*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease;
        }
        a:hover {
            color: #ff8c00;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.35rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0d1b2a;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #ff8c00;
            padding-bottom: 0.45rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.65rem;
            border-left: 5px solid #0057b3;
            padding-left: 1rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1b3a5c;
        }
        h4 {
            font-size: 1.15rem;
            color: #2c4a6e;
        }
        p {
            margin: 1rem 0;
            color: #2d2d3f;
        }
        strong {
            color: #0d1b2a;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #ffd700;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0 #b8860b;
            transition: transform 0.3s ease;
            display: inline-block;
            font-family: 'Georgia', serif;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #ffe44d;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.65rem;
            color: #aac4e0;
            display: block;
            font-weight: 400;
            letter-spacing: 2px;
            text-shadow: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem 0.5rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e8edf3;
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 215, 0, 0.18);
            color: #ffd700;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #ffd700;
            color: #ffd700;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.25s;
        }
        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.12);
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d7de;
        }
        .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: 0.5rem;
            color: #6b7a8f;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0057b3;
        }
        .breadcrumb .current {
            color: #4a5a6e;
            font-weight: 600;
        }
        .page-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
            flex: 1;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 1.5rem;
            border: 1px solid #e2e8f0;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.15rem;
            border-bottom: 2px solid #ffd700;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        .sidebar-card li {
            padding: 0.35rem 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
        }
        .featured-image {
            margin: 1.5rem 0;
            border-radius: 14px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff8e7, #fff3d6);
            border-left: 6px solid #ff8c00;
            padding: 1.2rem 1.8rem;
            border-radius: 10px;
            margin: 1.8rem 0;
        }
        .highlight-box strong {
            color: #b45f00;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.2rem;
            text-align: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf4;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #0057b3;
            display: block;
        }
        .stat-card .label {
            color: #4a5a6e;
            font-size: 0.9rem;
            font-weight: 500;
        }
        .tip-list {
            padding-left: 0;
            list-style: none;
        }
        .tip-list li {
            padding: 0.5rem 0 0.5rem 2rem;
            position: relative;
            border-bottom: 1px solid #edf0f5;
        }
        .tip-list li::before {
            content: "🎲";
            position: absolute;
            left: 0;
            top: 0.5rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1rem;
            border: 2px solid #d0d7de;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
            outline: none;
        }
        .search-form input:focus {
            border-color: #0057b3;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            background: #0057b3;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: #003d7a;
            transform: scale(1.02);
        }
        .feedback-section {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .comment-form textarea {
            width: 100%;
            min-height: 100px;
            padding: 0.8rem;
            border: 2px solid #d0d7de;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            transition: border-color 0.3s;
            outline: none;
        }
        .comment-form textarea:focus {
            border-color: #0057b3;
        }
        .comment-form input,
        .score-form input {
            width: 100%;
            padding: 0.7rem 0.9rem;
            border: 2px solid #d0d7de;
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .comment-form input:focus,
        .score-form input:focus {
            border-color: #0057b3;
        }
        .comment-form .field,
        .score-form .field {
            margin-bottom: 0.9rem;
        }
        .btn-primary {
            background: #0057b3;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            font-size: 0.95rem;
        }
        .btn-primary:hover {
            background: #003d7a;
            transform: scale(1.02);
        }
        .score-form .star-group {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #ffb800;
            margin: 0.4rem 0;
            cursor: pointer;
        }
        .score-form .star-group i {
            transition: transform 0.2s, color 0.2s;
        }
        .score-form .star-group i:hover {
            transform: scale(1.2);
            color: #ff8c00;
        }
        .site-footer {
            background: #0d1b2a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #ffd700;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #aac4e0;
        }
        .footer-inner a:hover {
            color: #ffd700;
        }
        .friend-link {
            display: block;
            padding: 0.3rem 0;
            font-style: normal;
        }
        .friend-link a {
            margin-right: 0.5rem;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #1e3a5f;
            padding-top: 1.5rem;
            margin-top: 2rem;
            color: #8a9bb0;
            font-size: 0.85rem;
        }
        .update-badge {
            display: inline-block;
            background: #ffd700;
            color: #0d1b2a;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-right: 0.5rem;
        }
        @media (max-width: 992px) {
            .page-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #132a44;
                padding: 0.8rem;
                border-radius: 12px;
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 0.8rem;
                border-bottom: 1px solid #1e3a5f;
                width: 100%;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .search-form button {
                width: 100%;
            }
            .highlight-box {
                padding: 1rem;
            }
        }
        .text-muted {
            color: #6b7a8f;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }