*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #2e7d32;
            --primary-dark: #1b5e20;
            --primary-light: #4caf50;
            --secondary: #f57c00;
            --accent: #8bc34a;
            --bg: #f1f8e9;
            --bg-card: #ffffff;
            --text: #1a1a1a;
            --text-light: #555;
            --border: #c8e6c9;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: 0.25s ease;
            --font: 'Segoe UI', 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;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1b5e20 0%, #2e7d32 50%, #388e3c 100%);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: #ffd54f;
            text-decoration: none;
            transform: scale(1.02);
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #ffd54f;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.8;
            display: block;
            line-height: 1.2;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px 16px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e8f5e9;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.95rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: transparent;
            padding: 10px 0 4px;
            font-size: 0.88rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 4px 10px;
            list-style: none;
        }
        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: #999;
            font-weight: 700;
        }
        .breadcrumb a {
            color: var(--primary-dark);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        main {
            flex: 1;
            padding: 20px 0 40px;
        }
        .hero {
            background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
            border-radius: var(--radius);
            padding: 32px 28px;
            margin-bottom: 32px;
            border-left: 6px solid var(--primary);
            box-shadow: var(--shadow);
        }
        .hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero h1 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .hero p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 800px;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            margin-top: 16px;
            font-size: 0.92rem;
            color: #444;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: var(--primary);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
        }
        .content-main {
            min-width: 0;
        }
        .content-side {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .section-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            margin-bottom: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .section-card:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
        }
        h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-top: 0.5em;
            margin-bottom: 0.5em;
            padding-bottom: 6px;
            border-bottom: 3px solid var(--accent);
        }
        h2 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #2e2e2e;
            margin-top: 1.2em;
            margin-bottom: 0.4em;
        }
        h3 i {
            color: var(--primary-light);
            margin-right: 8px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #333;
            margin-top: 0.8em;
            margin-bottom: 0.3em;
        }
        p {
            margin-bottom: 1em;
            color: #2a2a2a;
        }
        .highlight {
            background: #fff8e1;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .insight-box {
            background: #e3f2fd;
            border-left: 5px solid #1e88e5;
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.2em 0;
        }
        .insight-box strong {
            color: #0d47a1;
        }
        .tip-box {
            background: #f1f8e9;
            border-left: 5px solid var(--primary-light);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.2em 0;
        }
        .featured-img {
            margin: 1.5em 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #e8e8e8;
        }
        .featured-img img {
            width: 100%;
            min-height: 200px;
            object-fit: cover;
            background: #c8e6c9;
        }
        .featured-img figcaption {
            padding: 10px 16px;
            font-size: 0.9rem;
            color: var(--text-light);
            background: #f9f9f9;
            border-top: 1px solid var(--border);
        }
        ul,
        ol {
            padding-left: 1.6em;
            margin-bottom: 1.2em;
        }
        li {
            margin-bottom: 0.3em;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2em 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.05);
        }
        th,
        td {
            padding: 12px 14px;
            text-align: left;
            border-bottom: 1px solid #e0e0e0;
        }
        th {
            background: var(--primary-dark);
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f9f9f9;
        }
        tr:hover {
            background: #e8f5e9;
        }
        .sidebar-box {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px 18px;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-box h3 {
            font-size: 1.15rem;
            margin-top: 0;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 6px;
        }
        .sidebar-box ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-box ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar-box ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        .sidebar-box ul li a i {
            color: var(--secondary);
            font-size: 0.85rem;
            width: 18px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 1em 0;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .comment-box,
        .rating-box {
            margin-top: 1.2em;
        }
        .comment-box textarea,
        .rating-box select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-family: var(--font);
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            transition: var(--transition);
            background: #fff;
        }
        .comment-box textarea:focus,
        .rating-box select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.12);
        }
        .rating-box select {
            min-height: auto;
            width: auto;
            min-width: 160px;
        }
        .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 8px;
        }
        .btn-submit:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        friend-link {
            display: block;
            padding: 16px 20px;
            background: #f5f5f5;
            border-radius: var(--radius);
            border: 1px solid #ddd;
            margin: 16px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            font-weight: 500;
        }
        friend-link a i {
            margin-right: 4px;
            font-size: 0.8rem;
        }
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 28px 0 20px;
            font-size: 0.9rem;
            margin-top: 20px;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 16px;
        }
        .site-footer a {
            color: #a5d6a7;
        }
        .site-footer a:hover {
            color: #ffd54f;
        }
        .copyright {
            width: 100%;
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid #333;
            margin-top: 8px;
            font-size: 0.85rem;
            color: #999;
        }
        @media (max-width: 900px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .content-side {
                position: static;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(0, 0, 0, 0.15);
                padding: 12px 8px;
                border-radius: 8px;
                margin-top: 6px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 14px;
                border-radius: 6px;
            }
            .hero {
                padding: 20px 16px;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .section-card {
                padding: 18px 14px;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .site-footer .container {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.2rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .section-card {
                padding: 14px 10px;
            }
            table {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 8px 6px;
            }
        }
        .nav-menu {
            transition: max-height 0.3s ease, opacity 0.25s ease;
        }
        @media (max-width: 768px) {
            .nav-menu {
                max-height: 0;
                opacity: 0;
                overflow: hidden;
                padding: 0 8px;
            }
            .nav-menu.open {
                max-height: 600px;
                opacity: 1;
                padding: 12px 8px;
            }
        }
        section[id] {
            scroll-margin-top: 80px;
        }
        .star-display {
            color: #ffb300;
            letter-spacing: 2px;
            font-size: 1.1rem;
        }
        .rating-value {
            font-weight: 700;
            color: var(--primary-dark);
        }
        .mb-1 {
            margin-bottom: 0.5em;
        }
        .mb-2 {
            margin-bottom: 1em;
        }
        .mt-2 {
            margin-top: 1em;
        }
        .fw-bold {
            font-weight: 700;
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .text-muted {
            color: var(--text-light);
        }
