        *,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f8f6f0;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #8b6508;
            text-decoration: underline;
        }
        :focus-visible {
            outline: 2px solid #b8860b;
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 0;
            background: #b8860b;
            color: #fff;
            padding: 8px 16px;
            z-index: 1000;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            padding: 16px 0;
            border-bottom: 4px solid #b8860b;
            position: sticky;
            top: 0;
            z-index: 500;
            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: 12px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f5d742;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2rem;
            color: #f5d742;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            color: #f5d742;
        }
        .my-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 400;
            color: #ccc;
            display: block;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f5d742;
            color: #f5d742;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(245, 215, 66, 0.15);
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
        }
        .main-nav a {
            color: #eee;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 20px;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #b8860b;
            color: #fff;
            text-decoration: none;
        }
        .main-nav .nav-search-btn {
            background: none;
            border: 1px solid #f5d742;
            color: #f5d742;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .main-nav .nav-search-btn:hover {
            background: #f5d742;
            color: #1a1a2e;
        }
        .breadcrumb-wrap {
            background: #e8e3d8;
            padding: 10px 0;
            border-bottom: 1px solid #d6cfbf;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 12px;
            font-size: 0.85rem;
            color: #555;
        }
        .breadcrumb a {
            color: #7a6a4a;
        }
        .breadcrumb a:hover {
            color: #b8860b;
        }
        .breadcrumb .sep {
            color: #999;
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: #1e1e1e;
            font-weight: 600;
        }
        main {
            padding: 30px 0 50px;
        }
        .article-wrap {
            background: #fff;
            border-radius: 20px;
            padding: 30px 30px 40px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            margin-bottom: 40px;
        }
        .article-wrap h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #1a1a2e;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .article-wrap h1 i {
            color: #b8860b;
            margin-right: 10px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            font-size: 0.9rem;
            color: #777;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 2px dashed #e8e3d8;
        }
        .article-meta .last-updated {
            font-weight: 600;
            color: #555;
        }
        .article-meta .last-updated i {
            color: #b8860b;
            margin-right: 6px;
        }
        .article-wrap h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #16213e;
            margin-top: 42px;
            margin-bottom: 16px;
            border-left: 6px solid #b8860b;
            padding-left: 18px;
        }
        .article-wrap h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a1a2e;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-wrap h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2c2c3e;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-wrap p {
            margin-bottom: 18px;
            color: #2d2d2d;
            font-size: 1.02rem;
        }
        .article-wrap ul,
        .article-wrap ol {
            margin: 0 0 20px 28px;
        }
        .article-wrap li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .article-wrap .highlight-box {
            background: #fbf7f0;
            border-left: 6px solid #b8860b;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .article-wrap .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .article-wrap .key-insight {
            background: #eef5ff;
            border-radius: 12px;
            padding: 18px 22px;
            margin: 20px 0;
            border: 1px solid #d0e0f0;
        }
        .article-wrap .key-insight i {
            color: #b8860b;
            margin-right: 8px;
        }
        .article-wrap .pro-tip {
            background: #f0f7e8;
            border-radius: 12px;
            padding: 18px 22px;
            margin: 20px 0;
            border: 1px solid #c8ddb8;
        }
        .article-wrap .pro-tip i {
            color: #3a7d2c;
            margin-right: 8px;
        }
        .article-wrap figure {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            background: #f4f1ea;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .article-wrap figure img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .article-wrap figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #666;
            font-style: italic;
            background: #f4f1ea;
        }
        .article-wrap .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            padding: 12px 0;
            margin: 16px 0;
            list-style: none;
        }
        .article-wrap .link-list-inline li a {
            font-weight: 500;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s;
        }
        .article-wrap .link-list-inline li a:hover {
            border-bottom-color: #b8860b;
            text-decoration: none;
        }
        .search-section {
            background: #fff;
            border-radius: 20px;
            padding: 28px 30px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            margin-bottom: 30px;
        }
        .search-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 16px;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 640px;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 14px 20px;
            border: 2px solid #d6cfbf;
            border-radius: 40px;
            font-size: 1rem;
            background: #faf8f4;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #b8860b;
            box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.15);
            outline: none;
        }
        .search-form button {
            padding: 14px 32px;
            background: #b8860b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form button:hover {
            background: #9e7409;
            transform: scale(1.02);
        }
        .cr-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 30px;
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 20px;
            padding: 28px 30px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
        }
        .comment-section h2,
        .rating-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 16px;
        }
        .comment-section textarea {
            width: 100%;
            min-height: 120px;
            padding: 16px 18px;
            border: 2px solid #d6cfbf;
            border-radius: 16px;
            font-size: 1rem;
            font-family: inherit;
            background: #faf8f4;
            resize: vertical;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .comment-section textarea:focus {
            border-color: #b8860b;
            box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.15);
            outline: none;
        }
        .comment-section .form-actions,
        .rating-section .form-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 14px;
            align-items: center;
        }
        .comment-section .form-actions button,
        .rating-section .form-actions button {
            padding: 12px 30px;
            background: #b8860b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-section .form-actions button:hover,
        .rating-section .form-actions button:hover {
            background: #9e7409;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 10px 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            transition: color 0.2s, transform 0.1s;
            cursor: pointer;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f5b342;
            transform: scale(1.05);
        }
        .rating-stars label i {
            pointer-events: none;
        }
        .rating-display {
            font-size: 1.1rem;
            font-weight: 600;
            color: #444;
            margin-top: 6px;
        }
        friend-link {
            display: block;
            background: #1a1a2e;
            color: #ddd;
            padding: 30px 0;
            margin-top: 40px;
            border-top: 4px solid #b8860b;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            justify-content: center;
        }
        friend-link a {
            color: #f5d742;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.05);
            transition: background 0.2s, color 0.2s;
        }
        friend-link a:hover {
            background: #b8860b;
            color: #fff;
            text-decoration: none;
        }
        friend-link .friend-label {
            font-weight: 600;
            color: #f5d742;
            font-size: 0.95rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            width: 100%;
            text-align: center;
            margin-bottom: 6px;
        }
        .site-footer {
            background: #0d0d1a;
            color: #aaa;
            padding: 28px 0 20px;
            font-size: 0.9rem;
            text-align: center;
        }
        .site-footer .copyright {
            color: #888;
            font-size: 0.85rem;
        }
        .site-footer .copyright a {
            color: #f5d742;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px 24px;
            margin-bottom: 12px;
        }
        .site-footer .footer-links a {
            color: #bbb;
            font-size: 0.85rem;
        }
        .site-footer .footer-links a:hover {
            color: #f5d742;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1a1a2e;
                padding: 16px 12px;
                border-radius: 16px;
                margin-top: 8px;
                gap: 6px;
                border: 1px solid #333;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 10px;
                width: 100%;
            }
            .main-nav .nav-search-btn {
                width: 100%;
                text-align: center;
                margin-top: 4px;
            }
            .article-wrap {
                padding: 20px 16px;
            }
            .article-wrap h1 {
                font-size: 1.7rem;
            }
            .article-wrap h2 {
                font-size: 1.4rem;
            }
            .article-wrap h3 {
                font-size: 1.2rem;
            }
            .cr-grid {
                grid-template-columns: 1fr;
            }
            .search-section {
                padding: 20px 16px;
            }
            .comment-section,
            .rating-section {
                padding: 20px 16px;
            }
            .breadcrumb-wrap {
                padding: 8px 0;
            }
            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px 8px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.5rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            friend-link .container {
                gap: 10px 16px;
            }
            friend-link a {
                font-size: 0.9rem;
                padding: 4px 12px;
            }
        }
        @media (max-width: 480px) {
            .article-wrap h1 {
                font-size: 1.4rem;
            }
            .article-wrap h2 {
                font-size: 1.2rem;
            }
            .article-wrap h3 {
                font-size: 1.05rem;
            }
            .search-form input[type="text"] {
                flex: 1 1 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .container {
                padding: 0 12px;
            }
            .article-wrap {
                padding: 14px 12px;
            }
            .cr-grid {
                gap: 16px;
            }
        }
        .main-nav {
            transition: all 0.3s ease;
        }
        @media print {
            .site-header,
            .breadcrumb-wrap,
            .search-section,
            .comment-section,
            .rating-section,
            friend-link,
            .site-footer,
            .nav-toggle {
                display: none !important;
            }
            .article-wrap {
                box-shadow: none;
                padding: 0;
                border: none;
            }
            body {
                background: #fff;
            }
        }
