/* roulang page: index */
:root {
            --bg-abyss: #0B0C10;
            --bg-panel: #14161D;
            --bg-card: #1A1D26;
            --silver-text: #E0E6ED;
            --muted-text: #9AA5B1;
            --gold-accent: #C5A880;
            --arcane-purple: #6441A5;
            --dragon-flame: #FF6B4A;
            --gold-glow: rgba(197, 168, 128, 0.25);
            --purple-glow: rgba(100, 65, 165, 0.2);
        }
        body {
            background-color: var(--bg-abyss);
            color: var(--silver-text);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-image: 
                radial-gradient(circle at 15% 20%, rgba(100, 65, 165, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 85% 65%, rgba(197, 168, 128, 0.08) 0%, transparent 45%),
                radial-gradient(circle at 50% 90%, rgba(11, 12, 16, 0.9) 0%, var(--bg-abyss) 100%);
            background-attachment: fixed;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .magic-border {
            border: 1px solid #2D3139;
            outline: 1px solid rgba(197, 168, 128, 0.2);
            box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8), 0 0 15px var(--purple-glow);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .magic-border:hover {
            border-color: var(--gold-accent);
            box-shadow: 0 14px 35px -8px rgba(0, 0, 0, 0.9), 0 0 20px var(--gold-glow);
            transform: translateY(-3px);
        }
        .gold-rune-border {
            border-left: 3px solid var(--gold-accent);
            background: linear-gradient(90deg, rgba(197, 168, 128, 0.08) 0%, transparent 100%);
        }
        .shimmer-btn {
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #C5A880 0%, #9F8259 100%);
            color: #0B0C10;
            font-weight: 700;
            transition: all 0.3s ease;
        }
        .shimmer-btn::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transform: rotate(30deg) translateX(-100%);
            transition: transform 0.75s ease-in-out;
        }
        .shimmer-btn:hover::after {
            transform: rotate(30deg) translateX(100%);
        }
        .shimmer-btn:hover {
            box-shadow: 0 0 20px rgba(197, 168, 128, 0.6);
            transform: scale(1.02);
        }
        .nav-item-active {
            color: var(--gold-accent) !important;
            position: relative;
        }
        .nav-item-active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold-accent);
            box-shadow: 0 0 8px var(--gold-accent);
        }
        .scroll-track-hide::-webkit-scrollbar {
            height: 6px;
        }
        .scroll-track-hide::-webkit-scrollbar-thumb {
            background: #2D3139;
            border-radius: 4px;
        }
        .scroll-track-hide::-webkit-scrollbar-thumb:hover {
            background: var(--gold-accent);
        }

/* roulang page: article */
:root {
            --bg-abyss: #0B0C10;
            --bg-panel: #14161D;
            --bg-card: #1A1D26;
            --silver-text: #E0E6ED;
            --muted-text: #9AA5B1;
            --gold-accent: #C5A880;
            --arcane-purple: #6441A5;
            --dragon-flame: #FF6B4A;
            --gold-glow: rgba(197, 168, 128, 0.25);
            --purple-glow: rgba(100, 65, 165, 0.2);
        }
        body {
            background-color: var(--bg-abyss);
            color: var(--silver-text);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-image: 
                radial-gradient(circle at 15% 20%, rgba(100, 65, 165, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 85% 65%, rgba(197, 168, 128, 0.08) 0%, transparent 45%),
                radial-gradient(circle at 50% 90%, rgba(11, 12, 16, 0.9) 0%, var(--bg-abyss) 100%);
            background-attachment: fixed;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .magic-border {
            border: 1px solid #2D3139;
            outline: 1px solid rgba(197, 168, 128, 0.2);
            box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8), 0 0 15px var(--purple-glow);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .magic-border:hover {
            border-color: var(--gold-accent);
            box-shadow: 0 14px 35px -8px rgba(0, 0, 0, 0.9), 0 0 20px var(--gold-glow);
            transform: translateY(-3px);
        }
        .gold-rune-border {
            border-left: 3px solid var(--gold-accent);
            background: linear-gradient(90deg, rgba(197, 168, 128, 0.08) 0%, transparent 100%);
        }
        .shimmer-btn {
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #C5A880 0%, #9F8259 100%);
            color: #0B0C10;
            font-weight: 700;
            transition: all 0.3s ease;
        }
        .shimmer-btn::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transform: rotate(30deg) translateX(-100%);
            transition: transform 0.75s ease-in-out;
        }
        .shimmer-btn:hover::after {
            transform: rotate(30deg) translateX(100%);
        }
        .shimmer-btn:hover {
            box-shadow: 0 0 20px rgba(197, 168, 128, 0.6);
            transform: scale(1.02);
        }
        .nav-item-active {
            color: var(--gold-accent) !important;
            position: relative;
        }
        .nav-item-active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold-accent);
            box-shadow: 0 0 8px var(--gold-accent);
        }
        .article-prose {
            color: #D1D5DB;
            font-size: 1.0625rem;
            line-height: 1.95;
        }
        .article-prose p {
            margin-bottom: 1.75rem;
        }
        .article-prose h2 {
            color: #E0E6ED;
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 1.25rem;
            padding-left: 0.85rem;
            border-left: 3px solid #C5A880;
        }
        .article-prose h3 {
            color: #E0E6ED;
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .article-prose blockquote {
            border-left: 3px solid #6441A5;
            background: rgba(100, 65, 165, 0.08);
            padding: 1rem 1.25rem;
            margin-bottom: 1.75rem;
            border-radius: 0 0.5rem 0.5rem 0;
            color: #C5A880;
            font-style: italic;
        }
        .article-prose ul, .article-prose ol {
            margin-bottom: 1.75rem;
            padding-left: 1.5rem;
        }
        .article-prose li {
            margin-bottom: 0.5rem;
        }
        .article-prose img {
            border-radius: 0.5rem;
            border: 1px solid #2D3139;
            margin: 2rem auto;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.7);
        }

/* roulang page: category1 */
:root {
            --bg-abyss: #0B0C10;
            --bg-panel: #14161D;
            --bg-card: #1A1D26;
            --silver-text: #E0E6ED;
            --muted-text: #9AA5B1;
            --gold-accent: #C5A880;
            --arcane-purple: #6441A5;
            --dragon-flame: #FF6B4A;
            --gold-glow: rgba(197, 168, 128, 0.25);
            --purple-glow: rgba(100, 65, 165, 0.2);
        }
        body {
            background-color: var(--bg-abyss);
            color: var(--silver-text);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-image: 
                radial-gradient(circle at 15% 20%, rgba(100, 65, 165, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 85% 65%, rgba(197, 168, 128, 0.08) 0%, transparent 45%),
                radial-gradient(circle at 50% 90%, rgba(11, 12, 16, 0.9) 0%, var(--bg-abyss) 100%);
            background-attachment: fixed;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .magic-border {
            border: 1px solid #2D3139;
            outline: 1px solid rgba(197, 168, 128, 0.2);
            box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8), 0 0 15px var(--purple-glow);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .magic-border:hover {
            border-color: var(--gold-accent);
            box-shadow: 0 14px 35px -8px rgba(0, 0, 0, 0.9), 0 0 20px var(--gold-glow);
            transform: translateY(-3px);
        }
        .gold-rune-border {
            border-left: 3px solid var(--gold-accent);
            background: linear-gradient(90deg, rgba(197, 168, 128, 0.08) 0%, transparent 100%);
        }
        .shimmer-btn {
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #C5A880 0%, #9F8259 100%);
            color: #0B0C10;
            font-weight: 700;
            transition: all 0.3s ease;
        }
        .shimmer-btn::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transform: rotate(30deg) translateX(-100%);
            transition: transform 0.75s ease-in-out;
        }
        .shimmer-btn:hover::after {
            transform: rotate(30deg) translateX(100%);
        }
        .shimmer-btn:hover {
            box-shadow: 0 0 20px rgba(197, 168, 128, 0.6);
            transform: scale(1.02);
        }
        .nav-item-active {
            color: var(--gold-accent) !important;
            position: relative;
        }
        .nav-item-active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gold-accent);
            box-shadow: 0 0 8px var(--gold-accent);
        }
        .rune-tag-active {
            background: rgba(197, 168, 128, 0.15);
            border-color: var(--gold-accent);
            color: var(--gold-accent);
            box-shadow: 0 0 10px rgba(197, 168, 128, 0.25);
        }