*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f7f5f0;
            color: #2c2b28;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #7a3e6b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #b97a9e;
            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: #3d2b3a;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1.2rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #dcc8d6;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.7rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.4rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.1rem;
        }
        strong {
            font-weight: 700;
            color: #3d2b3a;
        }
        hr {
            border: none;
            border-top: 2px dashed #dcc8d6;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        header {
            background: linear-gradient(145deg, #3d2b3a 0%, #5a3f54 100%);
            color: #f7f5f0;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 18px 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: 1.7rem;
            font-weight: 800;
            color: #f7f5f0;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0 #2c1e2a;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
            color: #f7f5f0;
        }
        .my-logo i {
            color: #e8c7d6;
            margin-right: 6px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .main-nav {
            display: flex;
            gap: 1rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .main-nav li a {
            color: #f7f5f0;
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            transition: background 0.25s, color 0.25s;
            font-size: 0.95rem;
        }
        .main-nav li a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            text-decoration: none;
        }
        .main-nav li a i {
            margin-right: 5px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f7f5f0;
            font-size: 1.7rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .nav-check {
            display: none;
        }
        .breadcrumb {
            background: #ede7e0;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dcc8d6;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.4rem 0.8rem;
        }
        .breadcrumb ul li+li::before {
            content: "›";
            margin-right: 0.8rem;
            color: #8a7a82;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #7a3e6b;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #5a3f54;
            font-weight: 600;
        }
        .search-section {
            background: #fff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #e5ddd6;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 0.6rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #dcc8d6;
            border-radius: 40px;
            font-size: 1rem;
            background: #fcfaf8;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #7a3e6b;
            outline: none;
            box-shadow: 0 0 0 4px rgba(122, 62, 107, 0.15);
        }
        .search-form button {
            background: #7a3e6b;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #5a2f4f;
            transform: scale(1.02);
        }
        .search-form button i {
            margin-right: 6px;
        }
        main {
            padding: 2rem 0 3rem;
            background: #f7f5f0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2.5rem;
        }
        .article-body {
            background: #fff;
            padding: 2.2rem 2.5rem;
            border-radius: 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .sidebar {
            background: #fff;
            padding: 1.8rem 1.5rem;
            border-radius: 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #dcc8d6;
            padding-bottom: 0.5rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 1.2rem;
        }
        .sidebar ul li {
            padding: 0.35rem 0;
            border-bottom: 1px solid #f0eae4;
        }
        .sidebar ul li a {
            color: #5a3f54;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #7a3e6b;
        }
        .sidebar .link-list a {
            display: block;
            padding: 0.3rem 0;
            font-size: 0.92rem;
        }
        .feature-img {
            margin: 1.8rem 0 2rem;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
            background: #ede7e0;
        }
        .feature-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .feature-img figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #5a4f4a;
            background: #fcfaf8;
            font-style: italic;
            border-top: 1px solid #e5ddd6;
        }
        .interview-block {
            background: #f5efe9;
            border-left: 6px solid #7a3e6b;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-radius: 0 20px 20px 0;
        }
        .interview-block h4 {
            margin-top: 0;
            color: #3d2b3a;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.05rem;
            color: #3d2b3a;
        }
        .interview-block .attribution {
            font-weight: 600;
            margin-top: 0.6rem;
            color: #7a3e6b;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 2rem 0;
        }
        .data-card {
            background: #f5efe9;
            padding: 1.4rem 1rem;
            border-radius: 16px;
            text-align: center;
            border: 1px solid #e5ddd6;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .data-card .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #7a3e6b;
        }
        .data-card .label {
            font-size: 0.95rem;
            color: #5a4f4a;
        }
        .rating-area {
            background: #f5efe9;
            padding: 1.8rem 2rem;
            border-radius: 20px;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #e5ddd6;
        }
        .rating-area h3 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #dcc8d6;
            cursor: pointer;
            flex-wrap: wrap;
            margin: 0.6rem 0 1rem;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #e8b84b;
            transform: scale(1.12);
        }
        .rating-form button {
            background: #7a3e6b;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .rating-form button:hover {
            background: #5a2f4f;
        }
        .comments-area {
            margin: 2.5rem 0 1rem;
        }
        .comments-area h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem 1.2rem;
            border: 2px solid #dcc8d6;
            border-radius: 16px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 110px;
            background: #fcfaf8;
            transition: border-color 0.3s;
        }
        .comment-form textarea:focus {
            border-color: #7a3e6b;
            outline: none;
            box-shadow: 0 0 0 4px rgba(122, 62, 107, 0.1);
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 0.8rem;
            align-items: center;
        }
        .comment-form input[type="text"] {
            flex: 1 1 200px;
            padding: 0.6rem 1.2rem;
            border: 2px solid #dcc8d6;
            border-radius: 40px;
            font-size: 0.95rem;
            background: #fcfaf8;
        }
        .comment-form input[type="text"]:focus {
            border-color: #7a3e6b;
            outline: none;
        }
        .comment-form button {
            background: #7a3e6b;
            color: #fff;
            border: none;
            padding: 0.6rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .comment-form button:hover {
            background: #5a2f4f;
        }
        footer {
            background: #2c1e2a;
            color: #dcc8d6;
            padding: 2.5rem 0 1.5rem;
            border-top: 4px solid #7a3e6b;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        footer h4 {
            color: #f7f5f0;
            margin-top: 0;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }
        footer a {
            color: #dcc8d6;
        }
        footer a:hover {
            color: #f7f5f0;
            text-decoration: underline;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0;
        }
        .friend-links li a {
            color: #e8c7d6;
            font-weight: 500;
        }
        .friend-links li a:hover {
            color: #fff;
        }
        .copyright {
            border-top: 1px solid #4a3545;
            padding-top: 1.5rem;
            font-size: 0.9rem;
            text-align: center;
            color: #a8909e;
        }
        .copyright strong {
            color: #dcc8d6;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .article-body {
                order: 1;
            }
        }
        @media (max-width: 820px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-body {
                padding: 1.5rem 1.2rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #4a3545;
                padding: 1rem 0.8rem;
                border-radius: 0 0 20px 20px;
                gap: 0.4rem;
                margin-top: 0.6rem;
            }
            .main-nav li a {
                display: block;
                padding: 0.6rem 1rem;
                border-radius: 12px;
            }
            .hamburger {
                display: block;
            }
            .nav-check:checked~.main-nav {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .sidebar {
                padding: 1.2rem;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 540px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 1rem 0.8rem;
                border-radius: 16px;
            }
            .header-inner {
                padding: 0 0.4rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb ul {
                font-size: 0.8rem;
                gap: 0.2rem 0.5rem;
            }
            .search-form input[type="text"] {
                flex: 1 1 100%;
            }
            .search-form button {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .interview-block {
                padding: 1rem 1.2rem;
            }
            .rating-area {
                padding: 1.2rem 1rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
            .sidebar {
                padding: 1rem 0.8rem;
            }
        }
        .last-updated {
            font-size: 0.9rem;
            color: #8a7a82;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .last-updated i {
            color: #7a3e6b;
        }
        .toc {
            background: #f5efe9;
            padding: 1.2rem 1.5rem;
            border-radius: 16px;
            margin: 1.5rem 0 2rem;
            border: 1px solid #e5ddd6;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ul {
            columns: 2;
            column-gap: 2rem;
            list-style: none;
            padding: 0;
        }
        .toc ul li {
            padding: 0.25rem 0;
            break-inside: avoid;
        }
        .toc ul li a {
            font-weight: 500;
        }
        @media (max-width: 600px) {
            .toc ul {
                columns: 1;
            }
        }
        .btn-top {
            display: inline-block;
            background: #7a3e6b;
            color: #fff;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: background 0.25s;
        }
        .btn-top:hover {
            background: #5a2f4f;
            text-decoration: none;
            color: #fff;
        }
        .inline-link {
            font-weight: 600;
            color: #7a3e6b;
        }
        .inline-link:hover {
            text-decoration: underline;
        }