* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f4f7f2;
            color: #1e2a1e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #c85a1a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #9e4412;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a3b2b 0%, #2a5a3e 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9a825, #ff6f00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #f9a825;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8f0e8;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        nav a:hover {
            color: #f9a825;
            border-bottom-color: #f9a825;
            text-decoration: none;
        }
        nav a i {
            margin-right: 5px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #eef3ea;
            padding: 12px 0;
            border-bottom: 1px solid #d4ddd0;
            font-size: 0.9rem;
        }
        .breadcrumb-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb-inner a {
            color: #3d6b4e;
        }
        .breadcrumb-inner a:hover {
            color: #c85a1a;
        }
        .breadcrumb-inner span {
            color: #6a7f6a;
        }
        .breadcrumb-inner i {
            color: #8aa08a;
            font-size: 0.7rem;
        }
        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;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            color: #1a3b2b;
            margin-bottom: 12px;
            font-weight: 800;
        }
        .article-body h1 i {
            color: #f9a825;
            margin-right: 10px;
        }
        .article-body .meta {
            color: #5f7a5f;
            font-size: 0.95rem;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            border-bottom: 1px solid #dce5d6;
            padding-bottom: 16px;
        }
        .article-body .meta i {
            margin-right: 5px;
        }
        .article-body .last-updated {
            background: #e8f0e2;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            color: #2a5a3e;
            font-size: 0.85rem;
        }
        .article-body h2 {
            font-size: 1.9rem;
            color: #1a3b2b;
            margin-top: 40px;
            margin-bottom: 16px;
            font-weight: 700;
            border-left: 5px solid #f9a825;
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            color: #2a5a3e;
            margin-top: 30px;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .article-body h4 {
            font-size: 1.15rem;
            color: #3d6b4e;
            margin-top: 22px;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #2c3a2c;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 22px 24px;
            color: #2c3a2c;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: linear-gradient(135deg, #f9fcf7, #eef5ea);
            border-left: 5px solid #f9a825;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .article-body .highlight-box strong {
            color: #1a3b2b;
        }
        .article-body .feature-image {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .article-body .feature-image figcaption {
            background: #eef3ea;
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #4a6a4a;
            text-align: center;
            font-style: italic;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e4ebe0;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            color: #1a3b2b;
            margin-bottom: 16px;
            border-bottom: 2px solid #f9a825;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid #edf2ea;
        }
        .sidebar ul li a {
            color: #2a5a3e;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar ul li a:hover {
            color: #c85a1a;
        }
        .sidebar ul li a i {
            color: #f9a825;
            font-size: 0.8rem;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 24px;
            margin: 36px 0;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e4ebe0;
        }
        .search-section h3 {
            font-size: 1.4rem;
            color: #1a3b2b;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border: 2px solid #d4ddd0;
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #fafcfa;
        }
        .search-form input[type="text"]:focus {
            border-color: #f9a825;
        }
        .search-form button {
            padding: 14px 30px;
            background: linear-gradient(135deg, #f9a825, #ff6f00);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 168, 37, 0.35);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 36px 0;
        }
        @media(max-width:768px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 24px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e4ebe0;
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.3rem;
            color: #1a3b2b;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-section textarea,
        .rating-section input,
        .rating-section select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d4ddd0;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #fafcfa;
            font-family: inherit;
        }
        .comment-section textarea:focus,
        .rating-section input:focus,
        .rating-section select:focus {
            border-color: #f9a825;
        }
        .comment-section textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-section .form-group,
        .rating-section .form-group {
            margin-bottom: 16px;
        }
        .comment-section button,
        .rating-section button {
            padding: 12px 28px;
            background: linear-gradient(135deg, #2a5a3e, #1a3b2b);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-section button:hover,
        .rating-section button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 59, 43, 0.3);
        }
        .rating-section .star-display {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d4ddd0;
            margin-bottom: 8px;
            cursor: pointer;
        }
        .rating-section .star-display i.active {
            color: #f9a825;
        }
        .rating-section .star-display i:hover {
            color: #f9a825;
            transform: scale(1.1);
        }
        footer {
            background: #1a3b2b;
            color: #dce5d6;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        footer a {
            color: #f9a825;
        }
        footer a:hover {
            color: #ffcc02;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        @media(max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 14px;
            border-bottom: 2px solid #f9a825;
            padding-bottom: 6px;
            display: inline-block;
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer ul li {
            padding: 5px 0;
        }
        footer ul li a {
            color: #c8dcc8;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        footer ul li a:hover {
            color: #f9a825;
        }
        friend-link {
            display: block;
            background: #1f4632;
            padding: 18px 20px;
            border-radius: 12px;
            margin: 12px 0 20px;
            border-left: 4px solid #f9a825;
        }
        friend-link a {
            color: #f9a825;
            font-weight: 500;
            margin: 0 4px;
        }
        friend-link a:hover {
            color: #ffcc02;
        }
        .copyright {
            border-top: 1px solid #2f5a42;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #8aa08a;
        }
        .copyright strong {
            color: #dce5d6;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 6px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                width: 100%;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .sidebar {
                position: static;
                margin-top: 30px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 14px;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
            .search-form button {
                padding: 12px 18px;
                font-size: 0.9rem;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .text-small {
            font-size: 0.9rem;
            color: #5f7a5f;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .fa-xl {
            font-size: 1.8rem;
        }
        .badge {
            background: #f9a825;
            color: #1a3b2b;
            padding: 2px 12px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
