* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fc;
            color: #1a2639;
            line-height: 1.7;
            font-size: 1.05rem;
            padding: 0 20px;
        }
        .wrapper {
            max-width: 1220px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
            border-radius: 32px 32px 0 0;
            padding: 28px 32px 40px;
        }
        a {
            color: #1e4a7a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #c44536;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 20px;
            display: block;
            margin: 32px 0;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px;
            border-bottom: 2px solid #e8edf5;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #1e4a7a, #2b6cb0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            -webkit-text-fill-color: #c44536;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a6e7e;
            background: none;
            color: #5a6e7e;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #1a2639;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #e8edf5;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 18px;
            list-style: none;
        }
        .nav-menu li a {
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 30px;
            font-size: 0.98rem;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: #e8edf5;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 14px 0 8px;
            font-size: 0.88rem;
            color: #5a6e7e;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #b0c4d8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #1e4a7a;
        }
        .breadcrumb .current {
            color: #7a8b9e;
            font-weight: 500;
        }
        h1 {
            font-size: 2.85rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 20px 0 12px;
            color: #0b1a2e;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #dce4ef;
            color: #15304e;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 36px 0 12px;
            color: #1f3d5a;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: #2c4b6a;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #2c3e50;
            background: #f0f4fa;
            padding: 24px 28px;
            border-radius: 20px;
            border-left: 5px solid #1e4a7a;
            margin: 24px 0 32px;
        }
        .highlight {
            background: #fff8e0;
            padding: 2px 8px;
            border-radius: 12px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        ul,
        ol {
            margin: 12px 0 24px 24px;
        }
        li {
            margin-bottom: 8px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0 36px;
            font-size: 0.98rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        th {
            background: #1e3a5f;
            color: #fff;
            font-weight: 600;
            padding: 14px 18px;
            text-align: left;
        }
        td {
            padding: 12px 18px;
            border-bottom: 1px solid #e2e8f0;
            background: #fafcff;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #eef4fa;
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            background: #f0f4fa;
            padding: 20px 24px;
            border-radius: 28px;
            margin: 30px 0 20px;
            align-items: center;
        }
        .search-box label {
            font-weight: 600;
            font-size: 1rem;
        }
        .search-box input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
            outline: none;
            transition: box-shadow 0.2s;
        }
        .search-box input[type="text"]:focus {
            box-shadow: 0 0 0 3px rgba(30, 74, 122, 0.25);
        }
        .search-box button {
            background: #1e4a7a;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-box button:hover {
            background: #15304e;
            transform: scale(1.02);
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 48px 0 32px;
            background: #f7faff;
            border-radius: 28px;
            padding: 28px 32px;
        }
        .feedback-section form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-section form label {
            font-weight: 600;
            font-size: 0.95rem;
        }
        .feedback-section form input,
        .feedback-section form textarea,
        .feedback-section form select {
            padding: 10px 16px;
            border: 1px solid #d0dae8;
            border-radius: 16px;
            font-size: 0.98rem;
            font-family: inherit;
            background: #fff;
            outline: none;
            transition: border 0.2s;
        }
        .feedback-section form input:focus,
        .feedback-section form textarea:focus,
        .feedback-section form select:focus {
            border-color: #1e4a7a;
            box-shadow: 0 0 0 3px rgba(30, 74, 122, 0.12);
        }
        .feedback-section form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-section form button {
            align-self: flex-start;
            background: #2b6cb0;
            color: #fff;
            border: none;
            padding: 12px 34px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
        }
        .feedback-section form button:hover {
            background: #1e4a7a;
        }
        .rating-stars {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .rating-stars select {
            max-width: 200px;
        }
        friend-link {
            display: block;
            padding: 24px 0 12px;
            border-top: 2px solid #e2e8f0;
            margin-top: 40px;
            font-size: 1rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 6px 14px;
            background: #eef4fa;
            border-radius: 30px;
            font-weight: 500;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #dce4ef;
            text-decoration: none;
        }
        footer {
            padding: 28px 0 20px;
            border-top: 2px solid #e2e8f0;
            margin-top: 28px;
            font-size: 0.92rem;
            color: #5a6e7e;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        footer .copyright {
            font-weight: 400;
        }
        footer .footer-links a {
            margin-left: 18px;
        }
        .last-updated {
            font-size: 0.88rem;
            color: #7a8b9e;
            background: #f0f4fa;
            display: inline-block;
            padding: 6px 20px;
            border-radius: 40px;
            margin: 8px 0 18px;
        }
        .last-updated i {
            margin-right: 6px;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #1e4a7a;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            opacity: 0.8;
            transition: opacity 0.2s, transform 0.2s;
            cursor: pointer;
            border: none;
            z-index: 999;
        }
        .back-to-top:hover {
            opacity: 1;
            transform: translateY(-4px);
        }
        @media (max-width: 768px) {
            .wrapper {
                padding: 16px 14px 30px;
                border-radius: 20px 20px 0 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.55rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .feedback-section {
                grid-template-columns: 1fr;
                padding: 20px 18px;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 12px 0 18px;
                border-top: 2px solid #e2e8f0;
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            header {
                flex-wrap: wrap;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .search-box {
                flex-direction: column;
                align-items: stretch;
                padding: 16px 18px;
            }
            .search-box input[type="text"] {
                min-width: unset;
            }
            .search-box button {
                width: 100%;
                text-align: center;
            }
            table {
                font-size: 0.82rem;
            }
            th,
            td {
                padding: 8px 10px;
            }
            .lead {
                font-size: 1.1rem;
                padding: 18px 20px;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            footer {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            footer .footer-links a {
                margin: 0 10px;
            }
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 44px;
                height: 44px;
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            .wrapper {
                padding: 12px 10px 24px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .breadcrumb li+li::before {
                padding: 0 5px;
            }
        }