*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f5f2eb;
            color: #2d2a24;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #1a6b3c;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #b8860b;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #1e3d2b;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #b8860b;
            padding-bottom: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #b8860b;
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.2rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        header {
            background: linear-gradient(145deg, #1e3d2b 0%, #2a5a3a 100%);
            color: #fff;
            padding: 0.6rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f5e6c8;
            text-shadow: 2px 2px 0 #b8860b;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #ffd700;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.8rem;
            font-weight: 400;
            display: block;
            color: #c7d9c0;
            letter-spacing: 0.5px;
            text-shadow: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f5e6c8;
            color: #f5e6c8;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #f5e6c8;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: #b8860b;
            color: #1e3d2b;
            text-decoration: none;
        }
        nav a.active {
            background: #b8860b;
            color: #1e3d2b;
        }
        .breadcrumb {
            background: #e8e2d6;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d4c9b8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.3rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #8a7a64;
        }
        .breadcrumb a {
            color: #1a6b3c;
        }
        .breadcrumb li:last-child a {
            color: #6b5a44;
            pointer-events: none;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #2a5a3a 0%, #1e3d2b 100%);
            color: #f5e6c8;
            padding: 2.5rem 1.2rem;
            text-align: center;
            border-bottom: 6px solid #b8860b;
        }
        .hero h1 {
            color: #ffd700;
            border-bottom: none;
            font-size: 2.8rem;
            margin-top: 0;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0.8rem auto 0;
            opacity: 0.92;
        }
        main {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-main {
            min-width: 0;
        }
        .content-sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            margin-bottom: 1.5rem;
            border: 1px solid #e2d9cb;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #b8860b;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px dashed #e2d9cb;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
        }
        .featured-image {
            border-radius: 14px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
            margin: 1.8rem 0;
            width: 100%;
            background: #e8e2d6;
        }
        .image-caption {
            font-size: 0.9rem;
            color: #6b5a44;
            text-align: center;
            margin-top: 0.3rem;
            font-style: italic;
        }
        .form-card {
            background: #fff;
            border-radius: 14px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #e2d9cb;
            margin: 2rem 0;
        }
        .form-card h2 {
            margin-top: 0;
            border-left-color: #b8860b;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e3d2b;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #d4c9b8;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            background: #fcfaf7;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #b8860b;
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: #1a6b3c;
            color: #fff;
            padding: 0.75rem 2.2rem;
            border: none;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            box-shadow: 0 4px 12px rgba(26, 107, 60, 0.3);
        }
        .btn:hover {
            background: #b8860b;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(184, 134, 11, 0.35);
        }
        .btn-secondary {
            background: #6b5a44;
            box-shadow: none;
        }
        .btn-secondary:hover {
            background: #4d3f2e;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            margin: 0.5rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d4c9b8;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffc107;
        }
        .comment-item {
            background: #fcfaf7;
            border-left: 4px solid #1a6b3c;
            padding: 1rem 1.2rem;
            border-radius: 0 10px 10px 0;
            margin-bottom: 1rem;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
        }
        .comment-item .meta {
            font-size: 0.85rem;
            color: #8a7a64;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .comment-item .meta strong {
            color: #1e3d2b;
        }
        footer {
            background: #1e3d2b;
            color: #d4c9b8;
            padding: 2.5rem 0 1.2rem;
            border-top: 6px solid #b8860b;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        footer h4 {
            color: #ffd700;
            margin-top: 0;
            border-bottom: 2px solid #b8860b;
            padding-bottom: 0.4rem;
        }
        footer a {
            color: #c7d9c0;
        }
        footer a:hover {
            color: #ffd700;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.3rem;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 1.8rem;
            border-top: 1px solid #3a5a4a;
            margin-top: 1.2rem;
            font-size: 0.9rem;
            color: #a89a84;
        }
        .last-updated {
            background: #e8e2d6;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            display: inline-block;
            font-size: 0.85rem;
            color: #4d3f2e;
            margin: 1rem 0;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                position: static;
                order: -1;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1e3d2b;
                padding: 1rem 0;
                border-top: 2px solid #b8860b;
                margin-top: 0.6rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.7rem 1.5rem;
                border-radius: 0;
                width: 100%;
                border-bottom: 1px solid #2a5a3a;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            footer .container {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            .container {
                padding: 0 0.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .highlight-box {
            background: #f0ebe2;
            border-left: 6px solid #b8860b;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .highlight-box strong {
            color: #1a6b3c;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .tag {
            display: inline-block;
            background: #1a6b3c;
            color: #fff;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2d9cb;
        }
        th {
            background: #1e3d2b;
            color: #f5e6c8;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f5f2eb;
        }
        .pro-tip {
            background: #fffbe6;
            border: 1px dashed #b8860b;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
        }
        .pro-tip::before {
            content: "💡 Pro Tip: ";
            font-weight: 700;
            color: #b8860b;
        }