        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0b2a41, #1a4a6e);
            color: #fff;
            padding: 0.8rem 0;
            border-radius: 0 0 24px 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(4px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #f9d423, #f7971e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f9d423;
            font-size: 2rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #bdd3e8;
            display: block;
            letter-spacing: 1px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e2edf7;
            font-weight: 500;
            padding: 0.4rem 0.9rem;
            border-radius: 40px;
            font-size: 0.9rem;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #ffd966;
        }
        .nav-list li a.active {
            background: #f9d423;
            color: #0b2a41;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.6rem 1.2rem;
            border-radius: 40px;
            margin: 1.2rem 0 1.8rem;
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb span {
            color: #64748b;
        }
        .breadcrumb .sep {
            color: #94a3b8;
        }
        main {
            padding: 0.5rem 0 3rem;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b2a41;
            margin-bottom: 0.5rem;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #f7971e;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0b2a41;
            margin-top: 3rem;
            margin-bottom: 1rem;
            border-left: 6px solid #f9d423;
            padding-left: 1.2rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1e3a5f;
            margin-top: 2.2rem;
            margin-bottom: 0.7rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c4a6e;
            margin-top: 1.6rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            line-height: 1.8;
        }
        .lead {
            font-size: 1.2rem;
            color: #334155;
            font-weight: 400;
            max-width: 800px;
        }
        .highlight {
            background: #fef9e7;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.6rem;
            vertical-align: middle;
        }
        .card {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
            margin-bottom: 2.5rem;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
        }
        .feature-image {
            margin: 2rem 0 2.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
        }
        .feature-image figcaption {
            background: #f1f5f9;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #475569;
            text-align: center;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 1.8rem 0 2.2rem;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            background: #fff;
            border: 1px solid #e2e8f0;
            transition: border 0.2s;
        }
        .search-box:focus-within {
            border-color: #f9d423;
            box-shadow: 0 4px 20px rgba(249, 212, 35, 0.15);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
            font-family: inherit;
        }
        .search-box button {
            background: #0b2a41;
            color: #fff;
            border: none;
            padding: 0.9rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #1a4a6e;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 1.5rem;
        }
        .feedback-card {
            background: #fff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
        }
        .feedback-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #d1d9e6;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fafcff;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #f9d423;
            outline: none;
            box-shadow: 0 0 0 3px rgba(249, 212, 35, 0.15);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #0b2a41;
            color: #fff;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #1a4a6e;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.6rem;
            color: #d1d9e6;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f9d423;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 0.8rem;
            margin: 1.2rem 0 1.8rem;
        }
        .link-grid a {
            background: #f1f5f9;
            padding: 0.7rem 1.2rem;
            border-radius: 40px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: background 0.2s, color 0.2s;
            font-size: 0.9rem;
        }
        .link-grid a:hover {
            background: #0b2a41;
            color: #fff;
        }
        .site-footer {
            background: #0b2a41;
            color: #cbd5e1;
            padding: 2.5rem 1.5rem 1.5rem;
            border-radius: 24px 24px 0 0;
            margin-top: 3rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-inner h4 {
            color: #f9d423;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #bdd3e8;
        }
        .footer-inner a:hover {
            color: #f9d423;
        }
        .footer-bottom {
            border-top: 1px solid #1e4a6a;
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #8ba9c7;
        }
        .footer-bottom .copyright {
            font-weight: 400;
        }
        friend-link {
            display: block;
            background: #0f3650;
            padding: 1rem 1.5rem;
            border-radius: 16px;
            margin: 1rem 0 0.5rem;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #e2edf7;
            margin: 0 0.8rem 0 0;
            display: inline-block;
        }
        friend-link a:hover {
            color: #f9d423;
        }
        friend-link::before {
            content: "🤝 Friend Links: ";
            font-weight: 600;
            color: #f9d423;
            margin-right: 0.5rem;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                background: #0f3b5e;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 1rem 1.2rem;
                border-radius: 0 0 20px 20px;
                gap: 0.3rem;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.7rem 1rem;
                display: block;
                font-size: 1rem;
            }
            .header-inner {
                position: relative;
            }
            .search-box {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-box button {
                border-radius: 0 0 20px 20px;
                justify-content: center;
            }
            .card {
                padding: 1.5rem 1.2rem;
            }
            .feature-image {
                margin: 1.2rem 0;
            }
            .link-grid {
                grid-template-columns: 1fr 1fr;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.8rem;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .star-rating {
                font-size: 1.3rem;
            }
        }
        .last-updated {
            font-size: 0.85rem;
            color: #64748b;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }
        .last-updated i {
            color: #f7971e;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #0b2a41;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #eef2f6;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f8fafc;
        }
        .tip-box {
            background: #eef9ff;
            border-left: 6px solid #0b2a41;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin: 1.8rem 0;
        }
        .tip-box strong {
            color: #0b2a41;
        }
