*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a3c5e;
            --primary-light: #2a5a7a;
            --secondary: #d4a843;
            --accent: #e8c76a;
            --bg: #f9f7f0;
            --bg-card: #ffffff;
            --text: #1e1e1e;
            --text-light: #4a4a4a;
            --border: #d6d0c4;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 6px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            transition: transform var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: var(--accent);
        }
        .my-logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .my-logo span {
            font-weight: 300;
            font-size: 0.65rem;
            display: block;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 2px;
            margin-top: -4px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 4px;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.9);
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.15);
            color: var(--accent);
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 10px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-light);
        }
        .breadcrumb li+li::before {
            content: '›';
            color: var(--border);
            font-size: 1.2rem;
            margin-right: 4px;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 40px 44px;
            box-shadow: var(--shadow);
        }
        .content-body h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 12px;
            border-left: 6px solid var(--secondary);
            padding-left: 20px;
        }
        .content-body .meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }
        .content-body .meta-bar i {
            margin-right: 6px;
            color: var(--secondary);
        }
        .content-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
        }
        .content-body h3 {
            font-size: 1.45rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .content-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .content-body p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .content-body ul,
        .content-body ol {
            margin: 16px 0 20px 24px;
        }
        .content-body li {
            margin-bottom: 8px;
        }
        .content-body .highlight-box {
            background: #f0efe8;
            border-left: 5px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 0 10px 10px 0;
            margin: 24px 0;
        }
        .content-body .highlight-box strong {
            color: var(--primary);
        }
        .content-body .feature-img {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .content-body .feature-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .content-body .feature-img figcaption {
            background: var(--bg);
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            text-align: center;
            font-style: italic;
        }
        .btn {
            display: inline-block;
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 60, 94, 0.3);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--secondary);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: var(--text);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition), padding-left var(--transition);
        }
        .sidebar-card ul li a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .sidebar-card ul li a i {
            color: var(--secondary);
            font-size: 0.8rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: border var(--transition);
            background: var(--bg);
        }
        .search-form input:focus {
            border-color: var(--secondary);
        }
        .search-form button {
            padding: 10px 18px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: background var(--transition);
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .comment-section,
        .rating-section {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 2px solid var(--border);
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .comment-section h3 i,
        .rating-section h3 i {
            color: var(--secondary);
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border var(--transition);
            background: var(--bg);
            margin-bottom: 12px;
            resize: vertical;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: var(--secondary);
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: var(--border);
            cursor: pointer;
            margin: 8px 0 16px;
            transition: color var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--secondary);
        }
        .rating-stars i {
            transition: color var(--transition), transform var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.15);
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.9);
            padding: 40px 20px 20px;
            margin-top: 60px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-inner h4 {
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-inner p,
        .footer-inner li {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-inner ul li {
            padding: 4px 0;
        }
        .footer-inner ul li a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }
        .footer-inner ul li a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            margin-top: 12px;
        }
        friend-link a {
            color: rgba(255, 255, 255, 0.75);
            display: inline-block;
            padding: 4px 0;
            transition: color var(--transition);
        }
        friend-link a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 20px auto 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom strong {
            color: rgba(255, 255, 255, 0.9);
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 12px 0 8px;
                gap: 2px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 10px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                width: 100%;
                border-radius: 6px;
            }
            .content-body {
                padding: 24px 18px;
            }
            .content-body h1 {
                font-size: 1.8rem;
                padding-left: 14px;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 8px 16px;
            }
        }
        @media (max-width: 480px) {
            .content-body {
                padding: 16px 12px;
            }
            .content-body h1 {
                font-size: 1.5rem;
            }
            .content-body h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-right: 4px;
        }
        :target {
            scroll-margin-top: 80px;
        }