 2rem;
      margin: 48px 0 20px;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: '';
      display: block;
      width: 60%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      margin-top: 8px;
      border-radius: 4px;
    }
    /* 按钮 */
    .btn-soft {
      background: var(--accent);
      color: #0f172a;
      padding: 12px 30px;
      border-radius: 60px;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(251,146,60,0.3);
      transition: 0.2s;
    }
    .btn-soft:hover {
      background: #fdba74;
      transform: scale(1.03);
    }
    footer {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding: 32px 0 20px;
      text-align: center;
      color: #94a3b8;
    }
    .footer-links a {
      color: var(--primary);
      margin: 0 10px;
      text-decoration: none;
    }
    .brand-txt {
      font-family: var(--font-title);
      font-weight: 800;
      letter-spacing: -0.5px;
    }
    /* 移动端导航折叠 */
    .navbar-toggler { border: none; }
    @media (max-width: 768px) {
      .brand-txt { font-size: 1.2rem; }
    }
    /* 顶部导航固定 */
    .fixed-top-nav {
      background: rgba(15,23,42,0.7);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(34,211,238,0.1);
    }

/* --- 子页面追加 --- */
/* 极少量的本页定制：保证组件与深色背景融合，其余全部复用站点类 */
        .about-hero { padding: 120px 0 60px; background: radial-gradient(circle at 30% 20%, rgba(34,211,238,.12), transparent 60%); }
.about-title { font-family: var(--font-title); color: var(--text-light); letter-spacing: 1px; }
.about-title span { color: var(--primary); }
.section-card { background: rgba(255,255,255,.03); border: 1px solid rgba(34,211,238,.15); border-radius: var(--radius-lg); padding: 2rem 1.5rem; backdrop-filter: blur(8px); box-shadow: var(--shadow-soft); transition: .25s ease; }
.section-card:hover { border-color: rgba(34,211,238,.35); background: rgba(255,255,255,.045); }
.section-card h2, .section-card h3 { font-family: var(--font-title); color: var(--primary); font-weight: 600; letter-spacing: .5px; }
.section-card p, .section-card li { color: var(--text-light); font-size: .98rem; line-height: 1.8; }
.section-card i { color: var(--accent); margin-right: .4rem; }
.badge-soft { background: rgba(251,146,60,.15); color: var(--accent); border-radius: 50px; padding: .25rem 1rem; font-weight: 500; }
.list-check { list-style: none; padding-left: 0; }
.list-check li { padding: .5rem 0; border-bottom: 1px dashed rgba(226,232,240,.08); }
.list-check li:last-child { border-bottom: none; }
.list-check i { color: var(--primary); width: 24px; }
.highlight-text { color: var(--primary); font-weight: 600; }
.about-footer-note { border-top: 1px solid rgba(34,211,238,.15); padding-top: 2rem; margin-top: 2rem; }
.about-footer-note a { color: var(--primary); text-decoration: none; }
.about-footer-note a:hover { color: var(--accent); text-decoration: underline; }
/* 覆盖可能出现的 Bootstrap 白底（虽然尽量不用组件，但以防万一） */
        .card, .list-group-item, .form-control { background: transparent !important; color: var(--text-light) !important; border-color: rgba(34,211,238,.2) !important; }

/* --- 子页面追加 --- */
/* 本页专属微调 - 仅补充，不影响全局 */
        .recommend-hero {
            background: linear-gradient(135deg, rgba(15,23,42,0.92) 0%, rgba(34,211,238,0.15) 100%);
        }
.grid-card .card-title-custom {
            font-family: var(--font-title);
        }
.list-group-flush .list-group-item {
            background: transparent;
            border-color: rgba(255,255,255,0.08);
        }
.watchlist-icon {
            color: var(--accent);
        }
.section-divider {
            border-top: 1px solid rgba(255,255,255,0.06);
        }

/* --- 子页面追加 --- */
/* 页面内少量定制样式，仅针对免责声明排版 */
        .disclaimer-wrap {
            max-width: 1000px;
            margin: 0 auto;
            padding: 2rem 1rem 4rem;
        }
.disclaimer-wrap h1 {
            font-family: var(--font-title);
            color: var(--primary);
            font-weight: 900;
            letter-spacing: 0.5px;
            border-bottom: 2px solid rgba(34, 211, 238, 0.2);
            padding-bottom: 1rem;
            margin-bottom: 2rem;
        }
.disclaimer-section {
            background: rgba(15, 23, 42, 0.7);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(34, 211, 238, 0.15);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.8rem;
            margin-bottom: 1.8rem;
            box-shadow: var(--shadow-soft);
            transition: border-color 0.2s;
        }
.disclaimer-section:hover {
            border-color: rgba(251, 146, 60, 0.4);
        }
.disclaimer-section h2, .disclaimer-section h3 {
            font-family: var(--font-title);
            color: var(--accent);
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
.disclaimer-section h2 i, .disclaimer-section h3 i {
            color: var(--primary);
            font-size: 1.3rem;
        }
.disclaimer-section p, .disclaimer-section li {
            color: var(--text-light);
            line-height: 1.85;
            font-size: 1rem;
        }
.disclaimer-section ul {
            padding-left: 1.4rem;
            list-style-type: none;
        }
.disclaimer-section ul li::before {
            content: "🍉";
            margin-right: 0.6rem;
            color: var(--accent);
            font-size: 0.9rem;
        }
.highlight-badge {
            background: rgba(34, 211, 238, 0.1);
            border-left: 4px solid var(--primary);
            padding: 0.8rem 1.2rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            margin: 1.2rem 0;
            color: #bae6fd;
        }
.footer-inline-link {
            color: var(--primary);
            text-decoration: none;
        }
.footer-inline-link:hover {
            color: var(--accent);
        }
/* 覆盖bootstrap的卡片以防万一 */
        .disclaimer-section, .disclaimer-section * {
            background: transparent;
            color: var(--text-light);
        }

/* --- 子页面追加 --- */
/* 在全局 style.css 基础上，覆盖个别 Bootstrap 组件，确保与深色主题一致 */
        .card, .card-body, .card-header, .card-footer {
            background: rgba(15, 23, 42, 0.7) !important;
            color: var(--text-light) !important;
            border-color: rgba(34, 211, 238, 0.2) !important;
        }
.card-title, .card-text {
            color: var(--text-light) !important;
        }
.form-control, .form-select {
            background: rgba(0, 0, 0, 0.35) !important;
            color: var(--text-light) !important;
            border: 1px solid rgba(34, 211, 238, 0.25) !important;
        }
.form-control::placeholder {
            color: rgba(226, 232, 240, 0.5) !important;
        }
.form-label {
            color: var(--text-light) !important;
        }
/* 确保所有卡片、容器边框使用站点变量 */
        .grid-card, .card {
            box-shadow: var(--shadow-soft);
        }
/* 小标题品牌色点缀 */
        .join-accent {
            color: var(--accent);
        }
.join-primary {
            color: var(--primary);
        }
/* 导航激活状态 */
        .nav-link.active-link {
            color: var(--primary) !important;
            font-weight: 600;
            text-shadow: 0 0 8px rgba(34, 211, 238, 0.3);
        }
/* 品牌连续 */
        .brand-txt {
            letter-spacing: normal;
            white-space: nowrap;
        }
/* 步骤卡片数字 */
        .step-num {
            font-family: var(--font-title);
            font-weight: 800;
            color: var(--primary);
        }
/* 社区勋章 */
        .badge-community {
            background: rgba(251, 146, 60, 0.15);
            border: 1px solid rgba(251, 146, 60, 0.3);
            color: var(--accent);
        }

/* --- 子页面追加 --- */
/* 确保品牌名连续完整 */
        .brand-txt {
            white-space: nowrap;
        }
/* 隐私政策特有的排版微调 */
        .privacy-section {
            padding: 3.5rem 0;
            border-bottom: 1px solid rgba(34, 211, 238, 0.08);
        }
.privacy-section:last-of-type {
            border-bottom: none;
        }
.privacy-section h2 {
            color: var(--primary);
            font-family: var(--font-title);
            margin-bottom: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
.privacy-section p, .privacy-section li {
            color: var(--text-light);
            opacity: 0.9;
            line-height: 1.8;
        }
.privacy-section strong {
            color: var(--accent);
        }
.privacy-list {
            padding-left: 1.2rem;
            margin-bottom: 1.2rem;
        }
.privacy-list li {
            margin-bottom: 0.5rem;
        }
.card-soft {
            background: rgba(15, 23, 42, 0.6);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(34, 211, 238, 0.15);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: 0.2s;
        }
.card-soft:hover {
            border-color: rgba(34, 211, 238, 0.4);
            box-shadow: var(--shadow-soft);
        }
/* 覆盖 Bootstrap 可能的默认白底（确保无白块） */
        .card, .card-body {
            background: rgba(15, 23, 42, 0.6);
            color: var(--text-light);
            border-color: rgba(34, 211, 238, 0.15);
        }
.nav-link {
            color: var(--text-light);
        }
.nav-link:hover {
            color: var(--primary);
        }
.navbar {
            background: rgba(15, 23, 42, 0.85) !important;
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(34, 211, 238, 0.2);
        }
.navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(34, 211, 238, 0.15);
        }
/* 页脚无白底 */
        .footer-custom {
            background: #0b1120;
            color: var(--text-light);
            border-top: 1px solid rgba(34, 211, 238, 0.15);
        }
.footer-custom a {
            color: var(--primary);
            text-decoration: none;
        }
.footer-custom a:hover {
            color: var(--accent);
        }
/* 保证链接绝对路径风格 */
        a[href^="/"] {
            text-decoration: none;
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#e2e8f0 !important; border-color:rgba(255,255,255,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#e2e8f0 !important; }
.accordion-item { background:rgba(255,255,255,.04) !important; color:#e2e8f0 !important; border-color:rgba(255,255,255,.12) !important; }
.accordion-button { background:rgba(255,255,255,.04) !important; color:#e2e8f0 !important; }
.accordion-body { background:transparent !important; color:#e2e8f0 !important; }
.accordion-header { background:transparent !important; }
.accordion-button::after { filter: invert(1) grayscale(1) brightness(2); }