*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #f5f3ee;
            color: #1e1e2a;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #7c3aed;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #1a1a2e;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #d4a373;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.25rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.06);
            border-radius: 24px;
            padding: 1.5rem 2rem 2.5rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.75rem;
            border-bottom: 2px solid #e9e1d5;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #b45309, #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #b45309;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .main-nav {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .main-nav li a {
            font-weight: 500;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            font-size: 0.95rem;
        }
        .main-nav li a:hover {
            background: #f0ebe3;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1e1e2a;
            padding: 0.2rem 0.4rem;
            border-radius: 8px;
        }
        .hamburger:hover {
            background: #f0ebe3;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 0.2rem;
            margin: 0 0 0.75rem;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.5rem;
            color: #b45309;
        }
        .breadcrumb a {
            color: #7c3aed;
        }
        .meta-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: #555;
            margin-bottom: 1.8rem;
            gap: 0.5rem;
            background: #faf7f2;
            padding: 0.6rem 1rem;
            border-radius: 12px;
        }
        .meta-row .update {
            font-weight: 600;
            color: #1e1e2a;
        }
        .search-block {
            background: #f7f3ed;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            margin: 1.5rem 0 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }
        .search-block label {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-block form {
            display: flex;
            flex: 1 1 280px;
            gap: 0.5rem;
        }
        .search-block input[type="text"] {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.2s;
        }
        .search-block input[type="text"]:focus {
            border-color: #7c3aed;
            outline: none;
        }
        .search-block button {
            background: #b45309;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.6rem 1.4rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-block button:hover {
            background: #7c3aed;
            transform: scale(1.02);
        }
        .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f7f3ed;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #444;
            text-align: center;
        }
        .stat-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0 2rem;
            font-size: 0.95rem;
            background: #fcfaf7;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .stat-table th,
        .stat-table td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e9e1d5;
        }
        .stat-table th {
            background: #b45309;
            color: #fff;
            font-weight: 600;
        }
        .stat-table tr:last-child td {
            border-bottom: none;
        }
        .stat-table tr:hover td {
            background: #f5efe7;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
            margin: 1.8rem 0;
        }
        .card-grid .card {
            background: #fcfaf7;
            border-radius: 16px;
            padding: 1.2rem 1.2rem 1.5rem;
            border: 1px solid #ece4d9;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card-grid .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.07);
        }
        .card-grid .card h4 {
            margin-top: 0;
            color: #b45309;
        }
        .card-grid .card i {
            font-size: 1.6rem;
            color: #7c3aed;
            margin-bottom: 0.4rem;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1.5rem;
            background: #faf7f2;
            padding: 1.5rem 1.8rem;
            border-radius: 20px;
        }
        .interaction-area .form-group {
            margin-bottom: 0.8rem;
        }
        .interaction-area label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        .interaction-area input,
        .interaction-area textarea,
        .interaction-area select {
            width: 100%;
            padding: 0.6rem 0.9rem;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.2s;
        }
        .interaction-area input:focus,
        .interaction-area textarea:focus,
        .interaction-area select:focus {
            border-color: #7c3aed;
            outline: none;
        }
        .interaction-area textarea {
            min-height: 70px;
            resize: vertical;
        }
        .interaction-area .btn-submit {
            background: #7c3aed;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.55rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            margin-top: 0.3rem;
        }
        .interaction-area .btn-submit:hover {
            background: #b45309;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 1.6rem;
            color: #e2d4c4;
            cursor: pointer;
        }
        .rating-stars .star.active {
            color: #f59e0b;
        }
        .rating-stars .star:hover,
        .rating-stars .star.hover {
            color: #f59e0b;
        }
        @media (max-width: 700px) {
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        .site-footer {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e9e1d5;
            font-size: 0.9rem;
            color: #555;
        }
        .site-footer friend-link {
            display: block;
            margin: 0.75rem 0 0.2rem;
            font-weight: 500;
        }
        .site-footer friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
        }
        .site-footer .copyright {
            margin-top: 1rem;
            font-size: 0.85rem;
            color: #777;
            text-align: center;
            border-top: 1px solid #ece4d9;
            padding-top: 1rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 1rem 1rem 2rem;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 0.8rem 0;
                border-radius: 12px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 100;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                display: block;
                padding: 0.6rem 1.2rem;
            }
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                position: relative;
            }
            .search-block {
                flex-direction: column;
                align-items: stretch;
            }
            .search-block form {
                flex: 1 1 auto;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stat-table {
                font-size: 0.85rem;
            }
            .stat-table th,
            .stat-table td {
                padding: 0.5rem 0.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0.75rem 0.75rem 1.5rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            .meta-row {
                flex-direction: column;
                align-items: flex-start;
                font-size: 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        .highlight {
            background: linear-gradient(to right, #fef3c7, #fde68a);
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #7c3aed;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.7rem;
            border-radius: 30px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 0.3rem;
        }
        .faq-item {
            margin: 0.8rem 0;
            padding: 0.8rem 1rem;
            background: #faf7f2;
            border-radius: 12px;
            border-left: 4px solid #b45309;
        }
        .faq-item strong {
            color: #1a1a2e;
        }
        .toc {
            background: #f7f3ed;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            margin: 1.5rem 0;
        }
        .toc ul {
            list-style: none;
            padding: 0;
        }
        .toc ul li {
            margin-bottom: 0.3rem;
        }
        .toc ul li a {
            font-weight: 500;
        }
        .toc ul li a::before {
            content: "▸ ";
            color: #b45309;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            background: #1a1a2e;
            color: #fff;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            z-index: 999;
        }
        .skip-link:focus {
            top: 1rem;
        }