*,
        *::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', Arial, sans-serif;
            background: #f5f7fc;
            color: #1e1e2f;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #1a4b8c;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #c0392b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            border-radius: 24px;
            padding: 20px 28px 36px;
            margin-top: 20px;
            margin-bottom: 20px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 18px;
            border-bottom: 2px solid #eaeef5;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #1a2a5e, #2c5aa0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            background: linear-gradient(135deg, #f7b731, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 2rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #4a5568;
            background: none;
            letter-spacing: 0.3px;
            margin-left: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a4a;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #eef2f7;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            align-items: center;
        }
        .main-nav a {
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 8px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            color: #2d3748;
        }
        .main-nav a:hover {
            background: #edf2f9;
            color: #1a4b8c;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 5px;
            font-size: 0.85rem;
            color: #5a6e8a;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
            padding: 12px 0 6px;
            color: #5a6e8a;
            width: 100%;
            border-top: 1px solid #eaeef5;
            margin-top: 12px;
        }
        .breadcrumb a {
            color: #2c5aa0;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb span {
            color: #8a9bb5;
        }
        .hero {
            padding: 20px 0 16px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0f1a3a, #2c5aa0, #1a4b8c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .hero .subhead {
            font-size: 1.1rem;
            color: #3d4f6a;
            max-width: 700px;
            margin: 0 auto 12px;
            font-weight: 400;
        }
        .hero .last-updated {
            display: inline-block;
            background: #eef3fb;
            padding: 4px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #2d4a7a;
            font-weight: 500;
        }
        .hero .last-updated i {
            margin-right: 6px;
            color: #c0392b;
        }
        .featured-image-wrapper {
            margin: 20px 0 28px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            background: #eef2f7;
        }
        .featured-image-wrapper img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image-wrapper figcaption {
            padding: 10px 18px;
            font-size: 0.85rem;
            color: #4a5a72;
            background: #f8faff;
            border-top: 1px solid #e2e8f0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
        }
        @media (min-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr 300px;
            }
        }
        .main-article h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 32px 0 12px;
            padding-bottom: 6px;
            border-bottom: 3px solid #dce5f0;
            color: #0f1a3a;
        }
        .main-article h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 26px 0 10px;
            color: #1a3a6a;
        }
        .main-article h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #2c4a7a;
        }
        .main-article p {
            margin-bottom: 16px;
            font-size: 1.05rem;
            color: #1e2a3a;
        }
        .main-article strong {
            color: #0f1a3a;
            font-weight: 700;
        }
        .main-article ul,
        .main-article ol {
            margin: 12px 0 18px 24px;
        }
        .main-article li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .main-article .insight-box {
            background: #f0f5ff;
            border-left: 5px solid #2c5aa0;
            padding: 18px 22px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .main-article .insight-box i {
            color: #2c5aa0;
            margin-right: 8px;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin: 16px 0 20px;
            padding: 0;
            list-style: none;
        }
        .link-list-inline li a {
            background: #f0f4fe;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            display: inline-block;
            border: 1px solid #dce5f0;
            transition: all 0.2s;
        }
        .link-list-inline li a:hover {
            background: #2c5aa0;
            color: #fff;
            border-color: #2c5aa0;
            text-decoration: none;
        }
        .sidebar {
            background: #f8faff;
            border-radius: 20px;
            padding: 20px 22px;
            border: 1px solid #e2e8f0;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #0f1a3a;
            border-bottom: 2px solid #dce5f0;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar ul li {
            margin-bottom: 6px;
        }
        .sidebar ul li a {
            display: block;
            padding: 6px 8px;
            border-radius: 8px;
            font-size: 0.95rem;
            transition: background 0.2s;
        }
        .sidebar ul li a:hover {
            background: #e8effa;
            text-decoration: none;
        }
        .sidebar ul li a i {
            margin-right: 8px;
            color: #2c5aa0;
            width: 18px;
            text-align: center;
        }
        .search-section {
            margin: 32px 0 18px;
            background: #f0f5ff;
            padding: 24px 28px;
            border-radius: 20px;
            border: 1px solid #dce5f0;
        }
        .search-section h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #0f1a3a;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid #dce5f0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #2c5aa0;
        }
        .search-form button {
            background: #2c5aa0;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1a3d72;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin: 36px 0 20px;
        }
        @media (min-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .feedback-card {
            background: #f8faff;
            border-radius: 18px;
            padding: 22px 26px;
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #0f1a3a;
        }
        .feedback-card textarea,
        .feedback-card input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce5f0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            background: #fff;
            margin-bottom: 12px;
            resize: vertical;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #2c5aa0;
        }
        .feedback-card button {
            background: #2c5aa0;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card button:hover {
            background: #1a3d72;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d1d9e6;
            cursor: pointer;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f7b731;
            transform: scale(1.1);
        }
        .site-footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 2px solid #eaeef5;
            font-size: 0.95rem;
            color: #3d4f6a;
        }
        .site-footer friend-link {
            display: block;
            margin: 14px 0 10px;
            font-weight: 500;
        }
        .site-footer friend-link a {
            display: inline-block;
            margin-right: 16px;
            padding: 4px 10px;
            background: #f0f4fe;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        .site-footer friend-link a:hover {
            background: #2c5aa0;
            color: #fff;
            text-decoration: none;
        }
        .copyright {
            padding: 12px 0 6px;
            font-size: 0.85rem;
            color: #6a7e9a;
            text-align: center;
            border-top: 1px solid #e2e8f0;
            margin-top: 12px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 12px 14px 24px;
                border-radius: 16px;
                margin-top: 12px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero .subhead {
                font-size: 1rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 6px;
                gap: 4px;
                background: #f8faff;
                border-radius: 16px;
                margin-top: 10px;
                padding: 16px 18px;
                border: 1px solid #e2e8f0;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 10px 12px;
                border-radius: 10px;
            }
            .main-nav a i {
                width: 22px;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input[type="text"] {
                width: 100%;
                min-width: unset;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .main-article h2 {
                font-size: 1.6rem;
            }
            .main-article h3 {
                font-size: 1.3rem;
            }
            .main-article h4 {
                font-size: 1.1rem;
            }
            .main-article p {
                font-size: 0.98rem;
            }
            .sidebar {
                margin-top: 12px;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .container {
                padding: 18px 22px 30px;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
        }
        .emoji-big {
            font-size: 1.4em;
            margin-right: 4px;
        }
        .highlight {
            background: #fef9e7;
            padding: 2px 8px;
            border-radius: 6px;
            font-weight: 600;
        }
        .stat-number {
            font-weight: 800;
            color: #c0392b;
            font-size: 1.1em;
        }
        .table-mini {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0;
            font-size: 0.95rem;
        }
        .table-mini th,
        .table-mini td {
            border: 1px solid #dce5f0;
            padding: 8px 12px;
            text-align: left;
        }
        .table-mini th {
            background: #eef3fb;
            font-weight: 600;
            color: #0f1a3a;
        }
        .table-mini tr:nth-child(even) {
            background: #f8faff;
        }
        .tag {
            display: inline-block;
            background: #e8effa;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #1a4b8c;
            margin-right: 4px;
        }