*,
        *::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', sans-serif;
            background: #f4f7fb;
            color: #1e2a3e;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #d97706;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #b45309;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1a2e 0%, #1a2d4a 100%);
            color: #fff;
            padding: 16px 0;
            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: 1.6rem;
            font-weight: 800;
            color: #fbbf24;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(251, 191, 36, 0.2);
        }
        .my-logo i {
            color: #f97316;
            margin-right: 6px;
        }
        .my-logo:hover {
            color: #fde68a;
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e2e8f0;
            padding: 8px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a:hover {
            background: rgba(251, 191, 36, 0.15);
            color: #fbbf24;
            text-decoration: none;
        }
        .nav-list li a i {
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e9eef3;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 10px;
            color: #94a3b8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #1e40af;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 600;
        }
        .main-wrap {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .article-body {
            background: #fff;
            border-radius: 24px;
            padding: 40px 36px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
        }
        .article-body h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0f1a2e;
            margin-bottom: 12px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .article-body h1 i {
            color: #d97706;
        }
        .article-body .subhead {
            font-size: 1.1rem;
            color: #475569;
            margin-bottom: 24px;
            border-left: 4px solid #d97706;
            padding-left: 16px;
        }
        .article-body .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            font-size: 0.9rem;
            color: #64748b;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid #e9eef3;
        }
        .article-body .meta-info i {
            margin-right: 6px;
            color: #d97706;
        }
        .article-body .last-updated {
            font-weight: 600;
            color: #1e293b;
        }
        .article-body h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #0f1a2e;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #fbbf24;
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #1a2d4a;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #334155;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #1e293b;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #d97706;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .article-body .highlight-box strong {
            color: #92400e;
        }
        .article-body .stat-badge {
            display: inline-block;
            background: #1e40af;
            color: #fff;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .feature-img-wrap {
            margin: 28px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            background: #f1f5f9;
            text-align: center;
        }
        .feature-img-wrap img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-img-wrap figcaption {
            padding: 12px 16px;
            font-size: 0.85rem;
            color: #64748b;
            background: #f8fafc;
            font-style: italic;
        }
        .search-section {
            background: #fff;
            border-radius: 24px;
            padding: 32px 36px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
        }
        .search-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #dce3ec;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: #d97706;
        }
        .search-form button {
            background: #d97706;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #b45309;
            transform: translateY(-2px);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .card-interact {
            background: #fff;
            border-radius: 24px;
            padding: 28px 32px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
        }
        .card-interact h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interact-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .interact-form input,
        .interact-form textarea,
        .interact-form select {
            padding: 12px 16px;
            border: 2px solid #dce3ec;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .interact-form input:focus,
        .interact-form textarea:focus,
        .interact-form select:focus {
            border-color: #d97706;
        }
        .interact-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interact-form button {
            background: #1e40af;
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            align-self: flex-start;
        }
        .interact-form button:hover {
            background: #1e3a8a;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f59e0b;
            transform: scale(1.15);
        }
        .sidebar-links {
            background: #fff;
            border-radius: 24px;
            padding: 28px 32px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
        }
        .sidebar-links h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #0f1a2e;
        }
        .sidebar-links ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-links ul li {
            padding: 10px 0;
            border-bottom: 1px solid #e9eef3;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-links ul li:last-child {
            border-bottom: none;
        }
        .sidebar-links ul li i {
            color: #d97706;
            font-size: 0.9rem;
            width: 18px;
        }
        .sidebar-links ul li a {
            color: #1e40af;
            font-weight: 500;
        }
        .sidebar-links ul li a:hover {
            color: #d97706;
        }
        friend-link {
            display: block;
            background: #fff;
            border-radius: 24px;
            padding: 28px 32px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
            margin-top: 30px;
        }
        friend-link h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #0f1a2e;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        friend-link ul li a {
            color: #1e40af;
            font-weight: 500;
        }
        friend-link ul li a:hover {
            color: #d97706;
        }
        .site-footer {
            background: #0f1a2e;
            color: #cbd5e1;
            padding: 40px 0 28px;
            margin-top: 40px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 24px;
            align-items: center;
        }
        .footer-inner .copyright {
            font-size: 0.9rem;
        }
        .footer-inner .copyright strong {
            color: #fbbf24;
        }
        .footer-inner .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-inner .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .footer-inner .footer-links a:hover {
            color: #fbbf24;
        }
        @media (max-width: 900px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .article-body {
                padding: 28px 20px;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .search-section {
                padding: 24px 20px;
            }
            .card-interact {
                padding: 24px 20px;
            }
            .sidebar-links {
                padding: 24px 20px;
            }
            friend-link {
                padding: 24px 20px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f1a2e;
                padding: 16px 0;
                border-radius: 16px;
                margin-top: 12px;
                gap: 2px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 20px;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .hamburger {
                display: block;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .article-body h2 {
                font-size: 1.35rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .interact-form button {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .article-body {
                padding: 20px 14px;
                border-radius: 16px;
            }
            .article-body h1 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 6px;
            }
            .feature-img-wrap {
                margin: 16px 0;
            }
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .article-body,
        .search-section,
        .card-interact,
        .sidebar-links,
        friend-link {
            animation: fadeUp 0.6s ease forwards;
        }
        .card-interact:nth-child(2) {
            animation-delay: 0.1s;
        }