*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f7f2;
            color: #1e2b1c;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2e7d32;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #f9a825;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 16px;
            background: #2e7d32;
            color: #fff;
            padding: 8px 18px;
            border-radius: 6px;
            z-index: 999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 12px;
        }
        .site-header {
            background: linear-gradient(145deg, #1b3a1a 0%, #2a5a28 100%);
            color: #fff;
            padding: 12px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .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;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9a825, #ffcc02);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(249, 168, 37, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f9a825;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: border-color 0.2s;
        }
        .nav-toggle:hover {
            border-color: #f9a825;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-list a {
            color: #e8f5e9;
            font-weight: 500;
            padding: 6px 6px;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-list a:hover {
            color: #f9a825;
            border-bottom-color: #f9a825;
            text-decoration: none;
        }
        .nav-list .active a {
            color: #f9a825;
            border-bottom-color: #f9a825;
        }
        .breadcrumb {
            background: #e8f0e6;
            padding: 10px 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #d0ddd0;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 10px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #6a8f6a;
        }
        .breadcrumb a {
            color: #2e7d32;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        .main-content {
            flex: 1;
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media(max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h1 {
            font-size: 2.4rem;
            line-height: 1.2;
            color: #1b3a1a;
            margin-bottom: 12px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .article-body h1 i {
            color: #f9a825;
            margin-right: 8px;
        }
        .article-body .subhead {
            font-size: 1.1rem;
            color: #3d5a3a;
            margin-bottom: 28px;
            border-left: 4px solid #f9a825;
            padding-left: 18px;
            font-weight: 400;
        }
        .article-body .meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            font-size: 0.92rem;
            color: #4d6b4a;
            margin-bottom: 30px;
            padding-bottom: 16px;
            border-bottom: 1px solid #dce6da;
        }
        .article-body .meta-row i {
            margin-right: 6px;
            color: #f9a825;
        }
        .article-body .last-updated {
            font-weight: 600;
            background: #f1f5ef;
            padding: 2px 14px;
            border-radius: 20px;
        }
        .article-body h2 {
            font-size: 1.8rem;
            margin-top: 48px;
            margin-bottom: 16px;
            color: #1b3a1a;
            border-bottom: 3px solid #c8dcc6;
            padding-bottom: 8px;
            font-weight: 700;
        }
        .article-body h2 i {
            color: #f9a825;
            margin-right: 10px;
        }
        .article-body h3 {
            font-size: 1.35rem;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #2a5a28;
            font-weight: 600;
        }
        .article-body h3 i {
            color: #7cb342;
            margin-right: 8px;
            font-size: 1.1rem;
        }
        .article-body h4 {
            font-size: 1.12rem;
            margin-top: 22px;
            margin-bottom: 8px;
            color: #3d6b3a;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.02rem;
        }
        .article-body ul,
        .article-body ol {
            margin: 14px 0 22px 28px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: #edf5eb;
            border-left: 5px solid #f9a825;
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .article-body .highlight-box strong {
            color: #1b3a1a;
        }
        .article-body .img-wrapper {
            margin: 30px 0;
            background: #eaf0e8;
            padding: 12px;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .article-body .img-wrapper figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #4d6b4a;
            margin-top: 10px;
            font-style: italic;
        }
        .article-body .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #f9a825, #f57c00);
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.1rem;
            box-shadow: 0 6px 20px rgba(249, 168, 37, 0.35);
            transition: transform 0.2s, box-shadow 0.2s;
            margin: 12px 0 20px;
        }
        .article-body .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(249, 168, 37, 0.45);
            text-decoration: none;
            color: #fff;
        }
        .sidebar {
            background: #eef4ec;
            border-radius: 20px;
            padding: 24px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #1b3a1a;
            margin-bottom: 16px;
            border-bottom: 2px solid #c8dcc6;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 8px;
            border-radius: 8px;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .sidebar a:hover {
            background: #dce8da;
            text-decoration: none;
        }
        .sidebar a i {
            color: #f9a825;
            width: 20px;
            text-align: center;
        }
        .form-card {
            background: #eef4ec;
            border-radius: 20px;
            padding: 28px 24px;
            margin-top: 40px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        .form-card h3 {
            font-size: 1.4rem;
            color: #1b3a1a;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-card h3 i {
            color: #f9a825;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 5px;
            color: #1e2b1c;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #c8dcc6;
            border-radius: 12px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #f9a825;
            box-shadow: 0 0 0 4px rgba(249, 168, 37, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media(max-width: 600px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        .btn-primary {
            background: #2e7d32;
            color: #fff;
            font-weight: 700;
            padding: 14px 36px;
            border: none;
            border-radius: 50px;
            font-size: 1.05rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary:hover {
            background: #1b5e20;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: #6a8f6a;
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .btn-secondary:hover {
            background: #4d6b4a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-start;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label i {
            pointer-events: none;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f9a825;
        }
        .site-footer {
            background: #1b3a1a;
            color: #d4e3d2;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        @media(max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .site-footer h4 {
            color: #f9a825;
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b8d0b6;
        }
        .site-footer a:hover {
            color: #f9a825;
        }
        .site-footer friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 14px 18px;
            border-radius: 12px;
            margin-top: 16px;
        }
        .site-footer friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 2px 0;
        }
        .footer-bottom {
            border-top: 1px solid #2a5a28;
            padding-top: 18px;
            text-align: center;
            font-size: 0.88rem;
            color: #8aaa88;
        }
        @media(max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1b3a1a;
                padding: 16px 0 20px;
                border-top: 1px solid #2a5a28;
                margin-top: 10px;
                gap: 4px;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list a {
                padding: 10px 16px;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            .nav-list a:hover {
                border-left-color: #f9a825;
                border-bottom: none;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .sidebar {
                position: static;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-16 {
            gap: 16px;
        }
        @media print {
            .site-header,
            .site-footer,
            .sidebar,
            .form-card,
            .nav-toggle,
            .breadcrumb {
                display: none !important;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .article-body h1 {
                font-size: 2rem;
            }
            body {
                background: #fff;
                color: #000;
            }
        }