* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #0a2f44;
            --secondary: #1e7e34;
            --accent: #f5a623;
            --bg: #f4f7fa;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a4a6a;
            --border: #d0d8e0;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --radius: 16px;
            --transition: 0.25s ease;
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #145522;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: var(--card-bg);
            padding: 20px 28px 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-top: 16px;
            margin-bottom: 40px;
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: var(--accent);
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
            z-index: 30;
        }
        .hamburger span {
            width: 28px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            transition: var(--transition);
        }
        .main-nav a {
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 30px;
            background: transparent;
            color: var(--text);
            font-size: 0.92rem;
            transition: background var(--transition), color var(--transition);
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: var(--secondary);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 5px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 10px 0 6px;
            font-size: 0.85rem;
            color: var(--text-light);
            width: 100%;
            border-bottom: 1px solid var(--border);
            margin-bottom: 24px;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: var(--text-light);
            font-weight: 600;
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 16px 0 12px;
            color: var(--primary);
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 40px 0 14px;
            padding-bottom: 6px;
            border-bottom: 3px solid var(--accent);
            color: var(--primary);
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 32px 0 10px;
            color: var(--primary);
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: var(--secondary);
        }
        p {
            margin: 0 0 18px;
            color: var(--text);
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: var(--text-light);
            margin-bottom: 28px;
        }
        .highlight {
            background: #fff7e6;
            padding: 2px 8px;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 4px;
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            background: var(--bg);
            padding: 16px 20px;
            border-radius: var(--radius);
            margin: 28px 0 20px;
            align-items: center;
        }
        .search-box label {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box input {
            flex: 1 1 200px;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border var(--transition);
            min-width: 120px;
        }
        .search-box input:focus {
            border-color: var(--secondary);
        }
        .search-box button {
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box button:hover {
            background: #145522;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 36px 0 20px;
        }
        .feedback-card {
            background: var(--bg);
            padding: 20px 22px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: none;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 10px;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border var(--transition);
            resize: vertical;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: var(--secondary);
        }
        .feedback-card textarea {
            min-height: 80px;
        }
        .feedback-card button {
            align-self: flex-start;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card button:hover {
            background: #133244;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 2px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .feature-image {
            margin: 28px 0 20px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .feature-image img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .feature-image figcaption {
            padding: 8px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: var(--bg);
            font-style: italic;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 28px;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .data-table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
            background: var(--card-bg);
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f0f7ff;
        }
        .footer {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 2px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            background: var(--bg);
            padding: 16px 20px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        friend-link a {
            display: inline-block;
            margin-right: 18px;
            margin-bottom: 6px;
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            padding: 16px 0 6px;
            font-size: 0.85rem;
            border-top: 1px solid var(--border);
            margin-top: 12px;
        }
        .copyright strong {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 14px 16px 30px;
                margin-top: 10px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .header {
                padding: 8px 0 12px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--card-bg);
                padding: 16px 0 12px;
                border-top: 1px solid var(--border);
                margin-top: 10px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                width: 100%;
                border-radius: 8px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .search-box {
                flex-direction: column;
                align-items: stretch;
            }
            .search-box button {
                justify-content: center;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 10px 12px 24px;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .last-updated {
            display: inline-block;
            background: var(--accent);
            color: #1a1a2e;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .tip-card {
            background: var(--bg);
            padding: 16px 18px;
            border-radius: var(--radius);
            border-left: 4px solid var(--accent);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .tip-card i {
            color: var(--accent);
            font-size: 1.4rem;
            margin-bottom: 6px;
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            padding: 12px 20px;
            margin: 20px 0;
            background: #f0faf3;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: var(--text-light);
        }
        blockquote strong {
            color: var(--primary);
        }
        .section-icon {
            margin-right: 8px;
        }
        .schema-hidden {
            display: none;
        }