/* roulang page: index */
:root {
            --bg-main: #060d0a;
            --bg-card: #0d1713;
            --bg-card-hover: #13221b;
            --primary: #10b981;
            --primary-dark: #059669;
            --accent-glow: rgba(16, 185, 129, 0.22);
            --border-color: #1a2e24;
            --text-sub: #9ca3af;
        }

        body {
            background-color: var(--bg-main);
            color: #f3f4f6;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }

        /* 顶部柔和绿色极光氛围光 */
        .aurora-bg {
            background: radial-gradient(circle at 50% -10%, rgba(16, 185, 129, 0.28) 0%, rgba(6, 13, 10, 0.95) 60%, var(--bg-main) 100%);
        }

        .custom-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .custom-card:hover {
            background-color: var(--bg-card-hover);
            border-color: rgba(16, 185, 129, 0.4);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 0 15px 0 var(--accent-glow);
        }

        /* 渐变海报卡片背景底色 */
        .poster-gradient-1 { background: linear-gradient(135deg, #10b981 0%, #047857 100%); }
        .poster-gradient-2 { background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); }
        .poster-gradient-3 { background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%); }
        .poster-gradient-4 { background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%); }
        .poster-gradient-5 { background: linear-gradient(135deg, #ec4899 0%, #be185d 100%); }
        .poster-gradient-6 { background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%); }

        /* 细节徽标 */
        .badge-tag {
            background-color: rgba(16, 185, 129, 0.15);
            border: 1px solid rgba(16, 185, 129, 0.3);
            color: #34d399;
        }

        /* FAQ手风琴样式 */
        details summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary .faq-arrow {
            transform: rotate(180deg);
        }

/* roulang page: article */
:root {
            --bg-main: #060d0a;
            --bg-card: #0d1713;
            --bg-card-hover: #13221b;
            --primary: #10b981;
            --primary-dark: #059669;
            --accent-glow: rgba(16, 185, 129, 0.22);
            --border-color: #1a2e24;
            --text-sub: #9ca3af;
        }
        body {
            background-color: var(--bg-main);
            color: #f3f4f6;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }
        .aurora-bg {
            background: radial-gradient(circle at 50% -10%, rgba(16, 185, 129, 0.28) 0%, rgba(6, 13, 10, 0.95) 60%, var(--bg-main) 100%);
        }
        .custom-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .custom-card:hover {
            background-color: var(--bg-card-hover);
            border-color: rgba(16, 185, 129, 0.4);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 0 15px 0 var(--accent-glow);
        }
        .badge-tag {
            background-color: rgba(16, 185, 129, 0.15);
            border: 1px solid rgba(16, 185, 129, 0.3);
            color: #34d399;
        }
        .article-body {
            color: #d1d5db;
            line-height: 1.85;
            font-size: 1.05rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
        }
        .article-body h2 {
            font-size: 1.45rem;
            color: #f9fafb;
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--primary);
            padding-left: 0.75rem;
        }
        .article-body h3 {
            font-size: 1.25rem;
            color: #e5e7eb;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.5rem;
            list-style-type: disc;
        }
        .article-body blockquote {
            border-left: 3px solid #10b981;
            padding: 0.75rem 1.25rem;
            background: rgba(16, 185, 129, 0.05);
            color: #9ca3af;
            border-radius: 0 0.5rem 0.5rem 0;
            margin-bottom: 1.5rem;
            font-style: italic;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 0.75rem;
            margin: 1.5rem auto;
            border: 1px solid var(--border-color);
        }

/* roulang page: category1 */
:root {
            --bg-main: #060d0a;
            --bg-card: #0d1713;
            --bg-card-hover: #13221b;
            --primary: #10b981;
            --primary-dark: #059669;
            --accent-glow: rgba(16, 185, 129, 0.22);
            --border-color: #1a2e24;
            --text-sub: #9ca3af;
        }
        body {
            background-color: var(--bg-main);
            color: #f3f4f6;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }
        .aurora-bg {
            background: radial-gradient(circle at 50% -10%, rgba(16, 185, 129, 0.28) 0%, rgba(6, 13, 10, 0.95) 60%, var(--bg-main) 100%);
        }
        .custom-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .custom-card:hover {
            background-color: var(--bg-card-hover);
            border-color: rgba(16, 185, 129, 0.4);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 0 15px 0 var(--accent-glow);
        }
        .badge-tag {
            background-color: rgba(16, 185, 129, 0.15);
            border: 1px solid rgba(16, 185, 129, 0.3);
            color: #34d399;
        }
        details summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary .faq-arrow {
            transform: rotate(180deg);
        }