*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.8;
            color: #1a1a2e;
            background: #f8f9fa;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            color: #d4af37;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #b8962f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #0d0d1a;
            font-weight: 700;
        }
        h1 {
            font-size: 2.6rem;
            border-bottom: 4px solid #d4af37;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            border-left: 6px solid #d4af37;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #1a1a2e;
        }
        h4 {
            font-size: 1.2rem;
            color: #2d2d44;
        }
        .container {
            padding: 20px 0 40px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d0d1a 0%, #1a1a2e 100%);
            padding: 16px 24px;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            position: relative;
            z-index: 100;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #d4af37, #f5d67d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(212, 175, 55, 0.3);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #d4af37;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #d4af37;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.3s;
        }
        .nav-toggle:hover {
            background: rgba(212, 175, 55, 0.15);
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 20px;
        }
        .main-nav a {
            color: #e0e0e0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
            transition: color 0.3s;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #d4af37;
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a:hover {
            color: #d4af37;
            text-decoration: none;
        }
        .main-nav .nav-highlight {
            background: #d4af37;
            color: #0d0d1a;
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 700;
        }
        .main-nav .nav-highlight:hover {
            background: #f5d67d;
            color: #0d0d1a;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 12px 0 8px;
            font-size: 0.9rem;
            color: #6c757d;
            background: transparent;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: '›';
            color: #d4af37;
            font-weight: 700;
            font-size: 1.2rem;
            margin-right: 6px;
        }
        .breadcrumb a {
            color: #d4af37;
        }
        .breadcrumb a:hover {
            color: #b8962f;
        }
        .breadcrumb .active {
            color: #6c757d;
            font-weight: 500;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            margin: 28px 0;
            border: 1px solid #e9ecef;
        }
        .search-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #dee2e6;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #d4af37;
            box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
        }
        .search-form button {
            padding: 14px 32px;
            background: #d4af37;
            color: #0d0d1a;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #f5d67d;
            transform: translateY(-2px);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin: 32px 0;
        }
        .main-content {
            background: #fff;
            border-radius: 20px;
            padding: 36px 40px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            border: 1px solid #f0f0f0;
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 28px 24px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            border: 1px solid #f0f0f0;
            align-self: start;
            position: sticky;
            top: 20px;
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.3rem;
            border-bottom: 2px solid #d4af37;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f0f0;
            margin: 0;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #1a1a2e;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #d4af37;
            text-decoration: none;
        }
        .sidebar ul li a i {
            color: #d4af37;
            width: 20px;
        }
        .feature-image {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
            background: #f0f0f0;
            text-align: center;
        }
        .feature-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-image figcaption {
            padding: 12px 20px;
            font-style: italic;
            color: #6c757d;
            font-size: 0.9rem;
            background: #fafafa;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fefcf3, #faf5e8);
            border-left: 6px solid #d4af37;
            padding: 20px 28px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #0d0d1a;
            color: #fff;
            padding: 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .stat-card .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #d4af37;
            display: block;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #ccc;
            margin-top: 4px;
        }
        .interaction-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 36px 0;
        }
        .interaction-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 28px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9ecef;
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 12px 16px;
            border: 2px solid #dee2e6;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #d4af37;
        }
        .interaction-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-card button {
            padding: 12px 24px;
            background: #d4af37;
            color: #0d0d1a;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        .interaction-card button:hover {
            background: #f5d67d;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #dee2e6;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #d4af37;
        }
        .site-footer {
            background: #0d0d1a;
            color: #e0e0e0;
            border-radius: 20px 20px 0 0;
            padding: 40px 32px 28px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer h4 {
            color: #d4af37;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 1px solid #2d2d44;
            padding-bottom: 8px;
        }
        .site-footer a {
            color: #b0b0c0;
        }
        .site-footer a:hover {
            color: #d4af37;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 16px 0;
            border-top: 1px solid #2d2d44;
            border-bottom: 1px solid #2d2d44;
            margin: 16px 0;
        }
        .friend-link a {
            color: #d4af37;
            font-weight: 500;
        }
        .friend-link a:hover {
            color: #f5d67d;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            font-size: 0.85rem;
            color: #8888a0;
            border-top: 1px solid #2d2d44;
            margin-top: 16px;
        }
        .copyright strong {
            color: #d4af37;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .interaction-section {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 12px;
            }
            .site-header {
                padding: 12px 16px;
                border-radius: 0 0 16px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                width: 100%;
            }
            .main-nav a::after {
                display: none;
            }
            .main-content {
                padding: 20px 18px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .search-form input[type="text"] {
                min-width: 140px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .interaction-card {
                padding: 18px 16px;
            }
            .site-footer {
                padding: 28px 18px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .feature-image img {
                max-height: 240px;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .interaction-section {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .main-content {
                padding: 16px 12px;
            }
        }
        .last-updated {
            display: inline-block;
            background: #f0f0f5;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #6c757d;
            margin-bottom: 16px;
        }
        .last-updated i {
            color: #d4af37;
            margin-right: 6px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: #0d0d1a;
            color: #d4af37;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e9ecef;
        }
        table tr:hover td {
            background: #faf5e8;
        }
        .btn-back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #d4af37;
            color: #0d0d1a;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
            cursor: pointer;
            transition: transform 0.3s, background 0.3s;
            border: none;
            z-index: 999;
        }
        .btn-back-top:hover {
            transform: translateY(-4px);
            background: #f5d67d;
        }