* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f5f7fb;
            color: #1e293b;
            line-height: 1.7;
            font-size: 17px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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: 26px;
            font-weight: 800;
            color: #facc15;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: #facc15;
            font-size: 30px;
        }
        .my-logo:hover {
            color: #fbbf24;
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 28px;
            cursor: pointer;
            padding: 4px 8px;
            transition: opacity 0.2s;
        }
        .hamburger:hover {
            opacity: 0.8;
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 14px;
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 14px;
            color: #64748b;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb a:hover {
            color: #1d4ed8;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #94a3b8;
        }
        .hero {
            background: linear-gradient(145deg, #eef2ff 0%, #dbeafe 100%);
            padding: 48px 0 40px;
            border-radius: 0 0 40px 40px;
            margin-bottom: 32px;
        }
        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #0f172a;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: #f59e0b;
        }
        .hero p {
            font-size: 20px;
            color: #334155;
            max-width: 800px;
        }
        .last-updated {
            display: inline-block;
            background: #fff;
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 14px;
            color: #475569;
            margin-top: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .last-updated i {
            margin-right: 6px;
            color: #f59e0b;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 32px 0 48px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #0f172a;
            border-bottom: 2px solid #eef2ff;
            padding-bottom: 10px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            color: #2563eb;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a i {
            font-size: 14px;
            color: #f59e0b;
        }
        h2 {
            font-size: 32px;
            font-weight: 700;
            color: #0f172a;
            margin-top: 48px;
            margin-bottom: 18px;
            line-height: 1.3;
            border-left: 5px solid #f59e0b;
            padding-left: 18px;
        }
        h3 {
            font-size: 24px;
            font-weight: 600;
            color: #1e293b;
            margin-top: 36px;
            margin-bottom: 14px;
            line-height: 1.35;
        }
        h4 {
            font-size: 20px;
            font-weight: 600;
            color: #334155;
            margin-top: 28px;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        p {
            margin-bottom: 20px;
            color: #334155;
        }
        .highlight {
            background: #fef9c3;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 28px;
            vertical-align: middle;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
        }
        .image-caption {
            font-size: 14px;
            color: #64748b;
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin: 40px 0;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 16px;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #f59e0b;
        }
        .search-form button {
            background: #f59e0b;
            color: #0f172a;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #d97706;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
        }
        .comments-section {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin: 40px 0;
        }
        .comments-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 16px;
            font-size: 16px;
            outline: none;
            transition: border 0.3s;
            min-height: 120px;
            font-family: inherit;
            resize: vertical;
        }
        .comment-form textarea:focus {
            border-color: #f59e0b;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 14px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 16px;
            outline: none;
            transition: border 0.3s;
            margin: 12px 0;
        }
        .comment-form input[type="text"]:focus {
            border-color: #f59e0b;
        }
        .comment-form button {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
        }
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin: 40px 0;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 32px;
            cursor: pointer;
            margin: 12px 0;
        }
        .rating-stars i {
            color: #d1d5db;
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f59e0b;
            transform: scale(1.1);
        }
        .rating-form button {
            background: #f59e0b;
            color: #0f172a;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .rating-form button:hover {
            background: #d97706;
            transform: translateY(-2px);
        }
        .rating-score {
            font-size: 20px;
            font-weight: 700;
            color: #0f172a;
            margin-top: 8px;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 40px 0 24px;
            margin-top: 56px;
            border-radius: 40px 40px 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-inner h4 {
            color: #facc15;
            font-size: 18px;
            margin-top: 0;
            margin-bottom: 16px;
        }
        .footer-inner a {
            color: #94a3b8;
        }
        .footer-inner a:hover {
            color: #facc15;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            margin-top: 20px;
            text-align: center;
            font-size: 14px;
            color: #64748b;
        }
        .copyright strong {
            color: #94a3b8;
        }
        friend-link {
            display: block;
            padding: 12px 0;
        }
        friend-link a {
            color: #94a3b8;
            margin: 0 12px 0 0;
            font-size: 14px;
        }
        friend-link a:hover {
            color: #facc15;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                font-size: 16px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 17px;
            }
            h2 {
                font-size: 26px;
            }
            h3 {
                font-size: 20px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.06);
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .container {
                padding: 0 16px;
            }
            .breadcrumb {
                font-size: 13px;
                overflow-x: auto;
                white-space: nowrap;
            }
            .rating-stars {
                font-size: 28px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 24px;
            }
            .my-logo {
                font-size: 20px;
            }
            .my-logo i {
                font-size: 24px;
            }
            h2 {
                font-size: 22px;
                padding-left: 12px;
            }
            h3 {
                font-size: 18px;
            }
            .search-section,
            .comments-section,
            .rating-section {
                padding: 20px;
            }
        }
        .btn-icon {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .text-sm {
            font-size: 14px;
            color: #64748b;
        }
        .blockquote-custom {
            border-left: 4px solid #f59e0b;
            background: #fef9c3;
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            font-style: italic;
            color: #1e293b;
        }
        .blockquote-custom strong {
            color: #0f172a;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #eef2ff;
        }
        .stat-card .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: #f59e0b;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: #64748b;
            margin-top: 4px;
        }
        .interview-box {
            background: #f8fafc;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #e2e8f0;
            margin: 24px 0;
        }
        .interview-box h4 {
            margin-top: 0;
            color: #0f172a;
        }
        .interview-box .interview-question {
            font-weight: 700;
            color: #2563eb;
        }
        .interview-box .interview-answer {
            margin-bottom: 16px;
        }
        .tip-box {
            background: #ecfdf5;
            border-radius: 12px;
            padding: 20px;
            border-left: 5px solid #10b981;
            margin: 20px 0;
        }
        .tip-box h4 {
            margin-top: 0;
            color: #065f46;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }
        th {
            background: #f1f5f9;
            padding: 14px 18px;
            text-align: left;
            font-weight: 700;
            color: #0f172a;
        }
        td {
            padding: 14px 18px;
            border-top: 1px solid #e2e8f0;
            color: #334155;
        }
        tr:hover td {
            background: #f8fafc;
        }
        html {
            scroll-behavior: smooth;
        }
        .author-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 16px 0 24px;
            padding: 16px 20px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .author-meta img {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
        }
        .author-meta .author-name {
            font-weight: 700;
            color: #0f172a;
        }
        .author-meta .author-title {
            font-size: 14px;
            color: #64748b;
        }