*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #2d5a27;
            --primary-dark: #1a3a17;
            --primary-light: #4a8c42;
            --accent: #e8a838;
            --accent-dark: #c48a2a;
            --bg: #f4f1ea;
            --bg-card: #ffffff;
            --text: #2c2c2c;
            --text-light: #5a5a5a;
            --text-muted: #8a8a8a;
            --border: #d4cfc4;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --font: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.55rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.88;
            color: #fff;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .my-logo span {
            font-weight: 300;
            color: var(--accent);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            align-items: center;
        }
        .nav-list li a {
            color: rgba(255, 255, 255, 0.88);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: var(--accent);
        }
        .nav-list li a.active {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background: #fff;
            border-radius: 3px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        .breadcrumb {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
            font-size: 0.88rem;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span.sep {
            color: var(--text-muted);
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .main-content .container {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 40px 44px;
            box-shadow: var(--shadow);
        }
        .article-body h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .article-body h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .article-body .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 28px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 18px;
        }
        .article-body .meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        .article-body .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 500;
            color: var(--text-light);
            font-size: 0.85rem;
        }
        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-body h4 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .article-body .highlight-box {
            background: linear-gradient(135deg, #f0f7ee, #e8f0e0);
            border-left: 5px solid var(--primary-light);
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
        }
        .article-body .highlight-box i {
            color: var(--accent);
            margin-right: 10px;
        }
        .article-body .btn-link {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            transition: background 0.25s, transform 0.15s;
        }
        .article-body .btn-link:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .feature-image {
            margin: 28px 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .feature-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-image figcaption {
            background: var(--bg);
            padding: 10px 16px;
            font-size: 0.88rem;
            color: var(--text-light);
            text-align: center;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 6px;
            background: var(--bg);
            transition: background 0.2s, transform 0.15s;
            font-size: 0.92rem;
        }
        .sidebar-card ul li a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(4px);
        }
        .sidebar-card ul li a i {
            color: var(--accent);
            width: 20px;
            text-align: center;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: var(--bg);
        }
        .search-form input:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 18px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.25s;
        }
        .search-form button:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .comment-box,
        .rating-box {
            margin-top: 8px;
        }
        .comment-box textarea {
            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: 100px;
            outline: none;
            transition: border 0.2s;
            background: var(--bg);
        }
        .comment-box textarea:focus {
            border-color: var(--primary-light);
        }
        .comment-box .btn-submit,
        .rating-box .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background 0.25s;
            margin-top: 10px;
        }
        .comment-box .btn-submit:hover,
        .rating-box .btn-submit:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 10px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: var(--border);
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .star-rating label:hover {
            transform: scale(1.2);
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 32px;
            margin-top: 20px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .site-footer h4 {
            color: var(--accent);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.78);
        }
        .site-footer a:hover {
            color: var(--accent);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
            margin-top: 16px;
            text-align: center;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .copyright strong {
            color: var(--accent);
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
            padding: 4px 0;
        }
        @media (max-width: 992px) {
            .main-content .container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .article-body {
                padding: 28px 24px;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--primary-dark);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.35s ease, opacity 0.3s ease;
                box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                z-index: 999;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-list li a {
                font-size: 1rem;
                padding: 12px 16px;
                display: block;
                border-radius: 6px;
            }
            .hamburger {
                display: flex;
            }
            .article-body h1 {
                font-size: 1.7rem;
            }
            .article-body h2 {
                font-size: 1.35rem;
            }
            .article-body {
                padding: 20px 16px;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .meta {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                padding: 0 12px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .article-body {
                padding: 16px 12px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        .anchor-offset {
            scroll-margin-top: 80px;
        }