*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --accent: #f5a623;
            --accent-dark: #d48f1a;
            --bg: #f8f9fa;
            --card-bg: #ffffff;
            --text: #222;
            --text-light: #555;
            --border: #e0e0e0;
            --success: #28a745;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --max-width: 1200px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            padding: 0 16px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 16px;
        }
        header {
            background: var(--primary);
            color: #fff;
            padding: 12px 0;
            border-radius: 0 0 var(--radius) var(--radius);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            background: var(--accent);
            padding: 6px 20px;
            border-radius: 40px;
            letter-spacing: -0.5px;
            transition: transform 0.2s, background 0.2s;
            display: inline-block;
            text-decoration: none !important;
        }
        .my-logo:hover {
            transform: scale(1.03);
            background: var(--accent-dark);
            color: #fff;
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.9;
            display: block;
            text-align: center;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: #fff;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            text-decoration: none !important;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: var(--accent);
            text-decoration: none !important;
        }
        .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, 0.12);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-menu.open {
            display: flex;
        }
        .breadcrumb {
            background: var(--card-bg);
            padding: 10px 18px;
            border-radius: var(--radius);
            margin: 16px 0 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb .sep {
            margin: 0 4px;
            color: #aaa;
        }
        main {
            padding: 20px 0 40px;
        }
        article {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            margin-bottom: 32px;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 8px;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 40px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #333;
            margin-top: 20px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #333;
        }
        .meta-info {
            color: var(--text-light);
            font-size: 0.92rem;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .meta-info i {
            margin-right: 4px;
        }
        .featured-image {
            margin: 24px 0 30px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            background: #f1f3f5;
            font-size: 0.88rem;
            color: var(--text-light);
            text-align: center;
        }
        .highlight-box {
            background: #fef8e7;
            border-left: 5px solid var(--accent);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: var(--primary);
        }
        .data-table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
            min-width: 560px;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8f9fa;
        }
        tr:hover {
            background: #eef4fb;
        }
        .btn {
            display: inline-block;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            text-decoration: none !important;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            color: #fff;
            text-decoration: none !important;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            text-decoration: none !important;
        }
        .search-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            margin-bottom: 28px;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 640px;
            margin: 12px 0 0;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            border-color: var(--accent);
        }
        .search-form button {
            padding: 12px 28px;
            border-radius: 40px;
            border: none;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 28px 0;
        }
        .feedback-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 22px;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.98rem;
            font-family: var(--font);
            outline: none;
            transition: border-color 0.2s;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--accent);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .feedback-card .star-rating input {
            display: none;
        }
        .feedback-card .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
            color: #ddd;
        }
        .feedback-card .star-rating label:hover,
        .feedback-card .star-rating label:hover~label,
        .feedback-card .star-rating input:checked~label {
            color: var(--accent);
        }
        .feedback-card .btn {
            align-self: flex-start;
        }
        friend-link {
            display: block;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px 24px;
            margin: 28px 0 12px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 0;
            font-weight: 500;
        }
        footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 28px 0 20px;
            border-radius: var(--radius) var(--radius) 0 0;
            margin-top: 40px;
        }
        footer .footer-inner {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: center;
            text-align: center;
        }
        footer a {
            color: var(--accent);
        }
        footer a:hover {
            color: #fff;
        }
        footer .copyright {
            font-size: 0.88rem;
            opacity: 0.8;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 14px;
            margin-top: 8px;
            width: 100%;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            .header-inner {
                flex-direction: row;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--primary-light);
                padding: 12px 16px;
                border-radius: var(--radius);
                margin-top: 8px;
                gap: 4px;
            }
            .nav-menu a {
                width: 100%;
                padding: 10px 14px;
            }
            .nav-menu.open {
                display: flex;
            }
            article {
                padding: 20px 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .my-logo {
                font-size: 1.2rem;
                padding: 4px 14px;
            }
            .breadcrumb {
                font-size: 0.78rem;
                padding: 8px 12px;
            }
            .meta-info {
                flex-direction: column;
                gap: 6px;
                font-size: 0.85rem;
            }
            .data-table-wrap table {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 8px 10px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 4px;
            }
            article {
                padding: 16px 12px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            h3 {
                font-size: 1rem;
            }
            p {
                font-size: 0.95rem;
            }
            .feedback-card {
                padding: 16px 14px;
            }
            .btn {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .gap-8 {
            gap: 8px;
        }
        .tag {
            display: inline-block;
            background: #eef4fb;
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
        }
        .tag i {
            margin-right: 4px;
        }
        .list-styled {
            padding-left: 24px;
            margin-bottom: 18px;
        }
        .list-styled li {
            margin-bottom: 6px;
            font-size: 1.02rem;
        }