*,
        *::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, 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            color: #1e2a3a;
            background: #f8f7f4;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b4542a;
            text-decoration: none;
            transition: color 0.2s ease, border-bottom 0.2s ease;
        }
        a:hover {
            color: #7a3b1c;
            border-bottom: 2px solid #b4542a;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f1a2b;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #b4542a;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2a3b4c;
        }
        h4 {
            font-size: 1.1rem;
            color: #3d4f62;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d3b4a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0f1a2b 0%, #1a2a3f 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f0d9b5;
            text-decoration: none;
            border: none;
            background: transparent;
            padding: 0.2rem 0;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            border: none;
            color: #f0d9b5;
        }
        .my-logo span {
            color: #e8b87a;
            font-weight: 300;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            font-weight: 300;
            letter-spacing: 2px;
            color: #a9b8ca;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #e8eef5;
            padding: 0.5rem 0.9rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            border: none;
            display: block;
        }
        .nav-list li a:hover {
            background: rgba(232, 184, 122, 0.18);
            color: #f0d9b5;
            border: none;
        }
        .nav-list li a i {
            margin-right: 0.35rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f0d9b5;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #ece8e0;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6cec2;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #8a7a6a;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #7a5a3a;
            border: none;
        }
        .breadcrumb a:hover {
            color: #b4542a;
            border: none;
        }
        .breadcrumb .active {
            color: #3d4f62;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1a2a3f 0%, #2c4058 100%);
            color: #f0f4fa;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2rem;
            border-bottom: 4px solid #b4542a;
        }
        .hero h1 {
            color: #f8edd9;
            font-size: 2.8rem;
            margin-top: 0;
        }
        .hero h1 i {
            color: #e8b87a;
        }
        .hero p {
            color: #d5dee8;
            font-size: 1.15rem;
            max-width: 800px;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
            font-size: 0.95rem;
            color: #bcc9d9;
        }
        .hero .meta-info i {
            margin-right: 0.4rem;
            color: #e8b87a;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0 3rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem 1.2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8e2d8;
            height: fit-content;
            position: sticky;
            top: 5.5rem;
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #e8e2d8;
            padding-bottom: 0.6rem;
            color: #0f1a2b;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 1rem 0 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0ece6;
        }
        .sidebar ul li a {
            color: #2a3b4c;
            border: none;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #b4542a;
            padding-left: 4px;
            border: none;
        }
        .feature-img-wrapper {
            margin: 2rem 0 2.5rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
            background: #e8e2d8;
        }
        .feature-img-wrapper img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .feature-img-wrapper figcaption {
            padding: 0.8rem 1.2rem;
            background: #f8f4ee;
            font-size: 0.9rem;
            color: #4a5a6a;
            font-style: italic;
        }
        .highlight-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem 1.8rem;
            margin: 1.8rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border-left: 6px solid #b4542a;
        }
        .highlight-card h4 {
            margin-top: 0;
            color: #0f1a2b;
        }
        .two-col-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem 2rem;
            margin: 1.2rem 0;
        }
        .two-col-list li {
            break-inside: avoid;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
            border-radius: 10px;
            border: 1px solid #e0d8ce;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e8e2d8;
        }
        th {
            background: #0f1a2b;
            color: #f0d9b5;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8f6f2;
        }
        tr:hover td {
            background: #f0ebe4;
        }
        .search-box {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 1.5rem 0;
            background: #fff;
            padding: 1.2rem 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #e0d8ce;
        }
        .search-box input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #d6cec2;
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.25s;
            background: #fcfaf8;
        }
        .search-box input[type="text"]:focus {
            border-color: #b4542a;
        }
        .search-box button {
            padding: 0.7rem 1.6rem;
            background: #b4542a;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #9a4520;
        }
        .search-box button:active {
            transform: scale(0.97);
        }
        .feedback-section {
            background: #fff;
            border-radius: 14px;
            padding: 2rem 2rem 2.5rem;
            margin: 2.5rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8e2d8;
        }
        .feedback-section h2 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e2a3a;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d6cec2;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.25s;
            background: #fcfaf8;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #b4542a;
        }
        .form-group textarea {
            min-height: 110px;
            resize: vertical;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        .btn-primary {
            padding: 0.8rem 2.2rem;
            background: #b4542a;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn-primary:hover {
            background: #9a4520;
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 1.6rem;
            color: #d6cec2;
            cursor: pointer;
            margin: 0.3rem 0 0.5rem;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #e8b87a;
            transform: scale(1.08);
        }
        .site-footer {
            background: #0f1a2b;
            color: #c8d4e0;
            padding: 2.5rem 0 1.8rem;
            margin-top: 3rem;
            border-top: 4px solid #b4542a;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #f0d9b5;
            margin-top: 0;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #bcc9d9;
            border: none;
        }
        .site-footer a:hover {
            color: #f0d9b5;
            border: none;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            padding: 0.25rem 0;
        }
        friend-link {
            display: block;
            padding: 1rem 0 0.5rem;
            border-top: 1px solid #2a3b4c;
            margin-top: 1rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 4px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: rgba(232, 184, 122, 0.12);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a3b4c;
            margin-top: 1.2rem;
            font-size: 0.9rem;
            color: #8899aa;
        }
        .copyright strong {
            color: #c8d4e0;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a2a3f;
                padding: 1rem 0.5rem;
                border-radius: 0 0 12px 12px;
                margin-top: 0.5rem;
                gap: 0.1rem;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1rem;
                border-radius: 4px;
            }
            .header-inner {
                align-items: flex-start;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .two-col-list {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .feedback-section {
                padding: 1.5rem;
            }
            .search-box {
                padding: 1rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero {
                padding: 2rem 0 1.5rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .site-header {
                padding: 0.5rem 0;
            }
        }
        .text-muted {
            color: #5a6a7a;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .badge {
            display: inline-block;
            background: #e8b87a;
            color: #0f1a2b;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, #e8e2d8, transparent);
            margin: 2rem 0;
        }