*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f7f5f2;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #b45309;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s;
        }
        a:hover {
            color: #78350f;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: #1a1a2e;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #b45309;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d2d3a;
        }
        ul,
        ol {
            margin: 1rem 0 1.5rem 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #1a1a2e, #16213e);
            color: #f0e6d3;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: #fbbf24;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #fcd34d;
        }
        .my-logo i {
            font-size: 1.6rem;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        nav a {
            color: #e2d9cd;
            text-decoration: none;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            border: 1px solid transparent;
        }
        nav a:hover {
            background: rgba(251, 191, 36, 0.15);
            border-color: #fbbf24;
            color: #fbbf24;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f0e6d3;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .breadcrumb {
            background: #f0ebe4;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #ddd6cb;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #8b7d6b;
        }
        .breadcrumb a {
            color: #7c6a56;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #1a1a2e;
            font-weight: 500;
        }
        .article-wrapper {
            background: #ffffff;
            border-radius: 28px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
            padding: 2.5rem 2.8rem;
            margin: 2rem 0 3rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 2.5rem;
            padding-bottom: 1.8rem;
            border-bottom: 2px dashed #e6ddd2;
        }
        .article-header .meta {
            font-size: 0.9rem;
            color: #7c6a56;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.2rem;
            margin-top: 0.8rem;
        }
        .article-header .meta i {
            margin-right: 4px;
        }
        .featured-image {
            margin: 2rem 0 2.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.10);
        }
        .featured-image figcaption {
            background: #f7f5f2;
            padding: 0.7rem 1rem;
            font-size: 0.85rem;
            color: #5a4e3e;
            text-align: center;
        }
        .search-section {
            background: #f7f3ee;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
        }
        .search-section label {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.1rem;
        }
        .search-section form {
            flex: 1;
            display: flex;
            gap: 0.5rem;
            min-width: 200px;
        }
        .search-section input[type="text"] {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border: 2px solid #ddd6cb;
            border-radius: 40px;
            font-size: 1rem;
            background: white;
            transition: border 0.25s;
            outline: none;
        }
        .search-section input[type="text"]:focus {
            border-color: #b45309;
        }
        .search-section button {
            background: #b45309;
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            font-size: 1rem;
        }
        .search-section button:hover {
            background: #92400e;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3rem 0 2rem;
        }
        .comment-box,
        .rating-box {
            background: #faf8f5;
            border: 1px solid #e6ddd2;
            border-radius: 20px;
            padding: 1.8rem 2rem;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-box form,
        .rating-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .comment-box textarea {
            resize: vertical;
            min-height: 100px;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd6cb;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            transition: border 0.25s;
            outline: none;
        }
        .comment-box textarea:focus {
            border-color: #b45309;
        }
        .comment-box input[type="text"],
        .rating-box select {
            padding: 0.7rem 1rem;
            border: 2px solid #ddd6cb;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
        }
        .comment-box input[type="text"]:focus {
            border-color: #b45309;
        }
        .comment-box .btn,
        .rating-box .btn {
            background: #b45309;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
            font-size: 0.95rem;
        }
        .comment-box .btn:hover,
        .rating-box .btn:hover {
            background: #92400e;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #d4c5b2;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
            color: #d4c5b2;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .related-links {
            background: #f7f3ee;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
        }
        .related-links h3 {
            margin-top: 0;
        }
        .related-links ul {
            columns: 2 240px;
            list-style: none;
            margin: 0.8rem 0 0;
            padding: 0;
        }
        .related-links li {
            padding: 0.3rem 0;
        }
        .related-links a {
            text-decoration: none;
            font-weight: 500;
            display: inline-block;
            padding: 0.2rem 0;
        }
        .related-links a::before {
            content: "🎵 ";
            font-size: 0.8rem;
        }
        footer {
            background: #1a1a2e;
            color: #c9c0b3;
            padding: 2.5rem 0 1.5rem;
            margin-top: auto;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }
        footer a {
            color: #fbbf24;
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background: #22223a;
            padding: 1.2rem 1.8rem;
            border-radius: 14px;
            margin: 0.8rem 0;
            font-size: 0.95rem;
            line-height: 2;
        }
        friend-link a {
            margin: 0 0.6rem;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #33334d;
            margin-top: 1rem;
            font-size: 0.85rem;
            color: #9a8f80;
        }
        @media (max-width: 820px) {
            .article-wrapper {
                padding: 1.5rem 1.2rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
            }
            .header-inner {
                flex-direction: row;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .search-section {
                flex-direction: column;
                align-items: stretch;
            }
            .search-section form {
                flex-direction: column;
            }
            .related-links ul {
                columns: 1;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .article-wrapper {
                padding: 1rem 0.8rem;
                border-radius: 16px;
            }
            .comment-box,
            .rating-box {
                padding: 1.2rem 1rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
        }
        .highlight {
            background: linear-gradient(to right, #fef3c7, #fde68a);
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 500;
        }
        .badge {
            display: inline-block;
            background: #b45309;
            color: white;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .blockquote {
            background: #f7f3ee;
            border-left: 5px solid #b45309;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
            font-style: italic;
            color: #3d3429;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.6rem;
            font-style: normal;
            font-weight: 500;
            color: #7c6a56;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        @media (max-width: 640px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #1a1a2e;
            color: #f0e6d3;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e6ddd2;
        }
        .data-table tr:nth-child(even) td {
            background: #faf8f5;
        }
        .data-table tr:hover td {
            background: #f5efe8;
        }
        .tip-box {
            background: #eef2ff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
            border: 1px solid #c7d2fe;
        }
        .tip-box i {
            color: #4f46e5;
            margin-right: 8px;
        }