* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f7f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 20px 24px 40px;
            margin-top: 16px;
            margin-bottom: 40px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #eef2f6;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0a2e5c, #1a4f8e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            background: linear-gradient(135deg, #f5a623, #f7c948);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 1.6rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a3a;
            cursor: pointer;
            padding: 4px 8px;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            color: #f5a623;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
        }
        .main-nav a {
            text-decoration: none;
            color: #2c3e50;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #f5a623;
            border-bottom-color: #f5a623;
        }
        .breadcrumb {
            padding: 12px 0 8px;
            font-size: 0.85rem;
            color: #5e6f8d;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #2c3e50;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #f5a623;
        }
        .breadcrumb span {
            color: #8a9bb5;
        }
        .content-area {
            padding: 20px 0 10px;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: #0a2e5c;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #0f3a6b;
            margin-top: 40px;
            margin-bottom: 16px;
            border-left: 5px solid #f5a623;
            padding-left: 16px;
        }
        h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1a4f8e;
            margin-top: 28px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2c3e50;
            margin-top: 20px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            color: #2a3a4e;
            font-size: 1rem;
        }
        .feature-img {
            width: 100%;
            max-width: 720px;
            height: auto;
            border-radius: 20px;
            margin: 24px 0 20px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
            display: block;
            object-fit: cover;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #5e6f8d;
            margin-top: -12px;
            margin-bottom: 20px;
            font-style: italic;
        }
        .highlight-box {
            background: #f0f5fe;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 24px 0;
            border-left: 6px solid #f5a623;
        }
        .highlight-box strong {
            color: #0a2e5c;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 16px;
            padding: 20px 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            text-align: center;
            border: 1px solid #eef2f6;
            transition: transform 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .stat-card i {
            font-size: 2rem;
            color: #f5a623;
            margin-bottom: 8px;
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0a2e5c;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #5e6f8d;
        }
        .link-list {
            background: #f8faff;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .link-list a {
            color: #1a4f8e;
            text-decoration: none;
            font-weight: 500;
        }
        .link-list a:hover {
            color: #f5a623;
            text-decoration: underline;
        }
        .search-section {
            background: #f0f5fe;
            border-radius: 20px;
            padding: 28px 24px;
            margin: 40px 0 24px;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 560px;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 14px 20px;
            border: 2px solid #dce3ed;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
        }
        .search-form input:focus {
            border-color: #f5a623;
        }
        .search-form button {
            background: #0a2e5c;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1a4f8e;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 40px 0;
        }
        @media (max-width: 720px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #f8faff;
            border-radius: 20px;
            padding: 24px 24px 28px;
            border: 1px solid #eef2f6;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card textarea,
        .feedback-card input[type="text"] {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce3ed;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            font-family: inherit;
            transition: 0.2s;
            resize: vertical;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #f5a623;
        }
        .feedback-card textarea {
            min-height: 100px;
        }
        .feedback-card .btn {
            background: #0a2e5c;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.2s;
            margin-top: 8px;
        }
        .feedback-card .btn:hover {
            background: #1a4f8e;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #dce3ed;
            cursor: pointer;
            transition: 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5a623;
        }
        .star-rating label i {
            pointer-events: none;
        }
        .site-footer {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 2px solid #eef2f6;
            font-size: 0.9rem;
            color: #4a5a72;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 12px 0 16px;
        }
        .footer-links a {
            color: #1a4f8e;
            text-decoration: none;
        }
        .footer-links a:hover {
            color: #f5a623;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            padding: 12px 0 8px;
            font-weight: 500;
        }
        friend-link a {
            color: #1a4f8e;
            text-decoration: none;
            margin: 0 8px 0 0;
        }
        friend-link a:hover {
            color: #f5a623;
            text-decoration: underline;
        }
        .copyright {
            padding: 12px 0 4px;
            font-size: 0.82rem;
            color: #6a7a92;
            text-align: center;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a7a92;
            margin: 8px 0 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 768px) {
            .wrapper {
                padding: 12px 16px 28px;
                border-radius: 16px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 6px;
                border-top: 1px solid #eef2f6;
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 8px 0;
                font-size: 1rem;
                border-bottom: 1px solid #f0f2f5;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        a {
            transition: 0.15s;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .emoji-big {
            font-size: 1.4rem;
            vertical-align: middle;
        }
        .tag {
            display: inline-block;
            background: #eef2f6;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #1a4f8e;
            margin-right: 6px;
        }