*,
        *::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: #f7f5f0;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #6b4c0a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: #1a2a1f;
        }
        h1 {
            font-size: 2.2rem;
            margin: 1.5rem 0 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2rem 0 0.8rem;
            border-bottom: 3px solid #b8860b;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.4rem;
            margin: 1.6rem 0 0.6rem;
        }
        h4 {
            font-size: 1.15rem;
            margin: 1.2rem 0 0.4rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            padding: 0 1.5rem 2rem;
            border-radius: 0 0 20px 20px;
        }
        header {
            background: #1a2a1f;
            color: #f5f0e8;
            padding: 0.8rem 1.5rem;
            border-radius: 0 0 18px 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
            margin: 0 -1.5rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: #f5e7c8;
            background: linear-gradient(135deg, #b8860b, #d4a843);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(184, 134, 11, 0.3);
            display: inline-block;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #f5e7c8;
            margin-right: 6px;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.2rem 1rem;
            flex-wrap: wrap;
            padding: 0;
        }
        .nav-list li a {
            color: #f5f0e8;
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: rgba(245, 231, 200, 0.15);
            color: #d4a843;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f5e7c8;
            color: #f5e7c8;
            font-size: 1.5rem;
            padding: 0.2rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(245, 231, 200, 0.1);
        }
        .breadcrumb {
            background: transparent;
            padding: 0.8rem 0 0.3rem;
            font-size: 0.88rem;
            color: #5a5a5a;
            margin: 0 -1.5rem 0.5rem;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            border-bottom: 1px solid #e8e3d8;
        }
        .breadcrumb a {
            color: #7a6a4a;
        }
        .breadcrumb a:hover {
            color: #b8860b;
        }
        .breadcrumb span {
            color: #3a3a3a;
        }
        .search-section {
            background: #f0ede6;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 1.8rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section label {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.1rem;
        }
        .search-form {
            display: flex;
            flex: 1 1 300px;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #d4cbb8;
            border-radius: 30px;
            font-size: 1rem;
            background: #fff;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: #b8860b;
        }
        .search-form button {
            background: #b8860b;
            border: none;
            color: #fff;
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #6b4c0a;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .feedback-card {
            background: #faf8f4;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            border: 1px solid #e8e3d8;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.8rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.9rem;
            color: #d4cbb8;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-card form input,
        .feedback-card form textarea {
            padding: 0.6rem 1rem;
            border: 2px solid #d4cbb8;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fff;
            outline: none;
            transition: border 0.25s;
        }
        .feedback-card form input:focus,
        .feedback-card form textarea:focus {
            border-color: #b8860b;
        }
        .feedback-card form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card form button {
            background: #1a2a1f;
            color: #f5f0e8;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-card form button:hover {
            background: #2a4a2f;
        }
        .feature-img {
            border-radius: 20px;
            margin: 2rem 0;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
        }
        figcaption {
            font-size: 0.85rem;
            color: #6a6a6a;
            text-align: center;
            margin-top: 0.3rem;
        }
        .content a {
            font-weight: 500;
        }
        friend-link {
            display: block;
            background: #f0ede6;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0 1rem;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
        }
        friend-link ul li a {
            font-weight: 500;
            padding: 0.2rem 0.4rem;
        }
        footer {
            background: #1a2a1f;
            color: #d4d0c8;
            padding: 2rem 1.5rem 1.2rem;
            border-radius: 18px 18px 0 0;
            margin: 2rem -1.5rem -2rem;
            text-align: center;
            font-size: 0.92rem;
        }
        footer a {
            color: #d4a843;
        }
        footer a:hover {
            color: #f5e7c8;
        }
        footer .copyright {
            border-top: 1px solid #3a4a3f;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            font-size: 0.85rem;
            color: #a8a49c;
        }
        @media (max-width: 820px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a2a1f;
                padding: 1rem 0.5rem;
                border-radius: 0 0 16px 16px;
                margin-top: 0.5rem;
            }
            .nav-list.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .nav-wrap {
                flex-wrap: wrap;
            }
            header {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 1rem 1.5rem;
            }
            .search-section {
                flex-direction: column;
                align-items: stretch;
                padding: 1.2rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            friend-link {
                padding: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.4rem;
            }
            .container {
                padding: 0 0.6rem 1rem;
            }
            header {
                padding: 0.6rem 1rem;
                margin: 0 -0.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
            footer {
                margin-left: -0.6rem;
                margin-right: -0.6rem;
                padding: 1.2rem 1rem;
            }
        }
        .text-muted {
            color: #6a6a6a;
        }
        .last-update {
            font-size: 0.85rem;
            color: #8a8a8a;
            text-align: right;
            margin-top: 0.5rem;
            border-top: 1px dashed #ddd;
            padding-top: 0.5rem;
        }
        .emoji-lg {
            font-size: 1.3rem;
        }
        .highlight {
            background: linear-gradient(120deg, #f5e7c8 0%, #f5e7c8 40%, transparent 80%);
            padding: 0 0.2rem;
            font-weight: 500;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: #1a2a1f;
            color: #f5e7c8;
            padding: 0.6rem 1rem;
            text-align: left;
        }
        table td {
            padding: 0.5rem 1rem;
            border-bottom: 1px solid #e8e3d8;
        }
        table tr:nth-child(even) {
            background: #faf8f4;
        }