*,
        *::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: #f4f7fb;
            color: #1a2634;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #1a6b8a;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #0e4b63;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0b2a3b;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            font-weight: 600;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.9rem;
            border-bottom: 3px solid #d4e2ed;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 500;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f2c3d 0%, #1b4a5f 100%);
            color: #fff;
            padding: 0.8rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5e9d8;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            transition: all 0.2s;
        }
        .my-logo:hover {
            color: #ffd966;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 1.7rem;
            color: #ffd966;
        }
        .my-logo .logo-sub {
            font-weight: 300;
            font-size: 0.8rem;
            color: #bcd3e0;
            margin-left: 0.3rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem 0.6rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e8f0f5;
            font-size: 0.92rem;
            padding: 0.4rem 0.75rem;
            border-radius: 30px;
            transition: background 0.2s, color 0.2s;
            font-weight: 500;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #ffd966;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .nav-mobile {
            display: none;
            width: 100%;
            flex-direction: column;
            background: #0f2c3d;
            border-radius: 0 0 16px 16px;
            padding: 0.6rem 0 1rem 0;
            margin-top: 0.4rem;
        }
        .nav-mobile a {
            color: #e8f0f5;
            padding: 0.6rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 1rem;
        }
        .nav-mobile a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffd966;
        }
        .breadcrumb {
            background: #eaf0f5;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d4e2ed;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #6f8a9c;
        }
        .breadcrumb a {
            color: #1a6b8a;
        }
        .breadcrumb .current {
            color: #3b5e72;
            font-weight: 500;
        }
        .main-content {
            flex: 1;
            padding: 2.2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.2rem;
        }
        .content-body {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
        }
        .content-body .hero-img {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.10);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            padding: 1.5rem 1.2rem;
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #d4e2ed;
            padding-bottom: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #edf2f6;
        }
        .sidebar-card li a {
            font-weight: 500;
        }
        .search-box {
            display: flex;
            gap: 0.4rem;
            margin: 1.2rem 0 2rem;
            flex-wrap: wrap;
        }
        .search-box input {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1.2rem;
            border: 2px solid #d4e2ed;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-box input:focus {
            border-color: #1a6b8a;
        }
        .search-box button {
            padding: 0.7rem 1.8rem;
            background: #1a6b8a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-box button:hover {
            background: #0e4b63;
            transform: scale(1.02);
        }
        .comment-section,
        .rating-section {
            background: #f8fafc;
            padding: 1.8rem 1.8rem 2rem;
            border-radius: 18px;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #e4eef5;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #d4e2ed;
            border-radius: 14px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #1a6b8a;
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-top: 0.6rem;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 160px;
            padding: 0.65rem 1rem;
            border: 2px solid #d4e2ed;
            border-radius: 40px;
            font-size: 0.95rem;
        }
        .comment-form .form-row input:focus {
            border-color: #1a6b8a;
            outline: none;
        }
        .comment-form button {
            padding: 0.65rem 2rem;
            background: #1a6b8a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: #0e4b63;
        }
        .rating-stars {
            display: flex;
            gap: 0.6rem;
            font-size: 2rem;
            color: #d4dce4;
            cursor: pointer;
            margin: 0.6rem 0 1rem;
        }
        .rating-stars i {
            transition: color 0.15s, transform 0.1s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f5b342;
            transform: scale(1.1);
        }
        .rating-section button {
            padding: 0.6rem 2rem;
            background: #1a6b8a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-section button:hover {
            background: #0e4b63;
        }
        .site-footer {
            background: #0f2c3d;
            color: #cfdfe9;
            padding: 2.2rem 0 1.8rem;
            margin-top: 2.5rem;
            border-top: 4px solid #1b4a5f;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f5e9d8;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #bcd3e0;
        }
        .footer-inner a:hover {
            color: #ffd966;
        }
        friend-link {
            display: block;
            padding: 0.6rem 0 0.2rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 30px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.14);
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.4rem;
            margin-top: 1.2rem;
            text-align: center;
            font-size: 0.9rem;
            color: #9ab3c3;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
            }
            .nav-mobile.open {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .content-body {
                padding: 1.2rem 1rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box button {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            .my-logo .logo-sub {
                font-size: 0.65rem;
            }
            .content-body {
                padding: 0.8rem 0.8rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }
        .text-muted {
            color: #5a7283;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .gap-1 {
            gap: 0.6rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }
        .badge {
            display: inline-block;
            background: #d4e2ed;
            padding: 0.1rem 0.8rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #0f2c3d;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #5a7283;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 1.2rem;
        }
        .last-updated i {
            color: #1a6b8a;
        }
        blockquote {
            border-left: 4px solid #1a6b8a;
            padding: 0.6rem 1.2rem;
            margin: 1.2rem 0;
            background: #f0f6fa;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #1f3a4a;
        }
        .highlight-box {
            background: #e8f3f9;
            padding: 1.2rem 1.6rem;
            border-radius: 16px;
            margin: 1.4rem 0;
            border-left: 6px solid #1a6b8a;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th,
        table td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #d4e2ed;
            text-align: left;
        }
        table th {
            background: #eaf0f5;
            font-weight: 600;
        }