*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f8f9fc;
            color: #1e2a3a;
            line-height: 1.8;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #922b21;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.8rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #0d1b2a;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #e74c3c;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #e74c3c;
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 2rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.5rem;
            color: #34495e;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a 0%, #1b2d45 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f1c40f, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.8rem;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            font-weight: 400;
            letter-spacing: 0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.4rem;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #f1c40f;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e0e0;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: 0.2s;
            text-decoration: none;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.1);
            color: #f1c40f;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #e74c3c;
            color: #fff;
        }
        .breadcrumb {
            background: #fff;
            padding: 0.6rem 0;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.9rem;
            color: #6c757d;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #adb5bd;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #c0392b;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1a2a3a, #2c3e50);
            color: #fff;
            padding: 4rem 0 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🃏";
            font-size: 12rem;
            position: absolute;
            right: -2rem;
            bottom: -3rem;
            opacity: 0.08;
            transform: rotate(-12deg);
        }
        .hero h1 {
            color: #fff;
            border-bottom-color: #f1c40f;
            font-size: 2.8rem;
            margin-bottom: 0.5rem;
        }
        .hero p {
            font-size: 1.25rem;
            max-width: 720px;
            margin: 0.8rem auto 1.5rem;
            opacity: 0.9;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            font-size: 0.95rem;
            color: #f1c40f;
        }
        .hero-meta i {
            margin-right: 0.4rem;
        }
        .last-updated {
            background: rgba(255, 255, 255, 0.12);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            display: inline-block;
        }
        .search-section {
            background: #fff;
            padding: 1.5rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        .search-form {
            display: flex;
            max-width: 580px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid #e0e0e0;
            transition: 0.3s;
            background: #fff;
        }
        .search-form:focus-within {
            border-color: #e74c3c;
            box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.12);
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-form button {
            background: #e74c3c;
            border: none;
            color: #fff;
            padding: 0 1.8rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #c0392b;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.8rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin-bottom: 2rem;
            border: 1px solid #f0f0f0;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #e74c3c;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f5f5f5;
        }
        .sidebar-card li a {
            color: #2c3e50;
            font-weight: 500;
        }
        .sidebar-card li a:hover {
            color: #e74c3c;
        }
        .featured-image {
            border-radius: 16px;
            overflow: hidden;
            margin: 2rem 0 2.5rem;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
            background: #fff;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            aspect-ratio: 1200/630;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #6c757d;
            background: #fafafa;
            border-top: 1px solid #eee;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .info-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #f0f0f0;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
        }
        .info-card i {
            font-size: 2rem;
            color: #e74c3c;
            margin-bottom: 0.8rem;
        }
        .info-card h4 {
            margin-top: 0;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #0d1b2a;
            color: #fff;
            padding: 0.9rem 1.2rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.8rem 1.2rem;
            border-bottom: 1px solid #f0f0f0;
        }
        .data-table tr:hover td {
            background: #faf5f0;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3rem 0;
        }
        .interaction-card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #f0f0f0;
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #2c3e50;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 0.95rem;
            transition: 0.2s;
            font-family: inherit;
            background: #fafafa;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #e74c3c;
            outline: none;
            background: #fff;
            box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.08);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #e74c3c;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn:hover {
            background: #c0392b;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(231, 76, 60, 0.25);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ddd;
            transition: 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        .site-footer {
            background: #0d1b2a;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #f1c40f;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: #bbb;
            font-size: 0.95rem;
        }
        .footer-grid a:hover {
            color: #f1c40f;
            text-decoration: none;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 1.5rem;
        }
        friend-link a {
            color: #f1c40f;
            margin: 0 0.8rem 0 0;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            color: #888;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .copyright strong {
            color: #ddd;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0d1b2a;
                padding: 1rem 0;
                margin-top: 1rem;
                border-top: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.8rem 1.2rem;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.5rem 0.7rem;
            }
            .hero-meta {
                gap: 1rem;
                font-size: 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .search-form input {
                padding: 0.6rem 1rem;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 1rem;
                font-size: 0.9rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
        }
        .highlight {
            background: #fef9e7;
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .tag {
            display: inline-block;
            background: #e74c3c;
            color: #fff;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .emoji-big {
            font-size: 2rem;
            margin-right: 0.4rem;
        }
        .pro-tip {
            background: linear-gradient(135deg, #fef9e7, #fdebd0);
            border-left: 5px solid #f39c12;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .pro-tip strong {
            color: #c0392b;
        }
        .insight-box {
            background: #eaf2f8;
            border-radius: 12px;
            padding: 1.5rem;
            margin: 1.8rem 0;
            border: 1px solid #d4e6f1;
        }
        .insight-box i {
            color: #2980b9;
            margin-right: 0.6rem;
        }