*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --secondary: #e8a838;
            --accent: #d4732a;
            --bg: #f7f4ef;
            --card-bg: #ffffff;
            --text: #1e1e2a;
            --text-light: #4a4a5a;
            --border: #d0cdc8;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 16px;
            --max-width: 1200px;
            --font: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus-visible {
            color: var(--accent);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, var(--secondary), #f5c542);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            -webkit-text-fill-color: #fff;
            color: #fff;
            background: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: var(--secondary);
            color: var(--secondary);
        }
        .nav-menu {
            display: flex;
            gap: 8px 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #f0ede8;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 30px;
            transition: 0.25s;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a:focus-visible {
            background: rgba(255, 255, 255, 0.15);
            color: var(--secondary);
            text-decoration: none;
        }
        .nav-menu a.active {
            background: var(--secondary);
            color: var(--primary);
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(4px);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: var(--text-light);
            font-weight: 600;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        @media(max-width:960px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--primary);
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
            color: var(--primary);
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--primary-light);
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 28px;
        }
        .article-body li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .article-body strong {
            color: var(--primary);
        }
        .article-body .highlight-box {
            background: var(--card-bg);
            border-left: 6px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-body .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .article-body .emoji-big {
            font-size: 1.5rem;
            margin-right: 6px;
        }
        .article-image {
            margin: 32px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }
        .meta-line i {
            margin-right: 6px;
            color: var(--secondary);
        }
        .last-updated {
            font-weight: 600;
            color: var(--primary);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--primary);
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 8px;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-link-list li {
            margin-bottom: 10px;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 8px;
            background: var(--bg);
            transition: 0.2s;
            font-weight: 500;
        }
        .sidebar-link-list a:hover {
            background: var(--secondary);
            color: #fff;
            text-decoration: none;
        }
        .sidebar-link-list a i {
            width: 20px;
            color: var(--accent);
        }
        .sidebar-link-list a:hover i {
            color: #fff;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
            background: var(--bg);
        }
        .search-form input:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 20px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .comment-box,
        .rating-box {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .comment-box h3,
        .rating-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .comment-box textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid var(--border);
            border-radius: 12px;
            font-size: 1rem;
            resize: vertical;
            min-height: 110px;
            font-family: var(--font);
            transition: 0.2s;
            background: var(--bg);
        }
        .comment-box textarea:focus {
            border-color: var(--primary-light);
            outline: none;
        }
        .comment-box .form-row {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .comment-box .form-row input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            min-width: 180px;
            background: var(--bg);
            transition: 0.2s;
        }
        .comment-box .form-row input:focus {
            border-color: var(--primary-light);
            outline: none;
        }
        .comment-box .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .comment-box .btn-submit:hover {
            background: var(--primary-light);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            margin: 8px 0 16px;
            direction: rtl;
        }
        .rating-stars i {
            transition: 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: var(--secondary);
        }
        .rating-box .btn-submit {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .rating-box .btn-submit:hover {
            background: #b85f1a;
        }
        .footer-area {
            background: var(--primary);
            color: #ddd;
            padding: 40px 0 20px;
            margin-top: auto;
        }
        .footer-area .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media(max-width:700px) {
            .footer-area .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-area h4 {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .footer-area a {
            color: #ccc;
        }
        .footer-area a:hover {
            color: var(--secondary);
        }
        friend-link {
            display: block;
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 8px 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.14);
            text-decoration: none;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        .copyright strong {
            color: var(--secondary);
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 0 8px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 18px;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .article-body h1 {
                font-size: 1.9rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                order: 2;
            }
            .main-grid {
                padding-top: 24px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 14px;
            }
            .article-body p {
                font-size: 1rem;
            }
            .comment-box .form-row {
                flex-direction: column;
            }
            .comment-box .form-row input {
                min-width: unset;
            }
            .meta-line {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media print {
            .site-header,
            .breadcrumb,
            .sidebar,
            .comment-box,
            .rating-box,
            .footer-area {
                display: none;
            }
            .main-grid {
                display: block;
            }
            body {
                background: #fff;
                color: #000;
            }
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 16px;
            background: var(--secondary);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 8px;
            font-weight: 600;
            z-index: 200;
            transition: 0.2s;
        }
        .skip-link:focus {
            top: 12px;
        }
        :focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }