* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2d5a27;
            --primary-light: #4a8b42;
            --primary-dark: #1a3a18;
            --secondary: #f5c542;
            --secondary-light: #ffd966;
            --accent: #e8772e;
            --bg: #f9f7f0;
            --bg-card: #ffffff;
            --text: #1e2a1e;
            --text-light: #4a5a4a;
            --border: #d4cfc0;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 16px;
            --radius-sm: 8px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 80px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 17px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary-dark);
            margin-top: 1.6em;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 0.2em;
            margin-bottom: 0.3em;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 0.25em;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary);
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text);
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2em;
            color: var(--text);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            padding: 0 20px;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            text-decoration: none;
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            color: var(--secondary-light);
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 400;
        }
        .my-logo .logo-icon {
            font-size: 2rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        .main-nav a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: #fff;
            border-radius: 4px;
            transition: 0.3s;
        }
        .nav-toggle {
            display: none;
        }
        .nav-overlay {
            display: none;
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 14px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb .current {
            color: var(--text-light);
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            padding: 60px 20px 50px;
            text-align: center;
        }
        .hero h1 {
            color: var(--secondary);
            font-size: 3.2rem;
            margin: 0 0 0.25em;
        }
        .hero p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.2rem;
            max-width: 720px;
            margin: 0 auto 0.5em;
        }
        .hero .last-updated {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--secondary-light);
            margin-top: 16px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            max-width: var(--max-width);
            margin: 40px auto;
            padding: 0 20px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-height) + 20px);
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 16px;
            color: var(--primary-dark);
        }
        .sidebar-link-list {
            list-style: none;
        }
        .sidebar-link-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 36px;
            box-shadow: var(--shadow);
            margin-bottom: 32px;
            border: 1px solid var(--border);
        }
        .section-card h2 {
            margin-top: 0;
        }
        .featured-image {
            margin: 24px 0 32px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #e8e4d8;
            text-align: center;
        }
        .featured-image img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: var(--text-light);
            background: #f0ede4;
            font-style: italic;
        }
        .search-form {
            display: flex;
            gap: 12px;
            margin: 20px 0;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .comment-section,
        .rating-section {
            margin-top: 32px;
            padding-top: 28px;
            border-top: 2px solid var(--border);
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-family: var(--font);
            margin-bottom: 16px;
            resize: vertical;
            background: #fff;
            transition: border 0.2s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: var(--primary-light);
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
        }
        .comment-form button,
        .rating-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: var(--primary-light);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2.2rem;
            cursor: pointer;
            margin-bottom: 16px;
            color: #ccc;
            user-select: none;
        }
        .rating-stars .star.active {
            color: var(--secondary);
        }
        .rating-stars .star:hover {
            color: var(--secondary-light);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 20px 32px;
            margin-top: 60px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .site-footer h4 {
            color: var(--secondary);
            margin-top: 0;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
        }
        .site-footer a:hover {
            color: var(--secondary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            padding: 4px 0;
        }
        friend-link {
            display: block;
            padding: 12px 0;
        }
        friend-link a {
            display: inline-block;
            margin-right: 20px;
            margin-bottom: 6px;
            padding: 4px 0;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        .copyright {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            grid-column: 1/-1;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 68px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .section-card {
                padding: 20px 18px;
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--primary-dark);
                flex-direction: column;
                padding: 24px 28px;
                gap: 16px;
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
                border-radius: 0 0 var(--radius) var(--radius);
                z-index: 99;
                align-items: stretch;
            }
            .nav-toggle:checked~.main-nav {
                transform: translateY(0);
            }
            .nav-toggle:checked~.nav-overlay {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.3);
                z-index: 98;
                top: var(--header-height);
            }
            .main-nav a {
                font-size: 1.1rem;
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .search-form button {
                width: 100%;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .rating-stars {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo .logo-icon {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .section-card {
                padding: 16px 14px;
            }
            .breadcrumb ol {
                padding: 0 12px;
                font-size: 0.8rem;
            }
            .container {
                padding: 0 12px;
            }
            body {
                font-size: 16px;
            }
        }
        .highlight {
            background: linear-gradient(to right, var(--secondary-light), var(--secondary));
            padding: 0 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4em;
            display: inline-block;
        }
        .btn-outline {
            display: inline-block;
            padding: 10px 24px;
            border: 2px solid var(--primary);
            border-radius: 50px;
            color: var(--primary);
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .tag {
            display: inline-block;
            background: var(--secondary-light);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-dark);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0 24px;
            font-size: 0.95rem;
        }
        .data-table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
        }
        .data-table tr:nth-child(even) {
            background: #f6f4ec;
        }
        .data-table tr:hover {
            background: #efeade;
        }
        blockquote {
            border-left: 5px solid var(--secondary);
            padding: 16px 24px;
            margin: 24px 0;
            background: #f6f4ec;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        blockquote strong {
            color: var(--primary-dark);
        }
        .pro-tip {
            background: #e8f5e9;
            border-left: 5px solid var(--primary-light);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
        }
        .pro-tip::before {
            content: "💡 Pro Tip: ";
            font-weight: 700;
            color: var(--primary-dark);
        }