:root {
            --primary: #6c2bd9;
            --secondary: #a885ec;
            --accent: #fd0;
            --dark: #1a1a2e;
            --light: #f8f9fe;
            --text: #2d2d3a;
            --radius: 12px;
            --shadow: 0 8px 30px rgba(108, 43, 217, .12);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: var(--light);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: .3s;
        }
        a:hover {
            color: #4a1e9e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
        }
        .site-header {
            background: linear-gradient(135deg, #0b0b1f 0%, #1a1a3e 60%, #2d1b69 100%);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .3);
        }
        .header-inner {
            max-width: 1440px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 2rem;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -1px;
            background: linear-gradient(45deg, var(--accent), #ff6a00, #ff2dc9);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-style: italic;
            text-transform: uppercase;
            text-decoration: none;
        }
        .my-logo span {
            font-size: 1rem;
            display: block;
            color: rgba(255, 255, 255, .7);
            letter-spacing: 0;
            font-weight: 400;
            font-style: normal;
            text-transform: none;
            -webkit-background-clip: initial;
            background: none;
            background-clip: initial;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .main-nav ul {
            list-style: none;
            display: flex;
            gap: 1.2rem;
        }
        .main-nav a {
            color: #fff;
            font-weight: 500;
            padding: .4rem .6rem;
            border-radius: 6px;
            transition: all .3s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, .15);
            color: var(--accent);
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, .1);
            border-radius: 30px;
            padding: .2rem .6rem;
        }
        .nav-search input {
            background: none;
            border: none;
            color: #fff;
            padding: .4rem .6rem;
            width: 120px;
            outline: none;
            font-size: .9rem;
        }
        .nav-search button {
            background: none;
            border: none;
            color: var(--accent);
            cursor: pointer;
            font-size: 1rem;
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, .6);
        }
        .breadcrumb-wrap {
            background: rgba(0, 0, 0, .08);
            font-size: .85rem;
            padding: .4rem 0;
        }
        .breadcrumb {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 2rem;
            color: #666;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 .3rem;
            font-size: .7rem;
            color: #888;
        }
        .container {
            max-width: 1440px;
            margin: 0 auto;
            padding: 1.5rem 2rem;
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 2.5rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .article-hero {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .article-hero img {
            width: 100%;
            display: block;
            aspect-ratio: 16/7;
            object-fit: cover;
        }
        .article-hero-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 2rem;
            background: linear-gradient(transparent, rgba(0, 0, 0, .85));
            color: #fff;
        }
        .article-hero-overlay h1 {
            font-size: clamp(1.8rem, 4vw, 3rem);
            margin: 0 0 .3rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, .6);
        }
        .meta-info {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
            color: #ccc;
            font-size: .85rem;
        }
        .meta-info i {
            color: var(--accent);
        }
        .last-updated {
            background: rgba(255, 255, 255, .2);
            padding: .2rem .6rem;
            border-radius: 20px;
            font-weight: 600;
        }
        .article-body {
            background: #fff;
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow);
        }
        .article-body h2 {
            font-size: 1.8rem;
            color: var(--dark);
            margin: 2.5rem 0 1rem;
            padding-bottom: .5rem;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.3rem;
            color: var(--primary);
            margin: 2rem 0 .8rem;
        }
        .article-body h4 {
            font-size: 1.05rem;
            color: #4a4a5e;
            margin: 1.4rem 0 .5rem;
            font-weight: 700;
        }
        .article-body p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .article-body ul,
        .article-body ol {
            margin: 1rem 0 1.2rem 1.8rem;
        }
        .article-body li {
            margin-bottom: .5rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f3ecff, #e8dfff);
            border-left: 4px solid var(--primary);
            padding: 1.2rem 1.5rem;
            border-radius: 8px;
            margin: 1.8rem 0;
        }
        .info-box {
            background: #f0f7ff;
            border-left: 4px solid #2d88ff;
            padding: 1.2rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .warning-box {
            background: #fff5f0;
            border-left: 4px solid #ff6d00;
            padding: 1.2rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .tip-box {
            background: #f0fff4;
            border-left: 4px solid #00c853;
            padding: 1rem 1.2rem;
            border-radius: 8px;
            margin: 1.2rem 0;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: .9rem;
        }
        .comparison-table th,
        .comparison-table td {
            padding: .7rem;
            border: 1px solid #ddd;
            text-align: left;
        }
        .comparison-table th {
            background: var(--primary);
            color: #fff;
        }
        .comparison-table tr:nth-child(even) {
            background: #f8f8fc;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 1.5rem;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 1rem;
            padding-bottom: .4rem;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .sidebar-list {
            list-style: none;
        }
        .sidebar-list li {
            margin-bottom: .6rem;
            font-size: .9rem;
        }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: .5rem;
        }
        .sidebar-list a::before {
            content: "→";
            color: var(--accent);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: .4rem;
        }
        .tag-cloud a {
            background: #f0ecf9;
            padding: .3rem .7rem;
            border-radius: 20px;
            font-size: .8rem;
        }
        .interaction-section {
            background: #fff;
            border-radius: var(--radius);
            padding: 1.5rem 2rem;
            margin-top: 2.5rem;
            box-shadow: var(--shadow);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 2rem;
            margin: 1.5rem 0;
        }
        .interaction-box {
            background: #faf9ff;
            border-radius: 10px;
            padding: 1.2rem;
            text-align: center;
        }
        .interaction-box h4 {
            margin-bottom: .8rem;
            color: var(--primary);
        }
        .interaction-box input,
        .interaction-box textarea {
            width: 100%;
            padding: .6rem;
            margin: .4rem 0;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: .9rem;
        }
        .interaction-box textarea {
            height: 80px;
        }
        .btn {
            background: linear-gradient(45deg, var(--primary), #9b4dff);
            color: #fff;
            padding: .7rem 1.4rem;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: all .3s;
            display: inline-block;
        }
        .btn:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 6px 18px rgba(108, 43, 217, .3);
        }
        .star-rating {
            direction: rtl;
            unicode-bidi: bidi-override;
            color: #ccc;
            font-size: 1.6rem;
            text-align: center;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            display: inline-block;
            cursor: pointer;
            color: #ccc;
            padding: 0 .1rem;
        }
        .star-rating:hover label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .site-footer {
            background: var(--dark);
            color: #aaa;
            padding: 2.5rem 2rem 1rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1440px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-links a {
            color: #ccc;
            font-size: .9rem;
        }
        .footer-copyright {
            grid-column: 1/-1;
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 1.2rem;
            text-align: center;
            font-size: .85rem;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, .05);
            border-radius: 8px;
            padding: 1rem;
            margin: 1rem 0;
        }
        friend-link a {
            color: #a885ec;
            margin-right: 1rem;
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
                padding: 1rem;
            }
            .header-inner {
                padding: .8rem 1rem;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: .8rem 0;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav ul {
                flex-direction: column;
                width: 100%;
            }
            .main-nav ul li a {
                display: block;
                padding: .7rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-search {
                width: 100%;
                margin-top: .6rem;
            }
            .article-body {
                padding: 1rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 600px) {
            .breadcrumb {
                padding: 0 1rem;
                font-size: .75rem;
            }
            .article-hero-overlay {
                padding: 1rem;
            }
            .article-hero-overlay h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }