*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background-color: #f6f8fb;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #2a6f97;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1a4b6d;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0b1c2b;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #2a6f97;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid #2a6f97;
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1.5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2c3e50;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1c2b 0%, #1a3a4e 100%);
            padding: 0.8rem 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;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #f9d423, #f7971e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(247, 151, 30, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #f9d423;
            margin-right: 0.3rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e6edf3;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f9d423;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.4rem;
            font-size: 0.9rem;
        }
        .breadcrumb {
            background: #eaf0f6;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6e0e9;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.2rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #8a9aa8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2a6f97;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        .search-section {
            background: #ffffff;
            padding: 2rem 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #dce3ec;
            transition: box-shadow 0.3s;
        }
        .search-form:focus-within {
            box-shadow: 0 4px 24px rgba(42, 111, 151, 0.18);
            border-color: #2a6f97;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
            color: #1e2a3a;
        }
        .search-form button {
            background: #2a6f97;
            border: none;
            color: #fff;
            padding: 0 1.8rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #1a4b6d;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
            background: #ffffff;
            border-radius: 20px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8edf4;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            margin-top: 0;
            border-bottom: 2px solid #e8edf4;
            padding-bottom: 0.7rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f0f4fa;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 500;
        }
        .sidebar ul li a i {
            color: #2a6f97;
            width: 1.2rem;
        }
        .feature-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .feature-image figcaption {
            background: #f0f4fa;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #4a5b6b;
            text-align: center;
            font-style: italic;
        }
        .score-card {
            background: linear-gradient(135deg, #f8faff, #eef3fa);
            border-radius: 20px;
            padding: 2rem;
            margin: 2.5rem 0;
            border: 1px solid #dce6f0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
        }
        .score-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 2.2rem;
            color: #e2c14a;
        }
        .score-stars i {
            cursor: pointer;
            transition: transform 0.15s, color 0.15s;
        }
        .score-stars i:hover {
            transform: scale(1.2);
            color: #f5b342;
        }
        .score-form {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .score-form input[type="number"] {
            width: 80px;
            padding: 0.5rem;
            border: 1px solid #cbd5e1;
            border-radius: 30px;
            text-align: center;
            font-size: 1rem;
        }
        .score-form button {
            background: #2a6f97;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .score-form button:hover {
            background: #1a4b6d;
        }
        .comment-section {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .comment-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #dce3ec;
            border-radius: 16px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 120px;
            transition: border-color 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #2a6f97;
            outline: none;
            box-shadow: 0 0 0 3px rgba(42, 111, 151, 0.12);
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 1px solid #dce3ec;
            border-radius: 40px;
            font-size: 0.95rem;
        }
        .comment-form .form-row input:focus {
            border-color: #2a6f97;
            outline: none;
        }
        .comment-form button {
            background: #2a6f97;
            color: #fff;
            border: none;
            padding: 0.8rem 2.2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 1rem;
        }
        .comment-form button:hover {
            background: #1a4b6d;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #0b1c2b;
            color: #fff;
            padding: 1rem 1.2rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid #e8edf4;
            background: #fff;
        }
        .data-table tr:hover td {
            background: #f6f9ff;
        }
        .site-footer {
            background: #0b1c2b;
            color: #c8d6e5;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #f9d423;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #a0b8cc;
        }
        .site-footer a:hover {
            color: #f9d423;
        }
        .footer-bottom {
            border-top: 1px solid #1e3a4e;
            padding-top: 1.8rem;
            text-align: center;
            font-size: 0.9rem;
            color: #8a9aa8;
        }
        friend-link {
            display: block;
            background: #112a3a;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.5rem 0;
            color: #e6edf3;
        }
        friend-link a {
            color: #f9d423;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 1rem;
                gap: 0.3rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                border-radius: 12px;
                text-align: center;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .score-card {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .score-stars {
                justify-content: center;
            }
            .score-form {
                justify-content: center;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
            .header-inner {
                padding: 0 0.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .search-form input {
                padding: 0.7rem 1rem;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 1.2rem;
                font-size: 0.95rem;
            }
            .comment-form .form-row input {
                min-width: 100%;
            }
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #eaf0f6;
            border-radius: 40px;
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
            color: #2c3e50;
            margin-bottom: 1.2rem;
        }
        .highlight-box {
            background: #f0f7fe;
            border-left: 5px solid #2a6f97;
            padding: 1.5rem 2rem;
            border-radius: 0 16px 16px 0;
            margin: 1.8rem 0;
        }
        .quote-block {
            font-style: italic;
            background: #ffffff;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
            margin: 1.8rem 0;
            position: relative;
        }
        .quote-block::before {
            content: "“";
            font-size: 3.5rem;
            color: #2a6f97;
            position: absolute;
            top: -0.2rem;
            left: 0.8rem;
            opacity: 0.2;
            font-family: Georgia, serif;
        }
        .tag {
            display: inline-block;
            background: #eaf0f6;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #2a6f97;
            margin-right: 0.4rem;
        }
        .btn-outline {
            display: inline-block;
            border: 2px solid #2a6f97;
            color: #2a6f97;
            padding: 0.5rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-outline:hover {
            background: #2a6f97;
            color: #fff;
            text-decoration: none;
        }