*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f2;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 1rem;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #b22222;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8b1a1a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: #0a2a44;
        }
        h1 {
            font-size: 2.4rem;
            margin: 1.5rem 0 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2rem 0 0.75rem;
            border-bottom: 3px solid #b22222;
            padding-bottom: 0.35rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.5rem 0 0.5rem;
            color: #1a3a5e;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem;
            color: #2a4a6e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.6rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        .container {
            background: #ffffff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .text-center {
            text-align: center;
        }
        .badge {
            display: inline-block;
            background: #b22222;
            color: #fff;
            padding: 0.2rem 0.9rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 0 1.2rem;
            border-bottom: 2px solid #e6ddd0;
            margin-bottom: 1.2rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #0a2a44;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            color: #b22222;
            font-size: 2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #b22222;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #666;
            letter-spacing: 0.3px;
            margin-left: 0.3rem;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #1e1e1e;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: #b22222;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #0a2a44;
            padding: 0.2rem 0.5rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 1rem;
            margin: 0;
            font-size: 0.85rem;
            color: #666;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #999;
        }
        .breadcrumb a {
            color: #b22222;
        }
        .breadcrumb .active {
            color: #444;
            font-weight: 600;
        }
        .search-box {
            display: flex;
            max-width: 520px;
            margin: 1.5rem auto 2rem;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
            border: 1px solid #ddd;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border: none;
            font-size: 1rem;
            outline: none;
            background: #fff;
        }
        .search-box button {
            background: #b22222;
            color: #fff;
            border: none;
            padding: 0 1.8rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-box button:hover {
            background: #8b1a1a;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #f9f7f3;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            border: 1px solid #e8e0d4;
        }
        .feedback-card h3 {
            margin-top: 0;
            border-bottom: 2px solid #b22222;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #d5cdc0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #b22222;
            outline: none;
            box-shadow: 0 0 0 3px rgba(178, 34, 34, 0.12);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #b22222;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #8b1a1a;
            transform: scale(0.97);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.7rem;
            color: #d5cdc0;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.5rem;
            margin-top: 2rem;
            border-top: 2px solid #e6ddd0;
        }
        friend-link h4 {
            margin: 0 0 0.6rem;
            font-size: 1rem;
            color: #444;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.4rem;
            margin: 0;
        }
        friend-link a {
            font-size: 0.9rem;
            color: #555;
            border-bottom: 1px dotted #ccc;
        }
        friend-link a:hover {
            color: #b22222;
            border-bottom-color: #b22222;
        }
        footer {
            margin-top: 2.5rem;
            padding: 1.5rem 0 0.8rem;
            border-top: 2px solid #e6ddd0;
            font-size: 0.85rem;
            color: #666;
            text-align: center;
        }
        footer .copyright {
            font-weight: 500;
            color: #333;
        }
        @media (max-width: 820px) {
            .container {
                padding: 1rem 1.2rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            header {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #fff;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #e6ddd0;
                margin-top: 0.5rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                width: 100%;
                border-radius: 0;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo small {
                display: none;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0.5rem;
            }
            .container {
                padding: 0.8rem 0.9rem;
                border-radius: 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .search-box input {
                padding: 0.6rem 0.9rem;
                font-size: 0.9rem;
            }
            .search-box button {
                padding: 0 1rem;
            }
            .feedback-card {
                padding: 1rem;
            }
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .highlight {
            background: #fff3cd;
            padding: 0.05rem 0.3rem;
            border-radius: 4px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #f0ebe3;
            border-radius: 14px;
            padding: 1.2rem 0.8rem;
            text-align: center;
            border: 1px solid #e0d6c8;
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #b22222;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #555;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.4px;
        }
        .quote-block {
            background: #f4efe8;
            border-left: 5px solid #b22222;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            font-style: italic;
            color: #2e2e2e;
        }
        .quote-block .attribution {
            font-style: normal;
            font-weight: 600;
            margin-top: 0.5rem;
            color: #0a2a44;
        }
        .img-wrapper {
            margin: 2rem 0;
            border-radius: 14px;
            overflow: hidden;
            background: #eae3d8;
            position: relative;
        }
        .img-wrapper figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #555;
            background: #f4efe8;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            text-align: left;
            border-bottom: 1px solid #e0d6c8;
        }
        th {
            background: #0a2a44;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f9f6f1;
        }
        .tag {
            display: inline-block;
            background: #e6ddd0;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #3a3a3a;
            margin-right: 0.3rem;
        }