/* roulang page: index */
:root {
            --tea-primary: #1b382b;
            --tea-primary-light: #2b503f;
            --tea-accent: #b6854d;
            --tea-accent-light: #e8d7c3;
            --tea-bg-cream: #f8f6f0;
            --tea-bg-alt: #f1ede4;
            --tea-text-main: #242a26;
            --tea-text-muted: #647067;
            --tea-border: #e2ddd3;
            --tea-border-subtle: #eeebe3;
            --tea-shadow-sm: 0 2px 8px rgba(27, 56, 43, 0.05);
            --tea-shadow-md: 0 8px 24px rgba(27, 56, 43, 0.08);
            --tea-shadow-lg: 0 16px 40px rgba(27, 56, 43, 0.12);
            --tea-radius-pill: 40px;
            --tea-radius-card: 16px;
            --tea-radius-sm: 8px;
            --font-serif: 'Noto Serif SC', serif, Georgia;
            --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        *, *::before, *::after {
            box-sizing: border-box;
        }

        body {
            background-color: var(--tea-bg-cream);
            color: var(--tea-text-main);
            font-family: var(--font-sans);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, .font-serif-custom {
            font-family: var(--font-serif);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--tea-primary);
        }

        a {
            color: var(--tea-primary);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: var(--tea-accent);
        }

        /* 顶部悬浮内缩导航 */
        .site-floating-header {
            position: sticky;
            top: 16px;
            z-index: 1040;
            padding: 0 16px;
            margin-bottom: -16px;
        }
        .site-navbar {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--tea-border);
            border-radius: var(--tea-radius-pill);
            box-shadow: var(--tea-shadow-md);
            padding: 10px 24px;
            transition: all 0.3s ease;
        }
        .navbar-brand-text {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--tea-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--tea-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 0.9rem;
        }
        .nav-link-custom {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--tea-text-main);
            padding: 8px 16px !important;
            border-radius: 20px;
            transition: all 0.2s ease;
        }
        .nav-link-custom:hover {
            color: var(--tea-accent);
            background: rgba(182, 133, 77, 0.08);
        }
        .nav-link-custom.active {
            color: var(--tea-primary);
            background: var(--tea-bg-alt);
            font-weight: 600;
        }
        .btn-nav-action {
            background: var(--tea-primary);
            color: #fff !important;
            border-radius: 20px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .btn-nav-action:hover {
            background: var(--tea-accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(182, 133, 77, 0.25);
        }

        /* Section 标准容器与背景交替 */
        .content-section {
            padding: 80px 0;
            border-bottom: 1px solid var(--tea-border-subtle);
            position: relative;
        }
        .bg-light-tea {
            background-color: var(--tea-bg-cream);
        }
        .bg-subtle-tea {
            background-color: var(--tea-bg-alt);
        }
        .bg-white-tea {
            background-color: #ffffff;
        }
        .bg-forest-tea {
            background-color: var(--tea-primary);
            color: #f7f9f8;
        }
        .bg-forest-tea h2, .bg-forest-tea h3, .bg-forest-tea p {
            color: #f7f9f8;
        }

        .section-header {
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--tea-accent);
            background: rgba(182, 133, 77, 0.12);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
            border: 1px solid rgba(182, 133, 77, 0.2);
        }
        .section-title {
            font-size: 2.1rem;
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--tea-text-muted);
            max-width: 820px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* Hero: 文档帮助中心检索风格 */
        .hero-doc-section {
            padding: 120px 0 80px;
            background: linear-gradient(180deg, #ffffff 0%, var(--tea-bg-cream) 100%);
            border-bottom: 1px solid var(--tea-border);
            text-align: center;
        }
        .hero-title {
            font-size: 2.75rem;
            font-weight: 700;
            color: var(--tea-primary);
            line-height: 1.3;
            margin-bottom: 20px;
        }
        .hero-subtitle {
            font-size: 1.12rem;
            color: var(--tea-text-muted);
            max-width: 780px;
            margin: 0 auto 36px;
            line-height: 1.85;
        }
        .hero-search-wrapper {
            max-width: 680px;
            margin: 0 auto 28px;
            position: relative;
        }
        .hero-search-input {
            width: 100%;
            padding: 18px 24px 18px 56px;
            font-size: 1.05rem;
            border-radius: 50px;
            border: 2px solid var(--tea-border);
            background: #ffffff;
            color: var(--tea-text-main);
            box-shadow: var(--tea-shadow-md);
            transition: all 0.3s ease;
        }
        .hero-search-input:focus {
            outline: none;
            border-color: var(--tea-accent);
            box-shadow: 0 8px 30px rgba(182, 133, 77, 0.18);
        }
        .hero-search-icon {
            position: absolute;
            left: 22px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.25rem;
            color: var(--tea-accent);
        }
        .hero-search-btn {
            position: absolute;
            right: 8px;
            top: 8px;
            bottom: 8px;
            border-radius: 40px;
            background: var(--tea-primary);
            color: #ffffff;
            border: none;
            padding: 0 24px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .hero-search-btn:hover {
            background: var(--tea-accent);
        }
        .hero-chips-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-chip-label {
            font-size: 0.88rem;
            color: var(--tea-text-muted);
            font-weight: 500;
        }
        .hero-chip-item {
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            background: #ffffff;
            border: 1px solid var(--tea-border);
            color: var(--tea-text-main);
            transition: all 0.2s ease;
        }
        .hero-chip-item:hover {
            border-color: var(--tea-accent);
            color: var(--tea-accent);
            background: #fdfbf8;
            transform: translateY(-1px);
        }

        /* 通用卡片规范 */
        .tea-card {
            background: #ffffff;
            border: 1px solid var(--tea-border);
            border-radius: var(--tea-radius-card);
            padding: 28px;
            box-shadow: var(--tea-shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
        }
        .tea-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--tea-shadow-md);
            border-color: var(--tea-accent-light);
        }
        .card-icon-box {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(27, 56, 43, 0.06);
            color: var(--tea-primary);
            font-size: 1.35rem;
            margin-bottom: 20px;
        }
        .tea-card:hover .card-icon-box {
            background: var(--tea-primary);
            color: #ffffff;
        }
        .card-title {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--tea-primary);
        }
        .card-body-text {
            color: var(--tea-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 18px;
            flex-grow: 1;
        }
        .card-meta-list {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
            font-size: 0.88rem;
            color: var(--tea-text-muted);
            border-top: 1px solid var(--tea-border-subtle);
            padding-top: 14px;
        }
        .card-meta-list li {
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 徽章与标签 */
        .tea-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            background: var(--tea-bg-alt);
            color: var(--tea-primary);
            border: 1px solid var(--tea-border);
        }
        .tea-badge-gold {
            background: #fbf5eb;
            color: #9b6f38;
            border-color: #ebdcc6;
        }

        /* 按钮与交互 */
        .btn-tea-primary {
            background: var(--tea-primary);
            color: #ffffff;
            border: 1px solid var(--tea-primary);
            border-radius: 30px;
            padding: 10px 24px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }
        .btn-tea-primary:hover {
            background: var(--tea-accent);
            border-color: var(--tea-accent);
            color: #ffffff;
            box-shadow: 0 6px 16px rgba(182, 133, 77, 0.25);
        }
        .btn-tea-outline {
            background: transparent;
            color: var(--tea-primary);
            border: 1px solid var(--tea-border);
            border-radius: 30px;
            padding: 9px 22px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.25s ease;
        }
        .btn-tea-outline:hover {
            background: #ffffff;
            border-color: var(--tea-accent);
            color: var(--tea-accent);
        }

        /* 数据条样式 */
        .stats-item {
            text-align: center;
            padding: 24px 16px;
            border-right: 1px solid rgba(255, 255, 255, 0.15);
        }
        .stats-item:last-child {
            border-right: none;
        }
        .stats-number {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stats-number span {
            color: var(--tea-accent-light);
            font-size: 1.4rem;
        }
        .stats-label {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
        }

        /* 对比表格/卡片 */
        .compare-card {
            border-radius: var(--tea-radius-card);
            padding: 32px;
            height: 100%;
        }
        .compare-card-standard {
            background: #ffffff;
            border: 1px solid var(--tea-border);
        }
        .compare-card-pro {
            background: #ffffff;
            border: 2px solid var(--tea-accent);
            position: relative;
            box-shadow: var(--tea-shadow-md);
        }
        .compare-ribbon {
            position: absolute;
            top: -14px;
            right: 28px;
            background: var(--tea-accent);
            color: #ffffff;
            font-size: 0.78rem;
            padding: 3px 12px;
            border-radius: 12px;
            font-weight: 600;
        }

        /* 精选问答流 */
        .qa-card {
            background: #ffffff;
            border: 1px solid var(--tea-border);
            border-radius: 12px;
            padding: 24px 28px;
            margin-bottom: 16px;
            transition: all 0.2s ease;
        }
        .qa-card:hover {
            border-color: var(--tea-accent);
            box-shadow: var(--tea-shadow-sm);
        }
        .qa-q-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--tea-primary);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
        }
        .qa-q-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            background: rgba(182, 133, 77, 0.15);
            color: var(--tea-accent);
            border-radius: 50%;
            font-size: 0.85rem;
            font-weight: bold;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .qa-a-text {
            color: var(--tea-text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
            padding-left: 38px;
            margin-bottom: 0;
        }

        /* 页脚 */
        .site-footer {
            background: #14281f;
            color: #a4b3a9;
            padding: 70px 0 30px;
            border-top: 1px solid #233b2f;
            font-size: 0.92rem;
        }
        .footer-brand {
            font-family: var(--font-serif);
            color: #ffffff;
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-desc {
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 380px;
        }
        .footer-heading {
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }
        .footer-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-nav-list li {
            margin-bottom: 10px;
        }
        .footer-nav-list a {
            color: #a4b3a9;
            transition: all 0.2s ease;
        }
        .footer-nav-list a:hover {
            color: var(--tea-accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 50px;
            padding-top: 24px;
            border-top: 1px solid #1f372b;
            font-size: 0.85rem;
            color: #7b8e81;
        }

        /* 响应式调整 */
        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.75rem;
            }
            .stats-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            }
            .stats-item:last-child {
                border-bottom: none;
            }
        }
        @media (max-width: 767.98px) {
            .site-floating-header {
                padding: 0 10px;
                top: 8px;
            }
            .site-navbar {
                padding: 8px 16px;
            }
            .hero-doc-section {
                padding: 90px 0 60px;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-search-input {
                padding: 14px 18px 14px 44px;
                font-size: 0.95rem;
            }
            .hero-search-icon {
                left: 16px;
            }
            .hero-search-btn {
                position: static;
                width: 100%;
                margin-top: 10px;
                padding: 12px 0;
            }
            .content-section {
                padding: 55px 0;
            }
        }

/* roulang page: category1 */
:root {
      --tea-primary: #1b382b;
      --tea-primary-light: #2b503f;
      --tea-accent: #b6854d;
      --tea-accent-light: #e8d7c3;
      --tea-bg-cream: #f8f6f0;
      --tea-bg-alt: #f1ede4;
      --tea-text-main: #242a26;
      --tea-text-muted: #647067;
      --tea-border: #e2ddd3;
      --tea-border-subtle: #eeebe3;
      --tea-shadow-sm: 0 2px 8px rgba(27, 56, 43, 0.05);
      --tea-shadow-md: 0 8px 24px rgba(27, 56, 43, 0.08);
      --tea-shadow-lg: 0 16px 40px rgba(27, 56, 43, 0.12);
      --tea-radius-pill: 40px;
      --tea-radius-card: 16px;
      --tea-radius-sm: 8px;
      --font-serif: 'Noto Serif SC', serif, Georgia;
      --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }
    body {
      background-color: var(--tea-bg-cream);
      color: var(--tea-text-main);
      font-family: var(--font-sans);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    h1, h2, h3, h4, .font-serif {
      font-family: var(--font-serif);
    }
    a {
      color: var(--tea-primary);
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--tea-accent);
    }
    
    /* 顶部导航 */
    .site-floating-header {
      position: sticky;
      top: 16px;
      z-index: 1040;
      padding: 0 16px;
      margin-bottom: -16px;
    }
    .site-navbar {
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--tea-border);
      border-radius: var(--tea-radius-pill);
      box-shadow: var(--tea-shadow-md);
      padding: 10px 24px;
      transition: all 0.3s ease;
    }
    .navbar-brand-text {
      font-family: var(--font-serif);
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--tea-primary);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .navbar-brand-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      background: var(--tea-primary);
      color: #fff;
      border-radius: 50%;
      font-size: 0.9rem;
    }
    .nav-link-custom {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--tea-text-main);
      padding: 8px 16px !important;
      border-radius: 20px;
      transition: all 0.2s ease;
    }
    .nav-link-custom:hover {
      color: var(--tea-accent);
      background: rgba(182, 133, 77, 0.08);
    }
    .nav-link-custom.active {
      color: var(--tea-primary);
      background: var(--tea-bg-alt);
      font-weight: 600;
    }
    .btn-nav-action {
      background: var(--tea-primary);
      color: #fff !important;
      border-radius: 20px;
      padding: 8px 20px;
      font-size: 0.9rem;
      font-weight: 500;
      border: 1px solid transparent;
      transition: all 0.25s ease;
    }
    .btn-nav-action:hover {
      background: var(--tea-accent);
      color: #fff;
      box-shadow: 0 4px 12px rgba(182, 133, 77, 0.25);
    }

    /* 样式组件 */
    .content-section {
      padding: 72px 0;
      border-bottom: 1px solid var(--tea-border-subtle);
      position: relative;
    }
    .bg-white-tea { background-color: #ffffff; }
    .bg-subtle-tea { background-color: var(--tea-bg-alt); }
    .bg-forest-tea { background-color: var(--tea-primary); color: #f7f9f8; }
    
    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--tea-accent);
      background: rgba(182, 133, 77, 0.12);
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
      border: 1px solid rgba(182, 133, 77, 0.2);
    }

    /* 开发者/控制台式 Hero */
    .dev-hero-section {
      padding: 110px 0 70px;
      background: linear-gradient(180deg, #ffffff 0%, var(--tea-bg-cream) 100%);
      border-bottom: 1px solid var(--tea-border);
    }
    .terminal-window {
      background: #111a15;
      border-radius: 12px;
      border: 1px solid #2d4537;
      box-shadow: 0 20px 40px rgba(0,0,0,0.25);
      overflow: hidden;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .terminal-header {
      background: #18261f;
      padding: 10px 16px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid #24382c;
    }
    .terminal-dot {
      width: 11px;
      height: 11px;
      border-radius: 50%;
      display: inline-block;
    }
    .dot-red { background: #ff5f56; }
    .dot-yellow { background: #ffbd2e; }
    .dot-green { background: #27c93f; }
    .terminal-body {
      padding: 20px 24px;
      color: #9ed3b6;
      font-size: 0.88rem;
      line-height: 1.6;
    }
    .terminal-code-key { color: #e5b982; }
    .terminal-code-string { color: #7ad19a; }
    .terminal-code-comment { color: #5d7e6c; }

    /* 精选卡片与展示矩阵 */
    .tea-suite-card {
      background: #ffffff;
      border-radius: var(--tea-radius-card);
      border: 1px solid var(--tea-border);
      padding: 28px;
      height: 100%;
      transition: all 0.3s ease;
      position: relative;
    }
    .tea-suite-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--tea-shadow-lg);
      border-color: var(--tea-accent);
    }
    .tea-suite-badge {
      position: absolute;
      top: 20px;
      right: 20px;
      font-size: 0.75rem;
      background: var(--tea-bg-alt);
      color: var(--tea-primary);
      padding: 4px 10px;
      border-radius: 6px;
      font-weight: 600;
    }
    .tea-prop-pill {
      font-size: 0.78rem;
      background: #f4efe6;
      color: var(--tea-text-muted);
      padding: 3px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-right: 6px;
      margin-bottom: 6px;
    }
    .param-spec-row {
      display: flex;
      justify-content: space-between;
      padding: 8px 0;
      border-bottom: 1px dashed var(--tea-border);
      font-size: 0.88rem;
    }

    /* 评测指标与筛选器 */
    .metric-bubble {
      background: #ffffff;
      border: 1px solid var(--tea-border);
      border-radius: 12px;
      padding: 20px;
      text-align: center;
      transition: all 0.25s ease;
    }
    .metric-bubble:hover {
      border-color: var(--tea-accent);
      background: #faf7f2;
    }

    /* 页脚 */
    .site-footer {
      background: #13241c;
      color: #cbd5cf;
      padding: 60px 0 30px;
      font-size: 0.92rem;
    }
    .footer-brand {
      font-family: var(--font-serif);
      font-size: 1.25rem;
      color: #ffffff;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-desc {
      color: #9cb1a5;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-heading {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 20px;
      letter-spacing: 0.05em;
    }
    .footer-nav-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-nav-list li {
      margin-bottom: 10px;
    }
    .footer-nav-list a {
      color: #9cb1a5;
    }
    .footer-nav-list a:hover {
      color: var(--tea-accent-light);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid #233b2e;
      margin-top: 50px;
      padding-top: 25px;
      color: #799485;
      font-size: 0.85rem;
    }

    /* 移动端调整 */
    @media (max-width: 991.98px) {
      .site-floating-header { top: 8px; padding: 0 10px; }
      .site-navbar { border-radius: 20px; }
      .content-section { padding: 50px 0; }
    }