*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff7a00;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #0b1d2e;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #ff7a00;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #0057b3;
            padding-left: 0.8rem;
            margin-top: 2.4rem;
        }
        h3 {
            font-size: 1.3rem;
            margin-top: 1.6rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 1.2rem;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .badge {
            display: inline-block;
            background: #ff7a00;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1d2e 0%, #1a3a5c 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #ff7a00;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: #ff7a00;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #ffbb77;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            color: #e0e9f5;
            padding: 0.4rem 0.9rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .nav-bar a:hover {
            background: rgba(255, 122, 0, 0.25);
            color: #fff;
            text-decoration: none;
        }
        .nav-bar a i {
            margin-right: 0.3rem;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
        }
        .nav-check {
            display: none;
        }
        .breadcrumb {
            background: #e8edf4;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d9e4;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #888;
        }
        .breadcrumb a {
            color: #0057b3;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        .main-wrap {
            padding: 1.5rem 0 2.5rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        .article-body {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 1.8rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .article-body .meta-top {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 1.2rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 0.8rem;
        }
        .article-body .meta-top i {
            margin-right: 0.3rem;
            color: #ff7a00;
        }
        .featured-img {
            border-radius: 14px;
            margin: 1.5rem 0;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.4rem 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #ff7a00;
            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 solid #f0f0f0;
        }
        .sidebar-card ul li a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .sidebar-card ul li a i {
            color: #ff7a00;
            font-size: 0.7rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 0.8rem 0 1.2rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #ff7a00;
        }
        .search-form button {
            background: #0057b3;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.3rem;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #003d7a;
        }
        .interaction-area {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e8edf4;
        }
        .comment-form,
        .rating-form {
            background: #f8faff;
            border-radius: 14px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .comment-form h3,
        .rating-form h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #ff7a00;
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 160px;
            padding: 0.6rem 1rem;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 0.9rem;
            outline: none;
        }
        .comment-form .form-row input:focus {
            border-color: #ff7a00;
        }
        .comment-form button,
        .rating-form button {
            background: #ff7a00;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.6rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.6rem;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #e06600;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 1.8rem;
            margin: 0.6rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ccc;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb400;
        }
        .site-footer {
            background: #0b1d2e;
            color: #c8d6e5;
            padding: 2rem 0 1rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #ff7a00;
            display: inline-block;
            padding-bottom: 0.3rem;
            margin-bottom: 0.8rem;
        }
        .site-footer a {
            color: #aac4e0;
        }
        .site-footer a:hover {
            color: #ffbb77;
        }
        .footer-bottom {
            border-top: 1px solid #1f3a52;
            padding-top: 1.2rem;
            margin-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #8fa5ba;
        }
        friend-link {
            display: block;
            margin-top: 0.8rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
            padding: 0.2rem 0.6rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: rgba(255, 122, 0, 0.15);
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .sidebar {
                order: 2;
            }
            .article-body {
                order: 1;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-bar {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0f2840;
                border-radius: 12px;
                padding: 0.8rem;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .nav-check:checked~.nav-bar {
                display: flex;
            }
            .header-inner {
                position: relative;
            }
            .nav-bar a {
                padding: 0.6rem 0.8rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }
        .text-muted {
            color: #777;
            font-size: 0.9rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            align-items: center;
        }
        .tag {
            background: #e8edf4;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #335;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1rem 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 0.5rem 0.8rem;
            border: 1px solid #e0e0e0;
            text-align: left;
        }
        .table-wrap th {
            background: #0b1d2e;
            color: #fff;
            font-weight: 600;
        }
        .table-wrap tr:nth-child(even) {
            background: #f8faff;
        }
        .highlight-box {
            background: #f0f6ff;
            border-left: 5px solid #ff7a00;
            padding: 1rem 1.4rem;
            border-radius: 8px;
            margin: 1.2rem 0;
        }
        .highlight-box strong {
            color: #0b1d2e;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }