*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #1e2a3a;
            background: #f5f7fc;
            padding: 0 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #004999;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b1a2e;
            margin-top: 1.2em;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #f39c12;
            padding-left: 16px;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1em;
            color: #2c3e50;
        }
        ul,
        ol {
            margin-bottom: 1.2em;
            padding-left: 1.5em;
        }
        li {
            margin-bottom: 0.4em;
        }
        blockquote {
            background: #eef2f7;
            border-left: 5px solid #f39c12;
            padding: 16px 20px;
            margin: 1.5em 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2c3e50;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            padding: 24px 28px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px 0;
            border-bottom: 2px solid #e9edf4;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f39c12, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            background: #f39c12;
            -webkit-text-fill-color: #fff;
            background: linear-gradient(135deg, #f39c12, #e67e22);
            padding: 8px 10px;
            border-radius: 50%;
            font-size: 1.2rem;
            color: #fff;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            background: none;
            -webkit-text-fill-color: inherit;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 18px;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            font-weight: 500;
            font-size: 0.95rem;
            color: #1e2a3a;
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-list li a:hover {
            border-bottom-color: #f39c12;
            color: #e67e22;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a3a;
            cursor: pointer;
            padding: 4px 8px;
            transition: 0.2s;
        }
        .hamburger:hover {
            color: #f39c12;
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 10px 0 6px 0;
            margin: 0 0 12px 0;
            font-size: 0.85rem;
            color: #5a6c7d;
            border-bottom: 1px solid #eef2f7;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #a0b3c6;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #0066cc;
        }
        .breadcrumb .active {
            color: #7f8c9b;
            font-weight: 500;
        }
        .search-section {
            background: #f0f4fe;
            border-radius: 16px;
            padding: 18px 22px;
            margin: 20px 0 28px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .search-section label {
            font-weight: 600;
            color: #0b1a2e;
            font-size: 1.05rem;
        }
        .search-form {
            display: flex;
            flex: 1 1 280px;
            gap: 8px;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid #d0dbe8;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            min-width: 120px;
        }
        .search-form input[type="text"]:focus {
            border-color: #f39c12;
            box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.15);
        }
        .search-form button {
            background: #f39c12;
            border: none;
            border-radius: 40px;
            padding: 10px 22px;
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: #e67e22;
            transform: scale(1.02);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2em 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .data-table th {
            background: #0b1a2e;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e9edf4;
            background: #fafcff;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f0f4fe;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 18px;
            margin: 1.5em 0;
        }
        .feature-card {
            background: #f8faff;
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
            border: 1px solid #e9edf4;
            transition: 0.25s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(243, 156, 18, 0.10);
            border-color: #f39c12;
        }
        .feature-card i {
            font-size: 2.2rem;
            color: #f39c12;
            margin-bottom: 10px;
        }
        .feature-card h4 {
            margin: 6px 0 4px 0;
            font-size: 1.05rem;
        }
        .interaction-section {
            background: #f8faff;
            border-radius: 20px;
            padding: 24px 26px;
            margin-top: 30px;
            border: 1px solid #e9edf4;
        }
        .interaction-section h3 {
            margin-top: 0;
        }
        .comment-form,
        .score-form {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 12px;
        }
        .comment-form textarea,
        .comment-form input,
        .score-form input,
        .score-form select {
            padding: 10px 14px;
            border: 2px solid #d0dbe8;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            width: 100%;
            font-family: inherit;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .score-form input:focus,
        .score-form select:focus {
            border-color: #f39c12;
            box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.10);
        }
        .comment-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .comment-form .field-group,
        .score-form .field-group {
            flex: 1 1 200px;
            min-width: 140px;
        }
        .comment-form button,
        .score-form button {
            background: #0b1a2e;
            border: none;
            border-radius: 40px;
            padding: 10px 28px;
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover,
        .score-form button:hover {
            background: #f39c12;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d0dbe8;
            cursor: default;
        }
        .star-rating .fa-star.active {
            color: #f39c12;
        }
        .site-footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 2px solid #e9edf4;
            font-size: 0.9rem;
            color: #4a5a6e;
        }
        friend-link {
            display: block;
            background: #f0f4fe;
            border-radius: 16px;
            padding: 18px 22px;
            margin: 16px 0 20px 0;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 6px 0;
            color: #0066cc;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #e67e22;
        }
        .copyright {
            text-align: center;
            padding: 12px 0 4px 0;
            font-size: 0.85rem;
            color: #6a7e90;
            border-top: 1px solid #eef2f7;
            margin-top: 16px;
        }
        .copyright strong {
            color: #0b1a2e;
        }
        .last-updated {
            display: inline-block;
            background: #eef2f7;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #3a4a5e;
            margin-bottom: 14px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #f39c12;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 16px 14px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
                padding-left: 12px;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1rem;
                padding: 6px 8px;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 16px 0 12px 0;
                border-top: 1px solid #e9edf4;
                margin-top: 12px;
                gap: 6px;
            }
            .nav-list li a {
                display: block;
                padding: 8px 12px;
                font-size: 1rem;
                border-bottom: 1px solid #f0f2f6;
            }
            .nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .search-section {
                flex-direction: column;
                align-items: stretch;
                padding: 14px;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form input[type="text"] {
                min-width: 100px;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-table {
                font-size: 0.78rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
            .interaction-section {
                padding: 16px;
            }
            friend-link {
                padding: 14px;
                font-size: 0.85rem;
            }
            .star-rating {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 12px 10px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .search-form button {
                padding: 10px 16px;
                font-size: 0.85rem;
            }
        }
        .text-muted {
            color: #5a6c7d;
        }
        .mt-2 {
            margin-top: 1.2rem;
        }
        .mb-1 {
            margin-bottom: 0.6rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .badge {
            background: #f39c12;
            color: #fff;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            display: inline-block;
        }
        .schema-hidden {
            display: none;
        }