* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --accent: #f5a623;
            --accent-dark: #d4891a;
            --bg: #f9f7f2;
            --card-bg: #ffffff;
            --text: #1e2a36;
            --text-light: #5a6a7a;
            --border: #e0ddd5;
            --radius: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --font: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 16px;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            background: var(--card-bg);
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            padding: 20px 28px 12px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 16px;
            border-bottom: 2px solid var(--border);
            margin-bottom: 12px;
            position: relative;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--primary-light);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }
        .hamburger:hover {
            background: var(--border);
        }
        nav {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
        }
        nav a:hover {
            border-bottom-color: var(--accent);
            text-decoration: none;
            color: var(--primary-light);
        }
        .breadcrumb {
            width: 100%;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb a:hover {
            color: var(--accent-dark);
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            margin: 28px 0 12px;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin: 40px 0 12px;
            border-left: 5px solid var(--accent);
            padding-left: 16px;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 28px 0 10px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin: 20px 0 8px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.02rem;
            color: var(--text);
        }
        .last-updated {
            display: inline-block;
            background: var(--border);
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .feature-img {
            margin: 24px 0 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 6px;
            text-align: center;
        }
        ul,
        ol {
            margin: 12px 0 20px 24px;
            line-height: 1.8;
        }
        li {
            margin-bottom: 6px;
        }
        strong {
            color: var(--primary);
        }
        .highlight-box {
            background: #f1f6fb;
            border-left: 5px solid var(--accent);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.96rem;
            min-width: 600px;
        }
        th {
            background: var(--primary);
            color: #fff;
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--border);
        }
        tr:nth-child(even) {
            background: #f4f6f9;
        }
        .emoji-big {
            font-size: 1.6rem;
            vertical-align: middle;
        }
        .search-section {
            background: #f0f4fa;
            padding: 24px 28px;
            border-radius: var(--radius);
            margin: 36px 0 28px;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 36px 0 28px;
        }
        .feedback-card {
            background: #f8faff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 24px;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--primary-light);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            background: var(--accent);
            color: #1a2a3a;
            border: none;
            padding: 12px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }
        .feedback-card button:hover {
            background: var(--accent-dark);
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ccc;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars .star.active,
        .rating-stars .star:hover {
            color: var(--accent);
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 2px solid var(--border);
        }
        friend-link h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        friend-link li {
            margin: 0;
        }
        friend-link a {
            color: var(--primary-light);
            font-weight: 500;
            font-size: 0.95rem;
        }
        friend-link a:hover {
            color: var(--accent-dark);
        }
        footer {
            margin-top: 24px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
        }
        footer .copyright {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 14px 14px 10px;
                margin-top: 12px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding: 12px 0 4px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 8px 0;
                font-size: 1rem;
                border-bottom: 1px solid var(--border);
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            table {
                font-size: 0.85rem;
                min-width: 400px;
            }
            footer {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 6px;
            }
            .container {
                padding: 10px 10px 8px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
                padding-left: 10px;
            }
            .rating-stars {
                font-size: 1.3rem;
            }
            .feedback-card {
                padding: 16px;
            }
        }
        @media print {
            .search-section,
            .feedback-grid,
            .hamburger,
            nav {
                display: none !important;
            }
            body {
                background: #fff;
                padding: 0;
            }
            .container {
                box-shadow: none;
                margin: 0;
                padding: 20px;
            }
        }