*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f8f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #1a6b3c;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0d4d2b;
            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, #0d1b2a 0%, #1b2838 100%);
            color: #fff;
            padding: 16px 0;
            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: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f5c842;
            text-shadow: 0 2px 8px rgba(245, 200, 66, 0.25);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f5c842;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e7ef;
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f5c842;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #eef1f5;
            padding: 12px 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #dce2ea;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #6b7a8a;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #1a6b3c;
        }
        .breadcrumb .current {
            color: #4a5a6a;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #0d1b2a, #1e3a5f);
            color: #fff;
            padding: 48px 0 40px;
            text-align: center;
            border-bottom: 4px solid #f5c842;
        }
        .hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero h1 i {
            color: #f5c842;
            margin-right: 10px;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 780px;
            margin: 0 auto 12px;
            color: #cbd8e8;
        }
        .hero .badge {
            display: inline-block;
            background: #f5c842;
            color: #0d1b2a;
            padding: 6px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 8px;
        }
        .hero .badge i {
            margin-right: 6px;
        }
        .search-section {
            background: #fff;
            padding: 28px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #dce2ea;
        }
        .search-form input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            font-size: 1rem;
            outline: none;
            background: #fafbfc;
        }
        .search-form button {
            background: #1a6b3c;
            color: #fff;
            border: none;
            padding: 14px 28px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #0d4d2b;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body h2 {
            font-size: 1.8rem;
            margin-top: 44px;
            margin-bottom: 18px;
            color: #0d1b2a;
            border-left: 5px solid #f5c842;
            padding-left: 16px;
        }
        .article-body h2 i {
            color: #1a6b3c;
            margin-right: 10px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            margin-top: 32px;
            margin-bottom: 14px;
            color: #1e3a5f;
        }
        .article-body h3 i {
            margin-right: 8px;
            color: #f5c842;
        }
        .article-body h4 {
            font-size: 1.15rem;
            margin-top: 24px;
            margin-bottom: 10px;
            color: #2a4a6a;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.02rem;
            color: #2c3e50;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .article-body .highlight-box {
            background: #f0f7f4;
            border-left: 5px solid #1a6b3c;
            padding: 20px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .article-body .highlight-box strong {
            color: #0d4d2b;
        }
        .article-body .emoji-big {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .article-body .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .article-body table th {
            background: #0d1b2a;
            color: #f5c842;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid #e8edf2;
        }
        .article-body table tr:last-child td {
            border-bottom: none;
        }
        .article-body table tr:hover td {
            background: #f4f8fc;
        }
        .article-body .image-wrapper {
            margin: 32px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .article-body .image-wrapper figcaption {
            background: #f1f5f9;
            padding: 12px 18px;
            font-size: 0.9rem;
            color: #4a5a6a;
            text-align: center;
            font-style: italic;
        }
        .sidebar {
            background: #fff;
            border-radius: 14px;
            padding: 24px 22px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf2;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: #0d1b2a;
            border-bottom: 2px solid #f5c842;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 8px;
            background: #f8f9fc;
            transition: background 0.2s, transform 0.15s;
            font-size: 0.95rem;
        }
        .sidebar a:hover {
            background: #e8f0ea;
            transform: translateX(4px);
            text-decoration: none;
        }
        .sidebar a i {
            color: #1a6b3c;
            width: 20px;
            text-align: center;
        }
        .rating-section {
            background: #fff;
            border-radius: 14px;
            padding: 24px 22px;
            margin-top: 28px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf2;
        }
        .rating-section h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            color: #0d1b2a;
        }
        .stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #dce2ea;
            cursor: pointer;
            margin: 10px 0 14px;
        }
        .stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .stars i:hover,
        .stars i.active {
            color: #f5c842;
            transform: scale(1.1);
        }
        .rating-section .score-btn {
            background: #1a6b3c;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-section .score-btn:hover {
            background: #0d4d2b;
        }
        .rating-section .score-msg {
            margin-top: 10px;
            font-size: 0.95rem;
            color: #1a6b3c;
        }
        .comments-section {
            background: #fff;
            border-radius: 14px;
            padding: 28px 24px;
            margin-top: 40px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf2;
        }
        .comments-section h2 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: #0d1b2a;
            border-left: 5px solid #f5c842;
            padding-left: 16px;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 24px;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 12px 16px;
            border: 1px solid #dce2ea;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            background: #fafbfc;
            transition: border 0.2s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #1a6b3c;
            outline: none;
            background: #fff;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form .comment-btn {
            align-self: flex-start;
            background: #1a6b3c;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
        }
        .comment-form .comment-btn:hover {
            background: #0d4d2b;
        }
        .comment-list {
            margin-top: 20px;
        }
        .comment-item {
            padding: 16px 0;
            border-bottom: 1px solid #eef1f5;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-item .author {
            font-weight: 600;
            color: #0d1b2a;
        }
        .comment-item .date {
            font-size: 0.85rem;
            color: #6b7a8a;
            margin-left: 12px;
        }
        .comment-item .text {
            margin-top: 6px;
            color: #2c3e50;
        }
        .site-footer {
            background: #0d1b2a;
            color: #cbd8e8;
            padding: 36px 0 24px;
            margin-top: 40px;
            border-top: 4px solid #f5c842;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        .site-footer h4 {
            color: #f5c842;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .site-footer a {
            color: #a0b8d0;
        }
        .site-footer a:hover {
            color: #f5c842;
        }
        .site-footer .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1e3a5f;
            margin-top: 20px;
            font-size: 0.9rem;
            color: #7a8a9a;
        }
        .site-footer .copyright strong {
            color: #cbd8e8;
        }
        friend-link {
            display: block;
            margin-top: 12px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 8px 4px 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: rgba(245, 200, 66, 0.15);
            text-decoration: none;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 32px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 6px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-form input {
                border-radius: 12px 12px 0 0;
            }
            .search-form button {
                border-radius: 0 0 12px 12px;
                justify-content: center;
            }
            .stars {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .article-body p {
                font-size: 0.98rem;
            }
            .comments-section {
                padding: 18px 14px;
            }
            .rating-section {
                padding: 18px 14px;
            }
            .sidebar {
                padding: 18px 14px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #1a6b3c;
            color: #fff;
            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, 0.2);
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            border: none;
            z-index: 900;
        }
        .scroll-top:hover {
            background: #0d4d2b;
            transform: translateY(-3px);
        }
        @media (max-width: 480px) {
            .scroll-top {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                bottom: 20px;
                right: 20px;
            }
        }
        .text-small {
            font-size: 0.9rem;
            color: #6b7a8a;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }