*,
        *::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: #f8f7f4;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #7a2e0e;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            color: #1a1a1a;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #d97706;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #d97706;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2d2d2d;
        }
        h4 {
            font-size: 1.1rem;
            color: #3d3d3d;
        }
        p {
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
        }
        .container {
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            padding: 1.5rem 2rem 2rem;
            margin: 1.5rem 0 2.5rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #e5e2db;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #d97706, #b45309);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #555;
            color: #555;
            letter-spacing: 0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #d97706;
            border-radius: 8px;
            padding: 0.4rem 0.7rem;
            font-size: 1.4rem;
            color: #d97706;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #d97706;
            color: #fff;
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 1.2rem;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0;
        }
        .primary-nav li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            color: #2d2d2d;
        }
        .primary-nav li a:hover {
            border-bottom-color: #d97706;
            color: #b45309;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: #6b6b6b;
            padding: 0.8rem 0 0.2rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #b45309;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6b6b6b;
        }
        .breadcrumb a:hover {
            color: #b45309;
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            background: #f3f1ed;
            padding: 1.2rem 1.5rem;
            border-radius: 60px;
            margin: 1.5rem 0 1rem;
            align-items: center;
        }
        .search-box i {
            color: #b45309;
            font-size: 1.2rem;
        }
        .search-box input {
            flex: 1;
            min-width: 160px;
            border: none;
            background: transparent;
            font-size: 1rem;
            padding: 0.3rem 0;
            outline: none;
            font-family: inherit;
        }
        .search-box button {
            background: #d97706;
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 0.5rem 1.8rem;
            border-radius: 40px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-box button:hover {
            background: #b45309;
            transform: scale(1.02);
        }
        .hero-img {
            margin: 1.8rem 0 2rem;
            border-radius: 18px;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 0.7rem 1.2rem;
            background: #faf8f5;
            padding: 1.2rem 1.5rem;
            border-radius: 20px;
            margin: 1.8rem 0;
            border: 1px solid #e8e3db;
        }
        .link-grid a {
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .link-grid a::before {
            content: "🎸";
            font-size: 0.85rem;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding: 1.8rem 2rem;
            background: #fbfaf7;
            border-radius: 24px;
            border: 1px solid #e8e3db;
        }
        .feedback-section form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-section label {
            font-weight: 600;
            font-size: 0.95rem;
        }
        .feedback-section input,
        .feedback-section textarea,
        .feedback-section select {
            padding: 0.6rem 1rem;
            border: 1px solid #d1ccc4;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fff;
            transition: 0.2s;
        }
        .feedback-section input:focus,
        .feedback-section textarea:focus,
        .feedback-section select:focus {
            border-color: #d97706;
            outline: none;
            box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
        }
        .feedback-section textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-section .btn-submit {
            background: #d97706;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-weight: 700;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
        }
        .feedback-section .btn-submit:hover {
            background: #b45309;
            transform: scale(1.02);
        }
        .rating-star-group {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #f59e0b;
            cursor: pointer;
        }
        .rating-star-group i {
            transition: 0.15s;
        }
        .rating-star-group i:hover {
            transform: scale(1.2);
        }
        .site-footer {
            border-top: 2px solid #e5e2db;
            padding: 2rem 0 1.5rem;
            margin-top: 2.5rem;
            font-size: 0.9rem;
            color: #4a4a4a;
        }
        .site-footer friend-link {
            display: block;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }
        .site-footer friend-link a {
            display: inline-block;
            margin-right: 1.5rem;
            font-weight: 500;
        }
        .copyright {
            font-size: 0.85rem;
            color: #6b6b6b;
            padding-top: 0.8rem;
            border-top: 1px solid #e0dbd3;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 1rem 1.5rem;
                margin: 1rem 0;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .site-header {
                padding-top: 0.6rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .nav-toggle {
                display: inline-block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.3rem;
                padding: 0.8rem 0 0.4rem;
                border-top: 1px solid #e5e2db;
                margin-top: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav li a {
                display: block;
                padding: 0.4rem 0;
                font-size: 1rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 0.2rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: 24px;
                padding: 1rem;
                align-items: stretch;
            }
            .search-box button {
                padding: 0.5rem 1rem;
            }
            .feedback-section {
                grid-template-columns: 1fr;
                gap: 1.8rem;
                padding: 1.2rem 1rem;
            }
            .link-grid {
                grid-template-columns: 1fr 1fr;
            }
            .site-footer friend-link a {
                display: block;
                margin-bottom: 0.3rem;
            }
        }
        @media (max-width: 480px) {
            .link-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
                padding-left: 0.6rem;
            }
            .container {
                padding: 0.8rem 0.8rem 1.2rem;
            }
            .rating-star-group {
                font-size: 1.3rem;
            }
        }
        .badge {
            display: inline-block;
            background: #fef3c7;
            color: #92400e;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            letter-spacing: 0.02em;
        }
        .highlight {
            background: linear-gradient(to right, #fef3c7, #fde68a);
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #d97706, transparent);
            margin: 2rem 0;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #888;
            margin-top: 0.3rem;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .last-updated i {
            color: #d97706;
        }
        .content-article p {
            max-width: 75ch;
        }
        .content-article ul,
        .content-article ol {
            max-width: 75ch;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 16px;
            border: 1px solid #e8e3db;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th {
            background: #f3efea;
            font-weight: 700;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        td {
            padding: 0.7rem 1rem;
            border-top: 1px solid #ece7e0;
        }
        tr:hover td {
            background: #fdfaf5;
        }