*,
        *::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: 1.8;
            padding: 0 1rem;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e67e22;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0a2432;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #e67e22;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #dde7f0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1b4a6b;
        }
        h4 {
            font-size: 1.2rem;
            color: #2c5f7e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0a2432, #123b4e);
            color: #fff;
            padding: 1rem 0;
            border-radius: 0 0 20px 20px;
            margin-bottom: 1.8rem;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f8c291;
            letter-spacing: 1px;
            background: rgba(255, 255, 255, 0.06);
            padding: 0.3rem 1rem;
            border-radius: 40px;
            border: 2px solid #f8c29144;
            transition: 0.3s;
        }
        .my-logo:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #f8c291;
        }
        .my-logo i {
            color: #e67e22;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f8c29188;
            color: #f8c291;
            font-size: 1.6rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #f8c29122;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2eef9;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: #e67e22;
            color: #fff;
            transform: translateY(-1px);
        }
        .main-nav a i {
            margin-right: 6px;
        }
        .breadcrumb {
            max-width: 1200px;
            margin: 0 auto 1.2rem auto;
            padding: 0.5rem 1.2rem;
            background: #ffffffcc;
            backdrop-filter: blur(4px);
            border-radius: 40px;
            font-size: 0.9rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb a {
            color: #0f3b5e;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .breadcrumb span.sep {
            color: #94a3b8;
            margin: 0 0.3rem;
        }
        .breadcrumb .current {
            color: #64748b;
            font-weight: 400;
        }
        .search-wrap {
            max-width: 1200px;
            margin: 0 auto 1.8rem auto;
            padding: 0 1.2rem;
        }
        .search-form {
            display: flex;
            background: #fff;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            border: 1px solid #dde7f0;
            transition: 0.3s;
        }
        .search-form:focus-within {
            border-color: #e67e22;
            box-shadow: 0 4px 20px rgba(230, 126, 34, 0.15);
        }
        .search-form input[type="text"] {
            flex: 1;
            border: none;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            background: transparent;
            outline: none;
            color: #1e293b;
        }
        .search-form button {
            background: #0a2432;
            border: none;
            color: #fff;
            padding: 0 1.8rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.25s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #e67e22;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto 2rem auto;
            padding: 0 1.2rem;
        }
        .main-article {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 20px;
            padding: 1.6rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-left: 4px solid #e67e22;
            padding-left: 0.8rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .sidebar-card ul li a i {
            color: #e67e22;
            width: 20px;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            background: #f1f5f9;
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            color: #475569;
            text-align: center;
        }
        .rating-area,
        .comment-area {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.5rem;
            margin: 2rem 0 1.2rem 0;
            border: 1px solid #e2e8f0;
        }
        .rating-area h3,
        .comment-area h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .star-group {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #cbd5e1;
            cursor: pointer;
            margin: 0.6rem 0 1rem 0;
        }
        .star-group i {
            transition: 0.15s;
        }
        .star-group i.active {
            color: #f59e0b;
        }
        .star-group i:hover {
            color: #f59e0b;
            transform: scale(1.2);
        }
        .rating-form select,
        .rating-form button,
        .comment-form textarea,
        .comment-form input,
        .comment-form button {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 1px solid #d1d9e6;
            font-size: 1rem;
            margin-bottom: 0.8rem;
            font-family: inherit;
            transition: 0.2s;
        }
        .rating-form select:focus,
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #e67e22;
            outline: none;
            box-shadow: 0 0 0 3px #e67e2233;
        }
        .rating-form button,
        .comment-form button {
            background: #0a2432;
            color: #fff;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #e67e22;
            transform: translateY(-2px);
        }
        friend-link {
            display: block;
            max-width: 1200px;
            margin: 2rem auto 1rem auto;
            padding: 1.5rem 2rem;
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-left: 4px solid #e67e22;
            padding-left: 0.8rem;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
            padding-top: 0.8rem;
        }
        friend-link .friend-list a {
            color: #0f3b5e;
            font-weight: 500;
            padding: 0.2rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        friend-link .friend-list a:hover {
            border-bottom-color: #e67e22;
            color: #e67e22;
        }
        .site-footer {
            background: #0a2432;
            color: #cbd5e1;
            padding: 2.2rem 1.2rem;
            border-radius: 20px 20px 0 0;
            max-width: 1200px;
            margin: 1.5rem auto 0 auto;
            text-align: center;
        }
        .site-footer p {
            margin-bottom: 0.4rem;
            font-size: 0.95rem;
        }
        .site-footer a {
            color: #f8c291;
        }
        .site-footer a:hover {
            color: #e67e22;
        }
        .site-footer .copyright {
            border-top: 1px solid #1e4a5e;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            font-size: 0.85rem;
            color: #94a3b8;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 0.6rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                padding: 0 0.8rem;
            }
            .my-logo {
                font-size: 1.3rem;
                padding: 0.2rem 0.8rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f3448;
                padding: 1rem 0.5rem;
                border-radius: 16px;
                margin-top: 0.8rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
                width: 100%;
            }
            .nav-toggle {
                display: inline-block;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.4rem 0.8rem;
            }
            .main-article {
                padding: 1.2rem 1rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .search-form input[type="text"] {
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
            }
            .search-form button {
                padding: 0 1rem;
                font-size: 0.95rem;
            }
            friend-link {
                padding: 1rem 1.2rem;
            }
            friend-link .friend-list {
                flex-direction: column;
                gap: 0.4rem;
            }
            .star-group {
                font-size: 1.5rem;
            }
            .rating-area,
            .comment-area {
                padding: 1rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .content-grid {
                padding: 0 0.4rem;
            }
            .main-article {
                padding: 0.8rem 0.8rem;
            }
            .site-footer {
                padding: 1.5rem 0.8rem;
            }
        }
        .update-badge {
            display: inline-block;
            background: #dbeafe;
            color: #1e3a5f;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .update-badge i {
            margin-right: 6px;
            color: #e67e22;
        }
        .highlight-box {
            background: #fef9ef;
            border-left: 5px solid #e67e22;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #0a2432;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 4px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #f8fafc;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #0a2432;
            color: #fff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .pro-tip {
            background: #e6f7ed;
            border-radius: 12px;
            padding: 1rem 1.4rem;
            margin: 1.2rem 0;
            border: 1px solid #b7e0c8;
        }
        .pro-tip i {
            color: #0d7a3f;
            margin-right: 8px;
        }
        blockquote {
            border-left: 4px solid #e67e22;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            background: #f1f5f9;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #334155;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
            padding: 0.6rem 0;
        }
        .link-list-inline a {
            font-weight: 600;
            color: #0f3b5e;
        }
        .link-list-inline a:hover {
            color: #e67e22;
        }