*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f8f9fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b22222;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #8b0000;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 100%);
            padding: 1rem 0;
            border-bottom: 4px solid #b22222;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #f0c040, #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo span {
            color: #f0c040;
            -webkit-text-fill-color: #f0c040;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e0e0;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f0c040;
            text-decoration: none;
        }
        .main-nav a.active {
            color: #f0c040;
            background: rgba(240, 192, 64, 0.15);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb {
            background: #fff;
            padding: 0.75rem 0;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.5rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #999;
        }
        .breadcrumb a {
            color: #b22222;
        }
        .breadcrumb .current {
            color: #444;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1a2a4a 0%, #2a3a5a 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
            border-bottom: 3px solid #f0c040;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: 1px;
            margin-bottom: 0.75rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }
        .hero h1 i {
            color: #f0c040;
            margin-right: 0.5rem;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 750px;
            margin: 0.5rem auto 0;
            opacity: 0.9;
            line-height: 1.6;
        }
        .hero .last-updated {
            display: inline-block;
            margin-top: 1rem;
            background: rgba(255, 255, 255, 0.12);
            padding: 0.35rem 1.2rem;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .search-section {
            background: #fff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #e9ecef;
        }
        .search-form {
            display: flex;
            gap: 0.75rem;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #b22222;
        }
        .search-form button {
            padding: 0.75rem 2rem;
            background: #b22222;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #8b0000;
            transform: translateY(-2px);
        }
        .main-content {
            padding: 2.5rem 0;
            background: #fff;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }
        .content-body h2 {
            font-size: 2rem;
            color: #0a1628;
            border-bottom: 3px solid #b22222;
            padding-bottom: 0.5rem;
            margin-top: 2.5rem;
            margin-bottom: 1.25rem;
        }
        .content-body h3 {
            font-size: 1.5rem;
            color: #1a2a4a;
            margin-top: 1.75rem;
            margin-bottom: 0.75rem;
            padding-left: 0.5rem;
            border-left: 4px solid #f0c040;
        }
        .content-body h4 {
            font-size: 1.2rem;
            color: #2a3a5a;
            margin-top: 1.25rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .content-body p {
            margin-bottom: 1.1rem;
            font-size: 1.05rem;
            color: #2d2d3a;
        }
        .content-body strong {
            color: #b22222;
        }
        .content-body .feature-box {
            background: #f0f4f8;
            border-left: 5px solid #b22222;
            padding: 1.25rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .content-body .feature-box i {
            color: #b22222;
            margin-right: 0.5rem;
        }
        .content-body ul,
        .content-body ol {
            margin-bottom: 1.25rem;
        }
        .content-body li {
            margin-bottom: 0.4rem;
        }
        .content-body .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .content-image {
            margin: 2rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #e9ecef;
        }
        .content-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            min-height: 280px;
            background: linear-gradient(135deg, #1a2a4a, #3a5a7a);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            padding: 2rem;
        }
        .content-image figcaption {
            padding: 0.75rem 1rem;
            background: #f0f4f8;
            font-size: 0.9rem;
            color: #555;
            font-style: italic;
            border-top: 1px solid #ddd;
        }
        .sidebar {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid #e9ecef;
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #0a1628;
            border-bottom: 2px solid #b22222;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem 0;
        }
        .sidebar ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #e9ecef;
        }
        .sidebar ul li a {
            color: #1a2a4a;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar ul li a:hover {
            color: #b22222;
        }
        .sidebar ul li a i {
            width: 1.2rem;
            color: #b22222;
        }
        .interaction-section {
            background: #f0f4f8;
            padding: 2rem 0;
            border-top: 2px solid #e9ecef;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .interaction-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.75rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #e9ecef;
        }
        .interaction-card h3 {
            font-size: 1.3rem;
            color: #0a1628;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .interaction-card h3 i {
            color: #b22222;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.25rem;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f0c040;
            transform: scale(1.05);
        }
        .score-form textarea,
        .comment-form textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 90px;
            transition: border 0.3s;
            margin-bottom: 0.75rem;
        }
        .score-form textarea:focus,
        .comment-form textarea:focus {
            border-color: #b22222;
            outline: none;
        }
        .score-form input[type="number"] {
            width: 100%;
            padding: 0.65rem 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 0.75rem;
            transition: border 0.3s;
        }
        .score-form input[type="number"]:focus {
            border-color: #b22222;
            outline: none;
        }
        .btn-submit {
            background: #b22222;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-submit:hover {
            background: #8b0000;
            transform: translateY(-2px);
        }
        .friend-links-section {
            background: #1a2a4a;
            color: #e0e0e0;
            padding: 2rem 0;
            border-top: 4px solid #f0c040;
        }
        .friend-links-section h3 {
            font-size: 1.4rem;
            color: #f0c040;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            padding: 0.5rem 0;
        }
        friend-link a {
            color: #b0c4de;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
        }
        friend-link a:hover {
            color: #f0c040;
            text-decoration: none;
        }
        friend-link a::after {
            content: "•";
            color: #f0c040;
            margin-left: 0.75rem;
            opacity: 0.5;
        }
        friend-link a:last-child::after {
            display: none;
        }
        .site-footer {
            background: #0a1628;
            color: #aaa;
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.9rem;
            border-top: 1px solid #2a3a5a;
        }
        .site-footer .copyright {
            color: #ccc;
        }
        .site-footer .copyright strong {
            color: #f0c040;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0a1628;
                padding: 1rem 0;
                border-top: 1px solid #2a3a5a;
                margin-top: 0.75rem;
                gap: 0;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.75rem 1.5rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                width: 100%;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .search-form input[type="text"] {
                min-width: 140px;
                flex: 1 1 100%;
            }
            .search-form button {
                flex: 1 1 100%;
                justify-content: center;
            }
            .content-body h2 {
                font-size: 1.6rem;
            }
            .content-body h3 {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.5rem 0;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero {
                padding: 2rem 0 1.5rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .interaction-card {
                padding: 1.25rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 0;
            background: #b22222;
            color: #fff;
            padding: 0.75rem 1.5rem;
            z-index: 10000;
            transition: top 0.3s;
        }
        .skip-link:focus {
            top: 0;
        }
        @media print {
            .site-header,
            .search-section,
            .interaction-section,
            .friend-links-section,
            .site-footer,
            .breadcrumb,
            .sidebar {
                display: none !important;
            }
            .hero {
                background: #fff !important;
                color: #000 !important;
                border-bottom: 2px solid #000 !important;
                padding: 1rem 0 !important;
            }
            .hero h1 {
                color: #000 !important;
                text-shadow: none !important;
            }
            .content-body {
                color: #000 !important;
            }
            .content-body a {
                color: #000 !important;
                text-decoration: underline !important;
            }
        }