*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a3c2e;
            --primary-light: #2a5a44;
            --accent: #d4a843;
            --accent-light: #f0d080;
            --bg: #f9f6f0;
            --bg-card: #ffffff;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --border: #dcd4c4;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: 0.3s ease;
            --font: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: #fff;
            padding: 0 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }
        .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: 2rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--accent);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: transform var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: var(--accent-light);
        }
        .my-logo i {
            font-size: 2.2rem;
            color: #fff;
        }
        .my-logo span {
            font-weight: 300;
            color: #fff;
            font-size: 1rem;
            margin-left: 4px;
        }
        .nav-links {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
            list-style: none;
        }
        .nav-links li a {
            color: #f0ede8;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            background: var(--accent);
            color: var(--primary);
            text-decoration: none;
        }
        .nav-links li a.active {
            background: var(--accent);
            color: var(--primary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 10px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-light);
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        main {
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-main {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 40px 36px;
            box-shadow: var(--shadow);
        }
        .content-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 16px;
            border-left: 6px solid var(--accent);
            padding-left: 20px;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 6px;
            border-bottom: 2px solid var(--border);
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 400;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .highlight {
            background: #fdf6e3;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .feature-image {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #e8e2d6;
        }
        .feature-image img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-image figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: var(--text-light);
            background: #f4efe8;
            font-style: italic;
        }
        .link-list {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .link-list h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: var(--primary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        .link-list ul {
            list-style: none;
            padding: 0;
        }
        .link-list ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .link-list ul li:last-child {
            border-bottom: none;
        }
        .link-list ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list ul li a i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }
        .search-box {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .search-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: var(--primary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border var(--transition);
            background: var(--bg);
        }
        .search-form input:focus {
            border-color: var(--accent);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 12px 20px;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .comment-section,
        .rating-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .comment-section h2,
        .rating-section h2 {
            margin-top: 0;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            font-family: var(--font);
            margin-bottom: 12px;
            outline: none;
            transition: border var(--transition);
            background: var(--bg);
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: var(--accent);
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 12px 32px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: var(--primary-light);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            margin-bottom: 16px;
            cursor: pointer;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .rating-stars i {
            color: #ddd;
            transition: color 0.2s;
        }
        .rating-stars i.active,
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: var(--accent);
        }
        .rating-form label {
            font-weight: 600;
            display: block;
            margin-bottom: 6px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: var(--primary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        footer {
            background: var(--primary);
            color: #e8e2d6;
            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: 16px;
            margin-top: 0;
        }
        .footer-inner p,
        .footer-inner a {
            color: #d0ccc4;
            font-size: 0.95rem;
        }
        .footer-inner a:hover {
            color: var(--accent-light);
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
            margin-bottom: 6px;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 0.9rem;
            transition: background var(--transition);
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.14);
        }
        .copyright {
            max-width: 1200px;
            margin: 20px auto 0;
            text-align: center;
            font-size: 0.9rem;
            color: #aaa89e;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .copyright strong {
            color: var(--accent);
        }
        .last-updated {
            display: inline-block;
            background: var(--bg);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 20px;
            border: 1px solid var(--border);
        }
        .last-updated i {
            margin-right: 6px;
            color: var(--accent);
        }
        .toc {
            background: #f4efe8;
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 24px 0 32px;
            border-left: 4px solid var(--accent);
        }
        .toc h3 {
            margin-top: 0;
            font-size: 1.1rem;
        }
        .toc ol {
            padding-left: 20px;
            columns: 2;
            column-gap: 32px;
        }
        .toc ol li {
            margin-bottom: 6px;
            font-size: 0.95rem;
        }
        .toc ol li a {
            color: var(--primary-light);
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                order: -1;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .toc ol {
                columns: 1;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .my-logo span {
                font-size: 0.8rem;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--primary-light);
                padding: 16px 12px;
                border-radius: 0 0 var(--radius) var(--radius);
                margin-top: 10px;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 10px 16px;
                width: 100%;
                border-radius: 8px;
            }
            .content-main {
                padding: 24px 18px;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 14px;
            }
            h2 {
                font-size: 1.4rem;
                margin-top: 32px;
            }
            h3 {
                font-size: 1.15rem;
            }
            .content-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .search-form {
                flex-direction: column;
            }
            .toc ol {
                columns: 1;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .content-main {
                padding: 18px 14px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
        }
        .text-accent {
            color: var(--accent);
        }
        .bg-soft {
            background: #f4efe8;
            padding: 20px 24px;
            border-radius: var(--radius);
            margin: 20px 0;
        }
        .flex-icon-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }
        .flex-icon-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        .flex-icon-list li i {
            color: var(--accent);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-card {
            background: var(--bg);
            border-radius: 10px;
            padding: 18px 14px;
            text-align: center;
            border: 1px solid var(--border);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s forwards;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }