*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background: #f8fafc;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        :root {
            --primary: #6c2bd9;
            --primary-light: #8b5cf6;
            --primary-dark: #4c1d95;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-light: #f8fafc;
            --bg-card: #ffffff;
            --text-dark: #0f172a;
            --text-mid: #334155;
            --text-light: #64748b;
            --border: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --radius-sm: 8px;
            --transition: 0.25s ease;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(108, 43, 217, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
        }
        .my-logo:hover {
            color: var(--accent-light);
            text-decoration: none;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: var(--accent);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav {
            display: flex;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.88);
            padding: 0.5rem 0.9rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            text-decoration: none;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 8px;
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            cursor: pointer;
            transition: border 0.2s;
        }
        .hamburger:hover {
            border-color: #fff;
        }
        .hamburger i {
            pointer-events: none;
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .breadcrumb-wrap a {
            color: var(--primary);
        }
        .breadcrumb-wrap span {
            margin: 0 0.3rem;
            color: #94a3b8;
        }
        .main-content {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 2rem 2.5rem;
            margin-bottom: 2.5rem;
        }
        .article-card h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
        }
        .article-card h1 i {
            color: var(--accent);
            margin-right: 0.4rem;
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 1.8rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: 1rem;
        }
        .meta-line i {
            margin-right: 0.35rem;
        }
        .last-updated {
            font-weight: 600;
            color: var(--text-mid);
        }
        .article-card h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem 0;
            color: var(--primary-dark);
            border-left: 5px solid var(--accent);
            padding-left: 1rem;
        }
        .article-card h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1.6rem 0 0.7rem 0;
            color: var(--text-dark);
        }
        .article-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2rem 0 0.5rem 0;
            color: var(--text-mid);
        }
        .article-card p {
            margin-bottom: 1.1rem;
            color: var(--text-mid);
        }
        .article-card p b,
        .article-card li b {
            color: var(--text-dark);
        }
        .article-card ul,
        .article-card ol {
            margin-bottom: 1.2rem;
        }
        .article-card li {
            color: var(--text-mid);
        }
        .highlight-box {
            background: #f0f4ff;
            border-left: 5px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .highlight-box i {
            color: var(--primary);
            margin-right: 0.5rem;
        }
        .featured-image-wrap {
            margin: 1.8rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .featured-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/9;
            background: #eef2f6;
        }
        .featured-image-wrap figcaption {
            background: #f1f5f9;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: var(--text-light);
            font-style: italic;
            border-top: 1px solid var(--border);
        }
        .inline-link-list {
            background: #f8f4ff;
            border-radius: var(--radius-sm);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border: 1px solid #e4d9f7;
        }
        .inline-link-list p {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-dark);
        }
        .inline-link-list a {
            display: inline-block;
            margin: 0.15rem 0.6rem 0.15rem 0;
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .styled-table thead {
            background: var(--primary);
            color: #fff;
        }
        .styled-table th,
        .styled-table td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .styled-table tbody tr:nth-child(even) {
            background: #f8f6fc;
        }
        .styled-table tbody tr:hover {
            background: #ede9fe;
        }
        .search-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 1.8rem 2.5rem;
            margin-bottom: 2rem;
        }
        .search-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-dark);
        }
        .search-form {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border: 2px solid var(--border);
            border-radius: 999px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 0.75rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .search-form button i {
            font-size: 1rem;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .feedback-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 1.8rem 2rem;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }
        .feedback-card label {
            display: block;
            font-weight: 600;
            margin: 0.7rem 0 0.25rem;
            color: var(--text-mid);
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            width: 100%;
            padding: 0.65rem 1rem;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.25s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--primary);
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 0.7rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            margin-top: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card .btn-submit:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            direction: rtl;
            justify-content: flex-end;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d1d5db;
            transition: color 0.2s;
            font-size: 1.8rem;
        }
        .star-rating label::before {
            content: "\f005";
            font-family: "Font Awesome 6 Free";
            font-weight: 400;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: var(--accent);
            font-weight: 900;
        }
        friend-link {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 1.5rem 2rem;
            margin-top: 2rem;
        }
        friend-link h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-dark);
        }
        friend-link a {
            display: inline-block;
            margin: 0.25rem 1rem 0.25rem 0;
            color: var(--primary);
        }
        friend-link a:hover {
            color: var(--primary-dark);
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 0.8rem;
        }
        .site-footer .copyright {
            font-size: 0.88rem;
            color: #94a3b8;
        }
        .site-footer .copyright a {
            color: var(--accent-light);
        }
        .site-footer .copyright a:hover {
            color: #fff;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.5rem;
            justify-content: center;
        }
        .site-footer .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }
        @media (max-width: 992px) {
            .article-card {
                padding: 1.5rem 1.5rem;
            }
            .search-section,
            .feedback-card {
                padding: 1.5rem 1.5rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .article-card h1 {
                font-size: 2rem;
            }
            .article-card h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(255, 255, 255, 0.08);
                border-radius: var(--radius-sm);
                padding: 0.75rem 0.5rem;
                margin-top: 0.5rem;
                gap: 0.15rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 1rem;
                border-radius: 6px;
            }
            .article-card {
                padding: 1.25rem 1rem;
            }
            .article-card h1 {
                font-size: 1.7rem;
            }
            .article-card h2 {
                font-size: 1.3rem;
                padding-left: 0.75rem;
            }
            .article-card h3 {
                font-size: 1.15rem;
            }
            .meta-line {
                flex-direction: column;
                gap: 0.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
            .feedback-card {
                padding: 1.25rem 1rem;
            }
            .styled-table {
                font-size: 0.85rem;
            }
            .styled-table th,
            .styled-table td {
                padding: 0.5rem 0.6rem;
            }
            friend-link {
                padding: 1rem 1.25rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .article-card h1 {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 0.75rem;
            }
            .main-content {
                padding: 1rem 0 2rem;
            }
            .article-card {
                padding: 1rem 0.75rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .fw-bold {
            font-weight: 700;
        }
        .emoji-xl {
            font-size: 1.8rem;
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-up:nth-child(2) {
            animation-delay: 0.1s;
        }
        .fade-up:nth-child(3) {
            animation-delay: 0.2s;
        }
        .fade-up:nth-child(4) {
            animation-delay: 0.3s;
        }