/* roulang page: index */
:root {
            --brand-primary: #f43f5e;
            --brand-secondary: #8b5cf6;
            --brand-accent: #10b981;
            --bg-light: #fafaf9;
            --text-dark: #0f172a;
            --text-muted: #475569;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
        }
        .text-gradient {
            background: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .btn-gradient {
            background: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 100%);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-gradient:hover {
            opacity: 0.95;
            box-shadow: 0 10px 25px -5px rgba(244, 63, 94, 0.4);
            transform: translateY(-1px);
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(244, 63, 94, 0.1);
        }

/* roulang page: article */
:root {
            --brand-primary: #f43f5e;
            --brand-secondary: #8b5cf6;
            --brand-accent: #10b981;
            --bg-light: #fafaf9;
            --text-dark: #0f172a;
            --text-muted: #475569;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
        }
        .text-gradient {
            background: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .btn-gradient {
            background: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 100%);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-gradient:hover {
            opacity: 0.95;
            box-shadow: 0 10px 25px -5px rgba(244, 63, 94, 0.4);
            transform: translateY(-1px);
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(244, 63, 94, 0.1);
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: #334155;
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #0f172a;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-left: 0.75rem;
            border-left: 4px solid var(--brand-primary);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #1e293b;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }
        .article-content p {
            margin-bottom: 1.25rem;
        }
        .article-content blockquote {
            border-left: 4px solid #cbd5e1;
            padding-left: 1rem;
            margin: 1.5rem 0;
            color: #64748b;
            background: #f8fafc;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
            border-radius: 0 0.5rem 0.5rem 0;
        }
        .article-content img {
            border-radius: 0.75rem;
            margin: 1.5rem auto;
            max-width: 100%;
            height: auto;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }
        .article-content ul, .article-content ol {
            padding-left: 1.5rem;
            margin-bottom: 1.25rem;
        }
        .article-content ul li {
            list-style-type: disc;
            margin-bottom: 0.4rem;
        }
        .article-content ol li {
            list-style-type: decimal;
            margin-bottom: 0.4rem;
        }

/* roulang page: category1 */
:root {
            --brand-primary: #f43f5e;
            --brand-secondary: #8b5cf6;
            --brand-accent: #10b981;
            --bg-light: #fafaf9;
            --text-dark: #0f172a;
            --text-muted: #475569;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
        }
        .text-gradient {
            background: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .btn-gradient {
            background: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 100%);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .btn-gradient:hover {
            opacity: 0.95;
            box-shadow: 0 10px 25px -5px rgba(244, 63, 94, 0.4);
            transform: translateY(-1px);
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(244, 63, 94, 0.1);
        }
        .clip-diagonal {
            clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4vw), 0 100%);
        }
        .tag-active {
            background-color: #f43f5e;
            color: #ffffff;
        }
        .filter-btn {
            transition: all 0.2s ease-in-out;
        }
        .filter-btn:hover {
            border-color: #f43f5e;
            color: #f43f5e;
        }