*,
        *::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: #f8f6f2;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b6452c;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8a331f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #142026;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #b6452c;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #ddd6cc;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0 0 1.5rem 2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        blockquote {
            background: #ece7e0;
            padding: 1.2rem 1.8rem;
            border-left: 5px solid #b6452c;
            border-radius: 8px;
            margin: 1.5rem 0;
            font-style: italic;
            color: #2c3a42;
        }
        hr {
            border: none;
            border-top: 1px solid #d5ccc2;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            padding: 1.2rem 1.8rem 2.5rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            border-radius: 20px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.6rem;
            border-bottom: 2px solid #e5ddd3;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(145deg, #b6452c, #7a2e1b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a6a72;
            background: none;
            color: #5a6a72;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            padding: 0.4rem 0.9rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #1e2a2f;
            transition: background 0.2s, color 0.2s;
        }
        .nav-bar a:hover {
            background: #b6452c;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #1e2a2f;
            padding: 0.2rem 0.6rem;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.9rem;
            color: #6a7a82;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #b6452c;
        }
        .breadcrumb a {
            color: #6a7a82;
        }
        .breadcrumb a:hover {
            color: #b6452c;
        }
        .breadcrumb .active {
            color: #1e2a2f;
            font-weight: 600;
        }
        .search-wrap {
            background: #f2eee9;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            margin: 1.8rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            align-items: center;
        }
        .search-wrap label {
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-wrap form {
            display: flex;
            flex: 1;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-wrap input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 0.6rem 1rem;
            border: 1px solid #ccc3b8;
            border-radius: 40px;
            font-size: 0.95rem;
            background: #fff;
        }
        .search-wrap button {
            padding: 0.6rem 1.4rem;
            background: #b6452c;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-wrap button:hover {
            background: #8a331f;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .feedback-card {
            background: #f8f5f0;
            padding: 1.4rem 1.6rem;
            border-radius: 18px;
            border: 1px solid #e3dbd0;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            margin-top: 0.6rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.6rem 0.9rem;
            border: 1px solid #ccc3b8;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fff;
            font-family: inherit;
        }
        .feedback-card textarea {
            min-height: 70px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 0.6rem 1.2rem;
            background: #b6452c;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #8a331f;
        }
        .feature-img {
            margin: 2rem 0;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.07);
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: #5a6a72;
            text-align: center;
            margin-top: 0.4rem;
        }
        .site-footer {
            margin-top: 3rem;
            padding-top: 1.8rem;
            border-top: 2px solid #e5ddd3;
            font-size: 0.95rem;
            color: #4a5a62;
        }
        .site-footer friend-link {
            display: block;
            margin: 1rem 0 0.6rem;
            padding: 0.8rem 1.2rem;
            background: #f2eee9;
            border-radius: 14px;
        }
        .site-footer friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
        }
        .copyright {
            text-align: center;
            padding: 1rem 0 0.4rem;
            font-size: 0.85rem;
            color: #6a7a82;
        }
        @media (max-width: 800px) {
            .container {
                padding: 0.8rem 1rem 2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .nav-bar {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #fff;
                padding: 1rem 0;
                border-top: 1px solid #e5ddd3;
                margin-top: 0.6rem;
            }
            .nav-bar a {
                width: 100%;
                padding: 0.6rem 1rem;
            }
            .hamburger {
                display: inline-block;
            }
            #nav-toggle:checked~.nav-bar {
                display: flex;
            }
            .site-header {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.4rem;
            }
            .container {
                padding: 0.6rem 0.8rem 1.6rem;
            }
            h1 {
                font-size: 1.4rem;
                padding-left: 0.6rem;
            }
            .search-wrap form {
                flex-direction: column;
            }
            .search-wrap input[type="text"] {
                min-width: auto;
            }
        }
        .text-muted {
            color: #5a6a72;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .mt-2 {
            margin-top: 1.2rem;
        }
        .mb-1 {
            margin-bottom: 0.6rem;
        }
        .badge {
            background: #b6452c;
            color: #fff;
            padding: 0.1rem 0.7rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #ddd6cc;
            text-align: left;
        }
        th {
            background: #ece7e0;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8f5f0;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a7a82;
            text-align: right;
            margin-top: 0.2rem;
            border-top: 1px dashed #ddd6cc;
            padding-top: 0.6rem;
        }