*,
        *::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, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            background: #f8f6f2;
            color: #2d2a26;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #1f3a4b;
            color: #f0ede8;
            padding: 16px 0;
            border-bottom: 4px solid #c6945a;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-decoration: none;
            color: #f0ede8;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: #c6945a;
            font-size: 2rem;
        }
        .my-logo span {
            font-weight: 300;
            color: #c6945a;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .main-nav a {
            color: #e8e0d6;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #c6945a;
            color: #1f3a4b;
            outline: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f0ede8;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e8e0d6;
            padding: 8px 0;
            font-size: 0.85rem;
            color: #4a4a4a;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: #1f3a4b;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: #9a8a7a;
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: #6a5a4a;
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #1f3a4b;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1f3a4b;
            margin-top: 48px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 3px solid #c6945a;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2d4a5e;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3a5a6e;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #3a3530;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #2d2a26;
            background: #ede8e0;
            padding: 20px 24px;
            border-radius: 12px;
            border-left: 6px solid #c6945a;
            margin-bottom: 28px;
        }
        a {
            color: #0066a8;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s;
        }
        a:hover {
            color: #c6945a;
        }
        ul,
        ol {
            margin: 0 0 20px 28px;
            font-size: 1.05rem;
            color: #3a3530;
        }
        li {
            margin-bottom: 6px;
        }
        .featured-image {
            margin: 32px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #ede8e0;
            padding: 10px 18px;
            font-size: 0.9rem;
            color: #5a4a3a;
            font-style: italic;
        }
        .highlight-box {
            background: #eaf0f4;
            padding: 20px 24px;
            border-radius: 12px;
            border-left: 6px solid #1f3a4b;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #1f3a4b;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
            margin-right: 6px;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .data-card {
            background: #ffffff;
            border-radius: 14px;
            padding: 20px 18px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e0d8d0;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.10);
        }
        .data-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #c6945a;
            display: block;
        }
        .data-card .label {
            font-size: 0.95rem;
            color: #5a4a3a;
            font-weight: 500;
        }
        .age-table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 1rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .age-table th {
            background: #1f3a4b;
            color: #f0ede8;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .age-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #e0d8d0;
        }
        .age-table tr:last-child td {
            border-bottom: none;
        }
        .age-table tr:hover td {
            background: #f4f0ea;
        }
        .age-table .rating-stars i {
            color: #c6945a;
            margin-right: 2px;
        }
        .interview-block {
            background: #f4f0ea;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 32px 0;
            border: 1px solid #ddd6cc;
        }
        .interview-block .quote {
            font-size: 1.15rem;
            font-style: italic;
            border-left: 4px solid #c6945a;
            padding-left: 20px;
            margin: 16px 0;
            color: #2d2a26;
        }
        .interview-block .attribution {
            font-weight: 600;
            color: #1f3a4b;
            margin-top: 8px;
        }
        .feedback-section {
            margin-top: 56px;
            padding-top: 32px;
            border-top: 2px dashed #ccc6be;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin: 24px 0;
        }
        .feedback-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 26px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e0d8d0;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #ccc6be;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            background: #faf8f5;
            transition: border 0.2s;
            margin-bottom: 14px;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #c6945a;
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 148, 90, 0.2);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn {
            background: #1f3a4b;
            color: #f0ede8;
            border: none;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card .btn:hover {
            background: #c6945a;
            color: #1f3a4b;
        }
        .feedback-card .btn:active {
            transform: scale(0.97);
        }
        .rating-select {
            display: flex;
            gap: 6px;
            margin-bottom: 14px;
        }
        .rating-select i {
            font-size: 1.6rem;
            color: #d5cec4;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-select i.active,
        .rating-select i:hover {
            color: #c6945a;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 18px 0 28px;
            max-width: 520px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #ccc6be;
            border-radius: 30px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #c6945a;
            outline: none;
        }
        .search-form button {
            background: #1f3a4b;
            color: #f0ede8;
            border: none;
            padding: 12px 22px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-form button:hover {
            background: #c6945a;
            color: #1f3a4b;
        }
        .link-list-section {
            background: #ede8e0;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 36px 0;
        }
        .link-list-section h3 {
            margin-top: 0;
        }
        .link-list-section ul {
            columns: 2 220px;
            list-style: none;
            margin-left: 0;
        }
        .link-list-section li {
            margin-bottom: 8px;
            break-inside: avoid;
        }
        .link-list-section a {
            font-weight: 500;
        }
        .site-footer {
            background: #1f3a4b;
            color: #d5cec4;
            padding: 36px 0 20px;
            border-top: 4px solid #c6945a;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }
        .site-footer a {
            color: #e8e0d6;
            text-decoration: underline;
        }
        .site-footer a:hover {
            color: #c6945a;
        }
        .site-footer .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #3a5a6e;
            padding-top: 18px;
            margin-top: 12px;
            font-size: 0.9rem;
            text-align: center;
            color: #aaa49c;
        }
        friend-link {
            display: block;
            margin: 12px 0 8px;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 720px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1f3a4b;
                padding: 16px 0 12px;
                gap: 8px;
                border-top: 2px solid #c6945a;
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                font-size: 1.05rem;
            }
            .age-table {
                font-size: 0.9rem;
            }
            .age-table th,
            .age-table td {
                padding: 10px 10px;
            }
            .link-list-section ul {
                columns: 1;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .interview-block {
                padding: 18px 16px;
            }
            .feedback-card {
                padding: 18px 16px;
            }
        }
        @media print {
            .site-header {
                position: static;
            }
            .nav-toggle {
                display: none !important;
            }
            .main-nav {
                display: flex !important;
            }
            .feedback-section {
                page-break-inside: avoid;
            }
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 8px;
            background: #c6945a;
            color: #1f3a4b;
            padding: 8px 16px;
            border-radius: 0 0 8px 8px;
            font-weight: 600;
            z-index: 200;
            transition: top 0.2s;
            text-decoration: none;
        }
        .skip-link:focus {
            top: 0;
        }