*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f9f7f2;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #2a6f97;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1b4d6b;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1 {
            font-size: 2.4rem;
            margin: 1.5rem 0 0.5rem;
            color: #2d3e50;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            border-bottom: 3px solid #e0d6c8;
            padding-bottom: 0.4rem;
            color: #2d3e50;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.6rem;
            color: #3e5a70;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem;
            color: #4d6b82;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .text-small {
            font-size: 0.9rem;
            color: #5a5a5a;
        }
        header {
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #ddd6cb;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 700;
            color: #2d3e50;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #c89f7b;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #1b2b3a;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .nav-links {
            display: flex;
            gap: 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-links li a {
            font-weight: 500;
            padding: 0.3rem 0;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #2d3e50;
            padding: 0.2rem 0.4rem;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.4rem;
            font-size: 0.9rem;
            color: #6b6b6b;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #6b6b6b;
        }
        .breadcrumb a:hover {
            color: #2a6f97;
        }
        .breadcrumb span {
            margin: 0 0.2rem;
        }
        .hero-img {
            margin: 1.8rem 0 1.2rem;
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            background: #e0d6c8;
        }
        .form-block {
            background: #f0ece4;
            padding: 1.4rem 1.6rem;
            border-radius: 16px;
            margin: 2rem 0;
            border: 1px solid #ddd6cb;
        }
        .form-block h3 {
            margin-top: 0;
        }
        .form-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            flex: 1 1 200px;
            padding: 0.6rem 1rem;
            border: 1px solid #ccc5b8;
            border-radius: 8px;
            font-size: 1rem;
            background: #fff;
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }
        .form-group button {
            padding: 0.6rem 1.6rem;
            background: #2a6f97;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease;
            white-space: nowrap;
        }
        .form-group button:hover {
            background: #1b4d6b;
        }
        .form-group button i {
            margin-right: 0.4rem;
        }
        .comment-list {
            margin-top: 1.2rem;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #ddd6cb;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 600;
            color: #2d3e50;
        }
        .comment-date {
            font-size: 0.8rem;
            color: #6b6b6b;
            margin-left: 1rem;
        }
        .comment-body {
            margin-top: 0.3rem;
        }
        .score-stars {
            display: flex;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #e0c48b;
            cursor: pointer;
        }
        .score-stars i {
            transition: color 0.15s ease;
        }
        .score-stars i:hover,
        .score-stars i.active {
            color: #f5b342;
        }
        friend-link {
            display: block;
            padding: 1rem 0 0.4rem;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
        }
        footer {
            border-top: 2px solid #ddd6cb;
            padding: 1.8rem 0 2.2rem;
            margin-top: 3rem;
            text-align: center;
            font-size: 0.9rem;
            color: #5a5a5a;
        }
        footer .copyright {
            margin-top: 0.8rem;
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                gap: 0.6rem;
                position: absolute;
                top: 70px;
                left: 1rem;
                right: 1rem;
                background: #f9f7f2;
                border: 1px solid #ddd6cb;
                border-radius: 12px;
                padding: 1.2rem 1.4rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                z-index: 100;
            }
            #nav-toggle:checked~.nav-links {
                display: flex;
            }
            .nav-wrapper {
                position: relative;
            }
            .form-group {
                flex-direction: column;
                align-items: stretch;
            }
            .form-group input,
            .form-group textarea,
            .form-group select {
                flex: 1 1 auto;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .score-stars {
                font-size: 1.4rem;
            }
        }
        @media (min-width: 769px) {
            .hamburger {
                display: none !important;
            }
            #nav-toggle {
                display: none !important;
            }
            .nav-links {
                display: flex !important;
                flex-direction: row;
                position: static;
                background: transparent;
                border: none;
                padding: 0;
                box-shadow: none;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .gap-1 {
            gap: 1rem;
        }
        .text-center {
            text-align: center;
        }
        .highlight {
            background: #f7efe3;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .uk-phrase {
            font-style: italic;
            color: #7a5a4a;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.2rem;
            margin: 1.2rem 0;
        }
        .card {
            background: #fffcf7;
            border: 1px solid #e0d6c8;
            border-radius: 14px;
            padding: 1.2rem 1.2rem 1.4rem;
            transition: box-shadow 0.2s ease, transform 0.15s ease;
        }
        .card:hover {
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
            transform: translateY(-2px);
        }
        .card h4 {
            margin-top: 0;
        }
        .card i {
            color: #c89f7b;
            margin-right: 0.4rem;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
        }
        .data-table th,
        .data-table td {
            padding: 0.7rem 1rem;
            border: 1px solid #ddd6cb;
            text-align: left;
        }
        .data-table th {
            background: #e8e0d6;
            font-weight: 600;
        }
        .data-table tr:nth-child(even) {
            background: #f7f3ec;
        }
        blockquote {
            border-left: 4px solid #c89f7b;
            padding: 0.8rem 1.2rem;
            margin: 1.4rem 0;
            background: #f7f3ec;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #3e3a36;
        }
        blockquote footer {
            border: none;
            padding: 0.4rem 0 0;
            text-align: right;
            font-size: 0.9rem;
            color: #6b6b6b;
        }
        section {
            margin: 2.2rem 0;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6b6b6b;
            text-align: right;
            margin-top: -0.6rem;
            margin-bottom: 1.2rem;
        }
        :target {
            scroll-margin-top: 80px;
        }