        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fc;
            color: #1a2634;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: #0a6e3b;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0a4d2a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.6rem;
            margin: 0.8rem 0;
        }
        li {
            margin: 0.4rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0a2a1f, #0d3b2b);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #ffd966;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #ffd966, #f9b83a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(255, 215, 0, 0.2);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #b8d4c8;
            color: #b8d4c8;
            display: block;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #ffd966;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.15);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e6f0ea;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 215, 0, 0.18);
            color: #ffd966;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #ffd966;
            color: #0a2a1f;
        }
        .breadcrumb-wrap {
            background: #eaf0e6;
            padding: 0.5rem 0;
            border-bottom: 1px solid #d0ddd0;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
            font-size: 0.85rem;
            color: #3a5a4a;
        }
        .breadcrumb a {
            color: #0a6e3b;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: #7a9a8a;
        }
        .breadcrumb .current {
            color: #1a3a2a;
            font-weight: 600;
        }
        .page-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        @media (max-width: 920px) {
            .page-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            min-width: 0;
        }
        .article-card {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 6px 30px rgba(0, 20, 10, 0.08);
            margin-bottom: 2rem;
        }
        .article-card h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0a2a1f;
            line-height: 1.25;
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
        }
        .article-card h1 i {
            color: #f9b83a;
            margin-right: 0.3rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
            font-size: 0.9rem;
            color: #4a6a5a;
            border-bottom: 1px solid #e2ece2;
            padding-bottom: 1rem;
            margin-bottom: 1.6rem;
        }
        .article-meta i {
            margin-right: 0.3rem;
            color: #0a6e3b;
        }
        .article-meta .update-date {
            font-weight: 600;
            color: #0a4a2a;
        }
        .article-card h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #0d3b2b;
            margin: 2rem 0 0.8rem 0;
            border-left: 5px solid #f9b83a;
            padding-left: 1rem;
        }
        .article-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1a4a3a;
            margin: 1.6rem 0 0.6rem 0;
        }
        .article-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2a5a4a;
            margin: 1.2rem 0 0.4rem 0;
        }
        .article-card p {
            margin: 0.8rem 0;
            font-size: 1.02rem;
            color: #1f2e2a;
        }
        .article-card .highlight-box {
            background: #f0f9f0;
            border-left: 5px solid #0a6e3b;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.4rem 0;
        }
        .article-card .highlight-box p {
            margin: 0.3rem 0;
        }
        .article-card .emoji-big {
            font-size: 1.8rem;
            margin-right: 0.4rem;
        }
        .featured-image {
            border-radius: 16px;
            overflow: hidden;
            margin: 1.8rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #d0ddd0;
        }
        .featured-image figcaption {
            background: #f4faf4;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #3a5a4a;
            font-style: italic;
        }
        .link-inline {
            color: #0a6e3b;
            font-weight: 600;
            border-bottom: 1px dotted #b8d4c8;
        }
        .link-inline:hover {
            border-bottom-style: solid;
            text-decoration: none;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.4rem 1.6rem;
            box-shadow: 0 6px 24px rgba(0, 20, 10, 0.06);
            margin-bottom: 1.6rem;
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #0a2a1f;
            border-bottom: 2px solid #e2ece2;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f5f0;
        }
        .sidebar-card ul li a {
            font-size: 0.92rem;
            font-weight: 500;
            color: #0a5a3a;
            display: block;
            transition: padding-left 0.2s;
        }
        .sidebar-card ul li a:hover {
            padding-left: 6px;
            color: #0a3a2a;
            text-decoration: none;
        }
        .sidebar-card ul li a i {
            margin-right: 0.4rem;
            color: #f9b83a;
            font-size: 0.8rem;
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
            margin-top: 0.4rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 2px solid #d0ddd0;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #fafcfa;
        }
        .search-form input[type="text"]:focus {
            border-color: #0a6e3b;
        }
        .search-form button {
            background: #0a6e3b;
            border: none;
            color: #fff;
            padding: 0.6rem 1.2rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #0a4a2a;
            transform: scale(0.97);
        }
        .feedback-section {
            margin-top: 2rem;
            padding-top: 1.6rem;
            border-top: 2px solid #e2ece2;
        }
        .feedback-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0a2a1f;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d0ddd0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 80px;
            outline: none;
            transition: border 0.25s;
            background: #fafcfa;
        }
        .comment-form textarea:focus {
            border-color: #0a6e3b;
        }
        .comment-form .form-row {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin: 0.6rem 0;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 160px;
            padding: 0.6rem 1rem;
            border: 2px solid #d0ddd0;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
            background: #fafcfa;
        }
        .comment-form .form-row input:focus {
            border-color: #0a6e3b;
        }
        .comment-form .btn-submit {
            background: #0a6e3b;
            border: none;
            color: #fff;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .comment-form .btn-submit:hover {
            background: #0a4a2a;
            transform: scale(0.97);
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
            margin: 0.6rem 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            cursor: pointer;
            color: #d0ddd0;
            transition: color 0.2s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f9b83a;
        }
        .rating-form .btn-rate {
            background: #f9b83a;
            border: none;
            color: #0a2a1f;
            padding: 0.5rem 1.6rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            margin-top: 0.4rem;
        }
        .rating-form .btn-rate:hover {
            background: #e5a62e;
            transform: scale(0.97);
        }
        .site-footer {
            background: #0a2a1f;
            color: #c8ddd0;
            padding: 2.4rem 0 1.6rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem 3rem;
        }
        @media (max-width: 680px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h4 {
            color: #ffd966;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.92rem;
            color: #b8d4c8;
        }
        .footer-inner a:hover {
            color: #ffd966;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin: 0.4rem 0;
        }
        friend-link a {
            display: inline-block;
            padding: 0.2rem 0;
        }
        .copyright {
            border-top: 1px solid #1a4a3a;
            margin-top: 1.8rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #7a9a8a;
        }
        .copyright a {
            color: #b8d4c8;
        }
        .copyright a:hover {
            color: #ffd966;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 0.8rem;
                gap: 0.1rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                border-radius: 10px;
                white-space: normal;
            }
            .article-card {
                padding: 1.4rem 1.2rem;
            }
            .article-card h1 {
                font-size: 1.6rem;
            }
            .article-card h2 {
                font-size: 1.35rem;
            }
            .article-card h3 {
                font-size: 1.1rem;
            }
            .header-inner {
                gap: 0.4rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .sidebar-card {
                padding: 1rem 1.2rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .article-card {
                padding: 1rem 0.9rem;
                border-radius: 14px;
            }
            .article-card h1 {
                font-size: 1.35rem;
            }
            .article-card h2 {
                font-size: 1.15rem;
                padding-left: 0.6rem;
            }
            .article-card p {
                font-size: 0.95rem;
            }
            .comment-form .form-row input {
                min-width: 100%;
            }
        }
        .scroll-target {
            scroll-margin-top: 80px;
        }
        .empty-state {
            color: #6a8a7a;
            font-style: italic;
            padding: 0.4rem 0;
        }
        .mt-1 {
            margin-top: 0.8rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .text-muted {
            color: #4a6a5a;
        }
        .fw-bold {
            font-weight: 700;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
