* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            background: #f4f6fb;
            color: #1e1e2a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #8b6b0a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1a3a 0%, #1a2a6c 60%, #2a3f8a 100%);
            padding: 16px 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: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5d76e, #b8860b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #f5d76e;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 215, 0, 0.6);
            color: #f5d76e;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.12);
        }
        .nav-menu {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e8eef7;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            background: rgba(255, 215, 0, 0.15);
            color: #f5d76e;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e9ecf5;
            padding: 10px 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #d6dceb;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
        }
        .breadcrumb li+li::before {
            content: "▶";
            margin-right: 10px;
            color: #b8860b;
            font-size: 0.7rem;
        }
        .breadcrumb a {
            color: #1a2a6c;
        }
        .breadcrumb .current {
            color: #6b7a9a;
            font-weight: 500;
        }
        main {
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
               }
        .article-body h1 {
            font-size: 2.4rem;
            line-height: 1.2;
            color: #0f1a3a;
            margin-bottom: 8px;
        }
        .article-body .meta-line {
            color: #5a6a8a;
            font-size: 0.92rem;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .article-body .meta-line i {
            margin-right: 4px;
            color: #b8860b;
        }
        .article-body h2 {
            font-size: 1.7rem;
            color: #1a2a6c;
            margin: 36px 0 14px;
            border-left: 5px solid #b8860b;
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.3rem;
            color: #24387a;
            margin: 28px 0 10px;
        }
        .article-body h4 {
            font-size: 1.1rem;
            color: #2f4488;
            margin: 22px 0 8px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 16px;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 18px 24px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body .highlight-box {
            background: linear-gradient(135deg, #fdf6e3, #fef9ef);
            border-left: 5px solid #b8860b;
            padding: 18px 22px;
            border-radius: 8px;
            margin: 24px 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .article-body .highlight-box strong {
            color: #1a2a6c;
        }
        .article-body .code-block {
            background: #0f1a3a;
            color: #e8eef7;
            padding: 14px 18px;
            border-radius: 10px;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            overflow-x: auto;
            margin: 16px 0 22px;
            border: 1px solid #2a3f8a;
        }
        .featured-image-wrap {
            margin: 30px 0 20px;
        }
        .featured-image-wrap figure {
            position: relative;
        }
        .featured-image-wrap figcaption {
            font-size: 0.85rem;
            color: #5a6a8a;
            margin-top: 8px;
            text-align: center;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 20px 22px;
            margin-bottom: 24px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8ecf5;
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            color: #1a2a6c;
            margin-bottom: 12px;
            border-bottom: 2px solid #f0d89a;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 8px;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            font-size: 0.95rem;
        }
        .sidebar-card li a i {
            color: #b8860b;
            font-size: 0.8rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 6px 0 4px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid #d6dceb;
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #b8860b;
        }
        .search-form button {
            padding: 10px 18px;
            background: #1a2a6c;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: #2a3f8a;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 40px 0 20px;
        }
        .comment-box,
        .score-box {
            background: #fff;
            border-radius: 14px;
            padding: 22px 26px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8ecf5;
        }
        .comment-box h3,
        .score-box h3 {
            font-size: 1.2rem;
            color: #1a2a6c;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-box textarea {
            width: 100%;
            min-height: 100px;
            padding: 12px 14px;
            border: 2px solid #d6dceb;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            resize: vertical;
            outline: none;
            transition: border 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #b8860b;
        }
        .comment-box .form-footer {
            display: flex;
            gap: 10px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .comment-box input {
            flex: 1;
            min-width: 140px;
            padding: 10px 14px;
            border: 2px solid #d6dceb;
            border-radius: 8px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.2s;
        }
        .comment-box input:focus {
            border-color: #b8860b;
        }
        .btn-primary {
            padding: 10px 24px;
            background: #1a2a6c;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #2a3f8a;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-gold {
            background: #b8860b;
        }
        .btn-gold:hover {
            background: #a0750a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d6dceb;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5c542;
        }
        .score-display {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a2a6c;
            margin-top: 6px;
        }
        .site-footer {
            background: #0f1a3a;
            color: #c8d0e0;
            padding: 40px 0 20px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 28px;
        }
        .site-footer h4 {
            color: #f5d76e;
            font-size: 1.05rem;
            margin-bottom: 12px;
        }
        .site-footer a {
            color: #b0bedd;
        }
        .site-footer a:hover {
            color: #f5d76e;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 10px;
            padding: 16px 18px;
            margin: 12px 0;
            font-size: 0.92rem;
            border: 1px solid rgba(255, 215, 0, 0.12);
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            font-size: 0.85rem;
            text-align: center;
            color: #8899bb;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(15, 26, 58, 0.95);
                padding: 16px 12px;
                border-radius: 12px;
                margin-top: 8px;
                border: 1px solid rgba(255, 215, 0, 0.15);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 12px;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-menu a:last-child {
                border-bottom: none;
            }
            .article-body h1 {
                font-size: 1.7rem;
            }
            .article-body h2 {
                font-size: 1.35rem;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .header-inner {
                gap: 6px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .article-body h1 {
                font-size: 1.4rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form input {
                min-width: 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .comment-box .form-footer {
                flex-direction: column;
            }
            .comment-box input {
                min-width: 100%;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .badge-new {
            background: #e74c3c;
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }