*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: #faf9f6;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #d97706;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #b45309;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1a2e 0%, #1a2d4a 100%);
            color: #ffffff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: #fbbf24;
            text-transform: uppercase;
            font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
            color: #fcd34d;
        }
        .my-logo span {
            color: #ffffff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            color: #ffffff;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e2e8f0;
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a:focus {
            background: rgba(251, 191, 36, 0.15);
            color: #fbbf24;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .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 10px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb a:hover {
            color: #d97706;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0f1a2e;
            margin-bottom: 12px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        h1 .highlight {
            color: #d97706;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a2d4a;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 4px solid #fbbf24;
            display: inline-block;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1e3a5f;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2c3e5c;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #334155;
        }
        .lead {
            font-size: 1.25rem;
            color: #1e293b;
            font-weight: 400;
            line-height: 1.8;
        }
        .last-update {
            display: inline-block;
            background: #f1f5f9;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #64748b;
            margin-bottom: 20px;
        }
        .last-update i {
            margin-right: 6px;
            color: #d97706;
        }
        .content-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 32px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            margin-bottom: 28px;
            border: 1px solid #f1f5f9;
            transition: box-shadow 0.25s;
        }
        .content-card:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .img-wrapper {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            background: #e2e8f0;
            position: relative;
        }
        .img-wrapper img {
            width: 100%;
            object-fit: cover;
            min-height: 220px;
            background: linear-gradient(135deg, #1a2d4a, #2d4a6e);
        }
        .img-caption {
            padding: 12px 20px;
            background: #f8fafc;
            font-size: 0.9rem;
            color: #475569;
            border-top: 1px solid #e2e8f0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            margin: 28px 0;
        }
        .stat-item {
            background: #f8fafc;
            border-radius: 14px;
            padding: 20px 16px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
        }
        .stat-item .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #d97706;
            display: block;
        }
        .stat-item .label {
            font-size: 0.95rem;
            color: #475569;
            margin-top: 4px;
        }
        .feature-list {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 14px;
            margin: 20px 0;
        }
        .feature-list li {
            background: #f8fafc;
            padding: 14px 20px;
            border-radius: 10px;
            border-left: 4px solid #fbbf24;
            font-size: 1rem;
            color: #1e293b;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .feature-list li i {
            color: #d97706;
            font-size: 1.2rem;
            width: 24px;
            text-align: center;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 12px;
            margin: 20px 0;
        }
        .link-grid a {
            display: block;
            padding: 12px 18px;
            background: #f8fafc;
            border-radius: 10px;
            border: 1px solid #e2e8f0;
            font-weight: 500;
            transition: background 0.2s, border-color 0.2s, transform 0.15s;
        }
        .link-grid a:hover {
            background: #fff7ed;
            border-color: #fbbf24;
            transform: translateX(4px);
            text-decoration: none;
        }
        .link-grid a i {
            margin-right: 10px;
            color: #d97706;
        }
        .form-section {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 32px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #f1f5f9;
            margin-bottom: 28px;
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #1e293b;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: #fafafa;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #fbbf24;
            box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.12);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
            background: #d97706;
            color: #ffffff;
        }
        .btn:hover {
            background: #b45309;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(217, 119, 6, 0.25);
        }
        .btn-secondary {
            background: #1e293b;
        }
        .btn-secondary:hover {
            background: #0f172a;
            box-shadow: 0 6px 20px rgba(30, 41, 59, 0.2);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #cbd5e1;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .comment-item {
            padding: 16px 20px;
            border-left: 4px solid #fbbf24;
            background: #f8fafc;
            border-radius: 0 10px 10px 0;
            margin-bottom: 14px;
        }
        .comment-item .author {
            font-weight: 700;
            color: #1e293b;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-left: 12px;
        }
        .comment-item .text {
            margin-top: 6px;
            color: #334155;
        }
        .site-footer {
            background: #0f1a2e;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-inner h4 {
            color: #fbbf24;
            margin-top: 0;
            font-size: 1.1rem;
            border: none;
        }
        .footer-inner a {
            color: #94a3b8;
            display: block;
            padding: 4px 0;
            font-size: 0.95rem;
        }
        .footer-inner a:hover {
            color: #fbbf24;
        }
        .footer-bottom {
            border-top: 1px solid #1e3a5f;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #64748b;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #94a3b8;
            margin: 0 8px;
        }
        friend-link a:hover {
            color: #fbbf24;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #0f1a2e;
                padding: 12px 0;
                border-radius: 12px;
                margin-top: 8px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .nav-menu a:last-child {
                border-bottom: none;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .content-card,
            .form-section {
                padding: 20px 18px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                gap: 8px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .number {
                font-size: 1.6rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        @media (min-width: 769px) {
            .nav-menu {
                display: flex !important;
            }
        }
        @media print {
            .site-header {
                position: static;
            }
            .nav-toggle,
            .form-section {
                display: none;
            }
            .content-card {
                box-shadow: none;
                border: 1px solid #ddd;
            }
        }