* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f0eb;
            color: #1e1c1a;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #9b6b3e;
            text-decoration: underline;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #6d4a2a;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #1a1816;
            padding: 16px 0;
            border-bottom: 4px solid #9b6b3e;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            text-decoration: none;
            color: #e8d5b0;
            background: linear-gradient(135deg, #d4a96a, #9b6b3e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            color: #e8d5b0;
            -webkit-text-fill-color: #e8d5b0;
        }
        .my-logo small {
            font-size: 0.75rem;
            display: block;
            -webkit-text-fill-color: #b0a090;
            color: #b0a090;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            list-style: none;
        }
        .main-nav li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 30px;
            text-decoration: none;
            color: #d4c9bc;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav li a:hover {
            background: #9b6b3e;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #9b6b3e;
            color: #e8d5b0;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #9b6b3e20;
        }
        .breadcrumb-wrap {
            background: #e8e0d6;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d4c9bc;
        }
        .breadcrumb-wrap nav ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px 12px;
            padding: 0;
        }
        .breadcrumb-wrap nav ol li+li::before {
            content: "›";
            margin-right: 10px;
            color: #9b6b3e;
            font-weight: 700;
        }
        .breadcrumb-wrap a {
            color: #6d4a2a;
            text-decoration: none;
        }
        .breadcrumb-wrap a:hover {
            text-decoration: underline;
        }
        .breadcrumb-wrap .current {
            color: #1e1c1a;
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #1a1816;
            letter-spacing: -0.5px;
        }
        .article-body h1 .highlight {
            background: linear-gradient(135deg, #9b6b3e, #d4a96a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #d4a96a;
            color: #1a1816;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #2d2a27;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: #3d3a36;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #2a2724;
        }
        .article-body .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #4a4540;
            border-left: 4px solid #9b6b3e;
            padding-left: 20px;
            margin-bottom: 30px;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body strong {
            color: #1a1816;
        }
        .article-body .emoji-md {
            font-size: 1.3rem;
            margin-right: 4px;
        }
        .featured-image {
            margin: 30px 0 36px;
            border-radius: 16px;
            overflow: hidden;
            background: #e8e0d6;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #5a554f;
            background: #faf7f3;
            border-top: 1px solid #e0d6ca;
        }
        .info-box {
            background: #faf7f3;
            border-left: 6px solid #9b6b3e;
            border-radius: 12px;
            padding: 20px 24px;
            margin: 24px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .info-box h4 {
            margin-top: 0;
            color: #9b6b3e;
        }
        .info-box ul {
            margin: 8px 0 0;
            list-style: none;
            padding: 0;
        }
        .info-box ul li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 6px;
        }
        .info-box ul li::before {
            content: "✦";
            position: absolute;
            left: 0;
            color: #9b6b3e;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #faf7f3;
            font-size: 0.95rem;
        }
        table th {
            background: #1a1816;
            color: #e8d5b0;
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 12px 18px;
            border-bottom: 1px solid #e0d6ca;
        }
        table tr:last-child td {
            border-bottom: none;
        }
        table tr:hover td {
            background: #f0eade;
        }
        .sidebar {
            background: #faf7f3;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #e0d6ca;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1a1816;
            margin-bottom: 16px;
            border-bottom: 2px solid #d4a96a;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 10px;
        }
        .sidebar ul li a {
            text-decoration: none;
            color: #2d2a27;
            font-weight: 500;
            display: block;
            padding: 6px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .sidebar ul li a:hover {
            background: #e8e0d6;
            color: #9b6b3e;
        }
        .sidebar .stock-badge {
            display: inline-block;
            background: #2a7d3e;
            color: #fff;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0 30px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #d4c9bc;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
            outline: none;
        }
        .search-form input:focus {
            border-color: #9b6b3e;
        }
        .search-form button {
            padding: 12px 24px;
            background: #9b6b3e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: #6d4a2a;
        }
        .feedback-section {
            margin-top: 50px;
            padding-top: 40px;
            border-top: 3px solid #e0d6ca;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #faf7f3;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #e0d6ca;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #1a1816;
        }
        .feedback-card form input,
        .feedback-card form textarea,
        .feedback-card form select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid #d4c9bc;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            margin-bottom: 14px;
            transition: border-color 0.2s;
            outline: none;
            font-family: inherit;
        }
        .feedback-card form input:focus,
        .feedback-card form textarea:focus,
        .feedback-card form select:focus {
            border-color: #9b6b3e;
        }
        .feedback-card form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card form button {
            padding: 12px 28px;
            background: #9b6b3e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
        }
        .feedback-card form button:hover {
            background: #6d4a2a;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            margin-bottom: 14px;
            font-size: 1.6rem;
            color: #d4c9bc;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s;
        }
        .star-rating i.active {
            color: #d4a96a;
        }
        .star-rating i:hover {
            color: #d4a96a;
        }
        .site-footer {
            background: #1a1816;
            color: #b0a090;
            padding: 40px 0 24px;
            border-top: 4px solid #9b6b3e;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-inner h4 {
            color: #e8d5b0;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .footer-inner a {
            color: #c4b8a8;
            text-decoration: none;
            display: inline-block;
            margin-bottom: 4px;
        }
        .footer-inner a:hover {
            color: #e8d5b0;
            text-decoration: underline;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner ul li {
            margin-bottom: 4px;
        }
        friend-link {
            display: block;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #3a3530;
            font-style: normal;
        }
        friend-link a {
            margin-right: 20px;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #3a3530;
            font-size: 0.85rem;
            color: #7a7068;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1a1816;
                padding: 16px 0 8px;
                margin-top: 12px;
                border-top: 1px solid #3a3530;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                padding: 12px 20px;
                border-radius: 0;
                border-bottom: 1px solid #2a2724;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                position: static;
                margin-top: 30px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form button {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .article-body .lead {
                font-size: 1rem;
                padding-left: 14px;
            }
            table th,
            table td {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .last-update {
            font-size: 0.85rem;
            color: #7a7068;
            margin-bottom: 20px;
            display: block;
            font-style: italic;
        }
        .tag {
            display: inline-block;
            background: #e8e0d6;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #4a4540;
            margin-right: 6px;
        }
