*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f6f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #004080;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b2a4a 0%, #1a4a7a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #f5c542;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            color: #f5c542;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.8;
            display: block;
            line-height: 1.2;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e0edff;
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu a:hover,
        .nav-menu a:focus {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 0.3rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e9eef3;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d9e2;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7a8a9e;
        }
        .breadcrumb a {
            color: #2a5a8a;
        }
        .breadcrumb .active {
            color: #4a5a6a;
            font-weight: 600;
        }
        main {
            padding: 2rem 0 3rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b2a4a;
            margin: 0 0 0.8rem;
            line-height: 1.2;
        }
        h1 i {
            color: #f5c542;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0b2a4a;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #e0e9f0;
        }
        h2 i {
            color: #1a4a7a;
            margin-right: 0.5rem;
        }
        h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1a3a5a;
            margin: 1.8rem 0 0.6rem;
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #2a4a6a;
            margin: 1.2rem 0 0.4rem;
        }
        p {
            margin: 0 0 1.2rem;
            font-size: 1rem;
            color: #1e2a3a;
        }
        .lead {
            font-size: 1.15rem;
            color: #2a3a4a;
            font-weight: 400;
        }
        strong {
            font-weight: 700;
            color: #0b2a4a;
        }
        .highlight {
            background: #fef9e0;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .featured-image {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #e9eef3;
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            min-height: 200px;
            max-height: 480px;
        }
        .featured-image figcaption {
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            color: #4a5a6a;
            background: #f0f4f8;
            font-style: italic;
        }
        .info-box {
            background: #e8f0fe;
            border-left: 5px solid #1a4a7a;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .info-box i {
            color: #1a4a7a;
            margin-right: 0.5rem;
        }
        .tip-box {
            background: #f0f7e8;
            border-left: 5px solid #2a8a4a;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .tip-box i {
            color: #2a8a4a;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e0e8f0;
        }
        th {
            background: #0b2a4a;
            color: #fff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f6fafd;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 0.6rem;
            margin: 1.2rem 0;
            padding: 0;
            list-style: none;
        }
        .link-grid li a {
            display: block;
            padding: 0.5rem 1rem;
            background: #f0f4f8;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s, transform 0.1s;
            border: 1px solid #dce4ec;
        }
        .link-grid li a i {
            margin-right: 0.4rem;
            color: #1a4a7a;
        }
        .link-grid li a:hover {
            background: #dce8f4;
            transform: translateY(-1px);
            text-decoration: none;
        }
        .search-section {
            background: #e9eef3;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 2rem 0;
        }
        .search-section form {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #c0d0e0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-section input[type="text"]:focus {
            border-color: #1a4a7a;
        }
        .search-section button {
            padding: 0.7rem 1.8rem;
            background: #1a4a7a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-section button:hover {
            background: #0b2a4a;
            transform: scale(1.02);
        }
        .search-section button i {
            margin-right: 0.4rem;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .comment-box,
        .rating-box {
            background: #fff;
            padding: 1.5rem 1.8rem;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e0e8f0;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
        }
        .comment-box form,
        .rating-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .comment-box input,
        .comment-box textarea,
        .rating-box select,
        .rating-box input {
            padding: 0.6rem 1rem;
            border: 2px solid #dce4ec;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            font-family: inherit;
        }
        .comment-box input:focus,
        .comment-box textarea:focus,
        .rating-box select:focus,
        .rating-box input:focus {
            border-color: #1a4a7a;
        }
        .comment-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-box button,
        .rating-box button {
            padding: 0.6rem 1.5rem;
            background: #1a4a7a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #0b2a4a;
        }
        .star-display {
            font-size: 1.6rem;
            color: #f5c542;
            letter-spacing: 4px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid #e0e8f0;
            border-radius: 12px;
            padding: 1rem 1.4rem;
            margin-bottom: 0.8rem;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            color: #0b2a4a;
        }
        .faq-item summary i {
            margin-right: 0.5rem;
            color: #1a4a7a;
        }
        .faq-item p {
            margin: 0.6rem 0 0;
        }
        .site-footer {
            background: #0b1a2a;
            color: #c0d0e0;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f0f4f8;
            margin: 0 0 0.8rem;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #90b0d0;
        }
        .footer-inner a:hover {
            color: #f5c542;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.3rem;
        }
        .footer-links li a i {
            margin-right: 0.3rem;
            font-size: 0.8rem;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0 0.5rem;
            border-top: 1px solid #1a2a3a;
            margin-top: 1.5rem;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            list-style: none;
            padding: 0;
        }
        friend-link a {
            color: #80b0d0;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #f5c542;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            font-size: 0.85rem;
            color: #7a8a9a;
            border-top: 1px solid #1a2a3a;
            margin-top: 1.5rem;
        }
        .copyright i {
            margin: 0 0.3rem;
        }
        @media (max-width: 900px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b2a4a;
                padding: 0.8rem 0 1.2rem;
                border-radius: 0 0 16px 16px;
                gap: 0.2rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.6rem 1.2rem;
                width: 100%;
                border-radius: 0;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                min-width: auto;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            table {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 0.5rem 0.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.6rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .comment-box,
            .rating-box {
                padding: 1rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #1a4a7a;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: background 0.2s, transform 0.2s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: #0b2a4a;
            transform: translateY(-3px);
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 1rem;
                right: 1rem;
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }