/* roulang page: index */
:root {
            --primary: #C28E00;
            --primary-hover: #A16207;
            --dark-bg: #0F172A;
            --body-text: #334155;
            --heading-text: #0F172A;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--body-text);
            background-color: #F9FAFB;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .hero-pattern {
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 41, 59, 0.92) 100%), url('/assets/images/881b22b8cba7fe9a.webp');
            background-size: cover;
            background-position: center;
        }
        .banner-pattern {
            background-image: linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.85) 100%), url('/assets/images/15431b18c6a1d937.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-pattern {
            background-image: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
        }
        .nav-active {
            color: #C28E00;
            position: relative;
            font-weight: 700;
        }
        .nav-active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #C28E00;
            border-radius: 9999px;
        }

/* roulang page: category1 */
:root {
            --primary: #C28E00;
            --primary-hover: #A16207;
            --dark-bg: #0F172A;
            --body-text: #334155;
            --heading-text: #0F172A;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--body-text);
            background-color: #F9FAFB;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .hero-pattern {
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 41, 59, 0.92) 100%), url('/assets/images/881b22b8cba7fe9a.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-pattern {
            background-image: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
        }
        .nav-active {
            color: #C28E00;
            position: relative;
            font-weight: 700;
        }
        .nav-active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #C28E00;
            border-radius: 9999px;
        }

/* roulang page: article */
:root {
            --primary: #C28E00;
            --primary-hover: #A16207;
            --dark-bg: #0F172A;
            --body-text: #334155;
            --heading-text: #0F172A;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--body-text);
            background-color: #F9FAFB;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .hero-pattern {
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 41, 59, 0.92) 100%), url('/assets/images/881b22b8cba7fe9a.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-pattern {
            background-image: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
        }
        .nav-active {
            color: #C28E00;
            position: relative;
            font-weight: 700;
        }
        .nav-active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #C28E00;
            border-radius: 9999px;
        }
        .article-content {
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
            font-size: 1.0625rem;
            color: #334155;
            line-height: 1.85;
        }
        .article-content p {
            margin-bottom: 1.35rem;
            text-align: justify;
        }
        .article-content h2 {
            font-size: 1.65rem;
            font-weight: 700;
            color: #0F172A;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #FEF3C7;
            position: relative;
        }
        .article-content h2::before {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 42px;
            height: 2px;
            background-color: #C28E00;
        }
        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #0F172A;
            margin-top: 2rem;
            margin-bottom: 0.85rem;
        }
        .article-content blockquote {
            background-color: #FFFBEB;
            border-left: 4px solid #C28E00;
            padding: 1.15rem 1.4rem;
            margin: 1.75rem 0;
            border-radius: 0 0.75rem 0.75rem 0;
            color: #78350F;
            font-style: normal;
        }
        .article-content ul, .article-content ol {
            margin: 1.25rem 0 1.5rem 1.5rem;
            padding-left: 0.5rem;
        }
        .article-content ul li {
            list-style-type: disc;
            margin-bottom: 0.5rem;
        }
        .article-content ol li {
            list-style-type: decimal;
            margin-bottom: 0.5rem;
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 0.75rem;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.06);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            font-size: 0.95rem;
        }
        .article-content th, .article-content td {
            border: 1px solid #E2E8F0;
            padding: 0.75rem 1rem;
            text-align: left;
        }
        .article-content th {
            background-color: #F8FAFC;
            color: #0F172A;
            font-weight: 600;
        }