*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #fafaf9;
            color: #1e293b;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #d97706;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1e3a5f 0%, #2c5282 100%);
            color: #fff;
            padding: 16px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fbbf24;
            background: rgba(255, 255, 255, 0.08);
            padding: 6px 18px;
            border-radius: 40px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: background 0.3s;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #fbbf24;
        }
        .my-logo:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fbbf24;
        }
        .my-logo span {
            font-weight: 300;
            color: #e2e8f0;
            font-size: 0.8rem;
            letter-spacing: 1px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e2e8f0;
            padding: 8px 16px;
            border-radius: 32px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.25s, color 0.25s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a:hover,
        .nav-list li a.active {
            background: rgba(251, 191, 36, 0.2);
            color: #fbbf24;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: border-color 0.2s;
        }
        .hamburger-btn:hover {
            border-color: #fbbf24;
        }
        .nav-mobile-open .nav-list {
            display: flex !important;
            flex-direction: column;
            width: 100%;
            background: #1e3a5f;
            padding: 16px 0;
            border-radius: 16px;
            margin-top: 12px;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #475569;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #94a3b8;
            font-weight: 700;
            margin-right: 6px;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            flex: 1;
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #0f172a;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #d97706;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1e3a5f;
            margin-top: 56px;
            margin-bottom: 20px;
            border-left: 6px solid #fbbf24;
            padding-left: 20px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2c5282;
            margin-top: 36px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #334155;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.25rem;
            color: #334155;
            border-left: 4px solid #fbbf24;
            padding-left: 20px;
            font-weight: 400;
        }
        .highlight {
            background: #fef9e7;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .badge {
            display: inline-block;
            background: #e2e8f0;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #1e293b;
        }
        .section-card {
            background: #fff;
            border-radius: 20px;
            padding: 32px 32px 40px;
            margin-bottom: 32px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: box-shadow 0.3s;
        }
        .section-card:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .feature-image {
            margin: 28px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            background: #f1f5f9;
            position: relative;
        }
        .feature-image img {
            width: 100%;
            object-fit: cover;
            max-height: 460px;
        }
        .feature-image figcaption {
            padding: 12px 18px;
            font-size: 0.9rem;
            color: #475569;
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
            font-style: italic;
        }
        .resource-links {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 28px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .resource-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: all 0.2s;
            border: 1px solid #e2e8f0;
        }
        .resource-links a:hover {
            background: #1e3a5f;
            color: #fbbf24;
            border-color: #1e3a5f;
            transform: translateY(-2px);
        }
        .search-section {
            background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
            border-radius: 20px;
            padding: 32px 28px;
            margin: 40px 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 640px;
            margin: 16px auto 0;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #cbd5e1;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #1e3a5f;
        }
        .search-form button {
            padding: 14px 32px;
            background: #1e3a5f;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #2c5282;
            transform: scale(1.02);
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin: 40px 0;
        }
        @media (max-width:768px) {
            .user-feedback {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #fff;
            border-radius: 20px;
            padding: 28px 24px 32px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
            border-left: 4px solid #fbbf24;
            padding-left: 14px;
        }
        .feedback-form textarea,
        .feedback-form input,
        .feedback-form select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s;
            background: #fafaf9;
            margin-bottom: 12px;
        }
        .feedback-form textarea:focus,
        .feedback-form input:focus,
        .feedback-form select:focus {
            border-color: #1e3a5f;
            outline: none;
        }
        .feedback-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-form button {
            padding: 12px 32px;
            background: #d97706;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-form button:hover {
            background: #b45309;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            margin-bottom: 12px;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating i:hover,
        .star-rating i.hover {
            color: #fbbf24;
            transform: scale(1.15);
        }
        .star-rating i.selected {
            color: #f59e0b;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 32px;
            margin-top: 48px;
            border-top: 4px solid #fbbf24;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        @media (max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        .footer-brand .my-logo {
            font-size: 1.5rem;
            padding: 4px 16px;
            background: rgba(255, 255, 255, 0.06);
        }
        .footer-brand p {
            font-size: 0.95rem;
            color: #94a3b8;
            margin-top: 12px;
        }
        .footer-links h4,
        .footer-friend h4 {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .footer-links ul,
        friend-link {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a,
        friend-link a {
            color: #94a3b8;
            transition: color 0.2s, padding-left 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover,
        friend-link a:hover {
            color: #fbbf24;
            padding-left: 4px;
        }
        friend-link {
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-style: normal;
        }
        .footer-copy {
            border-top: 1px solid #1e293b;
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 24px;
        }
        .footer-copy a {
            color: #94a3b8;
        }
        .footer-copy a:hover {
            color: #fbbf24;
        }
        @media (max-width:900px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .section-card {
                padding: 24px 18px;
            }
            .nav-list {
                display: none;
                width: 100%;
            }
            .hamburger-btn {
                display: block;
            }
            .nav-wrapper.nav-mobile-open .nav-list {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
        }
        @media (max-width:480px) {
            h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.3rem;
                padding: 4px 12px;
            }
            .search-form input[type="text"],
            .search-form button {
                width: 100%;
                border-radius: 12px;
            }
            .resource-links {
                flex-direction: column;
            }
        }
        .text-muted {
            color: #64748b;
            font-size: 0.9rem;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .gap-1 {
            gap: 8px;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #e2e8f0;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #1e293b;
        }
        .schema-hidden {
            display: none;
        }