        *,
        *::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: #0b0a0c;
            color: #e8e4e0;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f0b27a;
            text-decoration: none;
            transition: color 0.25s ease, border-bottom 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffd49f;
            border-bottom: 1px solid #f0b27a;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f7ede2;
            letter-spacing: 0.02em;
        }
        h1 {
            font-size: 2.6rem;
            margin: 0 0 0.5rem;
        }
        h2 {
            font-size: 1.9rem;
            margin: 2.5rem 0 1rem;
            border-bottom: 2px solid #a13d3d;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.45rem;
            margin: 2rem 0 0.8rem;
            color: #f0c9a0;
        }
        h4 {
            font-size: 1.2rem;
            margin: 1.4rem 0 0.5rem;
            color: #dbb68c;
        }
        p {
            margin-bottom: 1.2rem;
            color: #d9d4cf;
        }
        strong {
            color: #f7ede2;
            font-weight: 600;
        }
        em {
            color: #e2cbaa;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        header {
            background: linear-gradient(135deg, #1a1215 0%, #2a1a1e 100%);
            padding: 0.8rem 0;
            border-bottom: 2px solid #6b2d2d;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
        }
        .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: 2px;
            background: linear-gradient(135deg, #f0b27a, #c94f4f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 12px rgba(201, 79, 79, 0.3);
            display: inline-block;
            border: none !important;
        }
        .my-logo:hover {
            -webkit-text-fill-color: #f7ede2;
            border: none !important;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #f0b27a;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(240, 178, 122, 0.15);
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            align-items: center;
        }
        nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: #d9c8b8;
            padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.25s, color 0.25s;
        }
        nav a:hover {
            border-bottom-color: #c94f4f;
            color: #f7ede2;
            border-bottom-width: 2px;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem;
            font-size: 0.88rem;
            color: #9a8a80;
            background: #0f0c0e;
            border-bottom: 1px solid #2a1e22;
        }
        .breadcrumb a {
            color: #c9a88a;
        }
        .breadcrumb a:hover {
            color: #f0b27a;
        }
        .breadcrumb span {
            color: #7a6a62;
        }
        .hero {
            padding: 2.4rem 0 1.2rem;
            text-align: center;
            background: radial-gradient(ellipse at 50% 0%, #2a1a1e 0%, #0b0a0c 80%);
        }
        .hero h1 {
            font-size: 2.8rem;
            background: linear-gradient(135deg, #f7ede2, #f0b27a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .subtitle {
            font-size: 1.2rem;
            color: #c9a88a;
            margin-top: 0.4rem;
            font-style: italic;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2rem;
            padding: 2rem 0;
        }
        @media (max-width: 820px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .sidebar {
            background: #141012;
            border-radius: 12px;
            padding: 1.6rem 1.2rem;
            border: 1px solid #2a1e22;
            align-self: start;
            position: sticky;
            top: 5.2rem;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 1px solid #3a2a2e;
            padding-bottom: 0.5rem;
            color: #f0c9a0;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar li {
            margin-bottom: 0.6rem;
        }
        .sidebar a {
            font-size: 0.92rem;
            color: #c9a88a;
            display: block;
            padding: 0.25rem 0.4rem;
            border-radius: 4px;
            transition: background 0.2s;
        }
        .sidebar a:hover {
            background: #1f161a;
            color: #f0b27a;
            border: none;
        }
        .search-box {
            background: #1a1215;
            border-radius: 40px;
            padding: 0.4rem 0.4rem 0.4rem 1.2rem;
            display: flex;
            align-items: center;
            border: 1px solid #3a2a2e;
            max-width: 480px;
            margin: 1.6rem auto 1rem;
            transition: border-color 0.3s;
        }
        .search-box:focus-within {
            border-color: #c94f4f;
        }
        .search-box input {
            background: transparent;
            border: none;
            flex: 1;
            padding: 0.6rem 0.2rem;
            color: #f7ede2;
            font-size: 1rem;
            outline: none;
        }
        .search-box input::placeholder {
            color: #7a6a62;
        }
        .search-box button {
            background: #6b2d2d;
            border: none;
            color: #f7ede2;
            padding: 0.6rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            font-size: 0.95rem;
        }
        .search-box button:hover {
            background: #8a3a3a;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #2a1e22;
            background: #141012;
            padding: 0.6rem;
        }
        .featured-image img {
            border-radius: 10px;
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #2a1e22;
        }
        .featured-image figcaption {
            text-align: center;
            font-size: 0.9rem;
            padding-top: 0.5rem;
            color: #9a8a80;
            font-style: italic;
        }
        .feedback-section {
            background: #141012;
            border-radius: 14px;
            padding: 2rem 1.8rem;
            margin: 2.8rem 0;
            border: 1px solid #2a1e22;
        }
        .feedback-section h2 {
            margin-top: 0;
            border-bottom-color: #6b2d2d;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 500;
            margin-bottom: 0.3rem;
            color: #dbb68c;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            background: #1f171a;
            border: 1px solid #3a2a2e;
            border-radius: 8px;
            color: #f7ede2;
            font-size: 1rem;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #c94f4f;
            outline: none;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .btn {
            background: #6b2d2d;
            border: none;
            color: #f7ede2;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #8a3a3a;
            transform: translateY(-1px);
        }
        .btn:active {
            transform: translateY(1px);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #5a4a42;
            cursor: pointer;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f0b27a;
            transform: scale(1.1);
        }
        .rating-stars i.selected {
            color: #f0b27a;
        }
        footer {
            background: #0f0c0e;
            border-top: 2px solid #1f161a;
            padding: 2.4rem 0 1.2rem;
            margin-top: auto;
        }
        footer .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
        }
        @media (max-width: 600px) {
            footer .container {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            margin-top: 0;
            color: #f0c9a0;
            font-size: 1.1rem;
        }
        footer a {
            color: #b09880;
        }
        footer a:hover {
            color: #f0b27a;
        }
        friend-link {
            display: block;
            margin-top: 0.4rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1rem;
            margin-bottom: 0.3rem;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 1.4rem;
            border-top: 1px solid #1f161a;
            color: #7a6a62;
            font-size: 0.88rem;
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 1rem 0 0.4rem;
                gap: 0.3rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 0.8rem;
                border-radius: 6px;
                width: 100%;
            }
            nav a:hover {
                background: #1f161a;
                border-bottom: none;
            }
            h1 {
                font-size: 2rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .sidebar {
                position: static;
            }
        }
        .toc {
            background: #141012;
            border-radius: 12px;
            padding: 1.4rem 1.6rem;
            border: 1px solid #2a1e22;
            margin: 2rem 0;
        }
        .toc h2 {
            margin-top: 0;
            border-bottom: none;
            font-size: 1.3rem;
        }
        .toc ul {
            columns: 2;
            column-gap: 2rem;
        }
        .toc li {
            break-inside: avoid;
            margin-bottom: 0.3rem;
        }
        .toc a {
            font-size: 0.95rem;
        }
        @media (max-width: 500px) {
            .toc ul {
                columns: 1;
            }
        }
        .highlight {
            background: linear-gradient(135deg, rgba(201, 79, 79, 0.15), rgba(240, 178, 122, 0.08));
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
        }
        .quote {
            border-left: 4px solid #c94f4f;
            padding: 0.8rem 1.4rem;
            margin: 1.4rem 0;
            background: #1a1215;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #dbb68c;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #7a6a62;
            text-align: right;
            margin-top: 2rem;
            padding-top: 0.8rem;
            border-top: 1px solid #1f161a;
        }
        .btn-subtle {
            background: transparent;
            border: 1px solid #3a2a2e;
            color: #c9a88a;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 0.9rem;
        }
        .btn-subtle:hover {
            background: #1f161a;
            border-color: #6b2d2d;
            color: #f0b27a;
        }
        @media (max-width: 400px) {
            .container {
                padding: 0 0.8rem;
            }
            .search-box {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 0.4rem;
            }
            .search-box input {
                width: 100%;
                padding: 0.4rem 0.6rem;
            }
            .search-box button {
                width: 100%;
                border-radius: 20px;
                margin-top: 0.3rem;
            }
        }
