*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #0f0e0c;
            color: #e8e0d4;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f09030;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #ffb347;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f5eee6;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 3px solid #d4772a;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #d4772a;
            padding-left: 0.9rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            color: #d9cdbc;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .badge {
            display: inline-block;
            background: #d4772a;
            color: #0f0e0c;
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .highlight {
            background: linear-gradient(120deg, #d4772a33, #d4772a11);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
        }
        hr {
            border: none;
            border-top: 1px solid #2b2824;
            margin: 2.5rem 0;
        }
        header {
            background: #1a1815;
            border-bottom: 2px solid #2b2824;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem 0;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5eee6;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #d4772a;
            font-size: 1.8rem;
        }
        .my-logo span {
            color: #d4772a;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #ffb347;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid #3b352e;
            color: #e8e0d4;
            font-size: 1.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
        }
        .nav-toggle:hover {
            background: #2b2824;
        }
        nav {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.3rem 0.1rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s;
        }
        nav a:hover {
            border-bottom-color: #d4772a;
            text-decoration: none;
        }
        .breadcrumb {
            background: #1a1815;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            color: #a09888;
            border-bottom: 1px solid #2b2824;
        }
        .breadcrumb a {
            color: #c0a888;
        }
        .breadcrumb a:hover {
            color: #ffb347;
        }
        .breadcrumb span {
            margin: 0 0.3rem;
        }
        .search-bar {
            background: #1a1815;
            padding: 1.2rem 0;
            border-bottom: 1px solid #2b2824;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            max-width: 540px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 1px solid #3b352e;
            border-radius: 30px;
            background: #0f0e0c;
            color: #e8e0d4;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #d4772a;
        }
        .search-form button {
            background: #d4772a;
            border: none;
            border-radius: 30px;
            padding: 0 1.5rem;
            color: #0f0e0c;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #e88a3a;
        }
        main {
            flex: 1;
            padding: 1.5rem 0 3rem;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-top: 1.2rem;
        }
        @media(max-width:860px) {
            .article-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
            background: #1a1815;
            border-radius: 16px;
            padding: 1.5rem 1.2rem;
            border: 1px solid #2b2824;
        }
        .sidebar h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #d4772a;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar li {
            margin-bottom: 0.6rem;
        }
        .sidebar a {
            font-size: 0.92rem;
            display: block;
            padding: 0.25rem 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #1a1815;
            border-radius: 12px;
            overflow: hidden;
            font-size: 0.92rem;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #2b2824;
        }
        th {
            background: #2b2824;
            color: #f5eee6;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        @media(max-width:600px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .card-form {
            background: #1a1815;
            border: 1px solid #2b2824;
            border-radius: 16px;
            padding: 1.5rem;
        }
        .card-form h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .card-form label {
            display: block;
            font-size: 0.9rem;
            font-weight: 500;
            margin: 0.8rem 0 0.25rem;
        }
        .card-form input,
        .card-form textarea,
        .card-form select {
            width: 100%;
            padding: 0.6rem 0.9rem;
            border: 1px solid #3b352e;
            border-radius: 8px;
            background: #0f0e0c;
            color: #e8e0d4;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.2s;
        }
        .card-form input:focus,
        .card-form textarea:focus,
        .card-form select:focus {
            border-color: #d4772a;
        }
        .card-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .card-form button {
            margin-top: 1rem;
            background: #d4772a;
            border: none;
            border-radius: 30px;
            padding: 0.65rem 1.8rem;
            color: #0f0e0c;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .card-form button:hover {
            background: #e88a3a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #3b352e;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f0b030;
        }
        footer {
            background: #1a1815;
            border-top: 2px solid #2b2824;
            padding: 2rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media(max-width:700px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-grid h4 {
            margin-top: 0;
            font-size: 1rem;
            color: #f5eee6;
        }
        .footer-grid a {
            font-size: 0.88rem;
        }
        friend-link {
            display: block;
            margin-top: 1.2rem;
            padding-top: 1rem;
            border-top: 1px solid #2b2824;
            font-size: 0.88rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.3rem;
        }
        .copyright {
            margin-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: #7a7268;
        }
        @media(max-width:720px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 0.8rem;
                gap: 0.5rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.5rem 0.8rem;
                border-radius: 8px;
                background: #0f0e0c;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
        }
        @media(max-width:480px) {
            .header-inner {
                padding: 0.5rem 0;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
                padding: 0.6rem;
            }
        }
        .tag {
            display: inline-block;
            background: #2b2824;
            padding: 0.15rem 0.7rem;
            border-radius: 12px;
            font-size: 0.75rem;
            color: #b8a88a;
            margin-right: 0.3rem;
        }
        .icon-list {
            list-style: none;
            padding-left: 0;
        }
        .icon-list li {
            display: flex;
            gap: 0.6rem;
            align-items: baseline;
            margin-bottom: 0.5rem;
        }
        .icon-list i {
            color: #d4772a;
            width: 1.1rem;
            text-align: center;
        }
        .blockquote {
            border-left: 4px solid #d4772a;
            background: #1a1815;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            font-style: italic;
            color: #c8bcac;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-size: 0.85rem;
            color: #a09888;
        }
        .last-update {
            font-size: 0.85rem;
            color: #8a8278;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 0.5rem 0 1.2rem;
        }
        .schema-hidden {
            display: none;
        }