*,
        *::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: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #d97706;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0b2a3b;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #d97706;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #d97706;
            padding-left: 0.75rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        header {
            background: linear-gradient(135deg, #0b2a3b 0%, #1a4b5e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fbbf24;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            letter-spacing: -0.5px;
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #fcd34d;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #fbbf24;
        }
        .my-logo span {
            font-weight: 300;
            color: #e2e8f0;
            font-size: 1rem;
            margin-left: 0.3rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-links li a {
            color: #e2e8f0;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .nav-links li a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fbbf24;
        }
        .nav-links li a i {
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            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: #e9f0f5;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d1d9e0;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb a:hover {
            color: #d97706;
        }
        .breadcrumb span {
            color: #64748b;
        }
        .breadcrumb .sep {
            margin: 0 0.2rem;
            color: #94a3b8;
        }
        main {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 20px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.4rem 1.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9edf2;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #d97706;
            padding-bottom: 0.4rem;
            margin-bottom: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px dashed #e2e8f0;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.92rem;
        }
        .sidebar-card ul li a i {
            color: #d97706;
            width: 1rem;
            text-align: center;
        }
        .search-box {
            display: flex;
            border: 2px solid #d1d9e0;
            border-radius: 40px;
            overflow: hidden;
            transition: border-color 0.25s;
            background: #fff;
        }
        .search-box:focus-within {
            border-color: #d97706;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.7rem 1.2rem;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            background: #d97706;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #b85d00;
        }
        .comment-area,
        .rating-area {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e9edf2;
        }
        .comment-area h3,
        .rating-area h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-form,
        .rating-form {
            display: grid;
            gap: 1rem;
            margin-top: 0.8rem;
        }
        .comment-form input,
        .comment-form textarea,
        .rating-form select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1.5px solid #d1d9e0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafcff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form select:focus {
            border-color: #d97706;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #0b2a3b;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            width: fit-content;
        }
        .btn:hover {
            background: #d97706;
            transform: translateY(-2px);
        }
        .btn i {
            font-size: 0.9rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #fbbf24;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #64748b;
            background: #f1f5f9;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            width: fit-content;
            margin-bottom: 1.2rem;
        }
        .last-updated i {
            color: #d97706;
        }
        .featured-img {
            margin: 1.5rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-img img {
            width: 100%;
            object-fit: cover;
        }
        .featured-img figcaption {
            background: #f1f5f9;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            color: #475569;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        footer {
            background: #0b2a3b;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        footer h4 {
            color: #fbbf24;
            margin-top: 0;
            font-size: 1.1rem;
        }
        footer a {
            color: #94a3b8;
        }
        footer a:hover {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
            padding: 0.2rem 0;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #1e4a5e;
            padding-top: 1.2rem;
            margin-top: 1rem;
            text-align: center;
            font-size: 0.85rem;
            color: #94a3b8;
        }
        .copyright strong {
            color: #fbbf24;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b2a3b;
                padding: 1rem 0 0.8rem;
                border-top: 1px solid #1e4a5e;
                margin-top: 0.6rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 0.6rem 1.2rem;
                border-radius: 0;
            }
            header .container {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo span {
                font-size: 0.8rem;
            }
            .content-body {
                padding: 1.2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .content-body {
                padding: 0.8rem;
            }
            .search-box input {
                padding: 0.5rem 0.8rem;
                font-size: 0.85rem;
            }
            .search-box button {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
        }
        .highlight {
            background: #fef9e7;
            border-left: 4px solid #d97706;
            padding: 0.8rem 1.2rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .emoji-big {
            font-size: 1.4rem;
            display: inline-block;
            margin-right: 0.2rem;
        }
        .tag {
            display: inline-block;
            background: #e9f0f5;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #0f3b5e;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            margin: 0.8rem 0;
        }
        .link-list-inline a {
            font-size: 0.9rem;
            background: #f1f5f9;
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            border: 1px solid #e2e8f0;
        }
        .link-list-inline a:hover {
            background: #d97706;
            color: #fff;
            border-color: #d97706;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        table th {
            background: #0b2a3b;
            color: #fff;
            padding: 0.6rem 0.8rem;
            text-align: left;
        }
        table td {
            padding: 0.5rem 0.8rem;
            border-bottom: 1px solid #e2e8f0;
        }
        table tr:hover td {
            background: #f8fafc;
        }
        .pro-tip {
            background: #e6f7ee;
            border-radius: 12px;
            padding: 1rem 1.2rem;
            margin: 1rem 0;
            border-left: 5px solid #10b981;
        }
        .pro-tip i {
            color: #10b981;
            margin-right: 0.5rem;
        }