* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3a5c;
            --secondary: #e8b830;
            --accent: #c0392b;
            --light: #f8f9fa;
            --dark: #222;
            --text: #333;
            --gray: #6c757d;
            --border: #dee2e6;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: var(--text);
            background: #fff;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            text-transform: uppercase;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: var(--secondary);
        }
        .my-logo span {
            font-weight: 300;
            font-size: 0.75rem;
            display: block;
            letter-spacing: 2px;
            color: rgba(255, 255, 255, 0.7);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .nav-menu {
            display: flex;
            gap: 24px;
            list-style: none;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu li a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-menu li a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .nav-menu li a.active {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .breadcrumb {
            background: var(--light);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb ol li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--gray);
        }
        .breadcrumb ol li+li::before {
            content: "›";
            color: var(--gray);
            font-size: 1.2rem;
            margin-right: 6px;
        }
        .breadcrumb ol li a {
            color: var(--primary);
        }
        .breadcrumb ol li a:hover {
            text-decoration: underline;
        }
        .breadcrumb ol li:last-child {
            color: var(--text);
            font-weight: 500;
        }
        main {
            padding: 40px 0 60px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .article-header .meta {
            color: var(--gray);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .article-header .meta i {
            margin-right: 6px;
            color: var(--secondary);
        }
        .featured-image {
            margin: 30px 0 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .featured-image figcaption {
            background: var(--light);
            padding: 12px 16px;
            font-size: 0.85rem;
            color: var(--gray);
            text-align: center;
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .content {
            max-width: 840px;
            margin: 0 auto;
        }
        .content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
        }
        .content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--dark);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .content p strong {
            color: var(--primary);
        }
        .content ul,
        .content ol {
            margin: 16px 0 24px 24px;
            line-height: 1.8;
        }
        .content li {
            margin-bottom: 8px;
        }
        .content .highlight-box {
            background: var(--light);
            border-left: 5px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 28px 0;
        }
        .content .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .content .insight-card {
            background: #fef9e7;
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .content .insight-card h4 {
            margin-top: 0;
            color: var(--accent);
        }
        .content .inline-link {
            font-weight: 600;
            color: var(--accent);
            border-bottom: 1px dotted var(--accent);
        }
        .content .inline-link:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .tools-section {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            margin: 48px 0 40px;
        }
        .tool-card {
            background: var(--light);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .tool-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
        }
        .tool-card h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tool-card h3 i {
            color: var(--secondary);
        }
        .tool-card input,
        .tool-card textarea,
        .tool-card select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: var(--transition);
            background: #fff;
        }
        .tool-card input:focus,
        .tool-card textarea:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.2);
        }
        .tool-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .tool-card .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 8px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .tool-card .btn:hover {
            background: var(--accent);
            transform: scale(1.02);
        }
        .tool-card .btn i {
            font-size: 0.9rem;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ccc;
            cursor: pointer;
            margin: 8px 0 12px;
            justify-content: center;
        }
        .rating-stars i.active {
            color: var(--secondary);
        }
        .rating-stars i:hover {
            color: var(--secondary);
            transform: scale(1.1);
        }
        .star-rating-display {
            text-align: center;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .content table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .content table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
        }
        .content table tr:nth-child(even) {
            background: var(--light);
        }
        .content table tr:hover {
            background: #fef9e7;
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-inner h4 {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .footer-inner p,
        .footer-inner li {
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .footer-inner ul {
            list-style: none;
        }
        .footer-inner ul li {
            margin-bottom: 6px;
        }
        .footer-inner ul li a {
            color: rgba(255, 255, 255, 0.75);
        }
        .footer-inner ul li a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a {
            color: var(--secondary);
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            font-size: 0.9rem;
        }
        friend-link a {
            color: var(--secondary);
            margin: 0 6px;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        @media (max-width: 900px) {
            .tools-section {
                grid-template-columns: 1fr 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .article-header h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--primary);
                padding: 16px 0 12px;
                gap: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 8px 16px;
                display: block;
            }
            .tools-section {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-header h1 {
                font-size: 1.6rem;
            }
            .content h2 {
                font-size: 1.4rem;
            }
            .content h3 {
                font-size: 1.2rem;
            }
            .content p {
                font-size: 0.98rem;
            }
            .container {
                padding: 0 16px;
            }
            .content {
                padding: 0;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                font-size: 0.6rem;
            }
            .article-header h1 {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .tool-card {
                padding: 16px;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up:nth-child(2) {
            animation-delay: 0.1s;
        }
        .fade-up:nth-child(3) {
            animation-delay: 0.2s;
        }
        .fade-up:nth-child(4) {
            animation-delay: 0.3s;
        }
        .fade-up:nth-child(5) {
            animation-delay: 0.4s;
        }
        .tag {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }