*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f8f9fc;
            color: #1e2b3a;
            line-height: 1.7;
            padding-top: 70px;
        }
        a {
            color: #2c6e9c;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #1a4a6e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f1e2f;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2em;
            border-bottom: 4px solid #f0c040;
            display: inline-block;
            padding-bottom: 0.2em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f0c040;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.15rem;
            color: #2c4a6e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr 300px;
            }
        }
        header {
            background: #ffffff;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.07);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 20px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 3px solid #f0c040;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #0f1e2f;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #f0c040;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #1a4a6e;
        }
        .my-logo span {
            font-weight: 300;
            color: #5a7a9a;
            font-size: 0.9rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 25px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 20px;
            align-items: center;
        }
        .nav-list a {
            font-weight: 600;
            font-size: 0.95rem;
            color: #1e2b3a;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.3s;
        }
        .nav-list a:hover {
            border-bottom-color: #f0c040;
            text-decoration: none;
            color: #0f1e2f;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1e2b3a;
            padding: 4px 8px;
            transition: color 0.2s;
        }
        .hamburger:hover {
            color: #f0c040;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px 25px;
                gap: 14px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                border-top: 2px solid #f0c040;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list a {
                font-size: 1.1rem;
                padding: 8px 0;
            }
        }
        .breadcrumb {
            padding: 18px 0 8px;
            font-size: 0.9rem;
            color: #5a7a9a;
        }
        .breadcrumb a {
            color: #2c6e9c;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #8a9aae;
        }
        .search-section {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 28px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin: 24px 0 32px;
            border: 1px solid #e8ecf2;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #dce2ec;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s;
            outline: none;
            background: #fafbfc;
        }
        .search-form input[type="text"]:focus {
            border-color: #f0c040;
            background: #ffffff;
        }
        .search-form button {
            padding: 14px 32px;
            background: #f0c040;
            color: #0f1e2f;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #e0b030;
            transform: translateY(-2px);
        }
        .search-form button i {
            font-size: 1.1rem;
        }
        .section-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 30px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin-bottom: 28px;
            border: 1px solid #e8ecf2;
            transition: box-shadow 0.3s;
        }
        .section-card:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.07);
        }
        .highlight-box {
            background: #fef8e7;
            border-left: 6px solid #f0c040;
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 18px;
            background: #f4f6fa;
            font-size: 0.9rem;
            color: #4a6a8a;
            font-style: italic;
        }
        .link-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            margin: 1rem 0;
        }
        .link-group a {
            background: #f0f4fa;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .link-group a:hover {
            background: #f0c040;
            color: #0f1e2f;
            text-decoration: none;
        }
        .word-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4rem 0;
            font-size: 0.95rem;
        }
        .word-table thead {
            background: #0f1e2f;
            color: #ffffff;
        }
        .word-table th,
        .word-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #e8ecf2;
        }
        .word-table tbody tr:hover {
            background: #f8f4e8;
        }
        .word-table th {
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .rating-wrapper {
            display: flex;
            gap: 8px;
            font-size: 1.8rem;
            color: #dce2ec;
            cursor: pointer;
            margin: 0.6rem 0;
        }
        .rating-wrapper i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-wrapper i:hover,
        .rating-wrapper i.active {
            color: #f0c040;
            transform: scale(1.15);
        }
        .rating-wrapper i.selected {
            color: #f0c040;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #dce2ec;
            border-radius: 10px;
            font-size: 1rem;
            resize: vertical;
            min-height: 110px;
            font-family: inherit;
            transition: border-color 0.3s;
            background: #fafbfc;
        }
        .comment-form textarea:focus {
            border-color: #f0c040;
            background: #ffffff;
            outline: none;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 12px 18px;
            border: 2px solid #dce2ec;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s;
            background: #fafbfc;
        }
        .comment-form input[type="text"]:focus {
            border-color: #f0c040;
            background: #ffffff;
            outline: none;
        }
        .comment-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        @media (max-width: 600px) {
            .comment-form .form-row {
                grid-template-columns: 1fr;
            }
        }
        .comment-form button {
            padding: 14px 36px;
            background: #0f1e2f;
            color: #ffffff;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover {
            background: #1a3a5a;
            transform: translateY(-2px);
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 22px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8ecf2;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #f0c040;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f2f6;
        }
        .sidebar-card li a {
            font-weight: 500;
        }
        .sidebar-card li a::before {
            content: "🎯 ";
            font-size: 0.85rem;
        }
        footer {
            background: #0f1e2f;
            color: #c8d6e6;
            padding: 40px 20px 30px;
            margin-top: 50px;
            border-top: 4px solid #f0c040;
        }
        footer a {
            color: #c8d6e6;
        }
        footer a:hover {
            color: #f0c040;
            text-decoration: underline;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-grid h4 {
            color: #f0c040;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid li {
            padding: 4px 0;
        }
        .footer-grid li a {
            font-size: 0.95rem;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid #2a3f54;
            font-size: 0.9rem;
            color: #8a9aae;
        }
        .copyright strong {
            color: #c8d6e6;
        }
        friend-link {
            display: block;
            padding: 12px 0;
            font-size: 0.95rem;
        }
        friend-link a {
            padding: 0 6px;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #6a8aaa;
            margin: 8px 0 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .last-updated i {
            color: #f0c040;
        }
        @media (max-width: 600px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .section-card {
                padding: 18px 16px;
            }
            .search-form button {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                display: none;
            }
            .word-table {
                font-size: 0.8rem;
            }
            .word-table th,
            .word-table td {
                padding: 8px 10px;
            }
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .emoji-big {
            font-size: 2.2rem;
        }
        .badge {
            display: inline-block;
            background: #f0c040;
            color: #0f1e2f;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        section {
            scroll-margin-top: 90px;
        }
        .star-btn {
            background: none;
            border: none;
            font-size: 2rem;
            color: #dce2ec;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
            padding: 0 4px;
        }
        .star-btn:hover,
        .star-btn.active {
            color: #f0c040;
            transform: scale(1.2);
        }
        .star-btn.selected {
            color: #f0c040;
        }