:root {
            --primary: #1D7BFF;
            --primary-glow: rgba(29, 123, 255, 0.3);
            --dark-ink: #0A1128;
            --dark-accent: #1C2541;
            --silver-white: #F4F7FC;
            --glacier-gray: #E2E8F0;
            --text-main: #1C2541;
            --text-muted: #62718A;
            --white: #FFFFFF;
            --glass-bg: rgba(255, 255, 255, 0.85);
            --glass-border: rgba(29, 123, 255, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: var(--silver-white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(244, 247, 252, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--glass-border);
            padding: 15px 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo img {
            display: block;
            height: 40px;
            width: auto;
            max-width: 160px;
            object-fit: contain;
            flex-shrink: 0;
        }

        .logo span {
            display: inline-block;
            font-size: 18px;
            font-weight: 800;
            line-height: 1;
            color: var(--dark-ink);
            white-space: nowrap;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 30px;
            list-style: none;
        }

        .nav-list a {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }

        .nav-list a:hover {
            color: var(--primary);
        }

        
        .menu-trigger {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark-ink);
        }

        
        .drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 300px;
            height: 100vh;
            background: var(--dark-ink);
            color: var(--white);
            z-index: 2000;
            transition: var(--transition);
            padding: 30px 20px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .drawer.active {
            left: 0;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .drawer-header .logo span {
            color: var(--white);
        }

        .drawer-close {
            background: none;
            border: none;
            font-size: 28px;
            color: var(--white);
            cursor: pointer;
        }

        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1999;
            display: none;
        }

        .drawer-overlay.active {
            display: block;
        }

        
        .breadcrumbs-bar {
            background: var(--white);
            padding: 15px 0;
            border-bottom: 1px solid var(--glacier-gray);
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumbs-bar a:hover {
            color: var(--primary);
        }

        
        .article-wrap {
            padding: 60px 0 100px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: 2.8fr 1.2fr;
            gap: 40px;
        }

        .article-main {
            background: var(--white);
            border-radius: 20px;
            border: 1px solid var(--glacier-gray);
            padding: 40px;
        }

        .article-header {
            border-bottom: 1px solid var(--glacier-gray);
            padding-bottom: 30px;
            margin-bottom: 30px;
        }

        .art-meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 15px;
        }

        .article-title-h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--dark-ink);
            line-height: 1.3;
        }

        .article-body-content {
            font-size: 16px;
            line-height: 1.8;
            color: var(--dark-accent);
        }

        .article-body-content p {
            margin-bottom: 24px;
        }

        .article-body-content img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 20px 0;
        }

        
        .article-adjacent-nav {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid var(--glacier-gray);
            display: flex;
            justify-content: space-between;
            gap: 20px;
        }

        .adj-box {
            width: 50%;
            padding: 15px;
            background: var(--silver-white);
            border-radius: 10px;
            border: 1px solid var(--glacier-gray);
        }

        .adj-lbl {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 5px;
        }

        .adj-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark-ink);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .adj-link:hover {
            color: var(--primary);
        }

        
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .widget {
            background: var(--white);
            border-radius: 16px;
            border: 1px solid var(--glacier-gray);
            padding: 24px;
        }

        .widget-title {
            font-size: 16px;
            font-weight: 800;
            color: var(--dark-ink);
            padding-left: 12px;
            border-left: 4px solid var(--primary);
            margin-bottom: 20px;
        }

        .widget-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .widget-item {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .widget-num {
            width: 24px;
            height: 24px;
            background: var(--silver-white);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--text-muted);
        }

        .widget-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .widget-link:hover {
            color: var(--primary);
        }

        
        .related-wrap {
            margin-top: 60px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 25px;
        }

        .rel-card {
            background: var(--white);
            border: 1px solid var(--glacier-gray);
            border-radius: 12px;
            padding: 20px;
            transition: var(--transition);
        }

        .rel-card:hover {
            border-color: var(--primary);
        }

        .rel-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .rel-time {
            font-size: 12px;
            color: var(--text-muted);
        }

        
        .footer {
            background: var(--dark-ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 80px 0 40px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand .logo span {
            color: var(--white);
        }

        .footer-brand p {
            margin-top: 15px;
            line-height: 1.6;
        }

        .footer-title {
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        @media (max-width: 992px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
            }
            .menu-trigger {
                display: block;
            }
            .article-main {
                padding: 20px;
            }
            .article-adjacent-nav {
                flex-direction: column;
            }
            .adj-box {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }