*,
        *::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: #f8f5f0;
            color: #1e1a17;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b45309;
            text-decoration: underline;
            transition: color 0.2s;
        }
        a:hover {
            color: #78350f;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fffcf9;
            padding: 1.5rem 2rem;
            border-radius: 28px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 640px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 1rem 1rem;
                border-radius: 16px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem 0;
            border-bottom: 2px solid #e7ddd2;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #b45309, #7c2d12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #b45309;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 1.2rem;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-links li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.4rem 0.2rem;
            color: #3d2c1e;
            text-decoration: none;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-links li a:hover {
            border-bottom-color: #b45309;
            color: #7c2d12;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #3d2c1e;
            padding: 0.2rem 0.4rem;
        }
        @media (max-width: 780px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem 0;
                gap: 0.5rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 0.5rem 0;
                border-bottom: 1px solid #eee5db;
            }
            .site-header {
                align-items: center;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem 0;
            margin: 0;
            font-size: 0.85rem;
            color: #7a6a5a;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #b9a998;
        }
        .breadcrumb a {
            color: #7a6a5a;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #b45309;
        }
        .breadcrumb .active {
            color: #3d2c1e;
            font-weight: 600;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.2rem 0 0.8rem 0;
            color: #1e1a17;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.4rem 0 1rem 0;
            color: #2d221b;
            border-left: 5px solid #b45309;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 2rem 0 0.8rem 0;
            color: #3d2c1e;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.4rem 0 0.5rem 0;
            color: #4d382a;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #2c241e;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #4d3a2c;
        }
        @media (max-width: 640px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
                padding-left: 0.7rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            h4 {
                font-size: 1.05rem;
            }
            p {
                font-size: 0.98rem;
            }
        }
        .highlight {
            background: #fef3c7;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .deck-card {
            background: #faf5ef;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            margin: 2rem 0;
            border-left: 6px solid #b45309;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
        }
        .deck-card h4 {
            margin-top: 0;
        }
        .tag {
            display: inline-block;
            background: #e7ddd2;
            padding: 0.15rem 0.8rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #3d2c1e;
            margin-right: 0.4rem;
        }
        .feature-image {
            margin: 2rem 0;
            border-radius: 16px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
        }
        .feature-image figcaption {
            font-size: 0.85rem;
            color: #7a6a5a;
            text-align: center;
            margin-top: 0.6rem;
            font-style: italic;
        }
        .form-section {
            background: #faf5ef;
            border-radius: 20px;
            padding: 2rem;
            margin: 2.5rem 0;
            border: 1px solid #e7ddd2;
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 0.3rem;
            color: #3d2c1e;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            border: 2px solid #e7ddd2;
            border-radius: 12px;
            background: #fffcf9;
            font-family: inherit;
            transition: 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #b45309;
            box-shadow: 0 0 0 4px rgba(180, 83, 9, 0.1);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #b45309;
            color: #fff;
            border: none;
            padding: 0.75rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 40px;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
        }
        .btn:hover {
            background: #7c2d12;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(180, 83, 9, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: #b45309;
            border: 2px solid #b45309;
        }
        .btn-outline:hover {
            background: #b45309;
            color: #fff;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #d6ccc2;
            transition: 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .comment-list {
            margin: 1.5rem 0;
        }
        .comment-item {
            padding: 1rem 1.2rem;
            background: #fffcf9;
            border-radius: 12px;
            margin-bottom: 1rem;
            border: 1px solid #eee5db;
        }
        .comment-item strong {
            color: #3d2c1e;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #9a8a7a;
            margin-left: 0.8rem;
        }
        .site-footer {
            margin-top: 3rem;
            padding: 2rem 0 1rem 0;
            border-top: 2px solid #e7ddd2;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 720px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .footer-grid h4 {
            font-size: 1rem;
            margin-bottom: 0.8rem;
            color: #3d2c1e;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 0.4rem;
        }
        .footer-grid ul li a {
            font-size: 0.9rem;
            color: #6a5a4a;
            text-decoration: none;
        }
        .footer-grid ul li a:hover {
            color: #b45309;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #e7ddd2;
            font-size: 0.85rem;
            color: #7a6a5a;
        }
        friend-link {
            display: block;
            padding: 1rem 0 0.5rem 0;
            font-size: 0.9rem;
        }
        friend-link a {
            margin: 0 0.6rem 0 0;
            color: #6a5a4a;
            text-decoration: none;
        }
        friend-link a:hover {
            color: #b45309;
            text-decoration: underline;
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #e7ddd2;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #3d2c1e;
            margin-bottom: 0.8rem;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #e7ddd2, transparent);
            margin: 2.5rem 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th,
        table td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e7ddd2;
        }
        table th {
            background: #f0e9e1;
            font-weight: 700;
            color: #3d2c1e;
        }
        table tr:hover td {
            background: #faf5ef;
        }
        @media (max-width: 480px) {
            .form-section {
                padding: 1.2rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }