* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #d97706;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0b2a3e 0%, #1a4b6b 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fbbf24;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #f59e0b;
        }
        .my-logo i {
            margin-right: 8px;
            color: #fbbf24;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #fbbf24;
            color: #fbbf24;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(251, 191, 36, 0.15);
        }
        nav {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e2e8f0;
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
            font-size: 0.95rem;
        }
        nav a:hover {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb a:hover {
            color: #d97706;
        }
        .breadcrumb span {
            color: #64748b;
        }
        .hero {
            background: linear-gradient(145deg, #eef2f7, #ffffff);
            padding: 48px 0 40px;
            border-bottom: 1px solid #e2e8f0;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b2a3e;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: #f59e0b;
            margin-right: 12px;
        }
        .hero p {
            font-size: 1.15rem;
            color: #334155;
            max-width: 800px;
        }
        .hero .meta {
            margin-top: 16px;
            font-size: 0.9rem;
            color: #64748b;
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero .meta i {
            margin-right: 6px;
            color: #f59e0b;
        }
        .search-bar {
            background: #fff;
            padding: 24px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            border-radius: 40px;
            overflow: hidden;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
            border: 1px solid #cbd5e1;
        }
        .search-form input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            font-size: 1rem;
            outline: none;
            background: #fff;
        }
        .search-form button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 14px 28px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1a4b6b;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0b2a3e;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #fbbf24;
        }
        .article-body h2 i {
            color: #f59e0b;
            margin-right: 10px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1e293b;
            margin: 32px 0 12px;
        }
        .article-body h3 i {
            color: #f59e0b;
            margin-right: 8px;
            font-size: 1.2rem;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #334155;
            margin: 24px 0 10px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #334155;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px 24px;
            color: #334155;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: #0b2a3e;
            font-weight: 700;
        }
        .article-body .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f59e0b;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .article-body .highlight-box i {
            color: #f59e0b;
            margin-right: 8px;
        }
        .article-image {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .article-image figcaption {
            background: #f1f5f9;
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #475569;
            text-align: center;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            padding: 16px 0;
            list-style: none;
        }
        .link-list-inline li a {
            background: #eef2f7;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: all 0.2s;
            display: inline-block;
        }
        .link-list-inline li a:hover {
            background: #fbbf24;
            color: #0b2a3e;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0b2a3e;
            margin-bottom: 14px;
            border-bottom: 2px solid #fbbf24;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            border-bottom: 1px solid #f1f5f9;
            font-size: 0.95rem;
        }
        .sidebar-card ul li a i {
            color: #f59e0b;
            width: 20px;
            text-align: center;
        }
        .sidebar-card ul li a:hover {
            color: #d97706;
        }
        .feedback-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid #e2e8f0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0b2a3e;
            margin-bottom: 16px;
        }
        .feedback-card h3 i {
            color: #f59e0b;
            margin-right: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 1px solid #cbd5e1;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fafcff;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #f59e0b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .feedback-card .star-rating i.active {
            color: #f59e0b;
        }
        .feedback-card .star-rating i:hover {
            color: #fbbf24;
        }
        .feedback-card button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }
        .feedback-card button:hover {
            background: #1a4b6b;
        }
        footer {
            background: #0b2a3e;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        footer a {
            color: #fbbf24;
        }
        footer a:hover {
            color: #f59e0b;
            text-decoration: underline;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-inner h4 {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .footer-inner ul {
            list-style: none;
        }
        .footer-inner ul li {
            margin-bottom: 8px;
        }
        .footer-inner ul li a {
            color: #cbd5e1;
        }
        .footer-inner ul li a:hover {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            border-top: 1px solid #1e4b6b;
            padding-top: 20px;
            margin-top: 20px;
            font-size: 0.9rem;
            text-align: center;
            color: #94a3b8;
        }
        friend-link a {
            color: #fbbf24;
            margin: 0 8px;
        }
        friend-link a:hover {
            color: #f59e0b;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1e4b6b;
            font-size: 0.85rem;
            color: #64748b;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 6px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                width: 100%;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .search-form input {
                padding: 12px 16px;
            }
            .search-form button {
                padding: 12px 18px;
            }
            .feedback-card {
                padding: 20px;
            }
        }
        .text-gold {
            color: #f59e0b;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #f1f5f9;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #475569;
        }