*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f7f5f0;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2a6f4c;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: #1d4f36;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.6rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #1a3b2f;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #d4c9b0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1a3b2f 0%, #2a6f4c 100%);
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f7e7c8;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
            transition: opacity .2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover {
            opacity: 0.88;
            text-decoration: none;
            color: #f7e7c8;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #f5c542;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background .2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .main-nav {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #f0f0e8;
            font-weight: 500;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color .2s, color .2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            color: #f5e0a0;
            border-bottom-color: #f5e0a0;
            text-decoration: none;
        }
        .main-nav a.active {
            border-bottom-color: #f5c542;
            color: #f5e0a0;
        }
        .breadcrumb {
            background: #ece8dd;
            padding: 0.6rem 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #d4c9b0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7a6b55;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2a6f4c;
        }
        .breadcrumb .current {
            color: #4a3f32;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #e8e0d0 0%, #d4c9b0 100%);
            padding: 2.8rem 0 2.2rem;
            text-align: center;
            border-bottom: 4px solid #b8a98a;
        }
        .hero h1 {
            font-size: 2.8rem;
            color: #1a3b2f;
            margin-bottom: 0.3rem;
        }
        .hero p {
            font-size: 1.2rem;
            color: #3d3226;
            max-width: 750px;
            margin: 0.6rem auto 1.2rem;
        }
        .hero .last-updated {
            font-size: 0.9rem;
            color: #5f5242;
            background: rgba(255, 255, 255, 0.5);
            display: inline-block;
            padding: 0.2rem 1rem;
            border-radius: 20px;
        }
        .search-section {
            background: #fff;
            padding: 1.8rem 0;
            border-bottom: 1px solid #ddd6c8;
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            border-radius: 40px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #ccc3b0;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.9rem 1.4rem;
            border: none;
            font-size: 1rem;
            outline: none;
            background: #fcfaf7;
            min-width: 0;
        }
        .search-form button {
            background: #2a6f4c;
            color: #fff;
            border: none;
            padding: 0 1.8rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background .2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #1d4f36;
        }
        .main-content {
            padding: 2.4rem 0 3rem;
            background: #fcfaf7;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.4rem;
        }
        .article-body {
            min-width: 0;
        }
        .article-body img {
            border-radius: 12px;
            margin: 1.6rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            width: 100%;
        }
        .article-body .figure-caption {
            font-size: 0.88rem;
            color: #5f5242;
            text-align: center;
            margin-top: -1rem;
            margin-bottom: 1.6rem;
            font-style: italic;
        }
        .article-body blockquote {
            border-left: 5px solid #2a6f4c;
            background: #f0ece2;
            padding: 1.2rem 1.8rem;
            margin: 1.6rem 0;
            border-radius: 0 10px 10px 0;
            font-style: italic;
            color: #2e2a24;
        }
        .article-body blockquote strong {
            font-style: normal;
        }
        .highlight-box {
            background: #f5f0e6;
            border-radius: 12px;
            padding: 1.4rem 1.8rem;
            border: 1px solid #d4c9b0;
            margin: 1.6rem 0;
        }
        .highlight-box h4 {
            margin-top: 0;
            color: #1a3b2f;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.4rem 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 10px;
            padding: 1.2rem;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2d9ca;
        }
        .stat-card .number {
            font-size: 2rem;
            font-weight: 800;
            color: #2a6f4c;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #5f5242;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .sidebar {
            background: #f5f1e9;
            border-radius: 14px;
            padding: 1.6rem 1.4rem;
            border: 1px solid #d4c9b0;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #b8a98a;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.6rem 0;
        }
        .sidebar li {
            margin-bottom: 0.6rem;
        }
        .sidebar a {
            display: block;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            transition: background .2s;
            color: #1e3b2f;
            font-weight: 500;
        }
        .sidebar a:hover {
            background: #e2d9ca;
            text-decoration: none;
        }
        .sidebar .rating-widget {
            margin-top: 1.4rem;
            padding-top: 1.2rem;
            border-top: 1px solid #d4c9b0;
        }
        .sidebar .rating-widget .stars {
            font-size: 1.6rem;
            color: #ccc3b0;
            cursor: pointer;
            display: flex;
            gap: 0.2rem;
        }
        .sidebar .rating-widget .stars .star {
            transition: color .2s, transform .15s;
        }
        .sidebar .rating-widget .stars .star:hover,
        .sidebar .rating-widget .stars .star.active {
            color: #f5c542;
            transform: scale(1.1);
        }
        .rating-widget .rating-note {
            font-size: 0.8rem;
            color: #5f5242;
            margin-top: 0.3rem;
        }
        .comments-section {
            margin-top: 2.8rem;
            padding-top: 2rem;
            border-top: 2px solid #d4c9b0;
        }
        .comments-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ccc3b0;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            background: #fff;
            min-height: 90px;
            transition: border-color .2s;
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: #2a6f4c;
            box-shadow: 0 0 0 3px rgba(42, 111, 76, 0.1);
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin: 0.8rem 0;
        }
        .comment-form .form-row input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 1px solid #ccc3b0;
            border-radius: 6px;
            font-size: 0.95rem;
            background: #fff;
            min-width: 140px;
        }
        .comment-form .form-row input:focus {
            outline: none;
            border-color: #2a6f4c;
            box-shadow: 0 0 0 3px rgba(42, 111, 76, 0.1);
        }
        .comment-form .btn-submit {
            background: #2a6f4c;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s, transform .1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form .btn-submit:hover {
            background: #1d4f36;
            transform: translateY(-1px);
        }
        .comment-list {
            margin-top: 1.6rem;
        }
        .comment-item {
            background: #f5f1e9;
            border-radius: 10px;
            padding: 1rem 1.2rem;
            margin-bottom: 0.8rem;
            border-left: 4px solid #2a6f4c;
        }
        .comment-item .meta {
            font-size: 0.82rem;
            color: #6f6252;
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .comment-item .meta strong {
            color: #1a3b2f;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.6rem;
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0;
        }
        friend-link .friend-list a {
            color: #2a6f4c;
            font-weight: 500;
            font-size: 0.92rem;
        }
        friend-link .friend-list a:hover {
            text-decoration: underline;
        }
        .site-footer {
            background: #1a3b2f;
            color: #d4c9b0;
            padding: 2.2rem 0 1.4rem;
            font-size: 0.92rem;
            border-top: 4px solid #2a6f4c;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.6rem;
        }
        .site-footer .copy {
            opacity: 0.8;
            margin-top: 0.8rem;
            font-size: 0.84rem;
        }
        .site-footer a {
            color: #f5e0a0;
        }
        .site-footer a:hover {
            color: #f7e7c8;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .article-body {
                order: 1;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(26, 59, 47, 0.97);
                padding: 1rem 0.8rem;
                border-radius: 0 0 12px 12px;
                margin-top: 0.6rem;
                gap: 0.6rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0.8rem;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            .main-nav a:hover {
                border-left-color: #f5c542;
                border-bottom: none;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-form button {
                padding: 0.7rem;
                justify-content: center;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .breadcrumb ol {
                font-size: 0.78rem;
                gap: 0.2rem 0.6rem;
            }
        }
        @media (max-width: 450px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.5rem !important;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }
        .main-nav {
            transition: all .25s ease;
        }