*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --accent: #e8a838;
            --accent-dark: #c48a2a;
            --bg: #f8f6f0;
            --card-bg: #ffffff;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --border: #e0d8cc;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--accent-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            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 16px rgba(0, 0, 0, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 2rem;
        }
        .my-logo:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e0e8f0;
            padding: 6px 14px;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: background var(--transition), color var(--transition);
        }
        .nav-menu a:hover,
        .nav-menu a:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb-wrap {
            background: #f0ede6;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.88rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .article-wrapper {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 48px;
        }
        @media(max-width:768px) {
            .article-wrapper {
                padding: 20px 16px;
            }
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            color: var(--primary);
        }
        h1 i {
            color: var(--accent);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 28px;
            padding-bottom: 18px;
            border-bottom: 2px solid var(--border);
        }
        .article-meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        .last-updated {
            font-weight: 600;
            color: var(--primary);
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            color: var(--primary);
            border-left: 5px solid var(--accent);
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--primary-light);
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: var(--text);
        }
        p {
            margin-bottom: 16px;
            font-size: 1.05rem;
        }
        .feature-img {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .feature-img img {
            width: 100%;
            border-radius: var(--radius);
        }
        .feature-img figcaption {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-top: 8px;
            text-align: center;
            font-style: italic;
        }
        ul,
        ol {
            margin: 12px 0 20px 24px;
        }
        li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 24px 0;
            background: #faf8f4;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: var(--text-light);
        }
        blockquote strong {
            color: var(--primary);
        }
        .highlight-box {
            background: #f0f4fa;
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 24px 0;
            border-left: 4px solid var(--primary-light);
        }
        .highlight-box i {
            color: var(--accent);
            margin-right: 8px;
        }
        .search-section {
            margin: 40px 0 20px;
            padding: 28px 32px;
            background: linear-gradient(135deg, #f0f4fa, #e8edf5);
            border-radius: var(--radius);
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            transition: border var(--transition);
            background: #fff;
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(42, 90, 140, 0.12);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .search-form button i {
            margin-right: 6px;
        }
        .rating-section {
            margin: 32px 0;
            padding: 24px 28px;
            background: #faf8f4;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin: 10px 0 14px;
            direction: rtl;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            transition: color var(--transition), transform var(--transition);
            cursor: pointer;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: var(--accent);
            transform: scale(1.08);
        }
        .rating-form button {
            padding: 10px 24px;
            background: var(--accent);
            color: #1a1a1a;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
        }
        .rating-form button:hover {
            background: var(--accent-dark);
        }
        .comments-section {
            margin: 40px 0 20px;
            padding: 28px 32px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .comments-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            font-family: var(--font);
            min-height: 110px;
            resize: vertical;
            transition: border var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(42, 90, 140, 0.08);
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin: 12px 0;
        }
        .comment-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            transition: border var(--transition);
        }
        .comment-form input:focus {
            outline: none;
            border-color: var(--primary-light);
        }
        .comment-form button {
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
        }
        .comment-form button:hover {
            background: var(--primary-light);
        }
        .comment-form button i {
            margin-right: 6px;
        }
        .site-footer {
            background: var(--primary);
            color: #d0d8e0;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media(max-width:768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-brand .my-logo {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            color: #b0bcc8;
        }
        friend-link {
            display: block;
            font-style: normal;
        }
        friend-link a {
            display: block;
            padding: 5px 0;
            color: #c0ccd8;
            font-size: 0.92rem;
            transition: color var(--transition);
        }
        friend-link a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        friend-link h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 10px;
            border-bottom: 2px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 28px;
            text-align: center;
            font-size: 0.88rem;
            color: #90a0b0;
        }
        .footer-bottom strong {
            color: #d0d8e0;
        }
        @media(max-width:900px) {
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding: 12px 0 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .article-wrapper {
                padding: 24px 16px;
            }
            .search-section,
            .comments-section,
            .rating-section {
                padding: 20px 16px;
            }
        }
        @media(max-width:480px) {
            .header-inner {
                gap: 8px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .search-form input {
                min-width: 140px;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        .text-accent {
            color: var(--accent);
        }
        .fw-bold {
            font-weight: 700;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .gap-1 {
            gap: 8px;
        }
        .inline-icon {
            margin-right: 6px;
            color: var(--accent);
        }
        .anchor-offset {
            scroll-margin-top: 80px;
        }