*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f0;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0f172a;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #f59e0b;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.1rem;
            color: #334155;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
            color: #fff;
            padding: 0.6rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
        }
        .my-logo:hover {
            color: #fbbf24;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 2rem;
            color: #fbbf24;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
            text-decoration: none;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fbbf24;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #fbbf24;
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #1e40af;
        }
        .breadcrumb span {
            color: #94a3b8;
            margin: 0 0.2rem;
        }
        .breadcrumb .current {
            color: #0f172a;
            font-weight: 600;
        }
        .search-section {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            padding: 0.8rem 0;
            margin-bottom: 2rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 40px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.8rem 1.4rem;
            font-size: 1rem;
            outline: none;
            background: #fff;
            color: #1e293b;
        }
        .search-form button {
            background: #1e3a5f;
            color: #fff;
            border: none;
            padding: 0.8rem 1.6rem;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #0f172a;
        }
        .hero-image-wrap {
            margin: 2rem 0 2.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            position: relative;
            background: #e2e8f0;
        }
        .hero-image-wrap img {
            width: 100%;
            object-fit: cover;
            min-height: 280px;
            max-height: 480px;
        }
        .hero-image-wrap .img-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
            color: #fff;
            padding: 1.5rem 1.5rem 1rem;
            font-size: 0.95rem;
        }
        .content-area {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 2.5rem;
            margin: 1.5rem 0 2.5rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .content-area>p:first-child {
            font-size: 1.15rem;
            color: #334155;
        }
        .word-list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.8rem 1.2rem;
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: 12px;
            margin: 1.2rem 0;
            border: 1px solid #e2e8f0;
        }
        .word-list-grid li {
            list-style: none;
            background: #fff;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
            font-weight: 500;
            color: #1e293b;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .word-list-grid li i {
            color: #f59e0b;
            font-size: 0.85rem;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f59e0b;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #1e3a5f;
        }
        .tip-card {
            background: #f0f9ff;
            border: 1px solid #bae6fd;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin: 1.2rem 0;
        }
        .tip-card i {
            color: #0284c7;
            margin-right: 0.5rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: #1e3a5f;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        table tr:nth-child(even) {
            background: #f8fafc;
        }
        table tr:hover {
            background: #f1f5f9;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-top: 2rem;
            border-top: 2px solid #e2e8f0;
        }
        .comment-section,
        .rating-section {
            background: #f8fafc;
            padding: 1.5rem 1.8rem;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-section textarea,
        .rating-section input,
        .rating-section select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            transition: border 0.2s;
            background: #fff;
            margin-bottom: 0.8rem;
        }
        .comment-section textarea:focus,
        .rating-section input:focus,
        .rating-section select:focus {
            border-color: #2563eb;
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .comment-section textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            background: #1e3a5f;
            color: #fff;
        }
        .btn:hover {
            background: #0f172a;
            transform: translateY(-1px);
        }
        .btn-secondary {
            background: #f59e0b;
            color: #0f172a;
        }
        .btn-secondary:hover {
            background: #d97706;
        }
        friend-link {
            display: block;
            background: #1e293b;
            color: #e2e8f0;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 2rem 0 1rem;
            text-align: center;
        }
        friend-link a {
            color: #fbbf24;
            margin: 0 0.6rem;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 2rem 0 1.5rem;
            font-size: 0.9rem;
            margin-top: 3rem;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .site-footer .copyright {
            color: #64748b;
        }
        .site-footer .copyright strong {
            color: #e2e8f0;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(15, 23, 42, 0.95);
                padding: 0.8rem 0.4rem;
                border-radius: 0 0 12px 12px;
                margin-top: 0.4rem;
                gap: 0.1rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 6px;
            }
            .content-area {
                padding: 1.2rem 1.2rem;
            }
            .interaction-area {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero-image-wrap img {
                min-height: 200px;
                max-height: 280px;
            }
            .word-list-grid {
                grid-template-columns: 1fr 1fr;
                padding: 1rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-form input {
                border-radius: 20px 20px 0 0;
                padding: 0.7rem 1.2rem;
            }
            .search-form button {
                border-radius: 0 0 20px 20px;
                justify-content: center;
                padding: 0.7rem 1.2rem;
            }
            friend-link {
                padding: 1.2rem 1rem;
                font-size: 0.9rem;
            }
            .site-footer .container {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .word-list-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 0.8rem;
            }
            .content-area {
                padding: 0.8rem 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.5rem;
            }
        }
        .last-updated {
            display: inline-block;
            background: #f1f5f9;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #475569;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
            color: #f59e0b;
        }
        .inline-link-icon {
            color: #2563eb;
            font-weight: 500;
        }
        .inline-link-icon:hover {
            text-decoration: underline;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #d1d5db;
            margin: 0.4rem 0 0.8rem;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f59e0b;
            transform: scale(1.1);
        }
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item h4 {
            margin: 0 0 0.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
        }
        .faq-item h4 i {
            color: #f59e0b;
            font-size: 0.9rem;
        }
        .faq-item p {
            margin: 0.2rem 0 0 1.6rem;
            color: #475569;
        }
        .section-icon {
            margin-right: 0.4rem;
        }
        .badge {
            display: inline-block;
            background: #f59e0b;
            color: #0f172a;
            padding: 0.15rem 0.8rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .author-box {
            background: #f1f5f9;
            border-radius: 12px;
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0;
            border: 1px solid #e2e8f0;
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .author-box i {
            font-size: 2.4rem;
            color: #1e3a5f;
        }
        .author-box p {
            margin: 0;
            flex: 1;
        }