*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a5c2e;
            --primary-light: #2e8b57;
            --accent: #f5a623;
            --dark: #0d1f14;
            --bg: #f5f7f5;
            --card: #ffffff;
            --text: #1e2b25;
            --text-light: #5a6e62;
            --radius: 14px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--dark);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-family: 'Poppins', sans-serif;
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            text-decoration: none;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo span {
            color: #fff;
            font-size: 14px;
            font-weight: 400;
            display: block;
            letter-spacing: 1px;
            text-transform: uppercase;
            opacity: 0.8;
        }
        .my-logo i {
            font-size: 22px;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            border-radius: 8px;
            width: 44px;
            height: 44px;
            cursor: pointer;
            text-align: center;
            line-height: 40px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-menu li a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            border-radius: 30px;
            transition: all 0.3s;
            display: inline-block;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            background: var(--accent);
            color: var(--dark);
        }
        .header-search form {
            display: flex;
            gap: 4px;
        }
        .header-search input {
            padding: 8px 12px;
            border-radius: 30px 0 0 30px;
            border: none;
            width: 160px;
            font-size: 13px;
            outline: none;
        }
        .header-search button {
            background: var(--accent);
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 14px;
            color: var(--dark);
            cursor: pointer;
        }
        .breadcrumb {
            background: transparent;
            padding: 10px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .hero {
            background: linear-gradient(135deg, #0d1f14 0%, #1a5c2e 60%, #2e8b57 100%);
            color: #fff;
            padding: 70px 0 60px;
            text-align: center;
            position: relative;
        }
        .hero h1 {
            font-family: 'Poppins', sans-serif;
            font-size: clamp(30px, 5vw, 46px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--accent);
        }
        .hero p {
            font-size: 18px;
            opacity: 0.92;
            max-width: 800px;
            margin: 0 auto 24px;
        }
        .hero-badges {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 18px;
        }
        .hero-button {
            background: var(--accent);
            color: var(--dark);
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 700;
            text-decoration: none;
            display: inline-block;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
        }
        .hero-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.5);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
            padding: 40px 0;
        }
        .article-card {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 30px;
        }
        h2 {
            font-family: 'Poppins', sans-serif;
            font-size: 30px;
            font-weight: 700;
            color: var(--dark);
            margin: 42px 0 18px;
            padding-top: 10px;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 10px;
            line-height: 1.3;
        }
        h2:first-of-type {
            margin-top: 0;
        }
        h3 {
            font-family: 'Poppins', sans-serif;
            font-size: 22px;
            font-weight: 600;
            color: var(--primary);
            margin: 30px 0 14px;
            line-height: 1.4;
        }
        h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 16px;
        }
        ul,
        ol {
            margin: 0 0 20px 24px;
        }
        li {
            margin-bottom: 10px;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        .highlight-box {
            background: #f0f9f0;
            border-left: 4px solid var(--primary-light);
            border-radius: 0 10px 10px 0;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .warning-box {
            background: #fff8f0;
            border-left-color: var(--accent);
        }
        .danger-box {
            background: #fff0f0;
            border-left: 4px solid #e74c3c;
            border-radius: 0 10px 10px 0;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .pro-tip {
            background: #eef7ff;
            border-radius: 10px;
            padding: 16px 20px;
            margin: 18px 0;
            font-size: 15px;
        }
        .pro-tip i {
            color: #2196f3;
            margin-right: 6px;
        }
        img.featured-image {
            width: 100%;
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
            display: block;
        }
        figure {
            margin: 20px 0;
        }
        figcaption {
            font-size: 13px;
            color: var(--text-light);
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .table-responsive {
            overflow-x: auto;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
        }
        table th,
        table td {
            border: 1px solid #e0e6e0;
            padding: 12px;
            text-align: left;
        }
        table th {
            background: var(--dark);
            color: white;
        }
        table tr:nth-child(even) {
            background-color: #f8faf8;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 90px;
            align-self: flex-start;
            height: fit-content;
        }
        .widget {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
        }
        .widget-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--dark);
        }
        .widget ul {
            list-style: none;
            margin: 0;
        }
        .widget ul li {
            margin-bottom: 4px;
        }
        .widget ul li a {
            text-decoration: none;
            color: var(--text);
            display: block;
            padding: 8px 10px;
            border-radius: 8px;
            transition: background 0.3s;
            font-size: 14px;
            border-left: 3px solid transparent;
        }
        .widget ul li a:hover {
            background: #f0f9f0;
            background-color: #edf7ed;
            border-left-color: var(--primary-light);
        }
        .widget ul li a i {
            color: var(--primary-light);
            width: 22px;
            font-size: 13px;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 50px;
        }
        .comment-form,
        .rating-form {
            background: #fafbfa;
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid #eef0ee;
        }
        .comment-form h3,
        .rating-form h3 {
            margin-top: 0;
            font-size: 18px;
        }
        input,
        textarea,
        select {
            width: 100%;
            padding: 12px;
            border: 1px solid #dce3dc;
            border-radius: 8px;
            margin-bottom: 14px;
            font-family: inherit;
            font-size: 14px;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary-light);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
        }
        button[type="submit"] {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 22px;
            border-radius: 30px;
            font-size: 14px;
            cursor: pointer;
            transition: background 0.3s;
        }
        button[type="submit"]:hover {
            background: var(--primary-light);
        }
        .faq-item {
            background: #f9fbf9;
            border-radius: 10px;
            padding: 20px 24px;
            margin-bottom: 14px;
            border: 1px solid #eef2ee;
        }
        .faq-item h4 {
            color: var(--primary);
            margin: 0 0 8px;
            font-size: 17px;
        }
        .site-footer {
            background: var(--dark);
            color: #9fb8a8;
            padding: 50px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 30px;
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 12px;
        }
        .footer-grid a {
            color: #9fb8a8;
            text-decoration: none;
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
        }
        .footer-grid a:hover {
            color: var(--accent);
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            padding: 18px 0;
        }
        friend-link a {
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--accent);
            text-decoration: none;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #6a8578;
        }
        .last-updated {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 12px;
            margin-top: 8px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 10px 0;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                display: block;
                width: 100%;
            }
            .header-search {
                order: 3;
                width: 100%;
                margin-top: 8px;
            }
            .header-search form {
                width: 100%;
            }
            .header-search input {
                flex: 1;
                width: auto;
            }
            .article-card {
                padding: 24px 18px;
            }
            .feedback-section {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 40px 0;
            }
            h2 {
                font-size: 24px;
            }
            h3 {
                font-size: 19px;
            }
        }
        @media (max-width: 480px) {
            .article-card {
                padding: 18px 14px;
            }
            .table-responsive {
                font-size: 12px;
            }
        }