*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --secondary: #f5a623;
            --accent: #e74c3c;
            --bg: #f9f7f4;
            --card-bg: #ffffff;
            --text: #2c3e50;
            --text-light: #6c7a89;
            --border: #ddd;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --max-width: 1200px;
            --font: 'Segoe UI', Roboto, -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(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            background: var(--card-bg);
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            padding: 20px 24px 40px;
            margin-top: 16px;
            margin-bottom: 40px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo span {
            color: var(--secondary);
        }
        .my-logo i {
            font-size: 2rem;
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--primary);
            padding: 4px 8px;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
            list-style: none;
        }
        .nav-menu li a {
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-menu li a:hover {
            background: rgba(245, 166, 35, 0.15);
        }
        .breadcrumb {
            padding: 10px 0 6px;
            font-size: 0.9rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
            width: 100%;
            border-bottom: 1px solid var(--border);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            margin: 20px 0 12px;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 32px 0 12px;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 8px;
        }
        p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .last-updated {
            font-size: 0.85rem;
            color: var(--text-light);
            background: #f1f0ee;
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .feature-img {
            margin: 24px 0 28px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .feature-img img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 6px;
            text-align: center;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 28px;
            font-size: 0.95rem;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        .data-table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--border);
        }
        .data-table tr:nth-child(even) {
            background: #f8f6f4;
        }
        .data-table tr:hover {
            background: #fdf6ec;
        }
        .tip-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 18px;
            margin: 24px 0 28px;
        }
        .tip-card {
            background: #f8f6f4;
            padding: 20px 18px;
            border-radius: var(--radius);
            border-left: 4px solid var(--secondary);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .tip-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .tip-card h4 {
            margin-top: 0;
            margin-bottom: 8px;
        }
        .tip-card p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 10px 18px;
            margin: 18px 0 24px;
            padding: 0;
            list-style: none;
        }
        .link-list li a {
            display: block;
            padding: 8px 14px;
            background: #f8f6f4;
            border-radius: 8px;
            border: 1px solid var(--border);
            font-weight: 500;
            transition: background 0.2s, border-color 0.2s;
        }
        .link-list li a:hover {
            background: #fdf6ec;
            border-color: var(--secondary);
        }
        .link-list li a i {
            margin-right: 8px;
            color: var(--secondary);
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 24px 0 20px;
            padding: 20px;
            background: #f1efec;
            border-radius: var(--radius);
        }
        .search-box input {
            flex: 1 1 240px;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-box input:focus {
            border-color: var(--secondary);
        }
        .search-box button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-box button:hover {
            background: var(--primary-light);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 28px 0 20px;
        }
        .feedback-card {
            background: #f8f6f4;
            padding: 20px 22px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            margin-top: 0;
            margin-bottom: 12px;
            font-size: 1.2rem;
        }
        .feedback-card textarea,
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border-color 0.2s;
            margin-bottom: 12px;
            background: #fff;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: var(--secondary);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .feedback-card button:hover {
            background: var(--primary-light);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            cursor: pointer;
            margin-bottom: 12px;
            color: #ccc;
        }
        .star-rating i.active {
            color: var(--secondary);
        }
        .star-rating i:hover,
        .star-rating i.hover {
            color: var(--secondary);
        }
        footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 2px solid var(--border);
        }
        friend-link {
            display: block;
            padding: 14px 0 10px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 4px 10px;
            background: #f1efec;
            border-radius: 6px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: var(--secondary);
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding: 18px 0 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            margin-top: 12px;
        }
        .copyright strong {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 14px 30px;
                margin-top: 8px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 4px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 12px;
                width: 100%;
                border-radius: 6px;
            }
            .nav-menu li a:hover {
                background: rgba(245, 166, 35, 0.15);
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
            .tip-grid {
                grid-template-columns: 1fr;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box input {
                flex: 1 1 auto;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .feedback-card {
                padding: 14px 16px;
            }
        }
        .schema-hidden {
            display: none;
        }
        section {
            scroll-margin-top: 20px;
        }