* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f4f7fc;
            color: #1e2a3e;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            color: #0b6bcb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #084a8a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        header {
            background: linear-gradient(135deg, #0a1428 0%, #1a2d4a 100%);
            color: #fff;
            padding: 16px 0;
            border-bottom: 3px solid #c8aa6e;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: #f0e6d2;
            background: linear-gradient(135deg, #c8aa6e, #f0e6d2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.3s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.75rem;
            display: block;
            -webkit-text-fill-color: #a0b4c8;
            color: #a0b4c8;
            letter-spacing: 1px;
            font-weight: 400;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #f0e6d2;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: #c8d4e6;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        nav a:hover {
            background: rgba(200, 170, 110, 0.2);
            color: #f0e6d2;
            text-decoration: none;
        }
        nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e9edf4;
            padding: 12px 0;
            border-bottom: 1px solid #dce2ec;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #7a8aa0;
        }
        .breadcrumb a {
            color: #0b6bcb;
        }
        .breadcrumb .current {
            color: #4a5a72;
            font-weight: 500;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0a1428;
            margin-bottom: 8px;
            line-height: 1.2;
        }
        .article-body h1 i {
            color: #c8aa6e;
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            color: #4a5a72;
            font-size: 0.95rem;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid #dce2ec;
        }
        .meta-line i {
            margin-right: 6px;
            color: #c8aa6e;
        }
        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0a1428;
            margin-top: 48px;
            margin-bottom: 16px;
            border-left: 5px solid #c8aa6e;
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1a2d4a;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2a3d5a;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #1e2a3e;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 20px;
            padding-left: 28px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: #0a1428;
        }
        .article-body .highlight-box {
            background: #e9edf4;
            border-left: 5px solid #c8aa6e;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .article-body .highlight-box i {
            color: #c8aa6e;
            margin-right: 8px;
        }
        .article-body .stat-card {
            display: inline-block;
            background: #fff;
            border: 1px solid #dce2ec;
            border-radius: 12px;
            padding: 12px 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            margin: 4px 4px 12px 0;
        }
        .article-body .stat-card i {
            color: #c8aa6e;
            margin-right: 6px;
        }
        .article-img {
            margin: 28px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .article-img img {
            width: 100%;
            object-fit: cover;
        }
        .article-img figcaption {
            background: #e9edf4;
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #4a5a72;
            font-style: italic;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #dce2ec;
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            color: #0a1428;
            margin-bottom: 16px;
            border-bottom: 2px solid #c8aa6e;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            color: #1e2a3e;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            border-bottom: 1px solid #f0f2f6;
            font-size: 0.95rem;
        }
        .sidebar a:hover {
            color: #0b6bcb;
            text-decoration: none;
        }
        .sidebar a i {
            color: #c8aa6e;
            font-size: 0.8rem;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 40px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #dce2ec;
        }
        .search-section h2 {
            font-size: 1.6rem;
            margin-bottom: 16px;
            color: #0a1428;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border: 2px solid #dce2ec;
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: #c8aa6e;
        }
        .search-form button {
            padding: 14px 32px;
            background: #0a1428;
            color: #f0e6d2;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .search-form button:hover {
            background: #1a2d4a;
            transform: translateY(-1px);
        }
        .search-form button i {
            margin-right: 8px;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin: 40px 0;
        }
        @media(max-width:768px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .rating-box {
            background: #fff;
            border-radius: 16px;
            padding: 28px 32px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #dce2ec;
        }
        .comment-box h2,
        .rating-box h2 {
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: #0a1428;
        }
        .comment-box textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #dce2ec;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 120px;
            outline: none;
            transition: border-color 0.3s;
        }
        .comment-box textarea:focus {
            border-color: #c8aa6e;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 12px 18px;
            border: 2px solid #dce2ec;
            border-radius: 10px;
            font-size: 1rem;
            margin-top: 12px;
            outline: none;
            transition: border-color 0.3s;
        }
        .comment-box input:focus {
            border-color: #c8aa6e;
        }
        .comment-box button,
        .rating-box button {
            padding: 12px 28px;
            background: #c8aa6e;
            color: #0a1428;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            margin-top: 12px;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #b89955;
            transform: translateY(-1px);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #dce2ec;
            cursor: pointer;
            margin: 12px 0;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #c8aa6e;
            transform: scale(1.1);
        }
        .rating-value {
            font-size: 1.1rem;
            font-weight: 600;
            color: #0a1428;
            margin-left: 12px;
        }
        footer {
            background: #0a1428;
            color: #a0b4c8;
            padding: 40px 0 24px;
            border-top: 3px solid #c8aa6e;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media(max-width:768px) {
            footer .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            color: #f0e6d2;
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        footer a {
            color: #a0b4c8;
        }
        footer a:hover {
            color: #f0e6d2;
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer li {
            margin-bottom: 8px;
        }
        .friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            padding: 16px 20px;
            margin-top: 8px;
        }
        .friend-link a {
            display: inline-block;
            margin-right: 20px;
            margin-bottom: 6px;
            padding: 4px 0;
        }
        .friend-link a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #6a7a90;
        }
        .copyright strong {
            color: #a0b4c8;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                margin-top: 12px;
                background: rgba(10, 20, 40, 0.95);
                border-radius: 12px;
                padding: 12px 8px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 12px 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                position: static;
                margin-top: 32px;
            }
            .search-form button {
                width: 100%;
            }
            .header-inner {
                gap: 8px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 16px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .meta-line {
                font-size: 0.8rem;
                gap: 8px;
            }
            .comment-box,
            .rating-box,
            .search-section {
                padding: 20px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            background: #0a1428;
            color: #f0e6d2;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
            cursor: pointer;
            transition: transform 0.3s, opacity 0.3s;
            border: 2px solid #c8aa6e;
            opacity: 0.8;
            z-index: 999;
        }
        .scroll-top:hover {
            transform: translateY(-4px);
            opacity: 1;
        }
        .rating-stars i.selected {
            color: #c8aa6e;
        }