*, *::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: #f8f7f4;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7a2e0e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #1a1a2e;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 { font-size: 2.4rem; margin-top: 0.5rem; }
        h2 { font-size: 1.8rem; border-left: 5px solid #b45309; padding-left: 1rem; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.2rem; color: #3d2c1a; }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        ul, ol {
            margin-bottom: 1.4rem;
            padding-left: 1.6rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            color: #b45309;
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #5a4a3a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .schema-hidden {
            display: none;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1f0f 100%);
            color: #f5f0e8;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5c542, #e89f2e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(245,197,66,0.25);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f5c542;
            font-size: 1.8rem;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
            background: inherit;
            -webkit-background-clip: text;
            background-clip: text;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f5f0e8;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255,255,255,0.1);
        }
        nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        nav a {
            color: #e8ddd0;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(245,197,66,0.15);
            color: #f5c542;
            text-decoration: none;
        }
        nav a i {
            margin-right: 0.3rem;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #f0ebe3;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #ddd6cc;
        }
        .breadcrumb-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
            color: #5a4a3a;
        }
        .breadcrumb-inner a {
            color: #7a5a3a;
        }
        .breadcrumb-inner span {
            color: #b45309;
            font-weight: 600;
        }
        .breadcrumb-inner i {
            font-size: 0.7rem;
            color: #a9907a;
            margin: 0 0.2rem;
        }
        main {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }
        .article-body {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem 2.5rem;
            box-shadow: 0 8px 30px rgba(0,0,0,0.04);
        }
        .article-body .featured-image {
            margin: 1.2rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0,0,0,0.08);
        }
        .article-body .featured-image img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .last-updated {
            display: inline-block;
            background: #f5f0e8;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #6a5a4a;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
        }
        .table-of-contents {
            background: #faf7f2;
            border: 1px solid #e8dfd4;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0 2rem;
        }
        .table-of-contents h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .table-of-contents ul {
            columns: 2;
            column-gap: 2rem;
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }
        .table-of-contents li {
            break-inside: avoid;
            padding: 0.25rem 0;
        }
        .table-of-contents a {
            color: #3d2c1a;
            font-weight: 500;
            border-bottom: 1px dotted transparent;
        }
        .table-of-contents a:hover {
            border-bottom-color: #b45309;
            text-decoration: none;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
            border: 1px solid #eee8e0;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 1rem;
            border-bottom: 2px solid #f0e8de;
            padding-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f5f0ea;
            font-size: 0.92rem;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card li a {
            color: #3d2c1a;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card li a i {
            color: #b45309;
            font-size: 0.75rem;
        }
        .sidebar-card li a:hover {
            color: #b45309;
            text-decoration: none;
        }
        .search-box {
            display: flex;
            border: 2px solid #e0d6ca;
            border-radius: 50px;
            overflow: hidden;
            transition: border-color 0.3s;
            background: #fff;
        }
        .search-box:focus-within {
            border-color: #b45309;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.7rem 1.2rem;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
            min-width: 0;
        }
        .search-box button {
            background: #b45309;
            border: none;
            color: #fff;
            padding: 0.7rem 1.4rem;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #7a2e0e;
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0 1rem;
            padding-top: 2rem;
            border-top: 2px solid #f0e8de;
        }
        .feedback-card {
            background: #faf7f2;
            border-radius: 16px;
            padding: 1.5rem;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.15rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 0.7rem 1rem;
            border: 1px solid #ddd6cc;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            background: #fff;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: #b45309;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card button:hover {
            background: #7a2e0e;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
            color: #ddd6cc;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label i {
            font-size: 1.8rem;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f5c542;
        }
        .star-rating label:hover i,
        .star-rating input:checked ~ label i {
            font-weight: 900;
        }
        friend-link {
            display: block;
            background: #f5f0e8;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0 1rem;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        friend-link ul {
            list-style: none;
            padding-left: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
        }
        friend-link li {
            font-size: 0.92rem;
        }
        friend-link li a {
            color: #3d2c1a;
            font-weight: 500;
        }
        friend-link li a:hover {
            color: #b45309;
            text-decoration: none;
        }
        footer {
            background: #1a1a2e;
            color: #c8bfb4;
            padding: 2.5rem 0 1.8rem;
            margin-top: 2rem;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        footer h4 {
            color: #f5c542;
            margin-top: 0;
            font-size: 1.05rem;
        }
        footer ul {
            list-style: none;
            padding-left: 0;
        }
        footer li {
            font-size: 0.88rem;
            padding: 0.2rem 0;
        }
        footer a {
            color: #c8bfb4;
        }
        footer a:hover {
            color: #f5c542;
            text-decoration: none;
        }
        footer .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #2d2d44;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            text-align: center;
            font-size: 0.82rem;
            color: #8a8078;
        }
        footer .copyright strong {
            color: #c8bfb4;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .article-body {
                padding: 1.5rem;
            }
            .table-of-contents ul {
                columns: 1;
            }
            .user-feedback {
                grid-template-columns: 1fr;
            }
            footer .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.2rem;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255,255,255,0.08);
                margin-top: 0.4rem;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .article-body {
                padding: 1.2rem;
            }
            .breadcrumb-inner {
                font-size: 0.75rem;
            }
            footer .footer-inner {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .article-body {
                padding: 1rem;
                border-radius: 12px;
            }
            .feedback-card {
                padding: 1rem;
            }
            .star-rating {
                font-size: 1.4rem;
            }
            .star-rating label i {
                font-size: 1.4rem;
            }
        }
        .text-muted {
            color: #7a6a5a;
            font-size: 0.92rem;
        }
        .mt-2 { margin-top: 1.2rem; }
        .mb-1 { margin-bottom: 0.8rem; }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .badge {
            background: #b45309;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .highlight-box {
            background: #fdf8f0;
            border-left: 4px solid #f5c542;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }