* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7f2;
            color: #1e2a1e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #1b5e3a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #4caf50;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #1b3a2a 0%, #2a5e3a 100%);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: 1px;
            color: #fdd835;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
            font-family: 'Segoe UI', sans-serif;
            background: rgba(255, 215, 0, 0.12);
            padding: 4px 16px;
            border-radius: 40px;
            border: 2px solid #fdd835;
            transition: 0.25s;
            display: inline-block;
        }
        .my-logo:hover {
            background: rgba(255, 215, 0, 0.25);
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            margin-right: 6px;
            color: #fdd835;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .main-nav {
            display: flex;
            gap: 8px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e8f5e9;
            font-weight: 500;
            padding: 4px 6px;
            border-radius: 6px;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fdd835;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 4px;
        }
        .breadcrumb {
            background: #e8f0e4;
            padding: 10px 20px;
            font-size: 0.85rem;
            border-bottom: 1px solid #c8dcc4;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #5a7a5a;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #1b5e3a;
        }
        .breadcrumb .current {
            color: #3a6a3a;
            font-weight: 600;
        }
        main {
            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;
                gap: 30px;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            color: #1b3a2a;
            margin: 0 0 10px;
            line-height: 1.2;
            border-left: 6px solid #4caf50;
            padding-left: 20px;
        }
        .article-body h2 {
            font-size: 1.9rem;
            color: #1e4a2e;
            margin: 48px 0 16px;
            padding-bottom: 6px;
            border-bottom: 3px solid #b8d8b0;
            position: relative;
        }
        .article-body h2::after {
            content: "";
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 80px;
            height: 3px;
            background: #4caf50;
        }
        .article-body h3 {
            font-size: 1.45rem;
            color: #1f4a2a;
            margin: 32px 0 12px;
            font-weight: 600;
        }
        .article-body h4 {
            font-size: 1.15rem;
            color: #2a5a3a;
            margin: 22px 0 8px;
            font-weight: 600;
        }
        .article-body p {
            margin: 0 0 18px;
            font-size: 1.02rem;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 28px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body .highlight {
            background: #f0f8ec;
            padding: 20px 24px;
            border-radius: 16px;
            border-left: 6px solid #4caf50;
            margin: 24px 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .article-body .highlight i {
            color: #4caf50;
            margin-right: 8px;
        }
        .article-body .insight-box {
            background: #fff8e1;
            padding: 18px 22px;
            border-radius: 14px;
            border: 1px solid #fdd835;
            margin: 24px 0;
            box-shadow: 0 2px 10px rgba(253, 216, 53, 0.12);
        }
        .article-body .insight-box i {
            color: #f9a825;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.10);
            background: #fff;
            padding: 8px;
        }
        .featured-image img {
            border-radius: 12px;
            width: 100%;
        }
        .featured-image figcaption {
            text-align: center;
            padding: 10px 0 4px;
            font-size: 0.9rem;
            color: #3a5a3a;
            font-style: italic;
        }
        .last-update {
            display: inline-block;
            background: #e4ede0;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #2a4a2a;
            margin-bottom: 20px;
        }
        .last-update i {
            margin-right: 6px;
            color: #4caf50;
        }
        .sidebar {
            background: #f0f6ee;
            border-radius: 20px;
            padding: 24px 20px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #d8e4d4;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #1b3a2a;
            margin-bottom: 16px;
            border-bottom: 2px solid #b8d8b0;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 6px 0;
            border-bottom: 1px solid #dce8d8;
        }
        .sidebar ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar ul li a i {
            color: #4caf50;
            width: 18px;
        }
        .search-form {
            display: flex;
            margin: 20px 0 28px;
            background: #fff;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
            border: 1px solid #c8dcc4;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 1rem;
            background: transparent;
            outline: none;
            font-family: inherit;
        }
        .search-form button {
            background: #1b5e3a;
            color: #fff;
            border: none;
            padding: 0 28px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: #2a7a4a;
        }
        .feedback-section {
            background: #f0f6ee;
            border-radius: 20px;
            padding: 28px 24px;
            margin: 40px 0;
            border: 1px solid #d8e4d4;
        }
        .feedback-section h2 {
            margin-top: 0;
            border-bottom: none;
        }
        .feedback-section h2::after {
            display: none;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            margin: 10px 0 16px;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #fdd835;
        }
        .feedback-form textarea {
            width: 100%;
            padding: 14px 18px;
            border-radius: 14px;
            border: 1px solid #c8dcc4;
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            background: #fff;
            transition: 0.2s;
        }
        .feedback-form textarea:focus {
            border-color: #4caf50;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
            outline: none;
        }
        .feedback-form .btn-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 14px;
        }
        .feedback-form button {
            background: #1b5e3a;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-form button:hover {
            background: #2a7a4a;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(27, 94, 58, 0.25);
        }
        .feedback-form button i {
            font-size: 1.1rem;
        }
        footer {
            background: #1b2e22;
            color: #d0e0d0;
            padding: 40px 0 24px;
            margin-top: 20px;
        }
        footer .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }
        @media (max-width: 700px) {
            footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        footer h4 {
            color: #fdd835;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #b8d8b0;
        }
        footer a:hover {
            color: #fdd835;
        }
        friend-link {
            display: block;
            background: #1f3428;
            padding: 16px 20px;
            border-radius: 14px;
            margin: 12px 0 20px;
            border: 1px solid #2a4a34;
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 6px 0;
            padding: 4px 8px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.04);
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.10);
        }
        .copyright {
            border-top: 1px solid #2a4a34;
            margin-top: 28px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #8aaa8a;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 6px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 8px 12px;
                border-radius: 8px;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            .article-body h1 {
                font-size: 1.9rem;
                padding-left: 14px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                position: static;
                margin-top: 30px;
            }
            .feedback-section {
                padding: 20px 16px;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .my-logo {
                font-size: 1.3rem;
                padding: 2px 12px;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .search-form input {
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 16px;
                font-size: 0.95rem;
            }
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .inline-icon {
            margin-right: 4px;
        }
        .emoji-big {
            font-size: 1.6rem;
            vertical-align: middle;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        th {
            background: #1b5e3a;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 10px 16px;
            border-bottom: 1px solid #e4ece0;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f0f8ec;
        }
        .btn-small {
            background: #1b5e3a;
            color: #fff;
            border: none;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn-small:hover {
            background: #2a7a4a;
        }